CN217065797U - Chair with automatic telescopic waist support - Google Patents
Chair with automatic telescopic waist support Download PDFInfo
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- CN217065797U CN217065797U CN202220583047.5U CN202220583047U CN217065797U CN 217065797 U CN217065797 U CN 217065797U CN 202220583047 U CN202220583047 U CN 202220583047U CN 217065797 U CN217065797 U CN 217065797U
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- waist
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- chair
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- 230000007246 mechanism Effects 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 210000004705 lumbosacral region Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a chair with automatic flexible waist holds in palm, hold in the palm including the back of the chair, seat support, waist, the waist holds in the palm to be established on the back of the chair, be equipped with pressure sensor on the seat support, the waist holds in the palm including the waist holds in the palm the body, and base, telescopic machanism establish the waist holds in the palm between body and the base, the waist holds in the palm the body and vice waist including main waist, main waist holds in the palm the middle part of body and sets up flutedly, vice waist holds in the palm the body and establishes in the recess, the installing port has been seted up to the tank bottom of recess, be equipped with travel switch in the installing port, travel switch's contact is established vice waist holds in the palm the bottom of body. Whether the human body is arranged on the chair or not is detected through the pressure sensor, and whether the contact of the travel switch is extruded by the auxiliary waist support body or not is judged through the stretching of the telescopic mechanism, so that the distance between the waist support body and the back of the human body can be automatically adjusted according to user requirements, and the use comfort level and the application range of the device are improved.
Description
Technical Field
The utility model relates to a waist holds in the palm the field, concretely relates to chair with automatic flexible waist holds in palm.
Background
The chair is a furniture with wide application in daily life and work, generally comprises a base, a backrest, a supporting structure, armrests and other parts, and meanwhile, in order to meet more requirements of people and bring more comfortable experience, the structure and the function of the chair are also continuously improved. Currently, seats with lumbar supports are increasingly being presented in order to provide good support to the lumbar region. However, the applicant finds that when a person sits on the seat, some people like sitting forward and some people like sitting backward, and the existing waist support in the market cannot automatically adjust the distance between the waist support and the waist of the user according to the requirement of each user, so that the applicability of the waist support is greatly reduced, and therefore the waist support capable of automatically adjusting forward and backward according to the requirement of the user needs to be provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems in the background technology and providing a chair with an automatic telescopic waist support. The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a chair with automatic flexible waist holds in palm, holds in the palm including the back of the chair, seat support, waist, the waist holds in the palm and establishes on the back of the chair, be equipped with pressure sensor on the seat support, the waist holds in the palm the body including the waist, base, telescopic machanism establishes the waist holds in the palm between body and the base, the waist holds in the palm the body and holds in the palm the body including main waist and vice waist, main waist holds in the palm the middle part of body and sets up flutedly, vice waist holds in the palm the body and establishes in the recess, the installing port has been seted up to the tank bottom of recess, be equipped with travel switch in the installing port, travel switch's contact is established vice waist holds in the palm the bottom of body.
The main waist holds in the palm the body and the vice waist holds in the palm the body and all becomes the arcwall face of indent for the waist holds in the palm the compound human health curve of body, strengthens the comfort level, and vice waist holds in the palm the body and establishes at the middle part that main waist held in the palm the body, makes vice waist hold in the palm the body and be located the minimum that main waist held in the palm the body, thereby strengthens the accuracy of judging whether the waist holds in the palm with human contact.
Preferably, two guide holes are formed in the bottom of the groove and located on two opposite sides of the mounting opening, a guide shaft capable of penetrating through the guide holes is formed at the bottom of the auxiliary waist support body, and the auxiliary waist support body is kept in a front-back state in moving on the main waist support body through the guide shaft, so that dislocation and displacement are prevented.
Preferably, the top of guiding hole is equipped with the retaining ring, be fixed with on the lateral wall of guiding axle with the dog that the retaining ring is mutually supported for vice waist holds in the palm the body can not excessively extrude travel switch through the cooperation of dog and retaining ring.
Preferably, the waist holds in the palm the body and is located the bottom downwardly extending of installing port has the fixed plate, fixedly connected with erection column on the lateral wall of fixed plate, the last shaping of travel switch has the mounting hole that the erection column mutually supported makes travel switch can fix on the installing port through the erection column, and it is convenient to install.
Preferably, the telescopic mechanism comprises two scissor-type structures, a driving assembly, a first guide shaft, a second guide shaft, a third guide shaft, a fourth guide shaft and a fifth guide shaft, the scissor-type structures comprise a first rod piece and a second rod piece which are arranged in a crossed manner, the first guide shaft penetrates through the central positions of the first rod piece and the second rod piece and is movably connected with the first rod piece, the second guide shaft penetrates through the bottom ends of the two first rod pieces and is movably connected with the second rod piece, the third guide shaft penetrates through the top ends of the two first rod pieces and is movably connected with the top ends of the two first rod pieces, the fourth guide shaft penetrates through the bottom ends of the two second rod pieces and is movably connected with the second rod piece, the waist support body is provided with an installation lug at the position of the top end of the first rod piece, and is provided with a first waist-shaped chute at the position of the top end of the second rod piece, the base is located the position department of first member bottom is equipped with second waist type spout, the base is located the position department of second member bottom is equipped with the member mounting hole, the third guiding axle with installation ear swing joint, the fifth guiding axle with first waist type spout sliding connection, the second guiding axle with second waist type spout sliding connection, the fourth guiding axle with member mounting hole swing joint promotes the second guiding axle through drive assembly to the motion that drives two first members and the motion of second member realize cutting the flexible of fork, thereby realize the mesh of the distance between automatically regulated base and the waist support body.
Preferably, drive assembly is including motor, lead screw and spacing seat, the lead screw is established the output of motor, spacing seat is established the end of lead screw, spacing seat is kept away from the one end shaping of lead screw has the guiding axle spacing groove, the base is followed be equipped with the spout on the length direction of lead screw, the bottom of spacing seat be equipped with the slider that the spout was mutually supported through the rotation of motor control lead screw to drive spacing seat and remove along the direction of spout, thereby control the removal of second guiding axle.
Preferably, the terminal of lead screw is gone up the cover and is established and be fixed with the connecting block, the shaping has the standing groove of being convenient for place the connecting block on the spacing seat, be equipped with the through-hole on the connecting block, be equipped with in the standing groove with the connecting block mounting hole that the through-hole mutually supported, pass through-hole and connecting block mounting hole through the screw and realize spacing seat and the dismantlement of lead screw and be connected.
Preferably, the base is provided with a forward travel switch and a backward travel switch, the forward travel switch and the backward travel switch are located on two sides of the limiting seat, the limiting seat is provided with a forward stop block matched with the forward travel switch, the limiting seat is provided with a backward stop block matched with the backward travel switch, when the limiting seat is in a forward process, the forward stop block contacts the forward travel switch to prevent excessive forward, and when the limiting seat is in a backward process, the backward stop block contacts the backward travel switch to prevent excessive backward, so that the adjusting range of the distance between the waist support body and the base is controlled.
Preferably, the side of the forward stop travel switch close to the forward travel switch and the side of the backward stop travel switch close to the backward travel switch are both provided with a pressing surface travel switch, the pressing surface travel switch is inclined inwards from one end close to the limit seat travel switch to one end far away from the limit seat travel switch, and through the inclined arrangement, the forward stop and the backward stop can finish the purpose of pressing the contact of the travel switch in the moving process of the limit seat.
To sum up, the utility model has the advantages that:
1. the utility model discloses a pressure sensor detects whether the human body is done on the chair, through the flexible of telescopic machanism, adjusts the distance between waist support body and the base, through judging whether vice waist support body extrudees travel switch's contact, thereby judge automatically whether waist support body contacts with the waist of human body, thereby make the waist support body can be according to user's demand automatically regulated and the human back between the distance, improve comfort level and the application scope that the device used;
2. the utility model discloses a dog that gos forward contacts travel switch that gos forward, prevents to go forward excessively, and the dog that backs contacts travel switch that backs, prevents that the back is excessive to the control waist holds in the palm the control range of distance between body and the base.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the waist support of the present invention;
fig. 3 is a schematic view of the main waist support body of the present invention;
fig. 4 is a bottom schematic view of the main waist support body of the present invention;
fig. 5 is a schematic view of the base of the present invention;
fig. 6 is a schematic top view of the base of the present invention;
fig. 7 is a schematic bottom view of the main waist support body of the present invention.
Detailed Description
The following specific embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws and protection within the scope of the present invention.
The present invention will be described in detail by way of examples with reference to the accompanying drawings.
Example (b):
as shown in fig. 1-7, a chair with automatic flexible waist support, including back of the chair 5, seat support 6, waist support 7 is established on back of the chair 5, be equipped with pressure sensor 61 on the seat support 6, waist support 7 is including waist support body 1, base 2, telescopic machanism 3 establishes between waist support body 1 and base 2, waist support body 1 is including main waist support body 11 and vice waist support body 12, main waist support body 11's middle part has seted up recess 111, vice waist support body 12 establishes in recess 111, mounting opening 112 has been seted up to the tank bottom of recess 111, be equipped with travel switch 4 in the mounting opening 112, travel switch 4's contact is established the bottom of vice waist support body 12, two guiding holes 113 have been seted up to the tank bottom of recess 111, two guiding holes 113 are located the relative both sides of mounting opening 112, a guide shaft 121 capable of passing through the guide hole 113 is formed at the bottom of the auxiliary lumbar support body 12, a retainer ring 123 is arranged at the top of the guide hole 113, a stopper 122 mutually matched with the retainer ring 123 is fixed on the side wall of the guide shaft 121, a fixing plate 115 extends downwards from the bottom of the lumbar support body 1 at the mounting opening 112, a mounting post 116 is fixedly connected on the side wall of the fixing plate 115, a mounting hole 41 mutually matched with the mounting post 116 is formed on the travel switch 4, the telescopic mechanism 3 comprises two scissor-type structures 31, a driving assembly 32, a first guide shaft 33, a second guide shaft 34, a third guide shaft 35, a fourth guide shaft 36 and a fifth guide shaft 37, the scissor-type structures 31 comprise a first rod 311 and a second rod 312 which are arranged in a crossed manner, and the first guide shaft 33 passes through the central positions of the first rod 311 and the second rod 312 and is movably connected with the first rod 311 and the second rod 312, the second guide shaft 34 passes through the bottom ends of the two first rod pieces 311 and is movably connected with the bottom ends, the third guide shaft 35 passes through the top ends of the two first rod pieces 311 and is movably connected with the top ends, the fourth guide shaft 36 passes through the bottom ends of the two second rod pieces 312 and is movably connected with the bottom ends, the fifth guide shaft 37 passes through the top ends of the two second rod pieces 312 and is movably connected with the top ends, a mounting ear 13 is arranged at the position of the waist support body 1 at the top end of the first rod piece 311, a first waist-shaped sliding groove 14 is arranged at the position of the waist support body 1 at the top end of the second rod piece 312, a second waist-shaped sliding groove 15 is arranged at the position of the base 2 at the bottom end of the first rod piece 311, a rod piece mounting hole 16 is arranged at the position of the base 2 at the bottom end of the second rod piece 312, and the third guide shaft 35 is movably connected with the mounting ear 13, the fifth guide shaft 37 is slidably connected with the first waist-shaped chute 14, the second guide shaft 34 is slidably connected with the second waist-shaped chute 15, the fourth guide shaft 36 is movably connected with the rod mounting hole 16, the driving assembly 32 comprises a motor 321, a screw rod 322 and a limiting seat 323, the screw rod 322 is arranged at the output end of the motor 321, the limiting seat 323 is arranged at the tail end of the screw rod 322, a guide shaft limiting groove 324 is formed at one end of the limiting seat 323 away from the screw rod 322, a chute 325 is arranged on the base 2 along the length direction of the screw rod 322, a sliding block 326 mutually matched with the chute 325 is arranged at the bottom of the limiting seat 323, a connecting block 327 is fixedly sleeved on the tail end of the screw rod 322, a placing groove 328 convenient for placing the connecting block 327 is formed on the limiting seat 323, a through hole is arranged on the connecting block 327, and a connecting block mounting hole 329 mutually matched with the through hole is arranged in the placing groove 328, the base 2 is provided with a forward travel switch 21 and a backward travel switch 22, the forward travel switch 21 and the backward travel switch 22 are located on two sides of the limiting seat 323, the limiting seat 323 is provided with a forward stop 23 matched with the forward travel switch 21, the limiting seat 323 is provided with a backward stop 24 matched with the backward travel switch 22, one side of the forward stop 23 close to the forward travel switch 21 and one side of the backward stop 24 close to the backward travel switch 22 are both provided with a squeezing surface 231, and the squeezing surface 231 inclines inwards from one end close to the limiting seat 323 to one end away from the limiting seat 323.
The waist support device of this case can place at the back of seat, is equipped with pressure sensor on the cushion of seat, judges whether the people sits on the seat through pressure sensor.
In the whole process, the pressure sensor, the motor and the travel switch are controlled by the controller, so that automation is realized, and the controller controls the pressure sensor, the travel switch and the motor, which is a mature technology, so that the detailed description is omitted in the scheme.
The utility model discloses the theory of operation of structure does:
as shown in fig. 1-7, when in use, the automatic telescopic waist support is placed on the back of the seat, the waist support body 1 faces the body of a person, when the person sits on the cushion of the seat, the pressure sensor detects a message, the controller controls the motor 32, the motor 32 controls the rotation of the screw rod 322 to drive the limiting seat 323 to move along the direction of the sliding groove 325, so as to control the movement of the second guiding shaft 34, so as to drive the two first rod pieces 311 and the second rod piece 312 to move, so that the arc-shaped surface of the auxiliary waist support body 12 contacts the back of the person, when the person extrudes the auxiliary waist support body 12, the bottom of the auxiliary waist support body 12 extrudes the contact of the travel switch 4, so that the controller receives the message, judges that the waist support body 1 has contacted with the waist of the person, so as to control the motor 32 to stop rotating, so as to control the scissor-type structure 31 to stop moving, thereby accomplish the automatically regulated waist and hold in the palm the distance between body and the human back, comfort level and application scope that improve the device and use, when the human body gets up from the chair, pressure sensor loses gravity, and controller control motor 32 through the rotation of motor 32 control lead screw 322 to drive spacing seat 323 action, thereby drive the action of two first member pieces 311 and second member piece 312, make the waist hold in the palm body 1 return, be convenient for carry out the adjustment next time.
Claims (9)
1. A chair with an automatic telescopic waist support is characterized by comprising a chair back (5), a chair seat (6),
Waist holds in the palm (7), the waist holds in the palm (7) and establishes on the back of the chair (5), be equipped with pressure sensor (61) on seat support (6), waist holds in the palm body (7) including the waist holds in the palm body (1), base (2), telescopic machanism (3) establish waist holds in the palm between body (1) and base (2), waist holds in the palm body (1) and holds in the palm body (11) and vice waist including main waist, main waist holds in the palm the middle part of body (11) and sets up fluted (111), vice waist holds in the palm body (12) and establishes in recess (111), installing port (112) have been seted up to the tank bottom of recess (111), be equipped with travel switch (4) in installing port (112), travel switch (4)'s contact is established vice waist holds in the palm the bottom of body (12).
2. The chair with the automatic telescopic waist support is characterized in that two guide holes (113) are formed in the bottom of the groove (111), the two guide holes (113) are positioned on two opposite sides of the mounting opening (112), and a guide shaft (121) capable of penetrating through the guide holes (113) is formed at the bottom of the auxiliary waist support body (12).
3. A chair with an automatic telescopic waist support according to claim 2, characterized in that a retaining ring (123) is arranged at the top of the guide hole (113), and a stop block (122) which is matched with the retaining ring (123) is fixed on the side wall of the guide shaft (121).
4. The chair with the automatic telescopic waist support is characterized in that a fixing plate (115) extends downwards from the bottom of the waist support body (1) positioned at the mounting opening (112), a mounting column (116) is fixedly connected to the side wall of the fixing plate (115), and a mounting hole (41) for mutually matching the mounting column (116) is formed in the travel switch (4).
5. The chair with the automatic telescopic waist support is characterized in that the telescopic mechanism (3) comprises two scissor-type structures (31), a driving assembly (32), a first guide shaft (33), a second guide shaft (34), a third guide shaft (35), a fourth guide shaft (36) and a fifth guide shaft (37), the scissor-type structures (31) comprise a first rod piece (311) and a second rod piece (312) which are arranged in a crossed manner, the first guide shaft (33) passes through the central positions of the first rod piece (311) and the second rod piece (312) and is movably connected with the first rod piece, the second guide shaft (34) passes through the bottom ends of the two first rod pieces (311) and is movably connected with the second rod piece, the third guide shaft (35) passes through the top ends of the two first rod pieces (311) and is movably connected with the first rod pieces, and the fourth guide shaft (36) passes through the bottom ends of the two second rod pieces (312) and is movably connected with the second rod pieces, the fifth guide shaft (37) passes through the top ends of the two second rods (312) and is movably connected with the second rods, the waist support body (1) is provided with a mounting ear (13) at the top end of the first rod piece (311), a first waist-shaped sliding groove (14) is arranged at the position of the waist support body (1) at the top end of the second rod piece (312), a second waist-shaped sliding groove (15) is arranged at the position of the base (2) at the bottom end of the first rod piece (311), a rod piece mounting hole (16) is formed in the position, located at the bottom end of the second rod piece (312), of the base (2), the third guide shaft (35) is movably connected with the mounting lug (13), the fifth guide shaft (37) is connected with the first waist-shaped sliding groove (14) in a sliding way, the second guide shaft (34) is connected with the second waist-shaped sliding groove (15) in a sliding way, the fourth guide shaft (36) is movably connected with the rod piece mounting hole (16).
6. The chair with the automatic telescopic waist support is characterized in that the driving assembly (32) comprises a motor (321), a screw rod (322) and a limiting seat (323), the screw rod (322) is arranged at the output end of the motor (321), the limiting seat (323) is arranged at the tail end of the screw rod (322), a guide shaft limiting groove (324) is formed in one end, away from the screw rod (322), of the limiting seat (323), a sliding groove (325) is formed in the base (2) in the length direction of the screw rod (322), and a sliding block (326) matched with the sliding groove (325) is arranged at the bottom of the limiting seat (323).
7. The chair with the automatic telescopic waist support according to claim 6, wherein a connecting block (327) is sleeved and fixed at the tail end of the screw rod (322), a placing groove (328) for placing the connecting block (327) is formed in the limiting seat (323), a through hole is formed in the connecting block (327), and a connecting block mounting hole (329) matched with the through hole is formed in the placing groove (328).
8. The chair with the automatic telescopic waist support according to claim 6, wherein a forward travel switch (21) and a backward travel switch (22) are arranged on the base (2), the forward travel switch (21) and the backward travel switch (22) are arranged on two sides of the limiting seat (323), a forward stop block (23) matched with the forward travel switch (21) is arranged on the limiting seat (323), and a backward stop block (24) matched with the backward travel switch (22) is arranged on the limiting seat (323).
9. The chair with the automatic telescopic waist support according to claim 8, wherein a side of the forward stop (23) close to the forward travel switch (21) and a side of the backward stop (24) close to the backward travel switch (22) are provided with pressing surfaces (231), and the pressing surfaces (231) are inclined inwards from one end close to the limit seat (323) to one end far from the limit seat (323.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220583047.5U CN217065797U (en) | 2022-03-17 | 2022-03-17 | Chair with automatic telescopic waist support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220583047.5U CN217065797U (en) | 2022-03-17 | 2022-03-17 | Chair with automatic telescopic waist support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217065797U true CN217065797U (en) | 2022-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220583047.5U Active CN217065797U (en) | 2022-03-17 | 2022-03-17 | Chair with automatic telescopic waist support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217065797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115633865A (en) * | 2022-10-10 | 2023-01-24 | 佛山市顺德区琪辉家具有限公司 | Sofa of self-adaptation intelligent adjustment posture |
-
2022
- 2022-03-17 CN CN202220583047.5U patent/CN217065797U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115633865A (en) * | 2022-10-10 | 2023-01-24 | 佛山市顺德区琪辉家具有限公司 | Sofa of self-adaptation intelligent adjustment posture |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A chair with automatic retractable lumbar support Effective date of registration: 20231102 Granted publication date: 20220729 Pledgee: Zhejiang Anji Rural Commercial Bank of the West Branch of Limited by Share Ltd. Pledgor: ANJI SHENGXIN OFFICE FURNITURE Co.,Ltd. Registration number: Y2023330002508 |