CN219835397U - Seat structure for controlling overturning of handle switch - Google Patents

Abstract

The utility model provides a handle switch control seat structure of upset, includes seat frame, seat support, back of the chair and mount pad, the mount pad is fixed in the bottom of seat support, the back of the chair is fixed in the rear side of seat support, the seat support passes through the mount pad and rotates and install on the horizontal pole on the seat frame, be equipped with stop gear in the mount pad, be used for opening or restriction upset function through setting up stop gear in the mount pad, the seat support is fixed in the mode that adopts reset spring pulling spacing piece chucking on the rotor block in the stop gear to the rotor block is equipped with two sets of structural strength that are used for improving, and the spacing piece adopts rectangular lamellar structure can embed into the locking mouth in the seat support simultaneously, thereby improved the stability of seat; when the seat needs to be overturned, the pull rod is pulled by the handle, the pull rod drives the limiting piece to be separated from the clamping opening, at the moment, the seat can be overturned forwards around the transverse rod, and the overturned seat can realize the folding and stacking functions.

Description

Seat structure for controlling overturning of handle switch

Technical Field

The utility model relates to the technical field of seats, in particular to a seat structure with a handle switch controlled to turn over.

Background

In most occasions, the seat is indispensable, such as large-scale public occasions of people like training rooms, meeting rooms or halls, the use amount of the seat is multiplied, and therefore, how to carry the seat becomes a great problem. The designer can increase the gyro wheel in the bottom of seat in order to conveniently promote, still can design into the form of upset folding with the seat in order to make things convenient for more seats of disposable transport some.

The training chair disclosed in China patent No. CN202021822794.7 comprises a supporting unit, a first tubular piece and a second tubular piece, wherein the supporting unit comprises a chair leg unit and a first tubular piece connected with the chair leg unit; a seat surface connected to the first tubular member; two armrest units connected to both ends of the first tubular member by rotation units, respectively, such that the armrest units rotate around the first tubular member on a plane perpendicular to the seating surface; the chair back unit is connected with the two handrail units so as to be positioned between the two handrail units; the first tubular member is arranged on the supporting seat surface, so that the supporting seat surface can rotate around the first tubular member, the fixing structure is positioned and fixed through the L-shaped connecting rod, the fixing structure is too fragile, and the L-shaped connecting rod is easy to deform to cause the incapability of fixing the seat surface.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a seat structure with a handle switch for controlling overturning.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a handle switch control seat structure that overturns, includes chair frame, seat support, back of the chair and mount pad, the bottom at the seat support is fixed to the mount pad, the back of the chair is fixed at the rear side of seat support, the seat support passes through the mount pad and rotates and install on the horizontal pole on the chair frame, be equipped with stop gear in the mount pad, stop gear includes pull rod, spacing piece, turning block and reset spring, the one end and the spacing piece of pull rod are connected, pull rod and spacing piece slidable mounting are on the mount pad, the turning block is fixed on the horizontal pole, be equipped with the spacing portion that prevents the seat backward emptys on the turning block, reset spring connects between mount pad and spacing piece, under the riding state, reset spring pulling spacing piece chucking is in the clamping portion on the turning block.

Further, the clamping part is provided with a clamping opening for embedding the limiting piece, the clamping opening is used for preventing the limiting piece from sliding relative to the rotating block, the limiting part is provided with a limiting protrusion for propping against the bottom of the chair seat, and the limiting protrusion is used for preventing the mounting seat from rotating backwards relative to the rotating block.

Further, the rotating blocks are provided with two groups, the two groups of rotating blocks are parallel to each other and are arranged on the cross rod at intervals, and the limiting pieces can be simultaneously embedded into the clamping ports of the two groups of rotating blocks.

In the utility model, the mounting seat comprises a rotating seat for connecting the seat and the cross rod, the bottom of the rotating seat is sleeved on the cross rod through the rotating hole, the mounting seat also comprises a seat cover for mounting the limiting mechanism, the seat cover is fixed at the bottom of the seat, and the rotating seat is fixed between the seat and the cover.

Further, a handle is arranged on the pull rod, a travel hole for the handle to pass through is formed in the front end of the seat cover, and the handle slides back and forth in the travel hole.

Further, the rotating seat is provided with two groups, the two groups of rotating seats are symmetrically arranged, the rotating seat is provided with sliding holes for the limiting sheets to slide back and forth, and two ends of the limiting sheets are slidably arranged in the sliding holes.

The utility model has the following advantages and beneficial effects: the limiting mechanism is arranged in the mounting seat and used for opening or limiting the overturning function, the chair seat is fixed in the mode that the reset spring is adopted to pull the limiting piece to be clamped on the rotating block, the rotating block is provided with two groups of limiting pieces for improving the structural strength, and the limiting piece can be simultaneously embedded into the clamping opening to lock the chair seat by adopting the strip-shaped sheet structure, so that the stability of the chair is improved; when the seat needs to be overturned, the pull rod is pulled by the handle, the pull rod drives the limiting piece to be separated from the clamping opening, at the moment, the seat can be overturned forwards around the transverse rod, and the overturned seat can realize the folding and stacking functions.

Drawings

The utility model is further described below with reference to the drawings and embodiments:

FIG. 1 is a schematic view of a seat in the present embodiment;

FIG. 2 is an internal structure diagram of the mounting base in the present embodiment;

FIG. 3 is a top view of the mounting base of the present embodiment;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

fig. 5 is an enlarged view of the rotating seat in the present embodiment;

FIG. 6 is another angular view of the mounting base of the present embodiment;

fig. 7 is a schematic view of the seat according to the present embodiment after being turned over.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the present utility model is not limited to the following embodiments.

As shown in fig. 1 to 7, this embodiment discloses a seat structure for controlling turning of a handle switch, which comprises a seat frame 1, a seat 2, a seat back 3 and a mounting seat 4, wherein the mounting seat 4 is fixed at the bottom of the seat 2 through bolts, the seat back 3 is fixed at the rear side of the seat 2, the seat 2 is rotatably mounted on a cross rod 11 on the seat frame 1 through the mounting seat 4, the mounting seat 4 is used for driving the seat 2 and the seat back 3 to turn forward, a limiting mechanism 5 is arranged in the mounting seat 4, the limiting mechanism 5 comprises a pull rod 51, a limiting plate 52, a rotating block 53 and a reset spring 54, the pull rod 51 and the limiting plate 52 are respectively provided with a raised edge structure, the two raised edge structures are mutually hooked and connected, the pull rod 51 and the limiting plate 52 are slidably mounted on the mounting seat 4 through bolts at the raised edge structure, the front and the rear of the limiting plate 52 can be driven by pulling the pull rod 51, the rotating block 53 is fixedly arranged on the cross rod 11, the rotating block 53 is relatively to the mounting seat 4 when the seat 2 rotates, the rotating block 53 is rotatably arranged on the mounting seat 4, the reset spring 54 is fixedly arranged on the other end of the seat 4, the reset spring 53 is fixedly arranged on the seat 52, and the reset spring is fixedly arranged at one end of the reset plate 53, and the reset spring 53 is used for preventing the reset plate from falling down, and the reset plate 53 is connected to the reset spring 52, and the reset plate 53 is used for preventing the reset plate from falling.

Further, the locking portion 53b is provided with a locking opening 531 for embedding the limiting plate 52, the locking opening 531 faces the front of the seat, the locking opening 531 is used for preventing the limiting plate 52 from sliding relative to the rotating block 53, when the seat is in a sitting state, the locking opening 531 is flush with the limiting plate 52 so that the limiting plate 52 can be just embedded into the locking opening 531 when the seat 2 is in a horizontal state, the locking opening 531 is used for limiting the seat 2 to tilt forwards, when the seat 2 receives forward tilting force, the rotating block 53 rotates backwards relative to the mounting seat 4, and at the moment, the locking opening 531 is propped against the bottom surface of the limiting plate 52 to form a locking state; the limiting part 53a is provided with a limiting protrusion 532 for propping against the bottom of the seat 2, the limiting protrusion 532 is used for preventing the mounting seat 4 from rotating backwards relative to the rotating block 53, the limiting protrusion 532 faces towards the rear of the seat, the limiting protrusion 532 is used for limiting the seat 2 to fall backwards, and when the seat 2 receives a backward falling force, the top surface of the limiting protrusion 532 is propped against the lower part of the seat 2 to form a locking state.

Preferably, the rotating block 53 is further provided with a sliding portion 53c, when the seat 2 is turned over, the limiting plate 52 is pulled by the return spring 54 to abut against the sliding portion 53c, the limiting plate 52 is slidably connected with the sliding portion 53c, and opposite to the sliding portion 53c, the limiting plate 52 abuts against the sliding portion 53c, so that the seat 2 can be pushed and returned to the seating state conveniently in the turned state, and when the limiting plate 52 is slid again from the sliding portion to the movable locking opening 531, the seat 2 is locked.

Further, in order to improve the stability of the limiting mechanism 5, the two sets of rotating blocks 53 are provided, and the two sets of rotating blocks 53 are parallel to each other and are arranged on the cross bar 11 at intervals, so that the limiting plate 52 can be simultaneously embedded into the locking ports 531 of the two sets of rotating blocks 53.

In this embodiment, the mount pad 4 includes the rotation seat 41 that is used for connecting seat support 2 and horizontal pole 11, the middle part of rotation seat 41 is provided with the rotation hole 411, the middle part of rotation seat 41 passes through rotation hole 411 suit on horizontal pole 11, rotation hole 411 is connected with horizontal pole 11 rotation, mount pad 4 still includes the stationary ladle 42 that is used for installing fixed stop gear 5, the ladle 42 covers stop gear 5 and rotation seat 41, the fixing of rotation seat 41 is between seat support 2 and ladle 42.

Further, the pull rod 51 is of a T-shaped structure, a handle 511 is provided at the bottom of the front end of the pull rod 51, a travel hole 421 through which the handle 511 passes is provided at the front end of the seat cover 42, the handle 511 slides back and forth in the travel hole 421, preferably, a limit hole 512 is provided at two ends of the T-shaped structure, a limit post 422 for matching with the limit hole 512 is provided on the seat cover 42, and the limit post 422 and the limit hole 512 are matched and installed to limit the left and right swing of the pull rod 51.

Further, two groups of rotating seats 41 are symmetrically arranged, sliding holes 412 for allowing the limiting plates 52 to slide back and forth are formed in the rotating seats 41, the sliding holes 412 are flush with the locking openings 531, the limiting plates 52 are guided into the locking openings 531 by the sliding holes 412, sliding blocks 521 are arranged at two ends of the limiting plates 52 and slidably mounted in the sliding holes 412, two sides of a edge-raising structure on the limiting plates 52 are abutted against the inner side of the rotating seats 41, bending structures 413 are arranged on the tops of the rotating seats 41 inwards, the bending structures 413 are perpendicular to the rotating seats 41, the bending structures 413 are used for enabling the rotating seats 41 to be fixed between the seat 2 and the seat cover 42, meanwhile, the bending structures 413 are used for limiting rotation of the rotating blocks 53, and top surfaces of the limiting protrusions 532 are abutted against the bottoms of the bending structures 413.

In this embodiment, the seat frame 1 includes side brackets 12 disposed on the left and right sides of the seat 2, the left and right side brackets 12 are integrally sleeved with the cross rod 11, and a limit structure 13 is disposed at a connection position between the cross rod 11 and the side brackets 12 to prevent the cross rod 11 from rotating.

The above description is merely illustrative of the utility model and those skilled in the art may make various modifications and additions to the described embodiments or substitutions in a similar manner without departing from the scope of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims (6)

1. The utility model provides a handle switch control seat structure that overturns, includes seat frame (1), seat support (2), back of the chair (3) and mount pad (4), the bottom at seat support (2) is fixed to mount pad (4), back of the chair (3) are fixed in the rear side of seat support (2), seat support (2) rotate through mount pad (4) and install on horizontal pole (11) on seat frame (1), its characterized in that: be equipped with stop gear (5) in mount pad (4), stop gear (5) include pull rod (51), limiting plate (52), rotating block (53) and reset spring (54), the one end and the limiting plate (52) of pull rod (51) are connected, pull rod (51) and limiting plate (52) slidable mounting are on mount pad (4), rotating block (53) are fixed on horizontal pole (11), be equipped with spacing portion (53 a) that prevents the seat backward from empting on rotating block (53), reset spring (54) connect between mount pad (4) and limiting plate (52), under the riding state, reset spring (54) pulling limiting plate (52) chucking is in clamping portion (53 b) of rotating block (53).

2. The pull switch controlled flip seat structure of claim 1, wherein: the clamping part (53 b) is provided with a clamping opening (531) for embedding the limiting plate (52), the clamping opening (531) is used for preventing the limiting plate (52) from sliding relative to the rotating block (53), the limiting part (53 a) is provided with a limiting bulge (532) for propping against the bottom of the seat (2), and the limiting bulge (532) is used for preventing the mounting seat (4) from rotating backwards relative to the rotating block (53).

3. The pull switch controlled flip seat structure of claim 2, wherein: the two groups of rotating blocks (53) are arranged in parallel and are arranged on the cross rod (11) at intervals, and the limiting plates (52) can be simultaneously embedded into the clamping ports (531) of the two groups of rotating blocks (53).

4. The pull switch controlled flip seat structure of claim 1, wherein: the mounting seat (4) comprises a rotating seat (41) used for connecting the seat (2) and the cross rod (11), the bottom of the rotating seat (41) is sleeved on the cross rod (11) through a rotating hole (411), the mounting seat (4) further comprises a seat cover (42) used for installing a limiting mechanism (5), the seat cover (42) is fixed at the bottom of the seat (2), and the rotating seat (41) is fixed between the seat (2) and the cover.

5. The pull switch controlled flip seat structure of claim 4, wherein: the pull rod (51) is provided with a handle (511), the front end of the seat cover (42) is provided with a travel hole (421) for the handle (511) to pass through, and the handle (511) slides back and forth in the travel hole (421).

6. The pull switch controlled flip seat structure of claim 5, wherein: the rotating seat (41) is provided with two groups, the two groups of rotating seats (41) are symmetrically arranged, the rotating seat (41) is provided with a sliding hole (412) for a limiting plate (52) to slide back and forth, and two ends of the limiting plate (52) are slidably arranged in the sliding hole (412).