Muscle strength tester with height convenient to adjust

Abstract

The utility model discloses a muscle strength tester convenient to adjust height, which relates to the technical field of auxiliary medical instruments and comprises a test board, and a lifting mechanism and a test mechanism are arranged at the top end of the test board. The lifting mechanism comprises a shell and a lifting table, the bottom end of the shell is welded to the top end of the test table, a motor is arranged in the shell, an output shaft of the motor is connected with a lead screw, and the lead screw is connected with a connecting base through the lifting table; the testing mechanism comprises a square tube and a lifting sleeve; the beneficial effects of the utility model are that the motor of the elevating mechanism drives the screw rod, the elevating sleeve of the testing mechanism can be driven to elevate through the elevating platform, the height of the guide wheel can be rapidly adjusted, the device can be suitable for people with different heights, manual operation is not needed, manpower and time are saved, stepless height adjustment can be realized, the flexibility is good, and the testing efficiency is high. And the lifting sleeve can be guided and limited by adopting a square pipe.

Description

Technical Field

[0001] The utility model relates to a muscle strength tester, in particular to a muscle strength tester which is convenient for adjusting the height, and belongs to the technical field of auxiliary medical equipment. Background Art

[0002] Muscle strength refers to the maximum force generated when the muscle contracts. Muscle strength testing is an important method for assessing muscle function, especially for patients with musculoskeletal system lesions and peripheral nerve lesions. At the same time, muscle strength testing can also be used as one of the important indicators for assessing the efficacy of rehabilitation treatment.

[0003] Its application number is "CN201521062145.0", which discloses "an upper limb muscle strength tester", which "comprises a base plate and a column vertically arranged on the base plate, the column is hollow, a first opening is arranged on one side of the column, and a second opening is arranged on the bottom of the column on the same side as the first opening; a plurality of groups of adjustment holes are arranged on the column, and the adjustment holes are symmetrically arranged about the first opening. " In the utility model, the pulley principle is applied, and according to the fixed pulley input force being equal to the output force, the value of the dynamometer is the upper limb muscle strength. In addition, the height of the first pulley is adjusted by the insertion of a fixed cross bar, which is suitable for people of different heights and can also facilitate the measurement of different parts of the upper limbs.

[0004] However, the above method still has the following defects: by adjusting the height of the first pulley, it can be used by people of different heights, but the height of the first pulley needs to be manually adjusted by inserting the fixed cross bar, which is inconvenient to operate and the adjustment speed is slow. The fixed cross bar is limited by the adjustment hole. Due to the hole spacing between the adjustment holes, it is difficult to perform stepless adjustment on the first pulley, and the flexibility is poor. Utility Model Content

[0005] The utility model aims to provide a muscle strength tester which is easy to adjust in height, so as to solve the problem in the above background technology that the height of the first pulley is manually adjusted by inserting a fixed cross bar, which is inconvenient to operate and has a slow adjustment speed.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a muscle strength tester that is easy to adjust the height, including a test bench, a lifting mechanism and a testing mechanism are provided at the top of the test bench; the lifting mechanism includes an outer shell and a lifting platform, the bottom end of the outer shell is welded to the top of the test bench, a motor is provided inside the outer shell, the output shaft of the motor is connected to a screw rod, and the screw rod is connected to a connecting seat through the lifting platform; the testing mechanism includes a square tube and a lifting sleeve, the bottom end of the square tube is welded to the top of the test bench, a dynamometer is installed inside the square tube, the square tube is slidably connected to the lifting sleeve, a connecting block is fixedly provided at the bottom of one side of the lifting sleeve, the connecting block is fixedly connected to the connecting seat by bolts, and a guide wheel is provided on the top of the lifting sleeve.

[0007] As a preferred technical solution of the utility model, a reinforcement plate is fixedly provided inside the shell, the motor is fixedly connected to the bottom end of the reinforcement plate, the bottom end of the screw rod is rotatably connected to the middle part of the top end of the reinforcement plate, and the top end of the screw rod is rotatably connected to the inner wall of the top end of the shell.

[0008] As a preferred technical solution of the utility model, one side of the connecting seat is fixedly connected to one side of the lifting platform, a threaded sleeve is fixedly provided in the middle of the lifting platform, the threaded sleeve is threadedly connected to the screw rod, a guide groove is opened on the other side of the lifting platform, a guide rail is fixedly provided on the inner wall of the outer shell, and the lifting platform is slidably connected to the guide rail through the guide groove.

[0009] As a preferred technical solution of the utility model, an inspection cover is fixedly connected to the surface of the shell by screws, a channel is opened on one side of the shell, the connecting seat is slidably connected to the channel, and a display screen is fixedly installed on the top of the shell.

[0010] As a preferred technical solution of the utility model, the bottom of the square tube is fixedly connected with a baffle by screws, the top of the lifting sleeve is provided with a rope opening, baffles are welded on both sides of the rope opening, and the two ends of the guide wheel are rotatably connected to the two baffles respectively.

[0011] As a preferred technical solution of the utility model, the dynamometer is fixedly connected to a pull rope, one end of the pull rope is fixedly connected to a pull rod, and the pull rope is interlaced and connected with a rope mouth.

[0012] As a preferred technical solution of the utility model, a plurality of positioning holes are opened on the surface of the test bench, the apertures of the plurality of positioning holes are equal, and a rubber pad is fixedly provided at the bottom end of the test bench.

[0013] Compared with the related art, the muscle strength tester with easy height adjustment provided by the utility model has the following beneficial effects:

[0014] The motor-driven screw rod of the lifting mechanism can drive the lifting sleeve of the test mechanism to rise and fall through the lifting platform, which is convenient for quickly adjusting the height of the guide wheel and can be used by people of different heights. No manual operation is required, which saves manpower and time, and can achieve stepless adjustment of the height with good flexibility. The square tube can guide and limit the lifting sleeve, which can improve the stability of the lifting sleeve. The lifting sleeve is not easy to deform and shake. By controlling the descent of the lifting sleeve, the overall height of the test mechanism can be reduced, which can save space and is convenient for transportation and storage. The lifting sleeve can be detached through the connecting seat and the connecting block, which is convenient for removing the lifting sleeve from the square tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is one of the structural diagrams of the utility model;

[0016] Figure 2 This is the second structural diagram of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the housing of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the testing mechanism of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the square tube of the utility model;

[0020] Figure 6 It is a structural schematic diagram of the lifting sleeve of the utility model.

[0021] In the figure: 1. test bench; 2. lifting mechanism; 201. housing; 202. motor; 203. reinforcement plate; 204. screw rod; 205. threaded sleeve; 206. lifting platform; 207. connecting seat; 208. guide groove; 209. guide rail; 2010. channel; 2011. inspection cover; 2012. display screen; 3. test mechanism; 301. square tube; 302. baffle cover; 303. dynamometer; 304. pull rope; 305. pull rod; 306. lifting sleeve; 307. connecting block; 308. rope mouth; 309. baffle; 3010. guide wheel; 4. rubber pad; 5. positioning hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1:

[0024] See also Figure 1-6 The utility model provides a muscle strength tester that is easy to adjust in height, including a test bench 1, a lifting mechanism 2 and a test mechanism 3 are provided on the top of the test bench 1, a plurality of positioning holes 5 are provided on the surface of the test bench 1, and the apertures of the plurality of positioning holes 5 are equal, a rubber pad 4 is fixedly provided at the bottom end of the test bench 1, and the test bench 1 can be positioned through the positioning holes 5 to prevent displacement;

[0025] The lifting mechanism 2 includes a housing 201 and a lifting platform 206. The bottom end of the housing 201 is welded to the top end of the test bench 1. A motor 202 is arranged inside the housing 201. The output shaft of the motor 202 is connected to a screw rod 204. The screw rod 204 is connected to a connecting seat 207 through the lifting platform 206. The motor 202 drives the screw rod 204 to drive the connecting seat 207 to rise and fall.

[0026] A reinforcing plate 203 is fixedly provided inside the housing 201, the motor 202 is fixedly connected to the bottom end of the reinforcing plate 203, the bottom end of the screw rod 204 is rotatably connected to the middle part of the top end of the reinforcing plate 203, and the top end of the screw rod 204 is rotatably connected to the inner wall of the top end of the housing 201. The reinforcing plate 203 can reinforce the inside of the housing 201, the housing 201 is not easily deformed, and can support the motor 202 and the screw rod 204;

[0027] One side of the connecting seat 207 is fixedly connected to one side of the lifting platform 206. A threaded sleeve 205 is fixedly provided in the middle of the lifting platform 206. The threaded sleeve 205 is threadedly connected to the screw rod 204. A guide groove 208 is provided on the other side of the lifting platform 206. A guide rail 209 is fixedly provided on the inner wall of the housing 201. The lifting platform 206 is slidably connected to the guide rail 209 through the guide groove 208. The threaded sleeve 205 can convert the rotational motion of the screw rod 204 into the linear motion of the lifting platform 206. The guide groove 208 and the guide rail 209 can guide the lifting platform 206.

[0028] An inspection cover 2011 is fixedly connected to the surface of the shell 201 by screws, a channel 2010 is opened on one side of the shell 201, and the connecting seat 207 is slidably connected to the channel 2010. A display screen 2012 is fixedly installed on the top of the shell 201. The connecting seat 207 can be guided by the channel 2010 to ensure the vertical movement of the connecting seat 207.

[0029] Embodiment 2:

[0030] The test mechanism 3 includes a square tube 301 and a lifting sleeve 306. The bottom end of the square tube 301 is welded to the top end of the test bench 1. A dynamometer 303 is installed inside the square tube 301. The square tube 301 is slidably connected to the lifting sleeve 306. A connecting block 307 is fixedly provided at the bottom of one side of the lifting sleeve 306. The connecting block 307 is fixedly connected to the connecting seat 207 by bolts. A guide wheel 3010 is provided on the top of the lifting sleeve 306. By placing the dynamometer 303 in the square tube 301, the square tube 301 can provide protection for the dynamometer 303.

[0031] The bottom of the square tube 301 is fixedly connected with a cover 302 by screws, a rope opening 308 is opened at the top of the lifting sleeve 306, baffles 309 are welded on both sides of the rope opening 308, and both ends of the guide wheel 3010 are rotatably connected with the two baffles 309 respectively. The dynamometer 303 can be installed and removed by opening the cover 302, the pull rope 304 can be passed through the rope opening 308, and the guide wheel 3010 can be supported by the baffles 309;

[0032] The dynamometer 303 is fixedly connected to a pull rope 304, one end of the pull rope 304 is fixedly connected to a pull rod 305, the pull rope 304 is interlaced with the rope mouth 308, and the human body pulls the dynamometer 303 through the pull rod 305 and the pull rope 304 to perform upper limb muscle strength testing.

[0033] When in use, the staff first sets the lifting sleeve 306 on the surface of the square tube 301, and then fixes the connecting block 307 and the connecting seat 207 by bolts, and then opens the cover 302 and installs the dynamometer 303. There is no need to install the dynamometer 303 on the outside, and the square tube 301 can provide protection for it. Finally, the pull rope 304 is passed through the rope opening 308, and one end of the pull rope 304 is connected to the dynamometer 303. When the upper limb muscle strength test is required, the dynamometer 303 is pulled by the pull rod 305 and the pull rope 304, and the guide wheel 3010 can guide the pull rope 304. The dynamometer 303 can monitor the tension, and the upper limb muscle strength test of the human body can be carried out. The staff connects the display screen 2012 to the dynamometer 303 to take test readings;

[0034] When height adjustment is required, the staff drives the screw rod 204 through the motor 202, and the screw rod 204 can drive the lifting platform 206 to rise and fall through the threaded sleeve 205. The lifting platform 206 can drive the lifting sleeve 306 to rise and fall through the connecting seat 207 and the connecting block 307, so that the height of the guide wheel 3010 and the pull rod 305 can be steplessly adjusted, which can be suitable for people of different heights. In this process, the square tube 301 can guide and limit the lifting sleeve 306 to ensure the stability of the lifting sleeve 306. The staff controls the lifting sleeve 306 to descend through the lifting platform 206, which can reduce the overall height of the test mechanism 3, facilitate its transportation and storage, and do not take up space. When the lifting sleeve 306 needs to be disassembled, the staff loosens the bolts that fix the connecting seat 207 and the connecting block 307, removes the lifting sleeve 306 from the square tube 301, and quickly disassembles it.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A muscle strength tester with easy height adjustment, comprising a test bench (1), characterized in that: The top of the test bench (1) is provided with a lifting mechanism (2) and a testing mechanism (3); The lifting mechanism (2) comprises a housing (201) and a lifting platform (206); the bottom end of the housing (201) is welded to the top end of the test bench (1); a motor (202) is provided inside the housing (201); an output shaft of the motor (202) is connected to a screw rod (204); and the screw rod (204) is connected to a connecting seat (207) via the lifting platform (206); The testing mechanism (3) comprises a square tube (301) and a lifting sleeve (306); the bottom end of the square tube (301) is welded to the top end of the test bench (1); a dynamometer (303) is installed inside the square tube (301); the square tube (301) is slidably connected to the lifting sleeve (306); a connecting block (307) is fixedly provided at the bottom of one side of the lifting sleeve (306); the connecting block (307) is fixedly connected to the connecting seat (207) by bolts; and a guide wheel (3010) is provided at the top of the lifting sleeve (306).

2. The muscle strength tester with easy height adjustment according to claim 1, characterized in that: A reinforcement plate (203) is fixedly provided inside the housing (201), the motor (202) is fixedly connected to the bottom end of the reinforcement plate (203), the bottom end of the screw rod (204) is rotatably connected to the middle part of the top end of the reinforcement plate (203), and the top end of the screw rod (204) is rotatably connected to the inner wall of the top end of the housing (201).

3. The muscle strength tester with easy height adjustment according to claim 1, characterized in that: One side of the connecting seat (207) is fixedly connected to one side of the lifting platform (206); a threaded sleeve (205) is fixedly provided in the middle of the lifting platform (206); the threaded sleeve (205) is threadedly connected to the screw rod (204); a guide groove (208) is provided on the other side of the lifting platform (206); a guide rail (209) is fixedly provided on the inner wall of the housing (201); and the lifting platform (206) is slidably connected to the guide rail (209) via the guide groove (208).

4. The muscle strength tester with easy height adjustment according to claim 1, characterized in that: The surface of the housing (201) is fixedly connected with an inspection cover (2011) by means of screws, one side of the housing (201) is provided with a channel (2010), the connection seat (207) is slidably connected with the channel (2010), and a display screen (2012) is fixedly mounted on the top of the housing (201).

5. The muscle strength tester with easy height adjustment according to claim 1, characterized in that: The bottom of the square tube (301) is fixedly connected with a baffle (302) by screws, the top of the lifting sleeve (306) is provided with a rope opening (308), both sides of the rope opening (308) are welded with baffles (309), and the two ends of the guide wheel (3010) are rotatably connected to the two baffles (309) respectively.

6. The muscle strength tester with easy height adjustment according to claim 5, characterized in that: The dynamometer (303) is fixedly connected to a pull rope (304), one end of the pull rope (304) is fixedly connected to a pull rod (305), and the pull rope (304) is interlacedly connected to a rope opening (308).

7. The muscle strength tester with easy height adjustment according to claim 1, characterized in that: The surface of the test bench (1) is provided with a plurality of positioning holes (5), the apertures of the plurality of positioning holes (5) are equal, and a rubber pad (4) is fixedly provided at the bottom end of the test bench (1).

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