CN204228196U - Position and speed detecting device - Google Patents
Position and speed detecting device Download PDFInfo
- Publication number
- CN204228196U CN204228196U CN201420599500.7U CN201420599500U CN204228196U CN 204228196 U CN204228196 U CN 204228196U CN 201420599500 U CN201420599500 U CN 201420599500U CN 204228196 U CN204228196 U CN 204228196U
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- type ring
- accommodating groove
- detecting device
- jut
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Abstract
The utility model provides a kind of position and speed detecting device.A kind of position and speed detecting device that can prevent from being temporarily accommodated in the O type ring in O type ring accommodating groove and come off in assembling procedure.Position and speed detecting device of the present utility model comprises: housing, and it is for supporting electronic part; And cover, it is installed on housing in the mode of overlay electronic part.O type ring accommodating groove for receiving the ring-type of O type ring be formed at cover with the surface of contact (bottom surface) of body contact, the jut that wall portion is outstanding toward the outside of the inner wall part in the radial direction of O type ring accommodating groove is formed at O type ring accommodating groove.Further, the O type ring be accommodated in O type ring accommodating groove is clamped between jut and outside wall portions.
Description
Technical field
The utility model relates to a kind of position and speed detecting device with dust-proof Antidripping structure based on O type ring.
Background technology
In the field of industrial machinery, use various scrambler as the sensor for detecting motor or the position of driven equipment that driven by motor.Especially, in order to rotation motor or being detected by the angle position of rotary body of being driven by rotation motor, extensively optical encoders, angle sensors is adopted.Because optical encoders, angle sensors is built-in with various optical element, electronic circuit etc., therefore, when the foreign matter such as dust, oil droplet enters into the inside of optical encoders, angle sensors, the unfavorable conditions such as the misoperation of accuracy of detection reduction or electronic circuit may be caused.Thus, optical encoders, angle sensors needs to have higher dust-proof antidrip performance.
Usually, optical encoders, angle sensors has the structure utilizing housing and cover to seal optical element and electronic circuit etc., improves dust-proof antidrip performance by the surface of contact between housing and cover arranges O type ring.Related to this, in JP-A-8-88045, disclose a kind of seal construction being directly installed on the housing of the electric connector of electric equipment.In the electric connector described in JP-A-8-88045, improve dust-proof antidrip performance by being accommodated in by O type ring in accommodating groove that the surface of contact between electric connector and electric equipment formed.In addition, in the electric connector described in JP-A-8-88045, by arranging jut at the inner wall part of accommodating groove and arranging notch part in outside wall portions, thus clamp at the abutting part of the leading section of jut and the both sides of notch part the O type ring be incorporated in accommodating groove.
In addition, in the seal construction of optical encoders, angle sensors, the accommodating groove size of O type ring can be set as the internal diameter of the internal diameter of accommodating groove slightly larger than the O type ring of reality.Thereby, it is possible to be accommodated in accommodating groove by O type ring with the state stretched, therefore, O type ring presses and is fixed on the wall portion of accommodating groove under the effect of elastic restoring force.But in the fixing means of elastic restoring force mainly utilizing O type ring, the confining force acting on O type ring may not be abundant, therefore, in the assembling procedure of scrambler, O type ring comes off from accommodating groove sometimes.Therefore, be difficult to assembling in the operation of robotization and there is the scrambler of the dust-proof Antidripping structure based on O type ring.
Require a kind of position and speed detecting device that can prevent from being temporarily accommodated in the O type ring in O type ring accommodating groove and come off in assembling procedure.
Utility model content
1st technical scheme of the application provides a kind of position and speed detecting device, and it comprises: electronic component, and it is for generation of the electric signal corresponding with the angle position of turning axle; Housing, it is for supporting electronic part; And cover, it is installed on housing in the mode covering above-mentioned electronic component, it is characterized in that, accommodating groove for the ring-type of receiving O type ring is formed at housing and the surface of contact contacted with another one of any one in cover, any wall portion in inner wall part in the radial direction of accommodating groove and outside wall portions is formed at accommodating groove towards the jut that another wall portion is outstanding, and the O type ring be accommodated in accommodating groove is clamped between jut and another wall portion.
2nd technical scheme of the application provides a kind of position and speed detecting device on the basis of the 1st technical scheme, it is characterized in that, between the part that the radial direction of accommodating groove is separated with jut of the leading section that the O type ring be accommodated in accommodating groove is clamped in jut and another wall portion.
3rd technical scheme of the application provides a kind of position and speed detecting device on the basis of the 1st technical scheme or the 2nd technical scheme, and it is characterized in that, jut contacts with O type ring on round and smooth outside surface.
The basis of the 4th technical scheme arbitrary technical scheme in the 1st technical scheme ~ the 3rd technical scheme of the application provides a kind of position and speed detecting device, it is characterized in that, between the leading section of jut and another wall portion, distance in the radial direction of accommodating groove is less than the wire diameter of O type ring.
The basis of the arbitrary technical scheme of the 5th technical scheme in the 1st technical scheme ~ the 4th technical scheme of the application provides a kind of position and speed detecting device, and it is characterized in that, multiple jut equally spaced arranges along the complete cycle of a wall portion.
The basis of the arbitrary technical scheme of the 6th technical scheme in the 1st technical scheme ~ the 5th technical scheme of the application provides a kind of position and speed detecting device, and it is characterized in that, the internal diameter of accommodating groove is greater than the internal diameter of O type ring.
the effect of utility model
Adopt the 1st technical scheme, in the O type ring accommodating groove of the cover or housing that are formed at position and speed detecting device, O type ring is clamped between jut and another wall portion, therefore, it is possible to prevent the O type ring be temporarily accommodated in O type ring accommodating groove from coming off in the assembling procedure of position speed detector.Thus, assembling position speed detector in the assembling procedure of robotization is easy to.
Adopt the 2nd technical scheme, because the contact area between another wall portion of accommodating groove and O type ring becomes greatly, therefore, it is possible to be stably fixed in accommodating groove by O type ring.
Adopt the 3rd technical scheme, because the contact area between jut and O type ring becomes greatly, therefore, it is possible to be stably fixed in accommodating groove by O type ring.
Adopt the 4th technical scheme, O type ring is to be clamped between jut and another wall portion by the state compressed.Its result, O type ring presses on jut and another both wall portion under the effect of elastic restoring force, therefore, it is possible to be stably fixed in accommodating groove by O type ring.
Adopt the 5th technical scheme, the holding force produced by multiple jut acts on equably on the complete cycle of O type ring, therefore, it is possible to be stably fixed in accommodating groove by O type ring.
Adopt the 6th technical scheme, O type ring is accommodated in accommodating groove with the state stretched.Its result, O type ring presses on the inner wall part of accommodating groove under the effect of elastic restoring force, therefore, it is possible to be stably fixed in accommodating groove by O type ring.
Foregoing of the present utility model or other objects, feature and advantage can be clear and definite further by referring to the detailed description of illustrative embodiment of the present utility model shown in the drawings.
Accompanying drawing explanation
Fig. 1 is the cut-open view of the position and speed detecting device of an embodiment of the present utility model.
Fig. 2 is the partial enlarged drawing of the part shown in arrow II of Fig. 1.
Fig. 3 is the upward view of an example of the cover of the position and speed detecting device representing present embodiment.
Fig. 4 is the upward view of another example of the cover of the position and speed detecting device representing present embodiment.
Fig. 5 represents the upward view being accommodated with the cover of the state of O type ring in the O type ring accommodating groove of the cover of Fig. 3.
Fig. 6 is the figure that the O type ring of position and speed detecting device for describing present embodiment in detail is clamped in the state between the jut of O type ring accommodating groove and outside wall portions.
Embodiment
Below, embodiment of the present utility model is described in detail with reference to accompanying drawing.In the drawings, identical Reference numeral has been marked to identical inscape.In addition, following record is also not used in the scope of the technology being limited to the utility model recorded in claims of utility model mandate, the implication etc. of term.
The position and speed detecting device of an embodiment of the present utility model is described with reference to Fig. 1 ~ Fig. 5.The position and speed detecting device of present embodiment is that the angle position of the turning axle for being connected by the driven member with determination object converts digital signal to and the optical encoders, angle sensors exported.Fig. 1 is the cut-open view of position and speed detecting device 1 of the plane of the rotation R of turning axle 11 along the illustrative position and speed detecting device 1 through present embodiment.
As shown in Figure 1, the position and speed detecting device 1 of present embodiment comprises: turning axle 11, and itself and motor or the driven member (not shown) being driven by motor and rotate are connected; Discoid rotating disk 12, an end of itself and turning axle 11 is connected; And the 1st electronic component 13a and the 2nd electronic component 13b, the 1st electronic component 13a cooperates with the 2nd electronic component 13b phase and produces the electric signal corresponding with the angle position of turning axle 11.1st electronic component 13a has the light-emitting component 13a1 such as red LED (Light Emitting Diode: light emitting diode) or infrared LED, and the 2nd electronic component 13b has the light receiving element such as photodiode or phototransistor 13b1.2nd electronic component 13b is connected with the circuit network of circuit substrate 14.
In the example in fig 1, the light-emitting component 13a1 of the 1st electronic component 13a launches the light almost parallel with the rotation R of rotating disk 12 towards rotating disk 12.Rotating disk 12 has the multiple slits arranged along the circumferencial direction around rotation R, thus can with the angle position around rotation R accordingly light through or not between switch.That is, the light that self-emission device 13a1 injects rotating disk 12 is converted into the light pulse with the LO-pattern corresponding with the angle position of rotating disk 12.Then, the light receiving element 13b1 of the 2nd electronic component 13b will convert electric signal to by the light pulse after rotating disk 12 and be exported.The angle position of rotating disk 12 and turning axle 11 and rotational speed etc. are detected according to the electric signal so exported.
In addition, the position and speed detecting device 1 of present embodiment comprises: housing 15, and it is for supporting the 1st electronic component 13a and the 2nd electronic component 13b; And cover 16, it is installed on housing 15 in the mode covering the 1st electronic component 13a and the 2nd electronic component 13b.In the example in fig 1, housing 15 is formed as discoid on the whole, and cover 16 is formed as the cylindrical shape of a dead end.Below, the housing 15 of the position and speed detecting device 1 of present embodiment is described in detail.
In the example in fig 1, housing 15 has the mounting recess 15a of the size and dimension corresponding with the 1st electronic component 13a.1st electronic component 13a is embedded in mounting recess 15a and is directly supported on housing 15.In addition, housing 15 has the through hole 15b of the size corresponding with the bearing 17 of turning axle 11.Bearing 17 for axle supporting rotating shaft 11 embeds through hole 15b, thus turning axle 11 and rotating disk 12 is supported as rotating around rotation R.In addition, housing 15 has the supporting member 15c of the multiple columns erectting the position be in the outer part arranged in the radial direction of rotating disk 12.Above-mentioned supporting member 15c is utilized to support the 2nd electronic component 13b being installed on circuit substrate 14 for relative with the 1st electronic component 13a across rotating disk 12.
Then, the cover 16 of the position and speed detecting device 1 of present embodiment is described in detail.In the example in fig 1, cover 16 and there is roughly cylindric surrounding wall portion 16a and by the upper wall portions 16b of the dead end in the short transverse of surrounding wall portion 16a.Further, cover 16 contact with housing 15 at the bottom surface 16c of surrounding wall portion 16a and be installed on housing 15.In addition, the bottom surface 16c of surrounding wall portion 16a refers to the end face of that side contrary with upper wall portions 16b in the short transverse of surrounding wall portion 16a.
Fig. 2 be the bottom surface 16c of the part shown in arrow II, the i.e. magnification cover 16 of Fig. 1 vicinity and represent partial enlarged drawing.From Fig. 1 and Fig. 2, the surface of contact contacted with housing 15 of the bottom surface 16c of cover 16, i.e. cover 16 is formed with the O type ring accommodating groove 16d for receiving O type ring 18.More specifically, in the example of Fig. 1 and Fig. 2, the bottom surface 16c of cover 16 is formed with the O type ring accommodating groove 16d of the ring-type that the circumferencial direction along surrounding wall portion 16a extends.In the following description, when simply referred to as " radial direction ", refer to the radial direction (that is, the left and right directions of Fig. 1 and Fig. 2) of O type ring accommodating groove 16d.As shown in Figure 2, the O type ring accommodating groove 16d of this example has the rectangular-shaped cross section formed by the outside wall portions 16d2 of the inner wall part 16d1 of the position be in the inner part positioned in radial direction, the position be in the outer part positioned in radial direction and the bottom wall part 16d3 relative with housing 15.
Herein, the O type ring 18 of the position and speed detecting device 1 of present embodiment is the seal of the ring-type in the cross section with O shape (circle), by moderately compressing in the O type ring accommodating groove 16d that O type ring 18 is accommodated in the ring-type of cover 16, prevent dust, fluid etc. from entering into the inside of position and speed detecting device 1.That is, by O type ring 18 being configured at surface of contact between housing 15 and cover 16 and the dust-proof Antidripping structure of forming position speed detector 1.O type ring 18 can be formed by the suitable material corresponding with the environment for use of position and speed detecting device 1.Such as, O type ring 18 can be formed by elastomeric materials such as nitrile rubber, styrene rubber, organic silicon rubber and fluororubber.In addition, O type ring 18 also can be formed by metal material or resin material.
Fig. 3 is the upward view of the cover 16 of the position and speed detecting device 1 only representing Fig. 1.Conveniently, in figure 3, the O type ring 18 that should be accommodated in O type ring accommodating groove 16d is eliminated.In the present embodiment, size, such as internal diameter d and the well width w etc. of O type ring accommodating groove 16d suitably can set accordingly with the size of used O type ring 18.Such as, the internal diameter of comparable the used O type ring 18 of the internal diameter d of O type ring accommodating groove 16d is bigger.Thereby, it is possible to O type ring 18 is accommodated in O type ring accommodating groove 16d with the state slightly stretched.
As shown in Figure 3, the O type ring accommodating groove 16d of the cover 16 of the position and speed detecting device 1 of present embodiment is formed with at least one jut 16e that at least one wall portion in inner wall part 16d1 and outside wall portions 16d2 is given prominence to towards another wall portion.In the example in figure 3, be formed from inner wall part 1,6d1 8 jut 16e that wall portion 16d2 is outstanding toward the outside at inner wall part 16d1.But, also can be that above-mentioned jut 16e is not formed at inner wall part 16d1, but is formed at outside wall portions 16d2.In the same manner as Fig. 3, Fig. 4 is also upward view, shows another example of the cover 16 of the position and speed detecting device 1 of present embodiment.In the example in fig. 4,8 the jut 16e given prominence to towards inner wall part 16d1 from outside wall portions 16d2 are formed at outside wall portions 16d2.In the example of Fig. 3 and Fig. 4,8 jut 16e equally spaced arrange along the complete cycle of O type ring accommodating groove 16d.In the position and speed detecting device 1 of present embodiment, above-mentioned jut 16e has the function of stably being fixed by the O type ring 18 be accommodated in O type ring accommodating groove 16d.Below, this function is described in detail.
Fig. 5 represents the upward view being accommodated with the cover 16 of the state of O type ring 18 in the O type ring accommodating groove 16d of the cover of Fig. 3.As shown in Figure 5, the O type ring 18 be accommodated in O type ring accommodating groove 16d can be clamped between the part of separating with jut 16e diametrically of each jut 16e and outside wall portions 16d2.Thus, the contact area contacted with O type ring 18 in outside wall portions 16d2 is become greatly, therefore, it is possible to be stably fixed on by O type ring 18 in O type ring accommodating groove 16d.In addition, jut 16e can have the round and smooth outside surface that wall portion 16d2 toward the outside heaves.In the example of fig. 5, jut 16e has the outside surface of the arc-shaped that wall portion 16d2 toward the outside heaves.Thus, the contact area contacted with O type ring 18 in jut 16e is become greatly, therefore, it is possible to be stably fixed on by O type ring 18 in O type ring accommodating groove 16d.
Fig. 6 is the figure being clamped in the state between jut 16e and outside wall portions 16d2 for describing O type ring 18 in detail.In the present embodiment, the size of jut 16e can be set as the radial distance r between the leading section 16e1 of jut 16e and outside wall portions 16d2 is less than the wire diameter of O type ring 18.Thus, O type ring 18 in O type ring accommodating groove 16d is accommodated in be clamped between jut 16e and outside wall portions 16d2 by the state compressed.Its result, O type ring 18 presses on both jut 16e and outside wall portions 16d2 under the effect of elastic restoring force, therefore, it is possible to be stably fixed on by O type ring 18 in O type ring accommodating groove 16d.
As mentioned above, adopt the position and speed detecting device 1 of present embodiment, between the jut 16e that O type ring 18 is clamped in O type ring accommodating groove 16d and outside wall portions 16d2, therefore, it is possible to prevent the O type ring 18 be temporarily accommodated in O type ring accommodating groove 16d from coming off in the assembling procedure of position speed detector 1.Thus, adopt present embodiment, be easy to assembling position speed detector 1 in the assembling procedure of robotization.In addition, in the present embodiment, multiple jut 16e equally spaced can arrange along the complete cycle of O type ring accommodating groove 16d.Thus, the holding force produced by multiple jut 16e acts on equably, therefore, it is possible to be stably fixed on by O type ring 18 in O type ring accommodating groove 16d on the complete cycle of O type ring 18.In addition, in the present embodiment, the internal diameter d of O type ring accommodating groove 16d can be greater than the internal diameter of O type ring 18 slightly.Thus, O type ring 18 presses on inner wall part 16d1 under the effect of elastic restoring force, therefore, it is possible to be stably fixed on by O type ring 18 in O type ring accommodating groove 16d.
The utility model is not limited to above-mentioned embodiment, can carry out various change within the scope of the record of claims of utility model mandate.Such as, in the above-described embodiment, O type ring accommodating groove is formed at the cover side of position and speed detecting device, but the accommodating groove of position and speed detecting device of the present utility model also can be formed at the case side of position and speed detecting device.In addition, in the above-described embodiment, receive through " infiltration type " scrambler of the light pulse after rotating disk exemplified with by light receiving element, but position and speed detecting device of the present utility model also can be the scrambler being received other such kinds of " reflection-type " scrambler of the light pulse of being reflected by rotating disk by light receiving element.In addition, the size, shape, material etc. of each part mentioned above are only examples, in order to realize effect of the present utility model, can adopt sizes, shape, material etc.
Claims (6)
1. a position and speed detecting device (1), it comprises: electronic component (13a, 13b), and it is for generation of the electric signal corresponding with the angle position of turning axle (11); Housing (15), it is for supporting above-mentioned electronic component (13a, 13b); And cover (16), it is installed on above-mentioned housing (15) in the mode covering above-mentioned electronic component (13a, 13b), it is characterized in that,
Accommodating groove (16d) for receiving the ring-type of O type ring (18) is formed at the surface of contact contacted with another one of above-mentioned housing (15) and any one in above-mentioned cover (16),
Inner wall part (16d1) in the radial direction of above-mentioned accommodating groove (16d) and any wall portion in outside wall portions (16d2) are formed at above-mentioned accommodating groove (16d) towards the jut (16e) that another wall portion is outstanding
The above-mentioned O type ring (18) be accommodated in above-mentioned accommodating groove (16d) is clamped between above-mentioned jut (16e) and another wall portion above-mentioned.
2. position and speed detecting device (1) according to claim 1, is characterized in that,
The the same in the radial direction of above-mentioned accommodating groove (16d) of the leading section that the above-mentioned O type ring (18) be accommodated in above-mentioned accommodating groove (16d) is clamped in above-mentioned jut (16e) and another wall portion above-mentioned is stated between part that jut (16e) separates.
3. position and speed detecting device (1) according to claim 1 and 2, is characterized in that,
Above-mentioned jut (16e) contacts with above-mentioned O type ring (18) on round and smooth outside surface.
4. position and speed detecting device (1) according to claim 1 and 2, is characterized in that,
Between the leading section of above-mentioned jut (16e) and another wall portion above-mentioned, distance in the radial direction of above-mentioned accommodating groove (16d) is less than the wire diameter of above-mentioned O type ring (18).
5. position and speed detecting device (1) according to claim 1 and 2, is characterized in that,
Multiple above-mentioned jut (16e) equally spaced arranges along the complete cycle of an above-mentioned wall portion.
6. position and speed detecting device (1) according to claim 1 and 2, is characterized in that,
The internal diameter of above-mentioned accommodating groove (16d) is greater than the internal diameter of above-mentioned O type ring (18).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013006616U JP3188676U (en) | 2013-11-20 | 2013-11-20 | Position speed detector with dustproof and dripproof structure |
| JP2013-006616 | 2013-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204228196U true CN204228196U (en) | 2015-03-25 |
Family
ID=52986342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420599500.7U Active CN204228196U (en) | 2013-11-20 | 2014-10-16 | Position and speed detecting device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3188676U (en) |
| CN (1) | CN204228196U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112965362A (en) * | 2019-12-12 | 2021-06-15 | 华为技术有限公司 | Device for operating wearable equipment |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6200469B2 (en) | 2015-08-28 | 2017-09-20 | ファナック株式会社 | Encoder with liquid-tight structure |
| CN113551653B (en) * | 2021-06-29 | 2023-04-07 | 长春工程学院 | Monitoring device using remote sensing and geographic information system technology |
-
2013
- 2013-11-20 JP JP2013006616U patent/JP3188676U/en not_active Expired - Fee Related
-
2014
- 2014-10-16 CN CN201420599500.7U patent/CN204228196U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112965362A (en) * | 2019-12-12 | 2021-06-15 | 华为技术有限公司 | Device for operating wearable equipment |
| CN112965362B (en) * | 2019-12-12 | 2022-07-29 | 华为技术有限公司 | Device for operating wearable equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3188676U (en) | 2014-01-30 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |