CN215662917U - Battery replacing box locking device - Google Patents

Battery replacing box locking device Download PDF

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Publication number
CN215662917U
CN215662917U CN202121686004.1U CN202121686004U CN215662917U CN 215662917 U CN215662917 U CN 215662917U CN 202121686004 U CN202121686004 U CN 202121686004U CN 215662917 U CN215662917 U CN 215662917U
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China
Prior art keywords
rod shaft
lock rod
sliding seat
end plate
spring
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Active
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CN202121686004.1U
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Chinese (zh)
Inventor
于国鼎
郝战铎
柳建学
袁国友
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Shanghai Youxu New Energy Technology Co ltd
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Shanghai Youxu New Energy Technology Co ltd
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Priority to CN202121686004.1U priority Critical patent/CN215662917U/en
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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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

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Abstract

The utility model provides a battery replacing box locking device which comprises a lock rod shaft, a spring, an end plate, a sliding seat and a guide screw rod, wherein the sliding seat is lifted through a sleeve at the end of a battery replacing device, under the guiding action of the guide screw rod, a tooth-shaped meshing groove on the lock rod shaft is separated from a meshing groove on the sliding seat by overcoming the spring force, so that the lock rod shaft can rotate forwards or reversely, and the locking and unlocking of a battery box are realized. The locking and unlocking device can solve the problems of complex structure, low reliability, high cost and the like of the conventional locking and unlocking device, can realize the rigid and reliable fixation of the battery box, and effectively prevents the battery box from loosening and the like in a vibration environment.

Description

Battery replacing box locking device
Technical Field
The utility model belongs to the technical field of battery replacement, and particularly relates to a battery replacement box locking device.
Background
With the great popularization of electric vehicles, how to efficiently and quickly supply energy to the electric vehicles becomes a general concern, and at present, two energy supply modes, namely a charging mode and a battery replacement mode, are mainly adopted. Compared with a charging mode, the battery replacement mode can adopt a business mode of vehicle-electricity separation, so that the vehicle purchasing cost of a user is greatly reduced, the residual value rate of the second-hand vehicle is also improved, and the development of the electric vehicle is promoted. Meanwhile, the energy supply can be rapidly carried out on the electric automobile by adopting the battery replacement mode, and the worry of a user about long charging waiting time is eliminated. Because the battery box adopting the battery replacement mode is charged in a constant-temperature and constant-humidity environment in the battery replacement station and maintained by professional personnel, the service life of the battery and the charging safety are favorably improved.
For the battery replacement mode, the battery box locking and unlocking device is particularly important as one of key carriers for connecting the battery box and the vehicle body. Because the battery box is bulky, the characteristics that the quality is heavy, in order to guarantee that the locking is reliable, many at present add unlocking device structural design complicacy, the locking is a lot of, and is high to the required precision, with high costs. Therefore, the battery replacing box locking and unlocking device is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model aims to provide a battery replacing box locking device, which is structurally optimized by arranging a lock rod shaft, a quadrangular end plate and a sliding seat, and realizes the functions of self-locking and unlocking by the sliding seat and tooth-shaped meshing grooves on the lock rod shaft. The locking and unlocking device can solve the problems of complex structure, low reliability, high cost and the like of the conventional locking and unlocking device, can realize the rigid and reliable fixation of the battery box, and effectively prevents the battery box from loosening and the like in a vibration environment.
The utility model is realized by the following technical scheme:
a battery replacing box locking device comprises a lock rod shaft, an end plate, a sliding seat, a spring and a guide screw rod, wherein the end plate, the spring and the sliding seat are sequentially sleeved on the lock rod shaft; the lock rod shaft is of a stepped shaft structure, and the end plate is arranged on the upper end face of a first step of the lock rod shaft; the periphery of the upper part of the lock rod shaft is provided with an external thread, and the head of the external thread is in a conical shape; an anti-skidding groove is formed in the periphery of the lower portion of the lock rod shaft, and a tooth-shaped meshing groove is formed in the upper portion of the anti-skidding groove; the end plate is arranged above the lock rod shaft, and the lower end face of the end plate is attached to the upper end face of the first step of the lock rod shaft; the end plate is provided with a first through hole, a second through hole and a third through hole, and the first through hole is arranged at the center of the end plate and connected with the locking rod shaft; the second through holes are formed in four corners of the end plate, internal threads are formed in the second through holes, and the first ends of the guide screws are screwed into the second through holes for fixing; the third through holes are symmetrically arranged on two sides of the end plate and are fixedly connected with the battery box body by means of fixing bolts; the sliding seat is arranged at the lower part of the lock rod shaft, is of a quadrangular structure, has an L-shaped section and is provided with an inner groove; four corners of the sliding seat are outwards protruded, and guide through holes are formed in the four corners; a circular through hole is formed in the center of the bottom of the sliding seat, and a tooth-shaped meshing groove is formed in the inner wall of the circular through hole in the vertical direction; the spring is sleeved on the lock rod shaft and positioned between the first step of the lock rod shaft and the inner groove of the sliding seat, the upper end of the spring is attached to the lower end face of the first step of the lock rod shaft, and the lower end of the spring is attached to the bottom of the inner groove of the sliding seat; the guide screw is arranged between the end plate and the sliding seat, external threads are arranged at two ends of the guide screw, the first end of the guide screw is screwed into the second through hole to be fixedly connected with the end plate, the second end of the guide screw is fixedly connected with the sliding seat by means of a fixing nut, and the sliding seat can slide along the axial direction of the guide screw.
Preferably, the lock rod shaft is provided with an external thread at the upper part thereof to match with an internal thread of a mounting nut provided on the battery case.
Preferably, the second through hole in the end plate is designed as a counter bore, and the internal thread arranged in the second through hole is matched with the external thread arranged on the guide screw.
Preferably, the four sides of the sliding seat are of concave arc-shaped side structures, a certain space is formed, and the fixing screws between the end plates and the battery box are convenient to detach.
Preferably, the lower part of the lock rod shaft is matched with a toothed meshing groove arranged on the inner side wall of the sliding seat, and the lock rod shaft and the sliding seat can be in meshing connection through the toothed meshing groove.
Preferably, the diameter of the inner groove of the sliding seat is larger than that of the spring, and the diameter of the circular through hole at the bottom of the sliding seat is equal to the outer diameter of the lock rod shaft and smaller than that of the spring.
Preferably, the positions of the guide through holes arranged at the four corners of the sliding seat vertically correspond to the positions of the second through holes arranged on the end plate.
Preferably, the distance between the end plate and the slider is less than the height of the spring.
Preferably, the spring is arranged in a compressed state and is limited by the lower end surface of the first step of the lock rod shaft and the inner bottom surface of the sliding seat.
Compared with the prior art, the utility model has the following beneficial effects:
1. the sliding seat is lifted by the sleeve at the end of the battery replacing equipment, under the action of the guide screw, the tooth-shaped meshing groove of the lock rod shaft is separated from the tooth-shaped meshing groove of the sliding seat by overcoming the spring force, so that the lock rod shaft rotates forwards or reversely, and the lock and the unlock with the floating nut end are realized.
2. The lock rod shaft is of a bolt structure and can be directly screwed into a blind hole in the fixing end of the battery replacement device.
3. The four sides of the sliding seat are of inner arc structures, so that a certain space is formed, and bolts for fixing the end plate and the battery box are convenient to disassemble.
4. The through hole on the end plate is of a counter bore structure, so that the connecting and fixing nut can be locked in the counter bore, and the end plate is tightly attached to the battery box body.
5. The sliding seat and the end plate are fixed at four corners through the guide screw, so that the stability of the sliding seat in sliding guide along the guide screw can be enhanced.
Drawings
Fig. 1 is a schematic overall structure diagram of a battery replacement box locking device of the present invention;
FIG. 2 is a side view of the battery replacement box locking device of the present invention;
FIG. 3 is a cross-sectional view of the battery replacement box locking device of the present invention;
fig. 4 is an exploded view of the battery replacement box locking device of the present invention.
The notation in the figure is:
the lock rod comprises a lock rod shaft 1, an anti-skidding groove 11, a first step 12, an end plate 2, a first through hole 21, a second through hole 22, a third through hole 23, a spring 3, a sliding seat 4, a guide screw rod 5 and an anti-skidding groove 6.
Detailed Description
Exemplary embodiments, features and aspects of the present invention will be described in detail below with reference to the accompanying drawings. Although various aspects of the embodiments are illustrated in the drawings, which may refer to functionally identical or similar elements, the drawings are not necessarily drawn to scale unless specifically indicated.
The utility model discloses a battery replacing box locking device which is used for realizing the fixing, assembling and disassembling of a battery replacing box. As shown in fig. 1 to 4, the lock cylinder includes a lock cylinder shaft 1, an end plate 2, a slide 4, a spring 3 and a lead screw 5, wherein the end plate 2, the spring 3 and the slide 4 are sequentially sleeved on the lock cylinder shaft 1.
The lock rod shaft 1 is of a stepped shaft structure, the upper portion of the lock rod shaft 1 is in a bolt shape and is provided with an external thread, and the external thread arranged on the upper portion of the lock rod shaft 1 is matched with an internal thread of a floating nut arranged on a battery box body and used for being locked with the internal thread of the floating nut. The end of the external thread of the lock rod shaft 1 is designed to be in a conical shape, so that the lock rod shaft 1 can be conveniently inserted into the floating nut side. An end plate 2 is arranged on the upper end face of a first step 12 of the lock rod shaft 1, an anti-skidding groove 6 is arranged on the periphery of the lower portion of the lock rod shaft 1, and a tooth-shaped meshing groove 11 is arranged on the lock rod shaft 1 on the upper portion of the anti-skidding groove 6.
The end plate 2 is arranged above the lock rod shaft 1, and the lower end face of the end plate 2 is flush with the upper end face of the first step 12 of the lock rod shaft 1. The end plate 2 is provided with three through hole structures, including a first through hole 21, a second through hole 22 and a third through hole 23, the first through hole 21 is arranged at the center of the end plate 2 and connected with the lock rod shaft 1, and is used for guiding the lock rod shaft 1. The number of the second through holes 22 is four, and the second through holes 22 are respectively arranged at four corners of the end plate 2, and the second through holes 22 are provided with internal threads for fixedly connecting with the guide screw 5. The second through hole 22 of the end plate 2 is designed as a counter bore, and the internal thread arranged on the second through hole 22 is matched with the external thread arranged on the guide screw 5. The first end of the lead screw 5 is screwed into the second through hole 22 to be fixed. The third through holes 23 are two and symmetrically arranged at both sides of the end plate 2, and are fixedly connected with the battery box body by means of fixing bolts.
Slide 4 sets up in the lower part of lock pin axle 1, and slide 4 sets up to tetragonal structure and its cross-section is the L type, and the four sides of slide 4 are indent arc limit structure, form the fixing bolt between certain space convenient to detach end plate 2 and the battery box. Slide 4 is provided with the inner groovy, and the diameter of the inner groovy of slide 4 is greater than the diameter of spring 3, and four angles of slide 4 are outside protruding, and all are provided with the direction through-hole on four angles. The positions of the guide through holes provided at the four corners of the slider 4 vertically correspond to the positions of the four second through holes 22 provided in the end plate 2. The bottom center of the sliding seat 4 is provided with a circular through hole, and the diameter of the circular through hole is equal to the outer diameter of the lock rod shaft 1 and is smaller than the diameter of the spring 3. The inner wall of the circular through hole is provided with a tooth-shaped meshing groove 11 along the vertical direction, the tooth-shaped meshing groove 11 is matched with the tooth-shaped meshing groove 11 arranged at the lower part of the lock rod shaft 1, the lock rod shaft 1 and the sliding seat 4 can be meshed and connected through the tooth-shaped meshing groove 11, the sliding seat 4 can be guided to slide along the axial direction of the lock rod shaft 1 through the guide screw rod 5, and meshing and separation of the tooth-shaped meshing groove 11 are achieved.
The spring 3 is sleeved on the lock rod shaft 1 and is located between the first step 12 of the lock rod shaft 1 and the inner groove of the sliding seat 4, the upper end of the spring 3 is attached to the lower end face of the first step 12 of the lock rod shaft 1, and the lower end of the spring 3 is attached to the bottom of the inner groove of the sliding seat 4. The spring 3 is arranged in a compressed state, the lower end face of the first step 12 of the lock rod shaft 1 is used for limiting the upper part of the spring 3 in the vertical direction, and the bottom face of the inner groove of the sliding seat 4 supports the lower part of the spring 3.
A guide screw 5 is arranged between the end plate 2 and the slide 4 for guiding the slide 4 in the vertical direction and for fixedly connecting it to the end plate 2. The two ends of each guide screw 5 are provided with external threads, the first ends of the guide screws 5 are screwed into the second through holes 22 on the end plate 2 and fixedly connected with the end plate 2, and the second ends of the four guide screws 5 respectively penetrate through the corresponding guide through holes on the sliding seat 4 and are fixedly connected with the sliding seat by virtue of fixing nuts, so that the sliding seat 4 can slide along the axial direction of the lock rod shaft 1 under the guide effect of the guide screws. The distance between the end plate 2 and the slide 4 is smaller than the height of the spring 3, facilitating the elastic action in which the spring 3 can expand and contract.
The following further describes embodiments of the utility model:
the utility model comprises a lock rod shaft 1, an end plate 2, a sliding seat 4, a spring 3 and a guide screw 5, wherein the end plate 2, the spring 3 and the sliding seat 4 are sequentially sleeved on the lock rod shaft 1, the spring 3 is limited up and down through a first step 12 of the lock rod shaft 1 and the bottom surface of an inner groove of the sliding seat 4, the spring 3 is in a compressed state, the end plate 2 and the sliding seat 4 are fixed through the guide screw 5, and a tooth-shaped meshing groove 11 on the sliding seat 4 is just meshed with a tooth-shaped meshing groove 11 on the lower part of the lock rod shaft. The operation is as follows:
first, the end plate 2 is connected to a battery box (not shown) by fixing bolts through third through holes 23 at both sides, and mounting nuts fitted to the fixing bolts are mounted inside the hanger of the battery box. When the battery box is installed in the vehicle body, the lock rod shaft 1 is aligned and concentric with the mounting nut.
Then, the sleeve is sleeved on the lower portion of the lock rod shaft 1 provided with the anti-skidding groove 6 and pressed on the sliding seat 4, the sleeve is pushed to move along the axial direction of the lock rod shaft 1, the sliding seat 4 is pushed to move axially, the sliding seat 4 can slide along the guide screw rod 5 towards the end plate 2 until the sliding seat 4 cannot move, and the tooth-shaped meshing groove 11 on the lock rod shaft 1 and the tooth-shaped meshing groove 11 on the sliding seat just fall off.
Then the sleeve is screwed, the lock rod shaft 1 is driven to rotate forwards or backwards through the function of the anti-slip groove 6 on the lock rod shaft 1, and the conical threaded head at the upper end part of the lock rod shaft 1 is screwed into the mounting nut to be meshed and connected and screwed.
When the sleeve exits the lock cylinder shaft 1, the slide 4 is simultaneously axially retracted along the lead screw 5 by the spring 3 to the initial state, namely: the external teeth of the lock cylinder shaft 1 mesh with the internal teeth of the slide.
According to the utility model, the sliding seat is lifted through the sleeve at the battery replacing equipment end, under the guiding action of the guide screw 5, the tooth-shaped meshing groove 11 of the lock rod shaft 1 is separated from the tooth-shaped meshing groove 11 on the sliding seat 4 by overcoming the spring force, and then the lock rod shaft 1 can rotate forwards or reversely, so that the locking and unlocking of the battery box are realized.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention shall fall within the protection scope defined by the claims of the present invention.

Claims (9)

1. The battery replacing box locking device is characterized by comprising a lock rod shaft, an end plate, a sliding seat, a spring and a guide screw rod, wherein the end plate, the spring and the sliding seat are sequentially sleeved on the lock rod shaft;
the lock rod shaft is of a stepped shaft structure, and the end plate is arranged on the upper end face of a first step of the lock rod shaft; the periphery of the upper part of the lock rod shaft is provided with an external thread, and the head of the external thread is in a conical shape; an anti-skidding groove is formed in the periphery of the lower portion of the lock rod shaft, and a tooth-shaped meshing groove is formed in the upper portion of the anti-skidding groove;
the end plate is arranged above the lock rod shaft, and the lower end face of the end plate is attached to the upper end face of the first step of the lock rod shaft; the end plate is provided with a first through hole, a second through hole and a third through hole, and the first through hole is arranged at the center of the end plate and connected with the locking rod shaft; the second through holes are formed in four corners of the end plate, internal threads are formed in the second through holes, and the first ends of the guide screws are screwed into the second through holes for fixing; the third through holes are symmetrically arranged on two sides of the end plate and are fixedly connected with the battery box body by means of fixing bolts;
the sliding seat is arranged at the lower part of the lock rod shaft, is of a quadrangular structure, has an L-shaped section and is provided with an inner groove; four corners of the sliding seat are outwards protruded, and guide through holes are formed in the four corners; a circular through hole is formed in the center of the bottom of the sliding seat, and a tooth-shaped meshing groove is formed in the inner wall of the circular through hole in the vertical direction;
the spring is sleeved on the lock rod shaft and positioned between the first step of the lock rod shaft and the inner groove of the sliding seat, the upper end of the spring is attached to the lower end face of the first step of the lock rod shaft, and the lower end of the spring is attached to the bottom of the inner groove of the sliding seat;
the guide screw is arranged between the end plate and the sliding seat, external threads are arranged at two ends of the guide screw, the first end of the guide screw is screwed into the second through hole to be fixedly connected with the end plate, the second end of the guide screw is fixedly connected with the sliding seat by means of a fixing nut, and the sliding seat can slide along the axial direction of the guide screw.
2. The battery replacing box locking device as claimed in claim 1, wherein the external thread arranged on the upper part of the lock rod shaft is matched with the internal thread of the mounting nut arranged on the battery box body.
3. The battery replacement box locking device as claimed in claim 1, wherein the second through hole in the end plate is counter bored and has internal threads matching with external threads on the guide screw.
4. The battery replacement box locking device as claimed in claim 1, wherein four sides of the sliding base are concave arc-shaped structures.
5. The battery replacing box locking device as claimed in claim 1, wherein the lower part of the lock rod shaft is matched with a toothed meshing groove arranged on the inner side wall of the sliding seat, and the lock rod shaft and the sliding seat can be meshed and connected through the toothed meshing groove.
6. The battery replacing box locking device as claimed in claim 5, wherein the diameter of the inner groove of the sliding seat is larger than that of the spring, and the diameter of the circular through hole at the bottom of the sliding seat is equal to the outer diameter of the lock rod shaft and smaller than that of the spring.
7. The battery replacing box locking device as claimed in claim 6, wherein the positions of the guide through holes arranged at the four corners of the sliding base vertically correspond to the positions of the second through holes arranged on the end plate.
8. The battery-replaceable box locking device as claimed in claim 1, wherein the distance between the end plate and the slide is less than the height of the spring.
9. The battery replacing box locking device as claimed in claim 8, wherein the spring is arranged in a compressed state and is limited by the lower end surface of the first step of the lock rod shaft and the inner bottom surface of the sliding seat.
CN202121686004.1U 2021-07-23 2021-07-23 Battery replacing box locking device Active CN215662917U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121686004.1U CN215662917U (en) 2021-07-23 2021-07-23 Battery replacing box locking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121686004.1U CN215662917U (en) 2021-07-23 2021-07-23 Battery replacing box locking device

Publications (1)

Publication Number Publication Date
CN215662917U true CN215662917U (en) 2022-01-28

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ID=79981204

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121686004.1U Active CN215662917U (en) 2021-07-23 2021-07-23 Battery replacing box locking device

Country Status (1)

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CN (1) CN215662917U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113580908A (en) * 2021-07-23 2021-11-02 上海优续新能源科技有限公司 Fixing mechanism for battery box of electric vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113580908A (en) * 2021-07-23 2021-11-02 上海优续新能源科技有限公司 Fixing mechanism for battery box of electric vehicle
CN113580908B (en) * 2021-07-23 2024-05-24 上海优续新能源科技有限公司 Fixing mechanism for battery box of electric vehicle

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