CN111493515A

CN111493515A - Novel table leg folding mechanism

Info

Publication number: CN111493515A
Application number: CN202010452292.8A
Authority: CN
Inventors: 龚先锋; 余锴; 林晓婷
Original assignee: Foshan Oman Furniture Co ltd
Current assignee: Foshan Ouman Meige Furniture Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2020-08-07
Anticipated expiration: 2040-05-26
Also published as: CN111493515B

Abstract

The invention provides a novel table leg folding mechanism which comprises table legs, a connecting rod and a folding mechanism, wherein the folding mechanism comprises a guide rail groove fixed below the bottom of a table surface and a sliding locking mechanism in sliding connection with the guide rail groove; the sliding locking mechanism comprises a sliding cover which is connected on the guide rail groove in a sliding way, an inclined guide block which is formed in the sliding cover and a locking mechanism which is matched and movably connected with the inclined guide block; the locking mechanism comprises a bolt which is matched with the inclined guide block and can move up and down, a bolt hole which is formed at the bottom of the guide rail groove and is matched with the bolt, and a sliding weight which is connected in the guide rail groove in a sliding way and is used for fixing the bolt so that the bolt can move up and down, and a guide pillar which is in sliding fit with the upper surface of the inclined guide block is formed on the bolt. The invention has simple structure, and the sliding cover is slid to enable the inclined guide block formed at the lower part of the sliding cover to push the bolt with the guide post to move up and down so as to open or close the sliding locking mechanism, thereby realizing the rapid expansion and storage of the table legs.

Description

Novel table leg folding mechanism

Technical Field

The invention relates to the technical field of tables, in particular to a novel table leg folding mechanism.

Background

The table legs with the folding function can be stored when the table top is not used, so that the space is saved, and the table legs are convenient to transport and place. The existing table leg folding mechanism has the characteristics of hinge joint, folding and slide rail, and the existing table leg folding mechanism has simple structure, but the existing table leg folding mechanism can not be unfolded and stored quickly generally, and the unfolding and storage processes are complex.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a novel slide rail type table leg folding mechanism which can be unfolded and stored quickly and has a simple structure.

In order to achieve the purpose, the technical scheme provided by the invention is as follows: a novel table leg folding mechanism comprises table legs hinged below a table top, a connecting rod hinged with the table legs and a folding mechanism arranged below the table top and hinged with the connecting rod, wherein the folding mechanism comprises a guide rail groove fixed below the table top and a sliding locking mechanism in sliding connection with the guide rail groove, and the connecting rod is connected to the sliding locking mechanism to realize the folding of the table legs; the sliding locking mechanism comprises a sliding cover which is connected on the guide rail groove in a sliding way, an inclined guide block which is formed in the sliding cover and a locking mechanism which is matched and movably connected with the inclined guide block; the locking mechanism comprises a bolt which is matched with the inclined guide block and can move up and down, a bolt hole which is formed at the bottom of the guide rail groove and is matched with the bolt, and a floating block which is connected in the guide rail groove in a sliding mode and is used for fixing the bolt to enable the bolt to move up and down, a guide pillar which is in sliding fit with the upper surface of the inclined guide block is formed on the bolt, and the connecting rod is hinged to the floating block.

Preferably, a boss for limiting the bolt to penetrate out of the bolt hole is formed at the lower part of the bolt.

Furthermore, the bolt is sleeved with a first spring, one end of the first spring abuts against the upper surface of the boss, the other end of the first spring abuts against the surface of a groove step formed below the bolt sleeved with the floating weight, and the width of the cross section of the groove step is larger than or equal to the diameter of the boss of the bolt.

Preferably, a first stop block which faces downwards vertically is formed at the root of the inclined guide block, and a second stop block which faces downwards vertically is formed at the tail end of the inclined guide block.

Further, when the bolt is fixed in the bolt hole, the guide post is formed at the position where the height of the bolt is higher than or equal to the intersection of the second baffle and the inclined guide block.

Preferably, the guide rail groove molding is a semi-surrounding structure with an opening, the sliding locking structure is arranged in the opening of the guide rail groove, and notches for placing the connecting rods are formed at two ends of the guide rail groove.

Preferably, the bottoms of the two ends of the guide rail groove are provided with cushion blocks, so that a gap is formed between the bottom of the guide rail groove and the lower surface of the table top, the sliding cover is formed into a semi-enclosed structure with an opening, the two ends of the opening of the sliding cover are clamped in the gap between the guide rail groove and the table top, and the sliding cover is clamped outside the guide rail groove in a semi-enclosed manner.

Preferably, the top of the bolt is provided with a rebound device, the rebound device comprises a top block which extends out of the top of the bolt and can move up and down and a second spring which is arranged below the top block and in the top of the bolt, the upper part of the top block extends out of the top of the bolt, and the lower part of the top block can be clamped on the top of the bolt.

Preferably, the pin holes are formed in two.

Compared with the prior art, the scheme has simple structure, and the sliding cover is slid to enable the inclined guide block formed at the lower part of the sliding cover to push the plug pin with the guide post to move up and down so as to open or close the sliding locking mechanism, so that the table legs can be rapidly unfolded and stored; and can be quickly rebounded and fixed under the action of the first spring.

Drawings

FIG. 1 is a perspective view of the table leg of the present invention;

FIG. 2 is a schematic side view of the stand of the present invention;

FIG. 3 is an enlarged view of the unfolding portion A of the stand leg of the present invention;

FIG. 4 is a schematic view of the stand of the present invention in a deployed state;

FIG. 5 is a schematic view of the stand of the present invention in a folded state;

FIG. 6 is a perspective view illustrating a process of receiving the table legs according to the present invention;

FIG. 7 is a side view of the process of receiving the table legs of the present invention;

FIG. 8 is an enlarged view of the stage foot storage process part B of the present invention;

FIG. 9 is a perspective view of the table leg of the present invention after being stored;

FIG. 10 is a side view of the table leg of the present invention after being stored;

FIG. 11 is an enlarged view of the C-section of the table leg of the present invention.

Detailed Description

The present invention will be further described with reference to the following detailed description, wherein the upper, lower, left and right aspects are illustrated in the drawings:

example 1:

referring to the attached drawings 1-11, the novel table leg folding mechanism in this embodiment includes a table leg 2 hinged to the bottom of a table top 1, a connecting rod 3 hinged to the table leg 2, and a folding mechanism disposed below the table top 1 and hinged to the connecting rod 3, the folding mechanism includes a guide rail groove 4 fixed to the bottom of the table top 1 and a pair of sliding locking mechanisms 5 slidably connected to the guide rail groove 4, a guide rail axis direction of the guide rail groove 4 is the same as an unfolding and accommodating direction of the table leg 2, the connecting rod 3 is hinged to the sliding locking mechanisms 5, and the sliding locking mechanisms 5 drive the connecting rod 3 to slide along the guide rail groove 4, so as to fold the table leg 2;

the sliding locking mechanism 5 comprises a sliding cover 51 connected on the guide rail groove 4 in a sliding manner, an inclined guide block 52 formed in the sliding cover 51 and a locking mechanism 53 movably connected with the inclined guide block 52 in a matching manner, and the inclined guide block 52 and the sliding cover 51 are integrally formed or welded or glued together; the locking mechanism 53 includes a pin 531 which is engaged with the inclined guide block 52 and can move up and down, a pin hole which is formed at the bottom of the guide rail groove 4 and is engaged with the pin 531, and a slide weight 532 which is slidably connected in the guide rail groove 4 and is used for fixing the pin 531 and can move up and down, a boss 5312 which is used for limiting the pin 531 to penetrate out of the pin hole is formed at the lower part of the pin 531, the boss 5312 is larger than the pin 531 and the pin hole, so that the pin 531 is engaged in the pin hole, a guide post 5311 which is slidably engaged with the upper surface of the inclined guide block 52 is formed on the pin 531, the guide post 5311 is perpendicular to the pin 531, the sliding surface thereof is parallel to the sliding surface of the inclined guide block 52, the pin holes are formed with two pin holes which can be a receiving hole and an expanding hole respectively, the slide weight 532 is engaged in the guide rail groove 4, and the slide weight 532 can slide along the inner rail of the guide rail groove 4, a through hole for clamping the bolt 531 is formed in the middle of the floating block 532, the connecting rod 3 is hinged to the floating block 532, and the table leg 2 is folded under the driving of the floating block 532.

Example 2:

the difference from example 1 is that: the bolt 531 is sleeved with a first spring 5313, one end of the first spring 5313 abuts against the upper surface of the boss 5312, the other end of the first spring 5313 abuts against the surface of a groove step formed below the bolt 531 sleeved with the floating weight 532, the cross section width of the groove step is greater than or equal to the diameter of the boss 5312 of the bolt 531, so that the boss 5312 can move up and down in the groove step, and the first spring 5313 has the function that when the inclined guide block 52 pushes the bolt 531 away from the bolt hole and reaches the next bolt hole, the compressed first spring 5313 rebounds quickly, and can slowly drive the bolt 531 to move down when the inclined guide block 52 does not apply an upward force to the bolt 531, and stably fix the bolt 531 in the bolt hole after reaching the bolt hole.

Example 3:

the difference from example 1 is that: a first stop block 5221 which faces downwards vertically is formed at the root of the inclined guide block 52, the first stop block 5221 is arranged between the inclined guide block 52 and the sliding cover 51, a second stop block 5222 which faces downwards vertically is formed at the tail end of the inclined guide block 52, and the first stop block 5221 is used for limiting the upward movement of the bolt 531 after the bolt 531 is separated from the bolt hole, and can push the bolt 531 to approach the middle of the guide rail groove 4; the second stopper 5222 is used to guide the guide post 5311 onto the inclined guide 52 before the latch 531 is pushed out of the latch hole; when the plug 531 is fixed in the plug hole, the guide post 5311 is formed at a position where the height of the plug 531 is higher than or equal to the intersection of the second stopper 5222 and the inclined guide block 52, so that the guide post 5311 is guided onto the inclined guide block 52 under the action of the second stopper 5222.

Example 4:

the difference from example 1 is that: guide rail groove 4 shaping is for having the open-ended and partly surrounds the structure, slide locking structure 5 sets up in the opening of guide rail groove 4 the both ends shaping of guide rail groove 4 has the confession connecting rod 3 breach of putting, the breach is used for connecting rod 3 keep flat completely under mesa 1, can not with guide rail groove 4 produces alternately contradicts.

Example 5:

the difference from example 1 is that: cushion blocks 41 are arranged at the bottoms of the two ends of the guide rail groove 4, a gap is formed between the bottom of the guide rail groove 4 and the lower surface of the table board 1 after the cushion is raised, the sliding cover 51 is formed into an open semi-surrounded structure, the two open ends of the sliding cover 51 are clamped in the gap between the guide rail groove 4 and the table board 1, and the sliding cover 51 is clamped outside the guide rail groove 4 in a semi-surrounded manner.

Example 6:

the difference from example 1 is that: a rebound device 5314 is arranged at the top of the bolt 531, the rebound device 5314 comprises a top block which can move up and down and extends out of a through hole formed at the top of the bolt 531, and a second spring which is arranged below the top block and is arranged in the top of the bolt 531, the upper part of the top block extends out of the top of the bolt 531, the lower part of the inclined guide block can be clamped in a through hole formed at the top of the bolt 531, when the inclined guide block 52 pushes the bolt 531 away from the bolt hole and reaches the next bolt hole, the bolt 531 moves upwards to the limit position under the action of the inclined guide block 52, the top block of the resilient means 5314 abuts against the inner surface of the guide rail groove 4 to play a role of buffering the bolt 531, when the inclined guide block 52 does not apply an upward force to the latch 531, the latch 531 is slowly moved downward by the same force as the first spring 5313, and stably fixes the pin 531 in the pin hole after reaching the pin hole.

The working principle is as follows:

the table top 1 is in the unfolded state: the table leg 2 is supported by the connecting rod 3, the sliding cover 51 and the locking mechanism 53 of the sliding locking mechanism 5 are positioned at two ends close to the guide rail groove 4, the bolt 531 of the locking mechanism 53 is fixed in the bolt hole (unfolding hole), and the inclined guide block 52 and the guide post 5311 of the bolt 531 do not play a role.

The table top 1 is in a storage state: the sliding cover 51 is pushed towards the center, the sliding cover 51 drives the inclined guide block 52 to approach the guide post 5311 of the pin 531, at this time, the pin 531 cannot move left and right in the fixed pin hole, the guide post 5311 is pushed onto the inclined guide block 52 under the action of the second stopper 5222, the guide post 5311 moves upwards along the inclined guide block 52 under the action of the pushing force, and simultaneously drives the pin 531 to move upwards to start to be separated from the pin hole (the unfolding hole), until the pin 531 is completely separated from the pin, the sliding cover 51 and the inclined guide block 52 can continuously drive the sliding bar 532 of the pin 531 and the fixed pin 531 to move along the guide rail groove 4, and when the pin 531 reaches the top, the pin 531 is limited by the first stopper 5221, and the first stopper 5221 can continuously push the pin 531 to slide, the first spring 5313 is in a compressed state at both the pin 531 and the second spring, and the sliding bar 532 drives the connecting rod 3 to drive the platform leg.

The table board 1 is in a storage state: when the sliding cover 51 is pushed to reach the next bolt hole (accommodating hole), the sliding cover 51 is pushed reversely, or the sliding cover 51 is loosened so that the sliding cover 51 does not apply upward thrust to the inclined guide block 52, under the elastic force action of the first spring 5313 and the second spring, the bolt 531 is pushed downwards, the guide post 5311 moves downwards along the inclined guide block 52 to drive the bolt 531 to move downwards until the bolt 531 is fixed in the bolt hole (accommodating hole), and the connecting rod 3 and the table leg 2 are flatly placed on the lower surface of the table board 1 and are in an accommodating state.

Claims

1. The utility model provides a novel platform foot folding mechanism, including articulate the platform foot under the platform, with platform foot articulated connecting rod and set up under the platform with connecting rod articulated folding mechanism, its characterized in that: the folding mechanism comprises a guide rail groove fixed below the bottom of the table top and a sliding locking mechanism in sliding connection with the guide rail groove, and the connecting rod is connected to the sliding locking mechanism to realize the folding of the table legs; the sliding locking mechanism comprises a sliding cover which is connected on the guide rail groove in a sliding way, an inclined guide block which is formed in the sliding cover and a locking mechanism which is matched and movably connected with the inclined guide block; the locking mechanism comprises a bolt which is matched with the inclined guide block and can move up and down, a bolt hole which is formed at the bottom of the guide rail groove and is matched with the bolt, and a floating block which is connected in the guide rail groove in a sliding mode and is used for fixing the bolt to enable the bolt to move up and down, a guide pillar which is in sliding fit with the upper surface of the inclined guide block is formed on the bolt, and the connecting rod is hinged to the floating block.

2. The novel table leg folding mechanism as claimed in claim 1, characterized in that: and a boss for limiting the bolt to penetrate out of the bolt hole is formed at the lower part of the bolt.

3. The novel table leg folding mechanism is characterized in that: the bolt is sleeved with a first spring, one end of the first spring abuts against the upper surface of the boss, the other end of the first spring abuts against the surface of a groove step formed below the bolt sleeved with the floating block, and the width of the cross section of the groove step is larger than or equal to the diameter of the boss of the bolt.

4. The novel table leg folding mechanism as claimed in claim 1, characterized in that: a first stop block which faces vertically downwards is formed at the root of the inclined guide block, and a second stop block which faces vertically downwards is formed at the tail end of the inclined guide block.

5. The novel table leg folding mechanism of claim 4, characterized in that: when the bolt is fixed in the bolt hole, the guide post is formed at the position where the height of the bolt is higher than or equal to the intersection of the second baffle and the inclined guide block.

6. The novel table leg folding mechanism as claimed in claim 1, characterized in that: guide rail groove shaping is for having the open-ended and partly surrounding the structure, the setting of slip locking structure is in the opening in guide rail groove the both ends shaping in guide rail groove has the confession the breach that the connecting rod was put.

7. The novel table leg folding mechanism as claimed in claim 1, characterized in that: the bottom of the two ends of the guide rail groove is provided with a cushion block, so that a gap is formed between the bottom of the guide rail groove and the lower surface of the table board, the sliding cover is formed into a semi-enclosed structure with an opening, and the two ends of the opening of the sliding cover are clamped in the gap between the guide rail groove and the table board, so that the sliding cover is clamped outside the guide rail groove in a semi-enclosed manner.

8. The novel table leg folding mechanism as claimed in claim 1, characterized in that: the top of bolt is provided with resilient means, resilient means include follow the bolt top stretch out the kicking block that can reciprocate and be in the kicking block below sets up the second spring in the bolt top, the upper portion of kicking block stretches out the bolt top, and its lower part can block the system in the top of bolt.

9. The novel table leg folding mechanism as claimed in claim 1, characterized in that: the bolt hole is formed with two.