Portable sit-and-reach testing device

Abstract

The utility model discloses a portable sit-and-reach testing device, which relates to the technical field of testing devices and comprises a bottom plate, a connecting plate is arranged above the bottom plate, a hinge is arranged at the joint of the bottom plate and the connecting plate, fixing plates are arranged at the front end and the rear end of the connecting plate respectively, a rotating handle is arranged on one side of the fixing plate at the front end, and the rotating handle is arranged on the other side of the fixing plate at the rear end. A lead screw is arranged at one end of the rotating handle, a first fixing rod is arranged in the fixing plate at the rear end, moving cylinders are arranged on the outer surfaces of the lead screw and the first fixing rod, a back plate is arranged above the two moving cylinders, a first rectangular groove is formed in the surface of the bottom plate, and a base is arranged in the first rectangular groove; a connecting rotating shaft is arranged in the base in a penetrating mode, an adjusting plate is arranged on the outer surface of the connecting rotating shaft, and two second rectangular grooves are formed in one side of the adjusting plate. According to the portable sit-and-reach testing device, the distance between the back plate and the adjusting plate can be conveniently adjusted while the sit-and-reach testing device can be conveniently disassembled, assembled and taken, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of testing devices, in particular to a portable sit-and-reach testing device. Background Art

[0002] Sit-and-reach is a physical health test item for primary, middle and high schools. Its test purpose is to measure the possible range of motion of joints such as the trunk, waist, and hips in a static state, mainly reflecting the extensibility and elasticity of the joints, ligaments and muscles of these parts and the development level of the body's flexibility quality. A corresponding testing device is required when conducting the sit-and-reach test.

[0003] The existing sit-and-reach testing devices are relatively large in size and mostly welded structures, which are not convenient for carrying and storing, bringing certain adverse effects to the using process of people. In order to solve the deficiencies of the existing technology, we propose a portable sit-and-reach testing device. Content of the Utility Model

[0004] The main purpose of the utility model is to provide a portable sit-and-reach testing device, which can effectively solve the problems in the background art.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A portable sit-and-reach testing device, including a bottom plate, a connecting plate is arranged above the bottom plate, a hinge is arranged at the connection between the bottom plate and the connecting plate, fixing plates are arranged at both the front and rear ends of the connecting plate, a turning handle is arranged on one side of the front fixing plate, a lead screw is arranged at one end of the turning handle, a first fixing rod is arranged inside the rear fixing plate, moving cylinders are arranged on the outer surfaces of both the lead screw and the first fixing rod, a back plate is arranged above the two moving cylinders, a first rectangular groove is formed on the surface of the bottom plate, a base is arranged inside the first rectangular groove, a connecting rotating shaft is arranged through the base, an adjusting plate is arranged on the outer surface of the connecting rotating shaft, two second rectangular grooves are formed on one side of the adjusting plate, second fixing rods are arranged inside the two second rectangular grooves, connecting blocks are arranged on the outer surfaces of the second fixing rods, a first bolt for fixing the connecting block is arranged at the upper end of the connecting block, a testing plate is arranged above the adjusting plate, a scale plate is arranged at the upper end of the testing plate, a pushing plate is arranged on the outer surface of the testing plate, an inserting plate is arranged at the lower end of the testing plate, a second bolt for fixing the inserting plate is arranged on one side of the adjusting plate, handles and two magnetic attraction blocks are arranged on one side of both the bottom plate and the connecting plate, and a fixing cylinder is arranged at the front end of the bottom plate.

[0007] Preferably, the connecting plate is movably connected to the bottom plate through a hinge, the two fixing plates are respectively welded to the front and rear ends of the connecting plate, and one end of the lead screw is welded to the turning handle.

[0008] Preferably, the first fixing rod is welded inside another fixing plate. The two moving cylinders are respectively threadedly connected and slidably connected to the outer surfaces of the lead screw and the first fixing rod. The bottom of the back plate is inserted into the two moving cylinders.

[0009] Preferably, the base is welded inside the first rectangular groove. The adjusting plate is movably connected to the base through a connecting rotating shaft. The second fixing rod is welded inside the second rectangular groove. The connecting block is movably connected to the outer surface of the second fixing rod. The connecting block is detachably connected to the surface of the bottom plate through a first bolt.

[0010] Preferably, the insertion plate is welded to the lower end of the test plate. The insertion plate is inserted into the adjusting plate and is detachably connected to the adjusting plate through a second bolt. The pushing plate is slidably connected to the outer surface of the test plate.

[0011] Preferably, a plurality of the magnetic attraction blocks and the two handles are respectively welded to one side of the bottom plate and the connecting plate. The fixed cylinder is welded to the front end of the bottom plate.

[0012] Advantageous effects

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

[0014] 1. In the utility model, through the arranged bottom plate, connecting plate, hinge, fixing plate, rotating handle, lead screw, first fixing rod, moving cylinder and back plate, the position of the back plate can be conveniently adjusted, so as to facilitate the sit-and-reach test for students with different leg lengths, and the practicability is relatively high. When in use, place the bottom plate and the connecting plate flat on the ground, and then install the sit-and-reach test device. After the installation is completed, rotate the rotating handle to drive the lead screw to rotate. At this time, the moving cylinder will drive the back plate to move horizontally along with the rotation of the lead screw, and adjust the distance between the back plate and the adjusting plate. After adjusting to the same length as the student's leg, the student sits on the upper end of the connecting plate, back to back with the back plate, and steps on the left surface of the adjusting plate with the feet straightened to perform the test. When students with different leg lengths use it, only need to adjust the distance between the back plate and the adjusting plate to perform the test well. The position of the back plate can be conveniently adjusted, so as to facilitate the sit-and-reach test for students with different leg lengths, and the practicability is relatively high, and the operation is convenient and fast.

[0015] 2. In the present utility model, through the provided base plate, connecting plate, hinge, first rectangular groove, base, connecting rotating shaft, adjusting plate, second rectangular groove, second fixing rod, connecting block, first bolt, test plate, scale plate, pushing plate, inserting plate, second bolt, magnetic attraction block, handle and fixing cylinder, the sit-and-reach test device can be conveniently taken, and at the same time, it can be conveniently disassembled and assembled, with relatively high practicability. During installation, since the adjusting plate is movably connected to the base through the connecting rotating shaft, directly pulling the adjusting plate can take it out from the first rectangular groove. Then, pull out the two connecting blocks from the second rectangular groove and fix them to the upper end of the base plate through the first bolt. At this time, the adjusting plate can be limited. Then, after pulling out the test plate from the fixing cylinder, insert the inserting plate at the lower end of the test plate into the adjusting plate and fix it through the second bolt to complete the installation of the sit-and-reach test. After use, disassemble it according to the steps. After disassembly, turn up the connecting plate to cover the upper end of the base plate. At this time, the two groups of magnetic attraction blocks will be magnetically attracted together, and then the whole device can be lifted and moved through the handle. The sit-and-reach test device can be conveniently taken, and at the same time, it can be conveniently disassembled and assembled, with relatively high practicability and convenient and fast operation. Description of the Drawings

[0016] Figure 1 is the overall structural schematic diagram of the present utility model;

[0017] Figure 2 is the unfolded structural schematic diagram of the sit-and-reach test device of the present utility model;

[0018] Figure 3 is the structural schematic diagram of the back plate moving device of the present utility model;

[0019] Figure 4 is the installation structural schematic diagram of the sit-and-reach test device of the present utility model.

[0020] In the figure: 1, base plate; 2, connecting plate; 3, hinge; 4, fixing plate; 5, turning handle; 6, lead screw; 7, first fixing rod; 8, moving cylinder; 9, back plate; 10, first rectangular groove; 11, base; 12, connecting rotating shaft; 13, adjusting plate; 14, second rectangular groove; 15, second fixing rod; 16, connecting block; 17, first bolt; 18, test plate; 19, scale plate; 20, pushing plate; 21, inserting plate; 22, second bolt; 23, magnetic attraction block; 24, handle; 25, fixing cylinder. Detailed Embodiments

[0021] In order to make the technical means, creative features, achieved purposes and effects of the present utility model easy to understand, the present utility model will be further elaborated below in conjunction with specific embodiments.

[0022] Such as Figures 1-4As shown, a connecting plate 2 is movably connected above a bottom plate 1 through a hinge 3. Fixed plates 4 are welded to both the front and rear ends of the connecting plate 2. A turning handle 5 is provided on one side of a fixed plate 4. A lead screw 6 is welded to one end of the turning handle 5. A first fixed rod 7 is welded inside the other fixed plate 4. A moving cylinder 8 is respectively threadedly connected and slidably connected to the outer surfaces of the lead screw 6 and the first fixed rod 7. A back plate 9 is provided at the upper ends of the two moving cylinders 8. When the turning handle 5 is rotated to drive the lead screw 6 to rotate, the moving cylinder 8 will drive the back plate 9 to move horizontally along with the rotation of the lead screw 6, so that the distance between the back plate 9 and the adjusting plate 13 can be adjusted;

[0023] A first rectangular groove 10 is formed on the surface of the bottom plate 1. A base 11 is welded inside the first rectangular groove 10. An adjusting plate 13 is movably connected above the base 11 through a connecting rotating shaft 12. Two second rectangular grooves 14 are formed on one side of the adjusting plate 13. A second fixed rod 15 is welded inside the second rectangular grooves 14. A connecting block 16 is movably connected to the outer surface of the second fixed rod 15. The connecting block 16 is detachably connected to the upper end of the bottom plate 1 through a first bolt 17. An insertion plate 21 and the adjusting plate 13 are detachably connected through a second bolt 22. A test plate 18 is welded to the upper end of the insertion plate 21. A pushing plate 20 is slidably connected to the outer surface of the test plate 18. During installation, the adjusting plate 13 is turned up, and then the two connecting blocks 16 are turned out from the second rectangular grooves 14 and fixed to the upper end of the bottom plate 1 through the first bolt 17, so that the adjusting plate 13 can be fixed. Then, the insertion plate 21 at the lower end of the test plate 18 is inserted into the adjusting plate 13 and fixed through the second bolt 22 to complete the installation. During disassembly, the first bolt 17 and the second bolt 22 are removed, and then the insertion plate 21 is pulled out. The test plate 18 is inserted into a fixed cylinder 25. Then, the two connecting blocks 16 are turned back into the second rectangular grooves 14, and the adjusting plate 13 is turned into the first rectangular groove 10, and then the connecting plate 2 is covered on the upper end of the bottom plate 1.

[0024] It should be noted that the present utility model is a portable sit-and-reach test device. By means of the provided bottom plate 1, connecting plate 2, hinge 3, fixing plate 4, turning handle 5, lead screw 6, first fixing rod 7, moving cylinder 8 and back plate 9, the position of the back plate 9 can be conveniently adjusted to facilitate the sit-and-reach test for students with different leg lengths, and it has high practicability. When in use, place the bottom plate 1 and the connecting plate 2 flat on the ground, and then install the sit-and-reach test device. After the installation is completed, rotate the turning handle 5 to drive the lead screw 6 to rotate. At this time, the moving cylinder 8 will drive the back plate 9 to move horizontally along with the rotation of the lead screw 6, and adjust the distance between the back plate 9 and the adjusting plate 13. After adjusting to the same length as the student's leg, the student sits on the upper end of the connecting plate 2, back to back with the back plate 9, and steps on the left surface of the adjusting plate 13 with the feet straightened, then the test can be carried out. When students with different leg lengths use it, only need to adjust the distance between the back plate 9 and the adjusting plate 13 to perform the test well. The position of the back plate 9 can be conveniently adjusted to facilitate the sit-and-reach test for students with different leg lengths, and it has high practicability and is convenient and fast to operate.

[0025] By means of the provided bottom plate 1, connecting plate 2, hinge 3, first rectangular groove 10, base 11, connecting rotating shaft 12, adjusting plate 13, second rectangular groove 14, second fixing rod 15, connecting block 16, first bolt 17, test plate 18, scale plate 19, push plate 20, inserting plate 21, second bolt 22, magnetic attraction block 23, handle 24 and fixing cylinder 25, the sit-and-reach test device can be conveniently taken and can be disassembled and assembled conveniently, and it has high practicability. During the installation, since the adjusting plate 13 and the base 11 are movably connected by the connecting rotating shaft 12, directly pulling the adjusting plate 13 can take it out from the first rectangular groove 10. Then pull out the two connecting blocks 16 from the second rectangular groove 14 and fix them on the upper end of the bottom plate 1 through the first bolt 17. At this time, the adjusting plate 13 can be limited. Then pull out the test plate 18 from the fixing cylinder 25, insert the inserting plate 21 at the lower end of the test plate 18 into the adjusting plate 13 and fix it through the second bolt 22 to complete the installation of the sit-and-reach test. After use, disassemble it according to the steps. After the disassembly is completed, turn up the connecting plate 2 to cover the upper end of the bottom plate 1. At this time, the two groups of magnetic attraction blocks 23 will be magnetically attracted together, and then the whole device can be lifted and moved through the handle 24. The sit-and-reach test device can be conveniently taken and can be disassembled and assembled conveniently, and it has high practicability and is convenient and fast to operate.

[0026] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above-mentioned embodiments, and what is described in the above embodiments and the specification is only to illustrate the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A portable sit-and-reach test device, comprising a bottom plate (1), characterized in that: Above the bottom plate (1), a connecting plate (2) is provided. A hinge (3) is provided at the connection between the bottom plate (1) and the connecting plate (2). Fixed plates (4) are provided at both the front and rear ends of the connecting plate (2). A turning handle (5) is provided on one side of the front fixed plate (4). One end of the turning handle (5) is provided with a lead screw (6). A first fixed rod (7) is provided inside the rear fixed plate (4). Moving cylinders (8) are provided on the outer surfaces of both the lead screw (6) and the first fixed rod (7). A back plate (9) is provided above the two moving cylinders (8). A first rectangular groove (10) is formed on the surface of the bottom plate (1). A base (11) is provided inside the first rectangular groove (10). A connecting rotating shaft (12) is passed through the base (11). An adjusting plate (13) is provided on the outer surface of the connecting rotating shaft (12). Two second rectangular grooves (14) are formed on one side of the adjusting plate (13). Second fixed rods (15) are provided inside the two second rectangular grooves (14). A connecting block (16) is provided on the outer surface of the second fixed rod (15). A first bolt (17) for fixing the connecting block (16) is provided at the upper end of the connecting block (16). A test plate (18) is provided above the adjusting plate (13). A scale plate (19) is provided at the upper end of the test plate (18). A push plate (20) is provided on the outer surface of the test plate (18). An insertion plate (21) is provided at the lower end of the test plate (18). A second bolt (22) for fixing the insertion plate (21) is provided on one side of the adjusting plate (13). Handles (24) and two magnetic attraction blocks (23) are provided on one side of both the bottom plate (1) and the connecting plate (2). A fixed cylinder (25) is provided at the front end of the bottom plate (1).

2. The portable sit-and-reach test device according to claim 1, wherein: The connecting plate (2) and the bottom plate (1) are movably connected through the hinge (3). The two fixed plates (4) are respectively welded to the front and rear ends of the connecting plate (2). One end of the lead screw (6) is welded to the turning handle (5).

3. The portable sit-and-reach test device according to claim 1, wherein: The first fixed rod (7) is welded inside the other fixed plate (4). The two moving cylinders (8) are respectively in threaded connection and sliding connection with the outer surfaces of the lead screw (6) and the first fixed rod (7). The bottom of the back plate (9) is inserted into the two moving cylinders (8).

4. A portable sit-and-reach test device according to claim 1, characterized in that: The base (11) is welded inside the first rectangular groove (10). The adjusting plate (13) and the base (11) are movably connected through the connecting rotating shaft (12). The second fixed rod (15) is welded inside the second rectangular groove (14). The connecting block (16) is movably connected to the outer surface of the second fixed rod (15). The connecting block (16) and the surface of the bottom plate (1) are detachably connected through the first bolt (17).

5. The portable sit-and-reach test device according to claim 1, characterized in that: The insertion plate (21) is welded to the lower end of the test plate (18). The insertion plate (21) is inserted into the adjusting plate (13) and is detachably connected to the adjusting plate (13) through the second bolt (22). The push plate (20) is slidably connected to the outer surface of the test plate (18).

6. The portable sit-and-reach test device according to claim 1, wherein: A plurality of the magnetic attraction blocks (23) and two handles (24) are respectively welded to one side of the bottom plate (1) and the connecting plate (2), and the fixed cylinder (25) is welded to the front end of the bottom plate (1).

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