CN221129155U - Folding mechanism and folding table - Google Patents

Abstract

The utility model belongs to a folding mechanism and a folding table, comprising an underframe; a table plate; the turnover mechanism is arranged between the bottom surface of the table plate and the underframe in an adjustable mode, and external force applied to the turnover mechanism can enable the turnover mechanism to be clamped with or separated from the underframe, so that the table plate can be turned over or placed horizontally relative to the underframe. The table of this folding table is convenient for fold through turning over the upset that turns over the mechanism and accomodate that can adjust the table, and two sets of turns over and realize the linkage by the connecting tube between the mechanism to just realize adjusting one of them a set of turns over a mechanism, dial one to the table bottom face upwards to the driving lever, the regulating plate rotates, and the joint part breaks away from first pin, unblock table level fixed state, and the table overturns to vertical gradually, and limit part blocks the second pin, forms folding locked's state. The adjusting mode is simple and quick, and the quick folding and unfolding are realized.

Description

Folding mechanism and folding table

Technical Field

The utility model belongs to the technical field of tables, and particularly relates to a folding mechanism and a folding table.

Background

The utility model of application number CN201920047762.5 provides a study table, which comprises a table plate, a table cavity is arranged below the table plate, supporting legs are arranged on the bottom surface of the table cavity, a slot is arranged on the back surface of the table cavity, an auxiliary plate is detachably arranged in the slot, a sliding column is movably connected to the side wall of the auxiliary plate, a sliding sleeve is movably connected to the side wall of the table cavity, the sliding column is in sliding fit with the sliding sleeve, the auxiliary plate can move out of the slot to move to the bottom surface of the placing cavity when the sliding column slides in the sliding sleeve, and a positioning column capable of fixing the sliding column and the sliding sleeve is arranged on the sliding sleeve. The learning desk is provided with the auxiliary plate, can increase the area of the desk surface through adjustment, can put more data, is convenient for arrange or search when the student uses, and is favorable for improving work efficiency. And meanwhile, the positioning column capable of fixing the auxiliary plate is arranged, so that the auxiliary plate is ensured to be stable in use. In conclusion, the device is reasonable in structure, simple to operate and suitable for popularization and application.

The table plate in the prior art cannot be folded, is relatively inconvenient to carry and carry, and occupies a certain space when not in use.

Disclosure of utility model

The present utility model aims to solve the above-mentioned problems, and provides a folding mechanism comprising

A chassis;

a table plate;

The turnover mechanism is arranged between the bottom surface of the table plate and the underframe in an adjustable mode, and external force applied to the turnover mechanism can enable the turnover mechanism to be clamped with or separated from the underframe, so that the table plate can be turned over or placed horizontally relative to the underframe.

In the present utility model, a further embodiment is a folding mechanism according to claim 1, wherein the folding mechanism is disposed at two ends of the bottom surface of the table board and is adjustably connected to two inner sides of the chassis, and the folding mechanisms are linked by a connecting pipe.

In the utility model, the underframe comprises two upright posts, wherein the upright posts are fixedly connected through supporting pipes, and the inner sides of the upright posts are adjustably connected with the turnover mechanism through fixing plates.

In the utility model, the folding mechanism comprises a fixed pipe fixed on the bottom surface of the table plate, two ends of the fixed pipe are rotatably connected with an adjusting plate, two ends of the fixed pipe are rotatably connected with the fixed plate, a combining part and a limiting part are formed on the adjusting plate, a first pin and a second pin are fixed on the fixed plate, the second pin is positioned above the first pin, when the table plate is in a horizontal form, the combining part can be hooked and tightly matched with the first pin, and when the table plate is folded into a vertical form, the limiting part is abutted and tightly matched with the second pin.

In the utility model, a third pin is fixedly arranged on the fixed plate, a first torsion spring is sleeved on the third pin, one end of the first torsion spring is propped against the lower part of the table plate, and the other end of the first torsion spring is hooked on the first pin.

In the utility model, a further embodiment is that a second torsion spring is sleeved on the part of the connecting pipe extending out of the outer side of the adjusting plate, and two ends of the second torsion spring are elastically abutted against the bottom surface of the table plate.

In the utility model, a further embodiment is that the utility model further comprises an adjusting box sealed outside the folding mechanism, and the adjusting box is fixedly connected with the bottom surface of the table plate.

In the utility model, a further embodiment is that the other end of the adjusting plate far away from the combining part is fixedly provided with a shifting handle, and the shifting handle extends out of the adjusting box.

In the utility model, a further implementation mode is that the bottom end of the upright post is fixedly connected with a table leg in an inserting mode, and rollers are arranged at two ends of the bottom of the table leg.

In another aspect, a folding table is provided, including the folding mechanism of turning over of above-mentioned scheme.

The beneficial effects of the utility model are as follows:

The table board of the folding table can adjust the turnover of the table board through the turnover mechanism so as to facilitate folding and storage, and the two groups of turnover mechanisms are linked through the connecting pipe, so that one group of turnover mechanisms can be adjusted, the shifting handle is shifted upwards to the bottom surface of the table board, the adjusting plate rotates, the combining part is separated from the first pin, the table board is unlocked to be horizontally fixed, the table board is gradually turned to be vertical, and the limiting part clamps the second pin to form a folding and locking state; after the shifting handle is shifted up again, the limiting part is forced to separate from the second pin, and when the table board is placed flat, the torsion force generated by the first torsion spring always gives a buffer force of an elastic support to the bottom surface of the table board, so that the danger of the table board being placed flat directly is prevented; simultaneously, the second torsion spring also generates torsion force to act between the bottom surface of the table plate and the adjusting plate, so that the first pin is clamped by the combining part, and the table plate is locked in a horizontal state.

Drawings

FIG. 1 is a schematic view of a folding mechanism according to the present utility model;

FIG. 2 is a schematic diagram of a second embodiment of a folding mechanism according to the present utility model;

FIG. 3 is an enlarged schematic view of the H position of FIG. 2;

FIG. 4 is an enlarged schematic view of the J position of FIG. 2;

FIG. 5 is a schematic view of the position between the folding mechanism and the chassis in the folded state;

fig. 6 is an enlarged schematic view of the K position in fig. 5.

Detailed Description

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present application and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Referring to fig. 1 and 2, an embodiment of the present utility model provides a folding mechanism, which is applied to a folding table, and includes a chassis 1, a table 2, and a folding mechanism 3.

The folding mechanism 3 is arranged between the bottom surface of the table plate 2 and the underframe 1 in an adjustable manner, and external force applied to the folding mechanism 3 can enable the folding mechanism to be clamped and fixed or separated from the underframe 1, so that the table plate 2 is turned over or horizontally placed relative to the underframe 1, folding adjustment of the table plate 2 is realized, the carrying of the storage box is facilitated, and the occupied space is reduced.

The underframe 1 comprises two upright posts 1A, the upright posts 1A are fixedly connected through supporting tubes 1B, the bottom ends of the upright posts 1A are fixedly connected with table feet 1C in an inserting mode, rollers 1D are arranged at two ends of the bottom of each table foot 1C, pushing is convenient, and the rollers 1D have a braking function.

Further, as shown in fig. 3, the inner side of the upright 1A is adjustably connected with the turnover mechanism 3 through a fixing plate 4, a first pin 5 and a second pin 8 are fixed on the fixing plate 4, and the second pin 8 is obliquely above the first pin 5.

In this design, specifically, turn over a mechanism 3 and set up in table 2 bottom surface both ends and with the two inboard fixed plates 4 adjustable connection of chassis 1 to link through connecting tube 6 between two sets of turns over a mechanism 3, to single the lease turn over a mechanism 3 adjust can, promote the convenience of regulation.

Specifically, the turnover mechanism 3 comprises a fixed pipe 3A fixed on the bottom surface of the table plate 2, two ends of the fixed pipe 3A are rotatably connected with an adjusting plate 3B, and two ends of the fixed pipe 3A are rotatably connected with a fixed plate 4, so that a rotary connection relationship between the table plate 2 and the underframe 1 is realized.

As shown in fig. 3 and 6, the adjusting plate 3B is formed with a combining portion 3C and a limiting portion 3L, when the table 2 is in a horizontal state, the combining portion 3C can be hooked and matched with the first pin 5, and when the table 2 is folded into a vertical state, the limiting portion 3L abuts against the second pin 8, and the folded state is locked.

As shown in fig. 3, the fixing plate 4 is further fixedly provided with a third pin 3D, the third pin 3D is sleeved with a first torsion spring 3E, one end of the first torsion spring 3E is propped against the lower side of the table plate 2, and the other end of the first torsion spring is hooked on the first pin 5, so that when the limiting part 3L is separated from the second pin 8, the table plate 2 is flat, torsion generated by the first torsion spring 3E always gives a buffer force of an elastic support to the bottom surface of the table plate 2, and the table plate 2 is prevented from being directly flat.

As shown in fig. 2, the folding mechanism further comprises an adjusting box 3F sealed outside the folding mechanism 3, the adjusting box 3F is fixedly connected with the bottom surface of the table 2, all parts of the folding mechanism 3 are packaged inside through the adjusting box 3F, the attractiveness is maintained, a shifting handle 3G is fixedly arranged at the other end, far away from the combining part 3C, of the adjusting plate 3B, and the shifting handle 3G extends out of the adjusting box 3F.

In this way, the pulling handle 3G is pressed toward the table 2, the adjusting plate 3B rotates, the combining part 3C is separated from the first pin 5, the fixing state between the adjusting plate 3B and the fixing plate 4 is unlocked, the table 2 can rotate to turn over to a vertical angle, and the limiting part 3L clamps the second pin 8 to form a folded locking state.

In addition, as shown in fig. 4, a second torsion spring 7 is sleeved on a part of the limiting tube 6 extending out of the outer side of the adjusting plate 3B, two ends of the second torsion spring 7 are elastically abutted to the bottom surface of the table plate 2, when the shifting handle 3G is shifted upwards, the adjusting plate 3B rotates, the limiting portion 3L is separated from the second pin 8, the second torsion spring 7 generates torsion force to act between the bottom surface of the table plate 2 and the adjusting plate 3B, the first pin 5 is forced to be clamped by the combining portion 3C, the horizontal state of the table plate 2 is locked, and in the overturning process, the torsion force generated by the first torsion spring 3E always gives a buffer force of elastic support to the bottom surface of the table plate 2, so that the table plate 2 is prevented from being directly put flat to generate danger.

While there has been shown and described what are at present considered to be the basic principles, the main features and the advantages of the utility model, it will be understood by those skilled in the art that the present utility model is not limited to the above embodiments, but is merely described in the foregoing description as preferred embodiments of the utility model, and it is not intended to limit the utility model, but various changes and modifications can be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (4)

1. The utility model provides a turn over a folding mechanism which characterized in that includes

A chassis;

a table plate;

The turnover mechanism is adjustably arranged between the bottom surface of the table plate and the underframe, and external force applied to the turnover mechanism can enable the turnover mechanism to be clamped and fixed or separated from the underframe so as to enable the table plate to be turned over or horizontally placed relative to the underframe;

The turnover mechanisms are arranged at two ends of the bottom surface of the table plate and are adjustably connected with two inner sides of the underframe, and the turnover mechanisms are linked through connecting pipes;

The underframe comprises two upright posts, the upright posts are fixedly connected through supporting pipes, and the inner sides of the upright posts are adjustably connected with the turnover mechanism through fixing plates;

The folding mechanism comprises a fixed pipe fixed on the bottom surface of the table plate, two ends of the fixed pipe are rotationally connected with an adjusting plate, two ends of the fixed pipe are rotationally connected with the fixed plate, a combination part and a limiting part are formed on the adjusting plate, a first pin and a second pin are fixed on the fixed plate, the second pin is positioned above the first pin, when the table plate is in a horizontal form, the combination part can be tightly matched with the first pin in a hooking way, and when the table plate is folded into a vertical form, the limiting part is tightly propped against the second pin;

A third pin is fixedly arranged on the fixed plate, a first torsion spring is sleeved on the third pin, one end of the first torsion spring is propped against the lower part of the table plate, and the other end of the first torsion spring is hooked on the first pin;

The part of the connecting pipe extending out of the outer side of the adjusting plate is sleeved with a second torsion spring, and two ends of the second torsion spring are elastically abutted against the bottom surface of the table plate;

The folding mechanism is characterized by further comprising an adjusting box which is sealed outside the folding mechanism, and the adjusting box is fixedly connected with the bottom surface of the table plate.

2. A turnover folder as set forth in claim 1, wherein the other end of said regulating plate remote from the joint is fixedly provided with a knob which extends outside the regulating box.

3. The turnover folding mechanism as set forth in claim 2, wherein the stand column has a bottom end fixed with a table leg, and rollers are provided at both ends of the bottom of the table leg.

4. A folding table comprising a fold-over folding mechanism as claimed in any one of claims 1 to 3.