CN214040646U

CN214040646U - Foldable calibration support

Info

Publication number: CN214040646U
Application number: CN202022841729.5U
Authority: CN
Inventors: 刘克然; 杨显平; 吴凯; 金翔宇
Original assignee: Shenzhen Yunjia Intelligent Technology Co Ltd
Current assignee: Shenzhen Yunjia Intelligent Technology Co Ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-08-24
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a foldable calibration bracket, which comprises a main frame, a first slide rail, a second slide rail and a sliding part, wherein the first slide rail is arranged on the main frame; the second sliding rail is pivoted to the first sliding rail and can rotate between a folding position and an unfolding position; when the second slide rail is located at the folding position, the second slide rail is overlapped with the first slide rail, and when the second slide rail is located at the unfolding position, the second slide rail and the first slide rail are arranged in a straight line; the sliding part is slidably arranged on the second sliding rail and is suitable for mounting a calibration tool. The utility model provides a can fold up and mark support can make the holistic occupation space of slide rail littleer, more convenient folding accomodating after the completion of demarcation, simple structure and use are more convenient.

Description

Foldable calibration support

Technical Field

The utility model relates to a technical field is markd to the vehicle, concretely relates to can fold up and mark support.

Background

The automatic Driving of the automobile is a future trend, and the ADAS (Advanced Driving Assistance System) is a necessary way for the automatic Driving of the automobile. At the beginning of the ADAS technology being applied to luxury vehicles, automobile manufacturers began to gradually penetrate to medium-grade and small-sized vehicles due to the gradual maturity of the technology and the declining trend of the product price. The number of cars with ADAS technology worldwide will be very large in the future, so the after-market of cars will also need to launch ADAS calibration services. The calibration of the radar and camera modules is smoothly and quickly completed by a user, so that the ADAS function is recovered to be normal, and the driving safety of the user is ensured.

Before carrying out ADAS calibration, it is indispensable one step to mark the vehicle, and at the in-process of maring, the position of demarcation instrument (for example radar board) in the support can be adjusted to the slide rail to the messenger marks the position of support more accurate, but present mark support leads to its slide rail occupation space great because the structure is complicated, makes to fold after the completion of demarcating and accomodate inconveniently.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. To this end, an object of the present invention is to provide a foldable calibration stand, comprising:

a main frame;

the first sliding rail is arranged on the main frame;

the second sliding rail is pivoted to the first sliding rail and can rotate between a folding position and an unfolding position;

when the second slide rail is located at the folding position, the second slide rail is overlapped with the first slide rail, and when the second slide rail is located at the unfolding position, the second slide rail and the first slide rail are arranged in a straight line;

the sliding part is arranged on the second sliding rail in a sliding mode and is suitable for installing a calibration tool.

Preferably, according to an embodiment of the present invention, at least one of the second slide rails is disposed at both ends of the first slide rail, and when the second slide rails at both ends of the first slide rail are located at the folding position, the second slide rails are stacked on the first slide rail.

Preferably, according to an embodiment of the present invention, the foldable calibration bracket further includes a pivot assembly, the pivot assembly connects the first slide rail and the second slide rail, so that the first slide rail and the second slide rail can pivot relatively.

Preferably, according to an embodiment of the present invention, the pivot assembly includes a first connecting member provided on the first slide rail and a second connecting member provided on the second slide rail, the first connecting member and the second connecting member being disposed adjacent to each other and pivotally connected by a pivot shaft.

Preferably, according to an embodiment of the present invention, the first connecting member extends vertically and has a first fixed end and a first pivot end, and the second connecting member extends vertically and has a second fixed end and a second pivot end;

the first fixed end is fixed on the first slide rail, the second fixed end is fixed on the second slide rail, and the second pin joint end is bent horizontally and passes through the pivotal shaft and the first pin joint end are pin jointed.

Preferably, according to an embodiment of the present invention, the first pivot end is provided with a first pivot hole, the second pivot end is provided with a second pivot hole located on the same axis as the first pivot hole, and the pivot shaft is inserted into the first pivot hole and the second pivot hole.

Preferably, according to the utility model discloses an embodiment, the pivot subassembly still includes two at least spacing pieces, spacing piece cover is established the pivotal axis both ends are used for with the pivotal axis restriction is in first pin joint hole with in the second pin joint hole.

Preferably, according to the utility model discloses an embodiment, be equipped with the card firmware on the first slide rail, be equipped with the locking piece on the second slide rail, work as first slide rail with when the second slide rail superposes mutually, the card firmware with the locking piece gomphosis mutually, in order to lock first slide rail with the second slide rail.

Preferably, according to an embodiment of the present invention, the locking member includes two cylindrical portions and two limiting balls, the two cylindrical portions are spaced apart from each other and define a limiting space, and the two limiting balls are respectively accommodated in the two cylindrical portions and close to the limiting space;

an elastic part connected with the limiting ball is arranged in each cylindrical part, and the elastic part is positioned on one side away from the limiting space and used for pushing the limiting ball so as to enable one part of the limiting ball to protrude into the limiting space;

when the second slide rail is overlapped with the first slide rail, the clamping piece is arranged in the limiting space, and the limiting ball is abutted against the side end of the clamping piece under the elastic action of the elastic piece.

Preferably, according to the present invention, the fastener is configured as a protruding portion having a concave arc surface on both sides, and when the second slide rail is overlapped with the first slide rail, the protruding portion is embedded in the limiting space, and the limiting ball abuts against the concave arc surface.

Preferably, according to the utility model discloses an embodiment, the both ends of first slide rail all set up one the second slide rail, one of them be provided with the card firmware on the second slide rail, another be provided with the locking piece on the second slide rail, two when the second slide rail superposes each other on the first slide rail, one of them the second slide rail superposes to another on the second slide rail, card firmware and the mutual gomphosis locking of locking piece.

The utility model provides a but folding calibration support when using, can be with first slide rail and the relative pivot of second slide rail to the expansion position for first slide rail and second slide rail are in on the same straight line, facilitate the use, after the use is accomplished, with first slide rail and the relative pivot of second slide rail to the position of folding up, make first slide rail and the mutual superpose of second slide rail, thereby make the holistic occupation space of slide rail littleer, more convenient folding accomodating after the completion of demarcation, simple structure and use are more convenient.

Additional aspects and advantages of the invention 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 invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of a foldable calibration stand provided in an embodiment of the present invention;

fig. 2 is a schematic structural view of the first slide rail and the second slide rail of fig. 1 pivotally connected to each other and in an unfolded position;

fig. 3 is a schematic structural view of the first slide rail and the second slide rail in fig. 2 being folded with each other and then being in a folded position;

FIG. 4 is a schematic sectional view A-A of FIG. 3;

FIG. 5 is an enlarged view of the portion A shown in FIG. 4;

fig. 6 is an exploded schematic view of a pivot assembly provided in an embodiment of the present invention;

fig. 7 is an exploded schematic view of a locking member and a locking member according to an embodiment of the present invention.

The reference numbers illustrate:

10. a main frame; 20. a first slide rail; 30. a second slide rail; 40. a slider; 50. a pivot assembly; 501. a first connecting member; 5011. a first pivot end; 5012. a first pivot hole; 5013. a first fixed end; 502. a second connecting member; 5021. a second pivot end; 5022. a second pivot hole; 5023. a second fixed end; 503. a pivotal shaft; 504. a limiting sheet; 60. a clamping and fixing piece; 601. a projection; 602. a concave arc surface; 70. a locking member; 701. a cylindrical portion; 702. a limiting ball; 703. an elastic member; p10, limiting space.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

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", "circumferential", "radial", and the like, indicate the orientation or positional relationship indicated 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. 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 disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foldable calibration stand according to the embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 3, a foldable scaling bracket according to an embodiment of the present invention includes a main frame 10, a first slide rail 20, a second slide rail 30, and a sliding member 40, wherein the first slide rail 20 is disposed on the main frame 10; the second slide rail 30 is pivoted to the first slide rail 20 and can rotate between a folding position and an unfolding position; when the second slide rail 30 is located at the folding position, the second slide rail 30 is overlapped with the first slide rail 20, when the second slide rail 30 is located at the unfolding position, the second slide rail 30 and the first slide rail 20 are linearly arranged, and the sliding member 40 is slidably arranged on the second slide rail 30 and is suitable for installing a calibration tool.

When the first slide rail 20 and the second slide rail 30 are provided in plural, the first slide rail 20 and the second slide rail 30 may be arranged in a manner that the two slide rails can be folded and unfolded, for example, two ends of the first slide rail 20 are connected with two second slide rails 30, the two second slide rails 30 can be folded to the overlapping position towards the first slide rail 20, so that the second slide rails 30 are mutually overlapped on the first slide rail 20. Alternatively, in some other embodiments, two second slide rails 30 or two first slide rails 20 may be provided to be relatively pivotable to an overlapping position, and it is understood that the first slide rails 20 and the second slide rails 30 may be arranged to be overlapped after being folded, and the multiple first slide rails 20 or the multiple second slide rails 30 may be overlapped after being folded, so that the overall occupied space may be smaller. It is understood that the sliding member 40 can be installed on the second slide rail 30, when there are two second slide rails 30, there can be two corresponding sliding members 40, and when the first slide rail 20 and the second slide rail 30 are unfolded, the sliding member 40 can slide along the first slide rail 20 and the second slide rail 30, so that the sliding member 40 can be installed with the calibration tool for calibration adjustment.

The utility model provides a but folding calibration support is when using, can be with first slide rail 20 and the relative pivot of second slide rail 30 to the expansion position, make first slide rail 20 and second slide rail 30 be in same straight line, make slider 40 can slide to first slide rail 20 from second slide rail 30, and drive the calibration instrument and can carry out the adjusting position on first slide rail 20 and second slide rail 30, after using the completion, with first slide rail 20 and the relative pivot of second slide rail 30 to the position of folding up, make first slide rail 20 and the mutual superpose of second slide rail 30, thereby make the holistic occupation space of slide rail littleer, more convenient folding accomodating after the completion of demarcation, simple structure and use are more convenient.

Preferably, at least one second slide rail 30 is disposed at both ends of the first slide rail 20, and when the second slide rails 30 at both ends of the first slide rail 20 are at the folding position, the second slide rails 30 are overlapped on the first slide rail 20.

In an embodiment of the present invention, when the first slide rail 20 and the second slide rail 30 are in the extended position, an included angle of 180 degrees is formed between the first slide rail 20 and the second slide rail 30, that is, the first slide rail 20 and the second slide rail 30 are linearly disposed, and when the first slide rail 20 and the second slide rail 30 are in the folded position, the second slide rail 30 can rotate 180 degrees relative to the first slide rail 20, so that the second slide rail 30 rotates above or below the first slide rail 20 and overlaps the first slide rail 20.

It can be understood that, when the two second slide rails 30 are disposed at two ends of the first slide rail 20, the two second slide rails 30 may be disposed to be both rotatable above the first slide rail 20, for example, the two second slide rails 30 are overlapped above the first slide rail 20, alternatively, the two second slide rails 30 may also be disposed to be both rotatable below the first slide rail 20; in other embodiments, one of the second slide rails 30 may be arranged to rotate above the first slide rail 20, and the other second slide rail 30 may be arranged to rotate below the first slide rail 20, so that the entire folding can be completed, and two second slide rails 30 and two first slide rails 20 can be stacked one on another.

Referring to fig. 2 to 4, the foldable scaling bracket according to the embodiment of the present invention further includes a pivoting component 50, and the pivoting component 50 connects the first slide rail 20 and the second slide rail 30, so that the first slide rail 20 and the second slide rail 30 can pivot relatively. When the first slide rail 20 and the second slide rail 30 are both one, the pivot assemblies 50 may be correspondingly arranged in one group, and when the second slide rail 30 is provided with two, the pivot assemblies 50 may be arranged in one group between the first slide rail 20 and the two second slide rails 30.

Further, the pivot assembly 50 includes a first connecting member 501 disposed on the first slide rail 20 and a second connecting member 502 disposed on the second slide rail 30, wherein the first connecting member 501 and the second connecting member 502 are disposed adjacent to each other and pivotally connected by a pivot shaft 503.

In this embodiment, the first connecting member 501 is fixed at one end of the first slide rail 20, the second connecting member 502 is located at one side of the first connecting member 501, when the second slide rail 30 is rotated, the second connecting member 502 is driven by the second slide rail 30 to rotate together, when the second slide rail 30 is rotated to the folding position, the second connecting member 502 is rotated to the other side of the first connecting member 501, so that the unfolding and folding between the first slide rail 20 and the second slide rail 30 are simpler and more convenient, and the overall structure is simpler and more reliable.

When two second slide rails 30 are provided, the height of one pivoting assembly 50 is higher than that of the other pivoting assembly 50, that is, when two second slide rails 30 are both arranged to rotate towards the upper side of the first slide rail 20 in the drawing, the height of the first and second sets of first and second connecting

members

501, 502 above the second slide rail 30 may be the same as the height of the second slide rail 30, and the height of the second set of first and second connecting

members

501, 502 above the second slide rail 30 may be one third of the height of the first set, so that the second slide rail 30 connected to the second set may be stacked above the first slide rail 20 after rotating, and the second slide rail 30 connected to the first set is stacked above the second slide rail 30 connected to the second set, so that the overall occupied space after folding is smaller, and the folding manner is simple and convenient.

Further, the first connecting member 501 extends vertically and has a first fixed end 5013 and a first pivot end 5011, and the second connecting member 502 extends vertically and has a second fixed end 5023 and a second pivot end 5021; the first fixing end 5013 is fixed on the first slide rail 20, the second fixing end 5023 is fixed on the second slide rail 30, and the second pivoting end 5021 is horizontally bent and pivoted with the first pivoting end 5011 through the pivoting shaft 503.

The first connecting piece 501 and the second connecting piece 502 are arranged in parallel, and the second pivoting end 5021 is bent and connected horizontally towards the first pivoting end 5011, it can be understood that the first pivoting end 5011 can be inserted into the second pivoting end 5021, and then the pivoting shaft 503 passes through the first pivoting end 5011 for fixing, or the first pivoting end 5011 and the second pivoting end 5021 can be overlapped and pass through the pivoting shaft 503 for fixing, so that the first sliding rail 20 and the second sliding rail 30 can rotate relative to each other during folding.

It can be understood that the first connecting member 501 and the second connecting member 502 can be respectively disposed above or below the first slide rail 20 and the second slide rail 30, and can also be respectively disposed at the side surfaces of the first slide rail 20 and the second slide rail 30 for connection, when rotating, the second slide rail 30 can rotate upwards or downwards, and can also rotate in a horizontal direction to overlap with the first slide rail 20, and it can be understood by those skilled in the art that the mutual rotation direction of the first connecting member 501 and the second connecting member 502 can be arbitrarily set, so that the mutual rotation direction between the second slide rail 30 and the first slide rail 20 can also be arbitrarily selected, and is not limited herein.

Referring to fig. 6, the first pivoting end 5011 is provided with a first pivoting hole 5012, the second pivoting end 5021 is provided with a second pivoting hole 5022 which is coaxial with the first pivoting hole 5012, and the pivoting shaft 503 passes through the first pivoting hole 5012 and the second pivoting hole 5022.

Further, the pivoting assembly 50 further includes at least two limiting pieces 504, the limiting pieces 504 are sleeved on two ends of the pivoting shaft 503 for limiting the pivoting shaft 503 in the first pivoting hole 5012 and the second pivoting hole 5022.

In this embodiment, the two position-limiting pieces 504 may be snap springs, which are also called retainer rings or snap rings, and belong to one type of fastening members, and are provided in shaft grooves or hole grooves of machines and equipment to play a role in preventing axial movement of parts on a shaft or a hole; it can be understood that the limiting piece 504 can limit the pivot 503 to rotate in the first pivot hole 5012 and the second pivot hole 5022, so that during folding or unfolding, the pivot 503 cannot move towards the axial direction, the pivot 503 is prevented from sliding out of the first pivot hole 5012 and the second pivot hole 5022, and the overall stability is better; it is understood that the structure of the limiting plate 504 can be a C-shaped structure, an E-shaped structure or a U-shaped structure, and can be arbitrarily set according to the size of the pivot 503, and the limiting plate 504 can be made of spring steel material, so that the wear resistance is better.

Referring to fig. 3, 4, 5 and 7, the first slide rail 20 is provided with a fastener 60, the second slide rail 30 is provided with a locking member 70, and when the first slide rail 20 and the second slide rail 30 are overlapped, the fastener 60 is engaged with the locking member 70 to lock the first slide rail 20 and the second slide rail 30. After the first slide rail 20 and the second slide rail 30 are folded, the first slide rail 20 and the second slide rail 30 can be locked and fixed by the locking member 60 and the locking member 70, so that the first slide rail 20 and the second slide rail 30 have better stability and are more convenient to move.

Optionally, in some other embodiments, the first slide rail 20 and the second slide rail 30 may also be fixed by a snap structure, so that the whole is more stable after being folded; the locking member 70 may be disposed on the first slide rail 20 or on the second slide rail 30, the fastening member 60 may be disposed on the first slide rail 20 or on the second slide rail 30, when there are two second slide rails 30, that is, two second slide rails 30 are disposed at two ends of the first slide rail 20, and the corresponding locking member 70 or fastening member 60 may also be disposed in two, for example, one locking member 70 is disposed on the first slide rail 20, one fastening member 60 is disposed on one of the second slide rails 30, and when the two second slide rails 30 are folded, one of the second slide rails 30 is located on the first slide rail 20, so that the fastening member 60 of one of the second slide rails 30 and the locking member 70 on the first slide rail 20 are locked with each other; moreover, another locking member 70 may be further disposed on the other side of one of the second slide rails 30, and then a locking member 60 is further disposed on the other one of the second slide rails 30, so that when the other one of the second slide rails 30 is stacked on the one of the second slide rails 30, the locking members 60 and the locking members 70 on the two second slide rails 30 are mutually embedded and locked, so that the folded first slide rail 20 and the two second slide rails 30 are both locked and fixed after being stacked on each other, and the overall stability is better, and the folding is convenient and simple.

Further, the locking member 70 includes two cylindrical portions 701 and two limiting balls 702, the two cylindrical portions 701 are disposed at an interval and define a limiting space P10, and the two limiting balls 702 are respectively accommodated in the two cylindrical portions 701 and are close to the limiting space P10; an elastic piece 703 connected with the limiting ball 702 is arranged in each cylindrical part 701, the elastic piece 703 is positioned on the side away from the limiting space P10, and the elastic piece 703 is used for pushing the limiting ball 702 so as to enable a part of the limiting ball 702 to protrude into the limiting space P10; when the second slide rail 30 and the first slide rail 20 are overlapped, the locking piece 60 pushes the limiting ball 702 to retract into the cylindrical part 701, and after the locking piece 60 enters the limiting space P10, the limiting ball 702 abuts against the side end of the locking piece 70 under the elastic force of the elastic piece 703; in the process that the second slide rail 30 and the first slide rail 20 are mutually unfolded, after the fastening piece 60 pushes the limiting ball 702 to retract into the cylindrical part 701, the fastening piece 60 leaves the limiting space P10, and the limiting ball 702 protrudes into the limiting space P10 again under the elastic action of the elastic piece 703, so that the detachable connection when the second slide rail 30 and the first slide rail 20 are mutually overlapped is realized, and the use is convenient.

Preferably, the fastener 60 is configured as a protruding portion 601 having a concave arc 602 on both sides, when the second slide rail 30 overlaps the first slide rail 20, the protruding portion 601 is embedded in the limiting space P10, and the limiting ball 702 abuts against the concave arc 602 under the elastic force of the elastic member 703.

In this embodiment, when the second slide rail 30 and the first slide rail 20 are folded, the locking member 60 and the locking member 70 need to be engaged with each other, the protrusion 601 enters the limiting space P10 and simultaneously presses the two limiting balls 702, because the protrusion 601 is the concave arc surface 602, when the protrusion 601 enters the limiting space P10, the two limiting balls 702 can rotate and simultaneously slide to both sides of the protrusion 601, and the protrusion 601 is embedded in the limiting space P10; when the second slide rail 30 and the first slide rail 20 are unfolded, the protruding portion 601 is forced to move outwards from the limiting space P10, and meanwhile, the two limiting balls 702 rotate and slide away from two sides of the protruding portion 601, and after the protruding portion 601 is separated from the limiting space P10, the locking piece 70 is separated from the locking piece 60, so that the first slide rail 20 and the second slide rail 30 can be completely unfolded, the operation is simpler, and the folding and unfolding are more convenient.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A collapsible scaling stand, comprising:

a main frame;

the first sliding rail is arranged on the main frame;

2. The foldable scaling stand of claim 1, wherein at least one of the second rails is disposed at each end of the first rail, and the second rails at each end of the first rail are stacked on the first rail when the second rails are in the folded position.

3. The collapsible calibration stand of claim 1, further comprising a pivot assembly connecting the first slide rail and the second slide rail such that the first slide rail and the second slide rail are relatively pivotable.

4. The collapsible scaling stand of claim 3, wherein the pivot assembly includes a first link member disposed on the first slide rail and a second link member disposed on the second slide rail, the first link member disposed adjacent to the second link member and pivotally connected via a pivot axis.

5. The foldable scaling stand of claim 4, wherein the first connecting member extends vertically and has a first fixed end and a first pivotally connected end, and the second connecting member extends vertically and has a second fixed end and a second pivotally connected end;

the first fixed end is fixed on the first slide rail, the second fixed end is fixed on the second slide rail, and the second pin joint end is bent horizontally and passes through the pivotal shaft and the first pin joint end is pin jointed.

6. The foldable scaling bracket of claim 5, wherein the first pivoting end has a first pivoting hole, the second pivoting end has a second pivoting hole coaxial with the first pivoting hole, and the pivot shaft is disposed through the first pivoting hole and the second pivoting hole.

7. The foldable scaling bracket of claim 6, wherein the pivoting assembly further comprises at least two limiting plates, the limiting plates are sleeved on both ends of the pivoting shaft for limiting the pivoting shaft in the first pivoting hole and the second pivoting hole.

8. The foldable scaling bracket of any one of claims 1 to 7, wherein a locking member is disposed on the first rail, and a locking member is disposed on the second rail, and when the first rail and the second rail are overlapped, the locking member is engaged with the locking member to lock the first rail and the second rail.

9. The foldable scaling bracket of claim 8, wherein the locking member comprises two cylindrical portions and two limiting balls, the two cylindrical portions being spaced apart from each other and defining a limiting space, the two limiting balls being respectively received in the two cylindrical portions and adjacent to the limiting space;

10. The foldable scaling bracket of claim 9, wherein the fastener is configured as a protrusion having a concave arc surface on both sides, and when the second slide rail is overlapped with the first slide rail, the protrusion is embedded in the limiting space, and the limiting ball abuts against the concave arc surface.

11. The foldable scaling bracket of claim 2, wherein one of the second rails is disposed at each end of the first rail, and a locking member is disposed on one of the second rails, and a locking member is disposed on the other of the second rails, and when the two second rails are stacked on the first rail, one of the second rails is stacked on the other of the second rails, and the locking member are engaged with each other and locked.