Hydraulic valve block assembly

By introducing structures such as limit frames, regulating pipes, and filter cartridges into the hydraulic valve block assembly, the problems of component loosening and impurities in the hydraulic system under harsh working conditions are solved, achieving high-precision flow control and cleanliness, and improving the stability and reliability of the hydraulic system.

CN223608967UActive Publication Date: 2025-11-28YANTAI CHENYUE MASCH EQUIP CO LTD
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Patent Information

Application Number
CN202520088726.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2025-11-28
Estimated Expiration
2035-01-15

AI Technical Summary

Technical Problem

The existing hydraulic valve block assembly lacks an effective positioning and support structure, which leads to component loosening and displacement under harsh working conditions such as vibration and pressure fluctuations. This results in hydraulic oil leakage, insufficient flow control accuracy, and poor filtration effect, making it difficult to meet the high precision requirements of modern industry.

Method used

A hydraulic valve block assembly was designed, including a limit frame, regulating pipe, pipe joint, flange pipe, and filter cylinder. Through the precise positioning and support of the limit frame, the flow control of the regulating pipe, and the filtration function of the flange pipe, the stable transmission and high-precision filtration of hydraulic oil are ensured, preventing component loosening and impurity particles from entering.

Benefits of technology

It improves the reliability and durability of the hydraulic system, ensures stable transmission of hydraulic oil, prevents leakage and impurities, achieves high-precision flow control and cleanliness, and enhances the operational stability and service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of industry, and discloses a hydraulic valve block assembly which comprises a main body, a limiting frame clamped to the bottom of the main body, an adjusting pipe arranged on one side of the main body, a pipe joint arranged on one side of the main body, a conveying pipe arranged on the outer wall of the main body, a flange pipe arranged on the top of the main body, and a filter cartridge fixedly installed in the middle of the flange pipe. According to the hydraulic valve block assembly, through cooperative arrangement of the main body, the limiting frame, the adjusting pipe, the pipe connector and the conveying pipe, the risk of component looseness or displacement caused by vibration or pressure fluctuation can be effectively reduced, the overall reliability and durability of the assembly are greatly improved, the main body is accurately positioned and stably supported through the limiting frame, and the assembly is convenient to use. The hydraulic oil is more smoothly transmitted in all connectors and channels, oil way leakage or unsmoothness caused by position deviation of the main body is avoided, the flow of the hydraulic oil is effectively adjusted and controlled through the adjusting pipe, and the pipe connector is prevented from loosening or falling off in the impact process of high-pressure hydraulic oil or the vibration process of equipment.
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Description

TECHNICAL FIELD

[0001] The utility model relates to industrial technology field, concretely is a kind of hydraulic valve block assembly. BACKGROUND

[0002] In today's industrial field, hydraulic technology, with its unique advantages, such as high power density, precise force and speed control, good overload protection characteristics, etc., occupies an indispensable position in many mechanical equipment, from large engineering machinery, such as excavators, cranes, loaders, to precision machine tools, to aerospace aircraft hydraulic control systems and various industrial automation production lines, hydraulic systems play a key role in transmitting power, achieving precise motion control and ensuring stable operation of equipment. With the development of industrial production towards higher efficiency, higher precision, more intelligent and more energy-saving and environmental protection, the hydraulic system and its core component hydraulic valve block assembly are increasingly demanding, in modern industrial manufacturing scenarios, such as high-precision machining of automobile parts, the hydraulic valve block assembly is required to achieve extremely precise flow control of hydraulic actuators to ensure the movement precision of machining tools in microns, thereby meeting the high quality standards of products. At the same time, the hydraulic system needs to have the ability to seamlessly interface and work with various sensors, controllers and industrial networks to realize real-time monitoring, remote adjustment and intelligent fault diagnosis and warning of hydraulic parameters, which poses unprecedented challenges to the integration and intelligence level of the hydraulic valve block assembly.

[0003] However, the prior art has the following problems when used in practice:

[0004] When the overall device is used, there is often a lack of effective positioning and supporting structure, which leads to loosening and displacement of the components during long-term operation, especially in harsh working conditions such as vibration, impact and pressure fluctuation, which in turn causes hydraulic oil leakage, poor oil flow, and the flow control device is usually complex in structure and limited in adjustment precision, making it difficult to meet the high-precision flow control requirements of modern industry for hydraulic systems, and the filtering effect is poor, which cannot effectively remove the small impurity particles in the hydraulic oil. INVENTION CONTENTS

[0005] (I) Technical problems solved

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a hydraulic valve block assembly, which solves the problems in the prior art:

[0007] The overall device lacks effective positioning and supporting structure during use, so that parts are prone to looseness and displacement during long-term operation, especially under harsh working conditions such as vibration, impact and pressure fluctuation, thereby causing hydraulic oil leakage, poor oil passage, the flow control device is usually complex in structure and limited in adjustment accuracy, it is difficult to meet the requirements of modern industry for high-precision flow control of hydraulic systems, and the filtering effect is poor, and the problem of effectively removing small impurity particles in the hydraulic oil cannot be solved.

[0008] (II) Technical solutions

[0009] To achieve the above purpose, the utility model discloses a hydraulic valve block assembly, including the main body, the bottom of main body is connected with the limiting frame, one side of main body is equipped with the adjusting pipe, one side of main body is equipped with the pipe joint, the outer wall of main body is equipped with the delivery pipe, the top of main body is equipped with the flange pipe, the middle part of flange pipe is fixedly installed filter cartridge.

[0010] Further, the outer wall of the main body is fixedly installed with a signboard, and the main body is provided with a circular hole, and the top of the circular hole is threadedly connected with a combination ring.

[0011] Further, the inner part of the limiting frame is fixedly installed with a shaft ring, the top of the shaft ring is connected with the bottom of the main body, and the outer wall of the limiting frame is welded with an additional sheet.

[0012] Further, the inner part of the additional sheet is threadedly connected with a bolt, and the outer wall of the bolt is threadedly connected with a friction ring.

[0013] Further, one side of the adjusting pipe is fixedly installed with a reinforcing ring, one side of the reinforcing ring is threadedly connected with one side of the main body, and the top of the adjusting pipe is connected with an adjusting valve.

[0014] Further, the inner part of the pipe joint is connected with a branch pipe, one side of the pipe joint is threadedly connected with a through pin, and one side of the through pin is threadedly connected with one side of the main body.

[0015] Further, the bottom of the flange pipe is welded with a flange plate, and the bottom of the flange plate is threadedly connected with the top of the main body.

[0016] Further, the inner part of the filter cartridge is fixedly installed with a filter cover, and the inner part of the filter cover is fixedly connected with a filter screen.

[0017] (III) Beneficial effects

[0018] The utility model provides a hydraulic valve block assembly, has the following beneficial effects:

[0019] The hydraulic valve block assembly, through the cooperation of the main body, the limiting frame, the adjusting pipe, the pipe joint and the conveying pipe, can effectively reduce the risk of part loosening or displacement caused by vibration or pressure fluctuation, greatly improve the overall reliability and durability of the assembly, the limiting frame precisely positions and stably supports the main body, so that the transmission of hydraulic oil in the interfaces and passages is smoother, oil leakage or poor caused by main body position deviation is avoided, the adjusting pipe effectively regulates the hydraulic oil flow, prevents the pipe joint from loosening or falling off during high-pressure hydraulic oil impact or equipment vibration, and the flange pipe and the filter cartridge are cooperatively arranged, so that hydraulic element failure and damage caused by impurity particle wear and blockage are avoided, the hydraulic oil is continuously filtered, the hydraulic oil can stably transmit pressure and power in the system, and the working precision and response speed of the hydraulic system are improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic view of the utility model;

[0021] Figure 2 It is a structural schematic view of the main body of the utility model;

[0022] Figure 3 It is a structural schematic view of the limiting frame of the utility model;

[0023] Figure 4 It is a structural schematic view of the adjusting pipe of the utility model;

[0024] Figure 5 It is a structural schematic view of the pipe joint of the utility model;

[0025] Figure 6 It is a structural schematic view of the filter cartridge of the utility model.

[0026] In the drawing: 1, main body; 2, limiting frame; 3, adjusting pipe; 4, pipe joint; 5, conveying pipe; 6, flange pipe; 7, filter cartridge; 8, signboard; 9, round hole; 10, combined ring; 11, shaft ring; 12, additional sheet; 13, bolt; 14, friction ring; 15, reinforcing ring; 16, adjusting valve; 17, branch pipe; 18, through pin; 19, flange plate; 20, filter cover; 21, filter screen. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] Please refer to Figures 1 to 6The utility model embodiment provides a kind of hydraulic valve block assembly, this hydraulic valve block assembly is applied to the scene of industry, and the structure of hydraulic valve block assembly is improved in this embodiment, so it has the advantages of safety and stability.

[0029] Example one:

[0030] Please refer to Figures 1 to 3The utility model provides a technical scheme: a hydraulic valve block assembly, including main body 1, the bottom clamping of main body 1 is connected with limit frame 2, the outer wall fixed mounting of main body 1 has signboard 8, the bottom of main body 1 is connected with round hole 9, and the top screw thread connection of round hole 9 has combination ring 10, the inside fixed mounting of limit frame 2 has shaft ring 11, and the top of shaft ring 11 is connected with the bottom of main body 1, and the outer wall welding of limit frame 2 has additional sheet 12, and the inside screw thread connection of additional sheet 12 has bolt 13, and the outer wall screw thread connection of bolt 13 has friction ring 14, therefore, through staff can be according to the information on signboard 8 rapidly and accurately identify the purpose of each component and interface, avoid the system failure or safety accident caused by misoperation, greatly improve work efficiency and the accuracy of operation, reduce the equipment damage risk caused by human factors, round hole 9 can also be used as the auxiliary passage or reserved process hole of internal oil channel, facilitate the processing, cleaning or dredging of internal oil channel in the manufacturing process, guarantee the unobstructedness and cleanliness of oil channel, improve the overall performance and reliability of hydraulic valve block assembly, combination ring 10 is connected in the top of round hole 9 through screw thread, has played the role of sealing, protection and auxiliary fixation relevant element, combination ring 10 can also fix the position of sensor element to a certain extent, prevent its displacement or loosening due to vibration or other external factors, guarantee the accuracy of monitoring data and the normal work of element, further improve the stability and reliability of hydraulic valve block assembly, the clamping mode of shaft ring 11 and the bottom of main body 1 realizes the accurate limit of main body 1 in horizontal direction, the design of shaft ring 11 closely fits the bottom profile of main body 1, and it is fixedly installed in the inside of limit frame 2, so that main body 1 can keep stable horizontal position after installation, effectively avoid the displacement of main body 1 in horizontal direction due to external force or vibration in long-term operation, the welding of additional sheet 12 increases the connecting point and connecting area of limit frame 2 and external installation structure, by screwing bolt 13 in the inside of additional sheet 12, limit frame 2 can be firmly fixed on the rack or specific installation platform of equipment, further enhance the installation stability of entire hydraulic valve block assembly, when there is strong vibration, impact or frequent load change in complex working environment, the cooperation of additional sheet 12 and bolt 13 can effectively disperse and absorb these external forces, prevent limit frame 2 and main body 1 from loosening or displacement, guarantee the continuous normal operation of hydraulic system, reduce the equipment failure risk caused by unstable installation, the setting of friction ring 14 further enhances the stability and anti-loosening performance of bolt 13 connection, in the equipment operation process, due to the influence of vibration, impact and other factors, bolt 13 is prone to loosening, leading to the connection failure between limit frame 2 and installation structure, friction ring 14 is connected with bolt 13 through screw thread, increases the friction between bolt 13 and additional sheet 12, effectively prevents bolt 13 from loosening due to vibration.

[0031] Embodiment two:

[0032] Please refer to Figure 1 , Figure 4 and Figure 5 , in order to facilitate the docking between the pipes, precise adjustment operation can be realized, and the device adjusting pipe 3 and pipe joint 4 are arranged;

[0033] One side of the main body 1 is provided with an adjusting pipe 3, one side of the main body 1 is provided with a pipe joint 4, the outer wall of the main body 1 is provided with a conveying pipe 5, the adjusting pipe 3 is fixedly installed on one side of the reinforcing ring 15, the reinforcing ring 15 is screwed on one side of the main body 1, the adjusting valve 16 is clamped on the top of the adjusting pipe 3, the branch pipe 17 is clamped in the pipe joint 4, the through pin 18 is screwed on one side of the pipe joint 4, and the through pin 18 is screwed on one side of the main body 1. Therefore, the reinforcing ring 15 is closely combined with the outer wall of the main body 1, the high-strength connection between the adjusting pipe 3 and the main body 1 is realized through screw connection, under the impact of high-pressure hydraulic oil, this stable connection structure can effectively prevent the adjusting pipe 3 from loosening, deforming or displacing, ensure the normal working position and performance stability of the adjusting pipe 3 in the hydraulic system, the adjusting valve 16 is clamped on the top of the adjusting pipe 3, which is convenient for the operator to accurately adjust the flow of hydraulic oil, the adjusting valve 16 adopts advanced flow control technology, which can accurately adjust the opening of the valve port through rotary operation mode according to the actual demand of the system, so as to change the flow rate and flow of hydraulic oil in the adjusting pipe 3, the clamping mode of the branch pipe 17 and the pipe joint 4 ensures the close connection and good sealing performance between them, guarantees the pressure integrity of the hydraulic system, so that the hydraulic oil can be stably and efficiently transmitted between the pipe joint 4 and the branch pipe 17, the through pin 18 passes through the pipe joint 4 and is screwed with the main body 1, forming a multiple fixed structure, which effectively prevents the pipe joint 4 from loosening or falling off during the impact of high-pressure hydraulic oil or equipment vibration, this reliable connection mode ensures the continuity and safety of hydraulic oil transmission, avoids hydraulic system failure or leakage accident caused by pipe joint 4 connection problem, in the long-term operation process of the hydraulic valve block assembly, the existence of the through pin 18 can keep the stable installation state of the pipe joint 4, reduce the frequency of equipment maintenance and repair, and improve the reliability and service life of the equipment.

[0034] Example three:

[0035] Please refer to Figure 1 and Figure 6 , in order to effectively filter the impurities in the pipe, increase the practicability, set the device flange pipe 6 and filter cylinder 7;

[0036] The top of the main body 1 is provided with a flange pipe 6, the middle part of the flange pipe 6 is fixedly installed with a filter cylinder 7, the bottom of the flange pipe 6 is welded with a flange plate 19, the bottom of the flange plate 19 is threadedly connected with the top of the main body 1, the inside of the filter cylinder 7 is fixedly installed with a filter cover 20, and the inside of the filter cover 20 is fixedly connected with a filter screen 21, therefore, the close butt joint between the flange pipe 6 and the main body 1 is realized through the flange plate 19, the smooth transmission of the hydraulic oil between the flange pipe 6 and the main body 1 is ensured, and when the flange pipe 6 or the related parts need to be overhauled, maintained or replaced, the flange pipe 6 or the related parts can be quickly and conveniently disassembled, the maintainability and operability of the hydraulic valve block assembly are improved, the equipment maintenance cost and downtime are reduced, the filter cover 20 is designed by adopting high-strength and corrosion-resistant materials, can withstand the pressure and scouring force of the hydraulic oil, and prevents the filter screen 21 from being deformed or damaged due to external force in a long-term use process, the internal structure of the filter cover 20 is closely matched with the filter screen 21, the hydraulic oil must pass through the filter screen 21 for filtration when passing through the filter cylinder 7, and impurity particles in the hydraulic oil are effectively intercepted, the filtering effect and service life of the filter cylinder 7 are improved through the structural design, the cleanliness of the hydraulic oil is guaranteed, and reliable filtration protection is provided for stable operation of the hydraulic system, the filter screen 21 is a core filtering element of the filter cylinder 7, adopts high-precision filtering materials, and can effectively remove small impurity particles in the hydraulic oil, such as metal chips, dust, oxides and the like, the filtering precision of the filter screen 21 is selected according to specific requirements of the hydraulic system, and the cleanliness of the hydraulic oil in different application scenes can be met.

[0037] In the utility model, the working steps of the device are as follows:

[0038] Firstly, the main body 1 is installed and positioned through the bottom clamping limiting frame 2, the shaft ring 11 inside the limiting frame 2 is tightly clamped with the bottom of the main body 1, accurate positioning in the horizontal direction is realized, and deviation of the main body 1 is prevented, then, the additional sheet 12 welded on the outer wall of the limiting frame 2 and the bolt 13 and the friction ring 14 connected through the internal thread are utilized, the whole assembly is firmly installed at the specified position of the equipment, it is ensured that displacement does not occur under external forces such as vibration and impact during operation, the branch pipe 17 of the pipe joint 4 is clamped inside the pipe joint 4, and is firmly connected with one side of the main body 1 through the through pin 18 connected through the thread on one side, it is ensured that the connection between the pipe joint 4 and the main body 1 is tight and well sealed, and hydraulic oil leakage is prevented, then, the external pipeline is connected with the pipe joint 4, so that the hydraulic oil can smoothly flow into and out of the hydraulic valve block assembly, according to the working requirement of the hydraulic system, the flow of the hydraulic oil is controlled through the adjusting valve 16 clamped on the top of the pipe 3, when adjusting, the operator can rotate the adjusting valve 16 according to the actual situation, the valve opening of the adjusting pipe 3 is changed, and therefore the flow rate of the hydraulic oil is accurately adjusted, so that accurate control on the movement speed and force of the executing element is realized, the hydraulic oil circulates between the main body 1 and other components during the circulation, and enters the filter cartridge 7 through the flange pipe 6, the hydraulic oil first passes through the filter cover 20 inside the filter cartridge 7, the filter cover 20 provides support for the filter screen 21 and guides the hydraulic oil to uniformly pass through the filter screen 21, the filter screen 21 effectively intercepts impurity particles in the hydraulic oil by virtue of the high-precision filtering material, continuous filtration and purification of the hydraulic oil are realized, and the cleanliness of the hydraulic oil is ensured, so that clean oil source is provided for stable operation of the hydraulic system.

[0039] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the range of the utility model is defined by the appended claims and its equivalents.

Claims

1. A hydraulic valve block assembly comprising a main body (1), characterised in that: The bottom of the main body (1) is clamped with a limiting frame (2), one side of the main body (1) is provided with an adjusting pipe (3), one side of the main body (1) is provided with a pipe joint (4), the outer wall of the main body (1) is provided with a conveying pipe (5), the top of the main body (1) is provided with a flange pipe (6), the middle of the flange pipe (6) is fixedly installed with a filter cylinder (7).

2. A hydraulic valve block assembly according to claim 1, characterized in that: The outer wall of the main body (1) is fixedly installed with a signboard (8), the main body (1) is provided with a round hole (9), and the top of the round hole (9) is threadedly connected with a combined ring (10).

3. The hydraulic valve block assembly of claim 1, wherein: The inside of the limiting frame (2) is fixedly installed with a shaft ring (11), the top of the shaft ring (11) is clamped with the bottom of the main body (1), and the outer wall of the limiting frame (2) is welded with an additional sheet (12).

4. A hydraulic valve block assembly according to claim 3, wherein: The inside of the additional sheet (12) is threadedly connected with a bolt (13), and the outer wall of the bolt (13) is threadedly connected with a friction ring (14).

5. The hydraulic valve block assembly of claim 1, wherein: One side of the adjusting pipe (3) is fixedly installed with a reinforcing ring (15), one side of the reinforcing ring (15) is threadedly connected with one side of the main body (1), and the top of the adjusting pipe (3) is clamped with an adjusting valve (16).

6. The hydraulic valve block assembly of claim 1, wherein: The inside of the pipe joint (4) is clamped with a branch pipe (17), one side of the pipe joint (4) is threadedly connected with a penetrating pin (18), and one side of the penetrating pin (18) is threadedly connected with one side of the main body (1).

7. The hydraulic valve block assembly of claim 1, wherein: The bottom of the flange pipe (6) is welded with a flange plate (19), and the bottom of the flange plate (19) is threadedly connected with the top of the main body (1).

8. The hydraulic valve block assembly of claim 1, wherein: The inside of the filter cylinder (7) is fixedly installed with a filter cover (20), and the inside of the filter cover (20) is fixedly connected with a filter screen (21).