CN209360088U - A kind of volleyball referee chair - Google Patents

Abstract

The utility model discloses a volleyball referee chair, which comprises a base, a frame-shaped bracket, a support column and a seat; frame-shaped brackets are hinged around the base; There is also a support column, the support column is provided with a lifting rod, the outer wall of the support column is provided with a height adjustment wheel, the inside of the support column is also provided with a gear, the gear is connected with a transmission shaft, and the transmission shaft runs through the outer wall of the support column to adjust the height. The front side of the support column is equipped with a fixed height block, the back side of the support column is provided with a chute, and the chute is provided with a matching slide rail, and the slide rail is provided with a first rack. One side is provided with a first rack, and the other side is provided with a second rack, and the lifting rod is arranged on one side of the second rack, and the top of the lifting rod is connected to the bottom of the seat board of the seat. The utility model has a simple structure and can conveniently realize the automatic lifting of the seat. The two feet step on the railing and walk upwards, and the seat can be sat down at the position of the seat, and the seat is convenient to move.

Description

A kind of volleyball referee chair

technical field

The utility model relates to a sports competition equipment, in particular to a volleyball referee chair.

Background technique

In the volleyball event of competitive sports, in order to clearly judge whether the two sides have fouled, the referee generally needs to stand at a very high position, so there is the current volleyball referee chair. The structure of the existing volleyball referee chair is relatively simple. The referee chair is specially prepared for the referee office, which is more convenient for the referee to score and judge the game. However, most of the referee chairs on the market cannot be lifted and lowered, and the referee cannot clearly judge the game. It is inconvenient to use whether there is a foul on both sides. At the same time, most of the referee chairs that can be lifted are hydraulically lifted, and the manufacturing cost is relatively high, so it is not suitable for mass production.

Utility model content

The purpose of this utility model is to provide a volleyball referee chair to solve the problems raised in the above-mentioned background technology.

The utility model provides a volleyball referee chair, which comprises a base, a frame-shaped support, a support column and a seat; a frame-shaped support is hinged around the base, and railings are welded at intervals from top to bottom on the front side of the frame-shaped support. , the base is also provided with a hollow structure support column, the support column is provided with a lifting rod, the outer wall of the support column is provided with a height adjustment wheel, and the inside of the support column is also provided with a gear, the gear A transmission shaft is connected to the top, and the transmission shaft runs through the outer wall of the support column to connect with the height adjustment wheel. The front side of the support column is provided with a height fixing block, and the rear side of the support column is provided with a chute. The groove is provided with a slide rail matched with sliding connection, the slide rail is provided with a first rack, one side of the gear is provided with a first rack, and the other side is provided with a second rack. The rod is arranged on one side of the second rack, the first rack and the second rack are both meshed with the gear and the direction of movement of the two racks is opposite, the seat includes a seat board and a hinged seat The backrest on the board, the top of the lifting rod is connected to the bottom of the seat board.

Preferably, rollers are provided outside the rear feet of the base.

Preferably, armrests are provided on both sides of the seat, a support plate is provided on the front side of the seat, one end of the support plate is hinged on one armrest, and the other end is provided on the other armrest.

Preferably, a sunshade is detachably connected to the top of the backrest.

Preferably, the inner wall of the support column is also provided with a card slot matching the transmission shaft.

Preferably, a hand rocker is rotatably connected to the height adjustment wheel.

Preferably, a handle bar is also provided on the top of the rear side of the frame-shaped support.

The beneficial effects of the utility model are: the volleyball referee chair of the utility model has a simple structure, and the automatic lifting of the seat can be realized very conveniently. The two feet step on the railing and walk upwards, and just sit down at the seat position, and the seat is detachable. The connected awning prevents the referee from being exposed to the sun. After adjusting the height of the seat, the referee can clearly judge whether the two sides of the game have fouled when sitting on the seat. The referee chair is also very convenient to move.

Description of drawings

Fig. 1 is a schematic structural view of a volleyball referee chair provided by the utility model;

Fig. 2 is the front view of the railing of the present utility model;

Fig. 3 is a partial structural schematic diagram of the height adjustment wheel of the present invention.

Explanation of reference signs:

1. Base; 2. Frame bracket; 3. Railing; 4. Support column; 5. Lifting rod; 6. Height adjustment wheel; 7. Gear; 8. Transmission shaft; 9. Height fixing block; Rack; 11, the second rack; 12, seat board; 13, backrest; 14, rollers; 15, awning; 16, hand grip bar.

Detailed ways

A specific embodiment of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiment.

As shown in Figures 1-3, the embodiment of the utility model provides a volleyball referee chair, including a base 1, a frame-shaped support 2, a support column 4 and a seat; The front side of the bracket 2 is welded with railings 3 at intervals from top to bottom, and the base 1 is also provided with a support column 4 of a hollow structure. The support column 4 is provided with a lifting rod 5, and the outer wall of the support column 4 is provided with a height adjustment wheel 6. , the inside of the support column 4 is also provided with a gear 7, the gear 7 is connected with a transmission shaft 8, the transmission shaft 8 runs through the outer wall of the support column 4 and is connected with the height adjustment wheel 6, and the front side of the support column 4 is provided with a height fixing block 9, The rear side of the support column 4 is provided with a chute, the chute is provided with a slide rail that matches the sliding connection, the slide rail is provided with the first rack 10, one side of the gear 7 is provided with the first rack 10, and the other is provided with the first rack 10. The side is provided with the second rack 11, and the elevating rod 5 is arranged on one side of the second rack 11, the first rack 10 and the second rack 11 are both meshed with the gear 7 and the direction of motion of the two racks is opposite. The seat includes a seat board 12 and a backrest 13 hinged on the seat board 12 , and the top of the lifting rod 5 is connected to the bottom of the seat board 12 .

In the embodiment of the utility model, rollers 14 are provided on the outside of the rear foot of the base 1, armrests are provided on both sides of the seat, and a support plate is provided on the front side of the seat, and one end of the support plate is hinged on one side of the armrest. , the other end is located on the other side armrest, and the top of the backrest 13 is detachably connected with an awning 15, which is convenient for outdoor use and prevents the referee from being exposed to the sun. In addition, the inner wall of the support column 4 is also provided with a card slot that matches the transmission shaft 8. After adjusting the lifting rod 5 through the height adjustment wheel 6, it is stuck on the height fixing block 6, and then the height adjustment wheel 6 is pressed to the bottom. It is fixed in the card slot matched with the transmission shaft 13, and the height adjustment wheel 6 is rotated and connected with a hand rocker, which further improves the convenience of height adjustment. The rear top of the frame support 2 is also provided with a handle bar 16, It is convenient to hold the handle bar 16 to move the referee chair.

To sum up, the volleyball referee chair provided by the embodiment of the utility model can conveniently realize the automatic lifting of the seat, step on the railing with both feet and walk up, and just sit down at the seat position. Dismantling the connected awning prevents the referee from being exposed to the sun. After adjusting the height of the seat, the referee can clearly judge whether there is any foul behavior between the two sides of the competition after the height of the seat is adjusted. The rollers make it very convenient to move the referee chair.

The above disclosures are only preferred specific embodiments of the present utility model, but the embodiments of the present utility model are not limited thereto, and any changes conceivable by those skilled in the art shall fall within the protection scope of the present utility model.

Claims (7)

1. a kind of volleyball referee chair, including pedestal (1), frame-type bracket (2), support column (4) and seat；The four of the pedestal (1) It is hinged in week frame-type bracket (2), the front side of the frame-type bracket (2) is spaced from top to bottom is welded with railing (3), the pedestal (1) it is additionally provided with the support column (4) of hollow structure on, elevating lever (5) are equipped in the support column (4), outside the support column (4) Wall is equipped with height adjustment wheel (6), is additionally provided with gear (7) inside the support column (4), is connected with transmission on the gear (7) Axis (8), outer wall of the transmission shaft (8) through support column (4) is connect with height adjustment wheel (6), before support column (4) inside Side is equipped with height and fixes fixture block (9), and support column (4) inner back side is equipped with sliding slot, and the sliding slot is sliding equipped with matching Sliding rail, the sliding rail is equipped with the first rack gear (10), and the side of the gear (7) is equipped with the first rack gear (10), and the other side is set Have the second rack gear (11), the elevating lever (5) is set to the side of the second rack gear (11), first rack gear (10) and the second rack gear (11) it is intermeshed with the gear (7) and the direction of motion of two rack gears is on the contrary, the seat includes seat plate (12) and hinge The backrest (13) on seat plate (12) is connect, the top of the elevating lever (5) is connected to the bottom of seat plate (12).

2. a kind of volleyball referee chair as described in claim 1, which is characterized in that set on the outside of the rear portion footing of the pedestal (1) It is equipped with idler wheel (14).

3. a kind of volleyball referee chair as described in claim 1, which is characterized in that the two sides of the seat are equipped with handrail, described The front side of seat is equipped with support plate, and one end of the support plate is hinged on a side handrail, and the other end is located on another side handrail.

4. a kind of volleyball referee chair as described in claim 1, which is characterized in that the top side detachable of the backrest (13) connects There are sunshade (15).

5. a kind of volleyball referee chair as described in claim 1, which is characterized in that be additionally provided on support column (4) inner wall with The card slot that transmission shaft (8) matches.

6. a kind of volleyball referee chair as described in claim 1, which is characterized in that be rotatablely connected on the height adjustment wheel (6) There is joystick.

7. a kind of volleyball referee chair as described in claim 1, which is characterized in that the backside top of the frame-type bracket (2) is also Equipped with hand-held pole (16).