CN216907320U - Folding chair back placing frame - Google Patents

Abstract

The utility model provides a folding chair back placing frame which comprises two upright posts, wherein supporting units are arranged at the bottoms of the upright posts, a placing frame is rotatably connected between the two upright posts and comprises a bottom plate and four side plates, a positioning unit is detachably connected between the two upright posts and is positioned at the bottom of the placing frame and used for positioning the placing frame, the positioning unit comprises a telescopic rod and a positioning rod, the telescopic rod comprises a middle section and two movable ends, the two movable ends are respectively positioned at the two ends of the middle section and are in sliding connection with the middle section, at least one positioning rod is fixedly arranged on the middle section, the positioning rod and the telescopic rod are mutually vertical, square fixing grooves are formed in the opposite side surfaces of the upright posts, and the fixing grooves are used for the movable ends of the telescopic rod to be embedded. The utility model solves the problem that the placing rack in the prior art is large in size and fixed in structure, so that the placing rack occupies space when a chair back does not need to be placed, and the placing of other equipment is influenced.

Description

Folding chair back placing frame

Technical Field

The utility model relates to the technical field of placing equipment, in particular to a folding chair back placing frame.

Background

The back of the chair is the necessary component of in-process of chair production, and some miscellaneous scrabbles of the back of the chair in the workshop are piled in a heap, and some can place on large-scale rack, and current rack is bulky and the structure is fixed, and when need not place the back of the chair like this, rack occupation space to influence placing of other equipment.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a foldable chair back placing frame, which solves the problem that the placing frame in the prior art is large in size and fixed in structure, so that when a chair back does not need to be placed, the placing frame occupies space, and the placing of other equipment is influenced.

The technical purpose of the utility model is realized by the following technical scheme:

the utility model provides a foldable back of chair rack, includes two stands the bottom of stand is equipped with the support element, two rotate between the stand and be connected with and place the frame, it includes a bottom plate and four curb plates, two to place the frame can dismantle between the stand and be connected with positioning unit, positioning unit is located the bottom of placing the frame, positioning unit is used for the location to placing the frame, positioning unit includes telescopic link and locating lever, the telescopic link includes interlude and two expansion ends, two the expansion end is located the both ends of interlude respectively and all with interlude sliding connection, the fixed at least one locating lever that is equipped with of interlude, locating lever and telescopic link mutually perpendicular, be equipped with square fixed slot on the opposite side of stand, the fixed slot is used for supplying the expansion end embedding of telescopic link.

Through adopting above-mentioned technical scheme, when the back of the chair was placed to needs, will place the frame and rotate horizontal position, place the positioning unit in the bottom of placing the frame, lengthen two expansion ends of telescopic link, make in its embedding fixed slot to fix placing the frame, when need not place the back of the chair, shorten two expansion ends of telescopic link, make it break away from and place the frame, rotate and place frame to vertical position, so both conveniently dismantled and practiced thrift the space again.

The utility model is further configured to: the upper surface of locating lever is fixed and is equipped with two above fixture blocks, the lower surface of placing the frame is equipped with the draw-in groove with fixture block one-to-one, the fixture block embedding draw-in groove.

Through adopting above-mentioned technical scheme, when fixedly placing the frame, with fixture block embedding draw-in groove, strengthen the stability of structure like this, break away from the positioning unit and place the frame, rotate and place frame to vertical position, place the frame draw-in groove with the fixture block embedding again in, make the workshop clean and tidy like this, avoid losing of positioning unit.

The utility model is further configured to: the supporting unit comprises a supporting rod, and universal wheels are arranged at two ends of the supporting rod.

Through adopting above-mentioned technical scheme, the universal wheel is convenient for remove back of the chair rack.

The utility model is further configured to: the upper surface of the bottom plate is provided with a strip-shaped groove.

Through adopting above-mentioned technical scheme, the bar recess is used for placing the back of the chair, with the vertical placing of the back of the chair, improves space utilization.

The utility model is further configured to: the bearing is arranged at the position, close to the upright post, of the placement frame, the installation rod is arranged on the upright post, and the inner ring of the bearing is fixedly connected with the installation rod.

Through adopting above-mentioned technical scheme, realize placing the rotation of frame through the bearing, be convenient for fold.

The utility model is further configured to: the movable end is provided with a push-pull block.

By adopting the technical scheme, the push-pull block is convenient for moving the movable end.

The utility model is further configured to: the placing frame is provided with at least one placing frame.

Through adopting above-mentioned technical scheme, more frame of placing improves the utilization ratio in space.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic structural diagram of a positioning unit;

fig. 3 is a schematic view of the bottom structure of the placement frame.

In the above drawings: 2. a column; 21. a support bar; 211. a universal wheel; 3. placing the frame; 31. a strip-shaped groove; 32. a card slot; 22. mounting a rod; 51. a middle section; 52. a movable end; 521. a push-pull block; 6. positioning a rod; 61. and (7) clamping blocks.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments.

Example (b):

a folding chair back placing frame comprises two upright posts 2, wherein a supporting unit is arranged at the bottoms of the upright posts 2 and comprises supporting rods 21, through rod holes are formed in the bottoms of the upright posts 2, the supporting rods 21 penetrate through the through rod holes, and universal wheels 211 are arranged at two ends of each supporting rod 21. Three placing frames 3 are rotatably connected between the two upright posts 2. The place frame 3 has the bearing in the welding of being close to stand 2, and the welding has installation pole 22 on the stand 2, and the inner circle and the installation pole 22 welding of bearing. The placing frame 3 comprises a bottom plate and four side plates, and the upper surface of the bottom plate is provided with a strip-shaped groove 31. The strip-shaped groove 31 is used for placing the chair back, and the chair back is vertically placed, so that the space utilization rate is improved. Can dismantle between two stands 2 and be connected with the positioning unit, the positioning unit is located the bottom of placing frame 3, and the positioning unit is used for fixing a position placing frame 3, and the positioning unit includes telescopic link and locating lever 6, and the telescopic link includes interlude 51 and two expansion ends 52, two expansion ends 52 are located interlude 51's both ends respectively and all with interlude 51 sliding connection, and expansion end 52 is equipped with and pushes away and draws piece 521, pushes away and draws piece 521 and is convenient for remove expansion end 52, is equipped with square fixed slot on the opposite side of stand 2, and the both ends cross-section of telescopic link is square, and the fixed slot is used for supplying the expansion end 52 embedding of telescopic link. The middle section 51 is welded with two positioning rods 6, the welding position is located at the center of the positioning rods 6, and the positioning rods 6 are perpendicular to the telescopic rods. Two clamping blocks 61 are integrally arranged on the upper surface of each positioning rod 6, two clamping grooves 32 are formed in the lower surface of the placing frame 3, and the clamping blocks 61 are embedded into the clamping grooves 32.

When the embodiment is used: when the back of the chair needs to be placed, to place frame 3 and rotate horizontal position, place the positioning unit in the bottom of placing frame 3, imbed fixture block 61 into draw-in groove 32, strengthen the stability of structure like this, push away through the pulling and draw block 521, two expansion ends 52 of telescopic link lengthen, make it imbed in the fixed slot, thereby fix placing frame 3, when the back of the chair need not be placed, push away and draw block 521 through promoting, shorten two expansion ends 52 of telescopic link, make it break away from and place frame 3, rotate and place frame 3 to vertical position, place frame 3 draw-in groove 32 with fixture block 61 embedding again, make the workshop clean and tidy, avoid losing of positioning unit. Thus, the disassembly is convenient and the space is saved.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (7)

1. The utility model provides a foldable back of chair rack, includes two stands (2), its characterized in that: the bottom of the upright post (2) is provided with a supporting unit, a placing frame (3) is rotatably connected between two upright posts (2), the placing frame (3) comprises a bottom plate and four side plates, a positioning unit is detachably connected between the two upright posts (2), the positioning unit is positioned at the bottom of the placing frame (3), the positioning unit is used for positioning the placing frame (3), the positioning unit comprises a telescopic rod and a positioning rod (6), the telescopic rod comprises a middle section (51) and two movable ends (52), the two movable ends (52) are respectively positioned at two ends of the middle section (51) and are in sliding connection with the middle section (51), the middle section (51) is fixedly provided with at least one positioning rod (6), the positioning rod (6) is mutually vertical to the telescopic rod, and the opposite side faces of the upright posts (2) are provided with square fixing grooves, the fixed groove is used for embedding the movable end (52) of the telescopic rod.

2. A folding chair back rest according to claim 1, wherein: the upper surface of locating lever (6) is fixed and is equipped with two or more fixture blocks (61), the lower surface of placing frame (3) is equipped with draw-in groove (32) with fixture block (61) one-to-one, fixture block (61) embedding draw-in groove (32).

3. A folding chair back rest according to claim 1, wherein: the supporting unit comprises a supporting rod (21), and universal wheels (211) are arranged at two ends of the supporting rod (21).

4. A folding chair back rest according to claim 1, wherein: the upper surface of the bottom plate is provided with a strip-shaped groove (31).

5. A folding chair back rest according to claim 1, wherein: the bearing is arranged at the position, close to the upright post (2), of the placing frame (3), the mounting rod (22) is arranged on the upright post (2), and the inner ring of the bearing is fixedly connected with the mounting rod (22).

6. A folding chair back rest according to claim 1, wherein: the movable end (52) is provided with a push-pull block (521).

7. A folding chair back rest according to claim 5, wherein: the placing frame (3) is provided with at least one.

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