CN209915473U - Comfortable adjustable ergonomic back of chair - Google Patents
Comfortable adjustable ergonomic back of chair Download PDFInfo
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- CN209915473U CN209915473U CN201920422986.XU CN201920422986U CN209915473U CN 209915473 U CN209915473 U CN 209915473U CN 201920422986 U CN201920422986 U CN 201920422986U CN 209915473 U CN209915473 U CN 209915473U
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Abstract
The utility model discloses a comfortable adjustable ergonomic back of chair, including back of the chair frame, locate the waist of lower part holds in the palm the structure in the back of the chair frame, the waist hold in the palm the structure include with back of the chair frame integrated into one piece's underframe, with underframe fixed connection's bottom, install in the underframe with moving part in the space that the bottom formed, with moving part fixed connection is located the support piece in the bottom outside, with support piece fixed connection and in human direct contact's supporting piece. The utility model discloses compact structure is exquisite, and height adjustment is convenient, and the effectual waist of bearing satisfies the comfortable requirement of taking of multiple size person of taking.
Description
Technical Field
The utility model relates to a thing to sit on field, in particular to comfortable adjustable ergonomic back of chair.
Background
Modern chairs are different in size and material and various in types, meet the requirements of various use scenes and individuation of people, and can always find a chair suitable for the people. Meanwhile, the technology of chairs is still continuously developed and improved. The back part of seat is whether comfortable important an aspect of relation seat person, and the back of the chair among the prior art often has the appearance of imitative human back shape, and some seats still are equipped with the waist and hold in the palm, but the waist among the prior art holds in the palm or simple structure, can't adjust, and the bearing effect is poor, or can adjust but the structure is complicated, adjusts inconveniently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a comfortable adjustable ergonomic back of chair can overcome prior art's weak point, has compact structure exquisiteness, and height adjustment is convenient, and the waist that the bearing is effectual satisfies the comfortable requirement of taking of multiple size person of taking.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a comfortable adjustable ergonomic back of chair, includes back of the chair frame, locates the waist of back of the chair frame lower part holds in the palm the structure, the waist hold in the palm the structure include with back of the chair frame integrated into one piece's underframe, with underframe fixed connection's bottom, install in the underframe with moving part in the space that the bottom formed, with moving part fixed connection is located the support piece in the bottom outside, with support piece fixed connection and in human direct contact's supporting piece.
The movable part is contained in the bottom frame and the bottom cover, the movable part is restrained to only move along the vertical translation, and the supporting part is fixedly connected with the movable part through the middle transition of the supporting part, so that the supporting part in direct contact with a human body moves in height under the driving of the movable part, and the height adjustment of the waist support is simply and quickly realized. Compact structure, simple and ingenious.
Preferably, the bottom frame is internally provided with an empty groove for the movable member to vertically translate, and a plurality of inserted rods which are positioned at the upper end and the lower end of the empty groove and are used for being connected with the bottom cover; the bottom cover is provided with a groove which is used for accommodating the movable piece and is matched with the empty groove, and a slot which corresponds to the inserted link.
The slot is provided with an accommodating section which is matched with the shape of the inserted rod and a threaded section which is used for connecting with the fastener. The holding section holds the slot, and fasteners such as screws penetrate through the back of the bottom frame, and the threaded section penetrating through the inserted bar is connected with the threaded section of the slot, so that the bottom frame is fixedly connected with the bottom cover. The empty groove is matched with the groove, a vertically extending rectangular space with the width matched with the moving part is formed, the moving part is accommodated, and the moving part is limited to move vertically.
Preferably, the movable part comprises a body and limiting parts positioned on the left side and the right side of the body, and clamping parts matched with the limiting parts are arranged on the left side and the right side of the groove; the limiting part comprises a fixed arm fixedly connected with the body and a cantilever fixedly connected with the fixed arm; the clamping part is provided with a plurality of limiting joints which are arranged along a vertical array and clamped with the joint of the fixed arm and the cantilever.
The arrangement of the stopper in the groove is as follows: the left side and the right side of the groove are arranged in a mirror image mode, and the upper side and the lower side of the groove are arranged in an array mode. When the moving part is installed between underframe and the bottom, the junction of fixed arm and cantilever just in time block to the spacing festival of highly uniform's recess both sides, keeps the moving part position end to make the moving part position stable through the joint, and the moving part can only be along the vertical translation of the spacing festival that the array was arranged, thereby make the support piece and the supporting piece position stable end that link firmly with the moving part, and can adjust the height from top to bottom.
Preferably, the fixed arm and the cantilever have elasticity; the included angle between the fixed arm and the cantilever is 100-120 degrees.
Therefore, the moving part can conveniently move in the groove on the premise of keeping a certain clamping force, and the action of height adjustment is smoother.
Preferably, the movable member has two recessed portions symmetrical with respect to a center plane in a thickness direction thereof, and a communication hole communicating the two recessed portions; the supporting piece comprises a mounting part which is matched with the shape of the sunken part, and a mounting hole which is arranged on the mounting part and corresponds to the position of the communication hole; and the joint surface of the bottom cover and the supporting piece is provided with a long groove which is used for connecting the concave part with the mounting part and creating the movable space of the supporting piece.
The mounting part of the supporting piece penetrates through the long groove and is abutted against the concave part; the fastener passes through the intercommunicating pore, links to each other with the mounting hole, with support piece and moving part fixed connection. The structure of the moving part uses the thickness direction central plane of the moving part as symmetry, so that the moving part is more convenient to connect, and the errors of the installation position are reduced.
Preferably, the supporting piece is provided with a bearing part close to the upper end of the bearing piece, and an abutting part close to the lower end of the bearing piece; the bearing part is provided with a bearing block used for being connected with the bearing piece; the supporting piece is provided with an embedded block connected with the supporting block, and a supporting cavity matched with the embedded block in shape is arranged in the supporting block.
The embedded block is inserted into the bearing cavity and is connected through fasteners such as screws and the like; the bearing part is a complete elastic arc plate and extends along the left and right directions of the seat, so that the bearing part is supported comprehensively and flexibly in the left and right directions, and the riding experience of people is improved
Preferably, after the supporting member and the supporting member are mounted, the distance between the abutting portion and the supporting member is greater than the distance between the receiving portion and the supporting member.
The abutting part is made of hard materials and extends along the left and right directions of the seat, the abutting part is adaptive to the width of the bottom of the supporting part, the supporting part is only connected with the bearing part positioned on the upper part of the supporting part, the lower part of the supporting part is suspended, the position and the shape of the supporting part are changed according to the waist shape of a passenger after the supporting part is pressed by taking the joint of the supporting part and the bearing part as a fulcrum, the abutting part gives the final limit and the barrier of the supporting part in deformation, and the structural rigidity and the integral supporting force of the waist support are ensured.
Preferably, the support member comprises two separate cushions having said inserts, and a resilient web connecting the two cushions.
The cushion has the radian, can produce corresponding deformation along with the face of exerting pressure after the pressurized, and the existence of elastic connection piece makes the bearing piece can whole atress to according to the human individual difference of exerting pressure in left and right directions, produce the deformation of corresponding degree by two cushions, make the bearing piece can have the ability of good bearing waist all the time, applicable crowd wide range.
Preferably, the chair back further comprises transfer pieces fixedly connected to two sides of the bottom of the chair back frame and used for being connected with the seat cushion.
Preferably, the middle rotating piece is rotatably connected with a handrail; the middle rotating piece is provided with a switching seat used for being connected with the handrail, the handrail is connected with the switching seat rotating shaft, and the handrail and the switching seat are provided with a clamping groove coaxial with the rotating shaft and a clamping pin matched with the clamping groove.
The armrest is thereby rotationally coupled and the rotational travel is limited.
To sum up, the utility model discloses following beneficial effect has:
a comfortable and adjustable ergonomic chair back has a waist support structure, a moving part is accommodated in the waist support structure through a bottom frame and a bottom cover, the moving part is constrained to move only along vertical translation, and a support part is fixedly connected with the moving part through the middle transition of a support part, so that the support part in direct contact with a human body moves in height under the driving of the moving part, and the height adjustment of the waist support is simply and quickly realized. Compact structure, simple and ingenious.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is an exploded view of the present invention with the handrail removed;
figure 3 is an exploded view of the present lumbar support structure after the novel removal of the bottom frame;
fig. 4 is a schematic view of the connection between the intermediate member and the armrest.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and preferred embodiments.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Example (b): as shown in fig. 1-4, a comfortable and adjustable ergonomic chair back includes a chair back frame 1, a waist support structure 10 disposed at the middle lower portion of the chair back frame, wherein the waist support structure includes a bottom frame 11 integrally formed with the chair back frame, a bottom cover 12 fixedly connected with the bottom frame, a movable member 13 installed in a space formed by the bottom frame and the bottom cover, a support member 14 fixedly connected with the movable member and located at the outer side of the bottom cover, and a support member 15 fixedly connected with the support member and directly contacting with a human body.
The bottom frame is internally provided with a hollow groove 111 for the moving part to vertically translate, and a plurality of inserted rods 112 which are positioned at the upper end and the lower end of the hollow groove and are used for being connected with the bottom cover; the bottom cover is provided with a groove 121 which is used for accommodating the movable piece and is matched with the empty groove, and a slot 122 which corresponds to the position of the inserted rod.
The movable piece comprises a body 131 and limiting parts 133 positioned on the left side and the right side of the body, and clamping parts 123 matched with the limiting parts are arranged on the left side and the right side of the groove; the limiting part comprises a fixed arm fixedly connected with the body and a cantilever fixedly connected with the fixed arm; the clamping part is provided with a plurality of limiting joints which are arranged along the vertical array and clamped with the joint of the fixed arm and the cantilever.
The fixed arm and the cantilever have elasticity; the included angle between the fixed arm and the cantilever is 100-120 degrees.
The movable member has two recessed portions 131 symmetrical along the center plane in the thickness direction thereof, and a communication hole 132 communicating the two recessed portions; the supporting piece comprises a mounting part 141 which is matched with the shape of the concave part, and a mounting hole 142 which is arranged on the mounting part and corresponds to the position of the communication hole; the abutting surface of the bottom cover and the supporting member is provided with an elongated slot 124 for connecting the recessed portion and the mounting portion and creating a space for movement of the supporting member.
The upper end of the supporting piece close to the supporting piece is provided with a bearing part 143, and the lower end of the supporting piece close to the supporting piece is provided with an abutting part 144; the bearing part is provided with a bearing block 145 which is used for connecting with the bearing piece; the supporting piece is provided with an embedded block 151 connected with the supporting block, and a supporting cavity matched with the shape of the embedded block is arranged in the supporting block.
After the bearing part and the supporting part are installed, the distance between the abutting part and the bearing part is larger than the distance between the bearing part and the bearing part.
The support member comprises two separate cushions 152 having inserts, and a flexible web 153 connecting the cushions.
The chair back also comprises a transfer member 2 which is fixedly connected with the two sides of the bottom of the chair back frame and is used for being connected with the cushion.
The transfer piece is rotatably connected with a handrail 3; the transfer piece is provided with a transfer seat 21 used for connecting the handrail, the handrail is connected with the transfer seat rotating shaft, and the handrail and the transfer seat are provided with a clamping groove coaxial with the rotating shaft and a clamping pin matched with the clamping groove.
Claims (10)
1. A comfortable adjustable ergonomic back of chair which characterized in that: including back of the chair frame (1), locate waist support structure (10) of back of the chair frame middle and lower part, waist support structure include with back of the chair frame integrated into one piece's underframe (11), with underframe fixed connection's bottom (12), install in the underframe with moving part (13) in the space that the bottom formed, with moving part fixed connection is located support piece (14) in the bottom outside, with support piece fixed connection and in human direct contact's supporting piece (15).
2. A comfortable and adjustable ergonomic chair back as claimed in claim 1, wherein: the bottom frame is internally provided with a hollow groove (111) for the moving piece to vertically translate, and a plurality of inserting rods (112) which are positioned at the upper end and the lower end of the hollow groove and are used for being connected with the bottom cover; the bottom cover is provided with a groove (121) which is used for accommodating the movable piece and is matched with the empty groove, and a slot (122) which corresponds to the inserted link.
3. A comfortable and adjustable ergonomic chair back as claimed in claim 2, wherein: the movable piece comprises a body (131) and limiting parts (132) positioned on the left side and the right side of the body, and clamping parts (123) matched with the limiting parts are arranged on the left side and the right side of the groove; the limiting part comprises a fixed arm fixedly connected with the body and a cantilever fixedly connected with the fixed arm; the clamping part is provided with a plurality of limiting joints which are arranged along a vertical array and clamped with the joint of the fixed arm and the cantilever.
4. A comfortable and adjustable ergonomic chair back as claimed in claim 3, wherein: the fixed arm and the cantilever have elasticity; the included angle between the fixed arm and the cantilever is 100-120 degrees.
5. A comfortable and adjustable ergonomic chair back as claimed in claim 1, wherein: the movable piece is provided with two sunken parts (133) which are symmetrical along the central plane of the thickness direction of the movable piece, and a communication hole (134) for communicating the two sunken parts; the support comprises a mounting part (141) which is adaptive to the shape of the depressed part, and a mounting hole (142) which is arranged on the mounting part and corresponds to the position of the communication hole; and the joint surface of the bottom cover and the supporting piece is provided with an elongated slot (124) which is used for connecting the concave part and the mounting part and creating the movable space of the supporting piece.
6. A comfortable and adjustable ergonomic chair back as claimed in claim 1, wherein: the upper end of the supporting piece close to the bearing piece is provided with a bearing part (143), and the lower end of the supporting piece close to the bearing piece is provided with an abutting part (144); the bearing part is provided with a bearing block (145) used for being connected with the bearing piece; the supporting piece is provided with an embedded block (151) connected with the supporting block, and a supporting cavity matched with the embedded block in shape is arranged in the supporting block.
7. A comfortable and adjustable ergonomic chair back as claimed in claim 6, wherein: after the bearing piece and the supporting piece are installed, the distance between the abutting part and the bearing piece is larger than the distance between the bearing part and the bearing piece.
8. A comfortable and adjustable ergonomic chair back as claimed in claim 6, wherein: the support comprises two independent cushions (152) with said inserts, and an elastic web (153) connecting the two cushions.
9. A comfortable and adjustable ergonomic chair back as claimed in claim 1, wherein: the chair back also comprises a transfer piece (2) which is fixedly connected with the two sides of the bottom of the chair back frame and is used for being connected with the cushion.
10. A comfortable and adjustable ergonomic chair back as claimed in claim 9, wherein: the transfer piece is rotatably connected with a handrail (3); the middle rotating piece is provided with a switching seat (21) used for being connected with the handrail, the handrail is connected with the switching seat rotating shaft, and the handrail and the switching seat are provided with a clamping groove coaxial with the rotating shaft and a clamping pin matched with the clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920422986.XU CN209915473U (en) | 2019-04-01 | 2019-04-01 | Comfortable adjustable ergonomic back of chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920422986.XU CN209915473U (en) | 2019-04-01 | 2019-04-01 | Comfortable adjustable ergonomic back of chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209915473U true CN209915473U (en) | 2020-01-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920422986.XU Active CN209915473U (en) | 2019-04-01 | 2019-04-01 | Comfortable adjustable ergonomic back of chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209915473U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI711410B (en) * | 2020-02-05 | 2020-12-01 | 宣禹實業股份有限公司 | Twist structure of chair back frame |
-
2019
- 2019-04-01 CN CN201920422986.XU patent/CN209915473U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI711410B (en) * | 2020-02-05 | 2020-12-01 | 宣禹實業股份有限公司 | Twist structure of chair back frame |
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