CN212744135U - Automobile exhaust treatment device convenient to dismantle - Google Patents
Automobile exhaust treatment device convenient to dismantle Download PDFInfo
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- CN212744135U CN212744135U CN202020901285.7U CN202020901285U CN212744135U CN 212744135 U CN212744135 U CN 212744135U CN 202020901285 U CN202020901285 U CN 202020901285U CN 212744135 U CN212744135 U CN 212744135U
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- welded
- automobile exhaust
- rectangular box
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Abstract
The utility model provides an automobile exhaust treatment device convenient to disassemble, which comprises a rectangular box, a first pipeline, a second pipeline, a heat insulation layer, a movable hose, a hoop, a lower sleeve plate, a first assembly plate, an upper sleeve plate, a second assembly plate, a detachable fixed seat structure, a detachable connecting shell structure, a filter plate and an adjustable fixed seat structure, wherein the first pipeline is welded at the left end of the rectangular box; the second pipeline is welded at the right end of the rectangular box; the heat insulation layer is embedded in the inner wall of the movable hose; the movable hose is embedded in the left end of the first pipeline; the anchor ear is sleeved on the left side of the outer wall of the movable hose. The utility model has the advantages that: through the setting of adjustable fixing base structure, when using, be convenient for install the position department of installation with bottom plate and upper fixed plate cover, also can make the second connecting plate press close to the position department bolt fastening of installation simultaneously to be convenient for the dismouting and change the maintenance.
Description
Technical Field
The utility model belongs to the technical field of automobile exhaust processing apparatus, especially, relate to an automobile exhaust processing apparatus convenient to dismantle.
Background
Along with social development, the popularization degree of automobiles is higher and higher, the environmental problems caused by automobile exhaust are more and more prominent, the automobile exhaust contains hundreds of different compounds, pollutants comprise solid suspended particles, carbon monoxide, carbon dioxide, hydrocarbons, oxynitride, lead, sulfur oxide and the like, and the pollutants are discharged into the atmosphere and can seriously affect the air quality and harm the health of human bodies, so the automobile exhaust treatment device is invented to better treat the automobile exhaust, thereby protecting the surrounding environment.
However, the conventional automobile exhaust gas treatment device has problems that it is inconvenient to assemble, disassemble and replace the device and it is inconvenient to maintain the device.
Therefore, it is necessary to provide a conveniently detachable automobile exhaust gas treatment device.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a tail gas treatment device convenient to dismantle to solve current tail gas treatment device and be not convenient for carry out the dismouting and change and be not convenient for carry out the problem of maintaining. A conveniently-detachable automobile exhaust treatment device comprises a rectangular box, a first pipeline, a second pipeline, a heat insulation layer, a movable hose, a hoop, a lower sleeve plate, a first assembly plate, an upper sleeve plate, a second assembly plate, a detachable fixed seat structure, a detachable connecting shell structure, a filter plate and an adjustable fixed seat structure, wherein the first pipeline is welded at the left end of the rectangular box; the second pipeline is welded at the right end of the rectangular box; the heat insulation layer is embedded in the inner wall of the movable hose; the movable hose is embedded in the left end of the first pipeline; the anchor ear is sleeved on the left side of the outer wall of the movable hose; the lower sleeve plate is respectively sleeved at the lower parts of the outer walls of the first pipeline and the second pipeline; the first assembling plate is respectively welded on the upper parts of the front surface and the rear surface of the lower sleeve plate; the upper sleeve plate is respectively sleeved on the upper parts of the outer walls of the first pipeline and the second pipeline; the second assembling plate is respectively welded at the lower parts of the front surface and the rear surface of the upper sleeve plate; the detachable fixed seat structure is arranged on the left side and the right side of the lower end of the rectangular box; the detachable connecting shell structure is arranged on the lower side of the inside of the rectangular box; the filter plate bolt is arranged on the inner wall of the detachable connecting shell structure; the adjustable fixed seat structure is arranged at the upper end of the upper sleeve plate; the adjustable fixing seat structure comprises a lower inclined seat, a vertical plate, an upper inclined seat, a first connecting plate, a connecting column, a fixing seat, a lower fixing plate, a second connecting plate, an upper fixing plate and a third connecting plate, wherein the lower inclined seat is welded at the upper end of an upper sleeve plate; the lower end of the vertical plate is connected with a lower inclined seat bolt nut, and the upper end of the vertical plate is connected with an upper inclined seat bolt nut; the first connecting plate is welded at the upper end of the upper inclined seat; the connecting column is welded at the lower end of the fixed seat and is arranged on the first connecting plate through a bearing; the lower fixing plate is welded at the upper end of the fixing seat; the second connecting plates are respectively welded at the left side and the right side of the upper end of the lower fixing plate; the upper fixing plate is placed on the lower fixing plate; the third connecting plates are respectively welded at the left side and the right side of the lower end of the upper fixing plate.
Preferably, the detachable connecting shell structure comprises a penetrating frame, a frame cavity, a first protection pad, a sealing plate, a second protection pad and a handle, wherein the frame cavity is formed in the penetrating frame; the first protection pad is glued on the outer wall of the inserting frame; the sealing plate bolt is arranged at the lower end of the inserting frame; the second protection pad bolt is arranged on the outer wall of the sealing plate; the handle is welded at the middle part of the lower end of the sealing plate.
Preferably, the detachable fixed seat structure comprises a rotating column, a rotating plate, a threaded rod, a manual head and a fastening block, wherein the rotating column is respectively installed on the left side and the right side below the rectangular box through bearings; the rotating plate is welded at the lower end of the rotating column; the threaded rod is in threaded connection with the right side inside the rotating plate; the manual head and the fastening block are respectively welded at the upper end and the lower end of the threaded rod.
Preferably, the lower fixing plate and the upper fixing plate are arc-shaped steel plates respectively, and the second connecting plate and the third connecting plate on the outer side are provided with two connecting plates respectively.
Preferably, the lower inclined seat and the upper inclined seat at the upper end and the lower end of the vertical plate are respectively set to be U-shaped.
Preferably, a bearing is arranged at the joint of the connecting column on the fixed seat and the first connecting plate.
Preferably, the inserting frame is inserted into the inner wall of the rectangular box, and the first protection pad on the outer wall of the inserting frame is a rubber pad.
Preferably, the sealing plate is T-shaped, and the second protection pad on the outer wall of the sealing plate is a rubber pad.
Preferably, the outer wall of the handle is provided with a straight anti-slip line, and the handle is arranged at the lower part of the sealing plate.
Preferably, the upper end and the lower end of the threaded rod are provided with a manual head and a fastening block, the manual head and the fastening block correspond to the sealing plate respectively, the manual head is a cylindrical steel head, and the fastening block is a rectangular plate.
Preferably, the rotating column on the left side of the upper part of the rotating plate is connected with the rectangular box through a bearing.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, bottom plate and upper fixed plate adopt the arc steel sheet respectively, and the second connecting plate and the third connecting plate in the outside are provided with two respectively, when using, be convenient for install bottom plate and upper fixed plate cover in the position department of installation, also can make the second connecting plate press close to the position department bolt fastening of installation simultaneously to be convenient for the dismouting and change the maintenance.
2. The utility model discloses in, the riser about the down dip seat at both ends set up to the U type respectively with last slope seat, the angle of being convenient for adjust its slope is installed and is used.
3. The utility model discloses in, the fixing base on spliced pole be provided with the bearing with first connecting plate junction, be convenient for turn to and reach different directions and use.
4. The utility model discloses in, the frame that alternates insert on the inner wall of rectangle box, and alternate first protection pad on the frame outer wall and adopt the rubber pad, be convenient for alternate and install or dismantle, also be convenient for simultaneously cooperate inboard filter installation and use.
5. The utility model discloses in, the closing plate set up to the T type, the closing plate outer wall on the second protection pad adopt the rubber pad, be convenient for make the closing plate insert the inside downside of rectangle box and install, increased sealed effect through the second protection pad simultaneously.
6. The utility model discloses in, the handle outer wall on be provided with a word antiskid line, the handle setting in the lower part of closing plate, be convenient for carry on the gripping and drive closing plate activity and dismouting.
7. The utility model discloses in, the threaded rod about both ends be provided with manual head and holding block, and manual head and holding block correspond with the closing plate respectively, manual head adopt cylindrical steel head, the holding block adopt the rectangle plate, after rotatory manual head, can drive holding block and threaded rod activity and fix the closing plate, be convenient for cooperate this removable connecting shell structure installation and fixed.
8. The utility model discloses in, the left rotation post in rotor plate upper portion pass through the bearing and be connected with the rectangle box, be convenient for drive the rotor plate rotation and turn to be convenient for cooperate the closing plate dismouting.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the adjustable fixing seat structure of the present invention.
Fig. 3 is a schematic structural diagram of the detachable connecting shell structure of the present invention.
Fig. 4 is a schematic structural view of the detachable fixing base structure of the present invention.
In the figure:
1. a rectangular box; 2. a first conduit; 3. a second conduit; 4. a thermal insulation layer; 5. a flexible hose; 6. hooping; 7. a lower sheathing plate; 8. a first assembly plate; 9. an upper sheathing plate; 10. a second assembly plate; 11. a detachable fixed seat structure; 111. rotating the column; 112. a rotating plate; 113. a threaded rod; 114. a manual head; 115. a fastening block; 12. the connecting shell structure can be disassembled; 121. inserting the frame; 122. a frame cavity; 123. a first protection pad; 124. a sealing plate; 125. a second protection pad; 126. a handle; 13. a filter plate; 14. the structure of the adjustable fixed seat; 141. a lower tilting mount; 142. a vertical plate; 143. an upper tilting mount; 144. a first connecting plate; 145. connecting columns; 146. a fixed seat; 147. a lower fixing plate; 148. a second connecting plate; 149. an upper fixing plate; 1410. and a third connecting plate.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in fig. 1 and fig. 2, a conveniently detachable automobile exhaust treatment device comprises a rectangular box 1, a first pipeline 2, a second pipeline 3, a heat insulation layer 4, a movable hose 5, a hoop 6, a lower sleeve plate 7, a first assembly plate 8, an upper sleeve plate 9, a second assembly plate 10, a detachable fixed seat structure 11, a detachable connecting shell structure 12, a filter plate 13 and an adjustable fixed seat structure 14, wherein the first pipeline 2 is welded at the left end of the rectangular box 1; the second pipeline 3 is welded at the right end of the rectangular box 1; the heat insulation layer 4 is embedded in the inner wall of the movable hose 5; the movable hose 5 is embedded at the left end of the first pipeline 2; the anchor ear 6 is sleeved on the left side of the outer wall of the movable hose 5; the lower sleeve plate 7 is respectively sleeved at the lower parts of the outer walls of the first pipeline 2 and the second pipeline 3; the first assembling plate 8 is respectively welded on the upper parts of the front and rear surfaces of the lower sleeve plate 7; the upper sleeve plate 9 is respectively sleeved on the upper parts of the outer walls of the first pipeline 2 and the second pipeline 3; the second assembling plate 10 is respectively welded at the lower parts of the front and rear surfaces of the upper sleeve plate 9; the detachable fixed seat structures 11 are arranged on the left side and the right side of the lower end of the rectangular box 1; the detachable connecting shell structure 12 is arranged at the lower side inside the rectangular box 1; the filter plate 13 is mounted on the inner wall of the detachable connecting shell structure 12 through bolts; the adjustable fixed seat structure 14 is arranged at the upper end of the upper sleeve plate 9; the adjustable fixing seat structure 14 comprises a lower inclined seat 141, a vertical plate 142, an upper inclined seat 143, a first connecting plate 144, a connecting column 145, a fixing seat 146, a lower fixing plate 147, a second connecting plate 148, an upper fixing plate 149 and a third connecting plate 1410, wherein the lower inclined seat 141 is welded at the upper end of the upper sleeve plate 9; the lower end of the vertical plate 142 is connected with the lower inclined seat 141 through bolts and nuts, and the upper end of the vertical plate is connected with the upper inclined seat 143 through bolts and nuts; the first connecting plate 144 is welded on the upper end of the upper inclined seat 143; the connecting column 145 is welded at the lower end of the fixed seat 146, and the connecting column 145 is installed on the first connecting plate 144 through a bearing; the lower fixing plate 147 is welded at the upper end of the fixing seat 146; the second connecting plates 148 are welded to the left and right sides of the upper end of the lower fixing plate 147; the upper fixing plate 149 is placed on the lower fixing plate 147; the third connecting plates 1410 are respectively welded to the left and right sides of the lower end of the upper fixing plate 149.
In the above embodiment, as shown in fig. 3, in particular, the detachable connecting shell structure 12 includes a penetrating frame 121, a frame cavity 122, a first protection pad 123, a sealing plate 124, a second protection pad 125 and a handle 126, wherein the frame cavity 122 is opened inside the penetrating frame 121; the first protection pad 123 is glued on the outer wall of the inserting frame 121; the sealing plate 124 is mounted at the lower end of the insertion frame 121 through bolts; the second protection pad 125 is bolted to the outer wall of the sealing plate 124; the handle 126 is welded to the middle of the lower end of the sealing plate 124.
As shown in fig. 4, in the above embodiment, specifically, the detachable fixing base structure 11 includes a rotating column 111, a rotating plate 112, a threaded rod 113, a manual head 114 and a fastening block 115, and the rotating column 111 is respectively installed at the left and right sides below the rectangular box 1 through a bearing; the rotating plate 112 is welded at the lower end of the rotating column 111; the threaded rod 113 is in threaded connection with the right side inside the rotating plate 112; the manual head 114 and the fastening block 115 are respectively welded to the upper and lower ends of the threaded rod 113.
In the above embodiment, specifically, the lower fixing plate 147 and the upper fixing plate 149 are made of arc-shaped steel plates, and two second connecting plates 148 and two third connecting plates 1410 are arranged on the outer sides of the lower fixing plate 147 and the upper fixing plate 149, so that the lower fixing plate 147 and the upper fixing plate 149 can be conveniently sleeved at an installation position to be installed when the fixing device is used, and meanwhile, the second connecting plates 148 can be fixed by bolts close to the installation position, so that the fixing device is convenient to disassemble, assemble, replace and maintain.
In the above embodiment, specifically, the lower inclined seats 141 and the upper inclined seats 143 at the upper and lower ends of the vertical plate 142 are respectively provided with a U shape, so that the installation and use can be conveniently performed by adjusting the inclined angle.
In the above embodiment, in particular, the connection point of the connection pole 145 on the fixed seat 146 and the first connection plate 144 is provided with a bearing, so that the steering is facilitated, and the direction can be changed and the use is facilitated.
In the above embodiment, specifically, the insertion frame 121 is inserted into the inner wall of the rectangular box 1, and the first protection pad 123 on the outer wall of the insertion frame 121 is made of a rubber pad, so that the insertion frame is convenient to insert, mount or dismount, and is also convenient to mount and use with the inner filter plate 13.
In the above embodiment, specifically, the sealing plate 124 is provided with a T shape, and the second protection pad 125 on the outer wall of the sealing plate 124 is a rubber pad, so that the sealing plate 124 is inserted into the lower side of the rectangular box 1 for installation, and the sealing effect is increased by the second protection pad 125.
In the above embodiment, specifically, the outer wall of the handle 126 is provided with a straight anti-slip thread, and the handle 126 is disposed at the lower portion of the sealing plate 124, so as to facilitate grasping and driving the sealing plate 124 to move and be disassembled and assembled.
In the above embodiment, specifically, the upper end and the lower end of the threaded rod 113 are provided with the manual head 114 and the fastening block 115, the manual head 114 and the fastening block 115 respectively correspond to the sealing plate 124, the manual head 114 is a cylindrical steel head, the fastening block 115 is a rectangular plate, and after the manual head 114 is rotated, the fastening block 115 and the threaded rod 113 can be driven to move and fix the sealing plate 124, so that the detachable connecting shell structure 12 can be conveniently assembled and fixed.
In the above embodiment, specifically, the rotating column 111 on the left side of the upper portion of the rotating plate 112 is connected to the rectangular box 1 through a bearing, so as to drive the rotating plate 112 to rotate and turn, and thus to be convenient for assembling and disassembling the sealing plate 124.
Principle of operation
The utility model discloses a theory of operation: when the fixing device is installed, the upper fixing plate 149 and the lower fixing plate 147 are fitted at the installation position or the lower fixing plate 147 and the second connecting plate 148 are closely installed according to the installation position, and then bolts and nuts are fixed at the positions where the second connecting plate 148 and the third connecting plate 1410 or the second connecting plate 148 and the installation position, thus, the installation can be completed, then the heat insulation layer 4 and the movable hose 5 are sleeved on the exhaust pipeline of the automobile, and then the air is held tightly by the hoop 6, when in use, the air enters the rectangular box 1 through the heat insulation layer 4 and the first pipeline 2, is purified by the filter plate 13 and then is discharged from the second pipeline 3, when the filter plate 13 needs to be replaced, the manual head 114 is rotated to drive the threaded rod 113 and the fastening block 115 to move, then the rotating plate 112 is rotated, and finally the handle 126 is grasped to pull down the sealing plate 124 and the penetrating frame 121, disassemble and assemble the filter plate 13 and replace and maintain the filter plate.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (10)
1. The automobile exhaust treatment device convenient to disassemble is characterized by comprising a rectangular box (1), a first pipeline (2), a second pipeline (3), a heat insulation layer (4), a movable hose (5), a hoop (6), a lower sleeve plate (7), a first assembly plate (8), an upper sleeve plate (9), a second assembly plate (10), a detachable fixed seat structure (11), a detachable connecting shell structure (12), a filter plate (13) and an adjustable fixed seat structure (14), wherein the first pipeline (2) is welded at the left end of the rectangular box (1); the second pipeline (3) is welded at the right end of the rectangular box (1); the heat insulation layer (4) is embedded in the inner wall of the movable hose (5); the movable hose (5) is embedded at the left end of the first pipeline (2); the hoop (6) is sleeved on the left side of the outer wall of the movable hose (5); the lower sleeve plate (7) is respectively sleeved at the lower parts of the outer walls of the first pipeline (2) and the second pipeline (3); the first assembling plate (8) is respectively welded on the upper parts of the front and rear surfaces of the lower sleeve plate (7); the upper sleeve plate (9) is respectively sleeved on the upper parts of the outer walls of the first pipeline (2) and the second pipeline (3); the second assembling plate (10) is respectively welded at the lower parts of the front surface and the rear surface of the upper sleeve plate (9); the detachable fixed seat structures (11) are arranged on the left side and the right side of the lower end of the rectangular box (1); the detachable connecting shell structure (12) is arranged on the lower side inside the rectangular box (1); the filter plate (13) is arranged on the inner wall of the detachable connecting shell structure (12) through bolts; the adjustable fixed seat structure (14) is arranged at the upper end of the upper sleeve plate (9); the adjustable fixing seat structure (14) comprises a lower inclined seat (141), a vertical plate (142), an upper inclined seat (143), a first connecting plate (144), a connecting column (145), a fixing seat (146), a lower fixing plate (147), a second connecting plate (148), an upper fixing plate (149) and a third connecting plate (1410), wherein the lower inclined seat (141) is welded at the upper end of the upper sleeve plate (9); the lower end of the vertical plate (142) is connected with the lower inclined seat (141) through bolts and nuts, and the upper end of the vertical plate is connected with the upper inclined seat (143) through bolts and nuts; the first connecting plate (144) is welded at the upper end of the upper inclined seat (143); the connecting column (145) is welded at the lower end of the fixed seat (146), and the connecting column (145) is installed on the first connecting plate (144) through a bearing; the lower fixing plate (147) is welded at the upper end of the fixing seat (146); the second connecting plates (148) are respectively welded at the left side and the right side of the upper end of the lower fixing plate (147); the upper fixing plate (149) is placed on the lower fixing plate (147); the third connecting plates (1410) are respectively welded at the left side and the right side of the lower end of the upper fixing plate (149).
2. The automobile exhaust gas treatment device convenient to disassemble as claimed in claim 1, wherein the detachable connecting shell structure (12) comprises a penetrating frame (121), a frame cavity (122), a first protection pad (123), a sealing plate (124), a second protection pad (125) and a handle (126), wherein the frame cavity (122) is arranged inside the penetrating frame (121); the first protection pad (123) is glued on the outer wall of the inserting frame (121); the sealing plate (124) is mounted at the lower end of the insertion frame (121) through bolts; the second protective pad (125) is mounted on the outer wall of the sealing plate (124) through bolts; the handle (126) is welded at the middle part of the lower end of the sealing plate (124).
3. The automobile exhaust treatment device convenient to disassemble as claimed in claim 1, wherein the detachable fixed seat structure (11) comprises a rotating column (111), a rotating plate (112), a threaded rod (113), a manual head (114) and a fastening block (115), wherein the rotating column (111) is respectively installed at the left side and the right side below the rectangular box (1) through a bearing; the rotating plate (112) is welded at the lower end of the rotating column (111); the threaded rod (113) is in threaded connection with the right side inside the rotating plate (112); the manual head (114) and the fastening block (115) are respectively welded at the upper end and the lower end of the threaded rod (113).
4. The automobile exhaust gas treatment device convenient to disassemble as claimed in claim 1, wherein the lower fixing plate (147) and the upper fixing plate (149) are respectively made of arc-shaped steel plates, and the outer second connecting plate (148) and the outer third connecting plate (1410) are respectively provided with two.
5. The automobile exhaust gas treatment device convenient to disassemble as claimed in claim 1, wherein the lower inclined seats (141) and the upper inclined seats (143) at the upper and lower ends of the vertical plate (142) are respectively provided in a U shape.
6. The automobile exhaust gas treatment device convenient to disassemble as claimed in claim 1, wherein a bearing is arranged at the joint of the connecting column (145) on the fixed seat (146) and the first connecting plate (144).
7. The automobile exhaust gas treatment device convenient to detach as set forth in claim 2, wherein the insertion frame (121) is inserted into the inner wall of the rectangular box (1), and the first protection pad (123) on the outer wall of the insertion frame (121) is made of rubber pad.
8. The automobile exhaust gas treatment device convenient to detach as set forth in claim 2, wherein the sealing plate (124) is provided in a T shape, and the second protective pad (125) on the outer wall of the sealing plate (124) is a rubber pad.
9. The automobile exhaust gas treatment device convenient to disassemble as claimed in claim 3, wherein the upper end and the lower end of the threaded rod (113) are provided with a manual head (114) and a fastening block (115), the manual head (114) and the fastening block (115) respectively correspond to the sealing plate (124), the manual head (114) adopts a cylindrical steel head, and the fastening block (115) adopts a rectangular plate.
10. A detachable automobile exhaust gas treating device according to claim 3, wherein the rotating column (111) on the left side of the upper portion of the rotating plate (112) is connected to the rectangular box (1) through a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020901285.7U CN212744135U (en) | 2020-05-26 | 2020-05-26 | Automobile exhaust treatment device convenient to dismantle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020901285.7U CN212744135U (en) | 2020-05-26 | 2020-05-26 | Automobile exhaust treatment device convenient to dismantle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212744135U true CN212744135U (en) | 2021-03-19 |
Family
ID=75006659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020901285.7U Expired - Fee Related CN212744135U (en) | 2020-05-26 | 2020-05-26 | Automobile exhaust treatment device convenient to dismantle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212744135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431663A (en) * | 2021-08-25 | 2021-09-24 | 宁波开特环保科技有限公司 | Environment protection type gasoline engine particle catcher |
-
2020
- 2020-05-26 CN CN202020901285.7U patent/CN212744135U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431663A (en) * | 2021-08-25 | 2021-09-24 | 宁波开特环保科技有限公司 | Environment protection type gasoline engine particle catcher |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210319 |
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| CF01 | Termination of patent right due to non-payment of annual fee |