CN220895745U - Connecting assembly for assembling battery box body - Google Patents
Connecting assembly for assembling battery box body Download PDFInfo
- Publication number
- CN220895745U CN220895745U CN202322413414.4U CN202322413414U CN220895745U CN 220895745 U CN220895745 U CN 220895745U CN 202322413414 U CN202322413414 U CN 202322413414U CN 220895745 U CN220895745 U CN 220895745U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- limiting
- sleeve
- hole
- battery box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000011324 bead Substances 0.000 claims abstract description 35
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Pivots And Pivotal Connections (AREA)
Abstract
The utility model discloses a connecting component for assembling a battery box body, which comprises a lock male component, a lock female component and a positioning block, wherein the lock male component comprises a limiting cap, a sleeve, a rotating shaft, a limiting bead and a spring which are coaxially arranged; the sleeve is internally arranged and fixed in the limit cap, through holes are formed in the upper part of the sleeve and correspond to the limit holes, and external threads are arranged on the lower part of the sleeve; the rotating shaft part is inserted into the sleeve, the middle part of the rotating shaft is rotationally connected with the sleeve, the upper part and the lower part of the rotating shaft are both provided with gaps with the inner wall of the sleeve, and the upper part of the rotating shaft is provided with a plurality of accommodating grooves along the axial circumference of the rotating shaft; the limiting beads are embedded between the upper portion of the rotating shaft and the upper portion of the sleeve, the limiting beads can partially penetrate through the through holes and the limiting Kong Wai to be exposed on the side wall of the limiting cap, the connecting assembly can be used for realizing efficient and rapid installation locking and unlocking disassembly, the operation is simple, the reliability is high, and the quick replacement of a vehicle battery can be realized when the connecting assembly is applied to the connection of the battery box body and the automobile chassis.
Description
Technical Field
The utility model relates to the technical field of battery boxes, in particular to a connecting component for assembling a battery box.
Background
The power battery box body is used as one of the most important structural bearing parts in the power battery system, and is required to support the power battery module, the thermal management system, the battery management system and the electric elements to be fixed, bear the weight of the power battery system containing the box body, fix the power battery system on the whole vehicle, resist external impact, and protect the power battery by being matched with the box cover, so that the power battery box has the functions of dust prevention and water prevention, and meets the IP67 protection requirement.
The traditional steel braking force battery box body is connected with the automobile through screws, and the quick change requirement of the automobile battery is not supported.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model provides the connecting component for assembling the battery box body, which can realize efficient and rapid installation, locking, unlocking and disassembly, is simple to operate and high in reliability, and can realize quick replacement of a vehicle battery when being applied to the connection of the battery box body and an automobile chassis.
The technical scheme of the utility model is as follows:
The utility model provides a battery box assembly is with coupling assembling, includes lock public subassembly, lock female spare and locating piece, wherein:
The lock male component comprises a limiting cap, a sleeve, a rotating shaft, a limiting bead and a spring which are coaxially arranged, wherein a plurality of limiting holes are formed in the upper part of the limiting cap along the axial circumference of the limiting cap; the sleeve is internally arranged and fixed in the limiting cap, through holes are formed in the upper part of the sleeve and correspond to the limiting holes, and external threads are arranged on the lower part of the sleeve; the rotating shaft part is inserted into the sleeve, the middle part of the rotating shaft is rotationally connected with the sleeve, the upper part and the lower part of the rotating shaft are both provided with gaps with the inner wall of the sleeve, the upper part of the rotating shaft is circumferentially provided with a plurality of accommodating grooves along the axis of the rotating shaft, and the spring is sleeved on the lower part of the rotating shaft; the limiting beads are embedded between the upper part of the rotating shaft and the upper part of the sleeve, and can partially penetrate through the through holes and the limiting Kong Wai to be exposed on the side wall of the limiting cap;
The locking nut piece is sequentially provided with an internal threaded hole, a rotatable hole and an inverted conical hole from top to bottom, the internal threaded hole can be in threaded connection with external threads at the lower part of the sleeve, the internal diameter of the rotatable hole is larger than the maximum internal diameter of the inverted conical hole, and an internal gear ring is arranged in the inverted conical hole;
The upper part of the positioning block is in an inverted cone shape, the outer wall of the positioning block is provided with an outer toothed ring which can be meshed with the inner toothed ring, the positioning block is provided with a blind hole which can be matched with the rotating shaft, when the inner toothed ring is meshed with the outer toothed ring, the upper positioning block can enable the inner toothed ring to be separated from the outer toothed ring and enter the rotatable hole, and at the moment, the rotating positioning block can drive the rotating shaft to synchronously rotate.
Preferably, the bottom of the rotating shaft is provided with a connecting column coaxial with the rotating shaft, the cross section of the connecting column is in a non-circular pattern, the maximum outer diameter of the non-circular pattern does not exceed the outer diameter of the lower part of the rotating shaft, and the blind hole is matched with the connecting column and has a length larger than that of the connecting column.
Preferably, the difference between the lengths of the cylindrical blind holes and the connecting columns is not smaller than the height of the inner gear ring.
Preferably, the aperture of each limiting hole is smaller than the aperture of the corresponding through hole, the aperture of each limiting hole does not exceed the outer diameter of the limiting bead, and the maximum distance between the accommodating groove and the inner wall of the sleeve is smaller than the outer diameter of the limiting bead.
Preferably, the upper part of the limiting cap is provided with three limiting holes along the axial circumference, the positions of the upper part of the sleeve corresponding to the limiting holes are provided with through holes, the limiting holes respectively correspond to one limiting bead, and the upper part of the rotating shaft is provided with three accommodating grooves along the axial circumference.
Preferably, the width of the accommodating groove is matched with the outer diameter of the limiting bead, the length of the accommodating groove is not smaller than the outer diameter of the limiting bead, and the accommodating groove is an arc-shaped groove.
Preferably, a hexagonal rotating piece coaxial with the outer gear ring is fixedly arranged at the bottom of the positioning block, and the hexagonal rotating piece can be matched with an inner hexagonal wrench.
Preferably, the middle part of the rotating shaft is rotationally connected with the sleeve through a bearing.
The beneficial effects of the utility model are as follows:
When the connecting component for assembling the battery box body is in a locking state, the sleeve of the male locking component is firmly connected with the threads of the female locking component, the inner gear ring is meshed with the outer gear ring, the limiting beads are exposed out of the limiting cap to a large extent, the stability and reliability of connection are ensured, and when the connecting component is required to be disassembled, the locking can be released by only lifting the positioning block and rotating the positioning block by a small extent, so that the assembling and disassembling processes are more efficient and quicker compared with the traditional screw fixing connecting mode, and the connecting component can realize quick replacement of a vehicle battery when being applied to the connection of the battery box body and an automobile chassis.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
Fig. 1 is an exploded view of a connection assembly for assembling a battery case according to the present utility model;
Fig. 2 is a cross-sectional view of the connection assembly for assembling a battery case according to the present utility model;
In the drawing, the device comprises a 111-limit cap, a 1111-limit hole, a 112-sleeve, a 1121-through hole, 1122-external threads, 113-limit beads, 114-rotating shafts, 1141-accommodating grooves, 1142-connecting columns, 115-springs, 12-locking female parts, 121-internal threaded holes, 122-rotatable holes, 123-inverted conical holes, 124-internal gear rings, 13-positioning blocks, 131-external toothed rings, 132-hexagonal rotating parts and 133-blind holes.
Detailed Description
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the application herein.
In the present application, the azimuth or positional relationship indicated by the terms "upper", "lower", "inner", and the like are based on the azimuth or positional relationship shown in the drawings. These terms are only used to better describe the present application and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present application will be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "disposed," "configured," "connected," "secured," and the like are to be construed broadly. For example, "connected" may be in a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
The embodiment provides a connection assembly for assembling a battery box body, the practical application of the connection assembly includes but is not limited to the assembly of the battery box body and an automobile chassis, the connection assembly includes a lock male assembly, a lock female member 12 and a positioning block 13, when the connection assembly is applied to the assembly of the battery box body and the automobile chassis, a plurality of mounting holes for mounting the lock male assembly need to be formed in the battery box body, and the lock female member 12 is fixed on the automobile chassis and corresponds to the mounting holes one by one;
In this embodiment, as shown in fig. 1 to 2, the lock male assembly includes a limiting cap 111, a sleeve 112, a rotating shaft 114, a limiting bead 113 and a spring 115 coaxially arranged, and a plurality of limiting holes 1111 are formed in the upper portion of the limiting cap 111 along the axial circumference thereof; the sleeve 112 is internally arranged and fixed in the limit cap 111, through holes 1121 are formed in the upper part of the sleeve 112 and correspond to the limit holes 1111, and external threads 1122 are formed in the lower part of the sleeve 112; the rotating shaft 114 is partially inserted into the sleeve 112, the middle part of the rotating shaft 114 is rotationally connected with the sleeve 112, the upper part and the lower part of the rotating shaft 114 are both provided with gaps with the inner wall of the sleeve 112, the upper part of the rotating shaft 114 is provided with a plurality of accommodating grooves 1141 along the axial circumference thereof, and the spring 115 is sleeved on the lower part of the rotating shaft 114; the limiting bead 113 is embedded between the upper part of the rotating shaft 114 and the upper part of the sleeve 112, and the limiting bead 113 can partially pass through the through hole 1121 and the limiting hole 1111 to be exposed out of the side wall of the limiting cap 111;
The female locking piece 12 is provided with an internal threaded hole 121, a rotatable hole 122 and an inverted conical hole 123 in sequence from top to bottom, the internal threaded hole 121 can be in threaded connection with an external thread 1122 at the lower part of the sleeve 112, the internal diameter of the rotatable hole 122 is larger than the maximum internal diameter of the inverted conical hole 123, and an internal gear ring 124 is arranged in the inverted conical hole 123;
The upper part of the positioning block 13 is in an inverted cone shape, the outer wall of the positioning block 13 is provided with an outer tooth ring 131 which can be meshed with the inner tooth ring 124, the positioning block 13 is provided with a blind hole 133 which can be matched with the rotating shaft 114, when the inner tooth ring 124 is meshed with the outer tooth ring 131, the upper top positioning block 13 can enable the inner tooth ring 124 to be separated from the outer tooth ring 131 and enter the rotatable hole 122, and at the moment, the rotating positioning block 13 can drive the rotating shaft 114 to synchronously rotate.
When the connecting assembly is in a locking state, the external threads 1122 of the sleeve 112 are in threaded connection with the threaded holes of the lock nut 12, the inner gear ring 124 is meshed with the outer gear ring 131, the limit beads 113 are ejected out from the upper part of the rotating shaft 114 and are exposed out of the limit cap 111 to a large extent, the lock nut 12 is fixed on the chassis of the automobile, the positioning block 13 cannot rotate at this time, the rotating shaft 114 cannot be driven to rotate, the aperture of the upper mounting hole of the battery box is only slightly larger than the outer diameter of the limit cap 111, and therefore, if the battery box is lifted up after the lock nut assembly is mounted in place, the mounting hole is blocked by the limit beads 113 exposed out of the limit cap 111 to a large extent at this time and cannot pass, and the limit of the battery box is realized;
When the assembly of the battery box body and the automobile chassis needs to be released, an operator only needs to push up the positioning block 13, so that the positioning block 13 moves upwards for a distance relative to the rotating shaft 114, the outer toothed ring 131 moves upwards to be separated from the inner toothed ring 124, namely, the rotation limitation of the inner toothed ring 124 on the positioning block 13 is released, at the moment, the positioning block 13 is rotated again, the rotating shaft 114 can be driven to synchronously rotate by the positioning block 13, the accommodating groove 1141 at the upper part of the rotating shaft 114 is gradually aligned with the position of the limiting bead 113, after the alignment, the limiting bead 113 can be partially retracted into the accommodating groove 1141, the part of the limiting bead 113 exposed out of the limiting cap 111 is reduced, the blocking of the mounting hole is released, and at the moment, the battery box body is lifted up to be separated from the automobile chassis;
It should be noted that, the lower portion of the positioning block 13 is exposed from the bottom of the locking female member 12 through the locking female member 12 by the inner gear ring 124 of the locking female member 12, and the upper portion of the positioning block 13 is in an inverted cone shape and has an outer gear ring 131, so that the positioning block 13 cannot pass through the inner gear ring 124, thereby preventing the positioning block 13 from being separated from the bottom of the locking female member 12, and when the locking female member 12 is installed, only the positioning block 13 needs to be placed in the locking female member 12, then the external thread 1122 of the sleeve 112 of the locking male assembly is meshed with the threaded hole thread of the locking female member 12 and screwed to the blind hole 133 of the bottom of the rotating shaft 114 to insert the positioning block 13, i.e. the locking state is achieved, and at this time, the bottom surface of the spring 115 should collide with the top surface of the positioning block 13, so that the positioning block 13 cannot be randomly displaced due to shaking with a vehicle.
Compared with the conventional prior art that the battery box body and the automobile chassis are assembled through bolts, the connecting assembly is more convenient and quick to operate, and the locking can be released only by jacking and slightly rotating the positioning block 13.
Further, in order to enable the positioning block 13 to rotate and drive the rotating shaft 114 to rotate synchronously, a connecting post 1142 coaxial with the rotating shaft 114 is arranged at the bottom of the rotating shaft 114, the cross section of the connecting post 1142 is in a non-circular pattern, including but not limited to triangle, cross, pentagram, etc., and the maximum outer diameter of the non-circular pattern does not exceed the outer diameter of the lower part of the rotating shaft 114 so as not to obstruct the travel of the spring 115; the blind hole 133 mates with the connecting post 1142 and has a length greater than the length of the connecting post 1142 to ensure that the positioning block 13 has an overhead space; the difference between the length of the cylindrical blind hole 133 and the connecting post 1142 is not smaller than the height of the ring gear 124 to ensure that the outer ring gear 131 can be separated from the ring gear 124 after the top is provided, so as to avoid the ring gear 124 from obstructing the rotation of the outer ring gear 131.
Further, the aperture of each limit hole 1111 is smaller than the aperture of the corresponding through hole 1121, and the aperture of each limit hole 1111 does not exceed the outer diameter of the limit bead 113, so as to prevent the limit bead 113 from falling out of the limit hole 1111; the maximum distance between the accommodating groove 1141 and the inner wall of the sleeve 112 is smaller than the outer diameter of the limit bead 113, so as to prevent the limit bead 113 from being driven by the rotating shaft 114 to rotate away from the position of the through hole 1121; the width of the receiving groove 1141 is matched with the outer diameter of the limit bead 113, and the length is not smaller than the outer diameter of the limit bead 113, and the receiving groove 1141 is an arc-shaped groove, so that when the through hole 1121 is aligned with the receiving groove 1141, the limit bead 113 has enough retraction space.
In the present embodiment, three limiting holes 1111 are circumferentially formed in the upper portion of the limiting cap 111 along the axis thereof, through holes 1121 are formed in positions corresponding to the respective limiting holes 1111 in the upper portion of the sleeve 112, each limiting hole 1111 corresponds to one limiting bead 113, and three receiving grooves 1141 are circumferentially formed in the upper portion of the rotating shaft 114 along the axis thereof; through the arrangement, the reliability in a locking state is ensured, and the unlocking can be realized by conveniently pushing up the positioning block 13 and then rotating by a slight angle, so that the locking device is more convenient and quick.
In this embodiment, as shown in fig. 1 to 2, a hexagonal rotating member 132 coaxial with the outer gear ring 131 is fixedly disposed at the bottom of the positioning block 13, and the hexagonal rotating member 132 can be matched with an inner hexagonal wrench, so that an operator can use the inner hexagonal wrench to perform an operation of jacking and rotating the positioning block 13.
In this embodiment, the middle part of the rotating shaft 114 is rotatably connected with the sleeve 112 through a bearing, or the outer diameter of the middle part of the rotating shaft 114 is just matched with the inner diameter of the sleeve 112, it should be noted that the top of the rotating shaft 114 may be in contact with the inner top surface of the limiting cap 111, but the limiting cap 111 cannot limit the rotation of the rotating shaft 114.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (8)
1. The utility model provides a battery box assembly is with coupling assembling which characterized in that: including lock public subassembly, lock female spare and locating piece, wherein:
The lock male component comprises a limiting cap, a sleeve, a rotating shaft, a limiting bead and a spring which are coaxially arranged, wherein a plurality of limiting holes are formed in the upper part of the limiting cap along the axial circumference of the limiting cap; the sleeve is internally arranged and fixed in the limiting cap, through holes are formed in the upper part of the sleeve and correspond to the limiting holes, and external threads are arranged on the lower part of the sleeve; the rotating shaft part is inserted into the sleeve, the middle part of the rotating shaft is rotationally connected with the sleeve, the upper part and the lower part of the rotating shaft are both provided with gaps with the inner wall of the sleeve, the upper part of the rotating shaft is circumferentially provided with a plurality of accommodating grooves along the axis of the rotating shaft, and the spring is sleeved on the lower part of the rotating shaft; the limiting beads are embedded between the upper part of the rotating shaft and the upper part of the sleeve, and can partially penetrate through the through holes and the limiting Kong Wai to be exposed on the side wall of the limiting cap;
The locking nut piece is sequentially provided with an internal threaded hole, a rotatable hole and an inverted conical hole from top to bottom, the internal threaded hole can be in threaded connection with external threads at the lower part of the sleeve, the internal diameter of the rotatable hole is larger than the maximum internal diameter of the inverted conical hole, and an internal gear ring is arranged in the inverted conical hole;
The upper part of the positioning block is in an inverted cone shape, the outer wall of the positioning block is provided with an outer toothed ring which can be meshed with the inner toothed ring, the positioning block is provided with a blind hole which can be matched with the rotating shaft, when the inner toothed ring is meshed with the outer toothed ring, the upper positioning block can enable the inner toothed ring to be separated from the outer toothed ring and enter the rotatable hole, and at the moment, the rotating positioning block can drive the rotating shaft to synchronously rotate.
2. The connection assembly for assembling a battery box according to claim 1, wherein: the bottom of the rotating shaft is provided with a connecting column coaxial with the rotating shaft, the cross section of the connecting column is in a non-circular pattern, the maximum outer diameter of the non-circular pattern does not exceed the outer diameter of the lower part of the rotating shaft, and the blind hole is matched with the connecting column and has a length larger than that of the connecting column.
3. The connection assembly for assembling a battery box according to claim 2, wherein: the difference between the lengths of the blind holes and the connecting columns is not smaller than the height of the inner gear ring.
4. The connection assembly for assembling a battery box according to claim 1, wherein: the aperture of each limiting hole is smaller than the aperture of the corresponding through hole, the aperture of each limiting hole does not exceed the outer diameter of the limiting bead, and the maximum distance between the accommodating groove and the inner wall of the sleeve is smaller than the outer diameter of the limiting bead.
5. The connection assembly for assembling a battery box according to claim 4, wherein: three limiting holes are formed in the upper portion of the limiting cap along the axial circumferential direction of the limiting cap, through holes are formed in positions, corresponding to the limiting holes, of the upper portion of the sleeve, each limiting hole corresponds to one limiting bead, and three containing grooves are formed in the upper portion of the rotating shaft along the axial circumferential direction of the rotating shaft.
6. The connection assembly for assembling a battery box according to claim 1, wherein: the width of the accommodating groove is matched with the outer diameter of the limiting bead, the length of the accommodating groove is not smaller than the outer diameter of the limiting bead, and the accommodating groove is an arc-shaped groove.
7. The connection assembly for assembling a battery box according to claim 1, wherein: the bottom of locating piece is fixed to be provided with the coaxial hexagonal rotating member of external tooth ring, hexagonal rotating member can cooperate with the allen wrench.
8. The connection assembly for assembling a battery box according to claim 1, wherein: the middle part of the rotating shaft is rotationally connected with the sleeve through a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322413414.4U CN220895745U (en) | 2023-09-06 | 2023-09-06 | Connecting assembly for assembling battery box body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322413414.4U CN220895745U (en) | 2023-09-06 | 2023-09-06 | Connecting assembly for assembling battery box body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220895745U true CN220895745U (en) | 2024-05-03 |
Family
ID=90837790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322413414.4U Active CN220895745U (en) | 2023-09-06 | 2023-09-06 | Connecting assembly for assembling battery box body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220895745U (en) |
-
2023
- 2023-09-06 CN CN202322413414.4U patent/CN220895745U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111775762B (en) | Quick locking device for connecting battery box body and vehicle body and electric vehicle | |
| US9656609B2 (en) | Vehicle step apparatus and motor assembly thereof | |
| CN2809983Y (en) | Multi-purpose travel socket | |
| RU2523405C2 (en) | Low-profile wrench | |
| EP2927516B1 (en) | Locking apparatus for a nut | |
| CN220895745U (en) | Connecting assembly for assembling battery box body | |
| CN110725847A (en) | Anti-loosening screw fastener | |
| CN219888417U (en) | Locking part and battery with same | |
| CN214534119U (en) | Limiting installation mechanism of tapered roller bearing | |
| CN117199689A (en) | Quick-change power battery box | |
| CN210234708U (en) | Locking mechanism | |
| CN216730613U (en) | Signal adjusting structure, electric spindle and processing equipment with same | |
| US11279010B2 (en) | Hub holding apparatus | |
| CN104453504A (en) | Positioning hinge | |
| CN210919764U (en) | Anti-loose bolt and nut assembly | |
| CN202702096U (en) | Combined ratchet wrench | |
| CN211543151U (en) | Educational machine people follows driving wheel mounting structure system | |
| CN217440511U (en) | Anti-loosening inner hexagonal countersunk head screw | |
| CN220076035U (en) | A close-fitting formula ring flange for automobile wheel hub unit | |
| CN219473264U (en) | Ball rifle integral type supervisory equipment | |
| CN220600217U (en) | Fastener assembly convenient to disassemble and assemble | |
| CN211306151U (en) | Socket spanner | |
| CN218409484U (en) | Radar revolving stage is used in control | |
| CN109440688B (en) | Telescopic warning road pier that municipal works used | |
| CN221231988U (en) | Portable installation shell for divider |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |