CN215552726U - Seat back and vehicle - Google Patents

Abstract

The application discloses backrest and vehicle, including the backrest body, the backrest body has the back and is used for the front of leaning on, the back sets up with openly relatively, the backrest body has left border, last border and the right edge that connects gradually, left side border sets up with the right edge relatively, left side border, last border and right edge all turn over a left turn-ups, turn-ups and the right turn-ups that form to connect gradually to the enstrophe, left turn-ups, turn-ups and right turn-ups enclose into first cell body with the back of backrest body, be provided with first breach on the border of the first junction of turn-ups and last turn-ups on a left side. By the aid of the method, the tearing length of the upper flanging and the left flanging can be reduced, product quality is improved, tearing paths can be guided, the filling range is reduced, repairing time is saved, repairing efficiency is improved, labor intensity and labor cost of workers are reduced, and the method is simple in structure and low in production cost.

Description

Seat back and vehicle

Technical Field

The application relates to the technical field of vehicles, in particular to a seat backrest and a vehicle.

Background

Conventional seat backs are typically manufactured using existing three-plate mold tooling. When the seat backrest is demoulded, the problem of mould tearing often occurs. The inventor discovers that the torn part of the die is not flat in the process of realizing the application, the repair is needed, the time and the labor are wasted, and the labor cost is high.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present application provides a seat back and a vehicle to solve the above technical problems.

The present application provides a seat back, which includes: the backrest body, the backrest body has the back and is used for the front of leaning on, the back sets up with the front relatively, the backrest body has left border, last border and the right border that connects gradually, left side border sets up with the right border relatively, left side border, last border and right border all turn over a left side turn-ups, turn-ups and the right turn-ups that form to connect gradually to the enstrophe, left side turn-ups, turn-ups and right turn-ups enclose into first cell body with the back of backrest body, be provided with first breach on the border of left side turn-ups and the first junction of turn-ups.

Optionally, a second notch is arranged on the edge of the second connection part of the right flange and the upper flange.

Optionally, the first notch and the second notch are symmetrically arranged on two sides of the upper flange.

Optionally, the first notch and the second notch both penetrate through to a third connection position between the groove bottom of the first groove body and the upper flange.

Optionally, first breach and second breach all include bar mouth and round hole, be provided with the opening on the pore wall of round hole, the bar mouth passes through opening and round hole intercommunication, the round hole is located the one side of the tank bottom that is close to the cell body.

Optionally, the backrest body further has a lower edge, the lower edge is arranged opposite to the upper edge, the lower edge extends towards a direction close to the upper edge to form a lower flanging, the lower flanging and the back of the backrest body form a second groove body, and gaps are formed among the lower flanging, the left flanging and the right flanging.

Optionally, a plurality of first protruding portions are arranged on the portion, opposite to the left flanging, of the back face, the distance between every two adjacent first protruding portions is equal, a plurality of second protruding portions are arranged on the portion, opposite to the right flanging, of the back face, the distance between every two adjacent second protruding portions is equal, a mounting hole matched with the seat framework is formed in the backrest body, the hole wall, opposite to the front face, of the mounting hole protrudes towards the direction far away from the front face to form a third protruding portion, and the third protruding portion is located on the portion, opposite to the upper flanging, of the back face.

Optionally, the width of the strip-shaped opening is equal to the inner diameter of the round hole.

Optionally, left side border, last border and right side border all extend towards the direction of keeping away from the back and form left side arch, upside arch and the right side arch that connects gradually, left side arch, upside arch and right side arch enclose into the dependence region that is used for supplying the user to rely on, be provided with on the protruding third junction of left side arch and upside and be used for keeping away the seam groove with the sewing thread complex of seat face cover is first, be provided with on the protruding fourth junction of upside arch and right side and be used for keeping away the seam groove with the sewing thread complex second of seat face cover, first keep away the seam groove and the second and keep away the seam groove and set up in the bellied both sides of upside symmetrically.

The present application also provides a vehicle including a seat back as described above.

The utility model provides a backrest and vehicle sets up first breach through setting up the back body, and the border department that left flanging and last flanging handing-over mutually at the back body not only can reduce the length of tearing of last flanging and left flanging, improves product quality, still can guide the tear path, reduces and fills the scope, saves repair time, improves repair efficiency, reduces workman's intensity of labour and cost of labor, simple structure simultaneously, low in production cost.

Drawings

FIG. 1 is an angled perspective view of a seat back of the present application.

Fig. 2 is a perspective view of another angle of the seat back of the present application.

Fig. 3 is a front view of the seat back of the present application.

Fig. 4 is a side view of the seat back of the present application.

Fig. 5 is a rear view of the seat back of the present application.

Detailed Description

The technical solutions of the present application are described in detail below with reference to the accompanying drawings and specific embodiments. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Fig. 1 shows a perspective view of one angle of the seat back of the present application, and fig. 2 shows a perspective view of another angle of the seat back of the present application. The present application provides a seat back, comprising: a backrest body 100.

The backrest body 100 has a back surface and a front surface for a passenger to lean against, the back surface and the front surface are oppositely arranged, the backrest body 100 has a left edge, an upper edge and a right edge which are sequentially connected, and the left edge and the right edge are oppositely arranged.

The left edge, the upper edge and the right edge are all turned inwards to form a left turned edge 101, an upper turned edge 102 and a right turned edge 103 which are connected in sequence, wherein the left turned edge 101 is positioned on the left edge, the right turned edge 103 is positioned on the right edge, and the upper turned edge 102 is positioned on the upper edge. Where "inner" is the direction near the geometric center of the back.

The left turned edge 101, the upper turned edge 102 and the right turned edge 103 and the back of the backrest body 100 enclose a first groove body, and a first notch 104 is arranged on the edge of a first connection position of the left turned edge 101 and the upper turned edge 102.

When the seat backrest is demoulded, the backrest body 100 is turned over by the upper flanging 102, and due to the arrangement of the first notch 104, on one hand, the tearing length of the upper flanging 102 and the left flanging 101 can be reduced, on the other hand, the tearing path can be guided, and the filling range is reduced.

The utility model provides a backrest sets up first breach through setting up the back body, at the border department that the left turn-ups of back body handed over mutually with last turn-ups, not only can reduce the tear length of last turn-ups 102 and left turn-ups 101, improves product quality, still can guide the tear path, reduces the filling scope, saves repair time, improves repair efficiency, reduces workman's intensity of labour and cost of labor, simple structure simultaneously, low in production cost.

Further, as shown in fig. 1, a second notch 105 is formed in the edge of the second connection portion of the right flange 103 and the upper flange 102, so that the tearing length can be further reduced, and the filling range can be further reduced.

In one embodiment, the first notch 104 and the second notch 105 are symmetrically disposed on two sides of the upper flange 102, so as to facilitate design and processing, improve processing efficiency, and reduce production cost.

In one embodiment, the first notch 104 and the second notch 105 penetrate through the third connecting position between the bottom of the first groove and the upper flange, so that the tearing length can be reduced to the maximum extent, the filling range can be reduced, and the product quality can be improved.

The first notch 104 and the second notch 105 do not affect the quality and the structural strength of the seat back, nor the normal use of the seat back.

In one embodiment, the first and second notches 104 and 105 each include a bar-shaped opening and a circular opening.

As shown in fig. 1 and 5, the strip-shaped holes and the circular holes both penetrate through the thickness direction of the turned-up edge 102, and the strip-shaped holes penetrate through the width direction of the turned-up edge 102.

An opening is formed in the hole wall of the round hole, the strip-shaped opening is communicated with the opening of the round hole, and the round hole is located on one side close to the bottom of the groove body.

Through setting up first breach 104 and second breach 105 as the strip mouth and the round hole that are connected, can avoid the junction of turn-up edge 102 and left turn-up edge 101, right turn-up edge 103 to tear, improve the product quality of backrest.

In one embodiment, the width of the strip-shaped opening is equal to the inner diameter of the circular hole, so that the transition is better achieved.

In the present embodiment, as shown in fig. 5, the length L of the strip-shaped opening of each of the first notch 104 and the second notch 105 is about 88mm, the width D thereof is about 4mm, and the inner diameter R of the circular hole is about 4 mm.

In one embodiment, the backrest body 100 further has a lower edge, the lower edge is disposed opposite to the upper edge, the lower edge extends toward a direction close to the upper edge to form a lower flange 113, the lower flange 113 and the back surface of the backrest body 100 form a second groove, and gaps are disposed between the lower flange 113 and the left and right flanges 101 and 103.

Through setting up turn-ups 113 down, help following the lower limb and overturn the seat back, be favorable to the demolding, improve demolding efficiency.

In one embodiment, a plurality of first protrusions 106 are disposed on a portion of the back surface opposite to the left flange 101, and the adjacent first protrusions 106 are spaced at equal intervals.

The part of the back surface opposite to the right turned edge 103 is provided with a plurality of second convex parts 107, and the intervals between the adjacent second convex parts 107 are equal.

The backrest body 100 is provided with a mounting hole matching with the seat frame, a hole wall opposite to the front face on the mounting hole protrudes towards a direction far away from the front face to form a third protruding portion, and the third protruding portion is located on a portion of the back face opposite to the upper flange 102.

Through setting up first bellying, second bellying, third bellying, avoid taking place to interfere with seat skeleton.

In one embodiment, as shown in fig. 2-4, the left edge, the upper edge, and the right edge each extend away from the back surface to form a left protrusion 108, an upper protrusion 109, and a right protrusion 110.

The left side bulge 108, the upper side bulge 109 and the right side bulge 110 enclose a depending area, a first seam avoiding groove 111 used for being matched with a sewing thread of the seat surface sleeve is arranged at the third joint of the left side bulge 108 and the upper side bulge 109, a second seam avoiding groove 112 used for being matched with the sewing thread of the seat surface sleeve is arranged at the fourth joint of the upper side bulge 109 and the right side bulge 110, and the first seam avoiding groove 111 and the second seam avoiding groove 112 are symmetrically arranged at two sides of the upper side bulge 109.

Through setting up first groove 111 and the second groove 112 of keeping away the seam, can conveniently keep away the sewing thread cooperation of seam peach with the seat, improve the aesthetic property.

The present application further provides a vehicle, as shown in fig. 1-5, including a seat back as described above.

The utility model provides a vehicle is through setting up the back body, sets up first breach in the border department that the left turn-ups of back body handed over mutually with last turn-ups, not only can reduce the tear length of turn-ups 102 and left turn-ups 101, improves product quality, still can guide the tear path, reduces the filling scope, saves repair time, improves repair efficiency, reduces workman's intensity of labour and cost of labor, simple structure simultaneously, low in production cost.

The technical solutions of the present application are described in detail with reference to specific embodiments, which are used to help understand the ideas of the present application. The derivation and modification made by the person skilled in the art on the basis of the specific embodiment of the present application also belong to the protection scope of the present application.

Claims (10)

1. A seat back, comprising: the backrest body, the backrest body has the back and is used for the front of leaning on, the back sets up with the front relatively, the backrest body has left border, last border and the right border that connects gradually, left side border sets up with the right border relatively, left side border, last border and right border all turn over a left side turn-ups, turn-ups and the right turn-ups that form to connect gradually to the enstrophe, left side turn-ups, turn-ups and right turn-ups enclose into first cell body with the back of backrest body, be provided with first breach on the border of left side turn-ups and the first junction of turn-ups.

2. The seat back of claim 1, wherein a second notch is provided on the edge of the second connection of the right flange and the upper flange.

3. The seat back of claim 2, wherein the first and second notches are symmetrically disposed on opposite sides of the upturn.

4. The seat back of claim 3, wherein the first notch and the second notch both extend through to a third junction of the trough bottom of the first slot and the upper flange.

5. The seat back of claim 4, wherein the first and second notches each comprise a strip-shaped opening and a circular hole, an opening is provided on a wall of the circular hole, the strip-shaped opening communicates with the circular hole through the opening, and the circular hole is located at one side close to a bottom of the groove.

6. The seat backrest of claim 5, wherein the backrest body further has a lower edge, the lower edge is opposite to the upper edge, the lower edge extends towards a direction close to the upper edge to form a lower flange, the lower flange and the back surface of the backrest body form a second groove, and gaps are formed between the lower flange and the left and right flanges.

7. The seat back according to claim 6, wherein a plurality of first protrusions are provided on a portion of the back surface opposite to the left raised edge, the intervals between adjacent first protrusions are equal, a plurality of second protrusions are provided on a portion of the back surface opposite to the right raised edge, the intervals between adjacent second protrusions are equal, a mounting hole for fitting with the seat frame is provided inside the back body, a hole wall of the mounting hole opposite to the front surface is protruded in a direction away from the front surface to form a third protrusion, and the third protrusion is provided on a portion of the back surface opposite to the upper raised edge.

8. The seat back of claim 7, wherein the strip port has a width equal to an inner diameter of the circular hole.

9. The seat back according to any one of claims 1 to 8, wherein the left edge, the upper edge and the right edge each extend in a direction away from the back surface to form a left protrusion, an upper protrusion and a right protrusion connected in sequence, the left protrusion, the upper protrusion and the right protrusion enclose a resting area for a user to rest on, a third joint of the left protrusion and the upper protrusion is provided with a first seam avoiding groove for cooperating with a sewing thread of the seat cover, a fourth joint of the upper protrusion and the right protrusion is provided with a second seam avoiding groove for cooperating with a sewing thread of the seat cover, and the first seam avoiding groove and the second seam avoiding groove are symmetrically arranged on both sides of the upper protrusion.

10. A vehicle comprising a seat back according to any of claims 1 to 9.

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