CN203132494U - Rotation angle sensor - Google Patents
Rotation angle sensor Download PDFInfo
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- CN203132494U CN203132494U CN 201220521866 CN201220521866U CN203132494U CN 203132494 U CN203132494 U CN 203132494U CN 201220521866 CN201220521866 CN 201220521866 CN 201220521866 U CN201220521866 U CN 201220521866U CN 203132494 U CN203132494 U CN 203132494U
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- sliding part
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- teat
- resistive element
- housing
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Abstract
The utility model relates to a rotation angle sensor having good assembly performance without using clamps and the like. The rotation angle sensor comprises a slider retaining body (3) and a shell body (2), wherein a main body part (3b) of the slider retaining body (3) is provided with three protrusion parts (3a) protruding toward the outside, the shell body (2) is provided with a convex edge part (2b) having three concave parts (2c), and positions of the three protrusion parts (3a) are identical with that of the three concave parts (2c) at a preset angular position (Pa) which is rotated from a rotation initial position (P1) of the slider retaining body (3) at a preset angle. The slider retaining body (3) is pressed after being rotated at a preset angle, and then the slider retaining body (3) is made to rotate, thus the slider retaining body (3) cannot fall off from an accommodating part (2a) of the shell body (2). Therefore, the rotation angle sensor having good assembly performance since the rotation angle sensor can be assembled by arranging a resistive body substrate (5) above the slider retaining body (3) without using clamps and the like for limiting the slider retaining body (3) from falling off can be provided.
Description
Technical field
The utility model relates to a kind of angular sensor, particularly relates to a kind of angular sensor that improves assembleability.
Background technology
In recent years, the Electronic Controlization of automobile is developed, in the vehicle status detection such as detection of the fuel surplus of the detection of the mode of operation of the operated various devices of users such as bearing circle and accelerator, tanks, uses a lot of sensors.
The sensor that uses in the automobile requires high reliability such as weatherability, resistance to impact, and has the trend of using increasing sensor, therefore requires more cheap.
For more cheap sensor is provided, consider the simplification of structure, the methods such as material of employing low price, but improving assembleability also is very important to assemble more simple and reliablely, the good sensor of expectation assembleability.
Rotary-type angular transducer has the rotary body that rotates with detected object and is fixed in sensor that to detect the detecting element of rotation of rotary body many as the situation of basic structure in the various sensors that use in the automobile.In the angular sensor of this structure, in order to detect the rotation of rotary body reliably with detecting element, generally the part with rotary body is crimped to detecting element.Particularly in the angular sensor that automobile is used, in order to keep resistance to impact, rotary body with more intense pressure crimping to detecting element.
Therefore, the angular sensor that automobile is used need consider that the strong pressure by the crimping rotary body prevents that rotary body from assembling with flying out, thus the assembleability variation of angular sensor.
Conventional example as the angular sensor that has improved assembleability, in the potentiometer (potentiometer) of the position angle sensor that is used as automobile shown in the patent documentation 1, as shown in figure 14, be provided with the groove 909 of the anchor clamps that can insert not shown U word shape at the outer wall from the axial region cylindraceous of the outstanding brush installing plate 906 of the bearing portion of housing 902.Thus, when anchor clamps are inserted into groove 909, can stop brush installing plate 906 to move to the top in precalculated position by compression spring 907, so resistive element 903, cover 910 installation become easily, can not increase the parts number of packages and improve the assembleability of potentiometer.
Patent documentation 1: Japanese kokai publication hei 3-18430 communique
Yet, in the existing angular sensor shown in the patent documentation 1, need to prepare the anchor clamps that prevention brush installing plate 906 moves to the top in precalculated position.In addition, the operation that need carry out in assembling process, inserting anchor clamps and after assembling is finished, remove anchor clamps.
Thus, though in the existing angular sensor shown in the patent documentation 1, can improve assembleability, need accommodating jig, exist to produce the problem in the man-hour of the insertion of anchor clamps, the increase that removes in addition.
The utility model content
The utility model is used for addressing the above problem, and its purpose is to provide a kind of and does not use anchor clamps etc. and improve the angular sensor of assembleability.
In order to address this problem, the angular sensor that technical scheme 1 is put down in writing possesses: the resistive element substrate is formed with resistive element; Sliding part keeps body, and stacked above-mentioned resistive element substrate remains on the sliding part that slides on the above-mentioned resistive element up, is rotated action; The compression torsion spring is configured in the below that above-mentioned sliding part keeps body, is used for making above-mentioned sliding part to keep body to turn back to the rotation initial position; And housing, have and accommodate above-mentioned resistive element substrate, above-mentioned sliding part keeps the resettlement section of body and above-mentioned compression torsion spring, this angular sensor is characterised in that, keep body to be formed with the outstanding more than one teat to foreign side at above-mentioned sliding part, be formed with the convex edge with more than one recess that can be corresponding with above-mentioned more than one teat at above-mentioned housing, above-mentioned more than one teat is configured to, the position that obtains in the predetermined angle of rotation initial position rotation that keeps body from above-mentioned sliding part, opposed with above-mentioned more than one recess, at above-mentioned rotation initial position, above-mentioned more than one teat is positioned at the below of above-mentioned convex edge, and above-mentioned sliding part keeps the part of body to be positioned at the upper side of above-mentioned convex edge.
In order to address this problem, the angular sensor that technical scheme 2 is put down in writing is characterised in that the above-mentioned convex edge in above-mentioned resettlement section is provided with the restriction teat that moves radially of the above-mentioned compression torsion spring of restriction.
In order to address this problem, the angular sensor that technical scheme 3 is put down in writing is characterised in that, above-mentioned more than one teat and above-mentioned more than one recess are respectively three, and three above-mentioned teats and three above-mentioned recesses form at interval with equal angles not respectively.
According to technical scheme 1, when the assembling angular sensor, when making sliding part keep the body rotation to keep body to be inserted into the resettlement section of housing the sliding part to the predetermined angle while the application of force that overcomes the compression torsion spring, more than one jut is positioned at the below of convex edge respectively by more than one recess.Afterwards, when making sliding part keep body to turn back to the rotation initial position, more than one teat and more than one recess are not opposed, so sliding part keeps the more than one jut of body to rest on the below of convex edge, and sliding part keeps body can not break away from from the resettlement section of housing.
Thus, do not use and prevent that sliding part from keeping anchor clamps that body breaks away from etc. and can assemble, and therefore can provide the angular sensor that has improved assembleability.
According to technical scheme 2, prevent from compressing that torsion spring moves and break away from or keep body contact with sliding part from convex edge by the restriction teat, so can provide assembleability better angular sensor.
According to technical scheme 3, three teats and three recesses not equal angles arrange at interval, only assemble at the predetermined angular position place of the predetermined angle of rotation thus, can not carry out wrong assembling, therefore can provide assembleability better angular sensor.
As above, according to the utility model, can provide and not use angular sensor anchor clamps etc., that improved assembleability.
Description of drawings
Fig. 1 is the figure of outward appearance of the embodiment of the related angular sensor of expression the utility model, (a) is vertical view, (b) is rear view, (c) is upward view.
Fig. 2 is the stereographic map of the outward appearance of the related angular sensor of expression present embodiment, (a) is the stereographic map of observing angular sensor from the top, right forward side, (b) is the stereographic map from right rear side beneath angular sensor.
Fig. 3 is the exploded perspective view of the structure of the related angular sensor of expression present embodiment.
Fig. 4 is the stereographic map of structure of the housing of the related angular sensor of explanation present embodiment.
Fig. 5 is the figure of the resistive element substrate of the related angular sensor of explanation present embodiment, (a) is the upward view of resistive element substrate, (b) is the synoptic diagram of the contact condition of explanation resistive element substrate, sliding part and splicing ear.
Fig. 6 is A-A cut-open view structure, Fig. 1 of describing the related angular sensor of present embodiment.
Fig. 7 is that explanation compression torsion spring and sliding part keep body to the figure of the assembling of housing, (a) be the stereographic map that expression compression torsion spring and sliding part keep the assemble method of body, (b) being that the stereographic map that compression torsion spring and sliding part keep the state of body has been assembled in expression, (c) is that the major part cut-open view of A-A position of Fig. 1 that compression torsion spring and sliding part keep the state of body has been assembled in expression.
Fig. 8 is that expression compression torsion spring and sliding part keep body to be assembled in the figure of the state in the housing, (a) is the major part vertical view that the expression sliding part keeps the position of rotation of body, (b) is the major part upward view of the position relation of expression teat and recess.
Fig. 9 is that the sliding part that expression is assembled in the housing keeps body to be rotated to the figure of the state of predetermined angle, (a) being the major part vertical view that the expression sliding part keeps the position of rotation of body, (b) is the major part upward view of the position relation of expression teat and recess.
Figure 10 is that the sliding part that expression is assembled in the housing keeps body to turn back to the figure of the state of rotation initial position, (a) being the major part vertical view that the expression sliding part keeps the position of rotation of body, (b) is the major part upward view of the position relation of expression teat and recess.
Figure 11 is the figure of the assembling procedure of explanation angular sensor, be that compression torsion spring and sliding part keep body to be assembled in the interior state of housing, (a) being that assemble compressible torsion spring and sliding part keep body and make sliding part keep the body rotation to the state of predetermined angle, (b) is that sliding part keeps body to turn back to the state of rotation initial position.
Figure 12 is the figure of the assembling procedure of explanation angular sensor, (a) is the state of having assembled the resistive element substrate, (b) is the state of having assembled cover.
Figure 13 is the figure of the position skew countermeasure of the compression torsion spring in the expression assembling procedure, (a) being that explanation is compressed torsion spring to the major part cut-open view of A-A that enter, Fig. 1 the position of recess, (b) is the major part vertical view of the installation site skew countermeasure of explanation compression torsion spring.
Figure 14 is the major part cut-open view of the assemble method of the existing angular sensor of explanation.
Description of reference numerals
1: cover; 1a: flange part; 1b: top cover portion; 1c: column sections; 2: housing; 2a: resettlement section; 2b: convex edge; 2c: recess; 2d: restriction teat; 2e: connector portion; 2f: hook maintaining part; 2g: bullport; 2h: initial post; 2i: newel post; 3: sliding part keeps body; 3a: teat; 3b: main part; 3c: top plate portion; 3d: the axis of centres; 3e: linking part; 3f: hook keeps groove; 3g: limiting section; 3h: the place ahead limited wall; 3i: rear limited wall; 4: sliding part; 4a: base portion; 4b: arm; 5: the resistive element substrate; 5a: through hole; 5b: central resistive element; 5c: periphery resistive element; 5d: first connecting portion; 5e: second connecting portion; 5f: the 3rd connecting portion; 6: splicing ear; 7: distribution component; 7a: outside terminal; 8: the compression torsion spring; 8a: go up hook portion; 8b: following hook portion; The 11:Y ring; 12: resin; 100: angular sensor; P0: free assembling position; Pa: predetermined angular position; P1: rotation initial position; P2: rotation terminal position.
Embodiment
Below, explain embodiment of the present utility model with reference to Fig. 1～Figure 13.
At first, the see figures.1.and.2 outward appearance of the related angular sensor 100 of explanation the utility model and the summary of function.Fig. 1 is the figure of outward appearance of the embodiment of the related angular sensor 100 of expression the utility model, (a) is vertical view, (b) is rear view, (c) is upward view.Fig. 2 is the stereographic map of outward appearance of the embodiment of expression angular sensor 100, (a) is the stereographic map of observing angular sensor 100 from the top, right forward side, (b) is the stereographic map from right rear side beneath angular sensor 100.
As shown in Figure 1, the related angular sensor 100 of the utility model is equipped with cover 1 at the upper surface of housing 2, and the sliding part that is built in angular sensor 100 keeps the linking part 3e of the roughly cross shape of body 3 to expose at the bottom surface side of housing 2.The rotating part that links the detected object thing at linking part 3e, when the rotating part of detected object thing rotates, resistance value between a plurality of outside terminal 7a among the 2e of connector portion that is arranged on angular sensor 100 shown in Figure 2 changes, and can detect the position of rotation of the rotating part of detected object thing.
The structure of the related angular sensor of present embodiment 100 then, is described with reference to Fig. 3～Fig. 5.Fig. 3 is the exploded perspective view of the structure of the related angular sensor 100 of expression present embodiment.Fig. 4 is the stereographic map of observing from the top, left rear side of the structure of explanation housing 2.Fig. 5 is the figure of explanation resistive element substrate 5, (a) is the upward view of resistive element substrate 5, (b) is the synoptic diagram of the contact condition of explanation resistive element substrate 5, sliding part 4 and splicing ear 6.In addition, in Fig. 4, for the structure of the inner bottom surface of resettlement section 2a that housing 2 clearly is shown, omit the part of the wall of record housing 2.
As shown in Figure 3, in the related angular sensor 100 of present embodiment, housing 2 with resettlement section 2a is configured in foot, in the 2a of the resettlement section of housing 2, accommodate compression torsion spring 8 and keep body 3 with the sliding part that sliding part 4 is installed, mounting resistive element substrate 5 above it is at the upper surface mounting cover 1 of resistive element substrate 5.Cover 1 is fixed in the uppermost side of the resettlement section 2a of housing 2.
The housing 2 usefulness moulding materials of formation profile etc. form the roughly tubular of top opening.The inboard of tubular becomes resettlement section 2a, as among Fig. 4 in detail shown in like that, bury a plurality of distribution components 7 underground in the inside of housing 2, an end of distribution component 7 exposes to resettlement section 2a, and the other end exposes to the outside in the inboard of the 2e of connector portion and becomes a plurality of outside terminal 7a.At the substantial middle place of the inner bottom surface of resettlement section 2a, be provided with and insert the roughly bullport 2g of round shape that logical sliding part keeps the main part 3b (with reference to Fig. 3) of body 3, be provided with the convex edge 2b of eaves shape in foreign side's side of bullport 2g.In interior all sides of convex edge 2b, be arranged at intervals with three recess 2c with substantially-rectangular notch with equal angles not, be provided with three outstanding upward restriction teat 2d at the upper surface of interior all sides of convex edge 2b.In addition, at the outstanding hook maintaining part 2f that is provided with the following hook portion 8b (with reference to Fig. 3) that keeps compression torsion spring 8 in the outside of restriction teat 2d, be provided with initial post (initial post) 2h that sliding part described later keeps the rear limited wall 3i institute butt of body 3 in the more lateral of hook maintaining part 2f.
As shown in Figure 3, sliding part keeps body 3 to be provided with the roughly discoideus top plate portion 3c of a part of otch in the upper surface side of columned main part 3b roughly, centre at top plate portion 3c is provided with the axis of centres 3d that gives prominence to and have in central authorities pit shape upward, the part of the perimeter sides of top plate portion 3c is outstanding and become the limiting section 3g that sliding part 4 is installed and is become the retainer when rotating to circumferencial direction, and two sidewalls adjacent with the circle-shaped sidewall of limiting section 3g become the place ahead limited wall 3h, rear limited wall 3i respectively.In addition, the upper surface at top plate portion 3c is provided with roughly columned two juts that keep sliding part 4.In addition, the notch that is arranged on the part of top plate portion 3c is the hook maintenance groove 3f that keeps the last hook portion 8a of compression torsion spring 8 described later.
Be provided with three outstanding teat 3a to foreign side at the medium height position place of the side of main part 3b, be provided with the pit of cross shape roughly in the bottom surface and become the linking part 3e that the rotating part with the detected object thing links.Three teat 3a that are arranged on the side of main part 3b are with from the equal height in the bottom surface of main part 3b, arrange with the angle intervals identical with the angle intervals of three recess 2c on the convex edge 2b that is arranged on housing 2.
Sliding part 4 is to form with the good metal material with electric conductivity of elasticity, comprises two arm 4b that keep the part on one side of the base portion 4a of two installation portions that two juts of body 3 engage to extend obliquely upward with sliding part from having.The front of two arm 4b is the broach shape that is provided with a plurality of slits respectively, and is soft and contact with the resistive element of resistive element substrate 5 reliably.
In compression torsion spring 8, spring with spring materials such as stainless steel wire across the gap with helical coil around, be formed with hook portion 8a in the upper end of coil with U word shape roughly, be formed with hook portion 8b down in the bottom of coil with U word shape roughly.Thus, compression torsion spring 8 is done in the enterprising action of compression direction, and can do in the enterprising action of torsional direction.
Central resistive element 5b one distolateral be provided with along from the center away from the second connecting portion 5e that extends with linearity of direction, in the both end sides of periphery resistive element 5c, be respectively arranged with the first connecting portion 5d and the 3rd connecting portion 5f that extends with linearity abreast with the second connecting portion 5e.
Splicing ear 6 is to form with the good metal material with electric conductivity of elasticity, and as shown in Figure 3, a side is clamp-like, flexibly keeps resistive element substrate 5.Opposite side is the laminated spring shape, and leading section is the broach shape with slit, and with distribution component 7 Elastic Contact that resettlement section 2a to housing 2 exposes, splicing ear 6 is electrically connected with distribution component 7.
Shown in Fig. 5 (b), splicing ear 6, the first connecting portion 5d, the second connecting portion 5e and the 3rd connecting portion 5f are installed respectively on the first connecting portion 5d, the second connecting portion 5e and the 3rd connecting portion 5f are electrically connected with splicing ear 6.
In the related angular sensor 100 of the utility model, shown in Fig. 5 (b), two arm 4b of sliding part 4 are stretched over central resistive element 5b and periphery resistive element 5c and contact with it.When the sliding part that keeps sliding part 4 kept body 3 (with reference to Fig. 3) rotation, sliding part 4 also rotated, and the contact position of central resistive element 5b and periphery resistive element 5c and sliding part 4 changes.Thus, the resistance change between the second connecting portion 5e and the 3rd connecting portion 5f for example.
As shown in Figure 3, cover 1 have flat top cover portion 1b and with the mode of the periphery of surrounding top cover portion 1b arrange and with the flange part 1a of the shape of the internal perisporium combination of the upper surface side of the resettlement section 2a of housing 2.The height of top cover portion 1b is compared height with flange part 1a, and outstanding downwards at the column sections 1c of substantial middle place of the lower face side of top cover portion 1b, the outstanding front of teat 3a is roughly coniform.
The structure of the related angular sensor of present embodiment 100 then, is described with reference to Fig. 6.Fig. 6 is the A-A cut-open view of Fig. 1 of describing the structure of angular sensor 100.
The sliding part that is assembled with compression torsion spring 8 keeps the main part 3b of body 3 to insert the bullport 2g that leads in housing 2, the inner bottom surface butt of the seat surface of the downside of compression torsion spring 8 and the resettlement section 2a of housing 2, the seat surface of the upside of compression torsion spring 8 and sliding part keep the lower surface butt of the top plate portion 3c of body 3.In addition, the following hook portion 8b (with reference to Fig. 3) of compression torsion spring 8 remains on the hook maintaining part 2f (with reference to Fig. 4) of housing 2, and the last hook portion 8a (with reference to Fig. 3) of compression torsion spring 8 remains on and is arranged at the hook maintenance groove 3f (with reference to Fig. 3) that sliding part keeps the top plate portion 3c of body 3.Thus, sliding part keeps body 3 direction and the sense of rotation application of force up and down.
The stacked resistive element substrate 5 that is assembled with splicing ear 6 above sliding part maintenance body 3, remain on sliding part and keep the sliding part 4 elastic deformations ground on the upper surface of top plate portion 3c of body 3 to contact with central resistive element 5b and periphery resistive element 5c, the opposite side of splicing ear 6 contacts with distribution component 7.Resistance change when thus, sliding part keeps body 3 to be rotated outputs to outside terminal 7a.
Mounting cover 1 above resistive element substrate 5, cover 1 is fixed in the upper end side of the resettlement section 2a of housing 2.Thus, the sliding part that connects the through hole 5a of resistive element substrate 5 and give prominence to the top of resistive element substrate 5 keeps the pit shape of the axis of centres 3d of body 3 to engage with the roughly cone shape front end of the column sections 1c of cover 1, the limit slippage part keeps body 3 to be moved upward, and sliding part keeps body 3 can be supported in cover 1 rotationally.At this moment, be arranged on sliding part and keep the lower surface of convex edge 2b of the upper surface of the teat 3a on the body 3 and housing 2 gapped, the upper surface of teat 3a does not contact with the lower surface of convex edge 2b.
In addition, in the upper surface of cover 1 flange part 1a and the inner wall region of the upper end side of the resettlement section 2a of housing 2, the periphery of flange part 1a be coated with on the whole avoid from above the resin 12 of dust intrusion.
Number of assembling steps and the effect of the present utility model of the related angular sensor of the utility model 100 then, are described with reference to Fig. 7～Figure 13.Fig. 7 is that explanation compression torsion spring 8 and sliding part keep body 3 to the figure of the assembling of housing 2, (a) be the stereographic map that expression compression torsion spring 8 and sliding part keep the assemble method of body 3, (b) being that the stereographic map that compression torsion spring 8 and sliding part keep the state of body 3 has been assembled in expression, (c) is that the major part cut-open view of A-A position of Fig. 1 that compression torsion spring 8 and sliding part keep the state of body 3 has been assembled in expression.
Fig. 8～Figure 10 figure that to be the expression sliding part teat 3a that keeps body 3 concern with the position of the recess 2c of housing 2, in each figure, (a) be the major part vertical view that the expression sliding part keeps the position of rotation of body 3, (b) be the major part upward view of the position relation of expression teat 3a and recess 2c, Fig. 8 is the state of having assembled compression torsion spring 8 and sliding part maintenance body 3, Fig. 9 is that sliding part keeps body 3 to be rotated to the state of predetermined angle, and Figure 10 is that sliding part keeps body 3 to turn back to the state of rotation initial position P1.
Figure 11 and Figure 12 are the stereographic maps under situation state, that angular sensor 100 is cut off in the A-A position of Fig. 1 of each operation of assembling of explanation angular sensor 100, Figure 11 (a) is that assemble compressible torsion spring 8 and sliding part keep body 3 and make sliding part keep body 3 rotations to the state of predetermined angle, Figure 11 (b) is that sliding part keeps body 3 to turn back to the state of rotation initial position P1, Figure 12 (a) is the state that resistive element substrate 5 is installed at housing 2, and Figure 12 (b) is the state that cover 1 is installed at housing 2.In addition, in Figure 11 and Figure 12, for the ease of understanding, omit the shade of the cross-section of having put down in writing sliding part maintenance body 3.
Figure 13 is the figure of the installation site skew countermeasure of the compression torsion spring 8 in the expression assembling procedure, (a) being that explanation is compressed torsion spring 8 to the major part cut-open view of A-A that enter, Fig. 1 the position of recess 2c, (b) is the major part vertical view of the installation site skew countermeasure of explanation compression torsion spring 8.
In the assembling procedure of the related angular sensor 100 of the utility model, at first, shown in Fig. 7 (a), keep the sliding part of sliding part 4 to keep body 3 to insert compression torsion spring 8 at top plate portion 3c.At this moment, so that remaining on sliding part, the last hook portion 8a of compression torsion spring 8 keep the hook of body 3 to keep the mode of groove 3f to assemble.Then, keep body 3 shown in Fig. 7 (b), to be assembled into like that among the resettlement section 2a of housing 2 sliding part that is assembled with compression torsion spring 8.At this moment, so that the mode that the following hook portion 8b of compression torsion spring 8 remains on the hook maintaining part 2f of housing 2 assemble.
In addition, so that the mode that the following hook portion 8b of compression torsion spring 8 remains on the hook maintaining part 2f of housing 2 when assembling, if compression torsion spring 8 is not assembled in preposition, then might as Figure 13 (a) shown in, compress like that torsion spring 8 lower end side, be that end turn partly enters the internal side diameter that sliding part keeps the recess 2c of the main part 3b of body 3 and housing 2 or compress torsion spring 8 and contacts with the main part 3b of sliding part maintenance body 3.Therefore, in the related angular sensor 100 of the utility model, shown in Figure 13 (b), be provided with to three restriction teat 2d of the inboard of the direction internal diameter outstanding, that be positioned at compression torsion spring 8 of mounting compression torsion spring 8 at the periphery of the bullport 2g of the convex edge 2b of housing 2 upper surface.
Thus, compression torsion spring 8 is limited in the preposition scope by three restriction teat 2d, and the end turn that therefore can avoid compressing torsion spring 8 partly enters the recess 2c of housing 2, the internal side diameter of compression torsion spring 8 contacts with the main part 3b of sliding part maintenance body 3.Thereby, need not to worry assembling position especially and can assemble compressible torsion spring 8 that it is good that the assembleability of angular sensor 100 becomes.
Keep body 3 to be assembled under the state among the resettlement section 2a of housing 2 at the sliding part that is assembled with compression torsion spring 8, compression torsion spring 8 is in free state, therefore shown in Fig. 7 (c), sliding part keeps the main part 3b of body 3 just to be inserted into the bullport 2g of housing 2 a little, and sliding part keeps the teat 3a of body 3 to be in the top of the convex edge 2b of housing 2.
In addition, shown in Fig. 8 (a), sliding part keep the position of rotation of body 3 to serve as reasons free assembling position P0 that the free shape of compression torsion spring 8 determines.At free assembling position P0 place, shown in Fig. 8 (b), the position of the teat 3a of sliding part maintenance body 3 and the recess 2c of housing 2 is inconsistent.
In order to assemble resistive element substrate 5 (with reference to Fig. 3), need inserting sliding part keeps body 3 to keep the teat 3a of body 3 to be in the position of below of the convex edge 2b of housing 2 up to sliding part, but, keep body 3 even press sliding part at free assembling position P0 place, the teat 3a that sliding part keeps body 3 just with the convex edge 2b collision of housing 2, sliding part keeps the teat 3a of body 3 can't be by the recess 2c of housing 2.
Then, shown in Fig. 9 (a), the direction (counter clockwise direction in Fig. 9 (a)) of tightening at compression torsion spring 8 makes sliding part keep body 3 to rotate to predetermined angular position Pa.Thus, shown in Fig. 9 (b), the position consistency of the teat 3a of sliding part maintenance body 3 and the recess 2c of housing.
Three recess 2c of the convex edge 2b of housing 2 arrange at interval with equal angles not, sliding part keeps three teat 3a of body 3 to arrange with the angle intervals identical with the angle intervals of recess 2c, therefore teat 3a is only consistent when sliding part keeps body 3 to rotate to predetermined angular position Pa with the position of recess 2c, and is inconsistent in the position except predetermined angular position Pa.
Keep body 3 to rotate to predetermined angular position Pa and when compressing torsion spring 8 under the state of the position consistency of teat 3a and recess 2c on one side and pressing sliding part maintenance body 3, shown in Figure 11 (a), teat 3a passes through recess 2c downwards at sliding part.Thus, can in bullport 2g, insert logical sliding part keep body 3 up to sliding part keep the teat 3a of body 3 be in housing 2 convex edge 2b below the position.
Insert logical sliding part keep body 3 up to sliding part keep the teat 3a of body 3 be in housing convex edge 2b below the position after when sliding part maintenance body 3 is rotated freely, shown in Figure 10 (a), sliding part keeps body 3 to be rotated along the direction (clockwise direction in Figure 10 (a)) that compression torsion spring 8 unclamps by compression torsion spring 8, soon, the rear limited wall 3i butt of limiting section 3g stops in rotation initial position P1 place's rotation to initial post 2h.
When sliding part keeps body 3 to be rotated to rotation initial position P1, shown in Figure 10 (b), sliding part keeps the teat 3a of body 3 to be in the below of the convex edge 2b of housing 2, the position of teat 3a and recess 2c becomes inconsistent by the rotation of sliding part maintenance body 3, so sliding part keeps the teat 3a of body 3 can't pass through the recess 2c of housing 2.Thereby, shown in Figure 11 (b), sliding part keeps body 3 to push the top to by compressed compression torsion spring 8, sliding part keep body 3 teat 3a upper surface sliding part maintenance body 3 with the lower surface butt of the convex edge 2b of housing 2 on push away direction movement stop.
In addition, sliding part keeps the rotation initial position P1 of rear limited wall 3i that body 3 can keep body 3 from sliding part and initial post 2h butt to rotate to Figure 10 (b) with the place ahead limited wall 3h of the limiting section 3g shown in the dummy line and the rotation terminal position P2 of newel post (end post) 2i butt, is the actuating range of angular sensor 100 to the scope of rotating terminal position P2 from rotating initial position P1.
Then, shown in Figure 12 (a), above sliding part maintenance body 3, be assembled with the resistive element substrate 5 of splicing ear 6.At this moment, the lower surface butt of the upper surface of the teat 3a of sliding part maintenance body 3 and the convex edge 2b of housing 2, therefore compressing torsionspring 8 can not be applied to resistive element substrate 5 with the power that sliding part keeps body 3 upwards to push away, as long as overcome the elastic force of sliding part 4 resistive element substrate 5 is installed, therefore can be easily assembled.
Then, shown in Figure 12 (b), cover 1 is fixed in the upper end side of the resettlement section 2a of housing 2.Thus, resistive element substrate 5 quilt covers 1 are pressed from the top, and from the through hole 5a of resistive element substrate 5 upward outstanding sliding part keep the axis of centres 3d of body 3 and the column sections 1c butt of cover 1.By axis of centres 3d and column sections 1c butt, the axis of centres 3d of sliding part maintenance body 3 can rotate and be supported on column sections 1c freely, and the lower surface butt of the convex edge 2b of the upper surface of teat 3a and the housing 2 and sliding part that stops keeps body 3 to be pressed a little downwards produces the gap between the lower surface of the convex edge 2b of the upper surface of teat 3a and housing 2.Thus, even under sliding part keeps state that body 3 is rotated, teat 3a can not contact with convex edge 2b yet, so sliding part maintenance body 3 rotates smoothly, and the good angular sensor of operability 100 can be provided.
At last, keep at the lower face side of housing 2 and sliding part inserting Y ring 11 between the main part 3b of body 3, at the inner wall area coating resin 12 of the upper end side of the resettlement section 2a of the upper surface of cover 1 flange part 1a and housing 2, improve the dust tightness of angular sensor 100 thus, assembling is finished.
As above, in the related angular sensor 100 of the utility model, keep the main part 3b of body 3 that three outstanding teat 3a to foreign side are set at sliding part, at housing 2 the convex edge 2b with three recess 2c is set, in three teat 3a of predetermined angular position Pa of the predetermined angle of the rotation initial position P1 rotation that keeps body 3 from sliding part and the position consistency of three recess 2c.Three teat 3a and three recess 2c arrange at interval with equal angles not, therefore three teat 3a are only consistent at the predetermined angular position Pa of the angle of being scheduled to from rotation initial position P1 rotation with three recess 2c, and are inconsistent in the position except predetermined angular position Pa.
When beginning to assemble, sliding part keeps three teat 3a of body 3 to be in the top of the convex edge 2b of housing 2, but by making sliding part keep body 3 to rotate to predetermined angular position Pa and pressing, sliding part keeps three teat 3a of body 3 can pass through three recess 2c of housing 2 respectively.When making teat 3a make after by recess 2c sliding part keep body 3 to rotate freely, three teat 3a be positioned at convex edge 2b below the moving part of sliding in state keep body 3 to be back to rotation initial position P1 and stop.When sliding part keeps body 3 rotations when rotating initial position P1, three teat 3a and three recess 2c are not opposed, therefore sliding part keeps three teat 3a of body 3 to rest on the below of convex edge 2b, and sliding part keeps body 3 can not break away from from the resettlement section 2a of housing 2.
Sliding part keeps three teat 3a of body 3 to be arranged on the medium height position of main part 3b, above main part 3b, be provided with top plate portion 3c, so sliding part keeps the part of main part 3b of body 3 and the upper side that top plate portion 3c that sliding part 4 is installed is positioned at convex edge 2b.Thereby, by resistive element substrate 5 being positioned in the top that sliding part keeps body 3, can make the central resistive element 5b of the lower face side that is arranged on resistive element substrate 5 and the sliding part 4 that periphery resistive element 5c abuts to the upper surface that is installed in top plate portion 3c.
Thus, in the related angular sensor 100 of the utility model, make sliding part keep pressing after the predetermined angle of body 3 rotations, make sliding part keep body 3 to rotate freely afterwards, sliding part keeps body 3 can not break away from from the resettlement section 2a of housing 2 thus, as long as sliding part keep body 3 above mounting resistive element substrate 5 just can assemble, therefore can provide does not need to use the limit slippage part to keep the angular sensor 100 anchor clamps etc., that improved assembleability of body 3 disengagings.
In addition, in the related angular sensor 100 of the utility model, be provided with the restriction teat 2d that limit compression torsion spring 8 moves from preposition, the assembling of therefore compressing torsion spring 8 becomes reliably, and the better angular sensor of assembleability 100 can be provided.
As above specifically understand the related angular sensor 100 of embodiment of the present utility model, but the utility model is not limited to above-mentioned embodiment, can carry out various changes and implement in the scope that does not break away from aim.For example can following distortion implement, these embodiments also belong in the technical scope of the present utility model.
(1) sliding part three recess 2c keeping three teat 3a of body 3 and housing 2 arrange at interval with equal angles not, but three teat 3a and three recess 2c also can not be made as not equal angles interval, and, if the position at rotation initial position P1 three teat 3a in place and three recess 2c is inconsistent, then also can be in three the teat 3a in a plurality of rotary angle position place except rotation initial position P1 and the position consistency of three recess 2c.
(2) quantity of the recess 2c of the teat 3a of sliding part maintenance body 3 and housing 2 is respectively 3, but the quantity of teat 3a and recess 2c is not limited to 3, as long as the position at the rotation initial position P1 teat 3a of place and recess 2c is inconsistent, the quantity of teat 3a and recess 2c also can be one or a plurality of arbitrarily.
Claims (3)
1. angular sensor possesses:
The resistive element substrate is formed with resistive element;
Sliding part keeps body, and stacked above-mentioned resistive element substrate remains on the sliding part that slides on the above-mentioned resistive element up, is rotated action;
The compression torsion spring is configured in the below that above-mentioned sliding part keeps body, is used for making above-mentioned sliding part to keep body to turn back to the rotation initial position; And
Housing has the resettlement section of accommodating above-mentioned resistive element substrate, above-mentioned sliding part maintenance body and above-mentioned compression torsion spring,
This angular sensor is characterised in that,
Keep body to be formed with the outstanding more than one teat to foreign side at above-mentioned sliding part,
Be formed with the convex edge with more than one recess that can be corresponding with above-mentioned more than one teat at above-mentioned housing,
Above-mentioned more than one teat is configured to, and the position that obtains in the predetermined angle of rotation initial position rotation that keeps body from above-mentioned sliding part is opposed with above-mentioned more than one recess,
At above-mentioned rotation initial position, above-mentioned more than one teat is positioned at the below of above-mentioned convex edge, and above-mentioned sliding part keeps the part of body to be positioned at the upper side of above-mentioned convex edge.
2. angular sensor according to claim 1 is characterized in that,
Above-mentioned convex edge in above-mentioned resettlement section is provided with the restriction teat that moves radially of the above-mentioned compression torsion spring of restriction.
3. angular sensor according to claim 1 and 2 is characterized in that,
Above-mentioned more than one teat and above-mentioned more than one recess are respectively three, and three above-mentioned teats and three above-mentioned recesses form at interval with equal angles not respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220521866 CN203132494U (en) | 2012-10-12 | 2012-10-12 | Rotation angle sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220521866 CN203132494U (en) | 2012-10-12 | 2012-10-12 | Rotation angle sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203132494U true CN203132494U (en) | 2013-08-14 |
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ID=48940466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220521866 Expired - Lifetime CN203132494U (en) | 2012-10-12 | 2012-10-12 | Rotation angle sensor |
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| Country | Link |
|---|---|
| CN (1) | CN203132494U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021025818A (en) * | 2019-08-01 | 2021-02-22 | 日立金属株式会社 | Sensor device and method for manufacturing the same |
| JP2021025819A (en) * | 2019-08-01 | 2021-02-22 | 日立金属株式会社 | Sensor device |
| JP2021025817A (en) * | 2019-08-01 | 2021-02-22 | 日立金属株式会社 | Sensor device |
-
2012
- 2012-10-12 CN CN 201220521866 patent/CN203132494U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021025818A (en) * | 2019-08-01 | 2021-02-22 | 日立金属株式会社 | Sensor device and method for manufacturing the same |
| JP2021025819A (en) * | 2019-08-01 | 2021-02-22 | 日立金属株式会社 | Sensor device |
| JP2021025817A (en) * | 2019-08-01 | 2021-02-22 | 日立金属株式会社 | Sensor device |
| JP7200876B2 (en) | 2019-08-01 | 2023-01-10 | 日立金属株式会社 | Sensor device and manufacturing method thereof |
| JP7207219B2 (en) | 2019-08-01 | 2023-01-18 | 日立金属株式会社 | sensor device |
| JP7219864B2 (en) | 2019-08-01 | 2023-02-09 | 株式会社プロテリアル | sensor device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Tokyo, Japan Patentee after: ALPS ELECTRIC Co.,Ltd. Address before: Tokyo, Japan Patentee before: Alps Electric Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |