CN221049460U - Battery tray fixing assembly - Google Patents

Abstract

The utility model provides a battery tray fixing assembly, which comprises a middle sleeve, wherein two axial ends of the middle sleeve are respectively connected to a tray sheet metal and a transfer sleeve, and a hollow structure is formed in the middle sleeve; the bottom sleeve is arranged at one end of the middle sleeve, which is far away from the switching sleeve, and a tray sheet metal is tightly arranged between the bottom sleeve and the middle sleeve; the adapter sleeve is sleeved and installed on the outer part of one end of the middle sleeve, and one end far away from the middle sleeve is provided with an adapter sleeve connecting end 14. According to the utility model, through a three-section structure, the middle sleeve and the bottom sleeve are connected with each other on the tray sheet metal, the other end of the middle sleeve is connected with the switching sleeve to realize the continuation of the connecting structure, the parts are tightly matched with each other, the part structure is reduced, the effect of reducing the weight of the parts is achieved, and the anti-loosening effect is achieved after the assembly is disassembled and assembled for many times by adding anti-loosening glue on the basis of ensuring the connecting strength of the multi-section assembly.

Description

Battery tray fixing assembly

Technical Field

The utility model relates to the field of automobile parts, in particular to the technical field of battery connection, and particularly relates to a battery tray fixing assembly.

Background

With the continuous development of the new energy automobile industry, the requirements on the connection strength and the safety of the battery and related components are higher and higher, in order to meet the connection requirements and the safety requirements, the common practice is to make the size of accessories which are used for being fixedly related to a battery tray large, and meanwhile, the connection threads are also large, so that the following problems occur:

(1) The increase of the size of the accessories can cause the weight of the parts to be increased, the weight of the whole vehicle to be increased, and the increased weight can reduce the endurance mileage of the vehicle because the weight is one of key factors of the endurance capacity of the new energy vehicle;

(2) The screw thread is made greatly and can only guarantee the joint strength that once installs and removes needs, needs adjustment production line and technological process to adapt to bigger size to increase manufacturing cost, can increase the maintenance degree of difficulty and the cost of changing the accessory.

The prior art discloses a new energy automobile's annular panel beating processing drilling equipment, patent number CN112355354A discloses a new energy automobile's annular panel beating processing drilling equipment, includes: the base station is characterized in that a sliding rod is fixed at the upper part of the base station, a top plate is fixedly arranged at the top of the sliding rod, a first motor is fixedly arranged on the top of the sliding rod, a threaded rod is connected to the first motor and penetrates through the top plate, and a shaft sleeve is arranged between the threaded rod and the top plate; a sliding block is slidably arranged on a sliding rod between the top plate and the base, a first connecting rod is fixed on the sliding block, a first sleeve is fixed at the other end of the first connecting rod, a first rotating rod penetrates through the first sleeve, the end part of the first rotating rod is connected with a first connecting frame, a long rod is rotatably connected to the other side of the first connecting frame, and a second connecting frame is arranged at the end part of the other end of the long rod; the device can carry out accurate fixed drilling to the car panel beating of required processing, has improved panel beating processing's precision and work efficiency, but the structure and the bottom sleeve of the structure and middle sleeve that panel beating 1902, platform 1903 and sheet metal component 1904 constitute are similar in this structure, but the application field is different, and the structure is not fully disclosed.

The prior art discloses a battery pack high-voltage safety protection device, and patent number CN113410582B discloses a battery pack high-voltage safety protection device, which relates to the field of battery pack safety devices and comprises a high-voltage protection cover, a safety device, a first high-voltage terminal and a second high-voltage terminal; the high-voltage protective cover comprises insulating walls, wherein the two insulating walls are oppositely arranged, and an installation channel is formed between the two insulating walls; the safety device is positioned in the mounting channel, and the first high-voltage terminal and the second high-voltage terminal respectively extend into the mounting channel from two ends of the mounting channel and are respectively fixedly connected with two ends of the safety device. The invention has the advantages that: the electric safety protection effect of the battery pack is improved, the safety protection effect is achieved, but the sleeve at the bottom of the structure is similar to a nut, only a three-section structure is disclosed, and the rest is not disclosed.

The prior art discloses a power battery lower box body, and patent number CN114132164A discloses an installation force transmission structure of a vehicle body and a battery pack, and belongs to the technical field of vehicles. The vehicle side collision safety device solves the problems that in the prior art, safety risks are large when a vehicle collides with the side surface. This installation biography power structure of automobile body and battery package, the automobile body has threshold roof beam, the battery package has casing and threshold lug, installation biography power structure includes threshold roof beam, casing and threshold lug, the threshold lug is located the casing outside and fixed connection on the threshold roof beam, still including fixing the outer crashproof roof beam between threshold lug and casing lateral wall, still be fixed with on the casing lateral wall with outer crashproof roof beam correspond the setting and be located the interior crashproof roof beam of casing, outer crashproof roof beam and interior crashproof roof beam all extend and be hollow structure along the fore-and-aft direction. The installation force transmission structure of the vehicle body and the battery pack can reduce the safety risk during the side collision of the vehicle, but the appearance of the structure is similar and different; similar in field but in particular on lifting lugs, rather than on vehicle batteries.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a battery tray fixing assembly for solving the difficulties of the prior art.

To achieve the above and other related objects, the present utility model provides a battery tray fixing assembly comprising:

The middle sleeve 1, the axial two ends of the middle sleeve 1 are respectively connected to the tray metal plate and the transfer sleeve 3, and a hollow structure is formed in the middle sleeve 1;

The bottom sleeve 2 is arranged at one end of the middle sleeve 1 far away from the adapter sleeve 3, and a tray sheet metal is tightly arranged between the bottom sleeve 2 and the middle sleeve 1;

The adapter sleeve 3, the adapter sleeve 3 cover is established and is installed on the one end outside of middle sleeve 1, and the one end that keeps away from middle sleeve 1 is provided with adapter sleeve link 14.

Further, a connecting hole penetrating through the middle sleeve 1 is preset in the tray metal plate.

In this technical scheme, in order to realize improving the joint strength of the fixed accessory structure of using of battery tray, make the structure that multistage is connected with fixed subassembly, middle sleeve 1 and bottom sleeve 2 are used for connecting on the tray panel beating, can guarantee the joint strength between the panel beating with the tray through above-mentioned both structures, the other end of middle sleeve 1 is connected with the rest of structure through adapter sleeve 3, can realize the zonulae occludens with other end structure through above-mentioned two kinds of structures, monolithic structure's in the prior art singleness has been replaced, and utilize the structure of multistage formula to reduce the emergence of the weight increase condition that the monolithic structure caused after making, in addition, on the basis of guaranteeing joint strength, still can carry out the adjustment of adaptability and change the structure that is used for connecting adapter sleeve 3 to the structure according to joining in marriage, the improvement flexibility.

According to a preferred embodiment, the middle sleeve 1, the bottom sleeve 2 and the adapter sleeve 3 are connected through threads.

Further, the middle sleeve 1, the bottom sleeve 2 and the switching sleeve 3 are coaxially arranged.

In this technical scheme, because the subassembly structure that this structure provided has adopted multistage telescopic scheme, in order to make things convenient for quick butt joint between the three, consider simultaneously again guaranteeing joint strength's requirement, the threaded connection's of preferred adoption scheme can realize reducing and aim at required time, improves the efficiency of accurate counterpoint, can not lead to the rising of the installation degree of difficulty because of the increase of sleeve quantity, can not lead to influencing the emergence of the extra factor of production.

According to a preferred scheme, at least one group of structures among the middle sleeve 1, the bottom sleeve 2 and the adapter sleeve 3 is coated with anti-loose glue.

Furthermore, according to the consideration of actual needs, the glue can be dispensed among the middle sleeve 1, the bottom sleeve 2 and the tray metal plate, the glue can be dispensed between the bottom sleeve 2 and the switching sleeve 3, and the glue can be dispensed among the three.

In this technical scheme, consider the increase of structure quantity, but need guarantee joint strength, can adopt and carry out the rubber coating between intermediate sleeve 1, bottom sleeve 2 and adapter sleeve 3 two by two and handle, in addition, the rubber coating is handled and can not influence the outside shape of structure to and the structure of screw thread, can realize that tray fixed subassembly still has certain locking effect after undergoing multiple dismouting.

According to a preferred version, the intermediate sleeve 1 comprises;

an intermediate sleeve body 11, the intermediate sleeve body 11 surrounding a hollow cylindrical structure;

the bottom sleeve connector 12 is integrally arranged at one end of the middle sleeve body 11 in an extending mode, and the bottom sleeve connector 12 extends into a through hole preset by the tray sheet metal to extend out of the tray sheet metal;

An upper tray metal plate baffle 13, wherein the upper tray metal plate baffle 13 integrally extends outwards along the circumferential direction of the bottom sleeve connector 12 to form a structure propped against the side surface of the tray metal plate, the upper tray metal plate baffle 13 is arranged at one end of the bottom sleeve connector 12, which is close to the adapter sleeve 3, and the outer diameter of the upper tray metal plate baffle 13 is larger than the diameter of a tray metal plate preset through hole;

the adapter sleeve connecting end 14 is arranged at one end of the middle sleeve body 11 far away from the bottom sleeve connector 12, and the adapter sleeve connecting end 14 is arranged at the other end of the middle sleeve body 11.

Further, any one end of the middle sleeve body 11 can be a through hole or a blind hole according to the actual requirement of the product.

Further, the outer diameter of the bottom sleeve connector 12 is set corresponding to the inner diameter of the tray sheet metal preset through hole, and generally, the outer diameter of the bottom sleeve connector 12 is larger than the outer diameter of the middle sleeve body 11;

The outer diameter of the adapter sleeve connection end 14 corresponds to the outer diameter of the intermediate sleeve body 11.

In the technical scheme, considering that one end of the middle sleeve 1 is connected with the tray sheet metal, as the tray sheet metal is provided with the connected through hole, the end of the middle sleeve body 11 is integrally provided with the bottom sleeve connector 12 for inserting the through hole and connecting, in use, the bottom sleeve connector 12 is prevented from being inserted and transited, and one end of the bottom sleeve connector 12 close to the switching sleeve 3 is circumferentially integrally extended towards the outer side to form the upper tray sheet metal baffle 13 propped against the side surface of the tray sheet metal, so that the tray sheet metal has enough supporting function, quick positioning and mounting are realized, and the deformation condition around the tray sheet metal through hole can be avoided; while the other end of the intermediate sleeve 1 is provided with a adapter sleeve connection end 14 for connecting the adapter sleeve 3.

According to the preferred scheme, the structure that one side that goes up tray panel beating baffle 13 and be close to the tray panel beating is the horizontality, has seted up concave locking ring 15 on one side that goes up tray panel beating baffle 13 and be close to the tray panel beating.

Further, the anti-loose ring 15 and the middle sleeve 1 are coaxially arranged, and the anti-loose ring 15 is arranged close to the bottom sleeve connector 12.

In the technical scheme, the middle sleeve 1 is used for realizing connection with the tray metal plate, but the connection strength after connection is also considered, for this purpose, a locking ring 15 for accommodating a locking structure is arranged on one side of the upper tray metal plate baffle 13 close to the tray metal plate, and the locking ring 15 is preferably arranged close to the bottom sleeve connector 12, so that the gap between the locking structure and the tray metal plate connection through hole area is reduced, and the structure is more compact; in addition, can coat the locking glue in the locking ring 15 also can embolia the locking ring, utilize the silica gel circle that has elastic deformation to play the effect that increases frictional force, also can not produce the damage to the panel beating surface, increased the joint strength between middle sleeve 1 and the tray panel beating.

According to a preferred embodiment, the adapter sleeve connection end 14 is provided with annular grooves 16 on the outer circumference of the intermediate sleeve body 11, wherein a plurality of annular grooves 16 are arranged along the axial direction.

Further, the annular grooves 16 are continuously arranged to form a screw structure.

In the technical scheme, since the purpose of the adapter sleeve connecting end 14 is to be used for connecting the adapter sleeve 3, in order to realize the rapid installation of the adapter sleeve 3 and the middle sleeve 1, an annular groove 16 structure is adopted, so that the adapter sleeve 3 can be conveniently clamped in by the friction force formed by the annular groove 16 directly, or the rapid butt joint can be realized by the threads formed by the annular groove 16; meanwhile, the connection strength of the adapter sleeve 3 and the middle sleeve 1 after connection is considered, so that anti-loosening glue can be coated between the adapter sleeve 3 and the middle sleeve 1, the anti-loosening glue is coated in the annular groove 16, a plurality of anti-loosening glue layers are arranged in a layer-by-layer annular mode along the axial direction of the annular groove 16, and strong connectivity between the adapter sleeve 3 and the middle sleeve 1 is formed, and the occurrence of loosening after use is avoided.

According to the preferred scheme, the middle sleeve body 11 integrally extends on the outer peripheral ring of one end of the upper tray metal plate baffle 13 far away from the bottom sleeve connector 12 along the direction parallel to the tray metal plate to form a screwing block 17, and symmetrical bosses 18 are arranged on the outer peripheral ring of the screwing block 17;

the external diameter of the spin-on block 17 is smaller than the external diameter of the upper tray sheet metal baffle 13.

Further, the screwing blocks 17 are arranged in a step shape, the outer diameter of one end, far away from the bottom sleeve connector 12, of each screwing block 17 is gradually reduced, and each screwing block 17 is provided with a boss 18.

In this technical scheme, because through the screw thread installation between middle sleeve 1 and the bottom sleeve connector 12, in order to conveniently adjust middle sleeve 1 during the installation, then the one end that is close to bottom sleeve connector 12 at middle sleeve body 11 has designed the spin piece 17, has designed on the spin piece 17 and has had planar boss 18, can make things convenient for the centre gripping of spanner and other anchor clamps, improves availability factor.

According to a preferred version, the bottom sleeve 2 comprises:

The nut head 21 is provided with an outer hexagonal structure;

The lower tray sheet metal baffle 22 is integrally arranged on one side surface of the nut head 21, which is close to the tray sheet metal, and the outer diameter of the lower tray sheet metal baffle 22 is larger than that of the nut head 21;

The internal thread 23 is provided with a through hole of the bottom sleeve connector 12 in threaded connection in the nut head 21 and the lower tray sheet metal baffle 22, and the inner wall of the through hole is provided with the internal thread 23.

Further, the outer peripheral ring of the bottom sleeve connector 12 is provided with an external thread 19 corresponding to the internal thread 23 of the bottom sleeve 2.

In the technical scheme, in order to achieve the purpose of locking the middle sleeve 1 and the tray metal plate, the bottom sleeve 2 is provided with the outer hexagonal nut head 21 on one hand, so that the driving of a hexagonal wrench or a clamping piece is facilitated, and on the other hand, the lower tray metal plate baffle 22 corresponding to the upper tray metal plate baffle 13 is arranged on the upper end face and the lower end face of the tray metal plate in a propping way respectively, so that the contact area is increased, and the clamping effect on the metal plate is improved; and the bottom sleeve 2 has a simple structure, can reduce the size of parts and reduce the weight of the parts on the basis of ensuring the connection strength.

According to a preferred version, the adapter sleeve 3 comprises:

a transfer sleeve body 31, wherein the transfer sleeve body 31 surrounds to form a hollow cylindrical structure;

The limiting groove 32, one side of the transit sleeve body 31, which is close to the middle sleeve 1, is provided with the limiting groove 32 in the transit sleeve body 31, and the inner diameter of the limiting groove 32 is arranged corresponding to the outer diameter of the transit sleeve connecting end 14;

The upper end face 33 and the lower end face 34 integrally extend along the direction parallel to the tray sheet metal on the two axial ends of the adapter sleeve body 31 to form the upper end face 33 and the lower end face 34 with the outer diameter larger than that of the adapter sleeve body 31.

Further, the upper end face 33 and the lower end face 34 are each provided in a stepped shape.

In this technical scheme, utilize the switching sleeve 3 that has inside spacing recess 32 to realize with middle sleeve 1's quick structure of inserting, the inner structure both ends can be the same, can avoid the mistake in the manual operation in-process to take the confusing thing emergence that leads to, realize quick installation and spacing and install the effect in place.

According to a preferred embodiment, the end of the adapter sleeve body 31 remote from the intermediate sleeve 1 is provided in the form of a through-hole or blind hole.

In this technical scheme, in use, according to the leakproofness demand of product, the product bottom need not seal structure, then adapter sleeve 3 adopts the through-hole, if require waterproof or smoke protection to follow adapter sleeve 3's tip infiltration, then the adapter sleeve 3 of preferential can select blind hole structure.

According to the utility model, through a three-section structure, the middle sleeve and the bottom sleeve are connected with each other on the tray sheet metal, the other end of the middle sleeve is connected with the switching sleeve to realize the continuation of the connecting structure, the parts are tightly matched with each other, the part structure is reduced, the effect of reducing the weight of the parts is achieved, and the anti-loosening effect is achieved after the assembly is disassembled and assembled for many times by adding anti-loosening glue on the basis of ensuring the connecting strength of the multi-section assembly.

Preferred embodiments for carrying out the present utility model will be described in more detail below with reference to the attached drawings so that the features and advantages of the present utility model can be easily understood.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of another view of the present utility model, excluding the tray sheet metal;

FIG. 3 is an enlarged schematic view showing a three-dimensional structure of an intermediate sleeve according to the present utility model;

FIG. 4 is an enlarged perspective view of another perspective view of the intermediate sleeve according to the present utility model;

FIG. 5 is an enlarged perspective view of another view of the intermediate sleeve according to the present utility model;

FIG. 6 is an enlarged schematic view showing a perspective structure of the bottom sleeve according to the present utility model;

FIG. 7 is an enlarged schematic view showing a three-dimensional structure of the adapter sleeve according to the present utility model;

FIG. 8 is a front view of the adapter sleeve of the present utility model;

description of the reference numerals

1. The middle sleeve is provided with a plurality of grooves,

11. A middle sleeve body, a middle sleeve body and a middle sleeve body,

12. A bottom sleeve connector,

13. The metal plate baffle plate of the upper tray,

14. The connecting end of the switching sleeve is connected with the connecting end of the switching sleeve,

15. The anti-loose ring is arranged on the inner side of the lock cylinder,

16. An annular groove is arranged on the inner side of the groove,

17. The rotary joint block is connected with the rotary joint block,

18. A boss is arranged on the upper surface of the base,

19. An external thread;

2. a bottom sleeve, a bottom sleeve and a bottom sleeve,

21. The nut head is provided with a nut,

22. A sheet metal baffle plate of the lower tray,

23. An internal thread;

3. a transfer sleeve;

31. The adapter sleeve body is provided with a connecting sleeve body,

32. A limit groove is arranged on the upper surface of the frame,

33. The upper end face of the upper cover is provided with a groove,

34. A lower end surface.

Detailed Description

In order to make the objects, technical solutions and advantages of the technical solutions of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of specific embodiments of the present utility model. Like reference numerals in the drawings denote like parts. It should be noted that the described embodiments are some, but not all embodiments of the present utility model. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present utility model fall within the protection scope of the present utility model.

Possible embodiments within the scope of the utility model may have fewer components, have other components not shown in the drawings, different components, differently arranged components or differently connected components, etc. than the examples shown in the drawings. Furthermore, two or more of the elements in the figures may be implemented in a single element or a single element shown in the figures may be implemented as multiple separate elements.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Likewise, the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

The utility model provides a battery tray fixing assembly which is used in a new energy automobile process, the type of a battery tray is not limited, but the structure of the battery tray fixing assembly is particularly suitable for the installation requirement of the battery tray of the new energy automobile.

In general, the battery tray fixing assembly provided by the utility model mainly comprises a middle sleeve 1, a bottom sleeve 2 and an adapter sleeve 3. Therein, reference may be made to fig. 1, which shows the arrangement of the intermediate sleeve 1, the bottom sleeve 2, the adapter sleeve 3.

In order to achieve the purposes of reducing the size of the part, reducing the weight of the part and ensuring the connection strength, the size of the part which is used for fixing the battery tray is large, and meanwhile, the connection threads are also large, so that the following problems are caused: the increase of the size of the accessories can cause the weight of the parts to be increased, the weight of the whole vehicle to be increased, and the increased weight can reduce the endurance mileage of the vehicle because the weight is one of key factors of the endurance capacity of the new energy vehicle; the screw thread is done greatly and can only lead to guaranteeing the joint strength that once installs and removes needs, adjust production line and technological process and adapt to bigger size, thereby increase manufacturing cost, can increase the problem of the cost of maintenance degree of difficulty and change accessory, and for this reason, among the technical scheme that this embodiment provided, through the structure of syllogic, by middle sleeve 1 and bottom sleeve 2 interconnect on the tray panel beating, the continuation of connection structure is realized by switching sleeve 3 to the other end of middle sleeve 1, closely cooperate between two liang, reduce the part structure, reach the effect of reducing part own weight, can also be through increasing the locking glue, on realizing the basis that multistage formula subassembly guarantees joint strength, play the purpose that the subassembly is locking effect after dismouting many times still.

In order to improve the connection strength of the accessory structure for fixing the battery tray, the fixing assembly is made into a multi-section connection structure, as shown in fig. 1, and specifically comprises a middle sleeve 1, two axial ends of which are respectively connected to a tray metal plate and a transfer sleeve 3, a bottom sleeve 2 is arranged at one end of the middle sleeve 1 far away from the transfer sleeve 3, the transfer sleeve 3 is sleeved and arranged outside one end of the middle sleeve 1, and one end far away from the middle sleeve 1 is provided with a transfer sleeve connection end 14;

When in use, the connecting hole penetrating through the middle sleeve 1 is preset on the tray metal plate, the middle sleeve 1 penetrates through the connecting hole and the bottom sleeve 2 to be tightly connected on the tray metal plate, the connecting strength between the middle sleeve 1 and the tray metal plate can be ensured through the structure of the middle sleeve and the middle sleeve, the other end of the middle sleeve 1 is connected with the rest structure through the switching sleeve 3, the tight connection with the other end structural member can be realized through the structure of the middle sleeve, the singleness of the integral structure in the prior art is replaced, the weight increase condition caused by the fact that the integral structure is greatly reduced by utilizing the multi-section structure, and in addition, on the basis of ensuring the connecting strength, the structure of the switching sleeve 3 for connection can be adjusted and replaced adaptively according to the matching structure, so that the flexibility is improved.

As described above, since the component structure provided by the structure adopts the scheme of the multi-section sleeve, the three parts of the middle sleeve 1, the bottom sleeve 2 and the adapter sleeve 3 are coaxially arranged in the structure, so as to realize quick butt joint between the three parts, and meanwhile, the requirement of ensuring the connection strength is considered, the scheme of threaded connection among the three parts of the middle sleeve 1, the bottom sleeve 2 and the adapter sleeve 3 is preferably adopted, so that the time required for alignment can be reduced, the precision alignment efficiency is improved, the mounting difficulty can not be increased due to the increase of the number of the sleeves, and the occurrence of additional factors affecting the production can not be caused.

On this basis, in order to further guarantee joint strength, be difficult for not hard up after the installation, consider the increase of structure quantity simultaneously, but need guarantee joint strength's basis on, according to actual need consideration, can carry out the point between middle sleeve 1, bottom sleeve 2 and tray panel beating and glue, also can carry out the point between bottom sleeve 2 and switching sleeve 3 and glue, also can all carry out the point between the three and glue, in addition, the glue coating is handled can not influence the outside shape of structure to and the structure of screw thread, can realize that tray fixed subassembly still has certain locking effect after undergoing multiple dismouting.

Because the middle sleeve 1 is used as a connecting bridge between the tray metal plate and the adapter sleeve 3 at the other end, the structure of the middle sleeve 1 needs to be specifically described, the middle sleeve body 11 is surrounded to form a hollow cylindrical structure, from top to bottom, the purpose of one end of the middle sleeve 1 is to be connected with the tray metal plate, and because the tray metal plate is preset with a connecting through hole, a bottom sleeve connector 12 for inserting the through hole is integrally extended and arranged at one end of the middle sleeve body 11 for connecting, the bottom sleeve connector 12 is integrally extended and arranged at one end of the middle sleeve body 11, the outer diameter of the bottom sleeve connector 12 is arranged corresponding to the inner diameter of the tray metal plate preset through hole, and the outer diameter of the bottom sleeve connector 12 is generally larger than the outer diameter of the middle sleeve body 11; next, in use, the bottom sleeve connector 12 is prevented from being inserted and transited, one end of the bottom sleeve connector 12 close to the transfer sleeve 3 circumferentially integrally extends towards the outside to form an upper tray metal plate baffle 13 propped against the side surface of the tray metal plate, the upper tray metal plate baffle 13 is arranged on one end of the bottom sleeve connector 12 close to the transfer sleeve 3, the outer diameter of the upper tray metal plate baffle 13 is larger than the diameter of a preset through hole of the tray metal plate, the tray metal plate is supported sufficiently, quick positioning and mounting are realized, and deformation conditions around the through hole of the tray metal plate can be avoided; finally, a transfer sleeve connection end 14 is provided at the end of the intermediate sleeve body 11 remote from the bottom sleeve connection head 12 for connecting the transfer sleeve 3, the outer diameter of the transfer sleeve connection end 14 being identical to the outer diameter of the intermediate sleeve body 11.

The middle sleeve 1 is used for realizing connection with the tray metal plate, so that one side of the upper tray metal plate baffle 13, which is close to the tray metal plate, is in a horizontal structure, but the connection strength after connection is also considered, further, a locking ring 15 for accommodating a locking structure is arranged on one side of the upper tray metal plate baffle 13, which is close to the tray metal plate, and the locking ring 15 and the middle sleeve 1 are coaxially arranged, and the locking ring 15 is preferably arranged close to the bottom sleeve connector 12, so that the gap between the locking structure and the tray metal plate connection through hole area is reduced, and the structure is more compact; in addition, can coat the locking glue in the locking ring 15 also can embolia the locking ring, utilize the silica gel circle that has elastic deformation to play the effect that increases frictional force, also can not produce the damage to the panel beating surface, increased the joint strength between middle sleeve 1 and the tray panel beating.

Regarding the intermediate sleeve 1, in the present embodiment, since the adapter sleeve connection end 14 is used for connecting the adapter sleeve 3, in order to achieve rapid installation of the adapter sleeve 3 and the intermediate sleeve 1, an annular groove 16 structure is adopted for this purpose, so that the adapter sleeve 3 can be conveniently snapped in directly by friction force formed by the annular groove 16, or rapid butt joint can be achieved by threads formed by the annular groove 16; meanwhile, the connection strength of the adapter sleeve 3 and the middle sleeve 1 after connection is considered, so that anti-loosening glue can be coated between the adapter sleeve 3 and the middle sleeve 1, the anti-loosening glue is coated in the annular groove 16, a plurality of anti-loosening glue layers are arranged in a layer-by-layer annular mode along the axial direction of the annular groove 16, and strong connectivity between the adapter sleeve 3 and the middle sleeve 1 is formed, and the occurrence of loosening after use is avoided.

In this embodiment, preferably, the middle sleeve body 11 integrally extends on the outer peripheral ring of one end of the upper tray metal plate baffle 13 far away from the bottom sleeve connector 12 along the direction parallel to the tray metal plate to form a screwing block 17, the screwing block 17 is provided with a step shape, the outer diameter of one end of the screwing block 17 far away from the bottom sleeve connector 12 is gradually reduced, and a symmetrical boss 18 is arranged on the outer peripheral ring of the screwing block 17; because install through the screw thread between middle sleeve 1 and the bottom sleeve connector 12, in order to conveniently adjust middle sleeve 1 during the installation, then the one end that is close to bottom sleeve connector 12 at middle sleeve body 11 has designed the spin-on piece 17, has designed the boss 18 that has the plane on the spin-on piece 17, can make things convenient for the centre gripping of spanner and other anchor clamps, improves availability factor.

Regarding the bottom sleeve 2, in order to achieve the purpose of locking the middle sleeve 1 and the tray sheet metal, the bottom sleeve 2 is provided with an outer hexagonal nut head 21 on one hand, so that the driving of a hexagonal wrench or a clamping piece is facilitated; on the other hand, the lower tray metal plate baffle 22 is arranged corresponding to the upper tray metal plate baffle 13, the lower tray metal plate baffle 22 is integrally arranged on one side surface of the nut head 21 close to the tray metal plate, the outer diameter of the lower tray metal plate baffle 22 is larger than that of the nut head 21, the lower tray metal plate baffle 22 is respectively propped against the upper end surface and the lower end surface of the tray metal plate, the contact area is increased, the clamping effect on the metal plate is improved, the bottom sleeve 2 is simple in structure, the size of a part can be reduced on the basis of ensuring the connection strength, and the weight of the part per se is reduced;

when the bottom sleeve 2 is connected with the middle sleeve 1, a through hole of the bottom sleeve connector 12 in threaded connection is formed in the nut head 21 of the bottom sleeve 2 and the lower tray metal plate baffle 22, an inner thread 23 is formed on the inner wall of the through hole, an outer thread 19 is arranged on the outer periphery of the bottom sleeve connector 12 corresponding to the inner thread 23 of the bottom sleeve 2, and fastening is achieved through threaded connection of the inner thread 23 and the outer thread 19.

As shown in fig. 4, the adapter sleeve 3 is provided with limit grooves 32 along the axial two ends of the adapter sleeve body 31 surrounding the hollow cylindrical structure, the inner diameter of each limit groove 32 is corresponding to the outer diameter of the adapter sleeve connecting end 14, the adapter sleeve 3 with the inner limit groove 32 is utilized to realize a rapid inserting structure with the middle sleeve 1, the two ends of the inner structure can be the same, the occurrence of confusion caused by mishandling in the manual operation process can be avoided, and the rapid installation, limit and in-place installation effects are realized; and on the axial both ends of adapter sleeve body 31 along being on a parallel with the integrative extension of direction of tray panel beating form the external diameter be greater than the up end 33 and the lower terminal surface 34 of adapter sleeve body 31, up end 33 and lower terminal surface 34 all set up respectively and are echelonment, are convenient for the manual work and hold, improve installation effectiveness.

Further, the end of the transit sleeve body 31 far away from the middle sleeve 1 is provided with a through hole or a blind hole, and as such, any one end of the middle sleeve body 11 of the middle sleeve 1 can be provided with a through hole or a blind hole according to the actual requirement of a product, so that in use, according to the sealing requirement of the product, the bottom of the product is not required to be provided with a sealing structure, the transit sleeve 3 and the middle sleeve body 11 adopt the through holes, and if water resistance or smoke prevention is required to infiltrate from the ends of the transit sleeve 3 and the middle sleeve body 11, the transit sleeve 3 or the middle sleeve body 11 with the blind hole structure can be preferentially selected.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (10)

1. A battery tray securing assembly, comprising:

The two axial ends of the middle sleeve (1) are respectively connected to the tray metal plate and the switching sleeve (3), and a hollow structure is formed in the middle sleeve (1);

The bottom sleeve (2) is arranged at one end, far away from the adapter sleeve (3), of the middle sleeve (1), and a tray metal plate is tightly arranged between the bottom sleeve (2) and the middle sleeve (1);

The connecting sleeve (3), the one end outside of installing at intermediate sleeve (1) is established to connecting sleeve (3), and the one end of keeping away from intermediate sleeve (1) is provided with connecting sleeve link (14).

2. The battery tray fixing assembly according to claim 1, wherein the middle sleeve (1), the bottom sleeve (2) and the adapter sleeve (3) are connected through threads.

3. The battery tray fixing assembly according to claim 2, wherein at least one set of the inter-structure spaces between the middle sleeve (1), the bottom sleeve (2) and the adapter sleeve (3) are coated with anti-loose glue.

4. A battery tray securing assembly according to claim 3, characterized in that the intermediate sleeve (1) comprises;

An intermediate sleeve body (11), the intermediate sleeve body (11) surrounding a hollow cylindrical structure;

The bottom sleeve connector (12) is integrally arranged at one end of the middle sleeve body (11) in an extending mode, and the bottom sleeve connector (12) stretches into a through hole preset by the tray sheet metal to stretch out of the tray sheet metal;

The upper tray sheet metal baffle (13), the upper tray sheet metal baffle (13) integrally extends towards the outer side along the circumferential direction of the bottom sleeve connector (12) to form a structure propped against the side surface of the tray sheet metal, the upper tray sheet metal baffle (13) is arranged at one end of the bottom sleeve connector (12) close to the adapter sleeve (3), and the outer diameter of the upper tray sheet metal baffle (13) is larger than the diameter of a tray sheet metal preset through hole;

The connecting end (14) of the transfer sleeve is arranged at one end, far away from the bottom sleeve connector (12), of the middle sleeve body (11).

5. The battery tray fixing assembly according to claim 4, wherein one side of the upper tray metal plate baffle (13) close to the tray metal plate is of a horizontal structure, and a concave anti-loosening ring (15) is arranged on one side of the upper tray metal plate baffle (13) close to the tray metal plate.

6. The battery tray fixing assembly according to claim 5, wherein the adapter sleeve connecting end (14) is provided with annular grooves (16) on the outer circumference of the intermediate sleeve body (11), and the annular grooves (16) are provided in plurality along the axial direction.

7. The battery tray fixing assembly according to claim 6, wherein the middle sleeve body (11) integrally extends on the outer peripheral ring of one end of the upper tray metal plate baffle (13) far away from the bottom sleeve connector (12) along the direction parallel to the tray metal plate to form a screwing block (17), and symmetrical bosses (18) are arranged on the outer peripheral ring of the screwing block (17);

The outer diameter of the spin-on block (17) is smaller than the outer diameter of the upper tray sheet metal baffle (13).

8. The battery tray securing assembly according to claim 7, characterized in that the bottom sleeve (2) comprises:

The nut head (21) is provided with an outer hexagonal structure;

The lower tray metal plate baffle (22) is integrally arranged on one side surface of the nut head (21) close to the tray metal plate, and the outer diameter of the lower tray metal plate baffle (22) is larger than that of the nut head (21);

The inner screw thread (23) is provided with a through hole of the bottom sleeve connector (12) in threaded connection in the nut head (21) and the lower tray metal plate baffle (22), and the inner wall of the through hole is provided with the inner screw thread (23).

9. The battery tray securing assembly according to claim 8, characterized in that the adapter sleeve (3) comprises:

a transfer sleeve body (31), wherein the transfer sleeve body (31) surrounds a hollow cylindrical structure;

The limiting groove (32), one side of the switching sleeve body (31) close to the middle sleeve (1) is provided with the limiting groove (32) in the switching sleeve body (31), and the inner diameter of the limiting groove (32) is arranged corresponding to the outer diameter of the switching sleeve connecting end (14);

The upper end face (33) and the lower end face (34), and the upper end face (33) and the lower end face (34) with the outer diameter larger than the adapter sleeve body (31) are integrally formed on the two axial ends of the adapter sleeve body (31) along the direction parallel to the tray sheet metal.

10. The battery tray securing assembly according to claim 9, characterized in that the end of the adapter sleeve body (31) remote from the intermediate sleeve (1) is provided in the form of a through-hole or blind hole.