CN216920516U - High-efficiency energy-saving constant-pressure water supply device - Google Patents
High-efficiency energy-saving constant-pressure water supply device Download PDFInfo
- Publication number
- CN216920516U CN216920516U CN202122445860.4U CN202122445860U CN216920516U CN 216920516 U CN216920516 U CN 216920516U CN 202122445860 U CN202122445860 U CN 202122445860U CN 216920516 U CN216920516 U CN 216920516U
- Authority
- CN
- China
- Prior art keywords
- water
- water supply
- fixedly connected
- block
- wall
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 136
- 230000007246 mechanism Effects 0.000 claims abstract description 59
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 230000000903 blocking effect Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 10
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an efficient energy-saving constant-pressure water supply device, which relates to the technical field of efficient energy conservation of constant-pressure water supply devices and comprises a water supply device, wherein the water supply device comprises a municipal water inlet tank, the bottom surface of the municipal water inlet tank is fixedly connected with a base, the left side of the municipal water inlet tank is fixedly connected with a first water delivery pipe, the left side of the first water delivery pipe is movably connected with a water pump replacing mechanism, and the left side of the water pump replacing mechanism is movably connected with a second water delivery pipe. According to the utility model, the first connecting mechanism and the second connecting mechanism are separated by the twisting bolt through the matching of the second connecting mechanism and the first connecting mechanism, so that the water pump is taken down for replacement, after the replacement is finished, the first connecting mechanism and the second connecting mechanism are connected together by the twisting bolt, and the convex sealing ring and the concave sealing ring are tightly attached under the action of the bolt, so that the problem that inconvenience is caused to the life of residents due to the fact that water supply needs to be stopped during equipment replacement and maintenance is solved, and the function of permanent and continuous water supply is achieved.
Description
Technical Field
The utility model relates to the technical field of high efficiency and energy conservation of constant-pressure water supply devices, in particular to a high-efficiency energy-saving constant-pressure water supply device.
Background
The constant pressure water supply equipment has one additional small pump in it, and when the water consumption is less than the water output of the small pump, the small pump supplies water and maintains pressure. The following problems exist in the prior art:
1. when the parts are replaced and maintained, the constant-pressure water supply equipment in the current market needs to stop supplying water, so that inconvenience is brought to the life of residents;
2. when the equipment is maintained and replaced, the equipment stops working, and the working efficiency of the equipment is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides an efficient energy-saving constant-pressure water supply device, which aims to have the function of permanent continuous water supply and solve the problem that the constant-pressure water supply equipment in the current market needs to stop supplying water when replacing and maintaining parts, so that inconvenience is brought to the life of residents; the other purpose is to solve the problem that the equipment stops working and the working efficiency of the equipment is reduced when the equipment is maintained and replaced, so that the equipment can continuously work, the efficiency is improved, and the domestic water of residents is optimized.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
the utility model provides an energy-efficient constant voltage water supply installation, includes water supply installation, water supply installation includes that the municipal administration goes into the water pitcher, the bottom surface fixedly connected with base of water pitcher is gone into to the municipal administration, the first raceway of left side fixedly connected with of water pitcher is gone into to the municipal administration, the left side swing joint of first raceway has water pump replacement mechanism, the left side swing joint of water pump replacement mechanism has the second raceway, the left side fixedly connected with of second raceway is gone into the household water pipe, the bottom surface of the water pipe of going into the household is connected with the last fixed surface of base.
The water pump replacing mechanism comprises a water pump and a bolt, a rubber pad is fixedly connected to the bottom surface of the water pump, the bottom surface of the rubber pad is movably connected with the upper surface of the base, first connecting mechanisms are movably connected to the outer surfaces of the two sides of the water pump, a second connecting structure is movably connected to the outer side surface, away from the water pump replacing mechanism, of one side of each first connecting mechanism, a bolt is connected to the inner surface of each second connecting structure in a threaded mode, and a first water delivery pipe and a second water delivery pipe are movably connected to the side surface, away from the first connecting mechanisms, of one side of each second connecting structure.
The technical scheme of the utility model is further improved as follows: the first connecting mechanism comprises a first connecting block, a convex sealing ring is fixedly connected to the surface of the right side of the first connecting block, a first circular groove is formed in the first connecting block, the second connecting mechanism comprises a second connecting block, a groove is formed in the left side of the second connecting block, a concave sealing ring is fixedly connected to the inner wall of the groove, the outer wall of the convex sealing ring is tightly attached to the outer wall of the concave sealing ring, and a first square groove and a second circular groove are formed in the second connecting block.
Adopt above-mentioned technical scheme, first circular slot and second circular slot are the intercommunication, and protruding sealing washer and concave sealing washer can closely laminate in order to prevent that rivers from going out under the effect of bolt, and first square groove is favorable to the choked flow piece to slide in order to cut off rivers in the second connecting block.
The technical scheme of the utility model is further improved as follows: the inside intermediate position of second connecting block is provided with the piece of blocking current, the inner wall swing joint of the piece outer wall of blocking current through first square groove and second connecting block, the second square groove has all been seted up to the both sides inner wall of second connecting block, the bottom of second connecting block is provided with pushing and pressing mechanism.
By adopting the technical scheme, the pushing mechanism in the scheme is arranged to eject the flow blocking block to recover water supply, and the flow blocking block slides in the first square groove and then reaches the second square groove to be clamped so as to block water flow.
The technical scheme of the utility model is further improved as follows: third square groove has all been seted up to the both sides outer wall of choked flow piece, the first spring of inner wall side fixedly connected with in third square groove, the first movable block of one end fixed connection of first spring, the outside of first movable block and the inner wall swing joint in second square groove.
Adopt above-mentioned technical scheme, first spring in this scheme helps first movable block to stretch out and draw back when sliding in the inner wall of second connecting block, and then blocks and promote the choked flow piece.
The technical scheme of the utility model is further improved as follows: the bottom of second connecting block has seted up the fourth square groove, fixed surface is connected with the second spring on the inner wall of fourth square groove, the bottom surface fixedly connected with second movable block of second spring, the outer wall of second movable block and the inner wall swing joint in fourth square groove, the bottom surface fixedly connected with of second movable block presses the briquetting.
By adopting the technical scheme, the top surface of the second movable block in the scheme is connected with the second spring, the bottom surface of the second movable block is connected with the pressing block, the pressing block is pushed, and the second movable block moves in the fourth square groove under the action of the second spring
The technical scheme of the utility model is further improved as follows: the pushing mechanism comprises a push rod, the bottom surface of the push rod is located in the middle of the inner portion of the second spring and fixedly connected with the top surface of the second movable block, and the top surface of the push rod extends to the inner portion of the second square groove and movably connected with the outer side of the first movable block.
By adopting the technical scheme, when the second movable block moves in the fourth square groove, the push rod extrudes the first movable block, and the second spring is arranged outside the outer wall of the push rod in a glowing manner.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the technical progress that:
1. the utility model provides an efficient energy-saving constant-pressure water supply device, which adopts the matching of a second connecting structure and a first connecting structure, a first connecting structure and a second connecting structure are separated by a twisting bolt, a water pump is taken down for replacement, the first connecting structure and the second connecting structure are connected together by the twisting bolt after the replacement, and a convex sealing ring and a concave sealing ring are tightly attached under the action of the bolt, so that the problem that the inconvenience is caused to the life of residents due to the fact that water supply needs to be stopped when equipment is replaced and maintained is solved, and the function of permanently and continuously supplying water is achieved.
2. The utility model provides a high-efficiency energy-saving constant-pressure water supply device, which adopts the matching of a choke block, a second connecting block and a pushing mechanism to press the choke block downwards, a first movable block and the inner wall of the second connecting block are extruded and retract into a third square groove after being extruded, then the choke block slides downwards, when the choke block moves to the second square groove, the first movable block extends out of the second square groove under the action of a first spring, then the choke block is clamped in the second square groove to block the water flow in a second circular groove, the pushing block is pressed down, a push rod can push the first movable block to retract, and then the first movable block is clamped in the second square groove moving to the upper part, the water flow flows into a water pump replacing mechanism through the second circular groove, water is supplied to a user through the water pump replacing mechanism, the problem that the equipment stops working efficiency when maintaining and replacing the equipment is solved, so that the equipment can continuously work is achieved, the efficiency is improved, and the effect of the domestic water of residents is optimized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a water pump replacement mechanism according to the present invention;
FIG. 3 is a schematic view of the first and second coupling structures of the present invention;
FIG. 4 is a schematic structural diagram of a choke block according to the present invention;
fig. 5 is a schematic structural view of the pushing mechanism of the present invention.
In the figure: 1. a water supply device; 2. a base; 3. a water pipe entering the house; 4. a water pump replacement mechanism; 5. a municipal water inlet tank; 7. a first water delivery pipe; 8. a second water delivery pipe; 41. a water pump; 42. a first connecting mechanism; 43. a second connecting structure; 44. a bolt; 45. a rubber pad; 421. a first connection block; 422. a convex seal ring; 423. a first circular groove; 431. a second connecting block; 432. a groove; 433. a concave seal ring; 434. a first square groove; 435. a second circular groove; 436. a flow blocking block; 437. a second square groove; 438. a pushing mechanism; 4361. a third square groove; 4362. a first spring; 4363. a first movable block; 4381. a push rod; 4382. a second spring; 4383. a second movable block; 4384. a pressing block; 4385. and a fourth square groove.
Detailed Description
The present invention is further illustrated in detail below with reference to examples:
example 1
As shown in fig. 1-5, the utility model provides a high-efficiency energy-saving constant-pressure water supply device, which comprises a water supply device 1, wherein the water supply device 1 comprises a municipal water inlet tank 5, the bottom surface of the municipal water inlet tank 5 is fixedly connected with a base 2, the left side of the municipal water inlet tank 5 is fixedly connected with a first water pipe 7, the left side of the first water pipe 7 is movably connected with a water pump replacing mechanism 4, the left side of the water pump replacing mechanism 4 is movably connected with a second water pipe 8, the left side of the second water pipe 8 is fixedly connected with a household water pipe 3, the bottom surface of the household water pipe 3 is fixedly connected with the upper surface of the base 2, the water pump replacing mechanism 4 comprises a water pump 41 and a bolt 44, the bottom surface of the water pump 41 is fixedly connected with a rubber pad 45, the bottom surface of the rubber pad 45 is movably connected with the upper surface of the base 2, the outer surfaces of two sides of the water pump 41 are both movably connected with a first connecting mechanism 42, one side of the first connecting mechanism 42 and the outer side surface far away from the water pump replacing mechanism 4 are movably connected with a second connecting structure 43, the inner surface of the second connecting structure 43 is connected with a bolt 44 in a threaded manner, and a first water pipe 7 and a second water pipe 8 are movably connected to one side of the second connecting structure 43 and the side surface far away from the first connecting structure 42.
In this embodiment, the water in the municipal water inlet tank 5 reaches the water pipe 3 to be supplied with water through the transportation of the first water pipe 7 and the second water pipe 8 under the action of the water pump replacing mechanism 4, the first connecting mechanism 42 and the second connecting structure 43 are connected through the bolt 44, and the water pump replacing mechanism 4 can be replaced without stopping the water supply through the cooperation of the first connecting mechanism 42 and the second connecting structure 43.
Example 2
As shown in fig. 1 to 5, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the first connecting mechanism 42 includes the first connecting block 421, the convex sealing ring 422 is fixedly connected to the right side surface of the first connecting block 421, the first circular groove 423 has been seted up in the inside of the first connecting block 421, the second connecting structure 43 includes the second connecting block 431, the groove 432 has been seted up in the left side of the second connecting block 431, the concave sealing ring 433 is fixedly connected to the inner wall of the groove 432, the outer wall of the convex sealing ring 422 is closely attached to the outer wall of the concave sealing ring 433, the first square groove 434 and the second circular groove 435 have been seted up in the inside of the second connecting block 431.
In this embodiment, the first circular groove 423 is communicated with the second circular groove 435, the male sealing ring 422 and the female sealing ring 433 are tightly attached to prevent water from flowing out under the action of the bolt 44, and the first square groove 434 facilitates the flow blocking block 436 to slide in the second connecting block 431 to block water flow.
Example 3
As shown in fig. 1 to 5, on the basis of embodiment 1, the present invention provides a technical solution: preferably, a flow blocking block 436 is arranged at the middle position inside the second connection block 431, the outer wall of the flow blocking block 436 is movably connected with the inner wall of the second connection block 431 through a first square groove 434, second square grooves 437 are respectively formed in the inner walls of the two sides of the second connection block 431, a pushing mechanism 438 is arranged at the bottom of the second connection block 431, third square grooves 4361 are respectively formed in the outer walls of the two sides of the flow blocking block 436, a first spring 4362 is fixedly connected to the inner wall side of each third square groove 4361, a first movable block 4363 is fixedly connected to one end of each first spring 4362, and the outer side of each first movable block 4363 is movably connected with the inner wall of each second square groove 437.
In this embodiment, when the choke block 436 is pressed downward, the inner walls of the first movable block 4363 and the second connecting block 431 are squeezed, the squeezed inner wall retracts into the third square groove 4361, then the choke block 436 slides downward, and when the choke block 437 moves to the second square groove 437, the first movable block 4363 extends into the second square groove 437 under the action of the first spring 4362, and then the choke block 436 is clamped in the second square groove 437 to block the water flow in the second circular groove 435.
Example 4
As shown in fig. 1 to 5, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the bottom of the second connecting block 431 is provided with a fourth groove 4385, the upper surface of the inner wall of the fourth groove 4385 is fixedly connected with a second spring 4382, the bottom surface of the second spring 4382 is fixedly connected with a second movable block 4383, the outer wall of the second movable block 4383 is movably connected with the inner wall of the fourth groove 4385, the bottom surface of the second movable block 4383 is fixedly connected with a pressing block 4384, the pushing mechanism 438 comprises a push rod 4381, the bottom surface of the push rod 4381 is positioned in the middle of the inside of the second spring 4382 and is fixedly connected with the top surface of the second movable block 4383, and the top surface of the push rod 4381 is extended to the inside of the second groove 437 and is movably connected with the outside of the first movable block 4363.
In this embodiment, when the pressing block 4384 is pressed, the second movable block 4383 moves upward in the fourth groove 4385, and the push rod 4381 fixed to the second movable block 4383 also moves upward, so as to press the first movable block 4363, so that the choke block 436 moves upward, and after the pressing block 4384 stops being pressed, the second movable block 4383 returns to the original position under the action of the second spring 4382.
The working principle of the high-efficiency energy-saving constant-pressure water supply device is described in detail below.
As shown in fig. 1-5, when in use, the choke block 436 is pressed downward, the first movable block 4363 and the inner wall of the second connecting block 431 are pressed and retracted into the third square groove 4361 after being pressed, then the choke block 436 slides downward, when moving to the second square groove 437, the first movable block 4363 extends into the second square groove 437 under the action of the first spring 4362, then the choke block 436 is clamped in the second square groove 437 to block the water flow in the second circular groove 435, the bolt 44 is twisted to separate the first connecting mechanism 42 from the second connecting mechanism 43, and the water pump replacing mechanism 4 is removed for replacement, when replacing the new water pump replacing mechanism 4, the bolt 44 is twisted to connect the first connecting mechanism 42 and the second connecting mechanism 43 together, the male sealing ring 422 and the female sealing ring 433 are tightly attached under the action of the bolt 44, the pressing block 4384 is pressed down, the push rod 4381 pushes the first movable block 4363 to retract, and then, the water is caught in the second square groove 437 which moves upward, and the water flows into the water pump exchange mechanism 4 through the second circular groove 435, and the water is supplied to the user through the water pump exchange mechanism 4.
The present invention has been described in general terms, but it will be apparent to those skilled in the art that modifications and improvements can be made based on the present invention. Therefore, modifications or improvements are within the scope of the utility model without departing from the spirit of the inventive concept.
Claims (6)
1. The utility model provides an energy-efficient type constant pressure water supply installation, includes water supply installation (1), its characterized in that: the water supply device (1) comprises a municipal water inlet tank (5), the bottom surface of the municipal water inlet tank (5) is fixedly connected with a base (2), the left side of the municipal water inlet tank (5) is fixedly connected with a first water delivery pipe (7), the left side of the first water delivery pipe (7) is movably connected with a water pump replacing mechanism (4), the left side of the water pump replacing mechanism (4) is movably connected with a second water delivery pipe (8), the left side of the second water delivery pipe (8) is fixedly connected with a household water pipe (3), and the bottom surface of the household water pipe (3) is fixedly connected with the upper surface of the base (2);
the water pump replacing mechanism (4) comprises a water pump (41) and a bolt (44), a rubber pad (45) is fixedly connected to the bottom surface of the water pump (41), the bottom surface of the rubber pad (45) is movably connected with the upper surface of the base (2), first connecting mechanisms (42) are movably connected to the outer surfaces of the two sides of the water pump (41), a second connecting structure (43) is movably connected to the surface of the outer side, away from the water pump replacing mechanism (4), of one side of each first connecting mechanism (42), a bolt (44) is connected to the inner surface of each second connecting structure (43) in a threaded mode, and a first water conveying pipe (7) and a second water conveying pipe (8) are movably connected to the side surface, away from the first connecting mechanisms (42), of one side of each second connecting structure (43).
2. The high-efficiency energy-saving constant-pressure water supply device as claimed in claim 1, wherein: first coupling mechanism (42) include first connecting block (421), the right side fixed surface of first connecting block (421) is connected with protruding sealing washer (422), first circular slot (423) have been seted up to the inside of first connecting block (421), second connection structure (43) include second connecting block (431), recess (432) are seted up to the left side of second connecting block (431), the concave sealing washer (433) of inner wall fixedly connected with of recess (432), the outer wall of protruding sealing washer (422) closely laminates with the outer wall of concave sealing washer (433), first square groove (434) and second circular slot (435) have been seted up to the inside of second connecting block (431).
3. The high-efficiency energy-saving constant-pressure water supply device as claimed in claim 2, wherein: the inner middle position of the second connecting block (431) is provided with a flow blocking block (436), the outer wall of the flow blocking block (436) is movably connected with the inner wall of the second connecting block (431) through a first square groove (434), the inner walls of two sides of the second connecting block (431) are provided with second square grooves (437), and the bottom of the second connecting block (431) is provided with a pushing and pressing mechanism (438).
4. An energy-efficient constant pressure water supply device as claimed in claim 3, wherein: third square groove (4361) have all been seted up to the both sides outer wall of choked flow piece (436), the first spring (4362) of inner wall side fixedly connected with of third square groove (4361), the first movable block (4363) of one end fixed connection of first spring (4362), the outside of first movable block (4363) and the inner wall swing joint of second square groove (437).
5. An energy-efficient constant pressure water supply device as claimed in claim 3, wherein: fourth square groove (4385) have been seted up to the bottom of second connecting block (431), the inner wall upper surface fixedly connected with second spring (4382) of fourth square groove (4385), the bottom surface fixedly connected with second movable block (4383) of second spring (4382), the outer wall of second movable block (4383) and the inner wall swing joint of fourth square groove (4385), the bottom surface fixedly connected with of second movable block (4383) presses piece (4384).
6. The high-efficiency energy-saving constant-pressure water supply device as claimed in claim 5, wherein: the pushing mechanism (438) comprises a push rod (4381), the bottom surface of the push rod (4381) is positioned in the middle of the inside of the second spring (4382) and fixedly connected with the top surface of the second movable block (4383), and the top surface of the push rod (4381) extends to the inside of the second square groove (437) and is movably connected with the outer side of the first movable block (4363).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122445860.4U CN216920516U (en) | 2021-10-11 | 2021-10-11 | High-efficiency energy-saving constant-pressure water supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122445860.4U CN216920516U (en) | 2021-10-11 | 2021-10-11 | High-efficiency energy-saving constant-pressure water supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216920516U true CN216920516U (en) | 2022-07-08 |
Family
ID=82223389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122445860.4U Expired - Fee Related CN216920516U (en) | 2021-10-11 | 2021-10-11 | High-efficiency energy-saving constant-pressure water supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216920516U (en) |
-
2021
- 2021-10-11 CN CN202122445860.4U patent/CN216920516U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216920516U (en) | High-efficiency energy-saving constant-pressure water supply device | |
| CN201944395U (en) | Seesaw-type left & right control water saving valve | |
| CN203594568U (en) | Dual-purpose photovoltaic water pumping device | |
| CN104019065A (en) | Pressure exchange method of pressure exchange pump | |
| CN214530906U (en) | Box type negative-pressure-free energy-saving supercharging device | |
| CN204841044U (en) | Upflow tube settler with recoil cleaning function | |
| CN2840691Y (en) | Fully automatic hydraulic corn straw feedstuff compressor | |
| CN212006910U (en) | Condenser | |
| CN214286848U (en) | Efficient energy-saving device of plate-frame filter press | |
| CN105587007B (en) | Waster water reuse apparatus | |
| CN221091964U (en) | Leak-proof emulsion pump | |
| CN209368946U (en) | A kind of Internet of Things water supply terminal | |
| CN113883719A (en) | Energy-saving water heater | |
| CN205444297U (en) | Unpowered waste water reuse device | |
| CN202715915U (en) | Centralized water supply device for numerically-controlled wire cutting machine | |
| CN212717179U (en) | Screw air compressor for producing heat-insulating and energy-saving building wall material | |
| CN216201368U (en) | Tap water tap convenient to dismouting | |
| CN203330029U (en) | Movable type jetting machine | |
| CN115987201B (en) | Intelligent automatic cleaning device for circulating spray type photovoltaic panel | |
| CN204608934U (en) | Water-saving closet | |
| CN217053619U (en) | Multifunctional water-saving faucet | |
| CN214324279U (en) | Novel horizontal hydraulic oil press | |
| CN215100725U (en) | Scraper type stacker-reclaimer for long stock ground | |
| CN2477715Y (en) | Pipe pressure storage toilet | |
| CN215174013U (en) | Material progressive device for processing steel bar truss |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220708 |