CN223452985U - Chair seat bottom support assembly with automatic resetting function and chair seat - Google Patents
Chair seat bottom support assembly with automatic resetting function and chair seatInfo
- Publication number
- CN223452985U CN223452985U CN202422765631.4U CN202422765631U CN223452985U CN 223452985 U CN223452985 U CN 223452985U CN 202422765631 U CN202422765631 U CN 202422765631U CN 223452985 U CN223452985 U CN 223452985U
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- Prior art keywords
- rotating shaft
- seat
- support
- seat bottom
- positioning
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Abstract
The utility model discloses a chair seat bottom support component with an automatic resetting function and a chair seat, which relate to the technical field of chair accessories and comprise a mounting cylinder and a rotating shaft connected through a resetting mechanism, wherein a positioning groove is formed at the bottom or the top of the rotating shaft, the chair seat bottom support component also comprises a support piece with a plurality of positioning holes, the support piece is fixed at the top of the rotating shaft under the positioning of the positioning groove and the positioning holes, through being provided with constant head tank, locating hole, fix a position the constant head tank of axis of rotation bottom, the locating hole on the support respectively, first avoiding when support fixed mounting is in the axis of rotation, the relative installation section of thick bamboo of axis of rotation takes place to rotate for support is the installation that is in the forward position with the axis of rotation, and the second makes support can be level and accurate install in the axis of rotation, makes things convenient for follow-up support to carry out welded fastening in the axis of rotation simultaneously.
Description
Technical Field
The utility model relates to the technical field of chair accessories, in particular to a chair seat bottom support assembly with an automatic resetting function and a chair seat.
Background
The swivel chair is usually used in offices or houses, and is popular because the swivel chair can be oriented according to the favorite sitting posture and can be randomly and easily adjusted to swing relative to the fixed seat.
At present, when a person gets up and leaves the swivel chair, the seat can deviate from the forward position after the seat is reset, because in the production process of the swivel chair, the seat and the rotating shaft in the reset mechanism can not be positioned and fixed forward when being installed, left or right deflection occurs, and the seat is still installed on the rotating shaft forward, so that after the seat is installed on the rotating shaft, the rotating shaft of the reset mechanism is reset, and the seat deviates from the forward position, therefore, the positioning device of the automatic reset mechanism for the chair is provided for solving the problems.
Disclosure of utility model
The utility model provides a seat bottom support assembly with an automatic resetting function and a seat, which solve the technical problem that a rotating mechanism of a conventional swivel chair cannot be positioned and fixed.
In order to solve the technical problems, the seat bottom support assembly with the automatic reset function comprises a mounting cylinder and a rotating shaft connected through a reset mechanism, wherein a positioning groove is formed in the bottom or the top of the rotating shaft, the seat bottom support assembly further comprises a support piece with a plurality of positioning holes, and when the reset mechanism forces the rotating shaft to be in a reset position, the support piece is fixed to the top of the rotating shaft under the positioning of the positioning groove and at least part of the positioning holes.
Preferably, a rotating shaft mounting hole is formed in the center of the support piece, the top of the rotating shaft is inserted into the rotating shaft mounting hole, and the top of the rotating shaft is inserted into the rotating shaft mounting hole and fixedly connected with the rotating shaft mounting hole and the rotating shaft mounting hole.
By adopting the technical scheme, the rotating shaft mounting hole is formed in the center of the support piece, the top of the rotating shaft is inserted into the rotating shaft mounting hole and is fixedly connected with the rotating shaft mounting hole, and the fixed connection can be welding.
Preferably, the support member has any one of an annular plate shape and an annular disk shape.
By adopting the technical scheme, the support piece is in any one of an annular plate shape and an annular disc shape.
Preferably, the support piece is connected with a connecting disc through a detachable connecting structure, and a plurality of seat connecting holes are formed in the connecting disc.
By adopting the technical scheme, the connecting disc is connected to the support piece through the detachable connecting structure, so that the detachable chair is convenient to detach, and the connecting disc is provided with the plurality of chair seat connecting holes, so that the chair seat is convenient to install on the connecting disc.
Preferably, the detachable connection structure comprises a plurality of through holes which are arranged on the connecting disc and correspond to the positioning holes one by one, and the detachable connection structure further comprises a fastening bolt which penetrates through the positioning holes and the through holes, and a nut is connected with the threaded section of the fastening bolt in a threaded manner.
By adopting the technical scheme, the detachable connecting structure comprises a plurality of through holes which are arranged on the connecting disc and correspond to the positioning holes one by one, the detachable connecting structure further comprises a fastening bolt which penetrates through the positioning holes and the through holes, a nut is connected to the threaded section of the fastening bolt in a threaded manner, and a gasket is added to the threaded section of the fastening bolt in a threaded manner to strengthen the looseness resistance of the connecting disc and the support piece after the fastening.
Preferably, the reset mechanism comprises a reset washer fixed in the mounting cylinder, the lower end of the rotating shaft penetrates through the reset washer, an annular inclined track surface is arranged at the upper end of the reset washer, a lifting seat is connected with the rotating shaft in an axial sliding mode and is axially fixed with the rotating shaft relatively, a running piece which is in tangential movable contact with the inclined track surface and runs on the inclined track surface is arranged on the lifting seat, and the reset mechanism further comprises an elastic piece which applies downward elastic force to the lifting seat along the axial direction of the rotating shaft and forces the running piece and the inclined track surface to be in tangential movable contact all the time.
According to the technical scheme, the reset mechanism comprises a reset gasket fixed in the mounting cylinder, the lower end of the rotating shaft penetrates through the reset gasket, the upper end of the reset gasket is provided with an annular inclined track surface, the rotating shaft is axially and slidably connected with a lifting seat, the lifting seat and the rotating shaft are axially and relatively fixed, a walking piece which is in tangential movable contact with the inclined track surface and walks on the inclined track surface is arranged on the lifting seat, the reset mechanism further comprises an elastic piece which applies downward elastic force to the lifting seat along the axial direction of the rotating shaft and forces the walking piece and the inclined track surface to be in constant tangential movable contact, when the rotating shaft rotates, the walking piece walks on the inclined track surface formed by the reset gasket, when the walking to the high point of the inclined track surface, the elastic piece is compressed under the action of the lifting seat, and the elastic piece releases elastic potential energy at the moment, so that the walking piece returns to the lowest point from the highest point, and finally stays at the lowest point, so that the reset function is realized.
Preferably, the positioning groove is arranged at the bottom of the rotating shaft and is arranged in the axial direction of the rotating shaft.
By adopting the technical scheme, the positioning groove is arranged at the bottom of the rotating shaft and is axially arranged on the rotating shaft, so that the positioning groove and the rotating shaft are positioned on the same axis, and the positioning is more accurate.
Preferably, at least two of the positioning holes and the positioning grooves are distributed in a triangular shape in projection on a plane perpendicular to the rotation axis.
By adopting the technical scheme, the projections of the at least two positioning holes and the positioning groove on the plane perpendicular to the rotating shaft are distributed in a triangle shape, and the triangle structure has stability.
The application also provides a chair seat, which comprises a chair seat body, wherein the lower surface of the chair seat body is connected with the chair seat bottom support assembly with the automatic resetting function.
Preferably, the side part of the seat bottom support component with the automatic resetting function is connected with at least three supporting chair legs.
Compared with the related art, the utility model has the following beneficial effects:
1. Compared with the traditional automatic resetting and aligning structure, the utility model has the advantages that the positioning grooves and the positioning holes are arranged, after the resetting mechanism resets, the positioning grooves at the bottom of the rotating shaft and the positioning holes on the supporting pieces are respectively positioned and fixed, after the positioning grooves are fixed, the rotating shaft does not rotate relative to the mounting cylinder when the supporting pieces are fixedly mounted on the rotating shaft, so that the supporting pieces and the rotating shaft are mounted at the same positive position, and subsequently, when the chair seat is mounted on the supporting pieces, the chair seat is mounted at the positive position, the supporting pieces are mounted at the positive position, and the rotating shaft is positioned and fixed at the positive position, so that the resetting mechanism of the swivel chair can align the angle after resetting. After fixing the locating hole, make the support install in the axis of rotation when, conveniently press the level and accurate setting in the axis of rotation with the support, make things convenient for follow-up support to carry out welded fastening in the axis of rotation simultaneously.
Drawings
FIG. 1 is a schematic view of a seat bottom bracket assembly with automatic reset function;
FIG. 2 is a top plan view of a seat bottom bracket assembly with an automatic return function;
FIG. 3 is a schematic illustration of a seat bottom bracket assembly with an automatic reset function;
FIG. 4 is a cross-sectional view of a reset mechanism in a seat bottom bracket assembly with an automatic reset function.
The reference numeral 1 in the figure is that the mounting cylinder, 3, the reset mechanism, 31, the rotating shaft, 32, the elastic piece, 33, the lifting seat, 35, the walking piece, 36, the reset gasket, 38, the inclined track surface, 6, the positioning groove, 7, the support piece, 74, the positioning hole, 8, the through hole, 9, the connecting disc, 10, the fastening bolt, 11, the nut, 12 and the seat connecting hole.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
Example 1
As shown in fig. 1-4, a seat bottom support assembly with an automatic reset function comprises a mounting cylinder 1 and a rotating shaft 31 connected through a reset mechanism 3, wherein a positioning groove 6 is formed in the bottom or the top of the rotating shaft 31, and the seat bottom support assembly further comprises a support piece 7 with a plurality of positioning holes 74, when the reset mechanism 3 forces the rotating shaft 31 to be in a reset position, the support piece 7 is fixed on the top of the rotating shaft 31 under the positioning of the positioning groove 6 and at least part of the positioning holes 74;
After the reset mechanism 3 resets, the positioning groove 6 at the bottom of the rotating shaft 31 and the positioning hole 74 on the support piece 7 are respectively positioned and fixed, the positioning groove 6 is fixed, so that the rotating shaft 31 rotates relative to the mounting cylinder 1 when the support piece 7 is fixedly mounted on the rotating shaft 31, the rotating shaft 31 is not at a positive angle, and if the chair seat is mounted on the support piece 7 at the moment, the chair seat deviates from the positive position after the reset mechanism 3 resets, therefore, the phenomenon can be avoided by positioning and fixing the rotating shaft 31 by opening the positioning groove 6 on the rotating shaft 31;
Positioning and fixing are carried out on the positioning holes 74 of the support 7, so that when the support 7 is installed on the rotating shaft 31, the support 7 is stably installed on the rotating shaft 31, subsequent fixing such as welding and fixing is convenient, when the support 7 is installed on the rotating shaft 31, the support 7 and the rotating shaft 31 can be fixed according to a positive set angle, and when a subsequent chair seat is installed on the support 7 in the positive direction, the angle of the chair seat is positive after the reset mechanism 3 is reset;
As shown in fig. 1-2, the center of the support 7 is provided with a rotating shaft mounting hole, the top of the rotating shaft 31 is inserted into the rotating shaft mounting hole and fixedly connected with the rotating shaft mounting hole, so that the support 7 is more convenient to mount on the rotating shaft 31, the support 7 is in any one of an annular plate shape and an annular disc shape, the support 7 is in an annular disc shape in fig. 1-2, and the support 7 is in an annular plate shape in fig. 3;
As shown in fig. 4, the working principle of the reset mechanism 3 is that when the rotating shaft 31 rotates, the running member 35 runs on the inclined track surface 38 formed by the reset washer 36, and when the running member runs to the high point of the inclined track surface 38, the elastic member 32 is compressed under the action of the lifting seat 33, and at the moment, the elastic member 32 releases elastic potential energy, so that the running member 35 returns to the lowest point from the highest point, and finally stays at the lowest point, thereby realizing the reset function.
Example two
As shown in fig. 3, the support 7 is connected with a connecting disc 9 through a detachable connection structure, a plurality of seat connecting holes 12 are arranged on the connecting disc 9, the detachable connection structure comprises a plurality of through holes 8 which are arranged on the connecting disc 9 and are in one-to-one correspondence with the positioning holes 74, and the detachable connection structure further comprises a fastening bolt 10 which penetrates through the positioning holes 74 and the through holes 8, a nut 11 is connected with a threaded section of the fastening bolt 10 in a threaded manner, the positioning groove 6 is arranged at the bottom of the rotating shaft 31 and is arranged in the axial direction of the rotating shaft 31, at least two positioning holes 74 and the positioning grooves 6 are distributed in a triangular shape on a plane perpendicular to the rotating shaft 31, and the triangular shape has stability;
As shown in fig. 3, in this embodiment, the support 7 is in a ring shape, the support 7 is welded on the rotation shaft 31, then the connection disc 9 is arranged on the support 7, through arranging a plurality of through holes 8 corresponding to the support 7 and the connection disc 9 one by one, then the fastening bolt 10 is inserted into the through holes 8 to fixedly connect the support 7 and the connection disc 9, meanwhile, a gasket is additionally arranged on the thread section of the fastening bolt 10, and the fastening is performed by using the nut 11, so that looseness between the connection disc 9 and the support 7 can be effectively prevented, and a seat connecting hole 12 is arranged on the connection disc 9, so that the seat is convenient to be installed on the connection disc 9;
The working principle is that as shown in fig. 1-4, after the reset mechanism 3 resets, the positioning groove 6 at the bottom of the rotating shaft 31 and the positioning hole 74 on the support piece 7 are respectively positioned and fixed, after the positioning groove 6 is fixed, when the support piece 7 is fixedly installed on the rotating shaft 31, the rotating shaft 31 cannot rotate relative to the installation cylinder 1, so that the support piece 7 and the rotating shaft 31 are installed at the forward position, and when the seat is installed on the support piece 7, the support piece 7 is installed at the forward position, and the rotating shaft 31 is positioned and fixed at the forward position, so that after the reset mechanism 3 of the swivel chair resets, the seat can return to the positive angle, and after the positioning hole 74 is positioned and fixed, the support piece 7 is installed on the rotating shaft 31, the support piece 7 is conveniently arranged on the rotating shaft 31 according to the positioned forward angle, and meanwhile, the subsequent support piece 7 is conveniently welded and fixed on the rotating shaft 31.
Example III
Based on the first embodiment or the second embodiment, the present embodiment further discloses a seat, where the seat includes a seat bottom support assembly with an automatic reset function according to the first embodiment or the second embodiment;
The lateral part of chair seat collet subassembly of area automatic re-setting function is connected with three piece at least support chair foot, and support chair foot provides the supportability for the seat of a chair, and under the circumstances of saving manufacturing cost, three support chair foot all uses the vertical axis of installation section of thick bamboo 1 as the center slope setting, and the top of three support chair foot gathers on installation section of thick bamboo 1, and three support chair foot bottom supports when subaerial and three support chair foot is equilateral triangle in the ground contact point line in proper order, just can be for steady support chair seat. Of course, the number of the chair legs can be four or the like.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The seat bottom support assembly with the automatic resetting function comprises a mounting cylinder (1) and a rotating shaft (31) connected through a resetting mechanism (3), and is characterized in that a positioning groove (6) is formed in the bottom or the top of the rotating shaft (31), the seat bottom support assembly further comprises a support piece (7) with a plurality of positioning holes (74), and when the resetting mechanism (3) forces the rotating shaft (31) to be in a resetting position, the support piece (7) is fixed at the top of the rotating shaft (31) under the positioning of the positioning groove (6) and at least part of the positioning holes (74).
2. The chair seat bottom bracket assembly with the automatic resetting function according to claim 1, wherein a rotating shaft mounting hole is formed in the center of the bracket (7), and the top of the rotating shaft (31) is inserted into the rotating shaft mounting hole and fixedly connected with the rotating shaft mounting hole.
3. A seat bottom bracket assembly with automatic return function according to claim 1, wherein the bracket (7) has any one of an annular plate shape and an annular disk shape.
4. A seat bottom bracket assembly with automatic reset function according to claim 3, characterized in that the bracket (7) is connected with a connecting disc (9) through a detachable connecting structure, and a plurality of seat connecting holes (12) are arranged on the connecting disc (9).
5. The chair seat bottom bracket assembly with automatic reset function according to claim 4, characterized in that the detachable connection structure comprises a plurality of through holes (8) which are arranged on the connecting disc (9) and correspond to the positioning holes (74) one by one, and the detachable connection structure further comprises a fastening bolt (10) penetrating through the positioning holes (74) and the through holes (8), and a nut (11) is connected with the threaded section of the fastening bolt (10) in a threaded manner.
6. A seat bottom bracket assembly with automatic reset function according to claim 1, characterized in that the reset mechanism (3) comprises a reset washer (36) fixed in the mounting cylinder (1), the lower end of the rotating shaft (31) penetrates through the reset washer (36), an annular inclined track surface (38) is arranged at the upper end of the reset washer (36), a lifting seat (33) is connected to the rotating shaft (31) in an axial sliding manner, the lifting seat (33) and the rotating shaft (31) are axially fixed relatively, a walking piece (35) which is in tangential movable contact with the inclined track surface (38) and walks on the inclined track surface (38) is arranged on the lifting seat (33), and the reset mechanism (3) further comprises an elastic piece (32) which applies downward axial elastic force to the lifting seat (33) along the rotating shaft (31) and forces the walking piece (35) and the inclined track surface (38) to be always tangent and movably contacted.
7. The seat bottom bracket assembly with the automatic resetting function according to claim 1, wherein the positioning groove (6) is arranged at the bottom of the rotating shaft (31) and is arranged in the axial direction of the rotating shaft (31).
8. A seat bottom bracket assembly with automatic resetting function according to claim 1, wherein the projections of at least two of the positioning holes (74) and the positioning grooves (6) on a plane perpendicular to the rotation axis (31) are distributed in a triangle shape.
9. A seat, comprising a seat body, wherein the lower surface of the seat body is connected with a seat bottom bracket assembly with an automatic reset function according to any one of claims 1-8.
10. A seat according to claim 9, wherein at least three support legs are connected to the side of the seat bottom bracket assembly with automatic return.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422765631.4U CN223452985U (en) | 2024-11-13 | 2024-11-13 | Chair seat bottom support assembly with automatic resetting function and chair seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422765631.4U CN223452985U (en) | 2024-11-13 | 2024-11-13 | Chair seat bottom support assembly with automatic resetting function and chair seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223452985U true CN223452985U (en) | 2025-10-21 |
Family
ID=97357063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422765631.4U Active CN223452985U (en) | 2024-11-13 | 2024-11-13 | Chair seat bottom support assembly with automatic resetting function and chair seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223452985U (en) |
-
2024
- 2024-11-13 CN CN202422765631.4U patent/CN223452985U/en active Active
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