CN111162227B - Battery self-locking mechanism and battery replacing device - Google Patents
Battery self-locking mechanism and battery replacing device Download PDFInfo
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- CN111162227B CN111162227B CN202010256955.9A CN202010256955A CN111162227B CN 111162227 B CN111162227 B CN 111162227B CN 202010256955 A CN202010256955 A CN 202010256955A CN 111162227 B CN111162227 B CN 111162227B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims description 66
- 230000009471 action Effects 0.000 claims description 29
- 238000010276 construction Methods 0.000 abstract description 8
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 7
- 229910001416 lithium ion Inorganic materials 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 230000009351 contact transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B1/00—Devices for securing together, or preventing relative movement between, constructional elements or machine parts
- F16B1/02—Means for securing elements of mechanisms after operation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
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- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention provides a battery self-locking mechanism and a battery replacing device, and relates to the technical field of construction machinery. The battery self-locking mechanism comprises a locking structure, the locking structure comprises a pushing assembly, a first locking member and a second locking member, the pushing assembly is connected with a battery compartment in a sliding mode, the first locking member is installed on the battery compartment, the second locking member is installed on a battery, when the battery is pushed into the battery compartment, the first locking member and the second locking member are in tooth meshing connection to lock the battery and the battery compartment, when the pushing assembly is subjected to external force, the pushing assembly can drive one of the first locking member or the second locking member to swing, so that teeth of the first locking member or the second locking member are separated, the battery and the battery compartment are unlocked, and quick replacement of the battery can be achieved.
Description
Technical Field
The invention relates to the technical field of construction machinery, in particular to a battery self-locking mechanism and a battery replacing device.
Background
With the development of lithium ion battery technology, lithium ion batteries have the advantages of small volume and large storage capacity. In order to make the structure of the existing construction robot more compact, basically, a lithium ion power source is selected as a power source for normal work of the existing construction robot, but the existing construction robot is limited by the technical limit of the charging speed of the lithium ion battery, the charging of the general lithium ion battery consumes several hours, the work of the construction robot is interrupted, the production is blocked, the whole process of the work is influenced, and a certain amount of economic loss is caused. In order to solve the above problems caused by slow charging of the lithium ion battery, a common method is to rapidly change the battery. The charging and replacing power station solves the problem of slow charging of the lithium ion battery through quick replacement of the battery. However, when the battery is replaced, the battery cannot be locked quickly due to the lack of a stable and simple locking structure on the battery compartment of the construction robot, and the stability of battery locking cannot be ensured.
Disclosure of Invention
The invention aims to provide a battery self-locking mechanism which can realize quick locking and unlocking of a battery, improve the replacement speed of the battery and ensure the stability of battery locking.
The invention aims to provide a battery replacing device, which does not need to arrange a battery replacing power source in a battery bin, reduces the weight and the volume of a building robot, and can realize the quick and stable replacing effect of a battery.
In order to achieve the purpose, the invention adopts the following technical scheme:
one aspect of the present invention provides a battery self-locking mechanism, including:
the locking structure comprises a pushing assembly, a first locking member and a second locking member, the pushing assembly is connected with the battery compartment in a sliding mode, the first locking member is installed on the battery compartment, and the second locking member is installed on the battery;
when the battery is pushed into the battery compartment, the first locking member and the second locking member are in tooth-meshing connection so as to lock the battery with the battery compartment;
when the pushing assembly is acted by external force, the pushing assembly can drive one of the first locking member or the second locking member to swing, so that teeth of the first locking member and the second locking member are disengaged, and the battery is unlocked from the battery chamber.
Preferably, the locking structure further comprises:
a locking base mounted on the battery compartment, one end of the first locking member being mounted on the locking base;
the middle of the rocker is hinged to the other end of the first locking piece, the tail end of the rocker is hinged to the battery compartment, the head end of the rocker is connected with the pushing assembly, and the pushing assembly can drive the head end of the rocker to swing towards the direction far away from the battery compartment.
Preferably, the pushing assembly comprises:
the pushing rod is connected with the locking base in a sliding mode;
the pushing block is arranged at one end of the pushing rod, the side surface of the pushing block, which is opposite to the head end of the rocker, is an inclined surface, and the inclined surface inclines towards the direction close to the battery compartment from one end close to the pushing rod to one end far away from the pushing rod;
when the push rod is acted by external force, the head end of the rocker can slide along the inclined plane.
Preferably, the width of the pushing block in the moving direction of the battery is larger than the sum of the widths of the teeth of the second locker.
Preferably, a sliding groove is formed in the locking base, the pushing assembly further comprises a reset elastic piece, the reset elastic piece is arranged in the sliding groove, one end of the reset elastic piece is connected with one end, far away from the pushing rod, of the pushing block, the other end of the reset elastic piece is connected with the locking base, and the reset elastic piece is used for driving the pushing rod to reset.
In another aspect, the invention provides a battery replacing apparatus, which includes the above battery self-locking mechanism; and
a bracket on which a driving assembly is mounted;
the sliding frame is slidably mounted on the bracket and is connected with the output end of the driving assembly, and the driving assembly can drive the sliding frame to translate;
an unlocking structure mounted on the carriage for abutting the push assembly.
Preferably, the unlocking structure includes:
an unlocking base mounted on the carriage;
and the elastic component is arranged on the unlocking base and is in transmission connection with the locking structure, and the elastic component can drive the pushing component to move.
Preferably, the elastic member comprises:
an unlocking elastic member, one end of which is mounted on the unlocking base;
the unlocking push plate is arranged at the other end of the unlocking elastic piece and used for pushing the pushing assembly to move;
and one end of the limiting part structure is connected with the unlocking push plate, and the other end of the limiting part structure is connected with the unlocking base in a sliding manner.
Preferably, the battery replacing device further comprises a battery hooking device mounted on the carriage for hooking the battery.
Preferably, the battery hooking device includes:
the steering transmission structure comprises a transmission assembly and an action assembly, the transmission assembly is arranged on the sliding frame, and the action assembly is arranged on the bracket;
the steering structure is arranged on the sliding frame and is in transmission connection with the transmission assembly;
the hook is arranged at the output end of the steering structure and used for hooking a hook handle on the battery;
when the transmission assembly translates to the two opposite end parts of the bracket and is abutted to the action assembly, the transmission assembly can drive the steering structure to rotate so as to drive the hook to swing and be hooked or loosened with the hook handle.
Preferably, the battery replacing device further comprises a push hook structure, and the push hook structure is mounted on the sliding frame and used for pushing the battery to enter the battery compartment.
Preferably, the push hook structure includes:
a push hook drive assembly mounted on the carriage;
the push hook driving assembly can drive the push hook to swing so as to enable the push hook to swing to or move away from the push-pull action surface of the battery, and the distance between the push hook and the battery bin is smaller than the distance between the hook and the battery bin along the moving direction of the battery.
The invention has the beneficial effects that:
the invention provides a battery self-locking mechanism which comprises a locking structure, wherein the locking structure comprises a pushing assembly, a first locking member and a second locking member, the pushing assembly is connected with a battery compartment in a sliding mode, the first locking member is installed on the battery compartment, the second locking member is installed on a battery, when the battery is pushed into the battery compartment, teeth of the first locking member and teeth of the second locking member are meshed and connected to lock the battery and the battery compartment, when the pushing assembly is acted by external force, the pushing assembly can drive one of the first locking member or the second locking member to swing, so that the teeth of the first locking member are separated from the teeth of the second locking member, the automatic locking and unlocking of the battery are achieved, and the battery replacement efficiency is improved.
The battery replacing device provided by the invention comprises the unlocking structure and the battery self-locking mechanism, can realize automatic locking and unlocking of the battery through one driving piece, namely one driving source, has a simple structure, saves a power source, and can improve the battery replacing efficiency.
Drawings
FIG. 1 is a schematic perspective view of a battery changer according to an embodiment of the present invention;
FIG. 2 is an enlarged view at C of FIG. 1;
FIG. 3 is a perspective view of a locking structure provided in accordance with an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a locking structure provided by an embodiment of the present invention;
fig. 5 is a perspective structural view of an unlocking structure provided in the embodiment of the present invention;
FIG. 6 is a cross-sectional view of an unlocking mechanism provided in accordance with an embodiment of the present invention;
fig. 7 is a state diagram of a battery hooking device according to an embodiment of the present invention before hooking a battery;
fig. 8 is a state diagram of a battery hooking device according to an embodiment of the present invention when hooking a battery;
FIG. 9 is an exploded view of a battery hook device provided in accordance with an embodiment of the present invention;
FIG. 10 is a diagram illustrating a battery replacing device according to an embodiment of the present invention after pushing a battery into a battery compartment;
fig. 11 is a state diagram of a battery hooking device according to an embodiment of the present invention when hooking a battery, i.e., unlocking the battery.
In the figure:
10. a carriage; 11. a drive assembly; 111. a drive member; 112. a pulley assembly; 113. a screw-nut pair; 114. a transmission seat; 115. a fixed seat; 12. a transmission assembly; 121. a collision shaft sleeve; 1211. a first kidney-shaped hole; 122. knocking the shaft; 123. sliding blades; 124. a guide bar; 13. a steering structure; 131. a cam shaft sleeve; 1311. a second kidney-shaped hole; 132. a cylindrical cam; 1321. a curved groove; 133. a bearing; 14. a battery compartment; 15. a battery; 151. a hook handle; 16. hooking; 171. a first acting member; 172. a second acting member; 18. a support; 19. a slide rail assembly;
2. a push hook structure; 21. a push hook drive assembly; 22. pushing a hook;
3. an unlocking structure; 31. an unlocking base; 311. limiting waist-shaped holes; 32. a guide strip; 33. a guide block; 34. unlocking the elastic piece; 35. unlocking the push plate;
4. a locking structure; 41. a locking base; 421. a stress block; 422. a pushing block; 423. a bevel; 424. a push rod; 43. a restoring elastic member; 44. a rocker; 441. the tail end of the rocker; 442. the head end of the rocker; 45. the supporting seat is hinged; 46. a first locking member; 47. a second locking member; 48. a hinge assembly.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Referring to fig. 1-4, in one aspect, the present invention provides a battery self-locking mechanism, which includes a locking structure 4. The locking structure 4 comprises a pushing assembly, a first locking member 46 and a second locking member 47, wherein the pushing assembly is slidably connected with the battery compartment 14, the first locking member 46 is installed on the battery compartment 14, the second locking member 47 is installed on the battery 15, when the battery 15 is pushed into the battery compartment 14, the first locking member 46 and the second locking member 47 are in tooth meshing connection to lock the battery 15 with the battery compartment 14, when the pushing assembly is subjected to external force, the pushing assembly can drive the first locking member 46 to swing, so that teeth of the first locking member 46 are disengaged from teeth of the second locking member 47 to unlock the battery 15 with the battery compartment 14, and automatic locking and automatic unlocking of the battery 15 are realized.
Of course, in other embodiments, when unlocking the battery 15, the pushing assembly can drive the second locking member 47 to swing, so that the teeth of the second locking member 47 are disengaged from the teeth of the first locking member 46, and the battery 15 can also be unlocked from the battery compartment 14.
Referring to fig. 1-4, the locking structure 4 preferably further includes a locking base 41 and a rocker 44. The lock base 41 is mounted on the battery compartment 14, and one end of the first locking member 46 is mounted on the lock base 41. The middle part of the rocker 44 is hinged with the other end of the first locking member 46, the rocker end 441 of the rocker 44 is hinged with the battery chamber 14, the rocker head end 442 of the rocker 44 is in contact transmission connection with a pushing assembly, and the pushing assembly can drive the rocker head end 442 to swing away from the battery chamber 14. Specifically, the pushing assembly applies a force to the rocker head end 442 of the rocker 44, so that the rocker head end 442 swings in a direction away from the battery compartment 14 with the hinged position of the rocker end 441 and the battery compartment 14 as a supporting point, thereby moving the first locking member 46 hinged to the middle of the rocker 44 in a direction away from the second locking member 47 until the teeth of the first locking member 46 are separated from the teeth of the second locking member 47, and unlocking the battery 15 from the battery compartment 14.
Preferably, in this embodiment, in order to ensure that the first locking member 46 and the second locking member 47 can be automatically in the tooth engagement state when the rocking bar 44 does not swing, the first locking member 46 and the second locking member 47 are both provided as elastic pieces, and the elastic force of the elastic pieces themselves is utilized, so that the first locking member 46 and the second locking member 47 can be automatically locked.
Preferably, the pushing assembly includes a pushing rod 424 and a pushing block 422. The push rod 424 is connected with the locking base 41 in a sliding mode, one end of the push rod 424 is connected with the output end of the unlocking structure 3, and the unlocking structure 3 can push the push rod 424 to translate. The pushing block 422 is installed at the other end of the pushing rod 424, the side of the pushing block 422 opposite to the head end 442 of the rocking rod is an inclined surface 423, the inclined surface 423 inclines from one end close to the pushing rod 424 to one end far away from the pushing rod 424 to the direction close to the battery compartment 14, and the head end 442 of the rocking rod can slide along the inclined surface 423.
Specifically, when an external force acts on the push rod 424, the push rod 424 moves, the push block 422 acts on the rocker head end 442, and during the sliding process of the rocker head end 442 along the inclined surface 423, the rocker head end 442 swings in a direction away from the battery compartment 14, and the middle portion of the rocker 44 drives the first locking member 46 to move in a direction away from the second locking member 47, so that the teeth of the first locking member 46 are separated from the teeth of the second locking member 47.
To facilitate the mounting of the rocker 44, the locking structure 4 in this embodiment preferably further comprises a hinge support 45 and a hinge assembly 48. Specifically, the hinge support 45 is mounted on the battery compartment 14, and the rocker end 441 is hinged to the hinge support 45. The rocker 44 is hinged at its middle to the first locking member 46 by a hinge assembly 48.
To ensure that the locking structure 4 is always in the unlocked state when unlocking the battery 15, it is preferable that, in the present embodiment, the width e of the push block 422 is larger than the sum of the widths of the teeth of the second lock member 47 in the moving direction of the battery 15, and assuming that the width of one tooth of the second lock member 47 is f, if n teeth are provided to the second lock member 47, e > n × f. when the tooth of the first lock member 46 leaves the tooth of the second lock member 47, the battery 15 is pulled out of the battery compartment 14, and the width e of the push block 422 is larger than the sum of the widths of the teeth of the second lock member 47, so that the tooth of the second lock member 47 can stably pass over the tooth of the first lock member 46 when the battery 15 is pulled out of the battery compartment 14, ensuring the unlocking effect.
Preferably, a sliding groove is formed in the locking base 41, the pushing assembly further comprises a restoring elastic member 43, the restoring elastic member 43 is arranged in the sliding groove, one end of the restoring elastic member 43 is connected with one end of the pushing block 422 far away from the pushing rod 424, and the other end is connected with the locking base 41. Specifically, when the pushing block 422 acts on the rocker head end 442, the pushing block 422 simultaneously extrudes the elastic restoring member 43, the elastic restoring member 43 is stressed to contract, after the unlocking push plate 35 of the unlocking structure 3 is moved away from the pushing rod 424, the pushing block 422 no longer receives the acting force of the unlocking push plate 35 and is restored under the restoring force of the elastic restoring member 43, and the rocker head end 442 no longer receives the acting force of the pushing block 422, so that the first locking member 46 can be automatically restored to drive the rocker head end 442 to be restored.
Preferably, in this embodiment, the return elastic member 43 and the unlocking elastic member 34 are both springs, which are simple in structure and convenient to use. In other embodiments, the elastic return element 43 and the elastic unlocking element 34 may be made of silicone or rubber.
In order to facilitate the external force acting on the pushing rod 424, in this embodiment, preferably, the locking structure 4 further includes a force receiving block 421, the force receiving block 421 is installed at one end of the pushing rod 424, which is far away from the pushing block 422, and when the battery 15 is unlocked, the external force can act on the force receiving block 421 with a larger area, so as to ensure that the unlocking push plate 35 can stably act on the pushing rod 424.
Preferably, referring to fig. 1, fig. 2, fig. 7, fig. 8, fig. 9 and fig. 10, in another aspect, the present invention provides a battery replacing apparatus, which includes the above-mentioned battery self-locking mechanism, the bracket 18, the carriage 10 and the unlocking structure 3. The driving assembly 11 is mounted on the bracket 18. The carriage 10 is slidably mounted on a support 18 and is connected to an output of a drive assembly 11 capable of driving the carriage 10 in translation. The unlocking structure 3 is mounted on the carriage 10 for abutment against the pushing assembly. That is, when the driving assembly 11 drives the carriage 10 to translate, the unlocking structure 3 installed on the carriage 10 acts on the pushing assembly, so that the pushing assembly swings to a preset swing amplitude after being pushed by an external force, teeth of the first locking member 46 can be separated from teeth of the second locking member 47, and unlocking of the locking structure 4 is achieved.
Preferably, referring to fig. 1, 2, 5 and 6, the unlocking structure 3 includes an unlocking base 31 and an elastic member. The unlocking base 31 is installed at the output end of the driving assembly 11. An elastic member is mounted on the unlocking base 31 and is in driving connection with the locking structure 4, and the elastic member can drive the first locking member 46 to swing so that the teeth of the first locking member 46 are disengaged from the teeth of the second locking member 47 to unlock the battery 15 from the battery compartment 14.
Preferably, the elastic assembly includes an unlocking elastic member 34, an unlocking push plate 35 and a stopper structure. One end of the unlocking spring 34 is mounted on the unlocking base 31. An unlocking push plate 35 is provided at the other end of the unlocking elastic member 34 for urging the first locking member 46 to swing. One end of the limiting member structure is connected with the unlocking push plate 35, and the other end of the limiting member structure is connected with the unlocking base 31 in a sliding manner. Specifically, when the driving assembly 11 drives the unlocking base 31 to translate to the locking structure 4, the unlocking push plate 35 abuts against the locking structure 4, the unlocking elastic member 34 is compressed and exerts elastic force on the first locking member 46 of the locking structure 4, so that the first locking member 46 swings and is separated from the teeth of the second locking member 47, and the battery 15 is unlocked from the battery compartment 14. In the compression process of the unlocking elastic piece 34, the limit structure can limit the compression degree of the unlocking elastic piece 34 so as to control the acting force of the unlocking elastic piece 34 on the locking structure 4 and avoid the damage of the locking structure 4 caused by the overlarge acting force.
Specifically, the limiting part structure comprises a guide strip 32, a guide block 33 and a limiting waist-shaped hole 311 formed in the unlocking base 31, one end of the guide strip 32 is connected with the unlocking push plate 35, the guide block 33 is installed at the other end of the guide strip, the guide block 33 can slide along the limiting waist-shaped hole 311 in the unlocking base 31, the guide strip 32 is guided through the limiting waist-shaped hole 311, the moving distance of the guide strip 32 is limited, and therefore the moving distance of the unlocking push plate 35 is limited.
Preferably, the battery replacing device further includes a battery hooking means mounted on the carriage 10 for hooking the battery. When the driving assembly 11 drives the carriage 10 to move away from the battery compartment 14, the battery hooking device can pull the battery 15 out of the battery compartment 14.
Preferably, fig. 7, 8, 9 and 10, the battery hooking means comprises a steering transmission structure, a steering structure 13 and a hook 16. The driving assembly 11 includes a driving member 111, and the driving member 111 is mounted on the bracket 18 and can drive the carriage 10 to slide along the bracket 18. The steering transmission structure comprises a transmission assembly 12 and an action assembly, wherein the transmission assembly 12 is arranged on the carriage 10, and the action assembly is arranged at two opposite ends of a bracket 18. The steering structure 13 is mounted on the carriage 10 and is drivingly connected to the drive assembly 12. A hook 16 is mounted at the output end of the steering structure 13 for hooking a shank 151 of a battery 15 mounted in the battery compartment 14. When the carriage 10 drives the transmission assembly 12 and the steering structure 13 to translate to the two opposite ends of the support 18, the action assembly reacts on the transmission assembly 12, the transmission assembly 12 drives the steering structure 13 to operate, and the steering structure 13 drives the hook 16 to swing so as to be hooked with or released from the hook handle 151.
Specifically, when the battery 15 is hooked, the driving member 111 drives the sliding frame 10 to drive the steering structure 13 to translate to the starting end of the support 18 (i.e. to be close to one end of the battery bin 14), the action component reacts on the transmission component 12, the transmission component 12 drives the steering structure 13 to rotate so as to drive the hook 16 to swing and be hooked with the hook handle 151, then the driving member 111 drives the sliding frame 10 to drive the steering structure 13 to translate to the tail end of the support 18 (i.e. to be away from one end of the battery bin 14), then, the action component reacts on the transmission component 12, the transmission component 12 drives the steering structure 13 to reversely run so as to enable the hook 16 to swing and reset, the hook 16 is released from the hook handle 151, so that the hook 16 is separated from the battery 15. Through setting up and turning to the transmission structure, driving piece 111 can enough realize the translation to turning to structure 13, can make again to turn to structure 13 operation to drive couple 16 swings, can simplify the structure that the battery hooked the device.
Preferably, to simplify the construction of the action assembly, the action assembly includes a first action member 171 and a second action member 172, the first action member 171 being mounted at an end of the bracket 18 adjacent to the battery compartment 14, and the second action member 172 being mounted at an end of the bracket 18 remote from the battery compartment 14. Of course, in other embodiments, the active component may be an integrally formed structure.
Preferably, referring to fig. 7-9, the transmission assembly 12 includes a striker sleeve 121, a striker shaft 122, and a guide assembly. The striker sleeve 121 is installed at an output end of the driving member 111, the driving member 111 can drive the striker sleeve 121 to translate, a first waist-shaped hole 1211 is formed in the striker sleeve 121, and the first waist-shaped hole 1211 extends in the horizontal direction. The striker shaft 122 extends in the horizontal direction and is slidably inserted into the striker sleeve 121, the striker shaft 122 can abut against the action assembly and slide with respect to the striker sleeve 121, one end of the striker shaft 122 is provided corresponding to the first action member 171, and the other end is provided corresponding to the second action member 172. The guiding component is mounted on the striking shaft 122, and the striking shaft 122 can drive the guiding component to slide along the first waist-shaped hole 1211 and is in transmission connection with the steering structure 13 so as to drive the steering structure 13 to rotate. When the transmission assembly 12 moves to the first acting element 171 and abuts against the first acting element 171, the first acting element 171 drives the collision shaft 122 to slide in a direction away from the first acting element 171 relative to the collision shaft sleeve 121, so as to drive the guide assembly to move in a direction away from the first acting element 171, and the guide assembly drives the steering structure 13 to rotate in a forward direction (i.e., in a direction indicated by an arrow a in fig. 8), so as to drive the hook 16 to be hooked with the hook handle 151; when the transmission assembly 12 moves to the second acting element 172 and abuts against the second acting element 172, the second acting element drives the collision shaft 122 to slide relative to the collision shaft sleeve 121 in a direction away from the second acting element 172, so as to drive the guide assembly to move in a direction away from the second acting element 172, and the guide assembly drives the steering structure 13 to rotate in a reverse direction (i.e., in a direction indicated by an arrow B in fig. 8), so as to drive the hook 16 to release from the hook handle 151.
In order to avoid the rigid collision when the transmission assembly 12 contacts the first acting element 171 or the second acting element 172, which may damage the transmission assembly 12, the first acting element 171, and the second acting element 172, it is preferable that rubber sheets are disposed on the side where the first acting element 171 contacts the transmission assembly 12 and the side where the second acting element 172 contacts the transmission assembly 12, and the rubber sheets have elasticity to buffer the transmission assembly 12, so as to protect the transmission assembly 12, the first acting element 171, and the second acting element 172.
Preferably, the steering mechanism 13 includes a cam sleeve 131 and a cylindrical cam 132. The cam sleeve 131 is mounted at the output end of the driver 111, and the driver 111 can drive the cam sleeve 131 to translate. The cylindrical cam 132 extends in the horizontal direction and penetrates through the cam shaft sleeve 131, the cylindrical cam 132 is rotatably connected with the cam shaft sleeve 131, one end of the cylindrical cam 132 is connected with the hook 16, and the transmission assembly 12 can drive the cylindrical cam 132 to rotate relative to the cam shaft sleeve 131. When the driving member 111 drives the cam shaft sleeve 131 to translate, the cylindrical cam 132 rotationally connected with the cam shaft sleeve 131 can be driven to synchronously move, so that the hook 16 connected to one end of the cylindrical cam 132 is driven to translate; when the guide assembly drives the cylindrical cam 132 to rotate relative to the cam shaft sleeve 131, the cylindrical cam 132 drives the hook 16 to swing, and the movement of the transmission assembly 12 and the movement of the guide assembly relative to the collision shaft sleeve 121 are also realized by the driving of the driving member 111, that is, the power source for driving the hook 16 to swing is also the driving member 111. In summary, the driving member 111 is a driving source for translating the hook 16 and a driving source for swinging the hook 16.
Preferably, the cam sleeve 131 is provided with a second waist-shaped hole 1311, the second waist-shaped hole 1311 extends along the horizontal direction, the curved groove 1321 on the cylindrical cam 132 extends along the horizontal direction, and one end of the guide assembly, which extends out of the first waist-shaped hole 1211, is inserted into the curved groove 1321 and can slide along the curved groove 1321. Since the cylindrical cam 132 is rotatably coupled to the cam sleeve 131, as the guide assembly translates relative to the cam sleeve 131, the guide assembly slides along the curved slot 1321, thereby causing the cylindrical cam 132 to rotate relative to the cam sleeve 131.
Preferably, the steering mechanism 13 further includes a bearing 133, and the cylindrical cam 132 is mounted on the cam sleeve 131 through the bearing 133. The bearing 133 is provided to facilitate the rotation of the cylindrical cam 132 and protect the cylindrical cam 132.
Preferably, the guide assembly includes a slide 123 and a guide rod 124. One end of the slide piece 123 is connected to the striker 122, and the other end thereof protrudes from the first kidney-shaped hole 1211, and the slide piece 123 is capable of sliding along the first kidney-shaped hole 1211. One end of the guide rod 124 is fixed to one end of the slide 123 extending out of the first kidney-shaped hole 1211, and the other end is inserted into the curved groove 1321 and can slide along the curved groove 1321. Because one end of the guide rod 124 will generate friction when sliding along the curved groove 1321, and the guide rod 124 will be worn inevitably due to long-term sliding, in this embodiment, the guide assembly is divided into two parts, namely a sliding piece 123 and the guide rod 124, the guide rod 124 is fixed on the sliding piece 123 through a screw, and when the guide rod 124 is worn, the guide rod 124 can be replaced.
Preferably, the battery hooking device further comprises a fixing seat 115, the fixing seat 115 is installed at the output end of the driving part 111, the driving part 111 can drive the fixing seat 115 to translate, and the transmission assembly 12 and the steering structure 13 are both installed on the fixing seat 115. Through setting up fixing base 115 for driving piece 111 can drive transmission assembly 12 and turn to structure 13 in step, makes the structure of battery hook device more compact.
Preferably, the drive assembly 11 further comprises a first transmission mechanism and a second transmission mechanism. The first transmission mechanism is mounted on the side of the bracket 18 in the vertical direction, and the first transmission mechanism is mounted on the output end of the driving member 111. The second transmission mechanism is installed on the bracket 18 along the horizontal direction, the second transmission mechanism is installed at the output end of the first transmission mechanism, and the fixed seat 115 is installed at the output end of the second transmission mechanism. During operation, the driving member 111 drives the first transmission mechanism to operate, and the first transmission mechanism drives the second transmission mechanism to operate, so as to drive the fixing base 115 to translate. Through the arrangement of the first transmission mechanism, the driving part 111 can be arranged at the bottom of the bracket 18, so that the structure of the driving assembly 11 is more compact, and the structure of the battery hooking device is simplified.
Illustratively, the second transmission mechanism includes a lead screw nut pair 113 and a transmission seat 114, and the fixed seat 115 is fixed on a nut of the lead screw nut pair 113 through the transmission seat 114. Wherein, the transmission seat 114 is installed at the output end of the screw nut pair 113, the screw nut pair 113 extends along the horizontal direction, the driving part 111 is a motor, the motor drives the screw nut pair 113 to move, and the transmission seat 114 translates to drive the fixing seat 115 to translate. The first transmission mechanism is provided as a pulley assembly 112, and the pulley assembly 112 is disposed on the side of the bracket 18 in the vertical direction.
Of course, in other embodiments, the second transmission mechanism may also be a rack and pinion assembly as long as the screw-nut pair 113 can be driven to operate.
For making the battery hooking device when hooking the battery 15, the battery 15 can receive even pulling force, preferably, in this embodiment, the battery hooking device is set as two sets, and the two sets of battery hooking devices are set oppositely and at intervals, so that the battery 15 can receive even pulling force, and the stability of the battery 15 when moving is ensured.
Preferably, the battery replacing device further comprises a push hook structure 2, the push hook structure 2 is mounted on the carriage 10, and when the driving member 111 drives the carriage 10 to move in a direction close to the battery compartment 14, the carriage 10 can drive the push hook structure 2 to translate so as to push the battery 15 into the battery compartment 14.
Referring to fig. 10 and 11, the push hook structure 2 preferably includes a push hook driving assembly 21 and a push hook 22. The push hook drive assembly 21 is mounted on the carriage 10. The push hook 22 is installed at the output end of the push hook driving assembly 21, the push hook driving assembly 21 can drive the push hook 22 to swing, so that the push hook 22 swings to the push-pull action surface of the battery 15 or moves away from the push-pull action surface of the battery 15, and the distance between the push hook 22 and the battery compartment 14 is smaller than the distance between the hook 16 and the battery compartment 14 along the moving direction of the battery 15. When the push hook 22 swings to the push-pull action surface of the battery 15, the push hook 22 can contact the battery 15 and push the battery 15 to move into the battery compartment 14, and when the push hook 22 contacts the battery 15, the hook 16 cannot be hooked with the hook handle 151 of the battery 15, so that when the carriage 10 moves in a direction away from the battery compartment 14, the hook 16 cannot pull the battery 15 out of the battery compartment 14 by being hooked with the hook handle 151. When the push hook 22 is removed from the push-pull action surface of the battery 15, the push hook 22 cannot act on the battery 15, so that the battery hooking device can smoothly hook the battery 15, and the battery hooking device is prevented from interfering with the battery hooking device.
Preferably, the push hook driving assembly 21 is a motor, and the motor drives the push hook 22 to swing through a speed reducer, so that the structure is simple and the application is easy.
In order to enable the push hook structure 2 to uniformly apply a pushing force to the battery 15, preferably, in the present embodiment, the push hook structures 2 are arranged in two groups, and the two groups of push hook structures 2 are arranged oppositely and at intervals, so that the push-pull action surface of the battery 15 can receive a balanced pushing force, thereby pushing the battery 15 to stably enter the battery compartment 14.
Preferably, in this embodiment, the battery hooking device, the push hook structure 2, and the unlocking structure 3 are all installed on the carriage 10, and when the driving assembly 11 drives the carriage 10 to move, the battery hooking device, the push hook structure 2, and the unlocking structure 3 can be simultaneously driven to move, so that the driving assembly 11 can simultaneously drive the battery hooking device, the push hook structure 2, and the unlocking structure 3 to move, thereby saving a power source and simplifying the structure.
To limit the moving direction of the carriage 10, preferably, in the present embodiment, the battery replacing device further includes a slide rail assembly 19, and the slide rail assembly 19 is mounted on the bracket 18 and extends along the pushing and pulling direction of the battery 15. The slide rail assemblies 19 are arranged into two groups, the two groups of slide rail assemblies 19 are arranged oppositely and at intervals, each slide rail assembly 19 comprises a slide rail and a slide block, each slide block can slide along the corresponding slide rail, the sliding frame 10 is fixed on each slide block, when the driving assembly 11 drives the sliding frame 10 to move, the slide rail assemblies 19 can limit the moving direction of the sliding frame 10, and the stability of the sliding frame 10 in moving is guaranteed.
The following describes the procedure of unlocking the battery 15 and hooking the battery 15 by the battery replacement device provided in the present embodiment:
when the battery 15 is taken out of the battery compartment 14, the driving assembly 11 drives the carriage 10 to move, so that the fixed seat 115 moves towards the direction close to the battery compartment 14, when the transmission assembly 12 moves to the first acting member 171, the first acting member 171 reacts against the collision shaft 122, and the striker sleeve 121 continues to translate in the direction of approaching the first acting element 171 under the driving of the driving assembly 11, the striker shaft 122 slides along the first kidney-shaped aperture 1211, and moving from the end of the first waist-shaped hole 1211 close to the battery compartment 14 to the end of the first waist-shaped hole 1211 away from the battery compartment 14, the striking shaft 122 drives the sliding piece 123 to move in the direction away from the battery compartment 14, the guide rod 124 moves along with the sliding piece 123, the guide rod 124 slides in the curved groove 1321 in the direction away from the battery compartment 14, and drives the cylindrical cam 132 to rotate in the first direction (i.e., the direction indicated by the arrow a in fig. 8), so as to drive the hook 16 to swing to the position hooked with the hook handle 151.
When the transmission assembly 12 moves to the first acting member 171, the driving assembly 11 simultaneously drives the unlocking structure 3 to move to the locking structure 4, and the unlocking push plate 35 acts on the force-bearing block 421 of the locking structure 4, so that the push rod 424 drives the push block 422 to move towards one end close to the rocker 44, the rocker head end 442 of the rocker 44 slides along the inclined plane 423 of the push block 422, the middle part of the rocker 44 drives the first locking member 46 to move away from the second locking member 47 until the teeth of the first locking member 46 leave the teeth of the second locking member 47, and the battery 15 is unlocked, as shown in fig. 10.
Then, the driving assembly 11 drives the fixing base 115 to move away from the battery compartment 14 to take out the battery 15 from the battery compartment 14, the driving assembly 11 simultaneously drives the unlocking structure 3 to move away from the battery compartment 14, the unlocking structure 3 leaves the locking structure 4, the pushing rod 424 of the locking structure 4 is no longer stressed and is reset under the elastic force of the reset elastic member 43, i.e. the pushing rod 424 moves away from the rocker 44, the pushing block 422 no longer exerts a force on the rocker head end 442, i.e. the first locking member 46 can reset under its own restoring force, and at the same time, the rocker 44 is reset, then, the driving assembly 11 continues to drive the fixing base 115 to move away from the battery compartment 14, when the transmission assembly 12 translates to the second acting member 172 in a direction away from the battery compartment 14, the second acting member 172 acts against the collision shaft 122, and the collision shaft sleeve 121 continues to translate in a direction away from the battery compartment 14 under the driving of the driving assembly 11, the striking shaft 122 slides along the first waist-shaped hole 1211 and moves from the end of the first waist-shaped hole 1211 far away from the battery compartment 14 to the end of the first waist-shaped hole 1211 close to the battery compartment 14, the striking shaft 122 drives the sliding piece 123 to move towards the direction close to the battery compartment 14, the guide rod 124 follows the sliding piece 123, the guide rod 124 slides in the curved groove 1321 towards the direction close to the battery compartment 14 and drives the cylindrical cam 132 to rotate towards the second direction (i.e. the direction indicated by the arrow B in fig. 8), so that the hook 16 is driven to swing to the position where the hook handle 151 is released, and the hooking of the battery 15 is completed.
The process of pushing the battery 15 into the battery compartment 14 and locking the battery by the battery replacing device provided in the present embodiment is described in detail below:
when the battery 15 is pushed into the battery compartment 14, the push hook driving assembly 21 drives the push hook 22 to swing to the push-pull action surface of the battery 15. Then, the driving assembly 11 drives the carriage 10 to move, so that the push hook structure 2 moves towards the direction close to the battery compartment 14, and the push hook 22 acts on the push acting surface of the battery 15 and pushes the battery 15 into the battery compartment 14. When the battery 15 enters the battery compartment 14, the second locking member 47 mounted on the battery 15 is pressed to slide along the first locking member 46, when the battery 15 is located in the battery compartment 14, the teeth of the first locking member 46 are engaged with the teeth of the second locking member 47 to lock the battery 15 in the battery compartment 14, and the collision shaft 122 is located at a minimum distance d from the second acting member 172 toward the end surface of the second acting member 172, as shown in fig. 11, so that when unlocking is performed, the driving assembly 11 can continue to drive the collision shaft 122 to move toward the first acting member 171, thereby swinging the hook 16 to engage with the hook handle 151, and simultaneously, the unlocking structure 3 can continue to move toward the locking structure 4 to act on the locking structure 4 to unlock the battery 15.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A battery self-locking mechanism, comprising:
the locking structure (4) comprises a pushing assembly, a first locking member (46) and a second locking member (47), the pushing assembly is connected with the battery compartment (14) in a sliding mode, the first locking member (46) is installed on the battery compartment (14), and the second locking member (47) is installed on the battery (15);
when the battery (15) is pushed into the battery chamber (14), the first locking piece (46) and the second locking piece (47) are in tooth meshing connection so as to lock the battery (15) and the battery chamber (14);
when the pushing assembly is acted by external force, the pushing assembly can drive one of the first locking member (46) or the second locking member (47) to swing, so that teeth of the first locking member and the second locking member are disengaged, and the battery (15) is unlocked from the battery compartment (14);
the locking structure (4) further comprises:
a lock base (41) mounted on the battery compartment (14), one end of the first lock member (46) being mounted on the lock base (41);
a rocker (44), the middle part of which is hinged with the other end of the first locking member (46), the rocker end (441) of the rocker (44) is hinged with the battery compartment (14), and the rocker head end (442) of the rocker (44) is connected with the pushing assembly, and the pushing assembly can drive the rocker head end (442) to swing in a direction away from the battery compartment (14);
the push assembly includes:
a push rod (424) slidably connected to the lock base (41);
the pushing block (422) is installed at one end of the pushing rod (424), the side surface, opposite to the head end (442) of the rocker, of the pushing block (422) is an inclined surface (423), and the inclined surface (423) inclines towards the direction close to the battery compartment (14) from one end close to the pushing rod (424) to one end far away from the pushing rod (424);
when the push rod (424) is acted by external force, the head end (442) of the rocker can slide along the inclined surface (423).
2. The battery self-locking mechanism according to claim 1, characterized in that the width of the pushing block (422) is greater than the sum of the widths of the teeth of the second locking member (47) in the moving direction of the battery (15).
3. The battery self-locking mechanism according to claim 1, wherein a sliding groove is formed in the locking base (41), the pushing assembly further comprises a return elastic member (43), the return elastic member (43) is arranged in the sliding groove, one end of the return elastic member (43) is connected with one end of the pushing block (422) far away from the pushing rod (424), the other end of the return elastic member is connected with the locking base (41), and the return elastic member (43) is used for driving the pushing rod (424) to return.
4. A battery exchange device, comprising the battery self-locking mechanism according to any one of claims 1 to 3; and
a bracket (18) on which a drive assembly (11) is mounted;
a carriage (10) slidably mounted on the support (18) and connected to an output of the drive assembly (11), the drive assembly (11) being capable of driving the carriage (10) in translation;
an unlocking structure (3) mounted on the carriage (10) for abutting against the pushing assembly.
5. The battery changing apparatus according to claim 4, wherein the unlocking structure (3) comprises:
an unlocking base (31) mounted on the carriage (10);
the elastic component is arranged on the unlocking base (31) and is in transmission connection with the locking structure (4), and the elastic component can drive the pushing component to move.
6. The battery changing apparatus according to claim 5, wherein the elastic member comprises:
an unlocking elastic member (34) having one end mounted on the unlocking base (31);
the unlocking push plate (35) is arranged at the other end of the unlocking elastic piece (34) and is used for pushing the pushing assembly to move;
and one end of the limiting piece structure is connected with the unlocking push plate (35), and the other end of the limiting piece structure is connected with the unlocking base (31) in a sliding manner.
7. The battery changing apparatus according to claim 4, further comprising a battery hooking means mounted on the carriage (10) for hooking a battery (15).
8. The battery changing apparatus according to claim 7, wherein the battery hooking means comprises:
a steering transmission structure comprising a transmission assembly (12) and an action assembly, the transmission assembly (12) being mounted on the carriage (10), the action assembly being mounted on the bracket (18);
the steering structure (13) is arranged on the sliding frame (10) and is in transmission connection with the transmission assembly (12);
the hook (16) is arranged at the output end of the steering structure (13) and is used for hooking a hook handle (151) on a battery (15);
when the transmission component (12) translates to the two opposite ends of the support (18) and is abutted to the action component, the transmission component (12) can drive the steering structure (13) to rotate so as to drive the hook (16) to swing and be hooked with or released from the hook handle (151).
9. The battery changing apparatus according to claim 8, further comprising a push hook structure (2), the push hook structure (2) being mounted on the carriage (10) for pushing the battery (15) into the battery compartment (14).
10. The battery changing apparatus according to claim 9, wherein the push hook structure (2) comprises:
a push hook drive assembly (21) mounted on the carriage (10);
the push hook (22) is installed at the output end of the push hook driving component (21), the push hook driving component (21) can drive the push hook (22) to swing, so that the push hook (22) swings to the push-pull action surface of the battery (15) or moves away from the push-pull action surface of the battery (15), and the distance between the push hook (22) and the battery compartment (14) is smaller than the distance between the hook (16) and the battery compartment (14) along the moving direction of the battery (15).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010256955.9A CN111162227B (en) | 2020-04-03 | 2020-04-03 | Battery self-locking mechanism and battery replacing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010256955.9A CN111162227B (en) | 2020-04-03 | 2020-04-03 | Battery self-locking mechanism and battery replacing device |
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| CN111162227A CN111162227A (en) | 2020-05-15 |
| CN111162227B true CN111162227B (en) | 2020-08-04 |
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| CN202010256955.9A Active CN111162227B (en) | 2020-04-03 | 2020-04-03 | Battery self-locking mechanism and battery replacing device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102020103089A1 (en) | 2020-02-06 | 2021-08-12 | Alfred Kärcher SE & Co. KG | ELECTRICAL DEVICE |
| CN112537192A (en) * | 2020-12-10 | 2021-03-23 | 丁明德 | Fixing frame applicable to new energy vehicle and capable of rapidly replacing battery pack |
| CN113690531B (en) * | 2021-10-26 | 2021-12-21 | 江苏海瑞电源有限公司 | Battery compartment |
| CN114629219B (en) * | 2022-05-17 | 2022-07-22 | 深圳市华宇新能源科技有限公司 | Automatic charging equipment for lithium battery |
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| CN111162227A (en) | 2020-05-15 |
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