CN214196811U

CN214196811U - Pressure control valve convenient to in time troubleshooting

Info

Publication number: CN214196811U
Application number: CN202022765536.6U
Authority: CN
Inventors: 张春宇; 陶文; 杨卫
Original assignee: Shanghai Yinxiang Hydraulics Technology Co ltd
Current assignee: Shanghai Yinxiang Hydraulics Technology Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-09-14
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a pressure control valve convenient for timely troubleshooting, relating to the technical field of pressure valves; the device comprises a communicating pipe, a threaded flange, a primary supporting cylinder, a matching assembly, a control assembly, a threaded rod, a control block and an elastic sealing layer; threaded flanges penetrating through the communicating pipe are fixedly connected to two sides of the middle of the communicating pipe; the control assembly is sleeved in the primary support cylinder, an external thread is arranged at the top of the primary support cylinder, and the external thread of the primary support cylinder is matched with the internal thread of the threaded flange; the matching assembly comprises a secondary supporting cylinder, a secondary spring and a secondary supporting seat; a second-stage spring is fixedly connected inside the second-stage supporting cylinder, a second-stage supporting seat is fixedly connected to the top of the second-stage spring, and the external threads of the second-stage supporting cylinder are matched with the internal threads of the threaded flange. This device is connected through the pressure contact cooperation of a plurality of subassemblies, only needs open the screw flange when overhauing can be with the inspection of a plurality of subassemblies splits, convenient and fast, and the troubleshooting is efficient.

Description

Pressure control valve convenient to in time troubleshooting

Technical Field

The utility model relates to a pressure valve technical field specifically is a pressure control valve convenient to in time troubleshooting.

Background

In a hydraulic transmission system, a hydraulic valve for controlling the pressure of oil is called a pressure control valve, and is called a pressure valve for short. The common denominator of pressure valves is that they operate on the principle that hydraulic and spring forces acting on the spool are balanced. Because the pressure valve utilizes the mutual resistance of pressure and elastic force, the valve core inside needs continuous reciprocating motion in the use process, and the continuous motion is easy to increase the fatigue degree of parts to cause damage, but because the pressure valve generally adopts the matching of multiple parts formed integrally or fixed by screws, the inspection and the maintenance are troublesome.

Chinese patent specification CN110939763A discloses a pressure control valve convenient for timely troubleshooting, which includes a valve body, a control block, an air inlet end, a pressure relief end, and an air outlet end, and the patent reduces the occurrence of failure and prolongs the service life of the device by adding a buffer device, but the patent does not have a clear description for improving the failure removal efficiency.

Disclosure of Invention

An object of the utility model is to provide a pressure control valve convenient to in time troubleshooting to solve the problem that proposes among the above-mentioned background art. Constitute pressure control valve through a plurality of cooperation subassemblies, convenient to detach piecemeal can dismantle the piecemeal under the condition that does not influence the use rapidly when the trouble takes place, judges the fault location and maintains the change.

In order to achieve the above object, the utility model provides a following technical scheme:

a pressure control valve convenient for timely troubleshooting comprises a communicating pipe, a threaded flange, a primary supporting cylinder, a matching assembly, a control assembly, a threaded rod, a control block and an elastic sealing layer; the pipe orifices at the two ends of the communicating pipe are respectively a liquid inlet and a liquid outlet, and the two sides of the middle part of the communicating pipe are fixedly connected with threaded flanges penetrating through the communicating pipe; the control assembly is sleeved in the primary support cylinder, an external thread is arranged at the top of the primary support cylinder, and the external thread of the primary support cylinder is matched with the internal thread of the threaded flange; the matching assembly comprises a secondary supporting cylinder, a secondary spring and a secondary supporting seat; a second-stage spring is fixedly connected inside the second-stage supporting cylinder, a second-stage supporting seat is fixedly connected to the top of the second-stage spring, and the external threads of the second-stage supporting cylinder are matched with the internal threads of the threaded flange.

As a further aspect of the present invention: an elastic sealing layer is fixedly connected in the hole of the threaded flange, and a control block and a limiting block which penetrate through the elastic sealing layer are fixedly connected in the elastic sealing layers on the two sides respectively.

As a further aspect of the present invention: the control block penetrates out of the elastic sealing layer, the section of the part of the control block penetrating out of the elastic sealing layer is trapezoidal, and a trapezoidal groove matched with the top end of the control block is formed in the upper surface of the limiting block.

As a further aspect of the present invention: the one-level support barrel bottom is equipped with the screw hole, the threaded rod passes the screw hole, threaded rod outer end rigid coupling has rotatory handle.

As a further aspect of the present invention: the control assembly comprises a limiting base, a limiting sleeve, a limiting rod, a first-level supporting seat and a first-level spring, the limiting base is matched with the inner diameter of the first-level supporting cylinder, the limiting sleeve is fixedly connected to the bottom of the limiting base, the threaded rod is in pressure contact with the top of the limiting base, the limiting sleeve is inserted into one end of the limiting rod, and the other end of the limiting rod is fixedly connected with the first-level supporting seat.

As a further aspect of the present invention: the two ends of the primary spring are fixedly connected with the primary supporting seat and the limiting base respectively, and the primary spring is sleeved outside the limiting sleeve and the limiting rod.

As a further aspect of the present invention: the first-stage supporting cylinder and the second-stage supporting cylinder are respectively in threaded connection with the threaded flange, the first-stage supporting seat is in pressure contact with the top of the control block, and the second-stage supporting seat is in pressure contact with the bottom of the limiting block.

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

by adopting the pressure control valve convenient for timely troubleshooting, when a fault occurs, all components of the pressure control valve can be checked only by opening the primary supporting cylinder and the secondary supporting cylinder without detaching the whole pressure control valve, and the internal control components can be directly poured out for checking and replacing by inversely placing the primary supporting cylinder, so that the control components can be conveniently checked and maintained, the operation is simple and convenient, and the fault is conveniently cleared;

by adopting the pressure control valve convenient for timely troubleshooting, the first-stage supporting seat and the second-stage supporting seat are in pressure contact with the control block and the limiting block, and are in contact after being disassembled, and the threads are automatically in pressure contact again after being screwed down. The number of parts which need to be manually released during disassembly and maintenance is very small, so that the time for installation and maintenance is saved, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of a pressure control valve configuration for facilitating timely troubleshooting.

FIG. 2 is a schematic diagram of the structure of the control assembly in the pressure control valve to facilitate timely troubleshooting.

Fig. 3 is a schematic diagram of the structure of the communicating pipe in the pressure control valve for facilitating timely troubleshooting.

In the figure: 1. rotating the handle; 2. a threaded rod; 3. a threaded hole; 4. a primary support cylinder; 5. a limiting base; 6. a limiting sleeve; 7. a control component; 8. a primary spring; 9. a limiting rod; 10. a first-stage supporting seat; 11. a control block; 12. a liquid outlet; 13. a limiting block; 14. a mating component; 15. a threaded flange; 16. a secondary support cylinder; 17. a secondary supporting seat; 18. a secondary spring; 19. an elastomeric sealing layer; 20. a communicating pipe; 21. and (4) a liquid inlet.

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.

Example 1

Referring to fig. 1 to 3, in embodiment 1 of the present invention, a pressure control valve convenient for timely troubleshooting includes a communicating pipe 20, a threaded flange 15, a primary support cylinder 4, a matching component 14, a control component 7, a threaded rod 2, a control block 11, and an elastic sealing layer 19; the pipe orifices at the two ends of the communicating pipe 20 are respectively a liquid inlet 21 and a liquid outlet 12, and the two sides of the middle part of the communicating pipe 20 are fixedly connected with threaded flanges 15 penetrating through the communicating pipe 20; the control component 7 is sleeved in the primary support cylinder 4, the top of the primary support cylinder 4 is provided with an external thread, and the external thread of the primary support cylinder 4 is matched with the internal thread of the threaded flange 15; the matching component 14 comprises a secondary supporting cylinder 16, a secondary spring 18 and a secondary supporting seat 17; a secondary spring 18 is fixedly connected inside the secondary supporting cylinder 16, a secondary supporting seat 17 is fixedly connected to the top of the secondary spring 18, and the external thread of the secondary supporting cylinder 16 is matched with the internal thread of the threaded flange 15.

Put into one-level support section of thick bamboo 4 with control assembly 7 in, fix one-level support section of thick bamboo 4 and second grade support section of thick bamboo 16 respectively on the screw flange 15 of communicating pipe 20 both sides, this device is assembled promptly and is accomplished, and relevant pipeline is connected to both ends inlet 21 and liquid outlet 12, can put into use.

An elastic sealing layer 19 is fixedly connected in the hole of the threaded flange 15, and a control block 11 and a limiting block 13 penetrating through the elastic sealing layer 19 are respectively and fixedly connected in the elastic sealing layer 19 at two sides. The section of the part of the control block 11 penetrating through the elastic sealing layer 19 is trapezoidal, and the upper surface of the limiting block 13 is provided with a trapezoidal groove matched with the top end of the control block 11. The bottom of the first-level supporting cylinder 4 is provided with a threaded hole 3, the threaded rod 2 penetrates through the threaded hole 3, and the outer end of the threaded rod 2 is fixedly connected with a rotating handle 1. Control assembly 7 includes spacing base 5, stop sleeve 6, gag lever post 9, one-level supporting seat 10 and one-

level spring

8, 4 internal diameter cooperations of a spacing base 5 and one-level support section of thick bamboo, 5 bottom rigid couplings of spacing base have stop sleeve 6, threaded rod 2 and 5 top pressure contact of spacing base, 9 one ends of gag lever post

insert stop sleeve

6, 9 other end rigid couplings one-level supporting seat 10 of gag lever post.

Insert threaded hole 3 with threaded rod 2 from a single-stage support section of thick bamboo 4 outside and fix, control assembly 7 puts into a single-stage support section of thick bamboo 4 to the tip of threaded rod 2 and supports on spacing base 5, screws up a single-stage support section of thick bamboo 4 and a second grade support section of thick bamboo 16 respectively on two threaded flange 15. At this moment, the control block 11 is inwards supported by the first-stage supporting seat 10, the limiting block 13 is inwards supported by the second-stage supporting seat, and the control block 11 and the limiting block 13 form matching sealing. Liquid enters from going into the liquid mouth after this device is put into use, fills up back pressure with going into communicating pipe 20 of liquid mouth one end and continues to rise to jack up one-level spring 8, and control block 11 moves up, and communicating pipe 20 forms the route, and liquid flows out from liquid outlet 12. After the passage is formed, the pressure is reduced, the elastic force of the primary spring 8 enables the control block 11 to reset to form sealing, and the working process repeats the cycle.

The pressure between the control component 7 and the control block 11 can be adjusted by pressing or pulling the threaded rod 2 in or out by rotating the rotating handle 1, so that the opening pressure value of the pressure control valve is changed. Because the control block 11 and the limiting block 13 are respectively subjected to the buffering action of the primary spring 8 and the secondary spring 18, the matching relationship of the two parts is elastic matching, and a part of impact force is released through buffering in the continuous impact process, so that the service life of the device is prolonged.

Example 2

Referring to fig. 1 to 3, the main differences between the embodiment 2 and the embodiment 1 are:

the first-stage supporting cylinder 4 and the second-stage supporting cylinder 16 are respectively in threaded connection with the threaded flange 15, the first-stage supporting seat 10 is in pressure contact with the top of the control block 11, and the second-stage supporting seat 17 is in pressure contact with the bottom of the limiting block 13. Cooperation subassembly 14 and stopper 13, threaded rod 2 and control assembly 7, be pressure fit between control assembly 7 and the control block 11, open one-level supporting barrel 4 and second grade supporting barrel 16 and then the cooperation is automatic to be ended, only accomplish the process of unscrewing screw flange 15, can become the not related subassembly of several with this device split, convenient to detach overhauls and maintains, need not carry out complicated dismantlement when breaking down and can inspect relevant trouble position and maintain, improved work efficiency.

The utility model discloses a theory of operation is:

the device supports the control block 11 through the primary spring 8, and the secondary spring 18 supports the limiting block 13, so that the limiting block 13 and the control block 11 are matched to block liquid flow, and the function of balancing and controlling equipment pressure by utilizing hydraulic pressure and elastic pressure is realized. Because the components of the device are connected through pressure contact, the threaded flange 15 only needs to be unscrewed during installation and maintenance, the first-stage supporting cylinder 4 and the second-stage supporting cylinder 16 are taken down, the device can be separated into a plurality of components which are not connected with each other without a plurality of sections of disassembly steps, the maintenance and the part replacement are convenient to maintain and convenient to install, the installation efficiency and the maintenance efficiency of the device are improved, the time consumption for removing obstacles is reduced, and the pressure control valve is more convenient to use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A pressure control valve convenient for timely troubleshooting is characterized by comprising a communicating pipe (20), a threaded flange (15), a primary supporting cylinder (4), a matching component (14), a control component (7), a threaded rod (2), a control block (11) and an elastic sealing layer (19); the pipe openings at two ends of the communicating pipe (20) are respectively a liquid inlet (21) and a liquid outlet (12), and threaded flanges (15) penetrating through the communicating pipe (20) are fixedly connected to two sides of the middle of the communicating pipe (20); the control assembly (7) is sleeved in the primary support cylinder (4), an external thread is arranged at the top of the primary support cylinder (4), and the external thread of the primary support cylinder (4) is matched with the internal thread of the threaded flange (15); the matching component (14) comprises a secondary supporting cylinder (16), a secondary spring (18) and a secondary supporting seat (17); the inside rigid coupling of second grade support section of thick bamboo (16) has second grade spring (18), second grade spring (18) top rigid coupling has second grade supporting seat (17), the external screw thread of second grade support section of thick bamboo (16) and the interior screw-thread fit of screw-thread flange (15).

2. The pressure control valve convenient for timely troubleshooting as defined in claim 1, wherein the threaded flange (15) is fixedly connected with an elastic sealing layer (19) in the hole, and a control block (11) and a limiting block (13) penetrating through the elastic sealing layer (19) are respectively fixedly connected in the elastic sealing layer (19) at two sides.

3. The pressure control valve convenient for timely troubleshooting as defined in claim 2, wherein the section of the control block (11) penetrating through the elastic sealing layer (19) is trapezoidal, and the upper surface of the limiting block (13) is provided with a trapezoidal groove matched with the top end of the control block (11).

4. The pressure control valve convenient for timely troubleshooting according to claim 1, characterized in that a threaded hole (3) is formed in the bottom of the primary support cylinder (4), the threaded rod (2) penetrates through the threaded hole (3), and a rotating handle (1) is fixedly connected to the outer end of the threaded rod (2).

5. The pressure control valve convenient for timely troubleshooting according to claim 1, characterized in that the control component (7) comprises a limit base (5), a limit sleeve (6), a limit rod (9), a primary support seat (10) and a primary spring (8), the limit base (5) is matched with the inner diameter of the primary support cylinder (4), the limit sleeve (6) is fixedly connected to the bottom of the limit base (5), the threaded rod (2) is in pressure contact with the top of the limit base (5), the limit sleeve (6) is inserted into one end of the limit rod (9), and the primary support seat (10) is fixedly connected to the other end of the limit rod (9).

6. The pressure control valve convenient for timely troubleshooting as defined in claim 5, wherein the primary spring (8) is fixedly connected at both ends thereof with a primary support seat (10) and a limit base (5), and the primary spring (8) is sleeved outside the limit sleeve (6) and the limit rod (9).

7. The pressure control valve convenient for timely troubleshooting as defined in claim 2 wherein said threaded flange (15) is threaded with a primary support cylinder (4) and a secondary support cylinder (16), respectively, the top of said control block (11) is in pressure contact with a primary support seat (10), and the bottom of said stop block (13) is in pressure contact with a secondary support seat (17).