Rotary encoder base

Abstract

The utility model discloses a rotary encoder base, which comprises an upper base, a lower base and a connecting seat which are sequentially arranged from top to bottom, the upper base, the lower base and the connecting seat are coaxially arranged and are of an integrated structure, a bearing is arranged at the central position in the upper base and the lower base, a bearing fixing cover is arranged at the top of the upper base, and a bearing is arranged on the bearing fixing cover. A limiting groove is formed in the outer side face of the middle of the bearing, and a limiting screw is installed on the outer side of the upper base. The bearing is installed in the center of the interior of the upper base and the center of the interior of the lower base, pressure is exerted on the bearing through the bearing fixing cover on the top of the upper base, so that the bearing becomes stable, meanwhile, the limiting groove is formed in the side face of the bearing, and the limiting screw clamped into the limiting groove is installed on the upper base. And the upper sealing ring and the lower sealing ring are respectively arranged at the top and the bottom of the bearing, so that the consumption of lubricating oil in the bearing can be reduced.

Description

Technical Field

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

[0002] The rotary encoder is a device used to measure the rotational speed and can achieve rapid speed regulation in conjunction with PWM technology. The photoelectric rotary encoder can convert mechanical quantities such as the angular displacement and angular velocity of the output shaft into corresponding electrical pulses and output them in digital quantities through photoelectric conversion.

[0003] The base of the existing rotary encoder assembly bearing is annular, and the bearing is fixed to the inside of the base by glue. During the curing process of the glue, the position of the bearing will change slightly, causing the radial force of the rotary encoder shaft to be unstable during rotation. Therefore, the installation requirements of the bearing are very high and it is not easy to install. Utility Model Content

[0004] The utility model aims to provide a rotary encoder base to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotary encoder base, comprising an upper base, a lower base and a connecting base arranged in sequence from top to bottom, the upper base, the lower base and the connecting base are coaxially arranged and are an integrated structure, bearings are installed at the inner center positions of the upper base and the lower base, a bearing fixing cover is installed at the top of the upper base, a limiting groove is provided on the middle outer side surface of the bearing, a limiting screw is installed on the outer side of the upper base, the limiting screw penetrates into the inner side of the upper base and is stuck in the limiting groove, an upper sealing ring is provided on the top of the bearing, and a lower sealing ring is provided at the bottom of the bearing.

[0006] Preferably, a stepped LED installation opening is provided on one side of the top of the lower base, the LED installation opening vertically penetrates the lower base and the connecting seat, and a transparent protective cover is installed on the top of the LED installation opening.

[0007] Preferably, the top of the transparent protective cover is a convex arc-shaped structure.

[0008] Preferably, a pressure seat is provided at the bottom of the bearing fixing cover, the pressure seat and the bearing fixing cover are an integrated structure, and a thread is provided on the outer side of the pressure seat.

[0009] Preferably, a protruding anti-slip ridge is provided on the outer side surface of the bearing fixing cover.

[0010] Preferably, a thread is provided on the outer side surface of the connecting seat, and a protruding anti-slip rib is provided on the outer side surface of the lower base.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the bearing of the utility model is installed at the center position inside the upper base and the lower base, and pressure is applied to the bearing through the bearing fixing cover on the top of the upper base, so that the bearing becomes stable, and at the same time, a limiting groove is provided on the side of the bearing, and a limiting screw that is inserted into the limiting groove is installed on the upper base, so as to further improve the stability of the bearing, and an upper sealing ring and a lower sealing ring are respectively provided on the top and bottom of the bearing, which is conducive to reducing the consumption of lubricating oil in the bearing;

[0012] The provided LED mounting port is used for installing the indicator light of the rotary encoder, and the stepped LED mounting port can stabilize the installation and fixation of the indicator light, and the transparent protective cover installed on the top can play a dustproof and protective role. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a schematic diagram of the overall external structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the overall internal structure of the utility model.

[0016] In the figure: 1. Lower base; 2. Anti-skid rib 2; 3. Upper base; 4. Bearing fixing cover; 5. Anti-skid rib 1; 6. Transparent protective cover; 7. Connecting seat; 8. Limiting screw; 9. Pressurizing seat; 10. Upper sealing ring; 11. Bearing; 12. Limiting groove; 13. Lower sealing ring; 14. LED installation port. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0018] See also Figure 1-2 In an embodiment of the utility model, a rotary encoder base comprises an upper base 3, a lower base 1 and a connecting base 7 which are arranged in sequence from top to bottom. The upper base 3, the lower base 1 and the connecting base 7 are coaxially arranged and are an integrated structure. A bearing 11 is installed at the inner center position of the upper base 3 and the lower base 1. A bearing fixing cover 4 is installed on the top of the upper base 3. A limiting groove 12 is arranged on the middle outer side surface of the bearing 11. A limiting screw 8 is installed on the outer side of the upper base 3. The limiting screw 8 penetrates into the inner side of the upper base 3 and is stuck in the limiting groove 12. An upper sealing ring 10 is arranged on the top of the bearing 11, and a lower sealing ring 13 is arranged on the bottom of the bearing 11. The upper sealing ring and the lower sealing ring are respectively arranged on the top and the bottom of the bearing, which is beneficial to reduce the consumption of lubricating oil in the bearing.

[0019] A stepped LED mounting opening 14 is provided on one side of the top of the lower base 1. The LED mounting opening 14 vertically penetrates the lower base 1 and the connecting seat 7. A transparent protective cover 6 is installed on the top of the LED mounting opening 14. The top of the transparent protective cover 6 is a convex arc structure. The transparent protective cover 6 can play a dust-proof and protective role. A thread is provided on the outer side of the connecting seat 7, and a convex anti-slip rib 2 is provided on the outer side of the lower base 1.

[0020] A pressure seat 9 is arranged at the bottom of the bearing fixing cover 4. The pressure seat 9 and the bearing fixing cover 4 are an integrated structure. A thread is arranged on the outer side of the pressure seat 9. A protruding anti-slip rib 5 is arranged on the outer side surface of the bearing fixing cover 4.

[0021] The working principle of the utility model is as follows: the bearing 11 of the utility model is installed at the center position inside the upper base 3 and the lower base 1, and pressure is applied to the bearing 11 through the bearing fixing cover 4 on the top of the upper base 3, so that the bearing 11 becomes stable, and at the same time, a limiting groove 12 is provided on the side of the bearing 11, and a limiting screw 8 is installed on the upper base 3 and is inserted into the limiting groove 12, so as to further improve the stability of the bearing 11. The upper sealing ring 10 and the lower sealing ring 13 are respectively provided on the top and the bottom of the bearing 11, which is conducive to reducing the consumption of lubricating oil in the bearing 11;

[0022] The LED installation opening 14 is used for installing the indicator light of the rotary encoder, and the stepped LED installation opening 14 can stabilize the installation and fixation of the indicator light, and the transparent protective cover 6 installed on the top can play a dustproof and protective role.

[0023] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A rotary encoder base, characterized in that: The invention comprises an upper base (3), a lower base (1) and a connecting base (7) which are arranged in sequence from top to bottom. The upper base (3), the lower base (1) and the connecting base (7) are arranged coaxially and are an integrated structure. A bearing (11) is installed at the inner center position of the upper base (3) and the lower base (1). A bearing fixing cover (4) is installed at the top of the upper base (3). A limiting groove (12) is provided on the middle outer side surface of the bearing (11). A limiting screw (8) is installed on the outer side of the upper base (3). The limiting screw (8) penetrates into the inner side of the upper base (3) and is stuck in the limiting groove (12). An upper sealing ring (10) is provided on the top of the bearing (11), and a lower sealing ring (13) is provided at the bottom of the bearing (11).

2. A rotary encoder base according to claim 1, characterized in that: A stepped LED installation opening (14) is provided on one side of the top of the lower base (1); the LED installation opening (14) vertically penetrates the lower base (1) and the connecting seat (7); and a transparent protective cover (6) is installed on the top of the LED installation opening (14).

3. A rotary encoder base according to claim 2, characterized in that: The top of the transparent protective cover (6) is in a convex arc-shaped structure.

4. A rotary encoder base according to claim 1, characterized in that: A pressure seat (9) is provided at the bottom of the bearing fixing cover (4); the pressure seat (9) and the bearing fixing cover (4) are an integrated structure; and threads are provided on the outer side of the pressure seat (9).

5. A rotary encoder base according to claim 4, characterized in that: A protruding anti-slip rib (5) is provided on the outer side surface of the bearing fixing cover (4).

6. A rotary encoder base according to claim 1, characterized in that: The outer surface of the connecting seat (7) is provided with a thread, and the outer surface of the lower base (1) is provided with a protruding anti-slip rib (2).

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