CN214617950U - Auxiliary sealing ball valve - Google Patents
Auxiliary sealing ball valve Download PDFInfo
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- CN214617950U CN214617950U CN202120743274.5U CN202120743274U CN214617950U CN 214617950 U CN214617950 U CN 214617950U CN 202120743274 U CN202120743274 U CN 202120743274U CN 214617950 U CN214617950 U CN 214617950U
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Abstract
The utility model discloses an auxiliary sealing ball valve, which belongs to the valve field, and comprises a pressure regulating valve, wherein the valve seat is a piston type movable valve seat, a sealed cavity is separated between a valve body and the valve seat, a main pipe network or an external pressure source and the sealed cavity are communicated through an external pipeline, when the sealing surface is worn and sealed by increasing the sealing force, an external pipeline needle valve of the main pipe network is opened, the pressure P1 of the main pipe network enters the sealed cavity to push the valve seat to move and tightly attach with a ball body, when the pressure of the main pipe network is lower, the pressure source of the main pipe network is closed, the air pressure or hydraulic external pressure P2 is communicated, the pressure regulating valve can be automatically regulated to control the external pressure to promote sealing according to the required force, the sealing performance of the ball valve can be ensured, the design of a main pipe auxiliary sealing system is adopted, the external pipeline formed by combining a first needle valve, a second needle valve, a filter and a pressure gauge is communicated with the sealed cavity, forming a primary pipeline auxiliary sealing system.
Description
Technical Field
The utility model relates to a valve field, more specifically say, relate to supplementary sealed ball valve.
Background
Valves are mechanical devices for controlling the flow, direction, pressure, temperature, etc. of a flowing fluid medium, valves are basic components of piping systems, valve tubes are technically the same as pumps and are often discussed as a separate category, valves can be operated manually or by hand wheels, handles or pedals, and can be controlled to change the pressure, temperature and flow of a fluid medium, valves can be operated continuously or repeatedly to such changes, such as safety valves installed in hot water systems or steam boilers, more complex control systems employ automatic control valves as required by external inputs (i.e., adjusting the set point of the pipe that constantly changes), automatic control valves do not require manual operation to control the various requirements of the fluid medium based on their inputs and settings, valves are classified into cast iron valves, cast steel valves, stainless steel valves, chrome molybdenum vanadium steel valves, dual phase steel valves, plastic valves, non-standard valves, and the like.
Most of ball valve leakage conditions concentrate on the sealing abrasion between a ball body and a valve seat, which causes leakage due to insufficient sealing force, and in order to solve the problem of sealing surface abrasion, various technologies at home and abroad are used for solving the problem of abrasion resistance between a sealed seat and the ball body to prolong the service life of the ball valve, so that the cost is high, the process is complex, and the auxiliary sealing ball valve is provided for solving the problem of valve leakage caused by insufficient sealing force after the ball valve is used for a period of time.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the utility model aims to provide an auxiliary sealing type ball valve, the valve seat is a piston type movable valve seat, a sealed cavity is separated between the valve body and the valve seat, a main pipe network or an external pressure source and the sealed cavity are communicated through an external pipeline, when the sealing surface is worn and sealed by increasing the sealing force, an external pipeline needle valve of the main pipe network is opened, the pressure P1 of the main pipe network enters the sealed cavity to push the valve seat to move and tightly attach to the ball body, when the pressure of the main pipe network is lower, the pressure source of the main pipe network is closed, the air pressure or hydraulic external pressure P2 is communicated, the external pressure can be controlled by a self-adjusting pressure regulating valve to promote sealing according to the required force, the sealing performance of the ball valve can be ensured, the design of a main pipe auxiliary sealing system is adopted, the external pipeline formed by combining a first needle valve, a second needle valve, a filter and a pressure gauge is communicated with the sealed cavity, the external pipeline communication sealed cavity is formed by combining the first needle valve, the second needle valve, the pressure regulating valve, the filter and the pressure gauge.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
An auxiliary sealing ball valve comprises a pressure regulating valve, wherein a first needle valve is arranged at the lower end of the pressure regulating valve, a second needle valve is connected to one side of the lower end of the first needle valve, a filter is arranged at one end of the second needle valve, a pressure gauge is arranged on the other side of the lower end of the first needle valve, the filter is arranged on the outer circumferential surface of a valve body assembly, a valve seat is arranged on the outer circumferential surface of the valve body assembly, a first O-shaped ring is arranged in an inner cavity of the valve seat, a first spring is arranged in the inner cavity of the valve seat, a valve body is arranged on the periphery of the valve seat, a sealing cavity is formed between the valve body and the valve seat, a second O-shaped ring is arranged inside the sealing cavity, a ball body is arranged on one side of the valve seat, the valve seat is a piston type movable valve seat, a sealing cavity is separated between the valve body and the valve seat, and a main pipe network or an external pressure source and the sealing cavity are communicated through an external pipeline, when the sealing surface is worn and the sealing force needs to be increased for sealing, the external pipeline needle valve of the main pipe network is opened, the pressure P1 of the main pipe network enters the sealed cavity to push the valve seat to move to be tightly attached to the ball body, when the pressure of the main pipe network is lower, the pressure source of the main pipe network is closed, the air pressure or hydraulic external pressure P2 is switched on, according to the magnitude of demand force, the pressure regulating valve can be automatically regulated to control the external pressure to promote sealing, the sealing performance of the ball valve can be ensured, the design of a main pipeline auxiliary sealing system is adopted, an external pipeline formed by combining the first needle valve, the second needle valve, the filter and the pressure gauge is communicated with the sealed cavity to form a main pipeline auxiliary sealing system, the design of an external source auxiliary sealing system is adopted, an external pipeline formed by combining the first needle valve, the second needle valve, the pressure regulating valve, the filter and the pressure gauge is communicated with the sealed cavity to form an external source auxiliary sealing system;
the valve body assembly comprises a first valve pipe, a second valve pipe, a sealing ring, a sealing layer, fixing rings, bolts, nuts and a second spring, the second valve pipe is butted with the first valve pipe through the sealing ring, the fixing rings are arranged on the outer circumferential surfaces of the first valve pipe and the second valve pipe and connected through the bolts and the nuts, the second spring is arranged on the inner sides of the bolts and the nuts, and the sealing performance of pipeline connection in the valve body assembly is further improved.
Furthermore, an embedded groove is formed in one side of the first valve pipe, the sealing ring is matched with the embedded groove, the first valve pipe and the second valve pipe are conveniently butted, and the connection efficiency between the valve pipes is improved.
Furthermore, the sealing layer is a component made of rubber, the sealing ring is tightly attached to the sealing layer, and the sealing performance between pipelines is further improved through extrusion butt joint of the sealing layer.
Furthermore, an elastic telescopic structure is formed between the first spring of the valve seat and the valve body, the valve seat is in a piston type moving design, the first spring is embedded into the bottom of the valve seat, and the first spring assists in pushing the valve seat to be sealed with the ball body, so that the sealing performance of the ball valve is guaranteed.
Further, the second spring is a compression state, the second spring centre gripping is fixed through the spring in solid fixed ring's both sides, avoids bolt and nut to take place to glue glutinous phenomenon, convenient to detach because of the corrosion between with solid fixed ring.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) the valve seat is a piston type movable valve seat, a sealed cavity is separated between a valve body and the valve seat, a main pipe network or an external pressure source and the sealed cavity are communicated through an external pipeline, when a sealing surface is abraded and can be sealed by increasing sealing force, a main pipe network external pipeline needle valve is opened, main pipe network pressure P1 enters the sealed cavity to push the valve seat to move to be tightly attached to a ball body, when the main pipe network pressure is lower, the main pipe network pressure source is closed, air pressure or hydraulic external pressure P2 is communicated, a pressure regulating valve can be automatically regulated according to the magnitude of demand force to control the external pressure to promote sealing, the sealing performance of the ball valve can be guaranteed, a main pipeline auxiliary sealing system design is adopted, the external sealed cavity formed by combining a first needle valve, a second needle valve, a filter and a pressure gauge is communicated to form a main pipeline auxiliary sealing system, and the external auxiliary sealing system design is adopted, an external pipeline formed by combining the first needle valve, the second needle valve, the pressure regulating valve, the filter and the pressure gauge is communicated with the sealed cavity to form an external source auxiliary sealing system.
(2) The embedded groove has been seted up to one side of first valve pipe, and the sealing ring matches with the embedded groove, and the first valve pipe of being convenient for docks with the second valve pipe, improves the connection efficiency between the valve pipe.
(3) The sealing layer is a component made of rubber, the sealing ring is tightly attached to the sealing layer, and the sealing performance between pipelines is further improved through extrusion butt joint of the sealing layer.
(4) An elastic telescopic structure is formed between the first spring of the valve seat and the valve body, the valve seat is in a piston type moving design, the first spring is embedded into the bottom of the valve seat, the first spring assists in pushing the valve seat to be sealed with the ball body, and the sealing performance of the ball valve is guaranteed.
(5) The second spring is a compression state, and the second spring centre gripping is fixed through the spring in solid fixed ring's both sides, avoids bolt and nut to take place to glue glutinous phenomenon, convenient to detach because of the corrosion between with solid fixed ring.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 3 is the schematic view of the sectional structure of the valve body assembly of the present invention.
The reference numbers in the figures illustrate:
1 pressure regulating valve, 2 first needle valve, 3 second needle valve, 4 pressure gauge, 5 filter, 6 valve body assembly, 61 first valve pipe, 6101 embedded groove, 62 second valve pipe, 63 sealing ring, 64 sealing layer, 65 fixing ring, 66 bolt, 67 nut, 68 second spring, 7 first O-shaped ring, 8 first spring, 8 sealed cavity, 10 second O-shaped ring, 11 valve body, 12 sphere, 13 valve seat.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-2, an auxiliary sealing type ball valve includes a pressure regulating valve 1, a first needle valve 2 is disposed at a lower end of the pressure regulating valve 1, a second needle valve 3 is connected to one side of a lower end of the first needle valve 2, a filter 5 is disposed at one end of the second needle valve 3, a pressure gauge 4 is disposed at another side of a lower end of the first needle valve 2, the filter 5 is mounted on an outer circumferential surface of a valve body assembly 6, a valve seat 13 is disposed on an outer circumferential surface of the valve body assembly 6, a first O-ring 7 is disposed in an inner cavity of the valve seat 13, a first spring 8 is disposed in an inner cavity of the valve seat 13, a valve body 11 is disposed at an outer periphery of the valve seat 13, a sealing cavity 9 is formed between the valve body 11 and the valve seat 13, a second O-ring 10 is disposed inside the sealing cavity 9, a ball 12 is disposed at one side of the valve seat 13, the valve seat 13 is a piston type movable valve seat 13, the sealing cavity 9 is separated between the valve body and the valve seat, a main pipe network or an external connection with the sealing cavity 9 through an external pipeline, when the sealing surface is worn and can be sealed only by increasing the sealing force, the main pipe network external pipeline needle valve 3 is opened, so that the main pipe network pressure P1 enters the sealed cavity 9 to push the valve seat to move and tightly attach to the ball body 12, when the main pipe network pressure is lower, the main pipe network pressure source is closed, the air pressure or hydraulic external pressure P2 is connected, the pressure regulating valve 1 can be automatically regulated to control the external pressure to promote sealing according to the magnitude of demand force, the sealing performance of the ball valve can be ensured, the design of a main pipe auxiliary sealing system is adopted, the sealed cavity is communicated through an external pipeline formed by combining the first needle valve 2, the second needle valve 3, the pressure regulating valve 1, the filter 5 and the pressure gauge 4 to form the main pipe auxiliary sealing system, the external auxiliary sealing system is adopted, the external pipeline formed by combining the first needle valve 2, the second needle valve 3, the pressure regulating valve 1, the filter 5 and the pressure gauge 4 is communicated with the sealed cavity, forming an external source auxiliary sealing system.
Referring to fig. 2, an elastic expansion structure is formed between the first spring 8 of the valve seat 13 and the valve body 11, the valve seat 13 is designed to move in a piston manner, the first spring 8 is embedded in the bottom of the valve seat 13, and the first spring 8 assists in pushing the valve seat 13 to seal with the ball 12, so as to ensure the sealing performance of the ball valve.
Referring to fig. 3, the valve body assembly 6 includes a first valve tube 61, a second valve tube 62, a sealing ring 63, a sealing layer 64, a fixing ring 65, a bolt 66, a nut 67 and a second spring 68, the second valve tube 62 is butted with the first valve tube 61 through the sealing ring 63, the fixing ring 65 is disposed on the outer circumferential surfaces of the first valve tube 61 and the second valve tube 62, the fixing ring 65 is connected with the nut 67 through the bolt 66, the second spring 68 is disposed on the inner sides of the bolt 66 and the nut 67, further sealing performance of pipeline connection in the valve body assembly 6 is improved, an insertion groove 6101 is disposed on one side of the first valve tube 61, the sealing ring 63 is matched with the insertion groove 6101, the first valve tube 61 is butted with the second valve tube 62, connection efficiency between the valve tubes is improved, the sealing layer 64 is a member made of rubber material, the sealing ring 63 is tightly jointed with the sealing layer 64, and the sealing layer 64 is butted through extrusion of the sealing layer 64, further improve the leakproofness between the pipeline, second spring 68 is a compression state, and second spring 68 centre gripping is fixed through the spring in solid fixed ring 65's both sides, avoids bolt 66 and nut 67 to take place to glue glutinous phenomenon, convenient to detach because of the corrosion and gu between the fixed ring 65.
The valve seat 13 is a piston type movable valve seat 13, a closed cavity 9 is separated between the valve body and the valve seat, a main pipe network or an external pressure source is communicated with the closed cavity 9 through an external pipeline, when the sealing surface is abraded and can be sealed only by increasing the sealing force, the needle valve 3 of the external pipeline of the main pipe network is opened, the pressure P1 of the main pipe network enters the closed cavity 9 to push the valve seat to move to be tightly attached to the ball body 12, when the pressure of the main pipe network is lower, the pressure source of the main pipe network is closed, the pressure P2 of air pressure or hydraulic external source pressure is communicated, the pressure regulating valve 1 can be automatically regulated according to the magnitude of required force to control the external source pressure to promote sealing, the sealing performance of the ball valve can be guaranteed, the design of a main pipeline auxiliary sealing system is adopted, the external pipeline formed by combining the first needle valve 2, the second needle valve 3, the filter 5 and the pressure gauge 4 is communicated with the closed cavity, and the main pipeline auxiliary sealing system is designed by the external source auxiliary sealing system, an external pipeline formed by combining the first needle valve 2, the second needle valve 3, the pressure regulating valve 1, the filter 5 and the pressure gauge 4 is communicated with the sealed cavity to form an external source auxiliary sealing system.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (5)
1. Supplementary sealed ball valve, including pressure-regulating valve (1), its characterized in that: a first needle valve (2) is arranged at the lower end of the pressure regulating valve (1), a second needle valve (3) is connected to one side of the lower end of the first needle valve (2), a filter (5) is arranged at one end of the second needle valve (3), a pressure gauge (4) is arranged at the other side of the lower end of the first needle valve (2), the filter (5) is arranged on the outer circumferential surface of the valve body assembly (6), a valve seat (13) is arranged on the outer circumferential surface of the valve body assembly (6), a first O-shaped ring (7) is arranged in the inner cavity of the valve seat (13), a first spring (8) is arranged in the inner cavity of the valve seat (13), a valve body (11) is arranged on the periphery of the valve seat (13), a closed cavity (9) is formed between the valve body (11) and the valve seat (13), a second O-shaped ring (10) is arranged in the closed cavity (9), and a ball body (12) is arranged on one side of the valve seat (13);
valve body assembly (6) include first valve pipe (61), second valve pipe (62), sealing ring (63), sealing layer (64), solid fixed ring (65), bolt (66), nut (67) and second spring (68), second valve pipe (62) dock with first valve pipe (61) through sealing ring (63), the outer periphery of first valve pipe (61) and second valve pipe (62) sets up solid fixed ring (65), gu fixed ring (65) is connected through bolt (66) and nut (67), the inboard of bolt (66) and nut (67) sets up second spring (68).
2. An auxiliary seal-type ball valve as defined in claim 1, wherein: an embedded groove (6101) is formed in one side of the first valve pipe (61), and the sealing ring (63) is matched with the embedded groove (6101).
3. An auxiliary seal-type ball valve as defined in claim 1, wherein: the sealing layer (64) is a component made of rubber, and the sealing ring (63) is tightly attached to the sealing layer (64).
4. An auxiliary seal-type ball valve as defined in claim 1, wherein: the valve seat (13) and the valve body (11) form an elastic telescopic structure through the first spring (8).
5. An auxiliary seal-type ball valve as defined in claim 1, wherein: the second spring (68) is in a compressed state, and the second spring (68) is clamped on two sides of the fixing ring (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120743274.5U CN214617950U (en) | 2021-04-13 | 2021-04-13 | Auxiliary sealing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120743274.5U CN214617950U (en) | 2021-04-13 | 2021-04-13 | Auxiliary sealing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214617950U true CN214617950U (en) | 2021-11-05 |
Family
ID=78401510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120743274.5U Active CN214617950U (en) | 2021-04-13 | 2021-04-13 | Auxiliary sealing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214617950U (en) |
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2021
- 2021-04-13 CN CN202120743274.5U patent/CN214617950U/en active Active
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