CN220018569U - Encoder support of adjustable pressure - Google Patents

Abstract

The utility model discloses a pressure-adjustable encoder support, which comprises an encoder, a meter wheel, an adjusting mechanism, a fixed seat and a rotating arm, wherein a first shaft hole is formed in the left side of the rotating arm, a second shaft hole is formed in the right side of the rotating arm, the first shaft hole is provided with the encoder, the encoder is fixedly connected with the meter wheel through a screw, the second shaft hole is provided with the adjusting mechanism, the adjusting mechanism consists of a shell, a shaft, a torsion spring, an adjusting disc and a rotating disc, the shell is fixedly connected with the rotating arm through welding, the rotating arm is provided with a first groove, the second shaft hole is used as the center, and the rotating disc is arranged in the first groove. According to the utility model, the adjusting disc is rotated and fixed with the shaft through the screw, so that the torsion spring generates angular rebound and acts on the rotating arm, the measuring accuracy of the encoder is ensured, the shell protects the torsion spring from being influenced by the environment, and the product has the advantages of good environmental tolerance, improved measuring accuracy, good axial structure continuity and the like.

Description

Encoder support of adjustable pressure

Technical Field

The utility model relates to the technical field of electronic element supports, in particular to a pressure-adjustable encoder support.

Background

An encoder is a device that compiles, converts, or communicates, or transmits signals or data into a form that can be used to communicate or communicate stored signals. The encoder converts angular displacement, referred to as a code wheel, or linear displacement, referred to as a code scale, into an electrical signal. The installation and readout mode encoders can be divided into two types, namely contact type and non-contact type; encoders can be classified into incremental and absolute types according to the operating principle. The incremental encoder converts the displacement into a periodic electrical signal, and then converts the electrical signal into technical pulses, the number of the pulses is used for representing the size of the displacement, and each position of the absolute encoder corresponds to a determined digital code, so that the indication value of the absolute encoder is only related to the starting position and the ending position of the measurement and is not related to the middle process of the measurement.

In the use process, a bracket is generally needed to be added for ensuring the stable and reliable work of the encoder, the encoder bracket is composed of an adjusting disc, a spring and a screw for adapting to more complex installation environments and needing to be added for different working environments, under the long-term operation, a technician discovers that the spring in the encoder bracket is exposed in the environment for a long time and can also be subjected to vibration continuously transmitted by the surface profile error when the meter wheel is contacted with a measuring surface, the surface profile is a measuring index of the curved surface dimensional accuracy, the conditions of oxidation, rust spots, cracks in the spring body, performance reduction and the like appear, the pressure applied to the encoder is gradually reduced along with the increase of the service time, and the measuring accuracy of the encoder is greatly reduced.

The inventors have thus devised an advantageous design to find a solution to the above-mentioned problems, and the technical solutions described below are created in this context.

Disclosure of Invention

The present utility model is directed to an encoder bracket with adjustable pressure, which solves the above-mentioned problems.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides an encoder support of adjustable pressure, includes encoder, meter rice wheel, adjustment mechanism, fixing base, rotating arm, the left side of rotating arm is equipped with first shaft hole, and the right side is equipped with the second shaft hole, first shaft hole is equipped with the encoder, the encoder passes through screw and meter rice wheel connection fixed, the second shaft hole is equipped with adjustment mechanism, adjustment mechanism comprises casing, axle, torsional spring, regulating disk, carousel, the casing passes through welding and is connected fixedly with the rotating arm, the rotating arm is equipped with first recess, and uses the second shaft hole as the center, first recess is equipped with the carousel, the inside guide sleeve and the pipeline of being equipped with of casing, the guide sleeve is fixed with the pipe connection, the pipeline is inside to be equipped with the torsional spring, the axle passes the torsional spring and sets up in guide sleeve, the position that the axle is close to one end is equipped with the second recess to with the carousel contact, the regulating disk passes through screw and the hub connection fixed, the one end and the torsional spring is connected fixedly with the pipe, the other end and the carousel is connected fixedly, and acts on the rotating arm, be equipped with the shaft hole, the axle sets up in the shaft hole.

Preferably, the adjusting disk comprises a fixed ring, a shaft collar and a plug ring, the fixed ring and the shell keep a certain distance, the curved surface of the fixed ring is provided with opposite fixed holes, the fixed ring is connected with the shaft collar, the shaft collar is connected with the plug ring, the plug ring is arranged inside a pipeline and is in contact with the torsion spring, the end face of the plug ring is provided with a second plug hole, the connecting mode of the fixed ring, the shaft collar and the plug ring is formed by integral die casting, and the center point is provided with a perforation.

Preferably, the diameter of the shaft corresponds to the diameter of the perforated, guide sleeve.

Preferably, the other end of the shell is provided with a supporting guide ring, the diameter of the supporting guide ring is consistent with that of the collar, and the collar is arranged on the supporting guide ring.

Preferably, the torsion spring is provided with a first spring coil and a second spring coil, and the second spring coil is arranged at the second bolt hole.

Preferably, the diameter of the pipeline is larger than that of the shaft, and a first bolt hole is formed in the end face of the pipeline and is provided with a first spring coil.

Preferably, a through hole is formed in the center point of the rotary disc, the diameter of the through hole is consistent with that of the shaft, and the rotary disc is provided with a protruding supporting block, and the protruding supporting block is in contact with the second groove.

The beneficial effects are that:

compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, the adjusting disc is rotated in the anticlockwise direction, the second bolt hole drives the second spring coil to move, so that the torsion spring generates certain angular rebound, and after the adjusting disc is fixed with the shaft through the screw, the angular rebound acts on the rotating arm, so that the meter counting wheel is tightly attached to the measuring surface, the measuring error caused by insufficient pressure is reduced, and the design has the advantage of improving the measuring precision.

(2) According to the utility model, the second shaft hole is arranged, and the second shaft hole is taken as a central point, so that the shaft sequentially passes through the through hole of the turntable, the guide sleeve and the perforation of the adjusting disk, the shaft can stably run on the central line of the hole position of the second shaft hole, the continuity of the axial structure is improved, and the transmission measurement accuracy is ensured.

(3) According to the utility model, the pipeline and the guide sleeve are arranged in the shell, the guide sleeve enables the shaft to rotate stably in the direction of the central line, the shaft is protected from being influenced by environment and other human factors, the torsion spring is arranged in the pipeline, the torsion spring is protected from being influenced by the environment factors, the anti-interference performance is greatly improved, the corrosion of the environment to the torsion spring is reduced, the service life of the torsion spring is prolonged, and the product has good environmental tolerance.

Drawings

FIG. 1 is a schematic diagram of an encoder bracket with adjustable pressure according to the present utility model;

FIG. 2 is an exploded view of the structure of an adjustable pressure encoder bracket of the present utility model;

FIG. 3 is a schematic side cross-sectional view of an adjustment mechanism of an adjustable pressure encoder bracket of the present utility model;

FIG. 4 is a schematic diagram of a torsion spring structure of an encoder bracket with adjustable pressure according to the present utility model;

the correspondence between the reference numerals and the component names in the drawings is as follows:

reference numerals: 1. an encoder; 2. a meter wheel; 3. an adjusting mechanism; 4. a fixing seat; 5. a rotating arm;

31. a housing; 32. a shaft; 33. a torsion spring; 34. an adjusting plate; 35. a turntable;

41. a shaft hole;

51. a first shaft hole; 52. a second shaft hole; 53. a first groove;

311. a guide sleeve; 312. a pipe; 313. supporting a guide ring;

321. a second groove;

331. a first coil; 332. a second coil;

341. a fixing ring; 342. a collar; 343. a plug ring; 344. perforating;

351. a through hole; 352. protruding the supporting block;

3121. a first pin hole;

3411. a fixing hole;

3431. and a second pin hole.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 4, an encoder bracket capable of adjusting pressure comprises an encoder 1, a meter wheel 2, an adjusting mechanism 3, a fixed seat 4 and a rotating arm 5, wherein a first shaft hole 51 is arranged on the left side of the rotating arm 5, a second shaft hole 52 is arranged on the right side of the rotating arm 5, the first shaft hole 51 is provided with the encoder 1, the encoder 1 is fixedly connected with the meter wheel 2 through a screw, the second shaft hole 52 is provided with the adjusting mechanism 3, the adjusting mechanism 3 consists of a shell 31, a shaft 32, a torsion spring 33, an adjusting disc 34 and a rotating disc 35, the shell 31 is fixedly connected with the rotating arm 5 through welding, the rotating arm 5 is provided with a first groove 53, the second shaft hole 52 is used as a center, the first groove 53 is provided with the rotating disc 35, a guide sleeve 311 and a pipeline 312 are arranged inside the shell 31, the guide sleeve 311 is fixedly connected with the pipeline 312, the torsion spring 33 is arranged inside the pipeline 312, the shaft 32 passes through the torsion spring 33 and is arranged on the guide sleeve 311, a position of the shaft 32 close to one end is provided with the second groove 321 and is contacted with the rotating disc 35, the adjusting disc 34 is fixedly connected with the torsion spring 33 through the screw, the other end of the torsion spring 33 is fixedly contacted with the torsion spring 33, the other end of the torsion spring 312 is fixedly connected with the rotating disc 312, the rotating disc is fixedly connected with the rotating disc 4 and acts on the rotating disc 4, the rotating disc 41 is fixedly connected with the rotating arm 5, and the rotating disc 41 is fixedly connected with the rotating shaft hole 41, 41 is arranged on the rotating shaft hole 41, 41;

it should be noted that the adjusting disk 34 is composed of a fixed ring 341, a collar 342 and a plug ring 343, the fixed ring 341 keeps a certain distance from the shell 31, the curved surface of the fixed ring 341 is provided with opposite fixed holes 3411, the fixed ring 341 is connected with the collar 342, the collar 342 is connected with the plug ring 343, the plug ring 343 is arranged inside the pipe 312 and is contacted with the torsion spring 33, the end face of the plug ring 343 is provided with a second bolt hole 3431, the fixed ring 341, the collar 342 and the plug ring 343 are connected in an integral die-casting way, the center point is provided with a through hole 344, the fixed ring 341 plays a role of connecting and fixing with the shaft 32, the collar 342 is matched with the supporting guide ring 313 for use, the through hole 344 is matched with the shaft 32 for play of axial structural continuity, the fixed hole 3411 is provided with a screw, the adjusting disk 34 can be fixed with the shaft 32, and the second bolt hole 3431 is matched with the second spring ring 332 for use;

it should be noted that the diameter of the shaft 32 is consistent with the diameters of the perforation 344 and the guide sleeve 311, so that the shaft 32 can rotate smoothly in the perforation 344 and the guide sleeve 311;

it should be noted that, the other end of the housing 31 is provided with a supporting guide ring 313, the diameter of the supporting guide ring 313 is consistent with that of the collar 41, the collar 41 is arranged on the supporting guide ring 313, the supporting guide ring 313 is matched with the collar 342 to rotate, so that the collar 342 forms a central line with the second shaft hole 52, the guide sleeve 311 and the pipeline 312, the stable rotation of the shaft 32 is ensured, and the measurement error is reduced;

it should be noted that the torsion spring 33 is provided with a first spring coil 331 and a second spring coil 332, the second spring coil 332 is disposed in the second bolt hole 3431, and the second spring coil 332 rotates counterclockwise with the torsion spring 33 itself as a center line, so that the torsion spring 33 generates angular rebound;

it should be noted that, the diameter of the pipe 312 is larger than that of the shaft 32, the end face of the pipe 312 is provided with a first bolt hole 3121, the first bolt hole 3121 is provided with a first spring coil 331, and the inside of the pipe 312 is provided with not only the shaft 32 but also the torsion spring 33, so that the diameter of the pipe is required to be larger than that of the shaft 32 and the torsion spring 33, and the first bolt hole 3121 is matched with the first spring coil 331 to play a role of fixing the torsion spring 33;

it should be noted that, the center point of the turntable 35 is provided with a through hole 351, the diameter of the through hole 351 is consistent with the diameter of the shaft 32, the turntable 35 is provided with a protruding supporting block 352, the protruding supporting block 352 is contacted with the second groove 321, the distance between the adjusting disc 34 and the shell 31 is reduced by pushing the adjusting disc 34, the plug ring 343 presses the torsion spring 33 to reduce the gap between the coils, the adjusting disc 34 is fixed with the shaft 32 by a screw, the counter force released by the torsion spring 33 pushes the adjusting disc 34 to press in the opposite direction, and then the shaft 32 is tightly contacted with the protruding supporting block 352, so that the turntable 35 is firmly fixed on the first groove 53.

The principle of use of the utility model will now be described as follows:

the fixed seat 4 is fixedly arranged on a stable supporting object, the meter wheel 2 is placed on a measuring surface, the adjusting disc 34 is rotated anticlockwise, the second bolt hole 3431 drives the second spring coil 332 to move, the torsion spring 33 generates certain angle rebound, after adjustment is completed, the screw is placed in the fixed hole 3411, the fixed hole 3411 is designed in opposition, the axle 32 is ensured to be positioned at the center point of the perforation 344 after installation, at the moment, the angle rebound acts on the rotating arm 5, the meter wheel 2 is tightly attached to the measuring surface, the friction force with the measuring surface is increased, the measuring accuracy is ensured, when the measuring surface does not stop moving, the meter wheel 2 rotates to drive the encoder 1 to perform measuring work, the surface profile transmitted by the measuring surface enables the meter wheel 2 to vibrate up and down by taking the axle 32 as the center point, the vibration is conducted to parts connected with the axle 32 through the rotating arm 5, the vibration is damped through the torsion spring 33, the service life of other parts is prolonged, the torsion spring 33 is arranged in the pipeline 312, the torsion spring 33 is protected from being influenced by environmental factors, the anti-interference performance is greatly improved, the corrosion of the environment is reduced, and the service life of the torsion spring 33 is prolonged.

The shaft 32 sequentially passes through the through hole 351 of the turntable 35, the guide sleeve 311 and the through hole 344 of the adjusting disk 34 by taking the second shaft hole 52 as a center point, so that the shaft 32 can stably run by taking the center line of the second shaft hole 52, the continuity of the axial structure is improved, and the transmission measurement accuracy is ensured.

Through the design scheme, the product has the advantages of good environmental tolerance, measurement accuracy improvement and convenience in adjustment.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims (7)

1. An encoder support of adjustable pressure, characterized in that: including encoder (1), meter rice wheel (2), adjustment mechanism (3), fixing base (4), rotating arm (5), the left side of rotating arm (5) is equipped with first shaft hole (51), and the right side is equipped with second shaft hole (52), first shaft hole (51) are equipped with encoder (1), encoder (1) are fixed through screw and meter rice wheel (2) connection, second shaft hole (52) are equipped with adjustment mechanism (3), adjustment mechanism (3) are by casing (31), axle (32), torsional spring (33), regulating disk (34), carousel (35) are constituteed, casing (31) are connected fixedly through welding with rotating arm (5), rotating arm (5) are equipped with first recess (53), and regard second shaft hole (52) as the center, first recess (53) are equipped with carousel (35), the inside guide sleeve (311) and pipeline (312) that are equipped with of casing (31), guide sleeve (311) are connected fixedly with pipeline (312), be equipped with in pipeline (312) inside torsional spring (33), axle (31) are passed in the setting up in second recess (311) and are close to the position of carousel (35), the adjusting disc (34) is fixedly connected with the shaft (32) through a screw, the adjusting disc (34) is in contact with the torsion spring (33), one end of the torsion spring (33) is fixedly connected with the pipeline (312), the other end of the torsion spring is fixedly connected with the adjusting disc (34) and acts on the rotating arm (5), the fixing seat (4) is provided with the shaft hole (41), and the shaft (32) is arranged in the shaft hole (41).

2. The adjustable pressure encoder bracket of claim 1, wherein: the adjusting disc (34) comprises a fixed ring (341), a shaft collar (342) and a plug ring (343), the fixed ring (341) is kept at a certain distance from the shell (31), a curved surface of the fixed ring (341) is provided with opposite fixed holes (3411), the fixed ring (341) is connected with the shaft collar (342), the shaft collar (342) is connected with the plug ring (343), the plug ring (343) is arranged inside the pipeline (312) and is contacted with the torsion spring (33), a second plug pin hole (3431) is formed in the end face of the plug ring (343), the fixed ring (341), the shaft collar (342) and the plug ring (343) are connected in a mode of integral die casting, and a perforation (344) is arranged at the center point.

3. The adjustable pressure encoder bracket of claim 2, wherein: the diameter of the shaft (32) is consistent with the diameters of the perforation (344) and the guide sleeve (311).

4. The adjustable pressure encoder bracket of claim 2, wherein: the other end of the shell (31) is provided with a supporting guide ring (313), the diameter of the supporting guide ring (313) is consistent with that of a collar (342), and the collar (342) is arranged on the supporting guide ring (313).

5. The adjustable pressure encoder bracket of claim 2, wherein: the torsion spring (33) is provided with a first spring coil (331) and a second spring coil (332), and the second spring coil (332) is arranged at the second bolt hole (3431).

6. The adjustable pressure encoder bracket of claim 5, wherein: the diameter of the pipeline (312) is larger than that of the shaft (32), a first bolt hole (3121) is formed in the end face of the pipeline (312), and a first spring coil (331) is installed in the first bolt hole (3121).

7. The adjustable pressure encoder bracket of claim 1, wherein: the center point of carousel (35) is equipped with through-hole (351), the diameter of through-hole (351) is unanimous with the diameter of axle (32), carousel (35) are equipped with protruding supporting shoe (352), protruding supporting shoe (352) and second recess (321) contact.