CN220256088U - Chair bench convenient to stack - Google Patents

Abstract

The utility model discloses a bench convenient to stack, which comprises a bench surface, wherein supporting legs are fixedly arranged at four corners of the bottom end of the bench surface, a reinforcing rod is fixedly arranged between two adjacent supporting legs, a connecting hole is formed in the center of the top end of the bench surface, a connecting rod is fixedly arranged in the center of the bottom end of the bench surface, the connecting rod is connected with the connecting hole of the bench surface in an inserting mode, a fixing mechanism is fixedly arranged between the connecting rod and the connecting hole, and grooves are formed in two sides of the top end of the bench surface. The chair stool is inserted through the connecting rods and the connecting holes, and is embedded with the arc-shaped grooves formed in the inner walls of the connecting holes through the arc-shaped blocks arranged on the two sides of the bottom of the connecting rods, so that the stacking stability between the chairs is facilitated, the lifting of the grab rail is controlled through the telescopic rod, the grab rail can be pressed into the grooves when the chair stool is not used, the grab rail is convenient to store and expand, and the convenience of using the chair stool is improved.

Description

Chair bench convenient to stack

Technical Field

The utility model relates to the technical field of chairs, in particular to a chair convenient to stack.

Background

The bench is the instrument that is used for using at present sitting and lying the most, uses frequently at present in the catering trade, and current bench structure is fixed, can't realize stacking, has increased the space occupation of catering trade.

According to the search, according to the patent number of CN107713448A, a chair convenient to stack is disclosed, and comprises a stool surface and stool legs, wherein three or four stool legs are uniformly arranged below the stool surface, a plurality of stool leg windows are also distributed on the periphery of the stool surface, clamping grooves are formed in the side edges of the stool leg windows, and springs are arranged below the stool surface; the stool convenient to stack can be taken out easily, and can be prevented from loosening.

Above-mentioned bench stacks the in-process, can take out the stool easily, but above-mentioned bench passes through the design of spring structure, influences the bench and stacks stability, and the bench has cancelled the design of handrail structure because of stacking simultaneously, is in the safety to children's use, influences the use.

Disclosure of Invention

The utility model aims to provide a bench convenient to stack, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bench convenient to stack, includes the bench face, four corners of bench face bottom are all fixed and are equipped with the supporting leg, adjacent two fixed mounting has the stiffening rod between the supporting leg, the connecting hole has been seted up to the center department on bench face top, the fixed connecting rod that is equipped with in center department of bench face bottom, the connecting hole grafting of the adjacent bench face of connecting rod, fixed establishment that is equipped with between connecting rod and the connecting hole, the recess has all been seted up to the both sides on bench face top, two the equal fixed mounting in both sides of recess tank bottom has the telescopic link, is located two of same recess the telescopic link's telescopic link fixed mounting has the handrail.

Preferably, the fixing mechanism comprises two arc blocks, the bottom of the connecting rod is provided with a mounting groove, two sides of the mounting groove are connected with arc blocks in a penetrating mode, a reset spring is fixedly arranged between the two arc blocks, arc grooves are formed in two sides of the inner wall of the connecting hole, and the arc blocks are connected with the arc grooves in a nested mode.

Preferably, lifting grooves are formed in the middle of two sides of the stool surface, and anti-skidding lines which are uniformly distributed are formed in the lifting grooves.

Preferably, the bottom of four supporting legs is all fixed and is equipped with the fixed block, four the bottom of fixed block is all fixed and is equipped with evenly distributed's arch.

Preferably, the four corners of the chair seat are provided with chamfers.

Preferably, the grab bar has the same dimensions as the inner diameter of the recess.

The utility model has the technical effects and advantages that:

1. the chair stool is inserted through the connecting rods and the connecting holes, and the arc blocks arranged on two sides of the bottom of the connecting rods are embedded in the arc grooves formed in the inner walls of the connecting holes, so that the stacking stability between the chair stools is facilitated.

2. The lifting of the grab rail is controlled through the telescopic rod, when the grab rail is not used, the grab rail can be pressed into the groove, the grab rail is convenient to store and unfold, the convenience of using the chair is improved, and meanwhile, in the using process of a child, the safety of using is improved through the design of the grab rail.

Drawings

FIG. 1 is a schematic view of a bench according to the utility model for easy stacking.

Fig. 2 is a schematic view of a stacking structure of a bench according to the utility model for easy stacking.

Fig. 3 is an enlarged view of a portion of the chair of fig. 2 at a position of the chair for facilitating stacking in accordance with the present utility model.

FIG. 4 is a schematic view showing the internal structure of a recess of a bench which is convenient to stack up according to the present utility model.

In the figure: 1. a bench surface; 2. support legs; 3. a reinforcing rod; 4. a groove; 5. a telescopic rod; 6. a grab rail; 7. a connection hole; 8. chamfering; 9. lifting a groove; 10. a fixed block; 11. a connecting rod; 12. a return spring; 13. an arc-shaped block; 14. a mounting groove; 15. an arc-shaped groove.

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.

The utility model provides a bench convenient to stack, which is shown in figures 1-4, and comprises a bench surface 1, wherein supporting legs 2 are fixedly arranged at four corners of the bottom end of the bench surface 1, a reinforcing rod 3 is fixedly arranged between two adjacent supporting legs 2, a connecting hole 7 is formed in the center of the top end of the bench surface 1, a connecting rod 11 is fixedly arranged in the center of the bottom end of the bench surface 1, the connecting rod 11 is spliced adjacent to the connecting hole 7 of the bench surface 1, a fixing mechanism is fixedly arranged between the connecting rod 11 and the connecting hole 7, grooves 4 are formed in two sides of the top end of the bench surface 1, telescopic rods 5 are fixedly arranged on two sides of the bottoms of the grooves 4, a handrail rod 6 is fixedly arranged at the telescopic ends of the two telescopic rods 5 positioned in the same groove 4, a plurality of benches are fixedly penetrated through the connecting rod 11 and the connecting hole 7, and the stacking stability between the benches is facilitated.

According to the figures 1, 2 and 3, the fixed establishment includes two arc pieces 13, mounting groove 14 has been seted up to the bottom of connecting rod 11, and the both sides of mounting groove 14 alternate and are connected with arc piece 13, fixedly between two arc pieces 13 be equipped with reset spring 12, and arc groove 15 has all been seted up to connecting hole 7 inner wall both sides, and arc piece 13 and arc groove 15 nest and are connected, extrude two arc pieces 13 through the inside reset spring 12 of mounting groove 14, make two arc pieces 13 and arc groove 15 nest, the effectual stability that has improved the chair that stacks.

Lifting grooves 9 are formed in the middle of two sides of the bench face 1, anti-skidding lines which are uniformly distributed are formed in the two lifting grooves 9, and the stacked bench is conveniently separated through the lifting grooves 9, so that the convenience in use is improved.

The bottom of four supporting legs 2 is all fixed and is equipped with fixed block 10, and the bottom of four fixed blocks 10 is all fixed and is equipped with evenly distributed's arch, through the bellied setting of fixed block 10 bottom, has increased the frictional force of fixed block 10 and ground, has improved the stability that the bench used.

The four corners of the chair seat 1 are provided with chamfers 8, and the stress of the chair seat 1 is increased through the provision of the chamfers 8.

The grab bar 6 has the same size as the inner diameter of the groove 4, and can be pressed into the groove 4 when not in use.

The working principle of the utility model is as follows: when a plurality of chairs are required to be stacked, firstly, the chairs are sleeved, a connecting rod 11 positioned at the bottom end of the top chair seat 1 is inserted into a connecting hole 7 positioned at the top end of the bottom chair seat 1, when the connecting rod 11 is completely inserted into the connecting hole 7, the two arc-shaped blocks 13 are de-nested with the arc-shaped grooves 15 through the extrusion force of the return spring 12, the stacking between the two chairs is completed, and the steps are repeated, so that the stacking of the chairs is completed;

when the chair needs to be used, the chair is pulled upwards through the lifting grooves 9 formed in the two sides of the chair surface 1, so that the connecting rod 11 is separated from the connecting hole 7, then the grab rail 6 is pulled upwards manually, the grab rail 6 is separated from the groove 4 through the telescopic rod 5 in a telescopic manner, and convenience in use of the chair is facilitated.

What is not described in detail in this specification is prior art known to those skilled in the art. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims (6)

1. The utility model provides a bench convenient to stack, includes bench face (1), its characterized in that, four corners of bench face (1) bottom are all fixed be equipped with supporting leg (2), two adjacent fixed mounting has stiffening rod (3) between supporting leg (2), connecting hole (7) have been seted up to the center department on bench face (1) top, the fixed connecting rod (11) that is equipped with in center department of bench face (1) bottom, connecting hole (7) grafting of connecting rod (11) adjacent bench face (1), fixed establishment is equipped with between connecting rod (11) and connecting hole (7), recess (4) have all been seted up to the both sides on bench face (1) top, two equal fixed mounting in both sides of recess (4) tank bottom have telescopic link (5), are located two telescopic link (5) telescopic link fixed mounting has handrail (6).

2. The bench convenient to stack according to claim 1, characterized in that the fixing mechanism comprises two arc blocks (13), a mounting groove (14) is formed in the bottom of the connecting rod (11), the arc blocks (13) are connected to two sides of the mounting groove (14) in a penetrating mode, a reset spring (12) is fixedly arranged between the two arc blocks (13), arc grooves (15) are formed in two sides of the inner wall of the connecting hole (7), and the arc blocks (13) are connected with the arc grooves (15) in a nesting mode.

3. The bench convenient to stack according to claim 1, wherein lifting grooves (9) are formed in the middle parts of two sides of the bench surface (1), and anti-skidding lines which are uniformly distributed are formed in the lifting grooves (9).

4. The bench convenient to stack according to claim 1, wherein the bottom ends of the four supporting legs (2) are fixedly provided with fixing blocks (10), and the bottom ends of the four fixing blocks (10) are fixedly provided with evenly distributed protrusions.

5. Bench convenient to stack according to claim 1, characterized in that the four corners of the bench surface (1) are provided with chamfers (8).

6. A bench for facilitating stacking according to claim 1, characterized in that the grab bar (6) has the same dimensions as the inner diameter of the recess (4).