Flow control type stop valve based on heat tracing station

Abstract

The utility model discloses a flow control type stop valve based on a heat tracing station, which comprises a shell assembly, a heat tracing station and a heat tracing station, the expansion sealing assembly comprises a containing groove, a rubber ring, an adapting pipe, an inflation pump and a control button. The middle of the valve body is movably connected with the valve plate, a containing groove is formed in the inner ring of the valve body, the middle of the containing groove is fixedly connected with the rubber ring, the interior of the rubber ring is of a hollow structure, the side portion of the rubber ring is connected with one end of the adapting pipe in a penetrating mode, the other end of the adapting pipe is fixedly connected with the inflator pump, and the control button is installed on the inflator pump. The rubber ring is installed in the valve body, the installed inflator pump can inflate air into the rubber ring through the adapting pipe, so that the rubber ring is expanded, the valve plate can be tightly attached to the rubber ring all the time when the valve plate is closed, and the phenomenon that the valve plate slides due to the fact that friction force is reduced is avoided; and therefore, the leakage phenomenon can be effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a flow - control stop valve based on a tracing station. Background Technique

[0002] A tracing station is a facility used to provide tracing function. Tracing is mainly to prevent the medium in pipelines or equipment from freezing, solidifying or having other adverse effects in a low - temperature environment. A flow - control stop valve is usually used in the pipelines of the tracing station. The flow - control stop valve is a stop valve with a special design. Its main feature is that it can precisely control the flow rate of the fluid. Its working principle is usually to adjust the flow rate by changing the flow - through area between the valve disc and the valve seat.

[0003] In the existing flow - control stop valves, the internal valve disc has reduced friction after long - term rotation with the valve body, which easily leads to sliding between the valve disc and the valve body, and then reduces the overall sealing performance of the stop valve, posing a risk of leakage. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a flow - control stop valve based on a tracing station to solve the problem raised in the above - mentioned background technique that in the existing flow - control stop valves, the internal valve disc has reduced friction after long - term rotation with the valve body, which easily leads to sliding between the valve disc and the valve body, and then reduces the overall sealing performance of the stop valve, posing a risk of leakage.

[0005] To solve the above - mentioned technical problems, the utility model is realized through the following technical solutions:

[0006] The utility model is a flow - control stop valve based on a tracing station, including:

[0007] A housing assembly, the housing assembly includes a flange, a valve body and a valve disc;

[0008] An expansion sealing assembly, the expansion sealing assembly includes a placement groove, a rubber ring, a connecting pipe, an air - inflating pump and a control button;

[0009] Flanges are fixedly installed on both sides of the valve body. A valve disc is movably connected to the middle of the valve body. A placement groove is opened in the inner circle of the valve body. A rubber ring is fixedly connected to the middle of the placement groove. The inside of the rubber ring is a hollow structure. One end of a connecting pipe penetrates through the side of the rubber ring, and the other end of the connecting pipe is fixedly connected to an air - inflating pump. A control button is installed on the air - inflating pump.

[0010] Further, the housing assembly further includes a first through - hole and a shaft rod;

[0011] A first through - hole is penetrated and opened in the middle of the top of the valve body. A shaft rod is movably inserted through the middle of the first through - hole. The bottom of the shaft rod is fixedly connected to the valve disc.

[0012] Furthermore, the housing assembly further includes a handle;

[0013] A handle is provided at the top of the flange, a handle is fixedly installed at the top of the shaft rod, and the handle is integrally made of rubber material.

[0014] Furthermore, the housing assembly further includes a receiving hole;

[0015] The flange is provided with receiving holes, and the total number of the receiving holes is four.

[0016] Furthermore, the expansion seal assembly further includes a second through hole, a third through hole and a placement plate;

[0017] A second through hole is penetrated and opened at the top end of the rubber ring, a third through hole is penetrated and opened at the right side of the valve body, and a placement plate is fixedly installed at the right side of the valve body.

[0018] Furthermore, an anti-opening component is further included;

[0019] The anti-opening component includes a hand-holding groove, a solid anti-slip plate, a receiving column, a circular groove, a spring, a buckle and a mounting hole;

[0020] Hand-holding grooves are opened on both sides of half of the handle, a solid anti-slip plate is installed on the other half of the handle, a receiving column is fixedly installed at the top of the flange, a circular groove is opened in the middle of the receiving column, one end of a spring is fixedly connected to the end face of the receiving column at the end of the circular groove, the other end of the spring is fixedly connected to the buckle, the top end of the buckle is arc-shaped, the buckle is in contact with the solid anti-slip plate, and mounting holes are opened on both sides of the middle end of the handle, and the mounting holes are movably connected to the buckle.

[0021] Compared with the prior art, the advantages of the present utility model are as follows:

[0022] In the present utility model, by installing a rubber ring inside the valve body, and the installed air pump can inflate the rubber ring through a connecting pipe, so that the rubber ring expands, so that when the valve plate is closed, it can always be in close contact with the rubber ring, avoiding the phenomenon of sliding due to the reduction of friction force, and further effectively avoiding the occurrence of leakage phenomenon.

[0023] Based on the above beneficial effects, the buckle installed at the top of the receiving column generates a resistance force when contacting the solid anti-slip plate under the action of the spring, thereby being able to ensure that a certain damping force is generated during the rotation of the handle. With the cooperation of the shaft rod, a damping force is generated during the rotation of the valve plate, further improving the accuracy of the adjustment during the rotation of the valve plate; at the same time, when the valve plate is in the closed state, the buckle can be inserted into the mounting hole under the cooperation of the spring, realizing all-round limit movement of the handle, and further being able to avoid the phenomenon of accidentally touching the handle and opening the valve plate in the closed state. Brief Description of the Drawings

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for describing the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0025] Figure 1 It is the overall schematic diagram of the present utility model;

[0026] Figure 2 It is the schematic diagram of the valve body of the present utility model;

[0027] Figure 3 It is the internal schematic diagram of the valve body of the present utility model;

[0028] Figure 4 It is the connection schematic diagram of the rubber ring of the present utility model;

[0029] Figure 5 It is the schematic diagram of the handle structure of the present utility model;

[0030] Figure 6 It is the connection schematic diagram of the spring and the buckle of the present utility model.

[0031] In the drawings, the list of components represented by each reference numeral is as follows:

[0032] 101, flange; 102, valve body; 103, valve disc; 104, first through hole; 105, shaft rod; 106, handle; 107, receiving hole;

[0033] 201, placement groove; 202, rubber ring; 203, receiving pipe; 204, air pump; 205, control button; 206, second through hole; 207, third through hole; 208, placement plate;

[0034] 301, hand-holding groove; 302, solid anti-slip plate; 303, receiving column; 304, circular groove; 305, spring; 306, buckle; 307, mounting hole. Detailed Embodiment

[0035] In order to make the above objects, features, and advantages of the present utility model more obvious and understandable, the following will give a detailed description of the specific embodiments of the present utility model in conjunction with the drawings.

[0036] In the following description, many specific details are set forth in order to provide a thorough understanding of the present utility model. However, the present utility model may also be implemented in other ways different from those described herein. Those skilled in the art may make similar extensions without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0037] To make the objectives, technical solutions and advantages of the present utility model clearer, the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

[0038] Please refer to Figure 1-6 As shown, this embodiment is a flow-control stop valve based on a tracing station, including:

[0039] A housing assembly, which includes a flange 101, a valve body 102, and a valve disc 103;

[0040] An expansion seal assembly, which includes a placement groove 201, a rubber ring 202, a connecting pipe 203, an air pump 204, and a control button 205;

[0041] Flanges 101 are fixedly installed on both sides of the valve body 102. A valve disc 103 is movably connected to the middle of the valve body 102. A placement groove 201 is opened in the inner circle of the valve body 102. A rubber ring 202 is fixedly connected to the middle of the placement groove 201. The inside of the rubber ring 202 is a hollow structure. One end of a connecting pipe 203 penetrates through the side of the rubber ring 202. The other end of the connecting pipe 203 is fixedly connected to an air pump 204. A control button 205 is installed on the air pump 204;

[0042] The opening of the placement groove 201 provides space for the placement of the rubber ring 202. The air pump 204 provides a guarantee for inflating the inside of the rubber ring 202. The control button 205 is used to control the switch of the air pump 204;

[0043] The housing assembly further includes a first through hole 104 and a shaft rod 105;

[0044] A first through hole 104 is penetrated and opened in the middle of the top of the valve body 102. A shaft rod 105 is movably inserted through the middle of the first through hole 104. The bottom of the shaft rod 105 is fixedly connected to the valve disc 103;

[0045] The setting of the first through hole 104 provides a guarantee for the installation of the shaft rod 105;

[0046] The housing assembly further includes a handle 106;

[0047] A handle 106 is provided on the top of the flange 101. The handle 106 is fixedly installed on the top of the shaft rod 105. The handle 106 is integrally made of rubber material;

[0048] The handle 106 is entirely made of rubber material, which can provide a comfortable grip for the user;

[0049] The housing assembly further includes a receiving hole 107;

[0050] The flange 101 is provided with receiving holes 107, and the total number of receiving holes 107 is four;

[0051] The setting of the number of receiving holes 107 enables the stable installation of the flange 101 with the outside world;

[0052] The expansion seal assembly further includes a second through hole 206, a third through hole 207 and a placement plate 208;

[0053] A second through hole 206 is formed through the top of the rubber ring 202, a third through hole 207 is formed through the right side of the valve body 102, and a placement plate 208 is fixedly installed on the right side of the valve body 102;

[0054] The setting of the second through hole 206 ensures the smooth insertion of the shaft rod 105, the setting of the third through hole 207 ensures the smooth insertion of the receiving pipe 203, and the setting of the placement plate 208 ensures the fixed placement of the air pump 204;

[0055] It further includes an anti-opening component;

[0056] The anti-opening component includes a hand-holding groove 301, a solid anti-slip plate 302, a receiving column 303, a circular groove 304, a spring 305, a buckle 306 and a mounting hole 307;

[0057] Hand-holding grooves 301 are formed on both sides of one half of the handle 106, a solid anti-slip plate 302 is installed on the other half of the handle 106, a receiving column 303 is fixedly installed on the top of the flange 101, a circular groove 304 is formed in the middle of the receiving column 303, one end of a spring 305 is fixedly connected to the end face of the receiving column 303 at the end of the circular groove 304, the other end of the spring 305 is fixedly connected to a buckle 306, the top of the buckle 306 is arc-shaped, the buckle 306 is in contact connection with the solid anti-slip plate 302, and mounting holes 307 are formed on both sides of the middle end of the handle 106, and the mounting holes 307 are movably connected to the buckle 306;

[0058] The setting of the hand-holding groove 301 facilitates the user to hold the handle 106 and thus rotate the valve piece 103. The solid anti-slip plate 302 ensures the generation of subsequent damping force. The formation of the circular groove 304 on the receiving column 303 ensures the connection of the spring 305 and the buckle 306. The setting of the mounting hole 307 ensures the insertion connection of the buckle 306;

[0059] Working principle: Pass the screw through the receiving hole 107, and then install the flange 101 on the external pipeline. The operator holds the hand-holding groove 301. At this time, the buckle 306 is inserted into the installation hole 307. Press the buckle 306, and the spring 305 is compressed under force. At this time, the spring 305 together with the buckle 306 moves in the circular groove 304. When the buckle 306 moves to the bottom of the installation hole 307, rotate the handle 106. At this time, the top of the buckle 306 contacts the solid anti-slip plate 302, and at the same time, the shaft rod 105 rotates accordingly, realizing the rotation of the valve plate 103, and then realizing the flow of the medium inside the valve body 102. Then rotate the shaft rod 105 so that the plane of the valve plate 103 is parallel to the plane of the flange 101. At this time, the buckle 306 is inserted into the installation hole 307 again under the cooperation of the spring 305, realizing the closing of the valve plate 103. Then press the air pump 204 to inflate the rubber ring 202 through the connecting pipe 203, making the rubber ring 202 expand;

[0060] This step can ensure that the valve plate is in close contact with the rubber ring at all times when the valve plate is closed, avoiding the phenomenon of sliding due to reduced friction, and thus effectively avoiding the occurrence of leakage; at the same time, it improves the accuracy of the adjustment when the valve plate rotates, and can avoid the phenomenon of accidentally touching the handle and opening the valve plate in the closed state.

[0061] In the description of the present invention, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "install", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0062] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A flow control stop valve based on a tracing station, characterized in that, Including: A housing assembly, the housing assembly including a flange (101), a valve body (102), and a valve disc (103); An expansion seal assembly, the expansion seal assembly including a placement groove (201), a rubber ring (202), a connecting pipe (203), an air pump (204), and a control button (205); The two sides of the valve body (102) are fixedly installed with flanges (101), the middle of the valve body (102) is movably connected to the valve disc (103), a placement groove (201) is opened in the inner circle of the valve body (102), the middle of the placement groove (201) is fixedly connected to the rubber ring (202), the inside of the rubber ring (202) is a hollow structure, one end of the connecting pipe (203) penetrates through the side of the rubber ring (202), the other end of the connecting pipe (203) is fixedly connected to the air pump (204), and the control button (205) is installed on the air pump (204).

2. The flow control stop valve based on a tracing station according to claim 1, wherein The housing assembly further includes a first through hole (104) and a shaft rod (105); A first through hole (104) is penetrated and opened in the middle of the top end of the valve body (102), the shaft rod (105) is movably inserted through the middle of the first through hole (104), and the bottom of the shaft rod (105) is fixedly connected to the valve disc (103).

3. The flow control stop valve based on a tracing station according to claim 1, characterized in that, The housing assembly further includes a handle (106); A handle (106) is provided on the top of the flange (101), the top of the shaft rod (105) is fixedly installed with a handle (106), and the handle (106) is integrally made of rubber material.

4. A flow control stop valve based on a tracing station according to claim 1, characterized in that, The housing assembly further includes a receiving hole (107); A receiving hole (107) is opened on the flange (101), and the number of the receiving holes (107) is four in total.

5. The flow control stop valve based on a tracing station according to claim 1, wherein The expansion seal assembly further includes a second through hole (206), a third through hole (207), and a placement plate (208); A second through hole (206) is penetrated and opened at the top end of the rubber ring (202), a third through hole (207) is penetrated and opened on the right side of the valve body (102), and a placement plate (208) is fixedly installed on the right side of the valve body (102).

6. The flow control type stop valve based on a tracing station according to claim 3, wherein, It further includes an anti-opening component; The anti-opening component includes a hand-holding groove (301), a solid anti-slip plate (302), a connecting column (303), a circular groove (304), a spring (305), a buckle (306), and a mounting hole (307); Hand-holding grooves (301) are opened on both sides of half of the handle (106), a solid anti-slip plate (302) is installed on the other half of the handle (106), a connecting column (303) is fixedly installed on the top of the flange (101), a circular groove (304) is opened in the middle of the connecting column (303), one end of a spring (305) is fixedly connected to the end face of the connecting column (303) at the end of the circular groove (304), the other end of the spring (305) is fixedly connected to the buckle (306), the top end of the buckle (306) is arc-shaped, the buckle (306) is in contact connection with the solid anti-slip plate (302), mounting holes (307) are opened on both sides of the middle end of the handle (106), and the mounting holes (307) are movably connected to the buckle (306).

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