A dumbbell quality batch calibration device

Abstract

The invention discloses a dumbbell mass batch verification device, comprising a bracket, the upper end of the bracket is fixedly connected to a casing, a main operating chamber is fixedly arranged inside the casing, a vertical auxiliary mechanism is arranged at the upper end of the main operating chamber, an elastic compression mechanism is fixedly arranged at the lower end of the vertical auxiliary mechanism, and a sliding verification mechanism is fixedly arranged at the lower end of the elastic compression mechanism; through the provided sliding verification mechanism, the mass causes spring compression, and then combined with the working principle of a sliding rheostat, the mass is converted into a displacement change, which is indirectly converted into a change in a current signal, a dumbbell of standard mass is placed on a tray, a compression groove is compressed under the action of gravity, and then the current change between a standard part and a detection part is compared to indirectly verify the dumbbell mass, thereby simplifying the operation process and effectively increasing the accuracy of the detection.

Description

Technical Field

[0001] The present application relates to the field of quality inspection and is a dumbbell quality batch inspection device. Background Art

[0002] Dumbbells are a kind of fitness equipment, which are auxiliary equipment for fitness people to lift weights and do fitness exercises. They are smaller than barbells. The weights of light dumbbells range from 6, 8, 12, and 16 pounds. The weights of heavy dumbbells range from 10, 55, and 30 kilograms. Because the weight can vary from person to person, they are favored by fitness enthusiasts; and dumbbells of different weight specifications need to ensure the accuracy of their quality, so dumbbells on the market generally need to be quality-checked;

[0003] The patent with application number: CN201811341599.X discloses a large mass comparator weight calibration device, which relates to the field of measurement. It includes: a base, on which a weighing pan for weighing weights is provided; a support structure, which is arranged on the weighing pan, and a support gap is provided on the support structure, and the width of the support gap is smaller than the diameter of the weights; a loading frame, which is detachably connected to the base, and the loading frame includes a loading platform for supporting the weights; when the loading frame is arranged on the base, the loading platform is arranged in the support gap, and the distance between the side of the loading platform away from the base and the base is smaller than the distance between the side of the support structure away from the base and the base. However, the operation process of this invention is complicated and the detection is cumbersome. Summary of the invention

[0004] In view of the above-mentioned state of the prior art, this application is made. The purpose of this application is to provide a dumbbell quality batch calibration device, which adopts the following technical solution:

[0005] The present application provides a dumbbell mass batch verification device, comprising a bracket, the upper end of the bracket is fixedly connected to a casing, a main operating chamber is fixedly arranged inside the casing, a vertical auxiliary mechanism is arranged at the upper end of the main operating chamber, an elastic compression mechanism is fixedly arranged at the lower end of the vertical auxiliary mechanism, a sliding verification mechanism is fixedly arranged at the lower end of the elastic compression mechanism, an elastic coefficient adjustment mechanism is arranged at the lower end wall of the main operating chamber, and a buzzing mechanism is fixedly arranged at the right end surface of the casing; the sliding verification mechanism is used for mass calibration, and the vertical auxiliary mechanism and the elastic compression mechanism are used to assist the sliding verification mechanism Quality verification is carried out, the elastic coefficient adjustment mechanism is used to adjust the detection of dumbbells of different specifications and qualities, and the buzzer mechanism is used to output the detection results; a slot is fixedly provided at the middle part of the lower end wall of the main operating cavity, a protection bracket is placed at the lower end wall of the main operating cavity, the protection bracket is used to protect the device from overload, a detection block is fixedly provided in the middle part of the protection bracket, a detection cavity is provided inside the detection block, a U-shaped block is fixedly provided at the upper end of the detection cavity, a vertical sliding rod is slidably provided in the U-shaped block, the middle part of the vertical sliding rod is fixedly connected to a fixed disk, and the right end of the fixed disk is fixedly connected to a sliding sheet.

[0006] Preferably, a buffer spring is fixedly connected between the lower end surface of the fixed disk and the lower end wall of the detection cavity, a vertical fixing plate is fixedly provided at the right end of the detection cavity, a vertical slide rail is fixedly provided at the front end surface of the vertical fixing plate, the sliding plate can slide in close contact with the vertical slide rail, an electrical signal comparison module is fixedly provided at the right end wall of the detection cavity, and the electrical signal comparison module and the vertical slide rail are connected by a wire.

[0007] Preferably, the buzzer mechanism includes a buzzer block fixedly connected to the right end surface of the casing, a buzzer chamber is fixedly provided inside the buzzer block, a buzzer power supply is fixedly provided at the lower end wall of the buzzer chamber, and a buzzer is fixedly provided at the upper end wall of the buzzer chamber; the buzzer power supply can control the buzzer to buzz.

[0008] Preferably, the vertical auxiliary mechanism includes a vertical slide groove fixedly arranged at the left and right end walls of the main operating chamber, a vertical slider is vertically slidably provided in the vertical slide groove, a connecting rod is fixedly connected between the vertical sliders, a fixed block is fixedly provided at the middle part of the upper end wall of the main operating chamber, a circular groove is provided inside the fixed block, an extension rod is slidably provided in the circular groove, the middle part of the extension rod is fixedly connected to the connecting rod, and the upper end of the extension rod is fixedly connected to a tray; the tray is used to place dumbbells to be tested.

[0009] Preferably, the elastic compression mechanism includes a compression block fixedly connected to the lower end surface of the connecting rod, a compression groove is fixedly provided inside the compression block, a guide cylinder is slidably provided in the compression groove, and an elastic spring is fixed between the upper end surface of the guide cylinder and the upper end wall of the compression groove; by compressing the elastic spring, indirect detection of the dumbbell mass can be achieved.

[0010] Preferably, the elastic coefficient adjustment mechanism includes a hexagonal groove fixedly arranged on the lower end wall of the main operating chamber, a nut is provided inside the hexagonal groove, and a threaded rod is threadedly connected to the nut.

[0011] Preferably, the lower end surface of the guide cylinder is fixedly connected to the upper end surface of the vertical support plate; the compression amount of the elastic spring in the elastic compression mechanism is changed by changing the vertical position of the vertical support plate.

[0012] Preferably, a knob is fixedly provided at the lower end surface of the threaded rod, and the upper end of the threaded rod is rotatably connected to the lower end surface of the vertical support plate; by manually rotating the knob, the threaded rod is driven to perform thread feed in the nut, thereby adjusting the vertical position of the vertical support plate.

[0013] By adopting the above-mentioned technical scheme, the present application provides a dumbbell mass batch verification device, which has the following beneficial effects: through the set sliding verification mechanism, the mass causes the spring to be compressed, and then combined with the working principle of the sliding rheostat, the mass is converted into a displacement change, and then indirectly converted into a change in the current signal. A dumbbell of standard mass is placed on a tray, and the compression groove is compressed under the action of gravity. When the extension rod moves downward, the vertical slide rod, the fixed disk and the sliding plate are driven to move downward a certain displacement as a whole, and then the vertical slide rail moves in the vertical fixed plate, causing the current in the electrical signal comparison module to change; and then by comparing the current change between the standard part and the test part, the dumbbell quality is indirectly verified, which simplifies the operation process and effectively increases the accuracy of the detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of a dumbbell mass batch calibration device of the present invention;

[0015] Figure 2 yes Figure 1 A schematic structural diagram of a dumbbell mass batch calibration device;

[0016] Figure 3 yes Figure 2 A partial enlarged schematic diagram of

[0017] Figure 4 yes Figure 3 A partial enlarged schematic diagram of

[0018] Figure 5 yes Figure 2 A partial enlarged schematic diagram of

[0019] Figure 6 yes Figure 3 A partial enlarged schematic diagram of

[0020] Figure 7 yes Figure 2 A partial enlarged schematic diagram of

[0021] In the figure:

[0022] 10. Bracket; 11. Casing; 12. Main operating chamber; 13. Vertical auxiliary mechanism; 14. Elastic compression mechanism; 15. Sliding check mechanism; 16. Elastic coefficient adjustment mechanism; 17. Buzzer mechanism; 18. Buzzer block; 19. Buzzer chamber; 20. Buzzer power supply; 21. Buzzer; 22. Hexagonal slot; 23. Nut; 24. Threaded rod; 25. Knob; 26. Vertical support plate; 27. Protective bracket; 28. Detection block; 29. ​​Detection Measuring cavity; 30, U-shaped block; 31, vertical slide bar; 32, fixed plate; 33, buffer spring; 34, sliding plate; 35, vertical fixed plate; 36, vertical slide rail; 37, electrical signal comparison module; 38, slot; 39, vertical slide groove; 40, vertical slider; 41, connecting rod; 42, compression block; 43, compression groove; 44, guide cylinder; 45, elastic spring; 46, extension rod; 47, fixed block; 48, circular groove; 50, tray. DETAILED DESCRIPTION

[0023] The exemplary embodiments of the present application are described below with reference to the accompanying drawings. It should be understood that these specific descriptions are only used to teach those skilled in the art how to implement the present application, and are not intended to exhaust all possible methods of the present application, nor to limit the scope of the present application;

[0024] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only simplified descriptions for the convenience of describing the present invention, 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, and therefore should not be understood as a limitation on the present invention.

[0025] like Figure 1-Figure 7As shown, a dumbbell mass batch verification device according to an embodiment of the present invention comprises a bracket 10, the upper end of the bracket 10 is fixedly connected to a housing 11, a main operating chamber 12 is fixedly provided inside the housing 11, a vertical auxiliary mechanism 13 is provided at the upper end of the main operating chamber 12, an elastic compression mechanism 14 is fixedly provided at the lower end of the vertical auxiliary mechanism 13, a sliding verification mechanism 15 is fixedly provided at the lower end of the elastic compression mechanism 14, an elastic coefficient adjustment mechanism 16 is provided at the lower end wall of the main operating chamber 12, and a buzzing mechanism 17 is fixedly provided at the right end surface of the housing 11; the sliding verification mechanism 15 is used for mass calibration, and the vertical auxiliary mechanism 13 and the elastic compression mechanism 14 are used to assist the sliding verification mechanism The structure 15 is used for quality verification, the elastic coefficient adjustment mechanism 16 is used to adjust the detection of dumbbells of different specifications and qualities, and the buzzer mechanism 17 is used to output the detection results; a slot 38 is fixedly provided at the middle part of the lower end wall of the main operating chamber 12, and a protection bracket 27 is placed at the lower end wall of the main operating chamber 12. The protection bracket 27 is used to protect the device from overload, and a detection block 28 is fixedly provided in the middle part of the protection bracket 27. A detection cavity 29 is provided inside the detection block 28, and a U-shaped block 30 is fixedly provided at the upper end of the detection cavity 29. A vertical slide rod 31 is slidably provided in the U-shaped block 30, and the middle part of the vertical slide rod 31 is fixedly connected to a fixed disk 32, and the right end of the fixed disk 32 is fixedly connected to a sliding sheet 34.

[0026] Advantageously, a buffer spring 33 is fixedly connected between the lower end surface of the fixed disk 32 and the lower end wall of the detection chamber 29, a vertical fixing plate 35 is fixedly provided at the right end of the detection chamber 29, a vertical slide rail 36 is fixedly provided at the front end surface of the vertical fixing plate 35, the sliding plate 34 can slide in close contact with the vertical slide rail 36, an electrical signal comparison module 37 is fixedly provided at the right end wall of the detection chamber 29, and the electrical signal comparison module 37 and the vertical slide rail 36 are connected by a wire.

[0027] Advantageously, the buzzer mechanism 17 includes a buzzer block 18 fixedly connected to the right end face of the housing 11, a buzzer chamber 19 is fixedly provided inside the buzzer block 18, a buzzer power supply 20 is fixedly provided at the lower end wall of the buzzer chamber 19, and a buzzer 21 is fixedly provided at the upper end wall of the buzzer chamber 19; the buzzer power supply 20 can control the buzzer 21 to buzz.

[0028] Advantageously, the vertical auxiliary mechanism 13 includes a vertical slide groove 39 fixedly arranged at the left and right end walls of the main operating chamber 12, a vertical slider 40 is vertically slidably provided in the vertical slide groove 39, a connecting rod 41 is fixedly connected between the vertical sliders 40, a fixed block 47 is fixedly provided at the middle part of the upper end wall of the main operating chamber 12, a circular groove 48 is provided inside the fixed block 47, an extension rod 46 is slidably provided in the circular groove 48, the middle part of the extension rod 46 is fixedly connected to the connecting rod 41, and the upper end of the extension rod 46 is fixedly connected to a tray 50; the tray 50 is used to place the dumbbells to be tested.

[0029] Advantageously, the elastic compression mechanism 14 includes a compression block 42 fixedly connected to the lower end surface of the connecting rod 41, a compression groove 43 is fixedly provided inside the compression block 42, a guide cylinder 44 is slidably provided in the compression groove 43, and an elastic spring 45 is fixedly provided between the upper end surface of the guide cylinder 44 and the upper end wall of the compression groove 43; by compressing the elastic spring 45, indirect detection of the dumbbell mass can be achieved.

[0030] Advantageously, the elastic coefficient adjustment mechanism 16 includes a hexagonal groove 22 fixedly disposed on the lower end wall of the main operating chamber 12 , a nut 23 is disposed inside the hexagonal groove 22 , and a threaded rod 24 is threadedly connected to the nut 23 .

[0031] Advantageously, the lower end surface of the guide cylinder 44 is fixedly connected to the upper end surface of the vertical support plate 26; by changing the vertical position of the vertical support plate 26, the compression amount of the elastic spring 45 in the elastic compression mechanism 14 is changed.

[0032] Advantageously, a knob 25 is fixedly provided at the lower end surface of the threaded rod 24, and the upper end of the threaded rod 24 is rotatably connected to the lower end surface of the vertical support plate 26; by manually rotating the knob 25, the threaded rod 24 is driven to perform thread feed in the nut 23, thereby adjusting the vertical position of the vertical support plate 26.

[0033] A dumbbell quality batch calibration device of the present invention has the following working process:

[0034] In the initial state, the knob 25 is rotated to drive the vertical position adjustment of the vertical support plate 26 through the threaded transmission relationship between the nut 23 and the threaded rod 24, and the compression groove 43 is adjusted to the compression amount of the specified mass;

[0035] A dumbbell of standard quality is placed on the tray 50, and then the compression groove 43 is compressed under the action of gravity. At this time, the connecting rod 41 and the elastic coefficient adjustment mechanism 16 move downward as a whole, and when the extension rod 46 moves downward, the vertical slide bar 31, the fixed disk 32 and the sliding plate 34 are driven to move downward by a certain displacement as a whole, and then the vertical slide rail 36 moves in the vertical fixed plate 35, causing the current in the electrical signal comparison module 37 to change; remove the standard parts, and then place the dumbbell to be tested on the tray 50, and check whether the change values ​​of the two electrical signals are the same, so as to verify the quality of the dumbbell. When the quality difference is large, the electrical signal comparison module 37 controls the buzzer power supply 20 to be turned on, so that the buzzer 21 is stimulated to emit a buzzer to remind of the quality problem.

[0036] It should be understood that the above embodiments are merely exemplary and are not intended to limit the present application. Those skilled in the art may make various modifications and changes to the above embodiments under the guidance of the present application without departing from the scope of the present application.

Claims

1. A dumbbell mass batch calibration device, comprising a bracket (10), characterized in that: The upper end of the bracket (10) is fixedly connected to the housing (11); a main operating chamber (12) is fixedly provided inside the housing (11); a vertical auxiliary mechanism (13) is provided at the upper end of the main operating chamber (12); an elastic compression mechanism (14) is fixedly provided at the lower end of the vertical auxiliary mechanism (13); a sliding verification mechanism (15) is fixedly provided at the lower end of the elastic compression mechanism (14); an elastic coefficient adjustment mechanism (16) is provided at the lower end wall of the main operating chamber (12); and a buzzing mechanism (17) is fixedly provided at the right end surface of the housing (11); the sliding verification mechanism (15) is used for mass calibration; the vertical auxiliary mechanism (13) and the elastic compression mechanism (14) are used to assist the sliding verification mechanism (15) in performing mass calibration; the elastic coefficient adjustment mechanism (16) is provided at the lower end wall of the main operating chamber (12); and a buzzing mechanism (17) is fixedly provided at the right end surface of the housing (11); the sliding verification mechanism (15) is used for mass calibration; the vertical auxiliary mechanism (13) and the elastic compression mechanism (14) are used to assist the sliding verification mechanism (15) in performing mass calibration; and the elastic coefficient adjustment mechanism (16) is provided at the lower end wall of the main operating chamber (12). The whole mechanism (16) is used to adjust the detection of dumbbells of different specifications and qualities, and the buzzer mechanism (17) is used to output the detection results; a slot (38) is fixedly provided at the middle of the lower end wall of the main operation chamber (12), a protection bracket (27) is placed at the lower end wall of the main operation chamber (12), the protection bracket (27) is used to protect the device from overload, a detection block (28) is fixedly provided at the middle of the protection bracket (27), a detection chamber (29) is provided inside the detection block (28), a U-shaped block (30) is fixedly provided at the upper end of the detection chamber (29), a vertical slide bar (31) is slidably provided in the U-shaped block (30), the middle of the vertical slide bar (31) is fixedly connected to a fixed plate (32), and the right end of the fixed plate (32) is fixedly connected to a sliding sheet (34); A buffer spring (33) is fixedly connected between the lower end surface of the fixed plate (32) and the lower end wall of the detection chamber (29); a vertical fixing plate (35) is fixedly provided at the right end of the detection chamber (29); a vertical slide rail (36) is fixedly provided at the front end surface of the vertical fixing plate (35); the slide plate (34) is capable of sliding in contact with the vertical slide rail (36); an electrical signal comparison module (37) is fixedly provided at the right end wall of the detection chamber (29); and the electrical signal comparison module (37) and the vertical slide rail (36) are connected via a wire.

2. A dumbbell mass batch calibration device according to claim 1, characterized in that: The buzzer mechanism (17) comprises a buzzer block (18) fixedly connected to the right end surface of the housing (11), a buzzer chamber (19) fixedly provided inside the buzzer block (18), a buzzer power supply (20) fixedly provided at the lower end wall of the buzzer chamber (19), and a buzzer (21) fixedly provided at the upper end wall of the buzzer chamber (19).

3. A dumbbell mass batch calibration device according to claim 1, characterized in that: The vertical auxiliary mechanism (13) comprises a vertical slide groove (39) fixedly arranged at the left and right end walls of the main operating chamber (12), a vertical slider (40) being vertically slidably arranged in the vertical slide groove (39), a connecting rod (41) being fixedly connected between the vertical sliders (40), a fixed block (47) being fixedly arranged at the middle part of the upper end wall of the main operating chamber (12), a circular groove (48) being arranged inside the fixed block (47), a protruding rod (46) being slidably arranged in the circular groove (48), a middle part of the protruding rod (46) being fixedly connected to the connecting rod (41), and an upper end of the protruding rod (46) being fixedly connected to a tray (50).

4. A dumbbell mass batch calibration device according to claim 3, characterized in that: The elastic compression mechanism (14) comprises a compression block (42) fixedly connected to the lower end surface of the connecting rod (41), a compression groove (43) fixedly provided inside the compression block (42), a guide cylinder (44) slidably provided in the compression groove (43), and an elastic spring (45) fixedly provided between the upper end surface of the guide cylinder (44) and the upper end wall of the compression groove (43).

5. A dumbbell mass batch calibration device according to claim 4, characterized in that: The elastic coefficient adjustment mechanism (16) comprises a hexagonal groove (22) fixedly arranged at the lower end wall of the main operating chamber (12), a nut (23) being provided inside the hexagonal groove (22), and a threaded rod (24) being threadedly connected to the nut (23).

6. A dumbbell mass batch calibration device according to claim 5, characterized in that: The lower end surface of the guide cylinder (44) is fixedly connected to the upper end surface of the vertical support plate (26).

7. A dumbbell mass batch calibration device according to claim 6, characterized in that: A knob (25) is fixedly provided at the lower end surface of the threaded rod (24), and the upper end of the threaded rod (24) is rotatably connected to the lower end surface of the vertical support plate (26).

Images