CN218093683U

CN218093683U - Metering pump combination valve with hydraulic oil filtering structure

Info

Publication number: CN218093683U
Application number: CN202222657674.1U
Authority: CN
Inventors: 林永和; 陈德鹏; 王晓平
Original assignee: Zhejiang Xuantuo Machinery Technology Co ltd
Current assignee: Zhejiang Xuantuo Machinery Technology Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2022-12-20
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses a measuring pump combination valve with hydraulic oil filtration, including spring fixed mounting in the inner of case, the installation piece is installed to the inner of valve body, and the side and the spring bottom fixed connection of installation piece, the oil inlet has been seted up to the top inboard of valve body, and the head end of valve body is connected with flange, the inner of oil inlet is provided with the fixed disk, and the side fixedly connected with of fixed disk strains a section of thick bamboo, the side fixedly connected with connecting rod of fixed disk, and the top of connecting rod installs the connecting block to logical groove has been seted up to the inner of connecting block. This measuring pump combination valve with hydraulic oil filtration is provided with and strains a section of thick bamboo and fixed disk, through the block of connecting block with butt joint groove to rotation through the fixture block is fixed the connecting block, makes the fixed disk and strains a section of thick bamboo stable installation at oil inlet department, filters the hydraulic oil that gets into the valve body, and detachable construction is convenient for the maintenance personal and regularly clears up simultaneously and strain a section of thick bamboo.

Description

Metering pump combination valve with hydraulic oil filtering structure

Technical Field

The utility model relates to a combination valve technical field specifically is a measuring pump combination valve with hydraulic oil filtration.

Background

The combined valve is an important component of an oil pressure device, and in order to improve the working performance, the combined valve can be formed by combining a one-way valve, a safety valve, a bypass valve and the like and adding a control structure, but the existing combined valve component has certain defects, such as the above defects;

the existing combination valve assembly is often applied to a hydraulic system of engineering machinery, and hydraulic oil flows between pipelines of mechanical equipment for a long time, so that impurities can be generated in oil, the impurities can be remained when the oil flows in a valve body, the use of the combination valve is influenced, and the sealing performance is poor and the oil leakage phenomenon is easy to occur when the valve body is in butt joint with the pipelines.

In order to solve the problems, innovative design is urgently needed on the basis of the original combined valve component.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a measuring pump combination valve with hydraulic oil filtration, often use in engineering machine's hydraulic system with the current combination valve subassembly that proposes in solving above-mentioned background art, because hydraulic oil flows between the mechanical equipment pipeline for a long time, thereby can produce impurity in fluid, can remain impurity when flowing in the fluid in the valve body, cause the jam influence of combination valve to use, and when valve body and pipeline butt joint, the leakproofness is relatively poor, the problem of oil leak phenomenon easily appears.

In order to achieve the above object, the utility model provides a following technical scheme: a metering pump combination valve with a hydraulic oil filtering structure comprises a valve body and a valve core, wherein the valve core is arranged at the inner end of the valve body;

further comprising:

the valve core is fixedly arranged at the inner end of the valve core, the inner end of the valve body is provided with an installation block, the side end of the installation block is fixedly connected with the bottom end of the reset spring, the inner side of the top end of the valve body is provided with an oil inlet, the head end of the valve body is connected with a butt flange, the inner end of the oil inlet is provided with a fixed disc, the side end of the fixed disc is fixedly connected with a filter cylinder, the side end of the fixed disc is fixedly connected with a connecting rod, the top end of the connecting rod is provided with a connecting block, the inner end of the connecting block is provided with a through groove, the top end of the oil inlet is provided with a butt groove, the inner end of the butt groove is provided with a connecting shaft, and the top end of the connecting shaft is provided with a fixture block;

the side groove is arranged at the inner end of the oil inlet, the inner end of the side groove is connected with the movable block through a shaft, the outer surface of the shaft end of the movable block is connected with a torsion spring, the inner end of the side groove is provided with an air bag, the top end of the air bag is connected with the bottom end of the movable block, the tail end of the air bag is connected with the head end of the connecting pipe, the top end of the valve body is provided with a sealing ring, and the tail end of the sealing ring is connected with the bottom end of the connecting pipe.

Preferably, the valve body is in sliding connection with the valve core, the inner end of the valve core is of a hollow structure, the valve core and the mounting block form an elastic structure through a return spring, the valve core is contracted through oil pressure generated by hydraulic oil, and the valve core is automatically reset through the elastic action of the return spring.

Preferably, the right side end of the fixed disk is uniformly provided with filter cylinders, the left side end of the fixed disk is symmetrically provided with two groups of connecting rods, the top ends of the connecting rods and the connecting blocks are of a fixed integrated structure, and hydraulic oil entering the valve body is filtered through the filter cylinders at the side end of the fixed disk.

Preferably, the connecting block constitutes the block structure through butt joint groove and oil inlet, and the connecting block constitutes through the structure through leading to groove and connecting axle to the connecting axle is connected for rotating with the butt joint groove, makes the connecting block stable installation in the butt joint groove through the rotation of fixture block.

Preferably, the movable block is connected with the side groove in a rotating manner, the movable block forms an elastic structure with the side groove through a torsion spring, the bottom end of the movable block is connected with an air bag, and the movable block is made to shrink and rotate through extrusion of the fixed disc.

Preferably, the gasbag is linked together through the sealing washer of connecting pipe with elastic rubber material, and the sealing washer looks sideways at and is the loop configuration, makes the joint clearance by the shutoff through the inflation of sealing washer.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the metering pump combined valve with the hydraulic oil filtering structure is provided with the filter cylinder and the fixed disc, the connecting block is clamped with the butt joint groove, and the connecting block is fixed through rotation of the clamping block, so that the fixed disc and the filter cylinder are stably arranged at an oil inlet to filter hydraulic oil entering a valve body, and meanwhile, the detachable structure is convenient for maintenance personnel to clean the filter cylinder regularly;

2. this metering pump combination valve with hydraulic oil filtration is provided with gasbag and sealing washer, when the fixed disk docks with the oil inlet, can extrude the movable block in the groove of side, extrudees the gasbag when making it shrink, and gas gets into the sealing washer through the connecting pipe, and the inflation through the sealing washer carries out the shutoff to the joint gap of valve body and external pipeline, increases the leakproofness.

Drawings

FIG. 1 is a schematic overall front sectional view of the present invention;

FIG. 2 is a schematic side view of the fixing plate of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the connecting block of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 5 is a front view structure diagram of the movable block of the present invention.

In the figure: 1. a valve body; 2. a valve core; 3. a return spring; 4. mounting a block; 5. an oil inlet; 6. butting flanges; 7. fixing the disc; 8. a filter cartridge; 9. a connecting rod; 10. connecting blocks; 11. a through groove; 12. a butt joint groove; 13. a connecting shaft; 14. a clamping block; 15. a side groove; 16. a movable block; 17. a torsion spring; 18. an air bag; 19. a connecting pipe; 20. and (5) sealing rings.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a metering pump combination valve with a hydraulic oil filtering structure comprises a valve body 1 and a valve core 2, wherein the valve core 2 is arranged at the inner end of the valve body 1;

further comprising:

the valve core 2 is fixedly arranged at the inner end of the valve core, the inner end of the valve body 1 is provided with an installation block 4, the side end of the installation block 4 is fixedly connected with the bottom end of the reset spring 3, the inner side of the top end of the valve body 1 is provided with an oil inlet 5, the head end of the valve body 1 is connected with a butt flange 6, the inner end of the oil inlet 5 is provided with a fixed disc 7, the side end of the fixed disc 7 is fixedly connected with a filter cylinder 8, the side end of the fixed disc 7 is fixedly connected with a connecting rod 9, the top end of the connecting rod 9 is provided with a connecting block 10, the inner end of the connecting block 10 is provided with a through groove 11, the top end of the oil inlet 5 is provided with a butt groove 12, the inner end of the butt groove 12 is provided with a connecting shaft 13, and the top end of the connecting shaft 13 is provided with a clamping block 14;

the side groove 15 is arranged at the inner end of the oil inlet 5, the inner end of the side groove 15 is connected with a movable block 16 through a shaft, the outer surface of the shaft end of the movable block 16 is connected with a torsion spring 17, an air bag 18 is arranged at the inner end of the side groove 15, the top end of the air bag 18 is connected with the bottom end of the movable block 16, the tail end of the air bag 18 is connected with the head end of a connecting pipe 19, a sealing ring 20 is arranged at the top end of the valve body 1, and the tail end of the sealing ring 20 is connected with the bottom end of the connecting pipe 19.

Valve body 1 is sliding connection with case 2, and the inner of case 2 is hollow structure, and case 2 constitutes elastic construction through reset spring 3 and installation piece 4, the right side end evenly distributed of fixed disk 7 installs and strains a section of thick bamboo 8, and the left side end symmetrical distribution of fixed disk 7 installs two sets of connecting rods 9, and the top of connecting rod 9 is fixed integral structure with connecting block 10, connecting block 10 constitutes the block structure through butt joint groove 12 and oil inlet 5, and connecting block 10 constitutes through groove 11 and connecting axle 13 and runs through the structure, and connecting axle 13 is connected for rotating with butt joint groove 12.

Insert fixed disk 7 in the oil inlet 5 to with connecting block 10 and butt joint groove 12 carry out the butt joint block, rotate fixture block 14 and carry out the block to connecting block 10, make connecting block 10 stably fix in butt joint groove 12, carry out the rigidity to fixed disk 7 and strain a section of thick bamboo 8 simultaneously, strain a section of thick bamboo 8 and can filter the hydraulic oil that the 1 top of valve body got into, make in the oil impurity stay strain a section of thick bamboo 8, avoid impurity to block up valve body 1, detachable construction is convenient for strain a section of thick bamboo 8's regular clearance.

The movable block 16 is rotatably connected with the side groove 15, the movable block 16 forms an elastic structure with the side groove 15 through a torsion spring 17, the bottom end of the movable block 16 is connected with an air bag 18, the air bag 18 is communicated with a sealing ring 20 made of elastic rubber through a connecting pipe 19, and the side view of the sealing ring 20 is an annular structure.

The working principle is as follows: when the metering pump combination valve with the hydraulic oil filtering structure is used, according to the drawing 1-5, the metering pump combination valve is firstly installed in a one-way valve forming a part of the combination valve, when the metering pump combination valve is used, the fixed disc 7 is inserted into the one-way valve along the oil inlet 5 at the top end of the valve body 1, the connecting block 10 is in butt joint with the butt joint groove 12, in the butt joint process, the through groove 11 at the inner end of the connecting block 10 is in through connection with the clamping block 14 in the butt joint groove 12, after the connecting block 10 completely enters the butt joint groove 12, the clamping block 14 can be rotated, and as the height of the connecting shaft 13 is larger than the width of the connecting block 10, the diamond-shaped clamping block 14 is clamped on the connecting block 10 when rotating, so that the connecting block 10 is stably fixed in the butt joint groove 12, meanwhile, the position of the fixed disc 7 is fixed, hydraulic oil entering from the top end of the valve body 1 can be filtered through the filter cylinder 8, impurities in the filter cylinder 8 are left, and the detachable structure is convenient for a maintainer to regularly clean the filter cylinder 8;

when fixed disk 7 gets into to the oil inlet 5 in, can extrude the movable block 16 of perk in the lateral groove 15, the movable block 16 receives the extrusion can follow the axle head and contract in to the lateral groove 15, can extrude gasbag 18 at the movable block 16 shrink in-process simultaneously, make gasbag 18 inner gas enter into to ring packing 20 along connecting pipe 19, will produce the inflation after the elasticity sealing washer 20 of elasticity rubber material receives gas, and then the inflation through sealing washer 20 makes the butt joint clearance of flange 6 and valve body 1 obtain the shutoff, increase the leakproofness of valve body 1 and external flange butt joint, holistic practicality has been increased.

Those not described in detail in this specification are well within the skill of the art.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A metering pump combination valve with a hydraulic oil filtering structure comprises a valve body (1) and a valve core (2), wherein the valve core (2) is arranged at the inner end of the valve body (1);

it is characterized by also comprising:

the valve core is fixedly arranged at the inner end of the valve core (2), the inner end of the valve body (1) is provided with an installation block (4), the side end of the installation block (4) is fixedly connected with the bottom end of the reset spring (3), the inner side of the top end of the valve body (1) is provided with an oil inlet (5), the head end of the valve body (1) is connected with a butt flange (6), the inner end of the oil inlet (5) is provided with a fixed disc (7), the side end of the fixed disc (7) is fixedly connected with a filter cylinder (8), the side end of the fixed disc (7) is fixedly connected with a connecting rod (9), the top end of the connecting rod (9) is provided with a connecting block (10), the inner end of the connecting block (10) is provided with a through groove (11), the top end of the oil inlet (5) is provided with a butt groove (12), the inner end of the butt groove (12) is provided with a connecting shaft (13), and the top end of the connecting shaft (13) is provided with a clamping block (14);

the oil inlet is provided with an oil inlet (5), the inner end of the oil inlet (5) is provided with a side groove (15), the inner end of the side groove (15) is connected with a movable block (16) in a shaft mode, the outer surface of the shaft end of the movable block (16) is connected with a torsion spring (17), the inner end of the side groove (15) is provided with an air bag (18), the top end of the air bag (18) is connected with the bottom end of the movable block (16), the tail end of the air bag (18) is connected with the head end of a connecting pipe (19), the top end of the valve body (1) is provided with a sealing ring (20), and the tail end of the sealing ring (20) is connected with the bottom end of the connecting pipe (19).

2. The metering pump combination valve with the hydraulic oil filtering structure as recited in claim 1, wherein the valve body (1) is slidably connected with the valve core (2), the inner end of the valve core (2) is of a hollow structure, and the valve core (2) and the mounting block (4) form an elastic structure through the return spring (3).

3. The metering pump combination valve with the hydraulic oil filtering structure as recited in claim 1, wherein the filter cartridges (8) are uniformly distributed and mounted at the right side end of the fixed disk (7), two groups of connecting rods (9) are symmetrically distributed and mounted at the left side end of the fixed disk (7), and the top ends of the connecting rods (9) and the connecting blocks (10) are of a fixed integrated structure.

4. The metering pump combination valve with the hydraulic oil filtering structure as recited in claim 1, wherein the connecting block (10) forms a clamping structure with the oil inlet (5) through a butt groove (12), the connecting block (10) forms a penetrating structure with the connecting shaft (13) through the through groove (11), and the connecting shaft (13) is rotatably connected with the butt groove (12).

5. The metering pump combination valve with the hydraulic oil filtering structure as recited in claim 1, wherein the movable block (16) is rotatably connected with the side groove (15), the movable block (16) and the side groove (15) form an elastic structure through a torsion spring (17), and an air bag (18) is connected with the bottom end of the movable block (16).

6. The metering pump combination valve with hydraulic oil filtering structure as recited in claim 1, characterized in that the air bag (18) is communicated with a sealing ring (20) made of elastic rubber through a connecting pipe (19), and the sealing ring (20) is in an annular structure in side view.