CN205264183U - Wrist strength compares with ware - Google Patents
Wrist strength compares with ware Download PDFInfo
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- CN205264183U CN205264183U CN201521043873.7U CN201521043873U CN205264183U CN 205264183 U CN205264183 U CN 205264183U CN 201521043873 U CN201521043873 U CN 201521043873U CN 205264183 U CN205264183 U CN 205264183U
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- transverse axis
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- roundabout
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Abstract
The utility model belongs to the technical field of the teaching device, concretely relates to teaching device of demonstrateing the moment of torsion, concrete technical scheme does: wrist strength compares with ware, including the left socle, the right branch frame, traffic cycle and small turntable, left socle and right branch were put up the horizontal pole and were linked to each other, the top of left socle is fixed with left bearing frame, the top of right branch frame is fixed with right bearing frame, the diameter of traffic cycle is greater than small turntable's diameter, link to each other through the cross axle between traffic cycle and the small turntable, link to each other through deep groove ball bearing between cross axle and the left bearing frame, close through left bearing end plate lid in the outside of left side bearing frame, link to each other through deep groove ball bearing between cross axle and the right bearing frame, close through right bearing end plate lid in the outside of right side bearing frame, object pivoted effect not only with power big or small relevant, still with power the application point, the direction of power is relevant, when twisting when moving traffic cycle or small turntable, the bounce -back device has the resilience effect to the cross axle, it is laborsaving when rotating the traffic cycle with same size's power, rotate small turntable difficultly with same size's power.
Description
Technical field
The utility model belongs to instructional device technical field, is specifically related to a kind of instructional device of showing moment of torsion.
Background technology
Moment of torsion is a kind of special moment that object is rotated, and the vertical distance between torque forces and torque forces and axle is larger, and moment of torsion is just larger, and on the contrary, moment of torsion is just less. Current moment of torsion is all that computing formula is shown, there is no the entity device displaying of imparting knowledge to students.
Utility model content
The technical problem existing for solving prior art, the utility model provides a kind of instructional device of showing moment of torsion, participant can realize the size variation of moment when in use, and, also can compare with wrist power by this device, in study moment knowledge, can also enjoy the enjoyment of playing.
For achieving the above object, the technical scheme that the utility model adopts is: wrist power compares with device, comprise left socle, right support, traffic cycle and mini-roundabout, left socle and right support all vertically arrange, left socle is connected by cross bar with right support, the top of left socle is fixed with left shaft holder, the top of right support is fixed with right bearing seat, the race diameter of traffic cycle is greater than the race diameter of mini-roundabout, between traffic cycle and mini-roundabout, be connected by transverse axis, between transverse axis and left shaft holder, be connected by deep groove ball bearing, the outside of left shaft holder covers by left bearing end cap, between transverse axis and right bearing seat, be connected by deep groove ball bearing, the outside of right bearing seat covers by right bearing end cap.
The effect that object rotates is not only relevant with the size of power, also relevant with the direction of the application point of power, power, in the time turning traffic cycle or mini-roundabout, rebounding device has rebound effect to transverse axis, in the time that the power with onesize is rotated traffic cycle, the diameter of traffic cycle is large, and the arm of force is long, moment is just large, laborsaving when rotation. In the time that the power with onesize is rotated mini-roundabout, the diameter of mini-roundabout is little, and the arm of force is short, and moment is just little, when rotation, requires great effort.
If do not establish resilient mounting in transverse axis, need two participants to stand in respectively the two ends of traffic cycle and mini-roundabout, two participants rotate respectively traffic cycle and mini-roundabout, do not need electricity consumption, and energy-conserving and environment-protective can also be realized the enjoyment of playing in learning knowledge.
This device is used for showing moment and cylinder rod principle, in the motion of cylinder bar, is subject to the arm of force larger, more laborsaving with the ratio of resistance arm.
Left socle comprises that two left sides erect strut, the top of two perpendicular struts in a left side is connected by left singletree, the middle part of two perpendicular struts in a left side is connected by left hollow pipe, left shaft holder is fixed on the middle part of left singletree, and right support comprises that two right sides erect strut, and the top of two perpendicular struts in the right side is connected by right singletree, the middle part of two perpendicular struts in the right side is connected by right hollow pipe, right bearing seat is fixed on the middle part of right singletree, and overall structure is stable, in rotating, can not rock.
Wherein, the square-section of the left axle head of transverse axis, traffic cycle is sleeved on the left axle head of transverse axis, between traffic cycle and transverse axis, be pressed with pad, traffic cycle is fixed by screws on transverse axis, traffic cycle is synchronizeed and is rotated with transverse axis, and traffic cycle can arbitrarily not rotate with respect to transverse axis, in rotating, can not make a noise.
Wherein, the center of left axle head has the screwed hole matching with screw, and screwed hole is for being connected with the screw of left end.
Wherein, the square-section of the right axle head of transverse axis, mini-roundabout is sleeved on the right axle head of transverse axis, between mini-roundabout and transverse axis, be pressed with pad, mini-roundabout is fixed by screws on transverse axis, mini-roundabout is synchronizeed and is rotated with transverse axis, and mini-roundabout can arbitrarily not rotate with respect to transverse axis, in rotating, can not make a noise.
Wherein, the center of right axle head has the screwed hole matching with screw, and screwed hole is for being connected with the screw of right-hand member.
Wherein, the periphery of traffic cycle and mini-roundabout is all passed through round and smooth processing, prevents from hindering hand in rotating.
Wherein, the middle part of transverse axis is hollow structure, and quality is light.
Wherein, fillet processing is all passed through in the junction of two perpendicular struts in a left side and left singletree, prevents from hindering hand.
Wherein, fillet processing is all passed through in the junction of two perpendicular struts in the right side and right singletree, prevents from hindering hand.
Brief description of the drawings
Fig. 1 is stereogram of the present utility model.
Fig. 2 is front view of the present utility model.
Fig. 3 is side view of the present utility model.
Fig. 4 is the partial enlarged drawing at A place in Fig. 2.
Fig. 5 is the structural representation of transverse axis.
In figure, 1 is left socle, and 2 is right support, and 3 is traffic cycle, 4 is mini-roundabout, and 5 is cross bar, and 6 is left shaft holder, 7 is right bearing seat, and 8 is deep groove ball bearing, and 9 is left bearing end cap, 10 is left perpendicular strut, and 11 is left singletree, and 12 is left hollow pipe, 13 is right perpendicular strut, and 14 is right singletree, and 15 is right hollow pipe, 16 is pad, and 17 is screw, and 18 is transverse axis.
Detailed description of the invention
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the utility model is further elaborated. Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As Figure 1-5, wrist power compares with device, comprise left socle 1, right support 2, traffic cycle 3 and mini-roundabout 4, left socle 1 all vertically arranges with right support 2, left socle 1 is connected by cross bar 5 with right support 2, the top of left socle 1 is fixed with left shaft holder 6, the top of right support 2 is fixed with right bearing seat 7, the race diameter of traffic cycle 3 is greater than the race diameter of mini-roundabout 4, between traffic cycle 3 and mini-roundabout 4, be connected by transverse axis 18, between transverse axis 18 and left shaft holder 6, be connected by deep groove ball bearing 8, the outside of left shaft holder 6 covers by left bearing end cap 9, between transverse axis 18 and right bearing seat 7, be connected by deep groove ball bearing 8, the outside of right bearing seat 7 covers by right bearing end cap.
The effect that object rotates is not only relevant with the size of power, also relevant with the direction of the application point of power, power, in the time turning traffic cycle 3 or mini-roundabout 4, rebounding device has rebound effect to transverse axis 18, in the time that the power with onesize is rotated traffic cycle 3, the diameter of traffic cycle 3 is large, and the arm of force is long, moment is just large, laborsaving when rotation. In the time that the power with onesize is rotated mini-roundabout 4, the diameter of mini-roundabout 4 is little, and the arm of force is short, and moment is just little, when rotation, requires great effort.
If do not establish resilient mounting in transverse axis 18, need two participants to stand in respectively the two ends of traffic cycle 3 and mini-roundabout 4, two participants rotate respectively traffic cycle 3 and mini-roundabout 4, do not need electricity consumption, energy-conserving and environment-protective can also be realized the enjoyment of playing in learning knowledge.
This device is used for showing moment and cylinder rod principle, in the motion of cylinder bar, is subject to the arm of force larger, more laborsaving with the ratio of resistance arm.
Left socle 1 comprises that two left sides erect strut 10, the top of two perpendicular struts 10 in a left side is connected by left singletree 11, the middle part of two perpendicular struts 10 in a left side is connected by left hollow pipe 12, left shaft holder 6 is fixed on the middle part of left singletree 11, right support 2 comprises that two right sides erect strut 13, the top of two perpendicular struts 13 in the right side is connected by right singletree 14, the middle part of two perpendicular struts 13 in the right side is connected by right hollow pipe 15, right bearing seat 7 is fixed on the middle part of right singletree 14, overall structure is stable, in rotating, can not rock.
Wherein, the square-section of the left axle head of transverse axis 18, traffic cycle 3 is sleeved on the left axle head of transverse axis 18, between traffic cycle 3 and transverse axis 18, be pressed with pad 16, traffic cycle 3 is fixed on transverse axis 18 by screw 17, traffic cycle 3 is synchronizeed rotation with transverse axis 18, traffic cycle 3 can arbitrarily not rotate with respect to transverse axis 18, in rotating, can not make a noise.
Wherein, the left axle head center of transverse axis 18 has the screwed hole matching with screw 17, and screwed hole is for being connected with the screw 17 of left end.
Wherein, the square-section of the right axle head of transverse axis 18, mini-roundabout 4 is sleeved on the right axle head of transverse axis 18, between mini-roundabout 4 and transverse axis 18, be pressed with pad 16, mini-roundabout 4 is fixed on transverse axis 18 by screw 17, mini-roundabout 4 is synchronizeed rotation with transverse axis 18, mini-roundabout 4 can arbitrarily not rotate with respect to transverse axis 18, in rotating, can not make a noise.
Wherein, the center of the right axle head of transverse axis 18 has the screwed hole matching with screw 17, and screwed hole is for being connected with the screw 17 of right-hand member.
Wherein, traffic cycle 3 all passes through round and smooth processing with the periphery of mini-roundabout 4, prevents from hindering hand in rotating.
Wherein, the middle part of transverse axis 18 is hollow structure, and quality is light.
Wherein, two perpendicular struts 10 in a left side all pass through fillet processing with the junction of left singletree 11, prevent from hindering hand.
Wherein, two perpendicular struts 13 in the right side all pass through fillet processing with the junction of right singletree 14, prevent from hindering hand.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., all should wrap within the scope of the utility model.
Claims (10)
1. wrist power compares with device, it is characterized in that, comprise left socle (1), right support (2), traffic cycle (3) and mini-roundabout (4), described left socle (1) all vertically fixes on the ground with right support (2), left socle (1) is connected by cross bar (5) with right support (2), the top of described left socle (1) is fixed with left shaft holder (6), the top of right support (2) is fixed with right bearing seat (7), the race diameter of traffic cycle (3) is greater than the race diameter of mini-roundabout (4), between described traffic cycle (3) and mini-roundabout (4), be connected by transverse axis (18), between transverse axis (18) and left shaft holder (6), be connected by deep groove ball bearing (8), the outside of left shaft holder (6) covers by left bearing end cap (9), between transverse axis (18) and right bearing seat (7), be connected by deep groove ball bearing (8), the outside of right bearing seat (7) covers by right bearing end cap.
2. wrist power according to claim 1 compares with device, it is characterized in that, described left socle (1) comprises that two left sides erect strut (10), the top of two perpendicular struts (10) in a left side is connected by left singletree (11), the middle part of two perpendicular struts (10) in a left side is connected by left hollow pipe (12), described left shaft holder (6) is fixed on the middle part of left singletree (11), described right support (2) comprises that two right sides erect strut (13), the top of two perpendicular struts (13) in the right side is connected by right singletree (14), the middle part of two perpendicular struts (13) in the right side is connected by right hollow pipe (15), described right bearing seat (7) is fixed on the middle part of right singletree (14).
3. wrist power according to claim 2 compares with device, it is characterized in that, the square-section of the left axle head of described transverse axis (18), traffic cycle (3) is sleeved on the left axle head of transverse axis (18), between traffic cycle (3) and transverse axis (18), be pressed with pad (16), traffic cycle (3) is fixed on transverse axis (18) by screw (17).
4. wrist power according to claim 3 compares with device, it is characterized in that, the center of described left axle head has the screwed hole matching with screw (17).
5. wrist power according to claim 4 compares with device, it is characterized in that, the square-section of the right axle head of described transverse axis (18), mini-roundabout (4) is sleeved on the right axle head of transverse axis (18), between mini-roundabout (4) and transverse axis (18), be pressed with pad (16), mini-roundabout (4) is fixed on transverse axis (18) by screw (17).
6. wrist power according to claim 5 compares with device, it is characterized in that, the center of described right axle head has the screwed hole matching with screw (17).
7. wrist power according to claim 6 compares with device, it is characterized in that, described traffic cycle (3) all passes through round and smooth processing with the periphery of mini-roundabout (4).
8. wrist power according to claim 7 compares with device, it is characterized in that, the middle part of described transverse axis (18) is hollow structure.
9. wrist power according to claim 8 compares with device, it is characterized in that, two perpendicular struts (10) in a described left side all pass through fillet processing with the junction of left singletree (11).
10. wrist power according to claim 9 compares with device, it is characterized in that, two perpendicular struts (13) in the described right side all pass through fillet processing with the junction of right singletree (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521043873.7U CN205264183U (en) | 2015-12-15 | 2015-12-15 | Wrist strength compares with ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521043873.7U CN205264183U (en) | 2015-12-15 | 2015-12-15 | Wrist strength compares with ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205264183U true CN205264183U (en) | 2016-05-25 |
Family
ID=56005699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521043873.7U Active CN205264183U (en) | 2015-12-15 | 2015-12-15 | Wrist strength compares with ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205264183U (en) |
-
2015
- 2015-12-15 CN CN201521043873.7U patent/CN205264183U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |