CN215860718U - Novel air compressor for providing high-pressure and low-pressure gas - Google Patents
Novel air compressor for providing high-pressure and low-pressure gas Download PDFInfo
- Publication number
- CN215860718U CN215860718U CN202122485355.2U CN202122485355U CN215860718U CN 215860718 U CN215860718 U CN 215860718U CN 202122485355 U CN202122485355 U CN 202122485355U CN 215860718 U CN215860718 U CN 215860718U
- Authority
- CN
- China
- Prior art keywords
- pressure
- cabinet
- cover
- low
- box
- 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
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a novel air compressor for providing high-pressure and low-pressure gas, which comprises a protection cabinet, a cabinet cavity, a sound insulation pad, a moving wheel, a supporting seat, a first handle, a high-pressure gas supply machine body, a first gas outlet pipe, a conveying pipe, a low-pressure gas supply machine body, a second gas outlet pipe, a gas inlet pipe, a detachable dust cover structure, a heat dissipation vertical box structure and a second handle, wherein the cabinet cavity is formed in the protection cabinet, and the sound insulation pad is connected to the inner wall of the cabinet cavity through a bolt; the movable wheels are respectively installed at the four corners of the lower end of the protection cabinet through bolts; the supporting seat is welded at the lower part of the left end of the protection cabinet, and meanwhile, a first handle is welded at the upper end of the supporting seat; the high-pressure air feeder body is arranged on the left side of the upper part of the inner wall of the cabinet cavity through bolts. The utility model has the beneficial effects that: through the setting of dismouting dust cover structure, realize dustproof protection to the department of admitting air.
Description
Technical Field
The utility model belongs to the technical field of air compression, and particularly relates to a novel air compressor for providing high-pressure and low-pressure gas.
Background
The air compressors are similar to water pumps in construction, and most of them are of the reciprocating piston type, and are divided into a plurality of types according to the working principle, lubrication mode, performance, and the like, with rotating blades or rotating screws.
However, the conventional air compressor has problems that it is inconvenient to radiate heat while reducing noise and it is inconvenient to protect an intake air from dust.
Therefore, it is necessary to invent a new type of air compressor for supplying high and low pressure air.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a novel air compressor for providing high-pressure and low-pressure gas, so as to solve the problems that the existing air compressor is inconvenient to radiate heat and protect an air inlet at the same time of reducing noise. A novel air compressor for providing high-pressure and low-pressure gas comprises a protection cabinet, a cabinet cavity, a sound insulation pad, a movable wheel, a supporting seat, a first handle, a high-pressure gas supply machine body, a first gas outlet pipe, a conveying pipe, a low-pressure gas supply machine body, a second gas outlet pipe, a gas inlet pipe, a detachable dust cover structure, a heat dissipation vertical box structure and a second handle, wherein the cabinet cavity is formed in the protection cabinet, and the sound insulation pad is connected to the inner wall of the cabinet cavity through a bolt; the movable wheels are respectively installed at the four corners of the lower end of the protection cabinet through bolts; the supporting seat is welded at the lower part of the left end of the protection cabinet, and meanwhile, a first handle is welded at the upper end of the supporting seat; the high-pressure air feeder body is arranged on the left side of the upper part of the inner wall of the cabinet cavity through a bolt; the first air outlet pipe penetrates through the protection cabinet and is embedded in the upper part of the left side of the high-pressure air feeder body; one end of the conveying pipe is embedded at the bottom of the high-pressure air feeder body, and the other end of the conveying pipe is embedded at the lower part of the left side of the low-pressure air feeder body; the second air outlet pipe penetrates through the protection cabinet and is embedded in the lower part of the right side of the low-pressure air feeder body; the air inlet pipe penetrates through the protection cabinet and is embedded in the upper part of the left side of the low-pressure air feeder body; the dust cover dismounting and mounting structure is arranged on the outer wall of the air inlet pipe; the heat dissipation vertical box structures are respectively arranged at the left side and the right side above the inside of the protection cabinet; the second handle is welded on the front side of the left end of the protection cabinet; the dust cover dismounting and mounting structure comprises a positioning cylinder, a manual plate, a dismounting and mounting cover, a support ring, a support cover, a support rod and a dust screen, wherein the positioning cylinder is in threaded connection with the upper part of the outer wall of the air inlet pipe; the manual plates are respectively welded on the left side and the right side of the outer walls of the positioning cylinder and the dismounting cover; the support ring is arranged at the lower side in the dismounting cover; supporting rods are welded on the front side and the rear side of the inner wall of the supporting cover; the supporting rods are respectively welded on the front side and the rear side of the upper end of the supporting ring; the dust screen is placed on the outer surface of the support cover.
Preferably, the heat dissipation vertical box structure comprises a vertical box, a first baffle, a second baffle, a detachable cover, a manual rod, a connecting hose and a heat dissipation box structure, wherein the first baffle is welded on the right side of the inner wall of the vertical box; the second baffle plate is welded on the left side of the inner wall of the vertical box and the left surface of the first baffle plate respectively; the detachable covers are respectively inserted into the left side and the right side of the rear part above the inside of the protection cabinet, and the lower ends of the detachable covers are connected with the vertical boxes through bolts; the manual levers are respectively welded on the left side and the right side of the upper end of the dismounting cover; the connecting hoses penetrate through the protection cabinet and are respectively embedded at the left side and the right side above the rear part of the vertical box; the heat dissipation box structure is arranged on the right side of the connecting hose.
Preferably, the heat dissipation box structure comprises a main placing box, a placing cavity, an intercepting net, a water pump, a transverse plate and a heat dissipation fan, wherein a connecting hose is embedded in the upper part of the left side of the main placing box; the placing cavity is formed in the placing main box; the intercepting net bolt is arranged on the upper part of the inner wall of the placing cavity; the water pump bolt is arranged at the right lower part of the front end of the main box, and a connecting hose is embedded at the upper end of the water pump; the transverse plate is installed on the middle upper portion of the inner wall of the placing cavity through bolts, and meanwhile the left side and the right side of the inner portion of the transverse plate are connected with the cooling fan through bolts.
Preferably, the through hole is formed in the upper portion inside the dismounting cover, the dustproof net is tightly attached to the inner side of the through hole, the dustproof net is made of an activated carbon net, and the dustproof net is supported through the supporting cover.
Preferably, the manual plates are square steel plates, the number of the manual plates is four, and linear anti-skid grains are arranged on the outer walls of the manual plates.
Preferably, the space inside the standing box is divided by a first baffle and a second baffle.
Preferably, the detachable cover is T-shaped, and the detachable cover and the protection cabinet are fixedly connected by bolts.
Preferably, the lower part of the cooling fan is provided with a connecting hose, and the upper end of the cooling fan corresponds to the intercepting net.
Preferably, the rear end of the water pump is communicated with the main placing box, and the water pump is connected with the vertical box through a connecting hose.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the positioning cylinder, the dismounting cover and the air inlet pipe are separated and assembled when the positioning cylinder and the manual plate are arranged in manual rotation.
2. In the utility model, the support ring, the support cover and the support rod are arranged and are used in cooperation with the dust screen for supporting.
3. In the utility model, the arrangement of the dismounting cover and the dustproof net realizes dustproof protection on the air inlet.
4. In the utility model, the vertical box, the first baffle and the second baffle are arranged to assist cooling while reducing noise by matching with the flow of cooling liquid.
5. In the utility model, the detachable cover and the manual lever are arranged, and the vertical box is detached and assembled by manual operation.
6. In the utility model, the arrangement of the connecting hose is matched with the flowing of the cooling liquid.
7. In the utility model, the arrangement of the main placing box, the placing cavity and the water pump is matched with the storage of cooling liquid and the transportation for use.
8. In the utility model, the arrangement of the interception net, the transverse plate and the heat dissipation fan assists the stored cooling liquid to dissipate heat.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the detachable dust cover structure of the present invention.
Fig. 3 is a schematic structural diagram of the heat-dissipating vertical box structure of the present invention.
Fig. 4 is a schematic structural diagram of the heat dissipation box structure of the present invention.
In the figure:
1. a protection cabinet; 2. a cabinet cavity; 3. a sound insulating pad; 4. a moving wheel; 5. a supporting seat; 6. a first handle; 7. a high pressure air feeder body; 8. a first air outlet pipe; 9. a delivery pipe; 10. a low pressure air feeder body; 11. a second air outlet pipe; 12. an air inlet pipe; 13. disassembling and assembling the dust cover structure; 131. a positioning cylinder; 132. a manual plate; 133. disassembling and assembling the cover; 134. a support ring; 135. a support housing; 136. a strut; 137. a dust screen; 14. a heat-dissipating vertical box structure; 141. erecting a box; 142. a first baffle plate; 143. a second baffle; 144. disassembling and assembling the cover; 145. a manual lever; 146. A connecting hose; 147. a heat dissipation box structure; 1471. placing a main box; 1472. a placement chamber; 1473. An intercepting net; 1474. a water pump; 1475. a transverse plate; 1476. a heat radiation fan; 15. a second handle.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
example (b):
as shown in fig. 1, a novel air compressor for providing high-pressure and low-pressure gas comprises a protection cabinet 1, a cabinet cavity 2, a sound insulation pad 3, a moving wheel 4, a supporting seat 5, a first handle 6, a high-pressure gas supply machine body 7, a first gas outlet pipe 8, a conveying pipe 9, a low-pressure gas supply machine body 10, a second gas outlet pipe 11, a gas inlet pipe 12, a detachable dust cover structure 13, a heat dissipation vertical box structure 14 and a second handle 15, wherein the cabinet cavity 2 is formed in the protection cabinet 1, and the sound insulation pad 3 is connected to the inner wall of the cabinet cavity 2 through bolts; the movable wheels 4 are respectively installed at the four corners of the lower end of the protection cabinet 1 through bolts; the supporting seat 5 is welded at the lower part of the left end of the protection cabinet 1, and meanwhile, the first handle 6 is welded at the upper end of the supporting seat 5; the high-pressure air feeder body 7 is arranged on the left side of the upper part of the inner wall of the cabinet cavity 2 through bolts; the first air outlet pipe 8 penetrates through the protection cabinet 1 and is embedded in the upper part of the left side of the high-pressure air feeder body 7; one end of the conveying pipe 9 is embedded at the bottom of the high-pressure air feeder body 7, and the other end of the conveying pipe is embedded at the lower part of the left side of the low-pressure air feeder body 10; the second air outlet pipe 11 penetrates through the protection cabinet 1 and is embedded at the lower part of the right side of the low-pressure air feeder body 10; the air inlet pipe 12 penetrates through the protection cabinet 1 and is embedded in the upper part of the left side of the low-pressure air feeder body 10; the dust cover dismounting and mounting structure 13 is arranged on the outer wall of the air inlet pipe 12; the heat dissipation vertical box structures 14 are respectively arranged at the left side and the right side above the inside of the protection cabinet 1; the second handle 15 is welded at the front side of the left end of the protection cabinet 1.
In the above embodiment, as shown in fig. 2, specifically, the detachable dust cover structure 13 includes a positioning cylinder 131, a manual plate 132, a detachable cover 133, a support ring 134, a support cover 135, a strut 136 and a dust screen 137, wherein the positioning cylinder 131 is screwed on the upper portion of the outer wall of the air inlet pipe 12; the manual plates 132 are respectively welded on the left side and the right side of the outer walls of the positioning cylinder 131 and the dismounting cover 133; the manual plate 132 is rotated to separate the positioning cylinder 131, the air inlet pipe 12 and the dismounting cover 133, and then the support ring 134, the support rod 136, the support cover 135 and the dust screen 137 are taken out for replacement and cleaning; the supporting ring 134 is placed at the lower side of the inside of the dismounting cover 133; supporting rods 136 are welded on the front side and the rear side of the inner wall of the supporting cover 135; the supporting rods 136 are respectively welded at the front side and the rear side of the upper end of the supporting ring 134; the low pressure air feeder body 10 filters external air through the dust screen 137 inside the detachable cover 133, and the dust screen 137 is placed on the outer surface of the support cover 135.
As shown in fig. 3, in the above embodiment, specifically, the heat dissipation vertical box structure 14 includes a vertical box 141, a first baffle 142, a second baffle 143, a detachable cover 144, a manual lever 145, a connecting hose 146 and a heat dissipation box structure 147, and the first baffle 142 is welded to the right side of the inner wall of the vertical box 141; the second baffle 143 is welded on the left side of the inner wall of the upright box 141 and the left surface of the first baffle 142; the cooling liquid flows between the second baffle 143 and the first baffle 142 to assist in heat dissipation of the high pressure gas feeder body 7 and the low pressure gas feeder body 10 inside the protection cabinet 1; the detachable cover 144 is inserted into the left and right sides of the upper rear part of the inside of the protection cabinet 1, and the lower end of the detachable cover 144 is connected with the vertical box 141 through a bolt; the manual levers 145 are respectively welded at the left and right sides of the upper end of the detachable cover 144; the connecting hoses 146 penetrate through the protection cabinet 1 and are respectively embedded at the left side and the right side above the rear part of the vertical box 141; the heat dissipation box structure 147 is installed at the right side of the connection hose 146.
As shown in fig. 4, in the above embodiment, specifically, the heat dissipation box structure 147 includes a main placing box 1471, a placing cavity 1472, an intercepting net 1473, a water pump 1474, a transverse plate 1475 and a heat dissipation fan 1476, and a connection hose 146 is embedded in an upper portion of a left side of the main placing box 1471; the placing cavity 1472 is arranged inside the placing main box 1471; the intercepting net 1473 is arranged at the upper part of the inner wall of the placing cavity 1472 through bolts; the water pump 1474 drives the cooling liquid in the placing cavity 1472 to enter the upright box 141 through the connecting hose 146; the water pump 1474 is mounted at the right lower part of the front end of the main box 1471 through bolts, and a connecting hose 146 is embedded at the upper end of the water pump 1474; the transverse plate 1475 is arranged at the middle upper part of the inner wall of the placing cavity 1472 through bolts, and meanwhile, the left side and the right side of the inside of the transverse plate 1475 are connected with a cooling fan 1476 through bolts; the heat radiation fan 1476 drives the work of performing the auxiliary heat radiation processing on the coolant.
In the above embodiment, the water pump 1474 is a model AD20P-1230B water pump, and the heat dissipation fan 1476 is a model 5E-230B fan.
Principle of operation
The working principle of the utility model is as follows: the low pressure gas feeder body 10 is driven to filter the outside air through the dust screen 137 in the detachable cover 133, then the outside air enters the low pressure gas feeder body 10 and is discharged from the second gas outlet pipe 11, meanwhile, the gas in the low pressure gas feeder body 10 enters the high pressure gas feeder body 7 through the delivery pipe 9 and is then discharged from the first gas outlet pipe 8, the water pump 1474 is driven to drive the cooling liquid in the placing cavity 1472 to enter the vertical box 141 through the connecting hose 146 during the use process, meanwhile, the cooling liquid flows between the second baffle 143 and the first baffle 142 to perform auxiliary heat dissipation on the high pressure gas feeder body 7 and the low pressure gas feeder body 10 in the protection cabinet 1, then the cooling liquid flows back to the placing cavity 1472 through the connecting hose 146 again, the heat dissipation fan 1476 drives the cooling liquid to perform auxiliary heat dissipation during the storage process of the cooling liquid, when dust filtering place is not used, the positioning cylinder 131, the air inlet pipe 12 and the detachable cover 133 are separated by rotating the manual plate 132, and then the support ring 134, the support rod 136, the support cover 135 and the dust screen 137 can be taken out for replacement and cleaning.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention.
Claims (8)
1. The novel air compressor for providing high-pressure and low-pressure gas is characterized by comprising a protective cabinet (1), a cabinet cavity (2), a sound insulation pad (3), a moving wheel (4), a supporting seat (5), a first handle (6), a high-pressure gas supply machine body (7), a first gas outlet pipe (8), a conveying pipe (9), a low-pressure gas supply machine body (10), a second gas outlet pipe (11), a gas inlet pipe (12), a detachable dust cover structure (13), a heat dissipation vertical box structure (14) and a second handle (15), wherein the cabinet cavity (2) is formed in the protective cabinet (1), and the sound insulation pad (3) is connected to the inner wall of the cabinet cavity (2) through bolts; the movable wheels (4) are respectively installed at the four corners of the lower end of the protection cabinet (1) through bolts; the supporting seat (5) is welded at the lower part of the left end of the protective cabinet (1), and meanwhile, the upper end of the supporting seat (5) is welded with the first handle (6); the high-pressure air feeder body (7) is arranged on the left side of the upper part of the inner wall of the cabinet cavity (2) through bolts; the first air outlet pipe (8) penetrates through the protection cabinet (1) and is embedded in the upper part of the left side of the high-pressure air feeder body (7); one end of the conveying pipe (9) is embedded at the bottom of the high-pressure air feeder body (7), and the other end of the conveying pipe is embedded at the lower part of the left side of the low-pressure air feeder body (10); the second air outlet pipe (11) penetrates through the protection cabinet (1) and is embedded in the lower part of the right side of the low-pressure air feeder body (10); the air inlet pipe (12) penetrates through the protection cabinet (1) and is embedded in the upper part of the left side of the low-pressure air feeder body (10); the dust cover dismounting and mounting structure (13) is arranged on the outer wall of the air inlet pipe (12); the heat dissipation vertical box structures (14) are respectively arranged at the left side and the right side above the inside of the protection cabinet (1); the second handle (15) is welded at the front side of the left end of the protection cabinet (1); the detachable dust cover structure (13) comprises a positioning cylinder (131), a manual plate (132), a detachable cover (133), a support ring (134), a support cover (135), a support rod (136) and a dust screen (137), wherein the positioning cylinder (131) is in threaded connection with the upper part of the outer wall of the air inlet pipe (12); the manual plates (132) are respectively welded on the left side and the right side of the outer walls of the positioning cylinder (131) and the dismounting cover (133); the support ring (134) is arranged at the lower side in the dismounting cover (133); supporting rods (136) are welded on the front side and the rear side of the inner wall of the supporting cover (135); the supporting rods (136) are respectively welded at the front side and the rear side of the upper end of the supporting ring (134); the dust screen (137) is placed on the outer surface of the support cover (135).
2. The novel air compressor for providing high-pressure and low-pressure gas as claimed in claim 1, wherein a through hole is formed in the upper portion of the interior of the detachable cover (133), a dust screen (137) is closely attached to the inner side of the through hole, the dust screen (137) is made of an activated carbon net, and the dust screen (137) is supported by the support cover (135).
3. The novel air compressor for providing high-pressure and low-pressure gas as claimed in claim 1, wherein the manual plate (132) is a square steel plate, four manual plates (132) are provided, and the outer wall of the manual plate (132) is provided with linear anti-skid lines.
4. The novel air compressor for providing high-pressure and low-pressure gas as claimed in claim 1, wherein the heat-dissipating vertical box structure (14) comprises a vertical box (141), a first baffle (142), a second baffle (143), a detachable cover (144), a manual rod (145), a connecting hose (146) and a heat-dissipating box structure (147), and the first baffle (142) is welded to the right side of the inner wall of the vertical box (141); the second baffle (143) is respectively welded on the left side of the inner wall of the upright box (141) and the left surface of the first baffle (142); the dismounting cover (144) is respectively inserted into the left side and the right side of the upper rear part in the protection cabinet (1), and the lower end of the dismounting cover (144) is connected with the vertical box (141) through a bolt; the manual levers (145) are respectively welded at the left side and the right side of the upper end of the dismounting cover (144); the connecting hoses (146) penetrate through the protective cabinet (1) and are respectively embedded at the left side and the right side above the rear part of the vertical box (141); the heat dissipation box structure (147) is arranged on the right side of the connecting hose (146).
5. The novel air compressor for supplying high and low pressure gas as set forth in claim 4, wherein the space inside the upright case (141) is partitioned by a first barrier (142) and a second barrier (143).
6. The novel air compressor for providing high-pressure and low-pressure gas as claimed in claim 4, wherein the detachable cover (144) is T-shaped, and bolts are fixed on the detachable cover (144) and the protection cabinet (1).
7. The novel air compressor for providing high-pressure and low-pressure gas as claimed in claim 4, wherein the heat dissipating box structure (147) comprises a main placing box (1471), a placing cavity (1472), an intercepting net (1473), a water pump (1474), a transverse plate (1475) and a heat dissipating fan (1476), and a connecting hose (146) is embedded in the upper portion of the left side of the main placing box (1471); the placing cavity (1472) is arranged in the placing main box (1471); the intercepting net (1473) is arranged at the upper part of the inner wall of the placing cavity (1472) through bolts; the water pump (1474) is arranged at the right lower part of the front end of the main box (1471) through bolts, and a connecting hose (146) is embedded at the upper end of the water pump (1474); the transverse plate (1475) is arranged at the middle upper part of the inner wall of the placing cavity (1472) through bolts, and meanwhile, the left side and the right side inside the transverse plate (1475) are connected with a cooling fan (1476) through bolts.
8. A novel air compressor for providing high-pressure and low-pressure gas as claimed in claim 7, wherein a connection hose (146) is provided at the lower part of the heat dissipation fan (1476), the upper end of the heat dissipation fan (1476) corresponds to the intercepting net (1473), the rear end of the water pump (1474) is connected and communicated with the main placing box (1471), and the water pump (1474) is connected with the upright box (141) through the connection hose (146).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122485355.2U CN215860718U (en) | 2021-10-15 | 2021-10-15 | Novel air compressor for providing high-pressure and low-pressure gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122485355.2U CN215860718U (en) | 2021-10-15 | 2021-10-15 | Novel air compressor for providing high-pressure and low-pressure gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215860718U true CN215860718U (en) | 2022-02-18 |
Family
ID=80260643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122485355.2U Active CN215860718U (en) | 2021-10-15 | 2021-10-15 | Novel air compressor for providing high-pressure and low-pressure gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215860718U (en) |
-
2021
- 2021-10-15 CN CN202122485355.2U patent/CN215860718U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215860718U (en) | Novel air compressor for providing high-pressure and low-pressure gas | |
| CN220059956U (en) | Multistage formula inhale material high-pressure fan | |
| CN112459989A (en) | Efficient energy-saving air compressor | |
| CN202348679U (en) | Screw-type air compressor | |
| CN215058169U (en) | Permanent magnet variable frequency screw vacuum pump | |
| CN216518630U (en) | Frequency conversion two-stage screw compressor | |
| CN218780489U (en) | Permanent magnet frequency conversion two-stage compression screw air compressor | |
| CN218760334U (en) | Vertical air compressor | |
| CN110469490A (en) | A kind of double drive vacuum compression equipment and drive control method | |
| CN216617816U (en) | Novel water-cooling cylinder body air compressor machine | |
| CN217713009U (en) | Radiator fan for electronic equipment convenient to maintain | |
| CN219570297U (en) | Efficient energy-saving air compressor | |
| CN220287640U (en) | High-efficient refrigeration industry cold water machine | |
| CN219388103U (en) | Heat dissipation formula water lubrication air compressor machine | |
| CN215486539U (en) | Hydraulic pump connecting device convenient to dismouting | |
| CN210715019U (en) | Dual-drive vacuum compression equipment | |
| CN203604208U (en) | Air compressor | |
| CN215058166U (en) | Permanent magnet frequency conversion low-voltage screw machine | |
| CN213598142U (en) | Noise reduction device of air compressor for printing ink processing | |
| CN211448980U (en) | Dustproof and waterproof's air compressor structure | |
| CN210839174U (en) | Cooling air duct structure of cooling stator for centrifugal compressor | |
| CN204163993U (en) | A kind of screw air compressor | |
| CN216044600U (en) | Weight reduction impeller of centrifugal blower | |
| CN216342640U (en) | Combined air compressor | |
| CN219317188U (en) | Low-noise high-heat-dissipation double-screw vacuum pump |
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: A new type of air compressor providing high and low pressure gas Effective date of registration: 20220329 Granted publication date: 20220218 Pledgee: Shandong Wucheng Rural Commercial Bank Co.,Ltd. Pledgor: Yitong (Shandong) ventilation equipment Co.,Ltd. Registration number: Y2022980003378 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |