CN220470933U - Damping valve of high-pressure pump - Google Patents

Abstract

The utility model provides a high-pressure pump damping valve, which relates to the technical field of high-pressure pump damping valves and comprises a pump body, wherein the output end of the pump body is fixedly connected with a connecting pipe, the outer surface of the connecting pipe is fixedly connected with a lower connecting block, the upper surfaces of the lower connecting blocks are respectively provided with a slot, the inner surfaces of the two slots are respectively provided with a limit groove, the positions, close to the bottom, of the outer surface of a valve body are symmetrically and fixedly connected with an upper connecting block, the lower surfaces of the two upper connecting blocks are respectively fixedly connected with an inserting block, and the outer surfaces of the two inserting blocks are respectively provided with a mounting groove. According to the utility model, the valve body and the pump body are mounted in a clamping manner through the cooperation of the lower connecting block, the upper connecting block, the inserting groove, the limiting groove, the mounting groove, the spring, the telescopic rod and the limiting block, so that the valve body and the pump body are very convenient to detach and mount, only the limiting block is required to be pressed, no special tool is required, and the maintenance and the replacement are convenient.

Description

Damping valve of high-pressure pump

Technical Field

The utility model relates to the technical field of high-pressure pump damping valves, in particular to a high-pressure pump damping valve.

Background

The high-pressure pump damping valve is a device for reducing vibration and noise of a high-pressure pump, and is mainly used for reducing the vibration and noise of a pump body by reducing the pulsation flow of the high-pressure pump, generally speaking, the structure of the high-pressure pump damping valve consists of a damping valve body, a valve core, a spring, a pressure sensor and the like, and in the application of the high-pressure pump, the damping valve is a very important auxiliary device and is one of key devices for realizing safe, stable and efficient operation of the high-pressure pump.

In the prior art, a high-pressure pump damping valve is connected with a high-pressure pump in a threaded connection mode, but is connected and detached through a threaded interface, tools are needed in the operation process, the operation is complicated, certain strength and skill are needed, and the problem that the connection is not tight or threads are damaged easily occurs.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, a high-pressure pump damping valve is connected with a high-pressure pump in a threaded connection mode, and is connected and detached through a threaded interface, a tool is needed in the operation process, the operation is complicated, a certain strength and skill are needed, and the connection is not tight or threads are damaged easily.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a high-pressure pump damper, includes the pump body and valve body, the output fixedly connected with connecting pipe of the pump body, the external surface of connecting pipe is to the fixedly connected with connecting block down, the slot has all been seted up to the upper surface of connecting block down, two the spacing groove has all been seted up to the internal surface of slot, the external surface of valve body is close to the position symmetry fixedly connected with of bottom and goes up the connecting block, two the lower surface of going up the connecting block is fixedly connected with inserted block, two the mounting groove has all been seted up to the external surface of inserted block, two the equal symmetry fixedly connected with telescopic link in interior bottom of mounting groove, a plurality of the external surface of telescopic link is all overlapped and is equipped with the spring, and a plurality of the telescopic link divide into two sets of the one end of keeping away from the mounting groove bottom of telescopic link between two the fixed connection stopper, two the inserted block respectively with two the inserted block is supporting setting respectively with two the spacing groove is supporting setting respectively.

Preferably, the outer surface of the limiting block and the inner surface of the mounting groove are arranged in a sliding mode, and the section of the limiting block is obliquely arranged.

Preferably, a round groove is formed in the upper end face of the connecting pipe, and a sealing ring is arranged on the inner surface of the round groove.

Preferably, the outer surfaces of the two lower connecting blocks are hinged with a baffle plate, and the outer surfaces of the two baffle plates are provided with clamping grooves.

Preferably, the outer surfaces of the two lower connecting blocks are fixedly connected with clamping blocks, and the two clamping blocks are respectively matched with the two clamping grooves.

Preferably, one ends of the springs are respectively and fixedly connected with the outer surfaces of the limiting blocks, and the other ends of the springs are respectively and fixedly connected with the inner bottoms of the mounting grooves.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, the valve body and the pump body are mounted in a clamping manner through the cooperation of the lower connecting block, the upper connecting block, the inserting groove, the limiting groove, the mounting groove, the spring, the telescopic rod and the limiting block, so that the valve body and the pump body are very convenient to detach and mount, only the limiting block is required to be pressed, no special tool is required, and the maintenance and the replacement are convenient.

2. According to the utility model, the sealing performance of the joint of the pump body and the valve body is improved through the matching use of the circular groove and the sealing gasket, and the limit groove can be sealed through the matching use of the partition plate, the clamping block and the clamping groove, so that the problem that the valve body is not tightly connected with the pump body due to unexpected extrusion to the limit block is avoided.

Drawings

Fig. 1 is a perspective view of a high pressure pump shock absorbing valve according to the present utility model;

FIG. 2 is a schematic view of a portion of a shock absorbing valve for a high pressure pump according to the present utility model;

FIG. 3 is an exploded view of an insert block of a high pressure pump shock absorbing valve according to the present utility model;

FIG. 4 is a schematic view showing the structure of a lower connecting block of a shock absorbing valve of a high pressure pump according to the present utility model;

FIG. 5 is a cross-sectional view showing a portion of the construction of a high pressure pump shock absorbing valve according to the present utility model;

fig. 6 is an enlarged view at a in fig. 5.

Legend description: 1. a pump body; 2. a connecting pipe; 3. a lower connecting block; 4. an upper connecting block; 5. a valve body; 6. a limiting block; 7. inserting blocks; 8. a slot; 9. a partition plate; 10. a seal ring; 11. a spring; 12. a telescopic rod; 13. a mounting groove; 14. a limit groove; 15. a clamping block; 16. a clamping groove; 17. a circular groove.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Embodiment 1, as shown in fig. 1-6, the utility model provides a high-pressure pump shock absorption valve, which comprises a pump body 1 and a valve body 5, wherein the output end of the pump body 1 is fixedly connected with a connecting pipe 2, the outer surface of the connecting pipe 2 is fixedly connected with a lower connecting block 3, the upper surfaces of the lower connecting blocks 3 are respectively provided with a slot 8, the inner surfaces of the two slots 8 are respectively provided with a limit slot 14, the positions, close to the bottom, of the outer surfaces of the valve body 5 are symmetrically and fixedly connected with an upper connecting block 4, the lower surfaces of the two upper connecting blocks 4 are respectively and fixedly connected with an inserting block 7, the outer surfaces of the two inserting blocks 7 are respectively provided with a mounting slot 13, the inner bottoms of the two mounting slots 13 are respectively and symmetrically and fixedly connected with a telescopic rod 12, the surface of a plurality of telescopic links 12 all overlaps and is equipped with spring 11, a plurality of telescopic links 12 divide into two sets of, equal fixedly connected with stopper 6 between the one end of keeping away from the mounting groove 13 inner bottom of two sets of telescopic links 12, two inserts 7 are supporting setting with two inserts 7 respectively, two stoppers 6 are supporting setting with two spacing grooves 14 respectively, the surface of stopper 6 is the slip setting with the internal surface of mounting groove 13, the cross-section of stopper 6 is the slope setting, the one end of a plurality of springs 11 respectively with the surface fixed connection of a plurality of stoppers 6, the other end of a plurality of springs 11 respectively with the interior bottom fixed connection of a plurality of mounting groove 13.

The effect that its whole embodiment 1 reaches is, when needs are installed valve body 5, the staff grips and pushes down valve body 5 after last connecting block 4 aligns insert block 7 with slot 8, thereby make stopper 6 and lower connecting block 3 contact, and make stopper 6's contact receive pressure, thereby stopper 6 moves in mounting groove 13, and drive telescopic link 12 and spring 11 compression, after insert block 7 inserts completely in slot 8, make spacing groove 14 and stopper 6 align, thereby reset through spring 11's resilience, drive stopper 6 outwards release, the direction of movement of stopper 6 has been limited through telescopic link 12, make stopper 6 block in spacing groove 14, accomplish the installation of valve body 5 and pump body 1, when needs dismantlement, the staff presses two stopper 6 through spacing groove 14, make stopper 6 and spacing groove 14 no longer block, then dismantle valve body 5 from pump body 1 and make things convenient for the dismouting, convenient for maintenance and change.

In embodiment 2, as shown in fig. 1-6, a circular groove 17 is formed in the upper end surface of the connecting pipe 2, a sealing ring 10 is arranged on the inner surface of the circular groove 17, the outer surfaces of the two lower connecting blocks 3 are hinged with partition boards 9, clamping grooves 16 are formed in the outer surfaces of the two partition boards 9, clamping blocks 15 are fixedly connected to the outer surfaces of the two lower connecting blocks 3, and the two clamping blocks 15 are respectively matched with the two clamping grooves 16.

The effect that its whole embodiment 2 reached is, through putting sealing washer 10 in with circular slot 17 to increased the leakproofness when valve body 5 is connected with connecting pipe 2, can seal limit groove 14 through baffle 9 simultaneously, avoid unexpected extrusion to stopper 6, lead to valve body 5 and the not tight problem of pump body 1 connection, through draw-in groove 16 and fixture block 15 cooperation use, be convenient for overturn and fixed to baffle 9.

Working principle: when the valve body 5 needs to be installed, the staff holds the upper connecting block 4 to align the inserting block 7 with the slot 8 and then presses the valve body 5 downwards, thereby the limiting block 6 is in contact with the lower connecting block 3, and the limiting block 6 is in contact with pressure, thereby the limiting block 6 moves towards the installation groove 13 and drives the telescopic rod 12 and the spring 11 to compress, after the inserting block 7 is completely inserted into the slot 8, the limiting groove 14 is aligned with the limiting block 6, thereby the elastic reset of the spring 11 drives the limiting block 6 to push outwards, the moving direction of the limiting block 6 is limited through the telescopic rod 12, the limiting block 6 is clamped in the limiting groove 14, the installation of the valve body 5 and the pump body 1 is completed, meanwhile, the sealing ring 10 is placed in the circular groove 17, so that the tightness when the valve body 5 is connected with the connecting pipe 2 is increased, meanwhile, the limiting groove 14 can be sealed through the partition plate 9, accidental extrusion to the limiting block 6 is avoided, when the valve body needs to be disassembled, the staff presses the two limiting blocks 6 through the limiting grooves 14, the limiting block 6 and the limiting groove 14 are not clamped, and then the valve body 5 is disassembled from the pump body 1, and the convenience in disassembly and maintenance is realized.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model will still fall within the protection scope of the technical solution of the present utility model.

Claims (6)

1. The utility model provides a high-pressure pump damper valve, includes pump body (1) and valve body (5), its characterized in that: the utility model discloses a pump body, including pump body (1), connecting pipe (2), connecting pipe (3) are gone down to fixedly connected with in the outward surface of connecting pipe (2), slot (8) have all been seted up to the upper surface of connecting pipe (3), two spacing groove (14) have all been seted up to the internal surface of slot (8), the outward surface of valve body (5) is close to the position symmetry fixedly connected with of bottom and goes up connecting block (4), two go up the equal fixedly connected with inserted block (7) of lower surface of connecting block (4), two mounting groove (13) have all been seted up to the outward surface of inserted block (7), two equal fixedly connected with telescopic link (12) of interior bottom of mounting groove (13), a plurality of the outward surface of telescopic link (12) all overlaps and is equipped with spring (11), a plurality of all fixedly connected with stopper (6) between the one end of keeping away from the interior bottom of mounting groove (13) of telescopic link (12), two inserted block (7) are respectively with two stopper (6) are two supporting setting up respectively.

2. The high pressure pump shock valve according to claim 1, wherein: the outer surface of the limiting block (6) and the inner surface of the mounting groove (13) are arranged in a sliding mode, and the section of the limiting block (6) is obliquely arranged.

3. The high pressure pump shock valve according to claim 1, wherein: the upper end face of the connecting pipe (2) is provided with a round groove (17), and the inner surface of the round groove (17) is provided with a sealing ring (10).

4. The high pressure pump shock valve according to claim 1, wherein: the outer surfaces of the two lower connecting blocks (3) are hinged with a partition plate (9), and clamping grooves (16) are formed in the outer surfaces of the two partition plates (9).

5. The high pressure pump shock valve according to claim 4, wherein: the outer surfaces of the two lower connecting blocks (3) are fixedly connected with clamping blocks (15), and the two clamping blocks (15) are respectively matched with the two clamping grooves (16).

6. The high pressure pump shock valve according to claim 1, wherein: one ends of the springs (11) are fixedly connected with the outer surfaces of the limiting blocks (6) respectively, and the other ends of the springs (11) are fixedly connected with the inner bottoms of the mounting grooves (13) respectively.