Height-adjustable track and field hurdle

Abstract

The utility model relates to the technical field of sports equipment, in particular to a height-adjustable track and field hurdle which comprises two friction bottom plates, a height adjusting structure is fixedly mounted at the tops of the two friction bottom plates, and a fixing structure is fixedly mounted on one side of the outer surface of each friction bottom plate. Through a height adjusting structure and a fixing structure, when the device is not used, the main rods and the adjusting rods are approximately parallel to the friction bottom plate, at the moment, storage and carrying of the device are facilitated, when the device needs to be used, the adjusting rods on the two sides are erected, the main rods on the two sides are kept perpendicular to the friction bottom plate, and rotating buttons on the two sides are sequentially rotated; when the hurdling device is used, a threaded block can horizontally move upwards on the outer surfaces of a threaded rod and a limiting rod, so that a fixed cylinder can slide upwards in a friction bottom plate, the bottom of a main rod is hooped at the hollow position in the friction bottom plate, adjusting rods on the two sides can be vertically fixed, hurdling work is facilitated, the purpose that the device can be folded is achieved, and follow-up storage and transportation work is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sports equipment, concretely is a height adjustable track and field hurdle frame. BACKGROUND

[0002] Sports equipment refers to the equipment, tools or devices specifically designed for sports, fitness activities, competitive games or rehabilitation training. They can be simple instruments (such as dumbbells, jump rope), or complex devices (such as treadmills, strength training machines). Sports equipment is diverse, covering almost all sports and fitness needs.

[0003] The track and field hurdle frame is one of sports equipment, however, the existing hurdle frame still has certain deficiencies in the actual use process: the existing hurdle frame lacks a folding structure, which makes the storage and transportation of the hurdle frame occupy more storage and transportation space, increasing the cost of transportation and storage. Based on the existing technical deficiencies, the utility model designs a height adjustable track and field hurdle frame. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a height adjustable track and field hurdle frame, which has the advantages of hurdle frame folding.

[0005] The utility model provides the following technical scheme: a height adjustable track and field hurdle frame, including two friction bottom boards, the top of two friction bottom boards is fixedly installed with height adjusting structure, the outer surface of two friction bottom boards is fixedly installed with fixed structure on one side;The height adjusting structure includes two groups of hinged seats, and the main rod is hingedly installed between the two groups of hinged seats;Two fixed structures include two groups of fixed plates, one group of fixed plates is rotatably installed with screw rod in the inside, the top of screw rod is fixedly installed with knob, the other group of fixed plates is fixedly installed with limiting rod in the inside, the outer surface of screw rod is screwedly installed with screw block, one side of screw block is fixedly installed with fixed cylinder, one side of fixed cylinder is fixedly installed with sliding block, and the sliding block is connected with friction bottom board slidingly.

[0006] As a preferred technical scheme of the utility model, the outer surface of two main rods is sleeved with adjusting rod, and the rack plate is fixedly installed between two adjusting rods through bolts.

[0007] As a preferred technical scheme of the utility model, the bottom of two friction bottom boards is provided with rubber pad, and the counterweight structure is fixedly installed in the inside of two friction bottom boards.

[0008] As a preferred technical scheme of the utility model, two counterweight structures include counterweight blocks, and the counterweight blocks are connected with friction bottom board slidingly.

[0009] As a preferred technical scheme of the utility model, two top fixed mounting of the counterweight block have stand, two top fixed mounting of the stand have elastic clamping groove.

[0010] As a preferred technical scheme of the utility model, two outside fixed mounting of the stand have pointer.

[0011] As a preferred technical scheme of the utility model, two top of the friction bottom plate are equipped with sliding slot, two sliding slot and counterweight block sliding connection.

[0012] As a preferred technical scheme of the utility model, two top of the friction bottom plate are equipped with scale.

[0013] Compared with prior art, the utility model has the following beneficial effects:

[0014] 1、This height -adjustable track and field hurdle frame, through height -adjusting structure, fixed structure, when not using the device, the main rod and adjusting rod and friction bottom plate are approximately parallel state, at this time, the device is convenient to store and carry, when needing to use the device, by the two sides adjusting rod stands up, keeps two sides main rod and friction bottom plate vertical, at this time, in turn rotates two sides knob, because the spacing of the spacer rod, can make threaded block in the outer surface of threaded rod and spacer rod horizontal movement, thus can make fixed cylinder in the friction bottom plate and slide up, the main rod bottom hoop in its internal hollow, thus can two sides adjusting rod vertical fixed, in order to carry out hurdle work, thus reaches the device collapsible purpose, it is convenient for subsequent storage and transportation work.

[0015] 2、This height -adjustable track and field hurdle frame, through counterweight structure, when adjusting the height of adjusting rod and main rod, need by sliding counterweight block to the scale corresponding distance, to guarantee the device overall gravity center, in order to hurdle device does not occur dumping phenomenon, at the same time, through the setting of elastic clamping groove, can when height -adjusting structure folds and adjusts the rod hoop and fixes, improves the stability of device. DRAWINGS

[0016] Figure 1 It is appearance structure schematic diagram of the utility model;

[0017] Figure 2 It is height -adjusting structure schematic diagram of the utility model;

[0018] Figure 3 It is fixed structure schematic diagram of the utility model;

[0019] Figure 4 It is counterweight structure schematic diagram of the utility model;

[0020] Figure 5 It is scale structure schematic diagram of the utility model.

[0021] In the figure: 1, friction base plate; 2, height adjusting structure; 21, hinged seat; 22, main rod; 23, adjusting rod; 24, shelf plate; 3, fixing structure; 31, fixing plate; 32, threaded rod; 33, knob; 34, limiting rod; 35, threaded block; 36, fixing cylinder; 37, sliding block; 4, sliding groove; 5, counterweight structure; 51, counterweight block; 52, stand column; 53, elastic clamping groove; 54, pointer; 6, scale. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-5 The height-adjustable track and field hurdle frame comprises two friction base plates 1, the top of each friction base plate 1 is fixedly installed with a height adjusting structure 2, and the outer surface of each friction base plate 1 is fixedly installed with a fixing structure 3 on one side; the height adjusting structure 2 comprises two groups of hinged seats 21, and a main rod 22 is hingedly installed between the two groups of hinged seats 21; the two fixing structures 3 comprise two groups of fixing plates 31, one of which is rotatably installed with a threaded rod 32 inside, the top of the threaded rod 32 is fixedly installed with a knob 33, the other fixing plate 31 is fixedly installed with a limiting rod 34 inside, the outer surface of the threaded rod 32 is threadedly installed with a threaded block 35, one side of the threaded block 35 is fixedly installed with a fixing cylinder 36, and one side of the fixing cylinder 36 is fixedly installed with a sliding block 37, and the sliding block 37 is slidably connected with the friction base plate 1.

[0024] Please refer to Figures 1-2 The outer surface of each main rod 22 is sleeved with an adjusting rod 23, and the two adjusting rods 23 are fixedly installed with a shelf plate 24 through bolts.

[0025] The adjusting rod 23 is sleeved on the outer surface of the main rod 22, and when height adjustment is needed, the adjusting rod 23 can be directly pulled upward to complete the height adjustment.

[0026] Please refer to Figure 1 and Figures 3-5The bottoms of the two friction base plates 1 are provided with rubber pads, and the interiors of the two friction base plates 1 are fixedly installed with counterweight structures 5. The two counterweight structures 5 comprise counterweight blocks 51, and the two counterweight blocks 51 are in sliding connection with the friction base plates 1. The tops of the two counterweight blocks 51 are fixedly installed with vertical columns 52, and the tops of the two vertical columns 52 are fixedly installed with elastic clamping grooves 53. The outer surfaces of the two vertical columns 52 are fixedly installed with pointers 54. The tops of the two friction base plates 1 are provided with sliding grooves 4, and the two sliding grooves 4 are in sliding connection with the counterweight blocks 51. The tops of the two friction base plates 1 are provided with scales 6.

[0027] The rubber pads arranged at the bottoms of the two friction base plates 1 can increase the friction force with the track and field and improve the stability of the device.

[0028] When the adjustable height track and field hurdle frame is used, the main rod 22 and the adjusting rod 23 are approximately parallel to the friction base plate 1, so that the device is convenient to store and carry. When the device is used, the two adjusting rods 23 are erected, the two main rods 22 are perpendicular to the friction base plate 1, the two turn buttons 33 are rotated in sequence, the threaded blocks 35 are moved upward on the outer surfaces of the threaded rods 32 and the limiting rods 34 due to the limiting of the limiting rods 34, the fixing cylinders 36 are slid upward in the friction base plate 1, the bottoms of the main rods 22 are clamped in the hollow portions in the fixing cylinders 36, the two adjusting rods 23 are vertically fixed, and the track and field hurdle frame is used for crossing hurdles.

[0029] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An adjustable height athletics hurdle frame comprising two friction base plates (1), characterised in that: The top of two friction base plates (1) is fixedly installed with height adjusting structure (2), and the outer surface of two friction base plates (1) is fixedly installed with fixed structure (3) on one side. The height adjusting structure (2) comprises two groups of hinged seats (21), and a main rod (22) is hingedly installed between the two groups of hinged seats (21); Two fixed structures (3) comprise two groups of fixed plates (31), one group of fixed plates (31) is rotatably installed with a threaded rod (32) in the inside, the top of the threaded rod (32) is fixedly installed with a rotating knob (33), the other group of fixed plates (31) is fixedly installed with a limiting rod (34) in the inside, the outer surface of the threaded rod (32) is threadedly installed with a threaded block (35), one side of the threaded block (35) is fixedly installed with a fixed cylinder (36), one side of the fixed cylinder (36) is fixedly installed with a sliding block (37), and the sliding block (37) is slidably connected with the friction base plate (1).

2. The height adjustable track hurdle of claim 1, wherein: The outer surface of two main rods (22) is sleeved with an adjusting rod (23), and the adjusting rod (23) is fixedly installed with a frame plate (24) through bolts between two adjusting rods (23).

3. The height adjustable track hurdle of claim 1, wherein: The bottom of two friction base plates (1) is provided with rubber pads, and the inside of two friction base plates (1) is fixedly installed with counterweight structure (5).

4. A height adjustable track hurdle frame according to claim 3, wherein: Two counterweight structures (5) comprise counterweight blocks (51), and two counterweight blocks (51) are slidably connected with the friction base plate (1).

5. A height adjustable track hurdle frame according to claim 4, characterised in that: The top of two counterweight blocks (51) is fixedly installed with a stand column (52), and the top of two stand columns (52) is fixedly installed with an elastic clamping groove (53).

6. A height adjustable track hurdle frame according to claim 5, wherein: The outer surface of two stand columns (52) is fixedly installed with a pointer (54) on one side.

7. The height adjustable track and field hurdle of claim 1, wherein: The top of two friction base plates (1) is provided with a sliding groove (4), and two sliding grooves (4) are slidably connected with the counterweight block (51).

8. The height adjustable track and field hurdle of claim 1, wherein: The top of two friction base plates (1) is provided with a scale (6) on one side.

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