Valve airtightness detection device

Abstract

The utility model discloses a valve airtightness detection device, and relates to the technical field of valve detection. The valve airtightness detection device comprises a detection water tank, an air pump is assembled on the side face of the detection water tank, a threaded push rod is connected to the side face of the detection water tank through threads, an adjusting hand wheel is fixedly connected to the side face of the threaded push rod, and a storage bin is rotationally connected to the side face of the threaded push rod; and a fixing assembly is arranged in the detection water tank. According to the valve airtightness detection device, when a valve with an arc-shaped through hole needs to be sealed and isolated, a hydraulic device, an operating rod, a baffle plate, an elastic plate, an arc-shaped push rod, a rotating shaft, a stress plate and a vertical pressing plate are matched, and an adjusting hand wheel is rotated and extruded, so that the arc-shaped pressing plate can be driven to seal and isolate the valve with the arc-shaped through hole; and therefore, the device can effectively seal and fix valves with different shapes, and the usability of the device is improved.

Description

Technical Field

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

[0002] Valves are commonly used opening and closing parts for the circulation of gas or liquid. They need to be tested for sealing performance after production and before installation. However, the existing testing device mechanism is relatively simple. For example, when using the pressure method for testing, the inlet and outlet flanges of the valve are sealed separately through tooling equipment, and then pressure testing is performed.

[0003] Chinese patent CN213956685U, authorized and announced on August 13, 2021, discloses a valve air tightness detection device, which includes a water tank with a transparent observation window on the side wall. An air inlet pipe is provided in the water tank, the outer end of the air inlet pipe is connected to the air pump, and the inner end of the air inlet pipe is provided with a valve fixing mechanism; a valve sealing mechanism includes a push rod and a pressure plate, the pressure plate is installed at the inner end of the push rod, and the valve outlet flange is pressed tightly by the pressure plate, and the valve outlet is sealed by the pressure plate. In the above application documents, an adjustable pressure plate is used to seal and isolate the side of the valve, but the device is difficult to seal and isolate some valves with arc-shaped through holes, making the device less easy to use. Utility Model Content

[0004] In response to the shortcomings of the prior art, the present invention provides a valve air tightness detection device that solves the problems raised in the above-mentioned background art. To achieve the above objectives, the present invention is implemented through the following technical solutions: a valve air tightness detection device comprising a detection water tank, an air pump being mounted on the side of the detection water tank, a threaded push rod being connected to the side of the detection water tank via a threaded connection, an adjustment hand wheel being fixedly connected to the side of the threaded push rod, and a storage bin being rotatably connected to the side of the threaded push rod;

[0005] A fixed component is provided inside the detection water tank, and the fixed component includes a hydraulic device, the side of the hydraulic device is slidably connected to a joystick, the inner wall of the hydraulic device is rotatably connected to a baffle, the side of the baffle is fixedly connected to an elastic plate, the end of the hydraulic device away from the joystick is slidably connected to an arc-shaped push rod and an arc-shaped pressure plate, the side of the storage bin is rotatably connected to a rotating shaft, and the outer side of the rotating shaft is fixedly connected to a force plate and a vertical pressure plate.

[0006] Preferably, the hydraulic device is composed of two sections of rigid hydraulic storage bodies and a section of hydraulic hose, and the sides of the arc-shaped pressure plate and the vertical pressure plate are both equipped with sealing gaskets.

[0007] Preferably, two elastic plates are provided, and the two elastic plates are symmetrically distributed with respect to the baffle.

[0008] Preferably, the force-bearing plate is located on the side of the arc-shaped push rod, and the force-bearing plate and the arc-shaped push rod are fixedly connected.

[0009] Preferably, a locking assembly is provided on the side of the detection water tank, and the locking assembly includes a fixing plate, the side of the fixing plate is connected to a clamping rod via a spring, and a clamping slot is provided on the side of the operating rod.

[0010] Preferably, there are two clamping slots in total, and the cross-sectional shapes of the two clamping slots are adapted to the cross-sectional shape of the clamping rod.

[0011] The utility model provides a valve air tightness detection device, which has the following beneficial effects:

[0012] (1) When it is necessary to seal and isolate a valve with an arc-shaped through hole, the valve air tightness detection device cooperates with a hydraulic device, a joystick, a baffle, an elastic plate, an arc-shaped push rod, a rotating shaft, a force plate and a vertical pressure plate, and then rotates and squeezes the adjustment hand wheel to drive the arc-shaped pressure plate to seal and isolate the valve with the arc-shaped through hole, so that the device can effectively seal and fix valves with different shapes, thereby improving the ease of use of the device.

[0013] (2) When the valve air tightness detection device needs to move the joystick, the card rod is first pulled so that the card rod squeezes the spring and moves. At this time, the card rod moves out of the card slot, and the restriction on the joystick can be removed. In this way, when the joystick is not needed, the possibility of accidentally touching the joystick is reduced, and the stability of the device during use is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall three-dimensional appearance structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the overall cross-sectional three-dimensional structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the three-dimensional structure of the fixing component of the utility model;

[0017] Figure 4 For the utility model Figure 1 Enlarged structural diagram at point A in the middle.

[0018] In the picture:

[0019] 100, test water tank; 200, air pump; 300, threaded push rod; 400, adjustment hand wheel; 700, storage bin;

[0020] 500, fixed assembly; 501, hydraulic device; 502, joystick; 503, baffle; 504, elastic plate; 505, arc-shaped push rod; 506, arc-shaped pressure plate; 507, rotating shaft; 508, force plate; 509, vertical pressure plate;

[0021] 600, locking assembly; 601, fixing plate; 602, spring; 603, latching rod; 604, latching slot. DETAILED DESCRIPTION

[0022] 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.

[0023] Example 1

[0024] See also Figure 1-Figure 4 A valve air tightness detection device includes a detection water tank 100, an air pump 200 is assembled on the side of the detection water tank 100, a threaded push rod 300 is connected to the side of the detection water tank 100 by setting a thread, an adjustment hand wheel 400 is fixedly connected to the side of the threaded push rod 300, and a storage bin 700 is rotatably connected to the side of the threaded push rod 300;

[0025] Inside the test water tank 100, a fixed assembly 500 is installed. This assembly includes a hydraulic device 501, which consists of two rigid hydraulic sections and a hydraulic hose. A control rod 502 is slidably connected to the side of the hydraulic device 501. To seal a valve with an arc-shaped through-hole, the control rod 502 is pushed, causing it to slide within the slidably connected hydraulic device 501. The inner wall of the hydraulic device 501 is rotatably connected to a baffle 503, and the side of the baffle 503 is fixedly connected to an elastic plate 504. Two elastic plates 504 are provided, and the two elastic plates 504 are symmetrically distributed about the baffle 503. The end of the hydraulic device 501 away from the joystick 502 is slidingly connected to an arc push rod 505 and an arc pressure plate 506. The side of the storage bin 700 is rotatably connected to a rotating shaft 507, and the outer sides of the rotating shaft 507 are fixedly connected to a force plate 508 and a vertical pressure plate 509. The force plate 508 is located on the side of the arc push rod 505, and the force plate 508 and the arc push rod 505 are fixedly connected. The sides of the arc pressure plate 506 and the vertical pressure plate 509 are both equipped with sealing gaskets. When the operating rod 502 slides in the hydraulic device 501 slidably connected thereto, the force in the hydraulic device 501 is preferentially transmitted to the arc push rod 505 due to the baffle 503 rotatably connected thereto and the elastic plate 504 fixedly connected thereto, so that the arc push rod 505 drives the force-bearing plate 508 fixedly connected thereto to rotate, and the force-bearing plate 508 drives the rotating shaft 507 fixedly connected thereto to rotate, so that the rotating shaft 507 drives the vertical pressure plate 509 fixedly connected thereto to rotate, thereby When the storage bin 700 is opened and the joystick 502 is continuously pushed, the baffle 503 can squeeze the elastic plate 504 and rotate, and the force in the hydraulic device 501 can be transmitted to the arc pressure plate 506, thereby driving the arc pressure plate 506 to extend out of the storage bin 700. At this time, rotating and squeezing the adjusting hand wheel 400 can drive the arc pressure plate 506 to seal and isolate the valve with the arc through hole, so that the device can effectively seal and fix valves of different shapes, thereby improving the usability of the device.

[0026] When in use, by turning and squeezing the adjusting hand wheel 400, the threaded push rod 300 can be driven to rotate and move, thereby driving the vertical pressure plate 509 to seal and isolate the conventional valve through hole; when it is necessary to seal and isolate the valve with an arc through hole, by pushing the operating rod 502, the operating rod 502 slides in the hydraulic device 501 slidably connected thereto, and due to the baffle 503 rotatably connected in the hydraulic device 501 and the elastic plate 504 fixedly connected to the baffle 503, the force in the hydraulic device 501 is preferentially transmitted to the arc push rod 505, so that the arc push rod 505 brings The force-bearing plate 508 fixedly connected to it rotates, and the force-bearing plate 508 drives the rotating shaft 507 fixedly connected to it to rotate, so that the rotating shaft 507 drives the vertical pressure plate 509 fixedly connected to it to rotate, thereby opening the storage bin 700, and then continue to push the operating lever 502. At this time, the baffle 503 can squeeze the elastic plate 504 and rotate, and the force in the hydraulic device 501 can be transmitted to the arc pressure plate 506, thereby driving the arc pressure plate 506 to extend out of the storage bin 700. At this time, rotating and squeezing the adjusting hand wheel 400 can drive the arc pressure plate 506 to seal and isolate the valve with the arc through hole.

[0027] Example 2

[0028] See also Figure 1-Figure 4 On the basis of the first embodiment, a locking assembly 600 is provided on the side of the detection water tank 100. The locking assembly 600 includes a fixing plate 601. The side of the fixing plate 601 is connected to a clamping rod 603 via a spring 602. When the joystick 502 needs to be moved, the clamping rod 603 is first pulled, so that the clamping rod 603 squeezes the spring 602 and moves. The side of the joystick 502 is provided with a clamping slot 604. There are two clamping slots 604 in total, and the cross-sectional shapes of the two clamping slots 604 are adapted to the cross-sectional shape of the clamping rod 603. When the clamping rod 603 squeezes the spring 602 and moves, the clamping rod 603 moves out of the clamping slot 604, and the restriction on the joystick 502 is removed, thereby reducing the possibility of accidentally touching the joystick 502 and improving the stability of the device during use.

[0029] During use, based on the first embodiment, when the joystick 502 needs to be moved, the clamping rod 603 is first pulled so that the clamping rod 603 squeezes the spring 602 and moves. At this time, the clamping rod 603 is removed from the clamping slot 604, and the restriction on the joystick 502 can be released.

[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 valve air tightness detection device, comprising a detection water tank (100), an air pump (200) being mounted on a side of the detection water tank (100), a threaded push rod (300) being connected to the side of the detection water tank (100) by threading, an adjusting hand wheel (400) being fixedly connected to the side of the threaded push rod (300), and a storage bin (700) being rotatably connected to the side of the threaded push rod (300); Its characteristics are: The detection water tank (100) is provided with a fixed assembly (500) inside, and the fixed assembly (500) includes a hydraulic device (501), the side of the hydraulic device (501) is slidably connected to a joystick (502), the inner wall of the hydraulic device (501) is rotatably connected to a baffle (503), the side of the baffle (503) is fixedly connected to an elastic plate (504), the end of the hydraulic device (501) away from the joystick (502) is slidably connected to an arc push rod (505) and an arc pressure plate (506), the side of the storage bin (700) is rotatably connected to a rotating shaft (507), and the outer side of the rotating shaft (507) is fixedly connected to a force plate (508) and a vertical pressure plate (509).

2. A valve air tightness detection device according to claim 1, characterized in that: The hydraulic device (501) is composed of two sections of rigid hydraulic chambers and a section of hydraulic hose. The sides of the arc-shaped pressing plate (506) and the vertical pressing plate (509) are both equipped with sealing gaskets.

3. A valve air tightness detection device according to claim 2, characterized in that: Two elastic plates (504) are provided, and the two elastic plates (504) are symmetrically distributed with respect to the baffle (503).

4. A valve air tightness detection device according to claim 3, characterized in that: The force-bearing plate (508) is located on the side of the arc-shaped push rod (505), and the force-bearing plate (508) and the arc-shaped push rod (505) are in a fixed connection state.

5. A valve air tightness detection device according to claim 4, characterized in that: A locking assembly (600) is provided on the side of the detection water tank (100), and the locking assembly (600) includes a fixing plate (601). The side of the fixing plate (601) is connected to a clamping rod (603) via a spring (602), and a clamping slot (604) is provided on the side of the operating rod (502).

6. A valve air tightness detection device according to claim 5, characterized in that: There are two clamping slots (604) in total, and the cross-sectional shapes of the two clamping slots (604) are adapted to the cross-sectional shape of the clamping rod (603).

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