Valve airtightness detection tool

Abstract

The utility model relates to the technical field of valve air tightness detection, in particular to a valve air tightness detection tool, which is convenient for clamping valves with different specifications through the arrangement of the equipment, improves the adjustability of the valves, and reduces the use limitation of the valves. Comprising a bottom plate, four fixing plates, four sliding plates, four first bolts, an adjusting device, a supporting device, a side mounting device and a sealing device, sliding holes are formed in the left front portion, the left rear portion, the right front portion and the right rear portion of the bottom plate in a communicating mode, the four fixing plates are slidably connected with the four sliding holes of the bottom plate respectively, and the four sliding plates are located at the top end of the bottom plate respectively; the four first bolts penetrate through the four sliding plate penetrating holes to be in threaded connection with the four fixing plate threaded grooves respectively, the adjusting device is installed on the right portion of the bottom plate, the supporting device is installed on the adjusting device, the side installing device is installed on the adjusting device, and the sealing device is installed on the left portion of the top end of the bottom plate.

Description

Technical Field

[0001] The utility model relates to the technical field of valve air tightness detection, in particular to a valve air tightness detection tool. Background Art

[0002] Valves are pipeline accessories used to open and close pipelines, control flow direction, and adjust and control the parameters (temperature, pressure and flow) of the conveying medium. According to their functions, they can be divided into shut-off valves, check valves, regulating valves, etc. Valves are control components in fluid conveying systems and have functions such as shut-off, regulation, diversion, prevention of backflow, pressure stabilization, diversion or overflow pressure relief.

[0003] After the valve is produced, its air tightness needs to be tested. In the existing method of testing the valve, the valve is fixed by a clamping device, and then the valve is tested using an air tightness testing device.

[0004] However, the existing clamping device is inconvenient to adjust, and thus is not suitable for valves of different specifications, and its use is relatively limited. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a valve air tightness detection tool which, by setting up this device, is convenient for clamping valves of different specifications, improves its adjustability, and thus reduces its usage limitations.

[0006] The utility model discloses a valve air tightness detection tool, comprising a base plate, four groups of fixed plates, four groups of slide plates, four groups of first bolts, an adjusting device, a supporting device, a side-mounting device and a sealing device. The left front, left rear, right front and right rear of the base plate are all connected with sliding holes, the four groups of fixed plates are respectively slidably connected with the four groups of sliding holes of the base plate, the four groups of slide plates are respectively located at the top end of the base plate, the four groups of slide plates are all connected with through holes, the four groups of fixed plates are all provided with threaded grooves, the four groups of first bolts respectively pass through the through holes of the four groups of slide plates and are threadedly connected with the threaded grooves of the four groups of fixed plates, the adjusting device is installed on the right part of the base plate, the supporting device is installed on the adjusting device, the side-mounting device is installed on the adjusting device, and the sealing device is installed on the left part of the top end of the base plate.

[0007] Preferably, the adjusting device includes a second bolt, a pad and a movable frame. A long hole is provided on the right part of the base plate, the movable frame slides in the long hole, the bottom end of the pad is fitted with the bottom end of the base plate, a through hole is provided on the pad, a threaded groove is provided at the bottom end of the movable frame, the second bolt passes through the through hole of the pad and is threadedly connected to the threaded groove of the movable frame, the supporting device is installed on the movable frame, and the side-mounted device is installed on the movable frame.

[0008] Preferably, the supporting device includes a first screw rod, a knob and a support plate, a thread groove is provided at the bottom of the movable frame, the first screw rod is threadedly connected to the thread groove of the movable frame, the knob is installed on the top of the first screw rod, and the support plate is installed on the top of the knob.

[0009] Preferably, the side-mounted device includes two groups of splints, two groups of screw rings, two groups of second screw rods and two groups of turning handles. The front and rear of the movable frame are connected and provided with through holes. The two groups of screw rings are respectively installed in the two groups of through holes of the movable frame. The two groups of second screw rods are respectively threadedly connected to the two groups of screw rings. The two groups of splints are respectively rotatably installed on the inner ends of the two groups of second screw rods, and the two groups of turning handles are respectively installed on the outer ends of the two groups of second screw rods.

[0010] Preferably, the sealing device includes a fixed platform, three groups of support plates, three groups of slide seats and three groups of third bolts. The fixed platform is installed on the left side of the top of the base plate. The three groups of slide seats are evenly installed on the top of the fixed platform. The three groups of support plates are respectively slidably connected to the three groups of slide seats. The three groups of slide seats are connected and provided with threaded holes. The three groups of third bolts are respectively threadedly connected to the three groups of slide seats. The three groups of third bolts tighten the three groups of support plates.

[0011] Preferably, four groups of rubber pads are further included, and the four groups of rubber pads are respectively installed on the bottom ends of the four groups of fixing plates.

[0012] Preferably, two groups of anti-skid pads are further included, and the two groups of anti-skid pads are respectively installed on the inner ends of the two groups of splints.

[0013] Compared with the prior art, the utility model has the following beneficial effects: four groups of slide plates drive four groups of fixed plates to slide on the bottom plate to the specified position, thereby installing the bottom plate on the equipment, and then rotating the four groups of first bolts, the four groups of first bolts respectively pass through the through holes of the four groups of slide plates and are threadedly connected with the thread grooves of the four groups of fixed plates, thereby fixing the four groups of fixed plates, and then adjusting the size of the sealing device according to the opening diameter of the valve, and then placing the sealing gasket on the sealing device, and then the valve is clamped and fixed by the sealing device, and the sealing gasket seals its opening, and then the adjusting device drives the supporting device to move, when the supporting device corresponds to the position of the right part of the valve, the right part of the valve is supported by the supporting device, and then the right part of the valve is clamped and fixed by the side-mounted device, and then the air-tightness detection device is respectively sealed and connected with the top and right opening of the valve, and then the air-tightness detection device blows air into the right opening of the valve, thereby detecting its air-tightness, and by setting this device, it is convenient to clamp valves of different specifications, improve its adjustability, and thus reduce its usage limitations. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the utility model;

[0015] Figure 2 yes Figure 1 A schematic diagram of the structure from the second perspective;

[0016] Figure 3 yes Figure 1 A schematic diagram of the enlarged structure of B;

[0017] Figure 4 yes Figure 1 A is a schematic diagram of the enlarged structure of the middle part;

[0018] Markings in the attached drawings: 1. bottom plate; 2. fixed plate; 3. slide plate; 4. first bolt; 5. second bolt; 6. pad; 7. long hole; 8. movable frame; 9. first screw; 10. knob; 11. support plate; 12. clamping plate; 13. screw ring; 14. second screw; 15. turning handle; 16. anti-slip pad; 17. fixed platform; 18. support plate; 19. slide seat; 20. third bolt; 21. rubber pad. DETAILED DESCRIPTION

[0019] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0020] like Figures 1 to 4 As shown, a valve air tightness detection tool of the utility model comprises a bottom plate 1, four groups of fixed plates 2, four groups of slide plates 3, four groups of first bolts 4, an adjusting device, a supporting device, a side-mounting device and a sealing device. The left front, left rear, right front and right rear of the bottom plate 1 are all connected with sliding holes, the four groups of fixed plates 2 are respectively slidably connected with the four groups of sliding holes of the bottom plate 1, the four groups of slide plates 3 are respectively located at the top of the bottom plate 1, the four groups of slide plates 3 are all connected with through holes, the four groups of fixed plates 2 are all provided with thread grooves, the four groups of first bolts 4 respectively pass through the through holes of the four groups of slide plates 3 and are threadedly connected with the thread grooves of the four groups of fixed plates 2, the adjusting device is installed on the right part of the bottom plate 1, the supporting device is installed on the adjusting device, the side-mounting device is installed on the adjusting device, and the sealing device is installed on the left part of the top of the bottom plate 1;

[0021] The four groups of slide plates 3 drive the four groups of fixed plates 2 to slide to the specified positions on the bottom plate 1, so as to install the bottom plate 1 on the equipment, and then the four groups of first bolts 4 are rotated, and the four groups of first bolts 4 are respectively passed through the through holes of the four groups of slide plates 3 and threadedly connected with the thread grooves of the four groups of fixed plates 2, so as to fix the four groups of fixed plates 2, and then the size of the sealing device is adjusted according to the opening diameter of the valve, and then the sealing gasket is placed on the sealing device, and then the valve is clamped and fixed by the sealing device, and the sealing gasket seals its opening, and then the adjusting device drives the supporting device to move, when the supporting device corresponds to the position of the right part of the valve, the right part of the valve is supported by the supporting device, and then the right part of the valve is clamped and fixed by the side-mounted device, and then the air-tightness detection device is respectively sealed and connected with the top and right opening of the valve, and then the air-tightness detection device blows air into the right opening of the valve, so as to detect its air-tightness, and by setting this device, it is convenient to clamp valves of different specifications, improve its adjustability, and thus reduce its usage limitations.

[0022] As a preferred embodiment of the above, the adjusting device includes a second bolt 5, a pad 6 and a moving frame 8. The right part of the bottom plate 1 is connected with a long hole 7, and the moving frame 8 slides in the long hole 7. The bottom end of the pad 6 is in contact with the bottom end of the bottom plate 1. The pad 6 is connected with a through hole, and the bottom end of the moving frame 8 is provided with a thread groove. The second bolt 5 passes through the through hole of the pad 6 and is threadedly connected with the thread groove of the moving frame 8. The supporting device is installed on the moving frame 8, and the side mounting device is installed on the moving frame 8.

[0023] By setting the second bolt 5, the backing plate 6, the long hole 7 and the movable frame 8, the movable frame 8 is slid on the long hole 7 to a specified position, and then the second bolt 5 is rotated, and the second bolt 5 is threadedly connected with the movable frame 8, so that the movable frame 8 is fixed, and the position of the movable frame 8 is adjusted according to the valve specifications.

[0024] As a preferred embodiment of the above, the supporting device includes a first screw rod 9, a knob 10 and a support plate 11. A thread groove is provided at the bottom of the mobile frame 8. The first screw rod 9 is threadedly connected to the thread groove of the mobile frame 8. The knob 10 is installed on the top of the first screw rod 9, and the support plate 11 is installed on the top of the knob 10.

[0025] By setting the first screw rod 9, the knob 10 and the support plate 11, the first screw rod 9 is driven to rotate by the knob 10, and the first screw rod 9 is threadedly connected to the movable frame 8. The first screw rod 9 drives the support plate 11 to move through the knob 10, so that the support plate 11 supports the right part of the valve, thereby playing a role in supporting the right part of the valve.

[0026] As a preferred embodiment of the above, the side-mounted device includes two groups of clamping plates 12, two groups of screw rings 13, two groups of second screw rods 14 and two groups of turning handles 15. The front and rear parts of the mobile frame 8 are connected and provided with through holes. The two groups of screw rings 13 are respectively installed in the two groups of through holes of the mobile frame 8. The two groups of second screw rods 14 are respectively threadedly connected with the two groups of screw rings 13. The two groups of clamping plates 12 are respectively rotatably installed on the inner ends of the two groups of second screw rods 14. The two groups of turning handles 15 are respectively installed on the outer ends of the two groups of second screw rods 14.

[0027] By setting the clamping plate 12, the screw ring 13, the second screw rod 14 and the turning handle 15, the two sets of turning handles 15 drive the two sets of second screw rods 14 to rotate, and the two sets of second screw rods 14 are threadedly connected with the two sets of screw rings 13. The two sets of second screw rods 14 drive the two sets of clamping plates 12 to move inward, and the two sets of clamping plates 12 clamp and fix the right part of the valve, thereby playing the role of clamping and fixing the right part of the valve.

[0028] As a preferred embodiment of the above, the sealing device includes a fixed platform 17, three groups of support plates 18, three groups of slides 19 and three groups of third bolts 20. The fixed platform 17 is installed on the left side of the top of the bottom plate 1, and the three groups of slides 19 are evenly installed on the top of the fixed platform 17. The three groups of support plates 18 are respectively slidably connected with the three groups of slides 19. The three groups of slides 19 are connected and provided with threaded holes. The three groups of third bolts 20 are respectively threadedly connected with the three groups of slides 19, and the three groups of third bolts 20 are tightened against the three groups of support plates 18.

[0029] By setting a fixed platform 17, a support plate 18, a slide seat 19 and a third bolt 20, the length of the three groups of support plates 18 is adjusted according to the diameter of the valve opening, so that the three groups of support plates 18 can slide in the three groups of slide seats 19. When the three groups of support plates 18 are extended to a specified length, the three groups of third bolts 20 are rotated, and the three groups of third bolts 20 are threadedly connected with the three groups of slide seats 19. The three groups of third bolts 20 tighten the three groups of support plates 18, and then the sealing gasket is placed on the top of the three groups of support plates 18. After that, the bottom opening of the valve is opened and fixed by the three groups of support plates 18, and the sealing gasket seals the bottom opening of the valve, which not only fixes the valve, but also seals the bottom opening of the valve.

[0030] As a preferred embodiment of the above embodiment, four groups of rubber pads 21 are also included, and the four groups of rubber pads 21 are respectively installed at the bottom ends of the four groups of fixing plates 2;

[0031] By providing the rubber pad 21 , the fixing plate 2 can be fixed on the device more firmly.

[0032] As a preferred embodiment of the above, two groups of anti-skid pads 16 are also included, and the two groups of anti-skid pads 16 are respectively installed at the inner ends of the two groups of clamping plates 12;

[0033] By providing the anti-skid pad 16 , the friction between the clamping plate 12 and the valve can be increased, thereby improving the fixing effect of the clamping plate 12 on the valve.

[0034] The utility model provides a valve air tightness detection tool. When working, firstly, four groups of slide plates 3 drive four groups of fixing plates 2 to slide to specified positions on the bottom plate 1, so that the bottom plate 1 is installed on the equipment, and then four groups of first bolts 4 are rotated, and the four groups of first bolts 4 are respectively passed through the through holes of the four groups of slide plates 3 and threadedly connected with the thread grooves of the four groups of fixing plates 2, so as to fix the four groups of fixing plates 2, and then the length of the three groups of support plates 18 is adjusted according to the diameter of the valve opening, so that the three groups of support plates 18 slide in the three groups of slide seats 19, and when the three groups of support plates 18 are extended to the specified length, the three groups of third bolts 20 are rotated, and the three groups of third bolts 20 are threadedly connected with the three groups of slide seats 19, and the three groups of third bolts 20 are tightened against the three groups of support plates 18, and then the sealing gasket is placed on the top of the three groups of support plates 18, and then the bottom opening of the valve is opened and fixed through the three groups of support plates 18, and the sealing gasket is pressed against the bottom of the valve The opening is sealed, and then the movable frame 8 is slid to the specified position on the long hole 7, and then the second bolt 5 is rotated, and the second bolt 5 is threadedly connected to the movable frame 8, so as to fix the movable frame 8, and then the first screw rod 9 is driven to rotate by the knob 10, and the first screw rod 9 is threadedly connected to the movable frame 8, and the first screw rod 9 drives the support plate 11 to move through the knob 10, so that the support plate 11 supports the right part of the valve, and then the two groups of second screw rods 14 are driven to rotate by two groups of turning handles 15, and the two groups of second screw rods 14 are threadedly connected to the two groups of screw rings 13, and the two groups of second screw rods 14 drive the two groups of clamping plates 12 to move inward, and the two groups of clamping plates 12 clamp and fix the right part of the valve, and then the air tightness detection device is respectively sealed and connected to the top and right opening of the valve, and then the air tightness detection device blows air into the right opening of the valve to detect its air tightness.

[0035] The utility model provides a valve air tightness detection tool, and its installation method, connection method or setting method are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented.

[0036] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A valve air tightness detection tool, characterized in that: The invention comprises a bottom plate (1), four groups of fixing plates (2), four groups of sliding plates (3), four groups of first bolts (4), an adjusting device, a supporting device, a side-mounting device and a sealing device. The left front part, the left rear part, the right front part and the right rear part of the bottom plate (1) are all connected with sliding holes. The four groups of fixing plates (2) are respectively slidably connected with the four groups of sliding holes of the bottom plate (1). The four groups of sliding plates (3) are respectively located at the top end of the bottom plate (1). The four groups of sliding plates (3) are all connected with through holes. The four groups of fixing plates (2) are all provided with thread grooves. The four groups of first bolts (4) respectively pass through the through holes of the four groups of sliding plates (3) and are threadedly connected with the thread grooves of the four groups of fixing plates (2). The adjusting device is installed on the right part of the bottom plate (1), the supporting device is installed on the adjusting device, the side-mounting device is installed on the adjusting device, and the sealing device is installed on the left part of the top end of the bottom plate (1).

2. A valve air tightness detection tool as claimed in claim 1, characterized in that: The adjusting device comprises a second bolt (5), a backing plate (6) and a movable frame (8); a long hole (7) is connected to the right of the bottom plate (1); the movable frame (8) slides in the long hole (7); the bottom end of the backing plate (6) is in contact with the bottom end of the bottom plate (1); a through hole is connected to the backing plate (6); a thread groove is provided at the bottom end of the movable frame (8); the second bolt (5) passes through the through hole of the backing plate (6) and is threadedly connected to the thread groove of the movable frame (8); the supporting device is mounted on the movable frame (8); and the side mounting device is mounted on the movable frame (8).

3. A valve air tightness detection tool as claimed in claim 2, characterized in that: The supporting device comprises a first screw rod (9), a knob (10) and a support plate (11); a thread groove is arranged at the bottom of the movable frame (8); the first screw rod (9) is threadedly connected to the thread groove of the movable frame (8); the knob (10) is mounted on the top of the first screw rod (9); and the support plate (11) is mounted on the top of the knob (10).

4. A valve air tightness detection tool as claimed in claim 3, characterized in that: The side-mounted device comprises two groups of clamping plates (12), two groups of screw rings (13), two groups of second screw rods (14) and two groups of turning handles (15). The front and rear parts of the moving frame (8) are both connected and provided with through holes. The two groups of screw rings (13) are respectively installed in the two groups of through holes of the moving frame (8). The two groups of second screw rods (14) are respectively threadedly connected with the two groups of screw rings (13). The two groups of clamping plates (12) are respectively rotatably installed on the inner ends of the two groups of second screw rods (14). The two groups of turning handles (15) are respectively installed on the outer ends of the two groups of second screw rods (14).

5. A valve air tightness detection tool as claimed in claim 4, characterized in that: The sealing device comprises a fixed platform (17), three groups of support plates (18), three groups of slide seats (19) and three groups of third bolts (20). The fixed platform (17) is installed on the left side of the top end of the base plate (1). The three groups of slide seats (19) are evenly installed on the top end of the fixed platform (17). The three groups of support plates (18) are respectively slidably connected with the three groups of slide seats (19). The three groups of slide seats (19) are all connected and provided with threaded holes. The three groups of third bolts (20) are respectively threadedly connected with the three groups of slide seats (19). The three groups of third bolts (20) are pressed against the three groups of support plates (18).

6. A valve air tightness detection tool as claimed in claim 5, characterized in that: It also includes four groups of rubber pads (21), which are respectively installed on the bottom ends of the four groups of fixing plates (2).

7. A valve air tightness detection tool as claimed in claim 6, characterized in that: It also comprises two groups of anti-skid pads (16), which are respectively installed on the inner ends of the two groups of clamping plates (12).

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