CN113276733A - Locking mechanism of automobile slide rail and using method thereof - Google Patents
Locking mechanism of automobile slide rail and using method thereof Download PDFInfo
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- CN113276733A CN113276733A CN202110684401.3A CN202110684401A CN113276733A CN 113276733 A CN113276733 A CN 113276733A CN 202110684401 A CN202110684401 A CN 202110684401A CN 113276733 A CN113276733 A CN 113276733A
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- tooth
- clamping piece
- slide rail
- hole
- locking mechanism
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- 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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- 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
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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 locking mechanism of an automobile slide rail and a using method thereof, wherein the locking mechanism comprises the following steps: the clamping piece is arranged in the upper sliding rail in a position-adjustable manner, part of the clamping piece penetrates through the tooth hole, and the clamping piece is clamped into or separated from the tooth groove by moving the clamping piece up and down along the tooth hole; the unlocking piece is rotatably arranged on the upper slide rail and is in driving connection with the clamping piece; a return spring connected between the top of the clip member and the upper slide rail; and the elastic piece is fixedly arranged at the top of the clamping piece and can elastically deform, the end part of the elastic piece is propped against the corresponding return spring, and when the return spring drives the clamping piece to move upwards, the clamping piece and the upper sliding rail extrude the elastic piece, so that the elastic piece deforms and extrudes the return spring, and the vibrato of the return spring is eliminated. The invention effectively solves the problem of obvious abnormal sound when the upper sliding rail and the lower sliding rail are locked, optimizes the locking structure, avoids generating larger sound in the using process, reduces the sound of the mechanical operation in the automobile and further improves the comfort level.
Description
Technical Field
The invention relates to the field of automobile seats, in particular to a locking mechanism of an automobile slide rail and a using method thereof.
Background
The bottom plate of the automobile body is generally provided with a lower slide rail, an upper slide rail is slidably arranged on the lower slide rail, and the seat is fixed on the upper slide rail, so that the seat can move back and forth along the lower slide rail for adjustment, and after the upper slide rail moves in place, the upper slide rail and the lower slide rail need to be locked by using a locking mechanism to prevent the upper slide rail from continuing to move along the lower slide rail.
The existing locking structure is usually clamped with the tooth window of the upper sliding rail and the lower sliding rail by using a locking clamping piece so as to realize the locking of the upper sliding rail and the lower sliding rail, but the structure often has the sound of collision between the locking clamping piece and the tooth window in the actual use process, and the abnormal sound is obvious, so that the requirement of passengers on the comfort degree can not be met.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a locking mechanism of an automobile slide rail and a using method thereof, which solve the problem of obvious abnormal sound when an upper slide rail and a lower slide rail are locked, optimize the locking structure, avoid making a loud sound in the using process, reduce the sound of mechanical operation in an automobile and further improve the comfort level.
The technical scheme for realizing the purpose is as follows:
the invention provides a locking mechanism of an automobile slide rail, which is used for locking an upper slide rail and a lower slide rail of an automobile, wherein an opening is formed at the top of the lower slide rail, a plurality of tooth sockets are formed at intervals on the edge of the opening, the upper slide rail partially extends outwards from the opening and a plurality of vertically arranged tooth holes are formed corresponding to the tooth sockets, and the locking mechanism comprises:
the clamping piece is arranged in the upper sliding rail in a position-adjustable manner, part of the clamping piece penetrates through the tooth hole, and the clamping piece is clamped into or separated from the tooth groove by moving the clamping piece up and down along the tooth hole;
the unlocking piece is rotatably arranged on the upper slide rail and is in driving connection with the clamping piece, and the clamping piece is driven to move downwards by rotating the unlocking piece downwards so that the clamping piece is separated from the tooth grooves, and the upper slide rail and the lower slide rail are released;
the return spring is connected between the top of the clamping piece and the upper sliding rail so as to provide restoring force for the clamping piece and drive the clamping piece to move upwards, so that the clamping piece is clamped into the corresponding tooth groove, and the upper sliding rail and the lower sliding rail are locked; and
but fixed mounting is in the top of fastener and elastic deformation's elastic component, and the tip of this elastic component supports corresponding reset spring, and when reset spring drove the fastener rebound, fastener and last slide rail extrusion elastic component for elastic component warp and extrude reset spring, thereby eliminate reset spring's tremolo.
According to the locking mechanism of the automobile sliding rail, the elastic piece is arranged at the top of the clamping piece, so that when the clamping piece moves upwards along the tooth hole, the top surface of the upper sliding rail and the clamping piece extrude the elastic piece, the elastic piece is deformed, the end part of the elastic piece protrudes outwards, and the end part of the elastic piece supports against the return spring, so that the protruding part of the elastic piece extrudes the return spring, and therefore, the fluttering generated when the return spring rebounds can be eliminated, abnormal sound generated when the clamping piece ascends is reduced, the problem that the abnormal sound is obvious when the upper sliding rail and the lower sliding rail are locked is solved, the locking structure is optimized, larger sound is avoided being generated in the using process, the sound of mechanical operation in the automobile is reduced, and the comfort level is improved.
The locking mechanism of the automobile slide rail is further improved in that the vertical section of the elastic piece is in an inverted 8 shape, and a through hole is formed at a position close to the return spring;
the elastic piece is extruded through the clamping piece and the upper sliding rail, so that the through hole is deformed, and the part of the elastic piece, corresponding to the through hole, protrudes outwards, so that the return spring is pushed outwards.
The locking mechanism of the automobile sliding rail is further improved in that the positions of the top and the bottom of the elastic piece, which are close to the through hole, are outwards protruded to form protruding parts, and the protruding parts at the bottom of the elastic piece are fixedly connected with the clamping piece.
The locking mechanism of the automobile slide rail is further improved in that the protruding portion is provided with an arc-shaped hole, the arc-shaped hole is arched in the direction far away from the through hole, the protruding portion is extruded by the clamping piece and the upper slide rail, the arc-shaped hole is deformed, and the part corresponding to the protruding portion is sunken into the arc-shaped hole.
The locking mechanism of the automobile sliding rail is further improved in that the clamping piece comprises a toothed plate, a functional tooth and a plurality of locking teeth, wherein the toothed plate is positioned inside the upper sliding rail, the functional tooth corresponds to the toothed hole and is fixedly arranged at one end of the toothed plate, the locking teeth correspond to the toothed hole and are fixedly arranged at the side part of the toothed plate at intervals, the functional tooth and the locking teeth are arranged in the corresponding toothed hole in a penetrating manner, and the toothed plate is moved up and down to drive the functional tooth and the locking teeth to be clamped into or separated from the corresponding toothed grooves;
the side parts of the locking teeth are vertical to the toothed plate and are parallel to the side walls corresponding to the toothed grooves;
the width of the part of the functional teeth close to the toothed plate is smaller than that of the part of the functional teeth far away from the toothed plate, so that the side parts of the functional teeth are inclined and form a set included angle with the side wall of the toothed hole.
The locking mechanism of the automobile sliding rail is further improved in that the functional teeth comprise first convex blocks which are fixed on the side parts of the toothed plates and penetrate through the toothed holes, and the top surfaces and the bottom surfaces of the first convex blocks are flush with the top surfaces and the bottom surfaces of the toothed plates respectively;
when the functional tooth is clamped into the tooth socket, the first convex block is attached to the top surface of the tooth hole, and a set included angle is formed between the side part of the first convex block and the side wall corresponding to the tooth socket.
The locking mechanism of the automobile slide rail is further improved in that a circular arc-shaped lead angle is formed at a corner between the side part of the first bump and the top surface.
The locking mechanism of the automobile slide rail is further improved in that the locking teeth comprise second convex blocks which are fixed on the side parts of the toothed plates and penetrate through the toothed holes, and the top surfaces and the bottom surfaces of the second convex blocks are flush with the top surfaces and the bottom surfaces of the toothed plates respectively;
when the locking teeth are clamped into the tooth sockets, the second convex blocks are attached to the top surfaces of the tooth holes, and the side portions of the second convex blocks are parallel to the side walls corresponding to the tooth sockets.
The locking mechanism of the automobile sliding rail is further improved in that the clamping piece further comprises a third bump which corresponds to the tooth hole and is fixedly arranged at one end of the toothed plate far away from the functional teeth, the top surface and the bottom surface of the third bump are respectively flush with the top surface and the bottom surface of the toothed plate, and the corner between the side part of the third bump and the top surface is a right angle;
when the clamping piece is clamped into the tooth socket, the third bump is attached to the top surface of the tooth hole, and the side part of the third bump is attached to the side wall corresponding to the tooth socket.
The invention also provides a use method of the locking mechanism of the automobile slide rail, which comprises the following steps:
when the locking mechanism is unlocked, the unlocking piece is rotated downwards to drive the clamping piece to move downwards along the tooth hole, so that the clamping piece is separated from the tooth groove, and the upper sliding rail and the lower sliding rail are released;
when this locking mechanism of locking, upwards lift the deblocking piece, reset spring provides the restoring force to the fastener to drive the fastener along the tooth socket rebound, make the fastener card go into corresponding tooth's socket, thereby slide rail and lower slide rail on the locking, and fastener and last slide rail extrusion elastic component for the elastic component warp and extrude the spring that resets, thereby eliminate reset spring's tremolo.
Drawings
Fig. 1 is an exploded view of a locking mechanism of a slide rail for an automobile according to the present invention.
Fig. 2 is an enlarged schematic view of the elastic member when the locking mechanism of the automobile slide rail is locked.
Fig. 3 is a front sectional view of the locking mechanism of the automobile slide rail according to the present invention.
Fig. 4 is a perspective view of the locking mechanism of the automobile slide rail according to the present invention, in which a part of the lower slide rail is omitted.
Fig. 5 is an enlarged schematic view of the elastic member during the unlocking process of the locking mechanism of the automobile slide rail.
Fig. 6 is a front sectional view of the locking mechanism of the automobile slide rail in the unlocking process.
Fig. 7 is an enlarged schematic view of the elastic member when the locking mechanism of the automobile slide rail of the present invention is completely unlocked.
Fig. 8 is a front sectional view of the locking mechanism of the automobile slide rail of the present invention when fully unlocked.
FIG. 9 is a front view of one embodiment of the latch member of the locking mechanism of the automobile slide rail according to the present invention.
FIG. 10 is a top view of an embodiment of the latch member of the locking mechanism of the automobile slide rail according to the present invention.
Fig. 11 is a perspective view of an embodiment of the clamping piece in the locking mechanism of the automobile slide rail.
Fig. 12 is an enlarged schematic view of a functional tooth of one embodiment of the latch member in the locking mechanism of the automobile slide rail of the present invention.
Fig. 13 is an enlarged schematic view of a locking tooth of one embodiment of the clamping member of the locking mechanism of the automobile slide rail of the invention.
Fig. 14 is a top view of another embodiment of the latch member of the locking mechanism of the automobile slide rail of the present invention.
Fig. 15 is a perspective view of another embodiment of the latch member of the locking mechanism of the automobile slide rail of the invention.
Fig. 16 is an enlarged schematic view of another embodiment functional tooth of the catch in the locking mechanism of the automobile slide rail of the invention.
Fig. 17 is an enlarged schematic view of another embodiment of a locking tooth of a latch in a locking mechanism of an automobile slide rail according to the present invention.
Fig. 18 is an enlarged schematic view of a second panel of another embodiment of the latch member of the locking mechanism of the automobile slide rail of the present invention.
Fig. 19 is a front sectional view showing the locking of another embodiment of the card member in the locking mechanism of the slide rail of the automobile of the invention.
Fig. 20 is a perspective view showing the locking of another embodiment of the clip member in the locking mechanism of the automobile slide rail according to the present invention.
Fig. 21 is a graph showing the change of the stress of the elastic member in the locking mechanism of the automobile slide rail in the locking process.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
According to the locking mechanism of the automobile sliding rail and the using method thereof, the elastic piece is arranged on the top of the clamping piece, so that when the clamping piece moves upwards along the tooth hole, the top surface of the upper sliding rail and the clamping piece extrude the elastic piece, the elastic piece is deformed, the end part of the elastic piece protrudes outwards, and the end part of the elastic piece abuts against the return spring, so that the protruding part of the elastic piece extrudes the return spring, and therefore vibration generated when the return spring rebounds can be eliminated, abnormal sound generated when the clamping piece ascends is reduced, the problem that the abnormal sound is obvious when the upper sliding rail and the lower sliding rail are locked is solved, the locking structure is optimized, larger sound is prevented from being generated in the using process, the sound of mechanical operation in the automobile is reduced, and the comfort level is improved. The following describes the locking mechanism of the automobile slide rail according to the present invention with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is an exploded schematic view of a locking mechanism of an automobile slide rail according to the present invention. The following describes a locking mechanism of an automobile slide rail according to the present invention with reference to fig. 1.
As shown in fig. 1, 2, 5 and 7, the locking mechanism of the automobile slide rail according to the present invention is to lock an upper slide rail 21 and a lower slide rail 22 of an automobile, wherein an opening is formed at the top of the lower slide rail 22, a plurality of tooth slots 221 are formed at intervals at the edge of the opening, a portion of the upper slide rail 21 extends outward from the opening, and a plurality of tooth holes 211 vertically arranged are formed corresponding to the tooth slots 221, the locking mechanism includes:
the clamping piece 11 is arranged in the upper sliding rail 21 in a position-adjustable manner and partially penetrates through the tooth hole 211, and the clamping piece 11 is clamped into or separated from the tooth groove 221 by moving the clamping piece 11 up and down along the tooth hole 211;
the unlocking piece 13 is rotatably arranged on the upper slide rail 21 and is in driving connection with the clamping piece 11, and the unlocking piece 13 is rotated downwards to drive the clamping piece 11 to move downwards, so that the clamping piece 11 is separated from the tooth groove 221, and the upper slide rail 21 and the lower slide rail 22 are released;
a return spring 14 connected between the top of the card member 11 and the upper slide rail 21 to provide a restoring force to the card member 11 and to move the card member 11 upward so that the card member 11 is caught in the corresponding tooth groove 221, thereby locking the upper slide rail 21 and the lower slide rail 22; and
the elastic member 12 is fixedly installed on the top of the clamping piece 11 and can elastically deform, the end of the elastic member 12 abuts against the corresponding return spring 14, when the return spring 14 drives the clamping piece 11 to move upwards, the clamping piece 11 and the upper slide rail 21 press the elastic member 12, so that the elastic member 12 deforms and presses the return spring 14, and the tremolo of the return spring 14 is eliminated.
Specifically, the top of the clamping piece 11 is provided with a fixing rod 116, and the fixing rod 116 partially protrudes out of the top of the upper sliding rail 21, the unlocking piece 13 is rotatably connected to the upper sliding rail 21 and opposite to the fixing rod 116, and the unlocking piece 13 is rotated downwards, so that the unlocking piece 13 pushes the fixing rod 116 downwards, and the clamping piece 11 is driven to move downwards along the tooth hole 211.
Preferably, the return springs 14 are oppositely disposed.
Furthermore, the vertical section of the elastic part 12 is in an inverted 8 shape, a through hole 121 is formed at a position close to the return spring 14, the elastic part 12 is arranged between the two opposite return springs 14, and the end part of the elastic part is abutted against the corresponding return spring 14;
the elastic member 12 is pressed by the card 11 and the upper slide rail 21 so that the through hole 121 is deformed and a portion of the elastic member 12 corresponding to the through hole 121 protrudes outward, thereby pushing the return spring 14 outward.
Specifically, the top and bottom of the elastic member 12 are protruded outwardly to form a protrusion 122 near the through hole 121, and the protrusion 122 at the bottom of the elastic member 12 is fixedly connected to the card member 11.
Preferably, the protruding portion 122 is provided with an arc hole 1221, and the arc hole 1221 arches towards a direction away from the through hole 121, the protruding portion 122 is pressed by the clamping piece 11 and the upper slide rail 21, so that the arc hole 1221 deforms, and a portion corresponding to the protruding portion 122 is recessed into the arc hole 1221, the protruding portion 122 can contact with the clamping piece 11 and the upper slide rail 21 first, and after the arc hole 1221 deforms, the through hole 121 is further pressed, so that the elastic piece 12 deforms, and the end portion protrudes outwards, so as to press the reset spring 14.
As a preferred embodiment of the present invention, as shown in fig. 6 to 13, the clamping component 11 includes a tooth plate 111 located inside the upper sliding rail 21, a functional tooth 112 corresponding to the tooth hole 211 and fixedly disposed at one end of the tooth plate 111, and a plurality of locking teeth 113 corresponding to the tooth hole 211 and fixedly disposed at the side of the tooth plate 111 at intervals, wherein the functional tooth 112 and the locking teeth 113 are both disposed through the corresponding tooth hole 211, and the functional tooth 112 and the locking teeth 113 are driven to be clamped into or separated from the corresponding tooth grooves 221 by moving the tooth plate 111 up and down;
the side of the locking tooth 113 is perpendicular to the tooth plate 111 and parallel to the corresponding side wall of the tooth slot 221;
the width of the part of the functional teeth 112 close to the tooth plate 111 is smaller than the width of the part far from the tooth plate 111, so that the side part of the functional teeth 112 is inclined and forms a set included angle with the side wall of the tooth hole 211.
Preferably, as shown in fig. 3 and 4, the side of the tooth plate 111 forms protrusions protruding outward at intervals corresponding to the tooth holes 211, and a steel plate can be fixed at the ends of the protrusions to form the functional teeth 112 and the locking teeth 113, in such a manner that the functional teeth 112 are locked into the tooth grooves 221 in the locked state, so as to meet the locking requirements of the regulations.
As another preferred embodiment of the present invention, as shown in fig. 14 to 20, the functional teeth 112 include a first protrusion fixed on the side of the tooth plate 111 and penetrating through the tooth hole 211, and a top surface and a bottom surface of the first protrusion are flush with a top surface and a bottom surface of the tooth plate 111, respectively;
when the functional teeth 112 are clamped into the tooth grooves 221, the first protruding blocks are attached to the top surfaces of the tooth holes 211, a set included angle is formed between the side portions of the first protruding blocks and the side walls corresponding to the tooth grooves 221, and after the first protruding blocks are clamped into the tooth grooves 221, force arms which cannot be generated are avoided, so that the problem of tooth breakage can be avoided.
Preferably, the corners of the side and the top of the first bump are formed with arc-shaped chamfers.
Specifically, the locking teeth 113 include a second protrusion fixed to the side of the toothed plate 111 and penetrating through the toothed hole 211, and a top surface and a bottom surface of the second protrusion are flush with a top surface and a bottom surface of the toothed plate 111, respectively;
when the locking tooth 113 is engaged with the tooth slot 221, the second protrusion is engaged with the top surface of the tooth hole 211, and the side portion of the second protrusion is parallel to the corresponding side wall of the tooth slot 221.
Specifically, the clamping piece 11 further includes a third protrusion 114 corresponding to the tooth hole 211 and fixedly disposed at an end of the tooth plate 111 away from the functional teeth 112, and a top surface and a bottom surface of the third protrusion 114 are flush with a top surface and a bottom surface of the tooth plate 111;
when the clip is snapped into the tooth slot 221, the third protrusion 114 is attached to the top surface of the tooth hole 211, and the side of the third protrusion 114 is attached to the side wall corresponding to the tooth slot 221.
The specific embodiment of the invention is as follows:
the clamping piece 11 of the present application can use the clamping piece as shown in fig. 9 to 13, because the functional teeth 112 and the locking teeth 113 are both fixed to the side of the tooth plate 111, as shown in fig. 3, after the clamping piece 11 is clamped into the tooth slot 221, the parts of the functional teeth 112 and the locking teeth 113 below the tooth slot 221 are thick, and form a force arm, the clamping piece 11 of the present application can also use the clamping piece as shown in fig. 12, because the top surfaces and the bottom surfaces of the first protruding block, the second protruding block and the third protruding block 114 are all flush with the top surface and the bottom surface of the tooth plate 111, as shown in fig. 19, after the clamping piece 11 is clamped into the tooth slot 221, the functional teeth 112 and the locking teeth 113 almost have no parts below the tooth slot 221, so that the problem of tooth breakage can be avoided, and the strength is higher;
when the locking mechanism is unlocked, referring to fig. 7, the unlocking piece 13 is rotated downward, so that the unlocking piece 13 pushes against the fixing rod 116 to move downward, thereby driving the clamping piece 11 to move downward along the tooth hole 211, at this time, both the functional tooth 112 and the locking tooth 113 are disengaged from the tooth groove 221, thereby releasing the upper slide rail 21 and the lower slide rail 22, that is, the upper slide rail 21 can slide back and forth along the lower slide rail 22, at this time, the elastic piece 12 moves downward along with the clamping piece 11, and the stress condition is shown as point a in fig. 21;
when the locking mechanism is locked, as shown in fig. 5, the clip 11 is driven to move upwards along the tooth hole 211 under the action of the return spring 14, at this time, the functional teeth 112 and the locking teeth 113 start to move towards the tooth grooves 221, during the movement, the stress condition of the elastic element 12 is as shown in point B of fig. 21 and gradually changes to point C, and as the card member 11 continues to move upwards, in conjunction with fig. 2, the functional teeth 112 and the locking teeth 113 are clamped into the tooth grooves 221, so as to lock the upper slide rail 21 and the lower slide rail 22, i.e., the upper slide rail 21 cannot slide along the lower slide rail 22, and at this time, the elastic member 12 is pressed by the upper slide rail 21 and the card member 11, and is stressed as shown by point D in fig. 21, the elastic member 12 is deformed and both ends protrude outward, to press the return spring 14, therefore, the tremolo sound generated when the return spring 14 contracts is prevented, and the problem that the abnormal sound is obvious when the upper sliding rail 21 and the lower sliding rail 22 are locked is reduced.
The invention also provides a use method of the locking mechanism of the automobile slide rail, which comprises the following steps:
when the locking mechanism is unlocked, the unlocking piece 13 is rotated downwards to drive the clamping piece 11 to move downwards along the tooth hole 211, so that the clamping piece 11 is separated from the tooth groove 221, and the upper sliding rail 21 and the lower sliding rail 22 are released;
when the locking mechanism is locked, the unlocking piece 13 is lifted upwards, the return spring 14 provides restoring force for the clamping piece 11 to drive the clamping piece 11 to move upwards along the tooth hole 211, so that the clamping piece 11 is clamped into the corresponding tooth groove 221, the upper sliding rail 21 and the lower sliding rail 22 are locked, the clamping piece 11 and the upper sliding rail 21 extrude the elastic piece 12, the elastic piece 12 deforms and extrudes the return spring 14, and therefore the vibrato of the return spring 14 is eliminated.
The specific operation mode of the practical implementation of the using method provided by the invention is as follows:
the clamping piece 11 of the present application can use the clamping piece as shown in fig. 9 to 13, because the functional teeth 112 and the locking teeth 113 are both fixed to the side of the tooth plate 111, as shown in fig. 3, after the clamping piece 11 is clamped into the tooth slot 221, the parts of the functional teeth 112 and the locking teeth 113 below the tooth slot 221 are thick, and form a force arm, the clamping piece 11 of the present application can also use the clamping piece as shown in fig. 12, because the top surfaces and the bottom surfaces of the first protruding block, the second protruding block and the third protruding block 114 are all flush with the top surface and the bottom surface of the tooth plate 111, as shown in fig. 19, after the clamping piece 11 is clamped into the tooth slot 221, the functional teeth 112 and the locking teeth 113 almost have no parts below the tooth slot 221, so that the problem of tooth breakage can be avoided, and the strength is higher;
when the locking mechanism is unlocked, referring to fig. 7, the unlocking piece 13 is rotated downward, so that the unlocking piece 13 pushes against the fixing rod 116 to move downward, thereby driving the clamping piece 11 to move downward along the tooth hole 211, at this time, both the functional tooth 112 and the locking tooth 113 are disengaged from the tooth groove 221, thereby releasing the upper slide rail 21 and the lower slide rail 22, that is, the upper slide rail 21 can slide back and forth along the lower slide rail 22, at this time, the elastic piece 12 moves downward along with the clamping piece 11, and the stress condition is shown as point a in fig. 21;
when the locking mechanism is locked, as shown in fig. 5, the clip 11 is driven to move upwards along the tooth hole 211 under the action of the return spring 14, at this time, the functional teeth 112 and the locking teeth 113 start to move towards the tooth grooves 221, during the movement, the stress condition of the elastic element 12 is as shown in point B of fig. 21 and gradually changes to point C, and as the card member 11 continues to move upwards, in conjunction with fig. 2, the functional teeth 112 and the locking teeth 113 are clamped into the tooth grooves 221, so as to lock the upper slide rail 21 and the lower slide rail 22, i.e., the upper slide rail 21 cannot slide along the lower slide rail 22, and at this time, the elastic member 12 is pressed by the upper slide rail 21 and the card member 11, and is stressed as shown by point D in fig. 21, the elastic member 12 is deformed and both ends protrude outward, to press the return spring 14, therefore, the tremolo sound generated when the return spring 14 contracts is prevented, and the problem that the abnormal sound is obvious when the upper sliding rail 21 and the lower sliding rail 22 are locked is reduced.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (10)
1. The utility model provides a locking mechanism of car slide rail to the last slide rail and the lower slide rail of locking car, the top of lower slide rail is formed with the opening, just open-ended border interval is formed with a plurality of tooth's sockets, go up the slide rail part certainly the opening outwards stretches out and corresponds the tooth's socket forms a plurality of tooth holes of vertical setting, its characterized in that, locking mechanism includes:
the clamping piece is arranged in the upper sliding rail in a position-adjustable manner and partially penetrates through the tooth hole, and the clamping piece is clamped into or separated from the tooth groove by moving the clamping piece up and down along the tooth hole;
the unlocking piece is rotatably arranged on the upper sliding rail and is in driving connection with the clamping piece, and the clamping piece is driven to move downwards by rotating the unlocking piece downwards so that the clamping piece is separated from the tooth groove, and the upper sliding rail and the lower sliding rail are loosened;
the return spring is connected between the top of the clamping piece and the upper sliding rail so as to provide restoring force for the clamping piece and drive the clamping piece to move upwards, so that the clamping piece is clamped into the corresponding tooth groove, and the upper sliding rail and the lower sliding rail are locked; and
the elastic piece is fixedly installed on the top of the clamping piece and can elastically deform, the end part of the elastic piece abuts against the corresponding reset spring, and when the reset spring drives the clamping piece to move upwards, the clamping piece and the upper sliding rail extrude the elastic piece, so that the elastic piece deforms and extrudes the reset spring, and the vibrato of the reset spring is eliminated.
2. The locking mechanism of the automobile slide rail according to claim 1, wherein the vertical section of the elastic member is in an inverted 8 shape, and a through hole is formed at a position close to the return spring;
the elastic piece is extruded by the clamping piece and the upper sliding rail, so that the through hole is deformed, and the part of the elastic piece corresponding to the through hole protrudes outwards, so that the return spring is pushed outwards.
3. The locking mechanism of an automobile slide rail according to claim 2, wherein the top and bottom portions of the elastic member are formed with protrusions protruding outward at positions close to the through hole, and the protrusions at the bottom portion of the elastic member are fixedly connected to the clip.
4. The locking mechanism of an automobile slide rail according to claim 3, wherein the protrusion has an arc-shaped hole, and the arc-shaped hole is arched away from the through hole, and the protrusion is pressed by the clip and the upper slide rail, so that the arc-shaped hole is deformed, and a corresponding portion of the protrusion is recessed into the arc-shaped hole.
5. The locking mechanism of the automobile slide rail according to claim 1, wherein the fastener comprises a toothed plate located inside the upper slide rail, a functional tooth corresponding to the toothed hole and fixedly arranged at one end of the toothed plate, and a plurality of locking teeth corresponding to the toothed hole and fixedly arranged at the side of the toothed plate at intervals, the functional tooth and the locking teeth are respectively arranged in the corresponding toothed hole in a penetrating manner, and the functional tooth and the locking teeth are driven to be clamped into or separated from the corresponding tooth grooves by moving the toothed plate up and down;
the side parts of the locking teeth are perpendicular to the toothed plate and are parallel to the side walls corresponding to the toothed grooves;
the width of the part of the functional teeth close to the toothed plate is smaller than that of the part of the functional teeth far away from the toothed plate, so that the side parts of the functional teeth are inclined and form a set included angle with the side wall of the toothed hole.
6. The locking mechanism of the automobile slide rail according to claim 5, wherein the functional teeth comprise first protrusions fixed to the side portions of the tooth plate and penetrating the tooth holes, and top and bottom surfaces of the first protrusions are flush with the top and bottom surfaces of the tooth plate, respectively;
when the function tooth is blocked in the tooth socket, the first lug is attached to the top surface of the tooth hole, and a set included angle is formed between the side part of the first lug and the side wall corresponding to the tooth socket.
7. The locking mechanism of an automobile slide rail according to claim 6, wherein a rounded chamfer is formed at a corner between the side portion and the top surface of the first projection.
8. The locking mechanism of the automobile slide rail according to claim 5, wherein the locking tooth comprises a second protrusion fixed to a side of the tooth plate and penetrating the tooth hole, and a top surface and a bottom surface of the second protrusion are flush with a top surface and a bottom surface of the tooth plate, respectively;
when the locking teeth are clamped into the tooth sockets, the second convex blocks are attached to the top surfaces of the tooth holes, and the side portions of the second convex blocks are parallel to the side walls corresponding to the tooth sockets.
9. The locking mechanism of the automobile slide rail according to claim 5, wherein the clip further comprises a third protrusion corresponding to the tooth hole and fixedly arranged at an end of the tooth plate away from the functional tooth, wherein a top surface and a bottom surface of the third protrusion are respectively flush with a top surface and a bottom surface of the tooth plate, and a corner between a side portion of the third protrusion and the top surface is a right angle;
when the clamping piece is clamped into the tooth socket, the third bump is attached to the top surface of the tooth hole, and the side part of the third bump is attached to the side wall corresponding to the tooth socket.
10. The use method of the locking mechanism of the automobile slide rail according to claim 1 is characterized by comprising the following steps:
when the locking mechanism is unlocked, the unlocking piece is rotated downwards to drive the clamping piece to move downwards along the tooth hole, so that the clamping piece is separated from the tooth groove, and the upper sliding rail and the lower sliding rail are loosened;
when the locking mechanism is locked, the unlocking piece is lifted upwards, the reset spring provides restoring force for the clamping piece so as to drive the clamping piece to move upwards along the tooth hole, the clamping piece is clamped into the corresponding tooth groove, the upper sliding rail and the lower sliding rail are locked, the clamping piece and the upper sliding rail extrude the elastic piece, the elastic piece deforms and extrudes the reset spring, and therefore the vibrato of the reset spring is eliminated.
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| CN202110684401.3A CN113276733B (en) | 2021-06-21 | 2021-06-21 | Locking mechanism of automobile slide rail and using method thereof |
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| CN202110684401.3A CN113276733B (en) | 2021-06-21 | 2021-06-21 | Locking mechanism of automobile slide rail and using method thereof |
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| CN113276733B CN113276733B (en) | 2022-07-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118168883A (en) * | 2024-05-14 | 2024-06-11 | 贵州航天风华精密设备有限公司 | Automatic strengthening pre-twisting treatment device |
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| CN113276733B (en) | 2022-07-01 |
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Address after: 201315 No. 669 Kang'an Road, Kangqiao Industrial Zone, Pudong New District, Shanghai Applicant after: Yanfeng international Seat System Co.,Ltd. Address before: 201315 No. 669 Kang'an Road, Kangqiao Industrial Zone, Pudong New District, Shanghai Applicant before: YANFENG ADIENT SEATING Co.,Ltd. |
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