JPH0441951Y2 - - Google Patents

Description

[Detailed explanation of the idea] "Industrial application field" This proposal concerns a small sprayer.

"Problems to be solved by conventional techniques and ideas" For example, the container described in Japanese Utility Model Publication No. 57-23018 is
From a container body, a metal mounting tube fitted into the mouth and neck of the container body, a cylinder with a suction valve attached to the container body by the mounting tube, and a cylindrical piston fitted into the cylinder. an actuating member having a stem erected above the cylinder and a push-down head attached to the upper end of the stem, the actuating member bending and deforming the mounting cylinder;
It is secured to the outer surface of the mouth and neck of the container so that it cannot be removed.

However, the above-mentioned conventional containers require a special machine to tighten the mounting tube, requiring large-scale equipment, and the assembly process from assembling the mounting tube to the mouth and neck until the final tightening is required. The mounting tube is likely to move up and down due to internal vibrations, which may interfere with assembling other members or may cause trouble when tightening the mounting tube.

In the present invention, an engagement groove is provided around the upper outer surface of the cylindrical body fitted to the outer surface of the mouth and neck of the container body, and within the engagement groove,
By engaging the engagement protrusion attached to the inner surface of the lower end of the metal mounting cylinder and fitting the lower part of the mounting cylinder to the upper part of the cylinder, it is possible to assemble the mounting cylinder in a temporarily positioned state. At the same time, the temporarily positioned mounting tube is finally attached by pushing down, and the mounting tube is provided so that it can be easily attached without using a special machine.

"Means for solving the problem" Container body 1 that erects the mouth and neck part 3, and the mouth and neck part 3
Then, the cylinder 8 with the suction valve is vertically installed in the container body 1 by engaging the outward flange 9 attached to the upper end, and the stem is moved upwardly from the piston fitted into the cylinder so as to be able to move vertically. From the periphery of the inward flange-like wall 15 that holds the outward flange 9 between the operating member 6, which has the liquid ejecting head 11 attached to the upper end of the stem, and the upper surface of the mouth and neck part 3, A peripheral wall 17 having a plurality of vertically arranged grooves 16 is provided vertically, a guide tube 18 is erected from the inner peripheral edge of the inward flange-like wall 15, and an engaging groove 19 is provided around the upper outer surface of the peripheral wall 17. The attached mounting cylinder 14 is removably engaged with the engagement protrusion 24 attached to the lower end of the cylinder part 23 in the engagement groove 19, and the lower part of the cylinder part 23 is pushed down onto the upper outer surface of the peripheral wall 17. It consists of a metal mounting cylinder 22 that can be fitted together and has an inward flange 25 attached to the upper end of the cylindrical part 23. Above peripheral wall 1
The lengths between the upper and lower ends of 7 are formed to be approximately equal, and the cylindrical portion 23 is tightly fitted to the outer surface of the peripheral wall 17 by forcibly pressing down the mounting tube 22 on the outer surface of the upper end of the mouth and neck portion 3 and the inner surface of the lower end of the peripheral wall 17. First and second engaging protrusions 4 and 20 that can be engaged with each other in a non-removable manner are attached respectively.

"Operation" As shown in FIG. 1, the engagement protrusion 2 of the mounting tube 22
4 into the engagement groove 19 of the mounting cylinder 14, and the lower part of the cylindrical part 23 of the mounting cylinder 22 is inserted into the mounting cylinder 14.
When assembling work is carried out in a state where the mounting tube 22 is fitted onto the upper outer surface of the peripheral wall 17, and the mounting tube 22 is to be finally fitted, the mounting tube is pushed down. Then, the engagement protrusion 24 is disengaged from the engagement groove 19, and as shown in FIG. They are respectively engaged with the lower surfaces of the protrusions 4 to obtain a finished product. In this state, the cylindrical portion 23 of the mounting tube 22 is tightly fitted to the outer surface of the peripheral wall 17, thereby preventing the second engaging protrusion 20 from coming off.

Embodiment The present sprayer consists of a container body 1, an operating member 6, a mounting cylinder 14, and a metal mounting cylinder 22, and each member except the mounting cylinder 22 is made of a synthetic resin material.

The container body 1 has a mouth and neck part 3 erected from the upper end of the body part 2, and a first engaging protrusion 4 is attached to the outer surface of the upper end of the mouth and neck part.

The actuating member 6 has a large diameter cylinder 7 with a discharge valve and a small diameter cylinder 8 with a suction valve, and is used in a known sprayer. A stem 10 is inserted upwardly into the cylinder 8 from a small diameter cylindrical piston which is vertically installed in the container body 1 by engaging the outward flange 9 attached to the upper end thereof and fitted into the cylinder so as to be vertically movable. is standing up. Further, a large-diameter piston is attached to the upper end of the stem, and the piston is fitted into a large-diameter cylinder 7 formed at the bottom of the liquid ejection head 11 so as to be able to move up and down. , due to the pressure difference based on the diameter difference between the large and small cylinders 7 and 8, the discharge valve provided in the large diameter cylinder 7 opens, and the liquid inside the large diameter cylinder 7 flows into the ejection hole 12.
It is designed to be sprayed from

The mounting cylinder 14 has a peripheral wall 17 vertically provided with a plurality of grooves 16 extending from the periphery of an inward flange-like wall 15 that sandwiches the above-mentioned outward flange 9 between the upper surface of the mouth and neck part 3. At the same time, a guide tube 18 is erected from the inner circumferential edge of the inward flange-like wall 15, an engagement groove 19 is provided on the outer surface of the upper part of the circumferential wall 17, and a second engagement protrusion is provided on the inner surface of the lower end of the circumferential wall 17. 20 is attached. In the state of the completed product as shown in FIG. 2, the second engagement protrusion is irremovably engaged with the lower surface of the first engagement protrusion 4 described above.

The mounting tube 22 has a cylindrical portion 23 in the engagement groove 19 described above.
The lower end of the cylindrical portion 23 is fitted into the upper outer surface of the above-mentioned peripheral wall 17 in such a manner that the lower end of the cylindrical portion 23 is removably engaged with the engaging protrusion 24 attached to the lower end thereof, and the inward flange 25 is attached to the upper end of the cylindrical portion 23. is attached. Furthermore, the partial length of the cylinder portion 23 from the upper surface of the engagement protrusion 24 to the lower surface of the inward flange 25 is formed to be approximately equal to the length between the upper and lower ends of the aforementioned peripheral wall 17, and by forcibly pressing down the mounting cylinder 22, The engaging protrusion 24 is connected to the aforementioned peripheral wall 1.
The cylindrical portion 2 is engaged with the lower end of 7 and is attached to the outer surface of the peripheral wall 17.
3, the first and second engaging protrusions 4 and 20 are formed to be engaged with each other in a manner that they cannot be removed. The engaging protrusion 24 is formed by folding back the lower end of the cylindrical portion 23 upward; however, as shown in FIG.
The lower end is made to protrude inward, and the protrusion is connected to the engagement protrusion 2.
It may be set to 4.

Note that 26 indicates packing.

"Effect of the invention" The present invention has the above-mentioned structure, and an engagement groove 19 provided on the outer surface of the upper part of the peripheral wall 17 of the mounting cylinder 14 is provided in the engagement groove 19 provided on the inner surface of the lower end of the cylindrical portion 23 of the mounting cylinder 22. Since the protrusion 24 is engaged and the lower part of the cylindrical part 23 is fitted to the upper outer surface of the peripheral wall 17, the container can be assembled with the mounting cylinder 22 temporarily positioned, and the mounting cylinder 23 can be assembled as in the conventional example described above. This is very convenient because the container can be assembled smoothly without any unnecessary vertical movement. In addition, the cylindrical portion 23
Since the engaging protrusion 24 attached to the inner surface of the lower end is formed to engage with the lower end of the peripheral wall 17, the mounting tube 22 can be easily attached without using a special machine, which is extremely advantageous in manufacturing.

[Brief explanation of the drawing]

Figures 1 and 2 are partial cross-sectional views of the main parts of the sprayer of the present invention. Figure 1 shows the container assembled, Figure 2 shows the finished product, and Figure 3 shows another example of the mounting tube. FIG. 14... Attachment tube, 22... Attachment tube.

Claims (1)

[Scope of utility model registration request] A container body 1 that erects the mouth and neck part 3, and the mouth and neck part 3
Then, the cylinder 8 with the suction valve is vertically installed in the container body 1 by engaging the outward flange 9 attached to the upper end, and the stem is moved upwardly from the piston fitted into the cylinder so as to be able to move vertically. From the periphery of the inward flange-like wall 15 that holds the outward flange 9 between the operating member 6, which has the liquid ejecting head 11 attached to the upper end of the stem, and the upper surface of the mouth and neck part 3, A peripheral wall 17 having a plurality of vertically arranged grooves 16 is provided vertically, a guide tube 18 is erected from the inner peripheral edge of the inward flange-like wall 15, and an engaging groove 19 is provided around the upper outer surface of the peripheral wall 17. The attached mounting cylinder 14 is removably engaged with the engagement protrusion 24 attached to the lower end of the cylinder part 23 in the engagement groove 19, and the lower part of the cylinder part 23 is pushed down onto the outer surface of the upper part of the peripheral wall 17. It consists of a metal mounting cylinder 22 that can be fitted together and has an inward flange 25 attached to the upper end of the cylindrical part 23. Above peripheral wall 1
The lengths between the upper and lower ends of 7 are formed to be approximately equal, and the cylindrical portion 23 is tightly fitted to the outer surface of the peripheral wall 17 by forcibly pressing down the mounting tube 22 on the outer surface of the upper end of the mouth and neck portion 3 and the inner surface of the lower end of the peripheral wall 17. A small sprayer characterized in that first and second engaging protrusions 4 and 20 are respectively attached, which can be engaged with each other in a manner that cannot be pulled out.