CN210329970U

CN210329970U - Multifunctional foldable back-to-back chair

Info

Publication number: CN210329970U
Application number: CN201920600204.7U
Authority: CN
Inventors: 江城; 孙牧; 王熙; 肖逸云
Original assignee: Hubei University of Technology
Current assignee: Hubei University of Technology
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-04-17
Anticipated expiration: 2029-04-29

Abstract

The utility model discloses a multi-functional folding back of body chair to the not high problem of current back of body chair flexibility ratio, now proposes following scheme, and it includes the seat support, the both sides welding at seat support top has the connecting block of vertical setting, the top of seat support is equipped with the slide bar of horizontal setting, the both ends of slide bar and the outer wall welding of connecting block, the top of seat support is equipped with the back of the chair of vertical setting, the rotation groove of horizontal setting is seted up to the inner wall of back of the chair bottom, the slide bar rotates and cup joints in the inside that rotates the groove, two the middle part threaded connection of connecting block has the screw rod of horizontal setting. The utility model discloses rational in infrastructure, the back of the chair of back rest chair that can convenient and fast carries out the regulation of certain angle, and the comfort level is high, and the part of back rest chair that can be simple convenient is dismantled, and the flexibility ratio is high, and the practicality is strong, is fit for promoting.

Description

Multifunctional foldable back-to-back chair

Technical Field

The utility model relates to a house field especially relates to a multi-functional folding back of body armchair.

Background

The backrest chair is generated in the south-north direction, is more commonly used in the later Tang dynasty, and the chair surface is generally square and is provided with a backrest and an arched head.

Although the existing backrest chair can be well used for people to have a rest, most of the existing backrest chairs are fixed at a certain position, particularly the backrest part, so that the backrest chair is difficult to adjust according to the use requirements of users, and the use is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a multi-functional folding back chair has solved the not high problem of back chair flexibility ratio.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a multifunctional foldable back-rest chair comprises a chair seat, wherein vertically arranged connecting blocks are welded on two sides of the top of the chair seat, a sliding rod is transversely arranged above the chair seat, two ends of the sliding rod are welded with the outer wall of the connecting block, a chair back which is vertically arranged is arranged above the chair seat, a rotating groove which is transversely arranged is arranged on the inner wall of the bottom of the chair back, the slide bar is rotatably sleeved in the rotating groove, the middle parts of the two connecting blocks are in threaded connection with a screw rod which is transversely arranged, a plurality of thread grooves arranged along the circumferential direction are arranged on two sides of the bottom of the chair back, one end of the screw rod is in threaded connection with the thread grooves, four corners of the bottom of the chair seat are all provided with mounting grooves, the interior of the mounting grooves is connected with a sliding plate which is transversely arranged in a sliding way, the bottom of seat support is equipped with the support column of four vertical settings, the support column activity cup joints the inside at the mounting groove.

Preferably, the inside of mounting groove is equipped with the reset spring of a plurality of vertical settings, reset spring's one end and the inner wall welding of mounting groove, reset spring's the other end and the outer wall welding of slide.

Preferably, a vertically arranged rubber pad is bonded to one side of the chair back.

Preferably, the bottom welding of support column has the supporting seat of horizontal setting, one side that the support column was kept away from to the supporting seat is equipped with anti-skidding line.

Preferably, the screw rod is kept away from the one end of thread groove and is extended the outside of connecting block and welded the handle of vertical setting, and the fixed cover of outer wall of this handle has connect the rubber sleeve.

Preferably, one end of the supporting column close to the seat is of a T-shaped structure.

The utility model discloses in:

through the cooperation work of seat support, the connecting block, the slide bar, the back of the chair, the rotation groove, the screw rod, the thread groove, the mounting groove, the slide, the support column, reset spring, rubber pad and supporting seat, can be according to user's demand on the one hand, convenient and fast carries out the regulation of certain angle to the back of the chair, the person of facilitating the use uses the back of the chair, improve the comfort level of back of the chair, on the other hand can be simply convenient the part to the back of the chair dismantles, the person of facilitating the use carries the back of the chair, the flexibility ratio is high.

To sum up, the utility model discloses rational in infrastructure, the back of the chair to the back chair that can convenient and fast carries out the regulation of certain angle, and the comfort level is high, and the part to the back chair that can be simple and convenient is dismantled, and the flexibility ratio is high, and the practicality is strong, is fit for promoting.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a partial sectional view of the present invention.

Reference numbers in the figures: the chair comprises a seat 1, a connecting block 2, a sliding rod 3, a chair back 4, a rotating groove 5, a screw rod 6, a thread groove 7, an installing groove 8, a sliding plate 9, a supporting column 10, a return spring 11, a rubber pad 12 and a supporting seat 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to the attached drawings, a multifunctional foldable back-rest chair comprises a chair seat 1, wherein vertically arranged connecting blocks 2 are welded on two sides of the top of the chair seat 1, a transversely arranged slide rod 3 is arranged above the chair seat 1, two ends of the slide rod 3 are welded with the outer walls of the connecting blocks 2, a vertically arranged chair back 4 is arranged above the chair seat 1, a transversely arranged rotating groove 5 is formed in the inner wall of the bottom of the chair back 4, the slide rod 3 is rotatably sleeved in the rotating groove 5, transversely arranged screw rods 6 are connected to the middle parts of the two connecting blocks 2 in a threaded manner, a plurality of circumferentially arranged thread grooves 7 are formed in two sides of the bottom of the chair back 4, one end of each screw rod 6 is connected with the thread grooves 7 in a threaded manner, mounting grooves 8 are formed in four corners of the bottom of the chair seat 1, a transversely arranged sliding plate 9 is slidably connected to the inside of the mounting grooves 8, four, the inside of mounting groove 8 is equipped with reset spring 11 of a plurality of vertical settings, reset spring 11's one end and the inner wall welding of mounting groove 8, reset spring 11's the other end and slide 9's outer wall welding, one side of the back of the chair 4 bonds the rubber pad 12 that has vertical setting, the bottom welding of support column 10 has the supporting seat 13 of horizontal setting, one side that support column 10 was kept away from to supporting seat 13 is equipped with anti-skidding line, screw rod 6 keeps away from the one end of thread groove 7 and extends the outside of connecting block 2 and weld the handle of vertical setting, the fixed cover of outer wall of this handle has been cup jointed the rubber sleeve, the one end that support column 10 is close.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The working principle is as follows: when a user needs to adjust the chair back of the chair, the screw rod 6 is driven to rotate by rotating the handle, the screw rod 6 is driven to be separated from the inside of the thread groove 7 by rotating the screw rod 6, the chair back 4 can be pushed at the moment, the chair back 4 is driven to rotate by a certain angle through the matching work of the slide rod 3 and the rotation groove 5, the angle of the chair back 4 can be adjusted by the user at the moment, after the adjustment of the user is finished, the screw rod 6 is driven to rotate by rotating the handle, the screw rod 6 is driven to enter the inside of the thread groove 7 by rotating the screw rod 6, the chair back 4 is fixed on the chair seat 1 at the moment, the user can comfortably use the chair back, when the user does not need to use the chair back, the handle can be rotated, the screw rod 6 is driven to rotate, the screw rod 6 is driven to be separated from the inside of the thread groove 7 by rotating the, through the cooperation work of slide bar 3 and rotation groove 5, place the back of the chair 4 at the top of seat support 1, rotate the handle this moment, drive screw rod 6 and get into the inside of thread groove 7, the back of the chair is together folded together with seat support 1 this moment, rotatable support column 10 this moment, when the top of support column 10 and the slotted hole of mounting groove 8 coincide, can take out support column 10, the back of the chair that the user can be convenient at this moment carries. The utility model discloses rational in infrastructure, the back of the chair of back rest chair that can convenient and fast carries out the regulation of certain angle, and the comfort level is high, and the part of back rest chair that can be simple convenient is dismantled, and the flexibility ratio is high, and the practicality is strong, is fit for promoting.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a multi-functional folding chair against back, includes seat support (1), its characterized in that, the both sides welding at seat support (1) top has connecting block (2) of vertical setting, the top of seat support (1) is equipped with horizontal slide bar (3) that sets up, the both ends of slide bar (3) and the outer wall welding of connecting block (2), the top of seat support (1) is equipped with the back of the chair (4) of vertical setting, the inner wall of back of the chair (4) bottom sets up rotation groove (5) of horizontal setting, slide bar (3) rotate to cup joint in the inside of rotation groove (5), two the middle part threaded connection of connecting block (2) has screw rod (6) of horizontal setting, a plurality of thread grooves (7) of setting along circumference are seted up to the both sides of back of the chair (4) bottom, the one end and the thread groove (7) threaded connection of screw rod (6), mounting groove (8) have all been seted up in, the inside sliding connection of mounting groove (8) has horizontal slide (9) that sets up, the bottom of seat support (1) is equipped with four support columns (10) of vertical setting, support column (10) activity is cup jointed in the inside of mounting groove (8).

2. A multifunctional foldable back-rest chair according to claim 1, characterized in that a plurality of vertically arranged return springs (11) are arranged inside the mounting groove (8), one end of each return spring (11) is welded with the inner wall of the mounting groove (8), and the other end of each return spring (11) is welded with the outer wall of the sliding plate (9).

3. A multifunctional foldable back-rest chair according to claim 1, characterized in that a vertically arranged rubber pad (12) is adhered to one side of the chair back (4).

4. A multifunctional foldable back-rest chair as claimed in claim 1, wherein the bottom of the supporting column (10) is welded with a transversely arranged supporting seat (13), and the side of the supporting seat (13) far away from the supporting column (10) is provided with anti-skid veins.

5. The multifunctional foldable back-rest chair as claimed in claim 1, wherein one end of the screw rod (6) far away from the thread groove (7) extends out of the connecting block (2) and is welded with a vertically arranged handle, and the outer wall of the handle is fixedly sleeved with a rubber sleeve.

6. A multifunctional foldable back chair according to claim 1, characterized in that the end of the supporting column (10) near the seat (1) is of T-shaped configuration.