JPH0680658U - Trigger type sprayer return prevention mechanism - Google Patents

Abstract

(57) [Summary] [Purpose] In a container in which a trigger type sprayer is fixed to a container body by a cap, the purpose is to prevent accidental loosening of the cap and prevent leakage of the content liquid. [Structure] A spiral container-side screw thread 3 is formed on the peripheral wall of the mouth tube portion 2.
And the container-side trough 9 and the cap-side trough 1 that is screwed into the container-side screw thread 3 on the inner peripheral wall of the cap 5.
0 and cap side screw thread 7 screwed into the container side trough 9
And the projection 4 is provided in one of the container-side trough 9 and the cap-side trough 10. 【Constitution】

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container in which a trigger type sprayer is screwed to a mouth tube portion of a container body via a cap, and more particularly to a mechanism for preventing loosening and unthreading of the trigger type sprayer.

[0002]

[Prior art]

 Usually, in a container that stores a liquid and is equipped with a trigger sprayer, and the trigger sprayer sprays the liquid, the trigger sprayer is fixed to the mouth cylinder of the container body with a cap.

More specifically, in such a container, a male screw is formed on the peripheral wall of the mouth tube portion and a female screw is formed on the inner peripheral surface of the cap. Furthermore, a flange for mounting on the mouth tube is provided on the lower surface of the trigger sprayer. On the other hand, an opening having a diameter smaller than the flange is formed on the upper surface of the cap. Then, by tightening the cap, the flange is sandwiched between the opening edge of the cap opening portion and the opening edge of the mouth tube portion, and the trigger sprayer is fixed to the mouth tube portion.

In use, the shoulder of the container and the lower part of the trigger sprayer are grasped by the hand, and the finger is squeezed to squeeze the internal solution to eject the internal solution.

[0005]

[Problems to be solved by the device]

 By the way, in the above container, the ejection part or the trigger part of the trigger sprayer protrudes horizontally as compared to the container body, and external force is applied to this protruding part during transportation etc. and the cap together with the trigger sprayer is applied. May rotate in the loosening direction and the internal solution may leak out.

Therefore, the present invention has been made in view of the above problems, and in a container equipped with a trigger sprayer, prevents accidental loosening of the cap, leaks the content liquid, and unscrews the trigger sprayer. The challenge is to prevent

[0007]

[Means for Solving the Problems]

 The present invention relates to a container body 1 having a mouth tube portion 2, a cap 5 screwed to the mouth tube portion 2, and a trigger type spray connected to the container body 1 by screwing the cap 5 to the mouth tube portion 2. In order to solve the above-mentioned problems in a container equipped with the container 6, the following was performed.

A spiral container-side screw thread 3 and a container-side valley groove 9 are provided on the peripheral wall of the mouth tube portion 2, and a cap-side groove groove that is screwed into the container-side screw thread 3 is formed on the inner peripheral wall of the cap 5. 10 and a cap side screw thread 7 which is screwed into the container side valley groove 9 is provided.

Then, the projection 4 is provided in either one of the container-side trough 9 and the cap-side trough 10. The container-side troughs 9 are shown between the container-side screw threads 3, between the container-side screw thread 3 and the opening end of the mouth tube portion 2, and between the screw thread and the lower end of the mouth tube portion 2. On the other hand, the cap-side troughs 10 indicate between the cap-side screw threads 7, between the cap-side screw threads 7 and the upper end inside the cap 5, and between the cap-side screw threads 7 and the opening end of the cap 5.

Here, in the container-side valley groove 9 between the container-side screw threads 3, the protrusion 4 extends downward from the upper-side container-side screw thread 3, and a gap 11 is formed between the protrusion 4 and the lower-side container-side screw thread 3. Is preferably formed. In this case, in the container-side valley groove 9 between the container-side screw thread 3 and the lower end of the mouth tube part 2, the protrusion 4 is made to extend from the container-side screw thread 3 to the lower end of the mouth tube part 2.

On the other hand, in the cap side valley groove 10 between the cap side screw threads 7, the protrusion 4 extends upward from the lower cap side groove groove 10, and a gap 12 is formed between the projection 4 and the upper cap side screw thread 7. Is preferably formed. In this case, in the cap-side trough 10 between the cap-side screw thread 7 and the upper end inside the cap 5, the projection 4 extends from the cap-side screw thread 7 to the upper end of the cap 5.

Further, each protrusion 4 has such a height that the container-side screw thread 3 or the cap-side screw thread 7 slides in pressure contact with the protrusion 4 when the cap 5 is screwed into or out of the mouth tube portion 2. It has

[0013]

[Action]

 According to the present invention, when the cap 5 is screwed into the mouth tube portion 2, the container side screw thread 3 or the cap side screw thread 7 is screwed into the cap side valley groove 10 or the container side valley groove 9, Sliding contact is made with the protrusions 4 provided in any one of the valley grooves in a pressure contact state. On the other hand, even when the cap 5 is loosened, a pressing force and a frictional force are applied between the protrusion 4 and the container side screw thread 3 or the cap side screw thread 7. As a result, it is possible to prevent accidental loosening of the cap 5.

[0014]

【Example】

[0015]

Embodiment 1 A specific embodiment of the present invention will be described. FIG. 1 is an enlarged view of the upper portion of the container according to the first embodiment.

In FIG. 1, the container body 1 has a tubular mouth tube portion 2 having an open top surface. A spiral container-side screw thread 3 and a container-side trough 9 are provided on the peripheral wall of the mouth tube portion 2.

Here, the container-side trough 9 is located between the opening end of the mouth tube portion 2 and the container-side screw thread 3 a (hereinafter referred to as the first container-side groove 9 a), and the container-side screw thread 9 a. It is formed in the space 9b (hereinafter, referred to as the second container side groove 9b) and in the space 9c (hereinafter, the third container side groove) between the container side screw thread 3 and the lower end of the mouth cylinder part.

The second container-side valley groove 9b and the third container-side valley groove 9c are provided with protrusions 4 extending downward from the container-side screw thread 3. It is preferable to provide a plurality of the projections 4 at equal intervals in the circumferential direction of the container-side trough 9 (see FIG. 2).

In the second trough 9b on the container side, the protrusion 4 extends from the upper screw 3 on the container side to the screw 3 on the lower container, and the end of the protrusion 4 and the screw 3 on the lower container 3 A gap 11 is provided between and.

In the third container-side groove 9c, the protrusion 4 extends from the upper container-side screw thread 3 to the lower end of the mouth tube portion 2. FIG. 3 is a cross-sectional view of the cap 5 and the trigger type sprayer 6 that are screwed into the mouth tube portion 2 of the container body 1.

The trigger sprayer 6 includes a trigger sprayer body 6a, a nozzle 6c, and a trigger 6d, and a flange 6b is provided on the lower surface of the trigger sprayer body 6a.

On the other hand, an inner peripheral surface of the cap 5 is provided with a cap side screw thread 7 which is screwed into the container side groove groove 9 and a cap side groove groove 10 which is screwed into the container side screw thread 3. Further, an opening 5a having a diameter smaller than the outer diameter of the flange 6b is formed on the upper surface of the cap 5, and by screwing (tightening) the cap 5 to the mouth tube portion 2, the opening edge 5b of the cap 5 is formed. The flange 6b is sandwiched between and the opening edge of the mouth tube portion 2.

Here, the height of each projection 4 is less than the container-side screw thread 3, and the height at which the cap 5 and the mouth tube portion 2 are slidably contacted with the cap-side screw thread 7 when screwed. I have. FIG. 4 is an overall side view of the container when the cap is screwed on, and FIG. 5 is a vertical sectional view of the mouth tube portion 2 and the cap 5 in the cap screwed state.

When the cap 5 and the mouth tube portion 2 are screwed together (see FIG. 5), the cap side screw thread 7 is brought into sliding contact with the protrusion 4 in a pressure contact state. Further, in the screwing process, the cap-side screw thread 7 is screwed into the mouth tube portion 2 in the order of the first container-side valley groove 9a, the second container-side valley groove 9b, and the third container-side valley groove 9c. . Here, when the cap-side screw thread 7 passes through the second container-side trough 9b, a part of the cap-side screw thread 7 is brought into sliding contact with the protrusion 4 under pressure, and the remaining portion of the cap-side screw thread 7 is pressed. Passes over the gap 11.

When passing through the third container-side valley groove 9 c, the entire cap-side screw thread 7 is in sliding contact with the protrusion 4. As a result, the frictional force and pressure generated between the cap-side screw thread 7 and the protrusion 4 in the third container-side trough 9c are due to the cap-side screw thread 7 and the protrusion 4 in the second container-side trough 9b. It becomes larger than the frictional force and pressure generated between and.

As described above, according to the first embodiment, when the cap 5 and the mouth tube portion 2 are screwed together, a large load is required in the loosening direction to loosen the cap 5, and the cap 5 is loosened during transportation or during use. Unexpected looseness of the cap 5 can be prevented.

[0027]

Second Embodiment FIG. 6 is a perspective view and a horizontal sectional view of the cap 5, and FIG. 7 is a vertical sectional view of the cap 5.

In the second embodiment, the protrusion 4 is provided on the cap 5 side in addition to the structure of the first embodiment. That is, on the inner peripheral wall of the cap 5, there are formed a cap-side screw thread 7 which is screwed into the container-side trough 9 and a cap-side groove 10 which is screwed into the container-side screw thread 3. Then, the cap-side valley groove 10 is provided with a protrusion 4 extending upward from the cap-side screw thread 8. The protrusions 4 are provided at equal intervals in the circumferential direction of the cap-side valley groove 10.

Here, the cap-side valley groove 10 has a space 10a between the cap-side screw thread 7 and the upper end inside the cap 5 (hereinafter referred to as a first cap-side valley groove 10a), and a space 10b between the cap-side screw threads 7b ( Hereinafter, it is formed in a second cap-side trough 10b) and between the cap-side screw thread 7 and the cap opening end 10c (hereinafter, referred to as a third cap-side trough 10c).

The protrusion 4 is provided in the first cap-side valley groove 10a and the second cap-side valley groove 10b, and is not provided in the third cap-side valley groove 10c. At this time, in the first cap-side valley groove 10 a, the protrusion 4 extends from the cap-side screw thread 7 to the upper end inside the cap 5.

In the second cap-side trough 10b, the protrusion 4 extends from the lower cap-side screw thread 7 toward the upper-cap side screw thread 7, and the end of the protrusion 4 and the upper-cap side cap A gap 12 is formed between the screw threads 7.

The other configurations are the same as those in the first embodiment described above, and the description thereof will be omitted. In the second embodiment, when the mouth tube portion 2 and the cap 5 are screwed together, the container-side screw thread 3 includes the third cap-side valley groove 10c, the second cap-side valley groove 10b, and the first cap groove. The troughs 10a are screwed in this order.

Then, a part of the container-side screw thread 3 is in sliding contact with the protrusion 4 in the second cap-side valley groove 10 b, and the remaining part of the container-side screw thread 3 passes above the gap 12. The entire container-side screw thread 3 is in sliding contact with the protrusion 4 in the first cap-side valley groove 10a. As a result, the frictional force and the pressure generated between the container-side screw thread 3 and the protrusion 4 in the first cap-side valley groove 10a are reduced by the container-side screw thread 3 and the protrusion 4 in the second cap-side valley groove 10b. It is larger than the frictional force and pressure generated during the time period, and the same effect as that of the first embodiment can be obtained.

[0034]

[Effect of device]

 According to the present invention, when the trigger sprayer is impacted during transportation, the cap does not rotate together with the trigger-type force, and the cap can be prevented from loosening from the container body, and leakage of contents can be prevented.

[Brief description of drawings]

FIG. 1 is an enlarged perspective view of a mouth tube portion according to a first embodiment.

FIG. 2 is a top view of the mouth cylinder portion in the first embodiment.

FIG. 3 is a vertical sectional view of the trigger sprayer and the cap in the first embodiment.

FIG. 4 is a side view of the entire container when the cap is screwed on.

FIG. 5 is a vertical cross-sectional view of the mouth tube portion when the cap is screwed on.

FIG. 6 is a perspective view and a horizontal cross-sectional view of a cap according to the second embodiment.

FIG. 7 is a vertical cross-sectional view of the cap according to the second embodiment.

[Explanation of symbols]

 1 ・ ・ Container body 2 ・ ・ Mouth tube part 3 ・ ・ Container side screw thread 4 ・ ・ Projection 5 ・ ・ Cap 5a ・ ・ Opening part 5b ・ ・ Opening edge 6 ・ ・ Trigger sprayer 6a ・ ・ Trigger sprayer main body 6b Flange 6c Nozzle 6d Trigger 7 Cap side screw thread 9 Container trough groove 9a First container trough groove 9b Second container trough groove 9c No. 3 container side trough 10 ... Cap side trough 10a. First cap side trough 10b. Second cap side trough 10c .. Third cap side trough 11 .. Gap 12 .. Gap

Claims (2)

[Scope of utility model registration request] 1. A container body (1) having a mouth tube (2).
A cap (5) screwed to the mouth tube (2), and a trigger sprayer connected to the mouth tube (2) by screwing the cap (5) to the mouth tube (2). (6) With a container provided with a spiral container-side screw thread (3) and a container-side trough (9) on the peripheral wall of the mouth cylinder part (2), the inside of the cap (5) The peripheral wall is provided with a cap-side valley groove (10) screwed into the container-side screw thread (3) and a cap-side screw thread (7) screwed into the container-side groove groove (9). (9) and the cap-side trough (10) is provided with a protrusion (4) in one of the troughs, and the height of the protrusion (4) is such that the cap (5) is aligned with the mouth tube (2). ), The container side screw thread (3) or the cap side screw thread (7) is in pressure contact with the protrusion (4). Trigger type sprayer return prevention mechanism, which is characterized in that the sliding contact is made with. 2. In the container-side trough (9), the projection (4) extends downward from the container-side screw thread (3) and is located below the container-side screw thread (3). A gap (11) is formed between the protrusions (4) in the cap side troughs (10).
2. A gap (12) is formed between the cap-side screw thread (7) and the cap-side screw thread (7) located above the cap-side screw thread (7). Trigger type sprayer return prevention mechanism.