Control device of hydraulic multi-way valve

Abstract

According to the technical scheme, the operating device of the hydraulic multi-way valve is characterized by comprising a hydraulic multi-way valve body, a lower operating rod is fixedly installed at the connecting end of the hydraulic multi-way valve body, an upper operating rod is arranged on the top face of the lower operating rod, a threaded column is fixedly installed on the bottom face of the upper operating rod, and a threaded rod is arranged on the threaded column. The sleeve is fixedly mounted on the top surface of the lower operating rod, and a top block is arranged on the top surface of the sleeve; during use, the sleeve and the ejector block can be preliminarily connected through sleeving of the connecting frame and the annular groove, at the moment, the connecting frame can rotate in the annular groove by rotating the ejector block, then through cooperation of a threaded hole and a threaded column, the effect of adjusting the operation height can be achieved, and after the height is adjusted, a protective ring can be pushed through a spring, so that the operation height is adjusted. The cover threaded column is used for protecting the top block, follow-up adjustment difficulty caused by external impurity pollution is prevented, and the bottom groove is formed, so that the convenience of rotating the top block by a user can be improved through sleeving of the bottom groove and a ball during use.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic multiway valve technical field, concretely relates to a kind of operating device of hydraulic multiway valve. BACKGROUND

[0002] The whole multiway valve adopts unified modular design, which can provide reliable system solutions for manufacturers of engineering vehicles. Users can combine valve bodies according to functional requirements. It is simple and reliable. It can be a simple load-sensitive manual multiway valve or a pump-flow-independent electric control proportional control valve with non-saturation function. Hydraulic multiway valve is the control center of hydraulic system, and is one of the key components of the whole hydraulic system. Since hydraulic multiway valve integrates multiple working links and other auxiliary hydraulic elements, it has powerful functions and small size, and is widely used in engineering machinery hydraulic system. The multiway valve used for hydraulic control is composed of two or more than two three-position or four-position six-way valves. It needs to open several oil grooves on the valve rod and correspondingly open several oil chambers and oil ports on the valve body.

[0003] According to the Chinese patent with publication (announcement) No. CN219139516U, a hydraulic multiway valve with operating mechanism is disclosed, which relates to the technical field of hydraulic multiway valve. The technical solution points are as follows: a hydraulic multiway valve and a control mechanism fixedly installed on one side of the hydraulic multiway valve are included. The control mechanism includes a first operating lever and a second operating lever. The bottom end of the second operating lever is slidingly installed in the first operating lever. A sleeve is fixedly connected to the bottom end of the second operating lever through a sliding block. A sliding groove is formed on the outer surface of the first operating lever. The sleeve is slidingly installed on the outer surface of the first operating lever. A threaded sleeve is rotatably connected to the bottom end of the sleeve. A threaded area is provided on the outer surface of the first operating lever. The threaded sleeve is threadedly connected to the threaded area. The effect is that the lifting operation is extremely fast, and the operation process is extremely simple and convenient.

[0004] However, the above-mentioned hydraulic multiway valve with operating mechanism still has some deficiencies, such as the threaded area being exposed during use, which can be easily contaminated by external debris, making subsequent adjustment difficult. To solve the above problems, we propose an operating device for hydraulic multiway valve. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides an operating device for hydraulic multiway valve to solve the problems in the background art.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions:

[0007] The utility model provides a kind of operating device of hydraulic multi-way valve, comprising: hydraulic multi-way valve body, the connecting end of the hydraulic multi-way valve body is fixedly installed with lower operating rod, the top surface of the lower operating rod is provided with upper operating rod, the bottom surface of the upper operating rod is fixedly installed with threaded column;Adjusting assembly is arranged on the top surface of the lower operating rod, for adjusting operating height.

[0008] By adopting the above technical scheme, by setting the adjusting assembly, the threaded column can be covered after adjusting the height during use, to avoid the subsequent use being affected by the pollution of external sundries.

[0009] Preferably, the adjusting assembly comprises: a sleeve fixedly installed on the top surface of the lower operating rod, the top surface of the sleeve is provided with a top block, the top surface of the top block is provided with a threaded hole, the threaded hole is threadedly connected with the threaded column, the outer wall of the top block is fixedly installed with two connecting frames, the outer wall of the sleeve is fixedly provided with an annular groove, and the connecting frame is sleeved with the annular groove.

[0010] By adopting the above technical scheme, by setting the sleeve, the sleeve and the top block can be connected by sleeving the connecting frame and the annular groove during use, the connecting frame can be rotated in the annular groove by rotating the top block, and the adjusting effect of the operating height can be realized by the cooperation of the threaded hole and the threaded column.

[0011] Preferably, the adjusting assembly further comprises: a handle fixedly installed on the top surface of the upper operating rod, a spring sleeved on the outer wall of the upper operating rod, and a protective ring sleeved on the outer wall of the upper operating rod, and the two ends of the spring are fixedly connected with the handle and the protective ring.

[0012] By adopting the above technical scheme, by setting the protective ring, the threaded column can be covered by the spring pushing the protective ring after adjusting the height during use, to prevent external sundries from polluting and causing subsequent adjustment difficulty.

[0013] Preferably, the top surface of the sleeve is provided with a plurality of top grooves, the inside of the top groove is rotatably connected with a ball, the bottom surface of the top block is provided with a bottom groove, and the ball is sleeved with the bottom groove.

[0014] By adopting the above technical scheme, by setting the bottom groove, the convenience of rotating the top block can be increased by sleeving the bottom groove and the ball during use.

[0015] Preferably, the bottom surface of the annular groove is provided with a limiting groove, the bottom surface of the connecting frame is fixedly installed with a limiting block, and the limiting block is sleeved with the limiting groove.

[0016] By adopting the technical scheme, the limiting block is arranged to be sleeved with the limiting groove, so that the strength of the adjusting mechanism of the equipment is increased.

[0017] Preferably, the outer wall of the top block is fixedly provided with a plurality of anti-skid strips.

[0018] By adopting the technical scheme, the anti-skid strips are arranged to assist the user to better rotate the top block and adjust the height of the equipment.

[0019] In summary, the utility model mainly has the following beneficial effects:

[0020] The adjusting assembly is arranged, so that the threaded column can be covered after the height is adjusted during use, thereby avoiding the influence of subsequent use caused by external impurities pollution; the sleeve is arranged, so that the sleeve and the top block can be connected by sleeving the connecting frame and the annular groove during use, at this time, the connecting frame can be rotated in the annular groove by rotating the top block, and then the threaded hole and the threaded column are matched, so that the effect of adjusting the operation height is realized.

[0021] The protective ring is arranged, so that the protective ring can be pushed by the spring to cover the threaded column and protect it after the height is adjusted during use, thereby preventing subsequent adjustment difficulty caused by external impurity pollution; the bottom groove is arranged, so that the bottom groove and the ball can be sleeved to increase the convenience of the user in rotating the top block during use.

[0022] The limiting block is arranged to be sleeved with the limiting groove, so that the strength of the adjusting mechanism of the equipment is increased, and the anti-skid strips are arranged to assist the user to better rotate the top block and adjust the height of the equipment. DETAILED DESCRIPTION

[0023] Fig. 1 is a three-dimensional structure schematic view of the utility model;

[0024] Fig. 2 is a protective ring structure schematic view of the utility model;

[0025] Fig. 3 is a top block bottom view structure schematic view of the utility model.

[0026] The drawings show that: 100, hydraulic multi-way valve body; 200, lower operating rod; 300, upper operating rod; 400, threaded column; 500, adjusting assembly; 501, sleeve; 502, top block; 503, threaded hole; 504, connecting frame; 505, annular groove; 506, handle rod; 507, spring; 508, protective ring; 600, top groove; 601, ball; 602, bottom groove; 700, limiting groove; 701, limiting block; 800, anti-skid strip. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme of the embodiments of the utility model will be described clearly and completely below in combination with the drawings of the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] The following embodiments are used to illustrate the utility model, but cannot be used to limit the protection scope of the utility model. The conditions in the embodiments can be further adjusted according to specific conditions, and simple improvements of the method of the utility model under the concept of the utility model all belong to the scope of protection of the utility model.

[0029] Reference Figs. 1-3 A kind of operating device of hydraulic multi-way valve, comprising: hydraulic multi-way valve body 100, the connecting end of the hydraulic multi-way valve body 100 is fixedly installed with lower operating rod 200, the top surface of lower operating rod 200 is provided with upper operating rod 300, the bottom surface of upper operating rod 300 is fixedly installed with threaded column 400, the top surface of lower operating rod 200 is provided with adjusting assembly 500, for adjusting operating height, by setting adjusting assembly 500, in use, can be covered threaded column 400 after adjusting height, avoid subsequent use after being influenced by outside sundries pollution, adjusting assembly 500 includes: sleeve 501, sleeve 501 is fixedly installed on the top surface of lower operating rod 200, the top surface of sleeve 501 is provided with top block 502, top block 502 is provided with threaded hole 503 on the top surface, threaded hole 503 is screwed together with threaded column 400, two connecting frames 504 are fixedly installed on the outer wall of top block 502, annular groove 505 is fixedly provided on the outer wall of sleeve 501, connecting frame 504 is sleeved together with annular groove 505, by setting sleeve 501, in use, can be connected by the sleeving of connecting frame 504 and annular groove 505, to preliminarily connect sleeve 501 and top block 502, threaded hole 503 and threaded column 400 can be matched at this time by rotating top block 502, so that connecting frame 504 rotates in annular groove 505, to realize the effect of adjusting operating height.

[0030] Reference Figs. 1-3The adjustment assembly 500 further includes: a handle 506, which is fixedly installed on the top surface of the upper operating rod 300. A spring 507 is sleeved on the outer wall of the upper operating rod 300, and a protective ring 508 is sleeved on the outer wall of the upper operating rod 300. The two ends of the spring 507 are fixedly connected to the handle 506 and the protective ring 508 respectively. By setting the protective ring 508, after adjusting the height, the spring 507 can push the protective ring 508 to cover the threaded post 400 for protection, preventing external debris from contaminating it and making subsequent adjustments difficult. The top surface of the sleeve 501 has several top grooves 600, and the inside of the top grooves 600 is connected to a ball bearing 601. The bottom surface of the top block 502 has a bottom groove 602, and the ball bearing 601 is sleeved with the bottom groove 602. By setting the bottom groove 602, the sleeved bottom groove 602 and the ball bearing 601 can be sleeved together during use, thereby increasing the user's convenience in rotating the top block 502.

[0031] refer to Figs. 1-3 The bottom surface of the annular groove 505 is provided with a limiting groove 700, and the bottom surface of the connecting frame 504 is fixedly installed with a limiting block 701. The limiting block 701 is sleeved with the limiting groove 700. By setting the limiting block 701 to sleeve with the limiting groove 700, the strength of the device adjustment mechanism is increased. Several anti-slip strips 800 are fixedly installed on the outer wall of the top block 502. By setting the anti-slip strips 800, the user can better rotate the top block 502 and adjust the height of the device.

[0032] Working principle: Please refer to Figs. 1-3 As shown, during use, the sleeve 501 and the top block 502 can be initially connected by the connecting bracket 504 and the annular groove 505. At this time, the connecting bracket 504 can be rotated in the annular groove 505 by rotating the top block 502. Then, the operating height can be adjusted by the cooperation of the threaded hole 503 and the threaded post 400. After adjusting the height, the protective ring 508 can be pushed by the spring 507 to cover the threaded post 400 for protection, preventing external debris from contaminating it and making subsequent adjustments difficult. By setting the bottom groove 602, the user can increase the convenience of rotating the top block 502 by the fitting of the bottom groove 602 and the ball 601.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the technical terms or scientific terms used in the present application should be understood as the common meaning understood by those skilled in the art, unless otherwise defined, and the similar words such as "include" or "contain" mean that the elements or objects before the words cover the elements or objects listed after the words and their equivalents, and other elements or objects are not excluded. The similar words such as "connect" or "connected" are not limited to physical or mechanical connection, and can also include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent relative positional relationship, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the technical terms or scientific terms used in the present application should be understood as the common meaning understood by those skilled in the art, unless otherwise defined, and the similar words such as "include" or "contain" mean that the elements or objects before the words cover the elements or objects listed after the words and their equivalents, and other elements or objects are not excluded. The similar words such as "connect" or "connected" are not limited to physical or mechanical connection, and can also include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent relative positional relationship, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

Claims

1. A control device for a hydraulic multi-way valve, characterized by The utility model relates to hydraulic multiway valve body (100) connecting end fixed mounting has lower operating rod (200), the top surface of lower operating rod (200) is provided with upper operating rod (300), the bottom surface of upper operating rod (300) is fixedly installed with threaded column (400), adjusting assembly (500) is arranged in the top surface of lower operating rod (200) for adjusting operating height. The adjusting assembly (500) comprises: A sleeve (501) is fixedly installed on the top surface of the lower operating rod (200), a top block (502) is arranged on the top surface of the sleeve (501), a threaded hole (503) is formed in the top surface of the top block (502), the threaded hole (503) is threadedly connected with the threaded column (400), two connecting frames (504) are fixedly installed on the outer wall of the top block (502), an annular groove (505) is formed in the outer wall of the sleeve (501), and the connecting frames (504) are sleeved with the annular groove (505).

2. A hydraulic valve operating device according to claim 1, wherein The adjusting assembly (500) further comprises: A handle (506) is fixedly installed on the top surface of the upper operating rod (300), a spring (507) is sleeved on the outer wall of the upper operating rod (300), a protective ring (508) is sleeved on the outer wall of the upper operating rod (300), and the two ends of the spring (507) are fixedly connected with the handle (506) and the protective ring (508) respectively.

3. A hydraulic valve operating device according to claim 2, wherein A plurality of top grooves (600) are formed in the top surface of the sleeve (501), a plurality of balls (601) are rotatably connected in the top grooves (600), a bottom groove (602) is formed in the bottom surface of the top block (502), and the balls (601) are sleeved with the bottom groove (602). A limiting groove (700) is formed in the bottom surface of the annular groove (505), a limiting block (701) is fixedly installed on the bottom surface of the connecting frame (504), and the limiting block (701) is sleeved with the limiting groove (700).

4. A hydraulic valve operating device according to claim 3, wherein A plurality of anti-skid strips (800) are fixedly installed on the outer wall of the top block (502).

5. A hydraulic manifold valve operating device according to claim 4, wherein ​ 6. A hydraulic valve operating device according to claim 5, wherein ​

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