CN209043538U - A kind of air-tightness detection device of pvc pipe - Google Patents
A kind of air-tightness detection device of pvc pipe Download PDFInfo
- Publication number
- CN209043538U CN209043538U CN201822178391.2U CN201822178391U CN209043538U CN 209043538 U CN209043538 U CN 209043538U CN 201822178391 U CN201822178391 U CN 201822178391U CN 209043538 U CN209043538 U CN 209043538U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- block
- annulus
- sealing
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of air-tightness detection devices of pvc pipe, its key points of the technical solution are that: including detecting cylinder, fixed mechanism is provided in detection cylinder, fixed mechanism includes the first sealing block, the second sealing block and the first cylinder, first sealing block is fixed on the detection inside wall of cylinder, the cylinder body of first cylinder is fixed on detection cylinder far from the inner wall for abutting block, second sealing block is fixed on the piston rod end face of the first cylinder, second sealing block end face, which is run through, intercommunicating pore, second sealing block is fixedly connected with air inlet pipe close to the end face of the first cylinder, and air inlet pipe is connected to intercommunicating pore；Detection cylinder is also connected with sealing mechanism, and sealing mechanism includes the second cylinder connecting with detection cylinder and is used for the closed clamping block of recessing groove, and clamping block is fixed on the piston rod end face of the second cylinder.The utility model it is structurally reasonable, recessing groove is closed using sealing mechanism, so as to offer recessing groove workpiece carry out air-leakage test.
Description
Technical field
The utility model belongs to pipe testing apparatus, more specifically, it relates to which a kind of air-leakage test of pvc pipe fills
It sets.
Background technique
Pvc pipe be with Corvic and stabilizer, lubricant etc. after with pressure sintering extrusion forming, be earliest
To the plastic pipe of development and application.It needs to carry out air-leakage test to pvc pipe after producing pvc pipe, prevents pvc pipe from making
With generating leak in the process.
A kind of pipeline air-tightness detection tool and the pipeline air-tightness comprising it disclosed in Chinese patent CN207866439U
Detection system is characterized in that: including: detection cylinder；Two isolation rings, two isolation rings are mounted on spaced reciprocally in detection cylinder；Inspection
Mechanism is surveyed, is set between two isolation rings；First capping is connect, in the first capping with detection cylinder threaded one end
The first inner seal liner is provided on wall, the first inner seal liner is pressed in be measured after the first capping is threadedly coupled with detection cylinder
Between one end face of pipe and the first capping inner wall, it is provided on the first capping for blocking an isolation ring and between test tube
First exterior seal assembly in gap；Second capping is threadedly coupled with the detection cylinder other end.
Since pvc pipe needs to open up the relief hole for connecting branch in tube wall when in use, at this time to pvc pipe
Crack may occur for tube body when opening up recessing groove, cause using when generate leak, need to detect tube body at this time, but make
With above scheme air-leakage test can not be carried out to the pvc pipe for offering recessing groove.
Therefore it needs to propose the new technical solution of one kind to solve the above problems.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of air-leakage tests of pvc pipe
Device can carry out air-leakage test to the PVC offered after recessing groove.
To achieve the above object, the utility model provides following technical solution: a kind of air-leakage test dress of pvc pipe
It sets, including detection cylinder, is provided with the fixed mechanism that workpiece is fixed in the detection cylinder, the fixed mechanism includes by workpiece one
It is closed first sealing block of end opening, that the second sealing block of workpiece other end closure of openings and the second sealing block of driving is mobile
First cylinder, first sealing block are fixed on the detection inside wall of cylinder, and the cylinder body of first cylinder is fixed on detection cylinder far from supporting
The inner wall of block is connect, second sealing block is fixed on the piston rod end face of the first cylinder, and second sealing block end face, which is run through, to be had
Intercommunicating pore, second sealing block are fixedly connected with air inlet pipe close to the end face of the first cylinder, and the air inlet pipe and intercommunicating pore connect
It is logical；
The detection cylinder is also connected with the closed sealing mechanism of the recessing groove of workpiece, and the sealing mechanism includes and detection
The second cylinder and be used for the closed clamping block of recessing groove that cylinder connects, the clamping block is fixed on the tailpiece of the piston rod of the second cylinder
Face.
One end of workpiece is supported with the first sealing block when carrying out the detection of air-tightness by using above-mentioned technical proposal
It connecing, turning of work piece is aligned recessing groove with clamping block later, and start the first cylinder later and moves the second sealing block towards workpiece,
The both ends open of workpiece is sealed using the first sealing block and the second sealing block, starts the second cylinder later, it will using clamping block
Recessing groove sealing, starts air compressor gas injection into workpiece at this time, bubble detection workpiece whether occurs using the water surface
Whether air-tightness is up to standard.
The utility model is further arranged to: the detection cylinder is connected with the regulating mechanism for adjusting the second cylinder angle, institute
Stating regulating mechanism includes the mounting blocks connecting with detection cylinder and the annulus for fixing the second cylinder, and the mounting blocks are close to workpiece
End face offer guide groove, the annulus lateral wall is coaxially fixed with guide pad, and the guide pad is placed in sliding in guide groove,
The axis of the annulus is overlapped with the axis of the first cylinder, and the cylinder body of second cylinder is fixed on circle ring inner wall.
It by using above-mentioned technical proposal, rotate sealing mechanism can with the axis of annulus using regulating mechanism, thus
It is sealed clamping block can to the recessing groove of different directions, make the more convenient to use of detection device.
The utility model is further arranged to: detection cylinder upper end offers sliding slot, and the mounting blocks lower end is fixedly connected with
Sliding block, the sliding block are placed in sliding in sliding slot.
Make sealing mechanism can be with the position of recessing groove using the cooperation of sliding slot and sliding block by using above-mentioned technical proposal
And change its position, to keep detection device more convenient when detecting.
The utility model is further arranged to: the circle ring inner wall is fixedly connected with several abutting agency, the abutting machine
Structure includes the fixed link being fixedly connected with circle ring inner wall and the abutting block abutted with workpiece side wall, and the abutting block is connected to fixation
Bar is close to one end of annulus axis.
By using above-mentioned technical proposal, applies the power for hindering workpiece deformation to workpiece using abutting agency, make workpiece not
Bending can be generated.
The utility model is further arranged to: the fixed link is socketed with sliding bar, and the sliding bar is close to annulus axis
End face be fixedly connected with block is abutted, the sliding bar is threaded with adjusting bolt, the adjusting bolt and fixed link side wall
It abuts.
By using above-mentioned technical proposal, the spacing abutted between block and annulus axis is adjusted using sliding bar, to make
Abutting agency can be supported the workpiece of different-diameter.
The utility model is further arranged to: the quantity of the abutting agency is two, and the sealing mechanism and two support
120 degree are differed between connection mechanism.
By using above-mentioned technical proposal, the position of workpiece is fixed using sealing mechanism and two abutting agency, is utilized
Least abutting agency fixes the position of workpiece.
The utility model is further arranged to: the clamping block offers lozenges close to the end face edge of annulus axis.
It by using above-mentioned technical proposal, can be inserted into clamping block in recessing groove using lozenges, make lozenges and step down
Slot inner wall abuts, so that recessing groove is sealed, the axis of clamping block can be with the axis weight of recessing groove during sealing
It closes, to keep the sealing effect of clamping block more preferable.
The utility model is further arranged to: the abutting block is rotatably connected to idler wheel close to the end face of annulus axis, institute
The axis for stating idler wheel is parallel with the axis of annulus.
By using above-mentioned technical proposal, the sliding friction for abutting block and workpiece is changed into rolling friction using idler wheel,
Reduce the frictional force abutted between block and workpiece, keep the rotation of workpiece more convenient, to make the close of clamping block and recessing groove
Envelope effect is more preferable, keeps the result of detection more accurate.
In conclusion the utility model has the following beneficial effects:
1, the utility model is sealed recessing groove using sealing mechanism, to make detection device can be to offering recessing groove
Workpiece detected；
2, make the position-adjustable of sealing mechanism by the way that regulating mechanism is arranged, so as to recessing groove towards different workpiece
It is sealed；
3, apply the power for hindering its deformation to workpiece by setting abutting agency, so that workpiece be made to apply by sealing mechanism
The power added is will not to be deformed.
Detailed description of the invention
Fig. 1 is the perspective view of the present embodiment；
Fig. 2 is the schematic diagram that the present embodiment is used to show regulating mechanism.
Detailed description of the invention: 1, cylinder is detected；11, sliding slot；2, fixed mechanism；21, the first sealing block；22, the second sealing block；221,
Intercommunicating pore；222, air inlet pipe；23, the first cylinder；3, sealing mechanism；31, the second cylinder；32, clamping block；321, lozenges；4,
Regulating mechanism；41, mounting blocks；411, guide groove；412, sliding block；42, annulus；421, guide pad；5, abutting agency；51, fixed
Bar；52, block is abutted；53, bar is slid；54, bolt is adjusted；55, idler wheel.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Wherein identical components are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and
"outside" refers respectively to the direction towards or away from geometric center of specific component.
A kind of air-tightness detection device of pvc pipe is detected and is provided in cylinder 1 by workpiece as shown in Figure 1, including detection cylinder 1
Fixed fixed mechanism 2, fixed mechanism 2 are located under the water surface in detection cylinder 1.Fixed mechanism 2 includes that workpiece is open at one end
Closed first sealing block 21 by the second sealing block 22 of workpiece other end closure of openings and pushes the second sealing block 22 towards work
First cylinder 23 of part movement.First sealing block 21 is in a circular table shape, makes to be bolted to detection 1 inner wall of cylinder, and its area
Biggish one end is abutted with detection 1 inner wall of cylinder.The cylinder body of first cylinder 23 makes to be bolted to detection cylinder 1 far from the first sealing
The inner wall of block 21, piston rod are connect using bolt with the second sealing block 22.Second sealing block 22 is in truncated cone-shaped, and area is larger
One end connect with the piston rod of the first cylinder 23.Second sealing block, 22 end face is through there is intercommunicating pore 221, close to the first cylinder
23 end face use has been bolted air inlet pipe 222, and air inlet pipe 222 is connected to intercommunicating pore 221, and its other end and air compress
The air outlet of machine is connected to.Detection cylinder 1 is also connected with the closed sealing mechanism 3 of the recessing groove of workpiece, and sealing mechanism 3 includes and inspection
Survey the second cylinder 31 that cylinder 1 connects and by the closed clamping block 32 of recessing groove.Clamping block 32 is rubber material, solid using bolt
Due to the piston rod end face of the second cylinder 31.When carrying out the detection of air-tightness, support one end of workpiece with the first sealing block 21
It connects, turning of work piece is aligned recessing groove with clamping block 32 later, starts the first cylinder 23 later for the second sealing block 22 towards work
Part is mobile, seals the both ends open of workpiece using the first sealing block 21 and the second sealing block 22, starts the second cylinder 31 later,
Recessing groove is sealed using clamping block 32, starts air compressor gas injection into workpiece at this time, whether occurs using the water surface
Whether the air-tightness that bubble detects workpiece is up to standard.
As shown in Fig. 2, due to making to need the position for predefining recessing groove carrying out detection, just usable fixed mechanism 2
Determine the position of workpiece, but recessing groove is not aligned clamping block 32 sometimes, needs that workpiece is fixed again at this time.Cause
This detection cylinder 1 is connected with the regulating mechanism 4 for adjusting 31 position of the second cylinder, and regulating mechanism 4 includes two pieces connect with detection cylinder 1
Mounting blocks 41 and the annulus 42 for rotating the second cylinder 31, two pieces of mounting blocks 41 are connect with detection cylinder 1, and it is located at inspection
Survey the two sides of 1 upper end opening of cylinder.Two pieces of mounting blocks 41 offer T-shaped arc-shaped close to the end face of 23 axis of the first cylinder
Guide groove 411, guide groove 411 run through the upper surface of mounting blocks 41, and the midpoint of circular arc is prolonged with the axis of the first cylinder 23
Long line is overlapped.The axis of annulus 42 is overlapped with the axis of the first cylinder 23, and its lateral wall coaxial welding has a circle guide pad
421, guide pad 421, which is placed in sliding, the cylinder body of the second cylinder 31 in guide groove 411, to be made to be bolted to 42 inner wall of annulus, and
Its axis intersects and vertical with the axis of annulus 42.Turn sealing mechanism 3 can with the axis of annulus 42 using regulating mechanism 4
It is dynamic, to make clamping block 32 that can be sealed to the recessing groove of different directions, make the more convenient to use of detection device.
As shown in Fig. 2, since the position of the recessing groove opened up on workpiece is different, in order to keep detection device convenient
The different workpiece in the position that recessing groove opens up is detected.Detection 1 upper end of cylinder offers two sliding slots 11 in T shape, installs
41 lower end surface of block is welded with one piece of sliding block 412 cooperated with sliding slot 11, and sliding block 412 can be placed in sliding in sliding slot 11.Utilize cunning
The cooperation of slot 11 and sliding block 412 makes sealing mechanism 3 that can change its position with the position of recessing groove, so that detection device be made to exist
It is more convenient when detection.
As shown in Fig. 2, clamping block 32 can apply workpiece due to when being sealed using sealing mechanism 3 to recessing groove
Perpendicular to the power of axis of workpiece, workpiece is made to generate bending.Therefore there are two abutting agency 5, two abuttings for the connection of 42 inner wall of annulus
120 degree are differed between mechanism 5 and sealing mechanism 3.Abutting agency 5 include with 42 inner wall of annulus welding fixed link 51 and
It to the abutting block 52 of workpiece positioning, abuts block 52 and is located at fixed link 51 close to one end of 42 axis of annulus, and it can be with workpiece side
Wall abuts.Apply the power for hindering workpiece deformation to workpiece using abutting agency 5, workpiece is made not generate bending.
As shown in Fig. 2, abutting agency 5 can not be to workpiece at this time since the diameter of the workpiece detected will change
It is supported.Therefore fixed link 51 be coaxially socketed with sliding bar 53, sliding bar 53 close to 42 axis of annulus one end with abut
Block 52 welds.Sliding 53 sidewall thread of bar is connected with adjusting bolt 54, and the screw rod for adjusting bolt 54 passes through sliding bar 53 and fixes
51 side wall of bar abuts.The spacing abutted between block 52 and 42 axis of annulus is adjusted using sliding bar 53, to make abutting agency 5 can
The workpiece of different-diameter is supported.
In order to keep the sealing between clamping block 32 and recessing groove even closer, as shown in Fig. 2, clamping block 32 is close to annulus 42
The end face edge of axis offers lozenges 321, can be inserted into clamping block 32 in recessing groove using lozenges 321, makes lozenges
321 abut with recessing groove inner wall, so that recessing groove is sealed, the axis of clamping block 32 can be with resigning during sealing
The axis of slot is overlapped, to keep the sealing effect of clamping block 32 more preferable.
As shown in Fig. 2, being inserted into recessing groove in clamping block 32 due to when being sealed using clamping block 32 to recessing groove
Lozenges 321 can apply the power perpendicular to contact surface to workpiece in the process, make the axis of clamping block 32 and the axis weight of recessing groove
It closes, the power for hindering its rotation can be applied to workpiece by abutting block 52 at this time, made the axis misalignment of clamping block 32 Yu recessing groove, influenced card
Connect the sealing effect of block 32.Therefore abutting block 52, there are two idler wheels 55 close to the rotation connection of the end face of 42 axis of annulus, roll road
Axis is parallel with the axis of annulus 42.The sliding friction for abutting block 52 and workpiece is changed into rolling friction using idler wheel 55, is subtracted
The frictional force abutted between block 52 and workpiece is lacked, has kept the rotation of workpiece more convenient, to make clamping block 32 and recessing groove
Sealing effect is more preferable, keeps the result of detection more accurate.
Working principle:
When detecting to workpiece, workpiece is passed through out of annulus 42 abuts its side wall with idler wheel 55, starts later
First cylinder 23 keeps the second sealing block 22 mobile towards the first sealing block 21, make workpiece both ends simultaneously with the first sealing block 21 and the
The connection of two sealing blocks 22, the first cylinder 23 is stopped.Starting the second cylinder 31 later makes clamping block 32 towards the axis of annulus 42
Mobile, lozenges 321 is first abutted with the side of recessing groove, is applied the power perpendicular to the two contact surface to workpiece later, is made workpiece
Rotation is to make the axis of recessing groove and the axis of clamping block 32 be overlapped, and clamping block 32 seals recessing groove at this time.Later first
Cylinder 23 continues to move, and makes the first sealing block 21 and the second sealing block 22 by the closure of openings of workpiece, backward detection cylinder 1 in fall
Enter water, submerge water by workpiece, start air compressor later, is ventilated by air inlet pipe 222 towards workpiece lumen, utilize the water surface
Whether bubble is occurred, whether the air-tightness to detect workpiece is up to standard.
Specific embodiment is only the explanation to the utility model, is not limitations of the present invention, this field
Technical staff can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but only
It will be in the scope of the claims of the utility model all by the protection of Patent Law.
Claims (8)
1. a kind of air-tightness detection device of pvc pipe, including detection cylinder (1), it is characterised in that: setting in the detection cylinder (1)
There is the fixed mechanism (2) that workpiece is fixed, the fixed mechanism (2) includes by workpiece closed first sealing block open at one end
(21), the first cylinder that the second sealing block (22) of workpiece other end closure of openings and driving the second sealing block (22) is mobile
(23), first sealing block (21) is fixed on detection cylinder (1) inner wall, and the cylinder body of first cylinder (23) is fixed on detection cylinder
(1) far from the inner wall for abutting block (52), second sealing block (22) is fixed on the piston rod end face of the first cylinder (23), described
Through having intercommunicating pore (221), second sealing block (22) is solid far from the end face for abutting block (52) for second sealing block (22) end face
Surely it is connected with air inlet pipe (222), the air inlet pipe (222) is connected to intercommunicating pore (221)；
The detection cylinder (1) is also connected with the closed sealing mechanism of the recessing groove of workpiece (3), and the sealing mechanism (3) includes
With detection cylinder (1) the second cylinder (31) for connect and for by the closed clamping block of recessing groove (32), the clamping block (32) to be consolidated
Due to the piston rod end face of the second cylinder (31).
2. a kind of air-tightness detection device of pvc pipe according to claim 1, it is characterised in that: the detection cylinder (1) is even
It is connected to the regulating mechanism (4) for adjusting the second cylinder (31) angle, the regulating mechanism (4) includes the peace connecting with detection cylinder (1)
Block (41) and the annulus (42) for fixing the second cylinder (31) are filled, the mounting blocks (41) offer close to the end face of workpiece and lead
To slot (411), annulus (42) lateral wall is coaxially fixed with guide pad (421), and the guide pad (421) is placed in guide groove
(411) sliding, the axis of the annulus (42) are overlapped with the axis of the first cylinder (23) in, the cylinder body of second cylinder (31)
It is fixed on annulus (42) inner wall.
3. a kind of air-tightness detection device of pvc pipe according to claim 2, it is characterised in that: open detection cylinder (1) upper end
Equipped with sliding slot (11), mounting blocks (41) lower end is fixedly connected with sliding block (412), and the sliding block (412) is placed in sliding slot (11)
Interior sliding.
4. a kind of air-tightness detection device of pvc pipe according to claim 2, it is characterised in that: in the annulus (42)
Wall is fixedly connected with several abutting agency (5), and the abutting agency (5) includes the fixed link being fixedly connected with annulus (42) inner wall
(51) and with workpiece side wall the abutting block (52) abutted, the abutting block (52) are connected to fixed link (51) close to annulus (42) axis
One end of line.
5. a kind of air-tightness detection device of pvc pipe according to claim 4, it is characterised in that: the fixed link (51)
It is socketed with sliding bar (53), sliding bar (53) is fixedly connected close to the end face of annulus (42) axis with block (52) is abutted, institute
It states sliding bar (53) and is threaded with adjusting bolt (54), the adjusting bolt (54) abuts with fixed link (51) side wall.
6. a kind of air-tightness detection device of pvc pipe according to claim 4, it is characterised in that: the abutting agency (5)
Quantity be two, between the sealing mechanism (3) and two abutting agency (5) difference 120 degree.
7. a kind of air-tightness detection device of pvc pipe according to claim 1, it is characterised in that: the clamping block (32)
End face edge close to annulus (42) axis offers lozenges (321).
8. a kind of air-tightness detection device of pvc pipe according to claim 4, it is characterised in that: the abutting block (52)
End face close to annulus (42) axis is rotatably connected to idler wheel (55), and the axis of the idler wheel (55) and the axis of annulus (42) are flat
Row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822178391.2U CN209043538U (en) | 2018-12-25 | 2018-12-25 | A kind of air-tightness detection device of pvc pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822178391.2U CN209043538U (en) | 2018-12-25 | 2018-12-25 | A kind of air-tightness detection device of pvc pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209043538U true CN209043538U (en) | 2019-06-28 |
Family
ID=67044785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822178391.2U Expired - Fee Related CN209043538U (en) | 2018-12-25 | 2018-12-25 | A kind of air-tightness detection device of pvc pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209043538U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901776A (en) * | 2021-01-15 | 2021-06-04 | 创力高机电(深圳)有限公司 | Workpiece air tightness detection device |
| CN117686158A (en) * | 2024-02-04 | 2024-03-12 | 太原供水设计研究院有限公司 | Water pipe leak hunting device |
-
2018
- 2018-12-25 CN CN201822178391.2U patent/CN209043538U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901776A (en) * | 2021-01-15 | 2021-06-04 | 创力高机电(深圳)有限公司 | Workpiece air tightness detection device |
| CN112901776B (en) * | 2021-01-15 | 2023-03-28 | 创力高机电(深圳)有限公司 | Workpiece air tightness detection device |
| CN117686158A (en) * | 2024-02-04 | 2024-03-12 | 太原供水设计研究院有限公司 | Water pipe leak hunting device |
| CN117686158B (en) * | 2024-02-04 | 2024-04-09 | 太原供水设计研究院有限公司 | Water pipe leak hunting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209043538U (en) | A kind of air-tightness detection device of pvc pipe | |
| CN102830158A (en) | Bend pipe damage scanning and detecting apparatus based on magnetic memory effect | |
| CN209356141U (en) | A kind of water pump seamless verification test device | |
| CN207126992U (en) | Metal tube surface defect detecting system | |
| CN114088312A (en) | Improved aluminum casting air tightness detection device and detection method thereof | |
| CN208171544U (en) | A kind of seal for pipe joints vacuum checking device | |
| KR20090034547A (en) | Device for sensing nut unbalance of nut welding device | |
| CN207923247U (en) | A kind of mobile axial centring tube road holder | |
| CN201917442U (en) | High-pressure leakage measuring machine | |
| CN212459540U (en) | Positioning and rotating device for detecting welding seam of stainless steel pressure pipeline | |
| CN106052609B (en) | A kind of check valve seal groove detection apparatus | |
| CN109655204B (en) | Pipeline connection sealing performance detection structure | |
| CN111650051A (en) | Pipeline hydrostatic test system and test method | |
| CN105651470A (en) | Noise elimination tube air tightness detection mechanism | |
| CN209131929U (en) | A kind of metal ladle body weld joint air-tight detection device | |
| CN205449416U (en) | Automatic change PE three way connection device that leaks hunting | |
| CN214868188U (en) | Automatic welding equipment | |
| CN205449412U (en) | Automatic leakproofness test machine | |
| CN205373970U (en) | Gas tightness detection device of cylindric battery | |
| CN208672245U (en) | A kind of air-tightness detection tool of oil storage drum of shock absorber | |
| CN211013782U (en) | Hydraulic brake pipe pressure testing device | |
| CN208333788U (en) | Dynamic vibration testing stand | |
| CN111103102B (en) | Steel gas pipeline inner weld joint rapid detection device | |
| CN205449389U (en) | Automatic device that leaks hunting of three -way | |
| CN205426451U (en) | Automatic gas tightness check out test set of three way connection weld |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314015 No. 233, Si Gu Qiao section, Jia Luo Road, Xincheng Town, Xiuzhou District, Jiaxing, Zhejiang Patentee after: Zhejiang WeiPai Management Co.,Ltd. Address before: 314015 No. 233, Si Gu Qiao section, Jia Luo Road, Xincheng Town, Xiuzhou District, Jiaxing, Zhejiang Patentee before: ZHEJIANG WEIPAI PIPE INDUSTRY Co.,Ltd. |
|
| 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: 20190628 Termination date: 20211225 |