CN211551149U - Gas cylinder firing device - Google Patents
Gas cylinder firing device Download PDFInfo
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- CN211551149U CN211551149U CN201922359692.XU CN201922359692U CN211551149U CN 211551149 U CN211551149 U CN 211551149U CN 201922359692 U CN201922359692 U CN 201922359692U CN 211551149 U CN211551149 U CN 211551149U
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- spring
- firing pin
- gas cylinder
- ball
- valve body
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Abstract
The utility model provides a gas cylinder firing device, including valve body, cable, end cover, spring, firing pin, bobble, dog, the valve body is provided with the step hole along the axial, and one end is sealed it by the end cover, and the other end links to each other with the gas cylinder interface and forms an inclosed cavity, is provided with the firing pin in the cavity, and the firing pin includes annular step and needle body, is provided with the spring between end cover and firing pin, open one side of valve body has the aperture, and the bobble card withstands the annular step of firing pin in the aperture, makes it overcome the spring force of spring, and the other end of bobble is provided with the dog that supports fixed bobble, and the bobble and the dog are clearance fit with the aperture, and dog 7 is extruded it in the; the needle body is provided with an air guide hole, and the air guide hole is communicated with the air outlet connector. The utility model has the characteristics of but universal start, strong operability, reliability are high, have higher spreading value.
Description
Technical Field
The utility model belongs to the lifesaving field, concretely relates to gas cylinder percussion device.
Background
The existing gas cylinder firing device generally adopts a rocker arm cam structure, when firing, a rocker arm needs to be continuously pulled to rotate by 180 degrees around a shaft in a limited plane, and the structure can meet the use requirement in an open space, but has the problems of inconvenient operation in a narrow space, low reliability and the like.
Disclosure of Invention
The utility model aims at: the utility model provides a gas cylinder trigger device, the device do not receive the operating space restriction, can universally open the trigger gas cylinder, have solved current gas cylinder trigger operation inconvenient and the not high technical problem of reliability in narrow and small space.
The technical scheme of the utility model: a gas cylinder firing device, which comprises a valve body, a guy cable, an end cover, a spring, a firing pin, a small ball and a stop block, the valve body is provided with a step hole along the axial direction, one end of the valve body is sealed by an end cover, the other end of the valve body is connected with the gas cylinder interface to form a closed cavity, a firing pin is arranged in the cavity and comprises an annular step and a pin body, a spring is arranged between the end cover and the firing pin, one end of the spring is clamped on the end cover, the other end of the spring is clamped on the annular step of the firing pin, a gap for the firing pin to move towards the opening of the air bottle is reserved between the annular step and the step of the valve body which is provided with the step hole along the axial direction, one side of the valve body is provided with a small hole, the small ball is clamped in the small hole to prop against the annular step of the firing pin so as to overcome the spring force of the spring, the other end of the small ball is provided with a stop block for supporting and fixing the small ball, the small ball and the stop block are in clearance fit with the small hole, and the stop block is extruded in the small hole by a tail end ball head of the inhaul cable; the needle body is provided with an air guide hole which is communicated with the air outlet interface;
in the scheme, the spring presses the forward movement trend of the firing pin, the movement trend extrudes the small ball, the small ball transmits force outwards to the stop block, and the stop block extrudes the tail end ball head of the inhaul cable, so that the ball head forms an extrusion trend inwards to realize self-locking; when external force pulls the end of the inhaul cable to enable the ball head at the tail end to have force for moving outwards, the stop block is extruded and transmitted to the small ball to enable the small ball to retract, and the space which is reserved enables the inhaul cable to be pulled out; after the pull rope is pulled out, the restraint of the stop block, the small ball and the spring is released, and the spring 4 pushes the firing pin to move forwards to puncture the gas cylinder; the gas in the gas cylinder is transmitted into the air outlet interface through the gas guide hole of the firing pin.
In the above scheme, cable one end is the handle, and the end is the bulb, and the bulb of its end is in universal state when pulling handle, does not receive the space restriction, and the reliability is high.
In the scheme, the stay cable is positioned at the lower part of the stop block, so that the stay cable is propped against the stop block to realize self-locking.
In the above scheme, the stopper pushes the ball to limit the spring in a compressed state.
In the above scheme, after the ball releases the restriction of the spring, the spring drives the striker to move forward.
In the scheme, the firing pin is axially provided with a hollow air guide hole for guiding air and guiding water.
The utility model has the advantages that: the utility model discloses the cable is in universal state when the pulling, does not receive the space restriction, and the reliability is high. The stop block and the inhaul cable are self-locked. The stopper pushes the ball to limit the spring in a compressed state. After the small ball releases the restraint of the spring, the spring drives the firing pin to move forwards. The firing pin is axially provided with a hollow structure for air guide and drainage. The utility model has the characteristics of but universal start, strong operability, reliability are high, have higher spreading value.
Drawings
Fig. 1 is an assembly schematic view (to be cocked) of the gas cylinder cocking device of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1 according to the present invention.
Fig. 3 is the assembly structure diagram (after percussion) of the gas cylinder percussion device of the utility model.
Wherein, 1-valve body; 2-a guy cable; 3-end cover; 4-a spring; 5-a firing pin; 6-pellets; 7-a stop block; 8-small holes; 9-air vents; 10-an annular step; 11-a needle body; 12-a gas cylinder interface; 13-air outlet interface.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The present invention is further described in detail by the following embodiments:
a gas cylinder firing device comprises a valve body 1, a guy cable 2, an end cover 3, a spring 4, a firing pin 5, a small ball 6 and a stop dog 7, wherein a step hole is axially formed in the valve body 1, one end of the valve body is sealed by the end cover 3, the other end of the valve body is connected with a gas cylinder interface to form a closed cavity, the firing pin 5 is arranged in the cavity and comprises an annular step 10 and a needle body 11, the spring 4 is arranged between the end cover 3 and the firing pin 5, one end of the spring 4 is clamped on the end cover 3, the other end of the spring 4 is clamped on the annular step 10 of the firing pin 5, a gap for the firing pin 5 to run towards the opening of the gas cylinder is reserved between the annular step 10 and the step of the valve body 1, a small hole 8 is formed in one side of the valve body 1, the small ball 6 is clamped in the small hole 8 and abuts against the annular step 10 of the firing pin 5 to, the small ball 6, the stop dog 7 and the small hole 8 are in clearance fit, and the stop dog 7 is extruded in the small hole 8 by the tail end ball head of the inhaul cable 2; the needle body 11 is provided with an air guide hole 9, and the air guide hole 9 is communicated with an air outlet interface 13;
the inhaul cable 2 is positioned at the lower part of the stop block 7, so that the inhaul cable 2 is propped against the stop block 7 to realize self-locking.
The stopper 7 pushes the small ball 6 to limit the spring 4 in a compressed state.
After the small ball 6 releases the restraint of the spring 4, the spring 4 drives the striker 5 to move forwards.
The firing pin 5 is provided with a hollow air guide hole 9 along the axial direction for guiding air and guiding water.
The spring 4 presses the forward movement trend of the firing pin 5, the movement trend extrudes the small ball 6, the small ball 6 transmits force outwards to the stop dog 7, and the stop dog 7 extrudes the tail end ball head of the inhaul cable 2, so that the ball head forms an extrusion trend inwards to realize self-locking;
when external force pulls the end of the inhaul cable 2 to enable the ball head at the tail end to have force of moving outwards, the extrusion stop block 7 is conducted to the small ball 6 to enable the small ball 6 to retract, and the space which is reserved enables the inhaul cable 2 to be pulled out; after the inhaul cable 2 is pulled out, the restraint of the stop dog 7, the small ball 6 and the spring 4 is released, and the spring 4 pushes the firing pin 5 to move forwards to puncture the gas cylinder; the gas in the gas cylinder is transmitted into the gas outlet interface 13 through the gas guide hole 9 of the firing pin 5.
One end of the inhaul cable 2 is a handle, the end head is a ball head, the ball head at the end head is in a universal state when the handle is pulled, the inhaul cable is not limited by space, and the reliability is high.
While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (6)
1. A gas cylinder firing device is characterized by comprising a valve body (1), a pull rope (2), an end cover (3), a spring (4), a firing pin (5), a small ball (6) and a stop block (7), wherein the valve body (1) is axially provided with a step hole, one end of the valve body is sealed by the end cover (3), the other end of the valve body is connected with a gas cylinder connector to form a closed cavity, the firing pin (5) is arranged in the cavity, the firing pin (5) comprises an annular step (10) and a needle body (11), the spring (4) is arranged between the end cover (3) and the annular step (10) of the firing pin (5), one end of the spring (4) is clamped on the end cover (3), the other end of the spring is clamped on the annular step (10) of the firing pin (5), and a gap for the firing pin (5) to run towards the mouth of the gas cylinder is reserved between the annular step (10) and the step where, one side of the valve body (1) is provided with a small hole (8), the small ball (6) is clamped in the small hole (8) and abuts against an annular step (10) of the firing pin (5) to overcome the spring force of the spring (4), the other end of the small ball (6) is provided with a stop block (7) for supporting and fixing the small ball (6), the stop block (7) and the small hole (8) are in clearance fit, and the stop block (7) is extruded in the small hole (8) by a tail end ball head of the inhaul cable (2); the needle body (11) is provided with an air guide hole (9), and the air guide hole (9) is communicated with an air outlet interface (13).
2. A gas cylinder firing device according to claim 1, characterized in that one end of the pull cable (2) is a handle, the end is a ball, and the ball at the end is in a universal state when the handle is pulled.
3. A gas cylinder firing device according to claim 1, characterized in that the pull cable (2) is located at the lower part of the stop (7) so that the pull cable (2) is self-locking against the stop (7).
4. A cylinder firing device according to claim 1, wherein the stop (7) pushes the ball (6) to restrain the spring (4) in a compressed state.
5. A gas cylinder firing device according to claim 1, characterized in that after the ball (6) is released from the spring (4), the spring (4) drives the striker (5) forward.
6. A gas cylinder firing device according to claim 1, characterized in that the firing pin (5) is axially provided with a hollow gas-guiding hole (9) for guiding gas flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922359692.XU CN211551149U (en) | 2019-12-24 | 2019-12-24 | Gas cylinder firing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922359692.XU CN211551149U (en) | 2019-12-24 | 2019-12-24 | Gas cylinder firing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211551149U true CN211551149U (en) | 2020-09-22 |
Family
ID=72509241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922359692.XU Active CN211551149U (en) | 2019-12-24 | 2019-12-24 | Gas cylinder firing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211551149U (en) |
-
2019
- 2019-12-24 CN CN201922359692.XU patent/CN211551149U/en active Active
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