CN219015333U

CN219015333U - Heavy-duty encoder with high protection performance

Info

Publication number: CN219015333U
Application number: CN202223331264.4U
Authority: CN
Inventors: 李征帆; 邱善来
Original assignee: Zhejiang Compiley Electric Co ltd
Current assignee: Zhejiang Compiley Electric Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-05-12
Anticipated expiration: 2032-12-13

Abstract

The utility model relates to the technical field of machinery and discloses a high-protection heavy-duty encoder, which comprises a shell, wherein a base is fixedly arranged in the shell, a main shaft is fixedly arranged at the top end of the base, an O-shaped ring I is fixedly arranged at the matched position of the base and the shell, a circuit board assembly, a guide, a code disc, a photoelectric ruler and a support post are fixedly arranged at the bottom end of the base, a code disc compression ring is fixedly arranged between the code disc and the base, a cable is fixedly connected to the wiring position of the circuit board assembly, an end cover is fixedly arranged at the bottom end of the shell, the end cover can be used for disassembling the encoder by arranging a hexagonal wrench mounting position, the end cover is firstly opened when the encoder is assembled and maintained, and screws are assembled and disassembled by matching with the wrench and the hexagonal wrench, so that the problems of poor mounting reliability and rotation jumping of the encoder are avoided; by adopting the ceramic ball bearing, the shaft current generated during the operation of the product is prevented from ablating the bearing, and the encoder is prevented from being damaged.

Description

Heavy-duty encoder with high protection performance

Technical Field

The utility model relates to the technical field of machinery, in particular to a heavy-duty encoder with high protection performance.

Background

In recent years, with the popularization of ideas such as automation, intellectualization, miniaturization, etc., in order to be widely compatible with various mechanical devices, the structure of an encoder is more miniaturized, and the internal space of the encoder is greatly reduced. On the basis of ensuring the reliability and stability of the product, the arrangement of the parts is more compact;

according to the Chinese patent, an encoder structure is disclosed, and the bulletin number is: CN205825979U, which reduces the overall height and size of the encoder and enhances compatibility by providing special grooves and outlet structures on the encoder housing;

however, this encoder may present the following problems in many applications:

because the main shaft of many encoders and the outer side of the bearing rotation have no reliable design for preventing sewage, dust and the like from entering the inside of the product and the inside of the bearing, the service life of the product cannot be guaranteed;

for this purpose, we propose a heavy duty encoder with high protection performance.

Disclosure of Invention

The utility model aims to provide a heavy-duty encoder with high protection performance, which solves the problem that the service life of a product cannot be guaranteed because the main shaft and the outer side of the bearing of many encoders in the background art are not provided with reliable designs for preventing sewage, dust and the like from entering the product and the bearing.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high protective performance's heavy load type encoder, includes the shell, the inside fixed mounting of shell has the base, base top fixed mounting has the main shaft, base and shell cooperation department fixed mounting have O type circle one, base bottom fixed mounting has circuit board subassembly and director, code wheel, photoelectric ruler, pillar, fixed mounting has the code wheel clamping ring between code wheel and the base, fixedly connected with cable on the wiring position of circuit board subassembly, shell bottom fixed mounting has the end cover, fixed mounting has O type circle two between end cover and the shell, shell top fixed mounting has the labyrinth seal, fixed mounting has the bush between labyrinth seal and the shell, shell internally mounted has the bearing, the main shaft passes through the bearing and is connected with the base.

Preferably, the main shaft bottom fixed mounting has hexagonal spanner mounted position, through setting up hexagonal spanner mounted position-, can be used to the dismantlement of encoder, the end cover is opened earlier to the encoder when installation and maintenance to cooperation spanner and hexagonal spanner install and dismantle the screw, avoided encoder installation reliability poor, rotatory problem of beating.

Preferably, the outer wall of the shell is communicated with an aviation connector, dust, sewage, oil stains and the like can be effectively prevented from polluting the inside of the encoder by arranging the aviation connector, and an internal user does not need to additionally connect wires when the encoder is connected with other equipment, so that the problem that the connection wires of various leads are long in time and easy to connect by mistake when the encoder is connected with the equipment is avoided.

Preferably, the bearing is a ceramic ball bearing, so that the shaft current generated during product operation is prevented from ablating the bearing, and the encoder is prevented from being damaged.

Preferably, the bushing outer wall is provided with grooves, the number of the grooves is a plurality, the bushing adopts a multi-groove design to achieve the purpose of blocking sewage and dust from entering from the matching part of the shell, and the labyrinth seal has the function of preventing sewage and dust from entering the inside of the encoder, and the labyrinth seal also has the function of exhausting foreign matters in the encoder when the main shaft of the encoder rotates.

The utility model provides a heavy-duty encoder with high protection performance. The heavy-duty encoder with high protection performance has the following beneficial effects:

the installation position of the hexagonal wrench is arranged, so that the encoder can be used for disassembling the encoder, the end cover is firstly opened when the encoder is installed and maintained, and the screw is installed and disassembled by matching with the wrench and the hexagonal wrench, so that the problems of poor installation reliability and rotation runout of the encoder are avoided; through the aviation plug, the pollution to the inside of the encoder caused by dust, sewage, oil stains and the like can be effectively prevented, and an internal user does not need to additionally connect wires when the encoder is connected with other equipment, so that the problem that the connection wires of various leads are long in time and easy to connect by mistake when the encoder is connected with the equipment is avoided; by adopting the ceramic ball bearing, the shaft current generated during the operation of the product is prevented from ablating the bearing, and the encoder is prevented from being damaged; the lining can achieve the purpose of blocking sewage and dust from entering from the matching part of the shell by adopting the multi-groove design, and by arranging the labyrinth seal, the labyrinth seal has the function of preventing sewage and dust from entering the inside of the encoder, and also has the function of exhausting foreign matters in the encoder when the main shaft of the encoder rotates.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic diagram of an explosive structure according to the present utility model.

In the figure: 100. aviation connector 120, cable 130, introducer 140, wiring board assembly 150, code wheel 16, spindle 170, end cap 180, code wheel press ring 190, optical ruler 200, post 210, second O-ring 220, housing 230, base 240, first O-ring 250, bearing 260, labyrinth seal 270, bushing 160-1, hex wrench mounting location.

Detailed Description

As shown in fig. 1-3, the present utility model provides a technical solution: the heavy-duty encoder with high protection performance comprises a housing 220, wherein an aviation connector 100 is communicated with the outer wall of the housing 220, dust, sewage, oil stains and the like can be effectively prevented from polluting the inside of the encoder by arranging an aviation plug, an internal user does not need to additionally connect wires when the encoder is connected with other equipment, the problem that the joint wires of various leads are easy to be connected by mistake due to long time consumption when the encoder is connected with the equipment is avoided, a base 230 is fixedly arranged in the housing 22, a main shaft 160 is fixedly arranged at the top end of the base 230, a hexagonal wrench mounting position 160-1 is fixedly arranged at the bottom end of the main shaft 160, the encoder can be used for disassembling the encoder by arranging the hexagonal wrench mounting position 160-1, the end cover 170 is firstly opened when the encoder is assembled and disassembled by matching with a wrench and an internal hexagonal wrench, the problems of poor mounting reliability and rotating jumping of the encoder are avoided, an O-shaped ring I240 is fixedly arranged at the matching position of the base 230 and the shell 220, a circuit board assembly 140, the guide 130, the code disc 150, the photoelectric ruler 190 and the support column 200 are fixedly arranged at the bottom end of the base 230, a code disc compression ring 180 is fixedly arranged between the code disc 150 and the base 230, a cable 120 is fixedly connected to the wiring position of the circuit board assembly 140, an end cover 170 is fixedly arranged at the bottom end of the shell 220, an O-shaped ring II 210 is fixedly arranged between the end cover 170 and the shell 220, a labyrinth seal 260 is fixedly arranged at the top end of the shell 220, a lining 270 is fixedly arranged between the labyrinth seal 260 and the shell 220, grooves are formed in the outer wall of the lining 270, the number of the grooves is a plurality, the lining 270 can achieve the aim of blocking sewage and dust from entering from the matching position of the shell by adopting a multi-groove design, and the labyrinth seal 260 has the function of preventing the sewage and the dust from entering the inside of the encoder, the labyrinth seal 260 also has the function of exhausting foreign matters in the encoder when the main shaft of the encoder rotates, the bearing 250 is arranged in the shell 220, the main shaft 160 is connected with the base 230 through the bearing 250, the bearing 250 is a ceramic ball bearing, and the erosion of the bearing caused by shaft current generated during the operation of the product is avoided, so that the encoder is prevented from being damaged.

Claims

1. A high protective performance heavy duty encoder comprising a housing (220), characterized by: the utility model discloses a cable-mounted device for the electric motor, including shell (220) inside fixed mounting has base (230), base (230) top fixed mounting has main shaft (160), base (230) and shell (220) cooperation department fixed mounting have O type circle one (240), base (230) bottom fixed mounting has circuit board subassembly (140) and director (130), coded disc (150), photoelectric ruler (190), pillar (200), fixed mounting has coded disc clamping ring (180) between coded disc (150) and base (230), fixedly connected with cable (120) in the wiring position of circuit board subassembly (140), shell (220) bottom fixed mounting has end cover (170), fixed mounting has O type circle two (210) between end cover (170) and shell (220), shell (220) top fixed mounting has labyrinth seal (260), fixed mounting has bush (270) between labyrinth seal (260) and shell (220), shell (220) internally mounted has bearing (250), main shaft (160) are connected with base (230) through bearing (250).

2. The high protection heavy duty encoder of claim 1, wherein: and a hexagonal wrench mounting position (160-1) is fixedly mounted at the bottom end of the main shaft (160).

3. The high protection heavy duty encoder of claim 1, wherein: and an aviation connector (100) is arranged on the outer wall of the shell (220) in a communicating way.

4. The high protection heavy duty encoder of claim 1, wherein: the bearing (250) is a ceramic ball bearing.

5. The high protection heavy duty encoder of claim 1, wherein: the outer wall of the lining (270) is provided with a plurality of grooves.