JP5250344B2 - Trigger type ejector - Google Patents

Description

  The present invention relates to a trigger type ejector.

Conventionally, as this type of trigger-type ejector, for example, as shown in Patent Document 1 below, there is a configuration provided with an ejector body attached to a container mouth and a shroud covering the ejector body. Are known. A nozzle for ejecting the inner solution in the container is provided at the front end portion of the ejector body described above, and a trigger swingable in the front-rear direction is suspended. Moreover, the rear part of the shroud described above protrudes rearward from the mounting part (cap part) of the ejector body. In the trigger type ejector configured as described above, the lower part (cap part) of the shroud is grasped, the index finger is put on the trigger, and the trigger is swung backward by the index finger, so that the internal solution in the container is discharged from the nozzle. Erupted. Thus, when using the trigger type ejector, the lower end surface of the rear portion of the shroud is placed on the portion between the thumb and the index finger of the back of the hand holding the lower portion of the shroud. Thereby, stability when the trigger type ejector is gripped is increased, and operability can be improved.
JP 2002-102756 A

  By the way, in the above-described conventional trigger type ejector, by increasing the area of the rear lower end surface of the shroud, the stability when the trigger type ejector is gripped is further improved, and the operability can be further improved. . However, if the area of the rear lower end surface of the shroud is increased, the trigger type ejector becomes larger and bulky, and there is a problem that a large space is required for display at a store or storage by a user.

  The present invention takes the above-described conventional problems into consideration, and improves the operability by improving the stability when the trigger type ejector is gripped without increasing the size of the trigger type ejector. The aim is to provide a trigger-type ejector that can be used.

  The trigger type ejector according to the present invention includes an ejector body attached to a container mouth portion, and a shroud that covers the ejector body, and a nozzle is provided at a front end portion of the ejector body. In addition, a trigger that can swing in the front-rear direction is suspended, and in the trigger type ejector in which the internal solution in the container is ejected from the nozzle by swinging the trigger backward, the rear portion of the shroud A holding member that is rotatable about an axis extending in a lateral direction between a first position placed on the upper side of the shroud and a second position arranged on a lower portion of the shroud is mounted; At least a part of the holding member arranged at the second position protrudes toward the rear of the shroud.

  With such a feature, the trigger-type ejector before use is placed on the upper side of the shroud with the holding member disposed at the first position. Thereby, a holding member does not protrude behind a shroud, but a trigger type ejector becomes small. On the other hand, in use, first, the holding member is rotated around the axis extending in the lateral direction, and the holding member is arranged at the second position. Accordingly, the holding member is disposed on the lower portion of the shroud, and at least a part of the holding member protrudes toward the rear side of the shroud. Next, the lower part of the shroud is gripped and the index finger is put on the trigger. At this time, the holding member is placed on the portion between the thumb and the index finger among the back of the hand that holds the lower portion of the shroud, and the trigger type ejector is supported by the back of the hand through the holding member. Since at least a part of the holding member protrudes toward the rear side of the shroud, the trigger type ejector is supported in a large area. Subsequently, by pulling the trigger with the index finger described above, the trigger swings backward, and the internal solution is ejected from the nozzle.

  In the trigger type ejector according to the present invention, it is preferable that the holding member protrudes in a lateral direction of the shroud.

  Thereby, since the area of the holding member is expanded in the lateral direction, the support area of the trigger type ejector when the lower portion of the shroud is gripped is further expanded.

  According to the trigger type ejector according to the present invention, the trigger type ejector is reduced in size by arranging the holding member in the first position, and the trigger in use is arranged by arranging the holding member in the second position. Since the support area of the type ejector is enlarged, the operability can be improved by improving the stability when the trigger type ejector is held without increasing the size of the trigger type ejector.

DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of a trigger type ejector according to the present invention will be described with reference to the drawings.
1 is a side view of the trigger type ejector 1 before use, FIG. 2 is a plan view of the trigger type ejector 1 before use, and FIG. 3 is a rear view of the trigger type ejector 1 before use. 4 is a side view of the trigger type ejector 1 in use, FIG. 5 is a plan view of the trigger type ejector 1 in use, and FIG. 6 is a side view of the trigger type ejector 1 in use. is there.
In the present invention, the nozzle 5 side (left side in FIG. 1) of the trigger type ejector 1 is defined as the front side, and the opposite side (right side in FIG. 1) is defined as the rear side. Further, the width direction of the shroud 3 described later, that is, the horizontal direction (vertical direction in FIG. 2) orthogonal to the front-rear direction is defined as the horizontal direction.

  As shown in FIG. 1 to FIG. 3, the trigger type ejector 1 is an ejector for ejecting the inner solution in the container 10, and the ejector mounted on the mouth of the container 10 has a schematic configuration. The main body 2, the shroud 3 which covers the ejector main body 2, and the holding member 4 with which the shroud 3 was mounted | worn are provided.

  The ejector body 2 includes a nozzle 5 provided at a front end portion thereof, a trigger 6 suspended in the front end portion and swingable in the front-rear direction, a pump 7 disposed behind the trigger 6, and a container 10. A mounting cap 8 mounted on the mouth portion and a pipe 9 having a lower end opening disposed in the container 10 are provided. Further, the ejector body 2 includes a vertical cylinder (not shown) extending in the vertical direction connected to the upper end of the pipe 9, a front end extending from the upper end of the vertical cylinder and a nozzle 5 at the tip. Are connected to each other, and a horizontal tube portion (not shown) whose inside communicates with the inside of the vertical tube portion and the nozzle 5 is provided. In the ejector body 2, the pump 7 is operated by swinging the trigger 6 backward. Then, the internal solution in the container 10 is sucked up from the lower end of the pipe 9 by the pump 7, and the internal solution is sent to the nozzle 5 through the vertical cylinder part and the horizontal cylinder part and ejected from the nozzle 5. .

  The shroud 3 is a U-shaped outer shell portion that covers the above-described pump 7, a vertical cylinder portion and a horizontal cylinder portion (not shown), and constitutes the outer shape (external appearance) of the ejector body 2. The front surface and the lower surface of the shroud 3 are open. The shroud 3 is disposed above the mounting cap 8, the nozzle 5 is disposed in front of the front end portion of the shroud 3, and the trigger 6 is disposed below the front end portion of the shroud 3. Is arranged. More specifically, the shroud 3 extends in the front-rear direction and is arranged to face the pair of left and right side wall portions 30 facing each other at an interval in the horizontal direction, and the upper wall that closes the upper end portions of the pair of left and right side wall portions 30. And a rear wall portion 32 that closes a rear end portion of the pair of left and right side wall portions 30. Further, the rear portion of the shroud 3 projects rearward from the mounting cap 8 described above, and the rear upper surface of the shroud 3 is inclined downward toward the rear side. That is, the rear wall portion 32 is inclined downward toward the rear side. The rear wall portion 32 has a curved shape that bulges outward (backward and obliquely upward) of the shroud 3.

  The holding member 4 is a member that can rotate around the axis S extending in the lateral direction, and is attached to the rear portion of the shroud 3. The holding member 4 includes a plate portion extending along the upper surface of the rear portion of the shroud 3, and the holding member 4 has a lateral width L 1 larger than a lateral width L 2 of the shroud 3, Portions 40) protrude from the lateral sides of the shroud 3, respectively. More specifically, the holding member 4 is connected to the side plate portions 40 on both sides arranged in parallel with a gap in the lateral direction, the connecting plate portion 41 connecting the side plate portions 40 on both sides, and the side plate portions 40 on both sides. And support plate portions 42 on both sides projecting from each other.

  The side plate portions 40 are plate portions that are curved with a radius of curvature similar to that of the rear wall portion 32 of the shroud 3, and are respectively disposed on both lateral sides of the shroud 3 (outside the side wall portion 30). The side plate portions 40 on both sides are arranged side by side with an interval substantially equal to or larger than the lateral width L2 of the shroud 3. A plurality of convex portions 43 extending in the lateral direction are arranged in parallel on the upper surface of the side plate portion 40 at intervals.

  The connecting plate portion 41 is a plate portion that extends in the lateral direction along the upper wall portion 31 of the shroud 3, and is spanned between the upper ends (front ends) of the side plate portions 40 on both sides. As shown in FIG. 2, the connecting plate portion 41 and the side plate portions 40 on both sides are substantially U-shaped (concave) in a plan view, and the U-shaped connecting plate portion 41 and the side plate portions 40 on both sides are formed. It is possible to pass the rear part of the shroud 3 inside.

  The support plate portion 42 is a plate portion that protrudes from the lower surface of the side plate portion 40 on both sides, and is suspended from the inner edge (side edge on the inner side in the lateral direction) of the side plate portion 40 and the side wall portion 30 of the shroud 3. It extends along the outer surface. The support plate portions 42 on both sides are disposed so as to sandwich the rear portion of the shroud 3 from both sides in the lateral direction. A cylindrical rotary shaft 44 disposed on the axis S is projected from the inner surface (the surface facing the outer surface of the side wall portion 30 of the shroud 3) of the front end portion of the support plate portion 42. The rotating shaft 44 is pivotally supported by a round hole-shaped bearing 33 formed on the side wall 30 of the shroud 3. The rotating shaft portion 44 is fitted inside the bearing 33 so as to be rotatable around the axis S, but the rotating shaft portion 44 and the bearing 33 are such that the holding member 4 is held at an arbitrary rotational position. It is fitted with the frictional force.

  The holding member 4 configured as described above has a first position (the position shown in FIGS. 1 and 2) that is placed on the upper side of the shroud 3 and a second position (the positions shown in FIGS. And the position shown in FIG. More specifically, as shown in FIGS. 1 and 2, the holding member 4 in the first position has the curved side plate portion 40 disposed above the rear wall portion 32 of the shroud 3 and the rear wall portion 32. Extended along. Further, the lower surface of the connecting plate portion 41 is in contact with the rear end portion of the upper wall portion 31 of the shroud 3, and rotation on the front side (counterclockwise in FIG. 1) is restricted. On the other hand, in the holding member 4 in the second position, as shown in FIGS. 4 and 5, the side plate portions 40 are respectively disposed on both sides of the lower end portion of the rear portion of the shroud 3, and the curved side plate portion 40 faces downward. It is arranged in the bulging direction. Further, the connecting plate portion 41 projects rearward from the lower end portion of the rear wall portion 32 of the shroud 3, and the end surface on the proximal end side (left side in FIG. 4) of the connecting plate portion 41 is the rear wall of the shroud 3. It abuts on the lower end of the portion 32, and the downward rotation (clockwise in FIG. 4) is restricted.

  Next, the operation of the trigger type ejector 1 having the above-described configuration will be described.

  As shown in FIGS. 1 and 2, the trigger type ejector 1 before use has a holding member 4 disposed at a first position and is placed on the upper side of the shroud 3. Thus, the side plate portion 40 of the holding member 4 is disposed along the rear wall portion 32 of the shroud 3 and the connecting plate portion 41 of the holding member 4 is placed on the upper wall portion 31 of the shroud 3. The holding member 4 is not projected to the rear of the shroud 3, and the trigger type ejector 1 becomes small.

  On the other hand, when using the trigger type ejector 1, first, the holding member 4 is rotated rearward around the axis S, and the holding member 4 is arranged at the second position as shown in FIGS. 4 and 5. . As a result, the holding member 4 is disposed in the lower portion of the rear portion of the shroud 3, the connecting plate portion 41 of the holding member 4 protrudes rearward from the lower end of the rear end portion of the shroud 3, and the holding member 4 The side plate portions 40 are disposed on both sides of the lower end of the rear portion of the shroud 3, respectively.

  Next, while holding the mounting cap 8 below the shroud 3, the index finger is put on the trigger 6. At this time, the lower end surface of the rear portion of the shroud 3 (side wall portion 30), the side plate portion 40 of the holding member 4, and the connecting plate on the portion between the thumb and the index finger of the back of the hand holding the mounting cap 8. Each of the portions 41 is placed, and the trigger type ejector 1 is supported on the back of the hand through the holding member 4 and the rear portion of the shroud 3. In the holding member 4 described above, since the connecting plate portion 41 extends rearward of the shroud 3 and the side plate portions 40 protrude from both sides in the lateral direction, the trigger type ejector 1 is supported in a large area.

  Next, the trigger 6 is pulled with the above-mentioned index finger to swing the trigger 6 backward. As a result, the pump 7 is actuated, the internal solution in the container 10 is sucked up from the lower end of the pipe 9, and this internal solution is sent to the nozzle 5 through the vertical cylinder part and the horizontal cylinder part (not shown). Erupted.

Further, in the trigger type ejector 1 described above, since the rotating shaft portion 44 of the holding member 4 is fitted to the bearing 33 of the shroud 3 with a certain degree of frictional force, the trigger type ejector 1 is used. At this time, as shown in FIG. 6, it is possible to adjust the rotation angle of the holding member 4 so that the holding member 4 is disposed at an arbitrary position between the first position and the second position.
In addition, the arrangement | positioning to the arbitrary positions mentioned above forms the rotating shaft part 44 and the bearing 33 in a polygon, or the engaging convex part or engaging concave part formed in the rotating shaft part 44 and the bearing 33, respectively. It is also possible to adopt a concave / convex engagement by the above.

  According to the trigger type ejector 1 having the above-described configuration, the trigger type ejector 1 is reduced in size by disposing the holding member 4 in the first position, and the holding member 4 is rotated to the second position. Since the support area of the trigger type ejector 1 when the trigger type ejector 1 is grasped by the arrangement is expanded, the trigger type ejector 1 is grasped without increasing the size of the trigger type ejector 1 And the operability of the trigger type ejector 1 can be improved.

  Moreover, according to the trigger type ejector 1 described above, since the holding members 4 protrude from both sides of the shroud 3 in the lateral direction, the area of the holding member 4 is widened in the lateral direction. Thereby, the support area of the trigger type ejector 1 when the mounting cap 8 is gripped is also expanded in the lateral direction. Therefore, the stability when the trigger type ejector 1 is gripped is particularly good, and the operability of the trigger type ejector 1 can be improved.

  Further, according to the trigger type ejector 1 described above, the holding member 4 can be arranged at an arbitrary position by adjusting the rotation angle of the holding member 4. By appropriately adjusting the rotation angle of 4, the holding member 4 matches the back of the hand, the stability when the trigger type ejector 1 is gripped is further improved, and the operability of the trigger type ejector 1 is further improved. be able to.

As mentioned above, although embodiment of the trigger type ejector which concerns on this invention was described, this invention is not limited to above-described embodiment, In the range which does not deviate from the meaning, it can change suitably.
For example, in the above-described embodiment, the holding member 4 having a configuration in which the side plate portions 40 and the connecting plate portions 41 on both sides are arranged in a U-shape in plan view and the support plate portion 42 is protruded from the side plate portion 40. The bearing 33 that pivotally supports the rotating shaft portion 44 projecting from the support plate portion 42 is formed on the side wall portion 30 of the shroud 3, but the holding member of the present invention has the shroud 3 on both sides. The holding member 4 is not limited to the concave holding member 4 interposed between the holding member 4 and the holding member 4 may cover the rear wall 32 of the shroud 3 as shown in FIGS. More specifically, a curved plate-like holding member 104 that is superposed on the surface of the rear wall portion 32 of the shroud 3 is provided, and the rotary shaft portion 144 disposed at the lower end portion of the holding portion 104 is provided at the rear of the shroud 3. It is supported by a notched bearing 133 formed at the lower end of the wall 32.

  Further, in the above-described embodiment, the side plate portions 40 of the holding member 4 are protruded on both sides in the lateral direction of the shroud 3, but in the present invention, the side plate portions of the holding member are on one side in the lateral direction of the shroud 3. Or the side plate portions on both sides of the holding member may not protrude from the lateral direction of the shroud 3. In this case, the side plate portion is disposed between the support plate portions 42 on both sides, and the lateral width of the side plate portion can be made substantially equal to the lateral width of the shroud 3. For example, as shown in FIG. 8, the lateral width L <b> 1 ′ of the holding member 104 can be the same as or smaller than the lateral width L <b> 2 of the shroud 3.

  In the above-described embodiment, the rear portion of the shroud 3 protrudes rearward of the mounting cap 8. However, in the present invention, the rear portion of the shroud does not need to protrude rearward. For example, the rear wall portion of the shroud may be formed as an extension line of the outer peripheral surface of the mounting cap 8. In this case, when the mounting cap 8 is gripped, the rear portion of the shroud cannot be placed on the back of the hand that grips the mounting cap 8, but the holding member 4 is placed on the back of the hand by placing the holding member 4 in the second position. The trigger type ejector is supported via the holding member 4.

In the above-described embodiment, the holding member 4 (the connecting plate portion 41 and the side plate portion 40) extends along the rear surface (the upper wall portion 31 and the rear wall portion 32) of the shroud 3. In the invention, the holding member may be formed in a shape different from the surface shape of the rear portion of the shroud. For example, the holding member bent in the shape of a letter may be put on the rear wall portion 32 of the curved shroud 3.
Further, in the present invention, the ejector body 2 and the shroud 3 may be integrally formed, or the ejector body 2 and the shroud 3 are formed separately and the shroud 3 is formed in the ejector body 2. It may be deposited.

  In addition, in the range which does not deviate from the main point of this invention, it is possible to replace suitably the component in above-mentioned embodiment with a well-known component, and you may combine the above-mentioned modification suitably.

It is a side view of the trigger type ejector before use for describing the embodiment of the present invention. It is a top view of the trigger type ejector before use for describing an embodiment of the invention. It is a rear view of the trigger type ejector before use for demonstrating embodiment of this invention. It is a side view of the trigger type ejector at the time of use for describing the embodiment of the present invention. It is a top view of the trigger type ejector at the time of use for demonstrating embodiment of this invention. It is a top view of the trigger type ejector at the time of use for demonstrating embodiment of this invention. It is a side view of the trigger type ejector before use for demonstrating other embodiment of this invention. It is a top view of the trigger type ejector before use for demonstrating other embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Trigger type ejector 2 ejector main body 3 shroud 4 holding member 5 nozzle 6 trigger 10 container S axis

Claims (2)

An ejector body attached to the container mouth, and a shroud covering the ejector body,
At the front end portion of the ejector body, a nozzle is provided and a trigger that can swing in the front-rear direction is suspended.
In the trigger type ejector in which the inner solution in the container is ejected from the nozzle by swinging the trigger backward,
A rear portion of the shroud is rotatable about an axis extending in a lateral direction between a first position placed on the upper side of the shroud and a second position disposed on a lower portion of the shroud. A holding member is attached,
At least a part of the holding member arranged at the second position protrudes toward the rear of the shroud. In the trigger type ejector according to claim 1,
The trigger ejector according to claim 1, wherein the holding member protrudes in a lateral direction of the shroud.

Images