CN211543235U

CN211543235U - Mounting structure

Info

Publication number: CN211543235U
Application number: CN201922484674.4U
Authority: CN
Inventors: 管月芹; 陈铄; 李伟萍; 马显; 赵峰昌; 许彦超; 张曼; 杨志广; 刘朋; 魏庆; 张露
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-22
Anticipated expiration: 2029-12-31

Abstract

The embodiment relates to a mounting structure, which is used for mounting a workpiece on an external carrier, wherein a connecting end is arranged on the external carrier, the mounting structure comprises an accommodating part, an elastic part and a matching part, the accommodating part is positioned on the workpiece and is provided with an accommodating cavity, an opening penetrating through the accommodating cavity is formed at one axial end of the accommodating part, and a through hole arranged corresponding to the connecting end is formed at the other axial end of the accommodating part; the elastic part is positioned in the containing cavity and can elastically stretch along the radial direction of the containing cavity; the matching part can enter the containing cavity from the opening and bear external operating force, the matching part can extrude the elastic part and is connected with the connecting end, so that the workpiece is clamped between the matching part and the external carrier, and when the external operating force is removed, the elastic part can be abutted against the matching part along the connecting direction of the matching part due to return. The utility model discloses can form mechanical locking to cooperation portion to can improve the fastness of finished piece installation on outside carrier, the dismouting of the finished piece of also being convenient for simultaneously.

Description

Mounting structure

Technical Field

The utility model relates to a new energy automobile's spare part installation technical field, in particular to can be used to battery package mounting structure of installation on the automobile body.

Background

The new energy automobile is more and more popular due to the advantages of low carbon, environmental protection and the like. The problem of electric energy supplement of the new energy automobile has an important influence on the use of the new energy automobile, and if the battery of the electric automobile is charged for a long time, the new energy automobile is inconvenient for a user to go out. Therefore, if the battery pack of the new energy automobile can be used for quickly supplementing power, the use is convenient. At present, the battery package generally arranges below automobile body chassis to fix with a plurality of detachable bolts or nuts, the fastening point is counted a lot, not only the artifical dismouting of being not convenient for, and make and change the battery loaded down with trivial details, simultaneously, at vehicle operation in-process, also easily lead to being connected between bolt and the nut not hard up, and reduced new energy automobile's safety in utilization.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to a mounting structure, which can improve the mounting firmness of a workpiece on an external carrier and facilitate the assembly and disassembly of the workpiece.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a mounting structure for constituting a mounting of an article on an external carrier, the external carrier being provided with a connection end for mounting the article, the mounting structure comprising:

the accommodating part is positioned on the workpiece and is provided with an accommodating cavity, an opening penetrating through the accommodating cavity is formed at one axial end of the accommodating part, and a through hole arranged corresponding to the connecting end is formed at the other axial end of the accommodating part;

the elastic part is positioned in the accommodating cavity and can elastically stretch along the radial direction of the accommodating cavity;

the matching part can enter the accommodating cavity from the opening and is supported by external operating force, the matching part can extrude the elastic part to contract along the radial direction of the accommodating cavity and is connected with the connecting end, so that the workpiece is clamped between the matching part and the external carrier, and when the external operating force is removed, the elastic part can abut against the matching part along the connecting direction of the matching part due to return.

Furthermore, the accommodating part is provided with a disengagement preventing part for limiting the matching part to disengage from the accommodating cavity.

Furthermore, the anti-dropping part comprises a limit reed positioned on the inner wall of the accommodating cavity, and a notch which can allow the limit reed to deform radially is formed on the limit reed.

Furthermore, a plurality of through holes are formed in the limiting reed and are arranged at intervals along the circumferential direction of the limiting reed.

Furthermore, the elastic part comprises a plurality of elastic pieces which radially protrude into the accommodating cavity, and each elastic piece is bent to form a tight abutting end for abutting against the matching part.

Furthermore, the elastic piece is formed by the accommodating part, and the position of the accommodating part corresponding to the elastic piece is hollowed out.

Further, a guide portion is configured on the fitting portion to guide the elastic portion to expand and contract radially.

Further, the matching portion is a nut formed with an internal thread, and the connecting end is a bolt provided with an external thread and arranged on the external carrier.

Further, the mounting structure further includes:

and the force transmission part is connected with the matching part in an inserted manner, is arranged to bear the external operating force and transmits the external operating force to the matching part.

Furthermore, an inserting end with a polygonal section is constructed on the matching portion, the force transmission portion comprises a sleeve matched with the inserting end, one end of the sleeve is connected with the inserting end in an inserting mode, and the other end of the sleeve can form connection with an external driving device for outputting the external operating force.

Compared with the prior art, the utility model discloses following advantage has:

(1) the mounting structure of the utility model can form a mechanical lock on the matching part by arranging the elastic part in the accommodating cavity and enabling the elastic part to be tightly propped against the matching part along the connecting direction of the matching part, thereby effectively avoiding the connection between the matching part and the connecting end from loosening and further improving the firmness of the mounting of a workpiece on an external carrier; in addition, the matching part can extrude the elastic part to stretch along the radial direction of the accommodating cavity, so that the matching part and the connecting end can be conveniently disassembled and assembled, and the quick disassembly and assembly of a workpiece can be realized.

(2) The anti-falling part is arranged, so that the matching part is always positioned in the accommodating cavity, the matching part does not need to be specially taken down and stored when the workpiece is disassembled, and the workpiece is convenient to install again.

(3) The anti-falling part adopts a limiting reed, and is simple in structure and convenient to design and implement.

(4) Through construct a plurality of perforating holes on spacing reed, be favorable to spacing reed radial deformation to can be convenient for spacing reed in the installation of acceping the intracavity.

(5) The elastic piece is bent to form the abutting end abutting against the matching part, so that the abutting force applied to the matching part by the abutting end can be increased, and the looseness of connection between the matching part and the connecting end can be effectively prevented.

(6) The elastic piece is formed by the accommodating part, and is convenient to process and manufacture.

(7) The guide part is arranged, so that the elastic piece can be stretched and contracted in the radial direction.

(8) The matching part adopts a nut, the connecting end adopts a bolt, the structure is simple, and the design and implementation are convenient.

(9) Through setting up biography power portion, can be convenient for realize the dismouting of cooperation portion outside accepting the chamber to can realize the quick assembly disassembly of finished piece on outside carrier.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural diagram of a mounting structure according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic structural diagram of a connection end according to an embodiment of the present invention;

fig. 4 is another schematic structural diagram of the connection end according to the embodiment of the present invention;

fig. 5 is a schematic structural view of a bushing according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a nut according to an embodiment of the present invention;

fig. 7 is a schematic half-sectional view of a nut according to an embodiment of the present invention;

fig. 8 is a top view of a nut according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a limiting spring according to an embodiment of the present invention;

fig. 10 is a front view of a spacing reed according to an embodiment of the present invention;

fig. 11 is another schematic structural view of the anti-separation part according to the embodiment of the present invention;

fig. 12 is a schematic structural view of a sleeve according to an embodiment of the present invention;

fig. 13 is an axial cross-sectional view of a sleeve according to an embodiment of the present invention;

fig. 14 is a front view of a sleeve according to an embodiment of the present invention;

fig. 15 is an initial state diagram of the battery pack mounted on the metal plate of the vehicle body according to the embodiment of the present invention;

fig. 16 is a middle state diagram of the battery pack mounted on the metal plate of the vehicle body according to the embodiment of the present invention;

fig. 17 is a final state diagram of the installation of the battery pack on the metal plate of the vehicle body according to the embodiment of the present invention;

fig. 18 is a schematic view of the installation of the battery pack on the metal plate of the vehicle body according to the embodiment of the present invention;

description of reference numerals:

1-a battery pack and 2-a mounting plate;

3-bushing, 301-card slot;

4-nut, 401-major diameter section, 4011-first guiding inclined plane, 4012-second guiding inclined plane;

5-limiting reed, 501-opening, 502-through hole;

6-vehicle body sheet metal, 7-bolt;

8-elastic piece, 801-abutting end;

9-sleeve, 901-attachment hole.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment relates to a mounting structure, which is used for mounting a workpiece on an external carrier, wherein a connecting end for mounting the workpiece is arranged on the external carrier, and the mounting structure mainly comprises a containing part, an elastic part and a matching part on the whole. The accommodating part is positioned on the workpiece and is provided with an accommodating cavity, one axial end of the accommodating part is provided with an opening penetrating through the accommodating cavity, and the other axial end of the accommodating part is provided with a through hole arranged corresponding to the connecting end. The elastic part is positioned in the containing cavity and can elastically stretch along the radial direction of the containing cavity. The matching part can enter the containing cavity from the opening and bear external operating force, the matching part can extrude the elastic part to contract along the radial direction of the containing cavity and is connected with the connecting end, so that the workpiece is clamped between the matching part and the external carrier, and when the external operating force is removed, the elastic part can be abutted against the matching part along the connecting direction of the matching part due to return.

In the mounting structure of the embodiment, the elastic part is arranged in the accommodating cavity and abuts against the matching part along the connecting direction of the matching part, so that mechanical locking can be formed on the matching part, the connection between the matching part and the connecting end can be effectively prevented from being loosened, and the firmness of mounting a workpiece on an external carrier can be improved; in addition, the matching part can extrude the elastic part to stretch along the radial direction of the accommodating cavity, so that the matching part and the connecting end can be conveniently disassembled and assembled, and the quick disassembly and assembly of a workpiece can be realized.

Based on the above design concept, an exemplary structure of the mounting structure of the present embodiment is as shown in fig. 1 and fig. 2, and it is specifically described by taking the product as the battery pack 1 and the external carrier as the vehicle body of the new energy vehicle as an example, and of course, the product and the external carrier of the present embodiment may also be other components and a mounting base for mounting and carrying the components, besides the battery pack 1 and the vehicle body of the new energy vehicle.

As shown in fig. 3 in combination with fig. 2, in order to facilitate the installation of the battery pack 1 on the vehicle body, the connection end of the present embodiment is specifically a bolt 7 with an external thread provided on the vehicle body metal plate 6, and the matching portion is a nut 4 with an internal thread. And to facilitate the alignment between the bolt 7 and the nut 4, a reduced diameter guide section is configured at the end of the bolt 7. Of course, instead of the connecting end being the bolt 7 and the mating portion being the nut 4, as shown in fig. 4, the connecting end is the nut 4 fixedly connected to the vehicle body metal plate 6, and the mating portion is the bolt 7 having an external thread.

Specifically, as shown in fig. 5, the battery pack 1 is provided with an attachment plate 2 that is disposed to extend outward, and the receiving portion is a bush 3 that is fixed to the attachment plate 2 and has the opening formed at one end. The bush 3 is of a thin-walled structure and has a length greater than that of the nut 4, and the housing cavity is defined by an inner space of the bush 3. In addition, in order to improve the installation effect, as shown in fig. 5, one end of the bushing 3 fixedly connected to the mounting plate 2 is closed, and the through hole is formed at the closed end and penetrates through the mounting plate 2. And in order to facilitate the bolt 7 to enter the accommodating cavity through the through hole, the through hole is specially constructed into a conical shape, and the small-diameter end of the through hole is communicated with the accommodating cavity. In addition, a snap groove 301 is formed at one end of the opening of the bush 3, and the snap groove is circumferentially arranged on the ring and used for snap-fitting a limit spring 5.

Still as shown in fig. 5, the elastic portion includes a plurality of elastic pieces 8 protruding into the receiving cavity in a radial direction, and based on the specific structure of the bushing 3, the elastic pieces 8 of the present embodiment are formed by the bushing 3 itself, so that the bushing 3 is hollowed out at a position corresponding to each elastic piece 8. In addition, in order to improve the tightening effect of the elastic pieces 8 on the nut 4, as shown in fig. 5, each elastic piece 8 is bent to form a tightening end 801 for abutting against the nut 4, and further, each elastic piece 8 has two bent portions. Further, based on the cylindrical structure of the nut 4, in order to improve the tightening stability of the nut 4, the respective elastic pieces 8 of the present embodiment are preferably uniformly arranged in the circumferential direction of the bush 3. It should be noted that, in the specific design, the distance between the abutting end 801 and the closed end of the bushing 3 needs to be slightly smaller than the length of the large-diameter section 401, so that the elastic piece 8 can apply the abutting force to the nut 4.

In this embodiment, the nut 4 is constructed as shown in fig. 6 to 8, and includes a large diameter section 401 and a small diameter end, and the internal thread is provided through the large diameter section 401 and the small diameter section. And as shown in fig. 7, in order to facilitate the alignment between the nut 4 and the bolt 7, the end of the internal thread formed on the large diameter section 401 is provided with an external chamfer. In addition, a guide portion for guiding the elastic portion to expand and contract in a radial direction is formed on the nut 4, and as shown in fig. 7, the guide portion specifically includes a first guide inclined surface 4011 and a second guide inclined surface 4012 which are respectively formed on the large diameter section 401.

As a preferable embodiment, the first and second guide slopes 4011 and 4012 of the present embodiment are symmetrically arranged with respect to the axial center plane of the large diameter section 401. In addition, a plug end with a polygonal cross section is formed on the small diameter section, and the cross section of the plug end is gradually reduced along a direction away from the large diameter section 401, so that the plug end can be conveniently inserted into the sleeve 9 and connected with the sleeve 9.

In order to improve the use effect, especially to prevent the nut 4 from coming off from the receiving cavity, in this embodiment, an anti-coming-off portion is provided in the bush 3. As shown in fig. 9 and 10 in combination with fig. 2, the anti-separation part is specifically an annular limiting spring 5, and the inner diameter of the limiting spring 5 is greater than the outer diameter of the insertion end of the nut 4, and is specifically clamped in the clamping groove 301 to realize the positioning on the bushing 3. In addition, the limiting reed 5 is provided with a notch 501 which can allow the limiting reed to deform in the radial direction, therefore, when the limiting reed 5 is clamped into the clamping groove 301, the limiting reed 5 is firstly extruded in the radial direction, so that the outer diameter of the limiting reed 5 is smaller than the inner diameter of the bushing 3, and when the limiting reed 5 enters the position of the clamping groove 301, the limiting reed 5 is released, and the limiting reed 5 can be clamped into the clamping groove 301 due to self return of the limiting reed 5. Further, in order to facilitate the application of the radial pressing force to the stopper reed 5, as shown in fig. 10, a plurality of through holes 502 arranged at intervals in the circumferential direction thereof are configured on the stopper reed 5, and preferably, the through holes 502 are arranged uniformly in the circumferential direction of the stopper reed 5.

It should be noted that, in addition to the above-mentioned limit spring 5, as shown in fig. 11, the retaining portion is an internal thread formed at one end of the opening of the bushing 3, and an external thread screwed with the internal thread is configured on the outer circumferential surface of the large diameter section 401, so that the nut 4 can be screwed on the bushing 3, and the nut 4 can be prevented from being removed from the receiving cavity, and the retaining portion can also have a retaining function.

In addition, since the length of the nut 4 is smaller than that of the bush 3, in order to facilitate the detachment and installation between the nut 4 and the bolt 7, the mounting structure of the present embodiment further includes a force transmission portion which is connected to the nut 4 in an insertion manner, and is configured to receive an external operating force and transmit the external operating force to the nut 4. As shown in fig. 12 to 15, the force transmission part of this embodiment is specifically a sleeve 9, which is a cylindrical structure as a whole, and one end of the sleeve 9 is open and disposed, and the other end is formed with a connection hole 901.

As shown in fig. 12, the connection hole 901 is a square hole for connecting with an external driving device outputting an external operation force, wherein the external driving device may be a motor outputting a rotation power, and a fastening end adapted to the connection hole 901 is configured on an output shaft of the motor. In order to facilitate the insertion of the sleeve 9 into the insertion end, as shown in fig. 12 and 13, the inner wall of the sleeve 9 is configured to be adapted to the insertion end, so that the connection between the nut 4 and the sleeve 9 can be realized by the insertion of the insertion end into the sleeve 9, and the transmission of the external operating force received by the sleeve 9 to the nut 4 can be realized.

Based on the specific structure of the above-described mounting structure, and as shown in fig. 15 to 18, the process of mounting the battery pack 1 on the vehicle body metal plate 6 will be described in detail below. Firstly, a nut 4 is plugged into a bush 3, the plugging end of the nut 4 faces to one end of an opening of the bush 3, and then a limit reed 5 is clamped in a clamping groove 301; the through-holes in the mounting plate 2 are then placed in register with the bolts 7 on the vehicle body and the bolts 7 are extended into the receiving cavities. At the moment, the nut 4 enables the insertion end to be inserted into the limiting spring leaf 5 under the action of gravity, and then the sleeve 9 is respectively connected with the motor and the insertion end; then, as shown in fig. 16, the sleeve 9 and the nut 4 are lifted upward until the nut 4 is fitted over the bolt 7, and then the motor is started to output the rotational power to achieve the connection between the nut 4 and the bolt 7.

When the nut 4 is screwed to the bolt 7, each elastic sheet 8 is pressed, and each elastic sheet 8 is radially compressed under the guidance of the first guide inclined surface 4011; after the nut 4 is screwed in place, each elastic piece 8 is preliminarily returned under the elasticity of the elastic piece, and the abutting end 801 is preliminarily abutted against the end part of the large-diameter section 401 due to the guiding of the second guiding inclined plane 4012. When the motor is moved downwards, the elastic piece 8 continues to return along with the separation of the motor driving sleeve 9 from the insertion end, and the abutting end 801 completely abuts against the large-diameter section 401, so that mechanical locking can be formed on the nut 4, the nut 4 can be effectively prevented from loosening reversely, and the installation firmness of the battery pack 1 on the vehicle body metal plate 6 can be improved.

The mounting structure of this embodiment, not only can improve the installation fastness of battery package 1 on automobile body panel beating 6, and simultaneously, when dismantling battery package 1, sleeve 9 stretches into earlier and accepts the intracavity, and link to each other with the grafting of grafting end grafting, and sleeve 9 can extrude the radial shrink of flexure strip 8, at this moment, can be along with the unscrewing of nut 4, and make second guide inclined plane 4012 and flexure strip 8 meet mutually, and guide flexure strip 8 continues radial shrink, thereby can be convenient for the dismantlement of nut 4, also be convenient for the dismantlement of battery package 1, thereby can be convenient for trade the electricity fast. In addition, because the limiting spring leaf 5 is clamped in the clamping groove 301, the nut 4 does not need to be taken down for storage, and therefore when the battery pack 1 is installed again, the nut 4 does not need to be taken out; in addition, through the preset of nut 4 in bush 3, a plurality of mounting points of synchronous operation of accessible current intelligent machine to can realize the quick replacement of battery package 1, and the use of the new energy automobile of being convenient for.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A mounting structure for use in forming a mounting of an article on an external carrier, characterized by: be equipped with on the outside carrier and be used for the link of finished piece installation, just mounting structure includes:

2. The mounting structure according to claim 1, wherein: the accommodating part is provided with an anti-falling part for limiting the matching part to fall out of the accommodating cavity.

3. The mounting structure according to claim 2, wherein: the anti-falling part comprises an annular limiting reed (5) positioned on the inner wall of the accommodating cavity, and a notch (501) capable of allowing the limiting reed (5) to deform in the radial direction is formed in the limiting reed (5).

4. The mounting structure according to claim 3, wherein: a plurality of through holes (502) are formed in the limit spring (5) and are arranged at intervals along the circumferential direction of the limit spring (5).

5. The mounting structure according to claim 1, wherein: the elastic part comprises a plurality of elastic pieces (8) which radially protrude into the accommodating cavity, and each elastic piece (8) is bent to form a tight abutting end (801) for abutting against the matching part.

6. The mounting structure according to claim 5, wherein: the elastic piece (8) is formed by the accommodating part, and the position of the accommodating part corresponding to the elastic piece (8) is hollowed.

7. The mounting structure according to claim 1, wherein: the matching part is provided with a guiding part which is used for guiding the elastic part to expand and contract in the radial direction.

8. The mounting structure according to claim 1, wherein: the matching part is a nut (4) with an internal thread, and the connecting end is a bolt (7) with an external thread arranged on the external carrier.

9. The mounting structure according to any one of claims 1 to 8, further comprising:

10. The mounting structure according to claim 9, wherein: the matching part is provided with a plug-in end with a polygonal section, the force transmission part comprises a sleeve (9) matched with the plug-in end, one end of the sleeve (9) is connected with the plug-in end in a plug-in mode, and the other end of the sleeve can form connection with an external driving device for outputting the external operating force.