CN216974959U - Safe pressure relief leakage-proof oil pump - Google Patents

Safe pressure relief leakage-proof oil pump Download PDF

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Publication number
CN216974959U
CN216974959U CN202123223711.XU CN202123223711U CN216974959U CN 216974959 U CN216974959 U CN 216974959U CN 202123223711 U CN202123223711 U CN 202123223711U CN 216974959 U CN216974959 U CN 216974959U
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oil pump
pressure
pressure relief
leakage
pipe
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CN202123223711.XU
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黄舒钰
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Shenyang Hangfa Pump Manufacturing Co ltd
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Shenyang Hangfa Pump Manufacturing Co ltd
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Abstract

The utility model discloses a leakage-proof oil pump capable of safely relieving pressure, which comprises: the oil pump top shell is arranged on the oil pump top shell, the oil pump bottom shell is arranged on the oil pump top shell, the pressure relief groove is arranged on the right side of the oil pump bottom shell, a pressure relief inlet pipe is connected in the pressure relief groove, the interface pipe is installed at the upper end of the pressure relief inlet pipe, a leakage-proof pipe is arranged at the bottom of the pressure relief inlet pipe, the flow guide pipe is connected to the bottom end of the leakage-proof pipe, and an exhaust pressure device is arranged on one side of the flow guide pipe. This safe pressure release prevents leaking oil pump, whole pressure release structure seals firmly, can be convenient for the inside negative pressure structure that forms of oil pump carries out the fuel feeding, and can reduce the wearing and tearing of pressure release piston not hard up when carrying out the pressure release, and then effectively promoted the safe quality of oil pump pressure release, can make piston spring reset fast after the pressure release is accomplished simultaneously, and then form confined negative pressure environment, so that the high-efficient convenient repetition carries out pump body fuel feeding operation, with the use quality and the efficiency of this hoisting device, the practicality of oil pump has effectively been promoted.

Description

Safe pressure relief leakage-proof oil pump
Technical Field
The utility model relates to the technical field of oil pumps, in particular to a leakage-proof oil pump capable of safely relieving pressure.
Background
The engine oil pump is one of important parts in an automobile lubricating system, and the engine oil is lifted to a certain pressure by the engine oil pump and then is forcedly fed into the surfaces of all moving parts of the engine, so that the forced oil supply is carried out on the surfaces of the moving parts of the engine, the engine can smoothly and stably run, and the abrasion of the engine is effectively reduced.
In order to keep the oil pump capable of efficiently and forcibly conveying lubricating oil, high-strength negative pressure needs to be generated inside the oil pump to uniformly supply oil to the surfaces of internal parts of an engine, the oil pump needs to release pressure after one-time oil supply to control the oil pressure, and further, multiple-time pressure application and oil supply are conveniently and stably carried out, most of the pressure release structures adopted by the currently used oil pumps are simple spring elastic structures, so that abrasion is easily generated after high-pressure gas is released for a long time, gaps are easily generated in the pressure release space of the oil pump, further, the pressure release is unstable, lubricating oil is easily leaked from the abrasion gaps, and the safe use capacity of the oil pump is easily reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a safe pressure relief leakage-proof oil pump, which aims to solve the problems that the oil pump used at present in the background art is simple in pressure relief spring piston structure, easy to wear and leak, and easy to generate potential safety hazard due to the fact that a common pressure relief environment is not closed stably enough.
In order to achieve the purpose, the utility model provides the following technical scheme: a leak-proof oil pump that is safe to vent, comprising:
the pressure relief groove is formed in the right side of the oil pump top shell and the right side of the oil pump bottom shell, and a pressure relief inlet pipe is connected in the pressure relief groove;
the interface tube is arranged at the upper end of the pressure relief inlet tube, and the bottom of the pressure relief inlet tube is provided with a leakage-proof tube;
and the guide pipe is connected to the bottom end of the leakage-proof pipe, and a pressure discharging device is arranged on one side of the guide pipe.
The arrangement of the structure enables the pressure relief structure of the oil pump to be more closed and stable, can effectively avoid negative pressure gas leakage, and can be convenient for efficiently forming a negative pressure state, so that the service efficiency and the quality of the oil pump are improved, and the pressure relief operation can be rapidly and conveniently carried out.
Preferably, the pressure relief inlet pipe, the oil pump top shell and the oil pump bottom shell form a nested structure through the pressure relief groove, the oil pump top shell and the oil pump bottom shell form an integrated structure, and the pressure relief inlet pipe and the pressure relief groove are fixedly connected.
Preferably, the mouth-piece is connected with the pressure release inlet pipe by screw thread, the pressure release inlet pipe is in a conical structure with a narrow top and a wide bottom, the pressure release inlet pipe and the leakage-proof pipe form a fixing structure through bolts, the pressure release inlet pipe, the mouth-piece and the leakage-proof pipe are stainless steel pipeline structures communicated with each other, the pressure release pipeline structures are stable, compact and firm due to the arrangement of the structure, and engine oil corrosion can be effectively prevented and leakage can be avoided.
Preferably, the upper end of the leakage-proof pipe is further provided with a leakage-proof groove of a concentric circle structure, the upper side of the leakage-proof groove is further covered with a rubber gasket, the bottom end of the leakage-proof pipe is further provided with a flow guide pipe in a nested mode, the arrangement of the structure enables the device to effectively keep the pressure relief pipeline environment sealed tightly, pressure imbalance caused by gaps generated at the joints of the pipelines can be avoided, and safety and stability of the pressure relief process of the oil pump can be kept.
Preferably, the guide pipe and the leakage-proof pipe form a closed fixing structure through bolts, the guide pipe is of an L-shaped structure, the guide pipe and the pressure discharger form a closed fixing structure, and the arrangement of the structure enables the device to facilitate quick and safe pressure relief of the oil pump, so that the problems of gas leakage and engine oil leakage during pressure relief are solved.
Preferably, the back side sealing plug is further arranged on the back side face of the pressure discharging device in a nested mode, the front side of the back side sealing plug is further provided with the front side sealing plug, the back side sealing plug and the front side sealing plug are of a conical solid rubber structure which is wide in front and narrow in back, the arrangement of the structure enables the device to keep the pressure discharging channel stably sealed after pressure discharging is completed, and therefore the problems of unstable pressure and engine oil leakage are effectively solved.
Preferably, a double-layer spring is further arranged between the front side sealing plug and the rear side sealing plug, the double-layer spring is of a structure that 2 springs with different diameters are nested mutually, a pressure discharge box is further nested at the front end of the front side sealing plug, and the sealing plug can effectively bear the pressure released by high-pressure gas in the oil pump due to the arrangement of the structure, so that the service life and the quality of the piston structure are prolonged, and the leakage problem is avoided.
Preferably, arrange and press box and front side sealing plug fixed connection, and arrange and press box and arrange the connectivity that the ware constitutes the integration to arrange and press the box left and right sides still symmetry and seted up 8 and arrange the indent, the setting up of above-mentioned structure makes the device can be convenient for high-efficient stable pressure release operation of carrying on, thereby can quick pressure release the availability factor of lifting machine oil pump.
Compared with the prior art, the utility model has the following beneficial effects:
1. the anti-leakage oil pump capable of safely relieving pressure is provided with a pressure relief inlet pipe, a connector pipe, an anti-leakage groove, a rubber gasket and a flow guide pipe, wherein a tight sealing structure is formed by the pressure relief inlet pipe and the connector pipe through a thread structure, the pressure relief inlet pipe, the anti-leakage pipe and the flow guide pipe are tightly fixed through bolts, and the rubber gasket is tightly embedded in the anti-leakage groove of the anti-leakage pipe to block a gap, so that the device can conveniently form a stable and closed pressure relief environment, and the purposes of effectively avoiding engine oil leakage and facilitating safe and stable pressure relief are achieved;
2. this safe pressure release prevent leaking oil pump, be provided with row depressor, the rear side sealing plug, the front side sealing plug, double-deck spring and the structure of row pressure box, through arranging depressor and arranging between the pressure box zonulae occludens rear side sealing plug and front side sealing plug, thereby utilize the closure of narrow piston structure reinforcing pressure release pipeline in preceding wide back, and utilize the principle of the pressurized bearing capacity of double-deck spring reinforcing rear side sealing plug and front side sealing plug, the pressurized bearing capacity that the realization device can effectively promote the pressure release valve, and then promote the pressure release safety ability of oil pump, the function of the life of device has effectively been promoted.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of a semi-sectional three-dimensional structure of an oil pump top shell of the utility model;
FIG. 3 is a schematic perspective view of a draft tube according to the present invention;
FIG. 4 is a perspective view of the leakage preventing tube of the present invention;
fig. 5 is a schematic diagram of a semi-sectional perspective structure of the pressure discharger according to the present invention.
In the figure: 1. an oil pump top shell; 2. an engine oil filter; 3. a bottom shell of the oil pump; 4. a pressure relief groove; 5. a pressure relief inlet pipe; 6. a mouthpiece; 7. a leakage-proof pipe; 8. a leakage-proof groove; 9. a rubber gasket; 10. a flow guide pipe; 11. a pressure discharging device; 12. a rear side sealing plug; 13. a front side sealing plug; 14. a double-layer spring; 15. a pressure discharge box; 16. and (4) discharging the pressure tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a leak-proof oil pump that is safe to vent, comprising: the oil pump pressure relief device comprises a pressure relief groove 4, a mouthpiece 6, a draft tube 10 and an exhaust pressure device 11, wherein the pressure relief groove 4 is formed in the right side of an oil pump top shell 1 and an oil pump bottom shell 3, a pressure relief inlet tube 5 is connected in the pressure relief groove 4, the mouthpiece 6 is installed at the upper end of the pressure relief inlet tube 5, an anti-leakage tube 7 is arranged at the bottom of the pressure relief inlet tube 5, the draft tube 10 is connected to the bottom end of the anti-leakage tube 7, and one side of the draft tube 10 is provided with the exhaust pressure device 11;
when the device is used, firstly, when an oil pump carries out pressure relief operation, a negative pressure space in a closed inner cavity formed by the oil pump top shell 1 and the oil pump bottom shell 3 together with the pressure relief groove 4 is released, air in the front pump body is pumped away from a joint pipe 6 of a pressure relief inlet pipe 5 and is stably pumped out of the outer side of the pump body along a leakage-proof pipe 7 and a flow guide pipe 10, so that the air is pumped out along a pressure discharger 11, and the air enters the inside of the pump body along a pipeline again after pressure relief, so that the pressure relief is finished.
During pressure relief, specifically, as shown in fig. 4 and 5, firstly, the inside of the oil pump is in a negative pressure state, then, the oil pump pressure relief switch is opened, the pressure relief box 15 is fixedly connected with the front side sealing plug 13, the pressure relief box 15 and the pressure relief device 11 form an integrated communication structure, 8 pressure relief grooves 16 are symmetrically formed in the left side and the right side of the pressure relief box 15, at this time, the 8 pressure relief grooves 16 push gas into the pressure relief box 15 and enter the pressure relief device 11 through communication hole grooves formed in the pressure relief box 15, at this time, the rear side sealing plug 12 is further nested on the rear side surface of the pressure relief device 11, the front side sealing plug 13 is further arranged on the front side of the rear side sealing plug 12, the rear side sealing plug 12 and the front side sealing plug 13 jointly form a cone-shaped solid rubber sealing plug with a wide front part and a narrow back part, when the air pressure is gradually balanced, the rear side sealing plug 12 is pressed and opened, so that a flow passage is formed, so as to release pressure to form a pressure balance state, a double-layer spring 14 is further arranged between the front side sealing plug 13 and the rear side sealing plug 12, the double-layer spring 14 is in a structure that 2 springs with different diameters are mutually nested, and a pressure discharge box 15 is further nested at the front end of the front side sealing plug 13, so that the rear side sealing plug 12 compresses the double-layer spring 14 to form an open channel when the oil pump releases pressure, further, air pressure balance is facilitated, the potential safety hazard caused by overlarge pressure is avoided, and then air gradually flows inwards from the pressure discharge box 15 to perform stable pressure release;
when the air pressure is gradually balanced, specifically, as shown in fig. 3 and 4, the upper end of the leakage-proof pipe 7 is further provided with a leakage-proof groove 8 with a concentric circle structure, the upper side of the leakage-proof groove 8 is further covered with a rubber gasket 9, the bottom end of the leakage-proof pipe 7 is further provided with a flow guide pipe 10 in a nested manner, when the air flow flows into the oil pump in the flow guide pipe 10, the air flow passes through the leakage-proof pipe 7 and is tightly blocked by the rubber gasket 9 above the leakage-proof groove 8, so that leakage at the joint of the pipeline is avoided, and further, gas leakage is effectively avoided, so as to rapidly balance the air pressure, the flow guide pipe 10 and the leakage-proof pipe 7 form a closed fixing structure through bolts, the flow guide pipe 10 is in an "L" shaped structure, and the flow guide pipe 10 and the pressure discharger 11 form a closed fixing structure, so that the inside of the pipeline can be stably closed during pressure discharge, so as to reduce the gas leakage, thereby rapidly balancing the air pressure inside the pump body, the safety performance of the device is improved;
when the pressure relief is to be completed, specifically, as shown in fig. 1, 2 and 4, the mouthpiece 6 is in threaded connection with the pressure relief inlet pipe 5, the pressure relief inlet pipe 5 is in a conical structure with a narrow top and a wide bottom, the pressure relief inlet pipe 5 and the leakage-proof pipe 7 form a fixed structure through bolts, the pressure relief inlet pipe 5, the mouthpiece 6 and the leakage-proof pipe 7 are in a stainless steel pipeline structure communicated with each other, when external air enters the pressure relief groove 4, a closed smooth pipeline structure formed by the pressure relief inlet pipe 5, the mouthpiece 6 and the leakage-proof pipe 7 in a jointly-connected manner can facilitate air flow and effectively prevent potential safety hazards caused by the outward leakage of engine oil, and meanwhile, the pressure relief inlet pipe 5 is in a conical structure with a narrow top and a wide bottom and can facilitate the exhaust of a pump body when negative pressure is formed again, the pressure relief inlet pipe 5 forms a nested structure with the top housing 1 and the bottom housing 3 of the engine oil pump through the pressure relief groove 4, and the pressure relief groove 4, the oil pump top shell 1 and the oil pump bottom shell 3 form an integrated structure, and the pressure relief inlet pipe 5 is fixedly connected with the pressure relief groove 4, so that after the inside of the pump body is completely filled with gas, the pressure inside the pressure relief groove 4, the oil pump top shell 1 and the oil pump bottom shell 3 is kept consistent with the outside, a negative pressure state cannot be formed, and the pressure relief of the pump body is completed.
The working principle is as follows: when the device is used, as shown in figures 1-5, firstly, when the oil pump releases pressure, the pressure relief switch is opened, so that the gas flows inwards along the pressure discharge groove 16 of the pressure discharge box 15, further, the flow is guided into the flow guide pipe 10 through the pressure discharger 11, and when passing through the pressure discharger 11, the front side sealing plug 13 is in a sealing state, and the double-layer spring 14 is compressed to drive the rear sealing plug 12 to be opened, so as to form a channel structure, so as to keep the air pressure balanced, then the air is filled in the leakage-proof pipe 7 and the pressure relief inlet pipe 5, the tight and stable connection of the pipelines is kept by the tight embedding structure of the leakage-proof groove 8 and the rubber gasket 9, thereby being convenient for forming a closed state to keep the safety and stability of the pressure relief of the pump body, finally completing the pressure relief after the inside of the oil pump top shell 1 and the oil pump bottom shell 3 is filled with gas, and the air pressure in the pump body is kept consistent with the outside, which is the working principle of the leakage-proof engine oil pump with safe pressure relief.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A safe pressure relief leakage-proof oil pump mainly comprises an oil pump top shell, an oil filter and an oil pump bottom shell, wherein the oil filter is arranged inside the oil pump top shell, and the oil pump bottom shell is connected below the oil pump top shell;
it is characterized by comprising:
the pressure relief groove is formed in the right side of the oil pump top shell and the right side of the oil pump bottom shell, and a pressure relief inlet pipe is connected in the pressure relief groove;
the interface tube is arranged at the upper end of the pressure relief inlet tube, and the bottom of the pressure relief inlet tube is provided with a leakage-proof tube;
and the guide pipe is connected to the bottom end of the leakage-proof pipe, and a pressure discharging device is arranged on one side of the guide pipe.
2. A leak protection oil pump with safe pressure relief as claimed in claim 1, further comprising: the pressure relief inlet pipe, the oil pump top shell and the oil pump bottom shell form a nested structure through the pressure relief groove, the oil pump top shell and the oil pump bottom shell form an integrated structure, and the pressure relief inlet pipe is fixedly connected with the pressure relief groove.
3. A leak preventer pump for safety venting according to claim 1, further comprising: the mouth-piece is connected with pressure release inlet tube threaded connection, and the pressure release inlet tube is narrow down wide circular cone column structure to the pressure release inlet tube passes through the bolt with the leak protection pipe and constitutes fixed knot and construct, and pressure release inlet tube, mouth-piece and leak protection pipe are the stainless steel pipeline structure of intercommunication each other jointly simultaneously.
4. A leak preventer pump for safety venting according to claim 1, further comprising: the upper end of the leakage-proof pipe is also provided with a leakage-proof groove with a concentric circle structure, the upper side of the leakage-proof groove is covered with a rubber gasket, and the bottom end of the leakage-proof pipe is also provided with a guide pipe in an embedded mode.
5. A leak preventer pump for safety venting according to claim 1, further comprising: the honeycomb duct and the leak-proof pipe form a closed fixing structure through bolts, the honeycomb duct is of an L-shaped structure, and the honeycomb duct and the pressure discharger form a closed fixing structure.
6. A leak protection oil pump with safe pressure relief as claimed in claim 1, further comprising: the back side surface of the pressure relief device is also provided with a back side sealing plug in a nested manner, the front side of the back side sealing plug is also provided with a front side sealing plug, and the back side sealing plug and the front side sealing plug jointly form a conical solid rubber structure with a wide front part and a narrow back part.
7. A leak protection oil pump with safe pressure relief as claimed in claim 6, wherein: and a double-layer spring is further arranged between the front side sealing plug and the rear side sealing plug, the double-layer spring is in a structure that 2 springs with different diameters are mutually nested, and the front end of the front side sealing plug is further provided with a pressure discharge box in a nested manner.
8. A leak preventer pump for safety venting according to claim 7, further comprising: the pressure discharge box is fixedly connected with the front side sealing plug, the pressure discharge box and the pressure discharge device form an integrated communication structure, and 8 pressure discharge grooves are symmetrically formed in the left side and the right side of the pressure discharge box.
CN202123223711.XU 2021-12-21 2021-12-21 Safe pressure relief leakage-proof oil pump Active CN216974959U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123223711.XU CN216974959U (en) 2021-12-21 2021-12-21 Safe pressure relief leakage-proof oil pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123223711.XU CN216974959U (en) 2021-12-21 2021-12-21 Safe pressure relief leakage-proof oil pump

Publications (1)

Publication Number Publication Date
CN216974959U true CN216974959U (en) 2022-07-15

Family

ID=82348615

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123223711.XU Active CN216974959U (en) 2021-12-21 2021-12-21 Safe pressure relief leakage-proof oil pump

Country Status (1)

Country Link
CN (1) CN216974959U (en)

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