CN204701499U - A kind of car seat back frame of shape changeable - Google Patents
A kind of car seat back frame of shape changeable Download PDFInfo
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- CN204701499U CN204701499U CN201520452796.4U CN201520452796U CN204701499U CN 204701499 U CN204701499 U CN 204701499U CN 201520452796 U CN201520452796 U CN 201520452796U CN 204701499 U CN204701499 U CN 204701499U
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- transfer roller
- bearing pin
- pillar
- cylinder
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Abstract
The utility model discloses a kind of car seat back frame of shape changeable, comprises framework, and framework is provided with left and right pillar, and left pillar is provided with multiple first cross through hole from top to bottom, and right pillar is provided with corresponding multiple second cross through hole from top to bottom; Between left and right pillar, multiple transfer roller is housed, the left end of each transfer roller is fixed with left bearing pin, right-hand member is fixed with right bearing pin, the outer peripheral face of each transfer roller is formed by connecting by multiple curved surface; Left bearing pin is connected with a lid mutually through the first cross through hole, and the left bearing pin between lid and left pillar overlaps the first stage clip; Right bearing pin is connected with a positioning knob mutually through the second cross through hole, the right pillar of each second cross through hole periphery is provided with multiple knock hole, positioning knob is provided with locating dowel pin and matches with described knock hole, and the right bearing pin between right pillar and transfer roller overlaps the second stage clip; The utility model conveniently can change back rest shape, meets the demand of passenger comfort and antifatigue, and structure is simple, and cost is low.
Description
Technical field
The utility model relates to automotive seat manufacturing technology field, especially a kind of car seat back frame of shape changeable.
Background technology
Traditional car seat back frame is made up of sheet metal component and tubing, and after seat back-rest framework assembling and welding complete, its shape is unmodifiable, can not meet the particular/special requirement of passenger to back rest shape.When riding in an automobile seat for a long time, passenger is easily tired, affects the traveling comfort of passenger's ride-on vehicles.
In order to enable the back rest shape of automotive seat change, the sitting posture of passenger is changed, to reduce the degree of fatigue of passenger.Within on 06 18th, 2014, disclose that an application number is " 201310683948.7 ", name is called the application for a patent for invention of " seat ", it comprises: back of seat, and described back of seat has the variable back support surface for seated person of shape, multiple air bag, described air bag is positioned at after the stayed surface part of described back of seat, and described air bag changes described surface-supported shape when introducing air or discharge air from described air bag in described air bag, and control setup, described control setup is constructed to control air to the introducing in described air bag and air from the discharge of described air bag, air was introduced in each air bag of described multiple air bag each air bag to be set as the air bag state specified by described control setup before seated person is taken one's seat on described seat, and described control setup is based on the variable condition of the air in each air bag occurred when seated person is taken one's seat on described seat when described air bag is in set condition, control air to the introducing in each air bag and air from the discharge of each air bag, so that the alteration of form of described back support surface is become the shape consistent with unique seated position of seated person.This seat changes the back rest shape of seat by the charge air changing air bag, and to alleviate the degree of fatigue of passenger, but its manufacturing cost is higher, and operation and control comparatively bother, and are difficult to large-scale promotion.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of car seat back frame of shape changeable, and it conveniently can change the shape of backrest, meets the demand of passenger comfort and antifatigue, and structure is simple, and cost is lower, is convenient to promote.
For achieving the above object, the technical solution of the utility model is: a kind of car seat back frame of shape changeable, comprise framework, framework is provided with left pillar and right pillar, left pillar is provided with multiple first cross through hole from top to bottom, and right pillar is provided with multiple second cross through hole corresponding with multiple first cross through hole from top to bottom;
Between left pillar and right pillar, multiple transfer roller is housed, the left end of each transfer roller is fixed with left bearing pin, and the right-hand member of each transfer roller is fixed with right bearing pin, and the outer peripheral face of each transfer roller is formed by connecting by multiple curved surface;
Described left bearing pin is connected with a lid mutually through first cross through hole, and the left bearing pin between lid and left pillar overlaps the first stage clip;
Described right bearing pin is connected with a positioning knob mutually through second cross through hole, the right pillar of each second cross through hole periphery is provided with multiple knock hole, positioning knob is provided with at least one locating dowel pin and matches with described knock hole, and the right bearing pin between right pillar and transfer roller overlaps the second stage clip.
Preferred described framework to be connected by end by a left U-shaped frame and a right U-shaped frame and to form, and left pillar is located on left U-shaped frame, and right pillar is located on right U-shaped frame.Make and assembling to facilitate.
Improve as one, described left bearing pin is connected mutually by the left end of screw thread with transfer roller, and described right bearing pin is connected mutually by the right-hand member of screw thread with transfer roller.With convenient for assembly,
Improve as one, described left bearing pin and right bearing pin are connected and being fixed together with transfer roller axially across after transfer roller along transfer roller.To improve left bearing pin and right bearing pin right alignment, to facilitate the rotation of transfer roller.
Preferred as one, in multiple transfer roller, the outer peripheral face of part transfer roller is formed by connecting by two faces of cylinder, a plane and an indent arcwall face, and plane is connected with the side on two faces of cylinder, and the opposite side on two faces of cylinder is connected with indent arcwall face;
In multiple transfer roller, the outer peripheral face of other a part of transfer roller is formed by connecting by two faces of cylinder, a plane and an evagination arcwall face, and plane is connected with the side on two faces of cylinder, and the opposite side on two faces of cylinder is connected with evagination arcwall face.
Preferred as one, the first transfer roller, the second transfer roller, the 3rd transfer roller and the 4th transfer roller are housed from top to bottom between left pillar and right pillar;
The outer peripheral face of the first transfer roller is formed by connecting by two faces of cylinder, a plane and an indent arcwall face, and two faces of cylinder are connected with the both sides of plane with indent arcwall face respectively;
The outer peripheral face of the second transfer roller is formed by connecting by two faces of cylinder, a plane and an evagination arcwall face, and two faces of cylinder are connected with the both sides of plane with evagination arcwall face respectively;
The outer peripheral face of the 3rd transfer roller is formed by connecting by two faces of cylinder, a plane and an indent arcwall face, and two faces of cylinder are connected with the both sides of plane with indent arcwall face respectively;
The outer peripheral face of the 4th transfer roller is formed by connecting by two faces of cylinder, a plane and an indent arcwall face, and two faces of cylinder are connected with the both sides of plane with indent arcwall face respectively.
This array mode can make the backrest surface of seat at least form the curved surface of a plane and a recessed rear convex approximate laminating human body back recessed again of elder generation.
Preferred described positioning knob is provided with two locating dowel pins and matches with multiple described knock hole.When knock hole is more, the rotational positioning position of positioning knob can be more, and shifting one's position of transfer roller can be more, to form more kinds of backrest surfaces.
Further improvement, the end of described left bearing pin is provided with outside thread, the centre of described lid is provided with internal thread hole, the end of left bearing pin is connected by screw thread interlocking mutually with lid, the end of described right bearing pin is provided with outside thread, the centre of described positioning knob is provided with internal thread hole, and the end of right bearing pin is connected by screw thread interlocking mutually with positioning knob.With convenient for assembly.
Further improvement, the bottom of described left pillar is fixed with left connecting panel, and the bottom of described right pillar is fixed with right connecting panel.Be connected with cushion skeleton by left connecting panel and right connecting panel are convenient.
The utility model owing to being equipped with multiple transfer roller between left pillar and right pillar, the outer peripheral face of each transfer roller is formed by connecting by multiple curved surface, each transfer roller can be rotated and locate by positioning knob, the first stage clip and the second stage clip, the backrest surface of seat is just made up of the curved surface on multiple transfer roller, when multiple transfer roller is in different positions, just can form different backrest surfaces, and the position of transfer roller is changed and need be adjusted positioning knob and can complete.Therefore conveniently can switch the shape changing backrest, passenger can according to oneself needs, and oneself exchanges back rest shape, changes in time and takes posture, have the effect meeting traveling comfort and antifatigue.
On the other hand, parts of the present utility model are less, and structure and operation control simple, and overall cost is lower, is convenient to large-scale promotion.
Accompanying drawing explanation
Fig. 1 is the utility model block diagram;
Fig. 2 is the block diagram of Fig. 1 hiding framework and left and right connecting plates;
Fig. 3 is that the A of Fig. 2 is to partial view;
Fig. 4 is the block diagram of the utility model framework;
Fig. 5 is the front view of the utility model lid;
Fig. 6 is the right elevation of Fig. 5;
Fig. 7 is the front view of the utility model positioning knob;
Fig. 8 is the left view of Fig. 7.
Detailed description of the invention
Below in conjunction with accompanying drawing and concrete embodiment, the utility model is described in further detail.
Shown in Fig. 1 to Fig. 8, a kind of car seat back frame of shape changeable, comprise framework 1, framework 1 is provided with left pillar 11 and right pillar 12, framework 1 to be connected by welding edges by an a left U-shaped frame 1a and right U-shaped frame 1b and to form, left pillar 11 is located on left U-shaped frame 1a, and right pillar 12 is located on right U-shaped frame 1b.
Left pillar 11 is provided with four the first cross through hole 111 from top to bottom, and right pillar 12 is provided with four second cross through hole 121 corresponding with four the first cross through hole 111 from top to bottom;
Four transfer rollers are housed between left pillar 11 and right pillar 12, four transfer rollers are followed successively by the first transfer roller 21, second transfer roller 22, the 3rd transfer roller 23 and the 4th transfer roller 24 from top to bottom, the left end of each transfer roller is fixed with left bearing pin 3, the right-hand member of each transfer roller is fixed with right bearing pin 4, described left bearing pin 3 can be connected mutually by the left end of screw thread with transfer roller, and described right bearing pin 4 also can be connected by the right-hand member of screw thread with transfer roller mutually;
Described left bearing pin 3 is connected with a lid 5 mutually through first cross through hole 111, left bearing pin 3 between lid 5 and left pillar 11 overlaps and has the first stage clip 6, in the present embodiment, the end of described left bearing pin 3 is provided with outside thread, the centre of described lid 5 is provided with internal thread hole 51, and the end of left bearing pin 3 is connected by screw thread interlocking mutually with lid 5;
Described right bearing pin 4 is connected with a positioning knob 7 mutually through second cross through hole 121, in the present embodiment, the end of described right bearing pin 4 is provided with outside thread, and the centre of described positioning knob 7 is provided with internal thread hole 71, and the end of right bearing pin 4 is connected by screw thread interlocking mutually with positioning knob 7; The right pillar 12 of each second cross through hole 121 periphery is provided with two knock holees 122, positioning knob 7 is provided with two locating dowel pins 72 and matches with two knock holees 122, when the locating dowel pin of two on positioning knob 7 72 inserts two knock holees 122, positioning knob 7 and transfer roller just can not rotate, when the locating dowel pin of two on positioning knob 7 72 departs from two knock holees 122, positioning knob 7 can drive transfer roller to rotate.
Right bearing pin 4 between right pillar 12 and transfer roller overlaps and has the second stage clip 8.
The outer peripheral face of each transfer roller is formed by connecting by multiple curved surface, and multiple curved surface can include identical curved surface or be all different curved surfaces, and shown in composition graphs 3, specifically arranging of the present embodiment is as follows:
The outer peripheral face of the first transfer roller 21 is formed by connecting by two face of cylinder 2a, a plane 2b and an indent arcwall face 2c, and two face of cylinder 2a are connected with the both sides of indent arcwall face 2c with plane 2b respectively;
The outer peripheral face of the second transfer roller 22 is formed by connecting by two face of cylinder 2a, a plane 2b and an evagination arcwall face 2d, and two face of cylinder 2a are connected with the both sides of evagination arcwall face 2d with plane 2b respectively;
The outer peripheral face of the 3rd transfer roller 23 is formed by connecting by two face of cylinder 2a, a plane 2b and an indent arcwall face 2c, and two face of cylinder 2a are connected with the both sides of indent arcwall face 2c with plane 2b respectively;
The outer peripheral face of the 4th transfer roller 24 is formed by connecting by two face of cylinder 2a, a plane 2b and an indent arcwall face 2c, and two face of cylinder 2a are connected with the both sides of indent arcwall face 2c with plane 2b respectively.
Such set-up mode can form multiple backrest surface, as formed whole plane or forming the curved surface of first recessed rear convex approximate laminating human body back then recessed again, when the indent arcwall face 2c on the 3rd transfer roller 23 is corresponding with the indent arcwall face 2c on the 4th transfer roller 24, form a larger indent arcwall face.
The bottom of described left pillar 11 is fixed with left connecting panel 91, and the bottom of described right pillar 12 is fixed with right connecting panel 92, can be conveniently connected with cushion skeleton with right connecting panel 92 by left connecting panel 91.
The utility model only effectively need be assembled up with the cushion skeleton of automotive seat by left connecting panel 91 and right connecting panel 92, then this kind of seat is carried out relevant sponge and face shield etc. and packages just can be arranged in various types of vehicles and use.
In use, the backrest surface of seat is decided by the curved surface on the first transfer roller 21, second transfer roller 22, the 3rd transfer roller 23 and the 4th transfer roller 24.As the first transfer roller 21, second transfer roller 22, after forming the backrest surface of a planar shaped together with 3rd transfer roller 23 is corresponding with the plane on the 4th transfer roller 24, if passenger wants the shape changing backrest, positioning knob 7 can be pulled out along the axis of transfer roller one by one, now the first stage clip 6 and the second stage clip 8 are compressed, two locating dowel pins 72 on positioning knob 7 can depart from two knock holees 122, then be rotated further positioning knob 7 drive corresponding transfer roller rotate 180 degree make on positioning knob 7 two locating dowel pins 72 again corresponding upper two knock holees 122 then loosen positioning knob 7, under the effect of the first stage clip 6 and the second stage clip 8 elastic force, two locating dowel pins 72 on positioning knob 7 just insert two knock holees 122 again, positioning knob 7 and corresponding transfer roller are fixed, the backrest surface of such seat is just by the first transfer roller 21, second transfer roller 22, other curved surface on 3rd transfer roller 23 and the 4th transfer roller 24 is formed, as the shape on the right side of pie graph 3, first recessed rear convex curved surface then recessed more from top to bottom, form the curved surface of an approximate laminating human body back.The utility model also can a rotating element transfer roller to change the shape of backrest, to form more kinds of backrest surfaces, realize freely switching of back of seat shape, to meet the demand of passenger comfort and antifatigue.
Below be only the utility model preferred embodiment, those skilled in the art makes by claim the protection domain that equivalent change all falls into this case.
Claims (9)
1. the car seat back frame of a shape changeable, comprise framework, framework is provided with left pillar and right pillar, it is characterized in that: left pillar is provided with multiple first cross through hole from top to bottom, and right pillar is provided with multiple second cross through hole corresponding with multiple first cross through hole from top to bottom;
Between left pillar and right pillar, multiple transfer roller is housed, the left end of each transfer roller is fixed with left bearing pin, and the right-hand member of each transfer roller is fixed with right bearing pin, and the outer peripheral face of each transfer roller is formed by connecting by multiple curved surface;
Described left bearing pin is connected with a lid mutually through first cross through hole, and the left bearing pin between lid and left pillar overlaps the first stage clip;
Described right bearing pin is connected with a positioning knob mutually through second cross through hole, the right pillar of each second cross through hole periphery is provided with multiple knock hole, positioning knob is provided with at least one locating dowel pin and matches with described knock hole, and the right bearing pin between right pillar and transfer roller overlaps the second stage clip.
2. the car seat back frame of a kind of shape changeable according to claim 1, is characterized in that: described framework to be connected by end by a left U-shaped frame and a right U-shaped frame and to form, and left pillar is located on left U-shaped frame, and right pillar is located on right U-shaped frame.
3. the car seat back frame of a kind of shape changeable according to claim 1, is characterized in that: described left bearing pin is connected mutually by the left end of screw thread with transfer roller, and described right bearing pin is connected mutually by the right-hand member of screw thread with transfer roller.
4. the car seat back frame of a kind of shape changeable according to claim 1, is characterized in that: described left bearing pin and right bearing pin are connected and being fixed together with transfer roller axially across after transfer roller along transfer roller.
5. the car seat back frame of a kind of shape changeable according to claim 1, it is characterized in that: in multiple transfer roller, the outer peripheral face of part transfer roller is formed by connecting by two faces of cylinder, a plane and an indent arcwall face, plane is connected with the side on two faces of cylinder, and the opposite side on two faces of cylinder is connected with indent arcwall face;
In multiple transfer roller, the outer peripheral face of other a part of transfer roller is formed by connecting by two faces of cylinder, a plane and an evagination arcwall face, and plane is connected with the side on two faces of cylinder, and the opposite side on two faces of cylinder is connected with evagination arcwall face.
6. the car seat back frame of a kind of shape changeable according to claim 1, is characterized in that: the first transfer roller, the second transfer roller, the 3rd transfer roller and the 4th transfer roller are housed from top to bottom between left pillar and right pillar;
The outer peripheral face of the first transfer roller is formed by connecting by two faces of cylinder, a plane and an indent arcwall face, and two faces of cylinder are connected with the both sides of plane with indent arcwall face respectively;
The outer peripheral face of the second transfer roller is formed by connecting by two faces of cylinder, a plane and an evagination arcwall face, and two faces of cylinder are connected with the both sides of plane with evagination arcwall face respectively;
The outer peripheral face of the 3rd transfer roller is formed by connecting by two faces of cylinder, a plane and an indent arcwall face, and two faces of cylinder are connected with the both sides of plane with indent arcwall face respectively;
The outer peripheral face of the 4th transfer roller is formed by connecting by two faces of cylinder, a plane and an indent arcwall face, and two faces of cylinder are connected with the both sides of plane with indent arcwall face respectively.
7. the car seat back frame of a kind of shape changeable according to claim 1, is characterized in that: described positioning knob is provided with two locating dowel pins and matches with multiple described knock hole.
8. the car seat back frame of a kind of shape changeable according to claim 1, it is characterized in that: the end of described left bearing pin is provided with outside thread, the centre of described lid is provided with internal thread hole, the end of left bearing pin is connected by screw thread interlocking mutually with lid, the end of described right bearing pin is provided with outside thread, the centre of described positioning knob is provided with internal thread hole, and the end of right bearing pin is connected by screw thread interlocking mutually with positioning knob.
9. the car seat back frame of a kind of shape changeable according to any one of claim 1 to 8, is characterized in that: the bottom of described left pillar is fixed with left connecting panel, and the bottom of described right pillar is fixed with right connecting panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520452796.4U CN204701499U (en) | 2015-06-29 | 2015-06-29 | A kind of car seat back frame of shape changeable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520452796.4U CN204701499U (en) | 2015-06-29 | 2015-06-29 | A kind of car seat back frame of shape changeable |
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| Publication Number | Publication Date |
|---|---|
| CN204701499U true CN204701499U (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520452796.4U Expired - Fee Related CN204701499U (en) | 2015-06-29 | 2015-06-29 | A kind of car seat back frame of shape changeable |
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| CN (1) | CN204701499U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890553A (en) * | 2015-06-29 | 2015-09-09 | 厦门理工学院 | Car seat backrest framework capable of changing shape |
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2015
- 2015-06-29 CN CN201520452796.4U patent/CN204701499U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890553A (en) * | 2015-06-29 | 2015-09-09 | 厦门理工学院 | Car seat backrest framework capable of changing shape |
| CN104890553B (en) * | 2015-06-29 | 2018-04-17 | 厦门理工学院 | A kind of car seat back frame of shape changeable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151014 Termination date: 20180629 |
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| CF01 | Termination of patent right due to non-payment of annual fee |