CN217421398U - Plunger type high-pressure oil pump - Google Patents
Plunger type high-pressure oil pump Download PDFInfo
- Publication number
- CN217421398U CN217421398U CN202221348009.8U CN202221348009U CN217421398U CN 217421398 U CN217421398 U CN 217421398U CN 202221348009 U CN202221348009 U CN 202221348009U CN 217421398 U CN217421398 U CN 217421398U
- Authority
- CN
- China
- Prior art keywords
- oil
- plunger
- pipe
- cavity
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Electromagnetic Pumps, Or The Like (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses a plunger type high-pressure oil pump, it includes the pump body, plunger subassembly, oil pocket and solenoid valve unit spare, one side of the pump body is equipped with out oil pipe, the oil pocket sets up with solenoid valve unit spare intercommunication, solenoid valve unit spare passes through plunger subassembly and goes out oil pipe intercommunication setting, it is equipped with out oil valve unit spare to go out oil pipe department, it includes the play oil valve and the play oil nozzle that the components of a whole that can function independently set up to go out oil valve unit spare, go out oil valve fixed set up in the play oil pipe, go out oil nozzle with go out oil pipe fixed connection, the play oil valve includes that disk seat and cover are located oil shield on the disk seat, oil shield circumference is equipped with a plurality of apertures, form the cavity that can hold the ball core between oil shield and the disk seat, be equipped with the elastic component between ball core and the oil shield. The oil outlet assembly is arranged to be of a split structure, the oil outlet nozzle can be installed after the oil outlet valve is installed, the installation structure is simple, and the installation reliability of the oil outlet valve can be guaranteed.
Description
Technical Field
The utility model particularly relates to a plunger type high-pressure oil pump.
Background
Most of the conventional oil discharge assemblies of the plunger type high pressure oil pump are integrally installed and then fixed to a pump body, but the diameter of the oil discharge nozzle is small, so that time is consumed in assembling the oil discharge valve, and the reliability of the oil discharge valve is ensured, thereby reducing the production efficiency.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art existence, the utility model aims to provide a plunger type high-pressure oil pump.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a plunger type high-pressure oil pump, its includes the pump body, plunger subassembly, oil pocket and solenoid valve subassembly, the bottom of oil pocket is equipped with into oil pipe, one side of the pump body is equipped with out oil pipe, the oil pocket sets up with solenoid valve subassembly intercommunication, solenoid valve subassembly passes through plunger subassembly and goes out oil pipe intercommunication setting, it is equipped with out oil valve subassembly to go out oil pipe department, it includes the play oil valve and the play oil nozzle that the components of a whole that can function independently set up to go out oil valve subassembly, it is in to go out oil valve is fixed to be set up in the play oil pipe, go out oil nozzle with go out oil pipe fixed connection, it locates to go out oil valve including disk seat and cover oil cover on the disk seat, oil cover circumference is equipped with a plurality of apertures, form the cavity that can hold the ball core between oil cover and the disk seat, be equipped with the elastic component between ball core and the oil cover.
The oil outlet pipe is internally provided with an inner pipe and an outer pipe, the diameter of the inner pipe is smaller than that of the outer pipe, the valve seat is fixedly connected with the inner pipe, and the oil outlet nozzle is fixedly connected with the outer pipe.
An oil outlet cavity is formed between the electromagnetic valve component and the pump body, and the oil cavity is communicated with the oil outlet cavity through an oil inlet pipeline.
The oil cavity is formed by connecting an oil cavity cover and a pump body, and the oil inlet pipe and the oil cavity cover are integrally formed.
The plunger subassembly includes the plunger bushing, slides complex plunger, casing, setting at the terminal locating part of plunger and sets up the elastic component between locating part and casing with the plunger bushing, the plunger bushing is inserted and is located in the pump body, the casing is connected with the pump body, the plunger passes the casing sets up, be equipped with the sealing washer between plunger and the casing, the cooperation department of plunger and casing is equipped with the clamping ring, the clamping ring is located the sealing washer inboard.
An oil return cavity is formed between the shell and the plunger sleeve, an oil return pipeline is arranged on the pump body, one end of the oil return pipeline is communicated with the oil return cavity, and the other end of the oil return pipeline is communicated with an oil inlet pipeline between the oil cavity and the electromagnetic valve component.
The oil return pipeline is arranged in parallel with the plunger.
The shell is in threaded connection with the pump body, and a sealing ring is arranged at the joint of the shell and the pump body.
The utility model has the advantages that: the oil outlet assembly is arranged into a split structure, the oil outlet nozzle can be installed after the oil outlet valve is installed, the installation structure is simple, and the installation reliability of the oil outlet valve can be guaranteed.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention.
Fig. 2 is a schematic cross-sectional view of another angle of the present invention.
Fig. 3 is a schematic sectional view of the delivery valve of the present invention.
Fig. 4 is a schematic structural view of the oil outlet pipe 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "secured" are to be construed broadly, and thus, for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically connected or connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in the figure, the plunger type high-pressure oil pump comprises a pump body 1, a plunger assembly, an oil cavity 2 and a solenoid valve assembly 3, an oil inlet pipe 22 is arranged at the bottom of the oil cavity 2, an oil outlet pipe is arranged at one side of the pump body 1, the oil cavity 2 is communicated with the electromagnetic valve component 3, the electromagnetic valve component 3 is communicated with the oil outlet pipe through a plunger component, the oil outlet pipe is provided with an oil outlet valve component 4, the oil outlet valve assembly 4 comprises an oil outlet valve 42 and an oil outlet nozzle 41 which are separately arranged, the oil outlet valve 42 is fixedly arranged in the oil outlet pipe, the oil outlet nozzle 41 is fixedly connected with the oil outlet pipe, the oil outlet valve comprises a valve seat 421 and an oil cover 422 covering the valve seat 421, a plurality of small holes are formed in the circumferential direction of the oil cover 422, a cavity capable of containing the ball core 423 is formed between the oil cover 422 and the valve seat 421, and an elastic part is arranged between the ball core 423 and the oil cover 422.
An inner pipe 13 and an outer pipe 14 are arranged in the oil outlet pipe, the diameter of the inner pipe is smaller than that of the outer pipe, the valve seat is fixedly connected with the inner pipe, and the oil outlet nozzle is fixedly connected with the outer pipe. The diameter of the outer pipeline is larger than that of the inner pipeline, so that the oil outlet valve is convenient to assemble, and the oil outlet valve is simpler and quicker to install.
An oil outlet cavity 31 is formed between the electromagnetic valve component and the pump body, the oil cavity is communicated with the oil outlet cavity through an oil inlet pipeline 11, namely the front end circumference of the valve body of the electromagnetic valve component is in sealing fit with the pump body, the rear side of the valve body forms the oil outlet cavity, and an oil inlet hole is formed in the valve body, so that oil can conveniently flow into the plunger cavity through the valve body.
The oil cavity is formed by connecting an oil cavity cover 21 and the pump body 1, the oil inlet pipe and the oil cavity cover are integrally formed, and the oil cavity is designed in a split mode, so that the machining difficulty of the oil cavity can be reduced, and the assembling efficiency can be improved.
Plunger subassembly includes plunger sleeve 51, with plunger sleeve 51 sliding fit's plunger 54, casing 53, set up at terminal locating part 55 of plunger and set up the elastic component between locating part and casing, plunger sleeve 51 is inserted and is located in the pump body 1, casing and pump body coupling, the plunger passes the casing setting, be equipped with sealing washer 56 between plunger and the casing, the sealing washer plays the effect that increases the leakproofness between casing and the plunger, the cooperation department of plunger and casing is equipped with clamping ring 57, the clamping ring is located the sealing washer inboard, avoids the plunger directly to touch with the sealing member, influences sealed effect. The plunger sleeve is directly inserted into the pump body, namely, an insertion hole is formed in the pump body, a plunger cavity is formed at the tail end of the insertion hole, two ends of the insertion hole are respectively communicated with the oil outlet pipe and the electromagnetic valve assembly, a wall used for being matched with the shell is arranged on the outer circumference of the insertion hole, the shell and the wall form threaded connection to complete assembly of the shell, meanwhile, a sealing ring is arranged between the shell and the pump body to play a sealing role, meanwhile, a space between the insertion hole and the plunger sleeve can be used as an oil return cavity, namely, an oil return cavity 52 is formed between the shell and the plunger sleeve, an oil return pipeline 12 is arranged on the pump body, one end of the oil return pipeline is communicated with the oil return cavity, and the other end of the oil return pipeline is communicated with an oil inlet pipeline 11 between the oil cavity and the electromagnetic valve assembly.
The oil return pipeline is arranged in parallel with the plunger. The oil return pipeline is simpler to process.
The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.
Claims (8)
1. The utility model provides a plunger type high-pressure oil pump, its includes the pump body (1), plunger subassembly, oil pocket (2) and solenoid valve subassembly (3), the bottom of oil pocket (2) is equipped with into oil pipe (22), one side of the pump body (1) is equipped with out oil pipe, oil pocket (2) and solenoid valve subassembly (3) intercommunication setting, solenoid valve subassembly (3) are through plunger subassembly and play oil pipe intercommunication setting, it is equipped with out oil valve subassembly (4), its characterized in that to go out oil pipe department: go out oil valve subassembly (4) including oil valve (42) and oil outlet (41) that the components of a whole that can function independently set up, it is in to go out oil valve (42) fixed the setting go out in the oil pipe, go out oil outlet (41) with go out oil pipe fixed connection, it includes that disk seat (421) and cover are located to go out oil valve oil cover (422) on disk seat (421), oil cover (422) circumference is equipped with a plurality of apertures, form the cavity that can hold ball core (423) between oil cover (422) and disk seat (421), be equipped with the elastic component between ball core (423) and oil cover (422).
2. The plunger type high-pressure oil pump as set forth in claim 1, wherein: an inner pipe (13) and an outer pipe (14) are arranged in the oil outlet pipe, the diameter of the inner pipe is smaller than that of the outer pipe, the valve seat is fixedly connected with the inner pipe, and the oil outlet nozzle is fixedly connected with the outer pipe.
3. The plunger type high-pressure oil pump as set forth in claim 1, wherein: an oil outlet cavity (31) is formed between the electromagnetic valve component and the pump body, and the oil outlet cavity is communicated with the oil outlet cavity through an oil inlet pipeline (11).
4. A plunger type high-pressure oil pump as set forth in claim 1 or 3, characterized in that: the oil cavity is formed by connecting an oil cavity cover (21) and a pump body (1), and the oil inlet pipe and the oil cavity cover are integrally formed.
5. The plunger type high-pressure oil pump as set forth in claim 1, wherein: the plunger assembly comprises a plunger sleeve (51), a plunger (54) in sliding fit with the plunger sleeve (51), a shell (53), a limiting part (55) arranged at the tail end of the plunger and an elastic part arranged between the limiting part and the shell, the plunger sleeve (51) is inserted into the pump body (1), the shell is connected with the pump body, the plunger penetrates through the shell, a sealing ring (56) is arranged between the plunger and the shell, a pressing ring (57) is arranged at the matching position of the plunger and the shell, and the pressing ring is located on the inner side of the sealing ring.
6. The plunger type high pressure oil pump as set forth in claim 5, wherein: an oil return cavity (52) is formed between the shell and the plunger sleeve, an oil return pipeline (12) is arranged on the pump body, one end of the oil return pipeline is communicated with the oil return cavity, and the other end of the oil return pipeline is communicated with an oil inlet pipeline (11) between the oil cavity and the electromagnetic valve component.
7. The plunger type high-pressure oil pump as set forth in claim 6, wherein: the oil return pipeline is arranged in parallel with the plunger.
8. The plunger type high-pressure oil pump as set forth in claim 5, wherein: the shell is in threaded connection with the pump body, and a sealing ring is arranged at the joint of the shell and the pump body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221348009.8U CN217421398U (en) | 2022-06-01 | 2022-06-01 | Plunger type high-pressure oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221348009.8U CN217421398U (en) | 2022-06-01 | 2022-06-01 | Plunger type high-pressure oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217421398U true CN217421398U (en) | 2022-09-13 |
Family
ID=83190922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221348009.8U Active CN217421398U (en) | 2022-06-01 | 2022-06-01 | Plunger type high-pressure oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217421398U (en) |
-
2022
- 2022-06-01 CN CN202221348009.8U patent/CN217421398U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217421398U (en) | Plunger type high-pressure oil pump | |
| CN217632742U (en) | High-pressure oil pump | |
| CN209430822U (en) | A kind of assembling structure of low pressure pipe connector and aluminium alloy valve body | |
| CN216976159U (en) | Sealing structure of blind-mate connector | |
| CN220815852U (en) | Sealing structure for shortening air filtering length and air filter | |
| CN217602815U (en) | High-pressure oil pump | |
| CN217462381U (en) | High-pressure oil pump | |
| CN208474717U (en) | A kind of effective integral type attaching type connector of cotton thread | |
| CN210484752U (en) | Electromagnetic valve capable of reducing pressure loss | |
| CN217632740U (en) | Electronic fuel injection nozzle | |
| CN216617711U (en) | Improved diesel pump assembly structure | |
| CN217632743U (en) | Low-pressure high-pressure dual-purpose oil pump | |
| CN215744169U (en) | Easily-machined spray nozzle of hydrogen spraying valve | |
| CN217567815U (en) | Hot melt joint sealing structure of pre-filter | |
| CN220302242U (en) | High-pressure fuel pump with sealing structure | |
| CN211650356U (en) | Gas pipeline structure and gas stove with same | |
| CN212708756U (en) | Novel solid tire structure | |
| CN208589352U (en) | The outer housing of false pen-type ignition coil | |
| CN220424745U (en) | Sealing structure between filter element and flange plate | |
| CN217723493U (en) | Linear air leakage sealing piece, linear electromagnetic valve and sphygmomanometer | |
| CN212959865U (en) | Connect bucket valve soon | |
| CN219654747U (en) | Diffuser for turbocharger, turbine housing and turbocharger | |
| CN108612642B (en) | Vacuum pump connection structure convenient to change of new energy automobile | |
| CN215334954U (en) | Oil suction pipe of automobile bottom shell | |
| CN213064787U (en) | Pressure regulator with high-strength leather membrane assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |