CN202735890U - Non-contact induction stop device - Google Patents
Non-contact induction stop device Download PDFInfo
- Publication number
- CN202735890U CN202735890U CN 201220360724 CN201220360724U CN202735890U CN 202735890 U CN202735890 U CN 202735890U CN 201220360724 CN201220360724 CN 201220360724 CN 201220360724 U CN201220360724 U CN 201220360724U CN 202735890 U CN202735890 U CN 202735890U
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- Prior art keywords
- stop
- sleeve
- ring
- metallic gasket
- shaped magnet
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Abstract
The utility model discloses a non-contact induction stop device. The non-contact induction stop device comprises a stop mechanism arranged on a fixed support and an induction mechanism arranged on a movable working element, wherein the stop mechanism comprises a sleeve, a stopper arranged in the sleeve, and a first circular magnet, a first metal pad and a second metal pad which are successively sleeved on the stopper, the first circular magnet is connected with the first metal pad, a back side of the first metal pad is connected with a first spring, the induction mechanism comprises a metal stop head corresponding to the stopper and a second circular magnet sleeved at one end of the metal stop head, and faced ends of the second circular magnet and the first circular magnet have the same magnetic poles. When relative displacement of the metal stop head and the stop device occurs, according to a principle that like poles of the two circular magnets repel each other, so the first metal pad is driven to move back and contact with the second metal pad, and an alarm signal is emitted, and thereby a collision fault is avoided.
Description
Technical field
It is spacing that the utility model relates to induction, more particularly, relates to a kind of non-contact inductive stop means.
Background technology
In present position limiting structure, be generally that non-contact inductive is spacing, the contact plait is spacing etc., comparatively speaking, the spacing reason owing to frequent contact of plait contact, serviceable life is shorter, has comparatively speaking long and result of use preferably and contactless induction is spacing.Usually, have between the operation element and relatively move, for the plait formula is spacing, can obtain the alleviation of certain surplus, but, the spacing of induction type is more fatal for this phenomenon, the fault of spacing mechanical collision can occur when relative displacement occurs, and causes quitting work of spacing damage so that operation element.Figure 1 shows that the normal operating conditions of induction type spacing 1 and tablet 2, Figure 2 shows that when operation element 3 is subjected to displacement the malfunction between induction type spacing 1 and the tablet 2.
The utility model content
For the above-mentioned shortcoming that exists in the prior art, the purpose of this utility model provides a kind of non-contact inductive stop means, can when skew or unbalance loading occur operation element, automatically regulate distance of reaction, when the early warning position, send early warning signal, forced brake when extreme position.
For achieving the above object, the utility model adopts following technical scheme:
This non-contact inductive stop means comprises the position-limit mechanism of being located on the fixed support and the induction mechanism of being located on the active operation element, described position-limit mechanism comprises sleeve, be located at stop in the sleeve, be sheathed on the first ring-shaped magnet, the first metallic gasket and the second metallic gasket on the stop successively, the first ring-shaped magnet links to each other with the first metallic gasket, and the first metallic gasket rear side also is connected with the first spring; Described induction mechanism comprises the metal stopper corresponding with stop, is sheathed on the second ring-shaped magnet of metal stopper one end, and the second ring-shaped magnet is identical with the opposite end magnetic pole of the first ring-shaped magnet.
Described position-limit mechanism also comprises the metal sleeve that is sheathed on the stop and is positioned at sleeve, the endoporus aperture of described the second metallic gasket is greater than the external diameter of metal sleeve, and the second metallic gasket rear side also is connected with the second spring, and the endoporus aperture of described the first metallic gasket is less than the external diameter of metal sleeve.
Described sleeve one end also is provided with the perforate end cap, and end cap perforate internal diameter is less than the external diameter of the first ring-shaped magnet.
Described end cap links to each other with sleeve by screw thread.
In technique scheme, non-contact inductive stop means of the present utility model comprises the position-limit mechanism of being located on the fixed support and the induction mechanism of being located on the active operation element, described position-limit mechanism comprises sleeve, be located at stop in the sleeve, be sheathed on the first ring-shaped magnet, the first metallic gasket and the second metallic gasket on the stop successively, the first ring-shaped magnet links to each other with the first metallic gasket, and the first metallic gasket rear side also is connected with the first spring; Described induction mechanism comprises the metal stopper corresponding with stop, is sheathed on the second ring-shaped magnet of metal stopper one end, and the second ring-shaped magnet is identical with the opposite end magnetic pole of the first ring-shaped magnet.When metal stopper and stop means generation relative displacement, by the principle of two ring-shaped magnet two like magnetic poles repel each others, move and touch mutually with the second metallic gasket after ordering about the first metallic gasket, can send alerting signal, thereby avoid occuring to bump against fault.
Description of drawings
Fig. 1 is the spacing normal operating conditions schematic diagram with tablet of the induction type of prior art;
Fig. 2 be prior art make the malfunction that occurs between the spacing and tablet of induction type because of the operation element displacement;
Fig. 3 is the structural representation of non-contact inductive stop means of the present utility model;
Fig. 4 is the alert status schematic diagram of stop means of the present utility model;
Fig. 5 is the forced brake view of stop means of the present utility model.
Embodiment
Further specify the technical solution of the utility model below in conjunction with drawings and Examples.
Please in conjunction with shown in Figure 3, non-contact inductive stop means of the present utility model comprises the position-limit mechanism of being located on the fixed support 4 and the induction mechanism of being located on the movable operation element 3, described position-limit mechanism comprises sleeve 5, be located at stop 6 in the sleeve 5, be sheathed on the first ring-shaped magnet 7, the first metallic gasket 8 and the second metallic gasket 9 on the stop 6 successively, the first ring-shaped magnet 7 links to each other with the first metallic gasket 8, and the first metallic gasket 8 rear sides also are connected with the first spring 10, the first springs 10 other ends and are fixed on the fixed support 4; The second ring-shaped magnet 12, the second ring-shaped magnets 12 that described induction mechanism comprises the metal stopper 11 corresponding with stop 6, be sheathed on metal stopper 11 1 ends are identical with the opposite end magnetic pole of the first ring-shaped magnet 7.
As an embodiment, described position-limit mechanism also comprises the metal sleeve 13 that is sheathed on the stop 6 and is positioned at sleeve 5, the endoporus aperture of described the second metallic gasket 9 is greater than the external diameter of metal sleeve 13, and the second metallic gasket 9 rear sides also are connected with the second spring 14, the other end of the second spring 14 also is fixed on the fixed support 4, and the endoporus aperture of described the first metallic gasket 8 is less than the external diameter of metal sleeve 13.
In addition, described sleeve 5 one ends also are provided with perforate end cap 15, and end cap 15 perforate internal diameters are less than the external diameter of the first ring-shaped magnet 7, and described end cap 15 links to each other with sleeve 5 by screw thread.So not only can limit the outside movement of each parts in the sleeve 5, nor affect the work of stop 6 and the first ring-shaped magnet 7.
Please in conjunction with Fig. 4, shown in Figure 5, the principle of work of stop means of the present utility model is as follows:
In when normal operation, the distance between metal stopper 11 and the stop 6 and is sent working signal as shown in Figure 3.And be subjected to displacement and when causing between metal stopper 11 and the stop 6 relative displacement occurs when operation element, because distance shortens between the first ring-shaped magnet 7 and the second ring-shaped magnet 12, under the repulsive force effect of " two like magnetic poles repel each other ", it is mobile and compress the first spring 10 backward that the first ring-shaped magnet 7 drives the first metallic gasket 8, until contact with the second metallic gasket 9, send early warning signal.If when continuing relative displacement between metal stopper 11 and the stop 6 or instantaneous large displacement bias occuring, the first metallic gasket 8 further promotes two metallic gaskets and moves on the metal sleeve 13, the first metallic gasket 8 contacts with metal sleeve 13 simultaneously, thereby send the forced brake signal, damage to avoid stop 6 collisions.
Those of ordinary skill in the art will be appreciated that, above embodiment illustrates the utility model, and be not to be used as restriction of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.
Claims (4)
1. non-contact inductive stop means comprises the position-limit mechanism of being located on the fixed support and is located at induction mechanism on the active operation element, it is characterized in that:
Described position-limit mechanism comprises sleeve, be located at stop in the sleeve, be sheathed on the first ring-shaped magnet, the first metallic gasket and the second metallic gasket on the stop successively, the first ring-shaped magnet links to each other with the first metallic gasket, and the first metallic gasket rear side also is connected with the first spring; Described induction mechanism comprises the metal stopper corresponding with stop, is sheathed on the second ring-shaped magnet of metal stopper one end, and the second ring-shaped magnet is identical with the opposite end magnetic pole of the first ring-shaped magnet.
2. non-contact inductive stop means as claimed in claim 1 is characterized in that:
Described position-limit mechanism also comprises the metal sleeve that is sheathed on the stop and is positioned at sleeve, the endoporus aperture of described the second metallic gasket is greater than the external diameter of metal sleeve, and the second metallic gasket rear side also is connected with the second spring, and the endoporus aperture of described the first metallic gasket is less than the external diameter of metal sleeve.
3. non-contact inductive stop means as claimed in claim 1 is characterized in that:
Described sleeve one end also is provided with the perforate end cap, and end cap perforate internal diameter is less than the external diameter of the first ring-shaped magnet.
4. non-contact inductive stop means as claimed in claim 3 is characterized in that:
Described end cap links to each other with sleeve by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220360724 CN202735890U (en) | 2012-07-24 | 2012-07-24 | Non-contact induction stop device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220360724 CN202735890U (en) | 2012-07-24 | 2012-07-24 | Non-contact induction stop device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202735890U true CN202735890U (en) | 2013-02-13 |
Family
ID=47661573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220360724 Expired - Fee Related CN202735890U (en) | 2012-07-24 | 2012-07-24 | Non-contact induction stop device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202735890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703106A (en) * | 2015-07-27 | 2017-05-24 | 徐工集团工程机械股份有限公司 | Bucket limiting device and engineering machine |
-
2012
- 2012-07-24 CN CN 201220360724 patent/CN202735890U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703106A (en) * | 2015-07-27 | 2017-05-24 | 徐工集团工程机械股份有限公司 | Bucket limiting device and engineering machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20160724 |