Double-holding-pressure valve testing machine
Through the combined design of components such as round rods, gears, electric push rods and sealing blocks, the position limitation and sealing problems of existing double-holding pressure valve testing machines during testing are solved, stable clamping and sealing of the valves are achieved, and the practicality and accuracy of the testing are improved.
Patent Information
- Application Number
- CN202422929024.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-11-29
AI Technical Summary
The existing double-holding pressure valve testing machine is not convenient for limiting the valve position and sealing when testing the valve, which affects the testing effect.
The combination design of round rods, gears, electric push rods, limit clamps and sealing blocks is adopted to achieve precise positioning and sealing of the valve. The limit clamping is achieved by the coordination of gears and racks, and the movement of the sealing block is achieved by the servo motor and threaded rod drive.
It achieves stable clamping and sealing of the valve, improves the practicability and accuracy of detection, and ensures the performance detection effect of the valve under different pressure conditions.
Smart Images

Figure CN223376919U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of valve detection, in particular to a double-holding pressure valve testing machine. Background Art
[0002] A dual-hold pressure valve testing machine is a device specifically designed to test valve performance. It primarily examines key performance indicators such as sealing, pressure resistance, and operational flexibility under varying pressures. Widely used by valve manufacturers, research institutions, and third-party testing agencies, dual-hold pressure valve testing machines are crucial for improving the quality and safety of valve products.
[0003] The double-holding pressure valve testing machine in the prior art is not convenient for limiting the position of the valve when performing pressure testing on the valve, which affects the detection of the valve. In addition, the existing double-holding pressure valve testing machine is not convenient for sealing the valve when testing the valve, which affects the detection effect. A double-holding pressure valve testing machine is now invented to solve the above problems. Utility Model Content
[0004] (1) Technical problems solved
[0005] In view of the deficiencies in the prior art, the present invention provides a double-holding pressure valve testing machine, which solves the problems raised in the above-mentioned background technology.
[0006] (2) Technical solution
[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a double-holding pressure valve testing machine, including a base plate, an adjusting box and a rectangular frame are respectively installed on the top of the base plate, the inside of the adjusting box is rotatably connected to a round rod through a bearing, the outer surface of the round rod is respectively installed with a first gear and a second gear, the inner wall of the adjusting box is installed with a first electric push rod, the movable end of the first electric push rod is installed with a matching block, the back of the matching block is installed with a first rack rod, the second gear is meshed with a second rack rod through teeth, a T-shaped slider is installed on the side of the second rack rod away from the teeth, a connecting rod is installed at one end of the second rack rod, and the end of the connecting rod is provided with a connecting rod. A cross bar is installed at the top, a support rod is installed at the top of the cross bar, a limit clamp is installed at the end of the support rod, a rubber pad is installed on one side of the limit clamp, a servo motor is installed on the top of the rectangular frame, the output end of the servo motor is installed with a threaded rod with the same center as the axis of the output end of the servo motor, the outer surface of the threaded rod is connected to the transmission connection with a threaded ring block, rectangular sliders are installed on both sides of the threaded ring block, a second electric push rod and a strip plate are respectively installed in front of the threaded ring block, a vertical plate is installed at the movable end of the second electric push rod, a sealing block is installed in front of the vertical plate, an auxiliary rod is installed behind the vertical plate, and a cross slider is installed at the end of the auxiliary rod.
[0008] Optionally, the first gear is engaged with the first rack rod through teeth, and the position of the first gear is lower than that of the second gear.
[0009] Optionally, the inner wall of the adjustment box is provided with a T-shaped groove with the front-to-back direction as the depth direction and the left-to-right direction as the length direction. The end of the T-shaped slider is located inside the T-shaped groove, and the T-shaped slider can slide along the length direction of the T-shaped groove.
[0010] Optionally, there are two limiting clamps, and the positions of the limiting clamps are higher than the position of the adjustment box.
[0011] Optionally, the inner wall of the rectangular frame is provided with a rectangular slide groove with the left and right directions as the depth direction and the up and down directions as the length direction. The end of the rectangular slider is located inside the rectangular slide groove, and the rectangular slider can slide along the length direction of the rectangular slide groove.
[0012] Optionally, the threaded rod is rotatably connected to the inner wall of the rectangular frame through a bearing, and the first electric push rod, the servo motor and the second electric push rod are all electrically connected to an external power supply through wires.
[0013] Optionally, a cross slide is provided at the bottom of the strip plate with the up-down direction as the depth direction and the front-back direction as the length direction. The end of the cross slide is located inside the cross slide, and the cross slide can slide along the length direction of the cross slide.
[0014] The utility model provides a double-holding pressure valve testing machine, which has the following beneficial effects:
[0015] 1. The double-holding pressure valve testing machine, through the arrangement of the round rod, the first gear, the second gear, the first electric push rod, the matching block, the first rack rod, the second rack rod, the T-shaped slider, the connecting rod, the cross bar, the support rod, the limit clamping block and the rubber pad, enables the double-holding pressure valve testing machine to have the effect of conveniently clamping and limiting the position of the valve. Through the cooperation of the first gear and the first rack rod, the two limit clamping blocks are conveniently moved synchronously to clamp and limit the position of the valve, thereby preventing the position of the valve from shifting, thereby achieving the purpose of improving practicality.
[0016] 2. The double-holding pressure valve testing machine, through the arrangement of the rectangular frame, servo motor, threaded rod, threaded ring block, rectangular slider, second electric push rod, strip plate, vertical plate, sealing block, auxiliary rod and cross slider, enables the double-holding pressure valve testing machine to have the effect of conveniently closing one end of the sealing valve. The vertical plate and sealing block abut against one end of the valve to facilitate blocking one end of the sealing valve, and air pressure is input at the other end of the valve to facilitate pressure testing of the valve, thereby achieving the purpose of improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;
[0018] Figure 2 This is a schematic structural diagram of the front cross-section of the present invention;
[0019] Figure 3 This is a schematic diagram of the structure of the utility model in a top view;
[0020] Figure 4 This is a schematic diagram of the structure of a partial cross-section viewed from above of the utility model;
[0021] Figure 5 It is a schematic structural diagram of the side cross-section of the utility model.
[0022] In the figure: 1. Base plate; 2. Adjustment box; 3. Rectangular frame; 4. Round rod; 5. First gear; 6. Second gear; 7. First electric push rod; 8. Matching block; 9. First rack rod; 10. Second rack rod; 11. T-shaped slider; 12. Connecting rod; 13. Cross bar; 14. Support rod; 15. Limit clamp; 16. Rubber pad; 17. Servo motor; 18. Threaded rod; 19. Threaded ring block; 20. Rectangular slider; 21. Second electric push rod; 22. Strip plate; 23. Vertical plate; 24. Sealing block; 25. Auxiliary rod; 26. Cross slider. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0024] Example 1
[0025] See also Figures 1 to 4The utility model provides a technical solution: a double-holding pressure valve testing machine, including a base plate 1, an adjusting box 2 and a rectangular frame 3 are respectively installed on the top of the base plate 1, the inner wall of the adjusting box 2 is provided with a T-shaped slide groove with the front and rear direction as the depth direction and the left and right direction as the length direction, the end of the T-shaped slider 11 is located inside the T-shaped slide groove, and the T-shaped slider 11 can slide along the length direction of the T-shaped slide groove, the inner wall of the rectangular frame 3 is provided with a rectangular slide groove with the left and right direction as the depth direction and the up and down direction as the length direction, the end of the rectangular slider 20 is located inside the rectangular slide groove, and the rectangular slider 20 can slide along the length direction of the rectangular slide groove, the interior of the adjusting box 2 is rotatably connected to a round rod 4 through a bearing, and the outer surface of the round rod 4 is respectively provided with a first gear 5 and a second gear 6, the first gear 5 is meshed with the first rack rod 9 through teeth. The position of the first gear 5 is lower than that of the second gear 6. A first electric push rod 7 is installed on the inner wall of the adjustment box 2. A matching block 8 is installed at the movable end of the first electric push rod 7. The first rack rod 9 is installed behind the matching block 8. The second gear 6 is meshed with the second rack rod 10 through teeth. A T-shaped slider 11 is installed on the side of the second rack rod 10 away from the teeth. A connecting rod 12 is installed at one end of the second rack rod 10. A cross bar 13 is installed at the end of the connecting rod 12. A support rod 14 is installed at the top of the cross bar 13. A limit clamp 15 is installed at the end of the support rod 14. There are two limit clamps 15. The position of the limit clamp 15 is higher than that of the adjustment box 2. A rubber pad 16 is installed on one side of the limit clamp 15.
[0026] During use, when testing the valve, the valve is placed on the top of the regulating box 2, and the valve is located between the two limit clamps 15. The movable end of the first electric push rod 7 is extended, so that the matching block 8 drives the first rack rod 9 to move, and the first gear 5 is engaged with the first rack rod 9 through the teeth. The first gear 5 drives the round rod 4 and the second gear 6 to rotate, and the second gear 6 is engaged with the second rack rod 10 through the teeth, and the end of the T-shaped slider 11 is located inside the T-shaped slide groove, so that the second rack rod 10 drives the T-shaped slider 11, the connecting rod 12, the cross bar 13, the support rod 14 and the limit clamp 15 to move, so that the rubber pad 16 abuts against the valve, so that the two limit clamps 15 move synchronously to clamp the valve, which is convenient for limiting the position of the valve and improving practicality.
[0027] Example 2
[0028] See also Figures 1 to 5The utility model provides a technical solution: a double-holding pressure valve testing machine, a servo motor 17 is installed on the top of the rectangular frame 3, the output end of the servo motor 17 is installed with a threaded rod 18 with the same center as the axis of the output end of the servo motor 17, the threaded rod 18 is rotatably connected to the inner wall of the rectangular frame 3 through a bearing, the first electric push rod 7, the servo motor 17 and the second electric push rod 21 are all electrically connected to the external power supply through a wire, the outer surface of the threaded rod 18 is transmission-connected to a threaded ring block 19, and rectangular sliders are installed on both sides of the threaded ring block 19 20. A second electric push rod 21 and a strip plate 22 are respectively installed in front of the threaded ring block 19. A cross slide is opened at the bottom of the strip plate 22 with the up and down direction as the depth direction and the front and back direction as the length direction. The end of the cross slide 26 is located inside the cross slide, and the cross slide 26 can slide along the length direction of the cross slide. A vertical plate 23 is installed at the movable end of the second electric push rod 21, a sealing block 24 is installed in front of the vertical plate 23, an auxiliary rod 25 is installed behind the vertical plate 23, and a cross slide 26 is installed at the end of the auxiliary rod 25.
[0029] When in use, to seal the valve, the vertical plate 23 and the sealing block 24 are adjusted to the corresponding positions of the valve, the servo motor 17 drives the threaded rod 18 to rotate, and the threaded rod 18 is transmission-connected to the threaded ring block 19, and the end of the rectangular slider 20 is located inside the rectangular slide, so that the threaded ring block 19 drives the rectangular slider 20 and the vertical plate 23 to move up and down, so that the rectangular slider 20 slides along the length direction of the rectangular slide. When the vertical plate 23 is aligned with the valve and the lowest position of the vertical plate 23 is higher than the position of the regulating box 2, the movable end of the second electric push rod 21 is extended, so that the vertical plate 23 drives the auxiliary rod 25 and the cross slider 26 to move, so that the cross slider 26 slides along the length direction of the cross slide, so that the sealing block 24 on the vertical plate 23 abuts against the valve, which is convenient for sealing one end of the valve and inputting gas from the other end of the valve, which is convenient for pressure detection of the valve.
[0030] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A double-holding pressure valve testing machine, comprising a bottom plate, characterized in that: An adjusting box and a rectangular frame are respectively installed on the top of the bottom plate, the inside of the adjusting box is connected to a round rod through a bearing, the outer surface of the round rod is respectively installed with a first gear and a second gear, the inner wall of the adjusting box is installed with a first electric push rod, the movable end of the first electric push rod is installed with a matching block, the back of the matching block is installed with a first rack rod, the second gear is meshed with a second rack rod through teeth, a T-shaped slider is installed on the side of the second rack rod away from the teeth, a connecting rod is installed at one end of the second rack rod, a cross bar is installed at the end of the connecting rod, a support rod is installed on the top of the cross bar, and the support rod is A limit clamp is installed at the end, a rubber pad is installed on one side of the limit clamp, a servo motor is installed on the top of the rectangular frame, a threaded rod with the same center as the axis of the servo motor output end is installed at the output end of the servo motor, a threaded ring block is connected to the outer surface of the threaded rod for transmission, rectangular sliders are installed on both sides of the threaded ring block, a second electric push rod and a strip plate are respectively installed in front of the threaded ring block, a vertical plate is installed at the movable end of the second electric push rod, a sealing block is installed in front of the vertical plate, an auxiliary rod is installed at the back of the vertical plate, and a cross slider is installed at the end of the auxiliary rod.
2. A double-holding pressure valve testing machine according to claim 1, characterized in that: The first gear is meshed with the first rack rod through teeth, and the position of the first gear is lower than that of the second gear.
3. The double-holding pressure valve testing machine according to claim 1, characterized in that: The inner wall of the regulating box is provided with a T-shaped slot with the front-to-back direction as the depth direction and the left-to-right direction as the length direction. The end of the T-shaped slider is located inside the T-shaped slot, and the T-shaped slider can slide along the length direction of the T-shaped slot.
4. The double-holding pressure valve testing machine according to claim 1, characterized in that: There are two limit clamps, and the positions of the limit clamps are higher than the position of the adjustment box.
5. The double-holding pressure valve testing machine according to claim 1, characterized in that: The inner wall of the rectangular frame is provided with a rectangular slide groove with the left-right direction as the depth direction and the up-down direction as the length direction. The end of the rectangular slider is located inside the rectangular slide groove, and the rectangular slider can slide along the length direction of the rectangular slide groove.
6. The dual-holding pressure valve testing machine according to claim 1, characterized in that: The threaded rod is rotatably connected to the inner wall of the rectangular frame through a bearing, and the first electric push rod, the servo motor and the second electric push rod are all electrically connected to an external power supply through wires.
7. The dual-holding pressure valve testing machine according to claim 1, characterized in that: A cross slide is provided at the bottom of the strip plate with the up-down direction as the depth direction and the front-back direction as the length direction. The end of the cross slide is located inside the cross slide and the cross slide can slide along the length direction of the cross slide.