CN213144192U

CN213144192U - Electric stay bar and car

Info

Publication number: CN213144192U
Application number: CN202021100575.8U
Authority: CN
Inventors: 龙帅; 陈进; 陈建就
Original assignee: Guangdong Dongjian Automobile Technology Co Ltd
Current assignee: Guangdong Dongjian Automobile Technology Co Ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-05-07
Anticipated expiration: 2030-06-15

Abstract

The utility model relates to an electronic vaulting pole and car, this electronic vaulting pole includes: an outer sleeve; the inner sleeve is slidably inserted in the outer sleeve; the first fixing head is detachably connected to one end of the outer sleeve; the second fixing head is connected to the other end of the inner sleeve; the driving assembly is contained in the outer sleeve and comprises a power component, an adapter, a screw rod and an inner guide pipe, the power component is arranged close to the first fixing head, the adapter is matched with the first fixing head to clamp and fix the power component, the adapter is detachably connected with the outer sleeve, the screw rod penetrates through the adapter and is detachably connected with the power component, the inner guide pipe is sleeved on the periphery of the screw rod, one end of the inner guide pipe is in threaded transmission connection with the screw rod, and the other end of the inner guide pipe is detachably connected with the second fixing head. The electric stay bar of the scheme can be disassembled quickly and nondestructively.

Description

Electric stay bar and car

Technical Field

The utility model relates to an auto-parts technical field especially relates to an electronic vaulting pole and car.

Background

Electric stay bar has been widely used in the automobile field, through electric stay bar drive car tail-gate, and can realize the automatic of car tail-gate and open and shut, has greatly promoted the convenience in use of car. In order to ensure the qualification rate of the electric stay bar, the electric stay bar needs to be disassembled for comparative analysis in the early verification process, and key parts (such as a power part, a screw rod and the like) of the electric stay bar also need to be replaced according to the on-site test run condition during test run, so that the electric stay bar is required to be disassembled without damage. However, the fixing method of the outer sleeve of the electric stay bar and other parts in the market at present usually adopts three methods of press riveting, welding and bonding, and the three methods cannot realize the quick and nondestructive disassembly of the electric stay bar.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide an electric stay bar and an automobile aiming at the problem that the conventional electric stay bar cannot be disassembled quickly and nondestructively.

An electrically powered brace comprising:

an outer sleeve;

the inner sleeve is slidably inserted into the outer sleeve;

a first retaining head removably connected to one end of the outer sleeve;

the second fixing head is connected to the other end of the inner sleeve; and

the driving assembly is contained in the outer sleeve and comprises a power component, an adapter, a screw rod and an inner conduit, the power component is arranged close to the first fixing head, the adapter is matched with the first fixing head to clamp and fix the power component, the adapter is detachably connected with the outer sleeve, the screw rod penetrates through the adapter and is detachably connected with the power component, the inner conduit is sleeved on the periphery of the screw rod, one end of the inner conduit is in threaded transmission connection with the screw rod, and the other end of the inner conduit is detachably connected with the second fixing head.

Above-mentioned electronic vaulting pole can be applied to the car, is connected with the car tail-gate through first fixed head, is connected with the automobile body through the second fixed head, drives the screw rod through power component and rotates, can make the relative screw rod of interior pipe carry out sharp concertina movement, and then drives the relative outer tube of interior sleeve pipe and carry out sharp concertina movement to realize the automation of car tail-gate and open and shut. When the electric stay bar needs to be disassembled, the first fixing head is firstly disassembled from the end part of the outer sleeve, and the power part is clamped and fixed in the outer sleeve through the matching of the first fixing head and the adapter, so that the power part and the screw can be disassembled from the outer sleeve without damage after the first fixing head is disassembled, and then the power part and the screw can be separated; then the inner conduit is separated from the second fixed head, and the adapter is separated from the outer sleeve, so that the electric stay bar can be disassembled. When the electric stay bar needs to be reassembled, all parts are required to be reassembled according to a certain sequence. The electric support rod can realize rapid and nondestructive disassembly, and key parts such as a power part, a screw rod and the like can be prevented from being damaged in the disassembly process, so that the stability and the reliability of data tested in the early stage can be ensured; meanwhile, the key parts of the electric support rod can be replaced quickly according to the debugging condition in the test run process.

In one embodiment, the driving assembly further comprises an outer guide pipe and a bearing, the outer guide pipe is sleeved on the periphery of the inner guide pipe, a connecting seat is arranged at one end, close to the adapter, of the outer guide pipe, the connecting seat is detachably connected with the outer sleeve, a bearing chamber used for mounting the bearing is arranged on one surface, close to the adapter, of the connecting seat, the adapter is pressed on the end face of the bearing, and the screw rod penetrates through the bearing and is fixedly connected with the bearing through a clamp spring.

In one embodiment, the outer sleeve is in interference fit with the first fixing head, the adapter and the connecting seat respectively and is detachably connected through fasteners.

In one embodiment, the first fixing head, the adapter and the connecting seat are respectively provided with a connecting hole, the outer sleeve is provided with a through hole corresponding to the connecting hole, and the fastener passes through the through hole and is in threaded connection with the connecting hole.

In one embodiment, the power part comprises a motor and a reduction gearbox, the fixed end of the motor is in press fit with the first fixed head, the driving end of the motor is connected with the reduction gearbox, the adapter is in press fit with the end face of the reduction gearbox, and the screw is in transmission connection with the reduction gearbox through a spline.

In one embodiment, one of the reduction gearbox and the adapter is provided with a clamping column, the other is provided with a clamping groove, and the clamping column is in clamping fit with the clamping groove.

In one embodiment, a guide sleeve is arranged at one end of the outer guide pipe far away from the connecting seat, and the guide sleeve is in sliding fit with the inner guide pipe.

In one embodiment, the guide sleeve is a soft guide sleeve made of a soft material.

In one embodiment, a nut seat is arranged at one end of the inner guide pipe close to the first fixing head, and the screw rod is in threaded connection with the nut seat; the outer circumferential surface of the nut seat is provided with a plurality of guide ribs extending along the axial direction of the inner conduit, the inner circumferential surface of the outer conduit is provided with guide grooves extending along the axial direction, and the guide ribs are in sliding fit with the guide grooves.

An automobile comprises the electric stay bar.

Drawings

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

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

Fig. 1 is a schematic structural view of an electric stay according to an embodiment of the present invention;

FIG. 2 is an exploded view of the electric stay of FIG. 1;

FIG. 3 is a schematic view of a partial cross-sectional structure of the electric stay of FIG. 1;

fig. 4 is a schematic structural diagram of an adapter according to an embodiment.

10. An outer sleeve; 20. an inner sleeve; 30. a first fixed head; 40. a second fixed head; 50. a drive assembly; 51. a motor; 52. a reduction gearbox; 53. a transfer seat; 531. clamping the column; 54. a screw; 55. an inner conduit; 551. a nut seat; 56. an outer catheter; 561. a connecting seat; 562. a guide sleeve; 57. a bearing; 571. a clamp spring; 58. a gasket; 59. a waterproof rubber mat; 60. a pressure spring; 70. a fastener.

Detailed Description

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

Referring to fig. 1 and 2, an embodiment of the electric stay of the present invention includes an outer sleeve 10, an inner sleeve 20, a first fixing head 30, a second fixing head 40, and a driving assembly 50. The inner sleeve 20 is slidably inserted into the outer sleeve 10; the first fixing head 30 is detachably connected to one end of the outer sleeve 10; the second fixing head 40 is connected to the other end of the inner sleeve 20. Referring to fig. 3, the driving assembly 50 is accommodated in the outer sleeve 10, the driving assembly 50 includes a power component, an adapter 53, a screw 54 and an inner conduit 55, the power component is disposed near the first fixing head 30, the adapter 53 is matched with the first fixing head 30 to clamp and fix the power component, the adapter 53 is detachably connected to the outer sleeve 10, the screw 54 passes through the adapter 53 and is detachably connected to the power component, the inner conduit 55 is sleeved on the periphery of the screw 54, one end of the inner conduit 55 is in threaded transmission connection with the screw 54, and the other end of the inner conduit 55 is detachably connected to the second fixing head 40.

The detachable connection referred to in this application includes, but is not limited to, a threaded connection, a pin connection, a snap connection, etc., as long as a quick and non-destructive detachment between two components can be achieved, and is not particularly limited herein.

The electric support rod can be applied to an automobile, is connected with an automobile tail gate through the first fixing head 30, is connected with an automobile body through the second fixing head 40, drives the screw rod 54 to rotate through the power part, enables the inner conduit 55 to do linear telescopic motion relative to the screw rod 54, further drives the inner sleeve 20 to do linear telescopic motion relative to the outer sleeve 10, and accordingly automatic opening and closing of the automobile tail gate are achieved. When the electric stay bar needs to be disassembled, the first fixing head 30 is firstly disassembled from the end part of the outer sleeve 10, and as the power part is clamped and fixed in the outer sleeve 10 through the matching of the first fixing head 30 and the adapter 53, after the first fixing head 30 is disassembled, the power part and the screw 54 can be disassembled from the outer sleeve 10 without damage, and then the power part and the screw 54 can be separated; the inner conduit 55 is separated from the second fixing head 40, and the adapter 53 is separated from the outer sleeve 10, so that the electric stay bar can be disassembled. When the electric stay bar needs to be reassembled, all parts are required to be reassembled according to a certain sequence.

The electric support rod can realize rapid and nondestructive disassembly, and key parts such as a power part, a screw rod 54 and the like can be prevented from being damaged in the disassembly process, so that the stability and the reliability of data tested in the early stage can be ensured, and the test data has higher reference value; meanwhile, the key parts of the electric stay bar can be quickly replaced according to the debugging condition in the test run process, the one-time qualification rate of loading can be effectively improved, and the business trip cost and the development time are saved; in addition, the hand board cost of early development can be saved, and the development cost is reduced.

Further, referring to fig. 2 and fig. 3, in this embodiment, the driving assembly 50 further includes an outer guide tube 56 and a bearing 57, the outer guide tube 56 is sleeved on the periphery of the inner guide tube 55, a connection seat 561 is disposed at one end of the outer guide tube 56 close to the adapter 53, the connection seat 561 is detachably connected to the outer sleeve 10, a bearing chamber for mounting the bearing 57 is disposed at one surface of the connection seat 561 close to the adapter 53, the adapter 53 is pressed against an end surface of the bearing 57, and the screw 54 is inserted into the bearing 57 and fixedly connected to the bearing 57 through a snap spring 571. The linear movement of the inner guide tube 55 is guided by the outer guide tube 56. The screw 54 can be supported by the bearing 57, and the rotation stability of the screw 54 is ensured. The two sides of the bearing 57 can be fixed by the matching of the adapter 53 and the connecting seat 561, so that the installation concentricity of the two sides of the bearing 57 can be ensured. A clamp spring 571 is arranged on one surface of the bearing 57 close to the adapter 53, and the clamp spring 571 is clamped with the screw 54, so that stable assembly between the screw 54 and the bearing 57 can be achieved, wherein the clamp spring 571 includes, but is not limited to, a C-type or E-type clamp spring. Further, a compression spring 60 is sleeved on the periphery of the outer guide pipe 56. When the inner sleeve 20 contracts relative to the outer sleeve 10, the compression spring 60 is compressed, and when the inner sleeve 20 extends relative to the outer sleeve 10, the compression spring 60 extends, so that a certain auxiliary supporting effect can be achieved.

In addition, in order to waterproof the bearing 57, as shown in fig. 3, a waterproof rubber pad 59 is further sleeved on the screw 54, the waterproof rubber pad 59 is located on one side of the bearing 57 away from the adapter 53, and the waterproof rubber pad 59 seals an annular gap between the outer conduit 56 and the screw 54, so that water can be prevented from directly flowing into the bearing 57 from the inner side of the outer conduit 56. The waterproof rubber pad 59 can be made of plastic materials with good water resistance and weather resistance, such as ethylene propylene diene monomer, polytetrafluoroethylene, chloroprene rubber, polyisobutylene and the like. In addition, a gasket 58 is arranged between the bearing 57 and the waterproof rubber pad 59, and the end face of the bearing 57 presses the waterproof rubber pad 59 through the gasket 58.

Further, the outer sleeve 10 is respectively in interference fit with the first fixing head 30, the adaptor 53 and the connecting seat 561 and detachably connected by a fastener 70. The fastener 70 may be a screw, a pin, or the like. When disassembling, the fastening member 70 is removed first, and the above-mentioned components and the outer sleeve 10 can be unlocked, and then a certain pulling force is applied, and the above-mentioned components and the outer sleeve 10 can be separated, so that the operation is simple and convenient.

Specifically, in this embodiment, the first fixing head 30, the adaptor base 53 and the connecting base 561 are respectively provided with a connecting hole, the outer sleeve 10 is provided with a through hole corresponding to the connecting hole, and the fastening member 70 passes through the through hole and is in threaded connection with the connecting hole. The fastening member 70 is threadedly coupled to the coupling hole, so that coupling reliability can be ensured and the fastening member 70 can be easily detached. For example, as shown in fig. 4, a plurality of connection holes are formed at intervals on the circumferential surface of the adapter 53, correspondingly, a plurality of through holes are correspondingly formed on the circumferential surface of the outer sleeve 10, and a plurality of fasteners 70 are inserted through the through holes in a one-to-one correspondence to connect with the connection holes, so that the assembling stability between the adapter 53 and the outer sleeve 10 can be ensured. Similarly, the first fixing head 30 and the outer sleeve 10 can be connected and fixed by a plurality of fasteners 70; the connecting base 561 and the outer sleeve 10 can be connected and fixed by a plurality of fasteners 70.

Specifically, in this embodiment, the first fixing head 40 includes a fixing portion and an inserting portion connected to the fixing portion, the fixing portion is of a ball head structure and is used for being connected and fixed to an external member, the inserting portion is inserted into the outer sleeve, the inserting portion is in interference fit with the outer sleeve and is connected to the outer sleeve through a fastener, and therefore assembling reliability can be guaranteed.

Further, as shown in fig. 3, the power component includes a motor 51 and a reduction box 52, a fixed end of the motor 51 is in press fit with the first fixed head 30, a driving end of the motor 51 is connected with the reduction box 52, the adapter 53 is in press fit with an end face of the reduction box 52, and the screw 54 is in transmission connection with the reduction box 52 through a spline. The motor 51 and the reduction gearbox 52 can be pressed and fixed through the matching of the first fixing head 30 and the adapter 53, so that the motor 51 and the reduction gearbox 52 can be prevented from moving axially, and the running stability is ensured. One end of the screw 54 is provided with a spline, one side of the reduction box 52 close to the screw 54 is provided with a spline groove, the spline of the screw 54 is inserted into the spline groove of the reduction box 52, the two are mutually meshed to form reliable transmission connection, and meanwhile, the screw 54 and the reduction box 52 are convenient to disassemble.

Furthermore, one of the reduction box 52 and the adapter 53 is provided with a clamping column 531, and the other is provided with a clamping groove, and the clamping column 531 is in clamping fit with the clamping groove. Through the cooperation of card post 531 and draw-in groove joint, can realize mutual card between reducing gear box 52 and the adapter 53, because adapter 53 keeps fixed relative outer tube 10 to avoid reducing gear box 52 to take place the rotation relative to outer tube 10, can further guarantee the operating stability of electronic vaulting pole. For example, in the present embodiment, as shown in fig. 4, a clamping column 531 is disposed on a surface of the adapter 53 that is matched with the reduction box 52, and a clamping slot is correspondingly disposed on the reduction box 52. Optionally, the end surface of the adapter 53 is provided with a plurality of clamping posts 531 at intervals along the circumferential direction, and correspondingly, the end surface of the reduction gearbox 52 is provided with a plurality of clamping grooves at intervals along the circumferential direction, and the clamping grooves are in clamping fit with the clamping posts 531 in a one-to-one correspondence manner, so that the reliability of the clamping fit can be further ensured. For example, in the present embodiment, four snap columns 531 are provided on the end surface of the adapter 53 at intervals in the circumferential direction. Of course, in other embodiments, the arrangement positions of the card slot and the card column 531 may be interchanged, the card column 531 is arranged on the end surface of the reduction gearbox 52, and correspondingly, the card slot is arranged on the surface of the adapter 53 that is matched with the reduction gearbox 52.

Further, in this embodiment, a guide sleeve 562 is disposed at an end of the outer catheter 56 away from the connection seat 561, and the guide sleeve 562 is slidably engaged with the inner catheter 55. The linear motion of the inner catheter 55 is guided by a guide sleeve 562 at one end of the outer catheter 56.

Optionally, the guide sleeve 562 is a soft guide sleeve made of a soft material, and can play a good role in water resistance while playing a guiding role.

Optionally, the guide sleeve 562 is integrally formed on the outer catheter 56 by a secondary encapsulation process, which can ensure structural stability. Of course, in other embodiments, the guide sleeve 562 may be connected to the outer catheter 56 by an adhesive or a snap-fit connection.

Further, in the present embodiment, a nut seat 551 is provided at an end of the inner conduit 55 close to the first fixing head 30, and the screw 54 is in threaded connection with the nut seat 551; the outer circumferential surface of the nut seat 551 is provided with a plurality of guide ribs extending in the axial direction of the inner guide tube 55, and the inner circumferential surface of the outer guide tube 56 is provided with guide grooves extending in the axial direction, and the guide ribs are in sliding fit with the guide grooves. Wherein, the nut seat 551 can be integrally formed at the end of the inner conduit 55 by a secondary encapsulation process, thereby ensuring the assembling reliability between the nut seat 551 and the inner conduit 55. Of course, in other embodiments, the nut seat 551 and the inner conduit 55 may be connected by bonding or snapping. The stability of the linear motion of the inner guide tube 55 can be further ensured by the sliding fit of the guide ribs and the guide grooves.

The utility model also provides a car, this car include automobile body, car tail-gate and as above arbitrary embodiment's electronic vaulting pole. Wherein, the one end of electronic vaulting pole is installed to the fixing base of car tail-gate through first fixed head 30 on, and the other end of electronic vaulting pole is installed on the fixing base of automobile body through second fixed head 40. The specific structure of the electric stay bar refers to the above embodiments, and since the automobile adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.

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

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

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

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

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

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

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

Claims

1. An electric stay, comprising:

an outer sleeve;

the inner sleeve is slidably inserted into the outer sleeve;

a first retaining head removably connected to one end of the outer sleeve;

the second fixing head is connected to the other end of the inner sleeve; and

2. The electric support rod of claim 1, wherein the driving assembly further comprises an outer guide tube and a bearing, the outer guide tube is sleeved on the periphery of the inner guide tube, a connecting seat is arranged at one end of the outer guide tube close to the adapter, the connecting seat is detachably connected with the outer sleeve, a bearing chamber for mounting the bearing is arranged on one surface of the connecting seat close to the adapter, the adapter is pressed on the end surface of the bearing, and the screw rod is arranged in the bearing in a penetrating manner and is fixedly connected with the bearing through a clamp spring.

3. The electric stay of claim 2 wherein the outer sleeve is interference fitted with the first fixing head, the adapter and the connecting seat respectively and detachably connected by fasteners.

4. The electric stay bar according to claim 3, wherein the first fixing head, the adapter and the connecting seat are respectively provided with a connecting hole, the outer sleeve is provided with a through hole corresponding to the connecting hole, and the fastening member passes through the through hole and is in threaded connection with the connecting hole.

5. The electric support rod of claim 1, wherein the power component comprises a motor and a reduction gearbox, a fixed end of the motor is in press fit with the first fixed head, a driving end of the motor is connected with the reduction gearbox, the adapter is in press fit with an end face of the reduction gearbox, and the screw is in transmission connection with the reduction gearbox through a spline.

6. The electric stay bar according to claim 5, wherein one of the reduction box and the adapter is provided with a clamping column, and the other is provided with a clamping groove, and the clamping column is in clamping fit with the clamping groove.

7. The electric stay bar of claim 2 wherein the end of the outer conduit remote from the connecting seat is provided with a guide sleeve, the guide sleeve being slidably engaged with the inner conduit.

8. The electric stay of claim 7 wherein the guide sleeve is a soft guide sleeve made of a soft material.

9. The electric stay bar according to any one of claims 2, 3, 4, 7 and 8, wherein a nut seat is arranged at one end of the inner conduit close to the first fixing head, and the screw rod is in threaded connection with the nut seat; the outer circumferential surface of the nut seat is provided with a plurality of guide ribs extending along the axial direction of the inner conduit, the inner circumferential surface of the outer conduit is provided with guide grooves extending along the axial direction, and the guide ribs are in sliding fit with the guide grooves.

10. An automobile, characterized by comprising an electric stay according to any one of claims 1 to 9.