CN216101670U

CN216101670U - Electric seat slide rail structure with multiple rows of common rails, vehicle seat slide rail assembly and vehicle

Info

Publication number: CN216101670U
Application number: CN202122438095.3U
Authority: CN
Inventors: 张江林; 石江南; 孙晶
Original assignee: Nuo Chuang Auto Technology Shanghai Co ltd
Current assignee: Nuo Chuang Auto Technology Shanghai Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-03-22
Anticipated expiration: 2031-10-09

Abstract

The utility model provides a multi-row common rail electric seat slide rail structure, a vehicle seat slide rail assembly and a vehicle. The multi-row common rail electric seat slide rail structure can realize a multi-row electric adjusting mode of the seat slide rail and meet the requirement of multi-row common stroke of a long slide rail.

Description

Electric seat slide rail structure with multiple rows of common rails, vehicle seat slide rail assembly and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to a multi-row common rail electric seat slide rail structure. Meanwhile, the utility model also relates to a vehicle seat slide rail assembly applying the multi-row common rail electric seat slide rail structure. In addition, the utility model also relates to a vehicle provided with the vehicle seat slide rail assembly.

Background

Among the multiple vehicle models, the MPV vehicle model is increasingly favored by the terminal customer due to its larger passenger space and comfortable riding environment, and also becomes one of the growth points of each whole vehicle factory in the future. Conventional long rail products that are only used in the second bank have been gradually replaced by products that can be used in two or three banks of common rails, and even in one or two or three banks of common rails. In addition, along with the popularization of electromotion and intellectualization, the electric long slide rail also becomes a new hot product in the market.

At present, no electric long slide rail product with mass production exists in the market, and the driving scheme of the mainstream electric slide rail mostly adopts worm gear screw driving, gear and rack driving, brake cable driving and the like, and the brake cable driving is only applied to a single-row electric adjusting structure.

However, the electronic long slide rail of floodgate line driven among the prior art has following problem, and first can't satisfy multirow electric regulation, because the head and the tail both ends of floodgate line are connected with the head and the tail both ends of lower rail, when the multirow is total to the rail, the floodgate line of every row can't be connected with the head and the tail both ends of lower rail simultaneously, leads to unable multirow electric regulation. Secondly, can't satisfy the common rail of manual and electric hybrid and arrange, when adopting manual and electric hybrid to arrange altogether, manual slide rail can block head end or the tail end that electronic brake line and lower rail are connected, leads to the brake line can't link to each other through the tip of manual rail and lower rail, leads to unable electric regulation.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a multi-row common rail electric seat slide rail structure, so as to achieve multi-row electric adjustment of a seat slide rail and meet the requirement of multi-row common travel.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

the utility model provides an electric seat slide rail structure of multirow common rail, includes the lower slide rail, and sets up a plurality of last slide rails on the lower slide rail, it is a plurality of go up the slide rail and follow the length direction interval of lower slide rail is arranged, wherein:

the upper sliding rails are all electric upper sliding rails provided with brake wire wheel assemblies, end brake wires are connected between the brake wire wheel assemblies on the electric upper sliding rails close to the end parts of the lower sliding rails and the lower sliding rails, and middle brake wires are connected between the brake wire wheel assemblies on the electric upper sliding rails which are adjacently arranged;

the brake cable wheel assembly can be driven to rotate, so that the electric upper sliding rail corresponding to the brake cable wheel assembly slides along the lower sliding rail.

Further, the brake cable wheel assembly comprises a shell and a brake cable wheel rotatably arranged in the shell; the brake cable wheel is provided with a bearing part for bearing external rotation drive, a plurality of gaps are arranged on the side end face of the brake cable wheel, the end part of the brake cable connected with the brake cable wheel assembly is clamped in the gaps, and the brake cable is the end brake cable or the middle brake cable.

Further, the shell comprises an outer side cover plate and an inner side cover plate which are buckled together, and the brake cable wheel is rotatably arranged between the inner side cover plate and the outer side cover plate; the bearing part is a connecting hole arranged at the center of the brake line wheel, and at least a connecting through hole which is arranged in alignment with the connecting hole is arranged on the inner side cover plate.

Furthermore, a brake cable pre-tightening mechanism is arranged on the lower sliding rail, the end brake cable is connected with the lower sliding rail through the brake cable pre-tightening mechanism, and the brake cable pre-tightening mechanism has pre-tightening force applied to the end brake cable.

Furthermore, a gap eliminating mechanism arranged in a lever shape is rotatably arranged on each upper sliding rail; the gap eliminating mechanism is provided with a rolling body which is positioned at one end and is in rolling contact with the upper part of the lower sliding rail, and a second elastic piece which is positioned at the other end and is in contact with the upper sliding rail, gap eliminating inclined planes which are oppositely arranged are arranged on the rolling body, the contact inclined planes which are corresponding to the gap eliminating inclined planes are arranged on the lower sliding rail, and the contact inclined planes are in contact with the gap eliminating inclined planes.

Furthermore, a plurality of locking holes which are arranged at intervals along the length direction of the lower sliding rail are arranged on the lower sliding rail; and each upper sliding rail is respectively provided with a locking assembly which is matched with the locking hole and can form locking or unlocking between the upper sliding rail and the lower sliding rail.

Furthermore, each upper slide rail is rotatably provided with a bearing assembly; the bearing assembly is in rolling abutting joint with the lower part of the lower slide rail so as to form rolling support for the upper slide rail which slides relative to the lower slide rail; the bearing assembly is provided with centering inclined planes which are oppositely arranged, the centering inclined planes correspond to the centering inclined planes, and the lower sliding rail is provided with matching inclined planes which are abutted to the centering inclined planes.

Compared with the prior art, the utility model has the following advantages:

the utility model relates to a multi-row common rail electric seat slide rail structure, which is characterized in that a plurality of upper slide rails are arranged on a lower slide rail at intervals along the length direction of the lower slide rail, and a plurality of upper slide rails are arranged to be electric upper slide rails provided with brake wire wheel assemblies, and the brake wire wheel assemblies on the electric upper slide rails are correspondingly connected with a middle brake wire through end brake wires. Therefore, the brake wire wheel assembly is driven to rotate, the corresponding electric upper sliding rail can slide along the lower sliding rail, and multi-row electric adjustment of the seat sliding rail can be realized, so that the requirement of multi-row common travel is met.

According to the utility model, the multi-row electric adjustment mode of the seat slide rail can be realized by optimizing the connection mode of the brake cable, and the requirement of multi-row common stroke of the long slide rail can be met.

In addition, the brake cable pre-tightening mechanism arranged on the lower sliding rail can effectively prevent the brake cable from loosening to influence the use performance of the brake cable. Meanwhile, the gap eliminating mechanism is favorable for improving the stability of relative movement between the upper sliding rail and the lower sliding rail.

Another object of the present invention is to provide a vehicle seat slide rail assembly, comprising two slide rail mechanisms arranged side by side on two sides, wherein:

the two slide rail mechanisms are both of the electric seat slide rail structure with the multiple rows of common rails; the slide rail mechanisms on the two sides are symmetrically arranged, the upper slide rails in the slide rail mechanisms on the two sides form a plurality of pairs which are arranged oppositely, and a driving mechanism is arranged between each pair of the electric upper slide rails;

the driving mechanism is in transmission connection with the brake cable wheel assemblies on the two sides and is used for driving the brake cable wheel assemblies on the two sides to rotate synchronously.

Further, the driving mechanism comprises a motor support fixedly connected between the electric upper sliding rails on the two sides and a driving motor fixedly connected on the motor support; the brake cable wheel assemblies on two sides are connected through a synchronizing rod, and the driving motor is in transmission connection with the synchronizing rod.

Meanwhile, the utility model also provides a vehicle, wherein the vehicle seat slide rail assembly is arranged in the vehicle.

Compared with the prior art, the vehicle seat slide rail assembly and the vehicle and the electric seat slide rail structure with the multiple rows of common rails have the same beneficial effects, and are not repeated herein.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 is a schematic structural diagram of a multi-row electric common rail structure according to a first embodiment of the utility model;

fig. 2 is a schematic structural view illustrating the cooperation between the lower slide rail and the electric upper slide rail according to the first embodiment of the present invention;

fig. 3 is a schematic structural view of a lower slide rail according to a first embodiment of the present invention;

fig. 4 is an exploded view of the electric upper rail without the brake cable wheel assembly according to the first embodiment of the present invention;

FIG. 5 is a sectional view of the assembled structure of the lower slide rail and the upper slide rail according to the first embodiment of the present invention;

FIG. 6 is a diagram of a connection structure of the end gate line and the middle gate line according to a first embodiment of the present invention;

fig. 7 is a schematic view illustrating the engagement between the brake cable pre-tightening mechanism and the lower slide rail according to the first embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a gap eliminating mechanism according to a first embodiment of the present invention;

fig. 9 is a schematic view illustrating the second rolling element and the lower rail according to the first embodiment of the present invention;

FIG. 10 is a schematic view of a bearing assembly according to one embodiment of the present invention in cooperation with a lower rail;

FIG. 11 is a diagram illustrating the operation of the anti-backlash assembly and bearing assembly with the lower rail according to a first embodiment of the present invention;

FIG. 12 is a schematic structural diagram of a brake cable pulley assembly according to a first embodiment of the present invention;

FIG. 13 is a front view of a brake pulley according to a first embodiment of the present invention;

fig. 14 is a diagram illustrating an application state of a multi-row electric common rail structure according to a first embodiment of the present invention;

FIG. 15 is a schematic structural diagram of a driving mechanism according to a second embodiment of the present invention;

description of reference numerals:

1. a lower slide rail; 101. a locking hole; 102. a contact ramp; 103. a mating bevel; 2. an electric upper slide rail; 201. a locking assembly; 202. a gap eliminating mechanism; 203. a bearing assembly; 204. a rotating shaft; 205. a brake cable support; 206. mounting screws; 2021. eliminating the gap bracket; 2022. a rolling body; 2023. a second elastic member; 4. a brake cable wheel assembly; 401. an outer cover plate; 402. an inner side cover plate; 403. a brake wire wheel; 4011. a connecting via; 4031. connecting holes; 601. an end brake line; 602. a middle brake cable; 604. a fixed end; 605. a brake cable pre-tightening mechanism; 701. a motor bracket; 702. a drive motor; 703. a synchronization lever; 8. unlocking the motor; 801. unlocking the brake cable; 9. a controller; 10. and (4) riveting.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inside", "outside", etc. appear, they are based on the orientation or positional relationship shown in the drawings and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms first, second, etc. in this specification are not necessarily all referring to the same item, but are instead intended to cover the same item.

In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in conjunction with specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example one

The embodiment relates to a multirow is rail-mounted's electric seat slide rail structure altogether, and it mainly includes slide rail 1 down and sets up a plurality of upper slide rails on slide rail 1 down on whole constitutes, and a plurality of upper slide rails are arranged along the length direction interval of slide rail 1 down. Wherein, a plurality of slide rails all adopt the electronic slide rail 2 of going up of installing floodgate line wheel assembly 4. The plurality of electric upper slide rails 2 are correspondingly connected with the middle brake cable 602 through the end brake cable 601, and the brake cable wheel assembly 4 can be driven to rotate and drive the end brake cable 601 or the middle brake cable 602 to stretch or wind, so that the corresponding electric upper slide rail 2 can slide along the lower slide rail 1, and thus, the electric adjustment mode of the multi-row common rail of the seat slide rail is realized.

It should be noted that, as a preferred example, the multi-row common rail electric seat slide rail structure of the present embodiment is preferably applied to an MPV vehicle type having a large passenger space, and thus the lower slide rail 1 of the present embodiment is also a long slide rail structure having a long stroke commonly used by two-row seats and three-row seats of the MPV vehicle type, and through the plurality of electric upper slide rails 2, the corresponding seats can be electrically adjusted, and when the two-row seats and the three-row seats are adjusted simultaneously, the two-row seats and the three-row seats can be adjusted independently without affecting each other.

In addition, it should be noted that the lower slide rail 1 of the present embodiment can be used in other types of slide rail moving strokes besides the long slide rail structure commonly used by two-row and three-row seats in the MPV type, and is not limited herein. That is, it not only can be applied to the operating mode of two, three rows of common rails, also can be applied to three rows and more than the common rail and arrange the demand, and at this moment, the quantity of the electronic slide rail 2 that goes up that corresponds the setting can carry out adaptability according to the design needs and adjust.

In addition, it should be noted that the end brake cable 601 and the middle brake cable 602 mentioned in the present embodiment are usually made of steel wires, and other flexible members such as nylon ropes or belts may be used instead of steel wires.

The structure of the power seat slide rail with a plurality of rows of common rails will be described in detail.

In the overall structure, as shown in fig. 1 and fig. 2, the multi-row electric common rail structure of the present embodiment is specifically described in a structural form that two rows and three rows both adopt the electric upper sliding rail 2, at this time, as mentioned above, the multi-row electric common rail structure includes the lower sliding rail 1 and the plurality of electric upper sliding rails 2 arranged on the lower sliding rail 1, and the plurality of electric upper sliding rails 2 are arranged at intervals along the length direction of the lower sliding rail 1. Wherein, all install floodgate line wheel assembly 4 on each electronic slide rail 2, be connected with tip floodgate line 601 between the floodgate line wheel assembly 4 on the electronic slide rail 2 that is close to slide rail 1 tip down and slide rail 1 down, and on the electronic slide rail 2 that goes up of adjacent arrangement, be connected with middle floodgate line 602 between the floodgate line wheel assembly 4, and floodgate line wheel assembly 4 can be ordered about and rotate, and drive tip floodgate line 601 or the tensile or rolling of middle floodgate line 602, thereby make the electronic slide rail 2 that goes up that corresponds with it can slide along slide rail 1 down.

Specifically, first, as shown in fig. 2, an exemplary structure of the electric upper rail 2 and the electric lower rail 1 in the present embodiment is shown in fig. 3 and 4, respectively, and as shown in fig. 2, the electric upper rail 2 and the electric lower rail 1 in the present embodiment are long as a whole, but the length of the electric upper rail 2 is not so short as compared with the electric lower rail 1, and as a preferred embodiment, the electric upper rail 2 and the electric lower rail 1 are preferably made of an aluminum alloy.

Wherein, lower slide rail 1 is the equal opening setting in both ends to also be provided with a plurality of locking holes 101 along self length direction interval arrangement in the lateral part of lower slide rail 1. Each locking hole 101 can cooperate with the locking assembly 201 arranged on each upper sliding rail when the seat sliding rail is applied, so as to realize the locking or unlocking of the relative sliding between the upper sliding rail and the lower sliding rail 1, and the locking assembly 201 can be unlocked in an electric driving mode or in a manual driving mode, and the specific structure thereof can be found in the related structure of the existing automobile seat sliding rail.

The cross-sectional structure of the lower guideway 1 of the present embodiment is shown in fig. 5, the lower guideway 1 with the cross-section can be formed by extrusion process, and in the specific structural design, the lower portion in the lower guideway is provided with the matching inclined planes 103 symmetrically arranged at two sides, which are specifically matched with the bearing assembly 203 described below.

In addition, when the brake cable is used to drive the upper rail, in order to prevent the brake cable from loosening and affecting the use performance of the upper rail, the brake cable pre-tightening mechanism 605 is provided at each end of the lower rail 1 of the embodiment, the end brake cable 601 is connected to the lower rail 1 through the brake cable pre-tightening mechanism 605, and the brake cable pre-tightening mechanism 605 has a pre-tightening force applied to the end brake cable 601, so that the end brake cable 601 and the middle brake cable 602 can be pre-tightened.

As shown in fig. 6 and 7, the brake cable pre-tightening mechanism 605 is mounted on the lower rail 1 by the rivet 10, so that the brake cable pre-tightening mechanism 605 is fixedly mounted on the lower rail 1, and the fixed end 604 of the end brake cable 601 is fixed on the brake cable pre-tightening mechanism 605. It should be noted that the brake cable pre-tightening mechanism 605 in this embodiment may specifically adopt the structure disclosed in the chinese utility model patent with the patent name of brake cable pre-tightening mechanism 605 and the publication number of CN 213734679U. Of course, the brake cable pre-tightening mechanism 605 can also be other structures capable of applying pre-tightening force to the brake cable in the prior art besides the structure in the above-mentioned issued patent.

In addition, the multi-row common rail power seat slide rail structure of the present embodiment includes, in addition to the locking assembly 201, as a preferred embodiment, a bearing assembly 203 rotatably disposed on the upper slide rail and configured to roll and support the upper slide rail sliding relative to the lower slide rail 1, and a gap eliminating mechanism 202 rotatably disposed on the upper slide rail in a lever shape.

Specifically, as shown in fig. 8 and shown in fig. 4, the gap eliminating mechanism 202 of the present embodiment is specifically a pair of gap eliminating mechanisms 202 arranged at intervals near two ends of the upper rail, and each gap eliminating assembly is rotatably arranged on the upper rail in a lever shape, and structurally includes a gap eliminating bracket 2021, a rolling body 2022 located at one end of the gap eliminating bracket 2021 and in rolling contact with the contact inclined surface 102 on the upper portion of the lower rail 1, and a second elastic member 2023 located at the other end and in contact with the upper rail.

In this embodiment, the rolling element 2022 is specifically in one-to-one rolling contact with the contact inclined surface 102 on the upper portion of the lower slide rail 1 through a pair of anti-backlash inclined surfaces arranged oppositely thereon, and as shown in fig. 9, the pair of anti-backlash inclined surfaces on the rolling element 2022 is arranged in a shape of "eight", and the contact inclined surfaces 102 on both sides of the lower slide rail 1 are also arranged in a shape of "eight". At this time, the gap between the Y-direction and the Z-direction, that is, the gap between the lower rail 1 in the width direction and the height direction can be eliminated by the rolling contact between the gap eliminating inclined surface and the contact inclined surface 102.

In the arrangement of the gap eliminating assembly, it is only required to make the gap eliminating bracket 2021 rotate on the upper slide rail through the rotating shaft 204. When the gap eliminating bracket 2021 is rotationally arranged, the rotating shaft 204 for rotationally mounting the gap eliminating assembly is arranged close to one end of the rolling body 2022, and after the gap eliminating bracket 2021 is rotationally arranged, the second elastic element 2023 provides elastic force for the entire gap eliminating assembly, and the force value of the elastic force provided by the second elastic element 2023 can be amplified by adopting a lever form and the position arrangement of the rotating shaft 204. Meanwhile, the second elastic element 2023 may be, for example, a rubber block fixedly disposed at the other end of the gap eliminating bracket 2021. Alternatively, instead of the rubber block, it is also possible to adopt a structure such as a leaf spring, a gas spring, or the like.

In order to improve the smoothness and smoothness of the upper slide rail sliding on the lower slide rail 1, in this embodiment, each upper slide rail is rotatably provided with a bearing assembly 203, and the bearing assemblies 203 on each upper slide rail are also a pair arranged at intervals. As shown in fig. 4 and 10, the bearing assembly 203 is specifically configured to be in rolling contact with the lower portion of the lower slide rail 1, so as to provide a certain rolling support function for the upper slide rail sliding relative to the lower slide rail 1. Moreover, as a preferred embodiment, the bearing assembly 203 of the present embodiment is provided with a pair of centering inclined surfaces which are oppositely arranged, the centering inclined surfaces abut against the matching inclined surfaces 103 on the lower slide rail 1, and the centering inclined surfaces and the matching inclined surfaces 103 on the lower slide rail 1 are in an inverted "eight" shape, so that not only rolling support can be provided, but also a good centering effect can be achieved, and the sliding stability of the upper slide rail relative to the lower slide rail 1 can be ensured.

The bearing assembly 203 of the present embodiment is usually made of a plastic bearing structure, and the working state of the bearing assembly 203 of the present embodiment and the gap eliminating mechanism 202 can be as shown in fig. 11. At this time, the second elastic element 2023 of the gap eliminating assembly abuts against the inner wall of the upper rail, and the rolling element 2022 abuts against the lower rail and abuts against the lower rail by the elastic force generated by the second elastic element 2023. And the bearing assembly 203 rolls on the lower slide rail 1.

In addition, the brake cable brackets 205 are respectively disposed at two ends of the upper slide rail of the embodiment, as shown in fig. 5, on one hand, the brake cable brackets 205 can be used as the stopping points of the upper slide rail, and also used for fixing the end brake cable 601, so as to facilitate the arrangement of the end brake cable 601 on the upper slide rail. Meanwhile, the brake cable brackets 205 at each end are fixed to the upper slide rail by mounting screws 206.

In this embodiment, the brake pulley assembly 4 includes a housing, and a brake pulley 403 rotatably disposed in the housing. The brake cable wheel 403 is provided with a receiving portion for receiving external rotation drive, a plurality of notches are formed in the side end face of the brake cable wheel 403, the end portion of the brake cable connected with the brake cable wheel assembly 4 is clamped and embedded in the notches, and the brake cable is an end brake cable 601 or a middle brake cable 602.

Specifically, as shown in fig. 12 and 13, the housing includes an outer cover plate 401 and an inner cover plate 402 that are fastened together, and the brake cable wheel 403 is rotatably disposed between the inner cover plate 402 and the outer cover plate 401. Wherein, the ends of the two brake cables on the brake cable wheel 403 are inserted into the notches, as shown in the dotted circle in fig. 13. And the two brake wires are connected to the brake wire wheel 403 in a reverse winding manner, so that when the brake wire wheel 403 rotates, one of the brake wires is tightened and the other brake wire is stretched. It should be noted that, according to the position of the electric upper slide rail 2 corresponding to the brake cable wheel assembly 4, the two brake cables may correspond to the end brake cable 601, the middle brake cable 602, or both the end brake cable and the middle brake cable 602.

The receiving portion is specifically a connection hole 4031 provided in the center of the thyristor wheel 403, and at least the inner cover plate 402 is provided with a connection via 4011 aligned with the connection hole 4031. In this embodiment, it is preferable that the inner cover 402 and the outer cover 401 have the connection via 4011. Therefore, through the arrangement of the connecting hole 4031 and the connecting via 4011, the driving device can be matched with the synchronizing rod 703 in the following description to drive the brake wires on two sides, and is also beneficial to improving the rotating stability of the brake wire wheel 403 after being driven.

In a specific use process of the multi-row common rail electric seat slide rail structure of the present embodiment, reference may be made to fig. 14, wherein, specifically, a detailed description is given by taking an example that two rows and three rows are both electric upper slide rails 2, that is, as shown in fig. 14, two electric upper slide rails 2 are connected through a middle brake cable 602, and two end brake cables 601 are further respectively disposed on the two electric upper slide rails 2. The front end point and the rear end point are respectively fixed at two ends of the lower slide rail 1, and the reference point shown in fig. 15 can be selected from any position in the dashed line frame on the middle brake cable 602.

When the electric upper sliding rails 2 on the two rows are independently adjusted, the electric upper sliding rails 2 on the three rows are relatively fixed, and the electric adjustment on the two rows is the same as the conventional electric adjustment, namely, the end brake cable 601 or the middle brake cable 602 connected with the electric upper sliding rails is driven to stretch or wind, so that the electric upper sliding rails 2 move. When the electric upper sliding rails 2 on the three rows are independently adjusted, the electric upper sliding rails 2 on the two rows are relatively fixed, and at the moment, the three-row electric adjustment is also the same as the principle of independently adjusting the two rows, namely the conventional electric adjustment. When the two-row and three-row electric upper slide rails 2 are adjusted simultaneously, the reference points located in the dashed line frame on the middle brake cable 602 can be regarded as relatively fixed, and at this time, the two-row and three-row electric upper slide rails can be adjusted simultaneously and are independent of each other.

The multirow common rail's of this embodiment electric seat slide rail structure can realize the multirow electric regulation mode of seat slide rail through the connected mode of optimizing the floodgate line to can satisfy the demand of long slide rail multirow stroke altogether, and have better practicality.

Example two

The embodiment relates to a vehicle seat slide rail assembly, which comprises two slide rail mechanisms arranged on two sides side by side, wherein the two slide rail mechanisms adopt the multi-row common rail electric seat slide rail structure of the first embodiment. Specifically, the two side slide rail mechanisms are symmetrically arranged, the upper slide rails in the two side slide rail mechanisms form a plurality of pairs which are arranged oppositely, and a driving mechanism is arranged between each pair of electric upper slide rails 2. As shown in fig. 15 in combination with fig. 6, the driving mechanism of the present embodiment is in transmission connection with the brake cable pulley assemblies 4 on both sides, and is used for driving the brake cable pulley assemblies 4 on both sides to rotate synchronously.

As shown in fig. 15, the driving mechanism of this embodiment includes a motor support 701 fixedly connected between the two side electric upper slide rails 2, and a driving motor 702 fixedly connected to the motor support 701. The power output end of the driving motor 702 is connected with a synchronizing rod 703 in a transmission manner, and the brake cable wheel assemblies 4 on the two sides are connected with the driving motor 702 through the synchronizing rod 703, so that synchronous driving of the brake cables on the brake cable wheels 403 on the two sides is realized.

In addition, the vehicle seat slide rail assembly of the embodiment is further provided with an unlocking mechanism, and of course, the unlocking mechanism can be unlocked in an electric mode and also can be unlocked in a manual mode. Fig. 15 shows an unlocking mechanism in an electric mode, and if unlocking is performed in a manual mode, the specific unlocking mechanism can refer to a related structure in the prior art.

Specifically, as shown in fig. 15, the unlocking motor 8 in the unlocking mechanism is specifically fixed between the upper sliding rails on both sides via an unlocking motor 8 mounting bracket, and two unlocking brake wires 801 driven by the unlocking motor 8 can be arranged in the same structure as the brake wire wheel 403 and are in transmission connection with the unlocking motor 8, but the two unlocking brake wires 801 should be wound in the same direction to have a consistent unlocking action. After the unlocking mechanism is disposed in the slide rail mechanism, the fixed end 604 of each unlocking brake cable 801 is connected to the corresponding locking assembly 201.

As a preferred embodiment, a controller 9 connected to the driving motor 702 and the unlocking motor 8 may further be provided in this embodiment. The controller 9 is used for receiving an external control signal to control the actions of the driving motor 702 and the unlocking motor 8, so as to realize automatic adjustment of the seat slide rail, and in the specific implementation, the controller 9 may be separately arranged, or it may also be integrated in the seat control device.

In addition, the embodiment also relates to a vehicle, and the vehicle is provided with the vehicle seat slide rail assembly.

The vehicle seat slide rail assembly and the vehicle of this embodiment, through the electric seat slide rail structure of applied embodiment one multirow common rail can realize the electrical control of multirow seat, and adjust each other not influence to can satisfy the multirow demand of stroke altogether of long slide rail, and have better result of use.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides an electric seat slide rail structure of multirow common rail which characterized in that: including lower slide rail (1), and set up a plurality of upper slide rails on lower slide rail (1), it is a plurality of upper slide rail is followed the length direction interval of lower slide rail (1) is arranged, wherein:

the upper sliding rails are all electric upper sliding rails (2) provided with brake wire wheel assemblies (4), end brake wires (601) are connected between the brake wire wheel assemblies (4) on the electric upper sliding rails (2) close to the end parts of the lower sliding rails (1) and the lower sliding rails (1), and middle brake wires (602) are connected between the brake wire wheel assemblies (4) on the electric upper sliding rails (2) which are adjacently arranged;

the brake cable wheel assembly (4) can be driven to rotate, so that the electric upper sliding rail (2) corresponding to the brake cable wheel assembly slides along the lower sliding rail (1).

2. The multi-row common rail power seat track structure of claim 1, wherein:

the brake cable wheel assembly (4) comprises a shell and a brake cable wheel (403) rotatably arranged in the shell;

the brake cable wheel (403) is provided with a bearing part for bearing external rotation drive, a plurality of gaps are arranged on the side end face of the brake cable wheel (403), the end part of a brake cable connected with the brake cable wheel assembly (4) is clamped in the gaps, and the brake cable is the end part brake cable (601) or the middle brake cable (602).

3. The multi-row common rail power seat track structure of claim 2, wherein:

the shell comprises an outer side cover plate (401) and an inner side cover plate (402) which are buckled together, and the brake pulley (403) is rotatably arranged between the inner side cover plate (402) and the outer side cover plate (401);

the bearing part is a connecting hole (4031) arranged at the center of the brake wire wheel (403), and at least a connecting through hole (4011) which is aligned with the connecting hole (4031) is arranged on the inner side cover plate (402).

4. The multi-row common rail power seat track structure of claim 1, wherein:

the brake cable pre-tightening mechanism (605) is arranged on the lower sliding rail (1), the end brake cable (601) is connected with the lower sliding rail (1) through the brake cable pre-tightening mechanism (605), and the brake cable pre-tightening mechanism (605) has pre-tightening force applied to the end brake cable (601).

5. The multi-row common rail power seat track structure of claim 1, wherein:

a gap eliminating mechanism (202) which is arranged in a lever shape is rotatably arranged on each upper sliding rail;

the gap eliminating mechanism (202) is provided with a rolling body (2022) which is positioned at one end and is in rolling contact with the upper part of the lower sliding rail (1), and a second elastic piece (2023) which is positioned at the other end and is in contact with the upper sliding rail, the rolling body (2022) is provided with gap eliminating inclined planes which are oppositely arranged, the contact inclined planes (102) which are in contact with the gap eliminating inclined planes are arranged on the lower sliding rail (1) correspondingly to the gap eliminating inclined planes.

6. The multi-row common rail power seat track structure of claim 1, wherein:

the lower sliding rail (1) is provided with a plurality of locking holes (101) which are arranged at intervals along the length direction of the lower sliding rail;

and each upper sliding rail is respectively provided with a locking assembly (201) which is matched with the locking hole (101) and can lock or unlock between the upper sliding rail and the lower sliding rail (1).

7. The multi-row common rail power seat slide rail structure according to any one of claims 1 to 6, wherein:

each upper sliding rail is rotatably provided with a bearing assembly (203);

the bearing assembly (203) is in rolling contact with the lower part of the lower slide rail (1) to form rolling support for the upper slide rail which slides relative to the lower slide rail (1);

the bearing assembly (203) is provided with centering inclined planes which are oppositely arranged, corresponding to the centering inclined planes, and the lower sliding rail (1) is provided with matching inclined planes (103) which are abutted to the centering inclined planes.

8. A vehicle seat track assembly, characterized by: including arranging in two slide rail mechanism of both sides side by side, wherein:

the two slide rail mechanisms adopt the multi-row common rail electric seat slide rail structure of any one of claims 1 to 7;

the slide rail mechanisms on the two sides are symmetrically arranged, the upper slide rails in the slide rail mechanisms on the two sides form a plurality of pairs which are arranged oppositely, and a driving mechanism is arranged between each pair of the electric upper slide rails (2);

the driving mechanism is connected with the brake wire wheel assemblies (4) on the two sides in a transmission manner and is used for driving the brake wire wheel assemblies (4) on the two sides to rotate synchronously.

9. The vehicle seat track assembly of claim 8, wherein:

the driving mechanism comprises a motor support (701) fixedly connected between the electric upper sliding rails (2) on two sides and a driving motor (702) fixedly connected on the motor support (701);

the brake wire wheel assemblies (4) on the two sides are connected through a synchronous rod (703), and the driving motor (702) is in transmission connection with the synchronous rod (703).

10. A vehicle, characterized in that: the vehicle having the vehicle seat track assembly of claim 8 or 9 disposed therein.