CN220124315U - Chair with replaceable backrest - Google Patents
Chair with replaceable backrest Download PDFInfo
- Publication number
- CN220124315U CN220124315U CN202321421160.4U CN202321421160U CN220124315U CN 220124315 U CN220124315 U CN 220124315U CN 202321421160 U CN202321421160 U CN 202321421160U CN 220124315 U CN220124315 U CN 220124315U
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- CN
- China
- Prior art keywords
- seat
- bearing box
- cushion
- backrest
- box
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004744 fabric Substances 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000008859 change Effects 0.000 claims abstract description 9
- 239000011229 interlayer Substances 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000001932 seasonal effect Effects 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 3
- 239000010985 leather Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
Abstract
The utility model provides a seat with a replaceable backrest, which belongs to the field of furniture manufacturing, and comprises a bearing box, a seat body, a back cushion, a foot rest box, a buckle assembly and a lifting mechanism: a bearing box; the seat body is movably arranged in the bearing box interlayer; the back cushion is movably arranged on the seat body and is used for changing different fabrics when seasons change so as to improve comfort; the foot rest box is movably arranged at the bottom of the bearing box, can enable the lower leg to be better unfolded and loosened, is fixed on the back cushion, and is convenient for the installation and the disassembly of the back cushion; and the lifting mechanism is arranged on the bearing box and is used for lifting and adjusting the height. Through the arrangement, the height of the seat can be freely adjusted according to the requirements of individual human body positions, the lower legs can be better stretched and relaxed, and the cushion body can be very conveniently buckled on the backrest bracket, so that the cushion body can be replaced.
Description
Technical Field
The utility model belongs to the field of furniture manufacturing, and particularly relates to a seat with a replaceable backrest.
Background
The prior chair has the advantages that the backrest of the prior chair mostly adopts fixed fabrics, when the cushion body of the backrest is damaged, the prior chair cannot be replaced, and in addition, different backrest fabrics cannot be provided according to personal preference and seasonal variation, for example, the backrest is warm and comfortable in winter, and is cool in summer due to the adoption of fabrics, mesh fabrics, plant braids and the like with good air permeability; of course, at present, a seat capable of replacing the backrest fabric is also available, but in the seat, a cushion body of a backrest and a bracket are usually fastened and connected by a plurality of groups of screws, and when the cushion body is replaced, a special tool is needed to replace, so that the operation is very inconvenient.
The utility model provides a can conveniently change seat of back pad body is disclosed to authority publication number "CN201727144U", including support frame, cushion, back, the back includes support (1) and pad body (2), its characterized in that: the upper end and the lower end of the support (1) are respectively provided with a buckling position, and the upper end and the lower end of the cushion body (2) are provided with a fastener which is buckled on the buckling position of the support (1). The buckling positions at the upper end and the lower end of the support (1) are strip-shaped grooves, and the buckling parts at the upper end and the lower end of the cushion body (2) are strip-shaped flanges. A plurality of jacks are arranged in the strip-shaped groove buckling position at the lower end of the support (1), and bolts matched and connected with the jacks are arranged on the strip-shaped flange buckle at the lower end of the cushion body (2). The contact part of the cushion body (2) and the back of the human body can be provided with cloth fabric or leather fabric or plant braided fabric or grid fabric. "
The seat provided by the patent can conveniently replace the cushion body, maintain the backrest, meet individual requirements and adjust the cushion body according to seasonal changes, and can conveniently replace the backrest cushion body;
however, the height of the seat in the above patent cannot be adjusted, and is not suitable for the body position required by people.
Disclosure of Invention
The utility model aims to provide a seat with a replaceable backrest, and aims to solve the problems that the height of the seat in the prior art cannot be adjusted and the seat is not suitable for the body position required by people.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a back-exchangeable seat comprising:
a bearing box;
the seat body is movably arranged in the bearing box interlayer; and
the back cushion is movably arranged on the seat body and is used for changing different fabrics when seasons change so as to improve comfort;
characterized by further comprising:
the foot rest box is movably arranged at the inner bottom of the bearing box, so that the lower leg can be stretched and relaxed better;
the buckle component is fixed on the back cushion and is convenient for the installation and the disassembly of the back cushion; and the lifting mechanism is arranged on the bearing box and is used for lifting and adjusting the height.
As a preferable scheme of the utility model, the seat body comprises a cushion and a backrest, wherein the cushion is movably arranged in the bearing box interlayer, the backrest is fixedly arranged at the top of the cushion, and the backrest is movably arranged on the outer side wall.
As a preferable scheme of the utility model, two groups of sliding blocks and fixing plates are symmetrically arranged in the bearing box, each group of sliding blocks is provided with two sliding blocks, the two groups of sliding blocks are respectively and fixedly arranged on two sides of the inner wall below the bearing box, the two fixing plates are symmetrically arranged, and the two fixing plates are respectively and fixedly arranged on two sides of the inner wall above the seat cushion.
As a preferable scheme of the utility model, the outer side wall of the foot rest box is fixedly connected with a handle, the outer side wall of the foot rest box is symmetrically provided with two groups of slide block grooves matched with the slide blocks, and the slide blocks are in sliding fit with the slide block grooves.
As a preferable scheme of the utility model, the buckle assembly comprises two sub buckles and two female buckles, wherein the two sub buckles are symmetrically arranged on one side of the inner wall of the back cushion, the two female buckles are symmetrically arranged on the other side of the inner wall of the back cushion, and the two sub buckles are clamped with the two female buckles.
As a preferable scheme of the utility model, the lifting mechanism comprises a rotating rod, first conical teeth, a rotating handle, a screw rod and second conical teeth, wherein one end of the rotating rod is rotatably arranged on the inner left side wall above the bearing box, the other end of the rotating rod penetrates through the inner right side wall of the bearing box and extends to the outside of the bearing box, the two first conical teeth are symmetrically arranged on the circumferential surface of the rotating rod, the rotating handle is fixedly arranged on the circumferential surface of the rotating rod and positioned on the outside of the bearing box, the two screw rods are symmetrically arranged, one end of each screw rod is rotatably arranged on the inner top of the bearing box, the other end of each screw rod penetrates through the fixing plate and extends to the inside of the fixing plate, the two second conical teeth are symmetrically arranged on the circumferential surface of each screw rod, and each second conical tooth is meshed with each first conical tooth.
As a preferable scheme of the utility model, two limiting blocks are symmetrically arranged on the inner wall of the seat cushion, and the two limiting blocks are respectively fixedly arranged on two sides of the inner wall of the seat cushion and movably arranged on the circumferential surfaces of the two screw rods.
As a preferable scheme of the utility model, the bottom of the supporting box is provided with four first self-locking universal wheels, the four first self-locking universal wheels are respectively and fixedly arranged at the four ends of the supporting box, the bottom of the foot rest box is provided with four second self-locking universal wheels, and the four second self-locking universal wheels are respectively and fixedly arranged at the four ends of the foot rest box.
Compared with the prior art, the utility model has the beneficial effects that:
1. through setting up elevating system, can be according to individual human position demand free regulation seat height, be equipped with the bracket case simultaneously, the shank can obtain better stretching and relaxing, and the bottom is equipped with from locking-type pulley, makes things convenient for the seat to fix and remove.
2. The cushion is matched with the female buckle in a clamping way through the male buckle, so that the cushion body can be very conveniently buckled on the backrest bracket, the cushion body is replaced, the cushion body with different fabrics is replaced when the cushion body is damaged, when in use, different users can select favorite fabrics according to personal preference, the problem that people need to replace chairs in winter and summer is solved, and the comfort level of the chairs is increased. The cushion is convenient for install and detach through the buckle mechanism, and different fabrics are replaced when the cushion is convenient for change in seasons, so that the comfort level is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a perspective view of a first perspective of a seat of the present utility model with a replaceable backrest;
FIG. 2 is an exploded view of a first perspective of a seat of the present utility model with a replaceable back rest;
FIG. 3 is a first perspective cross-sectional view of a back-exchangeable seat of the present utility model;
FIG. 4 is a second perspective cross-sectional view of a back-exchangeable seat of the present utility model;
FIG. 5 is a second perspective cutaway exploded view of a back exchangeable seat of the present utility model;
fig. 6 is a third perspective cross-sectional view of a back-exchangeable seat of the present utility model.
In the figure: 1. a bearing box; 2. a cushion; 3. a backrest; 4. a back cushion; 5. a foot rest box; 6. a handle; 7. a rotating rod; 8. a first cone tooth; 9. a rotating handle; 10. a screw rod; 11. a second cone tooth; 12. a slide block; 13. a slider groove; 14. a first self-locking universal wheel; 15. the second self-locking universal wheel; 16. a fixing plate; 17. a sliding limiting block; 18. a sub-buckle; 19. and a female buckle.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
Examples
Referring to fig. 1-6, the present utility model provides the following technical solutions:
the utility model provides a removable seat of back, its is by bearing case 1, seat body, cushion 4, bracket case 5, buckle subassembly and elevating system constitute, specifically set forth as follows:
referring to fig. 5, a supporting box 1; the bearing case 1 is inside to be equipped with slider 12, fixed plate 16, slider 12 symmetry is equipped with two sets of, every group is equipped with two, two sets of sliders 12 are fixed respectively and are located bearing case 1 below inner wall both sides, fixed plate 16 symmetry is equipped with two, two fixed plates 16 are fixed respectively and are located cushion 2 top inner wall both sides, bearing case 1 bottom is equipped with first auto-lock universal wheel 14, first auto-lock universal wheel 14 is equipped with four, four first auto-lock universal wheels 14 are fixed respectively and are located bearing case 1 four ends, foot rest case 5 bottom is equipped with second auto-lock universal wheel 15, second auto-lock universal wheel 15 is equipped with four, four second auto-lock universal wheels 15 are fixed respectively and are located foot rest case 5 four ends.
In this embodiment: the fixed plate 16 is fixedly arranged inside the bearing box 1 and is used for assisting in setting up a lifting mechanism, and the lower leg can be better unfolded and relaxed by being provided with the foot rest box 5, and meanwhile, the bottom of the bearing box 1 and the bottom of the foot rest box 5 are provided with self-locking pulleys, so that the seat body can be conveniently fixed and moved, and the foot rest box 5 can be pushed and pulled.
Referring to fig. 4 and 5, the seat body is movably disposed in the interlayer of the supporting case 1; the seat body comprises a cushion 2 and a backrest 3, wherein the cushion 2 is movably arranged in an interlayer of the bearing box 1, the backrest 3 is fixedly arranged at the top of the cushion 2, and the backrest 4 is movably arranged on the outer side wall 3.
In this embodiment: the contact part of the backrest 3 and the back of the human body can be provided with cloth fabric or leather fabric or plant braided fabric or grid fabric.
Referring to fig. 2, the cushion 4 is movably disposed on the seat body, and is used for changing different fabrics to improve comfort when seasons change; the foot rest box 5 is movably arranged at the inner bottom of the bearing box 1, and can enable the lower leg to be stretched and relaxed better; the outer side wall of the foot rest box 5 is fixedly connected with a handle 6, slide block grooves 13 matched with the two groups of slide blocks 12 are symmetrically formed in the outer side wall of the foot rest box 5, and the slide blocks 12 are in sliding fit with the slide block grooves 13.
In this embodiment: the back cushion 4 is convenient to assemble and disassemble through the buckle mechanism, the comfort level is improved by changing different fabrics when the seasons change, the foot rest box 5 is pushed and pulled through the sliding fit of the sliding block 12 and the sliding block groove 13, the lower leg can be relaxed and unfolded, the body is beneficial to health,
referring to fig. 3 and 6, the buckle assembly is fixed on the cushion 4, which is convenient for mounting and dismounting the cushion 4; the buckle assembly comprises two sub buckles 18 and two female buckles 19, wherein the two sub buckles 18 are symmetrically arranged, the two sub buckles 18 are fixedly arranged on one side of the inner wall of the back cushion 4, the two female buckles 19 are symmetrically arranged, the two female buckles 19 are fixedly arranged on the other side of the inner wall of the back cushion 4, and the two sub buckles 18 are clamped with the two female buckles 19.
In this embodiment: the cushion 4 is matched with the female buckle 19 through the sub buckle 18 in a clamping way, so that the cushion body can be very conveniently buckled on the backrest bracket, the cushion body is replaced, the cushion body with different fabrics is replaced when the cushion body is damaged, the cushion body with different fabrics is replaced when the cushion body is in seasonal change, and different users can select the favorite fabrics according to personal preference when using, thereby solving the problem that people need to replace chairs in winter and summer and increasing the comfort level of the chairs.
Referring to fig. 2 and 4, the lifting mechanism is disposed on the supporting case 1 and is used for lifting and adjusting the height, the lifting mechanism includes a rotating rod 7, first conical teeth 8, a rotating handle 9, a screw rod 10 and second conical teeth 11, one end of the rotating rod 7 is rotatably disposed on the inner left side wall above the supporting case 1, the other end of the rotating rod penetrates through the inner right side wall of the supporting case 1 and extends to the outside of the supporting case 1, two first conical teeth 8 are symmetrically disposed on the circumferential surface of the rotating rod 7, the rotating handle 9 is fixedly disposed on the circumferential surface of the rotating rod 7 and is disposed on the outside of the supporting case 1, two screw rods 10 are symmetrically disposed, one end of each screw rod 10 is rotatably disposed on the inner top of the supporting case 1, the other end of each screw rod penetrates through a fixing plate 16 and extends to the inside of the fixing plate 16, two second conical teeth 11 are symmetrically disposed on the circumferential surfaces of the two screw rods 10, and each second conical tooth 11 is meshed with each first conical tooth 8.
In this embodiment: the first conical teeth 8 are meshed with the second conical teeth 11, the rotating handle 9 is rotated to drive the second conical teeth 11 to rotate, the limiting block 17 moves up and down on the circumferential surface of the screw rod 10, and accordingly the height of the seat body is adjusted.
The working principle and the using flow of the utility model are as follows: the pad body backrest 3 can be provided with cloth fabric or leather fabric or plant braided fabric or grid fabric with human back contact portion, the cushion 4 is matched with the female buckle 19 through the male buckle 18 in a clamping manner, the pad body can be very conveniently buckled on the backrest support, so that pad body replacement is realized, when the pad body is damaged, pad bodies of different fabrics are replaced when in seasonal change, different users can select favorite fabrics according to personal preference when using, the problem that people need to replace chairs in winter and summer is solved, comfort level of the chairs is increased, the first conical teeth 8 are meshed with the second conical teeth 11, the rotating handle 9 drives the second conical teeth 11 to rotate, the limiting block 17 moves up and down on the circumferential surface of the screw rod 10, thereby adjusting the height of the seat body, by arranging the lifting mechanism, the seat height can be freely adjusted according to the requirements of individual human body positions, meanwhile, the foot rest box 5 is arranged, the lower legs can be stretched and relaxed better, the bottom is provided with self-locking pulleys, and the seat is convenient to fix and move.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. A back-exchangeable seat comprising:
a bearing box (1);
the seat body is movably arranged in the interlayer of the bearing box (1); and
the back cushion (4) is movably arranged on the seat body and is used for changing different fabrics when seasons change so as to improve comfort;
characterized by further comprising:
the foot rest box (5) is movably arranged at the inner bottom of the bearing box (1) and can enable the lower leg to be stretched and relaxed better;
the buckle component is fixed on the back cushion (4) and is convenient for the installation and the disassembly of the back cushion (4); and
the lifting mechanism is arranged on the bearing box (1) and is used for lifting and adjusting the height.
2. The seat with the replaceable backrest according to claim 1, wherein the seat body comprises a seat cushion (2) and a backrest (3), the seat cushion (2) is movably arranged in the interlayer of the bearing box (1), the backrest (3) is fixedly arranged at the top of the seat cushion (2), and the backrest (4) is movably arranged on the outer side wall of the seat cushion (3).
3. The seat with the replaceable backrest according to claim 2, wherein two groups of sliding blocks (12) and fixing plates (16) are symmetrically arranged in the bearing box (1), two groups of sliding blocks (12) are symmetrically arranged, two groups of sliding blocks (12) are fixedly arranged on two sides of the inner wall below the bearing box (1) respectively, two fixing plates (16) are symmetrically arranged, and two fixing plates (16) are fixedly arranged on two sides of the inner wall above the seat cushion (2) respectively.
4. A seat with a replaceable backrest according to claim 3, characterized in that the outer side wall of the foot rest box (5) is fixedly connected with a handle (6), the outer side wall of the foot rest box (5) is symmetrically provided with two groups of slide block grooves (13) matched with the slide blocks (12), and the slide blocks (12) are in sliding fit with the slide block grooves (13).
5. The seat with the replaceable backrest according to claim 4, wherein the buckle assembly comprises two sub buckles (18) and two female buckles (19), the two sub buckles (18) are symmetrically arranged on one side of the inner wall of the backrest cushion (4), the two female buckles (19) are symmetrically arranged on the other side of the inner wall of the backrest cushion (4), and the two sub buckles (18) are clamped with the two female buckles (19).
6. The seat with the replaceable backrest according to claim 5, wherein the lifting mechanism comprises a rotating rod (7), first conical teeth (8), a rotating handle (9), a screw rod (10) and second conical teeth (11), one end of the rotating rod (7) is rotationally arranged on the inner left side wall above the bearing box (1), the other end of the rotating rod penetrates through the inner right side wall of the bearing box (1) and extends to the outer part of the bearing box (1), the first conical teeth (8) are symmetrically arranged in two, the first conical teeth (8) are fixedly arranged on the circumferential surface of the rotating rod (7), the rotating handle (9) is fixedly arranged on the circumferential surface of the rotating rod (7) and is located on the outer part of the bearing box (1), the screw rod (10) is symmetrically arranged in two, one end of the screw rod (10) is rotationally arranged on the inner top of the bearing box (1), the other end of the screw rod penetrates through the fixing plate (16) and extends to the inner part of the fixing plate (16), the second conical teeth (8) are symmetrically arranged on the circumferential surface of the two conical teeth (11), and the two screw rods (11) are respectively meshed with the two conical teeth (11).
7. The seat with the replaceable backrest according to claim 6, wherein limiting blocks (17) are arranged on the inner wall of the seat cushion (2), two limiting blocks (17) are symmetrically arranged, and the two limiting blocks (17) are fixedly arranged on two sides of the inner wall of the seat cushion (2) respectively and movably arranged on the circumferential surfaces of the two screw rods (10).
8. The seat with the replaceable backrest according to claim 7, wherein first self-locking universal wheels (14) are arranged at the bottom of the bearing box (1), four first self-locking universal wheels (14) are arranged, the four first self-locking universal wheels (14) are respectively fixedly arranged at four ends of the bearing box (1), second self-locking universal wheels (15) are arranged at the bottom of the foot rest box (5), four second self-locking universal wheels (15) are arranged, and the four second self-locking universal wheels (15) are respectively fixedly arranged at four ends of the foot rest box (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321421160.4U CN220124315U (en) | 2023-06-06 | 2023-06-06 | Chair with replaceable backrest |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321421160.4U CN220124315U (en) | 2023-06-06 | 2023-06-06 | Chair with replaceable backrest |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220124315U true CN220124315U (en) | 2023-12-05 |
Family
ID=88961916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321421160.4U Active CN220124315U (en) | 2023-06-06 | 2023-06-06 | Chair with replaceable backrest |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220124315U (en) |
-
2023
- 2023-06-06 CN CN202321421160.4U patent/CN220124315U/en active Active
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