CN210150706U

CN210150706U - Protective device of oil gun

Info

Publication number: CN210150706U
Application number: CN201920812408.7U
Authority: CN
Inventors: 林喜彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-03-17
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses a protective device of a fuel filling gun, which is used for the gasoline output partition when the oil delivery pipe of the fuel filling gun and the fuel filling machine is interrupted, and comprises a through pipe fitting, a regulating valve and a locking mechanism, wherein one end of the through pipe fitting is connected with the gun tail of the fuel filling gun, the other end of the through pipe fitting is fixedly inserted with one end of the regulating valve, and the other end of the regulating valve is connected with the oil delivery pipe of the fuel filling machine, the through pipe fitting, the regulating valve and the locking mechanism are skillfully connected at the gun tail of the fuel filling gun, so that when the fuel filling gun is pulled off, the through pipe fitting can relatively easily release the inserting fit relation with the regulating valve (namely, the connecting part is one end with weak stress in the whole pipeline system, when the fuel filling pipe is pulled, the connecting part can be pulled off at the earliest), thereby when the through pipe fitting is separated from the regulating valve, the spring of the locking mechanism resets and drives a connecting, the gasoline channel is cut off, thereby playing the state of cutting off the oil pipeline to continue to produce oil in emergency.

Description

Protective device of oil gun

Technical Field

The utility model belongs to the technical field of refueling equipment's pipeline interrupt protection device and specifically relates to a protector of nozzle.

Background

With the increasing popularization of automobiles, the number of refueling machines in cities is increasing, in order to reduce the waiting time of owners, some refueling stations even provide self-service refueling service, namely, the owners perform refueling operation by themselves, and some owners can drive vehicles to leave without taking out a refueling gun after refueling due to carelessness, so that the pipelines of the refueling gun are directly torn off and serious, the refueling machine can be pulled down, the pipelines of the refueling machine and a buried oil tank are torn off, gasoline blowout accidents are caused, and even immeasurable consequences are caused.

Disclosure of Invention

To the situation of the prior art, the utility model aims to provide a simple structure, reform transform convenient and with low costs protector of nozzle.

In order to realize the technical purpose, the utility model discloses a technical scheme does:

a protective device of a fuel gun is connected with the gun tail of the fuel gun and used for gasoline output separation when an oil delivery pipe of the fuel gun and an oil delivery pipe of an oil filling machine are interrupted, the fuel gun is provided with an oil-gas recovery channel and comprises a straight-through pipe fitting, a regulating valve and a locking mechanism, one end of the straight-through pipe fitting is connected with the gun tail of the fuel gun, the other end of the straight-through pipe fitting is fixedly inserted with one end of the regulating valve, the other end of the regulating valve is connected with the oil delivery pipe of the oil filling machine, an L-shaped pipe fitting is further arranged in the regulating valve, a gasoline channel for gasoline circulation is formed between the end part of the L-shaped pipe fitting, which is positioned in the regulating valve, and the inner wall of the regulating valve, the end part of the L-shaped pipe fitting is used for being connected with an oil-gas recovery pipe of, the connecting rod be two at least and its relative setting and pass the petrol passageway and be connected with the connection piece, the connecting rod has the clearance between the part that penetrates the petrol passageway and the petrol passageway inner wall, the connecting rod keep away from the tip of connection piece and go-between fixed connection and the profile of go-between and the cross-section profile looks adaptation of petrol passageway, the spring locate between connection piece and the L venturi tube spare, the one end and the connection piece of spring offset, the other end offsets with the L venturi tube spare, when the straight-through pipe spare was pegged graft with the governing valve and is joined in marriage, the tip of straight-through pipe spare was supported and is pressed the connection piece and make the spring compression, makes the go-between remove along keeping away from petrol passageway direction, makes petrol passageway intercommunication, when straight-through pipe spare and governing valve break away from, the spring resets and drives the go.

Furthermore, a plurality of fixing bolts are arranged on the end part of the regulating valve, which is in plug-in fit with the straight-through pipe fitting, in a penetrating way, and the fixing bolts penetrate through the outer surface of the regulating valve and are abutted against the outer surface of the straight-through pipe fitting.

Furthermore, a plurality of first O-shaped sealing rings are further sleeved on the inner side of the end part of the regulating valve, which is in plug-in fit with the straight-through pipe fitting.

Furthermore, the outer surface of the straight-through pipe fitting is also sleeved with a connecting sleeve, two sides of the lower part of the connecting sleeve are provided with L-shaped extending parts, and the L-shaped extending parts are provided with mounting holes and fixedly connected with the gun tail of the oil filling gun by penetrating through the mounting holes through screws.

Preferably, one side of the connecting sleeve, which is close to the regulating valve, is also provided with a protruding part, and the protruding part penetrates through the end part of the regulating valve, which is connected with the straight-through pipe fitting.

Furthermore, a gasket made of flexible materials is arranged on one side, close to the connecting sheet, of the connecting ring.

Furthermore, the connecting rod is of a screw rod structure, the connecting rod is in threaded connection with the connecting ring, and the end part of the connecting rod, which is connected with the connecting ring, is provided with a threaded structure.

Adopt foretell technical scheme, compared with the prior art, the utility model, its beneficial effect who has is: this scheme is through ingenious rifle tail department at the nozzle and is connected through the pipe fitting, governing valve and locking mechanism, make the nozzle when being broken, through the pipe fitting can relatively more easily with the governing valve relieve peg graft complex relation (this connection position is the comparatively fragile one end of atress in the whole pipe-line system promptly, when the nozzle is dragged, this connecting portion can break at the earliest) thereby make through the pipe fitting when breaking away from with the governing valve, locking mechanism's spring resets and drives the go-between and remove and laminate along being close petrol passageway direction, make the petrol passageway cut off, thereby play promptly to cut off defeated oil pipe and continue the state of producing oil, this scheme not only implements reliably and with low costs, can directly reform transform on current nozzle.

Drawings

The invention will be further explained with reference to the drawings and the detailed description below:

FIG. 1 is a schematic view of an embodiment of the present invention as implemented on a fuel gun;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention as implemented on a fuel gun;

FIG. 3 is an enlarged view of a portion of the structure at A in FIG. 2;

fig. 4 is a schematic diagram of the explosion structure of the device of the present invention;

fig. 5 is a schematic structural diagram of the locking mechanism of the device of the present invention installed in the regulating valve.

Detailed Description

As shown in one of fig. 1 to 5, the device of the present invention is connected to the gun tail 12 of the fuel gun 1, and is used for the gasoline output partition when the fuel gun 1 is disconnected from the oil delivery pipe 7 of the fuel dispenser, the fuel gun 1 has an oil-gas recovery passage 14, which comprises a straight pipe 3, a regulating valve 2 and a locking mechanism, one end of the straight pipe 3 is connected to the gun tail 12 of the fuel gun 1, the other end of the straight pipe 3 is fixedly inserted into one end of the regulating valve 2, the other end of the regulating valve 2 is connected to the oil delivery pipe 7 of the fuel dispenser, an L-shaped pipe 27 is further arranged in the regulating valve 2, a gasoline passage 26 for the gasoline circulation is formed between the end of the L-shaped pipe 27 located in the regulating valve 2 and the inner wall of the regulating valve 2, and the end is used for connecting with the oil-gas recovery pipe 8 of the fuel dispenser, the other end of the L-shaped pipe, the locking mechanism comprises at least two connecting rods 23, a connecting ring 22, a connecting piece 24 and a spring 25, wherein the two connecting rods 23 are oppositely arranged and penetrate through a gasoline channel 26 to be connected with the connecting piece 24, a gap is reserved between the part of the connecting rod 23 penetrating through the gasoline channel 26 and the inner wall of the gasoline channel 26, the end part of the connecting rod 23 far away from the connecting piece 24 is fixedly connected with the connecting ring 22, the outline of the connecting ring 22 is matched with the section outline of the gasoline channel 26, the spring 25 is arranged between the connecting piece 24 and an L-shaped pipe 27, one end of the spring 25 is abutted against the connecting piece 24, the other end of the spring is abutted against the L-shaped pipe 27, when the straight-through pipe 3 is in inserted fit with the regulating valve 2, the end part of the straight-through pipe 3 is abutted against the connecting piece 24 and compresses the spring 25, the connecting ring 22 moves along the direction far away from the gasoline channel 26, the spring 25 is reset to drive the connecting ring 22 to move and attach along the direction close to the gasoline channel 26, so that the gasoline channel 26 is cut off.

The end part of the regulating valve 2, which is in plug-in fit with the straight-through pipe fitting 3, is also provided with a plurality of fixing bolts 5 in a penetrating way, and the fixing bolts 5 penetrate through the outer surface of the regulating valve 2 and are abutted against the outer surface of the straight-through pipe fitting 3.

In addition, a plurality of first O-shaped sealing rings 6 are further sleeved on the inner side of the end part of the regulating valve 2, which is in inserted connection with the straight-through pipe fitting 3.

Further, the surface of straight-through pipe fitting 3 still overlaps and is equipped with adapter sleeve 21, the lower part both sides of adapter sleeve 21 are equipped with L shape extension 211, are equipped with mounting hole 212 on the L shape extension 211 and pass mounting hole 212 and the rifle tail 12 fixed connection of nozzle 1 through the screw, in order to avoid adjusting valve 2 relative straight-through pipe fitting 3 or adapter sleeve 21 relative rotation, adapter sleeve 21 be close adjusting valve 2 one side and still be equipped with bulge 213, bulge 213 penetrate the tip that adjusting valve 2 and straight-through pipe fitting 3 are connected, and the tip surface that adjusting valve 2 corresponds is equipped with a plurality of through-hole 4, fixing bolt 5 pass through-hole 4, after fixing bolt 5 penetrates, bulge 213 offsets with its side (rotatory activity restraint), forms and is used for retraining the rotatory locating part of adjusting valve 2.

Furthermore, a gasket 221 made of flexible material is arranged on one side of the connecting ring 22 close to the connecting sheet 24.

Further, the connecting rod 23 is of a screw structure, the connecting rod 23 is in threaded connection with the connecting ring 22, and a threaded structure is arranged at the end of the connecting rod 23 connected with the connecting ring 22.

The utility model adopts the above technical scheme, when the operator inserts the gun head 11 of the oil gun 1 into the oil tank and pulls the handle 13 to refuel, because the straight pipe 3 compresses the spring 25, the connecting ring 22 moves along the direction far away from the gasoline channel 26, so that the gasoline channel 26 is communicated, therefore, the normal refueling operation can be carried out, the scheme connects the straight pipe 3, the adjusting valve 2 and the locking mechanism at the gun tail 12 of the oil gun 1 skillfully, so that when the tail end of the oil gun 1 is pulled, the straight pipe 3 can relatively easily release the splicing fit relation with the adjusting valve 2 (namely, the connecting part is one end with weak stress in the whole pipeline system, when the oil gun is pulled, the connecting part can be pulled at the earliest), thereby when the straight pipe 3 is separated from the adjusting valve 2, the spring 25 of the locking mechanism resets to drive the connecting ring 22 to move and attach along the direction close to the gasoline channel 26, the gasoline channel 26 is cut off, so that the state of cutting off the oil pipeline 7 in an emergency to continue oil outlet is achieved, the scheme is reliable to implement and low in cost, and the existing oil filling gun 1 can be directly modified.

The above embodiments are the embodiments of the present invention, and for those skilled in the art, according to the teaching of the present invention, the equivalent changes, modifications, replacements and variations made by the claims of the present invention should all belong to the scope of the present invention without departing from the principle and spirit of the present invention.

Claims

1. The utility model provides a protector of nozzle, connects in the rifle tail of nozzle for gasoline output when the defeated oil pipe of nozzle and tanker aircraft interrupts cuts off, the nozzle have oil gas recovery passageway, its characterized in that: it includes through pipe fitting, governing valve and locking mechanism, the one end of through pipe fitting and the gun end-to-end connection of nozzle, the other end of through pipe fitting is pegged graft fixedly with the one end of governing valve, the other end of governing valve is connected with the defeated oil pipe of tanker aircraft, the governing valve in still be equipped with an L shape pipe fitting, L shape pipe fitting is located and forms the petrol passageway that supplies the petrol circulation and this tip is used for being connected with the vapor recovery tube of tanker aircraft between tip and the governing valve inner wall in the governing valve, the other end of L shape pipe fitting extends the governing valve and is used for being connected with the vapor recovery channel of nozzle, locking mechanism include connecting rod, go-between, connection piece and spring, the connecting rod be at least two and its relative setting and pass petrol passageway and be connected with the connection piece, the connecting rod penetrates to have the clearance between the part of petrol passageway and the petrol passageway inner wall, the connecting rod keep away from the tip The cross-sectional profile looks adaptation, the spring locate between connection piece and the L venturi tube spare, the one end and the connection piece of spring offset, the other end offsets with the L venturi tube spare, when the straight-through pipe spare was pegged graft with the governing valve and is joined in marriage, the tip of straight-through pipe spare was supported and is pressed the connection piece and make the spring compression, the go-between was along keeping away from petrol passageway direction and is removed, makes petrol passageway intercommunication, when straight-through pipe spare and governing valve break away from, the spring resets and drives the go-between and remove and laminate along being close petrol passageway direction, makes petrol passageway cut off.

2. The fuel gun guard according to claim 1, wherein: the end part of the regulating valve, which is in splicing fit with the straight-through pipe fitting, is also provided with a plurality of fixing bolts in a penetrating way, and the fixing bolts penetrate through the outer surface of the regulating valve and are propped against the outer surface of the straight-through pipe fitting.

3. The fuel gun guard according to claim 1, wherein: the inner side of the end part of the regulating valve, which is in splicing fit with the straight-through pipe fitting, is also sleeved with a plurality of first O-shaped sealing rings.

4. The fuel gun guard according to claim 1, wherein: the outer surface of the straight-through pipe fitting is further sleeved with a connecting sleeve, L-shaped extending portions are arranged on two sides of the lower portion of the connecting sleeve, mounting holes are formed in the L-shaped extending portions, and the L-shaped extending portions penetrate through the mounting holes through screws to be fixedly connected with the gun tail of the oil gun.

5. The fuel gun guard according to claim 4, wherein: the connecting sleeve is also provided with a bulge at one side close to the regulating valve, and the bulge penetrates into the end part of the regulating valve connected with the straight-through pipe fitting.

6. The fuel gun guard according to claim 1, wherein: and a gasket made of flexible materials is arranged on one side of the connecting ring close to the connecting sheet.

7. The fuel gun guard according to claim 1, wherein: the connecting rod be the screw rod structure, be threaded connection between connecting rod and the go-between, the tip that connecting rod and go-between are connected is equipped with the helicitic texture.