JP5518593B2 - Lifting sash window with opening / closing regulation function and sealing device provided with the same - Google Patents

Description

  The present invention relates to a lifting sash window with an opening / closing regulating function suitable for a sealing device such as a draft chamber and a sealing device provided with the same.

  Enclosure devices such as draft chambers and tabletop hoods are devices that are required to safely perform various chemical experiments in laboratories in laboratories and the like. It can be opened and closed by an elevating sash window disposed so as to be movable up and down.

  And the said enclosure apparatus draws air so that it may become a negative pressure atmosphere in the state which controlled the opening degree of the raising / lowering sash window, The internal air containing the toxic gas etc. which generate | occur | produce in a processing chamber during an experiment is carried out. It can be smoothly led out to the purification processing means side such as an exhaust gas cleaning device installed in another place.

  The elevating sash window disposed in a sealing device such as a draft chamber provided for such an application is connected to one end side of a suspension means composed of, for example, a pair of left and right wires and a suspension belt, via a pulley. By connecting a balance weight to the other end, the front end of the processing chamber is kept open at an appropriate degree of opening during work, and lowered during experiments and when not in use. The front opening can be fully closed.

  By the way, the elevating sash window provided in the enclosing device is formed by holding a transparent plate made of a single piece of transparent glass or the like alone on the surrounding frame material, as disclosed in Patent Document 1, for example. In some cases, a sliding door formed by holding a plurality of transparent plates individually on a frame member is disposed so as to be movable in the left-right direction.

Japanese Patent No. 3553355

  That is, the elevating sash window provided in the draft chamber (enclosing device) described in Patent Document 1 is formed so that a sliding door formed by individually holding a plurality of transparent plates on each frame member can be moved in the left-right direction. Therefore, work can be done through the front opening that is secured by raising the elevating sash window itself, or by moving each sliding door with the elevating sash window positioned at the lower limit It is also possible to work through the front opening.

  However, as disclosed in Patent Document 1, when the sliding door is formed so that the sliding door can be simply moved in the left-right direction, the sliding door is left open by the operator by mistake. Since the lifting / lowering sash window itself can be lifted / lowered, it is difficult to adjust the design air volume and the actual air volume according to the opening / lowering of the lifting / lowering sash window. There was a disadvantage that it would be difficult to guarantee.

  In view of the above problems of the prior art, the present invention cannot open the sliding door side unless the entire lifting sash window provided with the sliding door is lowered to the lower limit position, and the sliding door side is fully closed. It is an object to provide an elevating sash window with an opening / closing restriction function that cannot lift the elevating sash window itself unless it is moved, and a sealing device provided with the elevating sash window.

  The present invention has been made to achieve the above object, and the first invention (elevating sash window) is an elevating and lowering device installed to open and close the front opening of the processing chamber provided in the main body of the enclosing device. The sash window has one vertical side portion positioned on at least one of the vertical sash frames in a surrounding frame defined by a vertical sash frame arranged on the left and right and a horizontal sash frame arranged on the upper and lower sides. One sliding door disposed, and the other sliding door disposed to form a two-layer overlapping portion where the other vertical side portion of the sliding door and the one vertical side portion face each other When the elevating sash window is lowered to the lower limit position, the automatic release of the locked state with respect to the two-sheet overlapping portion side in the sliding doors in the fully closed state and the vertical frame side of the front opening portion is performed. The lifting sash window itself is automatically locked, An alternate lock mechanism that enables automatic lifting of the locked state with respect to the vertical frame side and automatic locking with respect to the two-sheet overlapping portion side only when the sliding door is in a fully closed state, and enables lifting from the lower limit position. The main feature is that the lift sash window is provided.

  In this case, the alternate lock mechanism is positioned on the lower side with a length from the position close to the double overlap portion of the sliding door in the fully closed state to the start end side and the end side to one of the vertical sash frames. A connecting rod disposed on the lateral sash frame so as to be laterally movable, a fixed piece portion fixedly disposed on the horizontal sash frame adjacent to the starting end side of the connecting rod, and the fixed piece One side movable arm part whose base end part is pivotally supported on the part side and the intersection part of the other side movable arm part whose base end part is pivotally supported on the start end side of the connecting rod are respectively pivotally supported. The top end side of the base is pivotally supported by the base portion, and the concave portion provided on the bottom surface of one sliding door on the two-layer overlapping portion side and the bottom surface of the other sliding door are provided on the top surface of the base portion. A sliding door locking means comprising a pair of protrusions provided to be able to be latched to the recessed portion when fully closed, and a connecting rod A rotating moving body pivotally supported along the length direction on the end side, and the rotating body is always projected and urged in the vertical frame direction via the connecting rod to move up and down. And an elevating sash window locking means including a pressing urging portion that allows the rotating body to enter a recess provided on the vertical frame side only when the sash window is located at the lower limit. Is preferred.

  In addition, the second invention (encapsulation device) is most importantly capable of opening and closing the front opening of the processing chamber by the elevating sash window provided with the alternate locking mechanism according to claim 1 or 2. Features.

  According to the present invention, the elevating sash window installed to open and close the front opening of the processing chamber provided in the main body of the enclosing device is in a sliding door that is fully closed when pulled down to the lower limit position. Since it has an alternate lock mechanism that automatically releases the locked state with respect to the two-sheet overlapping portion side and automatically locks the lifting sash window itself with respect to the vertical frame side of the front opening, the sliding door is in a fully closed state. The automatic unlocking of the locked state with respect to the vertical frame side and the automatic locking with respect to the two-sheet overlapping portion side can be performed only when the vertical frame is on.

  Therefore, unless the entire lifting sash window is pulled down to the lower limit position, the sliding door side in the fully closed state cannot be opened, and unless the sliding door side is in the fully closed state, Since the elevating sash window itself cannot be pulled up from the lower limit position, it is possible to prevent the operator from accidentally raising and lowering the elevating sash window with the sliding door open, and according to the opening degree of the elevating sash window. Therefore, it is possible to easily and reliably realize maintenance of a stable adjustment state between the designed air volume and the actual air volume and guarantee of the capability of the sealing device itself.

The front view which shows an example of this invention. It is explanatory drawing which shows the alternate locking mechanism arrange | positioned by the relationship with the two sliding doors arrange | positioned adjacently by the left vertical sash frame side in FIG. 1, (a) is long The front view which abbreviate | omitted one part in the direction is shown, (b) shows the top view corresponding to (a), (c) shows the right view of (a), respectively.

  In the present invention, when the elevating sash window 11 is lowered to the lower limit position as shown in FIG. 1, the main body 62 is closed so that the front opening 64 of the processing chamber 63 provided in the main body 62 can be closed by the sealing device 61. On the other hand, it can be moved up and down.

  According to FIG. 1, the left and right vertical sash frames 12 are adjacent to each other in the enclosure defined by the left and right vertical sash frames 12 and 13 and the upper and lower horizontal sash frames 14 and 15 included in the elevating sash window 11. A total of four sliding doors 16, 17 arranged together and two sliding doors 18, 19 arranged adjacent to the right vertical sash frame 13 side are mounted. When these four sliding doors 16, 17, 18, 19 are in a fully closed state as shown in FIG. 1, they are arranged adjacent to the left vertical sash frame 12 side. Two overlapping portions 20 are formed between the sliding doors 16 and 17 and between the two sliding doors 18 and 19 arranged adjacent to each other on the right vertical sash frame 13 side. The two sliding doors 17 and 18 located in the section are arranged so as to contact each other.

  That is, the elevating sash window 11 includes a first sliding door 16 disposed with one vertical side portion 16 a positioned on the left vertical sash frame 12 side, and the other vertical side portion of the sliding door 16. A second sliding door 17 arranged so as to form a two-layer overlapping portion 20 facing the 16b side and the one vertical side portion 17a side, the other vertical side portion of the sliding door 17 and one of the vertical side portions The third sliding door 18 arranged so that the vertical side portion 17a abuts when closed, the other vertical side portion 16b side of the sliding door 18 and the one vertical side portion 17a side face each other. It is formed by providing a fourth sliding door 19 arranged to form a two-sheet overlapping portion 20.

  Further, according to the figure, two sliding doors 16 and 17 arranged adjacent to the left vertical sash frame 12 side and two sheets arranged adjacent to the right vertical sash frame 13 side are provided. The sliding doors 18 and 18 can be individually controlled to open and close via the alternately arranged lock mechanisms 32 and can also be controlled to lift and lower the sash window 11 itself.

  That is, when the elevating sash window 11 is lowered to the lower limit position of the front opening 64, the elevating sash window 11 and the sliding doors 16 and 17 in the fully-closed state are mutually overlapped with each other. The automatic unlocking of the locked state with respect to the two overlapping portions 20 side of the 18, 19 mutual and the automatic locking of the elevating sash window 11 itself with respect to the vertical frame 55 side of the front opening 54 are performed, and the sliding doors 16, 17, 18, 19 are performed. An alternate lock mechanism 32 is provided that enables automatic release of the locked state with respect to the vertical frame 65 side and automatic locking with respect to the two-ply-up portions 20 and 20 side only when the frame is in the fully closed state, and enables lifting from the lower limit position. ing.

  FIG. 2 is an explanatory view showing the alternate lock mechanism 32 disposed in relation to the two sliding doors 16 and 17 disposed adjacent to each other on the left vertical sash frame 12 side in FIG. (A) is a front view with a part omitted in the length direction, (b) is a plan view corresponding to (a), and (c) is a right side view of (a). Respectively.

  According to the figure, the alternate lock mechanism 32 is provided when the connecting rod 33 disposed on the lateral sash frame 14 located on the lower side and the elevating sash window 11 are lowered to the lower limit position. The lifted sash window 11 itself is automatically released due to the automatic release of the locked state of the sliding doors 16, 17 in the fully closed state with respect to the double-sheet overlapping portion 20 side and the recess 66 provided in the vertical frame 65 of the front opening 64. The automatic unlocking of the locked state due to the relationship between the locking means 34 for the sliding door that can be locked and the recess 66 provided in the vertical frame 65 only when the sliding doors 16 and 17 are fully closed. And an elevating sash window locking means 44 that performs automatic locking with respect to the double-sheet overlapping portion 20 side and enables lifting from the lower limit position. 1 and FIG. 2 is a flow path regulating handle for smoothly entering air so as not to cause vortex flow into the front opening 64, and reference numeral 67 in FIG. The top plate part which partitions the front opening part 64 of a process chamber between this raising / lowering sash window 11 when the raising / lowering sash window 11 is located a little above a lower limit position is shown, respectively.

  Among these, the connecting rod 33 reaches the left end of the vertical sash frame 12 on the left side with the end 33b side as the start position 33a side in the vicinity of the double overlapping portion 20 of the sliding doors 16 and 17 in the fully closed state. It has a length and is disposed on the lateral sash frame 14 located on the lower side so as to be laterally movable. Although not shown in the figure, the connecting rod 33 is arranged so as not to float through a holding metal fitting (not shown) having a substantially inverted U shape disposed on the horizontal sash frame 14.

  The sliding door locking means 34 includes a fixed piece portion 35 fixedly disposed on the lateral sash frame 14 in the vicinity adjacent to the start end 33a side of the connecting rod 33, and a base end portion 36a on the fixed piece portion 35 side. Are pivotally supported at the intersection 38 between the one side movable arm portion 36 on which the shaft is pivoted and the other side movable arm portion 37 on which the base end portion 37a is pivotally supported on the start end 33a side of the connecting rod 33. The side portions 36b and 37b are pivotally supported by the base 39, and the top surface 39a of the base 39 is provided with the recess 22 provided on the lower end surface 20 of the one sliding door 16 on the two-ply portion 21 side and the other pulling side. A pair of projections 40 and 41 are provided so as to be able to be latched to the recess 23 provided on the lower end surface 20 of the different door 17 when fully closed.

  The elevating sash window locking means 44 includes a rotating body 45 made of, for example, a wheel that is pivotally supported along the length direction of the connecting rod 33 along the end 33b thereof, and the rotating body 45. The rotating body 45 can be inserted into the recess 66 provided on the vertical frame 65 side only when the lifting sash window 11 is positioned at the lower limit by being constantly projected and biased in the direction of the vertical frame 55 via the connecting rod 33. The pressing urging portion 48 is configured.

  In this case, the rotating body 45 is pivotally supported via a support shaft 46 on a bracket 46 connected to the terminal 33 b side of the connecting rod 33.

  The pressing urging portion 48 includes a horizontal piece portion 50 arranged along the length direction on the connecting rod 33 located in the vicinity of the inside of the vertical sash frame 12, and a left end side of the horizontal piece portion 50. A spring seat 49 having a substantially inverted L-shape consisting of upright standing piece portions 51 is fixedly arranged on the connecting rod 33, and a compression spring 55 is attached to a support rod 53 made of a bolt material having a flange portion 54 on the proximal end side. Is inserted and arranged, and the front end side of the support rod 53 is fixed to the vertical sash frame 12 side with the nut 56 through the through hole 52 provided in the upright piece portion 51 of the spring seat 49 so that it cannot move. Is made up of.

  That is, the pressing urging portion 48 always moves the rotating body 45 in the direction of the vertical sash frame 12 by the urging force of the compression spring 55 disposed between the standing piece portion 51 of the spring seat 49 and the flange portion 54 of the support rod 53. Can be pressed against.

  Next, the operation and effect of the present invention having the above-described configuration will be described with reference to the illustrated example. For example, as shown in FIG. 1, the elevating sash window 11 fully closes the front opening 64 of the processing chamber 63 of the enclosing device 61. When the state is lowered to the lower limit position, the alternating lock mechanism 32 on the sliding doors 16 and 17 side and the alternating locking mechanism 32 on the sliding doors 18 and 19 side are respectively connected to the sliding doors 16 and 16. 17, 18 and 19 can be moved open, and the lifting sash window 11 itself cannot be lifted.

  That is, each alternate lock mechanism 32 allows each sliding door lock means 34 to unlock the sliding doors 16, 17, 18, and 19 and to move them open. The means 44 operates so that the vertical sash window 11 itself cannot be pulled up by automatically locking each vertical frame 65 of the front opening 64.

  These will be described in more detail with reference to FIG. 2. As shown in FIG. 2A, the elevating sash window 11 reaches a position where the front opening 64, which is the lower limit position, is fully closed. In the open state, the rotating body 45 constituting the lifting sash window locking means 44 is simply in pressure contact with the vertical frame 65 side of the front opening 64 and can be pulled down toward the lower limit position, for example. become.

  And when the raising / lowering sash window 11 is in the middle position in this way, the base part 39 which comprises the sliding door lock means 34 in the recessed part 21 of the lower end surface 16a of the sliding door 16 in a fully closed state. One protrusion 40 provided in the sliding door 17 is engaged with the other protrusion 40 provided in the base 39 in the recess 22 of the lower end surface 17a of the sliding door 17, so that both can be opened. Will not be able to.

  On the other hand, when the elevating sash window 11 is pulled down to the lower limit position, the connecting rod 33 is pushed toward the vertical frame 65 side of the front opening 64 by the urging force of the compression spring 55. The rotating body 45 constituting the elevating sash window locking means 44 enters the recess 66 provided in the vertical frame 65 and is automatically locked.

  Such lateral movement of the connecting rod 33 is such that the base end portion 36a of the one side movable arm portion 36 and the base end portion 37a of the other side movable arm portion 37 constituting the sliding door locking means 34 are fixed pieces. Since the one side movable arm portion 36 and the other side movable arm portion 37 are driven through the intersection portion 38 in the direction in which the seat height is lowered, the position of the base portion 39 is also lowered. As a result, the projections 40 and 41 on the base 39 are also automatically unlocked by releasing the engagement state between the lower end surfaces 17a and 18a of the sliding doors 17 and 18 and the recesses 22 and 22.

  That is, when the elevating sash window 11 is pulled down to the lower limit position, the elevating sash window 11 itself cannot be lifted and the sliding doors 16 and 17 can be opened.

  Thus, when the lifting door sash window 11 is to be pulled up after the sliding doors 16 and 17 are opened and necessary processing operations are performed, the locked state by the lifting sash window locking means 44 must be released. As long as the sliding doors 16 and 17 are in the open state, the projections 40 and 41 cannot be inserted into the recesses 22 and 22 of the lower end surfaces 17a and 18a of the sliding doors 17 and 18, so The connecting rod 33 cannot be moved laterally in a direction that obstructs the locked state between the rotating body 45 and the recessed portion 66 of the vertical frame 65 by being obstructed by the other side movable arm portion 37.

  That is, when the lifting sash window 11 itself is to be lifted from its lower limit position, the sliding doors 17 and 18 are fully closed, and the protrusions are formed in the recesses 22 and 22 of the lower end surfaces 17a and 18a of the sliding doors 17 and 18. As long as 40 and 41 are not inserted, the connecting rod 33 cannot be moved laterally in a direction in which the rotating body 45 is escaped from the recess 66 of the vertical frame 65. Therefore, the elevating sash window 11 itself is always raised and lowered. , 18 can be performed only after the fully closed state.

  That is, according to the present invention, the elevating sash window 11 installed to open and close the front opening 64 of the processing chamber 63 provided in the main body 62 of the enclosing device 61 is fully closed when pulled down to the lower limit position. The automatic unlocking of the locked state of the sliding doors 16 and 17 and the sliding doors 18 and 19 with respect to the double-sheet overlapping portion 20 side and the automatic locking of the elevating sash window 11 with respect to the vertical frame 65 side of the front opening 64 are performed. Since the alternate locking mechanisms 32 and 32 are provided, the automatic release of the locked state with respect to the vertical frame 65 side and the double stacking portion 20 side only when the sliding doors 16, 17, 18, and 19 are in the fully closed state. Automatic locking can be performed.

  Therefore, unless the entire lifting sash window 11 is pulled down to the lower limit position, the sliding doors 16, 17, 18, 19 in the fully closed state cannot be opened and the sliding doors 16, 17, 18, Unless the 19 side is fully closed, the lift sash window 11 itself cannot be lifted from the lower limit position, so that the operator accidentally leaves the sliding doors 16, 17, 18 and 19 in the open state. Without raising and lowering the window 11, maintaining a stable adjustment state between the designed air volume and the actual air volume according to the opening degree of the elevating sash window 11, and guaranteeing the capability of the sealing device itself This can be easily and reliably realized.

  The above is the description of the present invention according to the illustrated example, and the specific content is not limited to this. For example, the elevating sash window 11 may be provided with two sliding doors. In this case, for example, an alternate lock mechanism 32 is provided on the left vertical sash frame 12 side, and the right sash frame 13 side is provided. By arranging the guide wheel for raising / lowering the guide, the raising / lowering of the raising / lowering sash window 11 is regulated.

11 Elevating sash window 12, 13 Vertical sash frame 14, 15 Horizontal sash frame 16, 17, 18, 19 Sliding doors 16a, 17a, 18a, 19a (One) Vertical sides 16b, 17b, 18b, 19b (Other ) Vertical side portion 20 Lower end surface 21 Double overlapped portion 22, 23 Recess 32 Alternate lock mechanism 33 Connecting rod 33a Starting end 33b Ending 34 Locking door locking means 35 Fixed piece portion 36 One side movable arm portion 36a Base end portion 33b Top end portion 37 Other side movable arm portion 37a Base end portion 37b Top end portion 38 Crossing portion 39 Base portion 40, 41 Projection portion 44 Lifting window locking means 45 Rotating body 46 Bracket 47 Support shaft 48 Pressing biasing portion 49 Spring seat 50 Horizontal piece portion 51 Standing piece portion 52 Through-hole 53 Support rod 54 Hook portion 55 Compression spring 56 Nut 61 Enclosing device 62 Main body portion 63 Processing chamber 64 Front opening portion 6 5 Vertical frame 66 Concave part 67 Top plate part

Claims (3)

The elevating sash window installed to open and close the front opening of the processing chamber provided in the main body of the enclosure device is defined by a vertical sash frame arranged on the left and right and a horizontal sash frame arranged on the top and bottom. Inside, at least one of the vertical sash frame side, one sliding side door is disposed, the other sliding side door side of the sliding door and the one side of the vertical side And the other sliding door arranged to form a two-layer overlapping portion facing each other,
When the elevating sash window is pulled down to the lower limit position, the sliding doors in the fully closed state are automatically released from the locked state with respect to the two-sheet overlapping portion side, and the elevating sash is directed to the vertical frame side of the front opening. The window itself is automatically locked, and only when the sliding door is in the fully closed state, the lock state is automatically released to the vertical frame side and the two-layer overlapping portion side is automatically locked. An elevating sash window with an opening / closing regulating function, wherein the elevating sash window is provided with an alternate lock mechanism that enables lifting from a position. The alternate lock mechanism is positioned on the lower side with a length from the position close to the overlapped portion of the sliding door in the fully closed state to the start end side and the end side to one of the vertical sash frames. A connecting rod disposed so as to be laterally movable on the lateral sash frame;
A fixed piece portion fixedly arranged on the lateral sash frame adjacent to the starting end side of the connecting rod, and a one-side movable arm portion whose base end portion is pivotally supported on the fixed piece portion side; The intersection of the connecting rod with the other side movable arm portion whose base end portion is pivotally supported on the start end side is pivotally supported, and each top end portion is pivotally supported on the base portion, and the top of the base portion is supported. It is possible to latch the concave portion provided on the lower end surface of one sliding door on the side of the two-sheet overlapping portion and the concave portion provided on the lower end surface of the other sliding door when fully closed. A sliding door locking means comprising a pair of protrusions,
A rotating body pivotally supported on the terminal end side of the connecting rod along its length direction, and the rotating body is always urged and projected in the vertical frame direction via the connecting rod. A lifting sash window locking means comprising a pressing urging portion that allows the rotating body to enter a recess provided on the vertical frame side only when the lifting sash window is located at the lower limit. The raising / lowering sash window with an opening-and-closing control function of Claim 1 comprised at least. An encapsulating apparatus, wherein the front opening of the processing chamber can be opened and closed by the elevating sash window provided with the alternate locking mechanism according to claim 1.

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