Exhaust valve assembly applied to grease gun

Abstract

The utility model discloses an exhaust valve assembly applied to a grease gun, which comprises a valve main body provided with an air inlet pipeline; the cover body is detachably arranged on the valve main body; the sealing rod mechanism penetrates through the cover body and is movably arranged in the valve main body, and the sealing rod mechanism can seal the air inlet pipeline; the handle mechanism is in transmission connection with the sealing rod mechanism and drives the sealing rod mechanism to be separated from the sealing operation of the air inlet pipeline; and the elastic piece is arranged between the cover body and the sealing rod mechanism and enables the sealing rod mechanism to be in sealing contact connection with the air inlet pipeline. The sealing rod mechanism, the handle mechanism and the elastic piece are matched with one another, so that exhausting and sealing operation of the exhaust valve assembly is achieved; during sealing, the elastic piece provides pressing force for the sealing rod mechanism, and the problem that an exhaust valve of an existing grease gun is poor in sealing performance is effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to exhaust valve technical field, especially a kind of exhaust valve assembly applied to grease gun. BACKGROUND

[0002] Grease gun can be used on motor vehicle and production line to grease and play the role of lubrication maintenance and rust prevention, small in size, light in weight, easy to use and carry, there is generally no air in grease gun barrel, and grease is more difficult to hit out if there is air, which requires setting exhaust port on grease gun to exhaust;Although the exhaust valve in prior art can realize exhaust function, but the sealing effect is not good, and there is grease leakage, especially when the grease gun is operated, the internal pressure increases, and the problem of oil leakage is more likely to occur;Therefore, an exhaust valve assembly applied to grease gun is provided to solve the above problems. SUMMARY

[0003] One of the purposes of the utility model is to provide an exhaust valve assembly applied to grease gun to solve the problem of poor sealing performance of the exhaust valve of the existing grease gun.

[0004] The exhaust valve assembly applied to grease gun of the utility model can be realized by the following technical solutions:

[0005] The exhaust valve assembly applied to grease gun of the utility model comprises a valve body, which is a hollow cavity, an air inlet pipe is arranged on the valve body;A cover body is detachably arranged on the valve body;A sealing rod mechanism is movably arranged in the valve body through the cover body, and the sealing rod mechanism can seal the air inlet pipe;A handle mechanism is in transmission connection with the sealing rod mechanism, and the handle mechanism drives the sealing rod mechanism to separate from the sealing operation of the air inlet pipe;An elastic member is arranged between the cover body and the sealing rod mechanism, and the elastic member makes the sealing rod mechanism in sealing contact with the air inlet pipe.

[0006] In one embodiment, an exhaust hole is arranged on the valve body, and the air entering the valve body through the air inlet pipe is discharged through the exhaust hole.

[0007] In one embodiment, a first external thread is arranged on one end of the valve body, and the valve body is detachably threadedly connected to the exhaust port of the grease gun through the first external thread.

[0008] In one embodiment, a first internal thread is arranged on the other end of the valve body relative to the first external thread;A second external thread is arranged on the side of the cover body, and the second external thread is detachably threadedly connected to the first internal thread.

[0009] In one of the embodiments, the sealing rod mechanism comprises a sealing rod body movably arranged in the valve body through the cover body, and the sealing rod body is capable of being in sealing contact with the air inlet pipe; and a connecting piece detachably connected to the sealing rod body.

[0010] In one of the embodiments, the sealing rod body comprises a connecting rod body in a streamline shape, and a sealing plug fixedly connected to the connecting rod body and capable of being in sealing contact with the air inlet pipe, wherein the sealing plug is made of elastic material.

[0011] In one of the embodiments, a third external thread is arranged on one end of the connecting rod body opposite to the sealing plug, and a second internal thread is arranged on the inner wall of the connecting piece, and the second internal thread is detachably threadedly connected to the third external thread.

[0012] In one of the embodiments, the handle mechanism comprises a connecting shaft connected to the sealing rod mechanism, and a movable handle rotatably arranged on the connecting shaft, wherein the movable handle is downwardly rotated to drive the sealing rod mechanism to move upwardly against the pressure of the elastic piece through the connecting shaft, so that the sealing rod mechanism is separated from the sealing connection with the air inlet pipe.

[0013] In one of the embodiments, a second through hole is arranged through the connecting shaft, and the sealing rod body is detachably threadedly connected to the connecting piece through the second through hole and the connecting shaft.

[0014] In one of the embodiments, symmetrical connecting holes are arranged on opposite ends of the movable handle, and the two ends of the connecting shaft are arranged in the corresponding connecting holes respectively.

[0015] Compared with the prior art, the exhaust valve assembly applied to the butter gun has the following beneficial effects:

[0016] The exhaust valve assembly applied to the butter gun is downwardly rotated to drive the sealing rod mechanism to move upwardly against the pressure of the elastic piece through the connecting shaft, so that the sealing rod mechanism is separated from the sealing connection with the air inlet pipe, and the exhaust operation of the exhaust valve assembly is realized; the movable handle is upwardly rotated to drive the sealing rod mechanism to move downwardly under the restoring force of the elastic piece and be tightly and sealingly connected to the air inlet pipe, so that the sealing operation of the exhaust valve assembly is realized, and the elastic piece provides a downward pressing force to the sealing rod mechanism, thereby effectively solving the problem of poor sealing performance of the exhaust valve of the existing butter gun; and the exhaust valve assembly has the characteristics of simple structure, convenient operation and excellent sealing performance. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the premise of the drawings.

[0018] Figure 1 is a structural schematic view of the exhaust valve assembly in a sealed state applied to the butter gun of the present application;

[0019] Figure 2 is Figure 1 is a cross-sectional structural schematic view of the exhaust valve assembly in a sealed state applied to the butter gun of the present application;

[0020] Figure 3 is Figure 1 is a structural schematic view of the exhaust valve assembly in an exhaust state applied to the butter gun of the present application;

[0021] Figure 4 is Figure 1 is a cross-sectional structural schematic view of the exhaust valve assembly in an exhaust state applied to the butter gun of the present application;

[0022] Figure 5 is Figure 1 is an exploded structural schematic view of the exhaust valve assembly applied to the butter gun of the present application, comprising a sealing rod mechanism and a handle mechanism;

[0023] Figure 6 is Figure 5 is an exploded structural schematic view of the sealing rod mechanism and the handle mechanism.

[0024] In the figure, 10 is an exhaust valve assembly; 11 is a valve body; 111 is an air inlet pipeline; 112 is an exhaust hole; 113 is a first external thread; 114 is a first internal thread; 12 is a cover body; 121 is a second external thread; 122 is a first through hole; 13 is a sealing rod mechanism; 131 is a sealing rod body; 1311 is a connecting rod body; 13111 is a third external thread; 1312 is a sealing plug; 132 is a connecting piece; 1321 is a second internal thread; 14 is a handle mechanism; 141 is a connecting shaft; 1411 is a second through hole; 142 is a movable handle; 1421 is a connecting hole; 15 is an elastic piece. DETAILED DESCRIPTION

[0025] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0027] Referring to Figures 1-6 The utility model discloses a kind of exhaust valve assemblies 10 applied to butter gun, including valve main body 11, cover 12, sealing rod mechanism 13, handle mechanism 14 and elastic member 15;Valve main body 11 is hollow cavity, it is detachably connected and arranged on the exhaust port of butter gun;Cover 12 is detachably arranged on valve main body 11, and the both form a closed cavity;Sealing rod mechanism 13 is movably arranged in valve main body 11 and movably penetrates cover 12, it can be sealed to the exhaust port of butter gun Operation;Handle mechanism 14 is drivingly connected with sealing rod mechanism 13, it drives sealing rod mechanism 13 movement in valve main body 11, to realize the sealing or opening operation to the exhaust port of butter gun;Elastic member 15 is arranged between cover 12 and sealing rod mechanism 13, it provides sealing rod mechanism 13 with pressure force, so that sealing rod mechanism 13 is sealed to the exhaust port of butter gun Operation.Specifically, elastic member 15 uses strong spring, it provides sealing rod mechanism 13 with a larger pressure force.

[0028] Referring to Figures 1-5As shown, in the embodiment, the valve body 11 is provided with an air inlet pipe 111, the valve body 11 is connected with the air outlet of the grease gun through the air inlet pipe 111, one end of the sealing rod mechanism 13 can be sealingly arranged on the air inlet pipe 111, so as to realize the sealing operation of the air outlet of the grease gun; the valve body 11 is provided with an air outlet hole 112, the gas in the grease gun enters the valve body 11 through the air inlet pipe 111, and then is discharged to the atmosphere through the air outlet hole 112; the opposite ends of the valve body 11 are respectively provided with a first external thread 113 and a first internal thread 114, the valve body 11 is detachably threadedly connected to the air outlet of the grease gun through the first external thread 113; the cover body 12 is detachably threadedly connected to the valve body 11 through the first internal thread 114. Specifically, the side of the cover body 12 is provided with a second external thread 121, the second external thread 121 is detachably threadedly connected to the first internal thread 114, so as to realize the detachable thread connection of the cover body 12 to the valve body 11; the cover body 12 is provided with a first through hole 122, the sealing rod mechanism 13 is movably arranged through the cover body 12 through the first through hole 122.

[0029] Please refer to Figures 1-6 As shown, in the embodiment, the sealing rod mechanism 13 includes a sealing rod body 131 and a connecting piece 132; the sealing rod body 131 is movably arranged in the valve body 11 through the cover body 12, and can be sealingly connected with the air inlet pipe 111, so as to realize the sealing operation of the air outlet of the grease gun; the connecting piece 132 is detachably connected to the sealing rod body 131, facilitating the assembly of the mobile phone mechanism 14 and the sealing rod mechanism 13. Specifically, the sealing rod body 131 includes a connecting rod body 1311 and a sealing plug 1312, the connecting rod body 1311 is a streamlined rod body, which is movably arranged in the valve body 11 through the cover body 12; the sealing plug 1312 is fixedly connected with the connecting rod body 1311, which can be sealingly connected with the air inlet pipe 111, the sealing plug 1312 is made of elastic material, which facilitates the sealing operation of the air inlet pipe 111, preferably, the sealing plug 1312 is made of silica gel material. In the embodiment, the opposite end of the connecting rod body 1311 and the sealing plug 1312 is provided with a third external thread 13111, the inner wall of the connecting piece 132 is provided with a second internal thread 1321, the second internal thread 1321 is detachably threadedly connected to the third external thread 13111, so as to fix the connecting piece 132 on the sealing rod body 131; the connecting part of the sealing plug 1312 and the air inlet pipe 111 adopts an arc structure, the elastic member 15 is movably arranged on the sealing rod body 131, and the two ends thereof are respectively connected with the sealing plug 1312 and the cover body 12.

[0030] Please refer to Figures 1-6 Figures 1-6As shown, in the embodiment, the handle 14 comprises a connecting shaft 141 and a movable handle 142; the connecting shaft 141 is connected to be arranged on the sealing rod mechanism 13; the movable handle 142 is rotationally arranged on the connecting shaft 141, when the movable handle 142 rotates downward, the sealing rod mechanism 13 is driven by the connecting shaft 141 to move upward against the pressure of the elastic member 15, so that the sealing plug 1312 is separated from the sealing connection with the air inlet pipeline 111, thereby realizing the exhaust operation. Specifically, the second through hole 1411 is arranged through the connecting shaft 141, the sealing rod body 131 is detachably screwed with the connecting member 132 through the second through hole 1411 penetrating the connecting shaft 141; the connecting holes 1421 are symmetrically arranged on the opposite ends of the movable handle 142, and the two ends of the connecting shaft 141 are arranged in the corresponding connecting holes 1421, thereby realizing the connection of the movable handle 142 and the connecting shaft 141.

[0031] It should be noted that the specific working process of the exhaust valve assembly 10 applied to the butter gun is: when exhaust is needed, the movable handle 142 is rotated downward, the sealing rod mechanism 13 is driven by the connecting shaft 141 to move upward against the pressure of the elastic member 15, so that the sealing rod mechanism 13 is separated from the sealing connection with the air inlet pipeline 111, the gas in the butter gun enters the valve body 11 through the air inlet pipeline 111, and then is discharged to the atmosphere through the exhaust hole 112, thereby realizing the exhaust operation of the exhaust valve assembly 10; when sealing is needed, the movable handle 142 is rotated upward, the sealing rod mechanism 13 moves downward under the restoring force of the elastic member 15, thereby realizing the close sealing connection of the sealing rod mechanism 13 and the air inlet pipeline 111, and realizing the sealing operation of the exhaust valve assembly 10.

[0032] The technical features of the above-described embodiments can be combined arbitrarily, and to make the description concise, all possible combinations of the technical features in the embodiments are not described, however, as long as the combinations of the technical features do not exist contradictory, it should be considered that it is within the scope of the description.

[0033] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it should not be understood as the limitation of the scope of the utility model patent. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which are within the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. An exhaust valve assembly for use with a grease gun, the exhaust valve assembly comprising: include: The valve body is a hollow cavity, and an air inlet pipe is provided on the valve body; A cover, which is detachably mounted on the valve body; A sealing rod mechanism is movably disposed in the valve body through the cover, and the sealing rod mechanism is capable of sealing the air intake pipe; A handle mechanism is connected to the sealing rod mechanism in a transmission manner, and the handle mechanism drives the sealing rod mechanism to disengage from the sealing operation of the air intake pipe; An elastic element is disposed between the cover and the sealing rod mechanism, the elastic element causing the sealing rod mechanism to make a sealing contact connection with the air intake pipe.

2. An exhaust valve assembly for use in a grease gun as defined in claim 1, wherein, An exhaust port is provided through the valve body, and the air that enters the valve body through the air inlet pipe is discharged through the exhaust port.

3. The exhaust valve assembly for a grease gun according to claim 1, characterized in that, The valve body has a first external thread at one end, and the valve body is detachably threaded to the exhaust port of the grease gun through the first external thread.

4. The exhaust valve assembly for a grease gun according to claim 3, characterized in that, The valve body has a first internal thread on the other end opposite to the first external thread; the cover has a second external thread on its side, and the second external thread is detachably threaded onto the first internal thread.

5. The exhaust valve assembly for a grease gun according to claim 1, characterized in that, The sealing rod mechanism includes a sealing rod body, which is movably disposed in the valve body through the cover body, and the sealing rod body can be sealed and connected to the air intake pipe; it also includes a connector detachably connected to the sealing rod body.

6. The exhaust valve assembly for a grease gun according to claim 5, characterized in that, The sealing rod body includes a connecting rod body, which is a streamlined rod body; and a sealing plug fixedly connected to the connecting rod body, which can make a sealing contact with the air intake pipe. The sealing plug is made of an elastic material.

7. The exhaust valve assembly for a grease gun according to claim 6, characterized in that, The connecting rod body has a third external thread at one end opposite to the sealing plug; the connecting member has a second internal thread on its inner wall, and the second internal thread is detachably threaded onto the third external thread.

8. The exhaust valve assembly for a grease gun according to claim 5, characterized in that, The handle mechanism includes a connecting shaft connected to the sealing rod mechanism; a movable handle mounted on the connecting shaft rotates downwards, causing the sealing rod mechanism to overcome the pressure of the elastic element and move upwards, thereby disengaging the sealing rod mechanism from the air intake pipe.

9. An exhaust valve assembly for a grease gun according to claim 8, characterized in that, A second through hole is provided through the connecting shaft, and the sealing rod body is detachably threaded to the connecting member through the second through hole through the connecting shaft.

10. An exhaust valve assembly for a grease gun according to claim 8, characterized in that, The movable handle has symmetrical connecting holes at its two opposite ends, and the two ends of the connecting shaft are respectively set in the corresponding connecting holes.

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