CN209067448U - Water pump fast pressure testing device - Google Patents
Water pump fast pressure testing device Download PDFInfo
- Publication number
- CN209067448U CN209067448U CN201822041744.4U CN201822041744U CN209067448U CN 209067448 U CN209067448 U CN 209067448U CN 201822041744 U CN201822041744 U CN 201822041744U CN 209067448 U CN209067448 U CN 209067448U
- Authority
- CN
- China
- Prior art keywords
- water pump
- end cap
- pressure testing
- water
- workbench
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 126
- 238000012360 testing method Methods 0.000 title claims abstract description 38
- 238000009434 installation Methods 0.000 claims description 23
- 230000000694 effects Effects 0.000 claims description 12
- 230000008676 import Effects 0.000 claims description 9
- 239000003381 stabilizer Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 5
- 230000001737 promoting effect Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000006978 adaptation Effects 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model belongs to water pump production technical field, more particularly to water pump fast pressure testing device.The utility model discloses water pump fast pressure testing device, including workbench, clamping structure, upper telescoping cylinder, upper plug head, lower end cap structure and water tank.In use, water pump to be measured is placed on the table, clamping structure is firm to clamp water pump to be measured, then manipulates respectively each inlet and outlet for making telescoping cylinder driving upper plug head, lower end cap structure block water pump respectively.The water inlet pipe connecting at this time with upper plug head and makes the liquid flow influent stream in water tank into water pump to be measured, in order to carry out the pressure testing operation of water pump by water-supply-pipe at unique inlet and outlet of water pump to be measured.After the completion of pressure testing operation, upper plug head, lower end cap structure are successively discharged, flows into the liquid in water pump to be measured smoothly in water tank；Clamping structure is unclamped again, that is, can be taken off water pump to be measured.Entire pressure testing operation process is easy to operate, quick.And the utility model structure is simple, convenient for promoting the use of.
Description
Technical field
The utility model belongs to water pump production technical field, more particularly to water pump fast pressure testing device.
Background technique
Water pump is the machinery for conveying liquid or being pressurized liquid.It transmits the mechanical energy of prime mover or other external energies
To liquid, increase liquid energy, is mainly used to convey liquid to include water, oil, acid & alkali liquid, emulsion, suspended emulsion and liquid gold
Belong to etc..
Examination water, pressure testing are had to pass through when factory.
It is generally used pressure testing machine and pressure testing operation is carried out to water pump.And existing pressure testing machine directly compresses water using jack
Pump, and pumped by cistern feeding and apply pressure, immersible pump is easily damaged, and operator cannot be given to provide security protection.
Or using traditional approach: manually pour water after blocking, after the completion of test again by manually plugging cap is pulled out,
Manpower and personnel and time-consuming, low efficiency but also waste water resource are not only consumed in this way.
Regardless of any mode of use, manually installed, fixation is required, then blocks each inlet and outlet of water pump respectively, most
Afterwards in pressure testing operation, whole operation process is cumbersome, efficiency is extremely low.
Utility model content
Purpose of the utility model is to overcome the above-mentioned shortcomings and provide water pump fast pressure testing devices.
To achieve the above object, the utility model is achieved through the following technical solutions above-mentioned purpose: water pump Quick-action pressure-testing dress
It sets, including workbench, clamping structure, upper telescoping cylinder, upper plug head, lower end cap structure and water tank.Side is perpendicular above the workbench
It is vertical to be fixed with support column, bracket is installed on the inside of support column；The upper telescoping cylinder is installed on bracket, and upper plug head is installed on flexible
Below cylinder；Through a water inlet pipe is connected on the upper plug head, the import of water inlet pipe is located above upper plug head, the import of water inlet pipe
Below upper plug head；The clamping structure includes fixed part, activity folder portion, pillar and clamping cylinder；Fixed part is fixed at
Support column lower inside；The pillar is fixed on the other side of the workbench with respect to support column, and clamping cylinder is installed on pillar, activity
Folder portion is fixedly connected on the inside of clamping cylinder；The lower end cap structure is installed among workbench；The workbench is arranged below
Stabilizer blade；The water tank is installed on stabilizer blade；The water inlet pipe import is connected to water tank by a water-supply-pipe.
In use, water pump to be measured is placed on the table, clamping structure is firm to clamp water pump to be measured, then manipulation difference
Telescoping cylinder driving upper plug head, lower end cap structure is set to block each inlet and outlet of water pump respectively.Connect at this time with upper plug head into
Water pipe and makes the liquid flow influent stream in water tank into water pump to be measured at unique inlet and outlet of water pump to be measured by water-supply-pipe, with
It is convenient for the pressure testing operation of water pump.After the completion of pressure testing operation, upper plug head, lower end cap structure are successively discharged, is made in water pump to be measured
Liquid smoothly flow into water tank；Clamping structure is unclamped again, that is, can be taken off water pump to be measured.Entire pressure testing operation process operation letter
Just, quickly.And the utility model structure is simple, convenient for promoting the use of.
Preferably, the support column is equipped with the prepackage hole of several groups different height；The stent outer is equipped with and prepackage
The matched installation screw rod in hole, installation screw rod at least there are two；Bracket is installed on the prepackage hole of support column by installing screw rod, and leads to
It crosses and is secured the stand on the inside of support column with the installation matched nut of screw rod；Bracket is changed by being installed on different groups of prepackage hole
Become the direction of motion of bracket, upper plug head, the height of upper telescoping cylinder and upper telescoping cylinder.The inlet and outlet relative position of different water pumps
And disunity is fixed, when an inlet and outlet it is fixed downward when, other inlet and outlet may upward or forward or backwards etc., this is practical
The novel installation screw rod movable connection structure by by prepackage hole, bracket, can be according to the inlet and outlet direction need with pressure testing water pump
It asks, selects the installation link position between bracket and support column, and then change the shift motion of upper plug head, upper telescoping cylinder.
Preferably, port is equipped among the workbench；The lower end cap structure includes lower end cap module and lower telescoping cylinder,
Lower end cap module one end is articulated with workbench lower inside, and the upper end of the other end and lower telescoping cylinder is hinged；Lower end cap module top
Diameter be less than the diameter of port, the height on lower end cap module top is greater than the axial width of port；Under the lower telescoping cylinder
End is articulated with workbench lower inside；The lower telescoping cylinder be located at lower end cap module in the following, for drive lower end cap module around with
The hinged position rotation of workbench；Instantly when telescoping cylinder driving lower end cap module is rotated up, lower end cap module top passes through logical
Mouth is exposed to above workbench, it is ensured that lower end cap module is closely blocked below water pump and imported and exported.
Preferably, it is equipped with installation notch among the workbench, removable movable plate is installed in installation notch；Activity
When plate is mounted on installation notch, the upper surface of movable plate is flushed with workbench；The port is set among movable plate.It can be according to not
With Ordination of pump demand, the installation notch of more sliding adaptation effectively improve the scope of application of the utility model.
Preferably, the water inlet pipe upper end is threadedly coupled with upper telescoping cylinder；Facilitate and is replaced according to different Ordination of pump models
Upper plug head (and the water inlet pipe connecting with upper plug head) is also convenient for daily dismounting maintenance.
Preferably, the water inlet pipe is integrated with upper plug head is made, and effectively ensures airtight between upper plug head and water inlet pipe
Property.
Preferably, the lower end cap module includes lower end cap and articulated slab；Described articulated slab one end is articulated under workbench
On the inside of portion, the upper end of the other end and lower telescoping cylinder is hinged；The lower end cap is installed on above articulated slab by fastener.Lower end cap
With the removable connection of articulated slab, matched lower end cap can be replaced according to different Ordination of pump demands, it is entire lower stifled without replacing
Head module.Save the activity duration.The scope of application of the utility model is improved simultaneously.
Preferably, the fixed part of the clamping structure, activity folder portion inside are equipped with backing plate.Clamping structure can be improved in backing plate
Closer clamping water pump；It can also be selected to change different backing plates according to different Ordination of pump.
Preferably, filter is equipped between the water tank and water-supply-pipe.Filter can effectively prevent other materials defeated with this
Water pipe etc. enters in water pump, prevents impurity etc. from influencing pump performance.
Preferably, the narrow upper width of subordinate under the upper plug head；The lower end cap is up-narrow and down-wide.Such structure can be improved stifled
Head, lower end cap block the efficiency of water pump inlet and outlet, while improving upper plug head, leakproofness when lower end cap blocks operation.
By using above-mentioned technical proposal, quickly tried the beneficial effects of the utility model are: the utility model discloses water pump
Pressure device, including workbench, clamping structure, upper telescoping cylinder, upper plug head, lower end cap structure and water tank.In use, by water pump to be measured
It places on the table, clamping structure is firm to clamp water pump to be measured, and then manipulating respectively makes telescoping cylinder driving upper plug head, lower stifled
Header structure blocks each inlet and outlet of water pump respectively.The water inlet pipe being connect at this time with upper plug head at water pump to be measured unique disengaging
Mouthful, and the liquid flow influent stream in water tank is made into water pump to be measured, in order to carry out the pressure testing operation of water pump by water-supply-pipe.Pressure testing
After the completion of operation, upper plug head, lower end cap structure are successively discharged, flows into the liquid in water pump to be measured smoothly in water tank；It unclamps again
Clamping structure can be taken off water pump to be measured.Entire pressure testing operation process is easy to operate, quick.And the utility model structure letter
It is single, convenient for promoting the use of.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the utility model structure top view；
Fig. 3 be in Fig. 1 AA to top view；
Fig. 4 is the utility model side view.
Description of symbols: (0, water pump to be measured；1, workbench；11, support column；12, bracket；13, stabilizer blade；14, it pre-installs
Hole；15, screw rod is installed；16, port；17, movable plate；2, clamping structure；21, fixed part；22, activity folder portion；24, pillar；25,
Clamping cylinder；26, backing plate；3, upper telescoping cylinder；4, upper plug head；5, lower end cap structure；51, lower end cap module；52, lower telescoping cylinder；53,
Lower end cap；54, articulated slab；6, water tank；7, water inlet pipe；71, water-supply-pipe；8, filter).
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
As shown in Figs 1-4, water pump fast pressure testing device, including workbench 1, clamping structure 2, upper telescoping cylinder 3, upper plug head 4,
Lower end cap structure 5 and water tank 6.The side setting above of workbench 1 is fixed with support column 11, and branch is equipped on the inside of support column 11
Frame 12；The upper telescoping cylinder 3 is installed on bracket 12, and upper plug head 4 is installed below telescoping cylinder 3；Through company on the upper plug head 4
It is connected to a water inlet pipe 7, the import of water inlet pipe 7 is located above upper plug head 4, and the import of water inlet pipe 7 is located at below upper plug head 4.
The clamping structure 2 includes fixed part 21, activity folder portion 22, pillar 23 and clamping cylinder 24；The fixation of fixed part 21 is set
In 11 lower inside of support column；The pillar 24 is fixed on the other side of the workbench 1 with respect to support column 11, and clamping cylinder 25 is installed on
On pillar 24, activity folder portion 22 is fixedly connected on the inside of clamping cylinder 25.The fixed part 21 of the clamping structure 2, activity folder portion
22 insides are equipped with backing plate 26.The closer clamping water pump of clamping structure 2 can be improved in backing plate 26；It can also be selected according to different Ordination of pump
It selects and changes different backing plates 26.
The lower end cap structure 5 is installed among workbench 1；Stabilizer blade 13 is arranged below in the workbench 1；The water tank 6
It is installed on stabilizer blade 13；7 import of water inlet pipe is connected to water tank 6 by a water-supply-pipe 71.
In use, water pump 0 to be measured is placed on workbench 1, clamping structure 2 is firm to clamp water pump 0 to be measured, then manipulates
The each inlet and outlet for making telescoping cylinder 3 that upper plug head 4, lower end cap structure 5 be driven to block water pump 0 respectively respectively.At this time with upper plug head 4
The water inlet pipe 7 of connection at water pump 0 to be measured unique inlet and outlet, and by water-supply-pipe 71 make the liquid flow influent stream in water tank 6 into
In water pump 0 to be measured, in order to carry out the pressure testing operation of water pump 0.After the completion of pressure testing operation, upper plug head 4, lower end cap knot are successively discharged
Structure 5 flows into the liquid in water pump 0 to be measured smoothly in water tank 6；Clamping structure 2 is unclamped again, that is, can be taken off water pump 0 to be measured.Entirely
Pressure testing operation process is easy to operate, quick.And the utility model structure is simple, convenient for promoting the use of.
The support column 11 is equipped with the prepackage hole 14 of several groups different height；It is equipped on the outside of the bracket 12 and prepackage hole
14 matched installation screw rods 15, installation screw rod 15 at least there are two；Bracket 12 is installed on support column 11 by installing screw rod 15
Hole 14 is pre-installed, and by the way that bracket 12 is fixed on 11 inside of support column with the installation matched nut of screw rod 15；Bracket 12 passes through peace
Loaded on different groups of prepackage hole 14, change the movement side of bracket 12, upper plug head 4, the height of upper telescoping cylinder 3 and upper telescoping cylinder 3
To.Simultaneously disunity is fixed for the inlet and outlet relative position of different water pumps 0, and when an inlet and outlet are fixed downward, inlet and outlet in addition can
Can upward or forward or backwards etc., the utility model passes through to be flexibly connected by the installation screw rod 15 of prepackage hole 14, bracket 12
Structure can select the installation link position between bracket 12 and support column 11 according to the inlet and outlet direction demand with pressure testing water pump,
And then change the shift motion of upper plug head 4, upper telescoping cylinder 3.
Port 16 is equipped among the workbench 1；The lower end cap structure 5 includes lower end cap module 51 and lower telescoping cylinder
52,51 one end of lower end cap module is articulated with 1 lower inside of workbench, and the upper end of the other end and lower telescoping cylinder 52 is hinged；Lower end cap
The diameter on 51 top of module is less than the diameter of port 16, and the height on 51 top of lower end cap module is greater than the axial width of port 16；
The lower end of the lower telescoping cylinder 52 is articulated with 1 lower inside of workbench；The lower telescoping cylinder 52 be located at lower end cap module 51 in the following,
For driving lower end cap module 51 to rotate around with the hinged position of workbench 1；Instantly telescoping cylinder 52 drive lower end cap module 51 to
When upper rotation, 51 top of lower end cap module passes through port 16, is exposed to above workbench 1, it is ensured that lower end cap module 51 is closely blocked
It is imported and exported below water pump 0.
It is equipped with installation notch (not shown) among the workbench 1, removable movable plate 17 is installed in installation notch；
When movable plate 17 is mounted on installation notch, the upper surface of movable plate 17 is flushed with workbench 1；The port 16 is set to movable plate 17
It is intermediate.The scope of application of the utility model can be effectively improved according to different Ordination of pump demands, the installation notch of more sliding adaptation.
7 upper end of water inlet pipe is threadedly coupled with upper telescoping cylinder 3；Facilitate and replaces upper plug head according to different Ordination of pump models
4(and the water inlet pipe 7 being connect with upper plug head 4), it is also convenient for daily dismounting maintenance.
The water inlet pipe 7 is integrated with upper plug head 4 to be made, and effectively ensures the air-tightness between upper plug head 4 and water inlet pipe 7.
The lower end cap module 51 includes lower end cap 53 and articulated slab 54；Described 54 one end of articulated slab is articulated with workbench 1
The upper end of lower inside, the other end and lower telescoping cylinder 52 is hinged；The lower end cap 53 is installed on articulated slab 54 by fastener
Face.Lower end cap 53 and the removable connection of articulated slab 54, can replace matched lower end cap 53 according to different Ordination of pump demands, and nothing
Need to change entire lower end cap module 51.Save the activity duration.The scope of application of the utility model is improved simultaneously.
Filter 8 is equipped between the water tank 6 and water-supply-pipe 71.Filter 8 can effectively prevent other materials with this water delivery
Pipes 71 etc. enter in water pump, prevent impurity etc. from influencing pump performance.
The lower narrow upper width of subordinate of the upper plug head 4；The lower end cap 53 is up-narrow and down-wide.Such structure can be improved upper plug head 4,
Lower end cap 53 blocks the efficiency of the inlet and outlet of water pump 0, while improving upper plug head 4, leakproofness when lower end cap 53 blocks operation.
Certainly, the utility model can also have other various embodiments, without departing substantially from the spirit of the present invention and its essence
In the case of, those skilled in the art can make various corresponding changes and modifications, but these phases according to the utility model
The change and modification answered all should belong to the protection scope of the utility model the attached claims.
Claims (10)
1. water pump fast pressure testing device, it is characterised in that: including workbench, clamping structure, upper telescoping cylinder, upper plug head, lower end cap
Structure and water tank；Side, which is erect, above the workbench is fixed with support column, is equipped with bracket on the inside of support column；It is described flexible
Cylinder is installed on bracket, and upper plug head is installed below telescoping cylinder；Run through on the upper plug head and is connected with a water inlet pipe, water inlet pipe
Import is located above upper plug head, and the import of water inlet pipe is located at below upper plug head；The clamping structure includes fixed part, activity folder
Portion, pillar and clamping cylinder；Fixed part is fixed at support column lower inside；The pillar is fixed on workbench with respect to support column
The other side, clamping cylinder are installed on pillar, and activity folder portion is fixedly connected on the inside of clamping cylinder；The lower end cap structure is installed on
Among workbench；Stabilizer blade is arranged below in the workbench；The water tank is installed on stabilizer blade；The water inlet pipe import is defeated by one
Water pipe is connected to water tank.
2. water pump fast pressure testing device according to claim 1, it is characterised in that: the support column is equipped with several groups not
Level prepackage hole；The stent outer be equipped with and prepackage the matched installation screw rod in hole, installation screw rod at least there are two；Bracket
The prepackage hole for being installed on support column by installing screw rod, and by securing the stand to support column with the installation matched nut of screw rod
Inside；Bracket changes bracket, upper plug head, the height of upper telescoping cylinder and upper telescoping cylinder by being installed on different groups of prepackage hole
The direction of motion.
3. water pump fast pressure testing device according to claim 1, it is characterised in that: be equipped with port among the workbench；
The lower end cap structure includes lower end cap module and lower telescoping cylinder, and lower end cap module one end is articulated with workbench lower inside, separately
One end and the upper end of lower telescoping cylinder are hinged；The diameter on lower end cap module top is less than the diameter of port, lower end cap module top
Height is greater than the axial width of port；The lower end of the lower telescoping cylinder is articulated with workbench lower inside；The lower telescoping cylinder position
In lower end cap module in the following, for driving lower end cap module to rotate around with the hinged position of workbench；Instantly under telescoping cylinder driving
When plug module is rotated up, lower end cap module top passes through port, is exposed to above workbench.
4. water pump fast pressure testing device according to claim 3, it is characterised in that: be equipped with mounting groove among the workbench
Mouthful, removable movable plate is installed in installation notch；When movable plate is mounted on installation notch, the upper surface of movable plate and work
Platform flushes；The port is set among movable plate.
5. water pump fast pressure testing device according to claim 1, it is characterised in that: the water inlet pipe upper end and upper telescoping cylinder
It is threadedly coupled.
6. water pump fast pressure testing device according to claim 1, it is characterised in that: the water inlet pipe is integrated with upper plug head
It is made.
7. water pump fast pressure testing device according to claim 3, it is characterised in that: the lower end cap module includes lower end cap
And articulated slab；Described articulated slab one end is articulated with workbench lower inside, and the upper end of the other end and lower telescoping cylinder is hinged；Under described
Plug is installed on above articulated slab by fastener.
8. water pump fast pressure testing device according to claim 1, it is characterised in that: the fixed part of the clamping structure, work
Backing plate is equipped on the inside of dynamic folder portion.
9. water pump fast pressure testing device according to claim 1, it is characterised in that: be equipped between the water tank and water-supply-pipe
Filter.
10. water pump fast pressure testing device according to claim 7, it is characterised in that: the narrow upper width of subordinate under the upper plug head；
The lower end cap is up-narrow and down-wide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822041744.4U CN209067448U (en) | 2018-12-06 | 2018-12-06 | Water pump fast pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822041744.4U CN209067448U (en) | 2018-12-06 | 2018-12-06 | Water pump fast pressure testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209067448U true CN209067448U (en) | 2019-07-05 |
Family
ID=67101341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822041744.4U Active CN209067448U (en) | 2018-12-06 | 2018-12-06 | Water pump fast pressure testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209067448U (en) |
-
2018
- 2018-12-06 CN CN201822041744.4U patent/CN209067448U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101117885B (en) | Well control method for changing valve under pressure | |
| CN204085802U (en) | Leak tester | |
| CN209727380U (en) | A kind of mobile muffler detection device | |
| CN209067448U (en) | Water pump fast pressure testing device | |
| CN207372205U (en) | Bar cropper | |
| CN205841137U (en) | A kind of vacuum extractor | |
| CN208171372U (en) | Automatic gauge liquid-adding tube | |
| CN207533486U (en) | A kind of lightning protection device glue pouring machine | |
| CN208681391U (en) | One kind is convenient for the different shape and size of auto parts fixtures of clamping | |
| CN209264258U (en) | A kind of water pump fast-assembling experiment porch | |
| CN205300868U (en) | Gas tightness test machine that changes tube replacement spare is moulded to steel | |
| CN211008729U (en) | Spraying dust removal equipment for coal mine electromechanical fully mechanized mining support | |
| CN115235979A (en) | Tunnel excavation off-load country rock infiltration test device | |
| CN204865135U (en) | Processing pressure filter for organic pigment | |
| CN105841895B (en) | Joint sealing equipment | |
| CN208327543U (en) | Aerator is used in a kind of improvement of black and odorous water | |
| CN210889239U (en) | Water pumping pedal | |
| CN209067447U (en) | Sea water pump exfactory inspection system | |
| CN208073886U (en) | Hydraulic semi-automatic takes out material machine | |
| CN105255727A (en) | Full-automatic fluorescence in-situ hybridization instrument | |
| CN212003558U (en) | Oil filtering device for mechanical pump | |
| CN219489584U (en) | Filling equipment for processing barreled purified water with quantitative drainage | |
| CN207291973U (en) | A kind of connection structure of hydraulic leg support plate | |
| CN216840664U (en) | Manual cloth machine with improvement formula counter weight adjustment mechanism | |
| CN220791521U (en) | Quick mechanical seal dynamic pressure testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Quick pressure testing device for water pumps Granted publication date: 20190705 Pledgee: Suining Bank Co.,Ltd. Mianyang Branch Pledgor: SICHUAN SANTAI JIANMEN PUMP CO.,LTD. Registration number: Y2024980003068 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |