Overflow valve sealing detection structure
By designing an adjustable overflow valve sealing detection structure, and using a motor-driven moving base and mounting bracket to adjust the position of the air pump, the problem of poor adaptability of existing equipment is solved, and flexible sealing detection of overflow valves of different models is realized.
Patent Information
- Application Number
- CN202520728992.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-04-17
AI Technical Summary
Existing relief valve sealing testing equipment is a fixed structure with poor adaptability and cannot be adapted to different models of relief valves.
A detection structure including a base, an air pump, a pressure tester, and an adjustment mechanism was designed. The movement of the moving base and the mounting frame is driven by a first motor and a second motor to achieve horizontal and vertical adjustment of the air pump. With the sealing connection between the mounting shell and the liquid inlet pipe, the pressure tester is used to detect changes in air pressure.
It enables flexible adaptation and sealing testing of inlet pipes for different models of overflow valves, improving the applicability and accuracy of the testing.
Smart Images
Figure CN223925951U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to overflow valve detection technical field, specifically point to a kind of overflow valve sealing detection structure. BACKGROUND
[0002] As the key component in hydraulic system, the sealing performance of overflow valve directly affects the safety and reliability of system. In the production and maintenance process of overflow valve, the sealing between its inlet pipe and outlet pipe needs to be strictly detected to prevent leakage or pressure anomaly.
[0003] In prior art, the sealing detection of overflow valve mostly adopts fixed air-tightness detection device, gas or liquid is introduced into the inlet pipe of overflow valve through gas or liquid conveying equipment, and test instrument is arranged on the outlet pipe of overflow valve to check gas pressure or the outlet pipe is introduced into water to observe whether bubble is generated, thereby realizing the air-tightness detection of overflow valve. The fixedly arranged detection equipment cannot be adjusted, and the adaptability is poor. UTILITY MODEL CONTENT
[0004] The technical problem to be solved by the utility model is that the sealing detection equipment of existing overflow valve is fixed structure, and the adaptability is poor.
[0005] To achieve the above purpose, the technical scheme provided by the utility model is as follows:
[0006] A kind of overflow valve sealing detection structure, including base, the lower end of the base is fixedly connected with several support legs, further including gas pump, gas pressure tester and adjusting mechanism, the base is equipped with air hole, the gas pressure tester is fixedly connected with the lower end of base and is communicated with air hole, for checking the gas pressure of overflow valve outlet pipe, the gas pump is connected on adjusting mechanism, for inputting gas to overflow valve inlet pipe, the adjusting mechanism is used to control the height and horizontal position of gas pump;
[0007] The adjusting mechanism includes first motor and moving seat, the first motor is fixedly connected with the outside of base, the first motor drives moving seat to slide horizontally on base, the front end of moving seat is slidably connected with mounting bracket, the gas pump is fixedly connected on mounting bracket, the upper end of moving seat is fixedly connected with second motor, the second motor drives mounting bracket to slide vertically on the front end of moving plate.
[0008] Further, the upper end of base is equipped with first sliding groove, the output end of first motor is fixedly connected with first screw rod, which is horizontally rotatably connected in first sliding groove, the lower end of moving seat is fixedly connected with first sliding block, which is threadedly connected on first screw rod and adaptively slides in first sliding groove.
[0009] Further, the upper end of base is equipped with limit slot, which is symmetrically distributed on both sides of first sliding groove, the lower end of moving seat is fixedly connected with limit block, which is symmetrically distributed on both sides of first sliding block, and the limit block adaptively slides in limit slot.
[0010] Furthermore, the mounting bracket is L-shaped, the air pump is horizontally fixed to the horizontal plate of the mounting bracket, and the vertical plate of the mounting bracket is vertically slid against the front end of the movable seat.
[0011] Furthermore, a second screw is fixedly connected to the output end of the second motor, and a second slider is fixedly connected to the rear end of the mounting bracket, with the second slider threadedly connected to the second screw.
[0012] Furthermore, the front end of the movable seat is provided with a vertically arranged second slide groove, the second screw is vertically rotatably connected to the second slide groove, and the second slider is adapted to slide within the second slide groove.
[0013] Furthermore, the gas pump is provided with an air inlet pipe and an air outlet pipe at the front end of the gas pump. The air outlet pipe is connected to a mounting shell via a flange for connection with the liquid inlet pipe of the overflow valve. A sealing ring is fixed to the inner wall of the mounting shell.
[0014] The beneficial effects of this utility model by adopting the above structure are as follows:
[0015] 1: An adjustment mechanism is provided. The horizontal position of the air pump can be adjusted by driving the moving base to move horizontally with the first motor, and the height of the air pump can be adjusted by driving the mounting bracket to move vertically with the second motor, so as to facilitate the adaptation of overflow valves with different liquid inlet pipe positions.
[0016] 2: The mounting housing is fixedly connected to the air outlet pipe of the air pump via a flange. Different mounting housings can be installed at the front end of the air pump according to the different sizes of the inlet pipes of the overflow valve. Attached Figure Description
[0017] Figure 1 This is a perspective view of the present invention.
[0018] Figure 2 This is a side view of the present invention.
[0019] Figure 3 This is a schematic diagram of the overflow valve of this utility model.
[0020] Figure 4 Cross-sectional view of the base of this utility model Figure 1 .
[0021] Figure 5 Cross-sectional view of the base of this utility model Figure 2 .
[0022] Figure 6 This is a schematic diagram of the adjustment mechanism of this utility model.
[0023] Figure 7 This is a cross-sectional view of the mounting shell of this utility model.
[0024] Reference signs:
[0025] 1. base, 101. support leg, 102. air hole, 103. first sliding groove, 104. limiting groove, 2. overflow valve, 201. liquid outlet pipe, 202. liquid inlet pipe, 3. gas conveying pump, 301. gas inlet pipe, 302. gas outlet pipe, 303. mounting shell, 304. sealing ring, 4. adjusting mechanism, 401. first motor, 402. first screw rod, 403. moving seat, 404. first sliding block, 405. limiting block, 406. second sliding groove, 407. mounting frame, 408. second sliding block, 409. second motor, 410. second screw rod, 5. gas pressure tester. DETAILED DESCRIPTION
[0026] As shown in Figures 1-7 A kind of overflow valve sealing detection structure, including base 1, the lower end of the base 1 is fixedly connected with several support legs 101, still include gas conveying pump 3, gas pressure tester 5 and adjusting mechanism 4, the base 1 is equipped with air hole 102, the gas pressure tester 5 is fixedly connected with the lower end of base 1 and is communicated with air hole 102, for checking the gas pressure of overflow valve 2 liquid outlet pipe 201, the gas conveying pump 3 is connected on adjusting mechanism 4, for the gas input of overflow valve 2 liquid inlet pipe 202, the adjusting mechanism 4 is used to regulate the height and horizontal position of gas conveying pump 3;
[0027] As shown in Figures 4-6As shown, the adjusting mechanism 4 comprises a first motor 401 fixed outside the base 1, the first motor 401 drives the moving seat 403 to slide horizontally on the base 1, the moving seat 403 is slidably connected with a mounting frame 407 at the front end, the gas conveying pump 3 is fixed on the mounting frame 407, the moving seat 403 is fixed to a second motor 409 at the upper end, the second motor 409 drives the mounting frame 407 to slide vertically at the front end of the moving plate, the upper end of the base 1 is provided with a first sliding groove 103, the output end of the first motor 401 is fixed with a first screw rod 402 which is horizontally rotatably connected in the first sliding groove 103, the lower end of the moving seat 403 is fixed with a first sliding block 404 which is threadedly connected to the first screw rod 402 and is adapted to slide in the first sliding groove 103, the upper end of the base 1 is provided with a limiting groove 104 which is symmetrically distributed on both sides of the first sliding groove 103, the lower end of the moving seat 403 is fixed with a limiting block 405 which is symmetrically distributed on both sides of the first sliding block 404, the limiting block 405 is adapted to slide in the limiting groove 104, thereby improving the stability of the moving seat 403 sliding horizontally on the base 1, the mounting frame 407 is provided in L shape, the gas conveying pump 3 is horizontally fixed on the horizontal plate of the mounting frame 407, the vertical plate of the mounting frame 407 is vertically slidably connected with the front end of the moving seat 403, the output end of the second motor 409 is fixed with a second screw rod 410, the rear end of the mounting frame 407 is fixed with a second sliding block 408, the second sliding block 408 is threadedly connected to the second screw rod 410, the front end of the moving seat 403 is provided with a second sliding groove 406 which is vertically arranged, the second screw rod 410 is vertically rotatably connected in the second sliding groove 406, the second sliding block 408 is adapted to slide in the second sliding groove 406, the mounting frame 407 is driven by the second motor 409 to vertically move on the moving seat 403, thereby calibrating the horizontal position of the mounting shell 303 and the liquid inlet pipe 202, the moving seat 403 is driven by the first motor 401 to horizontally move on the base 1, so that the liquid inlet pipe 202 extends into the mounting shell 303 to press the sealing ring 304, thereby realizing the sealed connection between the mounting shell 303 and the liquid inlet pipe 202.
[0028] As shown in Figure 2 , 6 , 7, the gas conveying pump 3 is provided with an air inlet pipe 301, the front end of the gas conveying pump 3 is provided with an air outlet pipe 302, the air outlet pipe 302 is connected with a mounting shell 303 through a flange, for connecting with the liquid inlet pipe 202 of the overflow valve 2, the inner wall of the mounting shell 303 is fixed with a sealing ring 304, after the liquid inlet pipe 202 of the overflow valve 2 is sealingly connected in the mounting shell 303, the gas is conveyed through the box of the gas conveying pump 3 to the overflow valve 2, whether the liquid outlet pipe 201 of the overflow valve 2 has gas exported is judged by the air pressure tester 5 at the lower end of the base 1, thereby realizing the sealing detection of the overflow valve 2.
[0029] In use, this utility model uses bolts to fix the overflow valve 2 onto the base 1, connecting the outlet pipe 201 to the air hole 102. A rubber ring is placed between the flange of the outlet pipe 201 and the base 1 to achieve a seal. According to the size specifications of the inlet pipe 202 of the overflow valve 2, a corresponding size mounting shell 303 is fixedly installed on the outlet pipe 302 of the air pump 3 using bolts. The output end of the second motor 409 drives the second screw 410 to rotate, thereby driving the second slider 408 to slide in the second slide groove 406, which in turn drives the mounting bracket 407 to move vertically at the front end of the moving seat 403, thereby achieving positional alignment between the mounting shell 303 and the inlet pipe 202. The output end of the first motor 401 drives the first screw 402 to rotate, thereby driving the first The slider 404 slides within the first slide groove 103, thereby driving the movable seat 403 to slide horizontally on the base 1. At the same time, the limiting block 405 slides within the limiting groove 104 to improve the stability of the sliding of the movable seat 403. The horizontal movement of the movable seat 403 causes the mounting shell 303 to move towards the liquid inlet pipe 202 until the flange of the mounting shell 303 and the liquid inlet pipe 202 squeezes the sealing ring 304, thus achieving a sealed connection between the liquid inlet pipe 202 and the mounting shell 303. Air is supplied to the liquid inlet pipe 202 of the overflow valve 2 through the air pump 3. The air pressure tester 5 (which uses a piezoresistive sensor for detection) detects whether there is a change in the air pressure in the air hole 102, thereby determining whether there is gas output from the liquid pipe 201, thus achieving the sealing test of the overflow valve 2.
[0030] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.
Claims
1. A seal detection structure of a relief valve (2), comprising a base (1), a plurality of supporting legs (101) are fixedly connected to the lower end of the base (1), characterized in that: Also include gas pump (3), air pressure tester (5) and adjusting mechanism (4), the base (1) is equipped with air hole (102), the air pressure tester (5) is fixedly connected with the lower end of base (1) and is communicated with air hole (102), is used for checking the air pressure of overflow valve (2) outlet pipe (201), the gas pump (3) is connected on adjusting mechanism (4), is used for the gas input of overflow valve (2) inlet pipe (202), the adjusting mechanism (4) is used to regulate the height and horizontal position of gas pump (3); The adjusting mechanism (4) includes a first motor (401) and a moving seat (403), the first motor (401) is fixedly connected to the outside of the base (1), the first motor (401) drives the moving seat (403) to slide horizontally on the base (1), the moving seat (403) is slidably connected with a mounting bracket (407) at the front end, the gas pump (3) is fixedly connected to the mounting bracket (407), and the second motor (409) is fixedly connected to the upper end of the moving seat (403), the second motor (409) drives the mounting bracket (407) to slide vertically at the front end of the moving plate.
2. The seal detection structure for a spill valve (2) according to claim 1, characterized in that: The upper end of the base (1) is provided with a first sliding groove (103), and the output end of the first motor (401) is fixedly connected with a first screw (402) which is horizontally rotatably connected in the first sliding groove (103), and the lower end of the moving seat (403) is fixedly connected with a first sliding block (404) which is threadedly connected to the first screw (402) and is adapted to slide in the first sliding groove (103).
3. A seal detection structure for a spill valve (2) according to claim 2, characterized in that: The upper end of the base (1) is provided with a first sliding groove (103), and the output end of the first motor (401) is fixedly connected with a first screw (402) which is horizontally rotatably connected in the first sliding groove (103), and the lower end of the moving seat (403) is fixedly connected with a first sliding block (404) which is threadedly connected to the first screw (402) and is adapted to slide in the first sliding groove (103).
4. The seal detection structure for a spill valve (2) according to claim 1, characterized by: The mounting bracket (407) is L-shaped, the gas pump (3) is horizontally fixed to the horizontal plate of the mounting bracket (407), and the vertical plate of the mounting bracket (407) slides vertically at the front end of the moving seat (403).
5. A seal detection structure for a spill valve (2) according to claim 1 or 4, characterized in that: The output end of the second motor (409) is fixedly connected with a second screw (410), the rear end of the mounting bracket (407) is fixedly connected with a second sliding block (408), and the second sliding block (408) is threadedly connected to the second screw (410).
6. A seal detection structure for a spill valve (2) according to claim 5, characterized in that: The front end of the moving seat (403) is provided with a second sliding groove (406) arranged vertically, the second screw (410) is vertically rotatably connected in the second sliding groove (406), and the second sliding block (408) is adapted to slide in the second sliding groove (406).
7. The seal detection structure of a spill valve (2) according to claim 1 or 4, characterized by: The gas pump (3) is provided with an air inlet pipe (301), the front end of the gas pump (3) is provided with an air outlet pipe (302), the air outlet pipe (302) is connected with a mounting shell (303) through a flange, and is used for being connected with the inlet pipe (202) of the overflow valve (2), and the inner wall of the mounting shell (303) is fixedly connected with a sealing ring (304).