CN214456827U - Novel self-sealing gun - Google Patents
Novel self-sealing gun Download PDFInfo
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- CN214456827U CN214456827U CN202120546426.2U CN202120546426U CN214456827U CN 214456827 U CN214456827 U CN 214456827U CN 202120546426 U CN202120546426 U CN 202120546426U CN 214456827 U CN214456827 U CN 214456827U
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Abstract
The utility model discloses a novel self-sealing gun, which comprises a gun body and an oil outlet pipe fitting arranged at the front end of the gun body; the lower part of the gun body is provided with a wrench component; an oil inlet channel is arranged in the gun body and is communicated with an oil outlet pipe fitting; the oil inlet channel is sequentially provided with a main valve assembly and a self-sealing assembly; a backflow valve assembly is arranged at the joint of the oil outlet pipe fitting and the oil inlet channel; the main valve assembly comprises a valve seat arranged on the gun body, and an ejector rod is arranged in the valve seat; the lower part of the ejector rod penetrates through the gun body and is connected with the wrench assembly; a packing component is arranged between the ejector rod and the gun body; and a large main valve component and a small main valve component are arranged at the upper part of the ejector rod in the valve seat. The utility model discloses utilize the motion of big or small main valve of ejector pin control, proclaim oneself the axle and proclaim oneself, both cooperations can realize the velocity of flow and improve, and the time of refueling has been practiced thrift in the improvement of the velocity of flow, proclaim oneself the axle and realize good sealed effect, and the structure of own is durable, long service life.
Description
Technical Field
The utility model relates to a from the rifle field of sealing particularly, relate to a novel from sealing rifle.
Background
Self-sealing fuel guns, also known as self-sealing guns, are used for filling light oils, such as for vehicle fuel filling. The self-sealing oil gun can automatically close the oil gun when the container is filled to be full, so as to prevent overflow.
At present, a Chinese patent with publication number CN 108328560A and publication date of 2018, 07 and 27 discloses a self-sealing oil gun, which comprises a proportional cone core, a sealing lip and a sealing cover, wherein the proportional cone core moves along with an oil seal door through magnetic force; the conical core seat which is coaxially arranged with the sealing lip and is fixed is used for the sealing lip to abut against to form sealing fit; the conical core seat is fixedly connected with the seat body; the base body is fixed on the handheld part, and the conical core base is also connected with the oil gas pipe in a sealing way; the first end of the oil-gas flow regulator which is coaxial with the conical core part and can axially slide is used for inserting the conical core part; the second end of the oil-gas flow regulator is provided with an inclined surface; the seat body is provided with a threaded counter bore, the threaded counter bore is connected with an adjusting screw in a threaded manner, the tail end of the adjusting screw is provided with a conical surface which is in contact with the inclined surface, the oil-gas flow regulator is pushed to the adjusting screw by virtue of a pre-compacted second spring, and the relative position of the oil-gas flow regulator relative to the cone core part is adjusted by rotating the adjusting screw.
At present, the self-sealing gun cannot realize large-flow-rate oiling when in use because of the limitation of the structure, the large flow rate cannot be realized, and the oiling time is prolonged.
In view of this, the technicians in this company developed a new self-sealing gun to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's shortcoming, provide a novel proclaim oneself rifle, solved the defect of above-mentioned technique.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a novel self-sealing gun comprises a gun body and an oil outlet pipe fitting arranged at the front end of the gun body; the lower part of the gun body is provided with a wrench component; the method is characterized in that: an oil inlet channel is arranged in the gun body and is communicated with an oil outlet pipe fitting; the oil inlet channel is sequentially provided with a main valve assembly and a self-sealing assembly; a backflow valve assembly is arranged at the joint of the oil outlet pipe fitting and the oil inlet channel; the main valve assembly comprises a valve seat arranged on the gun body, and an ejector rod is arranged in the valve seat; the lower part of the ejector rod penetrates through the gun body and is connected with the wrench assembly; a packing component is arranged between the ejector rod and the gun body; a large main valve component and a small main valve component are mounted at the upper part of the ejector rod in the valve seat; the upper end of the valve seat is provided with a main valve nut; the inner side of the main valve nut is connected with a large main valve component through a main valve spring; the self-sealing assembly comprises an air chamber valve seat arranged on the cavity, and an air chamber nut is arranged at the upper end of the air chamber valve seat; a self-sealing shaft is arranged in the air chamber valve seat below the air chamber nut, and the lower part of the self-sealing shaft penetrates through the gun body and is connected with the wrench assembly; a diaphragm assembly is arranged on a self-sealing shaft in the air chamber valve seat and is connected with the lower end of an air chamber nut through an air chamber spring; the upper end of the self-sealing shaft is provided with a plurality of convex movable steel balls, the lower part of the self-sealing shaft is sleeved with a self-sealing shaft spring, the upper end of the self-sealing shaft spring is connected with the self-sealing shaft spring, and the lower end of the self-sealing shaft spring is connected to the inner wall of the lower part of the air chamber valve seat; the backflow valve assembly comprises a backflow valve seat and a backflow valve umbrella assembly which are arranged at the joint of the oil outlet pipe fitting and the oil inlet channel, and a backflow valve spring is installed on the backflow valve umbrella assembly.
According to the optimized scheme, the packing component comprises packing sleeved at the lower part of the ejector rod, and an upper packing gland and a lower packing gland which correspond to the packing are arranged on the ejector rod; and a filler fastening spring and a filler fastening bolt are arranged on the ejector rod on the filler upper gland.
According to the optimized scheme, the large main valve assembly comprises a large main valve, a large main valve sealing gasket and a large main valve gland are mounted at the lower end of the large main valve, and a large main valve gasket compression nut is mounted on the large main valve gland; the small main valve component comprises a small main valve arranged in a large main valve, and a flat gasket and a small main valve gland are arranged between the small main valve and the large main valve.
According to the optimized scheme, the wrench assembly comprises a gun stock assembly arranged on a gun body, and the gun body is provided with a handle assembly through a handle connecting pin shaft and an inner tooth elastic retainer ring; the handle assembly is located the position of handle connecting pin inboard and connects from sealing the axle, and the ejector pin is connected to the position that the handle assembly is located the handle connecting pin outside.
Owing to adopted above-mentioned technique, compare with prior art, the beneficial effects of the utility model are that:
the utility model discloses utilize the motion of big or small main valve of ejector pin control, proclaim oneself the axle and proclaim oneself, both cooperations can realize the velocity of flow and improve, and the time of refueling has been practiced thrift in the improvement of the velocity of flow, proclaim oneself the axle and realize good sealed effect, and the structure of own is durable, long service life.
Drawings
Fig. 1 is an exploded schematic view of an embodiment of the present invention;
fig. 2 is an assembled structural schematic diagram of an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
As shown in fig. 1-2, a novel self-sealing gun comprises a gun body 1 and an oil outlet pipe 31 installed at the front end of the gun body 1. The lower part of the gun body 1 is provided with a wrench assembly. An oil outlet pipe spring 33 is mounted on the oil outlet pipe 31, and the oil outlet pipe 31 is connected to the gun body 1 by a screw 32.
An oil inlet channel is arranged in the gun body and communicated with the oil outlet pipe fitting 31. The oil inlet channel is sequentially provided with a main valve assembly and a self-sealing assembly.
The main valve component comprises a valve seat arranged on the gun body, and an ejector rod 2 is arranged in the valve seat. The lower part of the ejector rod 2 penetrates through the gun body 1 and is connected with the wrench assembly. And a packing component is arranged between the ejector rod 2 and the gun body 1. The packing component comprises a packing 4 sleeved at the lower part of the ejector rod, and an upper packing gland 5 and a lower packing gland 3 which correspond to the packing 4 are arranged on the ejector rod 2. And a top rod on the packing upper gland 5 is provided with a packing fastening spring 6 and a packing fastening bolt 7.
And a large main valve component and a small main valve component are arranged at the upper part of the mandril 2 in the valve seat. The upper end of the valve seat is fitted with a main valve nut 17. The inner side of the main valve nut is connected to the large main valve assembly by a main valve spring 15. The big main valve subassembly includes big main valve 11, and big main valve packing 10 and big main valve gland 9 are installed to the lower extreme of big main valve 11, installs big main valve packing gland 8 on the big main valve gland 9. The small main valve assembly comprises a small main valve 12 installed in a large main valve 11, and a flat gasket 13 and a small main valve gland 14 are arranged between the small main valve 12 and the large main valve 11.
The self-sealing assembly comprises an air chamber valve seat arranged on the cavity, and an air chamber nut 19 is arranged at the upper end of the air chamber valve seat. And a self-sealing shaft 24 is arranged in the air chamber valve seat below the air chamber nut 19, and the lower part of the self-sealing shaft 24 penetrates through the gun body and is connected with the wrench assembly. A self-sealing shaft 24 in the air chamber valve seat is provided with a diaphragm component 22, and the diaphragm component 22 is connected with the lower end of the air chamber nut 19 through an air chamber spring 25. A plurality of convex movable steel balls 23 are mounted at the upper end of the self-sealing shaft 24, a self-sealing shaft spring 25 is sleeved at the lower part of the self-sealing shaft 24, the upper end of the self-sealing shaft spring 25 is connected with the self-sealing shaft spring, and the lower end of the self-sealing shaft spring is connected to the inner wall of the lower part of the air chamber valve seat.
And a backflow valve assembly is arranged at the joint of the oil outlet pipe fitting and the oil inlet channel. The return valve assembly comprises a return valve seat 28 and a return valve umbrella assembly 29 which are arranged at the joint of the oil outlet pipe 31 and the oil inlet channel, and a return valve spring 39 is arranged on the return valve umbrella assembly 29.
The wrench assembly includes a stock assembly 37 mounted on the gun body, and a handle assembly 36 is mounted on the gun body through a handle connecting pin 35 and an internal tooth circlip 34. The handle assembly 36 is connected with the self-sealing shaft at the position on the inner side of the handle connecting pin shaft, and the ejector rod is connected at the position on the outer side of the handle connecting pin shaft.
For sealing, a first O-ring 16 is disposed between the main valve nut 17 and the main valve seat, a second O-ring 18 is disposed between the air chamber nut 19 and the air chamber valve seat, a third O-ring 26 is disposed between the diaphragm assembly 22 and the air chamber valve seat, a fourth O-ring 30 is disposed between the oil outlet pipe 31 and the gun body, and a fifth O-ring 27 is disposed between the return valve seat 28 and the gun body.
When the self-sealing device works, the handle assembly rotates under the action of the handle connecting pin shaft 35 to drive the ejector rod and the self-sealing shaft to move. Because the ejector rod and the self-sealing shaft are respectively connected to the handle assembly, the movement of the ejector rod and the self-sealing shaft is realized, the area of an opened channel is maximized, the sealing performance is also ensured to be good, and the oil with high flow rate is ensured to enter and exit.
The utility model discloses utilize the motion of big or small main valve of ejector pin control, proclaim oneself the axle and proclaim oneself, both cooperations can realize the velocity of flow and improve, and the time of refueling has been practiced thrift in the improvement of the velocity of flow, proclaim oneself the axle and realize good sealed effect, and the structure of own is durable, long service life.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. A novel self-sealing gun comprises a gun body and an oil outlet pipe fitting arranged at the front end of the gun body; the lower part of the gun body is provided with a wrench component;
the method is characterized in that:
an oil inlet channel is arranged in the gun body and is communicated with an oil outlet pipe fitting; the oil inlet channel is sequentially provided with a main valve assembly and a self-sealing assembly; a backflow valve assembly is arranged at the joint of the oil outlet pipe fitting and the oil inlet channel;
the main valve assembly comprises a valve seat arranged on the gun body, and an ejector rod is arranged in the valve seat; the lower part of the ejector rod penetrates through the gun body and is connected with the wrench assembly; a packing component is arranged between the ejector rod and the gun body; a large main valve component and a small main valve component are mounted at the upper part of the ejector rod in the valve seat; the upper end of the valve seat is provided with a main valve nut; the inner side of the main valve nut is connected with a large main valve component through a main valve spring;
the self-sealing assembly comprises an air chamber valve seat arranged on the cavity, and an air chamber nut is arranged at the upper end of the air chamber valve seat; a self-sealing shaft is arranged in the air chamber valve seat below the air chamber nut, and the lower part of the self-sealing shaft penetrates through the gun body and is connected with the wrench assembly; a diaphragm assembly is arranged on a self-sealing shaft in the air chamber valve seat and is connected with the lower end of an air chamber nut through an air chamber spring; the upper end of the self-sealing shaft is provided with a plurality of convex movable steel balls, the lower part of the self-sealing shaft is sleeved with a self-sealing shaft spring, the upper end of the self-sealing shaft spring is connected with the self-sealing shaft spring, and the lower end of the self-sealing shaft spring is connected to the inner wall of the lower part of the air chamber valve seat;
the backflow valve assembly comprises a backflow valve seat and a backflow valve umbrella assembly which are arranged at the joint of the oil outlet pipe fitting and the oil inlet channel, and a backflow valve spring is installed on the backflow valve umbrella assembly.
2. The novel self-sealing gun of claim 1, wherein: the packing component comprises packing sleeved at the lower part of the ejector rod, and a packing upper gland and a packing lower gland which correspond to the packing are arranged on the ejector rod; and a filler fastening spring and a filler fastening bolt are arranged on the ejector rod on the filler upper gland.
3. The novel self-sealing gun of claim 2, wherein: the large main valve assembly comprises a large main valve, a large main valve sealing pad and a large main valve gland are mounted at the lower end of the large main valve, and a large main valve pad compression nut is mounted on the large main valve gland; the small main valve component comprises a small main valve arranged in a large main valve, and a flat gasket and a small main valve gland are arranged between the small main valve and the large main valve.
4. The novel self-sealing gun of claim 3, wherein: the wrench assembly comprises a gun stock assembly arranged on the gun body, and the gun body is provided with a handle assembly through a handle connecting pin shaft and an inner tooth elastic retainer ring; the handle assembly is located the position of handle connecting pin inboard and connects from sealing the axle, and the ejector pin is connected to the position that the handle assembly is located the handle connecting pin outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120546426.2U CN214456827U (en) | 2021-03-16 | 2021-03-16 | Novel self-sealing gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120546426.2U CN214456827U (en) | 2021-03-16 | 2021-03-16 | Novel self-sealing gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214456827U true CN214456827U (en) | 2021-10-22 |
Family
ID=78156121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120546426.2U Active CN214456827U (en) | 2021-03-16 | 2021-03-16 | Novel self-sealing gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214456827U (en) |
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2021
- 2021-03-16 CN CN202120546426.2U patent/CN214456827U/en active Active
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