CN2496111Y - Fixing component of dot calculagraph - Google Patents
Fixing component of dot calculagraph Download PDFInfo
- Publication number
- CN2496111Y CN2496111Y CN 01262542 CN01262542U CN2496111Y CN 2496111 Y CN2496111 Y CN 2496111Y CN 01262542 CN01262542 CN 01262542 CN 01262542 U CN01262542 U CN 01262542U CN 2496111 Y CN2496111 Y CN 2496111Y
- Authority
- CN
- China
- Prior art keywords
- box body
- pressing plate
- getting
- support bar
- timer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Measurement Of Predetermined Time Intervals (AREA)
Abstract
The utility model relates to a fixing device of a dot timer. The utility model comprises a box body for containing the dot timer, a pressing plate is arranged at one edge being closed to the box body in the box body, a positioning rod is got through the box body wall being closed to the pressing plate and is connected with the pressing plate, a pressure spring is sleeved at the part in the box body where the positioning rod is positioned, a supporting rod is arranged on the back surface of the box body. The dot timer adopting the fixing device with the structure has good steadiness when being fixed, and simultaneously is easy and accurate to be fixed, and can achieve good testing effect.
Description
The utility model relates to a kind of stationary installation of getting timer ready.
Getting timer ready is essential experimental apparatus in China's high school physics law of conservation of mechanical energy experiment.In experiment, be fixed on the iron stand getting timer ready, simultaneously,, the spacing hole of getting ready on the timer is positioned on the vertical straight line in order to reduce the error in the experiment.Getting timer at present ready mainly is to use flask holder with being connected of iron stand, and this way continues into the present in the whole nation always.But it is conspicuous fixing the drawback of getting timer ready with flask holder: at first, the steadiness of getting timer ready is poor; Secondly, it is difficult more on vertical straight line to get the timer spacing hole ready for adjustment, has increased the difficulty of experiment.
The purpose of this utility model is to overcome the above-mentioned defective of prior art, and a kind of stationary installation of getting timer ready that can fixedly get timer effectively, easily ready is provided.
The utility model comprises can hold the box body of getting timer ready, in box body, be provided with pressing plate near on the limit of box body, backstay passes with the close box wall of pressing plate and with pressing plate and is connected, and the part that is positioned at box body at backstay is arranged with stage clip, is provided with support bar at the back side of box body.
Adopt the stationary installation of getting timer ready steadiness when fixedly getting timer ready of said structure good, convenient fixing, accurate can reach good experiment effect simultaneously.
Further illustrate particular content of the present utility model below in conjunction with drawings and Examples.
Fig. 1: the configuration diagram of present embodiment;
The vertical view of Fig. 2: Fig. 1;
Attempt on the right side of Fig. 3: Fig. 1.
As shown in the figure, present embodiment comprises box body 1, its size should be more slightly bigger than getting timer ready, in box body 1, be provided with the pressing plate parallel 2 with this edge near on the limit of box body 1, backstay 3 passes with the close box wall of pressing plate 2 and with pressing plate 2 and is connected, and backstay 3 is provided with plug outside box body 1 makes backstay 3 can limit the displacement of pressing plate 2.Backstay can adopt one, also can adopt a plurality ofly, generally adopts two for best.The part that is positioned at box body 1 at backstay 2 is arranged with stage clip 4, and an end of stage clip 4 is resisted against the inwall of box body 1, and the other end is resisted against the back side of pressing plate 2 with pressing plate 2.Like this, pressing plate can move along the direction perpendicular to pressing plate in box body, and make the distance between the limit of it and the box body relative be the trend of dwindling under the effect of stage clip with it, this maximal value that just need reach the distance between them when stage clip is compressed fully should be greater than getting the corresponding width of timer ready, and the minimum value and value that reaches between them when the plug of backstay is resisted against the outer wall of box body should be less than getting the corresponding width of timer ready.Backstay adopts bolt in the present embodiment, and bolt is realized being connected by screw thread and pressing plate, and this structure also exists pressing plate adjustable positions and assembling and advantage easy to maintenance.Be connected with bracing frame 5 at the back side of box body 1, support bar 6 is hinged on the bracing frame 5, between bracing frame 5 and support bar 6, also be provided with stationary installation, support bar can be propped up in use and put down parallelly with box body in time spent not, this in addition structure can also be regulated the angle between support bar and the box body arbitrarily.The above-mentioned concrete structure of stationary installation is that the pin joint of offering on bracing frame 6 with bracing frame 6 and support bar 5 is one section circular arc fluting in the center of circle in the present embodiment, bolt 7 also passes this section circular arc fluting when passing support bar 5, nut 8 is matched with bolt 7 by another direction.Bolt and nut is secondary just to be fixed on support bar on the bracing frame screwing only to need during use that support bar is moved to desired position.
Claims (4)
1, a kind of stationary installation of getting timer ready, it is characterized in that: but comprise box body (1), in box body (1), be provided with pressing plate (2) near on the limit of box body (1), backstay (3) passes with the close box wall of pressing plate (2) and with pressing plate (2) and is connected, the part that is positioned at box body (1) at backstay (3) is arranged with stage clip (4), is provided with support bar (6) at the back side of box body (1).
2, the stationary installation of getting timer ready according to claim 1, it is characterized in that: be connected with bracing frame (5) at the back side of box body (1), support bar (6) is hinged on the bracing frame (5), also is provided with stationary installation between bracing frame (5) and support bar (6).
3, the stationary installation of getting timer ready according to claim 2, it is characterized in that: the structure that described stationary installation is concrete is that the pin joint of offering on bracing frame (6) with bracing frame (6) and support bar (5) is one section circular arc fluting in the center of circle, bolt (7) also passes this section circular arc fluting when passing support bar (5), nut (8) is matched with bolt (7) by another direction.
4, according to claim 1 or the 2 or 3 described stationary installations of getting timer ready, it is characterized in that: described backstay (3) adopts bolt, and bolt is realized being connected by screw thread and pressing plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01262542 CN2496111Y (en) | 2001-09-01 | 2001-09-01 | Fixing component of dot calculagraph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01262542 CN2496111Y (en) | 2001-09-01 | 2001-09-01 | Fixing component of dot calculagraph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2496111Y true CN2496111Y (en) | 2002-06-19 |
Family
ID=33670267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01262542 Expired - Fee Related CN2496111Y (en) | 2001-09-01 | 2001-09-01 | Fixing component of dot calculagraph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2496111Y (en) |
-
2001
- 2001-09-01 CN CN 01262542 patent/CN2496111Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |