CN219639254U

CN219639254U - Buffering folding frame

Info

Publication number: CN219639254U
Application number: CN202321377220.7U
Authority: CN
Inventors: 陈凯彤
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-01
Filing date: 2023-06-01
Publication date: 2023-09-05
Anticipated expiration: 2033-06-01

Abstract

The utility model discloses a buffering folding frame, and belongs to the field of folding frames. A cushioning folding frame comprising a first arm and a second arm, further comprising: the base is fixedly connected to the first arm body; the damper is fixedly connected to the base; the sliding frame is connected to the base in a sliding manner, and the sliding frame is propped against the driving end of the damper; the lug is fixedly connected to the first rotating shaft and is propped against the sliding frame; according to the utility model, the damper is arranged on the base, so that the damper can generate upward thrust to the sliding frame, and the sliding speed of the sliding frame can be slowed down under the action of the thrust of the damper, so that the second arm body can slowly approach to the first arm body, the problem that fingers of a user are injured due to too fast folding of the second arm body in the closing process is solved, and the safety of the user is ensured; the metal gasket is arranged on the damper, so that the stress area of the stress points of the damper and the sliding frame can be increased, and the sliding stability of the sliding frame can be ensured.

Description

Buffering folding frame

Technical Field

The utility model relates to the technical field of folding frames, in particular to a buffering folding frame.

Background

The bracket is quite common in life, can provide good supporting effect for other parts, achieves the effect of convenient use, and is divided into a fixed bracket and a foldable bracket; the folding bracket is a bracket widely applied to the foldable table plate, and the folding bracket can be used for folding and unfolding the table plate, so that the storage area can be reduced, and the folding bracket is widely applied;

the utility model provides a folding table that can be used to english study on high-speed railway car, disclosed in 2017-11-28, publication number is CN206679004U, a folding table that can be used to english study on high-speed railway car includes two supports, the round pin hub connection has the bracing piece on the support, the bracing piece is connected with the fixed plate; the upper end of the fixed plate is provided with a shockproof rubber pad; the upper end of the shockproof rubber pad is provided with a table plate, and the upper end of the table plate is provided with a storage groove and an auxiliary display screen; an arc-shaped groove is formed in the side wall below the storage groove, a cover plate is hinged above the storage groove, a display screen is arranged on the cover plate, and an operating button is arranged at the lower end of the display screen; the side wall of the desk plate is provided with a plurality of jacks; the desk board is internally provided with a processor, and the processor is connected with an auxiliary display screen, a Bluetooth transceiver, an operating button and a jack line. The utility model aims to provide a folding table board for English learning on a high-speed rail motor car, which has the advantages of simple structure and convenience in use, and can enable people to learn English and the like when riding high-speed rails;

however, the folding frame for the folding table plate still has certain defects, the buffer mechanism is not arranged in the folding frame, the table plate can be quickly reset and retracted in the closing process of the folding table plate when being used, fingers of a user can be clamped, the fingers of the user are injured, in addition, in the folding process of the support, the support can shake easily, and the folding and retracting stability is required to be further improved.

Disclosure of Invention

The utility model aims to solve the problem that a user is possibly injured due to the fact that a buffer mechanism is not arranged on a folding frame in the prior art, and provides the buffer folding frame.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a buffering folding leg, includes first arm body and second arm body, be connected with first pivot on first arm body and the second arm body, first arm body rotates through first pivot and second arm body and links to each other, still includes:

the base is fixedly connected to the first arm body;

the damper is fixedly connected to the base;

the sliding frame is connected to the base in a sliding manner, and the sliding frame is propped against the driving end of the damper;

the lug is fixedly connected to the first rotating shaft and is propped against the sliding frame.

Preferably, the clamping plate is fixedly connected to the sliding frame, a gasket is fixedly connected to the driving end of the damper, and the gasket is clamped with the clamping plate.

Further, the second arm body is rotatably connected with a second rotating shaft, and a switch is fixedly connected to the second rotating shaft.

In order to enable the switch to reset rapidly, further, the switch is sleeved with a torsion spring, the second arm body is provided with a limit clamp, and the limit clamp and the torsion spring are propped against each other.

In order to ensure the stability of the rotation of the second arm body, preferably, the first arm body is rotationally connected with a third rotating shaft, two groups of support arms are symmetrically connected to the third rotating shaft, one end, far away from the third rotating shaft, of the support arms is rotationally connected with a fourth rotating shaft, and the fourth rotating shaft is slidably connected in a sliding groove of the second arm body.

In order to prevent the second arm body from striking the third rotating shaft in the folding process, preferably, the second arm body is symmetrically provided with abdicating grooves.

Compared with the prior art, the utility model provides a buffering folding frame, which comprises the following components

The beneficial effects are that:

1. this buffering folding leg through set up the attenuator on the base, the attenuator will produce ascending thrust to the balladeur train, under the thrust effect of attenuator, the slip speed of balladeur train can slow down to can make the second arm body slowly be close to towards first arm body, thereby solved the in-process of closing, the second arm body folds the problem that the clamp that leads to too fast hurts the user's finger, guaranteed user's safety.

2. According to the buffering folding frame, the metal gasket is arranged on the damper, so that the stress area of the stress points of the damper and the sliding frame can be increased, and the sliding stability of the sliding frame can be ensured.

Drawings

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

FIG. 2 is a schematic view showing a connection structure between a carriage and a base in a cushion folding frame according to the present utility model;

FIG. 3 is a schematic view showing a connection structure of a damper and a carriage in a cushion folding frame according to the present utility model;

FIG. 4 is an exploded view of a cushioning folding frame in accordance with the present utility model;

FIG. 5 is an enlarged view of portion A of a cushioning folding frame in accordance with the present utility model;

fig. 6 is an enlarged view of a portion B of a cushion folding frame according to the present utility model.

In the figure: 1. a first arm body; 2. a second arm body; 201. a relief groove; 3. a carriage; 301. a clamping plate; 4. a support arm; 401. a fourth rotating shaft; 5. a first rotating shaft; 6. a third rotating shaft; 7. a base; 701. a damper; 7011. a gasket; 8. a bump; 9. a switch; 901. a second rotating shaft; 902. a torsion spring; 10. and a limit clamp.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 6, a buffering folding frame includes a first arm 1 and a second arm 2, a first rotating shaft 5 is connected to the first arm 1 and the second arm 2, the first arm 1 is rotatably connected to the second arm 2 through the first rotating shaft 5, and further includes:

the base 7 is fixedly connected to the first arm body 1;

a damper 701 fixedly connected to the base 7;

the sliding frame 3 is connected to the base 7 in a sliding manner, and the sliding frame 3 is abutted against the driving end of the damper 701;

the protruding block 8 is fixedly connected to the first rotating shaft 5, and the protruding block 8 is propped against the sliding frame 3.

The clamping plate 301 is fixedly connected to the carriage 3, the gasket 7011 is fixedly connected to the driving end of the damper 701, and the gasket 7011 is clamped with the clamping plate 301.

Referring to fig. 4, gasket 7011 is a metal gasket.

By the provision of the spacer 7011, the force receiving area of the force receiving point of the damper 701 and the carriage 3 is increased, thereby improving the stability of the sliding of the carriage 3.

The second arm body 2 is rotatably connected with a second rotating shaft 901, and the second rotating shaft 901 is fixedly connected with a switch 9.

The switch 9 is sleeved with a torsion spring 902, the second arm body 2 is provided with a limit clamp 10, and the limit clamp 10 is propped against the torsion spring 902.

Referring to fig. 5, the switch 9 can be quickly reset by the torsion spring 902 provided.

The first arm body 1 is rotationally connected with a third rotating shaft 6, the third rotating shaft 6 is symmetrically connected with two groups of supporting arms 4, one end, far away from the third rotating shaft 6, of each supporting arm 4 is rotationally connected with a fourth rotating shaft 401, and the fourth rotating shaft 401 is slidably connected in a sliding groove of the second arm body 2.

The second arm 2 is symmetrically provided with a yielding groove 201.

Referring to fig. 1, the provision of the relief groove 201 prevents the second arm 2 from striking the third rotation shaft 6 when the second arm 2 is in the folded state.

Referring to fig. 3 to 4, before use, the damper 701 is fixedly mounted in the base 7, and the carriage 3 is caught on the base 7, while the spacer 7011 attached to the damper 701 is caught in the card 301 on the carriage 3.

The pad 7011 provided on the damper 701 can increase the force receiving area of the force receiving point of the carriage 3, and can ensure the sliding stability of the carriage 3.

Referring to fig. 1-6, when the folding frame is opened, by pulling the second arm 2, the second arm 2 rotates around the first rotating shaft 5, during the rotation process of the second arm 2, the first rotating shaft 5 rotates synchronously, so as to drive the bump 8 to rotate, at this time, the bump 8 will not abut against the carriage 3, at this time, the carriage 3 will slide upwards under the elastic restoring force of the damper 701, during the opening process, the fourth rotating shaft 401 will slide synchronously on the second arm 2, after sliding for a certain distance, the fourth rotating shaft 401 will abut against the switch 9, at this time, the second arm 2 is pulled continuously, the fourth rotating shaft 401 will press the switch 9, and then slide across the switch 9, after the fourth rotating shaft 401 slides across the switch 9, the switch 9 will reset rapidly under the torsion of the torsion spring 902, so that the fourth rotating shaft, at this time, the first arm 1 and the second arm 2 are 90 °.

Referring to fig. 1-6, when the folding frame is closed, the switch 9 is manually pressed, so that the switch 9 does not abut against the fourth rotating shaft 401, and at this time, the second arm 2 is reversely rotated, so that the second arm 2 can be retracted, and during the folding process of the second arm 2, the first rotating shaft 5 drives the protruding block 8 to reversely rotate, and the protruding block 8 can press the sliding frame 3, so that the sliding frame 3 can be pushed to slide downwards for resetting.

Referring to fig. 2-4 and 6, in the sliding process of the carriage 3, the clamping plate 301 and the gasket 7011 will squeeze the driving end of the damper 701, the damper 701 will generate upward thrust to the carriage 3, and under the thrust action of the damper 701, the sliding speed of the carriage 3 will be slowed down, so that the second arm 2 can slowly approach the first arm 1, thereby solving the problem of finger pinching caused by too fast folding of the second arm 2 in the closing process, and ensuring the safety of users.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a buffering folding leg, includes first arm body (1) and second arm body (2), be connected with first pivot (5) on first arm body (1) and the second arm body (2), first arm body (1) rotate through first pivot (5) and second arm body (2) and link to each other, its characterized in that still includes:

the base (7) is fixedly connected to the first arm body (1);

the damper (701) is fixedly connected to the base (7);

the sliding frame (3) is connected to the base (7) in a sliding manner, and the sliding frame (3) is abutted against the driving end of the damper (701);

the lug (8) is fixedly connected to the first rotating shaft (5), and the lug (8) is propped against the sliding frame (3).

2. A cushioning folding frame according to claim 1, characterized in that the carriage (3) is fixedly connected with a clamping plate (301), the driving end of the damper (701) is fixedly connected with a gasket (7011), and the gasket (7011) is clamped with the clamping plate (301).

3. The buffering folding frame according to claim 2, wherein a second rotating shaft (901) is rotatably connected to the second arm body (2), and a switch (9) is fixedly connected to the second rotating shaft (901).

4. A cushioning folding frame according to claim 3, characterized in that the switch (9) is sleeved with a torsion spring (902), the second arm body (2) is provided with a limit card (10), and the limit card (10) is abutted against the torsion spring (902).

5. A cushioning folding frame according to claim 1, characterized in that the first arm body (1) is rotatably connected with a third rotating shaft (6), the third rotating shaft (6) is symmetrically connected with two groups of support arms (4), one end of the support arm (4) far away from the third rotating shaft (6) is rotatably connected with a fourth rotating shaft (401), and the fourth rotating shaft (401) is slidably connected in a chute of the second arm body (2).

6. A cushioning folding frame according to claim 1, characterized in that the second arm (2) is symmetrically provided with relief grooves (201).