CN214688991U - Quick-locking mechanism and vehicle battery pack with same - Google Patents

Quick-locking mechanism and vehicle battery pack with same Download PDF

Info

Publication number
CN214688991U
CN214688991U CN202022885218.3U CN202022885218U CN214688991U CN 214688991 U CN214688991 U CN 214688991U CN 202022885218 U CN202022885218 U CN 202022885218U CN 214688991 U CN214688991 U CN 214688991U
Authority
CN
China
Prior art keywords
lock
column
expansion pin
cavity
sleeve
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
Application number
CN202022885218.3U
Other languages
Chinese (zh)
Inventor
周直
陈振懿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Foze New Energy Technology Co ltd
Original Assignee
Shanghai Foze New Energy Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Foze New Energy Technology Co ltd filed Critical Shanghai Foze New Energy Technology Co ltd
Priority to CN202022885218.3U priority Critical patent/CN214688991U/en
Application granted granted Critical
Publication of CN214688991U publication Critical patent/CN214688991U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses a quick locking mechanism and a vehicle battery pack with the same, wherein the quick locking mechanism comprises a lock post, the lock sleeve is provided with a first elastic piece which enables one end of the lock sleeve to open along the axial direction of the lock sleeve, an unlocking expansion pin is arranged in the cavity of the lock column along the axial sliding direction of the lock column, at least one through hole communicated with the cavity of the lock column is formed in the side wall of the lock column, a locking block is arranged in each through hole in a radial sliding mode, a limiting sliding groove corresponding to the locking block is formed in the unlocking expansion pin, the length direction of the limiting sliding groove extends along the axial direction of the lock column, a limiting portion matched with the limiting sliding groove and located in the limiting sliding groove in a sliding mode is arranged on the locking block, the groove depth of the limiting sliding groove gradually increases from top to bottom, an opening communicated with the cavity of the lock column is formed in the lower end portion of the lock column, the opening size is larger than that of the unlocking expansion pin, and a second elastic piece is arranged between the top of the cavity of the lock column and the upper end portion of the unlocking expansion pin.

Description

Quick-locking mechanism and vehicle battery pack with same
Technical Field
The utility model relates to a locking mechanism especially relates to a quick-locking mechanism and have automobile-used battery package of this quick-locking mechanism.
Background
The locking mechanism structure of using in the battery installation among the prior art is not only more complicated, can't realize quick unblock and locking moreover, and the operation is more troublesome.
Therefore, the development of a quick locking mechanism applied to a battery mounting package has become a subject of research and development by those skilled in the art.
In addition, a rapid locking mechanism applied in other fields in the prior art, such as CN103410963A, discloses a ball cone irradiation sample hole plug with a self-locking function for a pressurized water reactor. The hydraulic push rod penetrates through the center of the conical ring and enters the inner cavity of the base, the conical surface of the conical ring is attached to the ball, and the two springs are sleeved outside the hydraulic push rod. The conical ring and the ball are mounted below the base, the ball is tightly attached to the conical surface of the conical ring, the ball is pushed out outwards by the conical surface by using the designed push rod structure and forms self-locking with the hole wall of the irradiation sample, the self-locking is formed by using the friction force between the ball and the hole wall in the structure, the stability is poor, the ball is ejected out by the push rod by using the spring, the push rod displaces after the spring is stressed, and the whole self-locking system cannot be maintained.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect that exists among the prior art, provide a quick locking mechanism, can realize quick unblock and quick locking, convenient operation.
In order to realize the technical effects, the utility model adopts the technical scheme that: a quick locking mechanism comprises a hollow lock column and a locking sleeve matched with the lock column, wherein a first elastic piece enabling one end of the locking sleeve to open along the axial direction of the locking sleeve is arranged in the locking sleeve, an unlocking expansion pin is arranged in a cavity of the lock column in a sliding mode along the axial direction of the locking sleeve, at least one through hole communicated with the cavity of the lock column is formed in the side wall of the lock column, a locking block is arranged in each through hole in a sliding mode in the radial direction, a limiting guide mechanism is arranged between the unlocking expansion pin and the locking block and comprises a limiting sliding groove formed in one of the unlocking expansion pin and the locking block and a limiting portion arranged on the other of the unlocking expansion pin and the locking block and matched with the limiting sliding groove, the length direction of the limiting sliding groove extends along the axial direction of the lock column, the depth of the limiting sliding groove on the unlocking expansion pin gradually increases from top to bottom or the thickness of the limiting portion gradually increases from top to bottom, the lower end part of the lock column is provided with an opening communicated with the cavity of the lock column, the size of the opening is larger than that of the lower end part of the unlocking expansion pin, and a second elastic part is arranged between the top of the cavity of the lock column and the upper end part of the unlocking expansion pin.
The disc spring locking device is characterized in that the locking sleeve comprises a disc spring outer sleeve with an opening at the lower part, a disc spring retaining ring arranged at the opening of the disc spring outer sleeve, and a clamp spring arranged at the lower part of the disc spring outer sleeve and used for preventing the disc spring retaining ring from being separated, and the first elastic piece is a disc spring arranged between the disc spring outer sleeve and the disc spring retaining ring.
In a further improvement, the second elastic member is a compression spring.
In a further improvement, the limiting sliding groove is a T-shaped groove.
The further improvement is that the limiting sliding groove is a dovetail groove.
The further improvement is that the upper end of the unlocking expansion pin is provided with a mounting cavity, and part of the pressure spring is positioned in the mounting cavity.
The improved structure is characterized in that a protective sleeve is sleeved at the lower end of the lock cylinder, a notch is formed in the middle of the protective sleeve, and the size of the notch is larger than that of the lower end of the unlocking cylinder which is expanded.
In a further improvement, the number of the locking blocks is four, and the four locking blocks are uniformly distributed on the circumference of the locking column.
An object of the utility model is to overcome the defect that exists among the prior art, provide another kind of automobile-used battery package, battery package easy dismounting.
In order to realize the technical effects, the utility model adopts the technical scheme that: a vehicle battery pack comprises a vehicle end crossbeam, a battery pack mounting flange fixed with the vehicle end crossbeam, a lock column fixedly arranged on the battery pack mounting flange, and a lock sleeve matched with the lock column, wherein an elastic piece is arranged in the lock sleeve, one end of the elastic piece is expanded along the axial direction of the lock sleeve, an unlocking expansion pin is arranged in a cavity of the lock column in a sliding manner along the axial direction of the lock column, at least one through hole communicated with the cavity of the lock column is formed in the side wall of the lock column, a lock block is radially and slidably arranged in each through hole, a limit sliding groove corresponding to the lock block is formed in the unlocking expansion pin, the length direction of the limit sliding groove extends along the axial direction of the lock column, a limit part matched with the limit sliding groove and slidably positioned in the limit sliding groove is arranged on the lock block, the groove depth of the limit sliding groove gradually changes from top to bottom, an opening communicated with the cavity of the lock cylinder is formed in the lower end of the lock cylinder, the size of the opening is larger than that of the lower end of the unlocking expansion pin, and a pressure spring is arranged between the top of the cavity of the lock cylinder and the upper end of the unlocking expansion pin.
The utility model has the advantages and the beneficial effects that: when the locking is carried out, the equipment is jacked up, and the locking assembly falls into the locking column assembly; the locking assembly is driven to lift up, the disc spring is compressed, and an outward movement space is reserved for the locking block; the locking block moves outwards under the pressure of the pressure spring to lock the locking assembly, and when the locking assembly is unlocked, the equipment is jacked to support the battery pack; driving the locking assembly to lift the unlocking head to enable the locking block to move inwards; at the moment, the locking block is inward, the locking assembly can move downwards to achieve unlocking, the operation is convenient, and the stability is good.
Drawings
Fig. 1 is a schematic view of the present invention (the quick-lock mechanism in the locked position);
fig. 2 is a schematic view of the present invention (the quick-lock mechanism in the unlocked position);
fig. 3 is a schematic view of the present invention (the locking sleeve is detached from the lock cylinder);
fig. 4 is a schematic view of the present invention (with the locking sleeve and locking post hidden);
fig. 5 is a schematic view of the present invention (hidden lock sleeve and protective sleeve).
Wherein: 1. a lock cylinder; 2. a disc spring outer sleeve; 3. a disc spring retainer ring; 4. a clamp spring; 5. a first elastic member; 6. unlocking the expansion pin; 7. a locking block; 8. a limiting chute; 9. a limiting part; 10. a protective sleeve; 11. a second elastic member; 12. a vehicle end girder; 13. and (4) installing a flange for the battery pack.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 5, the quick locking mechanism includes a hollow lock cylinder 1 and a lock sleeve matched with the lock cylinder 1, a first elastic member 5 is arranged in the lock sleeve, one end of the first elastic member is expanded along the axial direction of the lock sleeve, an unlocking expansion pin 6 is arranged in a cavity of the lock cylinder 1 along the axial direction of the lock sleeve in a sliding manner, four through holes communicated with the cavity of the lock cylinder 1 are formed in a side wall of the lock cylinder 1, a locking block 7 is arranged in each through hole in a radial sliding manner, the four locking blocks 7 are provided with four locking blocks 7, the four locking blocks 7 are uniformly distributed on the circumference of the lock cylinder 1, a limiting sliding groove 8 corresponding to the locking block 7 is formed in the unlocking expansion pin 6, the length direction of the limiting sliding groove 8 extends along the axial direction of the lock cylinder 1, a limiting portion 9 adapted to the limiting sliding groove 8 and located in the limiting sliding manner is arranged on the locking block 7, the groove depth of the limiting sliding groove 8 gradually increases from top to bottom, the lower end part of the lock column 1 is provided with an opening communicated with the cavity of the lock column, the size of the opening is larger than that of the lower end part of the unlocking expansion pin 6, and a second elastic part 11 is arranged between the top of the cavity of the lock column 1 and the upper end part of the unlocking expansion pin 6.
In this embodiment, preferably, the locking sleeve includes a disc spring housing 2 with an opening at a lower portion, a disc spring retainer ring 2 disposed at the opening of the disc spring housing 2, and a snap spring 4 disposed at the lower portion of the disc spring housing 2 for preventing the disc spring retainer ring 2 from being detached, the first elastic member 5 is a disc spring disposed between the disc spring housing 2 and the disc spring retainer ring 2, and preferably, the second elastic member 11 is a compression spring.
In a further improvement, the limiting sliding groove 8 is a T-shaped groove.
In a further improvement, the limiting sliding groove 8 is a dovetail groove.
In a further improvement, the upper end part of the unlocking expansion pin 6 is provided with a mounting cavity, and part of the pressure spring is positioned in the mounting cavity.
In order to effectively protect the components of the quick locking mechanism, prevent the components from being worn and the like and prolong the service life of the quick locking mechanism, the lower end part of the lock cylinder 1 is sleeved with a protective sleeve 10, the middle part of the protective sleeve 10 is provided with a notch, and the size of the notch is larger than that of the lower end part of the unlocking mechanism which is small in expansion.
The principle of the fast mechanism is analyzed in this embodiment:
stress condition: the lock head of the lock column 1 is acted by the disc spring and the battery pack, and the lock column 1 is acted by XY shear force;
the locking force source is as follows: the butterfly spring is pressed through the jacking equipment, and the locking block 7 moves outwards through the downward pressure of the spring to lock the locking assembly;
locking/unlocking principle of the locking block 7: 1. the locking block 7 is outward and in a locking state; 2. the locking block 7 is inward and is in an unlocking state; 3. the dovetail groove clamps the locking block 7, and the inclined plane at the rear part of the locking block 7 moves up and down along with the unlocking expansion pin 6 and moves outwards and inwards;
the locking principle is as follows:
1. the battery replacement equipment supports a battery pack, and an installation flange surface of the battery pack is attached to the bottom surface of a girder at the vehicle end;
2. the locking component can be fixedly connected with the battery pack or independently arranged on the equipment end, and the disc spring is compressed by the jacking locking component;
3. at the moment, the unlocking expansion pin 6 moves downwards under the action of the pressure spring to drive the locking block 7 to move outwards;
4. the locking block 7 is outward to block the disc spring retainer ring 2, and the locking state is achieved.
Unlocking principle:
1. the battery replacing equipment supports the battery pack;
2. the jacking locking assembly compresses the disc spring; (may be omitted)
3. The device end independent mechanism moves upwards to push the unlocking expansion pin 6 to move upwards;
4. at the moment, the unlocking block moves inwards in the upward movement process of the unlocking expansion pin 6;
5. the locking block 7 completely enters the lock cylinder 1, and the locking assembly can move up and down to achieve unlocking.
A vehicle battery pack comprises a vehicle end crossbeam 12, a battery pack mounting flange 13 fixed with the vehicle end crossbeam 12, a lock column 1 fixedly arranged on the battery pack mounting flange 13, and a lock sleeve matched with the lock column 1, wherein a first elastic piece 5 enabling one end of the lock sleeve to open along the axial direction of the lock sleeve is arranged in the lock sleeve, an unlocking expansion pin 6 is arranged in a cavity of the lock column 1 in a sliding manner along the axial direction of the lock column 1, four through holes communicated with the cavity of the lock column 1 are formed in the side wall of the lock column 1, a lock block 7 is arranged in each through hole in a sliding manner in the radial direction, a limit sliding chute 8 corresponding to the lock block 7 is formed in the unlocking expansion pin 6, the length direction of the limit sliding chute 8 extends along the axial direction of the lock column 1, and a limit part 9 which is matched with the limit sliding chute 8 and is positioned in the limit sliding chute 8 is arranged on the lock block 7, the groove depth of the limiting sliding groove 8 gradually increases from top to bottom, the lower end part of the lock column 1 is provided with an opening communicated with the cavity of the lock column, the size of the opening is larger than that of the lower end part of the unlocking expansion pin 6, and a second elastic part 11 is arranged between the top of the cavity of the lock column 1 and the upper end part of the unlocking expansion pin 6.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (9)

1. A quick lock mechanism is characterized by comprising a hollow lock column and a lock sleeve matched with the lock column, wherein a first elastic piece enabling one end of the lock sleeve to open along the axial direction of the lock sleeve is arranged in the lock sleeve, an unlocking expansion pin is arranged in a cavity of the lock column in a sliding mode along the axial direction of the lock sleeve, at least one through hole communicated with the cavity of the lock column is formed in the side wall of the lock column, a lock block is arranged in each through hole in a sliding mode in the radial direction, a limiting guide mechanism is arranged between the unlocking expansion pin and the lock block and comprises a limiting sliding groove arranged on one of the unlocking expansion pin and the lock block and a limiting part arranged on the other of the unlocking expansion pin and the lock block and matched with the limiting sliding groove, the length direction of the limiting sliding groove extends along the axial direction of the lock column, the depth of the limiting sliding groove on the unlocking expansion pin gradually deepens from top to bottom or the thickness of the limiting part gradually thickens from top to bottom, the lower end part of the lock column is provided with an opening communicated with the cavity of the lock column, the size of the opening is larger than that of the lower end part of the unlocking expansion pin, and a second elastic part is arranged between the top of the cavity of the lock column and the upper end part of the unlocking expansion pin.
2. The quick-lock mechanism according to claim 1, wherein the locking sleeve comprises a disc spring outer sleeve with an opening at a lower portion, a disc spring retainer ring arranged at the opening of the disc spring outer sleeve, and a snap spring arranged at the lower portion of the disc spring outer sleeve to prevent the disc spring retainer ring from being separated, and the first elastic member is a disc spring arranged between the disc spring outer sleeve and the disc spring retainer ring.
3. The quick lock mechanism of claim 1, wherein the second resilient member is a compression spring.
4. The quick lock mechanism of claim 1, wherein the limit runner is a T-slot.
5. The quick lock mechanism of claim 1, wherein the limit runner is a dovetail slot.
6. The quick lock mechanism according to claim 3, wherein a mounting cavity is formed at the upper end of the unlocking expansion pin, and a part of the pressure spring is located in the mounting cavity.
7. The quick lock mechanism according to claim 1, wherein a protective sleeve is sleeved on the lower end of the lock cylinder, a notch is formed in the middle of the protective sleeve, and the size of the notch is larger than that of the lower end of the unlocking expansion part.
8. The quick lock mechanism of claim 1, wherein the number of locking blocks is four, and the four locking blocks are evenly distributed around the circumference of the lock cylinder.
9. A vehicle battery pack is characterized by comprising a vehicle end crossbeam, a battery pack mounting flange fixed with the vehicle end crossbeam, a lock column fixedly arranged on the battery pack mounting flange, and a lock sleeve matched with the lock column, wherein an elastic piece is arranged in the lock sleeve, one end of the elastic piece is expanded along the axial direction of the lock sleeve, an unlocking expansion pin is arranged in a cavity of the lock column in a sliding manner along the axial direction of the lock column, at least one through hole communicated with the cavity of the lock column is formed in the side wall of the lock column, a lock block is arranged in each through hole in a radial sliding manner, a limit sliding groove corresponding to the lock block is formed in the unlocking expansion pin, the length direction of the limit sliding groove extends along the axial direction of the lock column, a limit part matched with the limit sliding groove and positioned in the limit sliding groove in a sliding manner is arranged on the lock block, the depth of the limit sliding groove gradually increases from top to bottom, an opening communicated with the cavity of the lock cylinder is formed in the lower end of the lock cylinder, the size of the opening is larger than that of the lower end of the unlocking expansion pin, and a pressure spring is arranged between the top of the cavity of the lock cylinder and the upper end of the unlocking expansion pin.
CN202022885218.3U 2020-12-06 2020-12-06 Quick-locking mechanism and vehicle battery pack with same Active CN214688991U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022885218.3U CN214688991U (en) 2020-12-06 2020-12-06 Quick-locking mechanism and vehicle battery pack with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022885218.3U CN214688991U (en) 2020-12-06 2020-12-06 Quick-locking mechanism and vehicle battery pack with same

Publications (1)

Publication Number Publication Date
CN214688991U true CN214688991U (en) 2021-11-12

Family

ID=78556991

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022885218.3U Active CN214688991U (en) 2020-12-06 2020-12-06 Quick-locking mechanism and vehicle battery pack with same

Country Status (1)

Country Link
CN (1) CN214688991U (en)

Similar Documents

Publication Publication Date Title
EP2816238B1 (en) Cylinder device with a force multiplier
KR101037112B1 (en) Positioning and fixing device and positioning device
CN102518621A (en) Actuator cylinder position locking and unlocking mechanism
CN214688991U (en) Quick-locking mechanism and vehicle battery pack with same
CN112549944A (en) Quick-locking mechanism and vehicle battery pack with same
CN212400875U (en) Battery replacement connecting device and vehicle
CN202789979U (en) Self-sinking bolt locking device
CN210849047U (en) Retainer ring mounting device for shaft
CN103343696B (en) For male cone thrust unit and this cable bolting structure of cable bolting structure
CN109751005A (en) A kind of underground fishing tool that can be operated repeatedly
CN215706950U (en) Depthkeeping anchor release for underwater vehicle
CN216228777U (en) Bearing ring internal expanding tool
CN211974922U (en) Plug for underwater vertical hole, mounting tool for plug and recovery tool for plug
US20210226427A1 (en) Hydraulic Displacement Mechanism and Method of Use
CN211648053U (en) Rope coring drilling tool suitable for large-caliber geological drilling
CN211623372U (en) Rope coring drilling tool suitable for large-caliber horizontal engineering geological exploration
CN213560910U (en) Bolt self-locking mechanism
CN220621791U (en) Novel axial loading type slip
CN219585727U (en) Brake shoe structure and crane brake
CN215880642U (en) Electric vehicle shock absorber damping cylinder spring press-fitting mechanism
CN220365536U (en) Slips unclamping device and pressurized operation machine
CN209687449U (en) A kind of underground fishing tool that can be operated repeatedly
CN203383840U (en) Anchor plug pushing device used for anchor rope supporting structure and anchor rope supporting structure
CN216082313U (en) Safety piece pressure-bearing test device
CN220134988U (en) High-temperature thermal expansion eliminating device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant