CN204444748U - The latch-up structure of folding table supporting leg on a kind of bed - Google Patents

Abstract

The utility model relates to a locking structure for the supporting legs of a folding table on a bed, wherein the supporting legs are two "冂"-shaped supporting legs arranged on the bottom surface of the table board of the folding table, and the middle part of the "冂"-shaped supporting legs is arranged There is a support part that protrudes downward when the "冂" type support leg is in a folded state, and the locking structure includes an elastic limiter located on the bottom surface of the table and outside the support part, when the "冂" type support When the legs are in the unfolded state, the elastic limiter is pressed against the support portion. Through the locking structure of the utility model, the unfolded supporting legs can be locked, preventing the supporting legs from turning inward unexpectedly, and improving the stability and safety of use.

Description

A locking structure for supporting legs of a folding table on a bed

technical field

The utility model relates to a bed folding table, in particular to a locking structure for supporting legs of the bed folding table.

Background technique

In order to allow people to read books or use computers on the bed, there is a folding table on the bed in the prior art, and a foldable structure is used between the table board and the supporting legs of this table to connect. When the supporting legs of the existing bed folding table are unfolded to the working state, the stability is not good. The supporting legs are easy to rotate outwards, and when the supporting legs are not unfolded in place, they are easy to rotate inwards to cause tipping. In order to improve the bearing capacity of the supporting legs, the utility model patent with the authorized announcement number CN201822239U discloses "a new type of bed desk". ""-shaped support legs are respectively hinged on the bottom surface of the desktop by at least one fixing piece, and a support portion protruding downward when the "冂"-shaped support legs are in a folded state is provided in the middle of the "冂"-shaped support legs; through the support When the supporting legs are unfolded, the desktop is supported, which limits the further outward rotation of the supporting legs, increases the bearing capacity of the supporting legs, and improves the stability of the table. However, after the supporting legs are unfolded, they can still rotate inward freely, and are prone to tipping over due to improper use, and the stability is still poor.

Utility model content

In view of the above deficiencies in the prior art, the purpose of this utility model is to provide a locking structure for the supporting legs of the folding table on the bed, through which the unfolded supporting legs can be locked to prevent the supporting legs from turning inward accidentally, Improve the stability and security of use.

The technical scheme that the utility model solves the problems of the technologies described above is:

A locking structure for the supporting legs of a folding table on a bed, wherein the supporting legs are two "冂"-shaped supporting legs arranged on the bottom surface of the table board of the folding table, and the middle part of the "冂"-shaped supporting legs is provided with a ""-shaped support legs are support parts that protrude downward when they are in a folded state; the locking structure includes elastic stoppers arranged on the bottom surface of the table and outside the support parts. , the elastic limiting member is pressed against the supporting portion.

In a preferred solution of the present utility model, wherein the elastic limiter includes a vertical extension and a horizontal extension, wherein the vertical extension is fixedly connected to the table, and the horizontal extension is connected to the vertical extension And extend toward the support part, when the "冂" type support leg is in the unfolded state, the horizontal extension part is pressed against the support part.

The working principle of the above-mentioned preferred solution is: during the unfolding process of the support legs, the support part first contacts the horizontal extension part and forcibly squeezes the horizontal extension part outwards, at this time the vertical extension part will elastically deform outwards, The support part can be gradually squeezed under the horizontal extension part, until the supporting legs are fully unfolded, the vertical extension part undergoes a certain elastic recovery, so that the horizontal extension part presses the support part under it, realizing Locking of the supporting legs.

Preferably, the support portion is in the shape of an arc, the vertical extension portion is arranged in an arc-shaped structure consistent with the shape of the support portion, and the horizontal extension portion is arranged in the middle of the vertical extension portion. In this way, the vertical extension part has better strength and is not easy to fail, and when the support leg is unfolded, the vertical extension part usually also presses the support part, and the shape of the two is set to be consistent, which can Provides greater locking force.

Preferably, one end of the horizontally extending portion facing the supporting portion is provided with a rounded corner. This is beneficial for the support part to squeeze into the bottom of the horizontally extending part smoothly.

A preferred solution of the present utility model, wherein, the "冂" type support leg is connected to the table board through two rotating positioning seats, and the two rotating positioning seats are arranged at both ends of the supporting part; The positioning seats are connected into one body through an intermediate connecting piece, and the bottom of the vertically extending part is connected to the intermediate connecting piece. In this way, the rotation positioning seat and the elastic limiter can be integrated into a whole, which not only facilitates the fixed connection with the table board, but also facilitates manufacture and saves cost.

Preferably, a reinforcing rib is provided between the vertical extension part and the intermediate connecting piece. This can improve the rigidity of the vertically extending portion and increase the locking force.

Preferably, both ends of the vertical extension part are respectively connected with two rotation positioning seats. This is beneficial to improving the rigidity of the vertical extension and increasing the locking force.

Preferably, the rotation positioning seat and the intermediate connecting piece are fixed on the table board by screws, and the connection is more convenient and reliable.

A preferred solution of the present utility model, wherein, the elastic limiting member is made of plastic. It has the advantages of good elasticity, low cost and easy molding.

A preferred solution of the present utility model, wherein, the inner walls of the two rotating positioning seats are provided with a plurality of convex rings and raised lines, wherein, the convex rings extend along the circumferential direction of the inner walls of the rotating positioning seats, and the The convex line extends axially along the inner wall of the rotating positioning seat. Its function is to press the surface of the support leg located in the rotating positioning seat to increase the friction force, thereby increasing the locking force of the support leg when it is in the unfolded state, and further ensuring that the support leg will not rotate inward accidentally.

The working principle of the utility model is: when the support leg is unfolded, the support part will contact the elastic limiter and squeeze the support part outward, so that the elastic limiter is elastically deformed outward. When the support leg is fully unfolded , the elastic force of the elastic limiter due to elastic deformation enables it to be pressed against the support part, thereby locking the support part, so that the support legs are not easy to rotate inwards, and the stability is improved; when the support legs need to be folded, A certain external force is applied, so that the support part is forcibly disengaged from the elastic limiter, and the elastic limiter returns to its original shape.

Compared with the prior art, the utility model has the following beneficial effects:

When the supporting legs are unfolded, since the elastic limiter locks the supporting part, the supporting legs are not easy to accidentally rotate inwards, which improves the stability and safety of use.

Description of drawings

Figure 1 and Figure 2 are structural schematic diagrams of a specific embodiment of the locking structure of the supporting legs of the folding table on the bed according to the present invention, wherein Figure 1 is a structural schematic diagram of the supporting legs in a folded state, and Figure 2 is a structural schematic diagram of the supporting legs in an unfolded state Schematic diagram of the structure.

Fig. 3 is a schematic structural view of the integrated part in Fig. 1 and Fig. 2 .

4 to 6 are structural schematic diagrams of another specific embodiment of the locking structure of the supporting legs of the folding table on the bed according to the present invention, wherein FIG. 4 is the main view, FIG. 5 is the left view, and FIG. 6 is A-A of FIG. 4 cutaway view.

Detailed ways

The utility model will be further described in detail below in conjunction with the embodiments and accompanying drawings, but the implementation of the utility model is not limited thereto.

Example 1

Referring to Figures 1 to 3, in the locking structure of the supporting legs of the folding table on the bed of the present invention, the supporting legs 2 are two "冂" type supporting legs arranged on the bottom surface of the table board 1 of the folding table, and the "冂" The middle part of the type support leg is provided with the support portion 2-1 that protrudes downward when the "冂" type support leg is a folded state. The locking structure includes an elastic limiter located on the bottom surface of the table board 1 and outside the support part 2-1. on the support part 2-1.

Referring to Figures 1 to 3, the elastic limiter includes a vertical extension 3-1 and a horizontal extension 3-2, wherein the vertical extension 3-1 is fixedly connected to the table 1, and the horizontal extension 3-2 is connected to the vertical extension part 3-1 and extends toward the support part 2-1. When the "冂" type support leg is in the unfolded state, the horizontal extension part 3-2 is pressed against the support part Section 2-1 on. The support part 2-1 is arc-shaped, the vertical extension part 3-1 is arranged in an arc-shaped structure consistent with the shape of the support part 2-1, and the horizontal extension part 3-2 is arranged in the vertical The middle part of the extension part 3-1, so that the vertical extension part 3-1 has better strength and is not easy to fail, and when the supporting legs are unfolded, the vertical extension part usually also presses the support part Tight, setting the shape of the two to be consistent can provide greater locking force. The end of the horizontal extension part 3-2 facing the support part 2-1 is provided with a rounded corner, which is beneficial for the support part 2-1 to squeeze into the bottom of the horizontal extension part 3-2 smoothly.

Referring to Figures 1 to 3, the "冂" type support legs are connected to the table board 1 through two rotating positioning seats 3-3, and the two rotating positioning seats 3-3 are arranged on the supporting part 2-1 The two ends of the support leg 2 form a rotatable connection with the table top 1. The two rotating positioning seats 3-3 are integrated through the intermediate connecting piece 3-4, and the bottom of the vertical extension 3-1 is connected to the intermediate connecting piece 3-4, so that the rotating positioning seat 3- 3 and the elastic limiter are made into a whole, which not only facilitates the fixed connection with the table board 1, but also facilitates manufacture and saves cost. A reinforcing rib 3-5 is provided between the vertical extension part 3-1 and the intermediate connecting piece 3-4, and the two ends of the vertical extension part 3-1 are respectively connected with two rotating positioning seats 3-3, This is beneficial to improving the rigidity of the vertically extending portion 3-1 and increasing the locking force. The rotation positioning seat 3-3 and the intermediate connecting piece 3-4 are fixed on the table board 1 by screws 4, and the connection is more convenient and reliable.

Referring to Fig. 3, the two rotating positioning seats 3-3, the vertical extension part 3-1, the horizontal extension part 3-2 and the reinforcing rib 3-5 are an integral part 3, and the integral part 3 is made of plastic through injection molding forming.

The working principle of the utility model is: during the unfolding process of the support leg 2, the support part 2-1 first contacts the horizontal extension part 3-2 and forces the horizontal extension part 3-2 to be pressed outwards. The vertical extension 3-1 will be elastically deformed outward, so that the support part 2-1 can be gradually squeezed under the horizontal extension 3-2, until the supporting legs are fully unfolded, the vertical extension 3-1 performs a certain elastic recovery, so that the horizontal extension part 3-2 presses the support part 2-1 under it to realize the locking of the support leg 2; when the support leg 2 needs to be folded, a certain external force is applied to make the support Part 2-1 is forcibly disengaged from the elastic limiter, and the elastic limiter returns to its original shape.

Example 2

Referring to Figures 4 to 6, in this embodiment, a plurality of protruding rings 3-6 and protruding lines 3-7 are provided on the inner walls of the two rotating positioning seats 3-3, wherein the protruding rings 3-6 Extending along the circumferential direction of the inner wall of the rotating positioning seat 3-3, the convex strip 3-7 extends along the axial direction of the inner wall of the rotating positioning seat 3-3. Each protruding ring 3-6 is formed by protruding outward from the inner wall surface of the rotating positioning seat 3-3, and a plurality of protruding rings 3-6 are evenly distributed along the axial direction of the rotating positioning seat 3-3. Its function is to compress the surface of the supporting leg located in the rotating positioning seat 3-3 to increase the frictional force, thereby increasing the locking force of the supporting leg when it is unfolded, and further ensuring that the supporting leg will not rotate inward accidentally.

The above-mentioned unexpected other embodiments of this embodiment are the same as those of Embodiment 1.

The above is a preferred implementation of the utility model, but the implementation of the utility model is not limited by the above content, and any other changes, modifications, substitutions, combinations, Simplification should be equivalent replacement methods, all of which are included in the protection scope of the present utility model.

Claims (10)

1. A locking structure for the supporting legs of a folding table on a bed, wherein the supporting legs are two "冂" type supporting legs arranged on the bottom surface of the table board of the folding table, and the middle part of the "冂" type supporting legs is provided with The "冂" type support leg is a support part that protrudes downward when it is folded; it is characterized in that the locking structure includes an elastic limiter located on the bottom surface of the table and outside the support part, when the "冂" When the type support leg is in the unfolded state, the elastic limiter is pressed against the support portion. 2. The locking structure of the supporting legs of the bed folding table according to claim 1, wherein the elastic limiter includes a vertical extension and a horizontal extension, wherein the vertical extension is fixed to the table board The horizontal extension part is connected to the vertical extension part and extends toward the support part. When the "冂" type support leg is in an unfolded state, the horizontal extension part is pressed against the support part. 3. The locking structure of the supporting legs of the folding table on the bed according to claim 2, characterized in that, the supporting part is in the shape of an arc, and the vertical extension part is arranged in an arc-shaped structure consistent with the shape of the supporting part , the horizontal extension is disposed in the middle of the vertical extension. 4. The locking structure of the supporting legs of the bed folding table according to claim 2 or 3, characterized in that, one end of the horizontally extending portion facing the supporting portion is provided with a rounded corner. 5. The locking structure of the supporting legs of the folding table on the bed according to claim 2, characterized in that, the "冂" type supporting legs are connected to the table board through two rotating positioning seats, and the two rotating positioning seats are set At the two ends of the support part; the two rotating positioning seats are integrated through the middle connecting piece, and the bottom of the vertically extending part is connected to the middle connecting piece. 6 . The locking structure of the supporting legs of the bed folding table according to claim 5 , wherein a reinforcing rib is provided between the vertical extension portion and the middle connecting piece. 7 . 7. The locking structure of the supporting legs of the bed folding table according to claim 5 or 6, characterized in that, the two ends of the vertical extension part are respectively connected with two rotating positioning seats. 8. The locking structure of the supporting legs of the folding table on the bed according to claim 5, wherein the rotating positioning seat and the intermediate connecting piece are fixed on the table board by screws. 9. The locking structure of the supporting legs of the bed folding table according to claim 1, wherein the elastic limiting member is made of plastic. 10. The locking structure of the supporting legs of the folding table on the bed according to claim 1, characterized in that, the inner walls of the two rotating positioning seats are provided with a plurality of protruding rings and raised lines, wherein the protruding rings are along the The inner wall of the rotating positioning seat extends in the circumferential direction, and the protrusion extends along the axial direction of the inner wall of the rotating positioning seat.