CN114649622A - High-efficient damping device that new energy automobile group battery was used - Google Patents
High-efficient damping device that new energy automobile group battery was used Download PDFInfo
- Publication number
- CN114649622A CN114649622A CN202011521587.2A CN202011521587A CN114649622A CN 114649622 A CN114649622 A CN 114649622A CN 202011521587 A CN202011521587 A CN 202011521587A CN 114649622 A CN114649622 A CN 114649622A
- Authority
- CN
- China
- Prior art keywords
- battery pack
- outer box
- damping device
- new energy
- energy automobile
- 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.)
- Granted
Links
- 238000013016 damping Methods 0.000 title claims abstract description 31
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 14
- 230000000694 effects Effects 0.000 description 17
- 230000003139 buffering effect Effects 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Images
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a high-efficiency damping device for a new energy automobile battery pack, which comprises an outer box body, a stable clamping plate and a first spring, wherein a box cover is arranged at the top end of the outer box body, one end of the box cover is connected with a first connecting shaft, the stable clamping plate is arranged on one side of a battery pack body, a connecting sleeve is connected to one side of the stable clamping plate, a first sliding block is connected to one side of the connecting sleeve, and a first sliding groove is formed in one side of the first sliding block. The rotating rod is driven to rotate under the action of the third connecting shaft and the second connecting shaft, so that the fixing clamping rod fixedly connected with the box cover can be separated from the fixed control of the clamping groove, the box cover can be opened under the action of the first connecting shaft, the battery pack body can be conveniently placed and repaired and replaced in the later period, the arranged outer box can protect the battery pack body, and the battery pack body is prevented from being damaged due to direct external contact.
Description
Technical Field
The invention relates to the technical field of automobile battery pack shock absorption, in particular to a high-efficiency shock absorption device for a new energy automobile battery pack.
Background
The battery pack of the new energy automobile is used as one of core components of the new energy automobile, and the quality of the battery pack can directly influence the safety and the service life of the automobile. The automobile can be jolted because of the influence of road conditions in the driving process, so the battery pack is protected to a certain extent in the using process, namely, the adverse effect on the battery pack caused by the vibration of an automobile body is reduced, and the conventional damping device for the automobile battery pack still has certain problems and defects, and has the following specific problems:
1. the existing damping device for the automobile battery pack has low damping performance efficiency and cannot comprehensively protect each position of a battery;
2. the existing damping device for the automobile battery pack has poor safety of the battery pack which is arranged and rotated between the existing damping device and the existing damping device, cannot be well taken care of and lacks of good protection performance;
3. current damping device for car group battery in time sets up under the prerequisite of protective housing, and the radiating efficiency reduces, makes its life and the work efficiency that has reduced the battery.
Disclosure of Invention
The invention aims to provide a high-efficiency damping device for a new energy automobile battery pack, which aims to solve the problems that the conventional damping device for the automobile battery pack, which is proposed in the background art, is low in damping performance and cannot protect each position of a battery comprehensively.
In order to achieve the purpose, the invention provides the following technical scheme: a high-efficiency damping device for a new energy automobile battery pack comprises an outer box body, a stable clamping plate, a first spring and a blower, wherein a box cover is arranged at the top end of the outer box body, one end of the box cover is connected with a first connecting shaft, the other end of the box cover is provided with a locking mechanism, a battery pack body is arranged in the outer box body, one side of the battery pack body is provided with the stable clamping plate, one side of the stable clamping plate is connected with a connecting sleeve, one side of the connecting sleeve is connected with a first sliding block, one side of the first sliding block is provided with a first sliding groove, the bottom end of the battery pack body is provided with a placing plate, the box cover can be opened and closed through the matching of the first connecting shaft and the locking mechanism, the battery pack body placed inside the box body can be protected, the replacement work of the battery pack body in the later period is facilitated, and the stable clamping plate realizes the telescopic performance through the effects of the connecting sleeve and the telescopic rod and the buffer spring, two firm splint can carry out spacing and supplementary buffering damping force of rocking with the firm centre gripping of group battery body and realization according to the activity of group battery body, and first slider can further enlarge the movable scope of group battery body buffering in the inside gliding effect from top to bottom of first spout, improves absorbing efficiency.
Preferably, the outside of outer box is provided with transparent observation window, and one side of outer box installs the hair-dryer to one side of hair-dryer is connected with the ventilation pipe, and transparent observation window convenient to use person observes the behavior of the inside group battery body of outer box, and the hair-dryer can be rationally dispel the heat to the group battery body of the inside work of outer box with the effect of the inside of air conditioning of blowing to outer box and cooperation air exhauster.
Preferably, the exhaust fan is installed to the opposite side of outer box, and one side of outer box is provided with a plurality of radiating grooves, and the effect of hair-dryer cooperation exhaust fan and radiating groove can improve the radiating efficiency of device.
Preferably, the bottom of case lid is connected with the fixed kelly, and one side of fixed kelly is provided with the connection square to the internal connection of connection square has the second connecting axle, fixed kelly and case lid bottom fixed connection, and the bull stick passes through second connecting axle and is connected square swing joint.
Preferably, the inside of adapter sleeve is provided with built-in spout, and the internal connection of adapter sleeve has the telescopic link to the outside of telescopic link is provided with buffer spring, and firm splint have scalable effect through the telescopic link with the adapter sleeve, and the effect of cooperation buffer spring can cushion the concertina power of telescopic link, and the cooperation telescopic link can improve the shock attenuation shock-absorbing capacity of firm splint in the inside sliding action of cooperation built-in spout of adapter sleeve.
Preferably, the one end of placing the board is connected with the second slider, and one side of second slider is provided with the second spout to the bottom of placing the board is connected with first spring, the inside wall of outer box is provided with out the tuber pipe, and the second slider can assist in placing the board through the power that first spring reciprocated at the inside gliding effect of second spout, makes more of its removal have stability, can not make group battery body rock about excessively, the collision is on the inside wall of outer box.
Preferably, the bottom of the connecting square block is connected with a rotating rod, a clamping groove is formed in one side of the rotating rod, the bottom of the rotating rod is connected with a third connecting shaft, the rotating rod is movably connected with one end of a pull rod through the third connecting shaft, and the pull rod can be pulled to be matched with the second connecting shaft to enable the rotating rod to rotate.
Preferably, the bottom end of the rotating rod is connected with a pull rod, the other side of the rotating rod is connected with a second spring, and the second spring can assist the resetting of the rotating rod and increase the flexibility of the rotating rod.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the efficient damping device for the new energy automobile battery pack, the rotation of the rotating rod is driven to rotate by utilizing the pulling pull rod and matching with the action of the third connecting shaft and the second connecting shaft, the fixing clamping rod fixedly connected with the box cover can be separated from the fixed control of the clamping groove, the box cover can be opened by matching with the action of the first connecting shaft, the battery pack body can be conveniently placed and repaired and replaced in the later period, the arranged outer box body can play a role in protecting the battery pack body, and the battery pack body is prevented from being damaged due to direct external contact;
(2) according to the efficient damping device for the battery pack of the new energy automobile, after the battery pack body is placed on the placing plate, the stable clamping plate can be automatically positioned through the telescopic rod and the buffer spring to clamp two sides of the battery pack body, a certain fixing effect can be achieved, when the outer box body is impacted and shaken by the outside, the telescopic rod can reliably stretch and retract by itself and can slide in the connecting sleeve, and the buffering force can be effectively generated by matching with the elasticity of the buffer spring to reduce the force of shaking the battery pack body to shake left and right, so that the battery pack body is effectively prevented from colliding with two side walls of the outer box body;
(3) this kind of high-efficient damping device that new energy automobile group battery was used, through the board of placing of accepting in group battery body bottom through first spring and outer internal portion bottom swing joint, then when group battery body received vibrations up-and-down motion, the effect of placing the first spring of board accessible carries out the buffering formula and reciprocates then and produces the power of mutual confrontation with the group battery body of vibrations to the second slider can assist in placing reciprocating of board at the inside gliding power of second spout, can effectively improve the shock attenuation efficiency of device.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged view of the inside of the connecting sleeve according to the present invention;
FIG. 3 is an enlarged view of the latch mechanism of the present invention;
FIG. 4 is a schematic view of the external structure of the present invention;
FIG. 5 is a schematic side view of the present invention.
In the figure: 1. an outer case; 2. a box cover; 3. a first connecting shaft; 4. a latch mechanism; 5. a battery pack body; 6. stabilizing the clamping plate; 7. connecting sleeves; 8. a first slider; 9. a first chute; 10. placing the plate; 11. a second slider; 12. a second chute; 13. a first spring; 14. an air outlet pipe; 15. a chute is arranged inside; 16. a buffer spring; 17. a telescopic rod; 18. fixing the clamping rod; 19. connecting the squares; 20. a second connecting shaft; 21. a rotating rod; 22. a card slot; 23. a third connecting shaft; 24. a pull rod; 25. a second spring; 26. a transparent viewing window; 27. a blower; 28. a vent pipe; 29. an exhaust fan; 30. and a heat dissipation groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention is shown: a high-efficiency damping device for a new energy automobile battery pack comprises an outer box body 1, a stable clamping plate 6, a first spring 13 and a blower 27, wherein a box cover 2 is arranged at the top end of the outer box body 1, the bottom end of the box cover 2 is connected with a fixed clamping rod 18, one side of the fixed clamping rod 18 is provided with a connecting block 19, the bottom end of the connecting block 19 is connected with a rotating rod 21, the bottom end of the rotating rod 21 is connected with a pull rod 24, the other side of the rotating rod 21 is connected with a second spring 25, and the second spring 25 can assist the rotating rod 21 in resetting and increase the flexibility of the rotating rod 21;
a clamping groove 22 is formed in one side of the rotating rod 21, the bottom end of the rotating rod 21 is connected with a third connecting shaft 23, the rotating rod 21 is movably connected with one end of a pull rod 24 through the third connecting shaft 23, and the pull rod 24 is pulled to enable the rotating rod 21 to rotate under the action of the second connecting shaft 20;
a second connecting shaft 20 is connected inside the connecting block 19, the fixed clamping rod 18 is fixedly connected with the bottom end of the box cover 2, and the rotating rod 21 is movably connected with the connecting block 19 through the second connecting shaft 20;
one end of the box cover 2 is connected with a first connecting shaft 3, the other end of the box cover 2 is provided with a locking mechanism 4, a battery pack body 5 is arranged inside the outer box 1, a stable clamping plate 6 is arranged on one side of the battery pack body 5, a connecting sleeve 7 is connected to one side of the stable clamping plate 6, a built-in sliding groove 15 is arranged inside the connecting sleeve 7, an expansion link 17 is connected inside the connecting sleeve 7, a buffer spring 16 is arranged outside the expansion link 17, the stable clamping plate 6 and the connecting sleeve 7 have an expansion function through the expansion link 17, the expansion force of the expansion link 17 can be buffered by matching the action of the buffer spring 16, and the damping and buffering performance of the stable clamping plate 6 can be improved by matching the sliding action of the expansion link 17 in the connecting sleeve 7 and matching with the built-in sliding groove 15;
one side of the connecting sleeve 7 is connected with a first sliding block 8, one side of the first sliding block 8 is provided with a first sliding chute 9, the bottom end of the battery pack body 5 is provided with a placing plate 10, one end of the placing plate 10 is connected with a second sliding block 11, one side of the second sliding block 11 is provided with a second sliding chute 12, the bottom end of the placing plate 10 is connected with a first spring 13, the inner side wall of the outer box body 1 is provided with an air outlet pipe 14, the second sliding block 11 can assist the force of the placing plate 10 moving up and down through the first spring 13 under the sliding action in the second sliding chute 12, so that the movement of the placing plate is more stable, the battery pack body 5 cannot excessively shake left and right and collide on the inner side wall of the outer box body 1;
and case lid 2 can realize the switching through the cooperation of first connecting axle 3 with latched device 4, can play the guard action to the inside group battery body 5 of placing of external box 1, and the later stage of being convenient for is to the change work of group battery body 5, firm splint 6 realize the elasticity performance through adapter sleeve 7 and telescopic link 17 and buffer spring 16's effect, two firm splint 6 can carry out spacing and supplementary buffering damping force that rocks with the firm centre gripping of group battery body 5 and realize according to group battery body 5's activity, and first slider 8 can further enlarge the scope of group battery body 5 buffering activity in the inside gliding effect from top to bottom of first spout 9, the absorbing efficiency is improved.
The outside of outer box 1 is provided with transparent observation window 26, and one side of outer box 1 installs hair-dryer 27 to one side of hair-dryer 27 is connected with ventilation pipe 28, and transparent observation window 26 convenient to use person observes the behavior of the inside group battery body 5 of outer box 1, and hair-dryer 27 can blow air conditioning to the inside of outer box 1 and the effect of cooperation air exhauster 29 can rationally dispel the heat to the group battery body 5 of outer box 1 internal work.
And the other side of the outer box 1 is provided with an exhaust fan 29, and one side of the outer box 1 is provided with a plurality of heat dissipation grooves 30, and the blower 27 can improve the heat dissipation efficiency of the device by matching the effects of the exhaust fan 29 and the heat dissipation grooves 30.
The working principle is as follows: the pull rod 24 is pulled, and the movable action of the third connecting shaft 23 and the second connecting shaft 20 is matched to drive the rotating rod 21 to rotate, so that the fixing clamping rod 18 fixedly connected with the case cover 2 can be separated from the fixed control of the clamping groove 22, the case cover 2 can be opened by matching the movable action of the first connecting shaft 3, the arrangement of the battery pack body 5 and the repair and replacement work of the battery pack body 5 at the later stage can be facilitated, the arranged outer case 1 can play a role in protecting the battery pack body 5, the damage caused by the direct contact of the outside on the battery pack body 5 can be avoided, after the battery pack body 5 is placed on the placing plate 10, the fixing clamping plate 6 can realize automatic positioning through the action of the telescopic rod 17 and the buffer spring 16, the two sides of the battery pack body 5 can be clamped, a certain fixing effect can be achieved, and when the outer case 1 is impacted and shaken by the outside, the telescopic link 17 can reliably slide in the connecting sleeve 7 and can effectively generate buffering force to reduce the force of shaking the battery pack body 5 left and right shaking by effectively avoiding the collision between the battery pack body 5 and the two side walls of the outer box body 1, the plate 10 placed on the bottom end of the battery pack body 5 is movably connected with the bottom end of the outer box body 1 through the first spring 13, when the battery pack body 5 moves up and down due to vibration, the plate 10 can move up and down in a buffering manner under the action of the first spring 13 and generate mutual opposite force with the vibrating battery pack body 5, the second slider 11 can assist in moving up and down the plate 10 under the sliding force in the second sliding groove 12, and the damping efficiency of the device can be effectively improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a high-efficient damping device that new energy automobile group battery was used, includes outer box (1), firm splint (6), first spring (13) and hair-dryer (27), its characterized in that: the utility model discloses a battery box, including outer box (1), case lid (2), battery box (2), fixing plate (6), fixing plate (7), one side of adapter sleeve (7), and one side of first slider (8) is provided with first spout (9) to the top of outer box (1) is provided with case lid (2), and the one end of case lid (2) is connected with first connecting axle (3) to the other end of case lid (2) is provided with latched device (4), the inside of outer box (1) is provided with battery pack body (5), and one side of battery pack body (5) is provided with firm splint (6) to one side of firm splint (6) is connected with adapter sleeve (7), one side of adapter sleeve (7) is connected with first slider (8), and one side of first slider (8) is provided with first spout (9) to the bottom of battery pack body (5) is provided with places board (10).
2. The efficient damping device for the battery pack of the new energy automobile according to claim 1, wherein: the outer side of the outer box body (1) is provided with a transparent observation window (26), one side of the outer box body (1) is provided with a blower (27), and one side of the blower (27) is connected with a ventilation pipe (28).
3. The efficient damping device for the battery pack of the new energy automobile according to claim 2, wherein: an exhaust fan (29) is installed on the other side of the outer box body (1), and a plurality of radiating grooves (30) are formed in one side of the outer box body (1).
4. The efficient damping device for the battery pack of the new energy automobile according to claim 1, wherein: the bottom end of the box cover (2) is connected with a fixed clamping rod (18), one side of the fixed clamping rod (18) is provided with a connecting block (19), and the inside of the connecting block (19) is connected with a second connecting shaft (20).
5. The efficient damping device for the battery pack of the new energy automobile according to claim 1, wherein: the connecting sleeve is characterized in that a built-in sliding groove (15) is formed in the connecting sleeve (7), an expansion rod (17) is connected to the inside of the connecting sleeve (7), and a buffer spring (16) is arranged on the outer side of the expansion rod (17).
6. The efficient damping device for the battery pack of the new energy automobile according to claim 1, wherein: one end of the placing plate (10) is connected with a second sliding block (11), one side of the second sliding block (11) is provided with a second sliding chute (12), and the bottom end of the placing plate (10) is connected with a first spring (13).
7. The efficient damping device for the battery pack of the new energy automobile according to claim 4, wherein: the bottom end of the connecting block (19) is connected with a rotating rod (21), a clamping groove (22) is formed in one side of the rotating rod (21), and the bottom end of the rotating rod (21) is connected with a third connecting shaft (23).
8. The efficient damping device for the battery pack of the new energy automobile according to claim 7, wherein: the bottom end of the rotating rod (21) is connected with a pull rod (24), and the other side of the rotating rod (21) is connected with a second spring (25).
9. The efficient damping device for the battery pack of the new energy automobile according to claim 1, wherein: an air outlet pipe (14) is arranged on the inner side wall of the outer box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011521587.2A CN114649622B (en) | 2020-12-21 | 2020-12-21 | Damping device for new energy automobile battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011521587.2A CN114649622B (en) | 2020-12-21 | 2020-12-21 | Damping device for new energy automobile battery pack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114649622A true CN114649622A (en) | 2022-06-21 |
| CN114649622B CN114649622B (en) | 2024-04-16 |
Family
ID=81990505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011521587.2A Active CN114649622B (en) | 2020-12-21 | 2020-12-21 | Damping device for new energy automobile battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114649622B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207818800U (en) * | 2018-01-09 | 2018-09-04 | 惠州市凯业盛能源有限公司 | A kind of soft package lithium battery steady type mounting structures |
| CN208400897U (en) * | 2018-05-28 | 2019-01-18 | 深圳市恒浩伟业科技有限公司 | A kind of new energy car battery group protective device |
| GB202003903D0 (en) * | 2020-03-18 | 2020-05-06 | Cummins Inc | Battery module |
| CN210706857U (en) * | 2019-07-05 | 2020-06-09 | 无锡科技职业学院 | Automobile battery pack mounting bracket |
| WO2020151270A1 (en) * | 2019-01-24 | 2020-07-30 | 柳海强 | Battery shock absorber for new energy automobile |
| CN211376711U (en) * | 2019-12-17 | 2020-08-28 | 上海擎展汽车科技有限公司 | New energy automobile battery box protection mechanism |
-
2020
- 2020-12-21 CN CN202011521587.2A patent/CN114649622B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207818800U (en) * | 2018-01-09 | 2018-09-04 | 惠州市凯业盛能源有限公司 | A kind of soft package lithium battery steady type mounting structures |
| CN208400897U (en) * | 2018-05-28 | 2019-01-18 | 深圳市恒浩伟业科技有限公司 | A kind of new energy car battery group protective device |
| WO2020151270A1 (en) * | 2019-01-24 | 2020-07-30 | 柳海强 | Battery shock absorber for new energy automobile |
| CN210706857U (en) * | 2019-07-05 | 2020-06-09 | 无锡科技职业学院 | Automobile battery pack mounting bracket |
| CN211376711U (en) * | 2019-12-17 | 2020-08-28 | 上海擎展汽车科技有限公司 | New energy automobile battery box protection mechanism |
| GB202003903D0 (en) * | 2020-03-18 | 2020-05-06 | Cummins Inc | Battery module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114649622B (en) | 2024-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109933149A (en) | A kind of computer cabinet of included deashing function | |
| CN213750920U (en) | Computer network equipment protection device | |
| CN114649622A (en) | High-efficient damping device that new energy automobile group battery was used | |
| CN112783292B (en) | Computer hard disk shock attenuation protection device | |
| CN111600231B (en) | High-efficient electric power rack cooling system with electrostatic precipitator function | |
| CN214315958U (en) | Electronic information equipment protection device | |
| CN213900593U (en) | Air compressor for mine excavation | |
| CN215006232U (en) | Outdoor projection protection box with damper | |
| CN211295922U (en) | Shockproof dustproof power distribution cabinet | |
| CN212305853U (en) | Communication equipment convenient to use | |
| CN115313768A (en) | Dustless cooling formula motor | |
| CN107591506B (en) | Lithium battery protection device with damping function | |
| CN113937414A (en) | New energy automobile battery module radiator | |
| CN220009636U (en) | Path planning monitor for unmanned vehicle track tracking | |
| CN216017050U (en) | Box for placing switch | |
| CN109538315A (en) | A kind of automobile-used more turbine air engines of pneumatic car | |
| CN216437660U (en) | Protective housing that disconnected coal signal collection device used | |
| CN111829056A (en) | New forms of energy heating equipment | |
| CN210157573U (en) | Uniform heat dissipation's main frame placer | |
| CN219072444U (en) | Air purifying device for building decoration | |
| CN215318637U (en) | Automobile maintenance tool | |
| CN117477366B (en) | Damping and heat dissipation electric power cabinet for electric power engineering | |
| CN218662251U (en) | Central control terminal for moped | |
| CN212381602U (en) | Heat dissipation device for environment control system | |
| CN216519513U (en) | Dustproof and shock-resistant speed reducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |