CN212110481U - Valve air tightness detection device - Google Patents

Valve air tightness detection device Download PDF

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Publication number
CN212110481U
CN212110481U CN202021268796.6U CN202021268796U CN212110481U CN 212110481 U CN212110481 U CN 212110481U CN 202021268796 U CN202021268796 U CN 202021268796U CN 212110481 U CN212110481 U CN 212110481U
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China
Prior art keywords
valve
screw rod
sides
lifting
rigid coupling
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CN202021268796.6U
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Chinese (zh)
Inventor
许丙龙
郑兴洋
唐俊
郑泽坤
孙建明
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Jiangsu Dingxing Petroleum Machinery Co ltd
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Jiangsu Dingxing Petroleum Machinery Co ltd
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Abstract

The valve air tightness detection device comprises two groups of supports, wherein the upper ends of the supports are fixedly connected with a bottom plate, lifting assemblies are arranged between supporting rods on two sides, the lower ends of the lifting assemblies are connected with a lifting table, a moving assembly is arranged in the lifting table, the left end of an air inlet pipe penetrates through a moving plate and is connected with an air inlet assembly, and a water tank is arranged at the upper end of a strut; the two side moving plates are driven to move close to each other through the moving assembly, the clamping plates on the two sides fix and clamp the valve, manual operation for fixing the valve is not needed, time and labor are saved, and detection efficiency is improved. Drive the elevating platform through lifting unit and go up and down, and then can drive the below valve and descend and get into in the water tank, have the gas tightness that the bubble produced and detect the valve through observing the aquatic, it is simple and convenient to detect, and detection efficiency is high, avoids the error nature of artifical water injection detection accessible heating block to heat water simultaneously, can test the gas tightness of valve under the different temperatures for it is more comprehensive accurate to the detection of valve, has improved the valve quality of dispatching from the factory.

Description

Valve air tightness detection device
Technical Field
The utility model relates to a valve production detects technical field, specifically is valve gas tightness detection device.
Background
Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). The valve is a control part in a pipeline fluid conveying system, is used for changing the section of a passage and the flowing direction of a medium, and has the functions of diversion, cut-off, throttling, check, flow splitting, overflow pressure relief and the like. The variety and specifications of the valves used range from the simplest shut-off valves to the most complex autonomous systems. The valve for the oil field well mouth is one of the valves, when the valve for the oil field well mouth is produced, the valve needs to be subjected to strict air tightness detection, the problem of leakage of the valve in use is prevented, the quality of the valve is determined by the quality of the air tightness of the valve, and therefore factory detection is needed to ensure the production quality of the valve.
The existing general detection method for the air tightness of the valve is to seal a through hole of the valve, and observe whether liquid leaks or not after liquid is injected into the valve, but the liquid seepage is not obvious in the method, and meanwhile, the method is easily influenced by external liquid, so that the judgment error of a worker is easily caused, and the delivery quality of the valve is influenced; meanwhile, the existing valve detection workers have many manual operation steps, large workload and low detection efficiency; and the existing valve detection does not detect the air tightness of the valve at different temperatures, so that the detection result is not comprehensive and accurate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a valve gas tightness detection device to solve the problem that appears in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
valve gas tightness detection device, including two sets of supports, support upper end rigid coupling has the bottom plate, the equal rigid coupling in bottom plate upper end both sides has branch, branch upper end rigid coupling has the roof, both sides be provided with lifting unit between the branch, the lifting unit lower extreme is connected with the elevating platform, the shifting chute has been seted up to the elevating platform lower extreme, the inside removal subassembly that is provided with of elevating platform, removal subassembly lower extreme bilateral symmetry is connected with the movable plate, the inboard rigid coupling of movable plate has two dead levers, dead lever other end rigid coupling has the grip block, the grip block other end is provided with two limiting plates, the left side the grip block intercommunication has the intake pipe, the intake pipe left end runs through the movable plate and is connected with the subassembly that admits air, the bottom plate upper end is.
Preferably, valve gas tightness detection device, lifting unit includes first screw rod, first screw rod rotates to be connected between both sides branch, the right side the branch outer wall is provided with first motor, first motor output rigid coupling in first screw rod right-hand member, first screw rod both sides screw thread is turned around to opposite, first screw rod bilateral symmetry spiro union has the connecting piece, the connecting piece lower extreme articulates there is the connecting rod, the connecting rod lower extreme articulates in elevating platform upper end, both sides the rigid coupling has the slide bar between the branch, the slide bar slides and runs through in two connecting pieces.
Preferably, valve gas tightness detection device, the removal subassembly includes the second screw rod, the second screw rod rotates to be connected in the elevating platform wall about left and right sides, second screw rod left side outer wall is provided with the second motor, second motor output rigid coupling in second screw rod left end, second screw rod both ends screw thread revolves to opposite, second screw rod bilateral symmetry spiro union has the nut piece, nut piece upper end rigid coupling has slider, both sides slider upper end sliding connection has the slide rail, the slide rail is installed in the elevating platform inner chamber upper wall, nut piece lower extreme rigid coupling in movable plate upper end.
Preferably, the valve gas tightness detection device, the subassembly of admitting air includes the backup pad, the backup pad rigid coupling is in left side branch outer wall, be provided with the air pump in the backup pad, air pump output end intercommunication has the outlet duct, the outlet duct runs through left side branch and communicates with there is the hose, the hose other end communicates in the intake pipe left end.
Preferably, valve gas tightness detection device, the inner chamber bottom of water tank is provided with a plurality of heating pieces, water tank bottom intercommunication has the drain pipe, install the valve on the drain pipe.
Preferably, valve gas tightness detection device, the equal rigid coupling in both ends has the draw runner about the elevating platform, the draw runner other end sliding connection has the guide rail, the guide rail is installed in the branch inner wall.
The utility model has the advantages that:
1. the utility model has the advantages of reasonable design, start the second motor and rotate through second screw rod, nut piece, slider and slide rail cooperation, drive both sides movable plate and limiting plate and be close to the removal each other, until both sides grip block to the valve centre gripping, prevent in the testing process, the valve takes place the circumstances such as aversion and the influence detects, makes the detection to the valve more accurate, applicable in the valve of different length to need not the manual work and to valve fixed operation, labour saving and time saving improves detection efficiency.
2. Start first motor and rotate through first screw rod, connecting piece, slide bar and connecting rod cooperation, drive the elevating platform and go up and down, and then can drive below valve decline and get into in the water tank, have the bubble to produce the gas tightness that detects the valve through observing the aquatic, have the bubble then the gas tightness is unqualified, bubble-free production then the gas tightness is qualified, it is simple and convenient to detect, detection efficiency is high, avoids the error nature that artifical water injection detected.
3. Meanwhile, water can be heated by the heating block, so that the air tightness of the valve at different temperatures can be tested, the valve can be detected more comprehensively and accurately, and the quality of the valve leaving a factory is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used for describing the embodiments are briefly introduced below, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the lifting assembly of the present invention;
FIG. 3 is a schematic structural view of the moving assembly of the present invention;
FIG. 4 is a schematic structural view of the air inlet assembly of the present invention;
fig. 5 is an enlarged schematic view of the position a of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-support, 2-bottom plate, 3-support rod, 4-top plate, 5-lifting component, 501-first screw rod, 502-first motor, 503-connecting piece, 504-connecting rod, 505-sliding rod, 6-lifting platform, 7-moving groove, 8-moving component, 801-second screw rod, 802-second motor, 803-nut block, 804-sliding block, 805-sliding rail, 9-moving plate, 10-fixing rod, 11-clamping plate, 12-limiting plate, 13-air inlet pipe, 14-air inlet component, 1401-supporting plate, 1402-air pump, 1403-air outlet pipe, 1404-hose, 15-support column, 16-water tank, 17-heating block, 18-water outlet pipe, 19-sliding strip, 20-guide rail.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-5, the valve airtightness detection apparatus of the present embodiment includes two sets of support bases 1, a bottom plate 2 is fixedly connected to an upper end of each support base 1, support rods 3 are fixedly connected to both sides of an upper end of each bottom plate 2, a top plate 4 is fixedly connected to an upper end of each support rod 3, a lifting assembly 5 is disposed between the support rods 3, a lifting table 6 is connected to a lower end of each lifting assembly 5, a moving groove 7 is disposed at a lower end of the lifting table 6, a moving assembly 8 is disposed inside the lifting table 6, a moving plate 9 is symmetrically connected to a lower end of the moving assembly 8, two fixed rods 10 are fixedly connected to an inner side of the moving plate 9, a clamping plate 11 is fixedly connected to the other end of each fixed rod 10, two limiting plates 12 are disposed at the other end of the clamping plate 11, an air inlet pipe 13 is communicated with the, the inner chamber bottom of water tank 16 is provided with a plurality of heating blocks 17, and accessible heating block 17 heats water to the gas tightness of the valve of testable different temperatures under, make the detection to the valve more comprehensive accurate, water tank 16 bottom intercommunication has drain pipe 18, installs the valve on the drain pipe 18, the discharge of the inside water of the steerable water tank 16 of valve. The equal rigid coupling in both ends has draw runner 19 about elevating platform 6, and the 19 other end sliding connection of draw runner has guide rail 20, guide rail 20 installs in branch 3 inner walls, and elevating platform 6 goes up and down to drive draw runner 19 simultaneously and goes up and down along guide rail 20, can improve elevating platform 6's stability.
The lifting assembly 5 comprises a first screw 501, the first screw 501 is rotatably connected between the two side supporting rods 3, a first motor 502 is arranged on the outer wall of the right side supporting rod 3, the output end of the first motor 502 is fixedly connected to the right end of the first screw 501, the thread turning directions of the two sides of the first screw 501 are opposite, the first screw 501 is in bilateral symmetry and threaded connection with connecting pieces 503, the lower ends of the connecting pieces 503 are hinged with connecting rods 504, the lower ends of the connecting rods 504 are hinged to the upper end of the lifting platform 6, a sliding rod 505 is fixedly connected between the two side supporting rods 3, and the sliding; the first motor 502 is started to rotate to drive the first screw 501 to rotate, so as to drive the connecting pieces 503 at two sides to move close to each other along the sliding rod 505, and further drive the lifting platform 6 to lift through the connecting rod 504, so as to drive the lower valve to descend into the water tank 16.
The moving assembly 8 comprises a second screw 801, the second screw 801 is rotatably connected to the left and right walls of the lifting table 6, a second motor 802 is arranged on the outer wall of the left side of the second screw 801, the output end of the second motor 802 is fixedly connected to the left end of the second screw 801, the thread directions of the two ends of the second screw 801 are opposite, nut blocks 803 are symmetrically screwed on the left and right of the second screw 801, the upper ends of the nut blocks 803 are fixedly connected with sliding blocks 804, the upper ends of the sliding blocks 804 on the two sides are slidably connected with sliding rails 805, the sliding rails 805 are mounted on the upper wall of the inner cavity of the lifting table 6, and the lower ends; the second motor 802 is started to rotate to drive the second screw 801 to rotate, so that the nut blocks 803 on the two sides are driven to move close to each other, meanwhile, the nut blocks 803 drive the sliding block 804 to move along the sliding rail 805, the moving stability of the nut blocks 803 can be guaranteed, the nut blocks 803 on the two sides move close to each other to drive the moving plates 9 on the two sides, the clamping plates 11 and the limiting plates 12 to move close to each other, and the valve is clamped fixedly until the clamping plates 11 on the two sides.
The air inlet assembly 14 comprises a support plate 1401, the support plate 1401 is fixedly connected to the outer wall of the left side support rod 3, an air pump 1402 is arranged on the support plate 1401, the output end of the air pump 1402 is communicated with an air outlet pipe 1403, the air outlet pipe 1403 penetrates through the left side support rod 3 and is communicated with a hose 1404, and the other end of the hose 1404 is communicated with the left end of the air inlet pipe 13; the air pump 1402 is activated to discharge high pressure air into the outlet conduit 1403 and the hose 1404, and the high pressure air finally enters the interior of the valve through the inlet conduit 13.
The utility model discloses a theory of operation does:
when using this device, at first place the valve that treats to detect between both sides limiting plate 12, then start second motor 802 and rotate and drive second screw rod 801 and rotate, thereby it is close to the removal each other to drive both sides nut piece 803, nut piece 803 drives slider 804 and removes along slide rail 805 simultaneously, can guarantee the stability that nut piece 803 removed, both sides nut piece 803 is close to the removal each other and drives both sides movable plate 9, grip block 11 and limiting plate 12 are close to the removal each other, until both sides grip block 11 fixes the centre gripping to the valve, prevent in the testing process, the valve takes place the circumstances such as aversion and influence the detection, it is more accurate to make the detection to the valve, applicable in the valve of different length, and need not the manual work to valve fixed operation, time saving and labor saving, and the detection efficiency is improved. Then, the air pump 1402 is activated to discharge high-pressure air into the air outlet pipe 1403 and the hose 1404, and the high-pressure air finally enters the interior of the valve through the air inlet pipe 13. Then start first motor 502 and rotate and drive first screw rod 501 and rotate to drive both sides connecting piece 503 and be close to each other along slide bar 505 and remove, and then drive elevating platform 6 through connecting rod 504 and go up and down, and then can drive the lower valve and descend and get into in water tank 16, until completely submerging the valve, whether have the bubble to produce through observing the aquatic and detect the gas tightness of valve, bubble then the gas tightness is unqualified, bubble-free production then the gas tightness is qualified, it is simple and convenient to detect, detection efficiency is high, avoid the error nature that artifical water injection detected. Meanwhile, water can be heated by the heating block 17, so that the air tightness of the valve at different temperatures can be tested, the valve can be detected more comprehensively and accurately, and the quality of the valve leaving a factory is improved.
The electrical components are externally connected with a power supply, and the control mode is common knowledge, so that the detailed description is omitted in the specification.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.

Claims (6)

1. Valve gas tightness detection device, including two sets of supports (1), its characterized in that: the support is characterized in that a bottom plate (2) is fixedly connected to the upper end of the support (1), supporting rods (3) are fixedly connected to two sides of the upper end of the bottom plate (2), a top plate (4) is fixedly connected to the upper ends of the supporting rods (3), lifting assemblies (5) are arranged between the supporting rods (3), a lifting platform (6) is connected to the lower end of each lifting assembly (5), a moving groove (7) is formed in the lower end of the lifting platform (6), a moving assembly (8) is arranged in the lifting platform (6), moving plates (9) are symmetrically connected to the lower end of each moving assembly (8) in the left-right direction, two fixing rods (10) are fixedly connected to the inner side of each moving plate (9), a clamping plate (11) is fixedly connected to the other end of each fixing rod (10), two limiting plates (12) are arranged at the other end of each clamping plate (11), an air inlet pipe (13) is, the water tank is characterized in that two groups of support columns (15) are arranged at the upper end of the bottom plate (2), and a water tank (16) is arranged at the upper ends of the support columns (15).
2. The valve airtightness detection apparatus according to claim 1, wherein: lifting unit (5) include first screw rod (501), first screw rod (501) rotate to be connected between both sides branch (3), the right side branch (3) outer wall is provided with first motor (502), first motor (502) output rigid coupling in first screw rod (501) right-hand member, first screw rod (501) both sides screw thread revolves to opposite, first screw rod (501) bilateral symmetry spiro union has connecting piece (503), connecting piece (503) lower extreme articulates there is connecting rod (504), connecting rod (504) lower extreme articulates in elevating platform (6) upper end, both sides the rigid coupling has slide bar (505) between branch (3), slide bar (505) slide run through in two connecting piece (503).
3. The valve airtightness detection apparatus according to claim 1, wherein: remove subassembly (8) including second screw rod (801), second screw rod (801) rotate to be connected in wall about elevating platform (6), second screw rod (801) left side outer wall is provided with second motor (802), second motor (802) output rigid coupling in second screw rod (801) left end, second screw rod (801) both ends screw thread is to opposite, second screw rod (801) bilateral symmetry spiro union has nut piece (803), nut piece (803) upper end rigid coupling has slider (804), both sides slider (804) upper end sliding connection has slide rail (805), install in elevating platform (6) inner chamber upper wall slide rail (805), nut piece (803) lower extreme rigid coupling in movable plate (9) upper end.
4. The valve airtightness detection apparatus according to claim 1, wherein: air inlet assembly (14) include backup pad (1401), backup pad (1401) rigid coupling in left side branch (3) outer wall, be provided with air pump (1402) on backup pad (1401), air pump (1402) output intercommunication has outlet duct (1403), outlet duct (1403) run through left side branch (3) and communicate and have hose (1404), hose (1404) other end communicates in intake pipe (13) left end.
5. The valve airtightness detection apparatus according to claim 1, wherein: the heating device is characterized in that a plurality of heating blocks (17) are arranged at the bottom of an inner cavity of the water tank (16), a drain pipe (18) is communicated with the bottom of the water tank (16), and a valve is arranged on the drain pipe (18).
6. The valve airtightness detection apparatus according to claim 1, wherein: the equal rigid coupling in both ends has draw runner (19) about elevating platform (6), draw runner (19) other end sliding connection has guide rail (20), guide rail (20) are installed in branch (3) inner wall.
CN202021268796.6U 2020-07-01 2020-07-01 Valve air tightness detection device Active CN212110481U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113008472A (en) * 2021-03-04 2021-06-22 铜陵市宏飞科技有限公司 Valve immersion test equipment
CN113405733A (en) * 2021-06-18 2021-09-17 安徽瑞林精科股份有限公司 Car valve body gas tightness detection device
CN113514206A (en) * 2021-04-13 2021-10-19 深圳市贵庭机电设备有限公司 Fire prevention valve leaks amount of wind detection device
CN114543630A (en) * 2022-01-21 2022-05-27 北京市阀门总厂股份有限公司 Device and method for detecting deformation of valve body in ultralow-temperature environment
CN116183121A (en) * 2023-03-21 2023-05-30 浙江锋源仪表有限公司 Tightness detection device for valve production
CN116222894A (en) * 2023-04-28 2023-06-06 河北沃德阀业有限公司 Valve gas tightness water detection tool
CN116399517A (en) * 2023-06-07 2023-07-07 天津市博拿德执行器制造有限责任公司 Safety detection equipment for gas pipeline valve

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113008472A (en) * 2021-03-04 2021-06-22 铜陵市宏飞科技有限公司 Valve immersion test equipment
CN113514206A (en) * 2021-04-13 2021-10-19 深圳市贵庭机电设备有限公司 Fire prevention valve leaks amount of wind detection device
CN113514206B (en) * 2021-04-13 2024-01-26 深圳市贵庭机电设备有限公司 Fire prevention valve air leakage amount detection device
CN113405733A (en) * 2021-06-18 2021-09-17 安徽瑞林精科股份有限公司 Car valve body gas tightness detection device
CN113405733B (en) * 2021-06-18 2023-07-21 安徽瑞林精科股份有限公司 Automobile valve body air tightness detection device
CN114543630A (en) * 2022-01-21 2022-05-27 北京市阀门总厂股份有限公司 Device and method for detecting deformation of valve body in ultralow-temperature environment
CN114543630B (en) * 2022-01-21 2023-09-19 北京市阀门总厂股份有限公司 Deformation detection device and detection method of valve body in ultralow temperature environment
CN116183121A (en) * 2023-03-21 2023-05-30 浙江锋源仪表有限公司 Tightness detection device for valve production
CN116183121B (en) * 2023-03-21 2023-08-11 浙江锋源仪表有限公司 Tightness detection device for valve production
CN116222894A (en) * 2023-04-28 2023-06-06 河北沃德阀业有限公司 Valve gas tightness water detection tool
CN116399517A (en) * 2023-06-07 2023-07-07 天津市博拿德执行器制造有限责任公司 Safety detection equipment for gas pipeline valve
CN116399517B (en) * 2023-06-07 2023-08-04 天津市博拿德执行器制造有限责任公司 Safety detection equipment for gas pipeline valve

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