CN216915609U - Backrest structure with manually-adjusted angle - Google Patents
Backrest structure with manually-adjusted angle Download PDFInfo
- Publication number
- CN216915609U CN216915609U CN202220394715.XU CN202220394715U CN216915609U CN 216915609 U CN216915609 U CN 216915609U CN 202220394715 U CN202220394715 U CN 202220394715U CN 216915609 U CN216915609 U CN 216915609U
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- backrest
- assembly
- angle
- seat
- hand wheel
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- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 4
- 239000000956 alloy Substances 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 description 3
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
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- Seats For Vehicles (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model discloses a backrest structure with a manually adjusted angle, which belongs to the technical field of seat adjusting structures and comprises a backrest skeleton assembly, wherein two side walls of the outer part of the backrest skeleton assembly are provided with fixed adjusting blocks, the fixed adjusting blocks are provided with fixed rods, one end of each fixed rod is provided with an arm placing frame, and the arm placing frames are made of aluminum alloy materials; the angle adjuster comprises a backrest inclination angle adjusting device, a backrest framework assembly, a backrest inclination angle adjusting device, a backrest frame assembly, a backrest, a positioning device, a positioning pin, an angle adjuster hand wheel, an adjuster support plate and the like.
Description
Technical Field
The utility model relates to the technical field of seat adjusting structures, in particular to a backrest structure with a manually adjusted angle.
Background
The car seat is a seat to be seated on when sitting on, and can be roughly classified into: a front row seat: a headrest, a backrest, a cushion and armrests; rear seats: headrest, back, cushion, flank, handrail. The driver and the passenger of the automobile seat provide driving and seating positions which are convenient to operate, comfortable and safe. It should have the following conditions: the arrangement of the seats in the whole carriage is reasonable; the appearance design of the chair must accord with the physiological function of human body, and the appearance is attractive on the premise of ensuring the comfort; the seat must be safe and reliable, should have sufficient strength, rigidity and durability, compact structure and reduce the mass as much as possible; in order to satisfy the comfort of drivers and passengers, various adjusting mechanisms are provided with reliable locking devices to ensure safety.
The seat of current special vehicle especially agricultural machinery vehicle's seat, all be fixed unadjustable structure, the staff drives the vehicle work for a long time, the waist has very big burden under fixed posture, be unfavorable for comfortable work, secondly, current car seat's regulation inclination is less, can only adjust at the small scale, be unfavorable for the user to finely tune according to self travelling comfort machine, finally, the arm rack on the current car seat all is fixed structure mostly, be unfavorable for adjusting fixedly according to different users ' height. Accordingly, one skilled in the art provides a manually adjustable angle backrest structure to solve the problems set forth in the background art.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a backrest structure with a manually adjustable angle, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a manual angle regulation backrest structure, includes back skeleton assembly, be provided with fixed regulating block on the outside both sides wall of back skeleton assembly, be provided with the dead lever on the fixed regulating block, dead lever one end is provided with the arm rack, the arm rack is the aluminum alloy material.
As a still further scheme of the utility model: the fixed adjusting block is fixed in a through hole in the backrest framework assembly through a bolt, three groups of through holes are formed in the backrest framework assembly, one end of the fixed rod penetrates through the fixed adjusting block, and the other end of the fixed rod is connected with the arm placing rack in a clamping and pressing mode.
As a still further scheme of the utility model: the backrest framework assembly is characterized in that an adapter plate is fixedly connected to the backrest framework assembly below the fixed adjusting block, a positioning pin is welded to the bottom wall of the adapter plate, an angle adjuster supporting plate is arranged on the periphery of the positioning pin, and a hand wheel supporting rotating shaft is welded to one side wall of the outer portion of the angle adjuster supporting plate.
As a still further scheme of the utility model: the hand wheel supporting rotating shaft is rotatably connected with an angle adjuster hand wheel, and a seat framework assembly is arranged at the bottom of the backrest framework assembly.
As a still further scheme of the utility model: the backrest framework assembly is rotatably connected with a rotating joint at the joint of the backrest framework assembly and the seat framework assembly, a curve groove is formed in the inner wall of the hand wheel of the angle adjuster, and the positioning pin is in sliding connection with the curve groove.
As a still further scheme of the utility model: the seat frame assembly bottom symmetry is provided with the slide rail assembly, the slide rail assembly comprises electronic slide bar and track, the welding of slide rail assembly bottom four corners has the bracing piece.
As a still further scheme of the utility model: the seat frame assembly and the backrest frame assembly are both made of mild steel Q345B and QSTE460 materials.
As a still further scheme of the utility model: the angle adjuster support plate, the positioning pin and the angle adjuster hand wheel form a seat angle adjuster assembly together.
Compared with the prior art, the utility model has the beneficial effects that:
1. the angle adjuster comprises a backrest inclination angle adjusting device, a backrest framework assembly, a backrest inclination angle adjusting device, a backrest frame assembly, a backrest, a positioning pin, an angle adjuster hand wheel, an adjuster support plate and the like, wherein the angle adjuster hand wheel is arranged on the backrest framework assembly;
2. according to the utility model, by designing the curve groove, the curve groove can be forwards adjusted by 10 degrees, the total adjusting angle is 105 degrees, and the adjusting mechanism is characterized in that when a driver and passengers can slightly adjust according to the comfort degree of the driver and passengers in the adjusting process;
3. according to the utility model, by designing the novel arm supporting structure consisting of the fixed adjusting block, the arm placing frame and the fixed rod, the position of the arm placing frame can be flexibly adjusted through the fixed adjusting block, so that the arm of a driver can move on the seat easily.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a rear view of the angle adjuster hand wheel of the present invention;
FIG. 3 is a schematic view of the present invention with the handle wheel removed;
fig. 4 is a connection relationship diagram of the adapter plate and the positioning pin in the present invention.
In the figure: 1-a backrest frame assembly; 2-positioning pins; 3-angle adjuster handwheel; 4-a seat frame assembly; 5-placing an arm; 6-fixing the adjusting block; 7-a seat recliner assembly; 8-a support bar; 9-a slide rail assembly; 10-angle adjuster fixing plate; 11-a curved slot; 12-a hand wheel support shaft; 13-a fixation rod; 14-a revolute joint; 15-an adapter plate.
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 to 4, in an embodiment of the present invention, a backrest structure with a manually adjustable angle includes a backrest frame assembly 1, two side walls of an exterior of the backrest frame assembly 1 are provided with fixed adjusting blocks 6, the fixed adjusting blocks 6 are provided with fixing rods 13, one end of each fixing rod 13 is provided with an arm placing frame 5, and the arm placing frame 5 is made of an aluminum alloy material.
The fixed adjusting block 6 is fixed in a through hole on the backrest framework assembly 1 through a bolt, three groups of through holes are arranged on the backrest framework assembly 1, one end of a fixed rod 13 penetrates through and is fixed on the fixed adjusting block 6, the other end of the fixed rod 13 is clamped and pressed with the arm placing frame 5, the fixed adjusting block 6 can be flexibly disassembled and installed on the three groups of through holes, and the position of the arm placing frame 5 can be conveniently adjusted; an adapter plate 15 is fixedly connected to the backrest skeleton assembly 1 below the fixed adjusting block 6, a positioning pin 2 is welded to the bottom wall of the adapter plate 15, an angle adjuster supporting plate 10 is arranged on the periphery of the positioning pin 2, a hand wheel supporting rotating shaft 12 is welded to one side wall of the outer portion of the angle adjuster supporting plate 10, and after the angle adjuster hand wheel 3 rotates the adapter plate 15, the adapter plate 15 can drive the backrest skeleton assembly 1 to rotate; the hand wheel supporting rotating shaft 12 is rotatably connected with an angle adjuster hand wheel 3, and the bottom of the backrest framework assembly 1 is provided with a seat framework assembly 4; a rotating joint 14 is rotatably connected at the joint of the backrest framework assembly 1 and the seat framework assembly 4, a curved groove 11 is formed in the inner wall of the angle adjuster hand wheel 3, and the positioning pin 2 is slidably connected with the curved groove 11; the bottom of the seat framework assembly 4 is symmetrically provided with slide rail assemblies 9, each slide rail assembly 9 consists of an electric slide bar and a track, and four corners at the bottom of each slide rail assembly 9 are welded with support rods 8; the seat framework assembly 4 and the backrest framework assembly 1 are made of mild steel Q345B and QSTE460 materials, the mass center of the seat framework assembly 4 is larger than or equal to 500N, the upper human body module and the lower human body module are larger than or equal to 4500N, and the adjusting angle of the backrest framework assembly 1 can be adjusted forwards by 10 degrees; the recliner supporting plate 10, the positioning pin 2 and the recliner hand wheel 3 together form a seat recliner assembly 7.
The working principle of the utility model is as follows: when the device is used specifically, the device is installed on an agricultural vehicle, a seat fixing frame assembly is fixedly installed with an agricultural seat through a supporting rod 8, then a seat cover is wrapped on a seat framework assembly 4 and a backrest framework assembly 1, the seat can be used normally, a positioning pin 2 on the backrest framework assembly 1 is driven by rotating an angle adjuster hand wheel 3, the positioning pin 2 runs in a curve groove 11 of the angle adjuster hand wheel 3 to drive the backrest to rotate to adjust the backrest angle, the backrest is humanized and high in comfort, the device is favorable for reducing the body burden of a driver on a special vehicle, particularly the agricultural vehicle, the curve groove 11 can be adjusted forwards by 10 degrees, the total adjustment angle is 105 degrees, the adjusting mechanism is characterized in that when the driver and the passenger can carry out micro adjustment according to the comfort degree of the driver in the adjusting process, and the defect that the traditional seat cannot be finely adjusted is overcome, the position of the arm placing frame 5 can be flexibly adjusted through the fixed adjusting block 6, and the driver can conveniently move the arms on the seat easily.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a manual angle regulation back structure, includes back skeleton assembly (1), its characterized in that:
the backrest frame assembly is characterized in that fixing adjusting blocks (6) are arranged on two side walls of the outer portion of the backrest frame assembly (1), fixing rods (13) are arranged on the fixing adjusting blocks (6), arm placing frames (5) are arranged at one ends of the fixing rods (13), and the arm placing frames (5) are made of aluminum alloy materials.
2. The manual angle adjustment backrest structure of claim 1, wherein:
the fixing and adjusting block (6) is fixed in a through hole in the backrest framework assembly (1) through a bolt, three groups of through holes in the backrest framework assembly (1) are formed, one end of the fixing rod (13) penetrates through and is fixed on the fixing and adjusting block (6), and the other end of the fixing rod (13) is connected with the arm placing frame (5) in a clamping and pressing mode.
3. The manually adjustable angle backrest structure of claim 2, wherein:
the backrest frame assembly is characterized in that an adapter plate (15) is fixedly connected to the backrest frame assembly (1) below the fixed adjusting block (6), a positioning pin (2) is welded to the wall of the bottom of the adapter plate (15), an angle adjuster supporting plate (10) is arranged on the periphery of the positioning pin (2), and a hand wheel supporting rotating shaft (12) is welded to one side wall of the outer portion of the angle adjuster supporting plate (10).
4. The manually adjustable angle backrest structure of claim 3, wherein:
the angle adjuster hand wheel (3) is rotatably connected to the hand wheel support rotating shaft (12), and the seat framework assembly (4) is arranged at the bottom of the backrest framework assembly (1).
5. The manually adjustable angle backrest structure of claim 4, wherein:
the backrest frame assembly (1) is rotatably connected with a rotating joint (14) at the joint of the seat frame assembly (4), a curve groove (11) is formed in the inner wall of the angle adjuster hand wheel (3), and the positioning pin (2) is slidably connected with the curve groove (11).
6. The manually adjustable angle backrest structure of claim 5, wherein:
seat skeleton assembly (4) bottom symmetry is provided with slide rail assembly (9), slide rail assembly (9) comprise electric slide bar and track, the welding of slide rail assembly (9) bottom four corners department has bracing piece (8).
7. The manually adjustable angle backrest structure of claim 6, wherein:
the angle adjuster support plate (10), the positioning pin (2) and the angle adjuster hand wheel (3) jointly form a seat angle adjuster assembly (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220394715.XU CN216915609U (en) | 2022-02-25 | 2022-02-25 | Backrest structure with manually-adjusted angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220394715.XU CN216915609U (en) | 2022-02-25 | 2022-02-25 | Backrest structure with manually-adjusted angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216915609U true CN216915609U (en) | 2022-07-08 |
Family
ID=82267450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220394715.XU Expired - Fee Related CN216915609U (en) | 2022-02-25 | 2022-02-25 | Backrest structure with manually-adjusted angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216915609U (en) |
-
2022
- 2022-02-25 CN CN202220394715.XU patent/CN216915609U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220708 |