CN210018295U

CN210018295U - Folding desktop rotation locking prevents self return device

Info

Publication number: CN210018295U
Application number: CN201920577492.9U
Authority: CN
Inventors: 谭智
Original assignee: Guangzhou Guo Pai Furniture Co Ltd
Current assignee: Guangzhou Guo Pai Furniture Co Ltd
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-02-07
Anticipated expiration: 2029-04-25

Abstract

The utility model discloses a folding table top rotation locking automatic return preventing device, which comprises table legs, wherein the table legs are provided with two groups, a cross beam is arranged above the space between the two groups of table legs, fixed bases are arranged on both sides of the cross beam, and two groups of fixed bases are hinged with supporting and locking components, a table top is arranged above the supporting and locking components, the supporting and locking components comprise a locking box and a push plate, the push plate is movably arranged in the locking box, one end of the push plate is provided with a push fastener, and a push groove is arranged in the push fastener; the utility model discloses a support locking Assembly can use fixed baseplate to rotate more than 90 degrees as the fulcrum, and convenient folding saves space, and can make locking box and fixed baseplate fixed through the push pedal, no matter the desktop flat support gets up or folds up, all can be firmly fixed stay locking Assembly and desktop, avoids rocking, prevents to fall down at the transport or put the in-process.

Description

Folding desktop rotation locking prevents self return device

Technical Field

The utility model relates to a table platform technical field especially relates to a folding desktop rotation locking prevents self return device.

Background

At present, most table tops are fixed, and when the table is not used at ordinary times, the occupied area is large. There are also a few tables on the market in which the table top can be erected. There is no good solution to secure a vertical table top. The desktop is fixed insecure, perhaps potential danger of falling down at the transport or put the in-process, consequently, the utility model provides a rotatory locking of folding desktop prevents the problem that self return device exists in order to solve prior art.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the utility model provides a rotatory locking of folding desktop prevents self return device, this rotatory locking of folding desktop prevents self return device and passes through the hinge effect of locking box and articulated seat, can make to support the locking subassembly and use fixed baseplate to rotate more than 90 degrees as the fulcrum, it is convenient folding, save space, and through the rotation control pole, the effect that utilizes the eccentric shaft can promote to push away the fastener, it promotes the push pedal to push away the fastener, make first fixture block and the second fixture block card in the push pedal go into the first draw-in groove and the second draw-in groove of articulated seat, thereby make locking box and fixed baseplate fixed, no matter the desktop flatly props up or folds up, all can firm fixed stay locking subassembly and desktop, avoid rocking, prevent to fall down at the transport or in-process of putting.

In order to solve the problems, the utility model provides an automatic return device for preventing the rotation locking of a folding table top, which comprises table legs, wherein the table legs are provided with two groups, a cross beam is arranged above the space between the two groups of table legs, fixed bases are arranged on both sides of the cross beam, and two groups of fixed bases are hinged with supporting and locking components, a table top is arranged above the two groups of supporting and locking components, the supporting and locking components comprise a locking box and a push plate, the push plate is movably arranged in the locking box, a push fastener is arranged at one end of the push plate, a push groove is arranged in the push fastener, a control rod is rotatably arranged at one end between the two groups of locking boxes, eccentric shafts are arranged at both ends of the control rod, the eccentric shafts extend to the inside of the locking box, the shaft ends of the eccentric shafts are movably inserted in the push groove, a hinge seat is arranged, and articulated seat extends to the inside of locking box, articulated seat pass through the articulated shaft with the locking box is articulated, one side in the articulated seat is equipped with first draw-in groove, and the opposite side in the articulated seat is equipped with the second draw-in groove, the one end of push pedal both sides all is equipped with the breach, the push pedal is kept away from the one end of pushing away the fastener be equipped with first draw-in groove matched with first fixture block, be equipped with in the breach with second draw-in groove matched with second fixture block.

The further improvement lies in that: and a control panel is arranged on the side wall of the control rod and used for shifting the control rod to rotate.

The further improvement lies in that: both ends of the cross beam are provided with screw holes, and the cross beam is fixed with the table legs through screw holes matched with bolts.

The further improvement lies in that: and the top of the push plate is provided with a limiting plate, and the limiting plate is used for limiting the height of the push plate in the locking box.

The further improvement lies in that: the fixed base is buckled on the cross beam in an inverted concave shape, and two sides of the fixed base are fixed with the cross beam through adjusting screws.

The utility model has the advantages that: the utility model can rotate the supporting and locking component by more than 90 degrees by using the fixed base as a pivot through the hinging action of the locking box and the hinging seat, thereby being convenient for folding and saving space, and the pushing fastener can be pushed by using the action of the eccentric shaft through the rotating control rod, the pushing fastener pushes the push plate, so that the first clamping block and the second clamping block on the push plate are clamped into the first clamping groove and the second clamping groove of the hinging seat, thereby fixing the locking box and the fixed base, the locking component and the desktop can be firmly and fixedly supported no matter the desktop is horizontally supported or folded, the shaking is avoided, the falling in the carrying or placing process is prevented, meanwhile, the rotating control rod pulls the pushing fastener back through the eccentric shaft, the push plate can be pulled back, the first clamping block and the second clamping block are separated from the first clamping groove and the second clamping groove, the locking is released, and the hinging seat is accommodated by utilizing the gap on the push plate, so that the locking box, the desktop can be conveniently rotated, folded or horizontally supported.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a schematic view of a partial structure of the present invention.

Fig. 3 is a schematic view of the support locking assembly of the present invention.

Fig. 4 is a schematic diagram of the push plate of the present invention.

Fig. 5 is a schematic view of the eccentric shaft of the present invention.

Fig. 6 is a schematic view of the hinge seat of the present invention.

Wherein: 1. desk legs; 2. a cross beam; 3. a fixed base; 4. a support locking assembly; 5. a desktop; 6. a locking box; 7. pushing the plate; 8. pushing the fastener; 9. a control lever; 10. an eccentric shaft; 11. a hinged seat; 12. hinging a shaft; 13. a first card slot; 14. a second card slot; 15. a first clamping block; 16. a second fixture block; 17. a control panel; 18. a screw hole; 19. a limiting plate; 20. and adjusting screws.

Detailed Description

In order to deepen the understanding of the present invention, the following embodiments will be combined to make the present invention do further details, and the present embodiment is only used for explaining the present invention, and does not constitute the limitation of the protection scope of the present invention.

According to the figures 1, 2, 3, 4, 5 and 6, the embodiment provides a folding table top rotation locking automatic return preventing device, which comprises two groups of table legs 1, wherein a cross beam 2 is arranged above the two groups of table legs 1, two sides of the cross beam 2 are respectively provided with a fixed base 3, the two groups of fixed bases 3 are respectively hinged with a supporting and locking component 4, a table top 5 is arranged above the two groups of supporting and locking components 4, the supporting and locking components 4 comprise a locking box 6 and a push plate 7, the push plate 7 is movably arranged in the locking box 6, one end of the push plate 7 is provided with a push fastener 8, a push groove is arranged in the push fastener 8, one end of the two groups of locking boxes 6 is rotatably provided with a control rod 9, two ends of the control rod 9 are respectively provided with an eccentric shaft 10, and the eccentric shafts 10 extend to the inside of the locking box 6, and the shaft end of the eccentric shaft 10 is movably inserted into the push groove, the fixed base 3 is provided with a hinged seat 11, the hinged seat 11 extends into the locking box 6, the hinged seat 11 is hinged with the locking box 6 through a hinged shaft 12, so that the supporting and locking assembly 4 rotates for more than 90 degrees by taking the fixed base 3 as a pivot, the folding is convenient, one side in the hinged seat 11 is provided with a first clamping groove 13, the other side in the hinged seat 11 is provided with a second clamping groove 14, one ends of two sides of the push plate 7 are both provided with notches, one end of the push plate 7 far away from the push fastener 8 is provided with a first clamping block 15 matched with the first clamping groove 13, a second clamping block 16 matched with the second clamping groove 14 is arranged in the notch, when in use, the control rod 9 is rotated, the push fastener 8 can be pushed by utilizing the action of the eccentric shaft 10, the push fastener 8 pushes the push plate 7, the first latch 15 and the second latch 16 on the pushing plate 7 are latched into the first latch 13 and the second latch 14 of the hinge base 11, so that the locking box 6 and the fixing base 3 are fixed, and the locking assembly 4 and the table top 5 can be firmly fixed and supported no matter the table top 5 is horizontally supported or folded.

And a control panel 17 is arranged on the side wall of the control rod 9, and the control panel 17 is used for stirring the control rod 9 to rotate.

Both ends of the cross beam 2 are provided with screw holes 18, and the cross beam 2 is fixed with the table legs 1 through the screw holes 18 and matched with bolts, so that the installation is firmer.

A limiting plate 19 is arranged at the top of the push plate 7, and the limiting plate 19 is used for limiting the height of the push plate 7 in the locking box 6, so that the first clamping block 15 and the second clamping block 16 can be accurately clamped into the first clamping groove 13 and the second clamping groove 14.

The fixed base 3 is buckled on the cross beam 2 in an inverted concave shape, and the two sides of the fixed base 3 are fixed with the cross beam 2 through the adjusting screws 20, so that the fixed base is firmer in fixation.

The automatic return device for preventing the rotation locking of the folding table top can enable the supporting and locking assembly 4 to rotate more than 90 degrees by taking the fixed base 3 as a pivot through the hinging action of the locking box 6 and the hinging seat 11, thereby being convenient to fold and saving space, and the pushing fastener 8 can be pushed by utilizing the action of the eccentric shaft 10 through the rotation control rod 9, the pushing fastener 8 pushes the push plate 7, the first clamping block 15 and the second clamping block 16 on the push plate 7 are clamped into the first clamping groove 13 and the second clamping groove 14 of the hinging seat 11, thereby enabling the locking box 6 and the fixed base 3 to be fixed, no matter the table top 5 is horizontally supported or folded, the locking assembly 4 and the table top 5 can be firmly fixed and supported to avoid shaking and prevent falling down in the carrying or placing process, meanwhile, the rotating control rod 9 pulls back the pushing fastener 8 through the eccentric shaft 10, so that the push plate 7 can be pulled back, and the first clamping block 15 and the second clamping block 16 are separated from the first clamping groove 13, the locking is released, and the notch on the push plate 7 is used for accommodating the hinged seat 11 to pass, so that the locking box 6 can rotate through the hinged shaft 12, and the desktop 5 can be conveniently rotated, folded or horizontally supported.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a folding desktop rotation locking prevents self return device, includes table leg (1), its characterized in that: the improved table is characterized in that two groups of table legs (1) are arranged, a cross beam (2) is arranged above the two groups of table legs (1), fixed bases (3) are arranged on two sides of the cross beam (2), supporting and locking assemblies (4) are hinged on the two groups of fixed bases (3), a table top (5) is arranged above the two groups of supporting and locking assemblies (4), each supporting and locking assembly (4) comprises a locking box (6) and a push plate (7), the push plates (7) are movably arranged inside the locking boxes (6), a push fastener (8) is arranged at one end of each push plate (7), a push groove is formed in each push fastener (8), a control rod (9) is rotatably arranged at one end between the two groups of locking boxes (6), eccentric shafts (10) are arranged at two ends of each control rod (9), and the eccentric shafts (10) extend to the inside the locking boxes (6), and the axle head activity of eccentric shaft (10) is inserted and is established push away the inslot, be equipped with articulated seat (11) on fixed baseplate (3), and articulated seat (11) extend to the inside of locking box (6), articulated seat (11) pass through articulated shaft (12) with locking box (6) are articulated, one side in articulated seat (11) is equipped with first draw-in groove (13), and the opposite side in articulated seat (11) is equipped with second draw-in groove (14), the one end of push pedal (7) both sides all is equipped with the breach, push pedal (7) are kept away from the one end of pushing away fastener (8) be equipped with first draw-in groove (13) matched with first fixture block (15), be equipped with in the breach with second draw-in groove (14) matched with second fixture block (16).

2. The folding table top rotation locking automatic return preventing device as claimed in claim 1, wherein: and a control panel (17) is arranged on the side wall of the control rod (9), and the control panel (17) is used for shifting the control rod (9) to rotate.

3. The folding table top rotation locking automatic return preventing device as claimed in claim 1, wherein: both ends of the cross beam (2) are provided with screw holes (18), and the cross beam (2) is fixed with the desk legs (1) through the screw holes (18) in cooperation with bolts.

4. The folding table top rotation locking automatic return preventing device as claimed in claim 1, wherein: the top of push pedal (7) is equipped with limiting plate (19), and limiting plate (19) are used for injecing push pedal (7) height in locking box (6).

5. The folding table top rotation locking automatic return preventing device as claimed in claim 1, wherein: the fixing base (3) is buckled on the cross beam (2) in an inverted concave shape, and two sides of the fixing base (3) are fixed with the cross beam (2) through adjusting screws (20).