CN202076176U

CN202076176U - Coder

Info

Publication number: CN202076176U
Application number: CN2011202147036U
Authority: CN
Inventors: 黄炎; 吴功伟
Original assignee: 余正明
Priority date: 2011-06-23
Filing date: 2011-06-23
Publication date: 2011-12-14
Anticipated expiration: 2021-06-23

Abstract

The utility model relates to a coder comprising a rotating shaft, a shaft sleeve, a rotor, a base and a casing which are sequentially arranged from top to bottom, wherein the rotating shaft is in sleeve joint in the shaft sleeve, the rotor is arranged in the base, an output terminal is arranged on the base, an output pin of a coding signal and an output pin of a switching signal are arranged on the output terminal, a spring piece and colloidal particles are arranged on the output terminal, the upper part of the rotor is provided with a positioning piece, the bottom of the rotor is provided with a switching-over piece, the switching-over piece contacts with the output terminal, the base and the lower end of the shaft sleeve are in buckle joint in the casing, the lower end of the rotating shaft penetrates through the rotor, the switching-on of the output pin of the switching signal of the output terminal is realized by pressing the rotating shaft to drive the colloidal particles to downwards press the spring piece, and the alternate switching-on and switching-off of the output pin of the coding signal of the output terminal are realized by twisting the rotating shaft in a rotary way to drive the rotor and the switching-over piece to rotate. According to the coder, the structure is simple, the connection between every two components is steady, the performance is reliable, the installation and the disassembly are convenient, and the production efficiency is high. When a certain part inside the coder is unqualified in testing, the casing can be easily disassembled, the unqualified part is replaced, and the cost is saved.

Description

A kind of encoder

Technical field

The utility model relates to a kind of electronic devices and components, specifically is meant a kind of encoder apparatus.

Background technology

At present, though existing encoder can satisfy common instructions for use, its internal structure is comparatively complicated, causes the packaging technology complexity, and assembling speed is slow, and efficient is low; And, if the inner a certain part testing of existing encoder is defective, whole encoder will be scrapped, waste very serious.

Summary of the invention

The technical problems to be solved in the utility model provides a kind of simple in structure, easy to assembly, and the reusable encoder of replaceable inner body.

For solving the problems of the technologies described above, the utility model by the following technical solutions:

A kind of encoder, comprise the rotating shaft that sets gradually from top to bottom, axle sleeve, rotor and base and shell, rotating shaft is socketed in the axle sleeve, rotor is located in the base, on base, be provided with lead-out terminal, lead-out terminal is provided with code signal output pin and switching signal output pin, on lead-out terminal, be provided with shell fragment and micelle, be provided with spacer on rotor top, be provided with transfer strip in rotor bottom, transfer strip contacts with lead-out terminal, base and axle sleeve lower end are buckled in the shell, rotor is passed in the rotating shaft lower end, pushes rotating shaft and drives the switching signal output pin connection that micelle pushes shrapnel and realizes lead-out terminal downwards, and the knob rotating shaft drives rotor and the transfer strip rotation realizes that the code signal output pin of lead-out terminal alternately is switched on or switched off.

The prioritization scheme of such scheme is as follows:

Above-mentioned spacer is fixed on the axle sleeve bottom surface and with rotor and contacts; Above-mentioned rotor bottom is provided with pin, is provided with pin-and-hole on transfer strip, and transfer strip is riveted on the pin.

In order to prevent that rotating shaft from coming off, in rotating shaft, be provided with draw-in groove, in draw-in groove, be provided with snap ring.

Connect by zinc alloy layer between above-mentioned rotating shaft and the micelle.

In order to strengthen outer cover intensity, outer casing thickness is 0.5mm.

The utlity model has following remarkable result:

The utility model is simple for structure, connects between each parts firmly, and dependable performance, installation, convenient disassembly, the production efficiency height, when the inner a certain part testing of encoder is defective, but the easy removal housing carries out the replacing of rejected part, provides cost savings.

Description of drawings

Fig. 1 is the utility model embodiment one perspective view.

Fig. 2 is embodiment one a decomposition texture schematic diagram.

Fig. 3 is embodiment one a front sectional structure schematic diagram.

Fig. 4 is embodiment one a rotor plan structure schematic diagram.

Fig. 5 is the utility model embodiment two decomposition texture schematic diagrames.

Fig. 6 is embodiment two rotor plan structure schematic diagrames.

Fig. 7 is the utility model embodiment three perspective view.

Fig. 8 is embodiment three decomposition texture schematic diagrames.

Fig. 9 is embodiment three front sectional structure schematic diagrames.

Figure 10 is an embodiment triple-spool plan structure schematic diagram.

Figure 11 is the utility model embodiment four decomposition texture schematic diagrames.

Figure 12 is embodiment four rotor plan structure schematic diagrames.

Embodiment

For the ease of it will be appreciated by those skilled in the art that the utility model is explained in further detail below in conjunction with accompanying drawing and embodiment.

Embodiment one: shown in accompanying drawing 1～4, the encoder that this programme disclosed comprises rotating shaft 1, axle sleeve 2, rotor 3 and the base 4 and the shell 5 that set gradually from top to bottom.Wherein, rotating shaft 1 is socketed in the axle sleeve 2, and axle sleeve 2 lower ends are installed on the base 4, and base 4 and axle sleeve 2 lower ends also are buckled in the shell 5, and is by fixture that shell 5, axle sleeve 2 and base 4 is fixing; Rotor 3 is located in the base 4, and rotor 3 tooth portions are provided with 16 profiles of tooth, and rotor 3 upper ends place in the axle sleeve 2, and rotor 3 is passed in rotating shaft 1 lower end; Be provided with spacer 9 on rotor 3 tops, spacer 9 is fixed on axle sleeve 2 bottom surfaces and with rotor 3 and contacts; Be provided with lead-out terminal 6 on base 4, lead-out terminal 6 is provided with three code signal output pins 61 and two switching signal output pins 62, and code signal output pin 61 is connected with pcb board respectively with switching signal output pin 62; Be provided with transfer strip 20 in rotor 3 bottoms, be provided with pin in rotor 3 bottoms, be provided with pin-and-hole on transfer strip 20, transfer strip 20 is riveted on the pin, is provided with leg 21 on transfer strip 20, and the leg 21 on the transfer strip 20 contacts with lead-out terminal 6; On lead-out terminal 6, be provided with shell fragment 7 and micelle 8, shell fragment 7 bottom surfaces are connected with lead-out terminal 6, micelle 8 has elasticity, micelle 8 bottom surfaces are pressed on shell fragment 7 edges, the upper surface of micelle 8 is connected with rotating shaft 1 bottom face by zinc alloy layer 10, zinc alloy layer 10 is fixed on rotating shaft 1 bottom surface, and zinc alloy layer 10 is corrosion-resistant, has guaranteed the useful life of encoder.

When pushing rotating shaft 1 downwards, rotating shaft 1 bottom surface active force is on micelle 8, rotating shaft 1 drives micelle 8 and pushes shrapnel 7 downwards, touches shell fragments 7 and drives shell fragment 7 until micelle 8 and connect with two switching signal output pins 62 of lead-out terminal 6, realizes the connection of encoder switching signal; When unclamping rotating shaft 1, under the effect of micelle 8 self elastic force, micelle 8 upwards resets, and drives rotating shaft 1 and upwards reset, and realizes the disconnection of encoder switching signal.During knob rotating shaft 1, rotating shaft 1 drives rotor 3 and transfer strip 20 simultaneously and rotates, and rotor 3 is in rotation process, and spacer 9 has been interrupted to land touches 16 profiles of tooth in the rotor 3 tooth portions, thereby the user can judge the normal operating position of encoder; And rotor 3 is in rotation process, and rotor 3 drives transfer strips 20 and rotates, and transfer strip 20 legs 21 are realized alternately being switched on or switched off with three code signal output pins 61 of lead-out terminal 6, thereby export different code signals.

In order to prevent that rotating shaft 1 from coming off,, in rotating shaft 1, be provided with draw-in groove 11, in draw-in groove 11, be provided with snap ring 12.When pushing rotating shaft 1, under the effect of snap ring 12, rotating shaft 1 can not come off from axle sleeve 2.

In addition, the thickness of shell 5 is 0.5mm, has guaranteed that shell 5 has enough intensity, and is not yielding, improves the useful life of encoder.

In the present embodiment, the code signal output pin 61 of lead-out terminal 6 and switching signal output pin 62 are set to stretch out to base 5 bottoms, and the feet on the base 5 also stretches out to base 5 bottoms; When encoder was installed, the code signal output pin 61 of lead-out terminal 6 was plugged in feet on switching signal output pin 62 and the base 5 and realizes on the pcb board being connected.

The present embodiment coder structure is succinct, connects firmly between each parts, snaps together by housing, dependable performance, installation, convenient disassembly are when the inner a certain part testing of encoder is defective, but the easy removal housing carries out the replacing of rejected part, provides cost savings.

Embodiment two: shown in accompanying drawing 5～6, structure proximate among coder structure integral body that present embodiment disclosed and the embodiment one, difference is that the profile of tooth quantity in the rotor 3 tooth portions is different.

Profile of tooth quantity in the present embodiment encoder rotor 3 tooth portions is made as 32, during knob rotating shaft 1, rotating shaft 1 drives rotor 3 simultaneously and transfer strip 20 rotates, rotor 3 is in rotation process, spacer 9 has been interrupted to land touches 32 profiles of tooth that connect in the rotor 3 tooth portions, and rotor 3 is in rotation process, and rotor 3 drives transfer strips 20 and rotates, transfer strip 20 legs 21 are realized alternately being switched on or switched off with the code signal output pin 61 of lead-out terminal 6, thereby export different code signals.The present embodiment encoder has simple for structure equally, connects firmly dependable performance, installation, convenient disassembly, the advantage that cost is low between each parts.

Embodiment three: shown in accompanying drawing 7～10, structure proximate among coder structure integral body that present embodiment disclosed and the embodiment one, difference is that the code signal output pin 61 and the supporting foot structure on switching signal output pin 62 and the base 5 of lead-out terminal 6 is different.

Feet on code signal output pin 61 on the present embodiment encoder lead-out terminal 6 and switching signal output pin 62 and the base 5 is arranged to bending member; When encoder is installed, by the wave-soldering technology code signal output pin 61 of lead-out terminal 6 and switching signal output pin 62 are welded in and realize on the pcb board being connected, the feet of base 5 also is arranged to satisfy the code signal output pin 61 of lead-out terminal 6 and the installation requirement of switching signal output pin 62.The present embodiment encoder has simple for structure equally, connects firmly dependable performance, installation, convenient disassembly, the advantage that cost is low between each parts.

Embodiment four: shown in accompanying drawing 11～12, structure proximate among coder structure integral body that present embodiment disclosed and the embodiment three, difference is that the profile of tooth quantity in the rotor 3 tooth portions is different.

The foregoing description is the preferred version that the utility model is realized; and indefiniteness is exhaustive; the utility model can also have other variations under same idea; need to prove; under the prerequisite that does not break away from the present utility model design, any conspicuous replacement is all within protection range of the present invention.

Claims

1. encoder, comprise the rotating shaft (1) that sets gradually from top to bottom, axle sleeve (2), rotor (3) and base (4) and shell (5), rotating shaft is socketed in the axle sleeve, rotor is located in the base, on base, be provided with lead-out terminal (6), lead-out terminal is provided with code signal output pin (61) and switching signal output pin (62), on lead-out terminal, be provided with shell fragment (7) and micelle (8), be provided with spacer (9) on rotor top, be provided with transfer strip (20) in rotor bottom, transfer strip contacts with lead-out terminal, it is characterized in that: described base (4) and axle sleeve (2) lower end are buckled in the shell, rotor is passed in the rotating shaft lower end, push rotating shaft and drive the switching signal output pin connection that micelle pushes shrapnel and realizes lead-out terminal downwards, the knob rotating shaft drives rotor and the transfer strip rotation realizes that the code signal output pin of lead-out terminal alternately is switched on or switched off.

2. encoder according to claim 1 is characterized in that: described spacer (9) is fixed on the axle sleeve bottom surface and with rotor and contacts; Described rotor (3) bottom is provided with pin, is provided with pin-and-hole on transfer strip, and transfer strip is riveted on the pin.

3. encoder according to claim 1 is characterized in that: described rotating shaft (1) is provided with a draw-in groove (11), is provided with one and prevents the snap ring (12) that rotating shaft comes off in draw-in groove.

4. according to any described encoder among the claim 1-3, it is characterized in that: connect by zinc alloy layer (10) between described rotating shaft (1) and the micelle (8).

5. encoder according to claim 4 is characterized in that: described shell (5) thickness is 0.5mm.