CN218054921U

CN218054921U - Novel horizontal adjustment transmission assembly

Info

Publication number: CN218054921U
Application number: CN202222087346.2U
Authority: CN
Inventors: 陈善章; 张闪
Original assignee: Shanghai Shenghuabo Automobile Electric Appliance Co ltd
Current assignee: Shanghai Shenghuabo Automobile Electric Appliance Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-12-16
Anticipated expiration: 2032-08-09

Abstract

The utility model discloses a novel horizontal adjustment transmission assembly, include: the transmission assemblies are arranged in the sliding rails and provide power for the upper rails to move back and forth through respective screw rods; it is characterized by also comprising: a cover plate fixed on the transmission assembly; and the square shaft of the micro motor is directly connected with the inner worm in the transmission assembly. The utility model provides a novel level (l) ing transmission assembly through bridge carrier and the flexible axle of cancellation among the current level (l) ing transmission assembly, changes into the technical scheme that two micro motor pass through ECU control micro motor drive HDM's back-and-forth movement, has increased the activity space for the back row passenger. Meanwhile, the two micro motors are large in torque, and force provided by the front and the back of the seat can be met.

Description

Novel horizontal adjustment transmission assembly

Technical Field

The utility model relates to a seat track field, in particular to novel horizontal adjustment transmission assembly.

Background

Referring to fig. 1, the horizontal adjustment transmission assembly of the conventional structure is connected by a bridge bracket 1, and provides power for two transmission assemblies (HDM) 4 through a large motor 2 and a flexible shaft 3, and the two transmission assemblies 4 provide power for a pair of slide rails 5 to move back and forth through respective screw rods (not shown in the figure). The slide rail with the structure occupies a large space, and has high requirement on the power of the large motor 2.

In the invention, two motors are adopted to respectively drive respective screw rods to provide power for a pair of slide rails to move back and forth, and parts such as a motor bracket, a flexible shaft and the like are omitted through a built-in electric motor, so that the number of the parts is reduced, the requirement of a more complex electric vehicle body environment can be met, and the universality and the stability are better. However, the motor is arranged in a notch in the middle of the upper rail, and the screw rod is in threaded connection with a rotor shaft of the motor, so that a special built-in motor is needed, the built-in motor needs to be arranged in the sliding rail when the sliding rail is manufactured, the existing sliding production process is influenced, the structure is complex, and the manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

The present invention provides a novel horizontal adjustment transmission assembly with a simple structure, which eliminates a bridge support and a flexible shaft and increases the activity space for the back-row passengers, aiming at the defects of the prior art.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is:

a novel level adjustment drive assembly comprising:

the transmission assemblies are arranged in the sliding rails and provide power for the upper rails to move back and forth through respective screw rods; it is characterized by also comprising:

a cover plate fixed on the transmission assembly;

and the square shaft of the micro motor is directly connected with the inner worm in the transmission assembly.

In a preferred embodiment of the utility model, a pair of micro motor that provides power for the transmission assembly in a pair of slide rail carries out the rotational speed through the ECU module and adjusts to the unanimous requirement of slide rail functioning speed about satisfying.

In a preferred embodiment of the present invention, the axis of the square shaft of the micro-motor is perpendicular to the axis of the screw shaft in the transmission assembly.

In a preferred embodiment of the present invention, the cover plate has a flat plate portion and two folding portions disposed in parallel on two sides of the flat plate portion, and the two folding portions extend downward from the flat plate portion, wherein the flat plate portion is fixed to the transmission assembly by a fastener, and one folding portion hooks on a side of the upper rail, and the micro motor is fixed to the other folding portion by a fastener.

In a preferred embodiment of the present invention, a protruding portion protruding upward in a vertical direction is disposed at a middle position of the flat plate portion, a sinking portion is disposed on each of two sides of the square shaft of the micro motor of the flat plate portion, and a bolt through hole is disposed on each sinking portion; when the cover plate is installed, the two bolt through holes are aligned with the two threaded holes in the transmission assembly one by one, and the two bolts penetrate through the corresponding bolt through holes and then are screwed into the corresponding threaded holes in the transmission assembly, so that the cover plate can be fixed on the transmission assembly.

In a preferred embodiment of the present invention, a gap is formed between the middle position of the protruding portion and the middle position of the other folding portion to accommodate the protruding portion of the bearing of the micro motor, so that the occupied space of the micro motor can be reduced.

In a preferred embodiment of the present invention, two screw through holes are opened on the other folding portion, and the two screw through holes are separately arranged on two sides of the notch, and when the micro-motor is installed, two screws are screwed into the corresponding screw holes of the micro-motor through the corresponding screw through holes, so that the micro-motor is fixedly installed on the cover plate.

In a preferred embodiment of the present invention, the square shaft of the micro motor is 3mm × 3mm.

The beneficial effects of the utility model reside in that:

the utility model provides a novel level (l) ing transmission assembly through bridge carrier and the flexible axle of cancellation among the current level (l) ing transmission assembly, changes into the technical scheme that two micro motor pass through ECU control micro motor drive HDM's back-and-forth movement, has increased the activity space for the back row passenger. Meanwhile, the two micro motors are large in torque, and force provided by the front and the back of the seat can be met. In addition, the cover plate and the micro motor of the utility model can be installed after the slide rail is manufactured, compared with the electric slide rail disclosed in the Chinese invention patent publication No. CN109050354B, the structure is simpler, and the manufacturing process of the existing slide rail with HDM can not be influenced. Furthermore, the micro motor of the present invention can be a common large torque micro motor without using a special built-in motor structure in "an electric slide rail" disclosed in the chinese patent publication No. CN 109050354B.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

Fig. 1 is a schematic structural view of a conventional level-adjusting transmission assembly.

Fig. 2 is a schematic structural view of the horizontal adjustment transmission mechanism assembly of the present invention.

Fig. 3 is an exploded view of the horizontal adjustment drive mechanism assembly of the present invention.

Fig. 4 is a schematic structural view of the horizontal adjustment transmission mechanism assembly of the present invention installed on the slide rail.

Detailed Description

In the description of the invention, as used in the specification, the singular forms "a", "an", and "the" include plural referents unless the context clearly dictates otherwise. The terms "comprising," "including," and "containing" when used in this specification specify the presence of stated features, but do not preclude the presence or addition of one or more other features. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.

In the description, when an element is referred to as being "on," "fixed to," "connected to," coupled to, "etc. another element, it can be directly on, fixed to, connected to, coupled to, or contacting the other element, or intervening elements may be present. In the description, one feature is disposed "adjacent" another feature, and may mean that one feature has a portion overlapping with or above or below an adjacent feature.

It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. Thus, a first element could be termed a second element without departing from the teachings of the present inventive concept.

Exemplary embodiments of the present application will be described below with reference to the accompanying drawings. It should be understood, however, that the present application may be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. It is also to be understood that the embodiments disclosed herein can be combined in various ways to provide further additional embodiments. Throughout the drawings, like reference numbers indicate identical or functionally identical elements.

Referring to fig. 2 and 3, a novel level adjustment drive assembly is shown comprising a drive assembly (HDM) 30, a cover plate 20 and a micro-motor 10.

The drive assembly (HDM) 30 is substantially identical in construction to the drive assembly (HDM) 4 of the prior art (of fig. 1). The drive assemblies (HDMs) 30 power the forward and backward movement of the headrail 31 (see fig. 4) via respective lead screws 31.

The utility model is characterized in that: the gap bridge support 1 and the flexible shaft 3 shown in figure 1 are eliminated, a large motor 2 is replaced by two micro motors 10, each micro motor 10 is installed on a transmission assembly (HDM) 30 through a cover plate 20, a square shaft 11 of each micro motor 10 is directly connected with an inner worm 32 in the transmission assembly 10 to provide power for the transmission assembly 30 (the square shaft 11 of each micro motor 10 is matched with a square hole of 3mm multiplied by 3mm in the inner screw 32, and the size of the square shaft 11 of each micro motor 10 is 3mm multiplied by 3 mm). The rotation speed of the pair of micro motors 10 for providing power to the pair of transmission assemblies (HDM) 30 is adjusted by the ECU module to meet the requirement of the operating speed consistency of the left and right slide rails, which is described in detail as follows:

the cover plate 20 has a flat plate portion 21 and folded

portions

22, 23 arranged in parallel on both sides of the flat plate portion, and the two folded

portions

22, 23 extend downward from the flat plate portion 21.

The middle of the flat plate portion 21 is provided with a protrusion 21a protruding upwards in a vertical direction, and the two sides of the square shaft 11 of the micro motor 10 of the flat plate portion 21 are respectively provided with a

sinking portion

21b, 21c, so that the shape of the whole flat plate portion 21 is adapted to the upper shape of the conventional assembly (HDM) 30.

Each

sinking portion

21b, 21c is provided with a bolt through hole 21ba, 21ca; during installation, the two bolt through holes 21ba and 21ca are aligned with the two threaded holes 31 and 32 of the transmission assembly (HDM) 30 one by one, and the two bolts 50 are screwed into the corresponding threaded

holes

33 and 34 of the transmission assembly (HDM) 30 after passing through the corresponding bolt through holes 21ba and 21ca, so that the cover plate 20 is fixed on the transmission assembly (HDM) 30.

A notch 24 is formed at the middle position of the protruding part 21a and the middle position of the other folding edge part 23 to accommodate the protruding part of the bearing of the micro motor, so that the space occupied by the motor can be reduced. In addition, two screw through holes 23a, 23b are opened on the other folding portion 23, and the two screw through holes 23a, 23b are respectively disposed at two sides of the notch 24, when mounting, two screws 60 are screwed into corresponding screw holes (not shown in the figure) on the micro motor 10 through the corresponding screw through holes 23a, 23b, so that the micro motor 10 can be fixedly mounted on the cover plate 20.

Referring to fig. 4, after the cover plate 20 is fixed to the transmission assembly (HDM) 30, one of the bent portions 22 is hooked on a side of the upper rail 41, and an axis of the square shaft 11 of the micro-motor 10 is perpendicular to an axis of the screw 31 in the transmission assembly (HDM) 30.

Claims

1. A novel level adjustment drive assembly comprising:

a cover plate fixed on the transmission assembly;

2. The novel horizontal adjustment transmission assembly as claimed in claim 1, wherein a pair of micro motors for providing power to the transmission assembly in a pair of slide rails performs rotation speed adjustment through the ECU module to meet the requirement of uniform running speed of the left and right slide rails.

3. The novel horizontal adjustment drive assembly as claimed in claim 1, wherein the axis of the square shaft of the micro motor is perpendicular to the axis of the screw shaft in the drive assembly.

4. A novel horizontal adjustment drive assembly as claimed in any one of claims 1 to 3 wherein the cover plate has a flat plate portion and two flange portions disposed parallel to each other on opposite sides of the flat plate portion, the two flange portions extending downwardly from the flat plate portion, wherein the flat plate portion is fixed to the drive assembly by a fastener, one flange portion is hooked to a side of the upper rail, and the micro-motor is fixed to the other flange portion by a fastener.

5. The novel horizontal adjustment transmission assembly as claimed in claim 4, wherein the middle of the flat plate portion is provided with a protrusion protruding upward in a vertical direction, the flat plate portion is provided with a sinking portion at each side of the square shaft of the micro motor, and each sinking portion is provided with a bolt through hole.

6. The novel horizontal adjustment transmission assembly as claimed in claim 5, wherein a notch is formed at the middle position of the protruding portion and the middle position of the other folding portion to accommodate the protruding portion of the bearing of the micro motor.

7. The novel horizontal adjustment transmission assembly as claimed in claim 6, wherein two screw through holes are formed on the other folded edge portion, and the two screw through holes are respectively formed on two sides of the notch.

8. The novel horizontal adjustment drive assembly as claimed in claim 1, wherein the square shaft dimension of the micro motor is 3mm x 3mm.