Telescopic hydraulic control valve

By introducing telescopic components and sealing structures into the hydraulic control valve, the problem of the non-adjustable connection length of existing hydraulic control valves has been solved, enabling flexible installation and efficient disassembly and assembly, and enhancing the adaptability and sealing performance of the equipment.

CN224135260UActive Publication Date: 2026-04-17JILIN YUANQUAN INTELLIGENT EQUIP MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JILIN YUANQUAN INTELLIGENT EQUIP MFG CO LTD
Filing Date
2025-05-20
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

The existing hydraulic control valves have a fixed structure and the connection length is not adjustable, which makes installation difficult and disassembly cumbersome, and cannot adapt to the deviation of pipeline length on site.

Method used

A telescopic hydraulic control valve was designed. By setting a telescopic component on the outer wall of the connecting pipe, including an adjusting cylinder, an inner tube, a piston, a sealing ring, and a spring, the connection length can be flexibly adjusted, and the sealing performance is ensured by threaded connection and sealing structure.

Benefits of technology

It enables flexible adjustment based on the deviation of the pipeline length on site, simplifies the installation and disassembly process, and improves the sealing performance and convenience of the equipment.

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Abstract

The utility model relates to the technical field of hydraulic control valves, in particular to a telescopic hydraulic control valve which is characterized in that the telescopic hydraulic control valve comprises a control valve body, flange rings are fixedly installed at the left end and the right end of the control valve body respectively, and a connecting pipe is arranged on one side of each flange ring; during use, a bolt is in threaded connection with a flange ring, so that a connecting pipe is installed, water can be drained through an inner pipe, meanwhile, the connecting pipe is in threaded connection with an adjusting cylinder, the telescopic purpose can be achieved by rotating the adjusting cylinder, and water can be prevented from flowing out of a gap through connection of a first piston and the connecting pipe; the effect of adjusting the connecting length is achieved, sealing installation between a sealing pipe and a connecting pipe can be achieved through sleeving of a sealing ring and a side groove, a spring is arranged, after the sealing pipe and the connecting pipe are installed, the spring can push the sealing ring to be sleeved with the side groove at the moment, and through sleeving of a second piston and the side groove, the sealing pipe and the connecting pipe can be sealed. Water can be prevented from flowing out of the gap.
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Description

Technical Field

[0001] This utility model relates to the field of hydraulic control valve technology, specifically to a telescopic hydraulic control valve. Background Technology

[0002] A hydraulic control valve is a device that automatically adjusts, controls, or shuts off water flow based on the pressure changes of the medium itself. It is widely used in water supply and drainage systems to achieve functions such as pressure stabilization, pressure reduction, backflow prevention, and water level control. It can realize automatic management of the pipeline network without the need for external energy.

[0003] However, existing hydraulic control valves generally suffer from fixed structures and non-adjustable connection lengths, making it impossible to flexibly adjust them according to the deviation of the pipeline length during actual installation, which easily leads to installation difficulties. In addition, the lack of a telescopic structure makes the disassembly and assembly process cumbersome during later operation, maintenance or valve replacement. To solve the above problems, we propose a telescopic hydraulic control valve. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a telescopic hydraulic control valve, solving the problems mentioned in the background art.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0006] A telescopic hydraulic control valve includes: a control valve body, wherein flange rings are fixedly installed at the left and right ends of the control valve body, a connecting pipe is provided on one side of the flange rings, and a plurality of mounting holes are opened on one side of the connecting pipe; and a telescopic assembly, which is disposed on the outer wall of the connecting pipe for adjusting the connection length.

[0007] By adopting the above technical solution and setting up a telescopic component, the connection length of the control valve body can be adjusted, thereby flexibly adjusting for deviations in the length of the pipeline on site and increasing the convenience of disassembly and assembly.

[0008] Preferably, the telescopic assembly includes: an adjusting cylinder, which is sleeved on the outer wall of the connecting pipe, a side hole is provided on one side of the adjusting cylinder, an inner tube is fixedly installed inside the side hole, a first piston is sleeved on the outer wall of the inner tube, the first piston is sleeved together with the inner wall of the connecting pipe, the inner wall of the adjusting cylinder is threaded, and the outer wall of the connecting pipe is threaded.

[0009] By adopting the above technical solution and setting a first piston, water can be drained through the inner pipe during use. At the same time, the adjustment cylinder can be rotated to achieve the purpose of extension and retraction through the threaded connection between the connecting pipe and the adjusting cylinder. The connection between the first piston and the connecting pipe can prevent water from flowing out from the gap, thereby achieving the effect of adjusting the connection length.

[0010] Preferably, the telescopic assembly further includes: a sealing tube, which is fixedly installed on the inner wall of the flange ring, a side groove is provided on one side of the sealing tube, a sealing ring is sleeved inside the side groove, and a sealing groove is provided on one side of the connecting tube.

[0011] By adopting the above technical solution and setting a sealing ring, the sealing pipe and the connecting pipe can be sealed during use by fitting the sealing ring and the side groove together.

[0012] Preferably, the telescopic assembly further includes: a plurality of springs, all of which are fixedly installed inside the side groove; a second piston is fixedly installed on one side of the sealing ring; the second piston is sleeved together with the side groove and fixedly connected to the springs.

[0013] By adopting the above technical solution and setting a spring, when the sealing tube and connecting tube are installed, the spring will push the sealing ring into the inside of the side groove, and the second piston and the side groove can prevent water from flowing out from the gap.

[0014] Preferably, a rubber pad is fixedly installed on one side of the sealing ring.

[0015] By adopting the above technical solution and setting rubber pads to fit the side grooves, the tightness after installation is increased.

[0016] Preferably, a sealing ring is fixedly installed on one side of the sealing tube and the connecting tube respectively.

[0017] By adopting the above technical solution and setting a sealing ring, the sealing performance of the equipment can be further increased by the mutual contact of the two sealing rings during use.

[0018] Preferably, a bolt is provided inside the mounting hole, and the bolt is threadedly connected to the flange ring.

[0019] By adopting the above technical solution, bolts are used for threaded connection with the flange ring, thereby installing the connecting pipe.

[0020] Preferably, the inner tube is provided with a water pipe joint.

[0021] By adopting the above technical solution and installing water pipe joints, users can easily connect to external pipelines.

[0022] In summary, the present invention has the following main advantages:

[0023] By setting up a telescopic component, the connection length of the control valve body can be adjusted, thereby flexibly adjusting the deviation of the pipeline length on site and increasing the convenience of disassembly and assembly. By setting up a first piston, water can be drained through the inner pipe during use. At the same time, the extension and retraction can be achieved by rotating the adjusting cylinder through the threaded connection between the connecting pipe and the adjusting cylinder. The connection between the first piston and the connecting pipe can prevent water from flowing out from the gap, thereby achieving the effect of adjusting the connection length.

[0024] By setting a sealing ring, the sealing pipe and the connecting pipe can be sealed during use by fitting the sealing ring and the side groove. By setting a spring, when the sealing pipe and the connecting pipe are installed, the spring will push the sealing ring into the inside of the side groove, and by fitting the second piston and the side groove, water can be prevented from flowing out from the gap.

[0025] Rubber gaskets are used to fit the side grooves to increase the tightness after installation. Sealing rings are used to further increase the sealing performance of the equipment during use by the mutual contact of two sealing rings. Bolts are used for threaded connection with flange rings to install the connecting pipe. Attached Figure Description

[0026] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0027] Figure 2 This is a cross-sectional view of the sealing tube of this utility model;

[0028] Figure 3 This is a schematic diagram of the adjusting cylinder structure of this utility model.

[0029] Reference numerals: 100, control valve body; 200, flange ring; 300, connecting pipe; 400, mounting hole; 500, telescopic assembly; 501, adjusting cylinder; 502, side hole; 503, inner pipe; 504, first piston; 505, sealing pipe; 506, side groove; 507, sealing ring; 508, sealing groove; 509, spring; 510, second piston; 600, rubber gasket; 700, sealing ring; 800, bolt. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of the present utility model embodiments clearer, the technical solutions of the present utility model embodiments will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments obtained by those skilled in the art based on the described embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0031] The following embodiments are used to illustrate the present invention, but should not be used to limit the scope of protection of the present invention. The conditions in the embodiments can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0032] refer to Figures 1-3 A telescopic hydraulic control valve includes: a control valve body 100, with flange rings 200 fixedly installed at both ends of the control valve body 100; a connecting pipe 300 is provided on one side of the flange rings 200; a plurality of mounting holes 400 are provided on one side of the connecting pipe 300; and a telescopic component 500 is provided on the outer wall of the connecting pipe 300 for adjusting the connection length. By providing the telescopic component 500, the connection length of the control valve body 100 can be adjusted, allowing for flexible adjustment based on deviations in the on-site pipe length, increasing the ease of assembly and disassembly. The telescopic component 500 includes: an adjusting cylinder 501, which is sleeved on the outer wall of the connecting pipe 300. A side hole 502 is provided on one side of 01. An inner tube 503 is fixedly installed inside the side hole 502. A first piston 504 is sleeved on the outer wall of the inner tube 503. The first piston 504 is sleeved together with the inner wall of the connecting tube 300. The inner wall of the adjusting cylinder 501 is threaded, and the outer wall of the connecting tube 300 is threaded. By setting the first piston 504, water can be drained through the inner tube 503 during use. At the same time, the connecting tube 300 and the adjusting cylinder 501 are connected by threads, so the purpose of extension and retraction can be achieved by rotating the adjusting cylinder 501. The connection between the first piston 504 and the connecting tube 300 can prevent water from flowing out from the gap, thereby achieving the effect of adjusting the connection length.

[0033] refer to Figures 1-3 The telescopic assembly 500 further includes: a sealing tube 505, which is fixedly installed on the inner wall of the flange ring 200. A side groove 506 is formed on one side of the sealing tube 505, and a sealing ring 507 is fitted inside the side groove 506. A sealing groove 508 is formed on one side of the connecting pipe 300. By providing the sealing ring 507, a sealed installation between the sealing tube 505 and the connecting pipe 300 can be achieved during use through the fitting of the sealing ring 507 and the side groove 506. The telescopic assembly 500 also includes: a plurality of... Springs 509, several springs 509 are fixedly installed inside the side groove 506. A second piston 510 is fixedly installed on one side of the sealing ring 507. The second piston 510 is sleeved with the side groove 506 and fixedly connected with the springs 509. By setting the springs 509, when the sealing tube 505 and the connecting tube 300 are installed, the springs 509 will push the sealing ring 507 into the side groove 506. The sleeve of the second piston 510 and the side groove 506 can prevent water from flowing out from the gap.

[0034] refer to Figures 1-3 A rubber pad 600 is fixedly installed on one side of the sealing ring 507. The rubber pad 600 is used to fit the side groove 506 to increase the tightness after installation. A sealing ring 700 is fixedly installed on one side of the sealing pipe 505 and the connecting pipe 300 respectively. The sealing ring 700 is used to further increase the sealing performance of the equipment by the mutual contact of the two sealing rings 700 during use. A bolt 800 is provided inside the mounting hole 400. The bolt 800 is threadedly connected to the flange ring 200. The bolt 800 is used to threadly connect with the flange ring 200 to install the connecting pipe 300. A water pipe joint 900 is provided inside the inner pipe 503.

[0035] Working principle: Please refer to Figures 1-3 As shown, during use, the connecting pipe 300 is installed by connecting the bolt 800 and the flange ring 200 with threads. Drainage can be achieved through the inner pipe 503. Simultaneously, the connecting pipe 300 and the adjusting cylinder 501 are connected by threads, and the purpose of extension and retraction can be achieved by rotating the adjusting cylinder 501. The connection between the first piston 504 and the connecting pipe 300 can prevent water from flowing out of the gap, thereby achieving the effect of adjusting the connection length. The sealing ring 507 and the side groove 506 can be fitted to achieve a sealed installation between the sealing pipe 505 and the connecting pipe 300. By setting the spring 509, when the sealing pipe 505 and the connecting pipe 300 are installed, the spring 509 will push the sealing ring 507 into the inside of the side groove 506. The second piston 510 and the side groove 506 can prevent water from flowing out of the gap.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that, unless otherwise defined, the technical or scientific terms used in this invention shall have the ordinary meaning understood by one of ordinary skill in the art to which this invention pertains. Terms such as “comprising” or “including” as used in this invention mean that the element or object preceding the word covers the element or object listed after the word and its equivalents, without excluding other elements or objects. Terms such as “connection” or “linked” are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. Terms such as “up,” “down,” “left,” and “right” are used only to indicate relative positional relationships, and the relative positional relationship may also change accordingly when the absolute position of the described object changes.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A retractable hydraulic control valve characterized by, include: The control valve body (100) has flange rings (200) fixedly installed at its left and right ends respectively. A connecting pipe (300) is provided on one side of the flange ring (200), and a plurality of mounting holes (400) are opened on one side of the connecting pipe (300). Telescopic component (500), the telescopic component (500) is disposed on the outer wall of the connecting pipe (300) for adjusting the connection length; The telescopic assembly (500) includes: An adjusting cylinder (501) is sleeved on the outer wall of the connecting pipe (300). A side hole (502) is opened on one side of the adjusting cylinder (501). An inner tube (503) is fixedly installed inside the side hole (502). A first piston (504) is sleeved on the outer wall of the inner tube (503). The first piston (504) is sleeved together with the inside of the connecting pipe (300). The inner wall of the adjusting cylinder (501) is threaded, and the outer wall of the connecting pipe (300) is threaded.

2. A retractable hydraulic control valve according to claim 1, wherein The telescopic assembly (500) also includes: A sealing tube (505) is fixedly installed on the inner wall of the flange ring (200). A side groove (506) is provided on one side of the sealing tube (505). A sealing ring (507) is fitted inside the side groove (506). A sealing groove (508) is provided on one side of the connecting tube (300).

3. A retractable hydraulic control valve according to claim 2, wherein The telescopic assembly (500) also includes: A plurality of springs (509) are fixedly installed inside the side groove (506). A second piston (510) is fixedly installed on one side of the sealing ring (507). The second piston (510) is sleeved together with the side groove (506) and fixedly connected to the springs (509).

4. A retractable hydraulic control valve according to claim 3, wherein A rubber pad (600) is fixedly installed on one side of the sealing ring (507).

5. A retractable hydraulic control valve according to claim 4, wherein A sealing ring (700) is fixedly installed on one side of the sealing tube (505) and the connecting tube (300).

6. A retractable hydraulic control valve according to claim 5, wherein A bolt (800) is provided inside the mounting hole (400), and the bolt (800) is threadedly connected to the flange ring (200).

7. A retractable hydraulic control valve according to claim 6, wherein The inner tube (503) is equipped with a water pipe joint (900).