JPH07242278A - Injector - Google Patents

Abstract

PURPOSE:To ensure operability in use and also ensure the specific push stroke of an injection button, without increasing the size of an operation member in an injection which depresses the injection button via the operation member. CONSTITUTION:A pump 11 is attached to the mouth 10a of a container main body 10, and a cover 14 is placed over the pump 11. The cover 14 is cylindrical, radially forms notches 14a and 14b in its upper part on both sides, and integrates a turning member 15 on the side of the notch 14b by joining it with a thin connecting part 14c. The turning member 15 freely turns having the connecting part 14c as its fulcrum and is placed on an injection button 13 at its front end. On the turning member 15 is an operation member 16. The operation member 16 can turn on a fulcrum with its exerting part 16b in contact with the turning member 15 in its middle position, and is provided with a finger- hooking part 16c in a position which is further than the distance from the fulcrum to the exerting part 16b.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cosmetic or medicinal injector. More specifically, the present invention relates to an injector that ejects the contents in the container body from the nozzle of the injection button by pushing the injection button into the container body.

[0002]

2. Description of the Related Art Conventionally, for example, in a medicinal injector, FIG.
As shown in FIG. 3, some include an operation member 2 for pushing down the injection button 1. The operation member 2 has a fulcrum 2a.
It is rotatably provided around the
Is largely projected outward, and the action portion 2c is provided on the injection button 1.

When the contents are jetted, a finger is put on the finger rest 2b to rotate the operating member 2 clockwise around the fulcrum 2a, so that the action button 2c causes the jet button 1 to move. The contents in the container body (not shown) were discharged from the nozzle 1a by pushing down in the indicated direction.

[0004]

By the way, in order to secure the operability during use of the operating member 2 of such an injector and to secure a predetermined pushing stroke of the injection button,
When the distance from the fulcrum 2a to the finger rest 2b is A and the distance from the fulcrum 2a to the action portion 2c is B, the lever ratio A to B is increased. Therefore, in the conventional injector, there is a problem that the operation member 2 becomes large to take up space during packing, transportation, storage, etc., and also becomes an obstacle.

Therefore, an object of the present invention is to secure the operability during use and to secure a predetermined stroke of pushing the injection button without enlarging the operating member.

[0006]

The invention according to claim 1 has a container body 10 for storing contents and a nozzle 13a, and the container body 10 is provided with the container body 10 as shown in the following illustrated embodiments. The container body 10 is provided so as to project.
An injection button 13 that discharges the contents in the container body 10 from the nozzle 13a by pushing the inside, and a rotation that is rotatably provided around a fulcrum on the base end side and that pushes down the injection button 13 on the tip end side. The member 15 and the action portion 16b are provided at an intermediate position of the rotation member 15 so as to be rotatable about a fulcrum such as a support shaft 16a, and a finger hook portion is provided farther from the fulcrum to the action portion 16b. And an operating member 16 provided with 16c.

According to a second aspect of the present invention, for example, as shown in the following illustrated embodiment, in the injector according to the first aspect, the operating member 16 can be moved from the operating position to the storage position when not in use. It is characterized in that it is provided in.

The invention according to claim 3 is, for example, as shown in the following illustrated embodiment, a container body 1 for containing contents.
0 and a nozzle 13a, which is provided on the container body 10 so as to project therefrom, and which is pushed into the container body 10 to eject the contents in the container body 10 from the nozzle 13a, and the ejection button 13 A rotary member 20 for pushing the button 13 in, a non-use position in which the rotary member 20 is superposed on the rotary member 20 and stored, and an operating member 21 which is movably provided in a use position in which the rotary member 20 can be rotated by pulling it out. And are provided.

[0009]

According to the first aspect of the present invention, during use, the operating member 16 is rotated to rotate the rotating member 15, and the injection button 13 is pushed into the container body 10 so that the container body 10 is rotated. Nozzle 13a of button 13 for spraying contents in 10
Discharge from.

According to the second aspect, the operating member 16 is moved to the storage position after use.

According to the third aspect of the present invention, during use, the operating member 21 is moved from the non-use position to the use position, whereby the rotating member 20 is rotated, and the injection button 13 is moved to the container body 1.
It is pushed into 0 and the contents in the container body 10 are discharged from the nozzle 13a of the injection button 13. After the use, the operation member 21 is returned to the non-use position, and the operation member 21 is put on the rotating member 20 and stored.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a side view of a main part of a medicinal injector according to a first embodiment of the present invention when not in use, showing a cross section of a cover.

Reference numeral 10 in the drawing is a container body of the injector. The container body 10 has a slightly elongated cylindrical shape that can be grasped by one hand, and a storage chamber is provided inside (not shown).
A liquid medicine is stored in the storage chamber.

A pump 11 is provided at the mouth portion 10a of the container body 10. The pump 11 has a screw cap 12
While not shown, the cylinder and piston (not shown) are housed in the container body 10, while a jet pipe (not shown) is projected from the mouth 10a of the container body 10, and the jet button 13 is attached to the upper end of the jet pipe. The injection button 13
Has a nozzle 13a on the outer periphery of the upper part.

A cover 14 covers the upper portion of the pump 11. The cover 14 is made of a plastic material and integrally formed into a cylindrical shape. The upper part is formed to have a slightly smaller diameter, and notches 14a and 14b are provided on both sides in the radial direction, and the notches 14a and 14b are provided on both sides of each other. Opposing walls 14e facing each other are provided.

On the side where the notch 14b is provided, a turning member 15 is formed in the same body as the cover 14 by connecting through a thin connecting portion 14c. The rotating member 15 is formed in an arc shape that bulges upward and is rotatably provided with the connecting portion 14c as a fulcrum.

A laterally long engagement step portion 14d is formed on one of the opposing walls 14e so as to project inward.

Further, an operating member 16 is provided between the opposed walls 14e. The operation member 16 has a lever shape,
The support shafts 16a are provided on both sides of one end of the support shafts 16a so as to project outward, and the action portions 16b are provided so as to project in the middle.
To the acting portion 16b, a finger hook portion 16c is provided at the other end of the position farther away. The support shaft 16a is supported between the opposing walls 14e, and the support shaft 16a is rotatably provided with the support shaft 16a as a fulcrum so that the operation member 16 can be moved between a storage position shown in the drawing and an operation position described later.

When the cover 14 is put on the pump 11 as shown in the drawing, the lower end 14f is engaged under the screw cap 12 to prevent the lower end 14f from being easily removed from the pump 11, and the groove is formed. The ejection button 13 is projected into the inside of 14a, and the tip portion 15a of the rotating member 15 is placed on the ejection button 13.

Therefore, when the injector is not used, the operating member 16 is placed on the engagement step portion 14d and stored.

On the other hand, at the time of use, a finger is put on the finger-holding portion 16c, the operation member 16 is rotated clockwise around the support shaft 16a to move to the operating position shown by a chain line, and the rotating member 15 is rotated. The acting portion 16b is placed at a substantially intermediate position. Then, the operating member 16 is further rotated clockwise, and the rotating member 15 is pushed down as shown in FIG. At that time, the rotating member 15 is operated by the lever ratio of the operating member 16.
With a light force. Then, the rotating member 15 is rotated counterclockwise with the connecting portion 14c as a fulcrum, and the tip portion 1
The injection button 13 is pushed down at 5a. At that time, the rotating member 15 largely pushes the injection button 13 according to the lever ratio. Then, the pump 11 is operated to discharge the contents in the container body 10 from the nozzle 13 a of the injection button 13.

As described above, during use, the operating member 16 pushes down the turning member 15 with a light force according to the lever ratio, and the turning member 15 pushes the injection button 13 with a large stroke due to the lever ratio. The injection button 13 can be pushed largely without making the operation member 16 and the rotating member 15 large.

When the pressing force of the operating member 16 is released, the ejection button 13 is pushed up by a biasing member (not shown), and the turning member 15 is pushed up as the ejection button 13 is pushed up. After that, if necessary, the operation member 16 rotates counterclockwise about the support shaft 16a to move to the storage position, and then is stored on the engagement step portion 14d as shown in FIG.

In the illustrated embodiment, the rotating member 15 is
It is formed integrally with the cover 14. However, although not shown, the rotating member may be formed separately from the cover.

Next, FIG. 3 is a side view of the essential portion of the medicinal injector according to the third aspect of the invention when not in use, showing a cross section of the cover. This cosmetic injector uses a rotating member 20 and an operating member 21 configured as described below, instead of the rotating member 15 and the operating member 16 of the injector shown in FIG.

As shown in FIG. 4, the rotating member 20 has a flat plate portion 20a formed in a flat rectangular shape and a flat U-shaped notch 20b formed at the center of one end portion thereof. On both left and right sides of the flat plate portion 20a, working portions 20c are provided in parallel with each other by extending downward at right angles. Each action part 20c has a horizontally long guide hole 20d at the center, an outwardly protruding support shaft 20e at one end, and a bottom surface formed into an arc surface.

On the other hand, the operating member 21 is a slightly elongated plate-like member, and projects outwardly on both sides of the base end portion on the left side of the drawing so as to project outward.
1a is provided, and a finger-holding portion 21b is provided at the right end portion in the drawing.

Then, as shown in the figure, the guide shaft 2
After 1a is movably inserted into the guide hole 20d and the operating member 21 and the rotating member 20 are assembled, the supporting shaft 20e of the rotating member 20 is attached to the opposing wall 14e of the cover 14 as shown in FIG.
Rotatably attached to. Then, when the cover 14 is put on the pump 11 as shown in the drawing, the rotating member 20 is placed on the injection button 13.

Therefore, when the injector is used, the operating member 21 is pulled out from the unused position by pinching the finger hook 21b shown in FIG. Then, the guide shaft 21a is connected to the guide hole 2
When it is moved to the other side of 0d, the finger hook 21b is lifted and rotated counterclockwise around the guide shaft 21a. Then, as shown in FIG. 5, the proximal end side of the operating member 21 engages with the edge of the cutout 20b during the rotation thereof. Therefore, when the finger hook portion 21b is further pushed to rotate the operation member 21 as shown in FIG. 6, the rotating member 20 is rotated counterclockwise about the support shaft 20e with a light force due to the lever ratio to eject the injection button. Push down 13.

After using the injector, the operating member 21
Is rotated clockwise around the guide shaft 21a while holding the finger-holding portion 21b, and when it is substantially in line with the rotating member 20, it is pushed back to the unused position. And FIG.
As shown in FIG.
The flat plate portion 20a is stacked and stored.

As described above, at the time of use, since the operating member 21 is pulled out from the rotating member 20 to the use position and the rotating member 20 is rotated, the rotating member 20 is rotated largely by a light force due to the lever ratio. Can move. On the other hand, after use, the operating member 21 is returned to the non-use position, and is housed by being superposed on the rotating member 20.
Does not occupy a lot of space when packing, transporting, or storing, and does not interfere with scratching.

[0032]

As described above, according to the first aspect of the present invention, when used, the operating member is rotated to rotate the rotating member. Therefore, the lever ratio of the operating member causes a lighter force. The rotating member can be rotated, the injection button can be largely pushed in according to the lever ratio of the rotating member, and the operability can be ensured even if the operating member and the rotating member are not made large. The push stroke of the button can be secured. In addition, during packaging, transportation, storage, etc., the rotating member and the operating member do not occupy a space, do not get in the way, and there is no risk of scratching them.

According to the second aspect of the present invention, since the operating member is moved to the storage position when it is not used, it is possible to further ensure that the operating member does not get in the way.

According to the invention of claim 3, when in use,
Since the operating member is moved from the non-use position to the use position and the turning member is turned, the injection button can be largely pushed in with a light force, operability can be secured, and the ejection button pushing stroke Can be secured. Also, after use, the operating member is returned to the unused position and is stored by stacking it on the rotating member.
During storage, the rotating member and the operating member do not take up space, do not get in the way, and there is no risk of scratching them.

[Brief description of drawings]

FIG. 1 is a side view of an essential part of an injector according to a first embodiment of the invention when not in use, showing a cross section of a cover thereof.

FIG. 2 is a side view showing a state when the injection button is pushed down.

FIG. 3 is a side view of an essential portion of the injector according to the third aspect of the invention when not in use, showing a cross section of the cover.

FIG. 4 is an enlarged perspective view of the assembly of the rotating member and the operating member of the injector.

FIG. 5 is an enlarged perspective view of the operating member and the rotating member when the operating member is in a use position.

FIG. 6 is a side view showing a state when the injection button is pushed down.

FIG. 7 is a schematic configuration diagram of an injection button and an operation member when the conventional injector is not used.

[Explanation of symbols]

 10 Container Main Body 13 Jet Button 13a Nozzle 15 Rotating Member 16 Operating Member 16a Support Shaft 16b Working Part 16c Finger Hook 20 Rotating Member 21 Operating Member

Claims (3)

[Claims] 1. A container body for accommodating contents, and a nozzle, provided on the container body so as to project therefrom,
An injection button for discharging the content in the container body from the nozzle by pushing the container body into the container body, and a rotating member provided so as to be rotatable around a fulcrum on the base end side and pushing down the injection button on the tip end side. And an operation member which is provided so as to be rotatable about a fulcrum by contacting the action portion at an intermediate position of the rotation member, and which is provided with a finger-holding portion at a position farther from the fulcrum to the action portion. Injector. 2. The injector according to claim 1, wherein the operating member is provided so as to be movable from the working position to the storage position when not in use. 3. A container body for accommodating contents, and a nozzle, provided on the container body so as to project therefrom,
An injection button for ejecting the contents in the container body from the nozzle by pushing the container body into the container body, a rotating member for pressing the injection button, and an unused position where the container is superposed on the rotating member for storage. An operating member, which is movably provided in a use position where the rotating member is pulled out and can rotate the rotating member, and an injector.