CN211748191U

CN211748191U - Folding referee chair

Info

Publication number: CN211748191U
Application number: CN202020027040.6U
Authority: CN
Inventors: 陈敏; 丘伟来; 李聪
Original assignee: Guangzhou Kumuku Education Technology Co Ltd
Current assignee: Guangzhou Kumuku Education Technology Co Ltd
Priority date: 2020-01-07
Filing date: 2020-01-07
Publication date: 2020-10-27
Anticipated expiration: 2030-01-07

Abstract

The utility model discloses a foldable referee's chair, include: the first support comprises a first vertical rod and a second vertical rod which are opposite and spaced; the second bracket comprises a third vertical rod and a fourth vertical rod which are opposite and spaced; the rotating assembly is arranged between the first vertical rod and the second vertical rod and comprises a seat and at least one pedal, two sides of the bottom of the seat are respectively and rotatably connected with the first vertical rod and the second vertical rod, and two sides of the pedal are respectively and rotatably connected with the first vertical rod and the second vertical rod; the upper part of the first vertical rod is rotatably connected with the upper part of the third vertical rod, and the upper part of the second vertical rod is rotatably connected with the upper part of the fourth vertical rod; the top of first pole setting is equipped with fixed section of thick bamboo. The seat is rotated to be attached to the second support, so that the loading capacity of the seat is enhanced; the pedal with larger contact area is convenient for a judge to climb; the fixing cylinder is used for locking the umbrella, and the judge chair is convenient to use in strong sun or rainy days.

Description

Folding referee chair

Technical Field

The utility model relates to a seat field, concretely relates to is a foldable referee's chair.

Background

The team education concept is an education initiative proposed by the U.S. government to strengthen the education of the U.S. K12 on Science, Technology, Engineering, Arts and Mathematics, encourage and improve children in the fields of Science, Technology, Engineering and Mathematics, foster comprehensive literacy of children, and thus improve their global competitiveness.

The STEAM education not only advocates learning the five disciplinary knowledge, but also advocates a new teaching mode: the students can complete the projects which are interesting to the students and are related to the lives of the students by themselves, and the students can learn various disciplines and interdisciplinary knowledge in the process, so that the curiosity of the students is met, and the practical ability of the students is developed. Therefore, in the propaganda STEAM education, competitions related to the STEAM science and technology are often held, for example, robot competition demonstration and the like, because the number of field personnel is large, the competition area is large, and the referee can not comprehensively observe the competition process when standing on the ground, the referee can sit on a referee chair to watch the competition and maintain the competition field order. However, the commonly used referee chair adopts an aluminum alloy or steel tube structure, and forms an integrated structure after the seat is fixed at the top of the frame, and has the defects of difficult disassembly and assembly, large volume and heavy weight, is difficult to carry, and occupies a use space when not in use.

Chinese utility model patent CN207767907U A foldable judge chair with rollers comprises two side bending beams, connecting pipes and a cushion, wherein the two side bending beams are fixedly connected through a plurality of connecting pipes, the side bending beams are rotatably connected with a rear vertical beam through a rotating mechanism, and the side bending beams and the rear vertical beam rotate relatively; the back is erected and is installed the horizontally hinge on the roof beam, is connected with the cushion on the hinge, is fixed with the horizontally cushion connecting pipe on the side camber beam that the cushion corresponds when being located horizontal position, corresponds on the cushion connecting pipe and on the cushion and offers horizontally pinhole, and the interpolation has straight round pin in the pinhole, and is fixed with cushion and cushion connecting pipe. The referee chair can fold the chair by pulling out the straight pin and rotating the cushion.

However, the stress area of the cushion supported by the referee chair adopting the hinge structure is small, the hinge structure is easy to damage when the load is too large, the referee chair cannot be normally folded, and meanwhile, the contact area of the rod-shaped connecting pipe is small, so that the referee cannot climb conveniently. In addition, the existing referee chair lacks few functions of sun shading and rain shielding, and is not beneficial to being used in sunny days or rainy days, so that competition related to STEAM science and technology is difficult to carry out in order.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical defects that the cushion of the folding referee chair has poor load capacity, is inconvenient to climb and lacks the functions of sun shading and rain shielding, the utility model provides a folding referee chair, which designs the chair into a rotary folding mode, rotates the chair to clamp and attach to a second bracket when in use, and has stronger seat load capacity because the contact area between the chair and the second bracket is larger; the pedal with larger contact area is adopted to replace a rod-shaped connecting pipe, so that a judge can climb conveniently; the fixed cylinder at the top of the judge chair is used for locking the umbrella, so that the judge chair can be conveniently used in strong sun or rainy days.

In order to solve the above problem, the utility model discloses realize according to following technical scheme:

a foldable referee's chair, include:

the first support comprises a first vertical rod and a second vertical rod which are opposite and spaced;

the second support comprises a third vertical rod and a fourth vertical rod which are opposite and spaced, and a supporting rod is arranged between the third vertical rod and the fourth vertical rod;

the rotating assembly is arranged between the first vertical rod and the second vertical rod and comprises a seat and at least one pedal, the seat is arranged above the pedal and fixedly connected with the pedal through a connecting rod, two sides of the bottom of the seat are respectively and rotatably connected with the first vertical rod and the second vertical rod, and two sides of the pedal are respectively and rotatably connected with the first vertical rod and the second vertical rod;

the upper part of the first vertical rod is rotatably connected with the upper part of the third vertical rod, the upper part of the second vertical rod is rotatably connected with the upper part of the fourth vertical rod, the supporting rod is provided with a clamping groove, the bottom of the seat is provided with a clamping block matched with the clamping groove, and the clamping block is clamped and connected with the clamping groove;

the top of first pole setting is equipped with a fixed cylinder, the top of a fixed cylinder has the fixed slot, and this fixed slot is used for cup jointing the supporting part of umbrella, the fastener is connected to the lateral wall of a fixed cylinder, and this fastener break-through to in the fixed slot and support the supporting part of umbrella.

Furthermore, at least one first fixing rod is arranged between the first vertical rod and the second vertical rod, and at least one second fixing rod is arranged between the third vertical rod and the fourth vertical rod.

Furthermore, a reinforcing rod is hinged to the connecting rod and is in threaded connection with one of the second fixing rods.

Further, the clamping groove is a trapezoidal groove, and the size of the clamping groove is gradually reduced from the opening end to the bottom.

Further, the fastener is a bolt, a threaded hole communicated with the fixing groove is formed in the side wall of the fixing barrel, and the bolt is in threaded connection with the threaded hole and then extends into the fixing groove.

Further, the first vertical rod and the second vertical rod are provided with handrails.

Furthermore, the surface of the pedal is provided with anti-skid lines.

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

seat and footboard all rotate with first support and are connected, and seat and footboard adopt the connecting rod to realize the linkage and rotate, and when making the referee's chair need be folding, seat and footboard rotate to with first support in the coplanar, first support rotates with the second support is mutual afterwards, make first support and second support rotate the coplanar, realize the folding function of referee's chair, occupy space when avoiding the referee's chair to idle.

The utility model discloses a referee's chair adopts the block of seat and bracing piece fixed, makes the bottom and the bracing piece laminating contact of seat, and increase area of contact makes the second support atress even, satisfies the demand of heavy load. The pedal with the increased contact area is adopted to replace a rod-shaped connecting pipe, so that a referee can climb conveniently, and the pedal is rotationally connected with the first support and does not interfere with normal folding of the referee chair. The top of the first support is provided with a fixing component for fixing the umbrella, so that the umbrella can be conveniently disassembled and assembled on the first support, and the judge chair is suitable for sunny days or rainy days. This foldable judge chair opens the use in STEAM science and technology contest, and folding judge chair is convenient for carry after the contest ends, makes STEAM science and technology match go on in order, the propagation of the STEAM education of being convenient for.

Drawings

The following detailed description of embodiments of the invention is provided with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural view of a foldable referee chair according to the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is a schematic structural diagram of a first bracket according to the present invention;

in the figure: 1-a first scaffold; 11-a first upright stanchion; 111-a stationary cartridge; 112-a fastener; 113-a first shaft hole;

12-a second upright post; 121-second axial bore; 13-a first fixing bar; 14-reinforcing rods; 15-handrails;

2-a second scaffold; 21-a third upright stanchion; 22-a fourth upright; 23-a support bar; 231-card slot; 24-a second fixation rod;

3-a rotating assembly; 31-a seat; 311-a fixture block; 32-a pedal; 33-connecting rod.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1 to 3, it is a preferable structure of the folding type referee chair of the present invention. The referee chair comprises a first support 1, a second support 2 and a rotating assembly 3, wherein the first support 1 comprises a first vertical rod 11 and a second vertical rod 12 which are opposite and spaced (the first vertical rod 11 and the second vertical rod 12 are opposite and parallel), the second support 2 comprises a third vertical rod 21 and a fourth vertical rod 22 which are opposite and spaced (the third vertical rod 21 and the fourth vertical rod 22 are opposite and parallel), the first vertical rod 11 and the second vertical rod 12 are arranged between the third vertical rod 21 and the fourth vertical rod 22, the upper portion of the first vertical rod 11 is rotatably connected with the upper portion of the third vertical rod 21 through a hinge, the upper portion of the second vertical rod 12 is rotatably connected with the upper portion of the fourth vertical rod 22 through a hinge, and the first support 1 and the second support 2 are folded and unfolded. The rotating assembly 3 comprises a seat 31 and at least one pedal 32, the seat 31 is arranged above the pedal 32, the seat 31 and the pedal 32 are fixedly connected through a connecting rod 33, two sides of the bottom of the seat 31 are respectively rotatably connected with a first vertical rod 11 and a second vertical rod 12, two sides of the pedal 32 are respectively rotatably connected with the first vertical rod 11 and the second vertical rod 12, the seat 31 and the pedal 32 can synchronously rotate on the first support 1, the seat 31 and the pedal 32 can rotate to the same plane as the first support 1 when the referee chair is folded, the seat 31 and the pedal 32 are prevented from interfering the mutual rotation of the first support 1 and the second support 2, and the folding function of the referee chair is further realized.

Specifically, a fixing cylinder 111 is arranged at the top of the first vertical rod 11, a fixing groove is formed in the top of the fixing cylinder 111, the fixing groove can be sleeved with a handheld portion of an umbrella or a sun umbrella, a fastening piece 112 is connected to the side wall of the fixing cylinder 111, as a preferred scheme of the embodiment, the fastening piece 112 is a bolt, the fixing cylinder 111 is provided with a threaded hole communicated with the fixing groove, the bolt is connected with the threaded hole in a threaded manner and then extends into the fixing groove, the handheld portion of the umbrella or the sun umbrella is supported through adjusting the extending amount of the bolt in the fixing groove, the umbrella and the sun umbrella are fixed to the top of the first vertical rod 11, and the functions of shading and shielding from.

Further, at least one first fixing rod 13 is further arranged between the first vertical rod 11 and the second vertical rod 12, the first fixing rod 13 and the first vertical rod 11 and the second vertical rod 12 form an integrated structure in a welding mode, the first fixing rod 13 is used for preventing the first support 1 from deforming, and the first fixing rod 13 is one in the figure. A plurality of first shaft holes 113 are axially and uniformly distributed on the first upright rod 11, a plurality of second shaft holes 121 which are arranged on the same horizontal axis with the first shaft holes 113 are axially distributed on the second upright rod 12, rotating shafts are arranged on two sides of the seat 31 and the pedal 32, and the seat 31 and the pedal 32 are correspondingly sleeved in the first shaft holes 113 and the second shaft holes 121 through the rotating shafts respectively so as to realize that the seat 31 and the pedal 32 rotate around the first support 1.

As a preferable scheme of the present embodiment, the number of the connecting rods 33 is two, and both the two connecting rods 33 are fixed on both sides of the seat 31 and the pedal 32 by bolts, so as to realize the linkage rotation of the seat 31 and the pedal 32.

Further, a support rod 23 is further arranged between the third vertical rod 21 and the fourth vertical rod 22, and the support rod 23 and the third vertical rod 21 and the fourth vertical rod 22 form an integrated structure in a welding mode. The support rod 23 is provided with two slots 231, the slots 231 are preferably trapezoidal slots, and the size of the slots 231 is gradually reduced from the opening end to the bottom. At least one second fixing rod 24 is further arranged between the third vertical rod 21 and the fourth vertical rod 22, the second fixing rod 24 and the third vertical rod 21 and the fourth vertical rod 22 form an integrated structure in a welding mode, the second fixing rod 24 is used for preventing the second support 2 from deforming, and the number of the second fixing rods 24 is two in the figure.

The bottom of the seat 31 is provided with a fixture block 311 matched with the shape and size of the slot 231, when the first bracket 1 and the second bracket 2 are opened at a certain angle, the seat 31 rotates around the first bracket 1 to enable the fixture block 311 to be clamped in the slot 231, and the fixture block 311 abuts against the side wall of the slot 231 to limit the first bracket 1 and the second bracket 2 from further opening.

Have strengthening rod 14 through the articulated knot of hinge on the connecting rod 33, strengthening rod 14 is kept away from the other end of pin joint and is equipped with first perforation, has also seted up the second perforation on one of them second dead lever 24, adopts the bolt to break through first perforation and the second perforation after with nut locking, with strengthening rod 14 and second dead lever 24 fixed connection, further strengthens first support 1 and the open state of second support 2, makes referee's chair load-carrying capacity stronger.

As a preferable solution of this embodiment, the top of the first upright 11 and the top of the second upright 12 are both provided with handrails 15, and the handrails 15 are used to provide a handheld portion for the referee, so that the referee can turn around to sit down and climb up.

Further, the surface of the pedal 32 is provided with anti-slip lines for increasing the friction force of the pedal 32 and preventing the referee from slipping down in rainy days.

The working principle of the folding referee chair is as follows: during the use, first support 1 and second support 2 rotate each other and open, rotate seat 31 and footboard 32, make the fixture block 311 joint of seat 31 bottom in draw-in groove 231 to the further opening of first support 1 of restriction and second support 2 adopts the bolt with anchor strut 14 and second dead lever 24 fixed connection, improves the stability after the judge chair opens. When the folding chair is folded, the reinforcing rod 14 and the second fixing rod 24 are detached, the rotating seat 31, the pedal 32 and the first support 1 are positioned on the same plane, and the first support 1 and the second support 2 are rotated mutually and then positioned on the same plane, so that the referee chair is folded into a ladder shape, the floor area of the referee chair is reduced, and the folding function of the referee chair is realized.

This foldable judge chair opens the use in STEAM science and technology contest, and folding judge chair is convenient for carry after the contest ends, makes STEAM science and technology match go on in order, the propagation of the STEAM education of being convenient for.

Other configurations of the foldable referee chair described in this embodiment are described in the prior art.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments do not depart from the technical solution of the present invention, and still fall within the scope of the technical solution of the present invention.

Claims

1. A foldable referee chair, comprising:

2. The folding referee chair of claim 1, wherein: at least one first fixing rod is arranged between the first vertical rod and the second vertical rod, and at least one second fixing rod is arranged between the third vertical rod and the fourth vertical rod.

3. The folding referee chair of claim 2, wherein: the connecting rod is hinged with a reinforcing rod, and the reinforcing rod is in threaded connection with one of the second fixing rods.

4. The folding referee chair of claim 1, wherein: the clamping groove is a trapezoidal groove, and the size of the clamping groove is gradually reduced from the opening end to the bottom.

5. The folding referee chair of claim 1, wherein: the fastener is a bolt, a threaded hole communicated with the fixing groove is formed in the side wall of the fixing barrel, and the bolt is in threaded connection with the threaded hole and then extends into the fixing groove.

6. The folding referee chair of claim 1, wherein: the first vertical rod and the second vertical rod are provided with handrails.

7. A foldable referee chair according to any one of claims 1 to 6, wherein: the surface of the pedal is provided with anti-skid lines.