CN201936520U - Demonstration device for knee jerk reflex - Google Patents
Demonstration device for knee jerk reflex Download PDFInfo
- Publication number
- CN201936520U CN201936520U CN2011200545452U CN201120054545U CN201936520U CN 201936520 U CN201936520 U CN 201936520U CN 2011200545452 U CN2011200545452 U CN 2011200545452U CN 201120054545 U CN201120054545 U CN 201120054545U CN 201936520 U CN201936520 U CN 201936520U
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- China
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- demonstration
- leg
- hammer
- handle
- lamp
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Abstract
The utility model discloses a demonstration device for knee jerk reflex, which comprises a housing and is characterized in that a demonstration hammer, a demonstration leg, and a demonstration lamp are arranged on the surface of the housing; a power transmission device is arranged in the housing; the demonstration hammer and the demonstration leg are in transmission connection with the power transmission device; and the demonstration lamp is connected with a demonstration lamp control device. By adopting the demonstration device to demonstrate knee jerk reflex, the demonstration is straightforward and vivid, and students are easy to understand and are highly impressed.
Description
Technical field
The utility model relates to a kind of teaching apparatus, particularly a kind of knee jerk reflex demonstration device.
Background technology
Reflection is neururgic basic mode, reflection finish will be by nerve impulse a series of complexity such as generation, conduction and abstract process, the student is when doing " knee jerk reflex " experiment, just this surface phenomena of knee jerk of seeing, and the generation of nerve impulse, the conduction can't see at all, only according to abstract explanation, the student is difficult to understand.
The utility model content
The technical problems to be solved in the utility model is the deficiency at technique scheme, and a kind of knee jerk reflex demonstration device is provided.
For addressing the above problem the technical solution of the utility model be:
A kind of knee jerk reflex demonstration device, comprise housing, it is characterized in that: the surface of housing is provided with demonstration hammer, demonstration leg and demonstration lamp, is provided with actuating unit in the described housing, demonstration hammer and demonstration leg and actuating unit are in transmission connection, and the demonstration lamp is connected with the demonstration lamp control device.
Below be to further improvement in the technical proposal:
Described actuating unit comprises hammer axle, line shaft and the leg axle that is arranged in the housing, and described hammer axle is provided with the moving handle of hammer, and described line shaft is provided with the power handle, and described leg axle is provided with the moving handle of leg; The moving handle of described hammer be arranged on the corresponding position of power handle on, the moving handle of leg be arranged on the corresponding position of power handle on, the end of line shaft is provided with operating handle, the power handle is provided with the moving utmost point.
The demonstration hammer is connected with the hammer axle, and the demonstration leg is connected with the leg axle.
Described housing comprises panel and cover, and panel is connected by column with cover.
Position near the demonstration hammer on the lateral surface of described panel is provided with the control mainspring, and the position near the demonstration leg on the lateral surface of described panel is provided with control leg spring.
Described demonstration lamp control device comprises power supply, brush and is arranged on contact in the housing, and power supply is electrically connected with brush, and brush is electrically connected with the moving utmost point, demonstrates lamp and is arranged between contact and the power supply.
The quantity of described contact is a plurality of, and the quantity of demonstration lamp is a plurality of, and contact and demonstration lamp are corresponding one by one.
During work, rotate operating handle, operating handle drives the power handle and rotates, the moving handle of power handle elder generation transmission hammer, the motion of the moving handle transmission demonstration of hammer hammer, finish the strike process, be rotated further operating handle then, the moving utmost point that moves with the power handle contacts with first contact, form the loop, first demonstration lamp is bright, is rotated further the moving utmost point and contact and disengages, and first demonstration lamp extinguishes, continue this process, after the moving utmost point broke away from last contact, the power handle was stirred the moving handle of leg, the demonstration leg motion process of finishing the work, adopt the utility model to carry out the demonstration of knee jerk reflex, directly perceived lively, can make things convenient for the student to understand memory and profound.
Below in conjunction with drawings and Examples technique scheme is described further.
Description of drawings
Accompanying drawing 1 is the structural representation of a kind of knee jerk reflex demonstration device among the utility model embodiment;
Accompanying drawing 2 is an electrical schematic of the present utility model;
Accompanying drawing 3 is the utility model left view.
Among the figure:
The 1-panel; 2-demonstrates lamp; The moving handle of 3-hammer; The 4-contact; 5-is controlled mainspring; 6-demonstrates hammer; 7-control leg spring; 8-demonstrates leg; The 9-column; The 10-cover; 11-hammers axle into shape; 12-power handle; 13-moves the utmost point; The 14-line shaft; The 15-operating handle; The 16-leg moves handle; 17-leg axle; The 19-dry cell; The 20-brush; The 21-housing.
Embodiment
Embodiment, as shown in Figures 1 and 2, a kind of knee jerk reflex demonstration device, comprise housing 21, the surface of housing 21 is provided with demonstration hammer 6, demonstration leg 8 and demonstration lamp 2, be provided with actuating unit in the described housing 21, demonstration hammer 6 and demonstration leg 8 are in transmission connection with actuating unit, and some demonstration lamps 2 are connected with the demonstration lamp control device.
Described actuating unit comprises hammer axle 11, line shaft 14 and the leg axle 17 that is arranged in the housing 21, and described hammer axle 11 is provided with the moving handle 3 of hammer, and described line shaft 14 is provided with power handle 12, and described leg axle 17 is provided with the moving handle 16 of leg; The moving handle 3 of described hammer be arranged on power handle 12 corresponding positions on, the moving handle 16 of leg be arranged on power handle 12 corresponding positions on, the end of line shaft 14 is provided with operating handle 15, power handle 12 is provided with the moving utmost point 13, operating handle 15 is positioned at outside the housing 21; Demonstration hammer 6 is connected with hammer axle 11, and demonstration leg 8 is connected with leg axle 17.
Position near demonstration hammer 6 on the lateral surface of described panel 1 is provided with control mainspring 5, and the position near demonstration leg 8 on the lateral surface of described panel 1 is provided with control leg spring 7; Described housing 21 comprises panel 1 and cover 10, and panel 1 is connected by column 9 with cover 10, and being provided with of control mainspring 5 and control leg spring 7 made things convenient for resetting of demonstration hammer 6 and demonstration leg 8.
As shown in Figure 3, described demonstration lamp control device comprises power supply 19, brush 20 and is arranged on the contact 4 of panel 1 medial surface, and power supply 19 is electrically connected with brush 20, and brush 20 is electrically connected with the moving utmost point 13, the moving utmost point 13 contacts conduction with contact 4, and demonstration lamp 2 is arranged between contact 4 and the power supply 19; The quantity of described contact 4 is a plurality of, and the quantity of demonstration lamp 2 is a plurality of, and contact 4 and demonstration lamp 2 are corresponding one by one, and contact 4 and demonstration lamp 2 are cascaded one to one; The moving utmost point 13 is arranged on the power handle 12, and the described moving utmost point 13 can together rotate along with power handle 12; Described contact 4 and demonstration lamp 2 are electrically connected, and the moving utmost point 13 forms the loop when contact contact 4, and demonstration lamp 2 is bright; Described power supply 19 is dry cells, and setting is arranged in turn at the surperficial upper edge of panel 1 reflex arc in the position of demonstration lamp 2.
During work, rotate operating handle 15, operating handle 15 drives power handle 12 and rotates, the moving handle 3 of power handle 12 first transmission hammers, 6 motions of the moving handle 3 transmissions demonstration of hammer hammer, finish the strike process, be rotated further operating handle 15 then, the moving utmost point 13 that moves with power handle 12 contacts with first contact 4, form the loop, first demonstration lamp 2 is bright, is rotated further the moving utmost point 13 and disengages with contact 4, and first demonstration lamp 2 extinguishes, continue this process, after the moving utmost point 13 broke away from last contact 4, power handle 12 was stirred the moving handle 16 of leg, the demonstration leg motion process of finishing the work, adopt the utility model to carry out the demonstration of knee jerk reflex, directly perceived lively, can make things convenient for the student to understand memory and profound.
Claims (7)
1. knee jerk reflex demonstration device, comprise housing (21), it is characterized in that: the surface of housing (21) is provided with demonstration hammer (6), demonstration leg (8) and demonstration lamp (2), described housing is provided with actuating unit in (21), demonstration hammer (6) and demonstration leg (8) are in transmission connection with actuating unit, and demonstration lamp (2) is connected with the demonstration lamp control device.
2. a kind of knee jerk reflex demonstration device as claimed in claim 1, it is characterized in that: described actuating unit comprises hammer axle (11), line shaft (14) and the leg axle (17) that is arranged in the housing (21), described hammer axle (11) is provided with the moving handle (3) of hammer, described line shaft (14) is provided with power handle (12), and described leg axle (17) is provided with the moving handle (16) of leg; Described hammer move handle (3) be arranged on the corresponding position of power handle (12) on, leg move handle (16) be arranged on the corresponding position of power handle (12) on, the end of line shaft (14) is provided with operating handle (15), power handle (12) is provided with the moving utmost point (13).
3. a kind of knee jerk reflex demonstration device as claimed in claim 2 is characterized in that: demonstration hammer (6) is connected with hammer axle (11), and demonstration leg (8) is connected with leg axle (17).
4. a kind of knee jerk reflex demonstration device as claimed in claim 1 is characterized in that: described housing (21) comprises panel (1) and cover (10), and panel (1) is connected by column (9) with cover (10).
5. a kind of knee jerk reflex demonstration device as claimed in claim 4, it is characterized in that: the position near demonstration hammer (6) on the lateral surface of described panel (1) is provided with control mainspring (5), and the position near demonstration leg (8) on the lateral surface of described panel (1) is provided with control leg spring (7).
6. a kind of knee jerk reflex demonstration device as claimed in claim 2, it is characterized in that: described demonstration lamp control device comprises power supply (19), brush (20) and is arranged on the contact (4) of panel (1) medial surface, power supply (19) is electrically connected with brush (20), brush (20) is electrically connected with the moving utmost point (13), and demonstration lamp (2) is arranged between contact (4) and the power supply (19).
7. a kind of knee jerk reflex demonstration device as claimed in claim 6 is characterized in that: the quantity of described contact (4) is a plurality of, and the quantity of demonstration lamp (2) is a plurality of, and contact (4) and demonstration lamp (2) are corresponding one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200545452U CN201936520U (en) | 2011-03-04 | 2011-03-04 | Demonstration device for knee jerk reflex |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200545452U CN201936520U (en) | 2011-03-04 | 2011-03-04 | Demonstration device for knee jerk reflex |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201936520U true CN201936520U (en) | 2011-08-17 |
Family
ID=44448036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200545452U Expired - Fee Related CN201936520U (en) | 2011-03-04 | 2011-03-04 | Demonstration device for knee jerk reflex |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201936520U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551355A (en) * | 2015-09-21 | 2016-05-04 | 沈阳医学院 | Sound control knee-jerk reflex demonstration system used for teaching |
-
2011
- 2011-03-04 CN CN2011200545452U patent/CN201936520U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551355A (en) * | 2015-09-21 | 2016-05-04 | 沈阳医学院 | Sound control knee-jerk reflex demonstration system used for teaching |
| CN105551355B (en) * | 2015-09-21 | 2018-10-23 | 沈阳医学院 | Teaching acoustic control knee jerk reflex demo system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110817 Termination date: 20120304 |