CN217672263U - Shoulder adjusting mechanism and seat and vehicle with same - Google Patents

Abstract

The utility model discloses a shoulder adjustment mechanism and seat and vehicle that have it, shoulder adjustment mechanism includes: a shoulder plate, a guide, and a moving assembly. The shoulder plate has a first end and a second end, the first end of the shoulder plate being adapted to be pivotally connected with a first portion of the seat back. The guide has a first end and a second end disposed opposite in a direction of extension thereof, the first end of the guide being adapted to be pivotally connected with the second portion of the seat back. The moving assembly is pivotally connected with the second end of the shoulder plate, and the moving assembly can move back and forth along the extending direction of the guide relative to the guide to drive the shoulder plate to rotate relative to the seat back. The utility model discloses a shoulder adjustment mechanism can realize the regulatory function of shoulder board, and is little at the fore-and-aft direction occupation space of seat simultaneously.

Description

Shoulder adjusting mechanism and seat and vehicle with same

Technical Field

The utility model relates to the field of automotive technology, concretely relates to shoulder adjustment mechanism and seat and vehicle that have it.

Background

In the related art, in order to improve the comfort of the seat, the seat is usually provided with a shoulder adjusting mechanism, for example, document CN205930400U discloses a shoulder adjusting mechanism which includes a shoulder frame pivotally connected to a seat back; the shoulder skeleton drive, the shoulder skeleton drive includes motor and lead screw, the motor sets up on the seat back, the motor passes through lead screw drive shoulder skeleton and rotates around the seat back, realize the front and back regulation of shoulder skeleton, but this shoulder adjustment mechanism's motor is fixed on the seat back and need rotate around the seat back through lead screw drive shoulder skeleton, so the lead screw need stretch out and draw back in the seat front and back direction, this makes this shoulder adjustment mechanism occupy that the seat space is big, and influence the arrangement of other mechanisms on the seat.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving one of the technical problems in the related art at least to a certain extent.

Therefore, the embodiment of the present invention provides a shoulder adjusting mechanism, which can realize the adjusting function of a shoulder plate, and occupies a small space in the front-back direction of a seat.

A shoulder adjustment mechanism according to an embodiment of the present invention comprises a shoulder plate having a first end and a second end, the first end of the shoulder plate adapted to be pivotally connected to a first portion of a seat back; a guide having a first end and a second end disposed opposite in a direction of extension thereof, the first end of the guide adapted to be pivotally connected with the second portion of the seat back; and the moving assembly is pivotally connected with the second end of the shoulder plate, and the moving assembly can move back and forth along the extending direction of the guide piece relative to the guide piece so as to drive the shoulder plate to rotate relative to the seat back.

The utility model discloses shoulder adjustment mechanism can realize the regulatory function of shoulder board, and is little at the fore-and-aft direction occupation space of seat simultaneously.

In some embodiments, the guide member is a lead screw, a first end of the lead screw is pivotally connected to the second portion of the seat back, the moving assembly includes a nut that fits over the lead screw, and a driving member for driving the nut to reciprocate along the lead screw, the driving member is pivotally connected to the second end of the shoulder plate.

In some embodiments, the second end of the guide member is provided with a stopper for limiting the moving assembly to be disengaged from the guide member.

In some embodiments, the shoulder adjustment mechanism further comprises a connection seat adapted to connect with the seat back, the connection seat having a first portion and a second portion, the first portion of the connection seat corresponding to the first portion of the seat back, the second portion of the connection seat corresponding to the second portion of the seat back, the first end of the shoulder plate pivotally connected to the first portion of the connection seat, and the first end of the guide pivotally connected to the second portion of the connection seat.

In some embodiments, the shoulder adjustment mechanism further comprises a fixed shaft having a first end and a second end, one of the first and second ends of the fixed shaft being pivotally connected with the first end of the guide, the other of the first and second ends of the fixed shaft being connected with the connecting seat.

In some embodiments, the driving member is provided with a rotatable worm, and the nut is provided with worm gear teeth on the outer peripheral surface thereof, the worm being engaged with the worm gear teeth so that the driving member drives the nut to reciprocate in the direction of the axis of the lead screw.

In some embodiments, the moving assembly further comprises a housing, the housing is pivotally connected to the shoulder plate, the driving member is mounted in the housing, the nut is rotatably mounted in the housing, and the housing is provided with a through hole for avoiding the guide member when the housing moves along the axial direction of the guide member along with the nut.

In some embodiments, the shoulder adjustment mechanism further comprises a link having a first portion and a second portion, the first portion of the link being pivotally connected to the housing, the second portion of the link being connected to the shoulder plate, the second portion of the link having a bearing surface, the shoulder plate having a force-bearing surface on a side thereof adjacent the movable assembly, the bearing surface interfacing with the force-bearing surface.

The utility model also provides a seat, seat includes backrest and shoulder adjustment mechanism, shoulder adjustment mechanism be in above-mentioned arbitrary embodiment shoulder adjustment mechanism.

The utility model also provides a vehicle, vehicle includes the seat, the seat be in above-mentioned embodiment.

Drawings

Fig. 1 is a schematic perspective view of a shoulder adjustment mechanism coupled to a seat back according to an embodiment of the present invention.

Fig. 2 is another perspective view of the connection of the shoulder adjustment mechanism to the seat back according to an embodiment of the present invention.

Fig. 3 is a schematic perspective view of the shoulder adjustment mechanism of fig. 1.

Fig. 4 is a perspective view illustrating the fixed shaft of fig. 3 connected to the connecting holder.

Figure 5 is a schematic diagram of a shoulder adjustment mechanism coupled to a seat back according to an embodiment of the present invention.

Reference numerals:

a shoulder adjusting mechanism 100;

a shoulder plate 1; a moving assembly 2; a guide 3; a fixed shaft 4; a limiting member 5; a connecting seat 6; a connecting member 7;

a seat back 200;

a first portion 201 of the seat back;

a second portion 202 of the seat back.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 5, the shoulder adjustment mechanism 100 of the embodiment of the present invention includes a shoulder plate 1, the shoulder plate 1 having a first end and a second end, the first end of the shoulder plate 1 being adapted to be pivotally connected with a first portion of a seat back 200; a guide 3, the guide 3 having a first end and a second end oppositely disposed in an extending direction thereof, the first end of the guide 3 being adapted to be pivotally connected with the second portion of the seat back 200; and a moving assembly 2, wherein the moving assembly 2 is pivotally connected with the second end of the shoulder plate 1, and the moving assembly 2 can move back and forth along the extending direction of the guide 3 relative to the guide 3 to drive the shoulder plate 1 to rotate relative to the seat back 200.

Specifically, as shown in fig. 1 to 5, the shoulder plate 1 has a first end and a second end, the first end of the shoulder plate 1 is pivotally connected to a first portion 201 of the seat back 200, the direction of rotation of the shoulder plate 1 with respect to the seat back 200 is a front-rear direction, the first end of the guide 3 is pivotally connected to a second portion 202 of the seat back 200, the direction of rotation of the guide 3 with respect to the seat back 200 is a front-rear direction, the shoulder plate 1 is located entirely on a front side of the seat back 200, the guide 3 is located on a rear side of the shoulder plate 1, the moving member 2 is pivotally connected to the second end of the shoulder plate 1, the direction of rotation of the moving member 2 with respect to the shoulder plate 1 is a front-rear direction, the moving member 2 is engaged with the guide 3, and the moving member 2 is reciprocally movable with respect to the guide 3 in the extending direction of the guide 3 to drive the shoulder plate 1 to swing back and forth.

The utility model discloses shoulder adjustment mechanism 100 is through constituteing slider-crank mechanism with backrest 200, shoulder board 1, guide 3 and removal subassembly 2 to make removal subassembly 2 reciprocating motion on guide 3, can realize the swing regulatory function of shoulder board 1, and simultaneously, remove subassembly 2 and be on guide 3 reciprocating motion and lead the swing of shoulder board 1, rather than extend and shorten the regulation that realizes shoulder board 1 along the fore-and-aft direction with the lead screw in the correlation technique, consequently the utility model discloses direction occupation space is little around the seat.

In some embodiments, the guide 3 is a lead screw, a first end of the lead screw is pivotally connected to the second portion 202 of the seat back 200, and the moving assembly 2 includes a nut (not shown in the figures) that is fitted on the lead screw and a driving member (not shown in the figures) for driving the nut to reciprocate along the lead screw, the driving member being pivotally connected to the second end of the shoulder plate 1.

Specifically, as shown in fig. 5, the guide member 3 is a lead screw, the lead screw integrally extends in the up-down direction, a lower end of the lead screw is pivotably connected to the second portion 202 of the seat back 200, the moving assembly 2 includes a nut, which is pivotably connected to the second end of the shoulder plate 1, and a driving member, which is engaged on the lead screw, for driving the nut to reciprocate in the axial direction of the lead screw to drive the shoulder plate 1 to swing back and forth.

The embodiment of the utility model provides a through constitute slider-crank mechanism with seat back 200, shoulder board 1, lead screw, nut and driving piece to make driving piece drive nut reciprocating motion on the lead screw, can realize the swing regulatory function of shoulder board 1, simultaneously, the nut has the locking function with the lead screw cooperation, from this, can have certain rigidity after shoulder board 1 atress, can satisfy the use.

It will be appreciated that the moving member 2 may be a cylinder, and the guide member 3 may be a piston rod fitted to the cylinder, the end of the piston rod being pivotally connected to the second portion of the seat back 200, and the cylinder being pivotally connected to the second end of the shoulder plate 1, the cylinder being reciprocatable in the axial direction of the piston rod to draw the shoulder plate 1 to swing on the seat back 200.

It is understood that the moving assembly 2 may also be a mover of the linear motor, the guide 3 may also be a magnetic track of the linear motor, an end of the magnetic track may be pivotally connected to the seat back 200, the mover may be pivotally connected to the second end of the shoulder plate 1, and the mover may reciprocate relative to the magnetic track to draw the shoulder plate 1 to swing on the seat back 200.

In some embodiments, the second end of the guide 3 is provided with a stopper 5 for restricting the moving assembly 2 from being separated from the guide 3.

Specifically, as shown in fig. 2, the second end of the guide member 3 is provided with a limiting member 5, and the moving assembly 2 is located between the first end and the second end of the guide member 3. This prevents the moving unit 2 from being disengaged from the guide 3 while reciprocating on the guide 3, which may cause the moving unit 2 to collide with the seat back 200 and be damaged.

In some embodiments, the shoulder adjusting mechanism 100 further comprises a connecting seat 6, the connecting seat 6 is adapted to be connected with the seat back 200, the connecting seat 6 has a first portion and a second portion, the first portion of the connecting seat 6 corresponds to the first portion 201 of the seat back 200, the second portion of the connecting seat 6 corresponds to the second portion 202 of the seat back 200, the first end of the shoulder plate 1 is pivotably connected with the first portion of the connecting seat 6, and the first end of the guide 3 is pivotably connected with the second portion of the connecting seat 6.

The embodiment of the utility model provides a need not to be connected guide 3 and shoulder board 1 respectively directly with backrest 200, only can realize through connecting seat 6 with backrest 200's erection joint, not only can reduce the process of being connected with backrest 200, moreover, can reduce because of the installation error on backrest 200 causes shoulder adjustment mechanism 100's geometric dimensions's inconsistency.

In some embodiments, the shoulder adjusting mechanism 100 further comprises a fixing shaft 4, the fixing shaft 4 having a first end and a second end, one of the first end and the second end of the fixing shaft 4 being pivotably connected with the first end of the guide member 3, the other of the first end and the second end of the fixing shaft 4 being connected with the connecting seat 6.

Specifically, the fixing shaft 4 has a first end and a second end opposite to each other in a left-right extending direction thereof, the first end of the fixing shaft 4 is located at a right side of the second end, the first end of the fixing shaft 4 is connected to the connecting seat 6, and the second end of the fixing shaft 4 is pivotably connected to the first end of the guide member 3.

The utility model discloses guide 3 is connected with connecting seat 6 through fixed axle 4, when shoulder board 1 and the guide 3 of being connected indirectly with shoulder board 1 receive the impact, the plastic deformation absorption impact energy takes place for fixed axle 4 accessible, not only can improve the security that shoulder board 1 used, moreover, shoulder board 1 receives the impact back, can protect the backrest 200 of being connected with connecting seat 6 not receive the damage, only change fixed axle 4 and can normally use, therefore its cost of maintenance is low.

In some embodiments, the drive member is provided with a rotatable worm, the nut having a peripheral surface provided with worm gear teeth, the worm being in mesh with the worm gear teeth such that the drive member drives the nut to reciprocate in the direction of the screw axis. Like this, because the deceleration ratio of the worm wheel tooth and worm, need not to increase the reduction gear when the driving piece passes through worm wheel and worm tooth meshing drive nut and can realize that the nut gently removes on the lead screw, consequently not only multiplicable user's use is experienced and the travelling comfort, but also has the characteristics that occupation space is little, compact structure.

It should be noted that the present embodiment does not limit the type of the driving element, for example, the driving element may be an electric motor, an output shaft of the electric motor may be connected to the worm, the driving element may also be a hydraulic motor, and an output shaft of the hydraulic motor may be connected to the worm.

In some embodiments, the moving assembly 2 further comprises a housing, the housing is pivotally connected to the shoulder plate 1, the driving member is mounted in the housing, the nut is rotatably mounted in the housing, the housing is provided with a through hole, and the through hole is used for avoiding the guide member 3 when the housing moves along the axial direction of the guide member 3 along with the nut. Thus, the driving piece is arranged in the shell, the noise transmitted out of the shell by the driving piece can be reduced, and the shell can prevent foreign matters from contacting with the driving piece to influence the normal use of the driving piece.

In some embodiments, the shoulder adjustment mechanism 100 further comprises a link 7, the link 7 having a first portion and a second portion, the first portion of the link 7 being pivotally connected to the housing, the second portion of the link 7 being connected to the shoulder plate 1, the second portion of the link 7 having a bearing surface, the shoulder plate 1 having a force bearing surface on a side thereof adjacent to the movable assembly 2, the bearing surface interfacing with the force bearing surface.

Specifically, as shown in fig. 2, the connecting member 7 is an L-shaped plate having a first plate pivotally connected to the housing and a second plate connected to the shoulder plate 1, the first plate being rotated in a front-rear direction with respect to the housing, the second plate having a supporting surface, the shoulder plate 1 having a force-receiving surface on a side thereof adjacent to the moving member 2, the supporting surface being in contact with the force-receiving surface. Thus, the shoulder plate 1 is connected with the shell through the connecting piece 7, when the shoulder plate 1 is impacted, the connecting piece 7 can absorb impact energy through deformation, and meanwhile, the shoulder plate 1 is in surface contact with the connecting piece 7, so that stress concentration at the joint of the shoulder plate 1 can be prevented, and the shoulder plate 1 has safety.

The present invention further provides a seat, comprising a seat back 200 and a shoulder adjusting mechanism 100, wherein the shoulder adjusting mechanism 100 is the shoulder adjusting mechanism 100 of any of the above embodiments.

The utility model discloses the seat through shoulder adjustment mechanism 100 not only makes the seat have the function of adjusting shoulder board 1, and shoulder adjustment mechanism 100 is little in the fore-and-aft direction of seat moreover, is favorable to other mechanisms to arrange on the seat.

The utility model also provides a vehicle, the vehicle includes the seat, and the seat is the seat in the above-mentioned embodiment.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless expressly specified otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. A shoulder adjustment mechanism, comprising:

a shoulder plate having a first end and a second end, the first end of the shoulder plate adapted to be pivotally connected with a first portion of a seat back;

a guide having a first end and a second end disposed opposite in a direction of extension thereof, the first end of the guide adapted to be pivotally connected with the second portion of the seat back;

and the moving assembly is pivotally connected with the second end of the shoulder plate, and the moving assembly can move back and forth along the extending direction of the guide piece relative to the guide piece so as to drive the shoulder plate to rotate relative to the seat back.

2. The shoulder adjustment mechanism of claim 1 wherein the guide member is a lead screw, a first end of the lead screw being pivotally connected to the second portion of the seat back, the movement assembly including a nut engaged on the lead screw, and a drive member for driving the nut to reciprocate along the lead screw, the drive member being pivotally connected to the second end of the shoulder plate.

3. The shoulder adjustment mechanism of claim 1 wherein the second end of the guide member is provided with a stop for limiting disengagement of the movable assembly from the guide member.

4. The shoulder adjustment mechanism of claim 1 further comprising a connection block adapted to connect with the seat back, the connection block having a first portion and a second portion, the first portion of the connection block corresponding to the first portion of the seat back, the second portion of the connection block corresponding to the second portion of the seat back, the first end of the shoulder plate pivotally connected to the first portion of the connection block, the first end of the guide pivotally connected to the second portion of the connection block.

5. The shoulder adjustment mechanism of claim 4 further comprising a fixed shaft having a first end and a second end, one of the first and second ends of the fixed shaft being pivotally connected to the first end of the guide, the other of the first and second ends of the fixed shaft being connected to the connection seat.

6. The shoulder adjustment mechanism of claim 2 wherein the driver is provided with a rotatable worm, the nut being provided on an outer peripheral surface thereof with worm gear teeth, the worm being in mesh with the worm gear teeth such that the driver drives the nut to reciprocate in the direction of the screw axis.

7. The shoulder adjustment mechanism of claim 6 wherein the movement assembly further comprises a housing, the housing being pivotally connected to the shoulder plate, the driving member being mounted within the housing, the nut being rotatably mounted within the housing, the housing defining a through hole for the housing to pass over the guide as the nut moves along the axis of the guide.

8. The shoulder adjustment mechanism of claim 7 further comprising a link having a first portion and a second portion, the first portion of the link being pivotally connected to the housing and the second portion of the link being connected to the shoulder plate, the second portion of the link having a bearing surface, the shoulder plate having a force bearing surface on a side thereof adjacent the movable assembly, the bearing surface interfacing with the force bearing surface.

9. A seat comprising a seat back and a shoulder adjustment mechanism as claimed in any one of claims 1 to 8.

10. A vehicle comprising a seat, the seat being in accordance with claim 9.

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