CN217687073U

CN217687073U - Sensor with rotatable shell

Info

Publication number: CN217687073U
Application number: CN202221195410.2U
Authority: CN
Inventors: 张中洲
Original assignee: Guangdong Shichuang Technology Co ltd
Current assignee: Guangdong Shichuang Technology Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-10-28
Anticipated expiration: 2032-05-17

Abstract

The utility model provides a rotatable sensor of shell, its technical scheme's main points are: the motor comprises a shell and a bottom cover fixedly connected with the shell, wherein a stator is arranged in the shell, an installation shaft which penetrates through the shell and extends upwards is inserted in the stator, an electric brush is arranged on the bottom surface of the stator, a base plate is arranged in the shell and below the electric brush, a resistor strip is arranged on the upper surface of the base plate, a first electrode and a second electrode are respectively arranged at two ends of the resistor strip, an electrode ring is arranged on one side of the base plate and below the resistor strip, and a circle of gear teeth are arranged on the outer surface of the shell; the sensor with the rotatable shell is convenient to install and use, can be flexibly applied to installation structures of various instruments, and has strong practicability; meanwhile, the sensor is high in precision, strong in stability and long in service life.

Description

Sensor with rotatable shell

[ technical field ] A method for producing a semiconductor device

The utility model relates to a sensor technical field, in particular to rotatable sensor of shell.

[ background of the invention ]

Many important measurement and control instruments, such as gyro-rotating platforms, inertial navigation platforms and other instruments, and aerospace vehicle steering systems generally need to be provided with sensors for measuring angles, and the sensors are used for measuring absolute rotation angles of a measured object relative to a certain reference azimuth or relative rotation angles of the measured object relative to the measured object at different moments. The shell of most of the existing angle sensors is fixed, and the rotor is driven by the rotating shaft to enable the electric brush to rotate on the resistor strip, so that the rotating shaft needs to be matched with a complex structure in some instruments to rotate, and the angle sensors are inconvenient to use; if the rotating shaft is fixed, the shell rotates, a complex matching structure can be omitted, and the installation and the use are convenient.

[ Utility model ] content

In order to strengthen the practicality of the angle measuring sensor and facilitate the installation and the use of the angle measuring sensor, the utility model provides a rotatable sensor of shell.

In order to solve the above problem, the utility model provides a following technical scheme:

a sensor having a rotatable housing, comprising: including the casing, with casing fixed connection's bottom be equipped with the stator in the casing it runs through to have inserted in the stator the installation axle that casing and upwards extended install the brush on the bottom surface of stator just be located in the casing the below of brush is equipped with the base plate the upper surface of base plate is equipped with the resistance strip the both ends of resistance strip are equipped with first electrode and second electrode respectively just be located on the base plate one side of resistance strip is equipped with the electrode ring be equipped with the round teeth of a cogwheel on the surface of casing.

The sensor with the rotatable housing as described above, characterized in that: the edge of base plate both sides is equipped with the dop correspond to be equipped with on the inner wall of casing and be used for the card to go into the draw-in groove of dop, the base plate joint is in on the inner wall of casing.

The sensor with the rotatable housing as described above, characterized in that: the lower extreme of installation axle is flat position inserted column the center department of stator is equipped with and is used for inserting flat position inserted column's flat position jack the upper end of installation axle is equipped with the location jack be equipped with the bolt in the location jack.

The sensor with the rotatable housing as described above, characterized in that: the upper half part of the stator is a mounting disc, the lower half part of the stator is a sleeve, a through hole is formed in the center of the substrate, and the substrate is rotatably embedded on the sleeve through the through hole.

The sensor with a rotatable housing as described above, characterized in that: the top end of the interior of the shell is provided with a first groove, a first bearing is installed in the first groove, a second groove is formed in the bottom cover, a second bearing is installed in the second groove, and the first bearing and the second bearing are all nested on the installation shaft.

The sensor with a rotatable housing as described above, characterized in that: the installation epaxial and being located the below of first bearing is equipped with prevents pressing the step, the upper surface that prevents pressing the step supports on the inner ring of first bearing bottom, the top of first bearing supports on the inner wall of casing, the top of mounting disc supports prevent pressing the lower surface of step, telescopic bottom supports on the inner ring on second bearing top, the bottom of second bearing supports the upper surface of bottom.

The sensor with a rotatable housing as described above, characterized in that: the bottom cover is provided with a convex ring, the top end of the convex ring abuts against the lower surface of the base plate, the convex ring is provided with a notch for conveniently filling glue, and the area A between the base plate and the bottom cover is filled with glue.

The sensor with the rotatable housing as described above, characterized in that: the resistor strip the first electrode and the second electrode are both arc-shaped and located on the same ring surface, a first conducting strip electrically connected with the first electrode, a second conducting strip electrically connected with the second electrode and a third conducting strip electrically connected with the electrode ring are respectively arranged on the lower surface of the substrate, and wires are welded on the first conducting strip, the second conducting strip and the third conducting strip.

The sensor with the rotatable housing as described above, characterized in that: the electric brush is the shell fragment of metal material, the electric brush is equipped with two brush heads, two brush heads respectively the crimping be in the resistance strip with on the electrode ring be equipped with the mounting hole on the electric brush correspond to be equipped with on the bottom surface of mounting disc and be used for inserting the erection column of mounting hole.

The sensor with the rotatable housing as described above, characterized in that: the mounting disc with the sleeve and the erection column are integrative, the material of stator is insulating plastics, the brush with through right the mode riveting fixed is carried out to the erection column between the stator.

Compared with the prior art, the utility model discloses there is following advantage:

1. the utility model discloses the rotatable sensor of shell is equipped with the round teeth of a cogwheel on the surface of casing, if will install the axle immovably, stator and brush are immovably along with the installation axle, can drive the casing through the teeth of a cogwheel and rotate, and the casing drives the base plate and rotates together, makes the resistance strip on the base plate rotate to different positions for the brush, accomplishes the measurement of angle; the sensor can be used in a common mode, namely, the shell is fixed, the stator and the electric brush are driven to rotate through the mounting shaft, so that the electric brush rotates to different positions of the resistor strips on the substrate, and the angle measurement is completed; the sensor is convenient to install and use, can be flexibly applied to installation structures of various instruments, and has strong practicability.

2. The utility model discloses the rotatable sensor of shell, it has glue to fill between base plate and the bottom, can connect fixed casing and bottom after solidifying, can stabilize the wire and prevent the welding point fracture, can also play insulating seal's effect simultaneously, has strengthened the stability of this sensor.

3. The utility model discloses the rotatable sensor of shell, the precision is high, and stability is strong, and application scope is wide.

[ description of the drawings ]

FIG. 1 is a perspective view of the sensor;

FIG. 2 is a cross-sectional view of the sensor;

FIG. 3 is a first exploded view of the sensor;

FIG. 4 is a second exploded view of the sensor;

FIG. 5 is a third exploded view of the sensor;

FIG. 6 is a fourth exploded view of the sensor;

in the figure: 1 is a shell; 2 is a bottom cover; 3 is a stator; 4 is a mounting shaft; 5 is an electric brush; 6 is a substrate; 7 is a resistance strip; 8 is a first electrode; 9 is a second electrode; 10 is an electrode ring; 11 is a first conductive sheet; 12 is a second conductive sheet; 13 is a third conductive sheet; 14 is a lead; 15 is a first bearing; 16 is a second bearing; 101 is a gear tooth; 102 is a card slot; 103 is a first groove; 201 is a convex ring; 202 is a gap; 203 is a second groove; 301 is a mounting plate; 302 is a sleeve; 303 is a flat position jack; 304 is a mounting post; 401 is a positioning jack; 402 is a bolt; 403 is a pressure-proof step; 404 is a flat inserted column; 501 is a brush head; 502 is a mounting hole; 601 is a chuck; 602 are through holes.

[ detailed description ] embodiments

The technical features of the present invention will be described in further detail below with reference to the accompanying drawings so that those skilled in the art can understand the technical features.

The utility model provides a rotatable sensor of shell, as shown in fig. 1-6, including casing 1, with casing 1 fixed connection's bottom 2 be equipped with stator 3 in the casing 1 the interpolation of stator 3 is connected and is run through casing 1 and the installation axle 4 of upwards extending install brush 5 on the bottom surface of stator 3 just be located in the casing 1 the below of brush 5 is equipped with base plate 6 the upper surface of base plate 6 is equipped with resistance strip 7 the both ends of resistance strip 7 are equipped with first electrode 8 and second electrode 9 respectively just be located on the base plate 6 one side of resistance strip 7 is equipped with electrode ring 10 be equipped with round teeth of a cogwheel 101 on the surface of casing 1.

Specifically, the first usage of the sensor is to fix the mounting shaft 4, fix the stator 3 and the brush 5 with the mounting shaft 4, at this time, the housing 1 may be driven to rotate by the gear teeth 101, and the housing 1 drives the substrate 6 to rotate together, so that the resistor strips 7 on the substrate 6 rotate to different positions relative to the brush 5, thereby completing the angle measurement; in addition, the sensor can be used in a common mode, namely the shell 1 is fixed, the mounting shaft 4 drives the stator 3 and the electric brush 5 to rotate, so that the electric brush 5 rotates to different positions of the resistor strip 7, and the angle measurement is completed; the sensor is convenient to install and use, can be flexibly applied to installation structures of various instruments, and has strong practicability.

Specifically, be equipped with dop 601 on the edge of base plate 6 both sides correspond to be equipped with on the inner wall of casing 1 and be used for the card to go into draw-in groove 102 of dop 601, base plate 6 joint is in on the inner wall of casing 1, make base plate 6 can follow casing 1 rotates together.

In addition, the lower extreme of installation axle 4 is flat position insert column 404 the center department of stator 3 is equipped with and is used for inserting flat position jack 303 of flat position insert column 404, flat position insert column 404 with flat position jack 303 makes installation axle 4 with stator 3 can fixed static or rotate in step the upper end of installation axle 4 is equipped with location jack 401 be equipped with bolt 402 in location jack 401, when needs casing 1 rotates when using, location jack 401 with bolt 402 can make things convenient for the fixed mounting of installation axle 4.

Specifically, the upper half of the stator 3 is a mounting plate 301, the lower half is a sleeve 302, a through hole 602 is arranged at the center of the substrate 6, and the substrate 6 is rotatably nested on the sleeve 302 through the through hole 602.

Specifically, a first groove 103 is formed in the top end of the inside of the housing 1, a first bearing 15 is installed in the first groove 103, a second groove 203 is formed in the bottom cover 2, a second bearing 16 is installed in the second groove 203, and the first bearing 15 and the second bearing 16 are both nested on the installation shaft 4.

Specifically, a pressure-proof step 403 is arranged on the mounting shaft 4 and below the first bearing 15, an upper surface of the pressure-proof step 403 abuts against an inner ring at the bottom end of the first bearing 15, a top end of the first bearing 15 abuts against an inner wall of the housing 1, the pressure-proof step 403 can prevent the first bearing 15 from being separated from the first groove 103, a top end of the mounting plate 301 abuts against a lower surface of the pressure-proof step 403, a bottom end of the sleeve 302 abuts against an inner ring at the top end of the second bearing 16, and a bottom end of the second bearing 16 abuts against an upper surface of the bottom cover 2.

Specifically, a convex ring 201 is arranged on the bottom cover 2, the top end of the convex ring 201 abuts against the lower surface of the substrate 6, the substrate 6 is fixed in the shell 1, a notch 202 for conveniently filling glue is arranged on the convex ring 201, glue is filled in an area a between the substrate 6 and the bottom cover 2, the shell 1 and the bottom cover 2 are connected and fixed through solidified glue, the lead 14 can be stabilized after the glue is solidified, the welding point can be prevented from being broken, meanwhile, the insulating and sealing effects can be achieved, and the stability of the sensor is enhanced; the shell 1 and the bottom cover 2 can be connected and fixed in a buckling or threaded manner.

Specifically, resistive strip 7, first electrode 8 and second electrode 9 are the arc and are located same anchor ring be equipped with respectively on the lower surface of base plate 6 with first conducting strip 11 that first electrode 8 electricity is connected, with second conducting strip 12 that second electrode 9 electricity is connected, and with third conducting strip 13 that electrode ring 10 electricity is connected all weld wire 14 on first conducting strip 11, second conducting strip 12 and the third conducting strip 13, wire 14 passes bottom 2 downwardly extending, wire 14 is flexible wire, can prevent to fracture when the distortion.

Specifically, brush 5 is the shell fragment of metal material, brush 5 is equipped with two brush heads 501, two brush heads 501 press respectively and be in resistance strip 7 with on the electrode ring 10 be equipped with mounting hole 502 on brush 5 correspond to be equipped with on the bottom surface of mounting disc 301 and be used for inserting mounting hole 502's erection column 304, brush head 501 is the hook-shaped, can reduce friction, reduces resistance strip 7's material loss for this sensor can keep higher precision, increase of service life for a long time.

Specifically, the mounting disc 301 with sleeve 302 and erection column 304 are integrative, the material of stator 3 is insulating plastic, brush 5 with through to between the stator 3 the mode riveting fixed of carrying out the hot pressing to erection column 304, in addition, casing 1 with the material of bottom 2 is the aluminum alloy, and is durable.

Specifically, the assembly process of the sensor is as follows:

firstly, the first bearing 15 and the second bearing 16 are respectively embedded and installed in the first groove 103 and the second groove 203; secondly, mounting the electric brush 5 on the mounting disc 301, fixing the electric brush by hot-pressing riveting, and then nesting and mounting the stator 3 on the mounting shaft 4; a third step of inserting the upper end of the mounting shaft 4 into the housing 1 through the first bearing 15; fourthly, welding the lead 14 to the lower surface of the substrate 6 and electrically connecting the lead with the first conductive sheet 11, the second conductive sheet 12 and the third conductive sheet 13 respectively; a fifth step of nesting the base plate 6 on the sleeve 302 and clamping the clamp 601 into the card slot 102, thereby installing the base plate 6 in the housing 1; sixthly, installing the bottom cover 2, and filling glue in the area A between the substrate 6 and the bottom cover 2 through the gap 202; and finally, performing thermal curing treatment on the glue to finish the assembly of the sensor.

The described embodiments of the invention are merely illustrative of the preferred embodiments of the invention and are not limited to the precise arrangements described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof; without deviating from the design concept of the present invention, the technical personnel in the field are right to the present invention has various modifications and improvements made by the technical solution that should fall into the protection scope of the present invention.

Claims

1. A sensor having a rotatable housing, comprising: including casing (1), with casing (1) fixed connection's bottom (2) be equipped with stator (3) in casing (1) it runs through to peg graft in stator (3) casing (1) and the installation axle (4) of upwards extending install brush (5) on the bottom surface of stator (3) just be located in casing (1) the below of brush (5) is equipped with base plate (6) the upper surface of base plate (6) is equipped with resistance strip (7) the both ends of resistance strip (7) are equipped with first electrode (8) and second electrode (9) respectively on base plate (6) and be located one side of resistance strip (7) is equipped with electrode ring (10) be equipped with round teeth of a cogwheel (101) on the surface of casing (1).

2. The rotatable housing sensor of claim 1, wherein: be equipped with dop (601) on the edge of base plate (6) both sides correspond to be equipped with on the inner wall of casing (1) and be used for the card to go into draw-in groove (102) of dop (601), base plate (6) joint is in on the inner wall of casing (1).

3. The rotatable housing sensor of claim 1, wherein: the lower extreme of installation axle (4) is flat position insert post (404) the center department of stator (3) is equipped with and is used for inserting flat position jack (303) of flat position insert post (404) the upper end of installation axle (4) is equipped with location jack (401) be equipped with bolt (402) in location jack (401).

4. The rotatable housing sensor of claim 1, wherein: the upper half part of the stator (3) is a mounting disc (301), the lower half part of the stator is a sleeve (302), a through hole (602) is formed in the center of the substrate (6), and the substrate (6) is rotatably nested on the sleeve (302) through the through hole (602).

5. The rotatable housing sensor of claim 4, wherein: the inner top end of the shell (1) is provided with a first groove (103), a first bearing (15) is installed in the first groove (103), a second groove (203) is formed in the bottom cover (2), a second bearing (16) is installed in the second groove (203), and the first bearing (15) and the second bearing (16) are all nested on the installation shaft (4).

6. The rotatable housing sensor of claim 5, wherein: the mounting shaft (4) is provided with a pressure-proof step (403) below the first bearing (15), the upper surface of the pressure-proof step (403) abuts against the inner ring at the bottom end of the first bearing (15), the top end of the first bearing (15) abuts against the inner wall of the shell (1), the top end of the mounting disc (301) abuts against the lower surface of the pressure-proof step (403), the bottom end of the sleeve (302) abuts against the inner ring at the top end of the second bearing (16), and the bottom end of the second bearing (16) abuts against the upper surface of the bottom cover (2).

7. A sensor having a rotatable housing according to claim 1, wherein: the glue filling device is characterized in that a convex ring (201) is arranged on the bottom cover (2), the top end of the convex ring (201) abuts against the lower surface of the base plate (6), a notch (202) used for conveniently filling glue is formed in the convex ring (201), and glue is filled in an area A between the base plate (6) and the bottom cover (2).

8. The rotatable housing sensor of claim 1, wherein: resistance strip (7) first electrode (8) with second electrode (9) are the arc and are located same anchor ring be equipped with on the lower surface of base plate (6) respectively with first conducting strip (11) that first electrode (8) electricity is connected, with second conducting strip (12) that second electrode (9) electricity is connected and with third conducting strip (13) that electrode ring (10) electricity is connected all weld wire (14) on first conducting strip (11), second conducting strip (12) and third conducting strip (13).

9. The rotatable housing sensor of claim 4, wherein: brush (5) are the shell fragment of metal material, brush (5) are equipped with two brush heads (501), two brush head (501) crimping respectively be in resistance strip (7) with on electrode ring (10) be equipped with mounting hole (502) on brush (5) correspond on the bottom surface of mounting disc (301) and be equipped with and be used for inserting erection column (304) of mounting hole (502).

10. The rotatable housing sensor of claim 9, wherein: the mounting disc (301) with sleeve (302) and erection column (304) are integrative, the material of stator (3) is insulating plastics, brush (5) with through to carry out the mode riveting fixed of hot pressing between stator (3) erection column (304).