CN219910452U - Electric stay bar and vehicle - Google Patents

Abstract

The utility model discloses an electric stay bar and a vehicle, wherein the electric stay bar comprises: the first sleeve and the second sleeve are sleeved outside the other sleeve; the driving assembly comprises a power source and a telescopic driving part, the power source is arranged in the first sleeve, the telescopic driving part is connected with the power source and extends into the second sleeve, and the telescopic driving part is used for driving the second sleeve and the first sleeve to relatively stretch; the support structure is positioned between the second sleeve and the first sleeve, and is axially fixed with one of the first sleeve and the second sleeve, attached to the other and relatively sliding along the axial direction. The electric stay bar provided by the embodiment of the utility model realizes the stable operation of the stay bar in the telescopic process, has no radial deflection during operation, and reduces the risk of foreign matters entering the inside of the stay bar.

Description

Electric stay bar and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to an electric stay bar and a vehicle.

Background

With the popularization of automobile intellectualization, intelligent electric accessories are increasingly widely applied to automobiles. The electric stay bar is used as a key opening and closing piece of an automobile electric tail gate system, and in some special occasions, a large radial force extrusion condition can occur.

If the electric stay bar is extruded by radial force, radial deflection exists in the operation process, and meanwhile, appearance defects are formed by larger gaps, and the existing stay bar structure is at risk of entering foreign matters.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide an electric stay bar, which realizes stable operation of the stay bar during the telescoping process, no radial deflection of the operation, and reduces the risk of foreign matters entering the stay bar.

According to an embodiment of the present utility model, an electric stay includes: the first sleeve and the second sleeve are sleeved outside the other sleeve; the driving assembly comprises a power source and a telescopic driving part, the power source is arranged in the first sleeve, the telescopic driving part is connected with the power source and extends into the second sleeve, and the telescopic driving part is used for driving the second sleeve and the first sleeve to relatively stretch; the support structure is positioned between the second sleeve and the first sleeve, and is axially fixed with one of the first sleeve and the second sleeve, attached to the other and relatively sliding along the axial direction.

According to the electric stay bar disclosed by the embodiment of the utility model, the first sleeve and the second sleeve are sleeved outside one another, and the driving assembly is arranged inside the first sleeve and the second sleeve, so that the driving assembly drives the first sleeve and the second sleeve to slide relatively, the supporting structure is arranged between the first sleeve and the second sleeve, the supporting structure can be used as the support between the first sleeve and the second sleeve, and the first sleeve and the second sleeve can slide relatively.

According to the electric stay bar disclosed by the embodiment of the utility model, the first sleeve is sleeved outside the second sleeve, the supporting structure comprises the first supporting piece, and the first supporting piece is axially fixed with the first sleeve and axially matched with the second sleeve in a sliding manner.

According to the electric stay bar disclosed by the embodiment of the utility model, the outer peripheral wall of the first support piece is provided with the convex annular part and the limiting ribs, the inner wall of the first sleeve is provided with the limiting groove, the limiting ribs are in limiting clamping connection with the limiting groove, and the annular part is in limiting pressing contact with the end part of the first sleeve.

According to the electric stay bar provided by the embodiment of the utility model, the annular part is limited and pressed against the end face of one end of the first sleeve, which is away from the power source.

According to the electric stay bar disclosed by the embodiment of the utility model, the supporting structure further comprises a second supporting piece, wherein the second supporting piece is fixed with the second sleeve in the circumferential direction and is in sliding fit with the first sleeve in the axial direction.

According to the electric stay bar disclosed by the embodiment of the utility model, the second support piece comprises at least two arc-shaped support pieces, the at least two arc-shaped support pieces are sequentially distributed along the circumferential direction of the second support piece and are integrally distributed in an annular shape, and the inner peripheral wall of each arc-shaped support piece is provided with a limit column which is axially fixed with the second sleeve.

According to the electric stay bar disclosed by the embodiment of the utility model, the first support piece and the second support piece are sequentially distributed along the axial direction, the inner peripheral wall of the first support piece is provided with the first exhaust groove which is communicated along the axial direction, the second support piece is provided with the second exhaust groove which is communicated along the axial direction, and the first exhaust groove and the second exhaust groove are communicated along the axial direction of the first sleeve.

According to the electric stay bar disclosed by the embodiment of the utility model, the second supporting piece and the first supporting piece are distributed at intervals along the axial direction of the first sleeve, and the second supporting piece is positioned on one side, close to the power source, of the first supporting piece.

According to the electric stay bar disclosed by the embodiment of the utility model, the telescopic driving part comprises a screw rod section and a telescopic section, the telescopic section is sleeved outside the screw rod section and is in threaded fit with the screw rod section, the power source is connected with the screw rod section, and the telescopic section and the second sleeve are axially limited.

The embodiment of the utility model also discloses a vehicle.

According to the vehicle provided by the embodiment of the utility model, the electric stay bar is arranged, one end of the electric stay bar is rotatably connected with the vehicle door, and the other end of the electric stay bar is rotatably connected with the vehicle body.

The advantages of the vehicle and the electric stay are the same as compared with the prior art, and are not described in detail herein.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of the overall structure of an electric strut of the present utility model;

FIG. 2 is an exploded view of the electric strut when the second sleeve of the present utility model is integral with the second support;

FIG. 3 is a schematic view of a first sleeve of the present utility model with a limiting groove inside;

FIG. 4 is a schematic view of the structure of the first support of the present utility model;

FIG. 5 is a schematic view of the structure of the second sleeve and the second support of the present utility model integrated;

FIG. 6 is an exploded view of the motorized strut of the present utility model when the second support is detachably connected to the second sleeve;

FIG. 7 is a schematic view of a second sleeve of the present utility model having a connection aperture;

fig. 8 is a schematic structural view of the second support member of the present utility model in the form of an arc-shaped support sheet.

Icon: 100-electric stay bars; 1-a first sleeve; 11-limit grooves; 2-a third sleeve; 3-a first support; 31-limiting ribs; 32-a ring portion; 33-a first exhaust recess; 34-connecting pieces; 4-a second sleeve; 41-a second support; 42-connecting holes; 43-a second exhaust recess; 5-a first ball socket; 6-a spring; 7-a drive assembly; 71-a lead screw section; 72-telescoping section; 8-a second ball socket; 9-arc-shaped supporting sheets; 91-limit posts.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

The electric stay bar 100 according to the embodiment of the present utility model is described below with reference to fig. 1 to 8, and the electric stay bar 100 according to the embodiment of the present utility model can solve the deflection condition occurring in the stay bar telescoping process by using the support structure, solve the appearance problem of the gap between the first sleeve 1 and the second sleeve 4, realize stable operation of the electric stay bar 100 telescoping process, have no operation radial deflection condition, and reduce the risk of foreign matters entering the inside of the stay bar.

As shown in fig. 1 to 8, an electric stay 100 according to an embodiment of the present utility model includes: a first sleeve 1, a second sleeve 4, a drive assembly 7 and a support structure.

Wherein one of the first sleeve 1 and the second sleeve 4 is sleeved outside the other sleeve; the driving assembly 7 comprises a power source and a telescopic driving part, the power source is arranged in the first sleeve 1, the telescopic driving part is connected with the power source and extends into the second sleeve 4, and the telescopic driving part is used for driving the second sleeve 4 to stretch relative to the first sleeve 1; the support structure is located between the second sleeve 4 and the first sleeve 1, and the support structure is axially fixed with one of the first sleeve 1 and the second sleeve 4, is attached with the other and relatively slides along the axial direction.

In practice, referring to fig. 1 and 2, the first sleeve 1 and the second sleeve 4 are sleeved outside one another, either the first sleeve 1 is sleeved outside the second sleeve 4 or the second sleeve 4 is sleeved outside the first sleeve 1, the power source in the driving assembly 7 is installed in the first sleeve 1, one end of the driving assembly 7 is connected to one end of the second sleeve 4 far away from the power source, the other end is connected in the first sleeve 1, the driving assembly 7 is used for driving the first sleeve 1 and the second sleeve 4 to slide relatively, and a supporting structure is arranged in a gap between the first sleeve 1 and the second sleeve 4 and is used for limiting radial offset between the first sleeve 1 and the second sleeve 4.

Further, the support structure may be axially connected to the first sleeve 1 and in sliding contact with the second sleeve 4; or the support structure may be axially connected to the second sleeve 4 and in sliding contact with the first sleeve 1; the supporting structure can be further arranged into two parts, one part is axially connected with the first sleeve 1 and is in sliding contact with the second sleeve 4, the other part is connected with the second sleeve 4 and is in sliding contact with the first sleeve 1, and the supporting structure can support the gap between the first sleeve 1 and the second sleeve 4, so that the situation of unstable operation and radial deflection in the telescopic operation process of the electric stay bar 100 is prevented.

The embodiment of the utility model realizes the stable operation and no radial deflection of the electric stay bar 100 in the telescopic process, reduces the risk of foreign matters entering the inside of the stay bar, and solves the appearance problem of a gap between the first sleeve 1 and the second sleeve 4.

In some embodiments, the first sleeve 1 is sleeved outside the second sleeve 4, and the support structure comprises a first support member 3, wherein the first support member 3 is fixed with the first sleeve 1 along the axial direction and is matched with the second sleeve 4 along the axial direction in a sliding manner.

As shown in fig. 2, 3 and 4, the first supporting member 3 is used for being connected to the end portion of the first sleeve 1 far away from one end of the power source, and becomes a part of the first sleeve 1 after being axially connected with the first sleeve 1, the inner diameter of the first supporting member 3 is larger than the outer diameter of the second sleeve 4, one part of the first supporting member 3 can extend into the first sleeve 1 and be in threaded connection with the first sleeve 1, the other part of the first supporting member 3 is exposed out of the first sleeve 1 and axially distributed with the first sleeve 1, of course, one part of the first supporting member 3 can also extend into the first sleeve 1 and be fixedly connected with the first sleeve 1 through limiting in other modes, the other part of the first supporting member 3 is axially distributed with the first sleeve 1, and the connection and the arrangement of the first supporting member 3 are facilitated through arranging the first supporting member 3 at the end portion of the first sleeve 1.

In some embodiments, the outer peripheral wall of the first support member 3 is formed with a protruding ring portion 32 and a limiting rib 31, the inner wall of the first sleeve 1 is provided with a limiting groove 11, the limiting rib 31 is in limiting clamping connection with the limiting groove 11, and the ring portion 32 is in limiting pressing contact with the end portion of the first sleeve 1.

In practice, as shown in fig. 3 and 4, the inner diameter of the annular portion 32 of the first support member 3 is the same as the inner diameter of the first sleeve 1, and the outer diameter is the same as the outer diameter of the first sleeve 1, the limiting ribs 31 are connected to the axial direction of the annular portion 32 through the connecting pieces 34, the connecting pieces 34 may be multiple, the connecting pieces 34 are distributed at intervals and enclose into a first circular shape, the limiting ribs 31 may be multiple, the limiting ribs 31 are distributed at intervals and enclose into a second circular shape, wherein the inner diameter of the annular portion 32 is larger than the inner diameter of the first circular shape, and the inner diameter of the first circular shape may be the same as the inner diameter of the second circular shape, or smaller than the inner diameter of the second circular shape, but the outer diameter of the second circular shape is larger than the outer diameter of the first circular shape, and the outer diameter of the second circular shape is also larger than the inner diameter of the first sleeve 1, so that the limiting ribs 31 can radially protrude out of the connecting pieces 34, and can be clamped in the limiting grooves 11 of the inner wall of the first sleeve 1, and the limiting grooves 11 and the limiting ribs 31 are in one-to-one correspondence.

Of course, a limit rib 31 may be disposed in the first sleeve 1, and a limit groove 11 may be disposed on the inner wall of the first sleeve 1, so as to achieve better limit when the first support member 3 is connected with the first sleeve 1. According to the embodiment of the utility model, through the structure of the first supporting piece 3, when the first supporting piece 3 is connected with the first sleeve 1, the axial and radial limiting can be realized, and the first supporting piece 3 is prevented from loosening.

In some embodiments, the annular portion 32 is limited to abut against an end surface of the end of the first sleeve 1 facing away from the power source. Namely, the annular part 32 and the first sleeve 1 are axially connected in a distributed manner, the outer diameters of the annular part 32 and the first sleeve 1 can be the same, and then the annular part 32 is limited and pressed on the end face of the first sleeve 1, so that the integrity of the first sleeve 1 and the annular part 32 is better, and meanwhile, the area outside the annular part 32 of the first supporting piece 3 is convenient to extend into the first sleeve 1 to be connected with the inside of the first sleeve 1.

In some embodiments, the support structure further comprises a second support 41, the second support 41 being fixed circumferentially with the second sleeve 4 and being in an axially sliding fit with the first sleeve 1.

Referring to fig. 5, the second supporting member 41 is provided around the outer circumference of the second sleeve 4, the second supporting member 41 may be integrally formed with the outer wall of the second sleeve 4, and the second supporting member 41 may also serve to radially support the first sleeve 1 and the second sleeve 4 when slidably coupled between the first sleeve 1 and the second sleeve 4, and the second supporting member 41 may ensure axial sliding while achieving radial support.

In some embodiments, the second supporting member 41 may include at least two arc-shaped supporting pieces 9, at least two arc-shaped supporting pieces 9 are sequentially distributed along the circumference of the second supporting member 41 and are distributed in an annular shape as a whole, and the inner peripheral wall of each arc-shaped supporting piece 9 is provided with a limiting post 91 fixed with the second sleeve 4 along the axial direction.

In practice, the second sleeve 4 may be connected to the second support 41 by a connecting hole 42, where the connecting hole 42 and the number of the connecting holes are the same as the number of the limiting posts 91, and the connecting hole 42 may be connected to the second sleeve 4 by the limiting posts 91, so that the arc-shaped support piece 9 may be inserted into the connecting hole 42 through the limiting posts 91, and the arc-shaped support piece 9 may be connected to the periphery of the second sleeve 4, so as to realize detachable connection between the second support 41 and the second sleeve 4.

In some embodiments, the first support member 3 and the second support member 41 are sequentially distributed in the axial direction, and the inner peripheral wall of the first support member 3 is provided with a first exhaust groove 33 penetrating in the axial direction, and the second support member 41 is provided with a second exhaust groove 43 penetrating in the axial direction, and the first exhaust groove 33 communicates with the second exhaust groove 43 in the axial direction of the first sleeve 1.

As shown in fig. 4 and fig. 5, the annular portion 32 of the first support member 3 is provided with a plurality of first exhaust grooves 33 at the inner periphery thereof, the first support member 3 is axially connected with the first sleeve 1, the second support member 41 and the first support member 3 have the same function, and the second support member 41 is provided with second exhaust grooves 43 along the outer periphery thereof, wherein the number of the first exhaust grooves 33 can be the same as that of the second exhaust grooves 43, and the first exhaust grooves 33 are communicated with the second exhaust grooves 43 and then are communicated with the outside, so that when the internal volume of the electric brace 100 in the expansion process changes, the electric brace 100 can be exhausted and sucked, thereby ensuring the consistency of the internal air pressure of the electric brace 100 in the expansion process and ensuring smooth operation.

In some embodiments, the second support 41 is spaced apart from the first support 3 along the axial direction of the first sleeve 1, and the second support 41 is located on a side of the first support 3 near the power source.

In practice, referring to fig. 2, the power source is located at the right end of the driving assembly 7, the first supporting member 3 and the second supporting member 41 are respectively located at different sleeves and axially spaced apart, the second supporting member 41 is located at one side close to the power source, and when the second supporting member 41 slides along the inside of the first sleeve 1, the second supporting member 41 will touch the limiting rib 31 of the first supporting member 3, so as to realize axial limiting between the second supporting member 41 and the first supporting member 3, and prevent the first sleeve 1 and the second sleeve 4 from sliding out of each other.

In some embodiments, the telescopic driving part comprises a screw rod section 71 and a telescopic section 72, the telescopic section 72 is sleeved outside the screw rod section 71 and is in threaded fit with the screw rod section 71, the power source is connected with the screw rod section 71, and the telescopic section 72 and the second sleeve 4 are axially limited.

In practice, referring to fig. 2 or 6, the power source drives the screw rod segment 71 to rotate, so that the screw rod segment 71 drives the telescopic segment 72 to move along the axial direction when rotating, and the telescopic segment 72 and the second sleeve 4 are axially limited at the end far away from the power source, specifically, the end part of the second sleeve 4 far away from the power source can be connected with the first ball socket 5, that is, the first ball socket 5 partially stretches into the second sleeve 4 and is in threaded connection with the second sleeve 4, the first ball socket 5 is sleeved at the end part of the telescopic segment 72 far away from the power source and is in threaded connection with the telescopic segment 72, and meanwhile, the first ball socket 5 and the inner part of the second sleeve 4 are axially limited, that is, the telescopic segment 72 and the second sleeve 4 are axially limited, so that the telescopic segment 72 can conveniently drive the second sleeve 4 to stretch.

It should be noted that the telescopic driving portion is sleeved with a third sleeve 2, the length of the third sleeve 2 is at least greater than or equal to the length of the screw rod section 71, one end of the third sleeve 2 is in contact with the inner wall of the first sleeve 1 through a flange, the other end of the third sleeve is located outside the telescopic section 72, and the third sleeve 2 can have a better guiding function on the telescopic driving portion.

In addition, the spring 6 is sleeved outside the telescopic driving part, the length of the spring 6 in the natural state is larger than that of the telescopic driving part when the telescopic driving part stretches to the longest state, one end of the spring 6 is propped against the flange plate, the other end of the spring is located at one end of the second sleeve 4 far away from the power source, one axial side of the flange plate is propped against the power source, the length of the spring 6 in the natural state is larger than that of the telescopic driving part when the telescopic driving part stretches to the longest state, the spring 6 can always compress the axial direction of the flange plate of the third sleeve 2, the other side of the flange plate is connected to the power source side, the axial direction of the flange plate can not generate larger movement, further the movement of the third sleeve 2 is prevented, the spring 6 can enable the balanced tail gate to act under the action of gravity, the buffer effect is achieved, and the screw rod section 71 and the spring 6 can be prevented from interfering with each other by the third sleeve 2.

The embodiment of the utility model also discloses a vehicle.

According to the vehicle provided by the embodiment of the utility model, the vehicle comprises the electric stay bar 100, one end of the electric stay bar 100 is rotationally connected with the vehicle door, and the other end of the electric stay bar 100 is rotationally connected with the vehicle body, in practice, one end of the electric stay bar 100 is connected with the vehicle body through the first ball socket 5, and the other end of the electric stay bar is connected with the vehicle door through the second ball socket 8, so that the electric stay bar 100 can change in multiple directions when the electric stay bar stretches out and draws back through the arrangement of the rotating parts in the first ball socket 5 and the second ball socket 8.

In the description of the present utility model, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the utility model, a "first feature" or "second feature" may include one or more of such features.

In the description of the present utility model, "plurality" means two or more.

In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.

In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An electric brace, comprising:

the first sleeve and the second sleeve are sleeved outside the other sleeve;

the driving assembly comprises a power source and a telescopic driving part, the power source is arranged in the first sleeve, the telescopic driving part is connected with the power source and extends into the second sleeve, and the telescopic driving part is used for driving the second sleeve and the first sleeve to relatively stretch;

the support structure is positioned between the second sleeve and the first sleeve, and is axially fixed with one of the first sleeve and the second sleeve, attached to the other and relatively sliding along the axial direction.

2. The electric brace of claim 1, wherein the first sleeve is disposed about the second sleeve, and wherein the support structure comprises a first support member axially secured to the first sleeve and axially slidably engaged with the second sleeve.

3. The electric brace of claim 2, wherein the outer peripheral wall of the first support member is formed with a protruding annular portion and a limiting rib, the inner wall of the first sleeve is provided with a limiting groove, the limiting rib is in limiting clamping connection with the limiting groove, and the annular portion is in limiting pressing contact with the end portion of the first sleeve.

4. The electric brace of claim 3, wherein the annular portion is positioned against an end surface of the end of the first sleeve facing away from the power source.

5. The motorized strut as recited in claim 2, wherein the support structure further comprises a second support circumferentially fixed with the second sleeve and axially slidably engaged with the first sleeve.

6. The electric brace of claim 5, wherein the second support member comprises at least two arc-shaped support pieces, the at least two arc-shaped support pieces are sequentially distributed along the circumferential direction of the second support member and are distributed in an annular shape as a whole, and a limit post axially fixed with the second sleeve is arranged on the inner peripheral wall of each arc-shaped support piece.

7. The electric brace of claim 5, wherein the first support and the second support are sequentially distributed along an axial direction, wherein a first exhaust groove is formed in an inner circumferential wall of the first support and penetrates through the first support along the axial direction, a second exhaust groove is formed in the second support and penetrates through the second support along the axial direction, and the first exhaust groove and the second exhaust groove are communicated along the axial direction of the first sleeve.

8. The electric strut of claim 5 wherein the second support is spaced apart from the first support along the axial direction of the first sleeve and the second support is located on a side of the first support adjacent the power source.

9. The electric brace of claim 1, wherein the telescoping drive comprises a lead screw section and a telescoping section, the telescoping section is sleeved outside the lead screw section and is in threaded engagement with the lead screw section, the power source is connected with the lead screw section, and the telescoping section is axially limited with the second sleeve.

10. A vehicle comprising an electric strut as claimed in any one of claims 1 to 9, wherein one end of the electric strut is rotatably connected to a door and the other end is rotatably connected to a body.