CN219360817U

CN219360817U - Positioning device and battery pack quick-change new energy vehicle

Info

Publication number: CN219360817U
Application number: CN202320425885.4U
Authority: CN
Inventors: 孙冠一; 李继明; 胥明华; 杨小伟; 王水利; 关呈军; 孙杉
Original assignee: Blue Valley Smart Beijing Energy Technology Co Ltd
Current assignee: Blue Valley Smart Beijing Energy Technology Co Ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-07-18
Anticipated expiration: 2033-03-06

Abstract

The utility model discloses a positioning device and a battery pack quick-change new energy vehicle. The battery pack quick-change new energy vehicle comprises a first component and a second component, one of the first component and the second component is a vehicle body, the other is a battery pack, and the positioning device comprises: the positioning pin is provided with a connecting end and a positioning end, the connecting end is used for being connected with the first component, and the positioning end is used for positioning the second component; a cushioning assembly, the cushioning assembly comprising: the installation shell is provided with a shell installation part, the shell installation part is used for being connected with the second component, the energy absorption sleeve is sleeved outside the positioning pin, and the energy absorption sleeve is suitable for deforming and absorbing energy when the first component and the second component relatively move in the radial direction of the positioning pin. According to the positioning device for the battery pack quick-change new energy vehicle, disclosed by the utility model, the energy absorption sleeve is suitable for deformation energy absorption, the positioning device can realize positioning and limiting functions, the buffering performance is good, the structure is simple, and the reliability is high.

Description

Positioning device and battery pack quick-change new energy vehicle

Technical Field

The utility model relates to the technical field of new energy vehicle types with quick battery pack replacement, in particular to a positioning device for a new energy vehicle with quick battery pack replacement and the new energy vehicle with the positioning device.

Background

The battery pack quick-change new energy vehicle comprises a vehicle body and a battery pack, wherein the battery pack can be quickly connected or separated with the vehicle body so as to realize quick replacement of the battery pack. The battery pack is positioned at the bottom of the vehicle body by using a positioning pin, and then the battery pack and the vehicle body are connected and fixed by using a fastener such as a bolt. When the battery pack and the vehicle body are assembled in place, the acceleration increasing force value becomes larger when the vehicle is subjected to working conditions such as impact or sudden braking, the vibration impact received by the battery pack is increased, the battery pack is easy to shake, shift and the like, and the battery pack is easy to damage.

Disclosure of Invention

The present utility model aims to solve, at least to some extent, one of the above technical problems in the prior art. Therefore, the positioning device for the battery pack quick-change new energy vehicle can realize positioning and limiting functions, and has the advantages of good buffering performance, simple structure and high reliability.

The utility model also provides a battery pack quick-change new energy vehicle with the positioning device.

According to an embodiment of the utility model, a positioning device for a battery pack quick-change new energy vehicle, the vehicle comprises a first component and a second component, one of the first component and the second component is a vehicle body, the other is a battery pack, and the positioning device comprises: the positioning pin is provided with a connecting end and a positioning end, the connecting end is used for being connected with the first component, and the positioning end is used for positioning the second component; a cushioning assembly, the cushioning assembly comprising: the installation shell is provided with a shell installation part, the shell installation part is used for being connected with the second component, the energy absorption sleeve is sleeved outside the locating pin, and when the first component and the second component relatively move in the radial direction of the locating pin, the energy absorption sleeve is suitable for deformation energy absorption.

According to the positioning device for the battery pack quick-change new energy vehicle, which is disclosed by the embodiment of the utility model, the energy absorption sleeve is sleeved outside the positioning pin, and when the vehicle body and the battery pack relatively move in the radial direction of the positioning pin, the energy absorption sleeve is suitable for deforming and absorbing energy so as to protect the vehicle body and the battery pack, and the positioning device can realize positioning and limiting functions, and is good in buffering performance, simple in structure and high in reliability.

According to some embodiments of the utility model, the cushion assembly further comprises a floating sleeve disposed between the locating pin and the energy absorbing sleeve.

According to some embodiments of the utility model, the floating sleeve is in a clearance fit with the locating pin.

According to some embodiments of the utility model, the floating sleeve comprises a sleeve body, a first flange at one end of the sleeve body, and a second flange at the other end of the sleeve body, wherein the first flange and the second flange extend along the radial direction of the sleeve body in the axial direction away from the sleeve body, and the energy absorbing sleeve is arranged between the first flange and the second flange.

According to some embodiments of the utility model, the floating cover has a hardness that is greater than the hardness of the energy absorbing cover.

According to some embodiments of the utility model, the mounting housing comprises a connecting wall and a peripheral wall, one end of the peripheral wall is connected with the connecting wall, the peripheral wall surrounds a mounting cavity, the energy absorbing sleeve is mounted in the mounting cavity, and one end of the peripheral wall far away from the connecting wall forms a cavity opening of the mounting cavity;

the buffer assembly further comprises a limiting plate, the limiting plate seals the cavity opening, and the locating pin penetrates through the connecting wall and the limiting plate.

According to some embodiments of the utility model, the locating pin comprises a locating pin body and a locating pin flange, the locating pin flange is configured as the connecting end, and a plurality of pin body mounting holes are formed in the locating pin flange, the pin body mounting holes are distributed around the axis of the locating pin, and the shell mounting part comprises a plurality of shell mounting holes which are distributed around the axis of the locating pin.

According to some embodiments of the utility model, the positioning end is configured as a cylinder, or the positioning end is configured as a cone, the large diameter end of the cone being close to the connecting end, the small diameter end of the cone being remote from the connecting end.

According to some embodiments of the utility model, the energy absorbing sleeve is a rubber sleeve or a silica gel sleeve.

According to another embodiment of the utility model, the battery pack quick-change new energy vehicle comprises a vehicle body, a battery pack and the positioning device for the battery pack quick-change new energy vehicle.

The positioning device is arranged between the body of the battery pack quick-change new energy vehicle and the telephone pack, positioning and limiting functions can be achieved, the buffering performance is good, the structure is simple, and the reliability is high.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Fig. 1 is a perspective view of a positioning device for a battery pack quick change new energy vehicle according to an embodiment of the present utility model;

fig. 2 is an exploded view of a positioning device for a battery pack quick-change new energy vehicle according to an embodiment of the present utility model;

fig. 3 is a front view of a positioning device for a battery pack quick-change new energy vehicle according to an embodiment of the present utility model;

fig. 4 is a cross-sectional view of A-A in fig. 3.

Reference numerals: positioning device 100, positioning pin 10, connecting end 11, positioning end 12, pin body mounting hole 13, buffer assembly 20, mounting case 21, connecting wall 22, peripheral wall 23, energy absorbing sleeve 24, case mounting portion 25, case mounting hole 251, floating sleeve 26, sleeve body 261, first flange 262, second flange 263, and limiting plate 27.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may communicate with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

A positioning device 100 for a battery pack quick-change new energy vehicle according to an embodiment of the present utility model is described in detail below with reference to fig. 1 to 4.

The battery pack quick change new energy vehicle includes a first part and a second part, and referring to fig. 1 to 4, a positioning device 100 for a battery pack quick change new energy vehicle according to an embodiment of the present utility model may include a positioning pin 10 and a buffer assembly 20.

The positioning pin 10 is provided with a connecting end 11 and a positioning end 12, wherein the connecting end 11 is used for being connected with the first component, and the positioning end 12 is used for positioning the second component. By arranging the positioning pin 10, the assembly of the first component and the second component can be positioned and limited, so that the relative positions of the first component and the second component are accurate, and the first component and the second component can be conveniently and subsequently fixed.

The bumper assembly 20 can include a mounting housing 21 and an energy absorbing sleeve 24 disposed within the mounting housing 21, the mounting housing 21 having a housing mounting portion 25, the housing mounting portion 25 being adapted to be coupled to the second member such that the bumper assembly 20 can be secured to the second member. The energy absorbing sleeve 24 is sleeved outside the positioning pin 10, and the energy absorbing sleeve 24 is suitable for deformation and energy absorption when the first component and the second component relatively move in the radial direction of the positioning pin 10. In other words, the energy absorbing sleeve 24 is adapted to deform and absorb energy when the first and second members are moved relative to one another in a horizontal direction.

Optionally, the positioning device 100 is located between the first component and the second component, and the relative positions of the first component and the second component can be fixed by the positioning device 100, so that tolerance problems in XYZ directions can be effectively solved, a single positioning device 100 can achieve multiparty limiting, and the mounting positions of the positioning device 100 are diversified, so that modularization and generalization are facilitated. When the battery pack is quickly replaced with a new energy vehicle under working conditions such as impact or sudden braking, acceleration of the first component and acceleration of the second component are increased, force values borne by the first component and the second component are increased, the first component and the second component are relatively moved in the radial direction of the locating pin 10, and the energy absorbing sleeve 24 is sleeved outside the locating pin 10 and deforms to absorb impact energy between the first component and the second component, so that the first component and the second component are protected, the buffer performance of the locating device 100 is good, the structure is simple, and the reliability is high.

According to the positioning device 100 for the battery pack quick-change new energy vehicle, the energy absorbing sleeve 24 is sleeved outside the positioning pin 10, and when the first component and the second component relatively move in the radial direction of the positioning pin 10, the energy absorbing sleeve 24 is suitable for deforming and absorbing energy so as to protect the first component and the second component, and the positioning device 100 can realize positioning and limiting functions, and has the advantages of good buffering performance, simple structure and high reliability.

When one of the first component and the second component is a vehicle body and the other is a battery pack, the energy absorbing sleeve 24 is suitable for deforming and absorbing energy when the vehicle body and the battery pack relatively move in the radial direction of the positioning pin 10 so as to protect the vehicle body and the battery pack, and the positioning device 100 can realize positioning and limiting functions, and has good buffering performance, simple structure and high reliability.

In some embodiments of the present utility model, referring to fig. 2 and 4, the cushion assembly 20 may further include a floating sleeve 26, the floating sleeve 26 being disposed between the dowel 10 and the energy absorbing sleeve 24. Alternatively, the floating sleeve 26 is configured as a cylindrical structure, the floating sleeve 26 is located in the installation housing 21 and sleeved on the outer periphery of the positioning pin 10, the energy-absorbing sleeve 24 is configured as a cylindrical structure, the energy-absorbing sleeve 24 is sleeved on the outer periphery of the floating sleeve 26, the floating sleeve 26 is located between the positioning pin 10 and the energy-absorbing sleeve 24, the floating sleeve 26 can be used for positioning the energy-absorbing sleeve 24, direct contact between the energy-absorbing sleeve 24 and the positioning pin 10 is avoided, and protection of the energy-absorbing sleeve 24 is facilitated.

In some embodiments of the present utility model, there is a clearance fit between the floating sleeve 26 and the dowel 10. For example, when the diameter of the positioning pin 10 is 20mm, the diameter of the floating sleeve 26 matched with the positioning pin 10 can be 20.2mm, and the floating sleeve 26 and the positioning pin 10 are in clearance fit, so that the friction force between the floating sleeve 26 and the positioning pin 10 is reduced, and the assembly difficulty of the floating sleeve and the positioning pin 10 is reduced.

In some embodiments of the present utility model, referring to fig. 2, the floating cover 26 may include a sleeve body 261 and a first flange 262 at one end of the sleeve body 261, and a second flange 263 at the other end of the sleeve body 261, each of the first flange 262 and the second flange 263 extending in a radial direction of the sleeve body 261 away from an axis of the sleeve body 261, in other words, each of the first flange 262 and the second flange 263 extending outwardly in a radial direction of the sleeve body 261, and the energy absorbing cover 24 being disposed between the first flange 262 and the second flange 263. Optionally, the width of the first flange 262 and the second flange 263 in the radial direction of the sleeve body 261 is smaller than the thickness of the energy-absorbing sleeve 24, so that the floating sleeve 26 can limit the energy-absorbing sleeve 24 between the first flange 262 and the second flange 263, the energy-absorbing sleeve 24 extends out of the first flange 262 and the second flange 263, deformation and energy absorption of the energy-absorbing sleeve 24 are facilitated, and when the energy-absorbing sleeve 24 is compressed, the first flange 262 and the second flange 263 are not easy to collide and interfere with the mounting shell 21.

In some embodiments of the present utility model, the stiffness of the floating cover 26 is greater than the stiffness of the energy absorbing cover 24. The floating sleeve 26 provides support for the energy absorbing sleeve 24, improving the reliability of the positioning device 100.

In some embodiments of the present utility model, referring to fig. 1-4, the mounting housing 21 includes a connecting wall 22 and a peripheral wall 23, one end of the peripheral wall 23 is connected to the connecting wall 22, the peripheral wall 23 surrounds a mounting cavity, the energy absorbing sleeve 24 is mounted in the mounting cavity, the floating sleeve 26 is also mounted in the mounting cavity, and an end of the peripheral wall 23 remote from the connecting wall 22 (i.e., an upper end of the peripheral wall 23) forms a cavity opening of the mounting cavity, so as to facilitate mounting the energy absorbing sleeve 24, the floating sleeve 26 and the positioning pin 10.

The buffer assembly 20 may further include a limiting plate 27, the limiting plate 27 sealing the cavity mouth of the mounting cavity, and the positioning pin 10 penetrating the connecting wall 22 and the limiting plate 27. Optionally, the limiting plate 27 is clamped and fixed with the shell connecting part of the installation shell 21, and the limiting plate 27 is used for limiting the floating sleeve 26 and the energy absorbing sleeve 24 in the installation cavity to be separated from the installation shell 21, and meanwhile has the function of protecting the floating sleeve 26 and the energy absorbing sleeve 24.

In some embodiments of the present utility model, the dowel 10 includes a dowel body and a dowel flange configured as a connecting end 11, and the dowel flange is provided with a plurality of dowel mounting holes 13, the plurality of dowel mounting holes 13 being distributed about the axis of the dowel 10. Optionally, the locating pin flange is provided with 4 pin body mounting holes 13, and the 4 pin body mounting holes 13 are uniformly distributed around the axis of the locating pin 10, so as to fix the locating pin 10 on the first component. The housing mounting portion 25 includes a plurality of housing mounting holes 251, and the plurality of housing mounting holes 251 are arranged in a dispersed manner about the axis of the positioning pin 10. Optionally, the housing mounting portion 25 is provided with 4 housing mounting holes 251,4 with the housing mounting holes 251 evenly disposed about the axis of the dowel 10 to facilitate mounting the damper assembly 20 on the second member.

In some embodiments of the present utility model, the positioning end 12 is configured as a cylinder. Or in other embodiments of the utility model, referring to fig. 1, the locating end 12 is configured as a cone with the major diameter end of the cone being proximal to the connecting end 11 and the minor diameter end of the cone being distal to the connecting end 11.

When the first component and the second component are installed, the positioning end 12 is provided as a cylinder or a cone, so that the first component and the second component can be aligned quickly, and the installation efficiency is improved.

In some embodiments of the present utility model, the energy absorbing sleeve 24 is a rubber sleeve or a silicone sleeve. The rubber sleeve or the silica gel sleeve has strong deformability, good buffering effect and light weight.

A battery pack quick change new energy vehicle according to another embodiment of the present utility model may include a vehicle body, a battery pack, and the above-described positioning device 100 for a battery pack quick change new energy vehicle, one of the first and second components being the vehicle body, the other being the battery pack. Optionally, the first component is a battery pack and the second component is a vehicle body. Alternatively, the first component is a vehicle body and the second component is a battery pack.

Taking the first component as a battery pack and the second component as a vehicle body as an example, the positioning device 100 is fixed on the battery pack through the pin body mounting holes 13, and the buffer component 20 of the positioning device 100 is fixed on the vehicle body through the shell mounting holes 251 after the battery pack is aligned with the vehicle body. The following provides a specific embodiment of a battery pack quick-change new energy vehicle according to an embodiment of the present utility model.

The positioning device 100 includes a positioning pin 10 and a cushioning assembly 20, the cushioning assembly 20 including a mounting housing 21, an energy absorbing sleeve 24, a floating sleeve 26, and a retainer plate 27. Wherein, the diameter of locating pin 10 is 20mm, floating cover 26 and locating pin 10 clearance fit, the hole diameter of floating cover 26 is 20.2mm, the thickness of energy-absorbing cover 24 is 10mm, energy-absorbing cover 24 cover is established on floating cover 26, the compression volume that energy-absorbing cover 24 allows is 3mm, hardness is 48+ -3 HA, locating pin 10 passes through pin body mounting hole 13 and installs on the automobile body, buffer unit 20 passes through casing mounting hole 251 and installs on the battery package, trade electric assembly tolerance is+ -1 mm, when the compression volume of energy-absorbing cover 24 is 1mm, the demand force value is about 1000N. When the battery pack and the vehicle body are assembled in place, the acceleration of the battery pack is increased under the working conditions of impact, sudden braking and the like of the new energy vehicle, the received force value is increased, the impact received by the positioning device 100 is increased, the energy absorption sleeve 24 is loaded to deform and absorb energy, the acceleration of the battery pack is effectively reduced, and the performance of the battery pack is improved.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. A positioning device for a battery pack quick change new energy vehicle, the battery pack quick change new energy vehicle comprising a first component and a second component, one of the first component and the second component being a vehicle body, the other being a battery pack, the positioning device comprising:

-a positioning pin (10), the positioning pin (10) having a connecting end (11) and a positioning end (12), the connecting end (11) being for connecting with the first component and the positioning end (12) being for positioning the second component;

a cushioning assembly (20), the cushioning assembly (20) comprising: the installation shell (21) and locate energy-absorbing cover (24) in installation shell (21), installation shell (21) have casing installation department (25), casing installation department (25) are used for with second part connection, energy-absorbing cover (24) cover is established outside locating pin (10), just first part with when second part is in the radial of locating pin (10) takes place relative movement, energy-absorbing cover (24) are suitable for deformation energy-absorbing.

2. The positioning device for a battery pack quick change new energy vehicle of claim 1, wherein the buffer assembly (20) further comprises a floating sleeve (26), the floating sleeve (26) being disposed between the dowel (10) and the energy absorbing sleeve (24).

3. The positioning device for a battery pack quick change new energy vehicle of claim 2, wherein the floating sleeve (26) is a clearance fit with the positioning pin (10).

4. The positioning device for a battery pack quick-change new energy vehicle according to claim 2, wherein the floating cover (26) includes a sleeve body (261) and a first flange (262) located at one end of the sleeve body (261), a second flange (263) located at the other end of the sleeve body (261), the first flange (262) and the second flange (263) each extend in a radial direction of the sleeve body (261) away from an axis direction of the sleeve body (261), and the energy absorbing cover (24) is disposed between the first flange (262) and the second flange (263).

5. The positioning device for a battery pack quick change new energy vehicle of claim 2, wherein the floating sleeve (26) has a hardness greater than the hardness of the energy absorbing sleeve (24).

6. Positioning device for a battery pack quick change new energy vehicle according to claim 1 or 2, characterized in that the mounting housing (21) comprises a connecting wall (22) and a peripheral wall (23), one end of the peripheral wall (23) being connected to the connecting wall (22), the peripheral wall (23) surrounding a mounting cavity, the energy absorbing jacket (24) being mounted in the mounting cavity, the end of the peripheral wall (23) remote from the connecting wall (22) being formed as a cavity opening of the mounting cavity;

the buffer assembly (20) further comprises a limiting plate (27), the limiting plate (27) covers the cavity opening, and the connecting wall (22) and the limiting plate (27) are penetrated by the locating pin (10).

7. The positioning device for a battery pack quick-change new energy vehicle according to claim 1, wherein the positioning pin (10) comprises a positioning pin (10) body and a positioning pin (10) flange, the positioning pin (10) flange is configured as the connecting end (11), and a plurality of pin body mounting holes (13) are formed in the positioning pin (10) flange, the pin body mounting holes (13) are distributed around the axis of the positioning pin (10), the housing mounting part (25) comprises a plurality of housing mounting holes (251), and the housing mounting holes (251) are distributed around the axis of the positioning pin (10).

8. The positioning device for a battery pack quick change new energy vehicle according to claim 1, wherein the positioning end (12) is configured as a cylinder, or the positioning end (12) is configured as a cone, the large diameter end of the cone being close to the connection end (11), the small diameter end of the cone being distant from the connection end (11).

9. The positioning device for a battery pack quick change new energy vehicle according to claim 1, wherein the energy absorbing sleeve (24) is a rubber sleeve or a silicone sleeve.

10. A battery pack quick change new energy vehicle comprising a vehicle body, a battery pack, and the positioning device for a battery pack quick change new energy vehicle according to any one of claims 1 to 9.