JP2001232273A - Knock type liquid container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a knock type liquid container, capable of supplying liquid forward by a knocking operation. SOLUTION: This knock type liquid container 10 is provided with a tank 12 housing a liquid L, a tip member 14 fixed on the tip end of the tank 12, a piston 22 capable of slidably moving in the tank 12, a screw shaft 24, which is integrally connected with the piston 22 and extended backward, and on the peripheral surface of which an external thread 24a is formed, a rotating cam 26 on which an internal thread hole 26c screwed with the external thread 24a of the screw shaft 24, a knock cam 28 disposed behind the rotating cam 26 to rotate the rotating cam 26, and a knocking body 30, which is repulsed backward with respect to the knock cam 28 to enable the knocking operation. On the side surface of the knock body 30, an inclined groove 30 inclining in the axial direction is formed. A projection 28a formed on the outside surface of the knock cam 28 is fitted into the inclined groove 30a, enabling the projection 28a to move in the inclined groove 30a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a knock-type liquid container which contains a liquid such as a cosmetic ink or a correction liquid, and has a tip application body for applying the liquid at the tip thereof.

[0002]

2. Description of the Related Art As a conventional container for accommodating a cosmetic liquid, for example, there is a container described in Japanese Utility Model Publication No. 51-1985. The liquid container described in this publication is provided with an ink occluding body filled with high-viscosity cosmetic ink inside the main body, a pressing plate abutting the ink occluding body, and a screw rod fixed to the pressing plate. I have. The screw rod is screwed into a screw hole provided on a shaft fixed to a rotating portion at the rear of the main body.
A floating clutch is fitted on the shaft. The floating clutch rotates integrally with the rotating portion, and slides in the axial direction against the elastic force of the spring when rotating. Has become. A fixed clutch is fixed to the main body in opposition to the idle clutch, and the fixed clutch regulates the idle clutch so that it can always rotate in only one direction.

When the rotating portion is rotated in one direction, the idle clutch ticks against the fixed clutch while sliding back and forth in the axial direction against the resilience of the spring, and makes a sound for each tooth of the fixed clutch. And rotate. Also, since the shaft integral with the rotating portion also rotates, the screw threaded to the shaft moves forward, the pressing plate at the tip of the screw presses the ink occluding body, and the decorative ink flows out forward. It has become.

[0004]

However, in such a conventional liquid container, the cosmetic liquid is caused to flow forward by a rotating operation. Therefore, during the operation, a hand that normally presses the main body, 2 with hand to rotate the rotating part
There is a problem that one hand is required and the operation is troublesome. Further, there is also a problem that the operation is difficult because it is not apparent at first glance which direction to rotate.

The present invention has been made in view of the above problems, and has as its object to provide a knock-type liquid container which can supply a liquid forward by a knocking operation.

[0006]

According to a first aspect of the present invention, there is provided a knock-type liquid container for storing a liquid, the tank having a supply port at a distal end, , A screw shaft that is integrally connected to the piston, extends rearward, has a male screw formed on the peripheral surface, and is unable to rotate relative to the tank. A rotating cam having a female screw hole formed therein, a knocking cam located behind the rotating cam and rotating the rotating cam in one direction, and a knocking body which is repelled rearward with respect to the knocking cam to enable knocking operation. And a projection is formed on one of the knock body and the knock cam,
On the other side, a slope is formed which is inclined in the axial direction and in which the protrusion is fitted, and the knock cam rotates by the knocking operation of the knock body, and the rotary cam rotates. When the knock body is knocked, the protrusion formed on one of the knock body and the knock cam moves along the inclined path formed on the other, and the knock cam rotates to rotate the rotary cam. Thus, the screw shaft screwed into the rotating cam and unable to rotate moves forward, the piston can slide in the tank, and the liquid in the tank can be supplied to the front. By the cooperative operation of the ramp and the projection fitted into the ramp, the knocking operation of the knocking body is converted into the rotation of the knocking cam, so that the operation can be performed reliably and stably.

According to a second aspect of the present invention, the knock cam according to the first aspect has a saw tooth at a front end thereof, and a rear end of the rotary cam has a saw tooth meshing with the saw tooth of the knock cam. The engagement between the saw teeth of the knock cam and the saw teeth of the rotary cam allows the rotary cam to follow only one direction of rotation of the knock cam. With respect to the rotation of the knock cam in the other direction, the slopes of the saw teeth slide against each other, so that the rotation is not transmitted to the rotary cam.

According to a third aspect of the present invention, there is provided a ratchet member through which a screw shaft penetrates in front of the rotary cam according to the second aspect, and a front end of the rotary cam has a direction opposite to a saw tooth formed at the rear end. Are formed on the ratchet member, and the ratchet member is formed with ratchet teeth that can be engaged with the saw teeth formed at the front end of the rotary cam and that can protrude and retract in the axial direction. Features. The slopes of the saw teeth of the rotating cam and the ratchet teeth of the ratchet member slide against each other, so that the rotating cam can follow only one direction of rotation of the knock cam. Further, with respect to the rotation of the knock cam in the other direction, the saw teeth of the rotating cam and the ratchet teeth of the ratchet member mesh with each other, so that the rotation cam can be reliably prevented from rotating. According to a fourth aspect of the present invention, a tail plug is fixed to the rear end of the tank according to the third aspect, and the ratchet member, the rotating cam, and the knock cam are housed in the tail plug and formed in a knock body. An elastic claw is slidably fitted into a window hole formed on the peripheral surface of the tail plug, and a ratchet member, a rotating cam, a knock cam, a screw shaft and a knock body are incorporated into the tail plug, and the tank is fitted with the tail plug. It is characterized by being attached. Since the ratchet member, the rotating cam, the knock cam, the screw shaft, and the knocking body can be previously incorporated into the tail plug and attached to the tank together with the tail plug, the assembling work can be easily performed.

According to a fifth aspect of the present invention, there is provided a knocking type liquid container which stores a liquid and has a supply port at a front end side, a piston which slides in the tank, and which is integrally connected with the piston to a rear side. A screw shaft that is elongated and has a male screw formed on the peripheral surface and cannot rotate relatively to the tank, and a rotary cam having a female screw hole formed to be screwed into the male screw of the screw shaft,
A knocking body that is located behind the rotating cam and rotates the rotating cam in one direction, a saw-shaped step surface is formed on the rear surface of the rotating cam, and the knocking body has a front end at the front end. An elastically deformable leg that can be engaged with the step surface of the rotating cam is formed, and the knocking operation of the knock body causes the leg to engage with the step surface of the rotating cam and rotate the rotating cam. . When the knocking body is knocked, the elastically deformable legs of the knocking body are deformed while engaging with the step surface of the rotating cam and pushing the step surface to rotate the rotating cam. Thus, the screw shaft screwed into the rotating cam and unable to rotate moves forward, the piston can slide in the tank, and the liquid in the tank can be supplied to the front. Since the rotary cam is directly rotated by the knocking body, the number of parts can be reduced and the manufacturing can be performed at low cost.

According to a sixth aspect of the present invention, there is provided a ratchet member having a screw shaft passing therethrough in front of the rotary cam according to the fifth aspect, and a saw-shaped step formed on the rear surface at the front end of the rotary cam. Saw teeth that are opposite to the surface are formed,
The ratchet member is formed with ratchet teeth that can mesh with saw teeth formed at the front end of the rotary cam and that can be protruded and retracted in the axial direction.
The inclined surfaces of the saw teeth of the rotating cam and the ratchet teeth of the ratchet member slide with each other, so that the rotating cam can follow only one direction of rotation of the knocking body. Even if a force for rotating the rotating cam in the other direction acts, the saw teeth of the rotating cam and the ratchet teeth of the ratchet member mesh with each other, so that the rotating cam can be reliably prevented from rotating.

[0011]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 to FIG. 7 are views showing a first embodiment of the present invention.

In FIG. 1, reference numeral 10 denotes a knock-type liquid container. The knock-type liquid container 10 accommodates a liquid L such as a correction liquid or a cosmetic ink, and has a liquid supply port 12 at its tip.
b, a tip 14 fixed to the tip of the tank 12, a pipe holder 16 fixed to the rear of the tip 14, a tip pipe 18 fixed to the tip of the pipe holder 16, A brush (tip application body) 20 in which the tip of the pipe 18 is inserted into its base and the base is fixed in the tip 14, a piston 22 slidable in the tank 12, and the piston 22 integrally. A screw shaft 24 that is connected, extends rearward, and has a male screw 24a formed on the peripheral surface.
Female screw hole 26 screwed into male screw 24a of screw shaft 24
c, a ratchet member 27 fixed in the tank 12 in front of the rotary cam 26 and through which the screw shaft 24 passes, and a rotary cam 2
Cam 28, which can rotate the container 6, and the knock-type liquid container 1
Knock body 3 that can be knocked at the rear of 0
0, a knock spring 32 inserted between the knock cam 28 and the knock body 30 to repel the knock body 30 rearward.
And a tail plug 34 fixed to the rear end of the tank 12. A cap 36 that protects the brush 20 when not in use is detachably attached to the tip of the tank 12.

A longitudinal rib 3 extending in the axial direction is provided on the knock body 30.
0c is formed, the vertical rib 30c is fitted into a groove 34a formed in the tail plug 34, and the knock body 30 is
4 and the tank 12 cannot rotate relatively.

Further, as shown in FIG. 2, an inclined groove 30a inclined in the axial direction is formed on the side surface of the knock body 30, and a projection 28a formed on the outer surface of the knock cam 28 is formed in the inclined groove 30a. The inclined groove 3
The protrusion 28a is movable in the position 0a. In the knock body 30, a guide groove 30b for introducing the projection 28a into the inclined groove 30a is formed continuously to the inclined groove 30a.

A saw tooth 28 b is formed at the front end of the knock cam 28, and the saw tooth 28 b can mesh with a saw tooth 26 a formed at the rear end of the rotary cam 26.
Further, at the front end of the rotary cam 26, a saw tooth 26b having a direction opposite to the saw tooth 26a formed at the rear end is formed. The saw teeth 26b are formed at the rear end of the ratchet member 27, and can mesh with the ratchet teeth 27a which are elastically deformable in the axial direction by the L-shaped slits 27d and are able to appear and disappear.

As shown in FIG. 2, the screw shaft 24 has a non-circular cross section, an oval shape in this embodiment, and the ratchet member 27 has an oval shape matching the cross sectional shape of the screw shaft 24. An inner cylindrical portion 27b having a central hole having a shape is formed. As shown in FIG. 3, when the screw shaft 24 penetrates through the inner cylindrical portion 27 b, the screw shaft 24 cannot rotate relatively to the ratchet member 27. Further, a part of the outer peripheral surface of the ratchet member 27 is a polygonal outer peripheral surface 27c, which is fitted in a polygonal hole 12c formed in a part of the inner peripheral surface of the tank 12, so that the ratchet member 27 12 cannot rotate. As a result, the screw shaft 24 cannot rotate relative to the tank 12. Ratchet member 2
7 is in contact with the inner step surface 12 a of the tank 12 and is fixed to the tank 12.

The above-described knock type liquid container 10 can be assembled in the following manner.

First, a knock spring 3 is attached to the knock body 30.
2 and the projection 28a of the knock cam 28 is
0 and inserted into the inclined groove 30a. By the action of the knock spring 32, the knock cam 2
The projection 28a of No. 8 is always at the tip of the inclined groove 30a. The tip of the inclined groove 30a is positioned slightly forward of the intersection with the guide groove 30b, so that the protrusion 28a can be prevented from jumping out of the guide groove 30b. Thus, a knock unit is produced.

Further, the front end of the screw shaft 24 is press-fitted into the piston 22, the ratchet member 27 is inserted from the rear end of the screw shaft 24, and the rotary cam 26 is further screwed in, thereby producing a piston unit.

Next, the piston unit is inserted into the tank 12 from the rear end opening, the polygonal outer peripheral surface 27c of the ratchet member 27 is fitted into the polygonal hole 12c of the tank 12, and the ratchet member 27 is inserted into the tank 12. Push the knock unit until it comes into contact with the step surface 12a, then insert the knock unit from the rear end of the screw shaft 24 so that the screw shaft 24 passes through the knock cam 28, and then through the tail plug 34 from above the knock body 30. The tank 12 and the tail plug 34 are fixed.

Further, the pipe 1 is attached to the pipe holder 16.
8 is press-fitted and set. Then, a cover 38 for protecting the tip of the brush 20 is attached to the tip 14, the brush 20 is inserted from the rear end of the tip 14, and the set prepared as described above is inserted while passing through the hole opened in the center of the brush 20. Then, it is press-fitted and fixed to the leading tool 14 to produce a leading tool unit.

Finally, after injecting the liquid L from the tip end of the tank 12, the preceding unit is press-fitted and fixed in the tank 12 and covered with a cap 36 to complete the operation.

When using the knock-type liquid container 10 configured as described above, the cap 36 is removed and the application is performed using the brush 20, but when it is desired to further supply the liquid from the brush 20, the knock body 30 is used. Knock.

In FIGS. 2 and 5, when the knock body 30 is knocked and advances, the knock cam 28 cannot advance, so that the projection 28a of the knock cam 28 moves along the inclined groove 30a of the knock body 30, and the knock cam 28 2 and in the direction of the arrow in FIG. Saw tooth 28 of knock cam 28
Since the tooth b and the saw teeth 26a of the rotating cam 26 are engaged with each other, the rotation of the knock cam 28 causes the rotating cam 26 to rotate in the same direction. At this time, the rotating cam 26 has its sawtooth 2
6b slides on the slope of the ratchet teeth 27a of the ratchet member 27 so that the ratchet teeth 27a protrude and retract, and rotate.

When the rotary cam 26 rotates in the above direction, the screw shaft 24 screwed with the rotary cam 26 advances because the rotation is restricted by the ratchet member 27, and pushes out the piston 22. As a result, the liquid L in the tank 12 is pushed by the piston 22, passes through the tip pipe 18, is supplied from the tip of the brush 20, and can be used.

When the knocking force on the knocking body 30 is released, the knocking body 30 returns to the rear by the urging force of the knocking spring 32, and the projection 28a of the knock cam 28 is moved to the knocking body 30.
The knock cam 28 rotates in the direction opposite to the arrow in FIGS. 2 and 5 along the inclined groove 30a of FIG. However, the saw teeth 26 b of the rotating cam 26 mesh with the ratchet teeth 27 a of the ratchet member 27 and cannot rotate. Therefore, the knock cam 28 rotates with respect to the rotary cam 26 while the slope of the saw tooth 28b and the slope of the saw tooth 26a of the rotary cam 26 slide with each other, and returns to the original state.

The rotary cam 26 is regulated by the ratchet member 27 and the knock cam 28 so that it always rotates only in one direction. Therefore, every time the knock body 30 is knocked, the rotary cam 26 is moved by a predetermined amount in one direction. And the screw shaft 24 screwed into the female screw hole 26c of the rotating cam 26 is advanced by a predetermined amount to push the piston 22 forward. FIG. 6 shows a state in which the knock body 30 is knocked with the piston 22 advanced, and FIG. 7 shows a state in which the knock of the knock body 30 is released with the piston 22 advanced. Thus, in response to the decrease due to the use of the liquid L, the piston 22
Go forward within 2.

As described above, according to the present embodiment, the liquid L can be supplied from the tip by the knocking operation of the knocking body 30, so that the operation can be performed by one hand and the operability is improved. Become. Further, since the knocking operation is converted into the rotation operation by the inclined groove 30a of the knocking body 30 and the projection 28a of the knocking cam 28, the operation can be performed reliably and stably. It is also possible to form an inclined groove on the knock cam 28 and a projection on the knock body 30 capable of moving the inclined groove.

FIG. 8 is a diagram showing a second embodiment of the present invention. In the drawings, the same members as those of the previous embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.

The knock type liquid container 10 'of this embodiment
Has a tank 12 'in which the liquid L is stored and which has a supply port 12'b on the tip side, and a rotary cam 26' having a female screw hole 26'c which is screwed into a male screw 24a of the screw shaft 24. A ratchet member 27 is provided at the front end of the rotating cam 26 '.
Are formed at the rear end of the rotary cam 26 ', and a large number of stepped surfaces 26'd are formed at the rear end of the rotating cam 26'. The direction of the saw step on the step surface 26'd is opposite to that of the saw tooth 26'b. Further, behind the rotating cam 26 ', a knocking body 30' that can rotate the rotating cam 26 ', and a rotating cam 26'
A knock spring 32 ′ inserted between the knock body 30 ′ and the knock body 30 ′ to repel the knock body 30 ′ rearward;
It has a tail plug 34 'fixed to the rear end of 2'.

The knocking body 30 'has two elastically deformable legs 30'a at the front end as shown in FIG. 9. The legs 30'a are inclined in the natural state with respect to the axial direction. And
A cutout portion 30'b and a relief portion 30'd are formed at the base thereof, and the cutout portion 30'b is deformed and the leg 30'a falls toward the relief portion 30'd, so that the leg 30'a Can be elastically deformed so as to change the inclination angle. Leg 3
The tip of 0'a is sharply pointed and abuts any one of the step surfaces 26'd of the rotating cam 26 '. A vertical rib 30 ′ c is formed on the knock body 30 ′, and the tail plug 3 ′ is formed.
4 ′, the knock body 3 is fitted.
0 'is not rotatable relative to the tail plug 34' and the tank 12 '.

The assembling of the above-mentioned knock type liquid container 10 'is basically the same as that of the first embodiment, but different points will be mainly described.

A piston unit is manufactured in the same manner as in the first embodiment, the piston unit is inserted into the tank 12 'from the rear end port, and the ratchet member 27 is connected to the inner surface 1 of the tank 12'.
2'a until it touches, then knock body 3
Insert the knock spring 32 'into the screw shaft 24'
The knock body 30 'is inserted from the rear end of the
The tank 12 'and the tail plug 34' are fixed through the tail plug 34 'from above 0'.

Further, the leading unit manufactured in the same manner as in the first embodiment is press-fitted and fixed in the tank 12 ', and is completed by covering with the cap 36.

When using the knock-type liquid container 10 'constructed as described above, the cap 36 is removed and the application is performed using the brush 20, but when it is desired to further supply the liquid L from the brush 20, the knock-type liquid container 10' is used. Knock body 30 '.

As shown in FIG. 10, when the knock body 30 'is knocked and moves forward, the two legs 3 of the knock body 30'
0′a and 30′a move so as to fall in the radial direction (FIG. 10 (b)), and engage with any one of the plurality of step surfaces 26′d of the rotating cam 26 ′, and Press 26'd,
The rotating cam 26 'is rotated. The subsequent operation is the same as that of the first embodiment.
2 is pushed, and the liquid L is supplied from the tip of the brush 20 and used.

When the knocking force of the knocking body 30 'is released, the knocking body 30' returns to the rear by the urging force of the knocking spring 32 ', and the leg 30'a of the knocking body 30' returns to its original inclination due to its elastic restoring force. Return to state.

As described above, this embodiment has the same effect as that of the first embodiment, and has the additional effect that the number of parts can be reduced as compared with the first embodiment. .

Next, FIG. 11 is a diagram showing a third embodiment of the present invention. In the drawings, the same members as those of the first embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.

The knock-type liquid container 10 "of this embodiment
Is basically similar in configuration to the container 10 of the first embodiment, and therefore, points different from the first embodiment will be mainly described.

The rotary cam 2 of the knock type liquid container 10 ″
The 6 ", ratchet member 27" and knock cam 28 "are housed in a tail plug 34", and the tail plug 34 "
2 ". Optionally, instead of press-fitting, the tail plug 34" can be fixed to the tank 12 "by screwing. The tail plug 34" is formed with a window hole 34 "a. An elastic claw 30 "c formed on the knock body 30" is slidably inserted into the window hole 34 "a. The elastic claw 30 "c can be elastically displaced in the inner diameter direction by a slit formed around the elastic claw 30" c, and can be inserted into the window hole 34 "a at the time of assembly using this elastic displacement. A vertical rib 27 "e is formed on the outer surface of the ratchet member 27", and the vertical rib 27 "e fits into a groove 34" b formed inside the tail plug 34 ", whereby the ratchet member 27" is formed. Is not rotatable relative to the tail plug 34 "and thus the tank 12". The rotating cam 26 "
Female screw hole 26 "c screwed into male screw 24a of screw shaft 24
The ratchet member 27 ″ has an oval central hole 27 ″ that matches the cross-sectional shape of the screw shaft 24.
It is similar to the first embodiment having b. Also,
A saw tooth 28 "b is formed at the front end of the knock cam 28", and the saw tooth 28 "b can mesh with a saw tooth 26" a formed at the rear end of the rotary cam 26 ".
At the front end of the rotary cam 26 ", a saw tooth 2 formed at the rear end is provided.
A saw tooth 26 "b is formed in the opposite direction to 6" a. Further, the saw tooth 26 "b is
A ratchet tooth 2 formed at the rear end of the 7 "and elastically deformable in the axial direction by the L-shaped slit 27" d so as to be able to protrude and retract.
It is also possible to engage with 7 "a as in the first embodiment. The knocking body 30" has an inclined groove 30 ".
a is formed, and a projection (not shown) of the knock cam 28 "is fitted into the inclined groove 30" a.

As in the first embodiment, by knocking the knocking body 30 ″, the piston 22 advances by a predetermined amount, and the liquid L is supplied from the tip of the brush 20 and used.

The knock type liquid container 10 "constructed as described above can be assembled as follows.
First, the knock spring 32 is inserted into the knock body 30 ", and the projection of the knock cam 28" is fitted into the inclined groove 30 "a of the knock body 30" to prepare a knock unit. And the ratchet member 2 from the rear end of the tail plug 34 ".
7 ", the rotary cam 26" and the screw shaft 24 are inserted, and FIG.
As shown in FIG.
After press-fitting 2, the knock unit is inserted as shown in FIG. At this time, the elastic claw 30 "c of the knock body 30" is elastically displaced in the inner diameter direction and fitted into the window hole 34 "a of the tail plug 34". With the ratchet member 27 ″, the rotary cam 26 ″, the screw shaft 24, the knock cam 28 ″, and the knock body 30 ″ integrated with the tail plug 34 ″, the tail plug 34 ″ is placed in the tank 12 ″. The work after that is the same as that of the first embodiment.By installing the components in the tail plug 34 "in advance by the above-described operation procedure, the tail plug 34" is attached to the tank 12 "together with the tail plug 34". Therefore, the assembling work can be easily performed.

[0045]

As described above, according to the present invention,
Since the liquid can be supplied by the knocking operation of the knocking body, the operation can be performed by at least one hand, which has an excellent effect that the operability is improved.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a first embodiment of a knock type liquid container of the present invention.

FIG. 2 is an exploded perspective view of a main part of FIG.

FIG. 3 is an end view taken along line 3-3 in FIG. 1;

FIG. 4 is an end view taken along the line 4-4 in FIG. 1;

FIG. 5 is a development view of a main part of FIG. 1;

FIG. 6 is a longitudinal sectional view showing a state where a knock body is knocked in the first embodiment.

FIG. 7 is a longitudinal sectional view illustrating a state in which a piston has advanced in the first embodiment.

FIG. 8 is a longitudinal sectional view showing a second embodiment of a knock type liquid container of the present invention.

9A is a perspective view, FIG. 9B is a side view, and FIG. 8C is a front view of the knock body shown in FIG.

FIGS. 10A and 10B are perspective views showing the operation of the knocking body and the rotating cam of FIG. 8;

FIG. 11 is a longitudinal sectional view illustrating a third embodiment of a knock type liquid container according to the present invention.

FIGS. 12A and 12B are longitudinal sectional views showing a part of an assembling operation according to a third embodiment.

[Explanation of symbols]

 10, 10 ', 10 "knock-type liquid container 12, 12', 12" tank 20 tip application body 24 screw shaft 24a male screw 26, 26 ', 26 "rotary cam 26a, 26" a sawtooth 26b, 26 "b sawtooth 26c, 26'c, 26 "c Female thread hole 26'd Step surface 27, 27" Ratchet member 27a, 27 "a Ratchet tooth 28, 28" Knock cam 28a Projection 28b, 28 "b Saw tooth 30, 30 ', 30" Knock body 30a, 30 "a Inclined groove (inclined road) 30'a Leg 30" c Elastic claw 34 "Tail plug 34" a Window hole

 ────────────────────────────────────────────────── ─── Continuing from the front page (72) Inventor Accepted Saito 138 Kawarai-shi, Kawagoe-shi, Saitama F-term (reference) 2C350 GA06 KC16 NA00 3E014 PA01 PB03 PC16 PE14 PE25 4F042 FA24 FA29 FA30 FA36

Claims (6)

[Claims] 1. A tank containing a liquid and having a supply port at a front end side, a piston sliding in the tank, and integrally connected to the piston and extending rearward, and having a male screw formed on a peripheral surface thereof. A rotary shaft having a female screw hole screwed into a male screw of the screw shaft, and a rotary cam behind the rotary cam in one direction. A knocking cam, and a knocking body that is repelled rearward with respect to the knocking cam and is capable of knocking operation.A projection is formed on one of the knocking body and the knocking cam, and the other is inclined in the axial direction, A knock-type liquid container, wherein a slope in which the protrusion is fitted is formed, and the knock cam rotates by the knocking operation of the knock body to rotate the rotary cam. 2. The knock cam has a saw tooth formed at a front end thereof.
The knock type liquid container according to claim 1, wherein a saw tooth is formed at a rear end of the rotary cam so as to mesh with a saw tooth of the knock cam. 3. A ratchet member through which a screw shaft passes is provided in front of the rotating cam, and a saw tooth is formed at a front end of the rotating cam in a direction opposite to a saw tooth formed at the rear end. The knocker according to claim 2, wherein the ratchet member is formed with a ratchet tooth that can be engaged with a saw tooth formed at a front end of the rotary cam and that can protrude and retract in the axial direction. Type liquid container. 4. A tail plug is fixed to a rear end of the tank,
The ratchet member, the rotating cam, and the knock cam are housed in the tail plug, and an elastic claw formed in the knock body is slidably fitted in a window hole formed in a peripheral surface of the tail plug. The knock-type liquid container according to claim 3, wherein the member, the rotary cam, the knock cam, the screw shaft, and the knock body are incorporated in the tail plug and attached to the tank together with the tail plug. 5. A tank containing a liquid and having a supply port on the tip side, a piston sliding in the tank, and integrally connected to the piston and extending rearward, and a male screw formed on a peripheral surface thereof. A rotary shaft having a female screw hole screwed into a male screw of the screw shaft, and a rotary cam behind the rotary cam in one direction. And a saw-shaped step surface formed on the rear surface of the rotary cam, and an elastically deformable leg engageable with the step surface of the rotary cam at the front end of the knock body. Is formed, and the knocking operation of the knocking body causes the leg to engage with the step surface of the rotating cam,
A knock type liquid container characterized by rotating a rotary cam. 6. A ratchet member through which a screw shaft passes is provided in front of the rotary cam, and a saw tooth is formed at a front end of the rotary cam in a direction opposite to a saw-shaped step surface formed on the rear surface. 6. The ratchet member according to claim 5, wherein said ratchet member is formed with a ratchet tooth which can be engaged with a saw tooth formed at a front end of said rotary cam, and which can protrude and retract in an axial direction. The knock-type liquid container according to the above.