CN210325890U - Locking means and battery mounting structure with prevent moving back mechanism - Google Patents

Locking means and battery mounting structure with prevent moving back mechanism Download PDF

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Publication number
CN210325890U
CN210325890U CN201920870911.8U CN201920870911U CN210325890U CN 210325890 U CN210325890 U CN 210325890U CN 201920870911 U CN201920870911 U CN 201920870911U CN 210325890 U CN210325890 U CN 210325890U
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China
Prior art keywords
moving back
hole
locking
prevent moving
ring
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CN201920870911.8U
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Chinese (zh)
Inventor
韩磊
王志海
张志强
陈狄松
吴元和
杨欣
王雷
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Zhejiang Geely Holding Group Co Ltd
Zhejiang Jizhi New Energy Automobile Technology Co Ltd
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Zhejiang Geely Holding Group Co Ltd
Zhejiang Jizhi New Energy Automobile Technology Co Ltd
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Priority to CN201920870911.8U priority Critical patent/CN210325890U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

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Abstract

The utility model relates to a locking means with prevent moving back mechanism, include the locking screw and prevent moving back the retaining ring, prevent moving back the retaining ring and have and prevent moving back the through-hole, prevent moving back the retaining ring and pass through prevent moving back the through-hole cover and locate on the locking screw, the locking screw is equipped with spacing flange, the spacing flange outside is equipped with first locating part, prevent moving back the through-hole inboard and be equipped with the second locating part, the second locating part with first locating part joint cooperation, in order to prevent the locking screw for prevent moving back the retaining ring axial rotation. The utility model provides a locking mechanism that effectively prevents locking mechanism is not hard up prevents moving back device. The technical problem of among the prior art battery package locking mechanism appear the bolt condition of taking off easily, cause the battery package to drop is solved.

Description

Locking means and battery mounting structure with prevent moving back mechanism
Technical Field
The utility model relates to an electric automobile field especially relates to a locking means and battery mounting structure who has anti-moving back mechanism on electric automobile.
Background
The power supply mode of the power battery of the front electric automobile is generally divided into two modes of inserting charging with the automobile and replacing the battery, wherein the inserting charging mode comprises a slow charging mode and a fast charging mode. The insertion charging mode has the following defects: 1. the initial investment cost of the battery is high, and the popularization of the electric automobile is hindered to a certain extent; 2. the charging time is too long, at least 2-4 hours, and compared with the oiling of a common automobile, the time spent on supplying energy by the electric automobile is too long, so that the charging is not convenient and fast, and the requirements of people cannot be met. The fast charging mode may cause great damage to the battery, resulting in shortened service life of the battery. The problem of the plug-in charging mode can be effectively avoided by adopting the mode of replacing the battery, and various battery box and battery frame structures are correspondingly developed in recent years.
The key point of realizing quick battery replacement of the power battery of the electric automobile is the design of a battery replacement locking mechanism, and the main function of the battery replacement lock body is to keep the automobile body and the battery pack in a firm connection state when the battery replacement is not carried out; when the battery is replaced, the vehicle body and the battery pack are quickly connected and separated.
However, quick bolt trades electric installation locking screw does not have and prevents moving back and prevent unblock structure, and the vehicle is in high-speed operation, and the bolt pine takes off the condition probably to appear in the locking screw, and the locking screw also has artificial dismantlement simultaneously, leads to appearing the bolt pine and takes off the condition, causes the battery package to drop.
In addition, quick bolt trades electric installation because of floating structure can't effectively seal in battery package side, and new construction increases prevents moving back the structure, and the vehicle wades into water, has the grit to get into the lock body when crossing muddy road surface and leads to the lock body risk of inefficacy.
Therefore, it is necessary to provide a back-stop device capable of effectively preventing the locking screw from loosening when the automobile battery locking mechanism is in a locked state to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a locking mechanism that effectively prevents locking mechanism is not hard up prevents moving back device. The technical problem of among the prior art battery package locking mechanism appear the bolt condition of taking off easily, cause the battery package to drop is solved.
The technical effects of the utility model are through following realization:
the utility model provides a locking means with prevent moving back mechanism, includes locking screw and prevents moving back the retaining ring, prevent moving back the retaining ring and have and prevent moving back the through-hole, prevent moving back the retaining ring and pass through prevent moving back the through-hole cover and locate on the locking screw, the locking screw is equipped with spacing flange, the spacing flange outside is equipped with first locating part, prevent moving back the through-hole inboard and be equipped with the second locating part, the second locating part with first locating part joint cooperation, in order to prevent the locking screw for prevent moving back the retaining ring axial rotation. Increase on the jacking rod and prevent moving back the retaining ring, prevent moving back and increase the dentate on the retaining ring and prevent moving back the structure, also increase the form on the jacking rod and prevent moving back the structure and can fit each other, prevented that the vehicle from in high-speed operation, the bolt pine condition of taking off can appear in the locking screw to and in the manual dismantlement, lead to the condition that the jacking rod pine takes off.
Further, still include the locking shell, the locking shell has the inner chamber, the locking screw rod with the inner chamber threaded connection of locking shell.
Further, the locking device also comprises a locking pin nut, wherein the locking pin nut is provided with a nut through hole, and the outer surface of the locking shell is in threaded connection with the inner side of the nut through hole of the locking pin nut.
Furthermore, an elastic piece is arranged between the lockpin nut and the anti-backing retainer ring, and the elastic piece is used for providing a biasing force towards the limiting flange for the anti-backing retainer ring. Through the elastic piece, the anti-back check ring is naturally meshed with the bolt after the installation is finished, and the anti-back check ring can be easily disengaged under the condition that the anti-back check ring needs to be twisted.
Furthermore, a guide post is arranged on the anti-retreat check ring, the elastic piece is a return spring, the return spring is sleeved on the guide post, a guide hole is formed in the lock pin nut, and the aperture of the guide hole is larger than the outer diameter of the guide post and smaller than the outer diameter of the return spring.
Furthermore, reset spring is a plurality of, the guiding hole with the quantity of guide post all with reset spring is the same, and is a plurality of the guide post is followed anti-withdrawal retaining ring circumference equipartition sets up, and is a plurality of the position of guiding hole with the guide post is corresponding.
Furthermore, the first limiting part is first sawteeth uniformly distributed along the periphery of the limiting flange, the second limiting part is second sawteeth uniformly distributed along the inner periphery of the anti-retreat through hole, and the first sawteeth are matched with the second sawteeth.
Furthermore, one side of the anti-retreat through hole is also provided with a limit boss, and the inner diameter of the limit boss is smaller than the outer diameter of the limit flange.
Furthermore, the periphery of the anti-withdrawal check ring is provided with an annular groove, and a sealing ring is arranged inside the annular groove.
In addition, this application still protects a battery mounting structure, including the battery link with as above locking means who has the anti-moving back mechanism, be equipped with the installation sleeve in the mounting hole of battery link, prevent moving back the retaining ring with the inner wall sealing connection of installation sleeve.
As described above, the utility model discloses following beneficial effect has:
1) increase on the jacking rod and prevent moving back the retaining ring, prevent moving back and increase the dentate on the retaining ring and prevent moving back the structure, also increase the dentate on the jacking rod and prevent moving back the structure and can intermeshing, prevented that the vehicle from in high-speed operation, the bolt pine condition of taking off can appear in the locking screw to and in the manual dismantlement, lead to the condition that the jacking rod pine takes off.
2) The utility model discloses adaptation battery bordure roof beam, through set up the mounting hole on the mount, this mounting structure is simple high-efficient.
3) A sealing ring is arranged on the side surface of the lock body anti-back check ring, so that sand dust or liquid is prevented from entering the lock body, and the lock body is made to lose efficacy.
4) Through at the round pin nut with prevent being equipped with the elastic component between the retaining ring for the limit structure on retaining ring and the lockpin nut of preventing moving back can automatic block.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic structural view of an anti-back mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic view of the anti-backup mechanism of FIG. 1 shown in an unlocked configuration;
fig. 3 is a schematic view of the battery mounting structure of the present invention.
Wherein the reference numerals in the figures correspond to:
1. a locknut; 11. a guide hole; 2. a back-off prevention washer; 21. a guide post; 22. an annular groove; 23. a second limiting member; 24. preventing the through hole from retreating; 3. a return spring; 4. a seal ring; 5. locking the screw rod; 51. a limiting flange; 52. a first limit piece; 53. a screw boss; 6. a locking mechanism lock head; 7. a battery connecting frame; 71. installing a sleeve; 711. an inner wall; 8. and locking the shell.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1 to 3, a locking device with a back-proof mechanism is characterized by comprising a locking screw 5 and a back-proof retainer ring 2, wherein the back-proof retainer ring 2 has a back-proof through hole 24, the back-proof retainer ring 2 is sleeved on the locking screw 5 through the back-proof through hole 24, the locking screw 5 is provided with a limiting flange 51, a first limiting member 52 is arranged on the outer side of the limiting flange 51, a second limiting member 23 is arranged on the inner side of the back-proof through hole 24, and the second limiting member 23 is in clamping fit with the first limiting member 52 to prevent the locking screw 5 from axially rotating relative to the back-proof retainer ring 2. Increase on the jacking rod and prevent moving back the retaining ring, prevent moving back 18 and increase the dentate and prevent moving back the structure, also increase the form on the jacking rod and prevent moving back the structure and can fit each other, prevented that the vehicle from in high-speed operation, the bolt pine condition of taking off can appear in the locking screw to and in the manual condition of dismantling, lead to the condition that the jacking rod pine takes off.
Specifically, the locking device further comprises a locking shell 8, wherein the locking shell 8 is provided with an inner cavity, and the locking screw rod 5 is in threaded connection with the inner cavity of the locking shell 8.
Specifically, the lock pin nut 1 is further included, the lock pin nut 1 is provided with a nut through hole, and the outer surface of the locking shell 8 is in threaded connection with the inner side of the nut through hole of the lock pin nut 1.
Specifically, an elastic member is disposed between the locknut 1 and the anti-back-up ring 2, and the elastic member is used for providing a biasing force towards the limiting flange 51 for the anti-back-up ring 2. Through the elastic piece, the anti-back check ring is naturally meshed with the bolt after the installation is finished, and the anti-back check ring can be easily disengaged under the condition that the anti-back check ring needs to be twisted.
Specifically, be equipped with guide post 21 on the retaining ring 2, the elastic component is reset spring 3, and guide post 21 has been seted up to 3 covers of reset spring, lockpin nut 1 to 3 guide posts 21, and the aperture of guide hole 11 is greater than the external diameter of guide post 21 and is less than reset spring 3's external diameter.
Specifically, reset spring 3 is a plurality of, and guiding hole 11 all is the same with reset spring 3 with the quantity of guide post 21, and a plurality of guide posts 21 are along 2 circumference equipartitions settings of retaining ring, and a plurality of guiding hole 11's position corresponds with guide post 21.
Specifically, the first limiting part 52 is first saw teeth uniformly distributed along the outer periphery of the limiting flange 51, the second limiting part 23 is second saw teeth uniformly distributed along the inner periphery of the anti-retreat through hole 24, and the first saw teeth are matched with the second saw teeth. The locking screw 5 is also provided with a screw boss 53, and the outer diameter of the screw boss 53 is less than or equal to the inner diameter of the anti-backing through hole 24 and is used for guiding the anti-backing washer 2. Specifically, one side of the anti-retreat through hole is also provided with a limiting boss, and the inner diameter of the limiting boss is smaller than the outer diameter of the limiting flange 51.
Specifically, the anti-back-up ring 2 is provided with an annular groove 22 at the periphery thereof, and the sealing ring 4 is arranged inside the annular groove 22.
In addition, referring to fig. 3, the embodiment also describes a battery mounting structure, which includes a battery connecting frame 7 and a locking device with an anti-back mechanism, a mounting sleeve 71 is disposed in a mounting hole of the battery connecting frame 7, and the anti-back ring 2 is in sealing connection with an inner wall 711 of the mounting sleeve 71, that is, the sealing ring 4 is in interference fit with the inner wall 711 to form a seal. The locking mechanism lock head 6 extends out of the mounting hole and is used for connecting and locking a vehicle body connecting piece.
Example 2:
the difference from embodiment 1 is that, in this embodiment, a first limiting member 52 is disposed on an outer side of the limiting flange 51, a second limiting member 23 is disposed on an inner side of the anti-retreat through hole 24, the second limiting member 23 is in snap fit with the first limiting member 52, the first limiting member 52 is a plurality of protrusions, and the second limiting member 23 is a groove matched with the plurality of protrusions.
Example 3:
the difference from embodiment 1 is that in this embodiment, the locking device further includes a lock pin nut, an inner surface of the lock pin nut is in threaded connection with an outer surface of the connecting portion of the housing, an elastic member is disposed between the lock pin nut and the anti-back-up ring, the elastic member is used for providing a biasing force towards the limiting step for the anti-back-up ring, the lock pin nut is not only used as a connecting member, but also used for providing a biasing thrust in cooperation with the elastic member, and in this embodiment, the elastic member is an elastic washer, a sealing rubber strip or. The elastic material is directly contacted with the anti-backing retainer ring.
Through the above specific embodiments, the following technical effects are achieved:
1) increase on the jacking rod and prevent moving back the retaining ring, prevent moving back and increase the dentate on the retaining ring and prevent moving back the structure, also increase the dentate on the jacking rod and prevent moving back the structure and can fit each other, prevented that the vehicle from in high-speed operation, the bolt pine condition of taking off can appear in the locking screw to and in the manual dismantlement, lead to the condition that the jacking rod pine takes off.
2) The utility model discloses adaptation battery bordure roof beam through set up the mounting hole on the mount, can realize this embodiment installation, and this mounting structure is simple high-efficient.
3) A sealing ring is arranged on the side surface of the lock body anti-back check ring, so that sand dust or liquid is prevented from entering the lock body, and the lock body is made to lose efficacy.
4) Through at the round pin nut with prevent being equipped with the elastic component between the retaining ring for the limit structure on retaining ring and the lockpin nut of preventing moving back can automatic block.
Although the present invention has been described in connection with the preferred embodiments, it is not intended to limit the invention to the embodiments described herein, but rather, to include various changes and modifications without departing from the scope of the invention.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The embodiments and features of the embodiments described herein above can be combined with each other without conflict.
The above disclosure is only a preferred embodiment of the present invention, and certainly should not be taken as limiting the scope of the invention, which is defined by the claims and their equivalents.

Claims (10)

1. The utility model provides a locking means with prevent moving back mechanism, its characterized in that, includes locking screw (5) and prevents moving back retaining ring (2), prevent moving back retaining ring (2) and have and prevent moving back through-hole (24), prevent moving back retaining ring (2) and pass through prevent moving back through-hole (24) cover and locate on locking screw (5), locking screw (5) are equipped with spacing flange (51), the spacing flange (51) outside is equipped with first locating part (52), prevent moving back through-hole (24) inboard and be equipped with second locating part (23), second locating part (23) with first locating part (52) joint cooperation, in order to prevent locking screw (5) for prevent moving back retaining ring (2) axial rotation.
2. The locking device with the anti-back mechanism is characterized by further comprising a locking shell (8), wherein the locking shell (8) is provided with an inner cavity, and the locking screw (5) is in threaded connection with the inner cavity of the locking shell (8).
3. A locking device with a back-proof mechanism according to claim 2, characterized by further comprising a lock pin nut (1), wherein the lock pin nut (1) has a nut through hole, and the outer surface of the lock housing (8) is screwed with the inner side of the nut through hole of the lock pin nut (1).
4. A lock with anti-back-up mechanism according to claim 3, characterized in that an elastic member is provided between the locknut (1) and the anti-back-up ring (2), the elastic member being used to provide a biasing force to the anti-back-up ring (2) towards the retainer flange (51).
5. The locking device with the anti-backing mechanism according to claim 4, wherein a guide post (21) is arranged on the anti-backing retainer ring (2), the elastic member is a return spring (3), the return spring (3) is sleeved on the guide post (21), a guide hole (11) is formed in the lock pin nut (1), and the diameter of the guide hole (11) is larger than the outer diameter of the guide post (21) and smaller than the outer diameter of the return spring (3).
6. The locking device with the anti-backing mechanism is characterized in that the number of the return springs (3) is multiple, the number of the guide holes (11) and the number of the guide posts (21) are the same as that of the return springs (3), the guide posts (21) are uniformly distributed along the circumferential direction of the anti-backing retainer ring (2), and the positions of the guide holes (11) correspond to the positions of the guide posts (21).
7. The locking device with the anti-back mechanism is characterized in that the first limiting part (52) is a first saw tooth uniformly distributed along the outer periphery of the limiting flange (51), the second limiting part (23) is a second saw tooth uniformly distributed along the inner periphery of the anti-back through hole (24), and the first saw tooth is matched with the second saw tooth.
8. The locking device with the anti-backing mechanism is characterized in that one side of the anti-backing through hole is provided with a limiting boss, and the inner diameter of the limiting boss is smaller than the outer diameter of the limiting flange (51).
9. A locking device with a back-up prevention mechanism according to claim 1, characterized in that the back-up prevention ring (2) is provided with an annular groove (22) at the periphery, and a sealing ring (4) is arranged inside the annular groove (22).
10. A battery mounting structure, comprising a battery connecting frame (7) and a locking device with a back-proof mechanism according to any one of claims 1 to 9, wherein a mounting sleeve (71) is arranged in a mounting hole of the battery connecting frame (7), and the back-proof retainer ring (2) is connected with the inner wall (711) of the mounting sleeve (71) in a sealing manner.
CN201920870911.8U 2019-06-11 2019-06-11 Locking means and battery mounting structure with prevent moving back mechanism Active CN210325890U (en)

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Application Number Priority Date Filing Date Title
CN201920870911.8U CN210325890U (en) 2019-06-11 2019-06-11 Locking means and battery mounting structure with prevent moving back mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920870911.8U CN210325890U (en) 2019-06-11 2019-06-11 Locking means and battery mounting structure with prevent moving back mechanism

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111452606A (en) * 2020-04-26 2020-07-28 浙江吉智新能源汽车科技有限公司 Locking mechanism
CN111959338A (en) * 2020-07-15 2020-11-20 浙江吉智新能源汽车科技有限公司 Battery replacement method for electric vehicle
CN113715687A (en) * 2021-09-30 2021-11-30 北京胜能能源科技有限公司 Vehicle battery state detection method and device, electronic equipment and vehicle
CN113895295A (en) * 2020-07-06 2022-01-07 奥动新能源汽车科技有限公司 Unlocking control method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111452606A (en) * 2020-04-26 2020-07-28 浙江吉智新能源汽车科技有限公司 Locking mechanism
CN113895295A (en) * 2020-07-06 2022-01-07 奥动新能源汽车科技有限公司 Unlocking control method
CN113895295B (en) * 2020-07-06 2023-07-25 奥动新能源汽车科技有限公司 Unlocking control method
CN111959338A (en) * 2020-07-15 2020-11-20 浙江吉智新能源汽车科技有限公司 Battery replacement method for electric vehicle
CN111959338B (en) * 2020-07-15 2022-04-12 浙江吉智新能源汽车科技有限公司 Battery replacement method for electric vehicle
CN113715687A (en) * 2021-09-30 2021-11-30 北京胜能能源科技有限公司 Vehicle battery state detection method and device, electronic equipment and vehicle

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