CN214748708U - Fire hydrant valve rod leakproofness detection device - Google Patents
Fire hydrant valve rod leakproofness detection device Download PDFInfo
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- CN214748708U CN214748708U CN202120241230.2U CN202120241230U CN214748708U CN 214748708 U CN214748708 U CN 214748708U CN 202120241230 U CN202120241230 U CN 202120241230U CN 214748708 U CN214748708 U CN 214748708U
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- valve rod
- fixedly connected
- fire hydrant
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- 238000001514 detection method Methods 0.000 title claims abstract description 50
- 230000002146 bilateral effect Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 230000002457 bidirectional effect Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009530 blood pressure measurement Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a fire hydrant valve rod leakproofness detection device, the utility model relates to a valve rod technical field, including workstation, valve rod body and detection mechanism, the upside bilateral symmetry of workstation is provided with the montant, sliding connection has the diaphragm between the montant, the valve rod body is located the below of diaphragm and fixes through the centre gripping subassembly that sets up in the diaphragm downside, the outstanding sealed piece of downside fixedly connected with of diaphragm, the inner circle fixedly connected with rubber seal of outstanding sealed piece, the diaphragm passes through its lift of drive assembly drive, the downside bilateral symmetry of workstation is provided with the landing leg rather than fixed connection, detection mechanism including set up between the landing leg and with the downside fixed connection's of workstation work box. The utility model discloses a detection mechanism that sets up can be convenient detect the gas tightness of valve rod body, simple structure, convenient operation, convenient to use.
Description
Technical Field
The utility model relates to a valve rod technical field especially relates to a fire hydrant valve rod leakproofness detection device.
Background
The valve rod is an important part of the valve and is used for transmission, an actuating mechanism or a handle is connected to the valve rod, and the valve rod directly drives the valve core to move or rotate below the actuating mechanism or the handle so as to realize the opening and closing or adjusting function of the valve; the valve rod is an important component of the fire hydrant, the sealing performance of the valve rod needs to be detected after the valve rod is machined, and the existing sealing performance detection device on the market has the defects of complex structure, large volume and high price.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a fire hydrant valve rod sealing performance detection device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a fire hydrant valve rod sealing performance detection device comprises a workbench, a valve rod body and a detection mechanism, wherein vertical rods are symmetrically arranged on the upper side of the workbench in a bilateral mode, a transverse plate is slidably connected between the vertical rods, the valve rod body is located below the transverse plate and is fixed through a clamping assembly arranged on the lower side of the transverse plate, a protruding sealing block is fixedly connected to the lower side of the transverse plate, a rubber sealing ring is fixedly connected to the inner ring of the protruding sealing block, the transverse plate is driven to ascend and descend through a driving assembly, supporting legs fixedly connected with the lower side of the workbench are symmetrically arranged on the lower side of the workbench in the bilateral mode, the detection mechanism comprises a working box which is arranged between the supporting legs and fixedly connected with the lower side of the workbench, the working box is sequentially divided into an airtight cavity, a detection cavity and a pressurization cavity from left to right through a partition plate, and a through groove matched with the protruding sealing block is formed in the workbench right facing the detection cavity, be provided with pressure detector in the airtight intracavity, be provided with the air pump in the pressurization intracavity, the air pump is through setting up the controller control in the workstation upside, air pump and pressure detector are connected with the clamping ring through the connecting pipe that runs through the baffle, be provided with control flap in the connecting pipe, the clamping ring has the connector through hose connection, the downside fixedly connected with water tank of work box is annotated in the water tank and is had water, is provided with the water pump in the water tank, the output of water pump is through outlet pipe and detection chamber intercommunication.
As a further aspect of the present invention: the inner wall of the working box positioned at the lower side of the detection cavity is arc-shaped.
As a further aspect of the present invention: drive assembly is including being located montant upper end and rather than fixed connection's first horizontal pole, the well swivelling joint of first horizontal pole has two-way threaded rod, and the upper end of first horizontal pole is provided with driving motor, pass through the conveyer belt transmission between driving motor's output and the two-way threaded rod, bilateral symmetry is provided with the screw thread slider rather than threaded connection on the two-way threaded rod, and the downside of screw thread slider articulates there is the pendulum rod, and the one end that the screw thread slider was kept away from to the pendulum rod is articulated with the diaphragm, driving motor passes through controller control.
As a further aspect of the present invention: the centre gripping subassembly including set up in outstanding sealed piece and with diaphragm fixed connection second montant, the quantity of second montant is two and bilateral symmetry setting, it is provided with the arc cardboard with the symmetry to control between the second montant, one side that the arc cardboard is close to the second montant is passed through the telescopic link and is connected with the second montant, the arc cardboard is close to one side middle part rotation connecting threaded rod of second montant, the threaded rod run through the second montant and rather than threaded connection.
As a further aspect of the present invention: the inner wall of one side opposite to the arc-shaped clamping plate is fixedly connected with a rubber pad.
The utility model has the advantages that:
through the arranged detection mechanism, firstly, the air tightness in the detection cavity is detected when the detection mechanism is used, the transverse plate is driven to descend through the driving assembly, so that the protruding sealing block and the workbench which penetrates through the periphery of the groove are overlapped, at the moment, the rubber sealing ring is mutually attached to the workbench, a sealed cavity can be formed in the detection cavity, at the moment, the air pump is controlled by the controller to pressurize the detection cavity, so that the pressure intensity in the detection cavity is greater than the external pressure intensity, the pressurization is stopped after the pressure detector has obvious change, the pressure detector is observed, if no obvious change exists after a period of time, the air tightness of the detection device is good, then, the transverse plate is driven to ascend through the driving assembly, the two sides of the valve rod body are sealed through the connectors and are respectively connected with the pressure detector and the air pump, the transverse plate descends through the driving assembly, so that the valve rod body descends and is positioned in the detection cavity, make, at this moment through controller control water pump to detecting intracavity drainage, start through controller control air pump this moment, pressurize in the valve rod body, it stops the pressurization to have obvious change at pressure measurement appearance, survey pressure measurement table index change afterwards, can survey simultaneously and detect whether there is the bubble to produce in the intracavity, if the bubble produces or pressure variation then the valve rod body gas tightness is unqualified, if do not all change then the valve rod body gas tightness is good, can be convenient the gas tightness to the valve rod body detect through the detection mechanism who sets up, moreover, the steam generator is simple in structure, and convenient for use.
Drawings
FIG. 1 is a schematic diagram of the general structure of a device for detecting the sealing performance of a valve rod of a fire hydrant;
FIG. 2 is a bottom view of a fire hydrant valve rod tightness detection device at the position A;
fig. 3 is a schematic structural view of a clamping assembly of a device for detecting the sealing performance of a valve rod of a fire hydrant.
In the figure: 1 workstation, 11 valve rod bodies, 12 controller, 2 workbins, 3 airtight chambeies, 4 detection chambeies, 41 control valves, 42 connecting rings, 43 hose, 44 second valve, 45 water tanks, 46 connectors, 5 pressurization chamber, 6 landing legs, 7 two-way threaded rod, 71 montant, 72 diaphragm, 73 screw slider, 74 driving motor, 75 pendulum rod, 8 second montant, 81 threaded rod, 82 telescopic link, 83 arc cardboard, 9 outstanding sealing block, 91 rubber seal.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1-2, a fire hydrant valve rod leakproofness detection device, including workstation 1, valve rod body 11 and detection mechanism, the upside bilateral symmetry of workstation 1 is provided with montant 71, sliding connection has diaphragm 72 between montant 71, valve rod body 11 is located the below of diaphragm 72 and fixes through the centre gripping subassembly that sets up in diaphragm 72 downside, the outstanding sealing block 9 of downside fixedly connected with of diaphragm 72, the inner circle fixedly connected with rubber seal 91 of outstanding sealing block 9, diaphragm 72 drives its lift through drive assembly, the downside bilateral symmetry of workstation 1 is provided with rather than fixedly connected's landing leg 6, detection mechanism is including setting up between landing leg 6 and with workstation 1's downside fixed connection's workstation 2, workstation 2 is cut apart into airtight chamber 3, from a left side to a right side in proper order through the baffle, The detection device comprises a detection cavity 4 and a pressurization cavity 5, wherein a through groove matched with a protruding sealing block 9 is formed in a workbench 1 opposite to the detection cavity 4, a pressure detector is arranged in an airtight cavity 3, an air pump is arranged in the pressurization cavity 5 and controlled by a controller 12 arranged on the upper side of the workbench 1, the air pump and the pressure detector are connected with a connecting ring 42 through a connecting pipe penetrating a partition plate, a control valve 41 is arranged in the connecting pipe, the connecting ring 42 is connected with a connector 46 through a hose 43, a water tank 45 is fixedly connected to the lower side of the workbench 2, water is filled in the water tank 45, a water pump is arranged in the water tank 45, and the output end of the water pump is communicated with the detection cavity 4 through a water outlet pipe; the working principle is as follows: when the detection device is used, firstly, the air tightness in the detection cavity 4 is detected, the transverse plate 72 is driven to descend by the driving assembly, so that the protruded sealing block 9 is overlapped with the workbench 1 at the periphery of the through groove, at the moment, the rubber sealing ring 91 is attached to the workbench 1, a sealed cavity can be formed in the detection cavity 4, at the moment, the air pump is controlled by the controller 12 to pressurize the detection cavity 4, so that the internal pressure of the detection cavity 4 is greater than the external pressure, the pressurization is stopped after the pressure detector has obvious change, the pressure detector is observed, if no obvious change exists after a period of time, the air tightness of the detection device is good, then the transverse plate 72 is driven to ascend by the driving assembly, the two sides of the valve rod body 11 are sealed by the connectors 46 and are respectively connected with the pressure detector and the air pump, the transverse plate 72 descends by the driving assembly, so that the valve rod body 11 is positioned in the detection cavity 4, make, at this moment, through controller 12 control water pump to detecting intracavity 4 internal drainage, at this moment, start through controller 12 control air pump, pressurize in valve rod body 11, it stops the pressurization to have obvious change at pressure measurement appearance, survey pressure measurement table index change afterwards, whether can observe simultaneously and detect whether there is the bubble to produce in the chamber 4, if the bubble produces or pressure change then valve rod body 11 gas tightness is unqualified, if do not all change then valve rod body 11 gas tightness is good, can be convenient detect valve rod body 11's gas tightness through the detection mechanism who sets up, moreover, the steam generator is simple in structure, and the operation is convenient for use.
Further, the inner wall of the working box 2 at the lower side of the detection cavity 4 is arc-shaped, and the middle part of the working box is provided with a second valve 44, so that water entering the detection cavity 4 can be recycled.
Example 2
Referring to fig. 1-3, a fire hydrant valve rod tightness detecting device, in this embodiment, a driving assembly mentioned in embodiment 1 is described in detail, where the driving assembly includes a first cross rod located at an upper end of a vertical rod 71 and fixedly connected to the vertical rod, a bidirectional threaded rod 7 is rotatably connected to the first cross rod, a driving motor 74 is disposed at an upper end of the first cross rod, an output end of the driving motor 74 and the bidirectional threaded rod 7 are driven by a conveyor belt, threaded sliders 73 in threaded connection with the bidirectional threaded rod 7 are symmetrically disposed on the bidirectional threaded rod 7 from left to right, swing rods 75 are hinged to lower sides of the threaded sliders 73, one end of each swing rod 75, which is far away from the threaded slider 73, is hinged to a transverse plate 72, and the driving motor 74 is controlled by a controller 12; the working principle is as follows: in use, the controller 12 controls the driving motor 74 to rotate, so that the threaded slider 73 moves on the bidirectional threaded rod 7 in the opposite direction, and the transverse plate 72 is driven to lift by the swinging rod 75.
Furthermore, the clamping assembly comprises two second vertical rods 8 which are arranged on the protruding sealing block 9 and fixedly connected with the transverse plate 72, the second vertical rods 8 are arranged in bilateral symmetry, arc-shaped clamping plates 83 are arranged between the second vertical rods 8 in bilateral and symmetrical mode, one sides, close to the second vertical rods 8, of the arc-shaped clamping plates 83 are connected with the second vertical rods 8 through telescopic rods 82, the telescopic rods 82 play a role in positioning the arc-shaped clamping plates 83, threaded rods 81 are rotatably connected to the middles of the sides, close to the second vertical rods 8, of the arc-shaped clamping plates 83, and the threaded rods 81 penetrate through the second vertical rods 8 and are in threaded connection with the second vertical rods 8; the working principle is as follows: during the use with valve rod body 11 place between arc cardboard 83, drive arc cardboard 83 motion through rotating threaded rod 81, make it be close to each other and carry out the centre gripping with valve rod body 11, make it obtain fixedly.
Furthermore, a rubber pad is fixedly connected to the inner wall of the side, opposite to the arc-shaped clamping plate 83, so that the valve rod body 11 is protected when clamped, and the surface of the valve rod body is prevented from being damaged.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The fire hydrant valve rod tightness detection device comprises a workbench (1), a valve rod body (11) and a detection mechanism, and is characterized in that vertical rods (71) are arranged on the upper side of the workbench (1) in a bilateral symmetry manner, transverse plates (72) are connected between the vertical rods (71) in a sliding manner, the valve rod body (11) is located below the transverse plates (72) and is fixed through clamping components arranged on the lower side of the transverse plates (72), protruding sealing blocks (9) are fixedly connected to the lower side of the transverse plates (72), rubber sealing rings (91) are fixedly connected to inner rings of the protruding sealing blocks (9), the transverse plates (72) are driven to ascend and descend through driving components, supporting legs (6) fixedly connected with the supporting legs are arranged on the lower side of the workbench (1) in a bilateral symmetry manner, the detection mechanism comprises a working box (2) which is arranged between the supporting legs (6) and is fixedly connected with the lower side of the workbench (1), the working box (2) is sequentially divided into an airtight cavity (3), a detection cavity (4) and a pressurization cavity (5) from left to right through a partition plate, a through groove matched with the protruding sealing block (9) is arranged on the worktable (1) opposite to the detection cavity (4), a pressure detector is arranged in the airtight cavity (3), an air pump is arranged in the pressurization cavity (5), the air pump is controlled by a controller (12) arranged on the upper side of the workbench (1), the air pump and the pressure detector are connected with a connecting ring (42) through a connecting pipe penetrating through the clapboard, a control valve (41) is arranged in the connecting pipe, the connecting ring (42) is connected with a connector (46) through a hose (43), the lower side of the working box (2) is fixedly connected with a water tank (45), water is injected into the water tank (45), a water pump is arranged in the water tank (45), and the output end of the water pump is communicated with the detection cavity (4) through a water outlet pipe.
2. A fire hydrant valve stem tightness testing device according to claim 1, characterized in that the inner wall of the working chamber (2) at the lower side of the testing chamber (4) is arc-shaped.
3. A fire hydrant valve rod tightness detecting device according to claim 1, characterized in that the driving assembly comprises a first cross rod which is located at the upper end of a vertical rod (71) and is fixedly connected with the vertical rod, a bidirectional threaded rod (7) is rotatably connected to the middle of the first cross rod, a driving motor (74) is arranged at the upper end of the first cross rod, the output end of the driving motor (74) and the bidirectional threaded rod (7) are in transmission through a conveyor belt, threaded sliders (73) in threaded connection with the bidirectional threaded rod (7) are symmetrically arranged on the bidirectional threaded rod (7), a swing rod (75) is hinged to the lower side of the threaded sliders (73), one end, away from the threaded sliders (73), of the swing rod (75) is hinged to a transverse plate (72), and the driving motor (74) is controlled by a controller (12).
4. A fire hydrant valve rod tightness detecting device according to claim 1, characterized in that the clamping assembly comprises two second vertical rods (8) which are arranged on the protruding sealing block (9) and fixedly connected with the transverse plate (72), the second vertical rods (8) are symmetrically arranged left and right, arc-shaped clamping plates (83) are symmetrically arranged between the second vertical rods (8) left and right, one side of each arc-shaped clamping plate (83) close to the second vertical rod (8) is connected with the second vertical rod (8) through a telescopic rod (82), the middle part of one side of each arc-shaped clamping plate (83) close to the second vertical rod (8) is rotatably connected with a threaded rod (81), and the threaded rod (81) penetrates through the second vertical rod (8) and is in threaded connection with the second vertical rod.
5. A fire hydrant valve rod tightness testing device according to claim 4, characterized in that a rubber pad is fixedly connected to the inner wall of the side opposite to the arc-shaped clamping plate (83).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120241230.2U CN214748708U (en) | 2021-01-28 | 2021-01-28 | Fire hydrant valve rod leakproofness detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120241230.2U CN214748708U (en) | 2021-01-28 | 2021-01-28 | Fire hydrant valve rod leakproofness detection device |
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| CN214748708U true CN214748708U (en) | 2021-11-16 |
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| CN202120241230.2U Active CN214748708U (en) | 2021-01-28 | 2021-01-28 | Fire hydrant valve rod leakproofness detection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114720058A (en) * | 2022-03-29 | 2022-07-08 | 浙江万丰摩轮有限公司 | Variable speed formula electricity motor housing chamber gas tightness testing arrangement that rubs |
| CN114791337A (en) * | 2022-03-15 | 2022-07-26 | 广东鸿泰南通精机科技有限公司 | Aluminum alloy die-casting air tightness detection sealing structure |
| CN117030130A (en) * | 2023-07-04 | 2023-11-10 | 南通星辰光学仪器有限公司 | Quick detection tool for sighting telescope |
-
2021
- 2021-01-28 CN CN202120241230.2U patent/CN214748708U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114791337A (en) * | 2022-03-15 | 2022-07-26 | 广东鸿泰南通精机科技有限公司 | Aluminum alloy die-casting air tightness detection sealing structure |
| CN114791337B (en) * | 2022-03-15 | 2023-04-14 | 广东鸿泰南通精机科技有限公司 | Aluminum Alloy Die Casting Airtight Testing and Sealing Structure |
| CN114720058A (en) * | 2022-03-29 | 2022-07-08 | 浙江万丰摩轮有限公司 | Variable speed formula electricity motor housing chamber gas tightness testing arrangement that rubs |
| CN114720058B (en) * | 2022-03-29 | 2024-03-22 | 浙江万丰摩轮有限公司 | Variable speed type electric motor shell cavity gas tightness testing arrangement |
| CN117030130A (en) * | 2023-07-04 | 2023-11-10 | 南通星辰光学仪器有限公司 | Quick detection tool for sighting telescope |
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