CN201995969U

CN201995969U - Chair back regulating structure of student chair

Info

Publication number: CN201995969U
Application number: CN2010206592876U
Authority: CN
Inventors: 吴建谊
Original assignee: WROUGHT ENTERPRISE CO Ltd
Current assignee: WROUGHT ENTERPRISE CO Ltd
Priority date: 2010-12-14
Filing date: 2010-12-14
Publication date: 2011-10-05
Anticipated expiration: 2020-12-14

Abstract

The utility model provides a chair back regulating structure of a student chair, which is formed by matching the combination of a regulating group and a chair back behind a chair seat, wherein a connecting seat below the chair seat is provided with a male regulating seat; a plurality of limiting slots are formed horizontally on the outer side of the male regulating seat; the regulation group consists of a control handle, a combining seat and an elastic element; the control handle is in an L shape and a control stem extends from the outer side of the control handle; an extended limiting rod is arranged on the inner side of a middle section of the control handle; the outer end of the control handle is also provided with an extended restraining rod with an angle smaller than that of the limiting rod; an embedding groove is formed transversely on the combining seat; a slot is in the middle section, fixed pins are extended out from the two sides of the elastic element respectively; a female regulating seat is horizontally arranged below the chair back; a track groove is formed in the female regulating seat; and a combining part and a slot are arranged on one side of the female regulating seat. When the structure is used, the distance between a backrest cushion of the chair back and the chair cushion of the chair seat can be regulated, the using performance is high, and the use is safe and comfort.

Description

The chair back of student's seat is adjusted structure

Technical field

The utility model is that relevant a kind of child of providing or student are seated, and the student's seat to cooperate desk to use refers to that especially its chair back is to adjust front and back position, utilizes with child or the student who cooperates different figures.

Background technology

Its child or student are in reading, when writing or drawing, the capital utilizes cooperating of desk and chair, child or student can be read with correct posture, write and draw a picture, but, general chair height, the chair back degree of depth is all fixed, and child's stature is unfixing, when using for child with general chair, it is too big and dark that the size of its chair seems, be not suitable for child's utilization, though and there have the chair of the stature design that cooperates child, this chair to be that the degree of depth with the height of chair and the chair back all is provided with to be more shallow, so that child to be provided more comfortable with safe utilization, but this kind cooperates child's chair, cooperation child that also can't be comprehensive uses, because child's stature can be grown tall gradually by little, what this chair that is fit to originally also can become more and more is not suitable for.

So utilization that is not suitable for child of its chair, mainly be when being sitting on the chair because of child, the back should be to lean against on the chair back, straight and upright with body support, but child's thigh is shorter, if back empress dowager's face then can't recline for the back with the chair back can allow posture be out of shape gradually, and if too the front can completely be sitting on the chair cushion, that sits is more uncomfortable, therefore how to design one and can make things convenient for the chair back of adjusting at any time, with the structure that cooperates child's stature to adjust, the creator is the idea of thinking and creating, satisfy with for many years experience and designed, through inquiring into and study sampling test in many ways, reach and repeatedly revise improvement, be to release the utility model.

In view of this, the creator this in manufacturing development and the design experiences of being engaged in Related product for many years, at above-mentioned target, in detail after design and the scrupulous assessment, eventually the utility model of a true tool practicality.

The utility model content

The technical problem point that desire solves:

Press, known chair provides little child of stature or student to use and is not suitable for, usually the back can't abut on the chair back, can allow posture be out of shape gradually, or can't completely be sitting on the chair cushion, seat more uncomfortable, and child's height is to change day by day, be inconvenient to prepare the chair of many different sizes, this is the technical problem point that desire solves.

The technical characterstic of dealing with problems:

The utility model provides a kind of chair back of student's seat and adjusts structure, it is to be cooperated by a seat support rear to form in conjunction with a chair back with an adjustment group, wherein, the seat support top is provided with chair cushion, the Connection Block at place, chair cushion below is to be provided with the public seat of adjusting, and public affairs are adjusted the outer side edges of seat and be sequentially provided with some stopper slots along parallel direction, extend under the public affairs adjustment seat of seat support in addition and be provided with height adjustable chair pin, the adjustment group is by a control handle, one connecting support and a flexible member are formed, it is a L shaped shape for a control handle, the outside is extended control handle, the middle section is provided with an extended gag lever post toward in, the outer end of other control handle, also being provided with one extends and less than the limit rod of gag lever post angle, the horizontal place of connecting support is provided with the coating groove, and be provided with a saturating dead slot in the middle section, connecting support and be to utilize on lock knot or other means and the chair back a female joint portion of adjusting to fix, extend respectively on the flexible member both sides a fixing feet, vertically extended back cushion on the chair back, bent horizontal place, below is provided with female seat of adjusting, female seat inside of adjusting is provided with rail groove, the place is provided with a joint portion on one side, and this joint portion also is provided with a hollow slots thoroughly and leads to rail groove; By said structure, flexible member is arranged in control handle, and fixing feet on one side is buckled in gag lever post, connecting support is to coat groove for the control handle setting, another fixing feet of flexible member is buckled in dead slot, the mother that the adjustment group is located at the chair back with connecting support adjusts the joint portion of seat, the gag lever post of control handle is pushed away toward hollow slots by flexible member, the female rail groove of adjusting seat of chair back utilization is sheathed on the public affairs of seat support and adjusts seat, be fastened in the one stopper slot of seat support by the gag lever post of saturating dead slot, by said structure, can form the chair back of student's seat and adjust structure.

The effect of contrast prior art:

The utility model is to provide the chair back of student's seat to adjust structure, the chair back of combination behind the seat support, distance between its chair cushion front end and back cushion, be to adjust, and can fix really after adjusting, this is to pull on the control handle with the adjustment group and rotate, make gag lever post be broken away from stopper slot by the hollow slots place by turn, make the mother of the public affairs adjustment seat of seat support and the chair back adjust losing between seat spacing, go up front and back displacement adjustment to allow female adjustment seat adjust seat in public affairs, when hollow slots moves on to other stopper slot, unclamp control handle again, control handle promptly can be reversed back by flexible member and retighten, make gag lever post be fastened in other stopper slot of seat support once again, adjust with the distance of seat support chair cushion to obtain chair back back cushion, usability is better, applicable to child's safety of different heights and comfortable seat.

Description of drawings

Understand and understanding for the auditor can be had further the purpose of this utility model, feature and effect, below please conjunction with figs. enumerate embodiment, detailed description as after, wherein:

Fig. 1 is a three-dimensional combination figure of the present utility model.

Fig. 2 is a three-dimensional exploded view of the present utility model.

Fig. 3 is the sectional perspective enlargement decomposition of the utility model Fig. 2.

Fig. 4 is the partial enlarged drawing of the utility model Figure 1A.

Fig. 5 is the front view that the utility model structure fixes.

Fig. 6 is the side view that the utility model structure is fastened in the place ahead.

Fig. 7 is that the utility model arrangement uncouples fixes the front view of preparing to adjust displacement.

Fig. 8 is the side view that the utility model structure is fastened in the rear.

Fig. 9 is the stereogram of another preferred embodiment of the utility model.

The specific embodiment

At first, earlier please by Fig. 1,2, see it shown in 3, it is to be cooperated by a seat support 10 rears to form in conjunction with a chair back 30 with an adjustment group 20, wherein, seat support 10 tops are provided with chair cushion 11, and seat support 10 belows are to be provided with a connecting seat 12 and a public seat 121 of adjusting sets firmly binding, these Connection Block 12 bottom sides are to be a pedestal parallel with chair cushion 11, make these public affairs adjust seat 121 and form parallel state with chair cushion 11, the outer side edges of this public affairs adjustment seat 121 also is sequentially provided with some stopper slots 13 along parallel direction, 121 times extensions of the public affairs adjustment seat of seat support 10 are provided with height adjustable chair pin 14 in addition, adjustment group 20 is by a control handle 21, one connecting support 22 and a flexible member 23 are formed, it is a L shaped shape for a control handle 21, the outside is extended control handle 211, the middle section is provided with an extended gag lever post 212 toward in, the outer end of other control handle 21, also being provided with one extends and less than the limit rod 213 of gag lever post 212 angles, the horizontal place of connecting support 22 is provided with and coats groove 221, and be provided with a saturating dead slot 222 in the middle section, connecting support 22 and be to utilize on lock knot or other means and the chair back 30 female joint portion 34 of adjusting seat 32 to fix, extend respectively on flexible member 23 both sides a fixing feet 231, vertically extended back cushion 31 on the chair back 30, bent horizontal place, below is provided with female seat 32 of adjusting, female seat 32 inside of adjusting are provided with rail groove 33, the place is provided with a joint portion 34 on one side, this joint portion 34 also is provided with a hollow slots 35 thoroughly and leads to rail groove 33, also is provided with on the rail groove 33 in addition to cooperate adhesive tape 36.

The combination of its structure, please cooperate Fig. 4 with Fig. 1,5 sights, flexible member 23 is to be arranged on the control handle 21, fixing feet 231 on one side also is buckled in gag lever post 212, connecting support 22 is to be provided with for control handle 21 to coat groove 221, make 212 of flexible member 23 and gag lever posts at saturating dead slot 222 places, at this moment the fixing feet 231 of flexible member 23 another sides is to be buckled in dead slot 222, the mother that whole adjustment group 20 utilizes connecting support 22 to be located at the chair back 30 again adjusts the joint portion 34 of seat 32, gag lever post 212 with seasonal control handle 21 is pushed away in hollow slots 35 by flexible member 23, the chair back 30 is that the public affairs of utilizing female rail groove 33 of adjusting seat 32 to be sheathed on seat support 10 are adjusted seat 121, make female seat 32 of adjusting to adjust slippage on the seat 121 in public affairs, and by the position in saturating dead slot 222 gag lever post 212 and be to be fastened in once again in the one stopper slot 13 of seat support 10, make the public seat 121 of adjusting be fixed with this, and adjustment group 20 cooperate the setting of seat support 10 with female seat 32 of adjusting.

The use of its structure, the chair back 30 is to adjust front-back direction, follow the distance of the back cushion 31 of the chair back 30 with the chair cushion 11 that changes seat support 10, to provide chair cushion 11 to have the different degree of depth to use, earlier by Fig. 5,6 sights, this is to use in the less child of less stature of age, the chair back 30 is to utilize female rail groove 33 of adjusting seat 32 to move forward in the public affairs adjustment seat 121 of seat support 10, allowing the gag lever post 212 of control handle 21 of adjustment group 20 be buckled in female hollow slots 35 of adjusting seat 32 adjusts in the stopper slot 13 in seat 121 forefronts with public, make the back cushion 31 of the chair back 30 follow chair cushion 11 front ends of seat support 10 thus apart from minimum, to allow child be sitting in preceding half section of chair cushion 11, shank can just hang down in chair cushion 11 front ends, and the back is can just lie to lean against on the chair back 30 that moves forward, provide the less child of body type to utilize with this, grow tall gradually and work as the child's stature that uses, or when providing another tallish child to use, be to adjust the back cushion 31 that increases the chair back 30 chair cushion 11 front end distances with seat support 10;

Should be continuous by Fig. 7,8 sights, it is to pull on the control handle 211 of adjustment group 20 with control handle 21, make control handle 21 rotate, and make gag lever post 212 by turn, to break away from stopper slot 13 by hollow slots 35 places, so that public adjustment seat 121 and female 32 of seats of adjusting lose spacing, control handle 21 has also reversed the flexible member 23 that is worn simultaneously, at this moment can promote the chair back 30 backward (as in the stage casing or the rear also can be forward), so that hollow slots 35 is when aligning the stopper slot 13 of other position, decontrol the control handle 211 of control handle 21 again, control handle 21 promptly can be reversed back by flexible member 23, gag lever post 212 is fastened in another stopper slot 13 of seat support 10 by hollow slots 35 once again, adjust back cushion 31 of increasing the chair back 30 chair cushion 11 front end distances with seat support 10 with this, allowing longer child's seat pad 11 more parts of age, and shank can just hang down in chair cushion 11 front ends equally, and the back also be can just lie lean against backward move after, on the chair back 30 that is fixed again.

The setting of adhesive tape 36 is to increase public seat 121 and the female conformability of adjusting 32 of seats adjusted, and can prevent intermetallic abrasion and noise simultaneously.

The Connection Block 12 of these seat support 10 belows is to be skewed pedestal (as shown in Figure 9) for one again, its bottom side be with chair cushion 11 be a nonparallel state, after this public affairs adjustment seat 121 sets firmly binding with Connection Block 12, also present to tilt non-parallel shape with chair cushion 11.

Structure by above-mentioned specific embodiment, can obtain following benefit: the chair back 30 of seat support 10 back combinations, the distance that its chair cushion 11 front ends and back cushion are 31, be to adjust, and can fix really after adjusting, this is to pull on the control handle 21 with adjustment group 20 and rotate, make gag lever post 212 be broken away from stopper slot 13 by hollow slots 35 places by turn, making the mother of the public affairs adjustment seat 121 of seat support 10 and the chair back 30 adjust 32 of seats loses spacing, can adjust front and back displacement adjustment on the seat 121 in public affairs to allow mother adjust seat 32, when hollow slots 35 moves on to other stopper slot 13, unclamp control handle 21 again, control handle 21 promptly can be reversed back by flexible member 23 and retighten, make gag lever post 212 be fastened in other stopper slot 13 of seat support 10 once again, adjust with the distance of seat support 10 chair cushions 11 to obtain the chair back 30 back cushions 31, usability is better, applicable to child's safety of different heights and comfortable seat.

In sum, the utility model has reached breakthrough structural design really, and has the author content of improvement, can reach simultaneously usability and progressive on the industry again, and the utility model does not see any publication, also have a novelty, when the regulation that meets the relevant law of Patent Law, so propose novel patent application in accordance with the law.

Only above-described, only be a preferred embodiment of the present utility model, when can not with the scope implemented of qualification the utility model; Be that every equalization of being done according to the utility model claim changes and modifies, all should still belong in the scope that the utility model claim contains.

Claims

1. the chair back of student's seat is adjusted structure, it is to be cooperated by a seat support rear to form in conjunction with a chair back with an adjustment group, wherein, the seat support top is provided with chair cushion, the Connection Block at place is provided with public adjustment seat below the chair cushion, and public affairs are adjusted the outer side edges of seat and be sequentially provided with some stopper slots along parallel direction, and the public affairs adjustment seat of other seat support extension down is provided with the chair pin, vertically extended back cushion on the chair back, it is characterized in that:

The adjustment group is by a control handle, one connecting support and a flexible member are formed, it is a L shaped shape for a control handle, the outside is extended control handle, the middle section is provided with an extended gag lever post toward in, the horizontal place of connecting support is provided with the coating groove, and be provided with a saturating dead slot in the middle section, connecting support be with the chair back on female joint portion group of adjusting seat establish fixing, extend respectively on the flexible member both sides a fixing feet, vertically extended back cushion on the chair back, bent horizontal place in below is provided with female seat of adjusting, and female seat inside of adjusting is provided with rail groove, the place is provided with a joint portion on one side, and this joint portion also is provided with a hollow slots thoroughly and leads to rail groove;

By said structure, flexible member is arranged in control handle, and fixing feet on one side is buckled in gag lever post, connecting support is to coat groove for the control handle setting, another fixing feet of flexible member is buckled in dead slot, and the mother that the adjustment group is located at the chair back with connecting support adjusts the joint portion of seat, and the gag lever post of control handle is pushed away toward hollow slots by flexible member, the female rail groove of adjusting seat of chair back utilization is sheathed on the public affairs of seat support and adjusts seat, is fastened in the one stopper slot of seat support by the gag lever post of saturating dead slot.

2. the chair back of student's seat according to claim 1 is adjusted structure, it is characterized in that, wherein, the chair pin adjustable height of seat support.

3. the chair back of student's seat according to claim 1 is adjusted structure, it is characterized in that wherein, the control handle outer end of adjustment group is provided with an extended limit rod.

4. the chair back of student's seat according to claim 1 is adjusted structure, it is characterized in that wherein, rail groove is provided with the cooperation adhesive tape.

5. the chair back of student's seat according to claim 1 is adjusted structure, it is characterized in that wherein, the Connection Block bottom side is a pedestal parallel with chair cushion, makes this public affairs adjustment seat and Connection Block set firmly the back and forms parallel state with chair cushion.

6. the chair back of student's seat according to claim 1 is adjusted structure, it is characterized in that, wherein, Connection Block is one to be skewed pedestal, its bottom side and chair cushion are a nonparallel state, after this public affairs adjustment seat and Connection Block set firmly binding, present to tilt non-parallel shape with chair cushion.