CN211978232U - Fire control valve body gas tightness experimental apparatus - Google Patents
Fire control valve body gas tightness experimental apparatus Download PDFInfo
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- CN211978232U CN211978232U CN202020884799.6U CN202020884799U CN211978232U CN 211978232 U CN211978232 U CN 211978232U CN 202020884799 U CN202020884799 U CN 202020884799U CN 211978232 U CN211978232 U CN 211978232U
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Abstract
The utility model belongs to the technical field of the gas tightness detects experimental facilities, a fire control valve body gas tightness experimental apparatus is provided, including the experiment water tank, the experiment water tank is provided with water inlet and delivery port, still includes: fire control valve body fixing device and air supply device, fire control valve body fixing device includes installing support, first cylinder and two positioner, air supply device includes mount pad, second cylinder, slider, screw nut structure, motor, connecting axle, second connecting seat and pipe connector. The utility model provides a fire control valve body gas tightness experimental apparatus, its application scope is wider.
Description
Technical Field
The utility model relates to an air tightness detection experiment equipment technical field, concretely relates to fire control valve body gas tightness experimental apparatus.
Background
The fire valve body is a fire valve body commonly used by various fire valves, and generally comprises a water inlet hole, a water outlet hole and a control hole. The fire valve body is usually processed by forging or casting to obtain a blank, and then the blank is cut to obtain a finished product. However, the air tightness of the fire-fighting valve body is different due to the problem of machining precision in the machining process. Therefore, it is necessary to perform a gas-tight test on it to ensure its quality.
The utility model discloses a utility model patent of bulletin CN208780406U discloses a fire control valve body gas tightness experimental apparatus, including box, experiment water tank, liquid filter equipment, liquid pump, elevating gear, sealed case lid, electric telescopic handle, fire control valve fixing device, pipe connection ware, voltage regulator, air-blower and air filter equipment. Although can effectually filter the impurity in the experimentation through setting up liquid filtering device and air filter, avoid its production to pile up, guarantee the accurate degree of experiment, guarantee the quality of product, but its fire control valve fixing device and pipe connection ware can't be adjusted at fore-and-aft relative position, have reduced this fire control valve body gas tightness experimental apparatus's application scope.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a fire control valve body gas tightness experimental apparatus to improve its application scope.
In order to realize the above-mentioned purpose, the utility model provides a fire control valve body gas tightness experimental apparatus, including the experiment water tank, the experiment water tank is provided with water inlet and delivery port, still includes: a fire-fighting valve body fixing device and an air supply device,
the fire-fighting valve body fixing device comprises a mounting bracket, a first cylinder and two positioning devices,
the mounting bracket is positioned in the experimental water tank, the bottom of the mounting bracket is fixedly connected with the bottom of the experimental water tank,
the first air cylinder is longitudinally arranged at the top of the mounting bracket and is fixedly connected with the mounting bracket,
the two positioning devices are oppositely arranged along the longitudinal direction, one of the two positioning devices is detachably connected with the power output shaft of the first air cylinder through a first connecting seat, the other one of the two positioning devices is detachably connected with the experimental water tank, a first sealing layer is arranged on one side, opposite to the two positioning devices,
the air supply device comprises a mounting seat, a second air cylinder, a sliding block, a screw nut structure, a motor, a connecting shaft, a second connecting seat and a pipeline connector,
the mounting seat is positioned at one side of the fire-fighting valve body fixing device, is fixedly connected with the experimental water tank and is positioned in the experimental water tank,
the second cylinder is transversely arranged in the mounting seat and can slide in the mounting seat along the longitudinal direction,
the slide block is arranged in the mounting seat in a sliding manner and is fixedly connected with a power output shaft of the second cylinder,
the nut of the screw-nut structure is arranged in the sliding block and can slide in the sliding block along the power transmission direction of the second cylinder, the screw of the screw-nut structure is longitudinally arranged and is rotationally connected with the sliding block, the experimental water tank and the mounting seat,
the motor is fixedly arranged at the top of the mounting seat, a power output shaft of the motor is connected with a power input end of a lead screw of the lead screw nut structure,
the connecting shaft is arranged along the transverse direction, one end of the connecting shaft is fixedly connected with the sliding block, the other end of the connecting shaft extends towards the direction close to the fire-fighting valve body fixing device,
the second connecting seat is fixedly connected with the other end of the connecting shaft, the pipeline connector is detachably connected with the second connecting seat and is communicated with an air inlet system through an air inlet pipeline, and a second sealing layer is arranged on one side, facing the fire-fighting valve body fixing device, of the pipeline connector.
Further, the positioning device comprises a positioning shaft, a plurality of positioning claws, a plurality of guide rods and a plurality of return springs,
the positioning shaft is in a step shape, the plurality of positioning claws are arranged at one end with smaller diameter of the positioning shaft and are evenly distributed around the axis line of the positioning shaft, one end of each positioning claw is connected with the positioning shaft in a sliding way, the other end of each positioning claw extends reversely along the axis line deviating from the positioning shaft,
the guide rods correspond to the positioning claws one by one, one end of each guide rod is fixedly connected with the positioning shaft, the other end of each guide rod extends reversely along the axial lead deviating from the positioning shaft and is connected with the positioning claws in a sliding way,
the plurality of reset bullets correspond to the plurality of guide rods one by one and are respectively sleeved on the plurality of guide rods, two ends of the reset bullets are respectively abutted against the positioning claws and the positioning shafts,
the first sealing layer is arranged on the end face of one side, facing the positioning claw, of the end with the larger diameter of the positioning shaft.
Furthermore, the water inlet is communicated with a water inlet pipeline, a first water valve, a water body filter and a water pump are arranged on the water inlet pipeline, the water outlet is communicated with a water outlet pipeline, and a second water valve is arranged on the water outlet pipeline.
The utility model has the advantages that:
the utility model provides a fire control valve body gas tightness experimental apparatus is through setting up fire control valve body fixing device and air supply device to carry out the gas tightness experiment. And the longitudinal position of the air supply device is adjustable, so that air tightness tests can be carried out on valve bodies of different specifications, and the application range of the device is further widened. Simultaneously, its positioner and pipe connection ware are the detachable connection, can select suitable positioner and pipe connection ware according to the actual conditions of fire control valve body to the application scope of device has further been improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a perspective view of a fire valve body airtightness testing apparatus according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is an enlarged view at B shown in fig. 2.
Reference numerals:
100-experimental water tank, 110-water inlet, 120-water outlet, 130-water inlet pipeline, 131-first water valve, 132-water filter, 133-water pump, 140-water outlet pipeline, 141-second water valve, 200-fire valve body fixing device, 210-mounting bracket, 220-first air cylinder, 230-positioning device, 231-positioning shaft, 232-positioning claw, 233-guide rod, 234-reset spring, 240-first connecting seat, 250-first sealing layer, 300-air supply device, 310-mounting seat, 311-first chute, 320-second air cylinder, 330-slide block, 331-second chute, 340-lead screw nut structure, 341-nut, 342-lead screw, 343-driven bevel gear, 350-motor, 351-drive bevel gear 360-connecting shaft, 370-second connecting seat, 380-pipeline connector, 390-second sealing layer, 301-air inlet pipeline and 400-fire-fighting valve body.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience of description and 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 therefore not to be considered limiting.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1-3, the utility model provides a fire control valve body gas tightness experimental apparatus, including experiment water tank 100, experiment water tank 100 is provided with water inlet 110 and delivery port 120.
The experimental apparatus further comprises: a fire valve body fixture 200 and an air supply device 300.
The fire valve body fixture 200 includes a mounting bracket 210, a first cylinder 220, and two positioning devices 230.
The mounting bracket 210 is located in the experimental water tank 100, and the bottom thereof is fixedly connected with the bottom of the experimental water tank 100.
The first cylinder 220 is longitudinally located at the top of the mounting bracket 210 and is fixedly connected to the mounting bracket 210. Specifically, the cylinder body of the first cylinder 220 is fixedly connected to the mounting bracket 210, and the power output shaft extends downward.
The two positioning devices 230 are oppositely arranged along the longitudinal direction, and one of the two positioning devices 230 is detachably connected with the power output shaft of the first cylinder 220 through the first connecting seat 240. Specifically, the first connection seat 240 is fixedly connected to the power output shaft of the first cylinder 220, and the positioning device 230 is detachably connected to the first connection seat 240. The other of the two positioning devices 230 is detachably connected to the experimental water tank 100. The first sealing layer 250 is disposed on the opposite side of the two positioning devices 230 for maintaining a seal between the positioning devices 230 and the fire valve body 400.
The air supply device 300 includes a mounting seat 310, a second air cylinder 320, a slider 330, a lead screw nut structure 340, a motor 350, a connecting shaft 360, a second connecting seat 370, and a pipe connector 380.
The mounting seat 310 is located at one side of the fire valve body fixing device 200, is fixedly connected with the experimental water tank 100, and is located in the experimental water tank 100.
The second cylinder 320 is transversely installed in the mount 310 and is slidable in the mount 310 in a longitudinal direction. Specifically, a first sliding groove 311 is formed in the mounting seat 310, the first sliding groove 311 is stepped, and one end of the cylinder body of the second cylinder 320 is slidably mounted in the first sliding groove 311. Thus, the second cylinder 320 can slide only in the longitudinal direction and not in the lateral direction.
The sliding block 330 is slidably installed in the mounting seat 310 and is fixedly connected with the power output shaft of the second cylinder 320.
The nut 341 of the screw nut structure 340 is installed in the sliding block 330 and can slide in the sliding block 330 along the power transmission direction of the second cylinder 320, and the screw 342 of the screw nut structure 340 is longitudinally arranged and is rotatably connected with the sliding block 330, the experimental water tank 100 and the mounting seat 310. Specifically, a second sliding groove 331 is formed in the sliding block 330, the second sliding groove 331 is in a step shape with a large middle step and small two sides, and the nut 341 is slidably disposed on a larger portion of the groove body of the second sliding groove 331, so that the nut 341 can only laterally slide in the sliding block 330, and when the nut 341 ascends or descends, the sliding block 330 can be carried along.
The motor 350 is fixedly disposed on the top of the mounting seat 310, and a power output shaft thereof is connected to a power input end of the lead screw 342 of the lead screw nut structure 340. Specifically, a driving bevel gear 351 is fixedly arranged on a power output shaft of the motor 350, and a driven bevel gear 343 is arranged on the top of the lead screw 342. The drive bevel gear 351 is engaged with the driven bevel gear 343.
The connecting shaft 360 is transversely disposed, and has one end fixedly connected to the slider 330 and the other end extending in a direction close to the fire valve body fixing device 200.
The second coupling seat 370 is fixedly coupled to an end of the coupling shaft 360 adjacent to the fire valve body fixing device 200, the pipe connector 380 is detachably coupled to the second coupling seat 370, and the pipe connector 380 is communicated with an intake system (not shown in the drawings) through the intake pipe 301. The side of the pipe connector 380 facing the fire valve body fixture 200 is provided with a second seal 390 for maintaining the pipe connector 380 sealed to the fire valve body 400.
The fire valve body 400 is detachably connected to the second connecting port 370, so that a suitable pipe connector 380 can be selected according to actual needs to improve the adaptability of the device.
In one embodiment, the positioning device 230 includes a positioning shaft 231, a plurality of positioning pawls 232, a plurality of guide rods 233, and a plurality of return springs 234.
The positioning shaft 231 is in a step shape, the plurality of positioning claws 232 are located at one end of the positioning shaft 231 with a smaller diameter and are evenly distributed around the axis line of the positioning shaft 231, one end of each positioning claw 232 is connected with the positioning shaft 231 in a sliding mode, and the other end of each positioning claw 232 extends reversely along the axis line away from the positioning shaft 231.
The plurality of guide rods 233 correspond to the plurality of positioning claws 232 one to one, and one end thereof is fixedly connected to the positioning shaft 231, and the other end thereof extends in the opposite direction along the axial line away from the positioning shaft 231 and is slidably connected to the positioning claws 232. Preferably, a side of the positioning pawl 232 remote from the end of the positioning shaft 231 having the larger diameter is provided with a slope at an end of the positioning pawl 232 remote from the axial line of the positioning shaft 231.
The plurality of reset springs are in one-to-one correspondence with the plurality of guide rods 233 and are respectively sleeved on the plurality of guide rods 233, and both ends of the plurality of reset springs are respectively fixedly connected with the positioning claws 232 and the positioning shaft 231.
The first seal layer 250 is provided on an end surface of the larger diameter end of the positioning shaft 231 on the side facing the positioning pawl 232.
Specifically, the smaller diameter end of the positioning shaft 231 is provided with a plurality of third sliding grooves and is in one-to-one correspondence with the plurality of positioning claws 232, one end of each positioning claw 232 is slidably disposed in each third sliding groove, and the other end of each positioning claw 232 extends in the direction away from the axis line of the positioning shaft 231. The guide rod 233 is disposed in the third slide groove and slidably connected to the positioning pawl 232. The return spring 234 is sleeved on the guide rod 233, and both ends of the return spring 234 are respectively fixedly connected with the positioning pawl 232 and the positioning shaft 231, and the return spring 234 bears pressure in a natural state to maintain the stress of the positioning pawl 232 moving in a direction away from the axial lead of the positioning shaft 231.
Thus, the positioning claw 232 can keep the same axial lead of the fire valve body 400 and the positioning shaft 231, and can position the fire valve bodies 400 with different sizes.
In one embodiment, the water inlet 110 is connected to the water inlet pipe 130, the water inlet pipe 130 is provided with a first water valve 131, a water filter 132 and a water pump 133, the water outlet 120 is connected to the water outlet pipe 140, and the water outlet pipe 140 is provided with a second water valve 141. Therefore, when the water tank is used, impurities in water can be prevented from entering the experiment water tank 100, and the experiment effect is prevented from being influenced by the impurities.
The working principle of the utility model is as follows:
before use, the first water valve 131 is opened, the second water valve 141 is closed, and the test water tank 100 is filled with water.
In use, one of the water inlet, water outlet and control ports of the fire valve body 400 is first placed over the positioning device 230 mounted on the experimental water tank 100, at which time the positioning pawl 232 is positioned within the fire valve body 400 and the side port is aligned with the direction of the pipe connector 380. Then, the first cylinder 220 is started, the first cylinder 220 expands and contracts and carries another positioning device 230 to descend until the positioning claw 232 on the first cylinder is positioned in the hole on the upper surface of the fire valve body 400, and the upper end and the lower end of the fire valve body 400 are kept sealed with the first sealing layer 250. The first cylinder 220 is stopped.
Then, the motor 350 is started to enable the motor 350 to drive the screw 342 of the screw nut structure 340 to rotate, so that the nut 341 is driven to move up and down, the nut 341 drives the sliding block 330 to move up and down, and the sliding block 330 drives the pipeline connector to move up and down until the pipeline connector 380 corresponds to a hole in the side face of the fire valve body 400. The motor 350 is stopped.
The second cylinder 320 is then activated and the second cylinder 320 is extended bringing the connector to move closer to the fire valve body 400 and to connect with and remain sealed to the side bore of the fire valve body 400. The second cylinder 320 is stopped.
Then the air intake system is opened, the fire valve body 400 is inflated, whether bubbles exist around the fire valve body or not is observed, if the bubbles exist, the air tightness is not good, and if the bubbles do not exist, the air tightness is good.
Thus, the air tightness test of the valve body is completed.
In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (3)
1. The utility model provides a fire control valve body gas tightness experimental apparatus, includes the experiment water tank, the experiment water tank is provided with water inlet and delivery port, its characterized in that: further comprising: a fire-fighting valve body fixing device and an air supply device,
the fire-fighting valve body fixing device comprises a mounting bracket, a first cylinder and two positioning devices,
the mounting bracket is positioned in the experimental water tank, the bottom of the mounting bracket is fixedly connected with the bottom of the experimental water tank,
the first air cylinder is longitudinally arranged at the top of the mounting bracket and is fixedly connected with the mounting bracket,
the two positioning devices are oppositely arranged along the longitudinal direction, one of the two positioning devices is detachably connected with the power output shaft of the first air cylinder through a first connecting seat, the other one of the two positioning devices is detachably connected with the experimental water tank, a first sealing layer is arranged on one side, opposite to the two positioning devices,
the air supply device comprises a mounting seat, a second air cylinder, a sliding block, a screw nut structure, a motor, a connecting shaft, a second connecting seat and a pipeline connector,
the mounting seat is positioned at one side of the fire-fighting valve body fixing device, is fixedly connected with the experimental water tank and is positioned in the experimental water tank,
the second cylinder is transversely arranged in the mounting seat and can slide in the mounting seat along the longitudinal direction,
the slide block is arranged in the mounting seat in a sliding manner and is fixedly connected with a power output shaft of the second cylinder,
the nut of the screw-nut structure is arranged in the sliding block and can slide in the sliding block along the power transmission direction of the second cylinder, the screw of the screw-nut structure is longitudinally arranged and is rotationally connected with the sliding block, the experimental water tank and the mounting seat,
the motor is fixedly arranged at the top of the mounting seat, a power output shaft of the motor is connected with a power input end of a lead screw of the lead screw nut structure,
the connecting shaft is arranged along the transverse direction, one end of the connecting shaft is fixedly connected with the sliding block, the other end of the connecting shaft extends towards the direction close to the fire-fighting valve body fixing device,
the second connecting seat is fixedly connected with the other end of the connecting shaft, the pipeline connector is detachably connected with the second connecting seat and is communicated with an air inlet system through an air inlet pipeline, and a second sealing layer is arranged on one side, facing the fire-fighting valve body fixing device, of the pipeline connector.
2. The fire valve body airtightness testing apparatus according to claim 1, wherein: the positioning device comprises a positioning shaft, a plurality of positioning claws, a plurality of guide rods and a plurality of return springs,
the positioning shaft is in a step shape, the plurality of positioning claws are arranged at one end with smaller diameter of the positioning shaft and are evenly distributed around the axis line of the positioning shaft, one end of each positioning claw is connected with the positioning shaft in a sliding way, the other end of each positioning claw extends reversely along the axis line deviating from the positioning shaft,
the guide rods correspond to the positioning claws one by one, one end of each guide rod is fixedly connected with the positioning shaft, the other end of each guide rod extends reversely along the axial lead deviating from the positioning shaft and is connected with the positioning claws in a sliding way,
the plurality of reset bullets correspond to the plurality of guide rods one by one and are respectively sleeved on the plurality of guide rods, two ends of the reset bullets are respectively abutted against the positioning claws and the positioning shafts,
the first sealing layer is arranged on the end face of one side, facing the positioning claw, of the end with the larger diameter of the positioning shaft.
3. The fire valve body airtightness testing apparatus according to claim 1, wherein: the water inlet is communicated with a water inlet pipeline, a first water valve, a water body filter and a water pump are arranged on the water inlet pipeline, the water outlet is communicated with a water outlet pipeline, and a second water valve is arranged on the water outlet pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020884799.6U CN211978232U (en) | 2020-05-22 | 2020-05-22 | Fire control valve body gas tightness experimental apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020884799.6U CN211978232U (en) | 2020-05-22 | 2020-05-22 | Fire control valve body gas tightness experimental apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211978232U true CN211978232U (en) | 2020-11-20 |
Family
ID=73371240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020884799.6U Expired - Fee Related CN211978232U (en) | 2020-05-22 | 2020-05-22 | Fire control valve body gas tightness experimental apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211978232U (en) |
-
2020
- 2020-05-22 CN CN202020884799.6U patent/CN211978232U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201120 |