CN216621557U - Split type torque sensor easy to overhaul - Google Patents
Split type torque sensor easy to overhaul Download PDFInfo
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- CN216621557U CN216621557U CN202123291387.5U CN202123291387U CN216621557U CN 216621557 U CN216621557 U CN 216621557U CN 202123291387 U CN202123291387 U CN 202123291387U CN 216621557 U CN216621557 U CN 216621557U
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- torque sensor
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Abstract
The utility model discloses a split type easy-to-overhaul torque sensor, which comprises a flange base, a sleeve and an elastic column, two straight tooth plates are arranged on the inner wall of the movable cavity of the sleeve, the bottom ends of the elastic columns are inserted in a polygonal slot at the center of the bottom bearing through a polygonal insertion block, is used for fixedly connecting the elastic column and the bottom bearing, and simultaneously, the bottom bearing is matched with the rotating bearing to rotate the torque generated when the elastic column runs, the elastic reset acting force of the spring is matched to push the straight toothed plate to reset, the blocking probability of the elastic column due to repeated use is reduced, the elastic column is arranged in the sleeve, the bottom end of the sleeve is matched with the clamping groove on the flange base through the clamping ring and is locked through the screw, when the elastic column is blocked or damaged, dismantle the back through dismantling the sleeve from the flange base to the elastic column, when reducing the maintenance cost to the sensor, easily overhaul the operation to the sensor.
Description
Technical Field
The utility model belongs to the technical field of sensors, and particularly relates to a split type torque sensor easy to maintain.
Background
At present, a strain torque sensor is widely applied to a torque sensor and a calibration tester of a torque wrench, and is a quality control device, the torque sensor generally adopts a structure with flanges at two ends in structure, or the other end of one end of the flange is a polygonal structure with a quadrilateral shape or more than four sides, the middle part of the flange is processed into a cylindrical structure, and a resistance strain gauge is adhered to the cylindrical surface, the structure generally adopts an integrated structure, the processing allowance and the material blank loss are large, a new elastic column structure needs to be designed to realize small blank material loss and small processing allowance, the cost performance of a product is improved, the strain torque sensor also has strong practical significance for creating an energy-saving society, the torque sensor can generate the problem of resetting and blocking after long-term use, and the torque sensor is of the integrated structure, and can generate detection data errors during blocking and only can be replaced, the maintenance cost is high.
Therefore, in the prior art, in order to conveniently overhaul the sensor and reduce the cost of the sensor, the split type strain torque sensor with the bulletin number of "CN 208155491U" comprises an elastic column, a strain gauge which is arranged on a sleeve outside the elastic column and on the elastic column and used for measuring a torque signal, wherein a flange base is arranged at the lower end of the elastic column, the elastic column and the flange base adopt a split design, the lower ends of the sleeve and the elastic column are respectively fixed on the flange base, and a counter bore convenient for mounting and positioning the sensor is arranged at the center of the upper end of the elastic column.
To above-mentioned this split type torque sensor that meets an emergency, it is spacing to prevent changeing through elasticity post and flange chassis realization, elasticity post and bearing cooperation are used for elasticity post radial spacing and reduce the elasticity post receive torsional deformation back and sleeve between the frictional force, realize promoting torque sensor precision grade and can be used to torque sensor, the calibration of moment of torsion wrench, and measurement accuracy is high, long service life's purpose, but because elasticity post and flange base are cup jointed, when using, the moment of torsion transmission response is realized with the bearing cooperation to elasticity post, the bottom of elasticity post is fixed for pegging graft with the flange base, the moment of torsion that has restricted the elasticity post to a certain extent rotates, thereby the detection precision of sensor has been reduced, also have certain influence to the restoration of elasticity post.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a split type easy-to-overhaul torque sensor to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a split type easy-to-maintain torque sensor comprises a flange base, a sleeve and an elastic column, wherein two straight tooth plates are arranged on the inner wall of a movable cavity of the sleeve, and two springs at the left end and the right end of each straight tooth plate are fixedly connected with opposite surfaces of the inner wall of the movable cavity respectively;
a polygonal slot is formed in the middle of a bottom bearing in the central embedded slot of the flange base, a polygonal insertion block at the bottom end of the elastic column penetrates through a rotating bearing at the top end of the sleeve to be inserted into the polygonal slot, and teeth on the outer wall of the elastic column are respectively meshed with tooth grooves on the inner side of the straight tooth plate;
the rand joint of sleeve bottom is in the draw-in groove of flange base top surface, the screw of flange base bottom surface runs through flange base and rand interior spiro union.
Furthermore, the outer edge of the flange base is provided with an L-shaped installation slot with a screw hole at the tail end.
When the installation trench that is the L type is used for fixing flange base on equipment, through the bolt fastening spiro union of screw to the mounting flange base, when needs are dismantled flange base, only need not hard up the bolt, make the body of rod position on the bolt through the installation trench roll-off of L type can.
Furthermore, a limiting column inserted with the bottom end of the polygonal insertion block is arranged in the polygonal insertion groove, and a rubber sleeve which is thick in the middle and thin in two ends is arranged on the outer wall of the limiting column.
Spacing post is used for pegging graft with the polygon inserted block bottom of elasticity column bottom to rise through the thick position in rubber sleeve middle part and rise in the bottom of elasticity post, be used for fixed elasticity column bottom and bottom bearing, and when needs are dismantled elasticity post and bottom bearing, only need make when dismantling the sleeve power to the elasticity post extract from the polygon slot can realize the separation to elasticity post and flange base in the elasticity post.
Furthermore, the outer wall of the elastic column is provided with an annular limiting edge for limiting the top end and the bottom end of the straight toothed plate.
The annular limiting edge is used for limiting the position of the straight toothed plate and the elastic column in a meshing transmission reset mode and has the function of limiting the elastic column in the movable cavity.
Furthermore, two groups of straight tooth plates are respectively meshed with two opposite sides of the elastic column.
The two groups of straight tooth plates are staggered according to the torque direction when the elastic column is used through the matching of the springs, and are used for resetting the twisting induction force of the elastic column in a matching manner, so that the problem that the elastic column is blocked due to the acting force of torque twisting is avoided.
Furthermore, the screw head at the top end of the screw is a counter bore and is arranged in a groove on the bottom surface of the flange base.
The screw is used for the fixed of flange base and sleeve bottom, and the spiral shell head counter bore on screw top is with the cooperation of flange base, avoids spiral shell head protrusion flange base to influence the steady of flange pedestal mounting.
Compared with the comparison file, the utility model has the following technical effects and advantages:
1. according to the split type easy-to-overhaul torque sensor, the elastic column is arranged inside the sleeve, the bottom end of the sleeve is matched with the clamping groove in the flange base through the clamping ring and is locked through the screw, so that when the elastic column is blocked or damaged, the sleeve is disassembled from the flange base and then the elastic column is disassembled, the overhaul cost of the sensor is reduced, and meanwhile, the overhaul operation of the sensor is facilitated;
2. the bottom of elasticity post is passed through the polygon inserted block and is pegged graft in the polygon slot at bottom bearing center, when being used for to elasticity post and bottom bearing fixed connection, the torque fit that produces when moving the elasticity post through bottom bearing cooperation rotary bearing rotates, and the movable cavity sets up the straight-teeth board that resets through the spring fit on the sleeve, when being used for producing the moment of torsion effort at elasticity post atress, the straight-teeth board moves along with the wrench movement of elasticity post and the tooth meshing of elasticity post outer wall, the spring is to the left and right sides elastic support of pinion rack, be used for when the elasticity post resets, the elasticity effort of resetting through the spring pushes away to reset to the pinion rack, thereby realize resetting through the straight-teeth board and rotate to the elasticity post and reset, reduce the elasticity post and appear the card probability because of using repeatedly, thereby improve sensor life.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a flange base structure according to the present invention;
fig. 3 is a schematic cross-sectional view of the elastic column and the spur plate of the present invention.
In the figure: 1. a flange base; 2. a sleeve; 3. an elastic column; 4. a movable cavity; 5. a spur plate; 6. a spring; 7. a bottom bearing; 8. a polygonal slot; 9. a polygonal insert block; 10. a rotating bearing; 11. teeth; 12. a collar; 13. a card slot; 14. a screw; 15. a screw hole; 16. installing a slot position; 17. a limiting column; 18. a rubber sleeve; 19. an annular limiting edge; 20. and (4) a groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a split type easy-to-overhaul torque sensor as shown in figures 1-3, which comprises a flange base 1, a sleeve 2 and an elastic column 3, wherein two straight tooth plates 5 are arranged on the inner wall of a movable cavity 4 of the sleeve 2, and two springs 6 at the left end and the right end of each straight tooth plate 5 are respectively fixedly connected with the opposite surfaces of the inner wall of the movable cavity 4;
the bottom bearing 7 center in the flange base 1 center embedded groove is equipped with polygon slot 8, the polygon inserted block 9 of 3 bottoms of elasticity post runs through the rolling bearing 10 on 2 tops of sleeve and pegs graft with polygon slot 8, be equipped with the spacing post 17 of pegging graft with polygon inserted block 9 bottom in the polygon slot 8, the outer wall of spacing post 17 is equipped with and is the thin rubber sleeve 18 in thick both ends in the middle of being. The limiting column 17 is used for being inserted into the bottom end of the polygonal insertion block 9 at the bottom end of the elastic column 3, is tightly tensioned in the polygonal insertion block 9 through a thick position in the middle of the rubber sleeve 18, is used for fixing the bottom end of the elastic column 3 and the bottom bearing 7, and can separate the elastic column 3 from the flange base 1 only by pulling out the elastic column 3 from the polygonal insertion groove 8 by force when the sleeve 2 is disassembled when the elastic column 3 and the bottom bearing 7 are required to be disassembled;
the teeth 11 on the outer wall of the elastic column 3 are respectively meshed with the tooth grooves on the inner side of the straight toothed plate 5, and the outer wall of the elastic column 3 is provided with annular limiting edges 19 for limiting the top end and the bottom end of the straight toothed plate 5. The annular limiting edge 19 is used for limiting the position of the straight toothed plate 5 and the elastic column 3 in a meshing transmission reset mode, has the function of limiting the elastic column 3 in the movable cavity 4, and the two groups of straight toothed plates 5 are respectively meshed with two opposite sides of the elastic column 3. The two groups of straight tooth plates 5 are staggered according to the torque direction when the elastic column 3 is used through the cooperation of the springs 6, and are used for resetting the twisting induction force of the elastic column 3 in a matched manner, so that the problem that the elastic column 3 is blocked due to the acting force of torque twisting is avoided;
The outer edge of the flange base 1 is provided with an L-shaped mounting groove 16 with a screw hole 15 at the tail end. When being used for fixing flange base 1 on equipment through the installation trench 16 that is the L type, through the bolt fastening spiro union of screw 15 to mounting flange base 1, when needs are dismantled flange base 1, only need not hard up the bolt, make the body of rod position on the bolt through the installation trench 16 roll-off of L type can.
According to the split type easy-to-overhaul torque sensor, the bottom end of the elastic column 3 is inserted into the polygonal slot 8 in the center of the bottom bearing 7 through the polygonal insertion block 9, and is used for rotating in a matched manner through the torque generated when the elastic column 3 runs and the bottom bearing 7 when the elastic column 3 is fixedly connected with the bottom bearing 7 and the bottom bearing 10 is matched with the bottom bearing 7;
the upper movable cavity 4 of the sleeve 2 is internally provided with a straight toothed plate 5 which is reset through a spring 6 in a matching way, when the elastic column 3 is stressed to generate torque acting force, the straight toothed plate 5 is meshed with teeth 11 on the outer wall of the elastic column 3 along with the twisting of the elastic column 3 to move, the spring 6 elastically supports the left side and the right side of the straight toothed plate 5 and is used for pushing the straight toothed plate 5 to reset through the elastic resetting acting force of the spring 6 when the elastic column 3 is reset, so that the elastic column 3 is rotationally reset through the resetting of the straight toothed plate 5, the blocking probability of the elastic column 3 due to repeated use is reduced, and the service life of the sensor is prolonged;
inside sleeve 2 was located to elastic column 3, 2 bottoms of sleeve are passed through rand 12 and flange base 1 on draw-in groove 13 cooperation and are locked through screw 14, be convenient for appear blocking when the elastic column 3 or damage, dismantle elastic column 3 through dismantling the back with sleeve 2 from flange base 1, when reducing the maintenance cost to the sensor, easily overhaul the operation to the sensor.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a split type torque sensor that easily overhauls, includes flange base (1), sleeve (2), elasticity post (3), its characterized in that: two straight tooth plates (5) are arranged on the inner wall of the movable cavity (4) of the sleeve (2), and two springs (6) at the left end and the right end of each straight tooth plate (5) are respectively and fixedly connected with the opposite surfaces of the inner wall of the movable cavity (4);
a polygonal slot (8) is formed in the center of a bottom bearing (7) embedded in a slot in the center of the flange base (1), a polygonal insertion block (9) at the bottom end of the elastic column (3) penetrates through a rotary bearing (10) at the top end of the sleeve (2) to be inserted into the polygonal slot (8), and teeth (11) on the outer wall of the elastic column (3) are respectively meshed with tooth grooves in the inner side of the straight tooth plate (5);
rand (12) joint in draw-in groove (13) of flange base (1) top surface of sleeve (2) bottom, screw (14) of flange base (1) bottom surface run through in flange base (1) and rand (12) spiro union.
2. The split serviceable torque sensor of claim 1, wherein: the flange base is characterized in that an L-shaped mounting groove (16) with a screw hole (15) at the tail end is formed in the outer edge of the flange base (1).
3. The split serviceable torque sensor of claim 1, wherein: be equipped with spacing post (17) of pegging graft with polygon inserted block (9) bottom in polygon slot (8), the outer wall of spacing post (17) is equipped with and is thick both ends thin rubber sleeve (18) in the middle.
4. The split serviceable torque sensor of claim 1, wherein: the outer wall of the elastic column (3) is provided with an annular limiting edge (19) for limiting the top end and the bottom end of the straight toothed plate (5).
5. The split serviceable torque sensor of claim 1, wherein: the two groups of straight tooth plates (5) are respectively meshed with two opposite sides of the elastic column (3).
6. The split serviceable torque sensor of claim 1, wherein: the screw head at the top end of the screw (14) is counter bored in a groove (20) on the bottom surface of the flange base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123291387.5U CN216621557U (en) | 2021-12-25 | 2021-12-25 | Split type torque sensor easy to overhaul |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123291387.5U CN216621557U (en) | 2021-12-25 | 2021-12-25 | Split type torque sensor easy to overhaul |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216621557U true CN216621557U (en) | 2022-05-27 |
Family
ID=81684597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123291387.5U Active CN216621557U (en) | 2021-12-25 | 2021-12-25 | Split type torque sensor easy to overhaul |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216621557U (en) |
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2021
- 2021-12-25 CN CN202123291387.5U patent/CN216621557U/en active Active
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