CN207355747U

CN207355747U - Single tablet chair

Info

Publication number: CN207355747U
Application number: CN201720355529.4U
Authority: CN
Inventors: 朱建淦
Original assignee: Taizhou Dayang Teaching Equipment Co Ltd
Current assignee: Taizhou Dayang Teaching Equipment Co Ltd
Priority date: 2017-04-06
Filing date: 2017-04-06
Publication date: 2018-05-15
Anticipated expiration: 2027-04-06

Abstract

The utility model discloses a kind of single tablet chair, its key points of the technical solution are that, including the seat sat for people, bottom seat is provided with the chair leg being used to support, and seat rear portion is connected with backrest, and backrest includes the bend pipe of backboard, connection backboard and seat, it is recessed in the middle part of backboard toward rear, the hollow-out parts for being provided with kidney-shaped in the middle part of backboard and vertically extending, hollow-out parts are internally provided with the tie point of connection left and right sides inner wall, and backboard is made of plastics.Student is sitting on tablet chair, and when the leans back of back, with reference to bend pipe, backboard can do slight depression according to the past rear at student back, increase the laminating degree of backboard and human body back, improve comfort level when people are seated.

Description

Single tablet chair

Technical field

Chair is the utility model is related to, more particularly to a kind of single tablet chair.

Background technology

Inside the classroom of school, students are all learnt using desk, tablet chair, and tablet chair is sat down for students, desk Study is carried out at the same time for placing books.Existing notification number is that the Chinese patent of CN202919448U discloses a kind of lifting class Chair, includes chair leg, seat, backrest.

It can be obtained from the attached drawing of the patent, the backboard above backrest is that monoblock is fixed, and people are leaned against above backboard When touch is the hard back side, be bonded it is difficult to stablize with seated user back.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of single tablet chair.

The above-mentioned technical purpose of the utility model technical scheme is that：A kind of single tablet chair, bag The seat sat for people is included, bottom seat is provided with the chair leg being used to support, and seat rear portion is connected with backrest, and the backrest includes leaning on The bend pipe of backboard, connection backboard and seat, the backboard middle part are recessed toward rear, and kidney-shaped and edge are provided with the middle part of backboard The hollow-out parts of vertical direction extension, hollow-out parts are internally provided with the tie point of connection left and right sides inner wall, and the backboard is by moulding Material is made.

Through the above technical solutions, backboard made of plastics have it is certain can deformation behavior, be provided with the middle part of backboard Engraved structure and connected between each other by tie point, hollow-out parts provide the deformation space of backboard, and tie point, which provides, to be leaned on The screen resilience of backboard, so also just largely add that backboard is backward concave can deformation behavior.Student is sitting in tablet chair On, when the leans back of back, with reference to bend pipe, backboard can do slight depression according to the past rear at student back, increase The laminating degree of backboard and human body back, improves comfort level when people are seated

The utility model is further arranged to：The tie point rear portion is provided with for strengthening adding for tie point structural strength Strengthening tendons.

Through the above technical solutions, the structure of reinforcing rib can increase the bonding strength of tie point, and then company can be increased The service life of contact, allows tie point to stablize rebound for a long time.

The utility model is further arranged to：A plurality of the first horizontal-extending deformation groove is provided with the backboard, the It is parallel to each other between one deformation groove.

Through the above technical solutions, the first deformation groove can further increase backboard can property deformation, it is horizontal First deformation groove is combined with vertical extension hollow-out parts, is allowed backboard to meet human body curved features in deformation, is improved compactness.

The utility model is further arranged to：The seat is made of plastics, and chair leg, bend pipe are made by iron.

Through the above technical solutions, seat, backrest and the position of human contact all set plastics, plastics are relatively soft, people It is more comfortable when contact, and chair leg and bend pipe are subject to the structure of pressure, can be preferable using iron structure Holding structure is stablized.

The utility model is further arranged to：The seat is provided with a plurality of level toward sunken inside, and on the seat and prolongs The the second deformation groove stretched, is parallel to each other between the second deformation groove.

Through the above technical solutions, the second deformation groove can improve the deformation behavior of seat, allow people be sitting on seat when Wait, hip contact more abundant with seat, also more comfortable.

The utility model is further arranged to：The chair leg include be fixedly connected with seat fixed seat, for being placed on Support base on ground, support base top are inserted into fixed seat bottom, multiple blocked holes, fixed seat are distributed with vertically on support base On be provided with blocked hole clamping spring steel ball.

Through the above technical solutions, spring steel ball has the ability of rebound, people can press steel ball to inside fixed seat, Then it is adjusted in the height to fixed seat, steel ball jumps from blocked hole one by one, until seat reaches proper height, so Students can keep more comfortable height when in use.

The utility model is further arranged to：The support base is arranged with the footmuff contacted with ground, and the footmuff is by moulding Material is made.

Through the above technical solutions, footmuff cost is relatively low made of plastics, for a long time with after ground friction, in order to keep class The stability of table, you can replaced to footmuff, replacement cost is relatively low.

The utility model is further arranged to：The crossbeam easy to leg rest is provided between two support bases.

Through the above technical solutions, crossbeam can increase the leg rest point of student, students can when using tablet chair More comfortable, more composite human body engineering science.

The utility model is further arranged to：The both ends of crossbeam are fixed on support base by latch.

Through the above technical solutions, latch structure can allow crossbeam to become detachable, crossbeam is torn open unwanted when Remove, expand bottom space, load onto crossbeam when can be used for store things etc., and need and be easy to people's comfort for sitting posture.

In conclusion the utility model having the beneficial effect that in contrast to the prior art：1st, feasible denaturation is strong, can be with student Limbs are more bonded, composite human body engineering；2nd, modulability is strong, and student more can comfortably use desk.

Brief description of the drawings

Fig. 1 is the Facad structure figure of embodiment；

Fig. 2 is the back structure chart of embodiment；

Fig. 3 is the structure chart of spring steel ball in embodiment.

Reference numeral：1st, seat；11st, the second deformation groove；21st, backboard；22nd, hollow-out parts；23rd, tie point；24th, strengthen Muscle；25th, the first deformation groove；3rd, bend pipe；41st, fixed seat；42nd, support base；43rd, spring steel ball；44th, blocked hole；45th, footmuff；46、 Crossbeam；47th, latch.

Embodiment

The utility model is described in further detail below in conjunction with attached drawing.

As shown in Figure 1, a kind of single tablet chair, including backrest, seat 1, chair leg, seat 1 are used to supply people's landing, chair leg is set Put and be used to support in 1 bottom of seat, backrest is arranged on 1 rear of seat and is leaned on for people.

Backrest includes backboard 21 and bend pipe 3, and the quantity of bend pipe 3 is two, and bend pipe 3 has iron to be made, the connection of 3 one end of bend pipe On backboard 21, two bend pipes 3 are connected to 21 both sides of backboard.The other end of bend pipe 3 is connected on seat 1, bend pipe 3 In 95 ° ~ 105 ° bendings.

Backboard 21 is rectangle and slight depression, backboard 21 are formed by plastics integrated injection molding, leaned on backward in centre position The first horizontal-extending deformation groove 25 is distributed with backboard 21,25 quantity of the first deformation groove is multiple and is parallel to each other, the first shape Becoming groove 25, backboard 21 is run through in side backward from front side, allows backboard 21 can be from concave deformation space inside up and down.

As shown in Figures 1 and 2, the hollow-out parts 22 extended vertically are provided among backboard 21, hollow-out parts 22 are in kidney-shaped, are engraved Empty portion 22 is internally provided with the tie point 23 of connection left and right sides inner wall, and the quantity of tie point 23 is multiple, 23 rear of tie point The reinforcing rib 24 for strengthening 23 structural strength of tie point is provided with, it is concave inside from both sides that hollow-out parts 22 provide backboard 21 Space.

Seat 1 is made of plastics and middle afterbody is down recessed slightly so that seat 1 is bonded with hip as far as possible.On seat 1 A plurality of the second horizontal-extending deformation groove 11 is provided with, is parallel to each other between the second deformation groove 11.People be sitting on seat 1 when Wait, the deformation that seat 1 can be slight is to increase the laminating degree of human body and seat 1.

Fixed seat 41 that chair leg includes being fixedly connected with seat 1, for placing support base 42 on the ground, fixed seat 41 In T shape with support base 42,41 bottom of fixed seat is inserted into the top of support base 42, and fixed seat 41 can be opposite with support base 42 Move up and down, realize the lifting of seat 1.

As shown in Figure 2 and Figure 3, multiple blocked holes 44 are distributed with support base 42 vertically, is provided with and blocks in fixed seat 41 The spring steel ball 43 of the clamping of hole 44 is connect, 43 quantity of spring steel ball is two.Spring steel ball 43 is made of steel ball and spring, and spring drives Dynamic steel ball is caught in blocked hole 44, by clamping of the spring steel ball 43 to blocked hole 44, realizes fixed seat 41 and support base 42 It is fixed.Each fixed seat 41 is provided with two spring steel balls 43 above, improves clamping power between the two.

Each 42 bottom of support base is provided with two footmuffs 45, and footmuff 45 is separately positioned on the both sides of support base 42, footmuff 45 are made of plastics, and footmuff 45 is contacted with ground so that support base 42 is not contacted with ground, protects support base 42.

Crossbeam 46 is provided between support base 42 and support base 42, crossbeam 46 can be for people's leg rest, and crossbeam 46 is in linear type Structure.The both ends of crossbeam 46 are both provided with latch 47, and latch 47 runs through inside from 42 outer wall of support base and end is inserted into crossbeam 46 end faces, make crossbeam 46 keep fixing.

Students in time, can carry out tablet chair according to situations such as itself sitting posture, stature local using desk Adjusting.When needing to adjust 1 height of seat, can by the spring steel ball 43 of both sides all by entering, then lifted again or Fixed seat 41 is put down, 1 height of seat is changed.When leg rest point is needed, crossbeam 46 can be placed on support base Between 42, only need to extract latch 47 when then making crossbeam 46 keep fixed the insertion of latch 47, and dismantle.So When student uses single tablet chair in addition to back-resting is more comfortable, additionally it is possible to local adjusting is carried out to tablet chair, is made People keep more comfortable sitting posture, are more conform with the physical trait of individual.

The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention Enclose, the scope of protection of the utility model is determined by appended claim.

Claims

1. a kind of single tablet chair, including for the seat (1) that people sits, seat (1) bottom is provided with the chair leg being used to support, seat (1) rear portion is connected with backrest, it is characterized in that：It is curved with seat (1) that the backrest includes backboard (21), connection backboard (21) Manage (3), be recessed in the middle part of the backboard (21) toward rear, be provided with kidney-shaped in the middle part of backboard (21) and vertically extend Hollow-out parts (22), hollow-out parts (22) be internally provided with connection the left and right sides inner wall tie point (23), the backboard (21) by Plastics are made.

2. single tablet chair according to claim 1, it is characterized in that：Tie point (23) rear portion is provided with for strengthening connecting The reinforcing rib (24) of contact (23) structural strength.

3. single tablet chair according to claim 1, it is characterized in that：It is provided with the backboard (21) a plurality of horizontal-extending The first deformation groove (25), be parallel to each other between the first deformation groove (25).

4. single tablet chair according to claim 1, it is characterized in that：The seat (1) is made of plastics, chair leg, bend pipe (3) It is made by iron.

5. single tablet chair according to claim 4, it is characterized in that：The past sunken inside of the seat (1), and the seat (1) On be provided with a plurality of the second horizontal-extending deformation groove (11), be parallel to each other between the second deformation groove (11).

6. single tablet chair according to claim 1, it is characterized in that：The chair leg includes consolidating with what seat (1) was fixedly connected Reservation (41), the support base (42) for placement on the ground, support base (42) top are inserted into fixed seat (41) bottom, support Multiple blocked holes (44) are distributed with vertically on seat (42), the spring steel ball with blocked hole (44) clamping is provided with fixed seat (41) (43)。

7. single tablet chair according to claim 6, it is characterized in that：The support base (42) is arranged with the foot contacted with ground Cover (45), the footmuff (45) is made of plastics.

8. single tablet chair according to claim 6, it is characterized in that：It is provided between two support bases (42) easy to put The crossbeam (46) of foot.

9. single tablet chair according to claim 8, it is characterized in that：The both ends of crossbeam (46) are fixed on branch by latch (47) Support on seat (42).