CN110626227B - Slide rail of automobile seat - Google Patents
Slide rail of automobile seat Download PDFInfo
- Publication number
- CN110626227B CN110626227B CN201911054124.7A CN201911054124A CN110626227B CN 110626227 B CN110626227 B CN 110626227B CN 201911054124 A CN201911054124 A CN 201911054124A CN 110626227 B CN110626227 B CN 110626227B
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- Prior art keywords
- locking
- sliding rail
- locking claw
- tooth
- slide rail
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- 210000000078 claw Anatomy 0.000 claims abstract description 102
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 230000009471 action Effects 0.000 claims abstract description 15
- 230000000712 assembly Effects 0.000 claims abstract description 6
- 238000000429 assembly Methods 0.000 claims abstract description 6
- 238000005452 bending Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 239000011295 pitch Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
- B60N2/08—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable characterised by the locking device
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention relates to a sliding rail of an automobile seat, which comprises two groups of sliding rail assemblies, wherein each sliding rail assembly comprises an inner sliding rail, an outer sliding rail and a locking part, and the locking part comprises a locking mechanism and an unlocking mechanism; the locking mechanism comprises a locking claw and a locking spring, the outer sliding rail is provided with bar-shaped teeth along the length direction, the bar-shaped teeth comprise tooth structures which are staggered at intervals and have different heights, the top of the locking claw penetrates through the top wall of the inner sliding rail, the bottom of the locking claw is bent and provided with locking teeth which are matched with the tooth structures, and the locking teeth penetrate through the side wall of the inner sliding rail and can move towards the bar-shaped teeth under the action of the locking spring so as to be meshed with the tooth structures; the unlocking mechanism comprises an adjusting piece and a reset spring, the adjusting piece can act on the top end of the locking claw to enable the locking tooth to move to one side far away from the strip-shaped tooth and separate from the tooth structure, and the reset spring can act on the adjusting piece to separate from the locking claw. When the front and rear positions of the seat are manually adjusted, the sliding rail can be quickly locked when the sliding rail is subjected to instant impact in an unlocking state, so that the safety of passengers is protected.
Description
Technical Field
The invention relates to the technical field of accessories for automobile seats, in particular to a sliding rail of an automobile seat.
Background
In the use process of the automobile seat, the front and rear positions of the automobile seat are often required to be adjusted through the sliding rail according to the needs of different passengers, and specifically, when the automobile seat forgets to lock the sliding rail after the adjustment is completed or the sliding rail is in an unlocking state when the passenger is adjusting the front and rear positions of the seat in the running process of the automobile, the sliding rail cannot be locked and the seat moves forwards for a larger distance due to the fact that the automobile is suddenly braked and the like when the seat is subjected to instant impact, and the passenger is possibly injured.
Therefore, how to solve the technical problem that the slide rail can be quickly locked to protect the safety of passengers when the slide rail is subjected to instant impact in the unlocking state during manual adjustment of the front and rear positions of the seat is a technical problem required to be solved by the person skilled in the art.
Disclosure of Invention
The invention aims to provide a slide rail of an automobile seat, which can be quickly locked when the slide rail is subjected to instant impact in an unlocking state during manual adjustment of the front and rear positions of the seat, so that the safety of passengers is protected.
In order to solve the technical problems, the invention provides a sliding rail of an automobile seat, which comprises two groups of sliding rail assemblies arranged in parallel, wherein each sliding rail assembly comprises an inner sliding rail, an outer sliding rail and a locking part arranged between the inner sliding rail and the outer sliding rail, each locking part comprises a locking mechanism and an unlocking mechanism, and the inner sliding rail can slide relative to the outer sliding rail; the locking mechanism comprises a locking claw and a locking spring, strip-shaped teeth are arranged on the outer sliding rail along the length direction, the strip-shaped teeth comprise tooth structures with different heights, the top of the locking claw penetrates through the top wall of the inner sliding rail, the bottom of the locking claw is bent and provided with locking teeth matched with the tooth structures, and the locking teeth penetrate through the side wall of the inner sliding rail and can move towards the strip-shaped teeth under the action of the locking spring so as to be meshed with the tooth structures; the unlocking mechanism comprises an adjusting piece and a reset spring, the adjusting piece can act on the top end of the locking claw to enable the locking tooth to move to the side far away from the strip-shaped tooth and separate from the tooth structure, and the reset spring can act on the adjusting piece to separate from the locking claw.
When the adjusting piece is not operated by an occupant, the locking claw can keep the locking teeth to be meshed with the tooth structure under the action of the locking spring, and at the moment, the locking mechanism is in a locking state, and the seat cannot move back and forth. When the passenger acts on the adjusting piece to enable the passenger to act on the locking claw from the top end, so that the locking teeth of the locking claw are separated from the tooth structure, at the moment, the inner slide rail and the outer slide rail are in an unlocking state, the passenger can move the seat back and forth to change the position of the inner slide rail relative to the outer slide rail, after the seat is adjusted to a proper position, the action on the adjusting piece can be withdrawn, at the moment, the reset spring can act on the adjusting piece to enable the adjusting piece to be separated from the locking claw no longer, and the locking claw moves to one side of the strip-shaped teeth under the action of the locking spring and is meshed with the tooth structure, so that the inner slide rail and the outer slide rail are in a locking state.
The setting of locking spring and reset spring, the regulation of this seat of being more convenient for, when the front and back position of seat needs to be adjusted, passenger's manual operation regulating part, and after adjusting to suitable position, only need withdraw from the effect to the regulating part, can realize locking through locking spring and reset spring's restoring force, the operation is comparatively convenient.
Specifically, the strip-shaped teeth comprise tooth structures with different heights, wherein the tooth structures are staggered at intervals, the strip-shaped teeth comprise first teeth and second teeth which are sequentially arranged at intervals, and the height of the first teeth is higher than that of the second teeth; that is, the heights of the bar-shaped teeth are different, when the outer slide rail and the inner slide rail are in an unlocking state, the locking teeth of the locking claw are separated from the bar-shaped teeth, after the external force is withdrawn, the locking claw can be abutted against the end surfaces of the tooth structures to enable the outer slide rail and the inner slide rail to be in a critical state (the inner slide rail and the outer slide rail are in a critical unlocking state and can slide relatively), and at the moment, if the seat moves back and forth and does not move rapidly, the locking teeth of the locking claw can fall into between two adjacent tooth structures (the bar-shaped teeth comprise a plurality of tooth structures meshed with the locking teeth) to be meshed with the tooth structures under the action of the locking springs; if the seat is impacted in the front-back direction (such as external force or inertia force when a vehicle is suddenly braked), the front-back position of the seat is changed rapidly, the lock teeth can move upwards under the action of the locking springs and possibly not engage with the tooth structures between the tooth pitches of two adjacent tooth structures, but the first teeth and the second teeth with different heights are arranged, so that the lock teeth need to move two tooth pitches from one first tooth to the next first tooth, further more time can be provided for the locking springs to drive the lock claws to move enough distance and abut against the side wall of the next first tooth, namely, the front-back movement of the lock claws is blocked, at the moment, the lock claws can continue to move under the action of the locking springs to engage with the tooth structures, and the locking of the positions of the inner slide rail and the outer slide rail is realized. By the arrangement, the seat can be prevented from being displaced forward and backward greatly, and safety of passengers is guaranteed.
Optionally, the unlocking mechanism further comprises a fixing plate fixedly connected with the inner slide rail and a rotating shaft arranged on the fixing plate, the adjusting piece can rotate around the rotating shaft relative to the fixing plate, one end of the adjusting piece is connected with an operating rod, the other end of the adjusting piece can act with the top end of the locking claw, and the operating rod can drive the adjusting piece to rotate around the rotating shaft and drive the locking claw to move towards one side far away from the strip-shaped teeth.
Optionally, a baffle is disposed at the top end of the fixing plate, and the baffle is used for limiting the rotation of the adjusting member.
Optionally, a buffer pad is further arranged on the lower end face of the baffle.
Optionally, the locking part further comprises a plastic head, the top end of the locking claw penetrates through the top wall of the inner slide rail and is fixedly inserted into the plastic head, and the adjusting piece can act on the plastic head to enable the locking teeth to be separated from the tooth structure.
Optionally, the plastic head is further provided with an observation hole for observing the position of the top end of the locking claw inserted in the plastic head.
Optionally, the reset spring is a torsion spring sleeved on the outer side of the rotating shaft, and torsion arms at two ends of the torsion spring are respectively fixed with the fixed plate and the adjusting piece.
Optionally, the side wall of the inner slide rail is also provided with a strip-shaped mounting hole, and the inner wall of the locking claw is also provided with a clamping piece; the locking spring is a clamping spring with two ends provided with bending sections respectively, the two bending sections correspondingly penetrate through the two strip-shaped mounting holes, the middle part of the clamping spring is abutted to the clamping piece and can move away from one side of the strip-shaped teeth by pushing the clamping piece to push the locking claw.
Optionally, the number of the locking parts is two, and the two locking parts are symmetrically arranged about an axis in a length direction of the inner rail.
Optionally, the locking part further comprises a limiting piece fixed with the inner wall of the inner sliding rail, and the limiting piece can abut against the locking claw to prevent the locking claw from rotating.
Optionally, the outer slide rail is further provided with two limiting parts along the length direction, and a sliding space of the limiting piece is formed between the two limiting parts.
Drawings
FIG. 1 is a schematic view of a track of a vehicle seat according to an embodiment of the present invention;
FIG. 2 is a schematic view of the slide assembly of FIG. 1;
FIG. 3 is an exploded view of FIG. 2;
FIG. 4 is a top view of FIG. 2;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
FIG. 6 is a partial schematic view of the structure of FIG. 2;
FIG. 7 is a schematic view of the structure of the locking teeth and tooth structure with the inner and outer slide rails in a locked condition;
FIG. 8 is a schematic view of the structure of the locking teeth and tooth structure with the inner and outer slide rails in a critical unlocked state;
FIG. 9 is a side view of FIG. 2;
FIG. 10 is a schematic view of the internal structure of FIG. 2;
FIG. 11 is a schematic view of a portion of the construction of the inner rail;
FIG. 12 is a schematic structural view of the locking pawl;
FIG. 13 is a schematic view of the structure of a plastic head;
fig. 14 is a schematic structural view of the limiting plate.
In fig. 1-14, the reference numerals are as follows:
100-slide rail assembly; 200-operating a lever;
1-an inner slide rail, 11-a strip-shaped mounting hole and 12-a through hole;
2-outer slide rail, 21-bar-shaped teeth, 211-tooth structure, 212-first teeth, 213-second teeth and 22-limiting parts;
The locking mechanism comprises a 3-locking mechanism, a 31-locking claw, 311-locking teeth, 312-clamping pieces and 32-locking springs;
4-unlocking mechanism, 41-adjusting piece, 42-reset spring, 43-fixed plate, 431-baffle, 44-buffer pad and 45-rotating shaft;
5-plastic heads, 51-jacks and 52-observation holes;
6-limiting sheets and 61-limiting plates;
7-slide.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
The embodiment of the invention provides a sliding rail of an automobile seat, as shown in fig. 1, the sliding rail comprises two groups of sliding rail assemblies 100 which are arranged in parallel, the two groups of sliding rail assemblies 100 are correspondingly arranged between the bottom end of the seat and a vehicle body, and passengers can act on the two groups of sliding rail assemblies 100 through an operating rod 200 at the same time so as to adjust the front and rear positions of the seat.
Specifically, as shown in fig. 2-6, the slide rail assembly 100 includes an inner slide rail 1, an outer slide rail 2, and a locking portion disposed between the inner slide rail 1 and the outer slide rail 2, where the locking portion includes an unlocking mechanism 4 and a locking mechanism 3, the inner slide rail 1 is capable of sliding relative to the outer slide rail 2, wherein the inner slide rail 1 is fixed to a bottom end of a seat, the outer slide rail 2 is fixed to a vehicle body, the locking mechanism 3 is used for locking relative positions of the inner slide rail 1 and the outer slide rail 2, and the unlocking mechanism 4 is used for unlocking a locking function of the locking mechanism 3, so that the inner slide rail 1 can slide relative to the outer slide rail 2, and a passenger can adjust a front-rear position of the seat.
The locking mechanism 3 comprises a locking claw 31 and a locking spring 32, the outer sliding rail 2 is provided with strip-shaped teeth 21 along the length direction, the strip-shaped teeth 21 comprise tooth structures 211 which are staggered at different heights, the top of the locking claw 31 penetrates through the top wall of the inner sliding rail 1, the bottom of the locking claw is bent and provided with locking teeth 311 which are matched with the tooth structures 211, the axis of the locking teeth 311 is perpendicular to the axis of the tooth structures 211, and the locking teeth 311 can move up and down and are meshed with and separated from the tooth structures 211. The side wall of the inner slide rail 1 is provided with a through hole 12, and the locking tooth 311 passes through the through hole 12 of the inner slide rail 1 and can move to one side of the bar-shaped tooth 21 to be meshed with the tooth structure 211 under the action of the locking spring 32, so that the relative positions of the inner slide rail 1 and the outer slide rail 2 in the front-rear direction (the length direction of the inner slide rail 1 and the outer slide rail 2) are limited. The unlocking mechanism 4 includes an adjusting member 41 and a return spring 42, wherein the adjusting member 41 can act on the tip end of the locking claw 31 to move the locking tooth 311 to the side far from the bar-shaped tooth 21 and separate from the tooth structure 211, and the return spring 42 can act on the adjusting member 41 to separate from the locking claw 31.
That is, when the occupant does not operate the adjuster 41, the lock claw 31 can hold the lock teeth 311 engaged with the tooth structure 211 by the lock spring 32, and at this time, the lock mechanism 3 is in the locked state, and the seat cannot be moved forward and backward. When the occupant acts on the adjusting member 41 to enable the occupant to act on the locking claw 31 from the top end, so that the locking teeth 311 of the locking claw 31 are separated from the tooth structure 211, at this time, the inner slide rail 1 and the outer slide rail 2 are in an unlocking state, the occupant can move the seat back and forth to change the position of the inner slide rail 1 relative to the outer slide rail 2, after the seat is adjusted to a proper position, the action on the adjusting member 41 can be withdrawn, at this time, the return spring 42 can act on the adjusting member 41 to prevent the adjusting member from separating from the locking claw 31, and the locking claw 31 can move to one side of the bar-shaped teeth 21 and engage with the tooth structure 211 under the action of the locking spring 32, so that the inner slide rail 1 and the outer slide rail 2 are in a locking state.
Wherein, setting up of locking spring 32 and reset spring 42, the regulation of this seat of being more convenient for, when the front and back position of seat needs to be adjusted, passenger's manual operation regulating part 41, and after adjusting to suitable position, only need withdraw from the effect to regulating part 41, can realize locking through locking spring 32 and reset spring 42's restoring force, the operation is comparatively convenient.
Specifically, the bar-shaped teeth 21 include tooth structures 211 with different heights and staggered at intervals, as shown in fig. 7 and 8, the bar-shaped teeth 21 in this embodiment include a first tooth 212 and a second tooth 213 sequentially spaced from each other, where the height of the first tooth 212 is higher than that of the second tooth 213; that is, the heights of the bar-shaped teeth 21 are different, when the outer slide rail 2 and the inner slide rail 1 are in the unlocked state, the locking teeth 311 of the locking claw 31 are separated from the bar-shaped teeth 21, and when the external force is withdrawn, the locking claw 31 may abut against the end surfaces of the tooth structures 211 to enable the two to be in a critical state (as shown in fig. 8, the inner slide rail 1 and the outer slide rail 2 are in a critical unlocked state, and can slide relatively), at this time, if the seat moves back and forth and the movement is not jerky, the locking teeth 311 of the locking claw 31 can fall into between two adjacent tooth structures 211 (the bar-shaped teeth 21 comprise a plurality of tooth structures 211 meshed with the locking teeth 311) to mesh with the tooth structures 211 under the action of the locking springs 32 in the process that the seat moves back and forth and the movement is not jerky; if the seat is impacted in the front-rear direction (such as an external force or an inertial force when the vehicle is braked suddenly), the front-rear position of the seat is changed rapidly, and the lock teeth 311 may not be engaged with the tooth structures 211 due to the action of the lock springs 32 between the tooth spaces of two adjacent tooth structures 211, but the lock teeth 311 need to move two tooth spaces from one first tooth 212 to the next first tooth 212 due to the interval arrangement of the first teeth 212 and the second teeth 213 with different heights, so that more time can be provided for the lock springs 32 to drive the lock claws 31 to move enough distance and abut against the side walls of the next first tooth 212, namely, the front-rear movement of the lock claws 31 is blocked, at this time, the lock claws 31 can continue to move to engage with the tooth structures 211 under the action of the lock springs 32, thereby realizing the locking of the positions of the inner slide rail 1 and the outer slide rail 2. By the arrangement, the seat can be prevented from being displaced forward and backward greatly, and safety of passengers is guaranteed.
Of course, in this embodiment, the first teeth 212 and the second teeth 213 may be sequentially staggered at intervals, that is, one second tooth 213 is disposed between two adjacent first teeth 212, and one first tooth 212 is disposed between two adjacent second teeth 213, so that when the seat is impacted in the front-rear direction in a critical state, the inner rail 1 and the outer rail 2 may be locked in relative positions in two tooth pitches, or two second teeth 213 may be disposed between two adjacent first teeth 212, and at this time, when the seat is impacted in the front-rear direction in a critical state, the inner rail 1 and the outer rail 2 may be locked in relative positions in at most three tooth pitches. Alternatively, in this embodiment, three or more second teeth 213 may be disposed between two first teeth 212, or the bar-shaped teeth 21 may be disposed to include three or more tooth structures 211 having different heights, which is not particularly limited herein.
In this embodiment, the movement of the locking claw 31 is in the up-down direction (i.e. the height direction of the seat), specifically, as shown in fig. 7 and 8, the locking claw 31 moves from the lower direction until the locking teeth 311 are engaged with the tooth structure 211, and when the locking claw 31 moves upward, the locking claw 31 moves downward, the locking claw 31 moves away from the bar-shaped teeth 21; it is also possible that the locking pawl 31 moves downwards from above until the locking teeth 311 engage with the tooth structure 211, when the locking pawl 31 moves downwards, i.e. towards the bar-shaped teeth 21, the locking pawl 31 moves upwards, i.e. away from the bar-shaped teeth 21. For convenience of explanation, the following will be described taking an example of a case where the lock claw 31 is moved upward from the lower side to the lock tooth 311 engaged with the tooth structure 211, at which time the regulating member 41 can press the lock claw 31 from the tip to move the lock claw 31 downward (to the side away from the bar-shaped tooth 21) to disengage the lock tooth 311 from the tooth structure 211, and the lock spring 32 can act on the lock claw 31 to move it upward (to the side of the bar-shaped tooth 21) to engage the lock tooth 311 with the tooth structure 211. In the above embodiment, the unlocking mechanism 4 further includes the fixing plate 43 and the rotating shaft 45 disposed on the fixing plate 43, where the fixing plate 43 is fixedly connected with the inner sliding rail 1, the adjusting member 41 can rotate around the rotating shaft 45 relative to the fixing plate 43, one end of the adjusting member 41 is connected with the operating lever 200, the other end can act on the top end of the locking claw 31, and the operating lever 200 can drive the adjusting member 41 to rotate and press the locking claw 31. That is, the adjusting member 41 corresponds to a rocker structure, the pivot 45 forms a fulcrum of the rocker, when the occupant needs to adjust the front and rear positions of the seat, the operating lever 200 is manually operated to lift the adjusting member 41 toward one end of the operating lever 200, the operating lever 200 moves downward toward one end of the locking claw 31 and presses down the locking claw 31 from the top end to disengage the locking tooth 311 from the tooth structure 211, and thus unlocking between the inner rail 1 and the outer rail 2 is achieved.
Specifically, the rotating shaft 45 may be formed by a rotating rivet provided on the fixing plate 43, the rotating rivet includes a step structure, the fulcrum of the adjusting member 41 is sleeved on the outer side of the step structure, and the rotating rivet is riveted on the fixing plate 43, and the adjusting member 41 and the fixing plate 43 can flexibly rotate. The regulating member 41 may be a rod-like structure or a sheet-like structure, and is not particularly limited herein.
Further, the top end of the fixing plate 43 is provided with a baffle 431, the baffle 431 is used for limiting the rotation of the adjusting member 41, when the occupant manually operates the operating lever 200 to enable the adjusting member 41 to rotate around the rotating shaft 45 to abut against the baffle 431, the front and rear positions of the seat can be adjusted, the arrangement of the baffle 431 can give a prompt for the operation of the occupant, and the baffle 431 can also be used for displaying the rotation angle of the adjusting member 41, so that the condition that the rotation angle of the adjusting member 41 is too large to return can be avoided. Specifically, in the present embodiment, the specific structure of the fixing plate 43 is not limited, and may be a structure like a letter of a letter as shown in fig. 5, or a structure with two bends.
Furthermore, the lower end surface of the baffle 431 is further provided with a buffer pad 44, when the adjusting member 41 rotates and drives the locking claw 31 to move upwards, one end of the adjusting member 41 facing the locking claw 31 can be abutted against the buffer pad 44, so that noise generated by rigid collision between the adjusting member 41 and the baffle 431 is avoided, and the comfort is good.
In the above embodiment, the return spring 42 is a torsion spring sleeved on the outer side of the rotating shaft 45, two torsion arms are respectively arranged at two ends of the torsion spring, the two torsion arms are respectively fixed with the fixed plate 43 and the adjusting member 41, when the adjusting member 41 rotates, the torsion spring can be twisted, and when the adjusting member 41 is withdrawn, the restoring force of the torsion spring can drive the adjusting member 41 to rotate, so that the installation setting of the return spring 42 can be simplified, and the overall structure is simplified. And, two torsion arms are equipped with the structure of bending respectively, can prevent that reset spring 42 from deviating from after the installation, after withdrawing external force effect, reset spring 42 can keep adjusting part 41 towards the one end and the blotter 44 butt of lock claw 31, avoids adjusting part 41 to push down lock claw 31 under the effect of gravity.
In the above embodiment, the locking portion further includes the plastic head 5, the adjusting member 41 can press the plastic head 5 to separate the locking teeth 311 from the tooth structure 211, the top end of the locking claw 31 passes through the top wall of the inner sliding rail 1 and is fixedly inserted into the plastic head 5, that is, in this embodiment, the adjusting member 41 moves downward towards one end of the locking claw 31 to abut against the plastic head 5 and moves upward to abut against the rubber pad, thereby avoiding noise generated by rigid collision, ensuring comfort and avoiding abrasion caused by rigid collision, and further ensuring service life. Simultaneously, this plastic head 5 can also follow the top and carry out spacingly to locking claw 31, and when the lower terminal surface that the plastic head 5 made plastic head 5 was pressed down to regulating part 41 and the up end butt of interior slide rail 1, the locking tooth 311 and the tooth structure 211 of locking claw 31 break away from in order to reach the unblock state, avoid locking claw 31 to break away from with interior slide rail 1.
Further, as shown in fig. 13, the plastic head 5 is further provided with an observation hole 52 for observing the position of the top end of the locking claw 31 inserted into the plastic head 5, the lower end surface of the plastic head 5 is provided with an insertion hole 51 for inserting the top end of the locking claw 31, the observation hole 52 is communicated with the insertion hole 51, the top end of the locking claw 31 penetrates through the top wall of the inner sliding rail 1 to be inserted into the insertion hole 51 of the plastic head 5, whether the insertion is in place or not can be observed through the observation hole 52, and the situation that the locking cannot be achieved due to the fact that the insertion is not in place is avoided.
In the above embodiment, as shown in fig. 10 to 12, the side wall of the inner rail 1 is further provided with a strip-shaped mounting hole 11, and the inner wall of the locking claw 31 is further provided with a clip 312; the jump ring of buckling sections is equipped with respectively at the both ends of locking spring 32, two buckling sections correspond and pass two bar mounting holes 11, the middle part butt in the bottom of fastener 312, with jack-up lock claw 31 from the bottom, when regulating part 41 rotates to pushing down lock claw 31 and make lock tooth 311 and tooth structure 211 break away from, the jump ring takes place to warp and make lock claw 31 have the trend of upwards moving, when regulating part 41 is rotated under reset spring 42's effect, lock claw 31 will upwards move and make lock tooth 311 and tooth structure 211 meshing under the effect of jump ring. Specifically, in the present embodiment, the specific structure of the clip 312 is not limited, and may be a protrusion fixed on the inner side of the locking claw 31 or a flanging structure arranged on the inner side of the locking claw 31.
Of course, in this embodiment, the specific structure of the locking spring 32 is not limited, and if it is a coil spring, one end of the coil spring is fixedly connected with the top end of the inner wall of the inner rail 1, and the other end of the coil spring is fixedly connected with the top end of the locking claw 31, when the adjusting member 41 presses down the locking claw 31 to enable the coil spring to be in a stretched state, and after the adjusting member 41 rotates, the restoring force of the coil spring in the stretched state acts on the locking claw 31 to enable the locking claw 31 to move upwards. The locking spring 32 is arranged as a clamp spring, so that the whole structure can be simplified, the locking claw 31 can be ensured to have enough elastic force to move upwards until the locking teeth 311 are meshed with the tooth structure 211, and the locking device is convenient to install and good in stability.
In the above embodiment, as shown in fig. 6 and 9, the number of locking portions is two, and the two locking portions are symmetrically arranged about the axis of the length direction of the inner rail 1, that is, the inner walls of two sides of the inner rail 1 are respectively provided with a locking claw 31, and the inner walls of two sides of the outer rail 2 are respectively provided with a bar-shaped tooth 21, so that the requirement on the acting force of a single locking portion can be reduced, and the two locking portions are symmetrically arranged in the inner rail 1, so that the overall structural stability is better.
In the above embodiment, the locking portion further includes a limiting piece 6 fixed to the inner wall of the inner sliding rail 1, where the limiting piece 6 and the inner wall of the inner sliding rail 1 may be fixed by welding or bolting, and can abut against the locking claw 31 to prevent the locking claw 31 from rotating around the top end of the locking claw 31 passing through the position of the inner sliding rail 1, so as to ensure that the locking claw 31 can only move up and down to separate and match the locking tooth 311 with the tooth structure 211, and avoid the situation that the locking claw 31 rotates to make the locking tooth 311 unable to match with the tooth structure 211, so that stability is good.
Further, the outer slide rail 2 is further provided with two limiting members 22 along the length direction, and a space for sliding the limiting piece 6 is formed between the two limiting members 22, that is, the limiting piece 6 can slide between the two limiting members 22, so that the moving position of the inner slide rail 1 relative to the outer slide rail 2 is limited. Specifically, the limiting member 22 may be a protrusion disposed on the inner wall of the outer sliding rail 2, or may be a limiting screw or a limiting rivet, and the limiting member 22 may abut against the end of the limiting piece 6 to limit the movement of the limiting piece 6. In this embodiment, the specific structure of the limiting plate 6 is not limited, as shown in fig. 14, the limiting plate 6 is configured in a structure with limiting plates 61 at two ends, the limiting plates 61 at two ends are arranged in parallel and along opposite directions of two side walls of the outer sliding rail 2, and the limiting plates 61 of the limiting plates 6 of the two sets of locking parts are sleeved, that is, the two limiting plates 61 of one limiting plate 6 are located between the two limiting plates 61 of the other limiting plate 6, so that the two limiting plates can move synchronously. As a result, the length direction of the stopper plate 61 is used to restrict the rotation of the lock pawl 31, and the side surface of the stopper plate 61 is used to abut against the stopper 22. The limiting pieces 6 of the two locking parts can be sleeved so as to be convenient to install.
In this embodiment, the outer slide rail 2 and the inner slide rail 1 are connected with the inner slide rail 1 in a matching manner through the sliding piece 7 provided with the steel ball, specifically, the locking component is installed when the inner slide rail 1 and the outer slide rail 2 are connected, and the unlocking component may be installed on the inner slide rail 1 before the inner slide rail 1 and the outer slide rail 2 are connected, or may be installed on the inner slide rail 1 after the inner slide rail 1 and the outer slide rail 2 are connected.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (9)
1. The sliding rail of the automobile seat is characterized by comprising two groups of sliding rail assemblies (100) which are arranged in parallel, wherein each sliding rail assembly (100) comprises an inner sliding rail (1), an outer sliding rail (2) and a locking part arranged between the inner sliding rail (1) and the outer sliding rail (2), each locking part comprises a locking mechanism (3) and an unlocking mechanism (4), and the inner sliding rail (1) can slide relative to the outer sliding rail (2);
The locking mechanism (3) comprises a locking claw (31) and a locking spring (32), strip-shaped teeth (21) are arranged on the outer sliding rail (2) along the length direction, the strip-shaped teeth (21) comprise tooth structures (211) which are staggered at different heights, the top of the locking claw (31) penetrates through the top wall of the inner sliding rail (1), the bottom of the locking claw is bent and provided with locking teeth (311) which are matched with the tooth structures (211), and the locking teeth (311) penetrate through the side wall of the inner sliding rail (1) and can move towards the strip-shaped teeth (21) under the action of the locking spring (32) so as to be meshed with the tooth structures (211);
The unlocking mechanism (4) comprises an adjusting piece (41) and a return spring (42), the adjusting piece (41) can act on the top end of the locking claw (31) to enable the locking tooth (311) to move to the side far away from the strip-shaped tooth (21) and separate from the tooth structure (211), and the return spring (42) can act on the adjusting piece (41) to separate from the locking claw (31);
The unlocking mechanism (4) further comprises a fixed plate (43) fixedly connected with the inner slide rail (1) and a rotating shaft (45) arranged on the fixed plate (43), the adjusting piece (41) can rotate around the rotating shaft (45) relative to the fixed plate (43), one end of the adjusting piece (41) is connected with the operating rod (200), the other end of the adjusting piece can act on the top end of the locking claw (31), and the operating rod (200) can drive the adjusting piece (41) to rotate around the rotating shaft (45) and drive the locking claw (31) to move towards one side far away from the strip-shaped teeth (21);
The locking part further comprises a plastic head (5), the top end of the locking claw (31) penetrates through the top wall of the inner sliding rail (1) and is fixedly inserted into the plastic head (5), and the adjusting piece (41) can act on the plastic head (5) to enable the locking teeth (311) to be separated from the tooth structure (211).
2. Slide rail for a car seat according to claim 1, characterized in that the top end of the fixing plate (43) is provided with a shutter (431), which shutter (431) serves to limit the rotation of the adjusting member (41).
3. The slide rail of a car seat according to claim 2, characterized in that the lower end face of the baffle plate (431) is further provided with a cushion (44).
4. The sliding track of the car seat according to claim 1, characterized in that the plastic head (5) is further provided with an observation hole (52) for observing the position of the top end of the locking claw (31) inserted into the plastic head (5).
5. The slide rail of the car seat according to any one of claims 1 to 4, characterized in that the return spring (42) is a torsion spring sleeved outside the rotating shaft (45), and torsion arms at two ends of the torsion spring are respectively fixed with the fixing plate (43) and the adjusting piece (41).
6. The sliding rail of the car seat according to any one of claims 1-4, characterized in that the side wall of the inner sliding rail (1) is also provided with a strip-shaped mounting hole (11), and the inner wall of the locking claw (31) is also provided with a clamping piece (312);
The locking spring (32) is a clamp spring with two ends provided with bending sections respectively, the two bending sections correspondingly penetrate through the two strip-shaped mounting holes (11), the middle part of the clamp spring is abutted to the clamping piece (312) and can move to one side far away from the strip-shaped teeth (21) by pushing the clamping piece (312) so as to push the locking claw (31).
7. The slide rail of a car seat according to any one of claims 1-4, characterized in that the number of locking parts is two and that the two locking parts are symmetrically arranged with respect to the longitudinal axis of the inner slide rail (1).
8. The slide rail of a car seat according to any one of claims 1-4, characterized in that the locking part further comprises a limit piece (6) fixed to the inner wall of the inner slide rail (1), the limit piece (6) being able to abut the locking claw (31) to prevent the locking claw (31) from rotating.
9. The slide rail of the automobile seat according to claim 8, characterized in that the outer slide rail (2) is further provided with two limiting pieces (22) along the length direction, and a sliding space of the limiting piece (6) is formed between the two limiting pieces (22).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911054124.7A CN110626227B (en) | 2019-10-31 | 2019-10-31 | Slide rail of automobile seat |
| PCT/CN2020/099078 WO2021082490A1 (en) | 2019-10-31 | 2020-06-30 | Sliding rail of vehicle seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911054124.7A CN110626227B (en) | 2019-10-31 | 2019-10-31 | Slide rail of automobile seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110626227A CN110626227A (en) | 2019-12-31 |
| CN110626227B true CN110626227B (en) | 2024-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911054124.7A Active CN110626227B (en) | 2019-10-31 | 2019-10-31 | Slide rail of automobile seat |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110626227B (en) |
| WO (1) | WO2021082490A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110626227B (en) * | 2019-10-31 | 2024-05-07 | 湖北中航精机科技有限公司 | Slide rail of automobile seat |
| CN111105664A (en) * | 2020-01-20 | 2020-05-05 | 海丰通航科技有限公司 | Simulation cabin |
| CN114056196A (en) * | 2021-12-21 | 2022-02-18 | 湖北航嘉麦格纳座椅系统有限公司 | Seat adjusting structure and seat assembly |
| CN116084743B (en) * | 2023-04-11 | 2023-07-04 | 北京城建集团有限责任公司 | Light hyperbolic thin-shell steel structure supporting system and use method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110626227A (en) | 2019-12-31 |
| WO2021082490A1 (en) | 2021-05-06 |
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Effective date of registration: 20210115 Address after: 441000 No.8, zhuiri Road, Xiangyang hi tech Zone, Xiangyang City, Hubei Province Applicant after: HUBEI AVIATION PRECISION MACHINERY TECHNOLOGY Co.,Ltd. Address before: 441003 No.8, zhuiri Road, Xiangyang City, Hubei Province Applicant before: HUBEI HAPM MAGNA SEATING SYSTEMS Co.,Ltd. |
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