CN219306219U - Positioning device for folding table frame - Google Patents

Abstract

The utility model discloses a positioning device for a folding table frame, which relates to the technical field of folding tables and comprises a device main body and a positioning mechanism arranged on the outer wall of the device main body.

Description

Positioning device for folding table frame

Technical Field

The utility model relates to the technical field of folding tables, in particular to a positioning device for a folding table frame.

Background

The folding table is a table with a folding function, and is generally of a steel-wood structure, and in daily folding use of the folding table, the folding table is often required to be positioned and fixed through a positioning device.

The utility model discloses a positioning device for a folding table frame, which mainly comprises a table top cross rod, a foot rod and a sliding sheet, wherein the application number of the positioning device is CN 201256727Y; the two ends of the cross bar are pivoted to the top ends of the foot bars, one end of the sliding sheet is pivoted to the foot bars, and the other end of the sliding sheet is provided with a hook which is movably hooked on a positioning device of the cross bar; in addition, the sliding sheet does not need to be provided with a sliding groove, so that the supporting strength of the sliding sheet is high relative to that of a conventional sliding sheet, and the service life of the folding table frame is ensured.

But this folding table frame positioner is when using, and most all fold the upset connection through the hinge to folding table, and folding table folding upset back auto-lock performance is relatively poor, influences folding table stability when using to and, most folding table all is carrying out the deposit of article through the desktop, and is limited to the storage space of article, influences folding table space usable floor area's problem.

Accordingly, in view of the above, an improvement of the existing structure is proposed.

Disclosure of Invention

The utility model aims to provide a positioning device for a folding table frame, which solves the problems that the self-locking performance of the folding table after folding and overturning is poor, the stability of the folding table is affected when the folding table is used, most of the folding table stores objects through a tabletop, and the storage space of the objects is limited in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the positioning mechanism comprises a sliding component and a swinging component;

the sliding assembly comprises a threaded slide rod, a sliding toothed plate and a fixed groove, wherein the outer wall of the device main body is provided with a threaded rod, one end of the threaded rod is fixedly connected with a knob, the outer wall of the threaded rod is in threaded connection with the threaded slide rod, the outer wall of the threaded slide rod is fixedly connected with the sliding toothed plate which is in sliding connection with the outer wall of the device main body, and the fixed groove is formed in the connecting part of the outer wall of the device main body and the sliding toothed plate;

the swing assembly comprises a gear, a connecting shaft and a swing rod, wherein the outer wall of the sliding toothed plate is meshed with the gear rotationally connected with the outer wall of the device main body, the connecting shaft is fixedly connected with the outer wall of the gear, and the swing rod is fixedly connected with the outer wall of the connecting shaft.

Further, the outer wall fixedly connected with main desktop of device main part, the lateral wall swivelling joint of main desktop has the pivot, the outer wall fixedly connected with auxiliary desktop of pivot, the one end swivelling joint of swinging arms has the connecting block with auxiliary desktop outer wall sliding connection, the spout has been seted up with the connecting block junction to auxiliary desktop's outer wall, the outer wall fixedly connected with of device main part is located the storing box of auxiliary desktop one side.

Further, the sliding toothed plate forms a sliding structure through the threaded rod and the threaded slide rod and the fixed groove, two groups of sliding toothed plates are arranged, and the position distribution of the two groups of sliding toothed plates is symmetrical with respect to the central axis of the threaded slide rod.

Further, the swing rod forms a swing structure through between the gear and the connecting shaft, the swing rod is provided with four groups, and the positions of the four groups of swing rods are distributed around the device main body.

Furthermore, the connecting blocks form a sliding structure through the swing rod and the sliding groove, two groups of connecting blocks are arranged, and the position distribution of the two groups of connecting blocks is symmetrical with respect to the central axis of the auxiliary desktop.

Furthermore, the auxiliary table top forms a turnover structure with the main table top through the connecting block and the rotating shaft, two groups of auxiliary table tops are arranged, and the position distribution of the two groups of auxiliary table tops is symmetrical with the central axis of the main table top.

Further, the storage boxes are provided with two groups, and the position distribution of the two groups of storage boxes is symmetrical with respect to the central axis of the main tabletop.

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

1. according to the folding table, through the arrangement of the threaded rod and the gear, when the folding table is used in daily life, in order to improve stability and positioning effect after the folding table is unfolded, the knob can be rotated to drive the threaded slide rod to move through rotation of the threaded rod, the threaded slide rod is connected to drive the sliding toothed plate to slide along the inner wall of the fixed groove, the sliding toothed plate is driven to rotate through rotation of the gear to further drive the connecting shaft to rotate, the auxiliary table top is further driven to perform overturning motion, so that the effect of self-locking after the auxiliary table top is overturned is achieved, and control operation of improving positioning effect after the folding table is folded is achieved;

2. according to the utility model, through the arrangement of the storage box, when the folding table is used in daily life, articles are stored only through the table top, the storage space is limited, and through the arrangement of the storage box, other articles can be stored below the folding table, so that the control operation of the storage space of the folding table is improved when the folding table is used in daily life.

Drawings

FIG. 1 is a schematic view of a first view angle structure according to the present utility model;

FIG. 2 is a schematic view of a second view angle structure according to the present utility model;

FIG. 3 is a schematic diagram of the motion structure of the swing rod of the present utility model;

fig. 4 is a schematic diagram of a position distribution structure of a storage box according to the present utility model.

In the figure: 1. a device body; 2. a main desktop; 3. an auxiliary desktop; 4. a rotating shaft; 5. a threaded rod; 6. a knob; 7. a threaded slide bar; 8. sliding toothed plates; 9. a fixing groove; 10. a gear; 11. a connecting shaft; 12. a swinging rod; 13. a connecting block; 14. a chute; 15. and a storage box.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1-3, a positioning device for a folding table frame comprises a device main body 1 and a positioning mechanism arranged on the outer wall of the device main body 1, wherein the positioning mechanism comprises a sliding component and a swinging component;

the sliding assembly comprises a threaded slide rod 7, a sliding toothed plate 8 and a fixed groove 9, wherein the threaded rod 5 is arranged on the outer wall of the device main body 1, one end of the threaded rod 5 is fixedly connected with a knob 6, the threaded rod 7 is connected with the outer wall of the threaded rod 5 in a threaded manner, the sliding toothed plate 8 which is in sliding connection with the outer wall of the device main body 1 is fixedly connected with the outer wall of the threaded rod 7, and the fixed groove 9 is formed in the connecting part of the outer wall of the device main body 1 and the sliding toothed plate 8;

the swing assembly comprises a gear 10, a connecting shaft 11 and a swing rod 12, the outer wall of the sliding toothed plate 8 is meshed with the gear 10 which is rotationally connected with the outer wall of the device main body 1, the connecting shaft 11 is fixedly connected with the outer wall of the gear 10, and the swing rod 12 is fixedly connected with the outer wall of the connecting shaft 11.

Further, the sliding toothed plate 8 forms a sliding structure through the threaded rod 5 and the threaded slide rod 7 and the fixed groove 9, the sliding toothed plate 8 is provided with two groups, the position distribution of the two groups of sliding toothed plates 8 is symmetrical about the central axis of the threaded slide rod 7, the sliding toothed plate 8 is driven to slide along the inner wall of the fixed groove 9 through the connection of the threaded slide rod 7 by the rotation of the threaded rod 5, and the effective rotation control operation of the gear 10 is realized.

Further, the swing rod 12 forms a swing structure through the gear 10 and the connecting shaft 11, the swing rod 12 is provided with four groups, the positions of the four groups of swing rods 12 are distributed around the device main body 1, the swing of the gear 10 is facilitated, the swing rod 12 is driven to rotate through the connection of the connecting shaft 11, and the folding table is controlled to perform folding and overturning motions.

Example two

As shown in fig. 1, fig. 2 and fig. 4, compared with the first embodiment, the positioning device for a folding table frame provided by the utility model is used as another implementation mode of the utility model, the outer wall of the main body 1 of the device is fixedly connected with the main table surface 2, the side wall of the main table surface 2 is rotatably connected with the rotating shaft 4, the outer wall of the rotating shaft 4 is fixedly connected with the auxiliary table surface 3, one end of the swinging rod 12 is rotatably connected with the connecting block 13 which is slidably connected with the outer wall of the auxiliary table surface 3, the connecting part of the outer wall of the auxiliary table surface 3 and the connecting block 13 is provided with the sliding groove 14, and the outer wall of the main body 1 of the device is fixedly connected with the storage box 15 which is positioned at one side of the auxiliary table surface 3.

Further, the connecting block 13 forms a sliding structure through between the swinging rod 12 and the sliding groove 14, the connecting block 13 is provided with two groups, the position distribution of the two groups of connecting blocks 13 is symmetrical about the central axis of the auxiliary desktop 3, the movement of the swinging rod 12 is beneficial to driving the connecting block 13 to slide along the inner wall of the sliding groove 14, and the control operation of improving the positioning effect of the folded folding table after the folding table is folded is realized.

Further, the auxiliary table top 3 forms a turnover structure with the main table top 2 through the connecting block 13 and the rotating shaft 4, the auxiliary table top 3 is provided with two groups, the position distribution of the two groups of auxiliary table tops 3 is symmetrical about the central axis of the main table top 2, the sliding of the connecting block 13 is beneficial to driving the auxiliary table top 3 to turn over and fold along one side of the main table top 2 through the connection of the rotating shaft 4, and the control operation of effectively folding the folding table is realized.

Further, the storage boxes 15 are provided with two groups, the position distribution of the two groups of storage boxes 15 is symmetrical about the central axis of the main tabletop 2, and the control operation of improving the storage space of the folding table during daily use is facilitated by arranging the two groups of storage boxes 15 with the position distribution symmetrical about the central axis of the main tabletop 2.

Working principle: when using this folding table frame positioner, firstly, when folding table in daily use, in order to improve stability and location effect after expanding folding table, can rotate knob 6 and drive the motion of screw slide bar 7 through the rotation of threaded rod 5, the connection of screw slide bar 7 drives the sliding toothed plate 8 and slides along the inner wall of fixed slot 9, the sliding of sliding toothed plate 8 drives connecting axle 11 rotation through the rotation of gear 10, simultaneously, the motion of swinging arms 12 is driven in the rotation of connecting axle 11, further, drive vice desktop 3 and overturn the motion, play the effect to the auto-lock effect after vice desktop 3 overturns, realize turning over the folding back to folding table, improve the control operation of folding back location effect of folding table.

Finally, when the folding table is used in daily life, the storage space is limited only by storing articles on the table top, and other articles can be stored below the folding table by arranging the storage box 15, so that the control operation of the storage space of the folding table is improved when the folding table is used in daily life.

This is the working principle of the positioning device for the folding table frame.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (7)

1. The positioning device for the folding table frame comprises a device main body (1) and a positioning mechanism arranged on the outer wall of the device main body (1), and is characterized in that the positioning mechanism comprises a sliding component and a swinging component;

the sliding assembly comprises a threaded sliding rod (7), a sliding toothed plate (8) and a fixed groove (9), wherein a threaded rod (5) is arranged on the outer wall of the device main body (1), one end of the threaded rod (5) is fixedly connected with a knob (6), the threaded sliding rod (7) is connected with the outer wall of the threaded rod (5) in a threaded manner, the sliding toothed plate (8) is fixedly connected with the outer wall of the device main body (1) in a sliding manner, and the fixed groove (9) is formed in the connecting part of the outer wall of the device main body (1) and the sliding toothed plate (8);

the swing assembly comprises a gear (10), a connecting shaft (11) and a swing rod (12), wherein the gear (10) rotationally connected with the outer wall of the device main body (1) is meshed with the outer wall of the sliding toothed plate (8), the connecting shaft (11) is fixedly connected with the outer wall of the gear (10), and the swing rod (12) is fixedly connected with the outer wall of the connecting shaft (11).

2. The folding table frame positioning device according to claim 1, characterized in that the outer wall of the device main body (1) is fixedly connected with a main table surface (2), the side wall of the main table surface (2) is rotationally connected with a rotating shaft (4), the outer wall of the rotating shaft (4) is fixedly connected with an auxiliary table surface (3), one end of the swinging rod (12) is rotationally connected with a connecting block (13) which is slidably connected with the outer wall of the auxiliary table surface (3), a sliding groove (14) is formed in the connecting part of the outer wall of the auxiliary table surface (3) and the connecting block (13), and the outer wall of the device main body (1) is fixedly connected with a storage box (15) positioned on one side of the auxiliary table surface (3).

3. The folding table frame positioning device according to claim 1, wherein the sliding toothed plate (8) forms a sliding structure between the threaded rod (5) and the threaded slide rod (7) and the fixed groove (9), the sliding toothed plate (8) is provided with two groups, and the position distribution of the two groups of sliding toothed plates (8) is symmetrical with respect to the central axis of the threaded slide rod (7).

4. The folding table frame positioning device according to claim 1, wherein the swinging rods (12) form a swinging structure between the gear (10) and the connecting shaft (11), the swinging rods (12) are provided with four groups, and the positions of the four groups of swinging rods (12) are distributed around the device main body (1).

5. The positioning device for the folding table frame according to claim 2, wherein the connecting blocks (13) form a sliding structure through a swinging rod (12) and a sliding groove (14), the connecting blocks (13) are provided with two groups, and the position distribution of the two groups of connecting blocks (13) is symmetrical with respect to the central axis of the auxiliary table top (3).

6. The folding table frame positioning device according to claim 2, wherein the auxiliary table top (3) and the main table top (2) form a turnover structure through a connecting block (13) and a rotating shaft (4), the auxiliary table top (3) is provided with two groups, and the position distribution of the two groups of auxiliary table tops (3) is symmetrical with respect to the central axis of the main table top (2).

7. A folding table top positioning device according to claim 2, characterized in that the storage boxes (15) are provided in two groups, the position distribution of the two groups of storage boxes (15) being symmetrical with respect to the central axis of the main table top (2).

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