CN214121131U - Angular displacement sensor mounting base - Google Patents
Angular displacement sensor mounting base Download PDFInfo
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- CN214121131U CN214121131U CN202023157320.8U CN202023157320U CN214121131U CN 214121131 U CN214121131 U CN 214121131U CN 202023157320 U CN202023157320 U CN 202023157320U CN 214121131 U CN214121131 U CN 214121131U
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- displacement sensor
- angular displacement
- connecting shaft
- flange
- slot
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Abstract
The utility model provides an angle displacement sensor mount pad belongs to sensor assembly technical field. The problem that the existing angular displacement sensor mounting seat cannot be rapidly mounted and can influence the testing precision is solved. The angular displacement sensor mounting seat comprises a cylindrical seat body, a bearing and a connecting shaft, wherein the bearing is coaxially arranged in the seat body, the connecting shaft is coaxially arranged in the bearing, one end, far away from the connecting shaft, of the seat body is provided with a connecting flange used for mounting the angular displacement sensor, the middle of the connecting flange is provided with a through hole, an input shaft of the angular displacement sensor penetrates through the through hole and then is coaxially connected with the connecting shaft through a transmission assembly, and the connecting flange is connected with the seat body through a locking threaded sleeve. The utility model discloses be favorable to angular displacement sensor's quick installation, can improve the measuring accuracy simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the sensor assembly, a angle displacement sensor mount pad is related to.
Background
At present, the angular displacement sensor and the test equipment are generally installed and positioned by adopting a jackscrew or spline structure, and the jackscrew is easy to loosen or the abrasion gap of the spline is increased after long-time work, so that the test precision is reduced, and the normal use of the system is influenced when the test precision is seriously reduced; and the jackscrew and the spline connection have certain directionality, so that the installation is difficult and the operation time is long.
Therefore, the Chinese patent discloses an angular displacement sensor connecting mechanism (with the publication number of CN 210240341U), which comprises an annular shell with a flange structure, wherein the angular displacement sensor is fixed on the end face of the flange structure at one end of the shell through a pressure plate, the flange structure is also connected with a mounting hole, an end cover is arranged at the other end of the shell, a connecting shaft penetrates through the end cover and is rotationally fixed, and the connecting sleeve is extruded to the connecting shaft by a spring in the shell; the end of the connecting shaft is provided with a petal-shaped conical surface, and the connecting sleeve is abutted against the petal-shaped conical surface through a conical hole.
The above mechanism has the following problems: one end of the spring is contacted with the body of the angular displacement sensor, and the other end of the spring is contacted with the connecting sleeve, so that when the connecting sleeve rotates, friction is generated between the spring and the angular displacement sensor, and the testing precision is influenced; the annular groove is arranged on the angular displacement sensor to enable the pressing plate to be connected with the angular displacement sensor, secondary processing of the angular displacement sensor is needed, and meanwhile, the rapid connection of the angular displacement sensor and the shell cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having above-mentioned problem to current technique, provided an angle displacement sensor mount pad that is favorable to angle displacement sensor to install fast.
The purpose of the utility model can be realized by the following technical proposal:
the angular displacement sensor mounting seat comprises a cylindrical seat body, a bearing and a connecting shaft, wherein the bearing is coaxially arranged in the seat body, the connecting shaft is coaxially arranged in the bearing, one end, far away from the connecting shaft, of the seat body is provided with a connecting flange used for mounting the angular displacement sensor, the middle of the connecting flange is provided with a through hole, an input shaft of the angular displacement sensor penetrates through the through hole and then is coaxially connected with the connecting shaft through a transmission assembly, and the connecting flange is connected with the seat body through a locking threaded sleeve.
During installation, the angular displacement sensor is fixed on the connecting flange through the bolt, and then the connecting flange is fixed on the base body through the locking threaded sleeve, so that the connecting flange and the base body can be quickly connected and detached. The angular displacement sensor is equipped with the screw hole at its one end that is close to the output shaft when leaving the factory, and the cooperation bolt can realize being connected of angular displacement sensor and flange, from this, when being connected with flange, need not to carry out secondary operation to angular displacement sensor.
In the angular displacement sensor mounting seat, one end of the seat body, which is far away from the connecting shaft, is provided with an external thread, the locking screw sleeve is in threaded connection with the external thread, and one end of the locking screw sleeve, which is far away from the connecting shaft, is provided with a compression ring which is used for compressing the connecting flange on the seat body.
In the angular displacement sensor mounting seat, an annular limiting groove is formed between the connecting flange and the angular displacement sensor, the compression ring is limited in the annular limiting groove, and the width of the annular limiting groove is greater than the thickness of the compression ring.
Because the width of annular spacing groove is greater than the thickness of clamp ring, guarantee that the clamp ring can freely rotate in annular spacing inslot. The annular limiting groove can prevent the locking threaded sleeve from falling off from the space between the connecting flange and the angular displacement sensor, and loss of parts is avoided. During installation, the locking threaded sleeve is assembled in the annular limiting groove of the connecting flange, then the connecting flange is fixed on the angular displacement sensor through the bolt, and then the connecting flange is connected with the base body through the locking threaded sleeve.
In the angular displacement sensor mounting base, the transmission assembly comprises a groove formed in one end, close to the connecting shaft, of an input shaft of the angular displacement sensor and an insertion piece which is arranged on the connecting shaft and used for inserting the groove, and the width of the groove is equal to the thickness of the insertion piece.
During connection, the angular displacement sensor is rotated to a proper position, the groove is just opposite to the inserting sheet, then the connecting flange is connected to the base body through the locking threaded sleeve, the inserting sheet is gradually inserted into the groove in the connection process, and the connecting shaft and the input shaft are coaxially and fixedly connected through the inserting sheet and the groove. When the angular displacement sensor works, the connecting shaft rotates, the input shaft of the angular displacement sensor rotates under the action of the inserting piece and the slot, and the feedback of the position of the rotating angle is realized.
In the angular displacement sensor mount described above, the slot extends radially along the input shaft.
In above-mentioned angular displacement sensor mount pad, inserted sheet and connecting axle axial sliding fit, be equipped with between inserted sheet and the connecting axle and be used for driving the inserted sheet all the time to the spring of fluting motion, be equipped with circumference limit structure between inserted sheet and the connecting axle.
When installing the angle displacement sensor on the pedestal, there is the condition that the inserted sheet can not accurately be aligned in the fluting, after putting the angle displacement sensor in place this moment, can drive the connecting axle and rotate, drive the inserted sheet rotation under the effect of circumference limit structure, when the inserted sheet rotated to align with the fluting, can make the inserted sheet insert the fluting under the effect of spring.
In above-mentioned angular displacement sensor mount pad, circumference limit structure including locate on the connecting axle and along its length direction extension the guide way and locate on the inserted sheet with guide way sliding fit's spacing portion, the guide way is two and sets up relatively, spacing portion be two and with the guide way cooperation setting one by one, the thickness of spacing portion equals the width of guide way. Can carry out circumference spacing to the inserted sheet through two spacing portions and guide way, because two guide ways set up relatively, improved connection stability, guaranteed the measuring accuracy.
In the angular displacement sensor mounting seat, the spring sleeve is arranged on the connecting shaft, and one end of the spring close to the inserting piece is abutted against the limiting part. The spring supports with two spacing portions simultaneously and leans on, has guaranteed that the direction of motion of inserted sheet is the same along the length direction of connecting axle all the time.
In the angular displacement sensor mounting seat, the connecting shaft is provided with a limiting boss, and one end of the spring, which is far away from the inserting piece, is abutted against the limiting boss. Due to the limiting boss, the spring and the seat body can be prevented from being rubbed, and the testing precision is improved. Through this spacing boss, can also realize the axial positioning of connecting axle and bearing.
Compared with the prior art, the angular displacement sensor mounting base has the following advantages:
the structure of the angular displacement sensor is not changed, the installation of the connecting flange is realized by utilizing the self threaded hole of the angular displacement sensor, and the angular displacement sensor is connected with the base body through the locking threaded sleeve, so that the angular displacement sensor is convenient to connect and disassemble, and the replacement and maintenance of the angular displacement sensor are facilitated; the spring can make the slotting of inserted sheet and angle displacement sensor input shaft cooperate fast, and the transmission is effectual, conveniently realizes being connected of connecting axle and input shaft again behind the angle displacement sensor installation simultaneously, is favorable to blind operation.
Drawings
Fig. 1 is a cross-sectional view of a preferred embodiment of the present invention.
In the figure, 1, a seat body; 2. a bearing; 3. a connecting shaft; 4. an angular displacement sensor; 5. a connecting flange; 6. a through hole; 7. an input shaft; 8. locking the threaded sleeve; 81. a compression ring; 9. an annular limiting groove; 10. grooving; 11. inserting sheets; 12. a spring; 13. a guide groove; 14. a limiting part; 15. and a limiting boss.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
The angular displacement sensor mounting seat shown in fig. 1 comprises a cylindrical seat body 1, a bearing 2 coaxially arranged in the seat body 1 and a connecting shaft 3 coaxially arranged in the bearing 2, wherein the bearing 2 is positioned at the rear end of the seat body 1, the outer ring of the bearing 2 is tightly matched with the seat body 1, the connecting shaft 3 is arranged in the bearing 2 in a penetrating manner and is tightly matched with the inner ring of the bearing 2, and the rear end of the connecting shaft 3 is penetrated out from the rear end of the seat body 1.
As shown in fig. 1, a connecting flange 5 for mounting an angular displacement sensor 4 is arranged at the front end of a base body 1, a through hole 6 is formed in the middle of the connecting flange 5, and an input shaft 7 of the angular displacement sensor 4 passes through the through hole 6 and then is coaxially connected with a connecting shaft 3 through a transmission assembly.
The front end outside of pedestal 1 has the external screw thread, and threaded connection has locking swivel nut 8 on this external screw thread, and the front end of locking swivel nut 8 has clamp ring 81, and this clamp ring 81 can compress tightly flange 5 at the front end of pedestal 1. Specifically, as shown in fig. 1, an annular limiting groove 9 is formed between the connecting flange 5 and the angular displacement sensor 4, the compression ring 81 is limited in the annular limiting groove 9, and the width of the annular limiting groove 9 is greater than the thickness of the compression ring 81.
Because the width of annular spacing groove 9 is greater than the thickness of clamp ring 81, guarantee clamp ring 81 can freely rotate in annular spacing groove 9. The annular limiting groove 9 can prevent the locking threaded sleeve 8 from falling off from the connecting flange 5 and the angular displacement sensor 4, and loss of parts is avoided. During installation, the locking threaded sleeve 8 is assembled in the annular limiting groove 9 of the connecting flange 5, then the connecting flange 5 is fixed on the angular displacement sensor 4 through bolts, and then the connecting flange is connected with the base body 1 through the locking threaded sleeve 8.
During installation, the angular displacement sensor 4 is fixed on the connecting flange 5 through a bolt, and then the connecting flange 5 is fixed on the seat body 1 through the locking threaded sleeve 8, so that the quick connection and disassembly of the connecting flange 5 and the seat body 1 are realized. The angular displacement sensor 4 is equipped with the screw hole in its one end that is close to the output shaft when leaving the factory, and the cooperation bolt can realize being connected of angular displacement sensor 4 and flange 5, from this, when being connected with flange 5, need not to carry out secondary operation to angular displacement sensor 4.
As shown in fig. 1, the transmission assembly includes a slot 10 disposed at one end of the input shaft 7 of the angular displacement sensor 4 close to the connecting shaft 3 and a tab 11 disposed on the connecting shaft 3 for inserting into the slot 10, wherein the width of the slot 10 is equal to the thickness of the tab 11, and the slot 10 extends along the radial direction of the input shaft 7.
During connection, the angular displacement sensor 4 is rotated to a proper position, the slot 10 is just opposite to the insertion piece 11, then the connecting flange 5 is connected to the seat body 1 through the locking threaded sleeve 8, the insertion piece 11 is gradually inserted into the slot 10 in the connection process, and the connecting shaft 3 is coaxially and fixedly connected with the input shaft 7 through the insertion piece 11 and the slot 10. During operation, the connecting shaft 3 rotates, the input shaft 7 of the angular displacement sensor 4 rotates under the action of the inserting piece 11 and the slot 10, and the feedback of the position of the rotating angle is realized.
In some other embodiments, the insertion piece 11 is axially and slidably matched with the connecting shaft 3, a spring 12 for driving the insertion piece 11 to move towards the slot 10 all the time is arranged between the insertion piece 11 and the connecting shaft 3, and a circumferential limiting structure is arranged between the insertion piece 11 and the connecting shaft 3. As shown in fig. 1, the circumferential limiting structure includes a guide groove 13 extending along the length direction of the connecting shaft 3 and a limiting portion 14 sliding-fitted with the guide groove 13 and disposed on the insertion sheet 11, the guide grooves 13 are two and oppositely arranged, the limiting portion 14 is two and is matched with the guide groove 13 one by one, and the thickness of the limiting portion 14 is equal to the width of the guide groove 13. Can carry out circumference spacing to inserted sheet 11 through two spacing portions 14 and guide way 13, because two guide ways 13 set up relatively, improved connection stability, guaranteed the measuring accuracy.
When the angular displacement sensor 4 is installed on the seat body 1, the slot 10 can not be aligned with the insertion sheet 11 accurately, at the moment, after the angular displacement sensor 4 is installed in place, the connecting shaft 3 can be driven to rotate, the insertion sheet 11 is driven to rotate under the action of the circumferential limiting structure, and when the insertion sheet 11 rotates to be aligned with the slot 10, the insertion sheet 11 can be inserted into the slot 10 under the action of the spring 12.
As shown in fig. 1, the spring 12 is fitted over the connecting shaft 3, and the front end of the spring 12 abuts against the stopper portion 14. The spring 12 abuts against the two limiting parts 14 at the same time, so that the movement direction of the inserting piece 11 is always the same along the length direction of the connecting shaft 3.
As shown in fig. 1, the connecting shaft 3 has a limit boss 15, and the rear end of the spring 12 abuts against the limit boss 15. Due to the limiting boss 15, the spring 12 and the seat body 1 can be prevented from being rubbed, and the testing precision is improved. Through this spacing boss 15, can also realize connecting axle 3 and the axial positioning of bearing 2.
On the premise of not changing the structure of the angular displacement sensor 4, the installation of the connecting flange 5 is realized by utilizing the self threaded hole of the angular displacement sensor 4, and the connecting flange is connected with the base body 1 through the locking threaded sleeve 8, so that the connecting and the dismounting are facilitated, and the replacement and the maintenance of the angular displacement sensor 4 are facilitated; the spring 12 can make the insertion piece 11 and the slot 10 of the input shaft 7 of the angular displacement sensor 4 quickly matched, the transmission effect is good, meanwhile, the connection between the connecting shaft 3 and the input shaft 7 is conveniently realized after the angular displacement sensor 4 is installed, and the blind operation is facilitated.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (9)
1. The utility model provides an angle displacement sensor mount pad, is including pedestal (1), the coaxial bearing (2) of locating in pedestal (1) that are the tube-shape and coaxial connecting axle (3) of locating in bearing (2), its characterized in that, the one end that connecting axle (3) were kept away from in pedestal (1) is equipped with flange (5) that are used for installing angle displacement sensor (4), flange (5)'s middle part has through-hole (6), pass through transmission assembly and connecting axle (3) coaxial coupling behind through-hole (6) in input shaft (7) of angle displacement sensor (4), flange (5) are connected with pedestal (1) through locking swivel nut (8).
2. The mounting for an angular displacement sensor according to claim 1, characterized in that the end of the base body (1) remote from the connecting shaft (3) has an external thread, to which the locking nut (8) is screwed, the end of the locking nut (8) remote from the connecting shaft (3) having a clamping ring (81) for clamping the connecting flange (5) against the base body (1).
3. The angular displacement sensor mount according to claim 2, wherein an annular limiting groove (9) is formed between the connecting flange (5) and the angular displacement sensor (4), the compression ring (81) is limited in the annular limiting groove (9), and the width of the annular limiting groove (9) is greater than the thickness of the compression ring (81).
4. The mounting seat of angular displacement sensor according to claim 1, wherein the transmission assembly comprises a slot (10) provided on one end of the input shaft (7) of the angular displacement sensor (4) close to the connecting shaft (3) and a tab (11) provided on the connecting shaft (3) for inserting into the slot (10), the width of the slot (10) being equal to the thickness of the tab (11).
5. The angular displacement sensor mount of claim 4, wherein the slot (10) extends radially along the input shaft (7).
6. The mounting seat of the angular displacement sensor according to claim 5, wherein the insertion piece (11) is axially and slidably matched with the connecting shaft (3), a spring (12) used for driving the insertion piece (11) to move towards the slot (10) all the time is arranged between the insertion piece (11) and the connecting shaft (3), and a circumferential limiting structure is arranged between the insertion piece (11) and the connecting shaft (3).
7. The angular displacement sensor mounting seat according to claim 6, wherein the circumferential limiting structure comprises a guide groove (13) formed in the connecting shaft (3) and extending along the length direction of the connecting shaft, and a limiting portion (14) formed in the insertion piece (11) and slidably engaged with the guide groove (13), the guide grooves (13) are two and are arranged oppositely, the limiting portions (14) are two and are engaged with the guide grooves (13) one by one, and the thickness of the limiting portion (14) is equal to the width of the guide groove (13).
8. The angular displacement sensor mounting seat according to claim 7, wherein the spring (12) is sleeved on the connecting shaft (3), and one end of the spring (12) close to the insertion sheet (11) abuts against the limiting part (14).
9. The mounting seat of angular displacement sensor according to claim 7, characterized in that, there is a limit boss (15) on the connecting shaft (3), and the end of the spring (12) far away from the insertion sheet (11) is abutted against the limit boss (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023157320.8U CN214121131U (en) | 2020-12-24 | 2020-12-24 | Angular displacement sensor mounting base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023157320.8U CN214121131U (en) | 2020-12-24 | 2020-12-24 | Angular displacement sensor mounting base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214121131U true CN214121131U (en) | 2021-09-03 |
Family
ID=77514238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023157320.8U Active CN214121131U (en) | 2020-12-24 | 2020-12-24 | Angular displacement sensor mounting base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214121131U (en) |
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2020
- 2020-12-24 CN CN202023157320.8U patent/CN214121131U/en active Active
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