JP5590708B2 - Sash component fixing back plate, sash component mounting structure and sash component mounting method - Google Patents

Description

  The present invention relates to a sash component fixing back plate, a sash component mounting structure, and a sash component mounting method for retrofitting a sash component to a vertical sash of a window sash.

  In general, when a sash part is retrofitted to a vertical sash of a window sash, a back plate is attached to reinforce the vertical ridge which is an attachment base. As an example, a mounting structure in which a sash component and a back plate are arranged so as to sandwich a vertical gutter from inside and outside, and the sash component, the vertical gutter and the back plate are fastened with bolts has been conventionally known (for example, Non-Patent Document 1).

Tostem Corporation, web catalog, [online], [March 10, 2010 search], Internet [URL: http://cextension.jp/tostem/TA6500/1083.pdf]

  However, the conventional sash component mounting structure described above has a problem that the appearance of the window sash is impaired because the back plate is exposed on the outer surface of the window sash.

  The present invention has been made in view of the above circumstances, and provides a sash component fixing back plate, a sash component mounting structure, and a sash component mounting method capable of retrofitting a sash component to a window sash without impairing its appearance. With the goal.

  In order to achieve the above object, a sash component fixing back plate according to the first aspect of the present invention is a sash component fixing back plate that is retrofitted on the inside of a vertical sash for retrofitting the sash component on the outer surface of the vertical sash of the window sash. It is a plate, has a band plate shape to be inserted obliquely from above or obliquely downward into a back plate insertion hole formed through the attachment surface of the sash part of the vertical rod, and from one end to the other end in the longitudinal direction A plurality of screw holes including a first screw hole, a second screw hole, and a third screw hole are formed side by side in order toward the portion, and the first screw hole is inserted into the vertical shaft from the back plate insertion hole. A holding bolt for holding the sash component fixing back plate, which is entirely inserted into the sash from the outside of the vertical rod, is screwed together, and one of the second and third screw holes has a vertical screw. Before installing the sash part through the screw insertion hole formed in the heel, sash A back plate fixing bolt for fixing the product fixing back plate to the vertical shaft is screwed together, and the other screw hole of the second and third screw holes is inserted into the sash component, the vertical rod and the sash component fixed back surface. The sash component fixing bolt for fastening the plate together is characterized by being configured to be screwed together.

  According to a second aspect of the present invention, in the sash component fixing back plate according to the first aspect, the plurality of screw holes are arranged on the opposite side of the second screw hole across the third screw hole. It is composed of first to fourth screw holes including holes, the back plate fixing bolts are screwed into the second and fourth screw holes, and the sash component fixing bolts are screwed into the third screw holes. It is characterized by being configured as described above.

  The invention of claim 3 is the sash component fixing back plate according to claim 2, wherein the sash component fixing back plate has a circular arc concentric with the third screw hole at an intermediate portion in the longitudinal direction of the sash component fixing back plate. This is characterized in that arc-shaped protrusions are formed in which both side edges of the protrusion protrude sideways.

  The invention of claim 4 is characterized in that, in the sash component fixing back plate according to claim 2 or 3, the first, second and fourth screw holes are screw holes having the same diameter and the same pitch.

  The sash component mounting structure according to the invention of claim 5 is a sash component mounting structure for mounting a sash component on a vertical sash of a window sash and an outer surface thereof, and is located on the back side of the mounting surface of the sash component in the vertical sash. The inner surface of the vertical hook has a band plate shape that can be inserted from diagonally upward or diagonally downward with respect to the back plate insertion hole formed through the mounting surface of the sash part of the vertical hook, and has one end in the longitudinal direction thereof. A sash component fixing back plate formed by arranging a plurality of screw holes including a first screw hole, a second screw hole, and a third screw hole in order from the first part to the other end part; One of the third screw holes has a back plate fixing bolt for fixing the sash component fixing back plate to the vertical rod before attaching the sash component through a screw insertion hole formed through the vertical rod. Of the second and third screw holes. The other screw hole is screwed with a sash component fixing bolt for fastening the sash component, the vertical shaft and the sash component fixing back plate together. The first screw hole has a vertical plate extending from the back plate insertion hole. It is characterized in that a holding bolt for holding the sash component fixing back plate inserted into the inside from the outside of the vertical shaft can be screwed.

  According to a sixth aspect of the present invention, in the sash component mounting structure according to the fifth aspect, two sash component fixing back plates are arranged side by side with respect to one sash component, and on the mounting surface of the sash component in the vertical cage. It is characterized in that a pair of back plate insertion holes are arranged at the center in the vertical direction, and screw insertion holes are arranged symmetrically on the side away from the center.

[Invention of Claim 1]
When the sash component fixing back plate according to claim 1 is used to retrofit the sash component to the vertical sash of the window sash, the first screw hole formed at one end in the longitudinal direction of the sash component fixing back plate is used. Screw the holding bolt, hold the holding bolt, insert the sash component fixed back plate diagonally upward or diagonally downward into the back plate insertion hole penetrating the vertical rod, and the entire sash component fixed back plate Is kept inserted in the downpipe. In this state, the back plate fixing bolt passed through the vertical screw insertion hole is screwed into one of the second or third screw holes formed in the sash component fixing back plate, thereby allowing the sash component fixing back. The plate is fixed inside the vertical shaft, and the sash component fixing bolt is screwed into the other of the second or third screw holes from the outside of the vertical shaft, so that the sash component, vertical shaft and sash component fixed back plate Tighten together. As described above, according to the present invention, the sash component fixing back plate is disposed inside the vertical gutter, so that the sash component can be retrofitted to the window sash without impairing the appearance.

[Invention of claim 2]
According to the invention of claim 2, since the back plate fixing bolt is screwed into the two screw holes, that is, the second and fourth screw holes, the mounting strength of the sash component fixing back plate is improved.

[Invention of claim 3]
According to invention of Claim 3, the intensity | strength of the side part of a 3rd screw hole is securable among sash component fixed backplates.

[Invention of claim 4]
According to the invention of claim 4, the back plate fixing bolt can be used as the holding bolt. Specifically, for example, the back plate fixing bolt as a holding bolt screwed into the first screw hole is gripped, and the sash component fixing back plate is inserted into the vertical shaft from the back plate insertion hole, In this state, another back plate fixing bolt is screwed into one of the second or fourth screw holes and temporarily fixed. Then, the back plate fixing bolt as a holding bolt is removed from the first screw hole and screwed into the other of the second or fourth screw hole, so that the sash component fixing back plate is placed inside the vertical shaft. Fix it. That is, it is not necessary to prepare a holding bolt separately from the back plate fixing bolt.

[Invention of claim 5]
When a sash component is retrofitted by the sash component mounting structure according to claim 5, a holding bolt is screwed into a first screw hole formed at one end in the longitudinal direction of the sash component fixing back plate, and the holding bolt. The sash component fixed back plate is inserted obliquely upward or obliquely downward into the back plate insertion hole penetrating the attachment surface of the sash component in the vertical cage, and is held in a state of being superimposed on the inner surface of the vertical rod. In that state, the back plate fixing bolt is passed through the screw insertion hole formed in the vertical shaft and screwed into one of the second or third screw holes formed in the sash component fixing back plate, and the sash component fixing back plate is attached. Secure inside the downspout. Further, a sash component fixing bolt is screwed into the other of the second or third screw holes, and the sash component, the vertical rod and the sash component fixing back plate are fastened together. As described above, according to the present invention, the sash component fixing back plate is disposed inside the vertical gutter, so that the sash component can be retrofitted to the window sash without impairing the appearance.

[Invention of claim 6]
According to the sixth aspect of the present invention, it is possible to flexibly cope with the attachment of various sash components by changing the attachment interval between the two sash component fixing back plates.

The front view of the window sash which retrofitted the assist handle apparatus using the sash component fixed backplate concerning one embodiment of the present invention. Perspective view of door toe with retrofitted assist handle device Front view of assist handle device when opening Side cross-sectional view of the door toe and the sash component fixed back plate to which the assist handle device is retrofitted (A) Front view, (B) Side cross-sectional view of sash component fixed back plate Perspective view of door toe with back plate insertion hole, back plate fixing insertion hole, and component fixing insertion hole drilled (A) Side cross-sectional view of door toe in the process of inserting sash component fixed back plate into back plate insertion hole, (B) Side cross section of door toe in a state where sash component fixed back plate is overlapped on the inner surface of the door tip Figure, (C) Side cross-sectional view of door toe in the process of fixing sash component fixing back plate to door toe, (D) Side cross-sectional view of door toe in a state where assist handle device is fixed (A) And (B) Side sectional view of door toe with sash part mounting structure of reference example Flat cross section of door toe with sash component mounting structure (A) and (B) Top view and sectional view of a sash component fixing back plate according to a reference example Side sectional view of door toe for explaining sash component mounting method according to reference example Side sectional view of door toe for explaining sash component mounting method according to reference example

  Hereinafter, an embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, a pair of window sashes 11 and 11 are fitted inside a sash frame 10 formed on the wall of a building. The pair of window sashes 11, 11 are so-called “drag-type” window sashes that can slide in the horizontal direction inside the sash frame 10. For example, the glass plate 12 is placed inside the rectangular frame-shaped ridge 20. Has a stretched structure. The rod 20 is made of aluminum or resin, and includes a pair of vertical rods 21 and 22 extending in the vertical direction, an upper rod 23 connecting the upper ends of the pair of vertical rods 21 and 22, and a pair of vertical rods. It is comprised with the lower collar 24 which connected between the lower ends of the collars 21 and 22. FIG. These vertical rods 21 and 22, the upper rod 23 and the lower rod 24 hold the four sides of the glass plate 12.

  Of the rod 20, the pair of vertical rods 21, 22 has a hollow rectangular tube structure. Of the pair of vertical sashes 21 and 22, the vertical sashes 21 and 21 (hereinafter referred to as "doors") of the two window sashes 11 and 11 that serve as a summing unit when the window sash 11 and 11 are closed and the sash frame 10 is closed. A locking device 13 (for example, a crescent lock) that makes the pair of window sashes 11 and 11 immovable at the closed position is attached to the bottom ridges 21 and 21 ”.

  As shown in FIG. 2, of the window sash 11, the front end surface of a vertical rod 22 (hereinafter referred to as "door-end rod 22") that is joined to the inner surface 10A of the sash frame 10 when the window sash 11 is closed. From 22S, a pair of projecting walls 22T and 22T project toward the inner surface 10A of the sash frame 10. A vertical groove (not shown) is formed in the inner surface 10A of the sash frame 10, and when the window sash 11 is closed, the sash protruding walls 22T and 22T enter the vertical groove.

  By the way, in the standard specification window sashes 11, 11, the entire door toe tub 22 is a handle portion, and the window sash 11 is slid horizontally by placing a hand on the front end surface 22 </ b> S of the door toe ridge 22. , 11 can be opened. However, this operation may be difficult for a weak child or an elderly person, and there is a desire to be able to open with a lighter operation force. In order to meet such a demand, the assist handle device 14 (corresponding to the “sash part” of the present invention) capable of reducing the initial motion resistance of the window sash 11 during the opening operation is provided with the window sash 11, 11. It is prepared as a separate part, and can be retrofitted to the door sashes 22 and 22 of the window sashes 11 and 11.

  As shown in FIG. 1, the assist handle device 14 is attached to the indoor surfaces 22 </ b> A and 22 </ b> A of the door rods 22 and 22. The assist handle 14 is fixed around the indoor surface 22A of the door toe 22 and fixed about the horizontal base J1 perpendicular to the sliding direction of the window sash 11 with respect to the fixed base 15. A possible handle portion 16 and an assist protrusion 17 that protrudes and protrudes from the inside of the fixed base 15 in conjunction with the rotation of the handle portion 16 are provided.

  As shown in FIG. 2, an assist window 15 </ b> W is formed on the side surface facing the sash frame 10 side near the upper end of the fixed base 15. As shown in FIG. 3, the assist protrusion 17 normally faces the assist window 15 </ b> W of the fixed base 15 in a state where the assist protrusion 17 is accommodated in the fixed base 15. Then, when the handle portion 16 is gripped and turned to the door bottom side, the tip end portion of the assist protrusion 17 protrudes forward from the assist window 15W and comes into contact with the inner surface 10A of the sash frame 10, and the sash frame 10 and the door tip. Push between the heels 22.

  As shown in FIG. 4, the assist handle device 14 includes a pair of sash component fixed back plates 30 and 30 (hereinafter simply referred to as “back plates 30 and 30”) retrofitted inside the door-end rod 22. Used to be retrofitted to the door toe 22. The pair of back plates 30 and 30 are made of metal and have the same shape.

  The back plates 30 and 30 are arranged vertically symmetrically so as to overlap the back surface 22B of the indoor surface 22A (hereinafter referred to as “cylinder wall inner surface 22B”) of the cylindrical wall constituting the door rod 22. By these back plates 30, 30, the cylindrical wall of the door rod 22 that is the mounting base of the assist handle device 14 is reinforced.

  The back plates 30 and 30 have a strip shape extending in the vertical direction along the door toe 22 and are arc-shaped with both end edges in the longitudinal direction bulging outward (see FIG. 5A). . Further, a plurality of screw holes 32, 33, 34 are formed so as to be lined up in the longitudinal direction of the back plates 30, 30.

  A holding bolt screw hole 33 (corresponding to the “first screw hole” of the present invention) is formed through one end of the back plate 30 in the longitudinal direction. A sash component fixing screw hole 32 (corresponding to the “third screw hole” of the present invention) for fixing the assist handle device 14 is formed in an intermediate portion in the longitudinal direction of the back plate 30. A burring cylinder portion 32T protruding in a cylindrical shape is formed at the opening edge of the sash component fixing screw hole 32 on the opposite surface of the back plate 30 from the surface overlapped with the cylinder wall inner surface 22B.

  Back plate fixing screw holes 34, 34 are formed through the other end of the back plate 30 in the longitudinal direction and at intermediate positions between the holding bolt screw holes 33 and the sash component fixing screw holes 32. As shown in FIG. 4, two back plate fixing bolts 44, 44 penetrating from the outside through the cylindrical wall of the door rod 22 are screwed into these two back plate fixing screw holes 34, 34, thereby The plate 30 is overlapped and fixed on the cylindrical wall inner surface 22 </ b> B of the door toe 22. Of the two back plate fixing screw holes 34, 34, the back plate fixing screw hole 34 on one end side in the longitudinal direction of the back plate 30 corresponds to the “second screw hole” of the present invention. The back plate fixing screw hole 34 on the other end side in the longitudinal direction of the plate 30 corresponds to the “fourth screw hole” of the present invention.

  Further, two sash component fixing bolts 45, 45 penetrating the cylindrical wall of the door rod 22 are screwed into sash component fixing screw holes 32, 32 formed in the pair of back plates 30, 30, respectively. As a result, the assist handle device 14, the door toe 22 and the pair of back plates 30, 30 are fastened together, and the assist handle device 14 is fixed to the indoor surface 22 </ b> A of the door toe 22.

  Here, the back plate fixing screw holes 34 and 34 and the holding bolt screw holes 33 are screw holes having the same diameter and the same pitch, and the back plate fixing bolts 44 can be screwed into the holding bolt screw holes 33. It is possible.

  Further, the sash component fixing screw hole 32 has a larger diameter than the back plate fixing screw holes 34 and 34 and the holding bolt screw hole 33. In order to ensure the strength of the side portion of the sash component fixing screw hole 32 in the back plate 30, the back plate 30 has an arcuate shape concentric with the sash component fixing screw hole 32 in the middle portion in the longitudinal direction. Arc projections 32E and 32E are formed by projecting both side edges of the back plate 30 to the side.

  The configuration of the present embodiment is as described above. Next, a method of retrofitting the assist handle device 14 to the door toe 22 using the back plates 30 and 30 will be described. For convenience of explanation, the side close to the holding bolt screw hole 33 in the back plate 30 is referred to as a proximal end side, and the opposite side is referred to as a distal end side.

  When the assist handle device 14 is retrofitted to the door rod 22, first, the screw holes 32, 33, 34, 34 of the back plate 30 are attached to the portion of the indoor surface 22 A of the door rod 22 where the assist handle device 14 is attached. A plurality of through holes are drilled correspondingly. Specifically, as shown in FIG. 6, the back plate insertion hole 25 for inserting the back plate 30 into the door rod 22 and the back plate fixing screw holes 34, 34 of the back plate 30 are communicated with each other. Back plate fixing insertion holes 26, 26 (corresponding to “screw insertion holes” of the present invention) and component fixing insertion holes 27 for communicating with the sash component fixing screw holes 32 of the back plate 30. Form through. The back plate insertion hole 25 is formed at a position communicating with the holding bolt screw hole 33 in a state where the other three insertion holes 26, 26, 27 coincide with the corresponding screw holes 32, 34, 34 of the back plate 30. Is done. Further, it is impossible to insert the back plate 30 into the insertion holes 26, 26, 27 other than the back plate insertion hole 25.

  Further, in the present embodiment, since the single assist handle device 14 is fixed by the two back plates 30, 30, the plurality of holes 25, 26, 26 described above are attached to the attachment positions of the two back plates 30, 30, respectively. , 27 are formed by drilling. In the present embodiment, a pair of back plate insertion holes 25, 25 are arranged at the center in the vertical direction on the indoor surface 22A of the door toe wall 22, and from the center in the vertical direction (the pair of back plate insertion holes 25, 25). On the far side, the back plate fixing insertion holes 26 and 26 and the component fixing insertion holes 27 are arranged vertically symmetrically.

  Next, the back plates 30, 30 are inserted into the pair of back plate insertion holes 25, 25, respectively, and fixed to the inside of the door-end rod 22. Hereinafter, the fixing method of the back plate 30 fixed to the lower side of the pair of back plates 30 and 30 fixed vertically symmetrically with respect to the door-end rod 22 will be described with reference to FIG.

  First, of the two back plate fixing bolts 44, 44 prepared for one back plate 30, the tip of one back plate fixing bolt 44 is screwed into the holding bolt screw hole 33 of the back plate 30. The base plate of the back plate fixing bolt 44 as the “holding bolt” is gripped, and the back plate 30 is inserted from the back plate insertion hole 25 into the door end rod 22. insert. That is, as shown in FIG. 7 (A), the front end of the back plate 30 is inserted into the back plate insertion hole 25 obliquely from above and is inserted into the interior of the door rod 22 as it is. Then, when almost the whole except the base end side of the back plate 30 is inserted into the door toe 22, the back plate 30 is substantially centered on the base end side of the back plate 30 as shown in FIG. It is rotated so as to be vertical, and the entire back plate 30 is inserted into the door-end rod 22 and overlapped on the inner surface 22B of the cylinder wall of the door-end rod 22. Here, since the tip edge of the back plate 30 when inserted into the back plate insertion hole 25 has an arcuate shape that bulges outward, the back plate 30 is less likely to be caught by the opening edge of the back plate insertion hole 25. Thus, the operation of inserting the back plate 30 into the back plate insertion hole 25 can be performed smoothly.

  Next, the back plate 30 in the door end rod 22 is moved by the back plate fixing bolt 44 as a “holding bolt”, and the back plate fixing screw holes 34, 34 and the back plate fixing insertion hole 26 of the door end rod 22. , 26 is adjusted so that the position of the back plate 30 is adjusted. When the back plate fixing screw holes 34 and 34 are aligned with the back plate fixing insertion holes 26 and 26 of the door toe 22, as shown in FIG. 7C, the other one not used as a “holding bolt” The back plate fixing bolt 44 is inserted into the back plate fixing insertion hole 26 from the outside of the door end rod 22 and screwed into one of the back plate fixing screw holes 34 inside the door end rod 22. As a result, the back plate 30 is temporarily fixed to the door rod 22.

  Next, the back plate fixing bolt 44 as a “holding bolt” screwed into the holding bolt screw hole 33 is removed, and the back plate fixing bolt 44 is moved from the remaining back plate fixing insertion hole 26 to the door. It is inserted into the tip 22 and screwed into the remaining back plate fixing screw hole 34. In other words, the back plate fixing bolt 44 that has finished its function as a “holding bolt” for holding the back plate 30 that has been entirely inserted into the door tip rod 22 from the outside of the door tip rod 22, Used to fix the back plate 30 to the door toe 22. Thus, the back plate 30 is fixed to the inside of the door rod 22 by the two back plate fixing bolts 44 and 44 so as not to move.

  In addition, the fixing method of the back plate 30 fixed on the upper side among the pair of back plates 30 and 30 fixed vertically symmetrically with respect to the door-end rod 22 is obliquely downward with respect to the back plate insertion hole 25. Except for the insertion of the back plate 30, the procedure is the same as described above, and a description thereof will be omitted.

  After the two back plates 30 and 30 are fixed to the door toe bar 22, next, the fixing base 15 of the assist handle device 14 is directed to the indoor surface 22A of the door toe bar 22, and two sash part fixing bolts 45 and 45 are attached. Is inserted into the door-end rod 22 through the component-fixing insertion holes 27, 27 of the door-end rod 22, and the sash component-fixing screw holes 32, 32 formed in the pair of back plates 30, 30 respectively. (See FIG. 7D).

  As a result, the assist handle device 14 (fixed base 15), the door toe cage 22, and the two back plates 30, 30 are fastened together, and the assist handle device 14 is firmly fixed to the indoor surface 22A of the door toe cage 22. Is done. Note that the back plate insertion holes 25 and 25 opened to the indoor surface 22A of the door rod 22 are covered with the assist handle device 14 and are not visible from the outside when the assist handle device 14 is fixed.

  As described above, according to the present embodiment, the back plate 30 that is retrofitted to the door toe bar 22 for retrofitting the assist handle device 14 to the door toe bar 22 that is the vertical wall of the window sash 11 has a cylindrical structure. Since it arrange | positions inside the made door-toe cage | basket 22, the assist handle apparatus 14 can be retrofitted to the window sash 11 without impairing the appearance of the window sash 11. Further, since the sash component fixing screw hole 32 for fixing the assist handle device 14 is a burring hole, the mounting strength of the assist handle device 14 can be improved. Further, since the back plate fixing bolt 44 can be used as a “holding bolt”, it is not necessary to prepare a “holding bolt” separately from the back plate fixing bolt 44. Further, by changing the attachment interval between the two back plates 30 and 30, it is possible to flexibly cope with attachment of various sash components other than the assist handle device 14.

[Other Embodiments]
The present invention is not limited to the above-described embodiment. For example, the embodiments described below are also included in the technical scope of the present invention, and various other than the following can be made without departing from the scope of the invention. It can be changed and implemented.

  (1) In the above embodiment, the assist handle device 14 is illustrated as an example of the “sash part” according to the present invention, but the handle without the assist function, the door butt ridge 21 or the door tip ridge 22 of the window sash 11 is used. You may fix other sash components, such as an auxiliary | assistant lock apparatus attached, with the attachment structure mentioned above.

  (2) In the above embodiment, only one sash component fixing screw hole 32 is provided in one back plate 30, and one sash component (assist handle device 14) is provided using the two back plates 30 and 30. The back plate 30 has a structure in which the entire length of the back plate 30 is extended and a plurality of screw holes 32 for fixing the sash components are provided in one back plate 30, and one sash component is fixed by one back plate 30. It may be.

  (3) In the above embodiment, both end edges in the longitudinal direction of the back plate 30 have an arc shape that bulges outward. However, even if the both end edges are trapezoidal or triangular, the same effect as in the case of an arc shape is obtained. Play.

  (4) The arrangement and number of the holding bolt screw holes 33, the back plate fixing screw holes 34, and the sash component fixing screw holes 32 formed in the back plate 30 are not limited to the above embodiment.

  (5) In the above embodiment, the back plate fixing bolt 44 can be used as a “holding bolt” for holding the back plate 30 inserted into the door tip cage 22 from the outside of the door tip cage 22. However, the holding bolt screw hole 33 and the sash component fixing screw hole 32 may have the same diameter and pitch, and the sash component fixing bolt 45 may be diverted as a “holding bolt”. In addition to the back plate fixing bolt 44 and the sash component fixing bolt 45, a configuration using a dedicated holding bolt may be used.

  (6) When the back plate fixing bolt 44 is used as a “holding bolt”, the length of the back plate fixing bolt 44 may be as long as possible within the range of the inside of the door rod 22. The reason is, for example, a state in which the back plate 30 is simply inserted into the door rod 22 from the back plate insertion hole 25 (see FIG. 7B), and the back plate fixing bolt 44 serving as a holding bolt is mistaken. If the back plate fixing bolt 44 is kept as long as possible within the range of the door rod 22 when the hand is released, the back plate fixing bolt 44 is placed at the opening edge of the back plate insertion hole 25. This is because it is possible to prevent the back plate 30 from falling and falling inside the door-end fence 22.

  (7) In the above embodiment, the back plate 30 is inserted and installed in the vertical plate 22 from the back plate insertion hole 25 penetrating the mounting surface (inner surface 22A) of the sash part of the vertical plate 22, The back plate 30 is inserted into the vertical rod 22 through an opening that penetrates the outer surface (outdoor surface in the above embodiment) opposite to the mounting surface of the sash component of the vertical rod 22 and is attached to the rear surface 22B of the indoor surface 22A. Can also be used. The opening for inserting the back plate 30 may be formed through when attaching the sash component, or an opening formed through the vertical rod 22 from the beginning (for example, for attaching an engraved handle component). May be used.

  (8) A sash component fixing back plate 50 (hereinafter referred to as “back plate 50”), a sash component mounting structure and a sash component mounting method as reference examples not included in the technical scope of the present invention are shown in FIGS. 12 will be described. 8 and 9 show an attachment structure when a sash part (assist handle device 14) is attached to the door toe bar 22, and FIG. 10 shows a back plate used in this attachment structure. 50 is shown.

  As shown in FIGS. 8 and 9, an inner wall 29 extending in the vertical direction in parallel with the indoor surface 22 </ b> A and the outdoor surface 22 </ b> C is provided inside the door toe 22. A longitudinally long opening 28 extending in the up-down direction is formed in the outdoor surface 22C of the door-end fence 22 so as to penetrate therethrough. A digging type handle part 40 is detachably attached to the vertically long opening 28, and is always closed by the handle part 40 (see FIG. 9).

  As shown in FIG. 10, the back plate 50 has a band plate shape, and a rectangular protrusion 50 </ b> K in which one side edge protrudes sideways is formed at an intermediate portion in the longitudinal direction. Further, sash component fixing screw holes 32 and 32 for fixing the assist handle device 14 are formed at positions close to both ends in the longitudinal direction, and a back plate fixing screw hole is formed at a portion where the square protrusion 50K protrudes. 34 is formed through. Here, as shown in FIG. 10A, the sash component fixing screw holes 32 may be provided only at two positions near the both ends in the longitudinal direction of the back plate 50, or as shown in FIG. As described above, the back plate 50 may be provided at three positions, that is, a position near both ends in the longitudinal direction and an intermediate portion. FIG. 9 shows a case where the assist handle device 14 is attached to the door toe bar 22 using the back plate 50 of the type shown in FIG.

  Hereinafter, a mounting structure and a mounting method when the assist handle device 14 is fixed using the back plate 50 of the type shown in FIG. As shown in FIG. 8, the back plate 50 is stacked on the surface of the inner wall 29 of the door toe 22 facing the longitudinal opening 28, and is fixed to the inside of the door toe 22 by the back plate fixing bolt 44. At the same time, the sash part fixing bolts 45, 45 are fastened together with the assist handle device 14 (fixing base 15) and the door toe bar 22. The back plate fixing bolt 44 is inserted into the door end rod 22 from the indoor surface 22 </ b> A side of the door end rod 22, penetrates the inner wall 29, and is screwed into the back plate fixing screw hole 34. Similarly, two sash component fixing bolts 45, 45 are also inserted from the indoor surface 22 </ b> A side into the door rod 22, penetrate the inner wall 29, and are screwed into the sash component fixing screw holes 32, 32. .

  In the case where the assist handle device 14 is retrofitted to the door rod 22 by the sash component mounting structure described above, first, the screw holes 32, 32, 34 of the back plate 50 are formed in the indoor surface 22 </ b> A and the inner wall 29 of the door rod 22. Corresponding to each, a through hole is drilled. Specifically, as shown in FIG. 8A, the back plate fixing insertion holes 26 and 29B for communicating with the back plate fixing screw holes 34 of the back plate 50, and the sash component fixing of the back plate 50 The component fixing insertion holes 27, 27, 29A, 29A for communicating with the screw holes 32, 32 are formed through.

  Next, the handle part 40 is removed from the outdoor surface 22 </ b> C of the door toe 22, and the back plate 50 is inserted into the door toe 22 from the vertically long opening 28. Specifically, the tip end portion of the back plate fixing bolt 44 is screwed into the back plate fixing screw hole 34 of the back plate 50 to grip the base end portion of the back plate fixing bolt 44, and When the vertical width is shorter than the entire length of the back plate 50 (see FIG. 8A), as shown in FIG. 11A, the back plate 50 is inserted obliquely upward or obliquely downward with respect to the longitudinally long opening 28. . 8B, when the vertical width of the vertically long opening 28 is longer than the entire length of the back plate 50, the back plate 50 can be inserted without being inclined with respect to the vertically long opening 28.

  When the entire back plate 50 is inserted into the door toe cage 22, the back plate 50 is overlaid on the inner wall 29 in the door toe cage 22. Here, as shown in FIG. 11B, the back plate fixing bolt 44 screwed into the back plate fixing screw hole 34 protrudes from the vertically long opening 28 with the back plate 50 overlapped with the inner wall 29. Therefore, even if the hand is accidentally released from the back plate fixing bolt 44, the back plate fixing bolt 44 is caught by the opening edge of the vertically long opening 28, and the back plate 50 falls inside the door toe 22. Can be prevented.

  Next, the back plate 50 in the door rod 22 is moved by the back plate fixing bolts 44 so that the component fixing insertion holes 27, 27, 29A, 29A and the sash component fixing screw holes 32, 32 coincide with each other. The position of the back plate 50 is adjusted (see FIG. 11C). If they match, the fixing base 15 of the assist handle device 14 is directed to the indoor surface 22A of the door rod 22 and the two sash component fixing bolts 45, 45 are inserted into the component fixing insertion holes 27, 27, 29A and 29A, and is screwed into the sash component fixing screw holes 32 and 32 formed in the back plate 50 (see FIG. 127A). In FIG. ). As a result, the assist handle device 14 (fixed base 15), the door rod 22 and the back plate 50 are fastened together.

  Next, as shown in the change from FIG. 12A to FIG. 12B, the back plate fixing bolt 44 screwed into the back plate fixing screw hole 34 is extracted from the vertically long opening 28, The back plate fixing insertion holes 26 and 29B penetrating the surface 22A and the inner wall 29 are inserted into the back plate fixing screw holes 34 again. In FIG. 12B, the assist handle device 14 is omitted. Thus, the back plate 50 is fixed to the inside of the door rod 22 by the back plate fixing bolts 44 (see FIG. 12C). Finally, the handle part 40 is attached as it is, and the longitudinal opening 28 is closed. The above is the description of the sash component mounting method according to the reference example.

11 Window sash 14 Assist handle device (sash part)
21 and 22 downside 22A indoor surface
22B Cylinder wall inner surface (the inner surface of the vertical wall)
25 Back plate insertion hole (through hole)
26 Back plate fixing insertion hole (screw insertion hole, through hole)
27 Parts fixing insertion hole (through hole)
30 Sash part fixing back plate 32 Sash part fixing screw hole (third screw hole)
32E, 32E Circular arc projection 33 Holding bolt screw hole (first screw hole)
34, 34 Back plate fixing screw holes (second and fourth screw holes)
44 Back plate fixing bolt 45 Sash component fixing bolt

Claims (6)

A sash component fixing back plate that is retrofitted to the inside of the vertical gutter to retrofit the sash component to the outer surface of the vertical gutter of the window sash,
A band plate shape is formed for insertion from a diagonally upper side or a diagonally lower side into a back plate insertion hole formed through the attachment surface of the sash component of the vertical hook, and extends from one end to the other end in the longitudinal direction. A plurality of screw holes including a first screw hole, a second screw hole, and a third screw hole are arranged in order,
The first screw hole is screwed with a holding bolt for holding the sash component fixing back plate, which is entirely inserted into the vertical rod from the back plate insertion hole, from the outside of the vertical rod. And
In one of the second and third screw holes, the sash component fixing back plate is fixed to the vertical rod before attaching the sash component through a screw insertion hole formed through the vertical rod. Screw for fixing the back plate for screwing,
A sash component fixing bolt for fastening together the sash component, the vertical rod and the sash component fixing back plate is screwed into the other screw hole of the second and third screw holes. A sash component fixing back plate characterized by being configured as described above. The plurality of screw holes are constituted by the first to fourth screw holes including a fourth screw hole disposed on the opposite side of the second screw hole with the third screw hole interposed therebetween. ,
The back plate fixing bolt is screwed into the second and fourth screw holes, and the sash component fixing bolt is screwed into the third screw hole. The sash component fixed back plate according to 1.   At the intermediate portion in the longitudinal direction of the sash component fixed back plate, an arc projection is formed by projecting both side edges of the sash component fixed back plate sideways in an arc shape concentric with the third screw hole. The sash component fixing back plate according to claim 2, wherein the sash component fixing back plate is provided.   The sash component fixing back plate according to claim 2 or 3, wherein the first, second, and fourth screw holes are screw holes having the same diameter and the same pitch. A sash part mounting structure for attaching a sash part to a vertical wall of a window sash and its outer surface,
The inner surface of the vertical rod located on the back side of the mounting surface of the sash component of the vertical rod is obliquely above or against the back plate insertion hole formed through the vertical wall of the mounting surface of the sash component. A plurality of screws having a strip shape that can be inserted obliquely from below and including a first screw hole, a second screw hole, and a third screw hole in order from one end to the other end in the longitudinal direction. A sash component fixed back plate formed with holes aligned is stacked,
In one of the second and third screw holes, the sash component fixing back plate is fixed to the vertical rod before the sash component is attached through a screw insertion hole formed through the vertical rod. Screw for fixing the back plate for screwing,
A sash component fixing bolt for fastening the sash component, the vertical rod, and the sash component fixing back plate together is screwed into the other screw hole of the second and third screw holes,
The first screw hole can be screwed with a holding bolt for holding the sash component fixing back plate inserted from the back plate insertion hole into the vertical rod from the outside of the vertical rod. A sash component mounting structure characterized by being.   Two sash component fixing back plates are arranged vertically on one sash component, and a pair of the back plate insertion holes are arranged at the center in the vertical direction on the mounting surface of the sash component in the vertical cage. The sash component mounting structure according to claim 5, wherein the screw insertion holes are arranged symmetrically on the side away from the center.

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