Low-loss stacked one-way valve

Abstract

The utility model relates to the field of one-way valves, and discloses a low-loss stacked one-way valve which comprises a valve body, a transverse groove is formed in the valve body in the horizontal direction, a valve ball attached to the inner wall of the transverse groove is arranged in the transverse groove of the valve body, a valve rod is fixedly connected to one side of the valve ball, and a guide installation block is fixedly connected to the side, away from the valve ball, of the valve rod. The side, away from the valve rod, of the guide installation block is fixedly connected with a spring, the other end of the spring is fixedly connected with one end of an adjusting block, the adjusting block is slidably installed in a transverse groove of the valve body, and the end, away from the spring, of the adjusting block is rotationally connected with one end of a first adjusting screw rod. A side circulation groove is formed in the position, located on one side of the liquid outlet, of the transverse groove of the valve body, a recycling plug is arranged on one side of the side circulation groove, one end of the recycling plug is rotationally connected with a second adjusting screw rod, and a recycling channel is formed in the position, close to the bottom end of the recycling plug, of the valve body.

Description

TECHNICAL FIELD

[0001] The utility model relates to one -way valve field, concretely is a low -loss superposed check valve. BACKGROUND

[0002] The hydraulic check valve is a valve that can make the check valve flow in reverse direction by relying on the control fluid pressure. This valve plays an important role in the hydraulic support equipment of coal mine machinery. The difference between the hydraulic check valve and the ordinary check valve is that there is an additional control oil way. When the control oil way is not connected to the pressure oil, the hydraulic check valve works like an ordinary check valve. The pressure oil only flows from the oil inlet hole to the oil outlet hole and cannot flow in reverse direction.

[0003] The utility model discloses (announcement) number: CN218151744U discloses a kind of superposed check valves, is related to valve body technical field;A kind of superposed check valve, the left side of the valve body shell is equipped with mounting hole, the inside of the mounting hole is clamped with adjusting column, recess is equipped in the side surface middle portion of the adjusting column and surface is equipped with thread, the inside of the valve body shell is rotatably connected with rotating shaft, the side surface of the rotating shaft is fixedly connected with rotating screw ring, the thread of the rotating screw ring is engaged with adjusting column side portion, the inside of the mounting hole is clamped with two mounting holes, the inner side of two mounting holes is fixedly connected with compression spring, the adjusting column is tightly attached with left rotating shaft, by adopting rotating shaft and adjusting column cooperation, can adjust elastic force, rebound enough, make passage completely sealed, liquid can not backflow, when compression spring is completely damaged, can replace compression spring by adjusting column and rotating shaft cooperation, reduce economic loss.

[0004] The structure of the above-mentioned utility model blocks the passage with a valve ball connected by a spring, thereby avoiding liquid backflow. However, when the control end stops oil inlet, the valve ball blocks the passage under the elastic force of the spring, avoiding liquid backflow at the same time. However, there is still liquid in the passage on the side of the valve ball far from the oil outlet in the pipeline, which cannot be recycled, causing waste of resources. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a low-loss superposed check valve to solve the problems raised in the above background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a low loss superimposed check valve, including the valve body, the valve body is opened along the horizontal direction and has the cross groove, and the valve ball is arranged with the inner wall of cross groove and is pasted, one side of valve ball is fixedly connected with valve rod, and the valve rod is fixedly connected with the guide mounting block away from valve ball side, the guide mounting block is fixedly connected with spring away from valve rod side, and the other end of spring is fixedly connected with the one end of adjusting block, adjusting block is installed in the cross groove of valve body and slides, and the one end of adjusting block is rotatably connected with the one end of first adjusting screw away from spring, the top end and the bottom end of cross groove of valve body away from adjusting block one side are respectively opened and have the liquid inlet and the liquid outlet, and the cross groove of valve body is opened and has the side flow channel on the one side of liquid outlet, one side of side flow channel is provided with recovery plug, and the sliding groove that is slidably connected with valve body is opened along the horizontal direction in the valve body, one end of recovery plug is rotatably connected with second adjusting screw, and second adjusting screw passes through the center of sliding groove of valve body and is connected with the valve body screw thread and is extended to the outside of valve body, recovery channel is opened in the bottom end of valve body close to recovery plug.

[0007] Preferably, the valve body is provided with a positioning plate on one side, and the mounting plates are fixedly connected on both sides of the positioning plate.

[0008] Preferably, the mounting plates of each positioning plate are fixedly connected with the side walls of the valve body by a plurality of bolts.

[0009] Preferably, the first adjusting screw is screw threadedly connected with the center position of the positioning plate.

[0010] Preferably, a sleeve ring is fixedly sleeved on the outer side of the valve rod, and the outer side of the sleeve ring is in sliding contact with the inner wall of the cross groove of the valve body.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] The utility model discloses a first adjusting screw is made through the screw thread adjusting process with the positioning plate, drives adjusting block to be close to the guide mounting block to extrude spring, adjusts the resilience of spring to make valve ball can seal the liquid inlet, and simultaneously, the first adjusting screw is screw threadedly connected in the center position of the positioning plate, so that the first adjusting screw, adjusting block and guide mounting block and spring are conveniently disassembled and replaced and maintained through the mounting plates on both sides of the positioning plate, and the second adjusting screw is controlled to drive recovery plug to slide along the sliding groove of the valve body through the screw thread cooperation connection process of the valve body, so that the liquid remaining in the liquid inlet is flowed out and recovered through the recovery channel in the valve ball sealing process, thereby reducing resource waste and loss. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structural schematic diagram of the utility model.

[0014] In the figure: 1, valve body; 2, valve ball; 3, valve rod; 4, guide mounting block; 5, adjusting block; 6, first adjusting screw; 7, positioning plate; 8, liquid inlet; 9, liquid outlet; 10, side flow channel; 11, recovery plug; 12, second adjusting screw; 13, recovery channel. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in 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.

[0016] Embodiment one

[0017] Please refer to Figure 1 , a low-loss superimposed check valve in the figure, including valve body 1, the valve body 1 is opened along the horizontal direction transverse groove, and the valve body 1 transverse groove is provided with the valve ball 2 that is attached to the inner wall, the valve ball 2 one side is fixedly connected with valve rod 3, and the valve rod 3 is fixedly connected with guide mounting block 4 away from the valve ball 2 one side, the guide mounting block 4 is fixedly connected with spring away from the valve rod 3 one side, and the other end of the spring is fixedly connected with adjusting block 5 one end, adjusting block 5 is slidably installed in the transverse groove of valve body 1, and the other end of adjusting block 5 is rotatably connected with first adjusting screw 6 away from the spring, the transverse groove of valve body 1 is opened with liquid inlet 8 and liquid outlet 9 at the top and bottom away from adjusting block 5 one side, and the transverse groove of valve body 1 is provided with side flow channel 10 at the side of liquid outlet 9, recovery plug 11 is arranged at the side of side flow channel 10, and the sliding groove that is slidably connected with valve body 1 is opened in the horizontal direction in valve body 1, the second adjusting screw 12 is rotatably connected with one end of recovery plug 11, and the second adjusting screw 12 is connected with the valve body 1 through the sliding groove center and is screwedly connected with the valve body 1 and extends to the outside of the valve body 1, the recovery channel 13 is opened in the valve body 1 near the bottom of recovery plug 11.

[0018] In the embodiment, the positioning plate 7 is arranged on one side of the valve body 1, and the mounting plates are fixedly connected on both sides of the positioning plate 7, the mounting plates of each positioning plate 7 are fixedly connected with the side wall of the valve body 1 through a plurality of bolts, the first adjusting screw 6 is screwedly connected with the center position of the positioning plate 7, the sleeve ring is sleeved and fixed on the outer side of the valve rod 3, and the sleeve ring is in sliding contact with the inner wall of the transverse groove of the valve body 1.

[0019] Further, by adjusting the first adjusting screw 6 to drive the adjusting block 5 to approach the guide mounting block 4 through the threaded adjusting process with the positioning plate 7, the spring is compressed, the rebound force of the spring is adjusted, the valve ball 2 can seal the liquid inlet 8, the first adjusting screw 6 is threaded through and connected at the center position of the positioning plate 7, the first adjusting screw 6, the adjusting block 5, the guide mounting block 4 and the spring are conveniently disassembled for replacement and maintenance through the mounting plates on both sides of the positioning plate 7, the second adjusting screw 12 is controlled to drive the recovery plug 11 to slide along the sliding groove of the valve body 1 through the threaded connection process with the valve body 1, the liquid remaining in the liquid inlet 8 is recovered through the recovery channel 13 during the sealing process of the valve ball 2, and therefore, resource waste and loss are reduced.

[0020] The working principle of the utility model is: through adjusting the first adjusting screw 6 to drive the adjusting block 5 to approach the guide mounting block 4 through the threaded adjusting process with the positioning plate 7, the spring is compressed, the rebound force of the spring is adjusted, the valve ball 2 can seal the liquid inlet 8, the first adjusting screw 6 is threaded through and connected at the center position of the positioning plate 7, the first adjusting screw 6, the adjusting block 5, the guide mounting block 4 and the spring are conveniently disassembled for replacement and maintenance through the mounting plates on both sides of the positioning plate 7, the second adjusting screw 12 is controlled to drive the recovery plug 11 to slide along the sliding groove of the valve body 1 through the threaded connection process with the valve body 1, the liquid remaining in the liquid inlet 8 is recovered through the recovery channel 13 during the sealing process of the valve ball 2, and therefore, resource waste and loss are reduced.

[0021] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0022] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made hereto without departing from the spirit and scope of the application in its broadest form. The present application is thus intended to encompass all such changes, modifications, substitutions, and alterations as fall within the scope of the appended claims and their equivalents.

Claims

1. A low-loss superimposed check valve comprising a valve body (1), characterized in that: The valve body (1) is provided with a horizontal groove in the horizontal direction, and a valve ball (2) is arranged in the valve body (1) and is in close contact with the inner wall of the valve body (1), one side of the valve ball (2) is fixedly connected with a valve rod (3), and the side of the valve rod (3) away from the valve ball (2) is fixedly connected with a guide mounting block (4), the side of the guide mounting block (4) away from the valve rod (3) is fixedly connected with a spring, and the other end of the spring is fixedly connected with one end of an adjusting block (5), the adjusting block (5) is slidingly installed in the horizontal groove of the valve body (1), and the end of the adjusting block (5) away from the spring is rotatably connected with one end of a first adjusting screw (6), the horizontal groove of the valve body (1) is provided with a liquid inlet (8) and a liquid outlet (9) at the top and bottom of the side away from the adjusting block (5), respectively, and a side flow channel (10) is arranged in the horizontal groove of the valve body (1) on the side of the liquid outlet (9), a recovery plug (11) is arranged on one side of the side flow channel (10), and a sliding groove is arranged in the valve body (1) in the horizontal direction and slidingly cooperates with the valve body (1), one end of the recovery plug (11) is rotatably connected with a second adjusting screw (12), the second adjusting screw (12) passes through the center of the sliding groove of the valve body (1) and is threadedly connected with the valve body (1) and extends to the outside of the valve body (1), and a recovery channel (13) is arranged in the valve body (1) near the bottom of the recovery plug (11).

2. A low-loss stacked check valve according to claim 1, characterized in that: One side of the valve body (1) is provided with a positioning plate (7), and the positioning plate (7) is fixedly connected with mounting plates on both sides.

3. A low-loss stacked check valve according to claim 2, characterized in that: The mounting plates of each positioning plate (7) are fixedly connected with the side wall of the valve body (1) by a plurality of bolts.

4. A low-loss stacked check valve according to claim 3, characterized in that: The first adjusting screw (6) is threadedly connected with the center position of the positioning plate (7).

5. A low-loss stacked check valve according to claim 4, characterized in that: A sleeve ring is fixedly sleeved on the outer side of the valve rod (3), and the outer side of the sleeve ring is in sliding contact with the inner wall of the horizontal groove of the valve body (1).

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