An electric slide rail assembly and a motor bracket thereof

Abstract

The application discloses an electric sliding rail assembly and a motor support thereof, wherein the motor support is used for mounting a driving motor, the electric sliding rail assembly comprises two sliding rail assemblies which are arranged at intervals in the transverse direction, the motor support comprises a support body (1), and the transverse two ends of the support body (1) are respectively provided with a slot-shaped or column-shaped clamping member, and the support body (1) is clamped and assembled with the sliding rail assemblies through the clamping members. The motor support of the electric sliding rail assembly provided by the application is provided with the clamping members, can be clamped and assembled with the sliding rail assemblies, and the assembling process is relatively simple.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electric slide rail, in particular to an electric slide rail assembly and a motor support thereof. BACKGROUND

[0002] The electric slide rail is installed on the floor of a vehicle and is used to adjust the installation position of a seat in the vehicle. Generally, the electric slide rail can include a motor assembly and two slide rail assemblies which are spaced apart in the transverse direction. The motor assembly includes a driving motor and a motor support. The two ends of the motor support are used to connect with the two slide rail assemblies respectively. SUMMARY

[0003] The purpose of the present application is to provide an electric slide rail assembly and a motor support thereof. The motor support is provided with a clamping member which can be clamped with a slide rail assembly, and the assembly process is relatively simple.

[0004] To solve the above technical problems, the present application provides a motor support of an electric slide rail assembly which is used to install a driving motor. The electric slide rail assembly includes two slide rail assemblies which are spaced apart in the transverse direction. The motor support includes a support body. The two ends of the support body in the transverse direction are provided with clamping members in the form of slots or columns. The support body is clamped with the slide rail assemblies through the clamping members.

[0005] The motor support provided by the present application is provided with clamping members in the form of slots or columns at the two ends of the support body in the transverse direction. The support body can be clamped with a slide rail assembly, and the assembly process is relatively simple.

[0006] Optionally, the clamping member is a clamping slot. The clamping slot at at least one of the two ends of the support body in the transverse direction includes a necked slot portion. The slide rail assembly is provided with a clamping column which is clamped in the necked slot portion.

[0007] Optionally, the clamping slot further includes a guide slot portion which is connected with the small opening end of the necked slot portion. The guide slot portion forms an inlet slot portion of the clamping slot and is used to guide the assembly of the clamping column.

[0008] Optionally, the lower wall surface of the local area of the two ends of the support body in the transverse direction is provided with a groove which is recessed upward. The upper wall surface of the local area of the two ends of the support body in the transverse direction is provided with a groove which is recessed downward. The local area forms a thin plate portion. The clamping slot is arranged in the thin plate portion.

[0009] Optionally, the upper wall surface and / or the lower wall surface of the area of the thin plate portion which is not provided with the clamping slot is provided with a first protrusion. The first protrusion is used to cooperate with the clamping column and / or the slide rail assembly to limit the vertical position of the support body.

[0010] Optionally, the bracket body is provided with a motor mounting area for mounting the driving motor, two ends of the driving motor are respectively used for mounting the short flexible shaft assembly and the long flexible shaft assembly; on the mounting side of the short flexible shaft assembly, the motor mounting area is provided with a first positioning component for positioning and assembling the transverse end of the driving motor; on the mounting side of the long flexible shaft assembly, the motor mounting area is provided with a second positioning component, an upper part of the second positioning component is provided with a avoiding gap for avoiding the rotation of the driving motor during installation.

[0011] Optionally, the first positioning component comprises two first positioning plates arranged transversely, one of the first positioning plates is provided with a first upper positioning groove with an upward opening, and the other first positioning plate is provided with a first lower positioning groove with a downward opening.

[0012] Optionally, the second positioning component is provided with a second positioning groove with an upward opening, and a side of the second positioning component adjacent to the driving motor in the transverse direction is provided with a second protrusion for abutting with the transverse end of the driving motor in the transverse direction.

[0013] Optionally, the bracket body further comprises a long flexible shaft mounting area for mounting the long flexible shaft assembly, the long flexible shaft mounting area is provided with a plurality of third positioning components arranged transversely for positioning and assembling the long flexible shaft assembly.

[0014] Optionally, the third positioning component comprises a supporting part for providing lower support for the long flexible shaft assembly and an elastic clamping part for clamping the long flexible shaft assembly.

[0015] Optionally, the third positioning component comprises a tight fitting part provided with a tight fitting groove for interference assembly of the long flexible shaft assembly.

[0016] Optionally, the bracket body is made of plastic.

[0017] The application further provides an electric sliding rail assembly comprising a motor assembly and two sliding rail assemblies arranged transversely, the motor assembly comprises a motor bracket and a driving motor mounted on the motor bracket; the motor bracket is the above-mentioned motor bracket of the electric sliding rail assembly.

[0018] Since the above-mentioned motor bracket of the electric sliding rail assembly has the above-mentioned technical effects, the electric sliding rail assembly with the motor bracket also has similar technical effects, which will not be repeated here. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1A structure schematic view of one specific embodiment of the motor support of the electric sliding rail assembly provided by the present application;

[0020] Figure 2 For Figure 1 A local enlarged view at the clamping groove;

[0021] Figure 3 For Figure 1 A local enlarged view at the first positioning component;

[0022] Figure 4 A structure schematic view of the motor installation area in a longitudinal view;

[0023] Figure 5 For Figure 1 A local enlarged view at the long flexible shaft installation area.

[0024] Figures 1-5 The reference signs in the drawings are explained as follows:

[0025] 1 support body;

[0026] 2 clamping groove, 21 necked groove part, 22 guide groove part, 23 equal-sized groove part;

[0027] 3 thin plate part, 31 first protrusion;

[0028] 4 motor installation area, 41 first positioning component, 411 first positioning plate, 411a first upper positioning groove, 411b first lower positioning groove, 42 second positioning component, 421 second positioning plate, 421a avoiding notch, 421b second positioning groove, 421c second protrusion;

[0029] 5 long flexible shaft installation area, 51 third positioning component, 511 support part, 512 elastic clamping part, 513 tight-fitting part, 513a tight-fitting groove. DETAILED DESCRIPTION

[0030] In order to make the skilled in the art better understand the technical solutions of the present application, the present application is further described in detail below in combination with the drawings and specific embodiments.

[0031] The “several” described herein refers to an indefinite number of multiple, usually more than two; and when “several” is used to represent the number of several components, it does not mean the mutual relationship in the number of these components.

[0032] The “first”, “second” and the like words described herein are only for the convenience of describing the structure and / or function of the same or similar structure or component of two or more structures or components, and do not mean a certain special limitation on the order and / or importance.

[0033] In this article, the length direction of the vehicle with the electric slide rail assembly installed is the longitudinal direction, which generally refers to the direction from the front to the rear of the vehicle; the width direction of the vehicle with the electric slide rail assembly installed is the transverse direction; and the normal direction of the running plane of the vehicle with the electric slide rail assembly installed or the plane in which the bottom plate of the vehicle is located is the vertical direction.

[0034] Please refer to Figures 1-5 , Figure 1 A specific embodiment structure diagram of the motor support of the electric slide rail assembly provided by the present application, Figure 2 is Figure 1 A local enlarged view at the clamping groove, Figure 3 is Figure 1 A local enlarged view at the first positioning component, Figure 4 is a structure diagram of the motor installation area in the longitudinal view, Figure 5 is Figure 1 A local enlarged view at the long flexible shaft installation area.

[0035] The present application relates to a motor support of an electric slide rail assembly for installing a driving motor, the electric slide rail assembly comprising two slide rail assemblies arranged in the transverse direction, and the motor support is actually installed between the two slide rail assemblies. In the conventional scheme, the motor support and the slide rail assembly are connected by a connecting piece in the form of a screw, and during installation, the mounting holes of the motor support and the slide rail assembly need to be aligned first, and then the connecting piece is screwed, which complicates the assembly process.

[0036] Therefore, the motor support provided by the present application can comprise a support body 1, the two ends of the support body 1 in the transverse direction are provided with clamping components in the form of grooves or columns, and the support body 1 is clamped and assembled with the slide rail assembly through the clamping components. In this way, the assembly of the support body 1 and the slide rail assembly can be relatively simple.

[0037] During actual assembly, the two slide rail assemblies are installed first, and then the motor support is installed. Therefore, during the clamping installation process, the support body 1 can be deformed to a certain extent. Since the support body 1 has a certain span in the transverse direction and a relatively small size in the vertical direction, the support body 1 made of ordinary metal materials can also meet the installation requirements; of course, in order to further improve the convenience of installation, the support body 1 can also be designed to be made of plastic materials to better adapt to the deformation during installation.

[0038] At the same time, the plastic material has good flexibility and can better buffer and absorb the vibration caused by the rotation of the driving motor and the flexible shaft, thereby reducing the shaking feeling during the adjustment of the seat and improving the comfort of the seat; in addition, the support body 1 made of plastic materials is also relatively easy to process and form, and more processes can be selected. Therefore, the support body 1 made of plastic materials is preferred in the embodiments of the present application.

[0039] Further, the aforementioned clamping member can be a clamping groove 2, and correspondingly, the slide rail assembly can be provided with a clamping post, which can be clamped in the clamping groove in the assembled state to form the clamping assembly of the support body 1 and the slide rail assembly.

[0040] It should be noted that such clamping assembly is to enable the support body 1 and the slide rail assembly to maintain relative positions in the lateral, longitudinal and vertical directions, i.e. to ensure reliable connection between the support body 1 and the slide rail assembly; in addition, if the clamping member is a clamping post, a clamping groove 2 can be provided on the slide rail assembly.

[0041] In detail, the clamping groove 2 of at least one of the lateral ends of the support body 1 can include a necked slot portion 21, which refers to a slot type with small slot size and large internal size, so that the anti-disengagement fit of the support body 1 and the clamping post in the non-vertical direction can be constructed. The structural form of the necked slot portion 21 can have more choices, such as a U-shaped slot with two side walls gradually converging inward, an arc-shaped slot larger than 1 / 2 circle, etc.

[0042] In the embodiment of the drawings, as shown in Figure 2 the necked slot 21 is an arc-shaped slot larger than 1 / 2 circle, at this time, the inner diameter of the arc-shaped slot can be substantially the same as the outer diameter of the part of the clamping post inserted into the arc-shaped slot, so that the necked slot 21 of the support body 1 and the clamping post of the slide rail assembly can be relatively reliably assembled together.

[0043] The clamping post can be provided with a cover portion, which cooperates with the slide rail assembly to limit the vertical position of the support body 1.

[0044] Further, as shown in Figure 2 the clamping groove 2 can also include a guide slot portion 22, which can be connected to the small opening end of the necked slot portion 21, and the guide slot portion 22 can form an entrance slot portion of the clamping groove 2 for guiding the clamping post to the small opening end of the necked slot portion 21.

[0045] In specific practice, the slot size and the internal longitudinal size (except the part connected to the small opening end of the necked slot portion 21) of the guide slot portion 22 can be larger than the radial size of the part of the clamping post inserted into the clamping groove 2, so that the clamping post can relatively easily enter the clamping groove 2. Then, further applying the installation force can drive the clamping post to extrude through the small opening end of the necked slot portion 21 and be clamped into the internal space of the necked slot portion 21.

[0046] The specific structure of the guide groove portion 22 can not be limited as long as the above functions can be achieved. For example, the guide groove portion 22 can be a rectangular groove, or the guide groove portion 22 can be a flared groove that gradually expands in a direction away from the necked groove 21. This embodiment can be specifically seen from Figure 2 .

[0047] It can be understood that the clamping groove 2 including the necked groove portion 21 forms a tight fit connection after being clamped with the clamping post. If the clamping groove 2 in the form of the necked groove portion 21 is arranged at both transverse ends of the bracket body 1, it is possible that the clamping grooves 2 at both ends cannot be reliably connected with the clamping posts of the two slide rail assemblies due to assembly tolerances and the like.

[0048] In this regard, in the embodiment of the present application, the clamping groove 2 including the necked groove portion 21 can be arranged only at one transverse end of the bracket body 1, and the clamping groove 2 at the other transverse end can be an equal-size groove portion 23. Here, the equal-size groove portion 23 refers to a groove type with substantially equal longitudinal dimensions, and the longitudinal dimension of the equal-size groove portion 23 can be substantially the same as the radial dimension of the portion of the clamping post inserted into the equal-size groove portion 23, thereby preventing relative movement in the longitudinal direction between the bracket body 1 and the clamping post. In this way, when the bracket body 1 is assembled, one transverse end is a tight fit, and the other transverse end is a loose fit in the transverse direction, which can better adapt to the assembly tolerances between the two slide rail assemblies, thereby ensuring reliable installation of the bracket body 1.

[0049] It should be noted that in actual applications, the clamping groove 2 including the necked groove portion 21 can also be arranged at both transverse ends of the bracket body 1, or the clamping groove 2 in the form of the equal-size groove portion 23 can also be arranged at both transverse ends of the bracket body 1, which can also meet the installation requirements of reliability when the assembly tolerances are small or do not exist.

[0050] Further, the lower wall surface of the local area of the transverse ends of the bracket body 1 can be provided with a groove body recessed upward, and / or the upper wall surface of the local area of the transverse ends of the bracket body 1 can be provided with a groove body recessed downward, so as to form a thin plate portion 3 at the local area, and the clamping groove 2 can be arranged in the thin plate portion 3.

[0051] With this structure, the vertical dimension of the portion of the bracket body 1 connected with the clamping post can be relatively small, and correspondingly, the vertical dimension of the clamping post can also be small, which is beneficial to reducing the vertical height of the entire electric slide rail assembly after installation.

[0052] The upper wall surface and / or the lower wall surface of the region of the thin plate part 3 without the clamping groove 2 can be provided with a first protrusion 31 for cooperating with the clamping column and / or the slide rail assembly to define the vertical position of the bracket body 1. In detail, if the first protrusion 31 is located on the upper wall surface of the thin plate part 3 (see Figure 2 ), the first protrusion 31 abuts against the lower wall surface of the cover part of the clamping column to ensure the reliability of the vertical position of the bracket body 1 after installation.

[0053] The structure of the first protrusion 31 is not limited here, as long as the above technical effects can be achieved. In Figure 2 the embodiment, the first protrusion 31 can have a structure of a wedge-shaped part and a rectangular part, the wedge-shaped part is used for guiding, and the rectangular part is used for extending the transverse dimension of the first protrusion 31 to ensure that the first protrusion 31 can abut against the cover part of the clamping column.

[0054] Please continue to refer to Figure 1 , and combine Figure 3 , Figure 4 , the bracket body 1 can be provided with a motor mounting area 4 for mounting a driving motor, and the two ends of the driving motor are respectively used for mounting a short flexible shaft assembly and a long flexible shaft assembly; on the mounting side of the short flexible shaft assembly, the motor mounting area 4 can be provided with a first positioning component 41 for positioning and assembling the transverse end of the driving motor; on the mounting side of the long flexible shaft assembly, the motor mounting area 4 can be provided with a second positioning component 42, and the upper part of the second positioning component 42 is provided with a avoiding gap 421a for avoiding the rotation of the driving motor during installation.

[0055] During specific assembly, one end of the driving motor can be positioned and assembled with the first positioning component 41, and then the driving motor is rotated to position and assemble the other end of the driving motor with the second positioning component 42; the avoiding gap 421a is used to avoid the rotation of the driving motor to ensure the smoothness of the installation.

[0056] Here, the structure of the avoiding gap 421a is not limited in the embodiment of the application, as long as the above technical effects can be achieved. In the embodiment of the drawings, the avoiding gap 421a is an avoiding space formed by an arc surface.

[0057] The first positioning component 41 can include two first positioning plates 411 spaced apart in the transverse direction, wherein one first positioning plate 411 can be provided with a first upper positioning groove 411a with an upward opening, and the other first positioning plate 411 can be provided with a first lower positioning groove 411b with a downward opening. In the assembled state, the first upper positioning groove 411a and the first lower positioning groove 411b can cooperate to position one end of the driving motor.

[0058] In detail, the first upper positioning groove 411a can be a tight-fitting groove, specifically an arc-shaped groove greater than 1 / 2 of a circle, for fixedly supporting the driving motor, and the first lower positioning groove 411b can be a U-shaped groove, mainly for preventing the driving motor from being pulled out upward.

[0059] The second positioning member 42 can be provided with a second positioning groove 421b with an opening facing upward, for supporting and positioning the other end of the driving motor, which can also be a tight-fitting groove greater than 1 / 2 of a circle.

[0060] Further, the side of the second positioning member 42 adjacent to the driving motor in the transverse direction can be provided with a second protrusion 421c for abutting with the transverse end of the driving motor in the transverse direction, to ensure the reliability of the transverse positioning of the driving motor. The structure of the second protrusion 421c is not limited here, as long as the above technical effects can be achieved.

[0061] In combination Figure 4 , the second positioning member 42 can also include two second positioning plates 421 spaced apart in the transverse direction, wherein one of the second positioning plates 421 close to the driving motor is formed with the aforementioned avoiding gap 421a and is provided with the second protrusion 421c.

[0062] More specifically, the driving motor generally includes a housing, the housing is provided with a sleeve at each axial end, the sleeve is provided with a rotating shaft installed therein, for connecting with the short flexible shaft assembly and the long flexible shaft assembly respectively; the first upper positioning groove 411a and the first lower positioning groove 411b are actually used for positioning and assembling the sleeve, and similarly, the second positioning groove 421b is also used for positioning and assembling the sleeve; the housing of the driving motor is clamped between the first positioning member 41 and the second positioning member 42.

[0063] The long flexible shaft assembly can include a long flexible shaft, due to the relatively long length, the long flexible shaft is prone to shaking during torque transmission, therefore, an outer tube in the form of a rubber tube or the like needs to be sleeved outside the long flexible shaft; and the outer tube cannot rotate when the long flexible shaft rotates, to avoid noise generated by the rotation of the outer tube.

[0064] In the embodiment of the present application, as shown in Figure 1 , the support body 1 can also include a long flexible shaft mounting area 5 for mounting the long flexible shaft assembly; the long flexible shaft mounting area 5 can be provided with a plurality of third positioning members 51 spaced apart in the transverse direction, for positioning and assembling the long flexible shaft assembly, so that the rotation of the outer tube can be better avoided.

[0065] In detail, as shown in Figure 5As shown, the third positioning component 51 can include a supporting part 511 for providing lower support for the long flexible shaft assembly and an elastic clamping part 512 for clamping the long flexible shaft assembly. In more detail, the supporting part 511 can be provided with a supporting groove part with an opening upward, and the long flexible shaft assembly can be placed in the supporting groove part; and the elastic clamping part 512 can be an elastic buckle.

[0066] Further, the third positioning component 51 can further include a tight-fitting part 513, which can be provided with a tight-fitting groove 513a for interference assembly of the long flexible shaft assembly, so as to better ensure reliable assembly of the long flexible shaft assembly. The tight-fitting groove 513a can be an arc-shaped groove greater than 1 / 2 circle.

[0067] In addition, in the outer wall of the outer tube and the wall surface of the long flexible shaft mounting area 5, one can be provided with a clamping block, and the other can be provided with a slot-shaped or hole-shaped clamping fitting part. By inserting the clamping block into the clamping fitting part, reliable assembly of the long flexible shaft assembly can also be achieved.

[0068] The application also provides an electric sliding rail assembly, which includes a motor assembly and two sliding rail assemblies arranged in a transverse direction, and the motor assembly includes a motor bracket 1 and a driving motor mounted on the motor bracket 1. The motor bracket 1 is the motor bracket of the electric sliding rail assembly of the above-mentioned embodiments.

[0069] Since the above-mentioned motor bracket of the electric sliding rail assembly has the above-mentioned technical effects, the electric sliding rail assembly with the motor bracket also has similar technical effects, which will not be repeated here.

[0070] Taking the clamping member in the form of the motor bracket provided with the clamping groove 2 as an example, the sliding rail assembly can be provided with a clamping column, the upper end of the clamping column can be provided with a cover part, the clamping groove 2 of the motor bracket can clamp the clamping column, and the cover part can limit the vertical position of the motor bracket in cooperation with the upper surface of the sliding rail assembly. The clamping column can be a bolt, and at this time, the bolt head corresponds to the cover part.

[0071] The above is only the preferred embodiment of the application, and it should be pointed out that for ordinary skilled in the art, without departing from the principle of the application, a number of improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the application.

Claims

1. A motor bracket for an electric slide rail assembly, used to mount a drive motor, the electric slide rail assembly comprising two slide rail components spaced laterally apart, characterized in that, The motor bracket includes a bracket body (1), and both lateral ends of the bracket body (1) are provided with slotted snap-fit ​​components. The bracket body (1) is snap-fitted and assembled with the slide rail assembly through the snap-fit ​​components. The snap-fit ​​component is a snap-fit ​​groove (2). In the two transverse ends of the bracket body (1), the snap-fit ​​groove (2) at one transverse end includes a constricted groove (21), and the snap-fit ​​groove (2) at the other transverse end is a uniformly sized groove (23). The slide rail assembly is provided with a snap-fit ​​post. The snap-fit ​​post is snapped into the constricted groove (21) or the uniformly sized groove (23). The snap-fit ​​post includes a cover. The cover cooperates with the slide rail assembly to limit the vertical position of the bracket body (1). The snap-fit ​​post and the constricted groove (21) are tightly fitted, and the snap-fit ​​post and the uniformly sized groove (23) are loosely fitted. The bracket body (1) is provided with a motor mounting area (4) for mounting the drive motor. The two ends of the drive motor are respectively used to mount a short flexible shaft assembly and a long flexible shaft assembly. On the mounting side of the short flexible shaft assembly, the motor mounting area (4) is provided with a first positioning component (41) for positioning and assembling one lateral end of the drive motor. The first positioning component (41) includes two first positioning plates (411) arranged laterally. One of the first positioning plates (411) is provided with an upward-opening first upper positioning groove (411a), and the other first positioning plate (411) is provided with a downward-opening first lower positioning groove (411b). The first upper positioning groove (411a) is a tight-fit groove, and the first lower positioning groove (411b) is a U-shaped groove.

2. The motor bracket of the electric slide rail assembly according to claim 1, characterized in that, The snap-fit ​​groove (2) also includes a guide groove (22), which is connected to the small end of the constricted groove (21). The guide groove (22) forms the inlet groove of the snap-fit ​​groove (2) and is used to guide the snap-fit ​​post during assembly.

3. The motor bracket of the electric slide rail assembly according to claim 1, characterized in that, The lower wall surface of a local area at both ends of the support body (1) is provided with an upwardly recessed groove, and / or the upper wall surface of a local area at both ends of the support body (1) is provided with a downwardly recessed groove, so as to form a thin plate portion (3) in the local area, and the snap-fit ​​groove (2) is provided on the thin plate portion (3).

4. The motor bracket of the electric slide rail assembly according to claim 3, characterized in that, The upper and / or lower wall surfaces of the thin plate portion (3) in the area where the snap-fit ​​groove (2) is not provided are provided with a first protrusion (31). The first protrusion (31) is used to cooperate with the snap-fit ​​post and / or the slide rail assembly to define the vertical position of the bracket body (1).

5. The motor bracket of the electric slide rail assembly according to any one of claims 1-4, characterized in that, On the mounting side of the long flexible shaft assembly, the motor mounting area (4) is provided with a second positioning component (42), and the upper part of the second positioning component (42) is provided with an avoidance notch (421a) to avoid the rotation of the drive motor during installation.

6. The motor bracket of the electric slide rail assembly according to claim 5, characterized in that, The second positioning component (42) is provided with an upward-facing second positioning groove (421b), and the second positioning component (42) is provided with a second protrusion (421c) on the side of the drive motor that is adjacent to it in the lateral direction. The second protrusion (421c) is used to abut against the lateral end of the drive motor in the lateral direction.

7. The motor bracket of the electric slide rail assembly according to claim 5, characterized in that, The bracket body (1) also includes a long flexible shaft mounting area (5) for mounting the long flexible shaft assembly. The long flexible shaft mounting area (5) is provided with a number of third positioning components (51) spaced laterally for positioning and assembling the long flexible shaft assembly.

8. The motor bracket of the electric slide rail assembly according to claim 7, characterized in that, The third positioning component (51) includes a support portion (511) and an elastic clamping portion (512). The support portion (511) is used to provide lower support for the long flexible shaft assembly, and the elastic clamping portion (512) is used to clamp the long flexible shaft assembly.

9. The motor bracket of the electric slide rail assembly according to claim 7, characterized in that, The third positioning component (51) includes a tight fit part (513), which is provided with a tight fit groove (513a) for interference fitting of the long flexible shaft assembly.

10. The motor bracket of the electric slide rail assembly according to any one of claims 1-4, characterized in that, The support body (1) is made of plastic.

11. An electric slide rail assembly, comprising a motor assembly and two slide rail assemblies spaced laterally, the motor assembly comprising a motor bracket and a drive motor mounted on the motor bracket, characterized in that, The motor bracket is the motor bracket of the electric slide rail assembly according to any one of claims 1-10.

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