CN213370936U

CN213370936U - Resetting spherical hinge structure for seat

Info

Publication number: CN213370936U
Application number: CN202021196596.4U
Authority: CN
Inventors: 倪良正; 谢淑辉; 张叙俊; 朱志华; 夏巧灵; 张振东; 尹志远
Original assignee: Zhejiang Sunon Furniture Manufacturing Co Ltd
Current assignee: Zhejiang Sunon Furniture Manufacturing Co Ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-06-08
Anticipated expiration: 2030-06-24

Abstract

The utility model belongs to the field of furniture, in particular to a resetting spherical hinge structure for a seat, which comprises a fixing module, a spherical hinge module and a resetting module, wherein the fixing module is used for being installed with a chassis of the seat in a matching way; the ball hinge module comprises a ball pin and a ball seat, one end of the ball pin is in running fit with the ball seat, the other end of the ball pin is in fit installation with the fixing module, and the ball seat is used for being in fit installation with a back frame of the seat; the module that resets sets up the elastic component that resets on the installed part including the installed part that resets and cooperation, and the installed part that resets is used for the back of the body frame cooperation installation with the seat. The utility model has the advantages that: the utility model is provided with the fixed module, the spherical hinge module and the reset module, the fixed module, the spherical hinge module and the reset module can be assembled in a modularized way, and the assembly is more convenient and flexible; the utility model has the universality and is suitable for other common chassis; the utility model discloses the back of the body frame swing that realizes is with rotating the realization action, and the angle is controllable, can customize according to the demand.

Description

Resetting spherical hinge structure for seat

Technical Field

The utility model belongs to the field of furniture, concretely relates to spherical hinge structure that resets for seat.

Background

The chair is common furniture in daily life, and a common multifunctional chair usually comprises a base, an air rod, a chassis, a seat cushion, a back frame, armrests and other parts.

SUMMERY OF THE UTILITY MODEL

In order to compensate for the deficiency of the prior art, the utility model provides a ball pivot technical scheme resets for seat.

The resetting spherical hinge structure for the seat is characterized by comprising

The fixing module is used for being matched with a chassis of the seat;

the ball hinge module comprises a ball pin and a ball seat, one end of the ball pin, which is provided with a ball head, is in running fit with the ball seat, the other end of the ball pin is in fit installation with the fixing module, and the ball seat is used for being in fit installation with a back frame of the seat;

the module that resets, the module that resets sets up the elastic component that resets on the installed part including the installed part that resets and cooperation, and the installed part that resets is used for installing with the back of the body frame cooperation of seat.

The utility model provides a ball pivot structure resets for seat, its characterized in that ball seat is including fixed complex pedestal and lid, forms the spherical chamber that coincide with the bulb shape of ball round pin between pedestal and the lid, bulb and spherical chamber normal running fit offer the socket that is used for supplying the ball round pin to stretch into on the pedestal, the shaft of ball round pin can control the rotation on the socket, can't rotate from top to bottom.

The resetting spherical hinge structure for the seat is characterized in that the diameter of the socket is larger than the maximum outer diameter of the column body of the spherical pin, flanges are respectively arranged at the upper end and the lower end of the socket, and the minimum distance between the two flanges is equal to the maximum outer diameter of the column body.

The utility model provides a spherical hinge structure that resets for seat, its characterized in that module that resets still includes the cooperation and sets up the bolster on the installed part that resets, the one end and the fixed module cooperation installation of bolster.

A spherical hinge structure that resets for seat, respectively set up a set ofly about its characterized in that bolster, the bolster includes the bolster body and sets up in the bolster mounting disc at bolster body both ends.

The utility model provides a ball pivot structure resets for seat, its characterized in that elastic component that resets includes two sets of reset spring in a left side and a right side, reset spring includes the pressure spring and sets up in the pressure spring mounting disc at pressure spring both ends.

The resetting spherical hinge structure for the seat is characterized in that the fixing module comprises a main fixing seat used for being matched and installed with a chassis of the seat, an auxiliary fixing seat used for installing the resetting elastic piece and an installation seat used for being fixedly matched with the spherical pin.

The resetting spherical hinge structure for the seat is characterized in that a spherical pin is fixed with a mounting seat in a threaded manner.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is provided with the fixed module, the spherical hinge module and the reset module, the fixed module, the spherical hinge module and the reset module can be assembled in a modularized way, and the assembly is more convenient and flexible; the utility model has universality and is suitable for other common chassis; the swinging and the rotation of the back frame realized by the utility model realize the action, the angle is controllable, and the back frame can be customized according to the requirement; the utility model is reset by the reset module without error; the utility model discloses a performance safe and reliable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is an exploded schematic view of the spherical hinge module of the present invention;

fig. 4 is a schematic structural diagram of the spherical hinge module of the present invention;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

fig. 6 is an exploded view of the spherical hinge module of the present invention;

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 6;

FIG. 8 is an exploded view of the fixed mold block of the present invention;

fig. 9 is a schematic view of the reposition and disassembly structure of the present invention;

fig. 10 is an exploded view of the return spring of the present invention;

fig. 11 is an exploded view of the buffer of the present invention;

FIG. 12 is a schematic view of the present invention mounted on a seat;

fig. 13 is a second schematic structural view of the present invention when installed in a seat;

fig. 14 is a schematic view of the mounting structure of the present invention with the back frame and the chassis.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-14, a reset spherical hinge structure for a seat includes a fixing module 10073, a spherical hinge module 10071 and a reset module 10072, wherein the fixing module 10073 is configured to be installed in cooperation with a chassis 1006 of the seat; the ball hinge module 10071 includes a ball pin 100713 and a ball seat, the ball pin 100713 having one end rotatably engaged with the ball seat and the other end engaged with the fixed module 10073, the ball seat adapted to engage with the back frame 1003 of the seat; the reset module 10072 includes a reset mount 100722 and a reset spring cooperatively disposed on the reset mount 100722, the reset mount 100722 configured to cooperatively mount with the back frame 1003 of the seat.

As an optimization: the ball seat comprises a seat body 100712 and a cover body 100711, the cover body 100711 is embedded in the seat body 100712 and fixed by bolts, a spherical cavity matched with the ball head of the ball pin 100713 is formed between the seat body 100712 and the cover body 100711, and the ball head of the ball pin 100713 is in running fit with the spherical cavity, so that the ball seat and the ball pin 100713 form a spherical pair. The socket 1007121 for the ball pin 100713 to extend into is arranged on the seat body 100712, and the column body of the ball pin 100713 can rotate left and right on the socket 1007121 and cannot rotate up and down, so that the function of left and right rotation of the ball seat relative to the ball pin 100713 is realized, and the up and down rotation of the ball seat relative to the ball pin is prevented.

In the above structure, the socket 1007121 is substantially circular, its diameter is larger than the maximum outer diameter of the ball pin shaft, the upper and lower ends of the socket 1007121 are respectively provided with a rib 1007122 protruding toward the center of the socket 1007121, the minimum distance between the two ribs 1007122 is equal to the maximum outer diameter of the shaft, so that the shaft cannot rotate up and down, thereby achieving the purpose of preventing the ball seat from rotating up and down relative to the ball pin.

In the structure, the ball head of the ball pin 100713 is provided with a straight positioning hole, so that the operation of a straight screwdriver is facilitated.

As an optimization: the reset module 10072 further includes a dampener 100721 cooperatively disposed on the reset mount 100722, one end of the dampener 100721 cooperatively mounted with the fixed module 10073. Wherein, the installed part 100722 resets is the panel beating of L shape and bends, and the elastic component that resets is installed in the lower extreme horizontal part that resets installed part 100722, and bolster 100721 is installed in the upper end vertical part that resets installed part 100722. The buffer 100721 can provide a buffer for the partial angular rotation of the back frame 1003.

In the above structure, the left and right sides of the buffer 100721 are respectively provided with a group, the buffer 100721 includes a buffer body 1007212 and buffer mounting discs 1007211 arranged at two ends of the buffer body 1007212, the buffer body 1007212 and the buffer mounting discs 1007211 are molded in an integral rubber mold, in each buffer 100721, one buffer mounting disc 1007211 and the reset mounting piece 100722 are fixed through bolts, and the other buffer mounting disc 1007211 and the fixed module 10073 are installed in a matched mode. Wherein, bolster body 1007212 is the rubber construction, and the rubber construction comprises natural and butadiene styrene rubber material, has guaranteed performances such as bolster 100721 life, toughness, anti-oxidant, establishes many hole sites in the bolster mounting disc 1007211, ensures better, the difficult drop of viscidity with rubber shaping back.

As an optimization: the reset elastic piece comprises a left reset spring 100723 and a right reset spring 100723, the reset spring 100723 comprises a pressure spring 1007232 and a pressure spring mounting disc 1007231 arranged at two ends of the pressure spring 1007232, the pressure spring 1007232 and the pressure spring mounting disc 1007231 are welded to form, and a quenching and tempering heat treatment process is performed after welding, so that the strength, hardness, toughness and other mechanical properties of the reset spring 100723 are ensured to meet requirements.

In the above structure, the fixing module 10073 includes a main fixing seat 100731 for cooperating with the chassis 1006 of the seat, a sub fixing seat 100733 for mounting the return elastic element, and a mounting seat 100732 for fixedly cooperating with the ball pin 100713, which are integrally welded together. Wherein 100731 primary fixing base and 100733 vice fixing base are punched and bent by hot-rolled steel plate and are formed. More specifically, the auxiliary fixing seat 100733 is fixed to one of the compression spring mounting disks 1007231 by a bolt. Ball pin 100713 is threadably secured to mounting block 100732. The primary anchor 100731 is also used to mount a bumper 100721.

Further explanation of the connection of the ball pin 100713 to the mounting block 100732: 100713 ball pin's shaft turning external screw thread, mount pad 100732 one end turning internal thread other end turning diameter hole site, 100713 ball pin passes through threaded connection with mount pad 100732 and fixes, and mount pad 100732 other end hole site can support 100713 ball pin, fully considers atress fail-safe nature.

The universal swinging seat with the resetting spherical hinge structure comprises a base, an air rod 1008, a chassis 1006, a spherical hinge structure 1007, a seat cushion 1005 and a back frame 1003 which are arranged from bottom to top, wherein the chassis 1006 is installed in a matching way with a main fixing seat 100731 of the spherical hinge structure 1007, and the back frame 1003 is installed in a matching way with a ball seat of the spherical hinge structure 1007 and a resetting installation piece 100722 respectively.

In addition, a headrest bracket 1002 is installed on the back frame 1003 in a matching mode, a headrest 1001 is installed on the headrest bracket 1002 in a matching mode, handrails 1004 are installed on two sides of the seat cushion 1005 in a matching mode, and the base comprises five-star feet 1009 and a chair wheel 1010.

The utility model discloses an among the universal seat that sways, pre-buried annular knurl nut during back of the body frame 1003 injection moulding, the ball hinge module 10071 is embedded in back of the body frame 1003 recess, and the ball seat of ball hinge module 10071 passes through the bolt to be connected fixedly with back of the body frame 1003 annular knurl nut. More specifically, the auxiliary fixing base 100733 is fixedly connected with the knurled nut of the back frame 1003 through a bolt, and the spherical hinge assembly 1007 is hung on the chassis 1006 and is fixedly connected through a high-strength fastening screw.

The utility model discloses an among the universal seat that sways, can realize following action with the help of the spherical hinge structure that resets: the back frame 1003 can swing around the chassis 1006 by an angle alpha and reset by the reset spring 100723, the angle alpha can be adjusted according to relevant specifications and customer requirements, and the angle alpha is mainly adjusted by changing the elastic coefficient of the pressure spring 1007232; the back frame 1003 can rotate around the air rod 1008 by a beta angle, which can be adjusted according to relevant specifications and customer requirements, and is mainly adjusted by changing the outer diameter of the socket 1007121 on the seat 100712 in the ball hinge assembly 10071.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A spherical hinge structure that resets for seat, its characterized in that includes

The fixing module (10073), the fixing module (10073) is used for being installed with the chassis (1006) of the seat in a matching way;

the ball hinge module (10071), the ball hinge module (10071) includes a ball pin (100713) and a ball seat, one end of the ball pin (100713) having a ball head is rotatably fitted with the ball seat, the other end is fitted with the fixing module (10073), the ball seat is fitted with the back frame (1003) of the seat;

reset module (10072), reset module (10072) include reset mount (100722) and the cooperation sets up the elasticity that resets on reset mount (100722), and reset mount (100722) is used for installing with the back frame (1003) cooperation of seat.

2. The restoring ball hinge structure for seat as claimed in claim 1, wherein the ball seat includes a seat body (100712) and a cover body (100711) which are fixedly engaged, a spherical cavity matching with the ball head of the ball pin (100713) in shape is formed between the seat body (100712) and the cover body (100711), the ball head is rotatably engaged with the spherical cavity, a socket (1007121) for the ball pin (100713) to extend into is formed on the seat body (100712), and the pillar body of the ball pin (100713) can rotate left and right on the socket (1007121) and cannot rotate up and down.

3. A returning ball hinge structure for a seat according to claim 2, wherein the diameter of the socket (1007121) is larger than the maximum outer diameter of the ball pin shaft, and the upper and lower ends of the socket (1007121) are respectively provided with a rib (1007122), and the minimum distance between the two ribs (1007122) is equal to the maximum outer diameter of the shaft.

4. A reset ball hinge structure for seat according to any one of claims 1-3 wherein the reset module (10072) further comprises a bumper (100721) cooperatively disposed on the reset mount (100722), one end of the bumper (100721) cooperatively mounted with the stationary module (10073).

5. The returning spherical hinge structure for a seat according to claim 4, wherein the buffers (100721) are provided in a set at the left and right, and the buffer (100721) comprises a buffer body (1007212) and buffer mounting plates (1007211) provided at both ends of the buffer body (1007212).

6. A return ball hinge structure for a seat according to any one of claims 1 to 3, wherein the return elastic member includes left and right two sets of return springs (100723), and the return spring (100723) includes a compression spring (1007232) and a compression spring mounting plate (1007231) provided at both ends of the compression spring (1007232).

7. A reset ball hinge structure for seat according to claim 6 wherein the fixing module (10073) comprises a primary fixing seat (100731) for fitting with the chassis (1006) of the seat, a secondary fixing seat (100733) for fitting the reset spring and a mounting seat (100732) for fitting with the ball pin (100713).

8. A returning ball hinge structure for a seat according to claim 7, wherein the ball pin (100713) is screw-fixed with the mounting seat (100732).