JPH0623297Y2 - Injection amount adjustment mechanism of automatic injection device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to the field of an injection amount adjusting mechanism of an automatic injection device.

[Prior Art] As a conventional injection amount adjusting mechanism of an automatic injection device, there is Japanese Patent Application No. 1-223903 filed by the present applicant.

[Problems to be Solved by the Invention] In the conventional automatic injection device, a small amount of perfume or the like is injected every predetermined time while the plunger receiver is slightly rotated by pinching a finger and filling the container, or the injection is performed. Although it was a mechanism to stop, the micro injection mechanism that constitutes an automatic injection device and injects a small amount of perfume, etc. is a fine particulate substance that is mixed with a liquid such as perfume during long-term use. Was adhered to and clumped on each member constituting the automatic injection device, which sometimes caused the automatic injection of perfume or the like to not be performed smoothly.

However, according to the present invention, the automatic injection mechanism set in advance is processed by the turning operation of the lever without performing the opening / closing operation of the injection mechanism by manual adjustment, and the automatic injection of a predetermined minute amount of perfume or the like is performed for a long period of time. It is the one that

[Means for Solving the Problems] The present invention is directed to an opening for inserting an automatic injection device upward, a hole for inserting an operating portion of a lever, a hook portion for inserting a collar portion above a container, and an upper portion. A skirt portion having a stopper formed at a predetermined interval is separately provided on the back surface portion, and a projection is provided on the bottom portion of the automatic injection device that is fitted into an injection nozzle for injecting the perfume or the like being filled into the container, and A receiving plate having a projecting portion on the outer peripheral edge, a lever having a fitting insertion hole inside and having concave portions at predetermined intervals are separately provided, and the operating portion of the lever is projected from the hole portion of the skirt portion. Insert the lever into the skirt,
Insert the injection device into the fitting hole of the lever through the opening at the bottom of the skirt, insert the protruding part of the receiving plate between the stoppers, insert the bottom of the injection device into the injection nozzle, and insert the skirt of the container into the container. It is an injection amount adjusting mechanism of an automatic injection device, which is assembled by being locked to a collar portion.

[Operation] The operation of the present invention will be described below.

First, in order to stop the automatic injection of the fragrance or the like filled in the container, the operation portion of the lever is slightly rotated. At that time, the projection on the receiving plate that is being fixed is fitted into the recess formed in the lever, and the bottom of the automatic injection device releases the pressing of the injection nozzle. The above state is the mechanical state (FIG. 1) in which the automatic injection of the fragrance or the like is stopped.

On the other hand, contrary to the above, when the fragrance or the like filled in the container is automatically jetted, the operating portion of the lever is rotated in a predetermined direction. At that time, since the projection that fits into the recess formed in the lever holds the fixed position in proportion because the receiving plate is fixed, only the lever rotates and the other parts than the recess of the lever are rotated. At the same time when it comes into contact with the bottom part of the, the receiving plate presses the spray nozzle downward to spray the fragrance. A small amount of the sprinkled fragrance or the like is jetted, filled in the fitting portion below the plunger, and automatically jetted through a predetermined process.

When the lever is operated as described above, the receiving plate does not move due to the protruding portion interposed between the stoppers provided on the skirt portion.

[Example] An example of the implementation of the present invention is as follows.

1 is a container in which a fragrance or the like is mixed and filled with a pressurized gas,
2 is a collar part above the container 1, and 3 is an injection nozzle. A skirt portion 4 has the following structure. That is, the opening 5 into which the automatic injection device a is fitted is formed above. Further, a hole portion 9 into which the operating portion 8 of the lever 7 is fitted above the side wall portion 6.
And a hook portion 1 that is fitted into the collar portion 2 on the inner surface of the lower portion.
Form 0. Reference numeral 11 is a lower opening portion, and 12 is a stopper formed at a predetermined interval above the inner side surface. The synthetic resin skirt portion 4 is configured as described above. Reference numeral 13 denotes a receiving plate which is located below and constitutes the automatic injection device a, and a projecting portion 14 is formed on the outer peripheral edge of the receiving plate 13 and a projection 15 is formed on the surface thereof. And the above-mentioned protrusion 14 is the stopper 1
Interpose between 2 and fix. A plurality of protrusions 15 are usually formed at predetermined intervals. The lever 7 has a circular insertion hole 17 into which the automatic injection device a can be inserted, and the projection 15 of the receiving plate 13 can be inserted into and removed from the recessed portion 1.
Have eight.

Next, the lever 7 is fitted and inserted through the opening 11 below the skirt portion 4, and the operating portion 8 is projected from the hole 9. After that, the automatic injection device a is fitted into the fitting hole 17 of the lever 7 and the opening 5 of the skirt portion 4 to pop out. And stopper 12
When the protrusion 14 of the receiving plate 13 is interposed therebetween, the receiving plate 13 is prevented from moving. Further, the bottom portion of the receiving plate 13 is fitted into the injection nozzle 3, and the hook portion 10 of the skirt portion 4 is engaged with the collar portion 2 of the container 1 to assemble. The above is the gist of the configuration of the present invention.

Further, the configuration of the automatic injection device a will be described below.

A step portion 21 and a through hole 22 are formed in the center of the receiving plate 13.
Reference numeral 23 is an injection adjusting portion which is slightly projected from the bottom portion 24 and which has a communication hole 25 communicating with the through hole 22 and a bottomed storage portion 26. Then, the packing 27 is inserted into the storage part 26, and the storage part 2 is formed on the bottom part 24 of the injection adjusting part 23.
6 is inserted and screwed between the receiving plate 13 and the injection adjusting portion 23.
To fix. Reference numeral 29 denotes a washer having a hole 30 to be inserted into the storage portion 26. A plate 32 having a small hole 31 formed above the washer 29, a plate 32 ′ having no small hole 32 ... I'll store it.
There are various combinations of uses for the washer 29 and the plates 32, 32 '. That is, two washers 29 and plates 32 may be combined, a washer 29 and a plurality of plates 32 and 32 'may be combined, or a plurality of plates 32 and 32' may be combined. 33 is a plunger receiver having the following structure. It has a protruding portion 35 which is fitted and inserted in the storage portion 26 in the center and has a small diameter injection hole 34 in the center, and a large diameter storage portion 36 which communicates with the injection hole 34. Numeral 38 is an outer protrusion located outside the protrusion 35 and fitted to the injection adjusting portion 23, and 37 is an upper protrusion. Reference numeral 39 denotes a fitting insertion portion formed above the large-diameter storage portion 36 and surrounded by the upper protruding portion 37, and 40 denotes an O-ring fitted outside the protruding portion 35. In order to assemble the plunger receiver 33 and the injection adjusting portion 23 having the above-described configurations, the protrusion 35 is fitted into the bottomed storage portion 26 of the injection adjusting portion 23 as shown in the drawings,
The outer protruding portion 38 is screwed into the adjusting portion 23. The spring 41 and the pin 42 inserted in the spring 41 are inserted into the storage portion 36, and the head of the pin 42 is slightly protruded from the hole 44 of the cover 43 so that the cover 4
3 is fitted into the storage section 36. Reference numeral 45 denotes a plunger having a through hole 46 in the center, a convex portion 47 communicating with the through hole 46 on the upper surface, and having durability and elasticity to withstand a solvent as a material. The projecting portion 47 and the outer peripheral edge portion 48 are slightly bulged outward. The plunger 45 configured as described above is housed in the fitting insertion portion 39 of the plunger receiver 33, and the head of the pin 42 is fixed to the plunger 45.
It assembles by inserting it into the through hole 46 of. 49 is a spring receiver having a through hole 50 at the center and a recess 50 'at the bottom. The spring 5 is provided outside the spring receiver 49.
Insert 1. 52 is a plunger stopper having a top wall portion 53 and a hollow portion 54. The above-mentioned spring 51 is always stopped by the top wall 53, and the plunger 45
The plunger receiver 33 and the plunger stopper 52 are fitted to each other so that the outer peripheral edge portion 48 is fixed.

[Effect] The following effects of the present invention are achieved.

When the operating part of the lever is slightly rotated to the left or right, for example, to the right, the projection formed on the receiving plate fits into the recess formed on the lever and pushes the injection nozzle upward. Due to this pushing up, the automatic injection of the fragrance etc. filled in the container is not performed, and when the operating part of the lever is slightly rotated to the left, the projection that was fitted in the recess is In the process of detaching, the receiving plate gradually presses the jet nozzle downward in the process of detaching to change the state from the stopped state to the jetted state, which is different from the conventional fine adjustment of the jetting device. Thus, there is an advantage that the opening and closing of the injection nozzle can be adjusted very reliably and easily by operating the lever.

[Brief description of drawings]

FIG. 1 is a vertical sectional front view of the automatic injection device of the present invention in a state where the injection of the injection amount adjusting mechanism is stopped, FIG. 2 is a vertical sectional front view of the automatic injection device in which the injection is being performed, and FIG. FIG. 4 is a perspective view of the same apparatus, and FIG. 4 is a perspective view of the same apparatus before assembly. a: Automatic injection device, 1 ... container, 2 ... collar part, 3 ...
Injection nozzle, 4 ... skirt, 5 ... opening, 6 ...
Side wall part, 7 ... Lever, 8 ... Operating part, 9 ... Hole part, 1
0 ... Hooking part, 11 ... Opening part, 12 ... Stopper, 13 ... Support plate, 14 ... Projection part, 15 ... Projection, 1
7 ... Fitting hole, 18 ... Recessed portion, 21 ... Stepped portion, 22, 2
5, 46, 50 ... through hole, 23 ... injection adjusting part, 24
...... Bottom part, 26, 36 …… Storing part, 27 …… Packing,
28 ... Screws, 29 ... Washers, 30, 44 ...
Hole, 31 ... Small hole, 32, 32 '... Plate, 33 ...
... Plunger receiver, 34 ... Injection hole, 35 ... Projection part, 37 ... Upper projection part, 38 ... Outer projection part, 39 ...
... Fitting insertion part, 40 ... O-ring, 41, 51 ... Spring, 42 ... Pin, 43 ... Cover, 45 ... Plunger, 47 ... Projection, 48 ... Outer peripheral part, 49 ... Spring receiver, 50 '... Recessed portion, 52 ... Plunger stop, 53 ... Top wall portion, 54 ... Hollow portion.

Claims (1)

[Scope of utility model registration request] 1. An opening for inserting an automatic injection device upward, a hole for inserting an operating portion of a lever, a hooking portion for fitting in a flange portion above a container, and a predetermined gap on the upper back surface. A separate skirt portion having a stopper formed as a base is provided, and a projection is provided at the bottom of an automatic injection device that is fitted into an injection nozzle that injects the perfume or the like that is being filled into the container, and a projection portion is provided at the outer peripheral edge. The plate is provided with a separate insertion lever having recesses at predetermined intervals, and the lever is inserted into the skirt so that the operating portion of the lever projects from the hole in the skirt. Insert the injection device into the fitting hole of the lever through the opening at the bottom of the skirt, insert the protruding part of the receiving plate between the stoppers, insert the bottom of the injection device into the injection nozzle, and insert the skirt of the container into the container. An automatic injection device characterized by being assembled by being locked to a collar part Injection amount adjusting mechanism.