CN211954022U - Magnetic grid zero position switch - Google Patents
Magnetic grid zero position switch Download PDFInfo
- Publication number
- CN211954022U CN211954022U CN202021068883.7U CN202021068883U CN211954022U CN 211954022 U CN211954022 U CN 211954022U CN 202021068883 U CN202021068883 U CN 202021068883U CN 211954022 U CN211954022 U CN 211954022U
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- magnetic grid
- groove
- magnetic
- overcoat
- sealing strip
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Abstract
The utility model provides a magnetic grid zero-position switch, includes overcoat and magnetic grid chi, the mounting groove has been seted up on the overcoat, the magnetic grid chi is installed in the mounting groove, a plurality of stainless steel cover pieces of double faced adhesive tape fixedly connected with are passed through to magnetic grid chi upper surface, fixed end is all installed at the both ends of overcoat. The utility model overcomes prior art's is not enough, pastes the stainless steel cover piece through the arbitrary position that needs read out zero-bit signal on magnetic grid chi surface, shields the magnetic field of magnetic grid chi through the stainless steel cover piece, makes the magnetic field of zero-bit part just have the difference with other part to just can read out the zero-bit pulse through specific read head.
Description
Technical Field
The utility model relates to a magnetic grid chi technical field, concretely relates to magnetic grid zero-position switch.
Background
At present, the magnetic grid has wide application in the fields of machine tool industry, woodworking machinery, marble cutting and the like due to the unique characteristics of non-contact working, oil resistance, stain resistance and the like. The open type magnetic grid ruler has a high occupancy rate in domestic and foreign markets due to reliable precision, convenient installation and low price. The working mode of the open type magnetic grid ruler is that the magnetic head does non-contact linear motion on the surface of the magnetic ruler, magnetic signals on the surface of the magnetic ruler are collected through the magnetic head, and then electric signals are output, so that the purpose of measuring the length is achieved.
When the existing magnetic grid ruler needs zero position, the position and the number are generally determined when the magnetic grid ruler leaves a factory, and then the zero position of the magnetic grid ruler is subjected to a specific magnetization process, so that the magnetic field of the zero position part is different from that of other places, and a zero position signal can be read by using a specific read head; this also prevents the user from being able to adjust to the actual situation at the site.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a magnetic grid zero-bit switch has overcome the not enough of prior art, reasonable in design pastes the stainless steel cover piece through the position that needs read out zero-bit signal wantonly on magnetic grid chi surface, shields the magnetic field of magnetic grid chi through the stainless steel cover piece, makes the magnetic field of zero-bit part just have the difference with other part to just can read out zero-bit pulse through specific magnetic head.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the utility model provides a magnetic grid zero-position switch, includes overcoat and magnetic grid chi, the mounting groove has been seted up on the overcoat, the magnetic grid chi is installed in the mounting groove, a plurality of stainless steel cover pieces of double faced adhesive tape fixedly connected with are passed through to magnetic grid chi upper surface, fixed end is all installed at the both ends of overcoat.
Preferably, a limiting strip is fixedly mounted in the middle of the lower surface of the mounting groove, a limiting groove is formed in the middle of the lower surface of the magnetic grid ruler, and the magnetic grid ruler is movably connected to the outer surface of the limiting strip through the limiting groove.
Preferably, the cross-section of the limiting strip is in an inverted cone shape, and the corners of the limiting strip are in arc transition.
Preferably, still include the dust guard, the equal fixedly connected with sealing strip in dust guard both sides, the seal groove has all been seted up on mounting groove both sides surface, sealing strip and seal groove phase-match.
Preferably, the cross-section of sealing strip is the triangle-shaped, and the sealing strip edge adopts the circular arc transition, the sealing groove below is provided with the support bar, the sealing strip lower surface contacts with the support bar upper surface.
Preferably, the dust guard is in the shape of an arc plate protruding outwards.
Preferably, the fixed end internal surface both sides equal fixedly connected with buckle, overcoat both ends surface all is provided with the draw-in groove, the overcoat all passes through the buckle joint in the draw-in groove.
Preferably, bosses are arranged on the lower surfaces of the two ends of the outer sleeve, grooves are formed below the inner surfaces of the two fixing end heads, and the bosses are matched with the grooves.
The utility model provides a magnetic grid zero-position switch. The method has the following beneficial effects: the stainless steel cover sheet is adhered to any position on the surface of the magnetic grid ruler, where the zero position signal needs to be read, and the magnetic field of the magnetic grid ruler is shielded through the stainless steel cover sheet, so that the magnetic field of a zero position part is different from other parts, and the zero position pulse can be read through a specific read head; and because the stainless steel cover sheet accessible double faced adhesive tape directly glues on the magnetic grid chi surface, and magnetic grid chi swing joint is in the mounting groove of overcoat to for the user, can confirm whether need the zero position according to actual need, and the position and the quantity of zero position, convenient and fast.
Drawings
In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings used in the description of the prior art will be briefly described below.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a partial structure of the end of the outer sleeve of the present invention;
FIG. 3 is an assembly view of the outer cover and the stainless steel cover sheet of the present invention;
the reference numbers in the figures illustrate:
1. a jacket; 2. a magnetic grid ruler; 3. mounting grooves; 4. a stainless steel cover sheet; 5. fixing the end head; 6. a limiting strip; 7. a limiting groove; 8. a dust-proof plate; 9. a sealing strip; 10. a sealing groove; 11. a supporting strip; 12. buckling; 13. a card slot; 14. a boss; 15. and (4) a groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention will be combined below to clearly and completely describe the technical solutions of the present invention.
In the first embodiment, as shown in fig. 1 to 3, a magnetic grid zero position switch includes an outer sleeve 1 and a magnetic grid ruler 2, wherein the outer sleeve 1 is provided with an installation groove 3, the magnetic grid ruler 2 is installed in the installation groove 3, the upper surface of the magnetic grid ruler 2 is fixedly connected with a plurality of stainless steel cover sheets 4 through a double-faced adhesive tape, and fixing end heads 5 are installed at both ends of the outer sleeve 1.
In the embodiment, the stainless steel cover sheet 4 is adhered to any position on the surface of the magnetic grid ruler 2 where the zero position signal needs to be read, and the magnetic field of the magnetic grid ruler 2 is shielded by the stainless steel cover sheet 4, so that the magnetic field of the zero position part is different from other parts, and the zero position pulse can be read by a specific read head; in this embodiment, because stainless steel cover sheet 4 accessible double faced adhesive tape directly adheres at magnetic grid chi 2 surface, and magnetic grid chi 2 swing joint is in the mounting groove of overcoat 1 to the user, can confirm whether to want the zero bit according to actual need, and the position and the quantity of zero bit, convenient and fast.
Embodiment two, based on the further improvement to embodiment one, fixed mounting has spacing 6 in the middle of the 3 lower surfaces of mounting groove, has seted up spacing groove 7 in the middle of the 2 lower surfaces of magnetic grid chi, and magnetic grid chi 2 passes through spacing groove 7 swing joint at 6 external surfaces of spacing. Therefore, when the magnetic grid ruler 2 is installed, the magnetic grid ruler 2 can be inserted into the installation groove 3 from one end of the outer sleeve 1, the limiting groove 7 on the lower surface of the magnetic grid ruler 2 is clamped with the limiting strip 6, and in the embodiment, the position of the magnetic grid ruler 2 in the installation groove 3 can be limited through the limiting strip 6 because the cross section of the limiting strip 6 is in an inverted cone shape, so that the magnetic grid ruler 2 is prevented from shaking in the installation groove 3 to cause abrasion; the edge of the limiting strip 6 adopts arc transition to prevent scratching when the magnetic grid ruler 2 is installed.
Third, based on the further improvement to first embodiment, still include dust guard 8, the equal fixedly connected with sealing strip 9 in dust guard 8 both sides, seal groove 10 has all been seted up to 3 both sides surfaces of mounting groove, and sealing strip 9 and seal groove 10 phase-matchs. Thereby when the assembly, can insert the sealing strip 9 of 8 both sides of dust guard in the seal groove 10 of the 3 both sides of mounting groove to can effectively block in dust, greasy dirt enter into mounting groove 3, lead to magnetic grid chi 2's life to reduce.
In the fourth embodiment, based on the further improvement of the third embodiment, the cross section of the sealing strip 9 is set to be triangular, the edge of the sealing strip 9 is in arc transition, a supporting strip 11 is arranged below the sealing groove 10, and the lower surface of the sealing strip 9 is in contact with the upper surface of the supporting strip 11. Through the sealing strip 9 of triangle-shaped, make its joint that can be stable in seal groove 10 to both play the supporting role to sealing strip 9 and dust guard 8 through support bar 11, also play further sealed effect to the both sides of mounting groove 3 simultaneously.
In the fifth embodiment, based on a further improvement of the third embodiment, the dust-proof plate 8 may be an arc-shaped plate which protrudes outward; thereby guaranteeing the stability of the dust guard 8 when in use to prevent the dust guard from deforming towards the inner side of the mounting groove 3.
Sixth embodiment, based on the further improvement to first embodiment, 5 internal surface both sides of fixed end are the equal fixedly connected with buckle 12, and 1 both ends surface of overcoat all is provided with draw-in groove 13, and overcoat 1 all passes through buckle 12 joint in draw-in groove 13. Carry on spacingly through fixed end 5 to the both ends of overcoat 1 to prevent magnetic grid chi 2 from the roll-off in the mounting groove 3, and fixed end 5 passes through 12 joints of buckle in the draw-in groove 13 at overcoat 1 both ends, thereby can realize the quick installation and the dismantlement work of fixed end 5, make the user can take out magnetic grid chi 2 at any time according to actual need in order to change the position and the quantity of its zero-bit.
In this embodiment, the both ends lower surface of overcoat 1 all is provided with boss 14, and recess 15 has all been seted up to the internal surface below of two fixed ends 5, and boss 14 and recess 15 phase-match. Thereby improving the stability of connection between the two ends of the outer sleeve 1 and the fixed end heads 5 and simultaneously improving the sealing effect of the lower surface of the outer sleeve 1.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. A magnetic grid zero position switch is characterized in that: including overcoat (1) and magnetic grid chi (2), mounting groove (3) have been seted up on overcoat (1), install in mounting groove (3) magnetic grid chi (2), a plurality of stainless steel cover pieces (4) of double faced adhesive tape fixedly connected with are passed through to magnetic grid chi (2) upper surface, fixed end (5) are all installed at the both ends of overcoat (1).
2. The magnetic grid null switch of claim 1, wherein: fixed mounting has spacing (6) in the middle of mounting groove (3) lower surface, spacing groove (7) have been seted up in the middle of magnetic grid chi (2) lower surface, magnetic grid chi (2) are through spacing groove (7) swing joint at spacing (6) surface.
3. The magnetic grid null switch of claim 2, wherein: the cross-section of spacing (6) is the back taper, just the edge of spacing (6) adopts the circular arc transition.
4. The magnetic grid null switch of claim 1, wherein: still include dust guard (8), the equal fixedly connected with sealing strip (9) in dust guard (8) both sides, seal groove (10) have all been seted up on mounting groove (3) both sides surface, sealing strip (9) and seal groove (10) phase-match.
5. The magnetic grid null switch of claim 4, wherein: the cross-section of sealing strip (9) is the triangle-shaped form, and sealing strip (9) edge adopts the circular arc transition, sealing groove (10) below is provided with support bar (11), sealing strip (9) lower surface contacts with support bar (11) upper surface.
6. The magnetic grid null switch of claim 4, wherein: the dust guard (8) is in the shape of an arc plate protruding outwards.
7. The magnetic grid null switch of claim 1, wherein: the fixing end is characterized in that the two sides of the inner surface of the fixing end head (5) are fixedly connected with buckles (12), the surfaces of the two ends of the outer sleeve (1) are provided with clamping grooves (13), and the outer sleeve (1) is clamped in the clamping grooves (13) through the buckles (12).
8. The zeroing switch of claim 7, wherein: bosses (14) are arranged on the lower surfaces of the two ends of the outer sleeve (1), grooves (15) are formed below the inner surfaces of the two fixing end heads (5), and the bosses (14) are matched with the grooves (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021068883.7U CN211954022U (en) | 2020-06-11 | 2020-06-11 | Magnetic grid zero position switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021068883.7U CN211954022U (en) | 2020-06-11 | 2020-06-11 | Magnetic grid zero position switch |
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| Publication Number | Publication Date |
|---|---|
| CN211954022U true CN211954022U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021068883.7U Active CN211954022U (en) | 2020-06-11 | 2020-06-11 | Magnetic grid zero position switch |
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| CN (1) | CN211954022U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112525055A (en) * | 2020-11-27 | 2021-03-19 | 厦门微控科技有限公司 | Linear displacement measuring system based on magnetic grid ruler and using method thereof |
| CN113048873A (en) * | 2021-03-11 | 2021-06-29 | 安徽省（水利部淮河水利委员会）水利科学研究院（安徽省水利工程质量检测中心站） | Assembled is anti-arch testing arrangement for prefabricated component |
-
2020
- 2020-06-11 CN CN202021068883.7U patent/CN211954022U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112525055A (en) * | 2020-11-27 | 2021-03-19 | 厦门微控科技有限公司 | Linear displacement measuring system based on magnetic grid ruler and using method thereof |
| CN113048873A (en) * | 2021-03-11 | 2021-06-29 | 安徽省（水利部淮河水利委员会）水利科学研究院（安徽省水利工程质量检测中心站） | Assembled is anti-arch testing arrangement for prefabricated component |
| CN113048873B (en) * | 2021-03-11 | 2023-08-01 | 安徽省（水利部淮河水利委员会）水利科学研究院（安徽省水利工程质量检测中心站） | Reverse arch testing device for assembled prefabricated part |
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