CN211624315U

CN211624315U - Valve core of positive pressure regulating type balance valve

Info

Publication number: CN211624315U
Application number: CN201921595847.3U
Authority: CN
Inventors: 王金凤
Original assignee: Changsha Weidong Electromechanical Equipment Co ltd
Current assignee: Changsha Weidong Electromechanical Equipment Co ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-10-02
Anticipated expiration: 2029-09-24

Abstract

The utility model discloses a positive pressure regulating formula balanced valve case, including one-level hexagon socket head cap holding screw, the outside threaded connection of one-level hexagon socket head cap holding screw has hexagon flange face lock nut, one side laminating of hexagon flange face lock nut is connected with the body, one-level O type circle has been cup jointed in the outside of body, the inside fixedly connected with one-level spring holder of body, the outside of the case other end cup joints and is connected with tertiary O type circle. This positive pressure regulating formula balanced valve case, overall structure obtains simplifying, and easy dismounting, the cost is reduced, through a plurality of O type circles and the glay circle outer lane that set up, the leakproofness has been improved greatly, the effectual problem that the oil leak appears that has prevented, and the pressure that can bear is higher, thereby stability obtains improving, adopt clockwise pressure regulation simultaneously, be applicable to most people and use, the user can the correct pressure regulating of conditional reflex formula, greatly reduced the wrong probability of pressure regulating, convenient to use.

Description

Valve core of positive pressure regulating type balance valve

Technical Field

The utility model relates to a balanced valve technical field specifically is a positive pressure regulating formula balanced valve case.

Background

The balance valve is a valve which plays a role in dynamic and static balance adjustment under the hydraulic working condition, and can be divided into three types, namely a static balance valve, a dynamic balance valve and a differential pressure irrelevant balance valve, which are valves with special functions.

Traditional balanced valve spare part is more, leads to the structure complicacy, is not convenient for carry out the dismouting, and the cost is higher to traditional balanced valve seal effect is general, leads to the possibility that the oil leak easily appears, and traditional balanced valve pressure regulating mode is reverse pressure regulating simultaneously, and reverse pressure regulating easily leads to the erroneous judgement, and is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a forward pressure regulating formula balance valve case to it is more to provide traditional balance valve spare part in solving above-mentioned background art, leads to the structure complicated, is not convenient for carry out the dismouting, and the cost is higher, and traditional balance valve seals the effect generally, leads to the possibility that the oil leak easily appears, and traditional balance valve pressure regulating mode is reverse pressure regulating simultaneously, and reverse pressure regulating easily leads to erroneous judgement, awkward problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a positive pressure regulating formula balance valve case, includes hexagonal concave end holding screw in the one-level, the outside threaded connection of hexagonal concave end holding screw has hexagon flange face lock nut in the one-level, one side laminating of hexagon flange face lock nut is connected with the body, one-level O type circle has been cup jointed in the outside of body, the inside fixedly connected with one-level spring holder of body, the one end that hexagon flange face lock nut was kept away from to the one-level spring holder cup joints and is connected with the one-level spring, the inboard block of one-level spring is connected with the one end of case, the outside of the one end of case cup joints and is connected with second grade O type circle, the outside of the case other end cup joints and is connected.

Preferably, the valve seat is installed on the outer side of the valve core, the outer side of the valve seat is connected with a first-stage GRILL outer ring in a sleeved mode, the outer side of the first-stage GRILL outer ring is connected with a second-stage GRILL outer ring in a sleeved mode, and the outer side of the valve core is connected with a second-stage spring in a sleeved mode.

Preferably, one end of the secondary spring is located on the inner side of the valve seat, the other end of the secondary spring is connected with a secondary spring seat, and the inner side of the secondary spring seat is fixedly provided with a throttling block through a secondary inner hexagonal concave end set screw.

Preferably, the outer side of the first-stage inner hexagonal concave end set screw is in threaded connection with a sheath.

Preferably, one end of the first-stage inner hexagonal concave end set screw, which is close to the body, is attached to the end surface of the first-stage spring seat.

Compared with the prior art, the beneficial effects of the utility model are that: the valve core of the positive pressure regulating type balance valve has the advantages that the integral structure is simplified, the disassembly and the assembly are convenient, and the cost is reduced;

1. by arranging the O-shaped rings and the Glae ring outer rings, the sealing performance is greatly improved, the problem of oil leakage is effectively prevented, the pressure capable of being borne is higher, and the stability is improved;

2. meanwhile, the pressure regulation in the clockwise direction is adopted, so that the pressure regulation device is suitable for most people to use, a user can regulate pressure correctly in a conditioned reflection mode, the probability of pressure regulation errors is greatly reduced, and the pressure regulation device is convenient to use.

Drawings

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

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic view of the front view structure of the present invention.

In the figure: 1. a set screw is fastened at the concave end of the first-stage inner hexagonal; 2. a hexagonal flange surface locking nut; 3. a body; 4. a first-stage O-shaped ring; 5. a primary spring seat; 6. a primary spring; 7. a second-stage O-shaped ring; 8. a valve core; 9. a third-level O-shaped ring; 10. a first-level Glare ring outer ring; 11. a secondary GREEN outer ring; 12. a valve seat; 13. a secondary spring; 14. a secondary spring seat; 15. a set screw is fastened at the concave end of the second-stage inner hexagonal; 16. a throttle block; 17. a sheath.

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. 1-3, the present invention provides a technical solution: a positive pressure regulating type balance valve core comprises a first-stage inner hexagonal concave end set screw 1, a hexagonal flange face lock nut 2, a body 3, a first-stage O-shaped ring 4, a first-stage spring seat 5, a first-stage spring 6, a second-stage O-shaped ring 7, a valve core 8, a third-stage O-shaped ring 9, a first-stage Gla ring outer ring 10, a second-stage Gla ring outer ring 11, a valve seat 12, a second-stage spring 13, a second-stage spring seat 14, a second-stage inner hexagonal concave end set screw 15, a throttling block 16 and a sheath 17, wherein the outer side of the first-stage inner hexagonal concave end set screw 1 is in threaded connection with the hexagonal flange face lock nut 2, one side of the hexagonal flange face lock nut 2 is in fit connection with the body 3, the first-stage O-shaped ring 4 is sleeved on the outer side of the body 3, the first-stage spring seat 5 is fixedly connected with the, the inboard block of one-level spring 6 is connected with the one end of case 8, and the outside of the one end of case 8 cup joints and is connected with second grade O type circle 7, and the outside of the case 8 other end cup joints and is connected with tertiary O type circle 9.

Further, a valve seat 12 is installed on the outer side of the valve element 8, a first-stage GRILL outer ring 10 is connected to the outer side of the valve seat 12 in a sleeved mode, a second-stage GRILL outer ring 11 is connected to the outer side of the first-stage GRILL outer ring 10 in a sleeved mode, a second-stage spring 13 is connected to the outer side of the valve element 8 in a sleeved mode, two clamping grooves are formed in the outer side of the valve seat 12, the first-stage GRILL outer ring 10 and the second-stage GRILL outer ring 11 are located inside the clamping grooves, the first-stage GRILL outer ring 10 and the second-stage GRILL outer ring 11 are limited through the clamping grooves.

Furthermore, one end of a secondary spring 13 is positioned on the inner side of the valve seat 12, the other end of the secondary spring 13 is connected with a secondary spring seat 14, a throttling block 16 is fixedly mounted on the inner side of the secondary spring seat 14 through a secondary inner hexagonal concave end set screw 15, and the size of the fluid flow is controlled by adjusting the position of the throttling block 16.

Further, the outside threaded connection of one-level hexagon socket head cap screw 1 has sheath 17, and through sheath 17, the outside of one-level hexagon socket head cap screw 1 is fine screw, and adopts the clockwise pressure regulating, is applicable to most people and uses, can the correct pressure regulating of conditioned reflex formula, and traditional pressure regulating mode is reverse pressure regulating, and reverse pressure regulating easily leads to the erroneous judgement.

Further, the one end that one-level hexagon socket head cap screw 1 is close to body 3 is laminated with the terminal surface of one-level spring holder 5 each other, and through the inside top of clockwise rotation one-level hexagon socket head cap screw 1 to one-level spring holder 5, counter-clockwise rotation one-level hexagon socket head cap screw 1, one-level spring holder 5 follows one-level hexagon socket head cap screw 1 and removes under the effect of one-level spring 6.

The working principle is as follows: firstly, the whole body is assembled, a first-stage inner hexagonal concave end fastening screw 1 is connected to the inside of a body 3 in a threaded manner, a hexagonal flange face locking nut 2 is connected to the outer side of the first-stage inner hexagonal concave end fastening screw 1 in a threaded manner, a sheath 17 is connected to the outer side of the first-stage inner hexagonal concave end fastening screw 1 in a threaded manner, a first-stage spring seat 5 is plugged into the inside of the body 3, a first-stage spring 6 is placed into the inside of the body 3, one end of the first-stage spring seat 5 is inserted into the inner side of one end of the first-stage spring 6, a second-stage O-shaped ring 7 is sleeved on the outer side of a valve core 8, the valve core 8 is inserted into the inner side of the other end of the first-stage spring 6, a first-stage GREEN ring 10 and a second-stage GREEN ring 11 are sequentially sleeved on the outer side of a valve seat 12, the valve seat 12, install the outside of case 8 with second grade spring holder 14, make one side of case 8 and the laminating of second grade spring 13, at last with throttle block 16 through the one end of second grade hexagon socket head cap holding screw 15 fixed mounting to case 8, overall structure is compared with traditional balanced valve and is simplified, and easy dismounting, the cost is reduced, the leakproofness is better simultaneously, the effectual problem that the oil leak appears, and the pressure that can bear is higher, stability is improved, and adopt the clockwise pressure regulation, be applicable to most people and use, can the correct pressure regulation of conditional reflex, and convenient to use.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a positive pressure regulating formula balanced valve case, includes one-level hexagon socket head cap female end holding screw, its characterized in that: the outer side threaded connection of one-level hexagon socket head cap end holding screw has hexagon flange face lock nut, one side laminating of hexagon flange face lock nut is connected with the body, one-level O type circle has been cup jointed in the outside of body, the inside fixedly connected with one-level spring holder of body, the one end that hexagon flange face lock nut was kept away from to the one-level spring holder cup joints and is connected with the one-level spring, the inboard block of one-level spring is connected with the one end of case, the outside of the one end of case cup joints and is connected with second grade O type circle, the outside of the case other end cup joints and is connected with tertiary O type.

2. The valve core of the positive pressure regulating type balance valve according to claim 1, wherein: the valve comprises a valve core and is characterized in that a valve seat is installed on the outer side of the valve core, a primary GREEN outer ring is connected to the outer side of the valve seat in a sleeved mode, a secondary GREEN outer ring is connected to the outer side of the primary GREEN outer ring in a sleeved mode, and a secondary spring is connected to the outer side of the valve core in a sleeved mode.

3. The valve core of the positive pressure regulating type balance valve according to claim 2, wherein: one end of the second-stage spring is located on the inner side of the valve seat, the other end of the second-stage spring is connected with a second-stage spring seat, and a throttling block is fixedly mounted on the inner side of the second-stage spring seat through a second-stage inner hexagonal concave end set screw.

4. The valve core of the positive pressure regulating type balance valve according to claim 1, wherein: and the outer side of the first-stage inner hexagonal concave end set screw is in threaded connection with a sheath.

5. The valve core of the positive pressure regulating type balance valve according to claim 1, wherein: one end of the first-stage inner hexagonal concave end set screw, which is close to the body, is attached to the end surface of the first-stage spring seat.