CN211107038U - Quick change mechanism of power battery - Google Patents
Quick change mechanism of power battery Download PDFInfo
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- CN211107038U CN211107038U CN201921898984.4U CN201921898984U CN211107038U CN 211107038 U CN211107038 U CN 211107038U CN 201921898984 U CN201921898984 U CN 201921898984U CN 211107038 U CN211107038 U CN 211107038U
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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
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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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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Abstract
The utility model provides a quick change mechanism of a power battery, which comprises a fixed seat on a vehicle body, the power battery, a jacking wheel disc, a locking device and an installation screw rod; the mounting screw is provided with a first connecting section, a second connecting section and a third connecting section which are arranged in sequence; the locking device comprises a mounting seat fixed on the power battery and a clamp used for locking the power battery on the second connecting section of the mounting screw rod; the jacking wheel disc is sleeved on the first connecting section and can drive the power battery to move towards the fixed seat through relative rotation. The utility model provides a quick change mechanism of power battery is fixed in the mounting screw of automobile body with power battery, and this mounting screw passes through the jacking rim plate and can realize automobile body and power battery's rigidity, and on rethread locking device was fixed in the mounting screw with power battery, it was fixed with the locking of automobile body to accomplish power battery, and this quick change mechanism is with low costs, light in weight, and to former design change still less, and the production resource of this quick change mechanism is many, and the reliability is high.
Description
Technical Field
The utility model belongs to the technical field of new energy automobile power battery's technique and specifically relates to a power battery's quick change mechanism is related to.
Background
Under the influence of energy sources such as environment and petroleum, new energy vehicles (including but not limited to pure electric vehicles, plug-in hybrid electric vehicles, extended range electric vehicles, etc.) are becoming the trend of vehicle development. Strategies are formulated successively by countries to develop new energy automobiles vigorously, and especially, the countries formulate a double-integral policy through regulations to promote the development of new energy automobiles in China.
A power battery serving as one of three electric systems is a core component of a new energy automobile. The safety and the stability of the power battery in the cruising ability and the using process of the electric automobile are particularly important. However, the development of new energy automobiles is severely restricted by long charging time of the power battery, difficult charging and insufficient supply of the charging pile. Therefore, it is a need to be able to quickly replace the power battery. The quick-change efficiency is an important index of the quick-change mechanism of the power battery, and the use experience of the electric automobile is directly influenced. The conventional quick-change mechanism has the defects of complex operation, complex mechanism and poor reliability, so that the efficiency of the quick-change mechanism is lower, and the battery replacement period is longer.
One of the existing power battery quick-change mechanisms is a spring type power battery which is locked by a hook through the pre-tightening force existing by the stress or tension of the spring. In the scheme, the rigid connection between the original power battery and the vehicle body is changed into elastic connection, and the spring is required to have enough force to support the starting power battery assembly, so that the whole elastic quick-change mechanism is large in size and heavy and is not beneficial to space arrangement.
The other power battery quick-replacing mechanism achieves the interlocking effect through the inward expansion of the conical surface or the spherical surface, but in the structure, the inward expansion space is limited, and the manufacturing tolerance of the power battery and the mounting point of the vehicle body is required to be very accurate, so that the manufacturing cost and the manufacturing period are greatly increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the quick change mechanism among the power battery among the current new energy automobile and have complex operation, the mechanism is complicated, the reliability is poor and manufacturing cost is high, the shortcoming of cycle length, provide a power battery's quick change mechanism.
The utility model provides a technical scheme that its technical problem adopted is: a quick change mechanism of a power battery comprises a vehicle fixing seat, a jacking wheel disc, a locking device and a mounting screw rod, wherein the fixing seat is arranged on a vehicle body, and the mounting screw rod penetrates through the power battery and is fixed on the fixing seat;
the mounting screw is provided with a first connecting section which is rotatably connected with the jacking wheel disc, a second connecting section which can be fixedly connected with the locking device and a third connecting section which is fixedly connected with the fixed seat, which are sequentially arranged;
the locking device comprises a mounting seat fixed on the power battery and a clamp arranged on the mounting seat and used for locking the power battery on the second connecting section of the mounting screw rod;
the jacking wheel disc is sleeved on the first connecting section and abutted to the power battery, and the jacking wheel disc drives the power battery to move towards the fixed seat through relative rotation of the mounting screw rod.
Furthermore, the end face of one side of the jacking wheel disc, which is far away from the power battery, is provided with two opposite rotary inclined planes, and the first connecting section of the mounting screw rod is provided with a horizontal rotary rod which can be abutted against the rotary inclined planes and slides along with the arrangement direction of the rotary inclined planes.
Specifically, the two rotating slopes each gradually increase in height in the clockwise direction.
Furthermore, the hoop of the locking device comprises a fixed semi-ring, a movable semi-ring and a locking component, a through hole for the installation screw to pass through is formed between the fixed semi-ring and the movable semi-ring, one end of the fixed semi-ring and one end of the movable semi-ring are fixed on the installation base through a first hinge shaft, and the other end of the fixed semi-ring and the other end of the movable semi-ring are fixedly connected through the locking component.
Furthermore, the locking assembly comprises a first connecting hole formed in the end part of the fixed semi-ring, a second connecting hole formed in the end part of the movable semi-ring, a connecting rod penetrating through the first connecting hole and the second connecting hole, and a first locking piece and a second locking piece which are respectively located at two ends of the connecting rod.
Specifically, first retaining member with the second retaining member be set up in the connecting rod both ends respectively with the tip of activity semi-ring or the lock nut of the tip butt of fixed semi-ring.
Specifically, first retaining member for set up in the tip of connecting rod with the lock nut of the tip butt of fixed semi-ring, the second retaining member for set up in the other end of connecting rod with the connecting rod articulated spanner that has an eccentric cam, the tip of activity semi-ring be provided with the cambered surface of spanner butt.
Furthermore, the inner walls of the fixed half ring and the movable half ring are both provided with first connecting threads, and the second connecting section of the mounting screw is provided with second connecting threads meshed with the first connecting threads.
Furthermore, the mounting base on the locking device comprises a mounting flat plate for fixing the hoop and a connecting piece which is arranged on the mounting flat plate and is fixedly connected with the power battery.
Furthermore, a threaded hole fixedly connected with the mounting screw rod is formed in the fixing seat, an external thread meshed with the threaded hole is formed in the third connecting section of the mounting screw rod, and the mounting screw rod is fixed on the fixing seat through the third connecting section.
The utility model provides a quick change mechanism of power battery's beneficial effect lies in: be fixed in the installation screw rod of automobile body with power battery, this installation screw rod can realize automobile body and power battery's rigidity through the jacking rim plate, rethread locking device is fixed in power battery on the installation screw rod, it is fixed with the locking of automobile body to accomplish power battery, when needing the dismantlement formula, also only need loosen locking device and can take off the installation screw rod from power battery, whole power battery's the period of tearing open and changing can be controlled within three minutes, and do not make any change to former automobile body, only need add the mounting point on power battery and can realize this quick change mechanism, consequently this quick change mechanism is with low costs, light in weight, become still less to former design, and the production resource of this quick change mechanism is many, high reliability.
Drawings
Fig. 1 is a schematic perspective view of a quick-change mechanism for a power battery provided by the present invention;
fig. 2 is a full sectional view of the power battery in the quick-change mechanism for power battery provided by the present invention at the second installation position;
fig. 3 is a full sectional view of the power battery in the quick-change mechanism for power battery according to the present invention, when the power battery is at the first installation position;
fig. 4 is a schematic perspective view of a locking device in a quick-change mechanism of a power battery provided by the present invention;
fig. 5 is a top view of a locking device in a quick-change mechanism of a power battery provided by the present invention in a locked state;
fig. 6 is a schematic perspective view of an installation screw rod in a quick-change mechanism of a power battery provided by the present invention;
fig. 7 is a side view of a mounting screw rod in a quick-change mechanism of a power battery provided by the present invention;
fig. 8 is a top view of a jacking wheel disc in a quick-change mechanism of a power battery provided by the present invention;
fig. 9 is a cross-sectional view taken at a-a in fig. 8.
In the figure: 100-quick-change mechanism, 10-mounting screw rod, 11-first connecting section, 111-horizontal rotating rod, 112-guiding inclined plane, 12-second connecting section, 121-second connecting thread, 13-third connecting section, 131-external thread, 20-jacking wheel disc, 21-rotating inclined plane, 22-I-shaped through hole, 23-circular through hole, 24-mounting plane, 30-locking device, 31-mounting seat, 311-mounting flat plate, 312-connecting piece, 32-clamping hoop, 321-fixed half ring, 322-movable half ring, 323-locking component, 3231-connecting rod, 3232-first locking component, 3233-second locking component (wrench and eccentric cam), 3234-cambered surface, 324-through hole, 325-first hinge shaft, 326-first connecting screw thread, 200-vehicle body, 210-fixed seat, 211-threaded hole, 300-power battery, 301-first mounting position and 302-second mounting position.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-9, for the utility model provides a quick change mechanism 100 of power battery, can be used for in various new energy automobile, for providing reliable zonulae occludens between new energy automobile and the power battery 300, and this quick change mechanism 100 can be within 3 minutes with the time control of changing the power battery 300 through the mutual cooperation between multiple structure to keep singly organizing the mechanism to tear open and trade the life-span more than thirty ten thousand. Therefore, the utility model provides a quick change structure 100 of power battery can solve the problem that present electric automobile charge time is long, trade the electric cycle length, has very big practical meaning.
Specifically, as shown in fig. 1 and fig. 2, in the quick-change mechanism 100 for a power battery provided by the present invention, a first mounting position 301 and a second mounting position 302 are provided between a power battery 300 and a fixing seat 210 on a vehicle body 200, and the fixing seat 210 on the vehicle body 200 is a fixing member welded on a vehicle body lower plane. In the second installation position 302, a certain gap is formed between the vehicle body 200 and the power battery 300, and the power battery 300 can be quickly attached to the vehicle body 200 through the quick-change mechanism 100, so that the vehicle body 200 and the power battery 300 are located at the first installation position 301, and the power battery 300 is ensured to be installed in place.
Specifically, as shown in fig. 2 and 3, the quick-change mechanism 100 includes a fixing seat 210 located on the vehicle body 200, a jacking wheel disc 20, a locking device 30, and a mounting screw 10 fixed on the fixing seat 210 through a power battery 300.
The mounting screw 10 is used for fixedly connecting the vehicle body 200 and the power battery 300. As shown in fig. 6 and 7, there is a schematic perspective view of a mounting screw 10 provided in a quick-change mechanism 100 for a power battery according to the present invention. In the quick-change mechanism 100 provided by the present invention, the mounting screw 10 is a special screw designed specially. The special screw can be used for tightly connecting the vehicle body 200 with the power battery 300, and can also be matched with the jacking wheel disc 20 to realize that the power battery 300 is moved to the first installation position 301 from the second installation position 302, so that quick locking is realized. Specifically, the mounting screw 10 has a first connecting section 11 rotatably connected to the jacking wheel disc 20, a second connecting section 12 fixedly connected to the locking device 30, and a third connecting section 13 fixedly connected to the fixing seat 210. The fixing seat 210 of the vehicle body 200 is provided with a threaded hole 211, and the vehicle body 200 of a general new energy vehicle is provided with a threaded hole 211 required for fixedly connecting with the power battery 300, wherein the threaded hole 211 is an internal thread of M10. Correspondingly, the third connecting section 13 of the mounting screw 10 is provided with an external thread 131 correspondingly engaged with the threaded hole 211, and the length of the external thread on the third connecting section 13 is 20 mm. The mounting screw 10 is fixed on the fixing seat 210 through the third connecting section 13. After passing through the housing of the power battery 300, the mounting screw 10 is always fixedly connected to the vehicle body 200 via the third connecting section 13 before the power battery 300 is removed. A transition slope is arranged between the third connecting section 13 and the second connecting section 12, so that when the power battery 300 is attached to the vehicle body 200, the installation screw 10 does not interfere with the vehicle body 200. The mounting screw 10 is further provided with a rotation shaft between the second connection section 12 and the first connection section 11, so that both the second connection section 12 and the third connection section 13 can rotate with the first connection section 11.
As shown in fig. 4 and 5, the locking device 30 includes a mounting seat 31 fixed on the power battery 300 and a clamp 32 disposed on the mounting seat 31 for locking the power battery 300 to the second connecting section 12 of the mounting screw 10. The clip 32 is used to achieve a secure connection with the mounting screw 10 when a secure lock is required. The mounting seat 31 is used to fix the clip 32 to the housing of the power battery 300. The locking device 30 can realize the fixed connection between the power battery 300 and the mounting screw 10.
As shown in fig. 8 and fig. 9, the present invention provides a top view and a cross-sectional view of a jacking wheel disc 20 in a quick-change mechanism 100 for a power battery. This jacking rim plate 20 is for the frock part with outside frock complex, on the first linkage segment 11 of installation screw 10 and with power battery 300 butt was located to jacking rim plate 20 cover, the accessible removed towards fixing base 210 with the relative rotation drive power battery 300 of installation screw 10. During the installation process of the power battery 300, the jacking wheel disc 20 pushes the power battery 300 to move towards the fixing seat 210 by rotating until the power battery 300 is tightly attached to the vehicle body 200. After the power battery 300 and the vehicle body 200 are tightly attached to each other, the mounting screw 10 is fixed to the power battery 300 by the locking device 30.
As shown in fig. 2, the full-section structure of the power battery 300 is schematically illustrated when the power battery 300 is located at the second mounting position 302 in a state that the mounting screw 10 passes through the housing of the power battery 300 and is fixedly connected to the fixing seat 210 on the vehicle body 200. At this time, the mounting screw 10 passes through the power battery 300 and is fixedly connected with the fixed seat 210 of the vehicle body 200. A threaded hole 211 is provided in the fastening seat 210 of the vehicle body 200, and the vehicle body 200 is fixedly connected to the mounting screw 10 in the quick-change mechanism 100 via this threaded hole 211. In this state, the mounting screw 10 passes through the housing of the power battery 300, but is not fixedly connected to the power battery 300. At this time, the mounting screw 10 can be driven by the rotation of the jacking wheel disc 20 to drive the power battery 300 to move from the second mounting position 302 to the first mounting position 301. When the power battery 300 is mounted and fixed on the vehicle body 200, the jacking wheel disc 20 pushes the mounting screw 10, so that the mounting screw 10 can push the fixing seat 210 of the vehicle body 200 and the power battery 300 to move relatively with the rotation of the jacking wheel disc 20. As shown in fig. 2, the jacking wheel disc 20 and the fixing seat 210 are respectively located at two sides of the power battery 300, and under the condition that the vehicle body 200 connected with the mounting screw 10 is kept stationary, the jacking wheel disc 20 is subjected to an upward pushing force of the mounting screw 10 along with the rotation of the jacking wheel disc 20 and is transmitted to the power battery 300, so that the power battery 300 is pushed to move upwards to the first mounting position 301, the tight connection between the power battery 300 and the vehicle body 200 is realized, and the power battery 300 and the vehicle body 20 are ensured to be mounted in place.
As shown in fig. 3, in the quick-change mechanism 100 for power battery provided by the present invention, a schematic diagram of a full-section structure when the power battery 300 moves to the first installation position 301 is shown. As shown in fig. 3, when the power battery 300 moves to the first installation position 301, the locking device 30 locks the installation screw 10 to the power battery 300, so as to achieve a fixed connection between the installation screw 10 and the power battery 300, and ensure the locking of the housing of the power battery 300.
The utility model provides a quick change mechanism 100 of power battery passes through mounting screw 10, mutually support between jacking rim plate 20 and the locking device 30, can be at the rotatory in-process of jacking rim plate 20, the installation that realizes power battery 300 and automobile body 200 through mounting screw 10 targets in place, and the installation is accomplished back locking device 30 and can be with mounting screw 10 locking in the casing outside of power battery 300, make and can not produce relative displacement again between mounting screw 10 and power battery 300 and the automobile body 200, thereby reach the purpose of locking power battery 300.
Further, as shown in fig. 8 and fig. 9, the present invention provides a top view and a cross-sectional view of the jacking wheel disc 20 in the quick-change mechanism 100 for power battery. The end face of the jacking wheel disc 20 on the side far away from the power battery 300 is provided with two oppositely arranged rotating inclined planes 21. As shown in fig. 6 and 7, the first connecting section 11 of the mounting screw 10 is provided with a horizontal rotating rod 111 which can abut against the rotating inclined surface 21 of the jacking wheel disc 20 and slide along with the setting direction of the rotating inclined surface, and a T-shaped structure is formed between the horizontal rotating rod 111 and the rotating shaft, so that the T-shaped structure can be inserted into the jacking wheel disc 20 and generate a pushing force along with the rotation of the jacking wheel disc 20. The horizontal rotating rod 111 has a width of 8mm and a thickness of 6mm, and a guide slope 112 is provided at a side of the horizontal rotating rod 111, so that the horizontal rotating rod 111 can better slide on the rotating slope 21 thereof with the rotation of the jacking disk 20. A straight through hole 22 is formed in the middle of the jacking wheel disc 20, the straight through hole 22 allows the horizontal rotating rod 111 of the mounting screw 10 to pass through and abut against the rotating inclined surface 21, and the horizontal rotating rod 111 can slide along with the arrangement direction of the rotating inclined surface 21. And, a circular through hole 23 is further provided at the center of the straight through hole 22, and the circular through hole 23 facilitates the insertion of the rotation shaft of the first connecting section 11 when the jacking wheel disc 20 rotates. Still be provided with mounting plane 24 at the side of jacking rim plate 20, can conveniently drive jacking rim plate 20 through this mounting plane 24 and rotate, through the rotation of jacking rim plate 20, under the circumstances of installation screw 10 and automobile body 200 fixed connection, the butt of rotatory inclined plane 21 on this jacking rim plate 20 and horizontal rotary rod 111 produces ascending driving force, this driving force is along with the contact between jacking rim plate 20 and the power battery 300 casing and conduct to power battery 300 on, thereby promote power battery 300 and move to first installation position 301 department by second installation position 302 department, can promote power battery 300 through rotatory jacking rim plate 20 and move towards the direction of automobile body 200 promptly.
Specifically, as shown in fig. 9, in the quick-change mechanism 100 for power battery provided by the present invention, the heights of the two rotating inclined planes 21 on the jacking wheel disc 20 are gradually increased along the clockwise direction. The height difference between the two ends of the two rotating inclined surfaces 21 is greater than or equal to the distance between the second mounting position 302 and the first mounting position 301. The height of one side of the rotating inclined plane 21 is H1, the height of the other side is H2, and the height difference between the two sides determines the distance that the jacking wheel disc 20 can push the power battery 300 to move towards the vehicle body 200. If the height difference between the two sides is equal to the distance H3 between the second mounting position 302 and the first mounting position 301, the jacking wheel disc 20 rotates half a turn, so that the power battery 300 can be pushed to the first mounting position 301 from the second mounting position 302. At this time, the horizontal rotating rod 111 of the mounting screw 10 rotates 180 ° with the rotating slope 21 of the jacking disk 20. If the height difference between the two sides is greater than the distance H3 between the second mounting position 302 and the first mounting position 301, and the rotation angle of the jacking wheel disc 20 is less than 180 °, the power battery 300 can be pushed to the first mounting position 301 from the second mounting position 302, and the power battery 300 and the vehicle body 200 are tightly attached. In this embodiment, the height difference between the height H1 of one side of the rotary inclined plane 21 and the height H2 of the other side thereof is 3mm, and the distance H3 between the second mounting position 302 and the first mounting position 301 is 2mm, so that the power battery 300 can be fixed on the vehicle body 200 when the required angle of the jacking wheel disc 20 is less than 180 °, and the power battery 300 and the new energy vehicle can be fixed.
Further, after the jacking wheel disc 20 pushes the power battery 300 from the second mounting position 302 to the first mounting position 301, the locking device 30 in the quick-change mechanism 100 is used to realize the fixed connection between the mounting screw 10 and the power battery 300. As shown in fig. 4, the mounting seat 31 includes a mounting plate 311 for fixing the clip 32, and a connecting member 312 disposed on the mounting plate 311 and fixedly connected to the power battery 300. The mounting plate 311 is fixed to the outside of the housing of the power battery 300 and is fixedly connected to the housing by a connector 312. In this embodiment, the connector 312 is a mounting nut. The fixed connection between the locking device 30 and the power battery 300 can be realized only by additionally arranging two threaded holes for fixing the mounting nuts on the shell of the power battery 300, so that the connection between the power battery 300 and the locking device 30 is simple and reliable.
Specifically, as shown in fig. 4, the clamp 32 of the locking device 30 includes a stationary half-ring 321, a movable half-ring 322, and a locking assembly 323, wherein a through hole 324 is formed between the stationary half-ring 321 and the movable half-ring 322 for the installation screw 10 to pass through, one end of the stationary half-ring 321 and one end of the movable half-ring 322 are fixed on the installation base 31 through a first hinge shaft 325, and the other end of the stationary half-ring 321 and the other end of the movable half-ring 322 are fixedly connected through the locking assembly 323. When the power battery 300 is not moved to the first installation position 301, the locking assembly 323 on the locking device 30 is in an open state, and the stationary half-ring 321 on the hoop 32 is fixed on the installation plate 311 of the installation seat 31. The movable half ring 322 is hinged to the stationary half ring 321 by a first hinge shaft 325 so that the through-hole 324 formed between the stationary half ring 321 and the movable half ring 322 can be adjusted.
In this embodiment, the inner walls of the stationary half 321 and the movable half 322 of the locking device 30 are provided with first connecting threads 326, and the second connecting section 12 of the mounting screw 10 is provided with second connecting threads 121 engaged with the first connecting threads 326. The outer side of the second connecting section 12 of the mounting screw 10 is provided with a rolling tooth of 25mm, and the rolling tooth is a screw tooth with the tooth height of 0.5mm, the tooth depth of 0.5mm and the tooth pitch of 1 mm.
Specifically, as shown in fig. 5, the locking assembly 323 of the locking device 30 includes a first coupling hole (not shown) formed at an end of the stationary half ring 321, a second coupling hole (not shown) formed at an end of the movable half ring 322, a connecting rod 3231 passing through the first and second coupling holes, and first and second locking members 3232 and 3233 respectively disposed at both ends of the connecting rod 3231. The first locking member 3232 is always fixed at one end of the connecting rod 3231, and the fixed half-ring 321 and the movable half-ring 322 can be locked and fixed by adjusting the second locking member 3233 at the other end. After the force cell 300 moves to the first installation position 301, the whole locking device 30 can be fixed on the outer side of the installation screw 10 by adjusting the second locking member 3233 on the locking assembly 323, so as to realize the fixed connection between the locking device 30 and the installation screw 10.
Specifically, as shown in fig. 5, in the present embodiment, the first locking member 3232 is a locking nut 3232 disposed at an end of the connecting rod 3231 and abutted against an end of the stationary half-ring 321, the second locking member 3233 is disposed at the other end of the connecting rod 3231 and hinged to the connecting rod 3231, the second locking member 3233 is a wrench having an eccentric cam, and an end of the movable half-ring 322 is provided with an arc surface 3234 abutted against the eccentric cam. The rotating means can be opened or closed by rotating the second locker 3233. In the open state of the locking device 30, the diameter of the through hole 324 formed between the stationary half-ring 321 and the movable half-ring 322 is 20+2mm, and the second locking member 3233 is in the open state. The locking device 30 is in a locked state, and the second locking member 3233 is correspondingly in a locked state, and the diameter of the through hole 324 formed between the stationary half-ring 321 and the movable half-ring 322 is 20 mm. At this time, the first connecting thread 326 on the inner wall of the locking device 30 is engaged with the second connecting thread 121 on the mounting screw 10, thereby locking the mounting screw 10 to the locking device 30.
In the quick-change mechanism 100 for power battery provided by the present invention, the first locking member 3232 and the second locking member 3233 in the locking assembly 323 of the locking device 30 can also be locking nuts (not shown in the figure) respectively connected to the ends of the movable half ring 322 or the fixed half ring 321 at the two ends of the connecting rod 3231. After the power battery 300 is moved to the first installation position 301, the locking device 30 can be fixedly connected to the installation screw 10 by locking the nut of the second locking member 3233.
The utility model provides an among power battery's quick change mechanism 100, this installation screw rod 10 is fixed in on automobile body 200's fixing base 210 through external screw thread 131 on the third linkage segment 13. When the power battery 300 is transported to the bottom of the vehicle body, the mounting screw 10 passes through the locking device 30 fixed to the power battery 300 in the open state, so that the power battery 300 and the vehicle body 200 are located at the second mounting position 302 as shown in fig. 2. At this moment, use special frock to drive jacking rim plate 20 and insert the first linkage segment 11 department of installation screw 10 to it is rotatory for installation screw 10 to drive jacking rim plate 20, at the rotatory in-process of jacking rim plate 20, rotatory inclined plane 21 on this jacking rim plate 20 and the last horizontal rotary rod 111 butt of installation screw 10 produce ascending driving force, and this driving force makes power battery 300 remove to the first installation position 301 department of automobile body 200. The torque force value is set on the special tool, when the special tool drives the jacking wheel disc 20 to reach the torque force value, the jacking wheel disc 20 stops rotating, the wrench on the locking device 30 is pushed at the moment, the locking device 30 is fixed on the outer side of the mounting screw 10, the first connecting thread 326 on the locking device 30 is meshed with the second connecting thread 121 on the mounting screw 10, and locking of the locking device 30 and the mounting screw 10 is guaranteed. And then taking the jacking wheel disc 20 out of the bottom of the mounting screw 10, thereby completing the fixed connection of the power battery 300 and the new energy power automobile body 200. When the power battery 300 needs to be disassembled, the wrench at the locking device 30 is opened, so that the unlocking between the power battery 300 and the mounting screw 10 can be realized, and then the mounting screw 10 is taken out from the power battery 300, so that the disassembling of the power battery 300 can be completed. The dismounting and replacing period of the whole power battery 300 can be controlled within three minutes, and the dismounting and replacing life of the single set of mechanism is more than thirty-thousand times.
The utility model provides a quick change mechanism 100 of power battery 300 includes the mounting screw 10 that is fixed in automobile body 200 with power battery 300, and this mounting screw 10 can realize automobile body 200 and power battery 300's rigidity through jacking rim plate 20, and rethread locking device 30 locks power battery 300 on mounting screw 10, and it is fixed with the locking of automobile body 200 to accomplish power battery 300. When the quick-change mechanism needs to be disassembled, the mounting screw 10 can be taken down from the power battery 300 only by loosening the locking device 30, the disassembling and replacing period of the whole power battery 300 can be controlled within three minutes, the original vehicle body 200 is not changed, and the quick-change mechanism can be realized only by additionally arranging a mounting point on the power battery 300, so that the quick-change mechanism is low in cost and light in weight, the original design is changed to a small amount, the production resources of the quick-change mechanism 100 are more, and the reliability is high.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A quick change mechanism of a power battery is characterized by comprising a fixed seat, a jacking wheel disc, a locking device and a mounting screw rod, wherein the fixed seat is arranged on a vehicle body, and the mounting screw rod penetrates through the power battery and is fixed on the fixed seat;
the mounting screw is provided with a first connecting section which is rotatably connected with the jacking wheel disc, a second connecting section which can be fixedly connected with the locking device and a third connecting section which is fixedly connected with the fixed seat, which are sequentially arranged;
the locking device comprises a mounting seat fixed on the power battery and a clamp arranged on the mounting seat and used for locking the power battery on the second connecting section of the mounting screw rod;
the jacking wheel disc is sleeved on the first connecting section and abutted to the power battery, and the jacking wheel disc drives the power battery to move towards the fixed seat through relative rotation of the mounting screw rod.
2. The quick-change mechanism for power battery as claimed in claim 1, wherein the jacking wheel disc is provided with two oppositely arranged rotary inclined planes on the end surface of the side far away from the power battery, and the first connecting section of the mounting screw is provided with a horizontal rotary rod which can abut against the rotary inclined planes and can slide along the arrangement direction of the rotary inclined planes.
3. The quick-change mechanism for power batteries according to claim 2, wherein the two rotary slopes are gradually increased in height in a clockwise direction.
4. The quick-change mechanism for power battery of claim 1, wherein the clamp of the locking device comprises a fixed half ring, a movable half ring and a locking assembly, a through hole for the installation screw to pass through is disposed between the fixed half ring and the movable half ring, one end of the fixed half ring and one end of the movable half ring are fixed on the installation base through a first hinge shaft, and the other end of the fixed half ring and the other end of the movable half ring are fixedly connected through the locking assembly.
5. The quick-change mechanism for power battery as claimed in claim 4, wherein the locking assembly comprises a first connecting hole disposed on the end of the stationary half ring, a second connecting hole disposed on the end of the movable half ring, a connecting rod passing through the first connecting hole and the second connecting hole, and a first locking member and a second locking member respectively disposed on two ends of the connecting rod.
6. The quick-change mechanism for power battery as claimed in claim 5, wherein the first locking member and the second locking member are locking nuts disposed at two ends of the connecting rod and respectively abutted against the ends of the movable half ring or the fixed half ring.
7. The quick-change mechanism for power battery as claimed in claim 5, wherein the first locking member is a locking nut disposed at the end of the connecting rod and abutted against the end of the stationary half ring, the second locking member is a wrench with an eccentric cam disposed at the other end of the connecting rod and hinged to the connecting rod, and the end of the movable half ring is provided with an arc surface abutted against the wrench.
8. The quick-change mechanism for power battery as claimed in claim 4, wherein the inner walls of the stationary half ring and the movable half ring are provided with first connecting threads, and the second connecting section of the mounting screw is provided with second connecting threads engaged with the first connecting threads.
9. The quick-change mechanism for power battery as claimed in claim 4, wherein the mounting seat of the locking device comprises a mounting plate for fixing the clamp, and a connecting member disposed on the mounting plate and fixedly connected to the power battery.
10. The quick-change mechanism for power batteries according to any one of claims 1 to 9, wherein the fixing base is provided with a threaded hole fixedly connected with the mounting screw, the third connecting section of the mounting screw is provided with an external thread engaged with the threaded hole, and the mounting screw is fixed on the fixing base through the third connecting section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921898984.4U CN211107038U (en) | 2019-11-05 | 2019-11-05 | Quick change mechanism of power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921898984.4U CN211107038U (en) | 2019-11-05 | 2019-11-05 | Quick change mechanism of power battery |
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| Publication Number | Publication Date |
|---|---|
| CN211107038U true CN211107038U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921898984.4U Active CN211107038U (en) | 2019-11-05 | 2019-11-05 | Quick change mechanism of power battery |
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| CN (1) | CN211107038U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112757956A (en) * | 2019-11-05 | 2021-05-07 | 广州汽车集团股份有限公司 | Quick change mechanism of power battery |
| CN113054318A (en) * | 2021-05-08 | 2021-06-29 | 东风汽车集团股份有限公司 | Rotation type locking structure of quick change battery box |
-
2019
- 2019-11-05 CN CN201921898984.4U patent/CN211107038U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112757956A (en) * | 2019-11-05 | 2021-05-07 | 广州汽车集团股份有限公司 | Quick change mechanism of power battery |
| CN112757956B (en) * | 2019-11-05 | 2024-03-22 | 广汽埃安新能源汽车有限公司 | Quick-change mechanism of power battery |
| CN113054318A (en) * | 2021-05-08 | 2021-06-29 | 东风汽车集团股份有限公司 | Rotation type locking structure of quick change battery box |
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Effective date of registration: 20211231 Address after: 511400 No.36 Longying Road, Shilou Town, Panyu District, Guangzhou City, Guangdong Province Patentee after: GAC AION New Energy Vehicle Co.,Ltd. Address before: 510030 23 building, Cheng Yue mansion 448-458, Dongfeng Middle Road, Yuexiu District, Guangzhou, Guangdong. Patentee before: GUANGZHOU AUTOMOBILE GROUP Co.,Ltd. |