Multifunctional rust-proof non-return anti-explosion valve for water pipe

Abstract

The utility model discloses a multifunctional rust-proof non-return anti-explosion valve for a water pipe, and relates to the technical field of non-return anti-explosion valves. The anti-backflow device comprises an anti-backflow mechanism and an anti-flow pipe, an adjusting mechanism is arranged on the left side of the anti-backflow mechanism, a water inlet pipe is fixedly connected to the right side of the anti-flow pipe, a threaded rod is in threaded connection with the interior of the anti-flow pipe, a rotary knob is fixedly connected to the top of the threaded rod, and the bottom of the threaded rod penetrates through the anti-flow pipe and extends into the anti-flow pipe. By arranging the anti-flow pipe, flowing water can flow into the flowing hole through the filtering cover, the water flow can be filtered while passing through the filtering cover, and when the water flow passes through the flowing hole, a blocking ball can be pushed downwards and a first spring is extruded, so that the water flow enters a sliding pipe through the flowing hole and then flows out through a through window; impurities in water are filtered through the filter cover, and the situation that the impurities are attached to the pipeline or the inner wall of the stainless steel inner container to cause blockage, water flow is reduced, and the subsequent use effect is affected is prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of non-return explosion-proof valves, in particular to a multifunctional water pipe rust-proof non-return explosion-proof valve. Background Art

[0002] Explosion-proof valves are valves used to control the flow of fluids in a pipeline system. Under certain circumstances, they can effectively prevent explosions or leaks in the pipeline system due to excessive pressure. They are usually used in industrial sites that need to handle flammable, explosive or toxic gases to ensure the safety of the working environment and the stable operation of the pipeline system.

[0003] The anti-backflow device of the existing explosion-proof valve is usually a simple liquid backflow prevention device. During the flow of liquid, the anti-backflow device cannot filter the debris in the liquid, which causes blockage inside the pipeline over a long period of time, resulting in less liquid flow and reduced work efficiency. For this reason, we provide a multifunctional water pipe rust-proof check explosion-proof valve. Utility Model Content

[0004] The utility model aims to provide a multifunctional water pipe rust-proof check and explosion-proof valve, which filters the debris in the water through the filter cover to prevent the debris from adhering to the pipe or the inner wall of the stainless steel tank to cause blockage, so that the water flow becomes low and affects the subsequent use effect, and solves the problem that the existing impurities in the liquid cannot be filtered, resulting in blockage inside the pipe during a long time, reducing the liquid flow and reducing the work efficiency.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a multifunctional water pipe rust-proof check and explosion-proof valve, comprising a backflow prevention mechanism and a flow prevention pipe, wherein an adjustment mechanism is arranged on the left side of the backflow prevention mechanism, a water inlet pipe is fixedly connected to the right side of the flow prevention pipe, a threaded rod is threadedly connected to the inside of the flow prevention pipe, a knob is fixedly connected to the top of the threaded rod, the bottom of the threaded rod penetrates the flow prevention pipe and extends to the inside, and a filter cover is fixedly connected to the bottom of the threaded rod;

[0007] An isolation block is fixedly connected to the inner wall of the anti-flow pipe, the top of the isolation block is in contact with the bottom of the filter cover, a flow hole is opened at the center of the isolation block, a sliding tube is fixedly connected to the bottom of the isolation block, and a blocking ball is slidably connected to the sliding tube. The debris in the water is filtered through the filter cover to prevent the debris from adhering to the pipe or the inner wall of the stainless steel liner to cause blockage, which reduces the water flow and affects the subsequent use effect.

[0008] Furthermore, a through window is opened inside the sliding tube, and there are four through windows in total. The four through windows are arranged in a circular array with the sliding tube as the center. A spring 1 is fixedly connected to the bottom of the blocking ball. When the pressure inside the regulating box becomes smaller, the push plate is pulled back by the rebound of the spring 1.

[0009] Furthermore, the bottom of the spring 1 is fixedly connected to the inner wall of the anti-flow tube, the outer surface of the spring 1 contacts the inner wall of the sliding tube, the bottom of the sliding tube is fixedly connected to the inner wall of the anti-flow tube, a connecting tube is fixedly connected to the left side of the anti-flow tube, the regulating mechanism includes a control valve fixedly connected to the left side of the connecting tube, a stainless steel inner liner is fixedly connected to the inner wall of the control valve, a flow groove 1 is opened on the right side of the stainless steel inner liner, and the anti-flow tube prevents liquid reflux caused by the stop of the regulating valve.

[0010] Furthermore, a connecting rod is slidably connected inside the control valve, an adjusting block is fixedly connected to the bottom of the connecting rod, a flow groove 2 is opened on the left side of the stainless steel inner tank, an adjusting box is fixedly connected to the top of the control valve, a water outlet pipe is fixedly connected to the left side of the control valve, and a pressure cabin is fixedly connected to the top of the water outlet pipe. The adjusting block increases the water flow upward, so that the adjusting block can adjust itself according to the pressure of the water outlet pipe, and manual operation is no longer required by the staff.

[0011] Furthermore, a baffle is rotatably connected inside the pressure chamber, a connecting block 1 is fixedly connected to the top of the baffle, a spring 3 is fixedly connected to the top of the connecting block 1, an end of the spring 3 away from the connecting block 1 is fixedly connected to the connecting block 2, the other end of the connecting block 2 is fixedly connected to the inner wall of the pressure chamber, a delivery pipe is fixedly connected to the top of the pressure chamber, an end of the delivery pipe away from the pressure chamber is fixedly connected to the top of the regulating box, and the pressure is delivered to the regulating box through the pressure chamber and the delivery pipe.

[0012] Furthermore, a push plate is slidably connected inside the regulating box, a spring 2 is fixedly connected to the top of the push plate, the top of the spring 2 is fixedly connected to the inner wall of the regulating box, the top of the connecting rod passes through the control valve and extends to the inside of the regulating box, the top of the connecting rod is fixedly connected to the bottom of the push plate, and the connecting rod is moved by the up and down movement of the push plate, thereby causing the regulating block to move.

[0013] The utility model has the following beneficial effects:

[0014] 1. The utility model sets an anti-flow pipe, connects the delivery pipe with the water inlet pipe, starts to inject water into the anti-flow pipe, and when the water flow in the anti-flow pipe reaches a certain level, the water will flow into the flow hole through the filter cover, and the water will be filtered while passing through the filter cover. When the water flows through the flow hole, the blocking ball will be pushed downward and the spring will be squeezed, so that the water flows into the sliding pipe through the flow hole, and then flows out through the window, and the debris in the water is filtered through the filter cover to prevent the debris from adhering to the pipe or the inner wall of the stainless steel tank to cause blockage, so that the water flow becomes low and affects the subsequent use effect.

[0015] 2. The utility model sets an adjusting block, and the air pressure pushes the baffle upward, driving the connecting block one to squeeze the spring three, so that the baffle is opened, and then the air pressure moves to the adjusting box through the delivery pipe, and then pushes the push plate downward, and stretches the spring two, and blocks the connecting port downward through the adjusting block, thereby reducing the size of the water flow in the connecting port and the water flow in the outlet pipe. After the air pressure in the outlet pipe is reduced, the spring two rebounds and pulls the push plate upward, so that the adjusting block follows the water flow upward, so that the adjusting block can adjust itself according to the pressure of the outlet pipe, and manual operation is no longer required by the staff.

[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a front sectional structural diagram of the regulating box of the utility model;

[0020] Figure 3 For this utility model Figure 2 A is a schematic diagram of the enlarged structure of the middle part;

[0021] Figure 4 This is a schematic diagram of the front cross-sectional structure of the anti-flow pipe of the utility model;

[0022] Figure 5 This is a front sectional structural schematic diagram of the control valve of the utility model.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1. Anti-backflow mechanism; 101. Anti-flow pipe; 102. Water inlet pipe; 103. Isolation block; 104. Threaded rod; 105. Knob; 106. Filter cover; 107. Through window; 108. Sliding pipe; 109. Spring one; 110. Blocking ball; 111. Flow hole; 112. Connecting pipe; 2. Adjustment mechanism; 201. Control valve; 202. Stainless steel liner; 203. Adjustment block; 204. Adjustment box; 205. Delivery pipe; 206. Water outlet pipe; 207. Flow trough one; 208. Flow trough two; 209. Connecting rod; 210. Push plate; 211. Spring two; 212. Pressure chamber; 213. Baffle; 214. Connecting block one; 215. Spring three; 216. Connecting block two. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-5 As shown, the utility model is a multifunctional water pipe anti-rust check and explosion-proof valve, comprising a backflow prevention mechanism 1 and a flow prevention pipe 101, an adjustment mechanism 2 is arranged on the left side of the backflow prevention mechanism 1, a water inlet pipe 102 is fixedly connected to the right side of the flow prevention pipe 101, a threaded rod 104 is threadedly connected inside the flow prevention pipe 101, a knob 105 is fixedly connected to the top of the threaded rod 104, the bottom of the threaded rod 104 penetrates the flow prevention pipe 101 and extends to the inside, and a filter cover 106 is fixedly connected to the bottom of the threaded rod 104;

[0027] The inner wall of the anti-flow pipe 101 is fixedly connected with an isolation block 103, the top of the isolation block 103 is in contact with the bottom of the filter cover 106, a flow hole 111 is opened at the center of the isolation block 103, a sliding pipe 108 is fixedly connected to the bottom of the isolation block 103, and a blocking ball 110 is slidably connected inside the sliding pipe 108. The delivery pipe is connected to the water inlet pipe 102, and water is started to be injected into the anti-flow pipe 101. When the water flow in the anti-flow pipe 101 reaches a certain level, the water will flow through the filter cover 106 to The water flows in the flow hole 111, and will be filtered while passing through the filter cover 106. When the water flows through the flow hole 111, the blocking ball 110 will be pushed downward and the spring 109 will be squeezed, so that the water flows through the flow hole 111 into the sliding tube 108, and then flows out through the through window 107, and the debris in the water is filtered through the filter cover 106 to prevent the debris from adhering to the pipe or the inner wall of the stainless steel liner 202 to cause blockage, so that the water flow becomes low and affects the subsequent use effect.

[0028] A through window 107 is provided inside the sliding tube 108 , and there are four through windows 107 in total. The four through windows 107 are arranged in a circular array with the sliding tube 108 as the center. A spring 109 is fixedly connected to the bottom of the blocking ball 110 .

[0029] The bottom of spring 109 is fixedly connected to the inner wall of anti-flow tube 101, the outer surface of spring 109 contacts the inner wall of sliding tube 108, the bottom of sliding tube 108 is fixedly connected to the inner wall of anti-flow tube 101, and the left side of anti-flow tube 101 is fixedly connected with connecting tube 112.

[0030] The regulating mechanism 2 includes a control valve 201 fixedly connected to the left side of the connecting pipe 112 , a stainless steel liner 202 is fixedly connected to the inner wall of the control valve 201 , and a flow groove 207 is opened on the right side of the stainless steel liner 202 .

[0031] The control valve 201 is slidably connected with a connecting rod 209, the bottom of the connecting rod 209 is fixedly connected with an adjusting block 203, the left side of the stainless steel inner tank 202 is provided with a flow slot 208, the top of the control valve 201 is fixedly connected with an adjusting box 204, the left side of the control valve 201 is fixedly connected with a water outlet pipe 206, the top of the water outlet pipe 206 is fixedly connected with a pressure chamber 212, the air pressure pushes the baffle 213 upward, drives the connecting block 1 214 to squeeze the spring 3 215, so that the baffle 213 is opened, and then the air pressure passes through the delivery pipe 205 moves to the regulating box 204, and then pushes the push plate 210 downward, and stretches the spring 211, and blocks the joint port downward through the regulating block 203, thereby reducing the size of the water flow in the joint port and reducing the water flow in the outlet pipe 206. After the air pressure in the outlet pipe 206 decreases, the spring 211 rebounds and pulls the push plate 210 upward, so that the regulating block 203 follows the increase in water flow upward, so that the regulating block 203 can adjust itself according to the pressure of the outlet pipe 206, and manual operation is no longer required.

[0032] A baffle 213 is rotatably connected inside the pressure chamber 212, a connecting block 214 is fixedly connected to the top of the baffle 213, a spring 3 215 is fixedly connected to the top of the connecting block 214, and a connecting block 2 216 is fixedly connected to the end of the spring 3 215 away from the connecting block 214.

[0033] The other end of the second connection block 216 is fixedly connected to the inner wall of the pressure chamber 212 , the top of the pressure chamber 212 is fixedly connected with a delivery pipe 205 , and one end of the delivery pipe 205 away from the pressure chamber 212 is fixedly connected to the top of the regulating box 204 .

[0034] A push plate 210 is slidably connected inside the regulating box 204, a spring 211 is fixedly connected to the top of the push plate 210, the top of the spring 211 is fixedly connected to the inner wall of the regulating box 204, the top of the connecting rod 209 passes through the control valve 201 and extends to the inside of the regulating box 204, and the top of the connecting rod 209 is fixedly connected to the bottom of the push plate 210.

[0035] A specific application of this embodiment is as follows: the staff installs the device to the designated position, and then connects the delivery pipe to the water inlet pipe 102, and starts to inject water into the anti-flow pipe 101. When the water flow in the anti-flow pipe 101 reaches a certain level, the flowing water will flow through the filter cover 106 to the flow hole 111. The water flow will be filtered by the filter cover 106 while passing through the filter cover 106, and the debris in the water will be filtered through the filter cover 106 to prevent the debris from adhering to the pipe or the inner wall of the stainless steel liner 202 to cause blockage, so that the water flow becomes lower. When the water flows through the flow hole 111, the blocking ball 110 will be pushed downward and the spring 109 will be squeezed, so that the water flows through the flow hole 111 into the sliding pipe 108, and then flows out through the through window 107, and then flows into the flow slot 1 207 through the connecting pipe 112, enters the stainless steel liner 202, and then enters the outlet pipe 206 through the flow slot 208. Flowing to the other side, during the process of water moving in the outlet pipe 206, when the pressure is too great, the air pressure pushes the baffle 213 upward, driving the connecting block 1 214 to squeeze the spring 3 215, so that the baffle 213 is opened, and then the air pressure moves to the regulating box 204 through the delivery pipe 205, and then pushes the push plate 210 downward, and stretches the spring 211, and the push plate 210 moves downward to drive the connecting rod 209 to move downward, and the connecting rod 209 moves downward to drive the regulating block 203 to move downward, and the regulating block 203 blocks the joint port downward, reducing the size of the water flow in the joint port and reducing the water flow in the outlet pipe 206. After the air pressure in the outlet pipe 206 is reduced, the spring 211 rebounds and pulls the push plate 210 upward, so that the regulating block 203 follows the upward increase in water flow, so that the regulating block 203 can adjust itself following the pressure of the outlet pipe 206, and no longer needs to be manually performed by the staff.

[0036] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation 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 to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A multifunctional water pipe anti-rust check and explosion-proof valve, comprising a backflow prevention mechanism (1) and a flow prevention pipe (101), wherein an adjustment mechanism (2) is arranged on the left side of the backflow prevention mechanism (1), and a water inlet pipe (102) is fixedly connected to the right side of the flow prevention pipe (101), characterized in that: The anti-flow tube (101) is internally threadedly connected to a threaded rod (104), the top of the threaded rod (104) is fixedly connected to a knob (105), the bottom of the threaded rod (104) passes through the anti-flow tube (101) and extends to the inside, and the bottom of the threaded rod (104) is fixedly connected to a filter cover (106); An isolation block (103) is fixedly connected to the inner wall of the flow prevention pipe (101), the top of the isolation block (103) is in contact with the bottom of the filter cover (106), a flow hole (111) is opened at the center of the isolation block (103), a sliding pipe (108) is fixedly connected to the bottom of the isolation block (103), and a blocking ball (110) is slidably connected inside the sliding pipe (108).

2. A multifunctional water pipe rust-proof check and explosion-proof valve according to claim 1, characterized in that: A through window (107) is provided inside the sliding tube (108), and there are four through windows (107) in total. The four through windows (107) are arranged in a circular array with the sliding tube (108) as the center. A spring 1 (109) is fixedly connected to the bottom of the blocking ball (110).

3. A multifunctional water pipe rust-proof check and explosion-proof valve according to claim 2, characterized in that: The bottom of the spring 1 (109) is fixedly connected to the inner wall of the anti-flow tube (101), the outer surface of the spring 1 (109) is in contact with the inner wall of the sliding tube (108), the bottom of the sliding tube (108) is fixedly connected to the inner wall of the anti-flow tube (101), and the left side of the anti-flow tube (101) is fixedly connected to a connecting tube (112).

4. The multifunctional water pipe rust-proof check and explosion-proof valve according to claim 1, characterized in that: The regulating mechanism (2) comprises a control valve (201) fixedly connected to the left side of the connecting pipe (112); a stainless steel inner liner (202) is fixedly connected to the inner wall of the control valve (201); and a flow groove (207) is provided on the right side of the stainless steel inner liner (202).

5. A multifunctional water pipe rust-proof check and explosion-proof valve according to claim 4, characterized in that: The control valve (201) is slidably connected to a connecting rod (209) inside, and a regulating block (203) is fixedly connected to the bottom of the connecting rod (209). A second flow slot (208) is provided on the left side of the stainless steel inner tank (202). A regulating box (204) is fixedly connected to the top of the control valve (201). A water outlet pipe (206) is fixedly connected to the left side of the control valve (201), and a pressure chamber (212) is fixedly connected to the top of the water outlet pipe (206).

6. The multifunctional water pipe rust-proof check and explosion-proof valve according to claim 5, characterized in that: The pressure chamber (212) is internally rotatably connected with a baffle (213), the top of the baffle (213) is fixedly connected with a connecting block 1 (214), the top of the connecting block 1 (214) is fixedly connected with a spring 3 (215), and the end of the spring 3 (215) away from the connecting block 1 (214) is fixedly connected with a connecting block 2 (216).

7. The multifunctional water pipe rust-proof check and explosion-proof valve according to claim 6, characterized in that: The other end of the second connection block (216) is fixedly connected to the inner wall of the pressure chamber (212), the top of the pressure chamber (212) is fixedly connected with a delivery pipe (205), and one end of the delivery pipe (205) away from the pressure chamber (212) is fixedly connected to the top of the regulating box (204).

8. The multifunctional water pipe rust-proof check and explosion-proof valve according to claim 7, characterized in that: A push plate (210) is slidably connected inside the regulating box (204), a spring 2 (211) is fixedly connected to the top of the push plate (210), the top of the spring 2 (211) is fixedly connected to the inner wall of the regulating box (204), the top of the connecting rod (209) passes through the control valve (201) and extends to the inside of the regulating box (204), and the top of the connecting rod (209) is fixedly connected to the bottom of the push plate (210).

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