Waterproof hammer mute check valve

Abstract

The utility model discloses a waterproof hammer mute check valve, and relates to the technical field of check valves. The check valve comprises a check valve assembly, the check valve assembly comprises a check valve body, a check adjusting pipe is arranged in the check valve body in a sliding mode, a plurality of check water inlets are formed in the circumferential side face of the check adjusting pipe, and two adjusting limiting assemblies are symmetrically and fixedly connected to the circumferential side face of the check valve body. The adjusting limiting assembly comprises a limiting supporting frame and a limiting adjusting ring, a first adjusting block and a second adjusting block are fixedly connected to the lower surface of the limiting supporting frame, and a water inlet pipe set and a water outlet pipe set are arranged at the two ends of the check valve body respectively. The positions of the water inlet pipe set and the water outlet pipe set are limited through vertical movement of the first adjusting block, the non-return adjusting pipe is driven to move horizontally through flowing of media, the media are repelled through the non-return water inlet, discharging and stopping of the media are adjusted according to the flowing of the media, and flexible installation of the water inlet pipe and the water outlet pipe is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the related technical field of check valve, in particular, relate to a waterproof hammer silence check valve. BACKGROUND

[0002] Check valve is also called as one-way valve, is a kind of automatic valve, its main function is to allow fluid to flow freely in the pipeline in one direction, prevent its reverse flow simultaneously, when fluid flows according to the set direction, valve flap is opened under the action of fluid pressure, allows fluid to pass through. Once fluid flows reversely, valve flap will be closed under the action of self-weight and fluid reverse pressure, thereby blocking the reverse flow of fluid.

[0003] When the medium in check valve flows, the sudden increase or decrease of flow rate in very short time can cause the extension of overpressure and negative pressure in pipeline, thereby generating huge noise and even causing the damage of system components. Therefore, the utility model provides a waterproof hammer silence check valve to solve the above technical problems. CONTENT OF UTILITY MODEL

[0004] The utility model discloses a waterproof hammer silence check valve, through the specific structural design of check valve assembly and adjusting limiting assembly, the problem in the above background technology is solved.

[0005] To solve the above technical problems, the utility model is realized through the following technical scheme: the utility model discloses a waterproof hammer silence check valve, including check valve assembly, the check valve assembly includes check valve body, the check valve body is internally slidably provided with check adjusting pipe, the check adjusting pipe is provided with a plurality of check water inlets on the circumferential surface, the check valve body is fixedly connected with two adjusting limiting assemblies on the circumferential surface symmetrically, the adjusting limiting assembly includes the limiting support frame that can move up and down and the limiting adjusting ring that is slidably arranged on the circumferential surface of check valve body, the one side of limiting adjusting ring is inclined inclined plane structure, the first adjusting block and the second adjusting block are fixedly connected respectively on the lower surface of limiting support frame through first support column and second support column, the first adjusting block and the second adjusting block are all trapezoidal structure, and the second adjusting block is slidably connected with limiting adjusting ring, the check valve body is respectively provided with water inlet pipe group and water outlet pipe group at both ends, and the water inlet pipe group and water outlet pipe group are clamped and connected with corresponding adjusting limiting assembly.

[0006] The utility model is further provided with check transmission channel in the check valve body, the check transmission channel is sequentially connected by water inlet transmission channel, adjusting transmission channel and water outlet transmission channel, the check support pipe is fixedly connected on the inner side wall of water outlet transmission channel, and the check adjusting pipe is slidably arranged on the circumferential surface of check support pipe.

[0007] The utility model further sets up, the inside wall of adjusting transmission channel one is inclined sliding surface structure, the one end of backstop adjusting pipe is inlaid with adjusting transmission channel inner wall, the side surface of backstop adjusting pipe is equipped with adjusting groove, the inner wall between adjusting groove and water outlet transmission channel inner wall is fixedly connected with backstop return spring, the side surface of backstop adjusting pipe is fixedly connected with first sealing ring, the inside wall of adjusting transmission channel is fixedly connected with the second sealing ring corresponding with first sealing ring.

[0008] The utility model further sets up, the adjusting limiting component still includes the hollow limiting ring of fixed connection in the backstop valve body circumference side surface, the side surface of hollow limiting ring is equipped with a plurality of limiting mouth, first support column slidingly penetrates hollow limiting ring, first adjusting block is located in the inside of hollow limiting ring, the fixed connection between limiting support frame and hollow limiting ring circumference side surface is limited return spring, the limiting return spring is set in the outside corresponding first support column, and the fixed connection between limiting adjusting ring and hollow limiting ring is adjusted return spring, the limiting return spring is set in the outside of backstop valve body.

[0009] The utility model further sets up, the water inlet pipe group includes water inlet pipe body, the side surface of water inlet pipe body is fixedly connected with the limiting disc corresponding with limiting mouth one by one through horizontal cross column, and the clamping cooperation between limiting disc and corresponding first adjusting block, and the water outlet pipe group and water inlet pipe group structure are similar.

[0010] The utility model has following beneficial effect: 1, the utility model sets up check valve assembly, and backstop adjusting pipe is horizontally moved by medium flow, and backstop return spring is compressed, when medium flow weakens, under the elastic recovery of backstop return spring, backstop adjusting pipe reversely horizontally moves, to this control medium flow direction and discharge, to this avoid the water hammer phenomenon caused when medium flow weakens.

[0011] 2, the utility model sets up adjusting limiting component, water inlet pipe group and water outlet pipe group, controls the movement of limiting disc, controls the up-down movement of first adjusting block, utilizes first adjusting block to limit the position of limiting disc, and then realizes the position limitation of water inlet pipe body, controls limiting adjusting ring horizontal movement, drives second adjusting block to go up, and first adjusting block is synchronous and goes up, and limiting disc loses the limit, and the disassembly replacement of water inlet pipe group and water outlet pipe group is convenient, to this realizes flexible installation, avoids the damage of water inlet pipe group and water outlet pipe group caused by long -term use and influences use. DRAWINGS

[0012] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings described in the following description are only some embodiments of the present application, and for the ordinary skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0013] Figure 1 It is a structural schematic view of a waterproof hammer mute check valve.

[0014] Figure 2 It is a structural schematic view of a check valve assembly in the present application.

[0015] Figure 3 It is a longitudinal structural sectional view of the check valve assembly in the present application.

[0016] Figure 4 It is a structural schematic view of a regulating and limiting assembly in the present application.

[0017] Figure 5 It is a longitudinal structural sectional view of the regulating and limiting assembly in the present application.

[0018] Figure 6 It is a structural schematic view of an inlet pipe group and an outlet pipe group in the present application.

[0019] In the drawings, the component list represented by each reference numeral is as follows:

[0020] 1-check valve assembly, 101-check valve body, 102-check regulating pipe, 103-check water inlet, 104-check transmission channel, 105-check support pipe, 106-check reset spring, 2-regulating and limiting assembly, 201-limiting support frame, 202-limiting regulating ring, 203-first regulating block, 204-second regulating block, 205-hollow limiting ring, 206-limiting port, 207-limiting reset spring, 208-regulating reset spring, 3-inlet pipe group, 301-inlet pipe body, 302-limiting disc, 4-outlet pipe group. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application, obviously, the described embodiments are only some embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the present application. Embodiment one

[0023] Please refer to Figures 1-6The utility model discloses a kind of waterproof hammer mute check valves, including check valve assembly 1, specifically, check valve assembly 1 includes back check valve body 101, back check valve body 101 inside slidingly arranged back check adjusting pipe 102, and back check adjusting pipe 102 peripheral side surface is equipped with several back check water inlet 103.

[0024] Further, two adjusting limiting assemblies 2 are symmetrically fixedly connected to the peripheral side surface of the back check valve body 101, the adjusting limiting assembly includes a limit support frame 201 that can move up and down and a limit adjusting ring 202 that is slidingly arranged on the peripheral side surface of the back check valve body 101, one side surface of the limit adjusting ring 202 is an inclined surface structure, the lower surface of the limit support frame 201 is fixedly connected with a first adjusting block 203 and a second adjusting block 204 through a first support column and a second support column respectively, the first adjusting block 203 and the second adjusting block 204 are both trapezoidal structures, the second adjusting block 204 is slidingly fitted between the limit adjusting ring 202, and the inclined surface of the second adjusting block 204 is opposite to the inclined surface of the limit adjusting ring 202.

[0025] Further, the water inlet pipe group 3 and the water outlet pipe group 4 are respectively arranged at both ends of the back check valve body 101, and the water inlet pipe group 3 and the water outlet pipe group 4 are clamped and matched with the corresponding adjusting limiting assembly 2.

[0026] The operation process of the embodiment is as follows: before use, the water inlet pipe group 3 and the water outlet pipe group 4 are respectively installed at both ends of the back check valve body 101, the first adjusting block 203 is controlled to move up and down, the position of the water inlet pipe group 3 and the water outlet pipe group 4 is limited, the medium flows into the back check valve body 101 through the water inlet pipe group 3, the medium generates a force on the back check adjusting pipe 102 during the flow process, the back check adjusting pipe 102 slides, the medium flows into the back check adjusting pipe 102 through the back check water inlet 103, and flows to the water outlet pipe group 4 through the back check adjusting pipe 102 for discharge; when the medium of the water inlet pipe group 3 stops flowing to the back check valve body 101, the back check adjusting pipe 102 slides reversely, the back check valve body 101 is kept airtight, and the medium stops entering the water outlet pipe group 4; when it is necessary to disassemble and replace the water inlet pipe group 3 and the water outlet pipe group 4, the limit adjusting ring 202 is controlled to move horizontally, under the cooperation of the inclined surface of the limit adjusting ring 202 and the inclined surface of the second adjusting block 204, the second adjusting block 204 is driven to move upward, the first adjusting block 203 moves upward synchronously under the connection of the limit support frame 201, the position limitation of the water inlet pipe group 3 and the water outlet pipe group 4 is released, the water inlet pipe group 3 and the water outlet pipe group 4 are pulled out to realize disassembly. Specific embodiment two

[0028] Please refer to Figures 1-6On the basis of the first embodiment, the check valve body 101 is internally provided with a check transmission channel 104, which is composed of a water inlet transmission channel, an adjusting transmission channel and a water outlet transmission channel in sequence, the diameter of the adjusting transmission channel is larger than that of the water inlet transmission channel and the water outlet transmission channel, the water outlet transmission channel is fixedly connected with a check support pipe 105 on the inner side wall, and the check adjusting pipe 102 is slidingly arranged on the circumferential side surface of the check support pipe 105.

[0029] Further, the inner side wall of the adjusting transmission channel is provided with an inclined sliding surface structure, one end of the check adjusting pipe 102 is in close contact with the inner wall of the adjusting transmission channel, the check adjusting pipe 102 is provided with an adjusting groove on one side surface, and the check return spring 106 is fixedly connected between the inner wall of the adjusting groove and the inner wall of the water outlet transmission channel; the first sealing ring is fixedly connected to the circumferential side surface of the check adjusting pipe 102, and the second sealing ring corresponding to the first sealing ring is fixedly connected to the inner side wall of the adjusting transmission channel, the first sealing ring and the second sealing ring are in close contact, the adjusting transmission channel is kept closed, and the medium cannot flow into the adjusting transmission channel.

[0030] Further, the adjusting limiting assembly 2 further comprises a hollow limiting ring 205 fixedly connected to the circumferential side surface of the check valve body 101, a plurality of limiting openings 206 are formed on one side surface of the hollow limiting ring 205, the first supporting column slidingly penetrates the hollow limiting ring 205, and the first adjusting block 203 is located inside the hollow limiting ring 205; the limiting reset spring 207 is fixedly connected between the limiting support frame 201 and the circumferential side surface of the hollow limiting ring 205, the limiting reset spring 207 is sleeved outside the corresponding first supporting column, and the adjusting reset spring 208 is fixedly connected between the limiting adjusting ring 202 and the hollow limiting ring 205, and the adjusting reset spring 208 is sleeved outside the check valve body 101.

[0031] Further, the water inlet pipe group 3 comprises a water inlet pipe body 301, a limiting disc 302 corresponding to the limiting opening 206 is fixedly connected to one side surface of the water inlet pipe body 301 through a horizontal column, and the limiting disc 302 is clamped and matched between the corresponding first adjusting block 203, and the water outlet pipe group 4 is similar in structure to the water inlet pipe group 3.

[0032] The operation process of the embodiment is as follows: before use, the water outlet pipe group 4 and the water inlet pipe group 3 are respectively installed at both ends of the check valve body 101, and the specific operation is as follows:

[0033] The control water outlet pipe group 4 and water inlet pipe group 3 move to the backstop valve body 101, the limiting disc 302 moves synchronously with the water inlet pipe body 301, when the limiting disc 302 enters the corresponding limiting port 206 and contacts the corresponding first adjusting block 203, the limiting disc 302 continues to move, pushes the inclined sliding surface of the first adjusting block 203, and the first adjusting block 203 moves upward gradually under the action of the inclined sliding surface of the first adjusting block 203, the limiting reset spring 207 is compressed, and the first adjusting block 203 moves downward and limits the position of the limiting disc 302 under the elastic recovery of the limiting reset spring 207 when the limiting disc 302 is separated from the first adjusting block 203, at this time, the water inlet pipe body 301 is attached to one side of the backstop valve body 101.

[0034] When the medium flows to the backstop valve body 101 through the water outlet pipe group 4, the medium flows to the backstop transmission channel 104, and the medium acts on the backstop adjusting pipe 102 in the flow process, so that the backstop adjusting pipe 102 slides horizontally along the side surface of the backstop support pipe 105, the inclined sliding surface end of the backstop adjusting pipe 102 gradually moves away from the inner wall of the adjusting transmission channel, the adjusting transmission channel is opened, the backstop reset spring 106 is compressed, and the end of the backstop adjusting pipe 102 close to the backstop water inlet 103 is located in the adjusting transmission channel. The medium flows from the water inlet transmission channel of the backstop transmission channel 104 to the adjusting transmission channel, and then flows into the backstop adjusting pipe 102 through the backstop water inlet 103 and then flows out through the water outlet pipe group 4; when the medium flow gradually weakens, the backstop adjusting pipe 102 gradually moves reversely under the elastic recovery of the backstop reset spring 106, and when the backstop adjusting pipe 102 is attached to the inner wall of the adjusting transmission channel, the adjusting transmission channel is kept closed, and the medium stops flowing to the adjusting transmission channel. Because the movement of the backstop adjusting pipe 102 changes with the flow of the medium and is adjusted by stretching and resetting of the backstop reset spring 106, the water hammer phenomenon caused by sudden stop of the medium is avoided, and the noise generated when the backstop adjusting pipe 102 contacts the adjusting transmission channel is avoided under the action of the first sealing ring and the second sealing ring.

[0035] When it is necessary to disassemble and replace the water inlet pipe group 3 and the water outlet pipe group 4, the limiting adjusting ring 202 is controlled to move horizontally, the second adjusting block 204 is driven to move upward under the action of the inclined surface of the limiting adjusting ring 202 and the inclined surface of the second adjusting block 204, the first adjusting block 203 moves upward synchronously under the connection of the limiting support frame 201, the position of the limiting disc 302 of the water inlet pipe group 3 and the water outlet pipe group 4 is limited by the first adjusting block 203, and the water inlet pipe group 3 and the water outlet pipe group 4 can be disassembled by being pulled out.

[0036] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] The preferred embodiments of the utility model disclosed above are only used for helping to explain the utility model. The preferred embodiments do not describe all the details exhaustively, and also do not limit the utility model to only the specific implementation manners described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited only by the claims and the entire scope and equivalents thereof.

Claims

1. A silent check valve for preventing water hammer, comprising a check valve assembly (1), characterized in that: The check valve assembly (1) includes a check valve body (101), and a check valve regulating pipe (102) is slidably disposed inside the check valve body (101). The check valve regulating pipe (102) has several check valve inlets (103) on its peripheral side. Two adjusting limit components (2) are symmetrically fixedly connected to the periphery of the check valve body (101). The adjusting limit components include a limit support frame (201) that can move up and down and a limit adjusting ring (202) that is slidably disposed on the periphery of the check valve body (101). One side of the limit adjusting ring (202) is an inclined slope structure. The lower surface of the limit support frame (201) is fixedly connected to a first adjusting block (203) and a second adjusting block (204) through a first supporting column and a second supporting column, respectively. The first adjusting block (203) and the second adjusting block (204) are both trapezoidal structures. The second adjusting block (204) slides with the limit adjusting ring (202). The check valve body (101) is provided with an inlet pipe assembly (3) and an outlet pipe assembly (4) at both ends, and the inlet pipe assembly (3) and the outlet pipe assembly (4) are respectively engaged with the corresponding adjustment limit assembly (2).

2. The water hammer-proof silent check valve according to claim 1, characterized in that, The check valve body (101) has a check transmission channel (104) inside. The check transmission channel (104) is composed of an inlet transmission channel, an adjustment transmission channel and an outlet transmission channel connected in sequence. A check support pipe (105) is fixedly connected to the inner side wall of the outlet transmission channel. The check adjustment pipe (102) is slidably disposed on the periphery of the check support pipe (105).

3. The water hammer-proof silent check valve according to claim 2, characterized in that, The inner wall of the regulating transmission channel is an inclined sliding surface structure. One end of the return regulating pipe (102) is in contact with the inner wall of the regulating transmission channel. An regulating groove is opened on one side of the return regulating pipe (102). A return reset spring (106) is fixedly connected between the inner wall of the regulating groove and the inner wall of the water outlet transmission channel.

4. A silent check valve for preventing water hammer according to claim 3, characterized in that, A first sealing ring is fixedly connected to the periphery of the check valve (102), and a second sealing ring corresponding to the first sealing ring is fixedly connected to the inner wall of the regulating transmission channel.

5. A silent check valve for preventing water hammer according to claim 4, characterized in that, The adjustment and limiting assembly (2) further includes a hollow limiting ring (205) fixedly connected to the periphery of the check valve body (101). The hollow limiting ring (205) has several limiting ports (206) on one side. The first support column slides through the hollow limiting ring (205). The first adjusting block (203) is located inside the hollow limiting ring (205).

6. A silent check valve for preventing water hammer according to claim 5, characterized in that, A limiting return spring (207) is fixedly connected between the limiting support frame (201) and the periphery of the hollow limiting ring (205). The limiting return spring (207) is sleeved on the outside of the corresponding first support column. An adjusting return spring (208) is fixedly connected between the limiting adjustment ring (202) and the hollow limiting ring (205). The adjusting return spring (208) is sleeved on the outside of the check valve body (101).

7. A silent check valve for preventing water hammer according to claim 6, characterized in that, The water inlet pipe assembly (3) includes a water inlet pipe body (301). One side of the water inlet pipe body (301) is fixedly connected to a limiting disc (302) corresponding to the limiting port (206) by a horizontal column. The limiting disc (302) is engaged with the corresponding first adjusting block (203). The water outlet pipe assembly (4) has a similar structure to the water inlet pipe assembly (3).

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