Adjustable hurdle frame convenient to store

Abstract

The utility model relates to the technical field of hurdles, in particular to an adjustable hurdle convenient to store, which comprises a base and a hurdle, the base comprises two mounting seats and a connecting rod, grooves are arranged on the top surfaces of the mounting seats, sliding rails are mounted on the walls of the grooves, pulleys are mounted on the sliding rails, and axles of the pulleys are connected with sleeves; the mounting seat is connected with a limiting plate and is provided with a positioning angle block, and the positioning angle block is provided with a containing cavity; the end, hinged to the mounting base, of the limiting plate is a hinged end, the end, away from the hinged end, of the limiting plate is a limiting end, the limiting end is connected with a fixing plate, the fixing plate is connected with a compression spring, and the compression spring is connected with the bottom of the limiting plate. Therefore, the sleeve rod can be placed in the mounting seat, the position of the sleeve rod is limited through the combined action of the positioning angle block and the limiting plate, the folding and unfolding process can be completed by pressing and lifting the limiting plate and sliding the sleeve, the operation is very convenient and rapid, and no tool is needed.

Description

Technical Field

[0001] The utility model relates to the technical field of hurdle racks, and specifically provides an adjustable hurdle rack which is convenient for storage. Background Art

[0002] Hurdles is a very healthy and interesting sport. With the popularity of hurdles in primary and secondary schools, hurdle equipment has become an increasingly indispensable sports equipment.

[0003] The utility model with announcement number CN218392264U proposes a height-adjustable track and field hurdle frame. When the height-adjustable track and field hurdle frame is stored, the detachable adjustment connecting piece and the detachable adjustment hurdle frame piece are disassembled, a locking point of the first double-hinged locking piece is opened, the detachable adjustment connecting piece is folded to a position approximately parallel to the base, a locking point of the second double-hinged locking piece is opened, the height adjustment piece is folded to a position approximately parallel to the base, a locking point of the third double-hinged locking piece is opened, and the detachable adjustment hurdle frame piece is folded to a position approximately parallel to the height adjustment piece, thereby folding the height-adjustable track and field hurdle frame into two cylindrical bodies to complete the storage, which is convenient for carrying and moving the hurdle frame.

[0004] However, the storage process in this patent requires frequent disassembly and folding, and the disassembly and locking process also requires tools. Students and athletes usually do not have various tools when using the training venue. The storage process is very inconvenient and the storage steps are relatively cumbersome. Utility Model Content

[0005] In view of the above-mentioned defects, the purpose of the present invention is to provide an adjustable hurdle rack that is easy to store, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above technical purpose, the technical solution of the utility model is:

[0007] An adjustable hurdle frame for easy storage, comprising a base and a hurdle, the base comprising two mounting seats and a connecting rod, the two mounting seats being fixedly connected to the connecting rod, a groove being provided on the top surface of the mounting seat, a slide rail being installed on the groove walls on both sides of the groove, a pulley being slidably installed on the slide rail, a sleeve being fixedly connected to the wheel axle of the pulley, the cross section of the sleeve being square, and the width of the sleeve being less than the distance between the two slide rails in the groove; an end of the mounting seat away from the connecting rod is hingedly connected to a limit plate, the limit plate being located at the top of the groove, a positioning angle block being installed at the other end of the mounting seat, the positioning angle block being provided with an accommodating cavity for accommodating the pulley at a position corresponding to the slide rail, and the distance between the positioning angle block and the limit end of the limit plate corresponding to the width of the sleeve; an end of the limit plate hingedly connected to the mounting seat is a hinge end, an end of the limit plate away from the hinge end is a limit end, the limit end is hingedly connected to a fixed plate, the fixed plate is connected to a compression spring, and an end of the compression spring away from the fixed plate is connected to the bottom of the limit plate.

[0008] Furthermore, two symmetrical fixing rods are installed at the limiting end of the limiting plate, the distance between the two fixing rods is greater than the width of the sleeve, and a U-shaped buckle corresponding to the fixing rod is installed on the top of the positioning angle block.

[0009] Furthermore, a notch is provided at the top of the groove wall on one side opposite to the two mounting seats 8, and the notch is matched with the hurdle.

[0010] Furthermore, a sleeve rod is slidably sleeved in the sleeve, a fastening structure is installed on the sleeve, the fastening structure includes a fastening frame and a fastening bolt, the fastening frame is installed on the inner wall of the sleeve, the sleeve rod is slidably connected to the fastening frame, the end of the fastening bolt passes through the side wall of the sleeve and is tightened against the sleeve rod, the fastening bolt and the fastening frame are installed in transverse correspondence, and anti-slip pads are installed on the inner wall of the fastening frame and the output end of the fastening bolt.

[0011] Furthermore, a mounting groove is installed on the top of the sleeve rod, a hurdle is installed on the mounting groove, and scale lines are provided on the sleeve rod.

[0012] Furthermore, a handle is installed in the middle of one end of the connecting rod away from the limiting plate.

[0013] The beneficial effects of the utility model are as follows: the utility model uses pulleys and slide rails to make the sleeve rod and the mounting seat slidably connected, so that the sleeve rod can be placed in the mounting seat, and the position of the sleeve rod is limited by the joint action of the positioning angle block and the limit plate, and the storage and unfolding process can be completed only by pressing and lifting the limit plate, which is very convenient and quick, and does not require any tools.

[0014] The sleeve rod is connected with the sleeve copper drum fastening structure, and scale lines are arranged on the sleeve rod, so that the height of the hurdle can be adjusted according to the height, age and physical fitness of the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the structure of the adjustable hurdle rack when it is unfolded for easy storage;

[0016] Figure 2 A top view of the adjustable hurdle rack for easy storage;

[0017] Figure 3 A schematic diagram of the structure of the adjustable hurdle rack when it is stored for easy storage;

[0018] Figure 4 is a structural schematic diagram of the fastening structure;

[0019] Figure 5 for Figure 1 Schematic diagram of the structure of the middle A area;

[0020] Figure 6 It is a schematic diagram of the structure inside the mounting seat 8;

[0021] In the figure: 1. hurdle; 2. scale line; 3. sleeve rod; 4. U-shaped buckle; 5. sleeve; 6. limit plate; 7. handle; 8. mounting seat; 9. slide rail; 10. fixing rod; 11. pulley; 12. notch; 13. fastening structure; 14. sleeve; 15. fixing frame; 16. fastening bolt; 17. connecting rod; 18. mounting groove; 19. fixing plate; 20. compression spring. DETAILED DESCRIPTION

[0022] The present invention is further described below in conjunction with the specific implementation methods and the accompanying drawings. The accompanying drawings are only for illustrative purposes and are only schematic diagrams, not actual drawings, and should not be construed as limiting the present application. In order to better illustrate the embodiments of the present invention, some parts of the accompanying drawings may be omitted, enlarged, or reduced, and do not represent the size of the actual product. It is understandable to those skilled in the art that some well-known structures and their descriptions in the accompanying drawings may be omitted.

[0023] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on the present application. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0024] See also Figure 1-6 The utility model provides an adjustable hurdle frame that is easy to store, including a base and a hurdle 1, the base includes two mounting seats 8 and a connecting rod 17, the two mounting seats 8 are fixedly connected to the connecting rod 17, the connecting rod 17 connects the two mounting seats 8 to fix their positions, the connecting rod 17 is perpendicular to the two mounting seats 8, the two mounting seats 8 are located at both ends of the connecting rod 17, and the two mounting seats 8 are arranged in parallel.

[0025] A groove is provided on the top surface of the mounting seat 8, and slide rails 9 are installed on the groove walls on both sides of the groove. A pulley 11 is slidably installed on the slide rails 9, and the wheel axle of the pulley 11 is fixedly connected with a sleeve 14. The cross-section of the sleeve 14 is square, and the width of the sleeve 14 is smaller than the distance between the two slide rails 9 in the groove, so that the sleeve 14 can be placed inside the mounting seat 8; the pulley 11 can slide in the slide rail 9, the sleeve 14 can follow the pulley 11 to move on the slide rail 9, and the sleeve 14 can rotate with the pulley 11 as the center of the circle. When the sleeve 14 is perpendicular to the position of the slide rail 9, the bottom of the pulley 11 and the bottom of the sleeve 14 are on the same horizontal line.

[0026] One end of the mounting seat 8 away from the connecting rod 17 is hingedly connected to the limit plate 6, one end of the limit plate 6 is a hinged end, and the end of the limit plate 6 away from the hinged end is a limit end. The length of the limit plate 6 is the distance from the hinge point of the limit plate 6 and the mounting seat 8 to the sleeve 5 when the sleeve 5 is perpendicular to the position of the slide rail 9 and the side wall of the sleeve 5 is in contact with the positioning angle block;

[0027] The limit plate 6 is located at the top of the groove, and a positioning angle block is installed at the other end of the mounting seat 8. The positioning angle block is provided with an accommodating cavity for accommodating the pulley 11 at the position corresponding to the slide rail 9, and the distance between the positioning angle block and the limiting end of the limit plate 6 corresponds to the width of the sleeve 5.

[0028] The limiting end of the limiting plate 6 is hingedly connected to a fixing plate 19, and the fixing plate 19 is connected to a compression spring 20. The end of the compression spring 20 away from the fixing plate 19 is fixedly connected to the bottom of the limiting plate 6. When the angle between the limiting plate 6 and the fixing plate 19 is equal to 90°, the fixing plate 19 needs to support and fix the sleeve 14. Therefore, the length of the compression spring 20 should be less than or equal to the initial state at this time. Therefore, when the compression spring 20 is in the initial state, the angle between the limiting plate 6 and the fixing plate 19 is greater than or equal to 90°; the fixing plate 19 can cooperate with the positioning angle block to fix the sleeve 5, and can play a positioning role on the sleeve 5, so that the pulley 11 cannot continue to slide to the side away from the limiting plate 6.

[0029] When the storage device is needed, the limit plate 6 can be pulled out with force. When the limit plate 6 is pulled, the bottom of the fixed plate 19 is subjected to force, squeezing the fixed plate 19 inward, making room for the fixed plate 19 to move, so that the fixed plate 19 can be lifted. After the sleeve 5 is placed in the mounting seat 8, the limit plate 6 can be lowered.

[0030] Two symmetrical fixing rods 10 are installed at one end of the limiting plate 6 away from the hinge point between the limiting plate 6 and the mounting seat 8. The distance between the two fixing rods 10 is greater than the width of the sleeve 14, so that the sleeve 14 can be located between the two fixing rods 10. A U-shaped buckle 4 corresponding to the fixing rod 10 is installed on the top of the positioning angle block 5. When storing, after the sleeve rod 3 and the hurdle are placed in the corresponding position, the limiting plate 6 is lowered to press the fixing rod 10 onto the U-shaped buckle 4, so that the limiting plate 6 will not open in normal transportation or traction state, making the transportation or moving process more stable and convenient.

[0031] A notch 12 is provided on the inner side wall of the mounting seat 8, and the notch 12 is arranged in coordination with the hurdle 1. The notch 12 is used to place the hurdle 1 when storing, and provides a storage position for the hurdle 1, otherwise the sleeve 14 and the hurdle 1 cannot be placed horizontally in the mounting seat 8.

[0032] The sleeve 14 is sleeved with a sleeve rod 3, a fastening structure 13 is installed on the sleeve 14, the sleeve rod 3 is connected to the sleeve 14 through the fastening structure 4, the fastening structure 4 includes a fastening frame 15 and a fastening bolt 16, the fastening frame 15 is installed on the inner wall of the sleeve 14, the sleeve rod 3 is slidably connected with the fastening frame 15, the end of the fastening bolt 16 passes through the side wall of the sleeve 14 and is tightly against the sleeve rod 3, the fastening bolt 16 and the fastening frame 15 are installed in a horizontal corresponding manner, and the inner wall of the fastening frame 15 and the output end of the fastening bolt 16 are both installed with anti-slip The pad can increase the friction between the sleeve rod 3 and prevent the friction between the sleeve rod and the fastening structure 4 from being too small, which may cause the sleeve rod 3 to slip during normal use. The fastening bolt 16 extends into the sleeve tube 14 by rotation, and generates a certain extrusion force on the sleeve rod 3, so that the sleeve rod 3 is subjected to a sufficiently large friction force, thereby fixing the sleeve rod 3 in the corresponding position. When the vertical position of the sleeve rod 3 needs to be changed, the fastening bolt 16 can be loosened so that the sleeve rod 3 has a certain activity space in the sleeve tube, thereby adjusting the position of the sleeve rod 3.

[0033] A mounting groove 18 is installed on the top of the sleeve rod 3, and the mounting groove 18 is fixedly connected to the hurdle 1. The sleeve rod 3 is provided with scale lines 2, and the values ​​of the scale lines 2 are marked according to the height of the hurdle 1. Therefore, the height of the hurdle 1 can be clearly determined according to the values ​​on the scale lines 2, making it clearer and faster to adjust the height of the hurdle 1, thereby improving the use efficiency.

[0034] A handle 7 is installed in the middle of one side of the connecting rod 17 away from the limiting plate 6. The handle 7 can be used as a fulcrum, which is more labor-saving and convenient during transportation and storage, and is safer during transportation.

[0035] When the hurdle frame is opened in actual use, the fixing rod 10 can be pulled to disengage the fixing rod 10 from the U-shaped buckle 4, the limiting plate 6 can be opened, the hurdle 1 can be held and lifted, so that the sleeve 14 can move on the slide rail 9 through the pulley 11, and the sleeve 14 can be lifted until it is perpendicular to the slide rail 9, so that the sleeve 14 fits with the positioning angle block 5, and then the limiting plate 6 is covered, so that the sleeve 14 cannot move or tip over under the joint action of the positioning angle block 5 and the limiting plate 6, and the hurdle frame is opened; when the hurdle frame is stored, the limiting plate 6 is lifted, so that the sleeve 14 can move, so that the sleeve 14 can be slid and placed horizontally, and the hurdle 1 is placed in the notch 12, and then the limiting plate 6 is covered, and the fixing rod 10 on the limiting plate 6 is pressed into the U-shaped buckle to fix the limiting plate 6, and then the hurdle frame is guided and carried by the handle 7.

[0036] Therefore, the utility model makes the sleeve rod 3 and the mounting seat 8 slidably connected through the pulley 11 and the slide rail 9, so that the sleeve rod 3 can be placed in the mounting seat 8, and the position of the sleeve rod 3 is limited by the joint action of the positioning angle block and the limit plate 6, and the storage and deployment process can be completed only by pressing and lifting the limit plate 6; the sleeve rod 3 is connected to the copper drum fastening structure 13 of the sleeve 5, and the sleeve rod 3 is provided with a scale line 2, and the height of the hurdle 1 can be adjusted according to the height, age and physical fitness of the user.

[0037] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. An adjustable hurdle rack for easy storage, comprising a base and a hurdle (1), characterized in that: The base comprises two mounting seats (8) and a connecting rod (17), the two mounting seats (8) are fixedly connected to the connecting rod (17), a groove is provided on the top surface of the mounting seat (8), a slide rail (9) is installed on the groove walls on both sides of the groove, a pulley (11) is slidably installed on the slide rail (9), the wheel axle of the pulley (11) is fixedly connected to a sleeve (14), the cross section of the sleeve (14) is square, and the width of the sleeve (14) is smaller than the distance between the two slide rails (9) in the groove; One end of the mounting seat (8) away from the connecting rod (17) is hingedly connected to a limit plate (6), the limit plate (6) is located at the top of the groove, and the other end of the mounting seat (8) is installed with a positioning angle block (5), and the positioning angle block (5) is provided with a receiving cavity for receiving the pulley (11) at a position corresponding to the slide rail (9), and the distance between the positioning angle block (5) and the limiting end of the limit plate (6) corresponds to the width of the sleeve (14); One end of the limit plate (6) hingedly connected to the mounting seat (8) is a hinged end, and the end of the limit plate (6) away from the hinged end is a limit end. The limit end is hingedly connected to a fixing plate (19), and the fixing plate (19) is connected to a compression spring (20). The end of the compression spring (20) away from the fixing plate (19) is connected to the bottom of the limit plate (6).

2. The adjustable hurdle rack for easy storage according to claim 1, characterized in that: Two symmetrical fixing rods (10) are installed at the limiting end of the limiting plate (6), the distance between the two fixing rods (10) is greater than the width of the sleeve (14), and a U-shaped buckle (4) corresponding to the fixing rod (10) is installed at the top of the positioning angle block (5).

3. The adjustable hurdle rack for easy storage according to claim 2, characterized in that: A notch (12) is provided at the top of the groove wall on one side opposite to the two mounting seats (8), and the notch (12) is arranged to cooperate with the hurdle (1).

4. The adjustable hurdle rack for easy storage according to claim 2, characterized in that: A sleeve rod (3) is slidably sleeved in the sleeve (14), a fastening structure (13) is installed on the sleeve (14), the fastening structure (13) comprises a fastening frame (15) and a fastening bolt (16), the fastening frame (15) is installed on the inner wall of the sleeve (14), the sleeve rod (3) is slidably connected to the fastening frame (15), the end of the fastening bolt (16) passes through the side wall of the sleeve (14) and is tightly abutted against the sleeve rod (3), the fastening bolt (16) and the fastening frame (15) are installed in a transversely corresponding manner, and the inner wall of the fastening frame (15) and the output end of the fastening bolt (16) are both installed with anti-slip pads.

5. The adjustable hurdle rack for easy storage according to claim 4, characterized in that: A mounting groove (18) is installed on the top of the sleeve rod (3), a hurdle (1) is installed on the mounting groove (18), and a scale line (2) is provided on the sleeve rod (3).

6. The adjustable hurdle rack for easy storage according to claim 4, characterized in that: A handle (7) is installed in the middle of one end of the connecting rod (17) away from the limiting plate (6).

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