CN217969715U

CN217969715U - Pre-hanging device

Info

Publication number: CN217969715U
Application number: CN202221489010.2U
Authority: CN
Inventors: 赵文博; 谢丽; 李天奇; 宋亚东; 李俊超
Original assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Liankong Technologies Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Liankong Technologies Co Ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-12-06
Anticipated expiration: 2032-06-14

Abstract

The application relates to the field of automobile accessories, in particular to a pre-hanging device which comprises a first rotating assembly, a second rotating assembly and a pre-hanging tray; the first rotating assembly comprises a first handle part, a shaft sleeve and a first locking structure which are fixedly connected; the shaft sleeve is arranged between the first handle part and the first locking structure; the second rotating component comprises a second handle part, a rotating shaft and a second locking structure which are fixedly connected; the rotating shaft is arranged between the second handle part and the second locking structure; the rotating shaft is rotatably connected with the shaft sleeve, and the shaft sleeve is connected with the pre-hanging tray. The pre-hanging device is high in self-assembling efficiency, the assembling efficiency of the target fitting and the counter fitting can be improved, the locking structure can be directly matched and connected through the hanging hole of the target fitting, extra mounting hole positions are prevented from being additionally arranged on the target fitting, and the mounting efficiency is improved; and this application hangs the device in advance and is detachable, and assembly efficiency is higher, makes the target accessory hang the device in advance and possesses the commonality to can dismantle recovery and reuse, reduce whole car manufacturing cost.

Description

Pre-hanging device

Technical Field

The application relates to the field of auto parts, in particular to a pre-hanging device.

Background

In the assembly process of automobile parts, different pre-hanging devices are often used to meet the assembly requirements of different parts of the automobile. For example, pre-hanging devices of different structures are used in assembly of accessories such as a ceiling, a wheel cover, a sound and heat insulation pad outside a vehicle body, a rear protection plate and the like, the pre-hanging devices in the prior art are generally assembled on vehicle accessories in an alphabetical buckle mode, however, the alphabetical buckle has strict requirements on the installation point of the accessories, corresponding requirements on the buckle points required by different accessories are met, the assembly time is seriously influenced, and therefore the assembly efficiency of the whole vehicle is influenced. Meanwhile, the pre-hanging structure in the prior art is disposable and cannot be recycled, so that the production cost and the design cost of the automobile are increased.

Many automobile parts, such as a floor fender, are one of them, and the floor fender is installed at the bottom of an automobile to protect an automobile engine and automobile floor parts from being damaged by an impact or a foreign object. The bottom guard plate is generally fixed on an automobile chassis through bolts, and the bottom guard plate needs to have certain thickness, hardness and area, so that the bottom guard plate is difficult to mount.

In order to facilitate the installation of the bottom guard plate, the bottom guard plate is provided with a pre-hanging structure, namely two buckles are arranged on the bottom guard plate, the bottom guard plate can be roughly hung on an automobile chassis through the buckles, and then the bottom guard plate is installed. However, because of different vehicle types and different shapes of the bottom guard plate of the vehicle, the shape and the position of the pre-hanging structure need to be changed according to the vehicle types; and the shape of the bottom guard plate is also changed according to the design requirement of the automobile chassis, so that the design and manufacturing cost of the bottom guard plate is increased.

Therefore, to solve the above problems in the prior art, an improved universal pre-hitch apparatus is needed.

Disclosure of Invention

The application provides a pre-hanging device, which comprises a first rotating assembly, a second rotating assembly and a pre-hanging tray;

the first rotating assembly comprises a first handle part, a shaft sleeve and a first locking structure which are fixedly connected; the shaft sleeve is arranged between the first handle part and the first locking structure;

the second rotating assembly comprises a second handle part, a rotating shaft and a second locking structure which are fixedly connected; the rotating shaft is arranged between the second handle part and the second locking structure;

the rotating shaft is rotatably connected with the shaft sleeve, and the shaft sleeve is connected with the pre-hanging tray.

Furthermore, the pre-hanging tray is provided with a mounting hole matched with the shaft sleeve, and the shaft sleeve is arranged in the mounting hole.

Furthermore, the axle centers of the first locking structure and the second locking structure are eccentrically arranged with the rotating axle center of the rotating shaft.

Furthermore, the first locking structure and the second locking structure are both cylinder structures; the first locking structure is provided with a first shaft section and a first side surface, and the second locking structure is provided with a second shaft section and a second side surface; the first axial cross-section is disposed opposite the second axial cross-section.

Furthermore, a first transition structure is arranged at the joint of the first shaft section and the first side surface of the first locking structure, and a first transition structure is arranged at the joint of the second shaft section and the second side surface of the second locking structure.

Furthermore, the shaft sleeve is provided with a connecting rod, one end of the connecting rod is fixedly connected with the end face of the shaft sleeve, and the other end of the connecting rod is fixedly connected with the first locking structure.

Furthermore, the first locking structure and the second locking structure are provided with clamping protrusions, and when the first locking structure and the second locking structure are tightly abutted into the chassis mounting hole, the clamping protrusions are connected with the matching holes of the counter-parts in a matched mode.

Furthermore, the first locking structure and the second locking structure are both elastic locking structures.

Furthermore, the first handle part and the second handle part are both provided with a first pressing plate and a second pressing plate which are fixedly connected, and a second transition structure is arranged at the joint of the first pressing plate and the second pressing plate.

Furthermore, a limiting part is further arranged on the pre-hanging tray, and the limiting part is arranged on the motion path of the first handle part and the second handle part and is connected with the first handle part and the second handle part in a matching manner.

The application provides a hang device in advance has at least following beneficial effect:

1) This application is provided with locking structure, can directly connect through the hole cooperation of hanging of target accessory itself, avoids adding extra mounting point hole site on the target accessory, improves the installation effectiveness.

2) The pre-hanging device is in contact extrusion with a matching hole of an opponent part through the locking structure to form hanging force, and reliability of hanging parts is improved by adding the limiting part.

3) This application is hung device in advance has the dismantlement function, makes target accessory hang device in advance possess the commonality to can dismantle recovery and reuse, reduce the cost of end backplate and chassis to the hand piece, further reduce whole car cost.

4) The pre-hanging device is more convenient to assemble, and the installation efficiency of the target accessory and the counter-object accessory can be further improved.

Drawings

In order to more clearly illustrate the technical solutions and advantages of the embodiments of the present application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1: the overall structure schematic diagram of the pre-hanging device provided by the embodiment of the application is shown;

FIG. 2: the embodiment of the application provides a structural schematic diagram of a pre-hanging tray of a pre-hanging device;

FIG. 3: the structure schematic diagram of a first rotating assembly of a pre-suspension device provided by the embodiment of the application;

FIG. 4 is a schematic view of: the structure schematic diagram of the second rotating assembly of the pre-suspension device provided by the embodiment of the application;

FIG. 5: the assembly structure schematic diagram of a first rotating assembly and a second rotating assembly of the pre-hanging device provided by the embodiment of the application;

FIG. 6: the assembling process schematic diagram of the pre-hanging device provided by the embodiment of the application;

FIG. 7: the specific using process schematic diagram of the pre-hanging device provided by the embodiment of the application;

FIG. 8: the clamping state section view of the pre-hanging device provided by the embodiment of the application;

in the figure: 1-a first rotating assembly, 2-a second rotating assembly, 3-a pre-hanging tray, 11-a first handle part, 12-a shaft sleeve, 13-a first locking structure, 14-a connecting rod, 21-a second handle part, 22-a rotating shaft, 23-a second locking structure, 31-a mounting hole, 131-a first shaft section, 132-a first side surface, 212-a first pressing plate, 213-a second pressing plate, 231-a second shaft section, 232-a second side surface, 233-a clamping protrusion, 234-a mounting nut, a-a counter-element and a B-target fitting.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be implemented in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, apparatus, product, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, product, or device.

The embodiments are described below with reference to the drawings, which do not limit the contents of the claims.

In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc. indicate the orientations and positional relationships based on the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The pre-hanging device is mainly used on parts needing to be hung in advance, such as a ceiling, a wheel cover, an assembly scene of accessories such as a sound insulation pad outside a vehicle body, a heat insulation pad, a lower guard plate of a rear bumper and the like; the following description will be given taking a use scenario of the floor shield as an example, where the target accessory B described below is the floor shield, and the counterpart accessory a is a vehicle chassis.

Referring to fig. 1 to 8, an embodiment of the present application provides a pre-hanging apparatus, which includes a first rotating assembly 1, a second rotating assembly 2, and a pre-hanging tray 3;

the first rotating assembly 1 comprises a first handle part 11, a shaft sleeve 12 and a first locking structure 13 which are fixedly connected; the bushing 12 is arranged between the first handle portion 11 and the first locking structure 13;

the second rotating assembly 2 comprises a second handle part 21, a rotating shaft 22 and a second locking structure 23 which are fixedly connected; the rotating shaft 22 is arranged between the second handle part 21 and the second locking structure 23;

the rotating shaft 22 is rotatably connected with the shaft sleeve 12, and the shaft sleeve 12 is connected with the pre-hanging tray 3.

Therefore, the first rotating assembly 1 and the second rotating assembly 2 are in matched contact with the matching holes of the opponent part, mutual extrusion is generated, hanging force is formed, the pre-hanging device of the target part is fixedly connected with the opponent part, meanwhile, the additional installation point hole position is avoided being additionally arranged on the target part, installation efficiency is improved, the structure can achieve the dismounting function of the pre-hanging device, the pre-hanging device of the target part is enabled to have universality, dismounting, recycling and recycling can be carried out, and production cost of the whole automobile is reduced.

Specifically, the mating hole of the counterpart member may be the mounting nut 234 of the chassis

In some embodiments, the pre-hanging tray 3 is provided with a mounting hole 31 matching with the shaft sleeve 12, and the shaft sleeve 12 is placed in the mounting hole 31.

In some embodiments, the axes of the first locking structure 13 and the second locking structure 23 are disposed eccentrically from the rotational axis of the rotating shaft 22.

Specifically, the axes of the first locking structure 13 and the second locking structure 23 are eccentric to the rotation axis of the rotation shaft 22, so that the first handle portion 11 and the second handle portion 21 can be prevented from being locked during rotation.

In some embodiments, the first locking structure 13 and the second locking structure 23 are both cylindrical structures; the first locking structure 13 is provided with a first axial section 131 and a first lateral surface 132, and the second locking structure 23 is provided with a second axial section 231 and a second lateral surface 232; the first axial section 131 is disposed opposite the second axial section 231.

Specifically, the cylinder structure may be a semi-cylindrical structure, and the semi-cylindrical structure is matched with the circular hole of the counterpart member.

In other embodiments, the post structure may be an elongated strip that matches the rectangular aperture of the counterpart member.

In some embodiments, the first transition structure is provided where the first axial section 131 and the first side 132 of the first locking structure 13 join; a first transition structure is arranged at the joint of the second axial section 231 and the second lateral surface 232 of the second locking structure 23.

Specifically, the first transition structure is a first transition fillet structure.

Specifically, through setting up the further rotation that makes locking structure of first transition fillet structure more smooth and easy.

In some embodiments, a connecting rod 14 is disposed on the shaft sleeve 12, one end of the connecting rod 14 is fixedly connected to an end surface of the shaft sleeve 12, and the other end of the connecting rod 14 is fixedly connected to the first locking structure 13.

In particular, the connecting rod 14 is integrally formed with the first locking structure 13.

Specifically, the shaft sleeve 12 is provided with an installation vacancy, and one end of the connecting rod 14 can be connected with the installation vacancy in a matched mode.

In particular, the sleeve 12 and the connecting rod 14 may be snap-fit, glued or threaded.

In some embodiments, the first locking structure 13 and the second locking structure 23 are both provided with a clamping protrusion 233, and when the first locking structure 13 and the second locking structure 23 abut against the chassis mounting hole, the clamping protrusion 233 is clamped with the end surface of the chassis mounting hole or the mounting nut 234.

In other embodiments, the first locking structure 13 and the second locking structure 23 may further have an elastic clamping protrusion, and when the first locking structure 13 and the second locking structure 23 are abutted against the hole of the mounting nut 234 of the counterpart member, the elastic clamping protrusion is clamped with the end surface of the hole of the mounting nut 234 of the counterpart member.

In some embodiments, the first locking structure 13 and the second locking structure 23 are both resilient locking structures.

Specifically, the first locking structure 13 and the second locking structure 23 are made of rubber.

In some embodiments, the first handle portion 11 and the second handle portion 21 are each provided with a first pressing plate 212 and a second pressing plate 213 fixedly connected, and a second transition structure is provided at the connection of the first pressing plate 212 and the second pressing plate 213.

Specifically, the second transition structure may be a circular arc chamfer structure.

Specifically, the first handle portion 11 and the second handle portion 21 can be rotated more smoothly by providing the circular-arc chamfer structure at the connection portion of the first pressing plate 212 and the second pressing plate 213.

Specifically, the first handle portion 11 and the second handle portion 21 are both V-shaped.

In other embodiments, the second handle portion 21 has a mounting hole, and the rotating shaft 22 has a connecting protrusion, and the mounting hole is fixedly connected and matched with the connecting protrusion.

Specifically, the second handle portion 21 and the rotating shaft 22 can be clamped or fixed by adhesion.

In this embodiment, when the axial section 131 of the first locking structure 13 is engaged with the axial section 231 of the second locking structure 23, one end of the first handle 11 is engaged with one end of the second handle 21, and the other end is disengaged.

In some embodiments, a limiting member is further disposed on the pre-hanging tray 3, and the limiting member is disposed on the moving path of the first handle portion 11 and the second handle portion 21 and is connected with the first handle portion 11 and the second handle portion 21 in a matching manner.

Specifically, when locking structure and opponent's mating holes joint, through locating part to locking structure's restriction and fixed action, guarantee locking structure at the stability and the joint effect of joint process.

The locking structure is arranged in the installation structure, and can be directly matched and connected through the hanging hole of the target fitting, so that additional installation point holes are avoided being additionally arranged on the target fitting, and the installation efficiency is improved; the locking structure can realize the disassembly function of the pre-hanging device, so that the pre-hanging device of the target accessory has universality, can be disassembled and recycled, and can reduce the production cost of the whole vehicle.

The installation process of the pre-hanging device is shown in fig. 6, and specifically includes the following steps:

first, the shaft 22 of the second rotating assembly 2 is sleeved in the shaft sleeve 12 of the first rotating assembly 1, so that the shaft 22 rotates in the shaft sleeve 12.

In the second step, the first handle part 11 and the second handle part 21 are rotated to make the first axial section 131 of the first locking structure 13 fit with the second axial section 231 of the second locking structure 23, and one ends of the first handle part 11 and the second handle part 21 abut against each other while the other ends are separated.

And thirdly, finally, sleeving the mounting hole 31 of the pre-hanging tray 3 on the shaft sleeve 12.

The operation process of the pre-suspension device is shown in fig. 7, and specifically includes the following steps:

s1: when the pre-hanging device is in an initial state, when the first pressing plates 212 of the first handle part and the second handle part are jointed, the first locking structure 13 on the other side of the pre-hanging tray 3 is also jointed with the corresponding two-axis cross section of the second locking structure 23, the locking structures of the two semi-cylinders are combined into a cylinder which can be inserted into the mounting nut 234 hole on the vehicle chassis, and then the second pressing plates 213 of the first handle part and the second handle part are pressed through manual operation, wherein the pressing direction is shown as A in fig. 6.

S2: by continuously pressing the second pressing plate 213 of the first handle portion and the second handle portion, the relative displacement of the first handle portion and the second handle portion changes, which drives the first locking structure 13 and the second locking structure 23 to rotate relatively, so that the first axial section 131 and the second axial section 231 of the first locking structure 13 and the second locking structure 23 are gradually separated from the attached state, the distance between the locking structures of the two semi-cylindrical structures is wider than that of the state of step 1, and the distance between the two side surfaces of the locking structure and the mounting nut 234 on the vehicle chassis becomes shorter after widening, thereby gradually generating the contact and pressing effect, as shown in fig. 7B.

S3: as shown in fig. 7C, when the second pressing plates 213 of the first handle portion and the second handle portion are gradually contacted together by external force, the first locking structure 13 and the second locking structure 23 are driven to be completely separated from each other by the corresponding first axial section 131 and second axial section 231, the relative distance is the largest, two side surfaces of the separated two half cylinders are respectively in a contact and pressing state with the mounting nut 234 on the vehicle chassis, the generated pressing force hangs the pre-hanging device on the vehicle chassis, and for increasing the clamping effect, the two half cylinders can be made into rubber type or plastic body with elasticity so as to correspond to apertures and pressing spaces with different sizes.

The specific pre-hanging state is as shown in fig. 8, the first locking structure 13 and the second locking structure 23 are both provided with a clamping protrusion 233, when the first locking structure 13 and the second locking structure 23 are abutted against the chassis mounting nut 234, the clamping protrusion 233 is clamped with the end face of the chassis mounting nut 234, the clamping effect of the pre-hanging device and the vehicle chassis is further increased, and convenience is brought to subsequent mounting of the bottom guard plate.

Example 1

Referring to fig. 1-8, the present embodiment provides a pre-hanging device, which comprises a first rotating assembly 1, a second rotating assembly 2 and a pre-hanging tray 3;

the first rotating assembly 1 comprises a first handle part 11, a shaft sleeve 12 and a first locking structure 13 which are fixedly connected; the shaft sleeve 12 is arranged between the first handle part 11 and the first locking structure 13;

Specifically, the first rotating assembly 1 is fixedly connected with the pre-hanging tray 3.

Specifically, the shaft sleeve 12 of the first rotating assembly 1 is fixedly connected with the mounting hole 31 on the pre-hanging tray 3.

Specifically, the shaft sleeve 12 and the pre-hanging tray 3 can be fixedly connected in a bonding, clamping or integral forming mode.

In this embodiment, with the fixed setting of first rotating component 1 and pre-hanging tray 3 for the assembling process of pre-hanging device is more simple and convenient, does benefit to the assembly efficiency who improves backplate and vehicle chassis.

Example 2

The present embodiment provides a pre-suspension apparatus, and the similar points to those of the control apparatus and the structure in embodiment 1 are not repeated herein, and the differences between the pre-suspension apparatus of the present embodiment and embodiment 1 will be described as follows.

Specifically, a limiting protrusion is convexly arranged on one side of the pre-hanging tray 3, which is in fit connection with the first handle part 11 and the second handle part 21, and under the action of external force, the side of the first handle part 11, which is in fit connection with the pre-hanging tray 3, the second handle part 21 and the limiting protrusion are in contact with and extrude, so that large friction force or locking force is formed, and the first handle part 11 and the second handle part 21 are locked.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.

All of the features described in the present application (including the features described in the different embodiments) may be combined arbitrarily and combined as appropriate to form a new technical solution within the scope of the present application.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A pre-suspension apparatus, characterized in that the pre-suspension apparatus comprises: the device comprises a first rotating assembly (1), a second rotating assembly (2) and a pre-hanging tray (3);

the first rotating assembly (1) comprises a first handle part (11), a shaft sleeve (12) and a first locking structure (13) which are fixedly connected; the bushing (12) is arranged between the first handle portion (11) and the first locking structure (13);

the second rotating component (2) comprises a second handle part (21), a rotating shaft (22) and a second locking structure (23) which are fixedly connected; the rotating shaft (22) is arranged between the second handle part (21) and the second locking structure (23);

the rotating shaft (22) is rotatably connected with the shaft sleeve (12), and the shaft sleeve (12) is connected with the pre-hanging tray (3).

2. The pre-hanging device according to claim 1, characterized in that the pre-hanging tray (3) is provided with a mounting hole (31) matching with the bushing (12), and the bushing (12) is placed in the mounting hole (31).

3. Pre-suspension device according to claim 1, characterised in that the axes of the first (13) and second (23) locking structures are arranged eccentrically to the axis of rotation of the shaft (22).

4. A device according to claim 1, characterised in that said first locking structure (13) and said second locking structure (23) are both cylindrical structures;

the first locking structure (13) is provided with a first axial section (131) and a first lateral surface (132), and the second locking structure (23) is provided with a second axial section (231) and a second lateral surface (232);

the first axial section (131) is arranged opposite the second axial section (231).

5. A pre-suspension arrangement according to claim 3, characterised in that a first transition arrangement is provided at the junction of the first axial section (131) and the first side (132) of the first locking arrangement (13) and a second transition arrangement is provided at the junction of the second axial section (231) and the second side (232) of the second locking arrangement (23).

6. The pre-suspension device according to claim 1, characterized in that a connecting rod (14) is arranged on the shaft sleeve (12), one end of the connecting rod (14) is fixedly connected with the end surface of the shaft sleeve (12), and the other end of the connecting rod (14) is fixedly connected with the first locking structure (13).

7. The pre-hanging device according to claim 1, characterized in that the first locking structure (13) and the second locking structure (23) are both provided with a clamping protrusion (233), and when the first locking structure (13) and the second locking structure (23) are abutted against the mating hole of the opponent, the clamping protrusion (233) is connected with the mating hole of the opponent (a) in a matching manner.

8. A device according to claim 1, characterised in that said first locking structure (13) and said second locking structure (23) are both elastic locking structures.

9. Pre-hanging device according to claim 1, characterized in that said first handle portion (11) and said second handle portion (21) are each provided with a first pressing plate (212) and a second pressing plate (213) fixedly connected, the junction of said first pressing plate (212) and said second pressing plate (213) being provided with a second transition structure.

10. The device according to claim 1, characterized in that a limiting member is further arranged on the pre-hanging tray (3), and the limiting member is arranged on the moving path of the first handle part (11) and the second handle part (21) and is connected with the first handle part (11) and the second handle part (21) in a matching way.