Bidirectional speed regulation hydraulic valve group

Abstract

The utility model relates to the technical field of hydraulic valves, and discloses a bidirectional speed regulation hydraulic valve bank which comprises a valve seat, a pipe opening, a connecting pipe, a fastening assembly, a clamping assembly and a clamping assembly. Pipe openings are formed in the ends of the two sides of the valve seat, and the fastening assemblies are embedded in the pipe openings in a matched mode. The clamping assembly is fixedly clamped to the connecting pipe, and the clamping assembly is embedded in the clamping assembly in a matched mode. The fastening assembly, the clamping assembly and the clamping assembly are matched with one another, the fixing ring of the fastening assembly is attached to the pipe opening of the valve seat and can be in sliding embedded connection with the pipe opening of the valve seat, and stabilization is facilitated through threads; an elastic clamping piece and a clamping raised head of the clamping assembly are matched with a clamping groove of the connecting pipe, so that rapid preliminary positioning is realized; a clamping ring of the clamping assembly is connected with a fixing ring through a second thread, connection is strengthened, a sealing ring is sealed in a secrecy mode, a protruding head is convenient to operate, and manpower and time can be saved, errors can be reduced, and efficiency can be improved in the scenes of engineering machinery assembling, precise instrument building and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic valve technical field, concretely is a kind of two-way speed regulating hydraulic valve group. BACKGROUND

[0002] The patent document with the existing announcement No.CN216867558U discloses a safe and reliable two-way speed regulating hydraulic valve group, which includes a valve group base, a valve body fixed to the top end of the valve group base, and a piston piece in the form of a cylinder slidingly and sealingly connected to the valve body. This safe and reliable two-way speed regulating hydraulic valve group is different from the existing technology. It uses a pneumatic adjusting mechanism to adjust the flow rate or flow volume of liquid material inside the valve group, thus meeting different usage requirements. The structure is simple and easy to operate. Furthermore, the valve group uses a detachable filtering mechanism. By using tools to loosen and remove four fastening nuts and cooperating with the setting of a C-shaped handle, the filter screen can be easily replaced, making the valve group more convenient to use. When the valve group's inlet stops the delivery of liquid material, the piston piece cooperates with the sealing ring to achieve automatic closing under the action of the sliding seat, sliding rod, and spring one, making the valve group safe and reliable to use.

[0003] However, the convenience of installing and connecting the hydraulic valve group is crucial in the above-mentioned solution and existing technology. The mechanism for facilitating valve group installation still has some shortcomings in the current technology. Some instruments have high requirements for installation convenience, and the existing technology is not convenient enough for installation and connection, which may affect production practice. Therefore, improvements and optimizations can be made.

[0004] Therefore, the utility model provides a two-way speed regulating hydraulic valve group to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a two-way speed regulating hydraulic valve group to solve the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a two-way speed regulating hydraulic valve group, including valve seat, pipe opening, connecting pipe, fastening assembly, clamping assembly, and clamping assembly.

[0007] The valve seat is provided with pipe openings at both ends, and the fastening assembly is adaptively nested in the pipe openings.

[0008] The clamping assembly is fixedly clamped on the connecting pipe, and the clamping assembly is adaptively embedded in the clamping assembly.

[0009] Preferably, the fastening cylinder in the fastening assembly is provided with a fixed ring at the end, the fixed ring is adaptively slidingly embedded in the pipe opening, the fixed ring is tightly attached to the pipe opening, and the fixed ring is uniformly provided with threads.

[0010] Preferably, the elastic clamping piece in the clamping assembly is fixedly arranged inside the fixed ring, the fixed ring is matched with the connecting pipe inside, and the end of the connecting pipe is tightly attached to the fixed ring.

[0011] Preferably, the end of the elastic clamping piece in the clamping assembly is fixedly provided with a clamping protrusion, the clamping protrusion is matched and clamped on the clamping groove, and the clamping groove is arranged on one side of the end of the connecting pipe.

[0012] Preferably, the clamping ring in the clamping assembly is matched and fixedly connected to the connecting pipe and the fixed ring, the inside of the clamping ring is provided with a second thread, and the second thread is matched and screw-connected with the thread.

[0013] Preferably, the end of the clamping ring in the clamping assembly is fixedly provided with a sealing ring, the sealing ring is tightly attached to the outside of the connecting pipe, and the end of the clamping ring is uniformly provided with a protrusion.

[0014] Compared with the prior art, the utility model discloses the following beneficial effects: through the optimization of the convenience of valve group installation connection, through the setting of the fastening assembly, the fixed ring of the fastening cylinder end is tightly attached to the pipe opening and can be slidably connected, and the thread design is convenient for firm installation, the elastic clamping piece and the clamping protrusion in the clamping assembly are matched with the clamping groove of the connecting pipe, and preliminary positioning and fixing can be realized quickly, the clamping ring of the clamping assembly is screw-connected with the fixed ring through the second thread, further strengthens the connection stability, and simultaneously, the sealing ring ensures the sealing effect, the protrusion is convenient to operate, so that in the scene such as engineering machinery field assembly, precision instrument hydraulic system building and the like which are high in installation convenience requirement, manpower, time cost can be effectively saved, human error is reduced, problems such as connection not tight and poor sealing are avoided, production is ensured to proceed smoothly, and equipment operation efficiency and reliability are improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic view of the utility model;

[0016] Figure 2 It is the fastening assembly and clamping assembly schematic view of the utility model;

[0017] Figure 3 It is the clamping assembly detail schematic view of the utility model;

[0018] Figure 4 It is the clamping assembly schematic view of the utility model.

[0019] In the drawing: valve seat 1, pipe opening 2, connecting pipe 3, fastening assembly 4, clamping assembly 5, clamping assembly 6, fastening cylinder 401, fixed ring 402, thread 403, elastic clamping piece 501, clamping protrusion 502, clamping groove 503, clamping ring 601, second thread 602, sealing ring 603, protrusion 604. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme of the utility model carry on clear, complete description, and the advantage is more clear and distinct, the following combining the drawings to the utility model embodiment carries on further detailed description, should understand, the specific embodiment described here is the utility model a part of embodiment, instead of all the embodiments, only use to explain the utility model embodiment, and does not use to limit the utility model embodiment, the ordinary skill in the art person who does not make the creative labor under the premise of all other embodiments obtained, belong to the utility model protection range, the following will be clear, complete description to the technical scheme in the utility model embodiment.

[0021] Embodiment one: please refer to Figures 1 to 2 , including valve seat 1, pipe 2, connecting pipe 3, fastening assembly 4, clamping assembly 5, clamping assembly 6;Valve seat 1 both sides end is provided with pipe 2, fastening assembly 4 is nested on pipe 2 with the adaptation;Clamping assembly 5 is fixedly clamped on connecting pipe 3, clamping assembly 6 is embedded on clamping assembly 5 with the adaptation.

[0022] The end of fastening cylinder 401 in fastening assembly 4 is provided with fixing ring 402, fixing ring 402 is embedded on pipe 2 with the adaptation of sliding, fixing ring 402 is closely attached to pipe 2, and fixing ring 402 is uniformly provided with screw thread 403.

[0023] When using, during the early preparation work of valve group installation, first, fastening assembly 4 is taken out, fixing ring 402 is aligned with the pipe 2 of valve seat 1, because the design of close adhesion and slidable embedding, gently push fixing ring 402 can make it along pipe 2 smoothly, until reaching the predetermined installation position, at this time, the screw thread 403 on the fixing ring 402 is clear, which provides the basis for subsequent connection operation.

[0024] Embodiment two: on the basis of embodiment one, please refer to Figures 2 to 3 Elastic clamping piece 501 in clamping assembly 5 is fixedly arranged in the inside of fixing ring 402, fixing ring 402 is embedded with connecting pipe 3 with the adaptation in the inside, and the end of connecting pipe 3 is closely attached to the inside of fixing ring 402.

[0025] The end of elastic clamping piece 501 in clamping assembly 5 is fixedly provided with clamping lug 502, clamping lug 502 is embedded on clamping groove 503 with the adaptation, and clamping groove 503 is arranged on one side end of connecting pipe 3.

[0026] In use, when the connecting pipe 3 is to be connected externally, the end of the connecting pipe 3 is slowly inserted into the inside of the fixing ring 402, at this time, the elastic clamping piece 501 in the inside of the fixing ring 402 will be elastically deformed due to being pressed, when the connecting pipe 3 is inserted to a certain depth, the clamping groove 503 at one side end of the connecting pipe 3 is just aligned with the clamping protrusion 502 at the end of the elastic clamping piece 501, the elastic clamping piece 501 rapidly rebounds, the clamping protrusion 502 is stably embedded in the clamping groove 503, realizing the rapid and preliminary positioning and fixing of the connecting pipe 3 and the fixing ring 402, in the scene of building a hydraulic system of precision instruments, the operator can easily complete this connection in a small space, effectively avoiding the installation difficulty caused by the limited operation space, and improving the installation accuracy.

[0027] Embodiment three: on the basis of embodiment two, please refer to Figures 3 to 4 The clamping assembly 6 is fixedly embedded on the connecting pipe 3 and the fixing ring 402, the clamping ring 601 in the clamping assembly 6 is provided with a second thread 602 in the inside, and the second thread 602 is threadedly connected with the thread 403.

[0028] The end of the clamping ring 601 in the clamping assembly 6 is fixedly provided with a sealing ring 603, the sealing ring 603 is tightly attached to the outside of the connecting pipe 3, and the end of the clamping ring 601 is uniformly provided with a protrusion 604.

[0029] In use, after the preliminary clamping of the connecting pipe 3 is completed, the clamping ring 601 of the clamping assembly 6 is picked up and aligned with the connecting pipe 3 and the fixing ring 402, the clamping ring 601 is threadedly connected with the thread 403 on the fixing ring 402 by rotating the clamping ring 601, the clamping ring 601 is gradually tightened, on the one hand, the connection stability of the connecting pipe 3 and the fixing ring 402 is further strengthened, preventing the connection from being loosened due to factors such as vibration during the operation of the hydraulic system; on the other hand, the sealing ring 603 at the end of the clamping ring 601 is tightly attached to the outside of the connecting pipe 3 during the tightening process, ensuring the sealing effect of the connection, eliminating the risk of hydraulic oil leakage, ensuring the stable and reliable work of the hydraulic system under the complex working conditions of the engineering machinery for a long time, and at the same time, the protrusions 604 uniformly arranged at the end of the clamping ring 601 increase the friction force during rotation, facilitating the operator to tighten by hand, and improving the operation convenience.

[0030] 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, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A bi-directional variable speed hydraulic valve group, characterized by: The utility model provides a valve, including valve seat (1), spout (2), connecting pipe (3), fastening assembly (4), clamping assembly (5), clamping assembly (6); The valve seat (1) both sides end is provided with spout (2), the fastening assembly (4) is nested on spout (2) in adaptation; The clamping assembly (5) is fixedly clamped on the connecting pipe (3), and the clamping assembly (6) is embedded on the clamping assembly (5) in adaptation.

2. A bi-directional variable speed hydraulic valve group according to claim 1, wherein: The fastening cylinder (401) in the fastening assembly (4) is provided with a fixed ring (402) at the end, the fixed ring (402) is embedded on the spout (2) in adaptation, the fixed ring (402) is closely attached to the spout (2), and the fixed ring (402) is uniformly provided with threads (403).

3. A bi-directional variable speed hydraulic valve group according to claim 1, wherein: The elastic clamping piece (501) in the clamping assembly (5) is fixedly arranged in the fixed ring (402), the fixed ring (402) is embedded with the connecting pipe (3) in adaptation, and the connecting pipe (3) is closely attached to the fixed ring (402).

4. A bi-directional variable speed hydraulic valve group according to claim 3, wherein: The elastic clamping piece (501) in the clamping assembly (5) is fixedly provided with a clamping lug (502) at the end, the clamping lug (502) is embedded on the clamping groove (503) in adaptation, and the clamping groove (503) is arranged at one side end of the connecting pipe (3).

5. The bi-directional variable speed hydraulic valve group of claim 1, wherein: The clamping ring (601) in the clamping assembly (6) is embedded on the connecting pipe (3) and the fixed ring (402) in adaptation, the clamping ring (601) is provided with a second thread (602) in the inside, and the second thread (602) is screw-connected with the threads (403) in adaptation.

6. A bi-directional variable speed hydraulic valve group according to claim 5, wherein: The clamping ring (601) in the clamping assembly (6) is fixedly provided with a sealing ring (603) at the end, the sealing ring (603) is closely attached to the outside of the connecting pipe (3), and the clamping ring (601) is uniformly provided with a lug (604) at the end.

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