CN210120971U

CN210120971U - Folding table

Info

Publication number: CN210120971U
Application number: CN201920462491.XU
Authority: CN
Inventors: 黄杜磊
Original assignee: Hangzhou Guoding Medical Dressing Co Ltd
Current assignee: Hangzhou Guoding Medical Dressing Co Ltd
Priority date: 2019-04-08
Filing date: 2019-04-08
Publication date: 2020-03-03
Anticipated expiration: 2029-04-08

Abstract

The utility model discloses a folding table, including base, support arm, table, the support arm sets up the both sides at the base respectively, all is provided with folding mechanism between every support arm and the base, the connection can be dismantled on the support arm to the table. The utility model discloses easy operation is convenient when folding and expansion. The utility model has simple integral structure and convenient manufacture.

Description

Folding table

Technical Field

The utility model relates to the field of articles for daily use, in particular to a folding table.

Background

The table is a common daily product. In order to improve the indoor space utilization rate, a plurality of tables have a foldable function at present. For example, chinese patent publication No.: CN 102858202 a, entitled table, comprises a table top and a leg assembly, the leg assembly being movable between a use and a storage position, and the movement of the leg assembly causing the cross member to move between a first position in which the cross member prevents folding of the table top and a second position in which the cross member facilitates folding and unfolding of the table top. The table top may include a first section and a second section having portions that overlap and/or interlock when the table top is folded. When the table top is in the unfolded position, movement of the leg assemblies toward the use position may move the cross members toward the overlapping and/or interlocking portions, which may move the overlapping and/or interlocking portions toward each other. The invention has the following disadvantages: the invention has complex structure and high manufacturing cost; when the folding table is folded, the table legs on the two sides are turned over and folded towards the center of the table, so that the whole table is turned over firstly, and then the table legs can be folded; similarly, when the table is unfolded, the table is required to be firstly placed on one side, then the table legs are unfolded, and finally the table is turned over.

Disclosure of Invention

The utility model aims at solving the problem that the prior folding table is inconvenient to operate when being folded and unfolded, and providing a folding table which is convenient to fold and unfold.

The utility model aims at realizing through the following technical scheme: the utility model provides a folding table, includes base, support arm, table, the support arm sets up respectively in the both sides of base, all is provided with folding mechanism between every support arm and the base, the connection can be dismantled on the support arm to the table.

When the folding table is folded, the table plate is firstly detached, then the supporting arms on the two sides of the base are respectively folded downwards, and finally the detached table plate is placed on the base. When unfolded, the supporting arm is only required to be opened, and then the table board is installed on the supporting arm. The utility model discloses in, easy operation is convenient when folding and expansion. The utility model has simple integral structure and convenient manufacture.

Preferably, the upper end of support arm can be dismantled and be connected with the support seat, table one side rotatable coupling is on last support seat, be provided with the bracing piece between table and the last support seat. The table board has a turning function. The desk plate is supported by the support rod after being turned up.

Preferably, a buffer is arranged between the upper support seat and the table plate. The buffer is used for reducing the impact force between the desk plate and the upper supporting seat during overturning and reducing the noise generated by collision between the desk plate and the upper supporting seat.

Preferably, the upper end of the supporting arm is provided with a plug socket, the plug socket is provided with a slot, the two sides of the upper supporting seat are provided with plug blocks matched with the slot, and the plug blocks are embedded in the slot. When the upper supporting seat is disassembled, only the upper supporting seat needs to be directly disassembled from the inserting seat. When the upper supporting seat is arranged on the supporting arm, the inserting blocks at two sides of the upper supporting seat are only required to be inserted into the inserting grooves formed in the inserting seat. Through the connection mode, the upper supporting seat can be very conveniently installed and detached.

Preferably, the folding mechanism comprises a connecting support arranged on the base, the supporting arm is hinged on the connecting support, a limiting groove is arranged on the connecting support, the limiting groove comprises an arc-shaped groove taking a hinged point as a circle center, the limiting groove further comprises a locking groove, the locking groove is arranged at one end, far away from the base, of the arc-shaped groove, a movable limiting pin is arranged on the supporting arm, a spring is arranged between the limiting pin and the supporting arm, and the limiting pin is connected in the limiting groove in a sliding manner; and the support arm is provided with a guide mechanism which guides the limit pin to be separated from the locking groove by rotating the support arm when the limit pin is clamped into the locking groove. When the supporting arm is unfolded, the first supporting arm is upwards rotated, when the limiting pin is rotated to the position of the locking groove, the limiting pin is clamped into the locking groove under the action of the tensile force of the spring, and the base and the supporting arm are locked at the moment. When needs are folded, the supporting arm continues to rotate, the pin breaks away from the locking groove under the action of the guide mechanism, the supporting arm and the base are unlocked, and then the supporting arm can rotate downwards, so that folding is completed.

Preferably, the direction of the pulling force of the spring on the stopper pin is toward the other side of the opening of the locking groove.

Preferably, the guide mechanism comprises a guide groove arranged on the support arm, the limit pin is connected in the guide groove in a sliding manner, the guide groove comprises a first sliding groove, and a connecting line of the first sliding groove and a hinge point forms an acute angle with the axial direction of the first sliding groove; a second sliding groove is formed in one end, close to the hinge point, of the first sliding groove, the second sliding groove is formed in one side, close to the spring, of the first sliding groove, and an acute angle is formed between the axial direction of the second sliding groove and the axial direction of the spring; a transition groove is arranged in front of the opening of the locking groove, the transition groove and the arc-shaped groove are in arc transition, and the turning part of the first sliding groove and the second sliding groove is superposed with the transition groove. When the supporting arm is in an unfolding state, the limiting pin is clamped into the locking groove. When the foldable support arm is folded from an unfolded state, the support arm rotates towards the unfolded direction, the limiting pin slides along the first sliding groove simultaneously in the rotating process, the limiting pin slides out of the locking groove and enters the transition groove under the guiding action of the first sliding groove, and when the limiting pin moves to the turning position of the first sliding groove and the second sliding groove, the limiting pin enters the second sliding groove under the pulling force of the spring to prevent the limiting pin from returning to the locking groove, and then the support arm is folded downwards to a required position; when the limiting pin moves to the end part of the arc-shaped groove, the supporting arm continues to rotate inwards, the limiting pin is jacked back to the first sliding groove, when the limiting pin is unfolded, the supporting arm directly rotates upwards, and when the limiting pin moves to the position of the locking groove, the limiting pin is clamped into the locking groove under the action of the spring, so that locking is achieved. Through the working mode, the supporting arm is very simple and convenient to operate when being folded or unfolded.

Preferably, one end of the arc-shaped groove close to the base is provided with an avoiding groove. The avoidance groove is used for providing an avoidance space for the limiting pin in the process of jacking the limiting pin back to the first sliding groove from the second sliding groove.

Preferably, a through groove is arranged at a position corresponding to the spring on the supporting arm. The function of logical groove provides an opening, makes things convenient for the installation of spring.

The utility model has the advantages that: the utility model discloses easy operation is convenient when folding and expansion. The utility model has simple integral structure and convenient manufacture.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural view of the folding mechanism.

Fig. 4 is a schematic view of the spring installation.

Fig. 5 is a schematic structural view of the connecting bracket.

Fig. 6 is a schematic structural view of a connecting portion of the support arm and the connecting bracket.

In the figure: 1. the base, 2, the support arm, 3, go up the supporting seat, 4, the table, 5, the hinge, 6, the bracing piece, 7, the buffer, 8, linking bridge, 9, the plug socket, 10, the grafting piece, 11, the articulated shaft, 12, the spacer pin, 13, the spacing groove, 14, the guiding groove, 15, lead to the groove, 16, the spring, 17, first hinge hole, 18, the arc wall, 19, the locking groove, 20, cross the aqueduct, 21, dodge the groove, 22, the second hinge hole, 23, first spout, 24, the second spout.

Detailed Description

The invention will be further described with reference to the following detailed description and accompanying drawings.

Example (b): as shown in fig. 1 to 6, a folding seat includes a base 1, a support arm 2, an upper support base 3, and a table plate 4. The support arms 2 are provided with two. The supporting arms 2 are respectively arranged at two sides of the base 1. A folding mechanism is arranged between the bottom of the supporting arm 2 and the base 1. A cross beam is connected between the two supporting arms 2.

The folding mechanism comprises a connecting bracket 8 arranged on the base 1. The supporting arm 2 is hinged with the connecting bracket 8. The connecting bracket 8 is provided with a first hinge hole 17. The support arm 2 is provided with a second hinge hole 11 corresponding to the first hinge hole 17. And a hinge shaft 11 is connected in the first hinge hole and the second hinge hole. The hinge shaft 11 simultaneously passes through the first hinge hole 17 and the second hinge hole 11. The connecting bracket 8 is provided with a limiting groove 13. The limiting groove 13 comprises an arc-shaped groove 18, a locking groove 19, a transition groove 20 and an avoiding groove 21 which take a hinge point as a circle center. The locking groove 19 is arranged at one end of the arc-shaped groove 18 far away from the base 1. The avoiding groove 21 is arranged at one end of the arc-shaped groove 18 close to the base 1. The locking groove 19 is semicircular. A transition groove 20 is provided in front of the opening of the locking groove 19. The transition groove 20 and the arc-shaped groove 18 are in arc transition.

The support arm 2 is provided with a guide groove 14. A limit pin 12 is arranged between the base 1 and the supporting arm 2. The limit pin 12 is a round rod-shaped structure. The stopper pin 12 passes through both the stopper groove 13 and the guide groove 14. The limit pins 12 are slidably connected in the limit grooves 13 and the guide grooves 14. A spring 16 is arranged between the limit pin 12 and the support arm 2. The pulling force of the spring 16 on the stopper pin 12 is directed toward the other side of the opening of the locking groove 19. A through groove 15 is arranged at the position of the supporting arm 2 corresponding to the spring 16. The through grooves 15 are square. The guide groove 14 includes a first runner 23. A connecting line of the first sliding groove 23 and the hinge point forms an acute angle with the axial direction of the first sliding groove 23; one end of the first sliding groove 23 close to the hinge point is provided with a second sliding groove 24. The second slide groove 24 is disposed on a side of the first slide groove 23 adjacent to the spring 16. The axial direction of the second slide groove 24 forms an acute angle with the axial direction of the spring 16. A transition groove 20 is provided in front of the opening of the locking groove 19. The transition groove 20 and the arc-shaped groove 18 are in arc transition. The turning point of the first sliding chute 23 and the second sliding chute 24 is overlapped with the transition groove 20. When the supporting arm is unfolded, the supporting arm is rotated outwards, when the limiting pin is rotated to the position of the locking groove, the limiting pin is clamped into the locking groove under the action of the tensile force of the spring, and the base and the supporting arm are locked at the moment. When the foldable support arm is folded from an unfolded state, the support arm rotates towards the unfolded direction, the limiting pin slides along the first sliding groove simultaneously in the rotating process, the limiting pin slides out of the locking groove and enters the transition groove under the guiding action of the first sliding groove, and when the limiting pin moves to the turning position of the first sliding groove and the second sliding groove, the limiting pin enters the second sliding groove under the pulling force of the spring to prevent the limiting pin from returning to the locking groove, and then the support arm is folded inwards to a required position; when the limiting pin moves to the end part of the arc-shaped groove, the supporting arm continues to rotate inwards, the limiting pin is jacked back to the first sliding groove, when the limiting pin is unfolded, the supporting arm directly rotates outwards, and when the limiting pin moves to the position of the locking groove, the limiting pin is clamped into the locking groove under the action of the spring to achieve locking. Through the above working mode, make the utility model discloses folding or when expanding, the operation is got up very portably.

The two sides of the upper supporting seat 3 are respectively detachably connected with the upper ends of the two supporting arms 2. The upper end of the supporting arm 2 is provided with a plug socket 9. The inserting seat 9 is provided with an inserting groove. And the two sides of the upper supporting seat 3 are provided with inserting blocks 10 matched with the inserting grooves. In this embodiment, the insertion block 10 is a rectangular parallelepiped. The plug-in piece 10 engages in the insertion groove.

Table 4 one side is passed through hinge 5 rotatable coupling on last supporting seat 3, be provided with bracing piece 6 between table 4 and the last supporting seat 3. And the upper supporting seat 3 is also provided with a buffer 7. The buffer 7 is a spring buffer. The buffer 7 is arranged below the rotatable side of the table plate 4.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims

1. The utility model provides a folding table, includes base (1), support arm (2), table (4), its characterized in that: the support arms (2) are respectively arranged on two sides of the base (1), a folding mechanism is arranged between each support arm (2) and the base (1), and the table plate (4) is detachably connected onto the support arms (2).

2. A folding table according to claim 1, characterized in that the upper end of the supporting arm (2) is detachably connected with an upper supporting base (3), one side of the table (4) is rotatably connected with the upper supporting base (3), and a supporting rod is arranged between the table (4) and the upper supporting base.

3. A folding table according to claim 2, characterized in that a buffer (7) is arranged between the upper support (3) and the table top (4).

4. A folding table according to claim 2, characterized in that the upper end of the supporting arm (2) is provided with a socket (9), the socket (9) is provided with a slot, and the two sides of the upper supporting base (3) are provided with socket blocks (10) matching with the slot, the socket blocks (10) are embedded in the slot.

5. A folding table according to claim 1 or 2 or 3 or 4, wherein the folding mechanism comprises a connecting bracket (8) arranged on the base (1), the supporting arm (2) is hinged on the connecting bracket (8), a limiting groove (13) is arranged on the connecting bracket (8), the limiting groove (13) comprises an arc-shaped groove (18) taking a hinge point as a center, the limiting groove (13) further comprises a locking groove (19), the locking groove (19) is arranged at one end of the arc-shaped groove (18) far away from the base (1), a movable limiting pin (12) is arranged on the supporting arm (2), a spring (16) is arranged between the limiting pin and the supporting arm, and the limiting pin (12) is slidably connected in the limiting groove (13); the supporting arm (2) is provided with a guide mechanism which guides the limiting pin (12) to be separated from the locking groove (19) by rotating the supporting arm (2) when the limiting pin (12) is clamped into the locking groove (19).

6. A folding table according to claim 5, characterized in that the direction of the pull of the spring (16) on the limit pin (12) is directed towards the other side of the opening of the locking groove (19).

7. A folding table according to claim 5, characterized in that said guiding means comprise a guiding slot (14) provided on the support arm (2), said limit pin (12) being slidably connected in the guiding slot (14), said guiding slot (14) comprising a first sliding slot (23), the line connecting said first sliding slot (23) and the hinge point forming an acute angle with the axial direction of the first sliding slot (23); a second sliding groove (24) is formed in one end, close to the hinge point, of the first sliding groove (23), the second sliding groove (24) is formed in one side, close to the spring (16), of the first sliding groove (23), and an acute angle is formed between the axial direction of the second sliding groove (24) and the axial direction of the spring (16); a transition groove (20) is arranged in front of the opening of the locking groove (19), the transition groove (20) and the arc-shaped groove (18) are in arc transition, and the turning part of the first sliding groove (23) and the second sliding groove (24) is overlapped with the transition groove (20).

8. A folding table according to claim 5, characterized in that the end of the arc-shaped slot (18) close to the base (1) is provided with an escape slot (21).

9. A folding table according to claim 5, characterized in that said supporting arm (2) is provided with through slots (15) in correspondence of the springs (16).