CN214945936U - Connecting rod type normally-locked disc brake device - Google Patents
Connecting rod type normally-locked disc brake device Download PDFInfo
- Publication number
- CN214945936U CN214945936U CN202120080444.6U CN202120080444U CN214945936U CN 214945936 U CN214945936 U CN 214945936U CN 202120080444 U CN202120080444 U CN 202120080444U CN 214945936 U CN214945936 U CN 214945936U
- Authority
- CN
- China
- Prior art keywords
- hole
- connecting rod
- guide
- rod
- positioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims description 17
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model provides a connecting rod type constant-lock dish device of stopping, including the closing cap, a pedestal, right side slide bar, right branch frame, left slide bar, left socle, the friction disc, preceding locating piece, the guide holder, the back locating piece, the connecting rod, the connecting seat, a spring, preceding guide bar, the connecting rod, back guide bar, right side slide bar and left slide bar pass through clearance fit and install on spacing step, the connecting rod passes through the screw to constitute with right slide bar and left slide bar respectively and rotates to be connected, spring mounting is in the spring mounting hole, guide holder connecting screw installs the guide holder on preceding locating piece, right branch frame passes through right branch frame connecting screw and installs on right slide bar, left socle passes through left branch frame connecting screw and installs on left slide bar, the friction disc passes through friction disc connecting screw and fixes respectively on right branch frame and left socle.
Description
Technical Field
The invention relates to the technical field of disc brake, in particular to a connecting rod type normally-locked disc brake device.
Background
With the improvement of safety awareness of people, the braking mode that people are in an unlocking state and rely on artificial active braking in a normal state cannot meet the requirements of people, and normally-locked braking is more and more important, and is particularly important on a swaying ship, large-scale medical equipment, a baby carriage and a mining area cargo transportation tool. The normally open type brake mainly applied to the field of active braking has great potential safety hazards due to manual operation, such as universal wheels with brakes and brakes used on baby carriages. Various forms of brakes in the existing market are all in a normally open type brake mode, particularly in an active brake mode in the field of disc brakes, and the requirements cannot be met. In the conventional ordinary locking type brake device, the rigid brake has large impact on a mechanical structure, particularly when the brake is used in a motion process, the rigid brake is very easy to damage, for example, a gear or a wheel is adopted to influence user experience, in the conventional locking type brake device, a hydraulic disc brake structure is mainly adopted, in the conventional locking type hydraulic disc brake device, hydraulic transmission is mainly adopted, for example, in patent patents CN109532998A and CN109538661A, positive pressure of a friction plate is mainly provided by a spring, as the hydraulic disc brake device has a complex structure and is very unfavorable for processing, hydraulic oil is in a pressure state under normal conditions, a hydraulic system can leak under a long-term working condition, the hydraulic oil leakage fails, and meanwhile, a self-locking function is not provided, and the reliability of the hydraulic type disc brake device is very low, cannot meet the current requirements.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a connecting rod type normally-locked disc brake device which is used for realizing a normally-locked brake mode with high reliability, flexibility and self-locking.
The invention is realized by the following technical scheme:
a connecting rod type normally-locked disc brake device comprises a sealing cover, a base, a right sliding rod, a right support, a left sliding rod, a left support, a friction plate, a front positioning block, a guide seat, a rear positioning block, a connecting rod, a connecting seat, a spring, a front guide rod, a connecting rod, a rear guide rod and a positioning bolt, and is characterized in that four first positioning connecting holes are uniformly distributed in the front and at the rear of the sealing cover, four second positioning connecting holes are formed in the base, two third positioning connecting holes are formed in the front positioning block, two fourth positioning connecting holes are formed in the rear positioning block, the positioning bolt is connected with the first positioning connecting holes, the second positioning connecting holes, the third positioning connecting holes and the fourth positioning connecting holes in an interference fit manner, an upper positioning step and a lower positioning step are arranged in the middle of the sealing cover, the upper positioning step and the lower positioning step are respectively in sliding connection with the right sliding rod and the left sliding rod, the supporting side edges are arranged on the left side and the right side edges of the sealing cover, the brake cable guide device is characterized in that a limiting step is arranged in front of and behind the base, a right sliding rod and a left sliding rod are arranged on the limiting step in a clearance fit mode, a connecting rod is rotatably connected with the right sliding rod and the left sliding rod through screws respectively, a brake shoe limiting hole and a brake cable through hole are formed in the front end of the guide seat, a connecting rod guide hole is formed in the guide seat, a front guide rod is arranged in the connecting rod guide hole, a brake cable mounting hole is formed in the front section of the guide seat, the brake cable is fixed in the brake cable mounting hole through the brake cable through hole, a spring mounting hole is formed in the guide seat, the spring is mounted in the spring mounting hole, a positioning stepped shaft is arranged at the tail end of the guide seat, a guide seat connecting hole is formed in the center of the front positioning block, the guide seat is mounted on a front positioning block through a guide seat connecting screw, a positioning step is arranged on the front guide rod, and a screw thread is arranged at the tail end of the front guide rod, the threaded shaft end fixes the front guide rod, the connecting seat and the connecting rod together through threaded connection, connecting rod connecting holes are arranged on two sides of the connecting seat, the positioning stepped shaft is arranged in the connecting rod connecting holes, the connecting rod and the connecting seat are connected together through the positioning stepped shaft, the center of the connecting seat is provided with the fixed connecting hole, the threaded shaft end is arranged in the fixed connecting hole through matching, the connecting rod is provided with a guide rod threaded hole, the threaded shaft end is arranged in the guide rod threaded hole through threaded connection, the connecting rod is provided with a connecting rod shaft end, the connecting rod shaft end is arranged in the fixed connecting hole, the bottom of the rear guide rod is provided with a connecting rod threaded hole, the connecting rod shaft end is arranged in the connecting rod threaded hole through threaded connection, the rear positioning block is provided with a rear guide rod mounting hole, the rear guide rod is arranged in the rear guide rod mounting hole, the right support is arranged on the right slide rod through a right support connecting screw, the left support is installed on the left sliding rod through a left support connecting screw, and the friction plates are installed on the right support and the left support through friction plate connecting screws respectively.
The left support is provided with a sealing step.
The closing cap is equipped with dish device connecting thread hole of stopping.
The invention has the beneficial effects that: the connecting rod transmission mode is adopted, the self-locking function of the connecting rod at the dead point position is fully utilized, the possibility that the hydraulic system cannot brake due to oil leakage is avoided, meanwhile, the connecting rod is adopted for force transmission, the amplification of the spring force in the working state is realized, and the high reliability of the normally-locked brake is realized by utilizing the self-locking function of the connecting rod. Meanwhile, the connecting rods are symmetrically distributed, so that the friction plates on the two sides of the brake block can act simultaneously in the braking process, the stress on the two sides of the brake block is uniform in the whole braking process, the possibility of friction between the friction plates which do not act uniformly and the brake block is avoided, the overall structure is simple, the processing difficulty of parts is reduced, the processing cost is greatly reduced, and meanwhile, the spring force is changed uniformly in the unlocking process, and the brake block is convenient to use.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is an exploded view of the structure in an unlocked state of one embodiment of the present invention.
Fig. 3 is a schematic view of a closure structure according to an embodiment of the present invention.
FIG. 4 is a cross-sectional view of a transmission portion of one embodiment of the present invention.
Fig. 5 is a schematic view of a connecting seat structure according to an embodiment of the invention.
In the figure: 1. sealing the cover; 2. a base; 3. a right slide bar; 4. a right bracket; 5. a left slide bar; 6. a left bracket; 7. a friction plate; 8. a front positioning block; 9. a guide seat; 10. a rear positioning block; 11. a connecting rod; 12. a connecting seat; 13. a spring; 14. a front guide bar; 15. a connecting rod; 16. a rear guide bar; 17. a first positioning connection hole; 18. supporting the side edges; 19. positioning steps up and down; 20. limiting the side edge; 21. a limiting step; 22. a screw; 23. a second positioning connecting hole; 24. a third positioning connecting hole; 25. a fourth positioning connecting hole; 26. positioning the bolt; 27. a brake shoe limiting hole; 28. a gate line through hole; 29. a brake cable mounting hole; 30. a connecting rod guide hole; 31. a spring mounting hole; 32. positioning the ladder; 33. a threaded shaft end; 34. A connecting rod connecting hole; 35. fixing the connecting hole; 36. positioning the stepped shaft; 37. a guide seat connecting hole; 38. the guide seat is connected with a screw; 39. a guide rod threaded hole; 40. the shaft end of the connecting rod; 41. a connecting rod threaded hole; 42. a rear guide bar mounting hole; 43. the right bracket is connected with a screw; 44. the left bracket is connected with a screw; 45. the friction plate is connected with a screw; 46. sealing the step; 47. connecting the threaded hole; 48. and (4) sliding the step.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
As shown in fig. 1 and 2, an embodiment of the invention provides a link-type normally-locked disc brake device with a self-locking function, which includes a structural member cover 1, four first positioning connection holes 17 are formed in the front and rear of the cover 1, the four first positioning connection holes 17 are distributed in a front-rear left-right symmetrical manner to perform positioning and connecting functions, four second positioning connection holes 23 are formed in corresponding positions of a base 2, two third positioning connection holes 24 are formed in a front positioning block 8, two fourth positioning connection holes 25 are formed in a rear positioning block 10, positioning screws 26 are sequentially installed in the first positioning connection holes 17, the third positioning connection holes 24, the fourth positioning connection holes 25 and the second positioning connection holes 23 through interference fit, and the base 2, the front positioning block 8, the rear positioning block 10 and the cover 1 are fixedly connected together. An upper positioning step 19 and a lower positioning step 19 are arranged in the middle of the sealing cover 1, after assembly is completed, the upper positioning step 19 and the lower positioning step 19 are in contact with the upper surfaces of the right sliding rod 3 and the left sliding rod 5, sliding connection is formed through clearance fit, and the upper positioning step 19 and the lower positioning step 19 limit displacement of the right sliding rod 3 and the left sliding rod 5 in the height direction in the process of moving left and right. The left side and the right side of the sealing cover 1 are provided with supporting side edges 18, the left side and the right side of the base 2 are provided with limiting side edges 20, the left supporting side edges 18 limit the displacement of the right sliding rod 3 and the left sliding rod 5 in the left-right direction, and the supporting side edges 18 are connected with the limiting side edges 20 to play the roles of supporting and preventing dust. The base 2 is provided with limiting steps 21 in the front and back, the right slide bar 3 and the left slide bar 5 are provided with sliding steps 48, the sliding steps 48 are arranged on the limiting steps 21 in a clearance fit mode, the right slide bar 3 and the left slide bar 5 can slide left and right on the limiting steps, the sliding steps 48 limit the displacement of the right slide bar 3 and the left slide bar 5 in the front and back direction, and the limiting steps 21 play a role in guiding and supporting in the moving process. The right support 4 is installed on the right slide bar 3 through a right support connecting screw 43, the left support 6 is installed on the left slide bar 5 through a left support connecting screw 44, the friction plates 7 are respectively installed on the right support 4 and the left support 6 through friction plate connecting screws 45, the friction plates 7 on the two supports are symmetrically distributed about the disc brake plates, the synchronous proceeding of the movement is guaranteed, and then the stress on the two sides of the disc brake plates in the braking process is uniform.
As shown in fig. 4, the embodiment of the present invention provides a link-type normally-locked disc brake device with a self-locking function, the front end of a guide seat 9 is provided with a brake shoe limiting hole 27 and a brake cable through hole 28, the link-type normally-locked disc brake device controls the opening and closing of a brake process by using a brake shoe, the brake shoe is installed in the brake shoe limiting hole 27, the diameter of the brake shoe limiting hole 27 is the same as the outer diameter of the brake shoe cable, the brake shoe limiting hole 27 limits the movement of the brake shoe cable, the front section of a front guide rod 14 is provided with a brake cable installation hole 29, and the brake cable is fixed in the brake cable installation hole 29 through the brake cable through hole 28. The guide base 9 is provided with a connecting rod guide hole 30 inside, and the front guide rod 14 is installed in the connecting rod guide hole 30 through clearance fit, so that the front guide rod 14 can slide back and forth in the connecting rod guide hole 30, wherein the connecting rod guide hole 30 plays a guiding role. The inside spring mounting hole 31 that is equipped with of guide holder 9, spring 13 install in spring mounting hole 31, and spring 13 leads at the in-process of motion through spring mounting hole 31 simultaneously to the end of spring mounting hole 31 is equipped with the chamfer, has further guaranteed to have avoided the spring card owner when leading. The tail end of the guide seat 9 is provided with a positioning stepped shaft 36, the center of the front positioning block 8 is provided with a guide seat connecting hole 37, the positioning stepped shaft 36 is installed in the guide seat connecting hole 37 in an interference fit mode, the guide seat connecting hole 37 ensures the coaxiality of the positioning stepped shaft 36, and the guide seat 9 is installed on the front positioning block 8 through a guide seat connecting screw 38. Preceding guide bar 14 is equipped with location ladder 32, preceding guide bar 14 end is equipped with screw shaft end 33, be equipped with guide bar screw hole 39 on the connecting rod 15, screw shaft end 33 installs in guide bar screw hole 39 through threaded connection, screw shaft end 33 passes through threaded connection with preceding guide bar 14, connecting seat 12, connecting rod 15 is together fixed, location ladder 32 has restricted preceding front and back position of guide bar 14, screw shaft end 33 comprises optical axis and screw thread end, connecting seat 12 center is equipped with fixed connection hole 35, screw shaft end 33 is installed in fixed connection hole 35 through the cooperation, screw shaft end 33 optical axis part is mainly the positioning action. Connecting rod connecting holes 34 are formed in two sides of the connecting seat 12, positioning stepped shafts 36 are installed in the connecting rod connecting holes 34, and the connecting rod 11 and the connecting seat 12 are connected together through the positioning stepped shafts 36, so that the connecting rod 11 and the connecting seat 12 form rotating connection. Be equipped with connecting rod axle head 40 on connecting rod 15, connecting rod axle head 40 is terminal by optical axis and screw thread to constitute, connecting rod axle head 40 is installed in fixed connection hole 35, the optical axis on the connecting rod axle head 40 plays the positioning action, 16 bottoms in back guide bar are equipped with connecting rod screw hole 41, the threaded portion on the connecting rod axle head 40 passes through threaded connection and installs in connecting rod screw hole 41, realized linking firmly connecting rod 15, connecting seat 12 and back guide bar 16 together. The rear positioning block 10 is provided with a rear guide rod mounting hole 42, the rear guide rod 16 is mounted in the rear guide rod mounting hole 42, and the rear guide rod mounting hole 42 and the connecting rod guide hole 30 are coaxially distributed, so that the front guide rod 14 and the rear guide rod 16 form two-point guide, and the straightness of movement is ensured.
As shown in fig. 1, the embodiment of the present invention provides a link-type constant-lock disc brake device with a self-locking function, wherein a left bracket 6 is provided with a sealing step 46, similarly, the sealing step on a right bracket 4 is provided by a connecting plate, a reinforcing rib is arranged between the left and right, the strength of the bracket is increased, the left bracket 6 and the right bracket 4 are installed in a crossed manner, and the sealing step 46 prevents dust from entering the inside of the device during operation, so that the service life of the brake device is ensured.
As shown in fig. 1, in the embodiment of the present invention, a connecting rod type normally-locked disc brake device with a self-locking function is provided, a sealing cover 1 is provided with a disc brake device connecting threaded hole 47, and the connecting rod type normally-locked disc brake device is installed at a braking position through the connecting threaded hole 47.
The above description is only an example of the specific embodiment of the present invention, and the present invention is not limited thereto. Those skilled in the art can easily find out the modifications and alternative ways within the technical scope of the present disclosure, which are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (3)
1. The utility model provides a connecting rod type normal locking formula dish device of stopping, includes closing cap (1), base (2), right slide bar (3), right branch frame (4), left slide bar (5), left branch frame (6), friction disc (7), preceding locating piece (8), guide holder (9), back locating piece (10), connecting rod (11), connecting seat (12), spring (13), preceding guide bar (14), connecting rod (15), back guide bar (16), positioning bolt (26), a serial communication port, four first location connecting holes (17) of equipartition around closing cap (1), be equipped with four second location connecting holes (23) on base (2), preceding locating piece (8) are equipped with two third location connecting holes (24), and back locating piece (10) are equipped with two fourth location connecting holes (25), and positioning bolt (26) are through interference fit and first location connecting hole (17), A second positioning connecting hole (23), a third positioning connecting hole (24) and a fourth positioning connecting hole (25), wherein an upper positioning step (19) and a lower positioning step (19) are arranged in the middle of the sealing cover (1), the upper positioning step (19) and the lower positioning step (19) are respectively in sliding connection with the right sliding rod (3) and the left sliding rod (5), the left side and the right side of the sealing cover (1) are provided with supporting side edges (18), the left side and the right side of the base (2) are provided with limiting side edges (20), the front end and the back end of the base (2) are provided with the limiting steps (21), the right sliding rod (3) and the left sliding rod (5) are arranged on the limiting steps (21) in a clearance fit manner, a connecting rod (11) is respectively in rotating connection with the right sliding rod (3) and the left sliding rod (5) through screws (22), the front end of the guide seat (9) is provided with a brake shoe limiting hole (27) and a brake wire through hole (28), and a connecting rod guide hole (30) is arranged inside the guide seat (9), preceding guide bar (14) are installed in connecting rod guiding hole (30), preceding guide bar (14) anterior segment is equipped with brake cable mounting hole (29), and the brake cable passes through brake cable through-hole (28) to be fixed in brake cable mounting hole (29), guide holder (9) inside is equipped with spring mounting hole (31), and spring (13) are installed in spring mounting hole (31), guide holder (9) end is equipped with location step shaft (36), preceding locating piece (8) center is equipped with guide holder connecting hole (37), and location step shaft (36) are installed in guide holder connecting hole (37), install guide holder (9) on preceding locating piece (8) through guide holder connecting screw (38), preceding guide bar (14) are equipped with location ladder (32), preceding guide bar (14) end is equipped with screw axle head (33), and screw axle head (33) are through threaded connection with preceding guide bar (14), The connecting seat (12) and the connecting rod (15) are fixed together, connecting rod connecting holes (34) are arranged on two sides of the connecting seat (12), a positioning stepped shaft (36) is installed in the connecting rod connecting holes (34), the connecting rod (11) and the connecting seat (12) are connected together through the positioning stepped shaft (36), a fixed connecting hole (35) is arranged at the center of the connecting seat (12), a threaded shaft end (33) is installed in the fixed connecting hole (35) in a matched mode, a guide rod threaded hole (39) is formed in the connecting rod (15), the threaded shaft end (33) is installed in the guide rod threaded hole (39) in a threaded mode, a connecting rod shaft end (40) is arranged on the connecting rod (15), the connecting rod shaft end (40) is installed in the fixed connecting hole (35), a connecting rod threaded hole (41) is formed in the bottom of the rear guide rod (16), and the connecting rod shaft end (40) is installed in the connecting rod threaded hole (41) in a threaded mode, rear locating piece (10) are equipped with back guide bar mounting hole (42), and back guide bar (16) are installed in back guide bar mounting hole (42), right branch frame (4) are installed on right slide bar (3) through right support connecting screw (43), left branch frame (6) are installed on left slide bar (5) through left support connecting screw (44), friction disc (7) are adorned respectively on right branch frame (4) and left branch frame (6) through friction disc connecting screw (45).
2. The link-type constant-lock disc brake device according to claim 1, wherein: the left support (6) is provided with a sealing step (46).
3. The link-type constant-lock disc brake device according to claim 1, wherein: the sealing cover (1) is provided with a disc brake device connecting threaded hole (47).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120080444.6U CN214945936U (en) | 2021-01-08 | 2021-01-08 | Connecting rod type normally-locked disc brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120080444.6U CN214945936U (en) | 2021-01-08 | 2021-01-08 | Connecting rod type normally-locked disc brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214945936U true CN214945936U (en) | 2021-11-30 |
Family
ID=79122800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120080444.6U Active CN214945936U (en) | 2021-01-08 | 2021-01-08 | Connecting rod type normally-locked disc brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214945936U (en) |
-
2021
- 2021-01-08 CN CN202120080444.6U patent/CN214945936U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112682444B (en) | Connecting rod type constant-locking disc brake device | |
| CN214945936U (en) | Connecting rod type normally-locked disc brake device | |
| CN217350452U (en) | Circular track cable festoon head vehicle | |
| CN110539772A (en) | Automatic hooking and unhooking mechanism, automatic hooking and unhooking device of mine car and mine car | |
| CN216272627U (en) | In-tank car arrester, car arresting system and cage | |
| CN215208210U (en) | Brake block adjustable monorail crane brake mechanism and monorail crane | |
| CN209904754U (en) | Ultra-thin type hoisting track robot and walking device thereof | |
| CN214780300U (en) | Rail clamping braking self-locking device | |
| CN211893200U (en) | Double-handle gear interlocking device | |
| CN114749862A (en) | Tool switching device and tool switching system comprising same | |
| CN210335938U (en) | Hoisting track robot and integrated bearing guide mechanism thereof | |
| CN109941299B (en) | Movable grounding device for railway wagon | |
| CN209833818U (en) | Shifting device | |
| CN203334750U (en) | Bevel wheel for non-avoiding stereoscopic parking equipment | |
| CN112141230A (en) | Vehicle-mounted spare tire carrying device | |
| CN215632426U (en) | Glass lifter guide rail and glass lifter | |
| CN220742626U (en) | Tractor and trailer connection structure | |
| CN214396803U (en) | Transport skip car | |
| CN211684514U (en) | Universal wheel for heavy load | |
| CN221068505U (en) | Fire control unmanned aerial vehicle fixing device, fire control unmanned aerial vehicle and fire engine | |
| CN111762223B (en) | Automatic release pull rod mechanism | |
| CN214647524U (en) | Pure electric mine car drive arrangement shock attenuation installation device | |
| CN209896423U (en) | Automatic plug mechanism | |
| CN219176820U (en) | Middle bridge braking flange convenient to location installation | |
| CN214167210U (en) | Connecting rod type brake pad eccentric wear prevention assembly, hanging brake clamp and brake clamp unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240219 Address after: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee after: Dragon totem Technology (Hefei) Co.,Ltd. Country or region after: China Address before: 067000 No.2 Xueyuan Road, Chengde hi tech Industrial Development Zone, Chengde City, Hebei Province Patentee before: Hebei Petroleum University of Technology Country or region before: China |
|
| TR01 | Transfer of patent right |