CN216701909U - Transmission line fortune is examined and is used knapsack - Google Patents
Transmission line fortune is examined and is used knapsack Download PDFInfo
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- CN216701909U CN216701909U CN202123337578.0U CN202123337578U CN216701909U CN 216701909 U CN216701909 U CN 216701909U CN 202123337578 U CN202123337578 U CN 202123337578U CN 216701909 U CN216701909 U CN 216701909U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 27
- 238000007689 inspection Methods 0.000 claims abstract description 11
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a backpack for operation and inspection of a power transmission line, which comprises a body and a pull box, wherein the pull box is provided with a pull hole; the pull box is positioned in the body and is connected with the body in a sliding way through a sliding mechanism; a supporting mechanism is also arranged in the body, and the bottom end of the pull box is connected with the supporting mechanism; a fixing mechanism is arranged between the upper end of the body and the upper end of the pull box. According to the utility model, the pull box can be pulled up and down through the sliding mechanism, and the support mechanism plays a role in supporting when the pull box is lifted up, so that the problem that goods in the pull box are convenient to take out is solved; the fixing of the pull box and the body is realized through the fixing mechanism, and the problem of quickly locking the pull box is solved.
Description
Technical Field
The utility model relates to the technical field of backpacks, in particular to a backpack for operation and inspection of a power transmission line.
Background
The power transmission line is realized by boosting the electric energy generated by the generator by using a transformer and then connecting the electric energy to the power transmission line through control equipment such as a circuit breaker and the like, and the power transmission line is divided into an overhead power transmission line and a cable line in a structural form.
At present, when goods for a power transmission line need to be taken out, the backpack needs to be carefully found, the position of the goods for the power transmission line which needs to be taken out is inconvenient to observe from various goods due to light shielding and limited influence of the aperture of the backpack in the finding process, and the backpack cannot be quickly locked.
Disclosure of Invention
The utility model aims to: in order to solve the problem that goods for a power transmission line in a backpack are inconvenient to take out and the backpack cannot be locked, the backpack for transporting and detecting the power transmission line is provided.
The technical scheme of the utility model is as follows: a backpack for transmission line operation and inspection comprises a body and a pull box; the pull box is positioned in the body and is connected with the body in a sliding way through a sliding mechanism; a supporting mechanism is also arranged in the body, and the bottom end of the pull box is connected with the supporting mechanism; a fixing mechanism is arranged between the upper end of the body and the upper end of the pull box.
Furthermore, the sliding mechanism comprises a moving seat arranged on the left inner wall and the right inner wall of the body and moving arms arranged on the left outer wall and the right outer wall of the pull box;
the movable seat is of a hollow structure, the hollow structure forms a movable groove, and the front inner wall and the rear inner wall of the movable groove are provided with sliding arms;
sliding grooves are formed in the front outer wall and the rear outer wall of the moving arm; the movable arm is inserted into the movable groove, so that the sliding arm is in sliding connection with the corresponding sliding groove.
Furthermore, a fixed groove is formed in the middle of the movable seat, and the movable seat is divided into an upper part and a lower part; a second spring block groove is formed in the outer wall of the lower moving seat; the bottom end of the moving arm is connected with a pushing block;
the supporting mechanism comprises a supporting seat, a telescopic seat, a first spring, a connecting column, a spring block groove, a first spring block, a second spring block, a third spring and a spring groove;
the telescopic seat is arranged on the supporting seat; the telescopic seat is of a hollow structure, the first spring is arranged in the telescopic seat, and the bottom end of the first spring is fixedly connected with the telescopic seat;
the top end of the connecting column is connected with the bottom end of the pull box, and the bottom end of the connecting column extends into the telescopic seat and is connected with the top end of the first spring;
the bottom of the connecting column is provided with a convex part, and a spring block groove is arranged on the convex part; one end of the second spring is connected with the inner side wall of the spring block groove, and the other end of the second spring is connected with the first spring block;
two spring grooves are arranged on the inner wall of the supporting seat and are distributed up and down on the inner wall of the supporting seat; the first spring block is matched with the spring groove;
two sides of the supporting seat are respectively connected with a second spring block through a third spring; the second spring block is in sliding connection with the corresponding second spring block groove and is clamped into the corresponding fixing groove when the pull box is lifted.
Furthermore, the connecting column is fixedly connected with the pull box through a screw.
Furthermore, the fixing mechanism comprises a fixed seat, a clamping block, a fourth spring, a pull rod, an inserting block, a clamping groove, a socket and a protruding block;
the top end of the socket is connected with the top end of the pull box, the bottom end of the socket is connected with the insert block, and the left side wall and the right side wall of the insert block are respectively provided with a clamping groove;
the fixing seat is arranged at the upper end of the front side surface of the body, is of a hollow structure and is used for inserting the insertion block;
the clamping seat, the clamping block and the fourth spring are respectively provided with two; one end of one clamping seat is connected with the right side wall of the fixed seat, and the other end of the clamping seat is connected with one clamping block through a fourth spring; the pull rod penetrates through the left side wall of the fixed seat and is connected with one end of the other clamping seat, and the other end of the clamping seat is connected with the other clamping block through the other four-spring;
the side wall of the clamping block, which is far away from the fourth spring, is provided with a convex block, and the convex block is matched with the clamping groove.
Further, the fixed seat is fixedly connected with the body through screws.
Furthermore, the body is provided with a strap.
Compared with the prior art, the utility model has the beneficial effects that:
1. the function of fixing the pull box and the body is realized by arranging a fixing mechanism, the pull rod is pulled, the pull rod drives the clamping blocks to move, the fourth spring retracts, the pull box is pulled upwards, the insert block is moved out from the positions of the two clamping blocks, the moving arm moves through the moving groove, the sliding groove moves through the sliding arm, so that the pull box is moved out from the inner wall of the body, the pull box moves upwards to pull the connecting column, the first spring block is extruded and influenced by the inner wall of the telescopic seat to enter the inner wall of the spring block groove, the second spring retracts, the first spring is extruded and influenced by the upward movement of the connecting column, the first spring is changed into a normal state from the retraction state, the pull box continues to move upwards to enable the supporting seat to move upwards along with the pull box, and the second spring block and the third spring are extruded and retracted by the inner wall of the second spring block groove, when the second spring block moves to the position of the fixed groove, the second spring block enters the inner wall of the fixed groove, so that the supporting seat and the two second spring blocks are kept in a state of abutting against the moving seat, the moving of the pulling box is stopped at the moment, and the supporting seat supports the pulling box, so that the function of facilitating a worker to find goods for the power transmission line is realized;
2. the support mechanism is arranged to realize the function of facilitating workers to find goods for the transmission line, when the goods for the transmission line are taken out, the pull box is pushed towards the inner wall of the body, the connecting column is pushed to move downwards by the bottom end of the pull box, the first spring block is moved out of the inner wall of the spring groove at the upper end of the inner wall of the telescopic seat, when the first spring block is moved to the position of the spring groove at the bottom end of the inner wall of the telescopic seat, the first spring block enters the inner wall of the spring groove at the bottom end of the inner wall of the telescopic seat and is influenced by the downward movement of the connecting column, the first spring retracts and continues to push the pull box, when the push block is moved to the position of the fixed groove, the push block extrudes the second spring block, the second spring block and the third spring both retract, the second spring block moves through the groove of the second spring block, so that the supporting seat moves downwards, the supporting seat loses the supporting state for the pull box, when the supporting seat is contacted with the bottom end of the body, the insert block enters the positions of the two clamping blocks, the clamping blocks and the fourth spring retract, when the clamping groove moves to the protruding part of the outer wall of the clamping block, the two clamping blocks keep a butting state against the insertion block, and therefore the function of fixing the pull box and the body is achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the movable base and the sliding arm of the present invention;
FIG. 3 is a schematic view of the structure of the drawer of the present invention;
FIG. 4 is an enlarged view of a portion of the present invention at A;
FIG. 5 is a schematic structural view of the support mechanism of the present invention;
FIG. 6 is a schematic structural view of a retractable seat and a first spring according to the present invention;
FIG. 7 is an enlarged view of a portion of the present invention at B;
FIG. 8 is a schematic view of the spring pocket configuration of the present invention;
fig. 9 is a schematic structural diagram of the fixing mechanism of the present invention.
In the figure: 1. a body; 2. pulling the box; 3. a fixing mechanism; 301. a fixed seat; 302. a holder; 303. a clamping block; 304. a fourth spring; 305. a pull rod; 306. inserting a block; 307. a clamping groove; 308. a socket; 309. a raised block; 4. a movable seat; 5. a moving groove; 6. a slide arm; 7. fixing grooves; 8. a second spring block groove; 9. a moving arm; 10. a sliding groove; 11. a pushing block; 12. a support mechanism; 1201. a supporting seat; 1202. a telescopic base; 1203. a first spring; 1204. connecting columns; 1205. a spring block groove; 1206. a first spring block; 1207. a second spring; 1208. a second spring block; 1209. a third spring; 1210. a spring slot; 13-carrying strap.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of specific examples, which are illustrative of the present invention and are not limited to the following embodiments.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.
As shown in fig. 1 to 9, the present embodiment provides a backpack for power transmission line transportation and inspection, which includes a body (1) and a pull box (2).
The pull box (2) is positioned in the body (1) and is connected with the body (1) in a sliding way through a sliding mechanism, so that the pull box (2) can be pulled up and down. Still set up supporting mechanism (12) in body (1), draw box (2) bottom and be connected with supporting mechanism (12) for draw box 2 to support when drawing box 2 and pull up. A fixing mechanism (3) is arranged between the upper end of the body (1) and the upper end of the pull box (2) and is used for buckling the pull box (2) when the pull box (2) is in a reset state. Wherein, the body (1) is provided with a strap (13), which is particularly arranged on the back side surface of the body (1) and is convenient to carry.
The slide mechanism of this embodiment includes moving seat (4) and removal arm (9), and wherein moving seat 4 has two, sets up inner wall about body 1 respectively, and removal arm 9 has two, sets up outer wall about drawing the box respectively.
The movable seat (4) is of a hollow structure, a movable groove (5) is formed in the hollow structure, and sliding arms (6) are arranged on the front inner wall and the rear inner wall of the movable groove (5); sliding grooves (10) are formed in the front outer wall and the rear outer wall of the moving arm (9); the moving arm (9) is inserted into the moving groove (5) to enable the sliding arm (6) to be in sliding connection with the corresponding sliding groove (10). The moving arm 9 can be pulled up and down in the moving groove 5 to slide, and meanwhile, the sliding arm 6 is clamped in the sliding groove 10 to play a limiting role.
In addition, this embodiment sets up fixed slot (7) at the middle part that removes seat (4), and fixed slot (7) will remove seat (4) and divide into upper and lower two parts, and fixed slot 7's effect is when drawing box 2 to pull up to the position supports No. two spring blocks 1208. Set up No. two spring block grooves (8) on the outer wall of lower part (indicating fixed slot 7 below) removal seat (4), No. two spring block grooves (8) and No. two spring block 1208 adaptations for draw box 2 pull in-process and support spacing No. two spring block 1208. The bottom end of the moving arm (9) is connected with a pushing block (11) and used for pressing the pull box 2 back, the pushing block 11 extrudes a second spring block 1208, and the second spring block 1208 is pressed out of the fixing groove 7, so that the pull box 2 descends and is pressed back.
The supporting mechanism (12) of this embodiment includes a supporting seat (1201), a telescopic seat (1202), a first spring (1203), a connecting column (1204), a spring block slot (1205), a first spring block (1206), a second spring (1207), a second spring block (1208), a third spring (1209) and a spring slot (1210).
The telescopic seat (1202) is arranged on the supporting seat (1201); the telescopic seat (1202) is of a hollow structure, the first spring (1203) is arranged in the telescopic seat (1202), and the bottom end of the first spring is fixedly connected with the telescopic seat (1202). The top end of the connecting column (1204) is connected with the bottom end of the pull box (2), and the bottom end of the connecting column (1204) extends into the telescopic seat (1202) to be connected with the top end of the first spring (1203). Wherein, the connecting column (1204) is fixedly connected with the pull box (2) through a screw.
The bottom of the connecting column (1204) is provided with a convex part, and a spring block groove (1205) is arranged on the convex part; one end of a second spring (1207) is connected with the inner side wall of the spring block groove (1205), and the other end of the second spring is connected with the first spring block (1206). Two spring grooves (1210) are formed in the inner wall of the supporting seat (1201), and the two spring grooves (1210) are distributed up and down on the inner wall of the supporting seat (1201); the first spring block (1206) is matched with the spring groove (1210). When the pull box 2 is reset, the first spring block 1206 is clamped in the spring groove 1210 on the lower side, and after the pull box 2 is lifted to a certain height, the first spring block 1206 is clamped in the spring groove 1210 on the upper side, so that the support base 1201 is pulled, and the pull box 2 is continuously lifted.
Two sides of the supporting seat (1201) are respectively connected with a second spring block (1208) through a third spring (1209); the second spring block (1208) is in sliding connection with the corresponding second spring block groove (8) and is clamped into the corresponding fixing groove (7) when the pull box (2) is lifted.
The fixing mechanism (3) of the embodiment comprises a fixed seat (301), a clamping seat (302), a clamping block (303), a four-number spring (304), a pull rod (305), an inserting block (306), a clamping groove (307), a socket (308) and a protruding block (309).
The top end of the socket (308) is connected with the top end of the pull box (2), the bottom end of the socket (308) is connected with the insertion block (306), and the left side wall and the right side wall of the insertion block (306) are respectively provided with a clamping groove (307).
The fixing seat (301) is installed at the upper end of the front side face of the body (1), and the fixing seat (301) is of a hollow structure and is used for the insertion of the insertion block (306). After the insert block 306 is inserted into the fixed seat 301, the two opposite protruding blocks 309 are clamped into the clamping groove 307, and the insert block 306 is clamped under the pressure of the two four-number springs 304, so that the lock is locked. In addition, the fixing seat (301) is fixedly connected with the body (1) through screws.
The clamping seat (302), the clamping block (303) and the four-number spring (304) are respectively provided with two; one end of one clamping seat (302) is connected with the right side wall of the fixed seat (301), and the other end of the clamping seat is connected with one clamping block (303) through a four-number spring (304); the pull rod (305) penetrates through the left side wall of the fixed seat (301) and then is connected with one end of another clamping seat (302), and the other end of the clamping seat (302) is connected with another clamping block (303) through another four-number spring (304); a protruding block (309) is arranged on the side wall, away from the four-spring (304), of the clamping block (303), and the protruding block (309) is matched with the clamping groove (307). One end of the pull rod 305 extends out of the fixing base 301, and the pull rod 305 is pulled out when the fixing base is required to be opened, so that the two clamping blocks 303 are separated, and the inserting block 306 is pulled out.
The working principle of the utility model is as follows: when the backpack for transmission line operation and inspection is used, the pull rod 305 is pulled, the pull rod 305 drives the clamping blocks 303 to move, the fourth spring 304 retracts, the box 2 is pulled upwards, the insertion block 306 moves out of the positions of the two clamping blocks 303, the moving arm 9 moves through the moving groove 5, the sliding groove 10 moves through the sliding arm 6, so that the box 2 is moved out of the inner wall of the body 1, the box 2 moves upwards to pull the connecting column 1204 to move upwards, the first spring block 1206 enters the inner wall of the spring block groove 1205 under the extrusion influence of the inner wall of the telescopic base 1202, the second spring 1207 retracts, when the first spring block 1206 moves to the position of the spring groove 1210 at the upper end of the inner wall of the telescopic base 1202, the first spring block 1206 enters the inner wall of the spring groove 1210, the second spring 1207 retracts, the connecting column 1204 moves upwards to change from the retracting state to the normal state, the first spring 1203 continues to move upwards to pull the box 2, the box 2 continues to move upwards to make the supporting seat 1201 move along with the box 2, the second spring block 1208 and the third spring 1209 are extruded and retracted by the inner wall of the second spring block groove 8, when the second spring block 1208 moves to the position of the fixed groove 7, the second spring block 1208 enters the inner wall of the fixed groove 7, so that the supporting seat 1201 and the two second spring blocks 1208 are kept in a state of abutting against the movable seat 4, at the moment, the upward movement of the box 2 is stopped, the supporting seat 1201 supports the box 2, so that the function of facilitating a worker to find goods for a power transmission line is realized, after the goods for the power transmission line are taken out, the box 2 is pushed towards the inner wall of the body 1, the connecting column 1204 is extruded and moved downwards by the bottom end of the box 2, the first spring block 1206 is moved out of the inner wall of the spring groove 1210 at the upper end of the inner wall of the telescopic seat 1202, when the first spring block 1206 moves to the position of the spring groove 1210 at the bottom end of the inner wall of the telescopic seat 1202, the first spring block 1206 enters the inner wall 1210 at the bottom end of the inner wall of the telescopic seat 1202, influenced by the downward movement of the connecting column 1204, the first spring 1203 retracts, the pull box 2 is continuously pushed, when the pushing block 11 moves to the position of the fixing groove 7, the pushing block 11 extrudes the second spring block 1208, the second spring block 1208 and the third spring retract, the second spring block 1208 moves through the second spring block groove 8, so that the supporting seat 1201 moves downward, the supporting seat 1201 loses the supporting state for the pull box 2, when the supporting seat 1201 is in contact with the bottom end of the body 1, the inserting block 306 enters the positions of the two clamping blocks 303, the clamping blocks 303 and the fourth spring 304 retract, when the clamping groove 307 moves to the protruding block 309 on the outer wall of the clamping block 303, the two clamping blocks 303 keep the abutting state for the inserting block 306, and the function of fixing the pull box 2 and the body 1 is achieved.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and the present invention is not limited thereto, and any modifications and variations which can be made by those skilled in the art without departing from the spirit of the present invention shall fall within the scope of the present invention.
Claims (7)
1. The backpack for the operation and the inspection of the power transmission line is characterized by comprising a body (1) and a pull box (2); the pull box (2) is positioned in the body (1) and is connected with the body (1) in a sliding way through a sliding mechanism; a supporting mechanism (12) is also arranged in the body (1), and the bottom end of the pull box (2) is connected with the supporting mechanism (12); a fixing mechanism (3) is arranged between the upper end of the body (1) and the upper end of the pull box (2).
2. The backpack for the transmission line operation and inspection according to claim 1, wherein the sliding mechanism comprises a moving seat (4) arranged on the left and right inner walls of the body (1) and moving arms (9) arranged on the left and right outer walls of the pull box (2);
the movable seat (4) is of a hollow structure, a movable groove (5) is formed in the hollow structure, and sliding arms (6) are arranged on the front inner wall and the rear inner wall of the movable groove (5);
sliding grooves (10) are formed in the front outer wall and the rear outer wall of the moving arm (9); the moving arm (9) is inserted into the moving groove (5) to enable the sliding arm (6) to be in sliding connection with the corresponding sliding groove (10).
3. The backpack for the operation and the detection of the power transmission line according to claim 2, wherein a fixed groove (7) is arranged in the middle of the movable seat (4) to divide the movable seat (4) into an upper part and a lower part; a second spring block groove (8) is formed in the outer wall of the lower moving seat (4); the bottom end of the moving arm (9) is connected with a pushing block (11);
the supporting mechanism (12) comprises a supporting seat (1201), a telescopic seat (1202), a first spring (1203), a connecting column (1204), a spring block groove (1205), a first spring block (1206), a second spring (1207), a second spring block (1208), a third spring (1209) and a spring groove (1210);
the telescopic seat (1202) is arranged on the supporting seat (1201); the telescopic seat (1202) is of a hollow structure, the first spring (1203) is arranged in the telescopic seat (1202), and the bottom end of the first spring is fixedly connected with the telescopic seat (1202);
the top end of the connecting column (1204) is connected with the bottom end of the pull box (2), and the bottom end of the connecting column (1204) extends into the telescopic seat (1202) to be connected with the top end of the first spring (1203);
the bottom of the connecting column (1204) is provided with a convex part, and a spring block groove (1205) is arranged on the convex part; one end of a second spring (1207) is connected with the inner side wall of the spring block groove (1205), and the other end of the second spring is connected with a first spring block (1206);
two spring grooves (1210) are formed in the inner wall of the supporting seat (1201), and the two spring grooves (1210) are distributed up and down on the inner wall of the supporting seat (1201); the first spring block (1206) is matched with the spring groove (1210);
two sides of the supporting seat (1201) are respectively connected with a second spring block (1208) through a third spring (1209); the second spring block (1208) is in sliding connection with the corresponding second spring block groove (8) and is clamped into the corresponding fixing groove (7) when the pull box (2) is lifted.
4. The backpack for the transmission line operation and inspection as claimed in claim 3, wherein the connecting column (1204) is fixedly connected with the pull box (2) through screws.
5. The backpack for the power transmission line inspection according to claim 3 or 4, wherein the fixing mechanism (3) comprises a fixed seat (301), a clamping seat (302), a clamping block (303), a four-number spring (304), a pull rod (305), an inserting block (306), a clamping groove (307), a socket (308) and a protruding block (309);
the top end of the socket (308) is connected with the top end of the pull box (2), the bottom end of the socket (308) is connected with the insertion block (306), and the left side wall and the right side wall of the insertion block (306) are respectively provided with a clamping groove (307);
the fixing seat (301) is installed at the upper end of the front side face of the body (1), and the fixing seat (301) is of a hollow structure and is used for inserting the inserting block (306);
the clamping seat (302), the clamping block (303) and the four-number spring (304) are respectively provided with two; one end of one clamping seat (302) is connected with the right side wall of the fixed seat (301), and the other end of the clamping seat is connected with one clamping block (303) through a four-number spring (304); the pull rod (305) penetrates through the left side wall of the fixed seat (301) and then is connected with one end of another clamping seat (302), and the other end of the clamping seat (302) is connected with another clamping block (303) through another four-number spring (304);
a protruding block (309) is arranged on the side wall, away from the four-spring (304), of the clamping block (303), and the protruding block (309) is matched with the clamping groove (307).
6. The backpack for the transmission line operation and inspection according to claim 5, wherein the fixing seat (301) is fixedly connected with the body (1) through screws.
7. The backpack for the transmission line inspection according to any one of claims 1 to 4 and 6, wherein the body (1) is provided with straps (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123337578.0U CN216701909U (en) | 2021-12-28 | 2021-12-28 | Transmission line fortune is examined and is used knapsack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123337578.0U CN216701909U (en) | 2021-12-28 | 2021-12-28 | Transmission line fortune is examined and is used knapsack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216701909U true CN216701909U (en) | 2022-06-10 |
Family
ID=81887224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123337578.0U Expired - Fee Related CN216701909U (en) | 2021-12-28 | 2021-12-28 | Transmission line fortune is examined and is used knapsack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216701909U (en) |
-
2021
- 2021-12-28 CN CN202123337578.0U patent/CN216701909U/en not_active Expired - Fee Related
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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: 20220610 |
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| CF01 | Termination of patent right due to non-payment of annual fee |