CN207816526U - A kind of valve seal detection device - Google Patents

Abstract

The utility model discloses a kind of valve seal detection devices,Solve the problems, such as that detection device efficiency is low,Its key points of the technical solution are that valve seal detection device,Including sink,Lifting assembly,Fixation kit and pressurising component,Lifting assembly includes that can rotate the mounting bracket of sinking to sink,Fixation kit includes being fixed on ejection cylinder on mounting bracket and supporting plate,Ejection cylinder includes ejection room and backhaul chamber,Pressurising component includes the pressurising head with ejection cylinder ejector and recycling,Valve seal detection device further includes gas control component,Gas control component includes the microswitch of the air valve and the outlet switching of control air valve that connect air pump,Air valve includes the first gas outlet and the second gas outlet,First gas outlet is connected to respectively at ejection room with air-filled pore,Second gas outlet is connected to backhaul chamber,Mounting bracket includes compressing arm,Sink is sunk to or is lifted away from mounting bracket rotation,It compresses arm and corresponds to and unclamp or contradict microswitch,Thus valve lifts,Fixed progress synchronous with pressurising,Improve detection efficiency.

Description

A kind of valve seal detection device

Technical field

The utility model is related to valve seal detection field, more particularly to a kind of valve seal detection device.

Background technology

Each is required to carry out a series of performance detection before manufacture valve products, is examined including valve seal It surveys, is currently used for the device of detection valve tightness, such as Chinese patent " a kind of detection copper that notification number is CN206330710U Ball valve leakproofness and casing rigidity Detecting data ", including lifting platform, be set to lifting platform detection device and driving rise Drop platform is moved up and down to pass in and out the vertical actuator of the water surface；Detection device includes being fixedly installed on the first seal receptacle of lifting platform, With the second seal receptacle for being connected to laterally driven part driving end, laterally driven part pushes away the second seal receptacle to the first seal receptacle direction Top is to be clamped and seal copper ball valve；First seal receptacle is further opened with the blow vent for being connected to external inflation equipment, with to copper Forced air is filled in Ball valve.Detection copper ball valve tightness and casing rigidity Detecting data should match unification and be loaded with water Sink use.

Disadvantage is that the Detecting data compresses the detection of valve according to the first seal receptacle and the second seal receptacle The underwater that fixed valve, blow vent ventilation and vertical actuator driving lifting platform immerse sink with movable valve carries out successively, Its detection time is long, and efficiency is low.

Utility model content

The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of valve seal detection device, detection It is efficient.

The above-mentioned technical purpose of the utility model technical scheme is that：

A kind of valve seal detection device, including sink, the lifting assembly on sink, fixation kit and pressurising group Part, the lifting assembly include the shaft being rotationally connected in sink opening and the mounting bracket that is fixed on shaft, the fixation Component includes being fixed on mounting bracket and orthogonal ejection cylinder and supporting plate, and the ejection cylinder includes ejection room and returns Journey room, the pressurising component include the pressurising head that plate one end is supported mounted on the piston rod direction of ejection cylinder, the pressurising head Air-filled pore is carried towards plate side is supported, the valve seal detection device further includes gas control component, and the gas control component includes Air valve, microswitch and gas-distributing pipe, the air valve include air inlet, the first gas outlet and the second gas outlet, the air inlet with Air pump is connected to, and first gas outlet be connected to respectively at ejection room with air-filled pore by gas-distributing pipe, second gas outlet with time Journey room is connected to, and the mounting bracket includes compressing arm, and when the mounting bracket rotation sinks to or is lifted away from sink, the arm that compresses corresponds to pine Open or contradict microswitch, the switching between microswitch control first gas outlet of air valve and the second gas outlet.

By using above-mentioned technical proposal, when mounting bracket is lifted away from sink, press block compresses microswitch, and compressed air is passed through In backhaul chamber, the piston rod contracting of ejection cylinder is inside it；Mounting bracket is moved by shaft rotation of shaft, while one end of valve being against Support on plate, dropped to close to the sink water surface with valve, press block is detached with microswitch, and microswitch bounces, air inlet with First gas outlet is connected, and is ejected and is filled with compressed air in gas chamber and air-filled pore, and the piston rod ejection of ejection cylinder, pressurising head is supported The other end of valve and compressed air is filled with into valve, valve submerges below the water surface, and rotating valve spool has seen whether gas Bubble is emerged, and valve seal is detected；After detection, it is lifted mounting bracket, press block compresses microswitch, the piston rod of ejection cylinder Backhaul and pressurising head stop inflation, it is thus achieved that the lifting, fix of valve, the same stepping of pressurising during detection valve seal Row, optimizing detection flow improve the efficiency of detection.

Preferably, it is described support on plate with abut column, it is described abut column towards ejection cylinder one side along ejection The axial direction and pressurising head of the piston rod of cylinder are aligned.

It by using above-mentioned technical proposal, is against convenient for valve and supports on plate and be aligned with pressurising head, improve detection efficiency.

Preferably, the pressurising component installation includes being mounted on the sealing element abutted on column, and the sealing element includes Positioned at abutting column towards the abutting disk on the first face of pressurising.

By using above-mentioned technical proposal, valve compresses and is fixed on pressurising head by the piston rod of ejection cylinder and abuts disk Between, it abuts disk and is bonded to form sealing with one end of valve, prevent gas leakage effect sealing detection result at its abutting.

Preferably, the abutting column has axially penetrated through positioning bolt, the positioning bolt and ejection cylinder along it Piston rod is coaxial.

By using upper technical solution, one end of valve can cover on positioning bolt towards one end of pressurising head, to valve into Row limit, prevents valve from sliping off in fixation or pressurising and being detached with pressurising head, sealing detection process is avoided to be affected by.

Preferably, the gas control component further includes air pressure valve, and the air pressure valve carries pressure gauge, and the air pressure valve connects Two snorkels are connected with, two snorkels are connected respectively at air-filled pore with gas-distributing pipe.

By using above-mentioned technical proposal, pressurising head pressurized gas pressure is adjusted, to adapt to detection different size and want The valve asked.

Preferably, the lifting assembly further includes the first elastic component, outside one end of first elastic component and shaft Circumferential surface is a little fixed, and the other end is fixed with sink, and when sink is sunk in the mounting bracket rotation, first elastic component is in tension State.

By using above-mentioned technical proposal, when mounting bracket is rotated along shaft into sink, the first elastic component stretcher strain, After detection, the downward power being applied on mounting bracket is removed, mounting bracket is rotated up lifting automatically so that press block supports Microswitch is pressed, valve pressurising ends automatically, and is detached automatically with pressurising head, and valve can be removed.

Preferably, the lifting assembly further includes carry arm, and the carry arm is located at the another of shaft with respect to mounting bracket Side, the lower section that the sink lateral surface is located at carry arm carry carry column, the are equipped between the carry arm and carry column Two elastic components.

By using above-mentioned technical proposal, after mounting bracket lifts, carry arm is pulled under the second elastic component phase, keeps mounting bracket The power that needs are rotated into sink prevents from accidentally mounting bracket being pressed to make pressurising head is ventilated in water to lead to water-drop sputtering.

Preferably, the mounting bracket includes the mounting plate being fixed on shaft side and mounting post, the mounting post Right angle setting plate, on a mounting board, the plate of supporting is mounted on the one end of mounting post far from mounting plate for the ejection cylinder installation On, and the installation site for supporting plate in mounting post can be adjusted along mounting post axial direction.

By using above-mentioned technical proposal, adjusts the installation site for supporting plate and replace pressurising head, sealing detection can be made to fill Set the valve of detection different size specification.

Preferably, include heating tube in the sink.

By using above-mentioned technical proposal, water that can be in heating water tank, water temperature is too low in anti-water stopping trough or freezes, and is convenient for work People's winter operates.

In conclusion the utility model has the advantages that：

1. the first elastic component and the second elastic component provide pulling force so that mounting bracket has the trend rotated to shaft side, Press block compresses microswitch, and compressed air is passed through in backhaul chamber, and the piston rod contracting of ejection cylinder is inside it；Rotation pushes peace It shelves, while one end of valve being directed at positioning bolt and is against and is abutted on disk, drop to close to the sink water surface, compress with valve Block is detached with microswitch, and microswitch bounces, the ejection of the piston rod of ejection cylinder, pressurising head support the other end of valve and to Compressed air is filled in valve, valve submerges below the water surface, and rotating valve spool has seen whether that bubble is emerged, and detection valve is close Envelope, it is thus achieved that the lifting, fix of valve, pressurising are synchronized and carried out during detection valve seal, optimizing detection flow improves The efficiency of detection；

Between 2. valve is compressed and is fixed on pressurising head and abut disk by the piston rod of ejection cylinder, disk and valve are abutted One end is bonded to form sealing, prevents gas leakage effect sealing detection result at its abutting；

3. one end of valve can cover on positioning bolt towards one end of pressurising head, valve is limited, prevents valve from existing It slips off and is detached with pressurising head when fixed or pressurising, sealing detection process is avoided to be affected by；

4. after mounting bracket lifts, carry arm is pulled under the second elastic component phase, mounting bracket is kept to rotate needs into sink Power prevents from accidentally mounting bracket being pressed to make pressurising head is ventilated in water to lead to water-drop sputtering；

The installation site of plate is supported, pressurising head is replaced and adjusts air pressure valve 5. adjusting, package seal checker detection can be made not With the valve of size specification.

Description of the drawings

Fig. 1 is the structural schematic diagram one of valve seal detection device；

Fig. 2 is the structural schematic diagram one of sink and lifting assembly；

Fig. 3 is the structural schematic diagram two of sink and lifting assembly；

Fig. 4 is the structural schematic diagram of mounting bracket, fixation kit and pressurising component；

Fig. 5 is the structural schematic diagram of pressurising head and ejection cylinder；

Fig. 6 is sectional views of the Fig. 5 at A-A；

Fig. 7 is the sectional view of pressurising component；

Fig. 8 is sectional views of the Fig. 5 at B-B；

Fig. 9 is the structural schematic diagram two of valve seal detection device；

Figure 10 is partial enlarged views of the Fig. 9 at C.

Reference numeral：1, sink；11, heating tube；12, level board；121, link two；2, lifting assembly；21, fixinig plate； 211, swivel becket；212, fixing end；22, shaft；221, link one；23, mounting bracket；231, mounting plate；232, mounting post； 2321, thread segment；24, arm is compressed；241, press block；25, carry arm；251, carry column；252, clump weight；26, the first elasticity Part；27, the second elastic component；3, fixation kit；31, ejection cylinder；311, backhaul chamber；312, ejection room；313, backhaul chamber's nozzle； 314, ejection room nozzle；315, piston rod；32, plate is supported；4, pressurising component；41, pressurising head；411, air-filled pore；42, it abuts Column；43, sealing element；431, disk is abutted；432, fixing pipe；44, positioning bolt；45, air pressure valve；5, gas control component；51, air valve； 511, air inlet；512, the first gas outlet；513, the second gas outlet；52, snorkel；53, gas-distributing pipe；54, microswitch；6, it presses Arm.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing.

As shown in Fig. 1, a kind of valve seal detection device comprising sink 1, the lifting in 1 opening of sink Component 2, the fixation kit 3 on lifting assembly 2 and pressurising component 4.Wherein 1 inside of sink carries heating at bottom surface Pipe 11, water that can be in heating water tank 1, water temperature is too low in anti-water stopping trough 1 or freezes, and is operated convenient for worker's winter.

As shown in Fig. 2, lifting assembly 2 includes shaft 22, mounting bracket 23 and two fixinig plates 21.Fixinig plate 21 includes two The fixing end 212 at end and positioned at intermediate swivel becket 211, two fixinig plates 21 be separately mounted to two of sink 1 it is parallel On upper edge, the axle center of two swivel beckets 211 overlaps, and bolt is fixed between 1 upper edge of fixing end 212 and sink, realizes The installation of fixinig plate 21.The both ends of shaft 22 are respectively inserted in two swivel beckets 211, and rotationally connected.

Mounting bracket 23 includes mounting plate 231 and two mounting posts 232, and the side of mounting plate 231 and shaft 22 is tangent and phase Fixed, mounting post 232 is arranged in the both sides of mounting plate 231, and the axle center of its vertical shaft 22, one end of mounting post 232 and axis The side of bar 22 is mutually fixed, and the other end extends towards the other side of 1 opposite shaft 22 of sink and mounting post 232 carries on the end Thread segment 2321.

As shown in Fig. 3, while mounting bracket 23 further includes compressing arm 24 and carry arm 25, compresses arm 24 and carry arm 25 Side of the bottom surface also with shaft 22 is fixed, and compresses one end of arm 24 and carry arm 25 respectively with a mounting post 232 towards axis One end of bar 22 is fixed, and the other end for compressing arm 24 and carry arm 25 extends towards the other side of 232 opposite shaft 22 of mounting post And it is open outer to stretch out 1 top of sink.It compresses arm 24 and stretches out one end outside 1 top opening of sink, bar shaped is carried on bottom surface Press block 241.Carry arm 25 stretches out one end outside 1 top opening of sink, and bottom surface is vertically and fixedly provided with carry column 251.Simultaneously Clump weight 252 is installed on the end of carry arm 25, is adjusted and pushes rotational installation 23 required power of frame into sink 1 Size.

Lifting assembly 2 further includes the first elastic component 26 and the second elastic component 27, the first elastic component 26 and the second elastic component 27 Tensile deformation elastic force can be provided, and it can select tension spring, the both ends of tension spring to carry hook herein depending on actual conditions. There are one links 1, the both ends of the first elastic component 26 to be articulated in link 2 121 respectively and hang for band on the side of shaft 22 simultaneously On the side for carrying column 251.1 lateral surface of sink carries level board 12 in the lower section of carry arm 25, and level board carries on 12 upper surface Link 2 121.The both ends of second elastic component 27 are articulated in the lower end of link 2 121 and carry column 251 respectively.

As shown in Fig. 4, fixation kit 3 includes the ejection cylinder 31 being mounted on mounting plate 231 and pacifies mounted on two Plate 32 is supported on dress column 232.The bottom surface of ejection cylinder 31 is fixed with 231 phase of mounting plate, and the length direction of ejection cylinder 31 Right angle setting plate 231.The side for supporting plate 32 simultaneously is fixed with convenient for the pressure arm 6 of hand-held rotational installation frame 23.

As shown in attached drawing 5 and attached drawing 6,312 He of ejection room positioned at 31 bottom of ejection cylinder is divided into inside ejection cylinder 31 The backhaul chamber 311 of side is ejected positioned at piston rod 315, ejection room 312 carries ejection room nozzle 314, and backhaul chamber 311 carries backhaul Room nozzle 313 makes 312 pressure of ejection room be more than backhaul chamber when ejection room nozzle 314 is filled with compressed air into ejection room 312 311, the piston rod 315 of ejection cylinder 31 is released；When backhaul chamber's nozzle 313 is filled with compressed air into backhaul chamber 311, make backhaul 311 pressure of room is more than ejection room 312,315 backhaul of piston rod of ejection cylinder 31.

As shown in Fig. 4, pressurising component 4 includes filling on one end that the piston rod 315 of ejection cylinder 31 stretches out Pressure head 41, the abutting column 42 being arranged on supporting plate 32.Pressurising head 41 the piston rod 315 along ejection cylinder 31 it is axial with abut Column 42 aligns.

As shown in attached drawing 7 and attached drawing 8, air-filled pore 411 is carried in pressurising head 41, one end of air-filled pore 411 is located at pressurising head 41 directions abut in the one side of column 42, and the other end penetrates through the side of pressurising head 41.It abuts simultaneously and sealing element 43 is installed on column 42, Sealing element 43 includes abutting disk 431 and the backwards fixing pipe 432 of pressurising head 41 towards pressurising head 41, abuts column 42 along its axle center It is provided with perforation, sealing element 43, which directes reach, connects side insertion of the column 42 towards pressurising head 41, and is installed with positioning bolt in fixing pipe 432 44 fixing seals 43 and abutting column 42.

As shown in attached drawing 9 and attached drawing 10, valve seal detection device further includes gas control component 5, and gas control component 5 includes air valve 51, microswitch 54, gas-distributing pipe 53 and several snorkels 52.Air valve 51 is two-position three-way valve comprising air inlet 511, first Gas outlet 512 and the second gas outlet 513, air inlet 511 and the first gas outlet 512, air inlet 511 and the second gas outlet 513 it Between connection, switched over by microswitch 54.Microswitch 54 is located at press block 241 and issues, and press block 241 compresses fine motion Switch 54, microswitch 54 are opened, and air inlet 511 and the second gas outlet 513 are connected；Press block 241 is detached with microswitch 54, Microswitch 54 is closed, and air inlet 511 and the first gas outlet 512 are connected.A snorkel 52 is connected on air inlet 511, it should Snorkel 52 is connected with air pump.Snorkel 52 is communicated between first gas outlet 512 and gas-distributing pipe 53, and gas-distributing pipe 53 also connects It is connected with two other snorkel 52, wherein one connect with ejection room nozzle 314, another is located at pressurising head with air-filled pore 411 The aperture of 41 sides connects.Second gas outlet 513 is connect with backhaul chamber nozzle 313.

Pressurising component 4 includes air pressure valve 45 simultaneously, is mounted between air-filled pore 411 and gas-distributing pipe 53 and both passes through Snorkel 52 is connected.

The operation principle of the utility model：First elastic component 26 and the second elastic component 27 provide pulling force so that mounting bracket 23 With the trend rotated to 22 side of shaft, and press block 241 compresses microswitch 54, and compressed air is passed through in backhaul chamber 311, The contracting of piston rod 315 of ejection cylinder 31 is inside it, with shaft 22 that shaft rotation moves mounting bracket 23, while one end of valve being aligned Positioning bolt 44 and be against abut disk 431 on, dropped to close to 1 water surface of sink with valve, press block 241 divides with microswitch 54 From microswitch 54 bounces, and air inlet 511 and the first gas outlet 512 are connected, and are ejected in gas chamber and air-filled pore 411 and are filled with compression The piston rod 315 of air, ejection cylinder 31 ejects, and pressurising head 41 supports the other end of valve and is filled with compression sky into valve Gas, valve submerge below the water surface, and rotating valve spool has seen whether that bubble is emerged, and detect valve seal, after detection, move The power of pushing mounting bracket 23, mounting bracket 23 is gone to be rotated up automatically, press block 241 compresses microswitch 54, ejection cylinder 31 315 backhaul of piston rod and air-filled pore 411 is died, it is thus achieved that the lifting, fix of valve, pressurising during detection valve seal Synchronous to carry out, optimizing detection flow improves the efficiency of detection.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but As long as all being protected by Patent Law in the right of the utility model.

Claims (9)

1. a kind of valve seal detection device, including sink（1）, be mounted on sink（1）On lifting assembly（2）, fixation kit （3）With pressurising component（4）, which is characterized in that the lifting assembly（2）Including being rotationally connected with sink（1）Shaft in opening （22）Be fixed on shaft（22）On mounting bracket（23）, the fixation kit（3）Including being fixed on mounting bracket（23）Upper and phase Mutually vertical ejection cylinder（31）With support plate（32）, the ejection cylinder（31）Including ejection room（312）And backhaul chamber （311）, the pressurising component（4）Including being mounted on ejection cylinder（31）Piston rod（315）Direction supports plate（32）One end Pressurising head（41）, the pressurising head（41）Direction supports plate（32）Side carries air-filled pore（411）, the valve seal detection dress It further includes gas control component to set（5）, the gas control component（5）Including air valve（51）, microswitch（54）And gas-distributing pipe（53）, described Air valve（51）Including air inlet（511）, the first gas outlet（512）With the second gas outlet（513）, the air inlet（511）With gas Pump connection, first gas outlet（512）Pass through gas-distributing pipe（53）Respectively at ejection room（312）And air-filled pore（411）Connection, institute State the second gas outlet（513）With backhaul chamber（311）Connection, the mounting bracket（23）Including compressing arm（24）, the mounting bracket （23）Sink is sunk to or is lifted away from rotation（1）When, it is described to compress arm（24）It is corresponding to unclamp or contradict microswitch（54）, the fine motion Switch（54）Control air valve（51）First gas outlet（512）With the second gas outlet（513）Between switching.

2. a kind of valve seal detection device according to claim 1, which is characterized in that described to support plate（32）On carry Abut column（42）, the abutting column（42）Towards ejection cylinder（31）One side along ejection cylinder（31）Piston rod（315）'s Axial and pressurising head（41）Alignment.

3. a kind of valve seal detection device according to claim 2, which is characterized in that the pressurising component（4）Installation Including being mounted on abutting column（42）On sealing element（43）, the sealing element（43）Including being located at abutting column（42）Towards pressurising head （41）Abutting disk on one side（431）.

4. a kind of valve seal detection device according to claim 2, which is characterized in that the abutting column（42）Along its axis To through there is positioning bolt（44）, the positioning bolt（44）With ejection cylinder（31）Piston rod（315）Coaxially.

5. a kind of valve seal detection device according to claim 1, which is characterized in that the gas control component（5）Also wrap Include air pressure valve（45）, the air pressure valve（45）With pressure gauge, the air pressure valve（45）Connection has two snorkels（52）, described in two Snorkel（52）Respectively at air-filled pore（411）And gas-distributing pipe（53）It connects.

6. a kind of valve seal detection device according to claim 1, which is characterized in that the lifting assembly（2）Also wrap Include the first elastic component（26）, first elastic component（26）One end and shaft（22）Peripheral surface is a little fixed, the other end with Sink（1）It is fixed, the mounting bracket（23）Sink is sunk in rotation（1）When, first elastic component（26）In tensile state.

7. a kind of valve seal detection device according to claim 1, which is characterized in that the lifting assembly（2）Also wrap Include carry arm（25）, the carry arm（25）Opposite mounting bracket（23）Positioned at shaft（22）The other side, the sink（1）Outside Face is located at carry arm（25）Lower section carry carry column（251）, the carry arm（25）With carry column（251）Between be equipped with Two elastic components（27）.

8. a kind of valve seal detection device according to claim 1, which is characterized in that the mounting bracket（23）Including solid It is scheduled on shaft（22）Mounting plate on side（231）And mounting post（232）, the mounting post（232）Right angle setting plate（231）, The ejection cylinder（31）Mounted on mounting plate（231）On, it is described to support plate（32）Mounted on mounting post（232）Far from mounting plate （231）One end on, and described support plate（32）In mounting post（232）On installation site can be along mounting post（232）Axial direction side To adjusting.

9. a kind of valve seal detection device according to claim 1, which is characterized in that the sink（1）Interior includes adding Heat pipe（11）.