CN219511765U - Ball valve gas tightness detection device - Google Patents

Ball valve gas tightness detection device Download PDF

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Publication number
CN219511765U
CN219511765U CN202320186152.XU CN202320186152U CN219511765U CN 219511765 U CN219511765 U CN 219511765U CN 202320186152 U CN202320186152 U CN 202320186152U CN 219511765 U CN219511765 U CN 219511765U
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ball valve
valve main
main body
air
wall
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CN202320186152.XU
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Chinese (zh)
Inventor
许修
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Wusite Wuhan Industrial Equipment Co ltd
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Wusite Wuhan Industrial Equipment Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

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Abstract

The utility model discloses a ball valve air tightness detection device, which belongs to the technical field of ball valve detection, and comprises a ball valve main body and a base, and further comprises: the round table is blocked, and is used for blocking openings at two ends of the ball valve main body and limiting and fixing the openings; the surrounding edge air bag is used for sealing the contact position between the round table plug and the ball valve main body; the fixed seat and the operation seat are respectively used for connecting the round table to block and expanding or contracting the surrounding air bag; according to the scheme, the ball valve main body is limited and blocked through the round table blocking, so that the situation that the ball valve main body is deformed and damaged is greatly avoided, and the production quality of the ball valve main body is improved; the surrounding air bag is inflated through the operation seat, and the contact position between the surrounding air bag and the ball valve main body is blocked after the surrounding air bag is inflated, so that the sealing effect on the ball valve main body is improved, and the subsequent detection result on the ball valve main body is more accurate.

Description

Ball valve gas tightness detection device
Technical Field
The utility model relates to the technical field of ball valve detection, in particular to a ball valve air tightness detection device.
Background
Ball valves are widely applied to industries such as petroleum refining, long-distance pipeline, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like, and take a significant role in national economy. The ball valve is a valve with an opening and closing part driven by a valve rod and rotating around the axis of the ball valve. Since ball valves are mainly used in pipelines for cutting off, distributing and changing the flow direction of a medium, the air tightness of the ball valve is of vital importance. Therefore, the ball valve needs to be detected for air tightness before production and delivery.
At present, the ball valve is generally detected by driving clamping plates to clamp two ends of the ball valve by using an air cylinder, a hydraulic rod and the like, and then gas is introduced into the ball valve for detection, but the fixing mode of the ball valve can easily cause deformation and damage of the ball valve when the clamping force is overlarge on one hand, and the production quality of the ball valve is influenced; on the other hand, when the clamping force is too small, the ball valve is easy to move and drop during detection. When pressing from both sides tight ball valve both ends simultaneously, the contact surface probably has the slight gap and can't reach effectual sealedly to the ball valve, influences the ball valve testing result, and the result of use is not good.
Therefore, it is necessary to provide a ball valve air tightness detection device to solve the above technical problems.
Disclosure of Invention
The utility model aims to provide a ball valve air tightness detection device to solve the technical problems.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a ball valve gas tightness detection device, includes ball valve main part and base, still includes:
the round table is blocked, is provided with two round tables, is symmetrically arranged above the base, and is used for blocking openings at two ends of the ball valve main body and limiting and fixing the openings;
the surrounding edge air bag is arranged on the outer surface of the round table plug and is used for sealing the contact position between the round table plug and the ball valve main body;
the fixed seat and the operation seat are respectively provided with two fixed seats and are arranged at the end part of the round platform plug and are respectively used for connecting the round platform plug and expanding or contracting the surrounding edge air bag;
the detection mechanism is arranged above the base and is used for inflating the inside of the ball valve main body and detecting the air pressure of the ball valve main body.
Further, the detection mechanism comprises an air inflation box arranged at the upper end of the base, an air inflation hose is communicated with the upper end of the air inflation box, an air injection pipe is arranged in the ball valve main body and the fixing seat at the left side, the other end of the air inflation hose is communicated with the air injection pipe, and a pressure gauge is arranged on the outer wall of the fixing seat.
Further, the transmission cavity is formed in the operation seat, the connecting hose is installed on the outer wall of the operation seat, two ends of the connecting hose are respectively communicated with the transmission cavity and the inside of the surrounding air bag, and the transmission assembly is arranged in the transmission cavity and used for sending gas in the transmission cavity into the surrounding air bag to expand or drawing gas in the surrounding air bag back to contract the surrounding air bag.
Further, the transmission assembly comprises a piston plate which is connected to the inside of the transmission cavity in a sliding mode, a movable sleeve is fixedly connected to the side wall of the piston plate, a screw is connected to the inside of the movable sleeve in a threaded mode, and the screw is connected to the side wall of the operation seat in a rotating mode.
Further, the outer wall of the piston plate is fixedly connected with a guide rod, the other end of the guide rod movably penetrates through the outer wall of the operation seat, threads are arranged on the outer wall of the guide rod, and a stop block is connected at the threads.
Further, two movable grooves are formed in the upper wall of the base, the inner wall of each movable groove is slidably connected with a movable rod, the upper end of each movable rod is fixed with the outer wall of the corresponding fixed seat, a rotating rod is rotatably connected inside the base, two sections of threads with opposite rotation directions are formed in the outer wall of the rotating rod, nut blocks are symmetrically connected with the outer wall of the rotating rod in a threaded mode, and the upper ends of the nut blocks are fixed with the bottom of each movable rod.
Further, the upper end of the base is fixedly provided with a telescopic piece, and the telescopic end of the telescopic piece is fixedly provided with a supporting plate.
Compared with the prior art, the utility model has the advantages that:
1. this scheme blocks up through the round platform and carries out spacing jam to the ball valve main part, has avoided at present directly driving the condition at splint direct conflict clamp ball valve main part both ends through cylinder or hydraulic stem, greatly avoids ball valve main part to take place the condition of deformation and damage, has improved the production quality of ball valve main part, also avoids the ball valve main part to take place to remove or the condition that drops when detecting moreover.
2. According to the scheme, the ball valve main body with different opening sizes can be limited and detected through the round table blockage, the application range is wide, meanwhile, the ball valve main bodies with different lengths are limited and detected through adjusting the distance between the round table blockage on two sides, further, the air tightness detection operation on the ball valve main bodies with different specifications can be realized, the flexibility is high, the using effect is good, and the using requirements are met.
3. This scheme makes the surrounding edge gasbag take place to expand through the operation seat, can plug up with ball valve main part contact position after the surrounding edge gasbag inflation, can avoid contact position to have the space production, has greatly improved the sealed effect to the ball valve main part for follow-up accuracy more to the testing result of ball valve main part has improved ball valve main part production quality of detection.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of a three-dimensional structure of a round table plug according to the present utility model;
FIG. 3 is a schematic diagram of the cross-sectional structure of the round table plug, the fixed seat and the operation seat of the utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A;
FIG. 5 is an enlarged schematic view of the structure of FIG. 3B;
FIG. 6 is a schematic view of the inner cross-section of the base of the present utility model.
The reference numerals in the figures illustrate:
1. a ball valve body; 2. a base; 3. the round table is blocked; 4. a surrounding edge air bag; 5. a fixing seat; 6. an operation seat; 7. a detection mechanism; 71. an air charging box; 72. a ventilation hose; 73. an air injection pipe; 74. a pressure gauge; 8. a transmission cavity; 9. a connecting hose; 10. a transmission assembly; 101. a piston plate; 102. moving the sleeve; 103. a screw; 11. a guide rod; 12. a stop block; 13. a moving groove; 14. a moving rod; 15. a rotating rod; 16. a nut block; 17. a telescoping member; 18. a support plate; 19. a chute; 20. a slide block; 21. and a connecting rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
referring to fig. 1-3 and 6, a ball valve air tightness detection device includes a ball valve body 1 and a base 2, and further includes: the round table plugs 3 are symmetrically arranged above the base 2 and are used for plugging openings at two ends of the ball valve main body 1 and limiting and fixing the openings; the surrounding edge air bag 4 is arranged on the outer surface of the round platform plug 3 and is used for sealing the contact position of the round platform plug 3 and the ball valve main body 1; the fixed seat 5 and the operation seat 6 are respectively provided with two parts and are arranged at the end part of the round platform plug 3 and are respectively used for connecting the round platform plug 3 and expanding or contracting the surrounding edge air bag 4; and the detection mechanism 7 is arranged above the base 2 and is used for inflating the inside of the ball valve body 1 and detecting the air pressure of the ball valve body. Two movable grooves 13 are formed in the upper wall of the base 2, movable rods 14 are slidably connected to the inner walls of the movable grooves 13, the upper ends of the movable rods 14 are fixed to the outer wall of the fixed base 5, a rotary rod 15 is rotatably connected to the inside of the base 2, two sections of threads with opposite rotation directions are formed in the outer wall of the rotary rod 15, nut blocks 16 are symmetrically connected in a threaded mode, and the upper ends of the nut blocks 16 are fixed to the bottom of the movable rods 14.
When the ball valve is used, firstly, the end parts of the ball valve main body 1 can be placed at the middle positions of the two round platform plugs 3, then the rotating rod 15 is rocked to rotate, the rotating rod 15 rotates to drive the nut blocks 16 at two sides to move towards the directions close to or far away from each other, at the moment, the nut blocks 16 at two sides are close to each other to move, the nut blocks 16 can drive the moving rod 14 and the fixed seat 5 to move, the fixed seat 5 can drive the round platform plugs 3 to move, and finally the round platform plugs 3 at two sides can enter the ball valve main body 1 from the openings at two ends of the ball valve main body, and due to the round platform structure of the round platform plugs 3, the limit blocking effect on the ball valve is good, the condition that the two ends of the ball valve main body 1 are directly abutted and clamped by driving the clamping plates through the air cylinder or the hydraulic rod is avoided, the condition that the ball valve main body 1 is deformed and damaged is greatly avoided, and the production quality of the ball valve main body 1 is improved; and also avoid ball valve main part 1 to take place the condition that removes or drop when detecting, greatly improved detection quality and effect to ball valve main part 1. The round platform blocks up 3 from the distance to the state that fixing base 5 department outer wall radius is grow gradually to can carry out spacing detection to the ball valve main part 1 of different opening sizes, application scope is wide, carries out spacing detection to the ball valve main part 1 of different length through the distance size between the round platform of adjusting both sides blocks up 3 simultaneously, and then can realize carrying out gas tightness detection operation to the ball valve main part 1 of different specifications, the flexibility is strong, excellent in use effect, satisfies present user demand.
Then the operation seat 6 is operated to make surrounding air bag 4 expand, at this moment round platform jam 3 and surrounding air bag 4 also can expand in the surrounding air bag 4 of the position with ball valve main part 1 opening contact, surrounding air bag 4 can block up with ball valve main part 1 contact position after expanding, can avoid contact position to have the space to produce, greatly improved the sealed effect to ball valve main part 1 for follow-up detection result to ball valve main part 1 is more accurate, has improved ball valve main part 1 production quality of detection, and the practicality is high and excellent in use effect.
And finally, the gas can be filled into the ball valve main body 1 through the detection mechanism 7, and after enough gas is filled, the ventilation is stopped, so that the air tightness condition of the ball valve main body 1 can be judged.
In this embodiment, preferably, referring to fig. 1, the detecting mechanism 7 includes an air tank 71 mounted at the upper end of the base 2, an air hose 72 is connected to the upper end of the air tank 71, an air injection pipe 73 is mounted in the left ball valve body 1 and the fixed seat 5, the other end of the air hose 72 is connected to the air injection pipe 73, and a pressure gauge 74 is mounted on the outer wall of the fixed seat 5. The air is filled into the air hose 72 through the air charging box 71, then the air can enter the air charging pipe 73 inside the fixed seat 5 and the round table plug 3, finally the air can enter the inside of the ball valve main body 1, the ventilation is stopped after enough air is charged, and then the pressure value change of the pressure gauge 74 is observed, so that the air tightness condition of the ball valve main body 1 is judged.
In this embodiment, preferably, referring to fig. 3-5, a transmission cavity 8 is formed in the operation seat 6, a connection hose 9 is installed on the outer wall of the operation seat 6, two ends of the connection hose 9 are respectively communicated with the transmission cavity 8 and the inside of the surrounding air bag 4, a transmission assembly 10 is arranged in the transmission cavity 8 and is used for sending the air in the transmission cavity 8 into the surrounding air bag 4 to expand or withdrawing the air in the surrounding air bag 4 to contract, the transmission assembly 10 comprises a piston plate 101 slidably connected in the transmission cavity 8, a movable sleeve 102 is fixedly connected to the side wall of the piston plate 101, a screw 103 is connected to the inside thread of the movable sleeve 102, and the screw 103 is rotatably connected to the side wall of the operation seat 6. The screw 103 is rocked to rotate, the screw 103 drives the moving sleeve 102 in threaded connection with the screw 103 to move, the moving sleeve 102 moves towards the direction away from the screw 103, the moving sleeve 102 drives the piston plate 101 to move, the piston plate 101 extrudes gas in the operation seat 6, the gas in the operation seat 6 enters the surrounding air bag 4 through the connecting hose 9, the surrounding air bag 4 expands, the surrounding air bag 4 at the position where the round table is blocked 3 and the surrounding air bag 4 are in contact with the opening of the ball valve main body 1 expands, the contact position of the surrounding air bag 4 with the ball valve main body 1 is blocked after the surrounding air bag 4 expands, and gaps can be avoided at the contact position.
A sliding groove 19 is formed in the bottom wall of the transmission cavity 8, a sliding block 20 is connected to the inner wall of the sliding groove 19 in a sliding mode, and a connecting rod 21 is fixedly connected between the sliding block 20 and the moving sleeve 102. When the moving sleeve 102 moves, the sliding block 20 is driven by the connecting rod 21 to slide along the sliding groove 19, so that the moving stability of the moving sleeve 102 and the piston plate 101 can be improved, and the use effect is good.
In this embodiment, preferably, referring to fig. 1, a telescopic member 17 is fixedly mounted at the upper end of a base 2, and an electric telescopic rod is adopted as the telescopic member 17 in the utility model, a supporting plate 18 is fixedly mounted at the telescopic end of the telescopic member 17, so that the ball valve main body 1 can be placed on the supporting plate 18, and then the ball valve main body is driven to lift by the telescopic member 17, so that the ball valve main body can be moved to a position corresponding to the round table plugs 3 at two sides, thereby greatly facilitating the limit fixation and the subsequent detection of the ball valve main body 1, and meanwhile, the ball valve main body 1 can be supported to a certain extent during the detection by the supporting plate 18, so that the detection quality and effect of the ball valve main body 1 can be improved.
Embodiment two:
on the basis of the first embodiment, referring to fig. 3-4, the outer wall of the piston plate 101 is fixedly connected with a guide rod 11, the other end of the guide rod 11 movably penetrates through the outer wall of the operating seat 6, threads are arranged on the outer wall of the guide rod 11, and a stop block 12 is connected at the threads. When the piston plate 101 moves, the guide rod 11 is driven to move simultaneously, and when the piston plate 101 moves to the limit, namely, when the gas introduced into the surrounding air bag 4 reaches saturation, the guide rod 11 and the piston plate 101 are blocked by the stop block 12 against the operation seat 6, so that the piston plate 101 cannot move forward any more, excessive movement of the gas in the surrounding air bag 4 can be avoided, and the use effect is good. Meanwhile, the stop block 12 can be rotated to enable the stop block to move on the guide rod 11, adjustment can be performed when different ball valve main bodies 1 are detected, flexibility is high, and application range is wide.
Working principle: when the ball valve is used, firstly, the end part of the ball valve main body 1 can be placed at the middle position of the two round platform plugs 3, then the rotating rod 15 is rocked to rotate, the rotating rod 15 rotates to drive the nut blocks 16 on two sides to move towards the direction close to or far away from each other, at the moment, the nut blocks 16 on two sides are close to each other to move, the nut blocks 16 can drive the moving rod 14 and the fixing seat 5 to move, the fixing seat 5 can drive the round platform plugs 3 on two sides to move towards the direction close to the middle ball valve main body 1, finally the round platform plugs 3 on two sides can enter the ball valve main body 1 from the openings at two ends of the ball valve main body 1 due to the round platform structure of the round platform plugs 3, after the round platform plugs 3 move to a certain distance, the opening of the ball valve main body 1 can be plugged and limited and fixed, and the limiting and blocking effects on the ball valve are good. The ball valve main body 1 with different opening sizes can be limited and detected through the conical shape of the round table plug 3.
Then shake screw 103 again and make it rotate, screw 103 just can drive the removal sleeve 102 that is connected rather than the screw thread and remove for removal sleeve 102 moves towards the direction of keeping away from screw 103, removal sleeve 102 can drive piston plate 101 and remove, piston plate 101 can extrude the inside gas of operation seat 6, the gas in the operation seat 6 can enter into the inside of surrounding edge gasbag 4 through coupling hose 9 this moment, surrounding edge gasbag 4 can take place the inflation promptly, at the surrounding edge gasbag 4 of round platform shutoff 3 and surrounding edge gasbag 4 in the position of contacting with ball valve main part 1 opening also can take place the inflation, surrounding edge gasbag 4 after inflation just can be plugged up with ball valve main part 1 contact position, can avoid the contact position to have the space to produce, the sealed effect to ball valve main part 1 has been greatly improved. After detection, the moving sleeve 102 and the piston plate 101 can move towards the direction close to the screw 103 by reversing the screw 103, and at the moment, gas in the surrounding air bag 4 can enter the operation seat 6, and the surrounding air bag 4 is contracted only in an initial state, so that the operation is simple and convenient.
Finally, the air can be filled into the air hose 72 through the air charging box 71, then the air can enter the air charging pipe 73 inside the fixed seat 5 and the round table plug 3, finally the air can enter the inside of the ball valve main body 1, the ventilation is stopped after enough air is charged, and then the pressure value change of the pressure gauge 74 is observed, so that the air tightness condition of the ball valve main body 1 is judged.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme and the concept of the present utility model, and should be covered by the scope of the present utility model.

Claims (7)

1. The utility model provides a ball valve gas tightness detection device, includes ball valve main part (1) and base (2), its characterized in that: further comprises:
the round table plugs (3) are symmetrically arranged above the base (2) and are used for plugging openings at two ends of the ball valve main body (1) and limiting and fixing the openings;
the surrounding edge air bag (4) is arranged on the outer surface of the round platform plug (3) and is used for sealing the contact position of the round platform plug (3) and the ball valve main body (1);
the fixed seat (5) and the operation seat (6) are respectively provided with two fixed seats and are arranged at the end parts of the round platform plug (3) and are respectively used for connecting the round platform plug (3) and expanding or contracting the surrounding air bag (4);
the detection mechanism (7) is arranged above the base (2) and is used for inflating the inside of the ball valve main body (1) and detecting the air pressure of the ball valve main body.
2. The ball valve air tightness detection device according to claim 1, wherein: the detection mechanism (7) comprises an air charging box (71) arranged at the upper end of the base (2), an air charging hose (72) is communicated with the upper end of the air charging box (71), an air injection pipe (73) is arranged in the ball valve main body (1) and the fixing seat (5) on the left side, the other end of the air charging hose (72) is communicated with the air injection pipe (73), and a pressure gauge (74) is arranged on the outer wall of the fixing seat (5).
3. The ball valve air tightness detection device according to claim 1, wherein: the inside of operation seat (6) has seted up transmission chamber (8), coupling hose (9) are installed to the outer wall of operation seat (6), coupling hose (9) both ends are linked together with transmission chamber (8) and surrounding air bag (4) inside respectively, transmission chamber (8) inside is equipped with drive assembly (10), is used for with gas in transmission chamber (8) is sent into in surrounding air bag (4) and is made its inflation or will enclose and draw back the interior gas of side air bag (4) and make its shrink.
4. A ball valve air tightness detection device according to claim 3, wherein: the transmission assembly (10) comprises a piston plate (101) which is slidably connected to the inside of the transmission cavity (8), a movable sleeve (102) is fixedly connected to the side wall of the piston plate (101), a screw (103) is connected to the inside of the movable sleeve (102) in a threaded mode, and the screw (103) is rotatably connected to the side wall of the operation seat (6).
5. The ball valve air tightness detection device according to claim 4, wherein: the outer wall of the piston plate (101) is fixedly connected with a guide rod (11), the other end of the guide rod (11) movably penetrates through the outer wall of the operation seat (6), threads are arranged on the outer wall of the guide rod (11), and a stop block (12) is connected at the threads.
6. The ball valve air tightness detection device according to claim 2, wherein: two movable grooves (13) are formed in the upper wall of the base (2), movable rods (14) are slidably connected to the inner walls of the movable grooves (13), the upper ends of the movable rods (14) are fixed to the outer wall of the fixed base (5), rotating rods (15) are rotatably connected to the inside of the base (2), two sections of threads opposite in rotation direction are arranged on the outer wall of each rotating rod (15), nut blocks (16) are symmetrically screwed, and the upper ends of the nut blocks (16) are fixed to the bottoms of the movable rods (14).
7. The ball valve air tightness detection device according to claim 1, wherein: the upper end of the base (2) is fixedly provided with a telescopic piece (17), and the telescopic end of the telescopic piece (17) is fixedly provided with a supporting plate (18).
CN202320186152.XU 2023-02-06 2023-02-06 Ball valve gas tightness detection device Active CN219511765U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320186152.XU CN219511765U (en) 2023-02-06 2023-02-06 Ball valve gas tightness detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320186152.XU CN219511765U (en) 2023-02-06 2023-02-06 Ball valve gas tightness detection device

Publications (1)

Publication Number Publication Date
CN219511765U true CN219511765U (en) 2023-08-11

Family

ID=87523372

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320186152.XU Active CN219511765U (en) 2023-02-06 2023-02-06 Ball valve gas tightness detection device

Country Status (1)

Country Link
CN (1) CN219511765U (en)

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