CN220360220U

CN220360220U - Table top lifting multipurpose tea table

Info

Publication number: CN220360220U
Application number: CN202321527638.1U
Authority: CN
Inventors: 张明明; 周朝凯
Original assignee: Foshan Kaikang Hardware Products Co ltd
Current assignee: Foshan Kaikang Hardware Products Co ltd
Priority date: 2023-06-14
Filing date: 2023-06-14
Publication date: 2024-01-19
Anticipated expiration: 2033-06-14

Abstract

The utility model relates to the technical field of furniture and discloses a multipurpose tea table with a liftable table top, which comprises a tea table underframe, wherein the tea table underframe is provided with a top frame, a panel is arranged at the frame part of the top frame through a parallelogram folding bracket, the lower ends of a front swing arm and a rear swing arm of the parallelogram folding bracket are respectively pivoted on the inner side wall surface of the frame part through pin shafts, a long sleeve body is arranged between the front swing arm and the inner side wall surface of the frame part, a short sleeve body is arranged between the rear swing arm and the inner side wall surface of the frame part, a pin shaft pivoted on the inner side wall surface of the frame part extends and protrudes out of the front swing arm to form a screw part, a locking nut is connected on the screw part in a threaded manner, one end of the screw part close to the front swing arm is provided with a limiting end surface, and the front swing arm is pivoted on the pin shaft and limited between the limiting end surface and the long sleeve body for rotation; the locking and positioning device of the parallelogram folding bracket of the tea table and the folding bracket are integrally arranged, simple, convenient to operate and high in locking strength and strength.

Description

Table top lifting multipurpose tea table

Technical Field

The utility model relates to the technical field of furniture, in particular to a tea table.

Background

As shown in figure 1, the prior multipurpose tea table comprises a foot tube and a top frame, wherein the top frame is divided into a large frame part capable of being provided with two panels and a small frame part capable of being provided with one panel by a separation beam, the two panels are respectively arranged on the large frame part and the small frame part by a parallelogram folding bracket, and the parallelogram folding bracket is folded and is retracted in the frame part, so that the panels are covered and adhered on the top surface of the top frame, and the common tea table is in a use state; when the parallelogram folding bracket is unfolded, the panels are lifted and suspended towards the outer side of the top frame, and at the moment, each panel is used as a table top and is in a table body use state such as a dining table.

The parallelogram folding bracket consists of a bracket arm fixed on the bottom surface of the panel, and a front swing arm and a rear swing arm which are respectively hinged at two ends of the bracket arm, wherein the front swing arm and the rear swing arm are parallel and staggered, the rear swing arm can be folded at the outer side of the front swing arm when being folded, the lower ends of the front swing arm and the rear swing arm are respectively pivoted on the inner side wall surface of the frame part through pins, and colloid with different lengths are respectively arranged between the front swing arm and the rear swing arm and the inner side wall surface of the frame part so as to realize the dislocation of the front swing arm and the rear swing arm; in order to keep the parallelogram folding bracket stable after being unfolded, bolt holes are correspondingly formed in the inner side wall surfaces of the front swing arms and the frame part, a bolt is hung on a reinforcing connecting rod between the front swing arms through a rope, and the parallelogram folding bracket is kept stable through the bolt inserted on the bolt holes; however, this latch locking method still has drawbacks and disadvantages: 1. the bolt is not compact enough to be hung by the rope and is easy to be lost due to rope breakage; 2. the bolt is generally made of plastic materials, and even after the bolt hole is inserted, the panel can be turned over under high force, so that the bolt is deformed to influence the normal use again.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide the multipurpose tea table with the liftable table top, and the locking and positioning device of the parallelogram folding bracket and the folding bracket of the tea table are integrally arranged, simple and convenient to operate, and have high locking strength and strength.

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

the utility model provides a mesa liftable multipurpose tea table, including tea table chassis, tea table chassis has the top frame, the frame portion of top frame has the panel through parallelogram folding support, parallelogram folding support comprises the bracket that fixes in the panel bottom surface and articulates in the preceding swing arm at bracket both ends respectively, the back swing arm is constituteed, preceding swing arm, the lower extreme of back swing arm is equipped with the long cover body between the inside wall face of preceding swing arm and frame portion respectively through the pivot dress in the inside wall face of frame portion, be equipped with the short cover body between the inside wall face of back swing arm and frame portion, the round pin axle extension protrusion in preceding swing arm formation screw rod portion in the inside wall face of frame portion before the pivot dress, threaded connection lock nut on the screw rod portion, the one end that the screw rod portion is close to preceding swing arm has spacing terminal surface, preceding swing arm pivot dress is in the round pin axle and spacing and rotate between spacing terminal surface and the long cover body.

The utility model has the following beneficial effects:

1. after the panel is lifted by unfolding the parallelogram folding bracket, the locking nut on the screw rod part is screwed by rotation, and the locking nut is tightly abutted against the side surface of the front swing arm to lock and fix the front swing arm between the locking nut and the long sleeve body so as to keep the stability of the unfolded parallelogram folding bracket, and the locking positioning device formed by the locking nut and the screw rod part and the parallelogram folding bracket have high integrity in structural arrangement, simple arrangement mode and difficult loss;

2. the locking and positioning mode of screwing the locking nut is simple and convenient to operate, and the locking strength and strength of the locking mode are higher than those of the locking mode of the plastic bolt.

Drawings

FIG. 1 is a diagram of the structure of a conventional multipurpose tea table;

FIG. 2 is a diagram showing the structure of the table top lifting multipurpose tea table of the utility model;

FIG. 3 is an enlarged partial block diagram of the embodiment of FIG. 2;

FIG. 4 is a diagram showing the construction of another embodiment of the table top lifting multipurpose tea table of the present utility model;

fig. 5 is a view showing another structure of a sleeve fixing structure of the male screw sleeve of the screw portion of the embodiment of fig. 4.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific embodiments so as to more clearly understand the technical ideas claimed in the present utility model.

As shown in fig. 2 and 3, the table top lifting multipurpose tea table comprises a foot tube 1, a top frame 2 and a panel 3, wherein the top frame 2 and the foot tube 1 are welded to form a tea table underframe, the top frame 2 is divided by a separation beam 20 to form a first frame part 21 with a larger area and capable of being used for folding and installing two panels 3, and a second frame part 22 with a smaller area and capable of being used for folding and installing a single panel 3, and the panel 3 is installed on the first frame part 21 and the second frame part 22 by a parallelogram folding bracket 4. The parallelogram folding bracket 4 is composed of a bracket arm 41 fixed on the bottom surface of the panel 3, and a front swing arm 42 and a rear swing arm 43 respectively hinged at two ends of the bracket arm 41, wherein the lower ends of the front swing arm 42 and the rear swing arm 43 are respectively pivoted on the inner side wall surface of the connected frame part through a pin shaft 44, a long sleeve 45 is arranged between the inner side wall surfaces of the front swing arm 42 and the frame part, a short sleeve 46 is arranged between the rear swing arm 43 and the inner side wall surface of the frame part, so that the front swing arm 42 and the rear swing arm 43 are parallel and arranged in a staggered mode, and the rear swing arm 43 can be folded on the outer side of the front swing arm 42 during folding.

The pin shaft 44 pivotally mounted on the inner side wall surface of the connected frame part extends and protrudes out of the front swing arm 42 to form a screw rod part 47, the screw rod part 47 is integrally arranged on the pin shaft 44, a lock nut 48 is connected to the screw rod part 47 in a threaded manner, one end of the screw rod part 47 close to the front swing arm 42 is provided with a limiting end face 471, the front swing arm 42 is pivotally mounted on the pin shaft 44 and limited between the limiting end face 471 and the long sleeve body 45 to rotate, after the parallelogram folding bracket 4 is unfolded, the lock nut 48 is screwed tightly against the side surface of the front swing arm 42, and the front swing arm 42 is locked and fixed between the lock nut 48 and the long sleeve body 45 to keep stability of the parallelogram folding bracket 4 after being unfolded; in the mode that the screw rod part 47 and the pin shaft 44 are integrally arranged, the pin shaft 44 is penetrated and pivoted on the front swing arm 42 in advance during production and assembly, one end, far away from the screw rod part 47, of the pin shaft 44 is sleeved with the long sleeve 45, and then the pin shaft 44 is welded and fixed on the inner side wall surface of the frame part.

A locking hole 472 extending along the radial direction of the screw portion 47 can be formed on the peripheral surface of the outer end of the screw portion 47 by tapping, after the locking nut 48 is screwed into the screw portion 47, an inner hexagonal headless bolt is screwed into the locking hole 472, so that the locking nut 48 can be prevented from screwing out of the screw portion 47, and the locking nut 48 is always connected to the screw portion 47.

As shown in fig. 4, the screw portion 47 may be formed by fixing an external thread sleeve 49 on the pin shaft 44 in a sleeved manner, the external end of the external thread sleeve 49 is provided with a fastening end wall 491 corresponding to the end face of the pin shaft 44, a mounting hole 492 is formed through the center of the fastening end wall 491, a fastening screw hole 440 is formed in the center of the end face of the pin shaft 44, the external thread sleeve 49 is firmly fixed on the pin shaft 44 in a sleeved manner by being connected to the mounting hole 492 and the fastening screw hole 440 through screws, and a locking hole 472 may be formed on the peripheral surface of the external end of the external thread sleeve 49; different from the former arrangement, the long sleeve body 45 is sleeved on the pin shaft 44, and after the front swing arm 42 is pivoted on the pin shaft 44, the external thread sleeve 49 is fixed on the pin shaft 44, so that the production and assembly modes are different.

The external thread sleeve 49 can also adopt a structural form as shown in fig. 5, the outer end of the external thread sleeve 49 is provided with a fastening end wall 491 corresponding to the end face of the pin shaft 44, a welding wall edge 493 is formed by a central opening of the fastening end wall 491, the external thread sleeve 49 is sleeved on the pin shaft 44, the fastening end wall 491 and the end face of the pin shaft 44 are welded along the welding wall edge 493, the quick sleeving and fixing of the external thread sleeve 49 can be completed under the condition of tapping without opening, and the fastening and fixing of the external thread sleeve 49 are durable and firm relative to screws.

According to the table top lifting multipurpose tea table, after the panel 3 is lifted by unfolding the parallelogram folding bracket 4, the locking nut 48 on the screw rod part 47 is screwed, the locking nut 48 is tightly abutted against the side surface of the front swinging arm 42 to lock and fix the front swinging arm 42 between the locking nut 48 and the long sleeve body 45, so that the stability of the unfolded parallelogram folding bracket 4 is maintained; the locking and positioning device formed by the locking nut 48 and the screw rod part 47 and the parallelogram folding bracket 4 have high integrity in structural arrangement, and the locking and positioning mode of screwing the locking nut 48 is simple and convenient to operate, and the locking strength and strength of the locking mode of the locking device are higher than those of the locking mode of a plastic bolt.

Various other corresponding changes and modifications will occur to those skilled in the art from the foregoing description and the accompanying drawings, and all such changes and modifications are intended to be included within the scope of the present utility model as defined in the appended claims.

Claims

1. The utility model provides a table surface liftable multipurpose tea table, includes tea table chassis, tea table chassis has the top frame, the frame portion of top frame is through parallelogram folding support installation panel, parallelogram folding support by fix the bracket arm at panel bottom surface with respectively articulated in preceding swing arm, the back swing arm at bracket arm both ends constitute, preceding swing arm the lower extreme of back swing arm is equipped with long cover body between the inside wall face of preceding swing arm and frame portion respectively through the pivot dress in the inside wall face of frame portion, be equipped with short cover body between the inside wall face of back swing arm and frame portion, its characterized in that, the pivot dress preceding swing arm in the inside wall face of frame portion the round pin axle extend the protrusion in preceding swing arm forms screw rod portion threaded connection lock nut on the screw rod portion, the screw rod portion be close to preceding swing arm's one end has spacing terminal surface, preceding swing arm pivot dress in the round pin axle and spacing rotate between the long cover body.

2. The table top lifting multipurpose tea table according to claim 1, wherein a locking hole extending along the radial direction of the screw rod part is formed in the peripheral surface of the outer end of the screw rod part, and the locking hole is in threaded connection with an inner hexagonal headless bolt after the locking nut is screwed into the screw rod part.

3. The table top liftable multipurpose tea table of claim 2, wherein the screw portion is integrally provided to the pin shaft.

4. The table top lifting multipurpose tea table as claimed in claim 2, wherein the screw part is an external screw sleeve sleeved and fixed on the pin shaft.

5. The table top lifting multipurpose tea table as claimed in claim 4, wherein the outer end of the external thread sleeve is provided with a fastening end wall corresponding to the end face of the pin shaft, a mounting hole is formed through the center of the fastening end wall, a fastening screw hole is formed in the center of the end face of the pin shaft, and a screw is connected to the mounting hole and the fastening screw hole.

6. The table top lifting multipurpose tea table as claimed in claim 4, wherein the outer end of the external thread sleeve is provided with a fastening end wall corresponding to the end face of the pin shaft, a welding wall edge is formed by a central opening of the fastening end wall, and the external thread sleeve is sleeved on the pin shaft and welds the fastening end wall and the end face of the pin shaft along the welding wall edge.