CN111645575A - Reliable and stable automobile seat core component - Google Patents

Abstract

The invention relates to the technical field of angle adjusters, in particular to a reliable and stable automobile seat core piece, which comprises a disc, a circular fluted disc, a shaft sleeve and a shifting block rotating synchronously with the shaft sleeve, wherein a pinion member is matched on the shifting block, the pinion member comprises a pinion and a cutting block wedged with the pinion, the circular fluted disc is provided with a sliding chute, the pinion member slides in the sliding chute of the circular fluted disc, one side of the pinion member is provided with a reinforcing member, the shifting block is provided with a shifting hook used for unlocking, the pinion member is provided with a hook groove matched with the shifting hook, the circular fluted disc is provided with internal teeth used for being meshed with the pinion, the shifting block is also provided with a matching structure which is used for propping the pinion member towards the circular fluted disc direction under the locking state of the core piece, the core piece also comprises an elastic resetting mechanism which is used for resetting a central shaft, and the core piece has the advantages of flexible adjustment, the gear is mainly applied to small-sized portable automobiles, is portable and has high strength and no sliding teeth.

Description

Reliable and stable automobile seat core component

Technical Field

The invention relates to the technical field of angle adjusters, in particular to a reliable and stable automobile seat core piece.

Background

At present, the types of automobile seat core parts at home and abroad are various. The automobile seat core piece mainly comprises a disc, a circular fluted disc, a pinion, a cutting block, a driving plate, a torsion spring, a driving block, a shaft sleeve, an enclosure and the like. The various core members have their advantages as well as their disadvantages. Some lock teeth are reliable but have high cost, and some lock teeth have poor reliability and are easy to slip though the manufacturing cost is low. Most core pieces have the problems of poor adjustment flexibility, poor synchronism, sliding teeth and the like.

Disclosure of Invention

In order to solve the problem of poor reliability of the conventional core piece in the prior art, the invention provides a reliable and stable automobile seat core piece.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the utility model provides a reliable stable car seat core spare, which comprises a disc, the circular fluted disc, the axle sleeve and with the synchronous pivoted shifting block of axle sleeve, the cooperation has the pinion component on the shifting block, the pinion component includes pinion and the stripping and slicing that closes with the pinion wedge, the circular fluted disc is equipped with the spout, the pinion component slides in the spout of circular fluted disc, one side is provided with the reinforcement member on the pinion component, be equipped with the shifting hook that is used for the unblock on the shifting block, be equipped with the hook groove that matches with the shifting hook on the pinion component, the circular fluted disc has the internal tooth that is used for with pinion engagement, still be equipped with on the shifting block with the cooperation structure that withstands the pinion component to the circular fluted disc direction under the core spare locking state, the core spare still includes the elasticity canceling release.

Further, the reinforcing member includes a dial, the pinion and the cutout each having a projection, the dial having a through hole for receiving the projection.

Furthermore, the size of the through hole is larger than that of the bump, or the side wall of the bump is in point contact or surface contact with the through hole.

Furthermore, the through holes are strip-shaped through holes, and the width of each strip-shaped through hole is matched with the size of each bump.

Furthermore, the outline of the wedged position of the pinion and the cutting block is in a fold line shape. Therefore, the pinion and the cutting block are matched and limited in all directions, and gaps and shaking cannot occur.

Furthermore, the matching structure comprises at least a first lug and a second lug which are arranged on the shifting block, and a first lug matched with the first lug and a second lug matched with the second lug are correspondingly arranged on the pinion component. In the prior art, the cam and the pinion only have one contact point, so that the sliding tooth phenomenon is easy to occur.

Furthermore, the number of the shifting hooks, the first convex blocks and the second convex blocks is two, and the shifting hooks, the first convex blocks and the second convex blocks are symmetrically arranged along the center of the shifting block. Like this, all set up at the both ends of shifting the piece and dial hook, first lug and second lug, the pinion component that corresponds also sets up in both sides, can realize the overall stability of component like this, guarantees with the normal work of core spare.

Furthermore, the elastic reset mechanism comprises a torsion spring, a clamping groove is formed in the disc, the opening end of the torsion spring is clamped in the clamping groove, a first square groove is formed in the shaft sleeve, and the inner end of the torsion spring is bent to be square matched with the first square groove. The shaft sleeve is provided with a second square groove, and the shifting block is provided with a square hole matched with the second square groove. The torsion spring and the shifting block are arranged on the shaft sleeve, and the opening end of the torsion spring is arranged in the clamping groove of the disc, so that the torsion spring is arranged without adding extra space or structure, the cost is reduced, the space can be saved, and the portable design of the whole core piece is facilitated.

Furthermore, the core piece also comprises a cladding arranged outside the disc and the circular fluted disc.

Has the advantages that:

(1) the invention provides a high strength, lightweight automotive seat core; the core part has the advantages of ingenious structure and simple manufacturing process, the overall strength is enhanced by arranging the driving plate, and the product quality is reliable and stable;

(2) under the condition of ensuring the strength, the size of the integral core part can be reduced, and because the size of the plastic parts on the seat is matched with that of the core part, correspondingly, after the size of the core part is reduced, the size of the plastic parts such as a plastic guard plate and the like on the seat can be designed to be smaller, the production cost is low, the weight is light, and the space occupied by the matching of the upper plate and the lower plate of the seat is small, so that the light weight of the seat is integrally facilitated, and the seat can be applied to small-sized light automobiles;

(3) through setting up the through-hole on the driver plate, the through-hole carries on spacingly to the bump on pinion and the cutting block, perhaps the bump and the through-hole size matching on pinion and the cutting block, pinion and cutting block slide along the through-hole, and the profile that pinion and cutting block wedge the department is the dogleg. Therefore, the pinion and the cutting block are matched and limited in all directions, so that the core part has small shaking clearance and high strength;

(4) the torsion spring and the shifting block are arranged on the shaft sleeve, and the opening end of the torsion spring is arranged in the clamping groove of the disc, so that the torsion spring is arranged without adding extra space or structure, the cost is reduced, the space is saved, and the light design of the whole core piece is facilitated;

(5) the pinion is provided with two contact points (a first lug and a second lug) at each side for jacking, so that the pinion is firmer and does not slide teeth.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is an exploded view of the recliner of the present invention;

FIG. 2 is a disassembled view of the recliner of the present invention;

FIG. 3 is a pinion gear structure view;

FIG. 4 is a block diagram;

FIG. 5 is a view of the construction of the dial;

FIG. 6 is a view showing the construction of a torsion spring;

FIG. 7 is a view showing the construction of the sleeve;

FIG. 8 is a view showing a structure of a disk (showing a position of a chute on the other side of the figure).

The automatic packaging machine comprises a base, a disc, a sliding groove, a clamping groove, a circular fluted disc, a gear, a pinion, a hook groove, a cutting block, a first boss, a second boss, a shifting block, a shifting hook, a first lug, a second lug, a third lug, a fourth lug, a torsion spring, a third lug, a fourth lug, a fifth lug, a sixth lug, a fifth lug, a sixth lug.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

As shown in fig. 1-8, a reliable and stable car seat core piece, including disc 1, circular fluted disc 2, axle sleeve 8 and shifting block 5 with axle sleeve 8 synchronous rotation, the cooperation has pinion member on the shifting block 5, pinion member includes pinion 3 and the cutting block 4 of wedging with pinion 3, circular fluted disc 2 is equipped with spout 11, pinion member slides in spout 11 of circular fluted disc 2, one side is provided with the reinforcement member on the pinion member, be equipped with the rake 51 that is used for the unblock on the shifting block 5, be equipped with the hook groove 31 that matches with rake 51 on the pinion 3 member, circular fluted disc 2 has the internal tooth that is used for with pinion 3 meshing, still be equipped with on the shifting block 5 with the cooperation structure that withstands pinion 3 member to circular fluted disc 2 direction under the core piece locking state, the core piece still includes the elasticity canceling release mechanical system that makes the center pin reset.

The reinforcing member comprises a dial 9, the pinion 3 and the cut-out 4 are provided with bumps 10, and the dial 9 is provided with a through hole for accommodating the bumps 10. The size of the through hole is larger than that of the bump 10, or the side wall of the bump 10 is in point contact or surface contact with the through hole.

The through hole can be only used for accommodating the salient point 10 and has a certain limiting effect on the salient point 10, or the through hole can be a strip-shaped through hole 91, the width of the strip-shaped through hole 91 is matched with the size of the salient point 10, the size of the pinion 3 is matched with that of the salient point 10 on the cutting block 4 and the strip-shaped through hole 91, and the pinion and the cutting block slide along the through hole, so that the core part of the invention has small shaking gap and high strength.

The outline of the wedged part of the pinion 3 and the cutting block 4 is in a fold line shape. Therefore, the pinion 3 and the cutting block 4 are matched and limited in all directions, and no gap or shaking occurs

The matching structure comprises at least a first lug 52 and a second lug 53 arranged on the shifting block 5, and a first lug 41 matched with the first lug 52 and a second lug 42 matched with the second lug 53 are correspondingly arranged on the pinion gear component. The number of the shifting hooks 51, the first convex blocks 52 and the second convex blocks 53 is two, and the shifting hooks, the first convex blocks 52 and the second convex blocks 53 are arranged along the center of the shifting block 5 in a symmetrical mode. First boss 41 and second boss 42 set up on stripping and slicing 4, in fact, stripping and slicing 4 cuts out the recess next to first boss 41 and second boss 42, like this, has just formed first boss 41 and second boss 42, and when the center pin resets, drives shifting block 5 return, and like this, the core is in the locking state, and at this moment, first lug 52 and first boss 41 contact, and second lug 53 and second boss 42 contact, and the contact point increases, has guaranteed the locking position, prevents to appear sliding tooth.

The elastic reset mechanism comprises a torsion spring 6, a clamping groove 12 is formed in the disc 1, the opening end of the torsion spring 6 is clamped in the clamping groove 12, a first square groove 81 is formed in the shaft sleeve 8, and the inner end of the torsion spring 6 is bent to be square and matched with the first square groove 81. The shaft sleeve 8 is provided with a second square groove 82, and the shifting block 5 is provided with a square hole matched with the second square groove 82. The core further comprises a cladding 7 disposed externally of the disc 1 and the disc 2.

The working principle is as follows: the center of the shaft sleeve 8 is provided with a square hole, one end of a central shaft of the angle adjuster is arranged to be square, so that the central shaft is matched with the shaft sleeve 8 and synchronously rotates, the central shaft of the angle adjuster drives the shaft sleeve 8 to rotate, and further drives the shifting block 5 to rotate, the small gear 3 is hooked by the shifting hook 51 in the rotating process, so that the small gear 3 and the cutting block 4 slide along the sliding groove 11 of the disc 1, the small gear 3 is not meshed with the circular fluted disc 2 any more, so that the small gear 3 and the circular fluted disc 2 can be separated, when the central shaft is released, the shaft sleeve 8 resets under the action of the torsional spring 6, so that the first lug 52 of the shifting block 5 abuts against the first lug 41 of the cutting block 4, the second lug 53 of the shifting block 5 abuts against the second lug 42 of the cutting block 4, and at the.

In the seat angle adjuster structure, one of the disc 1 and the circular fluted disc 2 of the core part is fixed with a backrest support of the seat, and the other is fixed with a bottom support of the seat, generally, the disc 1 is fixed with the bottom support of the seat, the circular fluted disc 2 is fixed with the backrest support (certainly not limited to the form), the pinion 3 is separated from the circular fluted disc 2 through the operation of the handle, under the action of a return spring of the seat, the backrest automatically rotates forwards or backwards under the action of external force of a rider, the backrest angle is adjusted to be required, then the handle is loosened, and under the action of the return spring of the handle, the pinion 3 is meshed with the circular fluted disc 2 to enable the backrest to be locked

The installation process comprises the following steps: the shaft sleeve 8 is sleeved with the shifting block 5, then the torsion spring 6 is sleeved on the shaft sleeve 8 to form a cam assembly (the front and the back of the shifting block 5 correspond to the front and the back of the torsion spring, the unlocking direction is opposite), the disc 1 is coated with a proper amount of grease, the cam assembly is placed in the chute 11 of the disc 1, the opening end of the torsion spring 6 is placed in the clamping groove 12 of the disc 1, the corresponding pinion 3 and the cutting block 4 are placed at the maximum position by adjusting the angle, the pinion 3 and the cutting block 4 are bilaterally symmetrical, the pinion 3 is wedged with the cutting block 4, then the driving plate 9 is sleeved on the salient points 10 corresponding to the pinion and the cutting block, the salient points 10 correspond to the strip-shaped through holes 91 of the driving plate 9, the grease is coated and placed in the circular fluted. And finally, placing the assembly into a gap between the welding cladding 7 of the laser welding machine and the disc 1, completing the assembly of the core assembly, and performing laser left and right marking on the disc according to the unlocking direction.

The core piece is divided into a left core piece and a right core piece, wherein the left core piece is unlocked in the clockwise direction, and the right core piece is unlocked in the anticlockwise direction. The central shaft is riveted into the shaft sleeve to unlock and drive the cam component consisting of the shifting block and the torsion spring to rotate, so that the pinion and the cutting block are displaced in the disc groove, and the core piece is locked or unlocked.

It should be understood that the above-described specific embodiments are merely illustrative of the present invention and are not intended to limit the present invention. Obvious variations or modifications which are within the spirit of the invention are possible within the scope of the invention.

Claims (10)

1. A reliable and stable automobile seat core piece is characterized by comprising a disc (1), a circular toothed disc (2), a shaft sleeve (8) and a shifting block (5) rotating synchronously with the shaft sleeve (8), wherein a pinion member is matched on the shifting block (5), the pinion member comprises a pinion (3) and a cutting block (4) wedged with the pinion (3), the circular toothed disc (2) is provided with a sliding groove (11), the pinion member slides in the sliding groove (11) of the circular toothed disc (2), a reinforcing member is arranged on one side of the pinion member, a shifting hook (51) used for unlocking is arranged on the shifting block (5), a hook groove (31) matched with the shifting hook (51) is arranged on the pinion (3), the circular toothed disc (2) is provided with an inner tooth used for being meshed with the pinion (3), and a matching structure for propping the pinion (3) towards the circular toothed disc (2) under the locking state of the core piece is further arranged on the shifting block (5), the core member further includes a resilient return mechanism for returning the central shaft.

2. A positive and stable vehicle seat core according to claim 1, wherein: the reinforcing member comprises a dial (9), the pinion (3) and the cutting block (4) are provided with convex points (10), and the dial (9) is provided with a through hole for accommodating the convex points (10).

3. A positive and stable vehicle seat core according to claim 2, wherein: the size of the through hole is larger than that of the salient point (10), or the side wall of the salient point (10) is in point contact or surface contact with the through hole.

4. A positive and stable vehicle seat core according to claim 3, wherein: the through holes are strip-shaped through holes (91), and the width of each strip-shaped through hole (91) is matched with the size of each bump (10).

5. A positive and stable vehicle seat core according to claim 2, wherein: the outline of the wedged position of the pinion (3) and the cutting block (4) is in a fold line shape.

6. A positive and stable vehicle seat core according to claim 1, wherein: the matching structure comprises at least a first lug (52) and a second lug (53) which are arranged on the shifting block (5), and a first boss (41) matched with the first lug (52) and a second boss (42) matched with the second lug (53) are correspondingly arranged on the pinion component.

7. A positive and stable vehicle seat core according to claim 6, wherein: the number of the shifting hooks (51), the first convex blocks (52) and the second convex blocks (53) is two, and the shifting hooks, the first convex blocks and the second convex blocks are arranged along the center of the shifting block (5) in a symmetrical mode.

8. A positive and stable vehicle seat core according to claim 1, wherein: elasticity canceling release mechanical system include torsional spring (6), disc (1) on be equipped with draw-in groove (12), the open end card of torsional spring (6) in draw-in groove (12), axle sleeve (8) on have first square groove (81), the inner of torsional spring (6) is buckled into and is gone up with first square groove (81) matched with squarely.

9. A positive and stable vehicle seat core according to claim 1, wherein: the shaft sleeve (8) is provided with a second square groove (82), and the shifting block (5) is provided with a square hole matched with the second square groove (82).

10. A positive and stable vehicle seat core according to claim 1, wherein: the core piece also comprises a cladding (7) arranged outside the disc (1) and the circular toothed disc (2).

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