CN203354035U - Adjustable structure for controlling tilting of chair back - Google Patents
Adjustable structure for controlling tilting of chair back Download PDFInfo
- Publication number
- CN203354035U CN203354035U CN 201320355242 CN201320355242U CN203354035U CN 203354035 U CN203354035 U CN 203354035U CN 201320355242 CN201320355242 CN 201320355242 CN 201320355242 U CN201320355242 U CN 201320355242U CN 203354035 U CN203354035 U CN 203354035U
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- CN
- China
- Prior art keywords
- backrest
- piece
- keeper
- connection adapter
- rest
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model discloses an adjustable structure for controlling tilting of a chair back, which comprises a backrest part and two back connection parts connected to the two sides of the backrest part respectively, wherein an adjustable mechanisms are arranged between the back connection parts and the backrest part; the backrest part comprises a backrest rack, backrest positioning pieces and metal inserts; the backrest positioning pieces extend out from the backrest rack integrally; the metal inserts are embedded into the backrest positioning pieces; each back connection part is provided with a back connection built-up connection piece and a lock catch piece; each adjustable mechanism comprises a spring element, a limiting member and a positioning block; the designed adjustable structure of a training chair is novel and simple in structure, convenient to mount and use, low in cost, and beautiful and elegant in appearance, and has simpler and more practical functions. Through the optimal design of the backrest part, the back connection parts and the adjustable mechanisms, the adjustable structure has the advantages that the time and labor are saved during adjustment, and a rotating piece is only required to be slightly rotated, the positions of the positioning blocks can be adjusted, so that the relative position of the backrest part and the back connection parts is efficiently adjusted.
Description
Technical field
The utility model relates to the chair technical field, refers in particular to a kind of adjustable structure of controlling chair back-rest inclination.
Background technology
The kind of current existing training chair is more, generally has function singleness, and complex structure needs the dismounting restructuring, waste time and energy, and inconvenience.Some training chairs use fold mechanism, and complicated operation and fold mechanism expose, and make to train chair in the use, are restricted in appearance.Existing training chair comprises chair frame, backboard, seat board, control cabinet, hinge-connection mechanism, and described seat board is fixedly mounted on chair frame seat pipe; Backboard top is connected on the backrest transverse tube by the control cabinet be fixedly mounted on backboard; The backboard bottom is by the connection rotating shaft hinge-connection connecting rod be fixedly mounted on backboard, and by the connecting rod hinge-connection on chair frame seat pipe.This type of training structure of chair is still very complicated, but and the training chair used in the market there is no regulatory function, its backrest structure is more single, can't adjust corresponding position, makes to train chair and more meets training requirement.The equal more complicated of chair back-rest inclination adjustment structure adopted in the market, install and use complexity, and cost is high.Along with the requirement that the user holds comfort level and simplicity of operation to seat is more and more higher, a kind of back leaning adjustment structure need to be provided, it is simple in structure, easy to install and use, cost is low, to meet the requirement of user to the seat comfort degree.
The utility model content
In view of this, the utility model is for the disappearance of prior art existence, and its main purpose is to provide a kind of adjustable structure of controlling chair back-rest inclination, and it is simple in structure, be easy to production and assembly, can meet the training functional requirement.
For achieving the above object, the utility model adopts following technical scheme: a kind of adjustable structure of controlling chair back-rest inclination, include back-rest and be connected to the back-rest both sides two the back of the body connecting portions, be provided with adjustable mechanism between described back of the body connecting portion and back-rest, described back-rest includes back rest, backrest keeper and metal insert, described backrest keeper is extended by the back rest one, and described metal insert is embedded in the backrest keeper;
Described back of the body connecting portion is provided with back of the body connection adapter piece and snap close piece;
Described adjustable mechanism includes spring element, limit component and locating piece; This spring element one end is installed on the backrest keeper, the other end is installed on back of the body connection adapter piece, described back of the body connection adapter piece is fastened on the backrest keeper, and described spring element, between backrest keeper and back of the body connection adapter piece and with this backrest keeper and the relative motion of back of the body connection adapter piece, elastic deformation occurs; Described limit component rotatably is installed between back of the body connection adapter piece and snap close piece by snap close piece;
Described limit component is provided with the limit track slided for locating piece, described backrest keeper is provided with the sliding rail slided for locating piece, along being provided with the location short slot that can take in locating piece on this sliding rail, this location short slot is formed towards inner extension of backrest keeper by sliding rail;
Described locating piece one end is placed on limit track, and the other end is placed on sliding rail, and during a certain position when locating piece one end in limit track, the other end of this locating piece slips in the short slot of location; Be provided with a draw-in groove on described limit component, be covered with a revolving part on described snap close piece, this revolving part can be around this snap close piece rotation, and this revolving part is provided with a convex body be complementary with limit component, this convex body is plugged in limit component, be provided with a fixture block on this convex body, this fixture block is sticked in the draw-in groove of limit component, and this limit component rotates to control locating piece with this revolving part and moves and skid off in the short slot of location along sliding rail.
As a kind of preferred version, be provided with the first spring mounting hole on described backrest keeper, be provided with the second spring mounting hole on described back of the body connection adapter piece, the plug-in mounting bar is extended at described spring element two ends one respectively, described spring element one end is plugged in the first spring mounting hole, and the other end is plugged in the second spring mounting hole.
As a kind of preferred version, described backrest keeper includes a main body, this main body periphery one is extended the Access Division be interlocked with back of the body connection adapter piece, this section of main center one is extended a central shaft, this central shaft is a nut seat, between this nut seat and Access Division, be the first spring storage tank, described spring element is placed on nut seat; Described back of the body connection adapter piece central part is provided with a centre bore, fastens backrest keeper direction one by this centre bore towards back of the body connection adapter piece and extends central axle sleeve, and this central axle sleeve matches with aforementioned central shaft, and this central axle sleeve is set on central shaft; This back of the body connection adapter piece one side is provided with the holding section suitable with Access Division, be provided with the second spring storage tank between described holding section and central axle sleeve, described spring element is placed in the first spring storage tank and the second spring storage tank, this back of the body connection adapter piece is provided with the limit component storage tank with respect to the opposite side of the second spring storage tank, described limit component is placed in this limit component storage tank, this back of the body connection adapter piece is buckled on the backrest keeper by screwed lock, and this screw passes centre bore and is screwed on nut seat.
As a kind of preferred version, described locating piece is positioned at the limit component end one limit spring is installed, and this limit spring one end is placed on locating piece, and the other end is resisted against snap close piece.Elastic deformation occurs with the change in location of locating piece in this limit spring.
As a kind of preferred version, the height of the end to end of described limit track is more than or equal to the length that locating piece stretches into the location short slot.
As a kind of preferred version, be covered with a block on the side of described backrest keeper.
The utility model compared with prior art has obvious advantage and beneficial effect, the adjustable structure of the control chair back-rest inclination that the utility model is designed not only novel succinct, easy to install and use, cost is low, attractive in appearance, generous, and simpler on function, practical.Optimal design by back-rest, back of the body connecting portion and adjustable mechanism, this adjustable structure is time saving and energy saving in adjustment process, only need rotate gently this revolving part just can regulate the position of locating piece, thereby effectively regulates the relative position of back-rest and back of the body connecting portion, and then the elevation angle of adjusting back.
The accompanying drawing explanation
Fig. 1 controls the assembling schematic perspective view of the adjustable structure of chair back-rest inclination in the utility model embodiment;
Fig. 2 controls the decomposing schematic representation of the adjustable structure of chair back-rest inclination in the utility model embodiment;
Fig. 3 controls the profile of the adjustable structure of chair back-rest inclination in the utility model embodiment;
Fig. 4 is the schematic perspective view of back rest in the utility model embodiment;
Fig. 5 is the assembling stereogram of back rest, limit component and limited block in the utility model embodiment;
Fig. 6 is the schematic perspective view of limit component in the utility model embodiment;
Fig. 7 is the schematic perspective view of revolving part in the utility model embodiment;
Fig. 8 is the schematic perspective view of snap close piece in the utility model embodiment;
Fig. 9 is the schematic perspective view of back of the body connection adapter piece in the utility model embodiment;
Figure 10 is another schematic perspective view of back of the body connection adapter piece in the utility model embodiment;
The accompanying drawing identifier declaration:
10, back-rest
11, back rest 12, backrest keeper
121, sliding rail 122, location short slot
123, the first spring mounting hole 124, main body
125, Access Division 126, nut seat
127, the first spring storage tank
13, metal insert 14, block
20, back of the body connecting portion
21, back of the body connection adapter piece
211, the second spring mounting hole 212, centre bore
213, holding section 214, the second spring storage tank
215, limit component storage tank 216, central axle sleeve
217, snap fit hole 218, locating hole
22, snap close piece 221, body
222, snap fit 23, revolving part
24, convex body 241, fixture block
25, teeth
30, adjustable mechanism
31, spring element 32, limit component
321, limit track 322, draw-in groove
33, locating piece 331, limit spring
40, screw
The specific embodiment
Please refer to shown in Fig. 1 to Fig. 6, it has shown the concrete structure of the preferred embodiment of the utility model, a kind of adjustable structure of controlling chair back-rest inclination, include back-rest 10 and be connected to two of back-rest 10 both sides and carry on the back connecting portions 20, between described back of the body connecting portion 20 and back-rest 10, be provided with adjustable mechanism 30.
Wherein, this back-rest 10 includes back rest 11, backrest keeper 12 and metal insert 13, and described backrest keeper 12 is extended by back rest 11 one, and described metal insert 13 is embedded in backrest keeper 12;
This back of the body connecting portion 20 is provided with back of the body connection adapter piece 21 and snap close piece 22;
This adjustable mechanism 30 includes spring element 31, limit component 32 and locating piece 33; These spring element 31 1 ends are installed on backrest keeper 12, the other end is installed on back of the body connection adapter piece 21, this back of the body connection adapter piece 21 is fastened on backrest keeper 12, and described spring element 31, between backrest keeper 12 and back of the body connection adapter piece 21 and with this backrest keeper 12 and the relative motion of back of the body connection adapter piece 21, elastic deformation occurs; Described limit component 32 rotatably is installed between back of the body connection adapter piece 21 and snap close piece 22 by snap close piece 22;
This limit component 32 is provided with the limit track 321 slided for locating piece 33, described backrest keeper 12 is provided with the sliding rail 121 slided for locating piece 33, along being provided with the location short slot 122 that can take in locating piece 33 on this sliding rail 121, this location short slot 122 is formed towards inner extension of backrest keeper 12 by sliding rail 121;
These locating piece 33 1 ends are placed on limit track 321, and the other end is placed on sliding rail 121, and during a certain position when locating piece 22 1 ends in limit track 321, the other end of this locating piece 33 slips in the short slot 122 of location; Be provided with a draw-in groove 322 on described limit component 32, be covered with a revolving part 23 on described snap close piece 22, this revolving part 23 can be around these snap close piece 22 rotations, and this revolving part 23 is provided with a convex body 24 be complementary with limit component 32, this convex body 24 is plugged in limit component 32, be provided with a fixture block 241 on this convex body 24, this fixture block 241 is sticked in the draw-in groove 322 of limit component 32, this limit component 32 rotates to control locating piece 33 with this revolving part 23 and moves and skid off in the short slot 122 of location along limit track 321, and these revolving part 23 outer surfaces are provided with circle teeth 25.
Be provided with the first spring mounting hole 123 on this backrest keeper 12, be provided with the second spring mounting hole 211 on described back of the body connection adapter piece 21, the plug-in mounting bar is extended at described spring element 31 two ends one respectively, these spring element 31 1 ends are plugged in the first spring mounting hole 123, and the other end is plugged in the second spring mounting hole 211.
This backrest keeper 12 includes a main body 124, these main body 124 periphery one are extended the Access Division 125 be interlocked with back of the body connection adapter piece 21, these main body 124 central part one are extended a central shaft, this central shaft is a nut seat 126, between this nut seat 126 and Access Division 125, be the first spring storage tank 127, described spring element 31 is placed on nut seat 126, described back of the body connection adapter piece 21 central parts are provided with a centre bore 212, fasten backrest keeper 12 direction one by this centre bore 212 towards back of the body connection adapter piece 21 and extend central axle sleeve 216, this central axle sleeve 216 matches with aforementioned central shaft, and this central axle sleeve 216 is set on central shaft, these back of the body connection adapter piece 21 1 sides are provided with the holding section 213 suitable with Access Division 125, be provided with the second spring storage tank 214 between this holding section 213 and central axle sleeve 216, described spring element 31 is placed in the first spring storage tank 127 and the second spring storage tank 214, this back of the body connection adapter piece 21 is provided with limit component storage tank 215 with respect to the opposite side of the second spring storage tank 214, described limit component 32 is placed in this limit component storage tank 215, this back of the body connection adapter piece 21 passes through screw 40 snap closes on backrest keeper 12, this screw 40 passes centre bore 212 and is screwed on nut seat 126.
This snap close piece 22 is provided with a body 221, has these body 221 one to extend three snap fits 222, and this back of the body connection adapter piece 21 also is provided with the snap fit hole 217 of passing for snap fit 222 and the locating hole 218 passed for locating piece 33.
This locating piece 33 is positioned at limit component 32 ends one limit spring 331 is installed, and these limit spring 331 1 ends are placed on locating piece 33, and the other end is resisted against snap close piece 22.Elastic deformation occurs with the change in location of locating piece 12 in this limit spring 331.
The height of the end to end of this limit track 321 is more than or equal to the length that locating piece 33 stretches into location short slot 122.Be covered with a block 14 on the side of described backrest keeper 12.
Design focal point of the present utility model is: the adjustable structure of the control chair back-rest inclination that the utility model is designed not only novel succinct, easy to install and use, cost is low, attractive in appearance, generous, and simpler on function, practical.Optimal design by back-rest, back of the body connecting portion and adjustable mechanism, this adjustable structure is time saving and energy saving in adjustment process, only need rotate gently this revolving part just can regulate the position of locating piece, thereby effectively regulates the relative position of back-rest and back of the body connecting portion, and then the elevation angle of adjusting back.
The above, it is only preferred embodiment of the present utility model, not technical scope of the present utility model is imposed any restrictions, therefore every foundation technical spirit of the present utility model, to any trickle modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solutions of the utility model.
Claims (6)
1. an adjustable structure of controlling chair back-rest inclination, include back-rest and be connected to the back-rest both sides two the back of the body connecting portions, it is characterized in that: between described back of the body connecting portion and back-rest, be provided with adjustable mechanism, described back-rest includes back rest, backrest keeper and metal insert, described backrest keeper is extended by the back rest one, and described metal insert is embedded in the backrest keeper;
Described back of the body connecting portion is provided with back of the body connection adapter piece and snap close piece;
Described adjustable mechanism includes spring element, limit component and locating piece; This spring element one end is installed on the backrest keeper, the other end is installed on back of the body connection adapter piece, described back of the body connection adapter piece is fastened on the backrest keeper, and described spring element, between backrest keeper and back of the body connection adapter piece and with this backrest keeper and the relative motion of back of the body connection adapter piece, elastic deformation occurs; Described limit component rotatably is installed between back of the body connection adapter piece and snap close piece by snap close piece;
Described limit component is provided with the limit track slided for locating piece, described backrest keeper is provided with the sliding rail slided for locating piece, along being provided with the location short slot that can take in locating piece on this sliding rail, this location short slot is formed towards inner extension of backrest keeper by sliding rail;
Described locating piece one end is placed on limit track, and the other end is placed on sliding rail, and during a certain position when locating piece one end in limit track, the other end of this locating piece slips in the short slot of location; Be provided with a draw-in groove on described limit component, be covered with a revolving part on described snap close piece, this revolving part can be around this snap close piece rotation, and this revolving part is provided with a convex body be complementary with limit component, this convex body is plugged in limit component, be provided with a fixture block on this convex body, this fixture block is sticked in the draw-in groove of limit component, and this limit component rotates to control locating piece with this revolving part and moves and skid off in the short slot of location along sliding rail.
2. a kind of adjustable structure of controlling chair back-rest inclination according to claim 1, it is characterized in that: on described backrest keeper, be provided with the first spring mounting hole, be provided with the second spring mounting hole on described back of the body connection adapter piece, the plug-in mounting bar is extended at described spring element two ends one respectively, described spring element one end is plugged in the first spring mounting hole, and the other end is plugged in the second spring mounting hole.
3. a kind of adjustable structure of controlling chair back-rest inclination according to claim 1, it is characterized in that: described backrest keeper includes a main body, this main body periphery one is extended the Access Division be interlocked with back of the body connection adapter piece, this section of main center one is extended a central shaft, this central shaft is a nut seat, between this nut seat and Access Division, be the first spring storage tank, described spring element is placed on nut seat; Described back of the body connection adapter piece central part is provided with a centre bore, fastens backrest keeper direction one by this centre bore towards back of the body connection adapter piece and extends central axle sleeve, and this central axle sleeve matches with aforementioned central shaft, and this central axle sleeve is set on central shaft; This back of the body connection adapter piece one side is provided with the holding section suitable with Access Division, be provided with the second spring storage tank between described holding section and central axle sleeve, described spring element is placed in the first spring storage tank and the second spring storage tank, this back of the body connection adapter piece is provided with the limit component storage tank with respect to the opposite side of the second spring storage tank, described limit component is placed in this limit component storage tank, this back of the body connection adapter piece is buckled on the backrest keeper by screwed lock, and this screw passes centre bore and is screwed on nut seat.
4. a kind of adjustable structure of controlling chair back-rest inclination according to claim 1, it is characterized in that: described locating piece is positioned at the limit component end one limit spring is installed, and this limit spring one end is placed on locating piece, and the other end is resisted against snap close piece; Elastic deformation occurs with the change in location of locating piece in this limit spring.
5. a kind of adjustable structure of controlling chair back-rest inclination according to claim 1, it is characterized in that: the height of the end to end of described limit track is more than or equal to the length that locating piece stretches into the location short slot.
6. a kind of adjustable structure of controlling chair back-rest inclination according to claim 1, is characterized in that: be covered with a block on the side of described backrest keeper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320355242 CN203354035U (en) | 2013-06-20 | 2013-06-20 | Adjustable structure for controlling tilting of chair back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320355242 CN203354035U (en) | 2013-06-20 | 2013-06-20 | Adjustable structure for controlling tilting of chair back |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203354035U true CN203354035U (en) | 2013-12-25 |
Family
ID=49801882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320355242 Expired - Lifetime CN203354035U (en) | 2013-06-20 | 2013-06-20 | Adjustable structure for controlling tilting of chair back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203354035U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108937266A (en) * | 2018-07-11 | 2018-12-07 | 曹美兰 | A kind of outdoor landscape chair connector |
-
2013
- 2013-06-20 CN CN 201320355242 patent/CN203354035U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108937266A (en) * | 2018-07-11 | 2018-12-07 | 曹美兰 | A kind of outdoor landscape chair connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |
|
| CX01 | Expiry of patent term |