Dustproof encoder

Abstract

The utility model discloses a dustproof encoder, which relates to the technical field of encoders and comprises an encoder main body, the encoder main body comprises an encoder shaft body, an encoder disc body and an encoder shell, a first dustproof sealing ring is fixedly arranged between a shaft seat and an annular seat, and a second dustproof sealing ring is fixedly arranged between the shaft seat and the annular seat. And a second dustproof sealing ring is fixedly arranged between the encoder disc body and the encoder shell. According to the utility model, the first dustproof sealing ring and the second dustproof sealing ring are arranged, the first dustproof sealing ring is arranged between the shaft seat and the annular seat, the second dustproof sealing ring is arranged between the encoder disc body and the encoder shell, and the first dustproof sealing ring can improve the sealing effect between the shaft seat and the annular seat; and the second dustproof sealing ring can improve the sealing effect between the encoder disc body and the encoder shell, so that dust can be prevented from entering the encoder main body bearing and the magnetic ring, and the encoder main body bearing and the magnetic ring are prevented from being damaged due to influence of dust and scrap iron.

Description

Technical Field

[0001] The utility model relates to the technical field of encoders, in particular to a dust-proof encoder. Background Art

[0002] With the continuous improvement of electrical automation, encoders have been widely used as a speed and position detection element in various automatic control occasions. Encoders of various shapes and sizes are widely used in automated production lines, especially in AC and DC motors in the manufacturing industry.

[0003] In the process of implementing this application, the applicant found that the sealing performance of the existing encoder is poor. Therefore, in a dusty environment, the fan will suck dust and iron filings in the environment into the wind chamber when it is running. The surface of the encoder is covered with the above dust and iron filings, and some of them will enter the bearings and magnetic rings inside the encoder, which will directly affect the performance of the encoder and even damage the encoder, thereby causing the motor to malfunction and trip and affect production. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that the sealing performance of the encoder is poor and dust and iron filings can enter the bearing and the inside of the magnetic ring of the encoder, and proposes a dust-proof encoder.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A dust-proof encoder comprises an encoder body, wherein the encoder body comprises an encoder shaft, an encoder disc and an encoder shell, wherein the encoder shaft is rotatably arranged inside the encoder body, the outer wall of the encoder shaft is fixedly sleeved with a shaft seat, the encoder disc is fixedly arranged on the outer wall of the encoder body, the encoder disc is rotatably sleeved on the outer wall of the shaft seat, an annular seat is fitted on the side wall of the encoder disc, a first dust-proof sealing ring is fixedly arranged between the shaft seat and the annular seat, the encoder shell is snap-fitted to the outside of the encoder body, and a second dust-proof sealing ring is fixedly arranged between the encoder disc and the encoder shell.

[0007] Preferably, a plurality of first bolts are movably sleeved inside the annular seat, and one end of each of the first bolts is threadedly sleeved inside the encoder disc body.

[0008] Preferably, a plurality of second bolts are movably sleeved inside the encoder housing, and each of the second bolts is threadedly sleeved inside the encoder body.

[0009] Preferably, a wiring barrel is fixedly provided on the side wall of the encoder body, a cable is fixedly provided on the input end of the encoder body, and the cable is fixedly sleeved inside the wiring barrel.

[0010] Preferably, the first dustproof sealing ring and the second dustproof sealing ring are both polyurethane sealing rings.

[0011] Preferably, a plurality of first mounting grooves are formed on the side wall of the annular seat, and each of the first bolts is disposed inside a corresponding first mounting groove.

[0012] Preferably, a plurality of second mounting grooves are formed on the side wall of the encoder housing, and each of the second bolts is disposed inside a corresponding second mounting groove.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] 1. The utility model provides a first dustproof sealing ring and a second dustproof sealing ring. The first dustproof sealing ring is provided between the shaft seat and the annular seat, and the second dustproof sealing ring is provided between the encoder disc body and the encoder housing. The first dustproof sealing ring can improve the sealing effect between the shaft seat and the annular seat, and the second dustproof sealing ring can improve the sealing effect between the encoder disc body and the encoder housing, thereby preventing dust from entering the encoder main body bearing and the inside of the magnetic ring, and preventing the encoder main body bearing and the magnetic ring from being damaged by dust and iron filings.

[0015] 2. The utility model provides a plurality of first bolts, which are movably sleeved inside the annular seat. One end of the plurality of first bolts is screwed into the interior of the encoder disc body by using a tool, thereby enabling rapid disassembly of the annular seat and facilitating the user to install and replace the first dustproof sealing ring.

[0016] 3. The utility model provides a plurality of second bolts, which are movably sleeved inside the encoder housing. One end of the plurality of second bolts is screwed into the interior of the encoder body by using a tool, thereby enabling quick disassembly and assembly of the encoder housing and facilitating the user to install and replace the second dustproof sealing ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a three-dimensional diagram of the utility model;

[0019] Figure 2 For the utility model Figure 1 A schematic diagram of a plane structure on one side;

[0020] Figure 3 For the utility model Figure 1 Schematic diagram of the planar structure on the other side.

[0021] Description of reference numerals:

[0022] 1. Encoder body; 2. Encoder shaft; 3. Encoder disc; 4. Encoder housing; 5. Shaft seat; 6. Ring seat; 7. First dustproof sealing ring; 8. Second dustproof sealing ring; 9. First bolt; 10. Second bolt; 11. Wiring barrel; 12. Cable. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] The utility model embodiment discloses a dust-proof encoder.

[0025] Embodiment 1

[0026] The utility model provides Figure 1-3 The dust-proof encoder shown in the figure includes an encoder body 1, which includes an encoder shaft body 2, an encoder disc body 3 and an encoder housing 4. The encoder shaft body 2 is rotatably arranged inside the encoder body 1, and the outer wall of the encoder shaft body 2 is fixedly sleeved with a shaft seat 5. The encoder disc body 3 is fixedly arranged on the outer wall of the encoder body 1, and the encoder disc body 3 is rotatably sleeved on the outer wall of the shaft seat 5. The side wall of the encoder disc body 3 is fitted with an annular seat 6, and a first dustproof sealing ring 7 is fixedly arranged between the shaft seat 5 and the annular seat 6. The encoder housing 4 is snap-fitted and arranged on the outside of the encoder body 1, and a second dustproof sealing ring 8 is fixedly arranged between the encoder disc body 3 and the encoder housing 4. The first dustproof sealing ring 7 and the second dustproof sealing ring 8 are arranged to effectively prevent dust from entering the bearing and the magnetic ring of the encoder body 1, and prevent the bearing and the magnetic ring of the encoder body 1 from being damaged by dust and iron filings.

[0027] Embodiment 2

[0028] On the basis of the first embodiment, in order to realize the rapid disassembly of the annular seat 6 and facilitate the user to install and replace the first dustproof sealing ring 7, as shown in FIG. Figure 1-3 As shown, the internal movable sleeve of the annular seat 6 is provided with a plurality of first bolts 9, and one end of each first bolt 9 is threadedly sleeved on the inside of the encoder disc body 3. By utilizing the plurality of first bolts 9, the annular seat 6 can be quickly disassembled, making it convenient for the user to install and replace the first dustproof sealing ring 7.

[0029] Embodiment 3

[0030] On the basis of the first embodiment, in order to realize the quick disassembly and assembly of the encoder housing 4 and facilitate the user to install and replace the second dustproof sealing ring 8, as shown in FIG. Figure 1 and Figure 3 As shown, the encoder housing 4 is internally movably sleeved with a plurality of second bolts 10, and each second bolt 10 is threadedly sleeved in the interior of the encoder body 1. By utilizing the plurality of second bolts 10, the encoder housing 4 can be quickly disassembled and assembled, making it convenient for the user to install and replace the second dustproof sealing ring 8.

[0031] In order to smoothly connect the cable 12 to the interior of the encoder body 1, Figure 1-3 As shown, a wiring barrel 11 is fixedly provided on the side wall of the encoder body 1, and a cable 12 is fixedly provided on the input end of the encoder body 1. The cable 12 is fixedly sleeved inside the wiring barrel 11. By utilizing the set wiring barrel 11, the cable 12 can be smoothly connected to the inside of the encoder body 1.

[0032] In order to ensure that the first dustproof seal ring 7 and the second dustproof seal ring 8 have a higher sealing effect, Figure 1-3 As shown, the first dustproof sealing ring 7 and the second dustproof sealing ring 8 are both polyurethane sealing rings, thereby ensuring that the first dustproof sealing ring 7 and the second dustproof sealing ring 8 have a higher sealing effect.

[0033] In order to arrange the first bolt 9 in the first installation groove to prevent the protruding portion of the first bolt 9 from affecting the installation and use of the encoder disc 3 and the encoder shaft 2, as shown in FIG. Figure 1-3 As shown, the side wall of the annular seat 6 is provided with a plurality of first mounting grooves, and each first bolt 9 is arranged inside the corresponding first mounting groove. By utilizing the set first mounting grooves, the first bolt 9 can be arranged inside the first mounting groove to prevent the raised portion of the first bolt 9 from affecting the installation and use of the encoder disc body 3 and the encoder shaft body 2.

[0034] Finally, in order to be able to set the second bolt 10 inside the second installation groove to prevent the raised part of the second bolt 10 from scratching the user, such as Figure 1 and Figure 3 As shown, the side wall of the encoder housing 4 is provided with a plurality of second mounting grooves, and each second bolt 10 is arranged inside the corresponding second mounting groove. By utilizing the provided second mounting grooves, the second bolt 10 can be arranged inside the second mounting groove to prevent the raised part of the second bolt 10 from scratching the user.

[0035] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A dust-proof encoder, comprising an encoder body (1), characterized in that: The encoder body (1) comprises an encoder shaft (2), an encoder disc (3) and an encoder housing (4); the encoder shaft (2) is rotatably arranged inside the encoder body (1); the outer wall of the encoder shaft (2) is fixedly sleeved with a shaft seat (5); the encoder disc (3) is fixedly arranged on the outer wall of the encoder body (1); the encoder disc (3) is rotatably sleeved on the outer wall of the shaft seat (5); the side wall of the encoder disc (3) is fitted with an annular seat (6); a first dustproof sealing ring (7) is fixedly arranged between the shaft seat (5) and the annular seat (6); the encoder housing (4) is snap-fitted to the outside of the encoder body (1); a second dustproof sealing ring (8) is fixedly arranged between the encoder disc (3) and the encoder housing (4).

2. The dust-proof encoder according to claim 1, characterized in that: A plurality of first bolts (9) are movably sleeved inside the annular seat (6), and one end of each of the first bolts (9) is threadedly sleeved inside the encoder disc body (3).

3. The dust-proof encoder according to claim 1, characterized in that: A plurality of second bolts (10) are movably sleeved inside the encoder housing (4), and each of the second bolts (10) is threadedly sleeved inside the encoder body (1).

4. The dust-proof encoder according to claim 1, characterized in that: A wiring barrel (11) is fixedly arranged on the side wall of the encoder body (1), a cable (12) is fixedly arranged on the input end of the encoder body (1), and the cable (12) is fixedly sleeved inside the wiring barrel (11).

5. The dust-proof encoder according to claim 1, characterized in that: The first dustproof sealing ring (7) and the second dustproof sealing ring (8) are both polyurethane sealing rings.

6. The dust-proof encoder according to claim 2, characterized in that: The side wall of the annular seat (6) is provided with a plurality of first installation grooves, and each of the first bolts (9) is arranged inside a corresponding first installation groove.

7. The dust-proof encoder according to claim 3, characterized in that: The side wall of the encoder housing (4) is provided with a plurality of second installation slots, and each of the second bolts (10) is arranged inside a corresponding second installation slot.

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