CN210842011U - Table and chair leg movable joint and table and chair with adjustable leg inclination - Google Patents
Table and chair leg movable joint and table and chair with adjustable leg inclination Download PDFInfo
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- CN210842011U CN210842011U CN201921311017.3U CN201921311017U CN210842011U CN 210842011 U CN210842011 U CN 210842011U CN 201921311017 U CN201921311017 U CN 201921311017U CN 210842011 U CN210842011 U CN 210842011U
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- chair
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- connecting block
- foot
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Abstract
The utility model provides a table chair foot freely movable joint and foot inclination adjustable desk, chair realizes the inclination adjustment of table chair foot, and this table chair foot freely movable joint includes connecting block, connecting seat and accepts the seat, the connecting block has an arc surface and is provided with the screw hole of being connected with table foot or chair foot on this arc surface, be equipped with the confession on the connecting seat the caulking groove of connecting block laying and activity is inlayed, the bottom surface of caulking groove accords with and sets up the stroke groove that communicates to the connecting seat bottom surface with the arc surface of connecting block, the connecting seat is provided with a plurality of spacing archs in one side or both sides of this stroke groove extending direction, the top surface of accepting the seat is the concave spherical surface that accords with the connecting seat bottom surface shape, in concave spherical surface is equipped with the through-hole that runs through self, and be equipped with on concave spherical surface with a plurality of spacing protruding complex spacing grooves. The desk comprises a desktop and desk legs, the chair comprises a chair seat and chair legs, and the desktop and the desk legs are respectively connected with the chair seat and the chair legs through movable joints of the desk and the chair legs.
Description
Technical Field
The utility model belongs to furniture or office furniture field, concretely relates to table and chair foot freely movable joint and foot inclination adjustable table, chair.
Background
The table legs of most of the existing dining tables and office conference tables are fixed and nonadjustable, the inclination angles of the table legs and the heights of the table tops cannot be adjusted according to the heights or the widths of the seats, and the situations that the legs of a person collide with the table legs, the distance between the legs of the person and the table tops is too small or the seats are too far away from the table tops easily occur, so that the furniture is low in adaptability. And because the situation that a plurality of people sit together in places such as a party, a conference and the like easily leads to the crowding of the foot placing space at the bottom of the table, and at the moment, the dining table and the office conference table with the existing fixed structure are difficult to finely adjust and can only be used. Similarly, the problems of the non-adjustable inclination angle of the chair legs and the non-adjustable height of the chair seat exist in the dining chair and the office chair.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects existing in the prior art, the utility model provides a table and chair foot movable joint and adjustable table of foot inclination realize the inclination adjustment of table/chair foot, and its concrete technical content is as follows:
a movable joint of table and chair legs comprises a connecting block, a connecting seat and a bearing seat, wherein the connecting block is provided with an arc surface, a threaded hole connected with the table legs or the chair legs is formed in the arc surface, an embedded groove for the connecting block to be embedded and movable is formed in the connecting seat, the bottom surface of the embedded groove corresponds to the arc surface of the connecting block and is provided with a stroke groove communicated to the bottom surface of the connecting seat, the stroke groove is opposite to the threaded hole, the bottom surface of the connecting seat is a spherical surface, a plurality of limiting protrusions are arranged on one side or two sides of the extending direction of the stroke groove, the top surface of the bearing seat is a concave spherical surface corresponding to the shape of the bottom surface of the connecting seat, a through hole penetrating through the concave spherical surface is formed in the center of the concave spherical surface, and a plurality of limiting grooves matched with.
In the middle of one or more embodiments of the utility model, the connecting seat is the spherical crown shape, and its top surface levels and has a plurality of mounting hole that link up top surface and pedestal, the even overall arrangement of mounting hole circumference.
In one or more embodiments of the present invention, the caulking groove of the connecting seat extends radially outward from the center, the connecting block has an end surface corresponding to a groove wall close to the center side with the caulking groove, and a top surface connected with the end surface, the top surface is lower than the notch of the caulking groove or is flush with the notch.
In the middle of one or more embodiments of the utility model, the cell wall that the caulking groove is close to center one side is vertical to, become the acute angle contained angle between the terminal surface of connecting block and the top surface so that this top surface is less than the notch of caulking groove or keep level with the notch, the screw hole is parallel with the terminal surface of connecting block.
The utility model provides a desk at adjustable inclination of foot, its includes desktop and table foot, the top of table foot is equipped with the threaded connection post, and it links to each other with the desktop bottom surface through foretell table chair foot freely movable joint, the bottom surface of desktop is fixed in the connecting seat connection, the threaded connection post pass accept the through-hole of seat with the screw hole of connecting block is connected spacing reinforcement is realized through threaded connection post and screw hole cooperation locking when spacing arch falls into the spacing inslot, rotatory threaded connection post to the connecting seat and accept the interval between the seat and allow spacing arch to shift out the spacing groove in order to realize the regulation of table foot angle.
The utility model provides a chair with adjustable chair foot inclination, its includes seat and chair foot, the top of chair foot is equipped with the threaded connection post, and it links to each other with the seat bottom surface through foretell table chair foot freely movable joint, the bottom surface of seat is fixed in the connecting seat connection, the threaded connection post pass accept the seat the through-hole with the screw hole of connecting block is connected spacing arch is realized spacing reinforcement through threaded connection post and screw hole cooperation locking when falling into the spacing inslot, rotatory threaded connection post to connecting seat and accept the interval between the seat and allow spacing arch to shift out the spacing groove in order to realize the regulation of table foot angle.
The utility model has the advantages that: the table/chair foot movable joint is simple in structure, easy to produce and low in cost, and can realize the inclination angle adjustment of the table/chair foot relative to the table/chair surface.
Drawings
Fig. 1 is a schematic view of the combined structure of the movable joints of the table and chair legs of the present invention.
Fig. 2 is a schematic diagram of an explosion structure of the movable joint of the table and chair legs of the present invention.
Fig. 3 is a schematic diagram of the explosion structure of the movable joint of the table and chair legs of the present invention.
Fig. 4 is a schematic view of the sectional structure of the movable joint of the table and chair legs of the present invention.
Fig. 5 is a schematic view of the sectional structure of the movable joint of the table and chair legs.
Fig. 6 is a schematic view of the inclination angle adjusting state of the table with adjustable foot inclination angles of the present invention.
Detailed Description
The scheme of the present application is further described below with reference to the accompanying fig. 1-6:
a table and chair leg movable joint comprises a connecting block 1, a connecting seat 2 and a bearing seat 3, wherein the connecting block 1 is provided with an arc surface 11, a threaded hole 10 connected with a table leg or a chair leg is arranged on the arc surface 11, an embedding groove 21 for the connecting block 1 to be embedded and movable is arranged on the connecting seat 2, the bottom surface 211 of the embedding groove 21 is matched with the arc surface 11 of the connecting block 1 and is provided with a stroke groove 212 communicated with the bottom surface of the connecting seat 2, the stroke groove 212 is opposite to the threaded hole 10, the bottom surface of the connecting seat 2 is a spherical surface, a plurality of limiting protrusions 22 are arranged on one side or two sides of the extending direction of the stroke groove 212, the top surface 31 of the bearing seat 3 is a concave spherical surface which is matched with the bottom surface of the connecting seat 2 in shape, a through hole 30 which penetrates through the concave spherical surface is arranged at the center of the concave spherical surface, and a plurality of limiting grooves 32 which are matched with the limiting bulges 22 are arranged on the concave spherical surface. Specifically, the connecting seat 2 is in a spherical crown shape, the top surface of the connecting seat is flat and provided with a plurality of mounting holes 20 penetrating through the top surface and the seat body, and the mounting holes 20 are uniformly distributed in the circumferential direction. The caulking groove 21 of the connecting seat 2 extends from the center outwards along the radial direction, the groove wall 213 of the caulking groove 21 close to one side of the center is vertical, the connecting block 1 is provided with an end surface 12 matched with the groove wall 213 of the caulking groove 21 close to one side of the center and a top surface 13 connected with the end surface 12, an acute included angle is formed between the end surface 12 and the top surface 13 so that the top surface 13 is lower than or level with the notch of the caulking groove 21, and the threaded hole 10 is parallel to the end surface 12 of the connecting block 1.
The utility model provides a desk at foot inclination adjustable, its includes desktop 4 and table foot 5, the top of table foot 5 is equipped with threaded connection post 51, and it links to each other with 4 bottom surfaces of desktop through foretell table chair foot freely movable joint, connecting seat 2 is connected and is fixed in the bottom surface of desktop 4, threaded connection post 51 pass accept seat 3 the through-hole 30 with threaded hole 10 of connecting block 1 connects spacing arch 22 is realized spacing reinforcement through threaded connection post 51 and threaded hole 10 cooperation locking when falling into spacing inslot 32, and rotatory threaded connection post 51 is to connecting seat 2 and accept the interval between the seat 3 and allow spacing arch 22 to shift out spacing groove 32 in order to realize the regulation of table foot angle. During the installation only need with connecting block 1 correspondence put into in the middle of the caulking groove 21, it is fixed with desktop 4 through the screw again with connecting seat 2, wear to establish the through-hole 30 of accepting seat 3 through the threaded connection post 51 on the table foot 5 afterwards, the stroke groove 212 on the connecting seat 2 docks with the screw hole 10 of connecting block 1, manual rotation not hard up a little 5 alright carry out the position control of table foot 5, treat the position in the right time with the table foot 5 screw can, need not the instrument and assist, it is very convenient. The end surface 12 and the top surface 13 are in two-position maximum limit states respectively corresponding to the adjustment of the table legs 5, when the end surface 12 abuts against the groove wall 213 of the caulking groove 21, the threaded hole 10 of the connecting block 1 is vertically opposite to the lower side, and at the moment, the table legs 5 are in a vertical state; when the connecting block 1 moves along with the table legs 5 until the top surfaces 13 of the connecting block abut against the bottom surface of the table top 4, the table legs 5 are at the maximum outward-turning angle; between the two states, the limit is realized by the cooperation of the limit bulge 22 and the limit groove 32.
A chair with adjustable inclination angles of feet comprises a chair surface and chair legs, wherein threaded connecting columns are arranged at the top ends of the chair legs and are connected with the bottom surface of the chair surface through movable joints of the table and the chair legs, and the specific connecting structure and the working principle are the same as those of the table and are not detailed one by one.
The above preferred embodiments should be considered as examples of the embodiments of the present application, and technical deductions, substitutions, improvements and the like similar to, similar to or based on the embodiments of the present application should be considered as the protection scope of the present patent.
Claims (6)
1. A movable joint of table and chair legs is characterized in that: the connecting block is provided with an arc surface, a threaded hole connected with a table foot or a chair foot is formed in the arc surface, an embedded groove for the connecting block to be embedded and movable is formed in the connecting block, the bottom surface of the embedded groove corresponds to the arc surface of the connecting block and is provided with a stroke groove communicated to the bottom surface of the connecting block, the stroke groove is opposite to the threaded hole, the bottom surface of the connecting block is a spherical surface, a plurality of limiting protrusions are arranged on one side or two sides of the extending direction of the stroke groove, the top surface of the bearing seat is a concave spherical surface corresponding to the shape of the bottom surface of the connecting block, a through hole penetrating through the concave spherical surface is formed in the center of the concave spherical surface, and a plurality of limiting grooves matched with the limiting protrusions are formed in the concave spherical surface.
2. A table and chair foot joint as claimed in claim 1, wherein: the connecting seat is in a spherical crown shape, the top surface of the connecting seat is flat and provided with a plurality of mounting holes penetrating through the top surface and the seat body, and the mounting holes are uniformly distributed in the circumferential direction.
3. A table and chair foot joint as claimed in claim 1, wherein: the caulking groove of the connecting seat extends outwards from the center along the radial direction of the caulking groove, the connecting block is provided with an end face which is matched with the groove wall of one side of the caulking groove close to the center and a top face which is connected with the end face, and the top face is lower than or level with the notch of the caulking groove.
4. A table and chair foot joint as claimed in claim 3, wherein: the groove wall of the caulking groove close to one side of the center is vertical, an acute included angle is formed between the end face of the connecting block and the top face of the connecting block, so that the top face is lower than or level with the groove opening of the caulking groove, and the threaded hole is parallel to the end face of the connecting block.
5. A desk with adjustable foot inclination angles comprises a desktop and desk feet, and is characterized in that: the top end of the table leg is provided with a threaded connecting column which is connected with the bottom surface of the table top through the table and chair leg movable joint as claimed in any one of claims 1 to 4, the connecting seat is fixedly connected with the bottom surface of the table top, the threaded connecting column passes through the through hole of the bearing seat to be connected with the threaded hole of the connecting block, when the limiting protrusion falls into the limiting groove, the limiting protrusion is locked with the threaded hole through matching, so that limiting reinforcement is realized, and the spacing between the threaded connecting column and the connecting seat and the bearing seat is rotated to allow the limiting protrusion to move out of the limiting groove so as to realize adjustment of the.
6. The utility model provides a chair of foot inclination adjustable, its includes seat and chair foot, its characterized in that: the top of chair foot is equipped with the screw thread spliced pole, and it links to each other with the seat bottom surface through the table chair foot freely movable joint of any claim 1 to 4, the bottom surface of seat is fixed in the connecting seat connection, the screw thread spliced pole pass the through-hole of accepting the seat with the screw hole of connecting block is connected, when spacing arch falls into the spacing inslot through screw thread spliced pole and screw hole cooperation locking realize spacing reinforcement, the spacing between rotatory screw thread spliced pole to connecting seat and the accepting seat allows spacing arch to shift out the spacing groove in order to realize the regulation of table foot angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921311017.3U CN210842011U (en) | 2019-08-14 | 2019-08-14 | Table and chair leg movable joint and table and chair with adjustable leg inclination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921311017.3U CN210842011U (en) | 2019-08-14 | 2019-08-14 | Table and chair leg movable joint and table and chair with adjustable leg inclination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210842011U true CN210842011U (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921311017.3U Active CN210842011U (en) | 2019-08-14 | 2019-08-14 | Table and chair leg movable joint and table and chair with adjustable leg inclination |
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| CN (1) | CN210842011U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110403354A (en) * | 2019-08-14 | 2019-11-05 | 刘宇敦 | Desk, the chair of a kind of table and chair feet turning joint and foot's tilt adjustable |
-
2019
- 2019-08-14 CN CN201921311017.3U patent/CN210842011U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110403354A (en) * | 2019-08-14 | 2019-11-05 | 刘宇敦 | Desk, the chair of a kind of table and chair feet turning joint and foot's tilt adjustable |
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