CN216278320U

CN216278320U - Efficient injection pump plunger of oil pressure

Info

Publication number: CN216278320U
Application number: CN202121746878.1U
Authority: CN
Inventors: 李进
Original assignee: Yizheng Weiye Oil Pump And Nozzle Co ltd
Current assignee: Yizheng Weiye Oil Pump And Nozzle Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-04-12
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses an oil injection pump plunger with good oil pressure efficiency, which has the technical scheme key points that: the oil-feeding device comprises a shell, wherein an oil-feeding groove is formed in one side of the shell, a movable groove is formed in the shell, and the movable groove is communicated with the oil-feeding groove; the stamping block is movably sleeved in the oil feeding groove, a connecting column is fixedly installed on one side of the stamping block, an oil feeding plug is fixedly installed on one side of the connecting column, and a pushing column is fixedly installed on the outer circle wall surface of the bearing; when using, the accessible starts driving motor, makes driving motor's axis of rotation drive eccentric block and rotates to realize that the bearing drives the effect to the inside extrusion of oil feeding groove that promotes the post relapse, make and promote the post and drive the punching press piece and relapse in the inside activity of oil feeding groove, realize driving the effect of oil feeding plug at the inside removal of oil feeding groove, drive the oil feeding plug through driving motor and remove, provide incessant traction force for oil feeding plug, realize increasing the effect of oil feeding efficiency.

Description

Efficient injection pump plunger of oil pressure

Technical Field

The utility model relates to the technical field of oil injection pump plungers, in particular to an oil injection pump plunger with good oil pressure efficiency.

Background

The plunger pump is an important device of the hydraulic system. The plunger reciprocates in the cylinder body to change the volume of the sealed working cavity so as to absorb and press oil. The plunger pump has the advantages of high rated pressure, compact structure, high efficiency, convenient flow regulation and the like.

For example, chinese patent publication No. CN213144642U proposes a plunger type fuel injection pump, in which a tappet roller is engaged with an arc surface of a cam, so that the cam rotates to push the tappet roller, the tappet, a lower spring seat, and the plunger to move up and down, and the tappet roller rotates during the up and down movement, so as to reduce frictional resistance between the tappet roller and the cam, and prevent the tappet roller from being stuck during the movement, and a spring can make the tappet roller always press on the cam, so that the plunger can automatically return after the plunger completes the up movement, but in actual use, the fuel injection pump has a smaller traction force of the plunger and a lower oil pressure delivery efficiency, and for example, chinese patent publication No. CN210799207U proposes a plunger type fuel injection pump, in which the roller and a connector are hinged to each other under the engagement between a rotating shaft and a first through hole, and further under the action of a cam shaft, the connecting body is made to move up and down in a reciprocating mode, the top of the connecting body is combined with the plunger, the plunger is made to slide in a reciprocating mode, the top of the plunger is combined with the oil outlet valve, the oil outlet valve is made to move in a reciprocating mode, the traction force of the same oil injection pump plunger is small, the oil outlet efficiency is low, and the oil injection pump plunger with good oil pressure efficiency is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

In view of the problems mentioned in the background art, an object of the present invention is to provide a plunger of an injection pump with good oil pressure efficiency, so as to solve the problems mentioned in the background art.

The technical purpose of the utility model is realized by the following technical scheme:

an injection pump plunger that oil pressure is efficient includes: the oil feeding device comprises a shell, wherein an oil feeding groove is formed in one side of the shell, a movable groove is formed in the shell, and the movable groove is communicated with the oil feeding groove; the stamping block is movably sleeved in the oil feeding groove, a connecting column is fixedly installed on one side of the stamping block, and an oil feeding plug is fixedly installed on one side of the connecting column; the resetting oil feeding assembly is arranged on one side of the shell and used for continuously pushing the oil feeding plug, and the resetting oil feeding assembly comprises: the groove rotates, it sets up to rotate the groove one side of casing, rotate the groove with the movable groove communicates each other, one side fixed mounting of casing has driving motor, driving motor's axis of rotation activity cup joints the inside in rotation groove, the inside in movable groove is provided with the bearing, the fixed eccentric block that has cup jointed of interior circle wall of bearing, the one end of driving motor axis of rotation with one side fixed connection of eccentric block is in the same place, the excircle wall fixed mounting of bearing has the promotion post.

Through adopting above-mentioned technical scheme, through setting up driving motor, accessible start driving motor when using, the axis of rotation that makes driving motor drives eccentric block and rotates, thereby realize that the bearing drives the effect to the inside extrusion of oil feed groove that promotes the post relapse, make and promote the post and drive the punching press piece and relapse in the inside activity of oil feed groove, the realization drives the effect of oil feed stopper at the inside removal of oil feed groove, it removes to drive the oil feed stopper through driving motor, for providing incessant traction force for the oil feed stopper, realize increasing the effect of oil feed efficiency.

Preferably, the reset oil sending component further comprises: the extension groove is formed in one side of the stamping block, and two mounting columns are fixedly mounted on the outer circle wall surface of the pushing column; two mounting grooves, two the mounting groove is seted up respectively extend the left and right sides of groove, the erection column activity cup joints the inside of mounting groove.

Through adopting above-mentioned technical scheme, through setting up the extension groove, through cup jointing the erection column activity in the inside of mounting groove, when start-up driving motor drove the promotion post swing propelling movement, can effectually avoid promoting the promotion scope of post to be obstructed, lead to the circumstances of the efficiency reduction of oil delivery to take place.

Preferably, an auxiliary ring is fixedly sleeved on the inner circular wall surface of the oil feeding groove, the outer circular wall surface of the connecting column is movably sleeved on the inner circular wall surface of the auxiliary ring, a spring is movably sleeved on the outer circular wall surface of the connecting column, one end of the spring is fixedly connected with the auxiliary ring, and the other end of the spring is fixedly connected with the stamping block.

Through adopting above-mentioned technical scheme, through setting up the spring, when the start-up driving motor drives the punching press piece and removes, the spring this moment can contract, receives when the punching press piece pulls the rebound that promotes the post when removing, and the spring this moment can extend, promotes the punching press piece and resets, and further increased the response speed that resets and improved oil efficiency.

Preferably, a sealing gasket is fixedly arranged on one side of the oil feeding plug.

Through adopting above-mentioned technical scheme, through setting up sealed the pad, can drive sealed the pad and remove in the inside of sending the oil groove when starting driving motor and driving the oil feeding plug and remove, increase the leakproofness through sealed pad and the inside laminating of sending the oil groove, avoid atmospheric pressure to reveal, lead to the oil efficiency to reduce.

Preferably, one side of the shell is also provided with a control assembly for adjusting the oil outlet amount.

Through adopting above-mentioned technical scheme, through setting up the control assembly, can realize the effect that the oil feed is out of oil.

Preferably, the control assembly comprises: the T-shaped pipe is arranged on one side of the shell, the outer circle wall face on one side of the T-shaped pipe is fixedly sleeved on the inner circle wall face of the oil supply groove, a first one-way valve is fixedly mounted at the top end of the T-shaped pipe, and a second one-way valve is fixedly mounted at the bottom end of the T-shaped pipe.

Through adopting above-mentioned technical scheme, through setting up the T venturi tube, the accessible injects oil into the second check valve when using, send oil into the perpendicular chamber of T venturi tube by the second check valve, and accessible oil feed stopper removes in the inside of oil feed groove this moment, extrudees the perpendicular chamber of T venturi tube, makes its internal pressure grow, flushes first check valve, makes oil follow first check valve and send out the external world, realizes the effect of producing oil.

In summary, the utility model mainly has the following beneficial effects:

by arranging the driving motor, when in use, the driving motor can be started, so that the rotating shaft of the driving motor drives the eccentric block to rotate, the effect that the bearing drives the pushing column to repeatedly extrude the pushing column into the oil feeding groove is realized, the pushing column drives the punching block to repeatedly move in the oil feeding groove, the effect that the oil feeding plug is driven to move in the oil feeding groove is realized, the oil feeding plug is driven to move by the driving motor, uninterrupted traction force is provided for the oil feeding plug, the effect of increasing the oil feeding efficiency is realized, by arranging the extending groove, the installation column is movably sleeved in the installation groove, when the driving motor is started to drive the pushing column to swing and push, the situation that the pushing range of the pushing column is blocked, the efficiency of oil feeding is reduced can be effectively avoided, by arranging the spring, when the driving motor is started to drive the punching block to move, the spring at the moment can contract, when the punching block is pulled by the pushing column to move back, at the moment, the spring can be expanded to push the stamping block to reset, the reset response speed is further increased, and the oil outlet efficiency is improved.

Through setting up sealed the pad, can drive sealed the pad and remove in the inside of sending the oil groove when the start drive motor drives the oil plug of sending and removes, through sealed pad and the inside laminating increase leakproofness of oil groove of sending, avoid atmospheric pressure to reveal, lead to the oil efficiency to reduce, through setting up the T venturi tube, the accessible pours into oil into the second check valve into when using, send oil into the perpendicular chamber of T venturi tube into by the second check valve, the accessible sends the oil plug and removes in the inside of sending the oil groove this moment, the perpendicular chamber of extrusion T venturi tube, make its internal pressure grow, break away first check valve, make oil send out the external world from first check valve, realize the effect of producing oil.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the housing construction of the present invention;

FIG. 3 is a schematic view of the eccentric mass structure of the present invention;

fig. 4 is a schematic view of the stretching groove structure of the present invention.

Reference numerals: 1. a housing; 2. an oil supply groove; 3. a movable groove; 4. stamping the blocks; 5. connecting columns; 6. an oil feeding plug; 7. a rotating groove; 8. a drive motor; 9. a bearing; 10. an eccentric block; 11. pushing the column; 12. an extension groove; 13. mounting a column; 14. mounting grooves; 15. an auxiliary ring; 16. a spring; 17. a gasket; 18. a T-shaped pipe; 19. a first check valve; 20. a second one-way valve.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and fig. 2 and fig. 3 and fig. 4, an efficient injection pump plunger of oil pressure, which comprises a housing 1, oil feed groove 2 has been seted up to one side of casing 1, movable groove 3 has been seted up to casing 1's inside, movable groove 3 communicates with oil feed groove 2 each other, oil feed groove 2's inside activity has been cup jointed punching press piece 4, one side fixed mounting of punching press piece 4 has spliced pole 5, one side fixed mounting of spliced pole 5 has oil feed plug 6, one side of casing 1 is provided with the oil feeding subassembly that resets, an oil feeding plug 6 for incessant promotion, the oil feeding subassembly that resets includes: a rotating groove 7, the rotating groove 7 is arranged at one side of the shell 1, the rotating groove 7 is communicated with the movable groove 3, a driving motor 8 is fixedly arranged at one side of the shell 1, the rotating shaft of the driving motor 8 is movably sleeved in the rotating groove 7, a bearing 9 is arranged in the movable groove 3, an eccentric block 10 is fixedly sleeved on the inner circular wall surface of the bearing 9, one end of the rotating shaft of the driving motor 8 is fixedly connected with one side of the eccentric block 10, a pushing column 11 is fixedly arranged on the outer circular wall surface of the bearing 9, the driving motor 8 can be started when in use, so that the rotating shaft of the driving motor 8 drives the eccentric block 10 to rotate, the effect that the pushing column 11 is driven by the bearing 9 to repeatedly extrude the pushing column 11 into the oil feeding groove 2 is realized, the pushing column 11 drives the stamping block 4 to repeatedly move in the oil feeding groove 2, and the effect that the oil feeding plug 6 is driven to move in the oil feeding groove 2 is realized, drive through driving motor 8 and send oil plug 6 to remove, for sending oil plug 6 to provide incessant traction force, realize increasing the effect of sending oily efficiency, reset and send oil subassembly still includes: extend groove 12, extend groove 12 and set up in one side of punching press piece 4, the excircle wall fixed mounting that promotes post 11 has two erection columns 13, mounting groove 14 has been seted up respectively to the left and right sides that extends groove 12, erection column 13 activity cup joints the inside at mounting groove 14, extend groove 12 through setting up, through cup jointing erection column 13 activity in the inside of mounting groove 14, when starting driving motor 8 and driving promotion post 11 swing propelling movement, can effectually avoid promoting the promotion scope of post 11 to be obstructed, the condition that leads to the efficiency of oil feed to reduce takes place.

Referring to fig. 2 and 4, an auxiliary ring 15 is fixedly sleeved on the inner circular wall surface of the oil feeding groove 2, an outer circular wall surface of the connecting column 5 is movably sleeved on the inner circular wall surface of the auxiliary ring 15, a spring 16 is movably sleeved on the outer circular wall surface of the connecting column 5, one end of the spring 16 is fixedly linked with the auxiliary ring 15, the other end of the spring 16 is fixedly connected with the stamping block 4, by arranging the spring 16, when the driving motor 8 is started to drive the stamping block 4 to move, the spring 16 can contract at the moment, when the stamping block 4 moves back under the traction of the pushing column 11, the spring 16 can be expanded at the moment to push the stamping block 4 to reset, the response speed of resetting is further increased to improve the oil discharging efficiency, a sealing gasket 17 is fixedly arranged on one side of the oil feeding plug 6, by arranging the sealing gasket 17, when the driving motor 8 is started to drive the oil feeding plug 6 to move, the sealing gasket 17 can be driven to move in the oil feeding groove 2, through sealed 17 and the inside laminating increase leakproofness of oil feed groove 2 of sealing up, avoid atmospheric pressure to reveal, lead to the oil efficiency to reduce.

Referring to fig. 1 and 2, one side of the housing 1 is further provided with a control assembly for adjusting the oil output, the control assembly including: t venturi tube 18, T venturi tube 18 sets up the one side at casing 1, the fixed interior round wall that cup joints at oil feed groove 2 of excircle wall of T venturi tube 18 one side, the top fixed mounting of T venturi tube 18 has first check valve 19, the bottom fixed mounting of T venturi tube 18 has second check valve 20, through setting up T venturi tube 18, the accessible injects oil into second check valve 20 when using, send oil into the perpendicular chamber of T venturi tube 18 by second check valve 20, accessible oil feed stopper 6 removes in the inside of oil feed groove 2 this moment, the perpendicular chamber of extrusion T venturi tube 18, make its internal pressure grow, kick-open first check valve 19, make oil from first check valve 19 the external world, realize the effect of producing oil.

The working principle is as follows: referring to fig. 1, 2, 3 and 4, in use, oil may be introduced into the vertical lumen of the tee 18 by injecting oil into the second one-way valve 20, passing oil from the second one-way valve 20, the rotating shaft of the driving motor 8 can drive the eccentric block 10 to rotate by starting the driving motor 8, thereby realizing the effect that the bearing 9 drives the pushing column 11 to repeatedly extrude towards the inside of the oil feeding groove 2, enabling the pushing column 11 to drive the stamping block 4 to repeatedly move in the oil feeding groove 2, the spring 16 at the moment can contract, realizing the driving of the oil feeding plug 6 to move in the oil feeding groove 2 to extrude the T-shaped pipe 18, increasing the internal pressure of the T-shaped pipe 18, flushing the first one-way valve 19, enabling the oil to be sent out from the outside through the first one-way valve 19, realizing the effect of oil outlet, when the punch 4 is pulled by the pushing column 11 to move back, the spring 16 at the moment can be expanded to push the punch 4 to reset, and the response speed of resetting is further increased to improve the oil outlet efficiency.

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

1. The utility model provides an efficient injection pump plunger of oil pressure which characterized in that includes:

the oil-gas separation device comprises a shell (1), wherein an oil feeding groove (2) is formed in one side of the shell (1), a movable groove (3) is formed in the shell (1), and the movable groove (3) is communicated with the oil feeding groove (2);

the stamping block (4) is movably sleeved in the oil feeding groove (2), a connecting column (5) is fixedly installed on one side of the stamping block (4), and an oil feeding plug (6) is fixedly installed on one side of the connecting column (5);

a reset oil feeding assembly arranged on one side of the shell (1) and used for continuously pushing the oil feeding plug (6), wherein the reset oil feeding assembly comprises: rotate groove (7), it sets up to rotate groove (7) one side of casing (1), rotate groove (7) with movable groove (3) communicate each other, one side fixed mounting of casing (1) has driving motor (8), the axis of rotation activity of driving motor (8) is cup jointed rotate the inside of groove (7), the inside of movable groove (3) is provided with bearing (9), eccentric block (10) have been cup jointed to the interior round wall of bearing (9) is fixed, the one end of driving motor (8) axis of rotation with one side fixed connection of eccentric block (10) is in the same place, the excircle wall fixed mounting of bearing (9) has promotion post (11).

2. The hydraulically efficient plunger for an oil injection pump of claim 1, wherein said reset oil feed assembly further comprises:

the stretching groove (12) is formed in one side of the stamping block (4), and two mounting columns (13) are fixedly mounted on the outer circular wall surface of the pushing column (11);

the mounting structure comprises two mounting grooves (14), wherein the mounting grooves (14) are respectively arranged on the left side and the right side of the extension groove (12), and the mounting column (13) is movably sleeved in the mounting grooves (14).

3. The oil injection pump plunger with good oil pressure efficiency as recited in claim 1, characterized in that an auxiliary ring (15) is fixedly sleeved on the inner circular wall surface of the oil feeding groove (2), the outer circular wall surface of the connecting column (5) is movably sleeved on the inner circular wall surface of the auxiliary ring (15), a spring (16) is movably sleeved on the outer circular wall surface of the connecting column (5), one end of the spring (16) is fixedly linked with the auxiliary ring (15), and the other end of the spring (16) is fixedly connected with the stamping block (4).

4. The plunger for an oil injection pump of claim 1, wherein a gasket (17) is fixedly mounted on one side of the oil feed plug (6).

5. The plunger for an oil injection pump of claim 1, characterized in that a control unit is provided on one side of the housing (1) for regulating the oil output.

6. The hydraulically efficient plunger for an oil injection pump of claim 5, wherein said control assembly comprises:

t venturi tube (18), T venturi tube (18) set up one side of casing (1), the outer circle wall of T venturi tube (18) one side is fixed cup joints the inner circle wall of oil feed groove (2), the top fixed mounting of T venturi tube (18) has first check valve (19), the bottom fixed mounting of T venturi tube (18) has second check valve (20).