CN112568639A - Double-back and waist height-adjusting structure - Google Patents
Double-back and waist height-adjusting structure Download PDFInfo
- Publication number
- CN112568639A CN112568639A CN202010718455.2A CN202010718455A CN112568639A CN 112568639 A CN112568639 A CN 112568639A CN 202010718455 A CN202010718455 A CN 202010718455A CN 112568639 A CN112568639 A CN 112568639A
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- China
- Prior art keywords
- waist
- heighten
- bustle
- spring
- fixed block
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
- A47C7/462—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by mechanical means
Abstract
The invention relates to the technical field of seat accessories, in particular to a double-back and waist height-adjusting structure which comprises a device main body and a rotating mechanism, wherein the device main body comprises a seat back, a bolt, a limiting spring, a waist pad height-adjusting positioning block, a height-adjusting fixing block, a waist pad height-adjusting control block and a waist height-adjusting fixing block screw, the bolt is arranged in the seat back, the bolt penetrates through the limiting spring, the limiting spring is arranged in the waist pad height-adjusting positioning block and is embedded into the waist pad height-adjusting positioning block, the waist pad height-adjusting positioning block is connected with the waist pad height-adjusting control block in a clamping mode, the waist pad height-adjusting positioning block and the waist pad height-adjusting control block are embedded into the height-adjusting fixing block, and the height-adjusting fixing block is connected to the. The invention provides a waist support structure which has simple structure and automatically adjustable waist angle, and can stretch the waist back and forth according to the office state of a human body, thereby improving the convenience and the practicability of the device.
Description
Technical Field
The invention relates to the technical field of seat accessories, in particular to a double-back and waist height-adjusting structure.
Background
With the continuous development of the office chair production industry, chair accessories are also continuously developed, the existing chair is provided with different structures according to different use scenes, when people need to keep sitting at the office for a long time, one part of the chair is provided with a backrest to help people to sit comfortably, so that the existing chair basically meets the use requirements of people, and the following problems still exist.
The waist of traditional device is supporting unable automatic angle regulation at the in-process that uses, the back of the seat to also can't be according to people's operating condition front and back tensile, reduced people's use and experienced, reduced the practicality of device, therefore urgent need a two back waist structure of increaseing solves above-mentioned problem.
Disclosure of Invention
The invention aims to provide a double-back and waist height-adjusting structure to solve the problems that the traditional device provided in the background art cannot automatically adjust the angle and cannot stretch back and forth along with a sitting posture in the using process.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a structure is increaseed to two backs of bodies waist, includes device main part, rotary mechanism, its characterized in that: the device main part includes the back of the chair, bolt, spacing spring, bustle heighten the locating piece, heighten the fixed block, bustle heightens the control block and waist heightens the fixed block screw, the inside of the back of the chair is provided with the bolt, and the bolt runs through spacing spring, spacing spring setting heightens inside the locating piece at bustle, and spacing spring embedding bustle heightens the locating piece, bustle heightens the locating piece and is connected with bustle heightening control block, bustle heightens the locating piece and bustle heightens the control block embedding and heightens the fixed block, heighten the fixed block and heighten fixed block screw thread connection on the back of the chair through the waist.
One side of the back of the chair is provided with rotary mechanism, rotary mechanism includes waist screw rod fixed screw, the rotatory fixed block of waist, waist spring briquetting, waist elasticity adjusting screw, supports waist pad and elasticity adjusting screw, the bottom embedding waist screw rod fixed screw's of waist pad heightening control block inside, and one side of waist screw rod fixed screw is provided with the rotatory fixed block of waist, the inside recess one end of the rotatory fixed block of waist is fixed with the waist spring, and the top embedding of the inside waist spring of the rotatory fixed block of waist has waist spring briquetting, and the inside of the waist spring of telling runs through there is waist elasticity adjusting screw, and waist elasticity adjusting screw will waist rotatory fixed block, waist spring and support waist pad all through connection, the waist spring is laminated with elasticity adjusting screw.
Compared with the prior art, the invention has the beneficial effects that:
1. this two back of body waist structure of increaseing is provided with waist screw rod set screw and supports the bustle, and in the in-process of using, the rotation angle that supports the bustle is spacing to be controlled through two steps of the square column bottom that stretch out in the middle of supporting the bustle and the inside recess of waist rotation fixed block, supports the rotatory elasticity of bustle and combines the control through the thread on elasticity adjusting screw and the waist spring briquetting. After the elasticity adjusting screw is locked, the waist spring pressing block can move forwards to press the waist spring, accordingly, the rotating force of the supporting waist pad is increased, otherwise, the rotating force is reduced, and the convenience and the practicability of the device are improved through the design.
2. This two back of body waist structure of increaseing is provided with the back of the chair and supports the bustle, increases the tooth on control block and the rotatory fixed block of waist through the bustle and realizes supporting the tensile location in bustle front and back, through such design, supports the bustle and can realize the circulation and go up and down, has improved the convenience and the practicality of device.
Drawings
FIG. 1 is a schematic structural blasting diagram of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a structural blasting schematic diagram of a bolt, a limiting spring, a waist pad height adjusting positioning block, a height adjusting fixing block, a waist pad height adjusting control block and a waist rotation fixing block of the invention;
FIG. 4 is a schematic view of a rotary mechanism of the present invention;
FIG. 5 is a top cross-sectional view of a portion of the brake lever and the cartridge of the present invention.
In the figure: 100. a device main body; 110. a chair back; 111. a bolt; 112. a limiting spring; 113. a waist pad height adjusting positioning block; 114. heightening the fixed block; 115. a waist pad height adjusting control block; 116. a waist height adjusting fixed block screw; 200. a rotation mechanism; 210. a waist screw fixing screw; 211. a waist rotation fixing block; 212. a waist spring; 213. a waist spring pressing block; 214. a waist elastic force adjusting screw; 215. a support waist pad; 216. elasticity adjusting screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention is shown:
the utility model provides a two back waist structure of increaseing, including device main part 100, rotary mechanism 200, device main part 100 includes back of the chair 110, bolt 111, spacing spring 112, waist pad height adjusting locating piece 113, heighten fixed block 114, waist pad height adjusting control block 115 and waist height adjusting fixed block screw 116, the inside of back of the chair 110 is provided with bolt 111, and bolt 111 runs through spacing spring 112, spacing spring 112 sets up inside waist pad height adjusting locating piece 113, and spacing spring 112 embedding waist pad height adjusting locating piece 113, waist pad height adjusting locating piece 113 is connected with waist pad height adjusting control block 115 block, waist pad height adjusting locating piece 113 and waist pad height adjusting control block 115 embedding height adjusting fixed block 114, height adjusting fixed block 114 passes through waist height adjusting fixed block screw 116 threaded connection on back of the chair 110, through such design, make the seat can the automatically regulated angle, the convenience and the practicality of device have been improved.
A rotating mechanism 200 is arranged at one side of the chair back 110, the rotating mechanism 200 comprises a waist screw rod fixing screw 210, a waist rotating fixing block 211, a waist spring 212, a waist spring pressing block 213, a waist elastic force adjusting screw 214, a supporting waist cushion 215 and an elastic force adjusting screw 216, the bottom end of the waist cushion heightening control block 115 is embedded into the waist rotating fixing block 211, the waist screw rod fixing screw 210 is arranged at one side of the waist rotating fixing block 211, the waist spring 212 is fixed at one end of an inner groove of the supporting waist cushion 215, the waist spring pressing block 213 is embedded at the top end of the waist spring 212 in the waist rotating fixing block 211, the waist elastic force adjusting screw 214 penetrates through the inside of the waist spring 212, the waist rotating fixing block 211, the waist spring 212 and the supporting waist cushion 215 are connected in a penetrating manner by the waist elastic force adjusting screw 214, the waist spring 212 is jointed with the elastic force adjusting screw 216, and the device, the convenience of the device is improved.
The working principle is as follows: the waist support pad 215 is fixed on the chair back 110 through a waist elastic force adjusting screw 214, a waist rotation fixing block 211 and a heightening fixing block 114, the waist support pad 215, the waist rotation fixing block 211 and the waist spring 212 are connected through the waist elastic force adjusting screw 214, one end of the waist spring 212 is fixed in a groove in the middle of the waist support pad 215, the other end is pressed through a waist spring pressing block 213, the waist elastic force adjusting screw 214 is fixed on the waist rotation fixing block 211 through a waist screw fixing screw 210, the waist support pad 215 rotates with the waist elastic force adjusting screw 214 as a center, the rotation angle of the waist support pad 215 is controlled by limiting two steps at the bottom of a square column extending out of the middle of the waist support pad 215 and a groove in the waist rotation fixing block 211, the rotation elastic force of the waist support pad 215 is controlled by combining an elastic force adjusting screw 216 and a thread on the waist spring pressing block 213, and when the elastic force adjusting screw 216, the lumbar spring 212 is compressed and, correspondingly, the force to rotate the support lumbar pad 215 increases and, conversely, decreases.
The rotating part of the supporting waist cushion 215 is fixed on the chair back 110 through the heightening fixed block 114, the convex blocks at two sides of the front end of the waist cushion heightening control block 115 are combined with the grooves at two sides of the waist rotating fixed block 211 to play a role in limiting the highest point pulled out by the supporting waist cushion 215, the function of the supporting waist cushion is realized by the teeth of the waist cushion heightening positioning block 113 and the waist rotating fixed block 211, one end of the limiting spring 112 is propped against the step in the 5 waist heightening fixed block 114, the other end of the limiting spring presses the groove of the waist cushion heightening positioning block 113, the arc-shaped convex blocks at two sides of the waist cushion heightening control block 115 and the corresponding grooves of the heightening fixed block 114 play a role in positioning, the waist cushion heightening positioning block 113 can be pulled forwards and fixed at a certain height through the action of the limiting spring 112 in the process of forward stretching the supporting waist cushion 215, and when the supporting waist cushion 215 is pulled to the highest point, the lower side of the convex block at Then, the supporting lumbar pad 215 is pulled forward continuously, the lumbar pad heightening control block 115 rises to jack up the lumbar pad heightening positioning block 113, so that the teeth on the lumbar pad heightening positioning block 113 are separated from the teeth on the lumbar rotation fixing block 211, the lumbar pad automatically drops to the lowest point, after the supporting lumbar pad 215 drops to the lowest point, the upper side of the projection at the upper end of the lumbar pad heightening control block 115 contacts the lower limit points at the two sides of the teeth of the lumbar rotation fixing block 211, the lumbar pad heightening control block 115 drops, the lumbar pad heightening positioning block 113 is separated from the lumbar pad heightening control block 115, the teeth on the lumbar pad heightening positioning block 113 are in re-contact with the teeth of the lumbar rotation fixing block 211 under the action of the limit spring 112, so that the supporting lumbar pad 215 achieves the function of cyclic lifting, and the operation is finished.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (2)
1. The utility model provides a two back of body waist structure of increaseing, includes device main part (100), rotary mechanism (200), its characterized in that: device main part (100) heighten locating piece (113), heighten fixed block (114), bustle heighten control block (115) and bustle heighten fixed block screw (116) including back of the chair (110), bolt (111), spacing spring (112), bustle heighten fixed block screw (116), the inside of back of the chair (110) is provided with bolt (111), and bolt (111) runs through spacing spring (112), spacing spring (112) set up inside bustle heighten locating piece (113), and spacing spring (112) embedding bustle heighten locating piece (113), bustle heighten locating piece (113) and bustle heighten control block (115) block and be connected, bustle heighten locating piece (113) and bustle heighten control block (115) embedding heighten fixed block (114), heighten fixed block (114) and heighten fixed block screw (116) threaded connection on back of the chair (110) through bustle heighten fixed block screw (116).
2. The double-back and waist height-adjusting structure according to claim 1, wherein: one side of the back of the chair (110) is provided with rotary mechanism (200), rotary mechanism (200) include waist screw rod fixed screw (210), the rotatory fixed block of waist (211), waist spring (212), waist spring briquetting (213), waist elasticity adjusting screw (214), support bustle (215) and elasticity adjusting screw (216), the inside of the rotatory fixed block of waist (211) is inlayed to the bottom of bustle height-adjusting control block (115), and one side of the rotatory fixed block of waist (211) is provided with waist screw rod fixed screw (210), the inside recess one end of the rotatory fixed block of waist (211) is fixed with waist spring (212), and the top embedding of the rotatory fixed block of waist (211) inside waist spring (212) of waist has waist spring briquetting (213), and the inside of the waist spring (212) of telling runs through waist elasticity adjusting screw (214), and waist elasticity adjusting screw (214) with the rotatory fixed block of waist (211), The waist spring (212) and the supporting waist pad (215) are connected in a penetrating way, and the waist spring (212) is jointed with the elastic force adjusting screw (216).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010718455.2A CN112568639A (en) | 2020-07-23 | 2020-07-23 | Double-back and waist height-adjusting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010718455.2A CN112568639A (en) | 2020-07-23 | 2020-07-23 | Double-back and waist height-adjusting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112568639A true CN112568639A (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010718455.2A Pending CN112568639A (en) | 2020-07-23 | 2020-07-23 | Double-back and waist height-adjusting structure |
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| Country | Link |
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| CN (1) | CN112568639A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113768310A (en) * | 2021-09-24 | 2021-12-10 | 安吉伟誉家具有限公司 | High-bearing comfortable leisure chair |
-
2020
- 2020-07-23 CN CN202010718455.2A patent/CN112568639A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113768310A (en) * | 2021-09-24 | 2021-12-10 | 安吉伟誉家具有限公司 | High-bearing comfortable leisure chair |
| CN113768310B (en) * | 2021-09-24 | 2022-04-12 | 安吉伟誉家具有限公司 | High-bearing comfortable leisure chair |
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