JP2010051937A - Trigger type sprayer - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a trigger type sprayer in which a cover plate is coupled to the upper side wall of a cover part base plate through a hinge so as to open a cover part of a trigger member. <P>SOLUTION: The trigger type sprayer is provided with a holding body, a reverse L-shaped pump and the trigger member. The holding body is provided with an attaching part screwing a container body and a support part provided with a fitting cylinder of the pump and a pivot axis at an upper side and composed of a parallel plate body. The pump is provided with a reverse L-shaped piston part and a spray nozzle. A turning preventive chip inserted between a push down axis and a plate body of the holding body is provided on a folding part of the piston part. A trigger member is composed of a finger hooking part and a cover part openable through the hinge. The cover part is pivotally supported on the pivot axis and is provided with an engaging groove engaged with the push down shaft of the pump. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a trigger type sprayer suitable for ejecting liquids such as shampoos, rinses, cosmetics, and medicines.

A trigger (11) is rotatably mounted on the tip of an arm (7) protruding upward and outward from the pump mounting cylinder (6), and an intermediate portion of the trigger (11) is provided on the nozzle head (3). A trigger type sprayer that is engaged with the pin shaft (5) and presses down the nozzle head (3) in accordance with the pulling operation of the trigger (11) has been conventionally known (for example, patents). Reference 1).
Japanese Patent Application No. 2007-167801

However, in the conventional trigger sprayer described in Patent Document 1, the nozzle head (3) and the trigger (11) are temporarily set by passing the nozzle head (3) through the nozzle insertion hole of the trigger member when the trigger sprayer is assembled. And the fitting cylinder (6) was attached to the container body in the state of the temporary set.
For this reason, the assembly position becomes unstable and there is a problem that the assembly is not easy.

  An object of the present invention is to provide a trigger type sprayer in which a cover plate is connected to an upper wall of a cover part substrate via a hinge so that the cover part of the trigger member can be opened. And

  In order to solve the above problems, the present invention is a trigger type sprayer. A trigger type sprayer comprising a holding body, an inverted L-shaped pump and a trigger member, the holding body being provided with an attachment portion screwed into the container body, a fitting cylinder of the pump, and a pivot shaft on the upper side, The pump has a reverse L-shaped piston part and a spray nozzle, and a bent part of the piston part is provided between the push-down shaft and the holding body plate. The trigger member is composed of a finger-hanging part and a cover part that can be opened via a hinge, and the cover part is a shaft that can be rotated about the pivot shaft of the holding body. A configuration is adopted in which an engaging groove is provided that is supported and engages with a push-down shaft of the pump.

  As an embodiment of the trigger member, the cover portion of the trigger member is composed of a substrate and a cover plate connected to an upper wall provided on the substrate via a hinge, a fitting cylinder is erected on the substrate, and the cover plate And a trigger pin cover portion comprising a substrate and a cover plate, and the substrate and the cover plate are respectively pushed to the center portion. A configuration is adopted in which an engagement groove that engages with the lowering shaft is recessed, and a bearing hole that is fitted to the pivot shaft is provided at the rear end portion of the cover portion.

  By assembling the cover plate to the upper wall of the substrate so that one side of the cover portion of the trigger member can be opened, when the sprayer is assembled, the reverse L-shaped piston portion of the pump is passed through the trigger member, There is no need to temporarily set the pump, making assembly easier.

Next, the trigger type sprayer of this invention is demonstrated with reference to drawings.
1-4, A is a holding body, B is an inverted L-shaped pump, C is a trigger member, and D is a container body.

  As shown in FIGS. 1 and 2, the holding body A includes a mounting portion 1 screwed into the container body D, a fitting cylinder 2 of the pump B, and two parallel plates extending obliquely upward from the fitting cylinder 2. A support shaft 3 is provided, and a pivot shaft 4 protruding from the plate is provided above the support portion 3.

The pump B includes an inverted L-shaped piston portion 6 that is opposite to the cylinder 5. A piston portion 6a extending in the vertical direction is fitted into the cylinder 5, and the piston portion 6b extending in the lateral direction from the upper end of the piston portion 6a. A spray nozzle 7 is attached to the tip of the nozzle.
As the pump B, a pump having a known configuration that can eject the content liquid sucked from the container body D from the spray nozzle 7 in accordance with the pressing operation of the piston portion 6 is used.

  A push-down shaft 9 projects from the front and rear surfaces of the bent portion 8 of the piston portion 6, and the lateral piston portion 6 b is curved from its lower end portion and extends downward, and the plate of the support portion 3 The anti-rotation piece 10 inserted in between is provided continuously.

As shown in FIGS. 1 and 3, the trigger member C is composed of a finger hanging part 11 and a cover part 12, and the finger hanging part 11 has a U-shape with the front side as a finger contact surface 11 a and both side surfaces bent. The cut surface is formed.
The finger contact surface 11 a extends upward from both side surfaces, and one side surface 11 b is connected to the substrate 12 a of the cover portion 12.

The cover portion 12 includes a substrate 12a and a cover plate 12b. The substrate 12a is connected to one side surface 11b of the finger-hanging portion 11, and the spray nozzle 7 can be inserted between the finger contact surface 11a and the upper portion. An upper wall 13 protrudes at an interval.
A cover plate 12 b having the same shape as the substrate 12 a is connected to the upper end portion of the upper wall 13 via a hinge 14.

An engagement groove 15 that engages with the push-down shaft 9 of the pump B is formed in the center portion of the substrate 12a, and two fitting cylinders 16 that connect the cover plate 12b are provided up and down.
A bearing hole 17 that fits into one end of the pivot shaft 4 of the support portion 3 is recessed in the rear end portion of the substrate 12a.
In the cover plate 12b, an engaging groove 15a that engages with the push-down shaft 9 is recessed at a symmetrical position of the substrate 12a, and a fitting pin 18 that fits into each of the two fitting cylinders 16 protrudes. Yes.
Further, a bearing hole 17a that fits into the other end of the pivot shaft 4 is recessed in the rear end portion.

Next, the effect of the trigger type sprayer of this invention is demonstrated.
When assembling the trigger type sprayer, as shown in FIG. 2, the pump B is inserted into the holding body A, the mounting portion 1 is screwed into the mouth of the container body D, and the pump B is attached to the container body D. To do.

  Next, as shown in FIG. 4, the trigger member C is supported by the engagement groove 15 a of the base plate 12 a on the push-down shaft 9 of the piston portion 6 with the cover portion 12 being opened and the base plate 12 a and the cover plate 12 b being opened. The piston portion 6 is inserted between the hole 17 a and the upper wall 13 by fitting the hole 17 a into the end of the pivot shaft 4, positioning the finger hook portion 11 below the spray nozzle 7.

  Next, the cover plate 12b is rotated via the hinge 14, the engagement groove 15a is fitted to the push-down shaft 9, the bearing hole 17a is fitted to one end of the pivot shaft 4, and the fitting pin 18 is fitted to the substrate 12a. The trigger member C can be attached to the pump B and the holding body A by being fitted to the fitting cylinder 16.

In assembly, the rotation preventing piece 10 provided on the piston portion 6 of the pump B is inserted between the plates of the support portion 3 of the holding body A, so that the pump B can be easily mounted.
Furthermore, since the trigger member C is connected continuously via the hinge 14 and can be freely opened and closed, the trigger member C can be mounted very easily.

  Further, since the cover portion 12 is firmly coupled by the fitting cylinder 16 and the fitting pin 18, the trigger member C is smoothly swung.

  When using the sprayer, the trigger member C rotates around the pivot shaft 4 when the finger hook portion 11 is pulled, and the engagement grooves 15 and 15a push down the push-down shaft 9 provided in the pump B. When the finger is released from the finger hook portion 11, the piston portion 6 rises, so that the content liquid can be ejected from the spray nozzle 7 in accordance with the pulling operation of the trigger member C.

In the above embodiment, the cover plate 12b is connected to the substrate 12a of the cover portion 12 via the hinge 14, but the cover plate 12b is not provided with the hinge 14, but the cover cylinder 12 and the fitting pin. You may make it couple | bond by the fitting with 18.
Moreover, in the said Example, although the engaging grooves 15 and 15a of the trigger member C were engaged with the pressing shaft 9 of the pump B, those members were lost and the upper wall 13 was engaged with the upper surface of the piston part 6b. You may make it make it.

  In the said Example, although it was set as the trigger type sprayer using the spray nozzle, it may replace with a spray nozzle and may be made to pour out a content liquid by attaching a pouring nozzle.

  In the present invention, the cover plate is hinged to the upper wall so that one side of the cover portion of the trigger member can be opened. Therefore, at the time of assembly, the L-shaped piston portion of the pump is passed through the trigger member. Therefore, the pump can be widely used as a pump having a trigger member such as a spray nozzle and a discharge nozzle.

It is an elevation view of the trigger type sprayer of the present invention. It is an elevation view when a pump is installed in the holding part of the trigger type sprayer. It is an elevation view of the state where the cover part of the trigger member is opened. It is an elevational view when a pump and a trigger member are attached to the container body.

Explanation of symbols

A holding body B pump C trigger member D container body 1 mounting part 2 fitting cylinder
3 support parts
4 Pivoting shaft 5 Cylinder 6, 6a, 6b Piston part 7 Spray nozzle 8 Bending part 9 Pushing shaft 10 Anti-rotation piece 11 Finger hook part 11a Finger contact surface 11b Side face 12 Cover part 12a Substrate 12b Cover plate 13 Upper wall 14 Hinge 15, 15a Engaging groove 16 Fitting cylinder 17, 17a Bearing hole 18 Fitting pin

Claims (3)

A trigger type sprayer comprising a holding body, an inverted L-shaped pump and a trigger member,
The holding body includes an attachment portion that is screwed into the container body, a fitting tube of the pump, a pivot shaft on the upper side, and a support portion that includes a parallel plate body,
The pump includes an inverted L-shaped piston portion and a spray nozzle, and a bent portion of the piston portion is provided with a rotation preventing piece inserted between the push-down shaft and the holding plate.
The trigger member is composed of a finger hanging portion and a cover portion that can be opened via a hinge,
The trigger sprayer characterized in that the cover portion is pivotally supported on the pivot shaft of the holding body and is provided with an engagement groove that engages with the push-down shaft of the pump. The cover part of the trigger member is composed of a substrate and a cover plate connected to an upper wall provided on the substrate via a hinge,
2. The trigger type sprayer according to claim 1, wherein a fitting cylinder is erected on the substrate, and a fitting pin is fitted on the cover plate to be fitted to the fitting cylinder. The cover part of the trigger member consists of a substrate and a cover plate,
The substrate and the cover plate each have a concave engagement groove that engages with the push-down shaft at the center,
2. The trigger type sprayer according to claim 1, wherein a bearing hole is provided in the rear end portion of the cover portion so as to be fitted to the pivot shaft.

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