CN214822563U - Mounting sleeve and battery box - Google Patents

Abstract

The utility model relates to an installation sleeve and battery box. The installation sleeve includes: the sleeve comprises a sleeve body and a sleeve body, wherein the sleeve body comprises a sleeve body and a first limiting part arranged on the sleeve body, a first through hole penetrates through the sleeve body, and the first limiting part is used for being supported on the lower shell; the supporting piece is provided with a second through hole which is sleeved on the cylinder body so as to movably connect the supporting piece with the cylinder body; the first fastener is provided with a first connecting part and a second limiting part, the first fastener is connected with the supporting part through the first connecting part, the upper cover is clamped between the second limiting part and the supporting part, and the first fastener is provided with a third through hole communicated with the second through hole. This installation sleeve is favorable to shortening the height that occupies of casing at the automobile body down to the furthest improves the height of casing horizontal girder down, improves the bulk strength of casing down, and then improves the anti-vibration of casing down, shock resistance, anti-bending and modal property, and reduces the risk of avoiding getting loose in the vehicle driving process even.

Description

Mounting sleeve and battery box

Technical Field

The utility model relates to the field of automotive technology, especially, relate to an installation sleeve and battery box.

Background

With the development of the technical field of automobiles, the traditional fuel oil vehicle causes little harm to the living environment of people due to the emission of tail gas. In order to develop a new energy automobile, an electric automobile technology is developed, a power source of the electric automobile is a battery in the automobile, and the battery supplies power to an engine to drive the automobile to run.

Along with the performance such as electric automobile antitorque vibration, shock resistance, bending resistance and mode have higher and higher requirements, only fix with whole car around the battery package and can't satisfy more and more rigorous mechanical properties demand, need fix at the battery box middle part, need satisfy the battery box internal seal simultaneously, avoid water to get into in the waterproof case for battery pack inefficacy.

Among the conventional art, the battery passes through the battery box to be fixed on the vehicle chassis, adopts threaded connection and welding mode usually, and threaded connection mode occupies casing and first fastener within a definite time size great down, has greatly limited the height of casing crossbeam and girder down, is unfavorable for casing antidetonation to move down, anti bending and shock resistance to the screw thread is effectively screwed up the degree of depth not enough, and the risk of getting loose at the vehicle in-process of traveling is high. In addition, the welding mode is difficult to dismantle, and generates heat to influence dimensional stability, is unfavorable for guaranteeing whole car quality.

SUMMERY OF THE UTILITY MODEL

Therefore, the mounting sleeve and the battery box are needed to be provided, so that the requirements of vibration resistance, impact resistance, bending resistance and high mode of an automobile can be effectively met, the connection stability of the battery box and a frame is improved, and the quality of the whole automobile is further improved.

A mounting sleeve, comprising: the sleeve comprises a sleeve body and a sleeve body, wherein the sleeve body comprises a sleeve body and a first limiting part arranged on the sleeve body, a first through hole penetrates through the sleeve body, and the first limiting part is used for being supported on the lower shell; the supporting piece is provided with a second through hole, and the second through hole is sleeved on the cylinder body so that the supporting piece is movably connected with the cylinder body; the first fastener is provided with a first connecting part and a second limiting part, the first fastener is connected with the supporting part through the first connecting part, the second limiting part is used for clamping the upper cover between the supporting parts, and the first fastener is provided with a third through hole communicated with the second through hole.

When the mounting sleeve is used, firstly, the sleeve body penetrates through the third mounting hole at the bottom of the lower shell and penetrates into the battery box, so that the first limiting part is in interference fit with the lower shell; then, connecting the supporting piece with the cylinder body; and finally, the first connecting part of the first fastener penetrates through the fourth mounting hole of the upper cover to be connected with the supporting piece, so that the upper cover is covered on the lower shell and is in interference fit with the second limiting part. Therefore, the mode that the supporting piece is connected with the first fastening piece and the sleeve body in the lower shell is beneficial to shortening the occupied height of the lower shell on the automobile body, the height of the cross beam and the longitudinal beam of the lower shell is improved to the maximum extent, the overall strength of the lower shell is improved, and the vibration resistance, the impact resistance, the bending resistance and the modal performance of the lower shell are further improved; at the same time, the risk of loosening during the driving of the vehicle is reduced or even avoided. In addition, the movable connection mode of first fastener, support piece and sleeve body, the convenient dismantlement is favorable to the dismantlement and the maintenance of the all the other spare parts of car, reduces the cost of maintenance of car.

In one embodiment, the mounting sleeve further comprises a second fastener, a second connecting portion is further arranged on the sleeve body, and the second fastener is used for being sleeved on the second connecting portion and matched with the first limiting portion to be used for clamping a protection plate.

In one embodiment, the mounting sleeve further comprises a first sealing element disposed between the first limiting portion and the second fastening element.

In one embodiment, a first mounting groove is formed in one side face, facing the second connecting portion, of the first limiting portion, the first mounting groove is formed in the circumferential direction of the cylinder body, and the first mounting groove is used for being filled with the first sealing element.

In one embodiment, the mounting sleeve further comprises a second sealing element, the second sealing element is arranged on one side surface of the first limiting part, which faces away from the second connecting part, and the second sealing element is used for sealing and matching the first limiting part and the water cooling plate.

In one embodiment, a second mounting groove is formed in one side surface, back to the second connecting portion, of the first limiting portion, the second mounting groove is formed in the circumferential direction of the cylinder body, and the second mounting groove is used for mounting a second sealing element.

In one embodiment, the second through hole includes a first mounting hole and a second mounting hole, the first mounting hole communicates with the second mounting hole and is distributed near the cylinder body relative to the first mounting hole, the mounting sleeve further includes a third sealing member, the third sealing member is disposed on a hole wall of the second mounting hole, and the cylinder body is in sealing fit with a hole wall of the second mounting hole through the third sealing member.

In one embodiment, the mounting sleeve further comprises a fourth sealing element disposed between the second limiting portion and the support member.

In one embodiment, the first connecting portion has an external thread, the first mounting hole has an internal thread, the first connecting portion is sleeved in the first mounting hole, and the first connecting portion is in threaded connection with the support member.

In one embodiment, the barrel is provided with an external thread, the second mounting hole is provided with an internal thread, and the barrel is in threaded connection with the support member.

A battery box comprises a lower shell, an upper cover and an installation sleeve barrel, wherein a third installation hole is formed in the lower shell, a fourth installation hole is formed in the upper cover, the third installation hole and the fourth installation hole are formed in the height direction of the lower shell correspondingly, a barrel body penetrates through the third installation hole and a support piece in the lower shell, and a first fastener penetrates through the fourth installation hole and is connected with the support piece.

In the use process of the battery box, firstly, the barrel body penetrates through the third mounting hole at the bottom of the lower shell and penetrates into the battery box, so that the first limiting part is in interference fit with the lower shell; then, connecting the supporting piece with the cylinder body; and finally, the first connecting part of the first fastener penetrates through the fourth mounting hole on the upper cover and is connected with the supporting piece, so that the upper cover is covered on the lower shell and is in interference fit with the second limiting part. Therefore, the mode that the supporting piece is connected with the first fastening piece and the sleeve body in the lower shell is beneficial to shortening the occupied height of the lower shell on the automobile body, the height of the cross beam and the longitudinal beam of the lower shell is improved to the maximum extent, the overall strength of the lower shell is improved, and the vibration resistance, the impact resistance, the bending resistance and the modal performance of the lower shell are further improved; at the same time, the risk of loosening during the driving of the vehicle is reduced or even avoided. In addition, the movable connection mode of first fastener, support piece and sleeve body, the convenient dismantlement is favorable to the dismantlement and the maintenance of the all the other spare parts of car, reduces the cost of maintenance of car.

In one embodiment, the battery box further comprises a water cooling plate, and the water cooling plate is sleeved between the lower shell and the first limiting part.

In one embodiment, the battery box further comprises a protection plate, wherein the protection plate is sleeved on the second connecting portion and clamped between the second fastening piece and the first limiting portion.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of a mounting sleeve according to an embodiment;

FIG. 2 is a schematic view of an embodiment of an assembled mounting sleeve;

FIG. 3 is a schematic diagram of the internal structure of the lower housing in one embodiment;

fig. 4 is a schematic structural diagram of the lower housing according to an embodiment.

Description of reference numerals:

100. installing a sleeve; 110. a sleeve body; 111. a barrel body; 112. a first limiting part; 113. a second connecting portion; 114. a first perforation; 120. a support member; 121. a second perforation; 1211. a first mounting hole; 1212. a second mounting hole; 130. a first fastener; 131. a first connection portion; 132. a second limiting part; 133. a third perforation; 140. a second fastener; 150. a first seal member; 151. a first mounting groove; 160. a second seal member; 161. a second mounting groove; 170. a third seal member; 180. a fourth seal member; 200. a battery box; 210. a lower housing; 2101. a third mounting hole; 2102. a transverse girder; 220. an upper cover; 2201. a fourth mounting hole; 230. a water-cooling plate; 240. and (4) a protective plate.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

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

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

In one embodiment, referring to fig. 1, 2, 3 and 4, a mounting sleeve 100 includes: a sleeve body 110, a support 120, and a first fastener 130. The sleeve body 110 includes a barrel 111 and a first position-limiting portion 112 disposed on the barrel 111. The barrel 111 is provided with a first through hole 114, and the first limiting portion 112 is supported on the lower housing 210. The supporting member 120 is provided with a second through hole 121, and the second through hole 121 is used for being sleeved on the barrel body 111 so as to movably connect the supporting member 120 and the barrel body 111. The first fastening member 130 is provided with a first connecting portion 131 and a second position-limiting portion 132. The first fastening member 130 is connected to the supporting member 120 through the first connecting portion 131, and the upper cover 220 is clamped between the second position-limiting portion 132 and the supporting member 120. The first fastening member 130 is provided with a third through hole 133 communicating with the second through hole 121.

In the use process of the mounting sleeve 100, firstly, the barrel body 111 penetrates through the third mounting hole 2101 at the bottom of the lower shell 210 and penetrates into the battery box 200, so that the first limiting part 112 is in interference fit with the lower shell 210; then, the supporter 120 is coupled with the barrel 111; finally, the first connection portion 131 of the first fastening member 130 passes through the fourth mounting hole 2201 on the upper cover 220 and is connected with the supporting member 120, so that the upper cover 220 is covered on the lower housing 210 and is in interference fit with the second position-limiting portion 132. In this way, the manner that the support member 120 connects the first fastening member 130 and the sleeve body 110 inside the lower shell 210 is beneficial to shortening the height occupied by the lower shell 210 on the vehicle body, improving the height of the cross beam 2102 of the lower shell 210 to the maximum extent, improving the overall strength of the lower shell 210, and further improving the vibration, impact, bending and modal performance of the lower shell 210; at the same time, the risk of loosening during the driving of the vehicle is reduced or even avoided. In addition, the movable connection mode of the first fastening piece 130, the supporting piece 120 and the sleeve body 110 is convenient to detach, so that the detachment and the maintenance of other parts of the automobile are facilitated, and the maintenance cost of the automobile is reduced.

The first through hole 114, the second through hole 121, and the third through hole 133 are connected to each other for inserting a bolt, so that the battery box 200 is fixed to the vehicle body by the bolt.

In one embodiment, referring to fig. 1, 2 and 3, the mounting sleeve 100 further includes a second fastening member 140, the cylinder 111 is further provided with a second connecting portion 113, and the second fastening member 140 is adapted to be sleeved on the second connecting portion 113 and is matched with the first limiting portion 112 to clamp the protection plate 240. So, when casing 210 bottom installation guard plate 240 down, through being connected of second fastener 140 and second connecting portion 113, can make guard plate 240 fix in casing 210 bottom down, be favorable to improving the connection stability of guard plate 240 and casing 210 down, and then improve the guard action of casing 210 to the battery down, improve the quality of battery box 200, and then improve the whole quality of car.

Alternatively, the second fastening member 140 and the second connecting portion 113 can be sleeved by a screw, a snap, a plug, a hook, or other connection.

Specifically, the second fastening member 140 is screwed to the second connection portion 113. Thus, the convenience of installation and disassembly is improved, the connection stability of the second fastening member 140 and the second connection portion 113 is improved, and the overall quality of the battery box 200 is improved. The present embodiment provides only one way of engaging the second fastening member 140 with the second connecting portion 113, but is not limited thereto.

In one embodiment, referring to fig. 1, 2 and 3, the mounting sleeve 100 further includes a first seal 150. The first sealing member 150 is disposed between the first position-limiting portion 112 and the second fastening member 140. When the second connecting portion 113 is connected to the second fastening member 140, the second fastening member 140 is in sealing engagement with the first position-limiting portion 112 via the first sealing member 150. Therefore, the addition of the first sealing member 150 is beneficial to improving the sealing effect between the sleeve body 110 and the second fastening member 140, and effectively prevents water from entering the battery box 200 from the outside of the protection plate 240 after the protection plate 240 is installed, so that the battery box 200 is disabled, and the quality of the battery box 200 and the overall quality of the automobile are improved.

Alternatively, the first seal 150 may be a rubber seal, sealant, gasket, or other sealing structure.

Specifically, referring to fig. 1, 2 and 3, the first sealing element 150 is a rubber sealing ring. So, receive elastic deformation after the extrusion through rubber seal for improve sealing performance, easy operation, it is convenient to change, and is with low costs, is favorable to improving the sealing performance of installation sleeve 100, and reduces manufacturing cost. The present embodiment provides only one specific implementation of the first sealing element 150, but is not limited thereto.

Further, referring to fig. 2, a first mounting groove 151 is disposed on a side surface of the first position-limiting portion 112 facing the second connecting portion 113. The first mounting groove 151 is provided along the circumferential direction of the cylinder 111, and the first mounting groove 151 is used to fit the first sealing member 150. Thus, the first sealing member 150 can be installed through the first installation groove 151, which is beneficial to improving the connection stability of the second fastening member 140 and the second connection portion 113, and simultaneously improves the sealing performance of the first sealing member 150, thereby improving the quality of the battery box 200 and the overall quality of the automobile.

In one embodiment, referring to fig. 1, fig. 2 and fig. 3, the mounting sleeve 100 further includes a second sealing element 160, and the second sealing element 160 is disposed on a side surface of the first position-limiting portion 112 facing away from the first connecting element. The second sealing member 160 is used for sealing and matching the first position-limiting part 112 with the water-cooling plate 230. So, when the water-cooling plate 230 of installation battery package, water-cooling plate 230 is fixed between the outer wall of first spacing portion 112 and casing 210 bottom down, be favorable to improving the sealed effect between water-cooling plate 230 and the casing 210 down, avoid having water to invade again during through guard plate 240 infiltrates water-cooling plate 230 down among the casing 210, lead to battery box 200 to become invalid, reach the dual sealed effect, be favorable to improving battery box 200's overall sealing performance, and then improve battery box 200's whole quality.

Alternatively, the second seal 160 may be a rubber seal, sealant, gasket, or other sealing structure.

Specifically, referring to fig. 1, fig. 2 and fig. 3, the second sealing element 160 is a rubber sealing ring. So, receive elastic deformation after the extrusion through rubber seal for improve sealing performance, easy operation, it is convenient to change, and is with low costs, is favorable to improving the sealing performance of installation sleeve 100, and reduces manufacturing cost. The present embodiment provides only one specific implementation of the second sealing member 160, but is not limited thereto.

Further, referring to fig. 2, a side of the first position-limiting portion 112 opposite to the second connecting portion 113 is provided with a second mounting groove 161. The second mounting groove 161 is disposed along a circumferential direction of the barrel 111, and the second mounting groove 161 is used for mounting the second sealing member 160. So, can install second sealing member 160 through second mounting groove 161, be favorable to improving the stability of being connected between first spacing portion 112 and the lower casing 210, improve the sealing performance of second sealing member 160 simultaneously, and then improve the quality of battery box 200 and the whole quality of car.

In one embodiment, referring to fig. 1, 2 and 3, the second through hole 121 includes a first mounting hole 1211 and a second mounting hole 1212. The second mounting hole 1212 is communicated with the first mounting hole 1211, and is distributed near the barrel 111 relative to the first mounting hole 1211, the mounting sleeve 100 further includes a third sealing member 170, the third sealing member 170 is disposed on a hole wall of the second mounting hole 1212, and the barrel 111 is in sealing fit with a hole wall of the second mounting hole 1212 through the third sealing member 170. Therefore, on one hand, the structural stability of the supporting member 120 is improved, and the overall quality of the supporting member 120 is improved; on the other hand, the split type first mounting hole 1211 and the split type second mounting hole 1212 are beneficial to ensuring the position of the supporting member 120, avoiding the first fastening member 130 from contacting the barrel 111, and improving the connection stability of the supporting member 120 with the barrel 111 and the first fastening member 130. In addition, a sealing structure can be added in the mounting hole, which is beneficial to improving the overall sealing performance of the mounting sleeve 100.

Alternatively, the third seal 170 may be a rubber seal, sealant, gasket, or other sealing structure.

Specifically, referring to fig. 1, 2 and 3, the third sealing element 170 is a rubber sealing ring. So, receive elastic deformation after the extrusion through rubber seal for improve sealing performance, easy operation, it is convenient to change, and is with low costs, is favorable to improving the sealing performance of installation sleeve 100, and reduces manufacturing cost. The present embodiment provides only one specific implementation of the third sealing element 170, but not limited thereto.

Further, referring to fig. 1, fig. 2 and fig. 3, the mounting sleeve 100 further includes a fourth sealing element 180, and the fourth sealing element 180 is disposed between the second limiting portion 132 and the supporting member 120. The first fastener 130 is in sealing engagement with the support 120 via a fourth seal 180. Therefore, the sealing performance between the upper cover 220 and the supporting piece 120 is improved, water is prevented from entering the lower shell 210 from the upper cover 220, the battery box 200 is prevented from being damaged and losing efficacy, the reliability of the battery box 200 is improved, and the overall quality of the whole vehicle is improved.

Alternatively, the fourth seal 180 may be a rubber gasket, a seal, or other sealing structure.

Specifically, referring to fig. 1, 2 and 3, the fourth sealing element 180 is a rubber sealing ring. So, receive elastic deformation after the extrusion through rubber seal for improve sealing performance, easy operation, it is convenient to change, and is with low costs, is favorable to improving the sealing performance of installation sleeve 100, and reduces manufacturing cost. The present embodiment provides only one specific implementation of the fourth sealing element 180, but is not limited thereto.

Alternatively, the movable connection of the first fastener 130 and the support 120 may be a snap connection, a threaded connection, an interference fit, or other connection.

Specifically, referring to fig. 1, fig. 2 and fig. 3, the first connecting portion 131 is provided with an external thread. The first mounting hole 1211 is provided with an internal thread, the first connection portion 131 is sleeved in the first mounting hole 1211, and the first connection portion 131 is in threaded connection with the support 120. Therefore, the axial tension of the first fastening member 130 and the supporting member 120 is improved by the thread engagement, so that the connection stability of the first fastening member 130 and the supporting member 120 is improved, the upper cover 220 is stably fixed, the vibration resistance, impact resistance, bending resistance and modal performance of the lower shell 210 are improved, and the risk of loosening and loosening during the driving process of the vehicle is reduced or even avoided. On the other hand, the threaded connection is convenient to disassemble, which is beneficial to the maintenance of the battery box 200. The present embodiment provides only one movable connection manner of the first fastening member 130 and the supporting member 120, but not limited thereto.

Optionally, the movable connection manner of the sleeve body 110 and the support 120 may be a snap connection, a threaded connection, an interference fit, or other connection manners.

Specifically, referring to fig. 1, 2 and 3, the barrel 111 is provided with an external thread, the second mounting hole 1212 is provided with an internal thread, and the barrel 111 is in threaded connection with the supporting member 120. Therefore, the thread engagement is beneficial to improving the axial tension of the sleeve body 110 and the supporting piece 120, so as to improve the connection stability of the sleeve body 110 and the supporting piece 120, improve the vibration resistance, impact resistance, bending resistance and modal performance of the lower shell 210, and reduce or even avoid the risk of loosening in the driving process of the vehicle. On the other hand, the threaded connection is convenient to disassemble, which is beneficial to the maintenance of the battery box 200. The present embodiment provides only one movable connection manner between the sleeve body 110 and the supporting member 120, but not limited thereto.

A battery box 200 comprises a lower shell 210, an upper cover 220 and a mounting sleeve 100 as described in any one of the above items, wherein a third mounting hole 2101 is arranged on the lower shell 210, the upper cover 220 is provided with a fourth mounting hole 2201, the third mounting hole 2101 and the fourth mounting hole 2201 are correspondingly arranged along the height direction of the lower shell 210, a cylinder body 111 passes through the third mounting hole 2101 to be connected with a support 120 in the lower shell 210, and a first fastener 130 passes through the fourth mounting hole 2201 to be connected with the support 120.

In the use process of the battery box 200, firstly, the barrel 111 penetrates through the third mounting hole 2101 at the bottom of the lower shell 210 and penetrates into the battery box 200, so that the first limiting part 112 is in interference fit with the lower shell 210; then, the supporter 120 is coupled with the barrel 111; finally, the first connection portion 131 of the first fastening member 130 passes through the fourth mounting hole 2201 on the upper cover 220 and is connected with the supporting member 120, so that the upper cover 220 is covered on the lower housing 210 and is in interference fit with the second position-limiting portion 132. Thus, the manner that the support member 120 connects the first fastening member 130 and the sleeve body 110 inside the lower shell 210 is beneficial to shortening the occupied height of the lower shell 210 on the vehicle body, improving the height of the cross beam 2102 of the lower shell 210 to the maximum extent, improving the overall strength of the lower shell 210, and further improving the vibration, impact, bending and modal performance of the lower shell 210; at the same time, the risk of loosening during the driving of the vehicle is reduced or even avoided. In addition, the movable connection mode of the first fastening piece 130, the supporting piece 120 and the sleeve body 110 is convenient to detach, so that the detachment and the maintenance of other parts of the automobile are facilitated, and the maintenance cost of the automobile is reduced.

In one embodiment, referring to fig. 3, the battery box 200 further includes a water cooling plate 230. The water cooling plate 230 is sleeved between the lower housing 210 and the first position-limiting portion 112. So, be favorable to improving battery box 200's heat dispersion, prolong car group battery's life, and then improve the quality and the use of whole car and experience.

In one embodiment, referring to fig. 3, the battery box 200 further includes a protection plate 240. The protection plate 240 is sleeved on the second connecting portion 113 and clamped between the second fastening member 140 and the first position-limiting portion 112. So, be favorable to improving the protection effect of battery box 200 to the battery, scratch and when colliding in the automobile body bottom, guard plate 240 is favorable to avoiding battery box 200 to receive external force and warp, and then damages the battery, effectively prolongs the life of car group battery, and then improves the quality and the use of whole car and experience.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A mounting sleeve, comprising:

the sleeve comprises a sleeve body and a sleeve body, wherein the sleeve body comprises a sleeve body and a first limiting part arranged on the sleeve body, a first through hole penetrates through the sleeve body, and the first limiting part is used for abutting against the lower shell;

the supporting piece is provided with a second through hole, and the second through hole is sleeved on the cylinder body so that the supporting piece is movably connected with the cylinder body;

the first fastener is provided with a first connecting part and a second limiting part, the first fastener is connected with the supporting part through the first connecting part, the second limiting part is used for clamping the upper cover between the supporting parts, and the first fastener is provided with a third through hole communicated with the second through hole.

2. The mounting sleeve according to claim 1, further comprising a second fastening member, wherein a second connecting portion is further disposed on the barrel body, and the second fastening member is adapted to be sleeved on the second connecting portion and is adapted to be matched with the first limiting portion to clamp a protection plate.

3. The mounting sleeve of claim 2, further comprising a first seal disposed between the first retaining portion and the second fastener.

4. The mounting sleeve of claim 3, wherein a first mounting groove is formed in a side surface of the first limiting portion facing the second connecting portion, the first mounting groove is formed along a circumferential direction of the cylinder body, and the first mounting groove is used for accommodating the first sealing element.

5. The mounting sleeve of claim 1, further comprising a second sealing element disposed on a side of the first limiting portion facing away from the second connecting portion, the second sealing element configured to sealingly engage the first limiting portion with the water-cooled plate.

6. The mounting sleeve according to claim 5, wherein a second mounting groove is formed in a side surface of the first limiting portion facing away from the second connecting portion, the second mounting groove is formed along the circumferential direction of the cylinder body, and the second mounting groove is used for mounting a second sealing element.

7. The mounting sleeve of claim 1 wherein said second bore includes a first mounting hole and a second mounting hole, said second mounting hole communicating with said first mounting hole and being disposed adjacent said shaft relative to said first mounting hole, said mounting sleeve further including a third seal disposed on a wall of said second mounting hole, said shaft being in sealing engagement with a wall of said second mounting hole through said third seal.

8. The mounting sleeve of claim 7 further comprising a fourth seal disposed between the second retaining portion and the support member; and/or the presence of a gas in the gas,

the first connecting part is provided with an external thread, the first mounting hole is provided with an internal thread, the first connecting part is sleeved in the first mounting hole, and the first connecting part is in threaded connection with the supporting piece; and/or the presence of a gas in the gas,

the barrel body is provided with external threads, the second mounting hole is provided with internal threads, and the barrel body is in threaded connection with the supporting piece.

9. A battery box, characterized in that, the battery box comprises a lower casing, an upper cover and a mounting sleeve as claimed in any one of claims 1 to 8, the lower casing is provided with a third mounting hole, the upper cover is provided with a fourth mounting hole, the third mounting hole and the fourth mounting hole are correspondingly arranged along the height direction of the lower casing, the barrel passes through the third mounting hole and is connected with the support member in the lower casing, and the first fastening member passes through the fourth mounting hole and is connected with the support member.

10. The battery box according to claim 9, further comprising a water-cooling plate, wherein the water-cooling plate is sleeved between the lower housing and the first limiting portion; and/or;

the battery box further comprises a protection plate, wherein the protection plate is sleeved on the second connecting portion and clamped between the second fastening piece and the first limiting portion.

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