CN111845476A

CN111845476A - Simple automobile seat slide rail external middle position limiting structure

Info

Publication number: CN111845476A
Application number: CN202010875117.XA
Authority: CN
Inventors: 吴乐奇; 张铁军; 孙长久; 杜垚; 陶双龙; 张立龙
Original assignee: Changchun Faway Adient Automotive Systems Co Ltd
Current assignee: Changchun Faway Adient Automotive Systems Co Ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2020-10-30

Abstract

The invention provides a simple external middle position limiting structure of an automobile seat slide rail, which comprises a stop block, an upper connecting bracket, a lower connecting bracket, a rotating shaft assembly and a rotating handle, wherein the stop block is arranged at the front end of the side surface of the slide rail bracket, the upper connecting bracket is arranged between a lower seat frame and the slide rail, the lower connecting bracket is arranged at the side surfaces of the slide rail and the slide rail bracket, the lower connecting bracket is connected with the upper connecting bracket through the rotating shaft assembly, the rotating handle is arranged on the lower connecting bracket, when the rotating handle is at an initial position, a return torsion spring is in a relaxation state, the upper connecting bracket slides to the front end of the slide rail bracket, the lower connecting bracket and the stop block are mutually contacted to stop sliding forwards, the rotating handle is lifted upwards at the moment, the return torsion. The invention has convenient disassembly, can change the stroke of the slide rail on the premise of not influencing the design and the use of the slide rail, has small and exquisite structure and flexible arrangement, can be applied to slide rails of various types and strokes, and has strong universality.

Description

Simple automobile seat slide rail external middle position limiting structure

Technical Field

The invention belongs to the technical field of automobile seat accessories, and particularly relates to a simple external middle position limiting structure of an automobile seat slide rail.

Background

When a part of heavy truck is parked and laid on a flat sleeper, a front row of automobile seats need to be moved to the forefront of the frequently-used range of the seats and then slide forwards for a stroke to provide laying space for the rear sleeper, but in the driving process, in order to ensure traffic safety and riding comfort of front row passengers, the stroke of further sliding is not utilized in the driving process, and needs to be locked so as not to cause danger. The limiting structure of the existing automobile seat sliding rail is mostly a sliding rail built-in limiting structure, the sliding rail built-in limiting structure can move within a full travel range in the pulling process, a passenger can pull the seat to the foremost end through simple pulling, and the seat is extremely easy to cause danger in the travel range which should not be utilized in the driving process, and the built-in limiting structure is matched with the sliding rail for use, cannot be detached for use, and does not have universality.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a simple external middle position limiting structure of an automobile seat slide rail.

The technical scheme of the invention is as follows:

a simple external middle position limiting structure of an automobile seat slide rail comprises a stop block, an upper connecting bracket, a lower connecting bracket, a rotating shaft assembly and a rotating handle, wherein the stop block is arranged at the front end of the side surface of the slide rail bracket; the upper connecting bracket is arranged between the lower seat frame and the slide rail, and the upper connecting bracket and the lower seat frame slide along the slide rail together; the lower connecting bracket is arranged on the side surfaces of the slide rail and the slide rail bracket and is connected with the upper connecting bracket through the rotating shaft assembly; the rotating shaft assembly comprises a rotating shaft, shaft sleeves arranged at two ends of the rotating shaft and a return torsion spring arranged between the two shaft sleeves, the return torsion spring is sleeved on the rotating shaft, one end of the return torsion spring is hung with the upper connecting bracket, and the other end of the return torsion spring is hung with the lower connecting bracket; the twist grip is installed on lower linking bridge, works as when twist grip is in the initial position, the return torsional spring is in the diastole state, slides go up linking bridge to slide rail support front end, lower linking bridge with the dog mutual contact prevents go up linking bridge and continue to slide forward, lift this moment during the twist grip, the return torsional spring is in compression state, lower linking bridge with the dog separation, it can continue to slide forward to go up linking bridge.

Preferably, the upper connecting bracket comprises an upper connecting plate, the upper connecting plate is provided with a front mounting hole and a rear mounting hole, a front bolt penetrates through the front mounting hole and is mounted on the slide rail, and a rear bolt penetrates through the lower seat frame and the rear mounting hole in sequence and is mounted on the slide rail; two arc-shaped welding parts and two limiting clamping jaws extend outwards from the outer side of the upper connecting plate, arc-shaped openings of the arc-shaped welding parts are arranged downwards, and the arc-shaped openings of the two arc-shaped welding parts are respectively welded with a shaft sleeve; two the setting of spacing jack catch is two between the arc welding part, two the upset angle that connecting bracket under the spacing jack catch is used for limiting, two offer the district of dodging on being used for holding the return torsional spring between the spacing jack catch, the root of one of them spacing jack catch articulates with the one end of return torsional spring.

Preferably, the lower connecting support comprises a lower connecting plate, a hanging part hung and connected with the other end of the return torsion spring is arranged on the lower connecting plate, the hanging part is arranged below the lower connecting plate, the left side and the right side of the hanging part are hollowed out, and the front end and the rear end of the hanging part are integrally connected with the lower connecting plate; a limiting plate extends downwards from the left side of the lower connecting plate and comprises a bottom limiting part which is in mutual contact with the stop block and a rear limiting part which is in mutual contact with the side surface of the slide rail; a right welding plate extends downwards from the right side of the lower connecting plate; the rear end downwardly extending of lower connecting plate has the back weld plate, offer the lower district of dodging that is used for holding the return torsional spring on the back weld plate, an arc welding recess has been seted up along left right direction on the back weld plate, arc welding recess and rotation axis welding and rotation axis setting are in the top of rear end spacing portion.

Preferably, the stop block comprises a fixed plate, two bolt holes are formed in the fixed plate, the fixed plate is fixedly mounted at the bottom end of the slide rail support through bolts, a clamping plate extends upwards from one side of the fixed plate, a protrusion extends forwards from the middle of the front end of the clamping plate and contacts with the side face of the slide rail support, a triangular plate extends inwards from the upper end of the clamping plate, one side of the triangular plate contacts with the side face of the slide rail support, and the other side of the triangular plate and the rear end of the clamping plate are used for blocking the bottom end limiting part from moving forwards.

Preferably, the rotating handle is U-shaped, and two ends of the rotating handle are respectively welded on the limiting plate and the right welding plate.

Preferably, the arc-shaped welding portion is provided with a reinforcing rib.

Preferably, an included angle between a plane formed by the other edge of the triangular plate and the rear end of the clamping plate and the side surface of the slide rail bracket is not more than 90 degrees.

The invention has the following beneficial effects:

(1) the simple external middle position limiting structure for the automobile seat slide rail, provided by the invention, is convenient to disassemble, can change the stroke of the slide rail on the premise of not influencing the design and use of the slide rail, is small and exquisite in structure, has flexible arrangement, can be applied to slide rails of various types and strokes, and is strong in universality.

(2) The simple external middle position limiting structure of the automobile seat slide rail, provided by the invention, has the advantages that the included angle between the plane formed by the other side of the triangular plate in the stop block structure and the side surface of the slide rail support is not more than 90 degrees, the design can ensure that the seat slides to the stop block, the stop block can completely prevent the bottom limiting part from moving forwards, the seat cannot slide forwards again, when the rotary handle is lifted, the bottom limiting part moves to the position above the stop block, the seat can continuously slide forwards, and when the seat needs to slide backwards, the middle position of the front end of the clamping plate extends forwards to form the bulge which is contacted with the side surface of the slide rail support, so that the bottom limiting part can slide backwards along the bulge, the rotary handle does not need to be lifted again, the operation is convenient, and.

(3) According to the simple external middle position limiting structure of the automobile seat slide rail, when the rotating handle is pulled upwards, the bottom limiting part moves to the position above the stop block, the two limiting clamping jaws are in mutual contact with the lower connecting plate at the moment to limit the lower connecting plate to move upwards continuously, the service cycle of the return torsion spring is prolonged, and the collision problem caused by direct contact between the lower connecting bracket and the lower frame of the seat is avoided.

Drawings

Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description taken in conjunction with the accompanying drawings. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a schematic structural view of an upper connecting bracket according to the present invention.

Fig. 4 is a schematic structural view of the lower connecting bracket of the present invention.

Fig. 5 is a schematic structural view of the stopper of the present invention.

Fig. 6 is an assembly schematic of the present invention.

Fig. 7 is a front view of fig. 6.

Fig. 8 is an enlarged view of fig. 7 at a.

Wherein the reference numerals are: the stop block 1, the upper connecting bracket 2, the lower connecting bracket 3, the rotating shaft component 4, the rotating handle 5, the fixing plate 11, the bolt hole 111, the clamping plate 12, the protrusion 121, the triangular plate 13, the upper connecting plate 21, the front mounting hole 211, the rear mounting hole 212, the arc-shaped welding portion 22, the reinforcing rib 221, the limiting claw 23, the upper avoidance area 24, the lower connecting plate 31, the hanging portion 32, the limiting plate 33, the bottom limiting portion 331, the rear end limiting portion 332, the right welding plate 34, the rear welding plate 35, the lower avoidance area 351, the arc-shaped welding groove 352, the rotating shaft 41, the shaft sleeve 42 and the return torsion spring 43.

Detailed Description

In order to make the technical solutions and advantages thereof better understood by those skilled in the art, the present application is described in detail below with reference to the accompanying drawings, but the present application is not limited to the scope of the present invention.

Referring to fig. 1 and 6: a simple external middle position limiting structure of an automobile seat slide rail comprises a stop block 1, an upper connecting support 2, a lower connecting support 3, a rotating shaft assembly 4 and a rotating handle 5.

Referring to fig. 2, 5 and 6: dog 1 installs the front end in sliding rail bracket side, dog 1 includes fixed plate 11, two bolt holes 111 have been seted up on fixed plate 11, fixed plate 11 passes through bolt fixed mounting in sliding rail bracket's bottom, one side of fixed plate 11 upwards extends there is cardboard 12, the intermediate position of the front end of cardboard 12 extends arch 121 forward, arch 121 and sliding rail bracket's side contact, the inside extension in upper end of cardboard 12 has set-square 13, one side and sliding rail bracket's side contact of set-square 13, the another side of set-square 13 and the rear end of cardboard 12 are used for blockking the spacing portion 331 in bottom and move forward, the contained angle between the plane that the another side of set-square 13 and the rear end of cardboard 12 formed and sliding rail bracket's side is not more than 90 degrees.

Referring to fig. 1 to 3 and 6 to 8: the upper connecting bracket 2 is arranged between the lower seat frame and the slide rail, and the upper connecting bracket 2 and the lower seat frame slide along the slide rail together; the upper connecting bracket 2 comprises an upper connecting plate 21, a front mounting hole 211 and a rear mounting hole 212 are formed in the upper connecting plate 21, a front bolt penetrates through the front mounting hole 211 to be mounted on a slide rail, and a rear bolt penetrates through the lower seat frame and the rear mounting hole 212 in sequence to be mounted on the slide rail; two arc-shaped welding parts 22 and two limiting clamping jaws 23 extend outwards from the outer side of the upper connecting plate 21, arc-shaped openings of the arc-shaped welding parts 22 are arranged downwards, reinforcing ribs 221 are arranged on the arc-shaped welding parts 22, and the arc-shaped openings of the two arc-shaped welding parts 22 are respectively welded with one shaft sleeve 42; two spacing jack catchs 23 set up between two arc welding parts 22, and two spacing jack catchs 23 are used for limiting down linking bridge 3's rotation angle, offer the last district 24 of dodging that is used for holding return torsion spring 43 between two spacing jack catchs 23, and the root of one of them spacing jack catchs 23 and return torsion spring 43's one end articulates.

Referring to fig. 1, fig. 2, fig. 4, fig. 6 to fig. 8: the lower connecting bracket 3 is arranged on the side surfaces of the slide rail and the slide rail bracket, and the lower connecting bracket 3 is connected with the upper connecting bracket 2 through the rotating shaft assembly 4; the lower connecting bracket 3 comprises a lower connecting plate 31, a hanging part 32 hung with the other end of the return torsion spring 43 is arranged on the lower connecting plate 31, the hanging part 32 is arranged below the lower connecting plate 31, the left side and the right side of the hanging part 32 are hollowed out, and the front end and the rear end of the hanging part 32 are integrally connected with the lower connecting plate 31; a limiting plate 33 extends downwards from the left side of the lower connecting plate 31, and the limiting plate 33 comprises a bottom limiting part 331 which is contacted with the stop block 1 and a rear limiting part 332 which is contacted with the side surface of the slide rail; a right welding plate 34 extends downwards from the right side of the lower connecting plate 31; a rear welding plate 35 extends downwards from the rear end of the lower connecting plate 31, a lower avoidance area 351 for accommodating the return torsion spring 43 is formed in the rear welding plate 35, an arc-shaped welding groove 352 is formed in the rear welding plate 35 in the left-right direction, the arc-shaped welding groove 352 is welded with the rotating shaft 41, and the rotating shaft 41 is arranged above the rear end limiting portion 332;

the rotating shaft assembly 4 comprises a rotating shaft 41, shaft sleeves 42 arranged at two ends of the rotating shaft 41 and a return torsion spring 43 arranged between the two shaft sleeves 42, wherein the return torsion spring 43 is sleeved on the rotating shaft 41; the twist grip 5 is installed on lower linking bridge 3, the twist grip 5 is the U type, the both ends of twist grip 5 weld respectively on limiting plate 33 and right welding board 34, when twist grip 5 was in initial position, return torsional spring 43 was in the state of relaxing, rear end stopper 332 and slide rail side face in mutual contact, link 2 to slide rail bracket front end on the slip, lower linking bridge 3 and dog 1 in mutual contact, prevent to go up link 2 and continue to slide forward, when lifting twist grip 5 this moment, return torsional spring 43 was in the compression state, lower link 3 and dog 1 separation, rear end stopper 332 and slide rail side face in mutual separation, lower link 3 and spacing jack catch 23 in mutual contact, it can continue to slide forward to go up link 2.

The working process of the invention is as follows: the simple external middle position limiting structures of the automobile seat slide rail are symmetrically arranged at two sides of an automobile seat, the stop block 1 is arranged at the front end of the side surface of the slide rail bracket to play a role of middle position limiting, wherein the upper connecting bracket 2 slides along the slide rail along with the lower seat frame, the position of the lower seat frame in the rear stroke of the stop block 1 can be adjusted in the driving process, when the lower seat frame moves to the position of the stop block 1, the stop block 1 is in mutual contact with the bottom end limiting part 331 of the lower connecting bracket 3 to prevent the lower seat frame from continuously sliding forwards, so that the safety in the driving process is ensured, when the automobile is parked and has a rest, the rotating handle 5 is lifted, the stop block 1 is separated from the lower connecting bracket 3, the lower connecting bracket 3 is positioned above the stop block 1, and the lower seat frame can continuously slide forwards to provide a large enough.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides an external meso position limit structure of simple and easy car seat slide, its characterized in that: the device comprises a stop block, an upper connecting bracket, a lower connecting bracket, a rotating shaft assembly and a rotating handle, wherein the stop block is arranged at the front end of the side surface of a sliding rail bracket; the upper connecting bracket is arranged between the lower seat frame and the slide rail, and the upper connecting bracket and the lower seat frame slide along the slide rail together; the lower connecting bracket is arranged on the side surfaces of the slide rail and the slide rail bracket and is connected with the upper connecting bracket through the rotating shaft assembly; the rotating shaft assembly comprises a rotating shaft, shaft sleeves arranged at two ends of the rotating shaft and a return torsion spring arranged between the two shaft sleeves, the return torsion spring is sleeved on the rotating shaft, one end of the return torsion spring is hung with the upper connecting bracket, and the other end of the return torsion spring is hung with the lower connecting bracket; the twist grip is installed on lower linking bridge, works as when twist grip is in the initial position, the return torsional spring is in the diastole state, slides go up linking bridge to slide rail support front end, lower linking bridge with the dog mutual contact prevents go up linking bridge and continue to slide forward, lift this moment during the twist grip, the return torsional spring is in compression state, lower linking bridge with the dog separation, it can continue to slide forward to go up linking bridge.

2. The simple external middle position limiting structure of the automobile seat slide rail according to claim 1, wherein: the upper connecting bracket comprises an upper connecting plate, a front mounting hole and a rear mounting hole are formed in the upper connecting plate, a front bolt penetrates through the front mounting hole and is mounted on the slide rail, and a rear bolt penetrates through the lower seat frame and the rear mounting hole in sequence and is mounted on the slide rail; two arc-shaped welding parts and two limiting clamping jaws extend outwards from the outer side of the upper connecting plate, arc-shaped openings of the arc-shaped welding parts are arranged downwards, and the arc-shaped openings of the two arc-shaped welding parts are respectively welded with a shaft sleeve; two the setting of spacing jack catch is two between the arc welding part, two the upset angle that connecting bracket under the spacing jack catch is used for limiting, two offer the district of dodging on being used for holding the return torsional spring between the spacing jack catch, the root of one of them spacing jack catch articulates with the one end of return torsional spring.

3. The simple external middle position limiting structure of the automobile seat slide rail according to claim 1, wherein: the lower connecting bracket comprises a lower connecting plate, a hanging part hung with the other end of the return torsion spring is arranged on the lower connecting plate, the hanging part is arranged below the lower connecting plate, the left side and the right side of the hanging part are hollowed out, and the front end and the rear end of the hanging part are integrally connected with the lower connecting plate; a limiting plate extends downwards from the left side of the lower connecting plate and comprises a bottom limiting part which is in mutual contact with the stop block and a rear limiting part which is in mutual contact with the side surface of the slide rail; a right welding plate extends downwards from the right side of the lower connecting plate; the rear end downwardly extending of lower connecting plate has the back weld plate, offer the lower district of dodging that is used for holding the return torsional spring on the back weld plate, an arc welding recess has been seted up along left right direction on the back weld plate, arc welding recess and rotation axis welding and rotation axis setting are in the top of rear end spacing portion.

4. The simple external middle position limiting structure of the automobile seat slide rail according to claim 3, wherein: the stop dog includes the fixed plate, two bolt holes have been seted up on the fixed plate, the fixed plate passes through bolt fixed mounting in slide rail bracket's bottom, one side of fixed plate upwards extends there is the cardboard, the intermediate position of the front end of cardboard extends the arch forward, the arch contacts with slide rail bracket's side, the upper end of cardboard inwards extends there is the set-square, one side and the side contact of slide rail bracket of set-square, the another side of set-square and the rear end of cardboard are used for blockking the spacing portion in bottom and move forward.

5. The simple external middle position limiting structure of the automobile seat slide rail according to claim 3, wherein: the twist grip is U-shaped, and the both ends of twist grip weld respectively on limiting plate and right welding plate.

6. The simple external middle position limiting structure of the automobile seat slide rail as claimed in claim 2, wherein: and reinforcing ribs are arranged on the arc welding parts.

7. The simple external middle position limiting structure of the automobile seat slide rail according to claim 4, wherein: and an included angle between a plane formed by the other side of the triangular plate and the rear end of the clamping plate and the side surface of the slide rail bracket is not more than 90 degrees.