CN2438139Y - Optic gate for laser - Google Patents
Optic gate for laser Download PDFInfo
- Publication number
- CN2438139Y CN2438139Y CN 00230861 CN00230861U CN2438139Y CN 2438139 Y CN2438139 Y CN 2438139Y CN 00230861 CN00230861 CN 00230861 CN 00230861 U CN00230861 U CN 00230861U CN 2438139 Y CN2438139 Y CN 2438139Y
- Authority
- CN
- China
- Prior art keywords
- light barrier
- fixed head
- relay
- connecting rod
- housing
- 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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- Laser Beam Processing (AREA)
Abstract
The utility model provides an optical gate for laser devices, which is mainly composed of a casing, a light barrier in the casing, an electric relay, etc. The optical gate is characterized in that one end of the light barrier is installed on the wall of the casing, the light barrier can rotate along the installation point, the middle part of the light barrier is connected with one end of a fixed plate that is positioned at the lower side through a connecting rod, the other end of the fixed plate is installed on a bracket by a restoring spring, and the electric relay is positioned at the lower side of the fixed plate. The optical gate has the advantages of high reliability and low cost.
Description
The utility model relates to the optical gate that a kind of laser instrument is used, and this optical gate can be used for stopping automatically laser beam.
At present, the optical gate that is used to intercept laser beam in the laser instrument generally is made of unthreaded hole and light barrier etc., the motion of light barrier has two kinds of aspects usually, a kind of is that electric rotating machine directly drives light barrier and rotates and to make light barrier sealing unthreaded hole, though this mode is simple in structure, but owing to will use electric rotating machine, thereby cost is very high, another kind then be common electric machine behind gear train, drive light barrier in the translation of unthreaded hole previous crops to block unthreaded hole, because of driving-chain in this kind of drive longer, so its accuracy is relatively poor.
For this reason, the purpose of this utility model is to overcome the deficiency of prior art, and a kind of not only accuracy height is provided, and can in time stop light beam, and the also lower laser instrument Optic gate of cost.
The technical scheme that realizes the utility model purpose is: a kind of laser instrument Optic gate mainly is made of the light barrier in housing, the housing etc., housing is provided with unthreaded hole, its special character is that an end of light barrier is installed on the housing wall, the middle part of light barrier links to each other by the end of connecting rod with the fixed head that is positioned at the light barrier below simultaneously, the other end of fixed head is installed on the support through back-moving spring, and the below of fixed head is provided with relay.
Technique scheme further is improved to, and the close light barrier of the interface of light barrier and connecting rod is installed on the mounting points on the housing wall.
And the distance between relay and the fixed head mounting spring end is less than the distance between the coupler link end on relay and the fixed head.
As shown from the above technical solution, light barrier in the laser instrument Optic gate that the utility model provides by relay through being positioned at the fixed head of relay top, connecting rod, perhaps spring drives, relay gets when electric, relay attracts fixed head, fixed head spurs connecting rod downwards, driving light barrier through connecting rod moves down and blocks unthreaded hole, when relay electric-loss, then the back-moving spring by the fixed head end makes fixed head, connecting rod, the light barrier return, not only drive mechanism is simple to this shows this light casket, and wherein used relay, prices such as spring are all very low, so the good reliability of this smooth casket, cost is low.
Below with reference to accompanying drawing the utility model is described in detail.
Fig. 1 is a front view of the present utility model.
Fig. 2 is the left view of Fig. 1.
As Fig. 1, shown in Figure 2, housing 4 two sides of laser instrument Optic gate described in the utility model have the unthreaded hole 8 that passes through for laser beam, an end that is positioned at the light barrier 1 at housing 4 middle parts is installed on the housing wall, light barrier 1 can rotate around this mounting points, and after rotating, light barrier 1 can be with unthreaded hole 8 sealings, the middle part of light barrier 1 then links to each other by the end of connecting rod 7 with the fixed head 2 that is positioned at light barrier 1 below, the other end of fixed head 2 is installed on the support 6 through back-moving spring 5, relay 3 is positioned at the below of fixed head 2, when relay 3 when electric, relay 3 attracts fixed head 2, an end drivening rod 7 of coupler link 7 moves down simultaneously on the fixed head 2, the back-moving spring 5 that the other end of fixed head 2 then will be installed on the support 6 elongates, at this moment, connecting rod 7 drives light barrier 1 and rotates, with unthreaded hole 8 sealings, when relay 3 dead electricity, back-moving spring 5 retractions reset, make the end and the connecting rod 7 that link to each other with connecting rod 7 on the fixed head 2 simultaneously up, at this moment, connecting rod 7 promotes light barrier 1 and rotates, light barrier 1 is removed from unthreaded hole 8, because the operating distance of common relay is generally very little, be difficult to satisfy the requirement of light barrier 1 required displacement, therefore, in the utility model, the close light barrier of the tie point of light barrier 1 and connecting rod 7 is installed on the mounting points on the housing wall, and the distance between the mounting spring end is less than the distance that is connected on relay 3 and the fixed head 2 between the connecting-rod head on relay 3 and the fixed head 2, and like this, relay makes fixed head 2 do very short-range rotation end do rotation in a big way that just can drive light barrier 1 of moving.
Claims (3)
1, a kind of laser instrument Optic gate, comprise housing and the light barrier that is positioned at housing, housing is provided with the unthreaded hole that passes through for laser beam, it is characterized in that: an end of light barrier is installed on the housing wall, light barrier can rotate around this mounting points, and unthreaded hole can be sealed after the light barrier rotation, and the middle part of light barrier links to each other by the end of connecting rod with the fixed head that is positioned at the light barrier below, the other end of fixed head is installed on the support through back-moving spring, and the below of fixed head is provided with relay.
2, optical gate according to claim 1, Fu is characterised in that: the close light barrier of the tie point of light barrier and connecting rod is installed on the mounting points on the housing wall.
3, optical gate according to claim 1 and 2 is characterized in that: the distance between relay and the fixed head mounting spring end is less than the distance that is connected on relay and the fixed head between the connecting-rod head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00230861 CN2438139Y (en) | 2000-09-12 | 2000-09-12 | Optic gate for laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00230861 CN2438139Y (en) | 2000-09-12 | 2000-09-12 | Optic gate for laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2438139Y true CN2438139Y (en) | 2001-07-04 |
Family
ID=33593879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00230861 Expired - Fee Related CN2438139Y (en) | 2000-09-12 | 2000-09-12 | Optic gate for laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2438139Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1304870C (en) * | 2004-05-12 | 2007-03-14 | 中国第一汽车集团公司 | Optical gate protection circuit for light conducting system of laser processing equipment |
| CN100350267C (en) * | 2004-06-17 | 2007-11-21 | 中国科学院安徽光学精密机械研究所 | Laser light-path quick-blocking apparatus of vehicle-carried dirt-testing laser radar |
| CN101464207B (en) * | 2007-12-18 | 2012-11-21 | 深圳市大族激光科技股份有限公司 | Multi-station optical shutter test method |
-
2000
- 2000-09-12 CN CN 00230861 patent/CN2438139Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1304870C (en) * | 2004-05-12 | 2007-03-14 | 中国第一汽车集团公司 | Optical gate protection circuit for light conducting system of laser processing equipment |
| CN100350267C (en) * | 2004-06-17 | 2007-11-21 | 中国科学院安徽光学精密机械研究所 | Laser light-path quick-blocking apparatus of vehicle-carried dirt-testing laser radar |
| CN101464207B (en) * | 2007-12-18 | 2012-11-21 | 深圳市大族激光科技股份有限公司 | Multi-station optical shutter test method |
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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 |