CN219534365U

CN219534365U - Thin rotary switch encoder

Info

Publication number: CN219534365U
Application number: CN202320658387.4U
Authority: CN
Inventors: 蔡伟强; 蔡金林
Original assignee: Shenzhen Jinertai Electronics Co ltd
Current assignee: Shenzhen Jinertai Electronics Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-08-15
Anticipated expiration: 2033-03-29

Abstract

The utility model provides a thin rotary switch encoder which comprises a lower shell, an upper shell, a fixed support, a rotating shaft, a turntable, an electric brush, a pulse output pin, a power output pin and a metal key spring plate, wherein a first limit flange and a second limit flange are convexly arranged on the peripheral wall in the middle of the rotating shaft, a first limit groove and a second limit groove are concavely arranged at the lower end part of a through hole side by side, the peripheral wall of the first limit flange is in sliding butt joint with the inner peripheral wall of the through hole, the upper end wall of the second limit flange is in sliding butt joint with the upper end wall of the first limit groove, the turntable is rotatably arranged at the lower end part of the upper shell, a limit cylinder is convexly arranged at the upper end part of the turntable, and the upper end wall of the limit cylinder is in sliding butt joint with the upper end wall of the second limit groove. The utility model can make the assembly of the rotary switch encoder more convenient and faster, and can effectively reduce the overall height of the rotary switch encoder, thereby saving more space, being capable of being installed on occasions with narrower space, having wide adaptability and strong practicability.

Description

Thin rotary switch encoder

Technical Field

The utility model belongs to the technical field of rotary encoders, and particularly relates to a thin rotary switch encoder.

Background

The rotary switch encoder refers to an encoded product which generates regular pulses by forming contact points through regular rotation or (movement) of signal matching parts, and plays roles of increasing, decreasing, turning pages and the like through matching with an IC (integrated circuit), for example: the method comprises the steps of turning pages of a mouse, selecting a menu, adjusting sound and frequency of a sound box, adjusting temperature of a toaster, adjusting frequency of medical equipment and the like.

However, the pivot of current rotary switch encoder in market at present adopts the jump ring to fix on last casing mostly to prevent that the pivot from coming off from last casing, assembly operations is loaded down with trivial details, and inefficiency, and need make the lower tip of pivot very long, just can assemble the jump ring to the lower tip of pivot on, lead to the high increase of epitheca, lead to rotary switch encoder can't accomplish very thinly, make rotary switch encoder occupation space big, increased the whole volume of product, can lead to rotary switch encoder unable installation to the place that installation high space is restricted, adaptability is narrow. To this end, we propose a low profile rotary switch encoder.

Disclosure of Invention

The embodiment of the utility model aims to provide a thin rotary switch encoder, which aims to solve the technical problems that a rotating shaft of the conventional rotary switch encoder is fixed by adopting a clamp spring, the assembly operation is complicated, the efficiency is low and the occupied space is large.

In order to achieve the above purpose, the technical scheme adopted by the embodiment of the utility model is as follows:

the utility model provides a slim rotary switch encoder, includes lower casing, last casing, fixed bolster, pivot, carousel, brush, pulse output pin, power output pin and metal button shell fragment, go up the casing detachably lid and locate the upper end of lower casing, the fixed bolster detachably lid is located the upper end of last casing, the lower tip of the both sides wall of fixed bolster inwards protruding respectively is equipped with two elasticity buckle arms, the concave a plurality of buckle grooves that are equipped with in both sides of the lower end wall of lower casing, elasticity buckle arm detachably respectively inlay and locate buckle inslot sets up, the concave through-hole that is equipped with in upper end of upper casing, the pivot rotationally wears to locate in the through-hole sets up, the periphery wall in the centre of pivot is protruding to be equipped with two along circumferencial direction extension's first limit flange and second limit flange side by side, the outer diameter of the second limit flange is larger than that of the first limit flange, the lower end part of the through hole is provided with two first limit grooves and two second limit grooves which extend along the circumferential direction in a concave manner side by side manner, the inner diameter of the second limit groove is larger than that of the first limit groove, the outer peripheral wall of the first limit flange is in slidable abutting joint with the inner peripheral wall of the through hole, the upper end wall of the second limit flange is in slidable abutting joint with the upper end wall of the first limit groove, the rotary disc is rotatably arranged at the lower end part of the upper shell, the upper end part of the rotary disc is provided with a limit cylinder in a convex manner, the upper end wall of the limit cylinder is in slidable abutting joint with the upper end wall of the second limit groove, the upper end wall of the limit cylinder is provided with a plug hole in concave manner, the lower end part of the rotary shaft is provided with a plug hole and the plug hole are in flat structure, the utility model discloses a pulse output pin, including the lower casing, the electric brush, the grafting portion is embedded with sliding from top to bottom and is located in the spliced eye, the electric brush set up in on the lower end wall of carousel, pulse output pin and power output pin set up respectively in the both sides of lower casing, the both sides of the rear end of pulse output pin are equipped with a metal contact shell fragment respectively, the electric brush respectively with metal contact shell fragment sliding butt electricity is connected, the upper end of lower casing is concave to be equipped with a holding groove, metal button shell fragment detachably set up in the holding groove, the protruding metal contact that is connected with the power output pin that is equipped with in bottom of holding groove, metal button shell fragment can respectively with metal contact butt electricity is connected and is set up, the lower end of grafting portion can with metal button shell fragment butt sets up.

In one embodiment, the device further comprises a pressing screw, a threaded hole is concavely formed in the lower end wall of the plug-in portion, the pressing screw is screwed into the threaded hole, the lower end portion of the pressing screw is in a circular arc-shaped curved surface structure, and the lower end portion of the pressing screw is in butt joint with the metal key elastic sheet.

In one embodiment, four vertex angles of the upper end wall of the lower shell are respectively provided with a first positioning pin in a protruding mode, the four vertex angles of the upper shell are respectively provided with a first positioning hole in a concave mode, the first positioning holes correspond to the first positioning pins one by one, and the first positioning pins are respectively detachably embedded in the first positioning holes.

In one embodiment, the lower end wall of the lower housing is convexly provided with a plurality of second positioning pins.

In one embodiment, the lower ends of the two side walls of the fixing support are respectively provided with a welding pin in a protruding mode.

In one embodiment, the upper end of the rotating shaft is convexly provided with a plurality of zigzag anti-slip raised strips along the circumferential direction.

By adopting the technical scheme provided by the embodiment of the utility model, the method has at least the following technical effects or advantages: the thin rotary switch encoder provided by the embodiment of the utility model can quickly assemble and fix the rotating shaft on the upper shell, the rotating shaft is not required to be fixed through the clamp spring, and the clamp spring assembling procedure is reduced, so that the rotary switch encoder is more convenient and quick to assemble, firm and reliable in assembly, the assembling efficiency is improved, the length of the rotating shaft can be shortened, the overall height of the rotary switch encoder is effectively reduced, the rotary switch encoder can be made thinner, the space is saved more, the encoder can be installed on occasions with narrower space, and the encoder has wide adaptability and strong practicability.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a thin rotary switch encoder according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of a three-dimensional structure of a thin rotary switch encoder according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram showing an exploded structure of a thin rotary switch encoder according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram showing another exploded structure of a thin rotary switch encoder according to an embodiment of the present utility model;

fig. 5 is another exploded view of a thin rotary switch encoder according to an embodiment of the present utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The following describes in more detail the specific implementation of the present utility model in connection with specific embodiments:

referring to fig. 1 to 5, the embodiment of the utility model provides a thin rotary switch encoder, which comprises a lower housing 101, an upper housing 102, a fixed support 103, a rotating shaft 104, a turntable 105, brushes (not shown), a pulse output pin 106, a power output pin 107 and a metal button spring 108, wherein the upper housing 102 is detachably covered on the upper end portion of the lower housing 101, the fixed support 103 is detachably covered on the upper end portion of the upper housing 102, two elastic fastening arms 1031 are respectively protruded inwards from the lower end portions of two side walls of the fixed support 103, a plurality of fastening grooves 1011 are respectively protruded from the lower end wall of the lower housing 101, the elastic fastening arms 1031 are respectively detachably embedded in the fastening grooves 1011, a through hole 1021 is respectively protruded from the upper end portion of the upper housing 102, the rotating shaft 104 is rotatably arranged in the through hole 1021, two first limiting flanges 1041 and second limiting flanges 1042 extending along the circumferential direction are protruded side by side, the outer diameter of the second limit flange 1042 is larger than that of the first limit flange 1041, the lower end of the through hole 1021 is provided with two first limit grooves 1022 and second limit grooves 1023 which extend along the circumferential direction in a concave manner, the inner diameter of the second limit groove 1023 is larger than that of the first limit groove 1022, the outer peripheral wall of the first limit flange 1041 is in sliding contact with the inner peripheral wall of the through hole 1021, the upper end wall of the second limit flange 1042 is in sliding contact with the upper end wall of the first limit groove, the turntable 105 is rotatably arranged at the lower end of the upper shell 102, the upper end of the turntable 105 is provided with a limit column 1051 in a convex manner, the upper end wall of the limit column 1051 is in sliding contact with the upper end wall of the second limit groove 1022, the upper end wall of the limit column 1051 is provided with a plug hole 1052 in a plug part 1043 in a concave manner, the lower end of the rotary shaft 104 is provided with a plug part 1043, the plug hole 1052 and the plug portion 1043 are both in a flat structure, the plug portion 1043 can be vertically and slidably embedded in the plug hole 1052, the electric brush is arranged on the lower end wall of the turntable 105, the pulse output pin 106 and the power output pin 107 are respectively arranged on two sides of the lower shell 101, two sides of the rear end part of the pulse output pin 106 are respectively provided with a metal contact spring 1061, the electric brush is respectively in sliding and abutting electrical connection with the metal contact spring 1061, the upper end part of the lower shell 101 is concavely provided with a containing groove 1012, the metal button spring 108 is detachably arranged in the containing groove 1012, a plurality of metal contacts 1013 electrically connected with the power output pin 107 are convexly arranged at the bottom of the containing groove 1012, the metal button spring 108 can be respectively in abutting electrical connection with the metal contacts 1013, and the lower end part of the plug portion 1043 can be in abutting arrangement with the metal button spring 108.

As shown in fig. 3 and 5, the encoder further includes a pressing screw 109, a threaded hole 1044 is concavely formed in the lower end wall of the plugging portion 1043, the pressing screw 109 is disposed in the threaded hole 1044 in a screwing manner, the lower end portion of the pressing screw 109 is in a circular arc-shaped curved surface structure, the lower end portion of the pressing screw 109 is arranged in a manner of being abutted against the metal button spring 108, the pressing screw is driven to be pressed down through the pressing of the rotating shaft, so that the metal button spring is electrically connected with the metal contact in a manner of being abutted against the metal contact, the encoder has a switch function, and the pressing screw can enable the metal button spring to be pressed down more conveniently to be in contact with the metal contact.

As shown in fig. 3, four top corners of the upper end wall of the lower housing 101 are respectively provided with a first positioning pin 1014 in a protruding manner, four top corners of the upper housing 102 are respectively provided with a first positioning hole 1024 in a recessed manner, which is in one-to-one correspondence with the first positioning pins 1014, the first positioning pins 1014 are respectively detachably embedded in the first positioning holes 1024, and an alignment effect is achieved in the assembly process of the upper housing and the lower housing, so that the assembly between the upper housing and the lower housing is more convenient and faster.

As shown in fig. 2, the lower end wall of the lower case 101 is convexly provided with a plurality of second positioning pins 1015 to facilitate the installation and fixation of the rotary switch encoder on the circuit board.

As shown in fig. 2, the lower ends of the two side walls of the fixing bracket 103 are respectively provided with a welding pin 1032, so as to facilitate the welding and fixing of the rotary switch encoder on the circuit board.

As shown in fig. 1, a plurality of zigzag anti-slip ribs 1045 are convexly arranged at the upper end of the rotating shaft 104 along the circumferential direction, so as to play a role of anti-slip, and make the rotating shaft rotate more conveniently.

The working principle of the utility model is as follows: the upper end of the upper shell is concavely provided with a first through hole, the rotating shaft rotatably penetrates through the first through hole, the middle of the rotating shaft is convexly provided with a first limit flange and a second limit flange which extend along the circumferential direction side by side, the outer diameter of the second limit flange is larger than the outer diameter of the first limit boss, the lower end of the first through hole is concavely provided with a first limit groove and a second limit groove which extend along the circumferential direction side by side, the inner diameter of the second limit groove is larger than the inner diameter of the first limit groove, the first limit flange is in sliding butt with the inner peripheral wall of the first through hole, the upper end wall of the second limit flange is in sliding butt with the upper end wall of the first limit groove, the rotating disc is rotatably arranged at the lower end of the upper shell, the upper end of the rotating disc is convexly provided with a cylinder, and the upper end wall of the cylinder is in sliding butt with the upper end wall of the second limit groove, so that the rotating shaft is rapidly assembled and fixed on the upper shell.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a slim rotary switch encoder, its characterized in that includes lower casing, upper casing, fixed bolster, pivot, carousel, brush, pulse output pin, power output pin and metal button shell fragment, upper casing detachably covers locates the upper end of lower casing, fixed bolster detachably covers locates the upper end of upper casing, the lower tip of the both sides wall of fixed bolster inwards protruding respectively is equipped with two elasticity buckle arms, the concave a plurality of buckle grooves that are equipped with in both sides of the lower end wall of lower casing, elasticity buckle arm detachably respectively inlay in the buckle inslot set up, the upper end of upper casing concave is equipped with a through-hole, the pivot rotatably wears to locate in the through-hole sets up, the periphery wall in the middle of pivot is protruding to be equipped with two first limit flange and the second limit flange that extend along the circumferencial direction side by side, the outer diameter of the second limit flange is larger than that of the first limit flange, the lower end part of the through hole is provided with two first limit grooves and two second limit grooves which extend along the circumferential direction in a concave manner side by side manner, the inner diameter of the second limit groove is larger than that of the first limit groove, the outer peripheral wall of the first limit flange is in sliding abutting joint with the inner peripheral wall of the through hole, the upper end wall of the second limit flange is in sliding abutting joint with the upper end wall of the first limit groove, the rotary disc is rotatably arranged at the lower end part of the upper shell, the upper end part of the rotary disc is provided with a limit cylinder in a convex manner, the upper end wall of the limit cylinder is in sliding abutting joint with the upper end wall of the second limit groove, the upper end wall of the limit cylinder is provided with a plug hole in a concave manner, the lower end part of the rotary shaft is provided with a plug part, the plug hole and the plug part are both in flat structure, the plug part can be embedded in the plug hole in a vertically sliding way, the electric brush is arranged on the lower end wall of the rotary disc, the pulse output pin and the power output pin are respectively arranged on two sides of the lower shell, two sides of the rear end part of the pulse output pin are respectively provided with a metal contact spring piece, the electric brush is respectively connected with the metal contact spring pieces in a sliding and abutting way, the upper end of the lower shell is concavely provided with a containing groove, the metal button spring plate is detachably arranged in the containing groove, the bottom of the containing groove is convexly provided with a plurality of metal contacts electrically connected with the power output pins, the metal button spring plate can be respectively and electrically connected with the metal contacts in a butt joint way, and the lower end of the plug-in part can be arranged with the metal button spring plate in a butt joint way.

2. The thin rotary switch encoder according to claim 1, further comprising a pressing screw, wherein a threaded hole is concavely formed in the lower end wall of the plug-in portion, the pressing screw is screwed into the threaded hole, the lower end portion of the pressing screw is in a circular arc-shaped curved surface structure, and the lower end portion of the pressing screw is in abutting connection with the metal key elastic sheet.

3. The thin rotary switch encoder according to claim 1, wherein four corners of the upper end wall of the lower housing are respectively provided with a first positioning pin in a protruding manner, the four corners of the upper housing are respectively provided with a first positioning hole in a recessed manner, the first positioning holes are respectively detachably embedded in the first positioning holes, and the first positioning pins are respectively arranged in the first positioning holes in a one-to-one correspondence manner.

4. The low profile rotary switch encoder of claim 1, wherein the lower end wall of the lower housing is convexly provided with a plurality of second positioning pins.

5. The encoder as claimed in claim 1, wherein the lower ends of both side walls of the fixing bracket are respectively protruded with a welding pin.

6. The thin rotary switch encoder according to claim 1, wherein the upper end portion of the rotary shaft is provided with a plurality of zigzag anti-slip ribs protruding in a circumferential direction.