CN216207144U

CN216207144U - Demonstration dynamometer

Info

Publication number: CN216207144U
Application number: CN202122673609.3U
Authority: CN
Inventors: 张宇; 王权
Original assignee: SHANGHAI ZHONGKE EDUCATION EQUIPMENT GROUP CO Ltd
Current assignee: SHANGHAI ZHONGKE EDUCATION EQUIPMENT GROUP CO Ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-04-05
Anticipated expiration: 2031-11-03

Abstract

The utility model discloses a demonstration dynamometer, which comprises an upper cover, a first mounting frame, a clamping block, a first through groove, a first mounting hole, a lower cover, a second mounting frame, a clamping groove, a second through groove, a second mounting hole, a mounting plate, a third through groove, a handle, a first external thread, a fixed block, a spring and a second external thread, wherein the first external thread is arranged at one end of the handle, the fixed block is in threaded connection with the outer wall of one side of the first external thread, the second external thread is arranged at one end of a hook, the first nut is in threaded connection with the outer wall of one side of the second external thread, second nuts are symmetrically arranged at two sides of an indicating needle, and the second nut is in threaded connection with the outer wall of one side of the second external thread; the dial designed by the utility model can be used for both front and back sides, and is more convenient for users to use.

Description

Demonstration dynamometer

Technical Field

The utility model relates to the technical field of dynamometers, in particular to a demonstration dynamometer.

Background

The dynamometer is an instrument which is made of metal elasticity and is marked with scales to measure force, the dynamometer has various structural forms, but mainly comprises a shell and a spiral spring, when the spring is deformed by external force, a pointer is driven to move through a transmission mechanism, and the pointer changes the position of stopping on the dial, namely the numerical value of the external force, but when the existing demonstration dynamometer is used, the dial is positioned on the surface of the shell and is easy to be interfered by the external force to generate errors; the existing demonstration dynamometer only has a dial on one surface, and is inconvenient for users to use.

Disclosure of Invention

The present invention aims to provide a demonstration dynamometer which solves the problems set forth in the background art.

In order to solve the technical problems, the utility model provides the following technical scheme: a demonstration dynamometer comprises an upper cover, a first mounting frame, a clamping block, a first through groove, a first mounting hole, a lower cover, a second mounting frame, a clamping groove, a second through groove, a second mounting hole, a mounting plate, a third through groove, a handle, a first external thread, a fixing block, a spring, a first nut, an indicating needle, a second nut, a hook and a second external thread, one end of the handle is in threaded connection with a fixed block, one end of the fixed block is provided with a spring, the inner wall of one side of the spring is in clamping connection with a first nut, the inner wall of one side of the first nut is in threaded connection with a hook, one side of the first nut is provided with an indicating needle, the indicating needle is connected with the outer wall of one side of the hook in a threaded manner, mounting plates are symmetrically arranged on two sides of the spring, an upper cover is arranged at the top end of the lifting handle, and the upper cover is sleeved on the outer wall of one side of the mounting plate, the bottom end of the handle is provided with a lower cover, and the lower cover is sleeved on the outer wall of one side of the mounting plate.

Furthermore, the one end fixedly connected with first mounting bracket of upper cover, and first mounting bracket cup joints on one side outer wall of handle, and the position fixedly connected with second mounting bracket of lower cover corresponding first mounting bracket, and the second mounting bracket cup joints on one side outer wall of handle.

Furthermore, the inner walls of the two sides of the upper cover are fixedly distributed, the inner walls of the two sides of the lower cover are provided with clamping grooves in a distributed mode, and the clamping blocks are connected to the inner wall of one side of each clamping groove in a clamped mode.

Furthermore, a third through groove is formed in the outer wall of one side of the mounting plate, the indicating needle is connected to the inner wall of one side of the third through groove in a sliding mode, the first through groove is formed in the position, corresponding to the third through groove, of the upper cover, and the second through groove is formed in the position, corresponding to the third through groove, of the lower cover.

Furthermore, a first mounting hole is formed in one end of the upper cover and is sleeved on the outer wall of one side of the hook, a second mounting hole is formed in the position, corresponding to the first mounting hole, of the lower cover, and the second mounting hole is sleeved on the outer wall of one side of the hook.

Further, the one end of handle is provided with first external screw thread, and fixed block threaded connection is on one side outer wall of first external screw thread, and the one end of couple is provided with the second external screw thread, and first nut threaded connection is on one side outer wall of second external screw thread, and the bilateral symmetry of pointer installs the second nut, and second nut threaded connection is on one side outer wall of second external screw thread.

Compared with the prior art, the utility model has the following beneficial effects: compared with the existing demonstration dynamometer, the designed dial is integrally positioned in the shell, so that the dial is not easily interfered by the outside, and the measurement result is more accurate; the dial designed by the utility model can be used for both front and back sides, and is more convenient for users to use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is an exploded view of the present invention;

FIG. 2 is an overall perspective view of the present invention;

FIG. 3 is an enlarged view of the structure of the area A in FIG. 2;

FIG. 4 is an enlarged view of the structure of the area B in FIG. 2;

FIG. 5 is a schematic view of the overall bottom structure of the present invention;

in the figure: 1. an upper cover; 11. a first mounting bracket; 12. a clamping block; 13. a first through groove; 14. a first mounting hole; 2. a lower cover; 21. a second mounting bracket; 22. a card slot; 23. a second through groove; 24. a second mounting hole; 3. mounting a plate; 31. a third through groove; 4. a handle; 41. a first external thread; 5. a fixed block; 6. a spring; 61. a first nut; 7. an indicator needle; 8. a second nut; 9. hooking; 91. a second external thread.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a demonstration dynamometer comprises an upper cover 1, a first mounting frame 11, a clamping block 12, a first through groove 13, a first mounting hole 14, a lower cover 2, a second mounting frame 21, a clamping groove 22, a second through groove 23, a second mounting hole 24, a mounting plate 3, a third through groove 31, a handle 4, first external threads 41, a fixing block 5, a spring 6, a first nut 61, an indicating needle 7, a second nut 8, a hook 9 and second external threads 91, wherein one end of the handle 4 is in threaded connection with the fixing block 5, one end of the fixing block 5 is provided with the spring 6, the inner wall of one side of the spring 6 is in clamping connection with the first nut 61, the inner wall of one side of the first nut 61 is in threaded connection with the hook 9, one side of the first nut 61 is provided with the indicating needle 7, the indicating needle 7 is in threaded connection with the outer wall of one side of the hook 9, the mounting plates 3 are symmetrically arranged on two sides of the spring 6, the top end of the handle 4 is provided with the upper cover 1, the upper cover 1 is sleeved on the outer wall of one side of the mounting plate 3, the lower cover 2 is arranged at the bottom end of the handle 4, and the lower cover 2 is sleeved on the outer wall of one side of the mounting plate 3; one end of the upper cover 1 is fixedly connected with a first mounting frame 11, the first mounting frame 11 is sleeved on the outer wall of one side of the handle 4, the position of the lower cover 2 corresponding to the first mounting frame 11 is fixedly connected with a second mounting frame 21, the second mounting frame 21 is sleeved on the outer wall of one side of the handle 4, and the first mounting frame 11 and the second mounting frame 21 are used for mounting the handle 4; the inner walls of the two sides of the upper cover 1 are distributed and fixed with clamping blocks 12, the inner walls of the two sides of the lower cover 2 are distributed and provided with clamping grooves 22, the clamping blocks 12 are clamped and connected to the inner wall of one side of each clamping groove 22, and the clamping blocks 12 and the clamping grooves 22 are used for fixing the upper cover 1 and the lower cover 2; a third through groove 31 is formed in the outer wall of one side of the mounting plate 3, the pointer 7 is connected to the inner wall of one side of the third through groove 31 in a sliding mode, a first through groove 13 is formed in the position, corresponding to the third through groove 31, of the upper cover 1, a second through groove 23 is formed in the position, corresponding to the third through groove 31, of the lower cover 2, the third through groove 31 is used for mounting the pointer 7, and the first through groove 13 and the second through groove 23 are used for a user to observe the inner pointer 7; one end of the upper cover 1 is provided with a first mounting hole 14, the first mounting hole 14 is sleeved on the outer wall of one side of the hook 9, a second mounting hole 24 is arranged at the position of the lower cover 2 corresponding to the first mounting hole 14, the second mounting hole 24 is sleeved on the outer wall of one side of the hook 9, and the first mounting hole 14 and the second mounting hole 24 are used for mounting the hook 9; one end of handle 4 is provided with first external screw thread 41, and fixed block 5 threaded connection is on one side outer wall of first external screw thread 41, the one end of couple 9 is provided with second external screw thread 91, and first nut 61 threaded connection is on one side outer wall of second external screw thread 91, second nut 8 is installed to the bilateral symmetry of pointer 7, and second nut 8 threaded connection is on one side outer wall of second external screw thread 91, first external screw thread 41 is used for connecting handle 4 and fixed block 5, second external screw thread 91 is used for connecting first nut 61 and couple 9, second nut 8 is used for supplementary fixed pointer 7 and couple 9.

The working principle is as follows: when the force measuring device is used for measuring force, the force measuring device is lifted through the lifting handle 4, the force is measured through the hook 9, the hook 9 drives the spring 6 to deform through the first nut 61, the hook 9 drives the indicating needle 7 to displace through the second nut 8, the indicating needle 7 slides on the third through groove 31 of the mounting plate 3, reading is changed through the first through groove 13 on the upper cover 1 or the second through groove 23 on the lower cover 2, the first mounting frame 11 and the second mounting frame 21 are used for mounting the lifting handle 4, the clamping block 12 and the clamping groove 22 are used for fixing the upper cover 1 and the lower cover 2, the first mounting hole 14 and the second mounting hole 24 are used for mounting the hook 9, the first external thread 41 is used for connecting the lifting handle 4 and the fixing block 5, the fixing block 5 is used for mounting the spring 6, and the second external thread 91 is used for connecting the first nut 61 and the hook 9.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A demonstration dynamometer, including a handle (4), characterized in that: the utility model discloses a portable electronic device, including handle (4), one end threaded connection of handle (4) has fixed block (5), spring (6) are installed to the one end of fixed block (5), the block is connected with first nut (61) on the inner wall of one side of spring (6), threaded connection has couple (9) on the inner wall of one side of first nut (61), one side of first nut (61) is provided with pointer (7), and pointer (7) threaded connection is on one side outer wall of couple (9), mounting panel (3) are installed to the bilateral symmetry of spring (6), the top of handle (4) is provided with upper cover (1), and upper cover (1) cup joints on one side outer wall of mounting panel (3), the bottom of handle (4) is provided with lower cover (2), and lower cover (2) cup joint on one side outer wall of mounting panel (3).

2. A demonstration ergometer according to claim 1, characterised in that: the one end fixedly connected with first mounting bracket (11) of upper cover (1), and first mounting bracket (11) cup joint on one side outer wall of handle (4), and fixed position fixedly connected with second mounting bracket (21) of lower cover (2) corresponding first mounting bracket (11), and second mounting bracket (21) cup joint on one side outer wall of handle (4).

3. A demonstration ergometer according to claim 1, characterised in that: the clamping blocks (12) are fixedly distributed on the inner walls of the two sides of the upper cover (1), the clamping grooves (22) are formed in the inner walls of the two sides of the lower cover (2) in a distributed mode, and the clamping blocks (12) are connected to the inner wall of one side of each clamping groove (22) in a clamped mode.

4. A demonstration ergometer according to claim 1, characterised in that: the third through groove (31) has been seted up on the one side outer wall of mounting panel (3), and pointer (7) sliding connection on the one side inner wall that the third led to the groove (31), first logical groove (13) have been seted up to upper cover (1) position that corresponds third through groove (31), and logical groove (23) have been seted up to the second in lower cover (2) position that corresponds third through groove (31).

5. A demonstration ergometer according to claim 1, characterised in that: first mounting hole (14) have been seted up to the one end of upper cover (1), and first mounting hole (14) cup joint on one side outer wall of couple (9), and second mounting hole (24) have been seted up to lower cover (2) position corresponding first mounting hole (14), and second mounting hole (24) cup joint on one side outer wall of couple (9).

6. A demonstration ergometer according to claim 1, characterised in that: the one end of handle (4) is provided with first external screw thread (41), and fixed block (5) threaded connection is on one side outer wall of first external screw thread (41), and the one end of couple (9) is provided with second external screw thread (91), and on one side outer wall of first nut (61) threaded connection second external screw thread (91), second nut (8) are installed to the bilateral symmetry of pointer (7), and second nut (8) threaded connection is on one side outer wall of second external screw thread (91).