WO2019127056A1 - Encoder assembly - Google Patents

Abstract

An encoder assembly, comprising an encoding knob (11), an encoder (12) and a locking piece (13); the encoding knob (11) is provided with an axial assembly hole (111), and the outer end face of the axial assembly hole (111) is provided with a positioning locking structure (112); the encoder (12) comprises a rotation shaft (121) and a stopping portion (122) provided at an end of the rotation shaft; the locking piece (13) is used for allowing the stopping portion (122) to pass through when the rotation shaft (121) is inserted into the axial assembly hole (111), and the locking piece (13) is rotated to form a lock together with the positioning locking structure (112) while preventing the axial loosening of the stopping portion (122). According to such an encoder assembly, the axial loosening of the encoder can be prevented, simplifying the assembly, achieving high reliability, facilitating the miniature design and model selection of the encoder.

Description

Encoder component

[Technical Field]

The present invention relates to the field of electronic device technologies, and in particular, to an encoder assembly.

 【Background technique】

Encoders are widely used in professional communication equipment and consumer electronics. Due to their structural design and assembly requirements, the human body is inconvenient to operate the encoder directly, and the operability is poor. Therefore, in actual use, the encoder needs to be assembled with the coding knob, which is convenient for the human body. Operation to achieve related functions.

In the prior art, the encoder and the encoder knob are generally assembled in such a manner that the shaft of the encoder is inserted into the mounting hole of the encoder knob, and then the axial displacement of the encoder is limited by the friction provided by the elastic lining. The knob is easy to fall off during use, and the reliability is poor; or the shaft of the encoder is assembled with the coding knob by bolt connection. In order to meet the bolt size and structural strength, the minimum diameter of the shaft must be ensured, which is not conducive to coding. Micro design or selection of the device.

 [Summary of the Invention]

The present invention mainly provides an encoder assembly, which aims to solve the problem that the encoder and the encoder knob are easily detached.

In order to solve the above technical problem, a technical solution adopted by the present invention is to provide an encoder assembly, the encoder assembly comprising: a coding knob, and an axial assembly hole, wherein an outer end surface of the axial assembly hole is provided Positioning the locking structure; the encoder includes a rotating shaft and a stopping portion disposed at the end of the rotating shaft; and a locking piece for allowing the stopping portion to pass when the rotating shaft is inserted into the axial mounting hole, And locking the locking structure with the positioning locking structure by rotating the locking piece while restricting axial release of the stopping portion.

The invention has the beneficial effects that, unlike the prior art, when the invention is inserted into the axial assembly hole of the coding knob through the rotating shaft of the encoder, the locking piece allows the stop of the encoder to pass through and is locked by rotation. The positioning locking structure on the outer end surface of the axial assembly hole forms a locking locking method, which limits the axial looseness of the stopping portion, thereby limiting the axial drop of the encoder, and the assembly is simple and the reliability is strong. And it is conducive to the micro-mini design and selection of the encoder.

 [Description of the Drawings]

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings may be obtained according to these drawings without any creative work, wherein:

1 is an exploded perspective view of an embodiment of an encoder assembly provided by the present invention;

Figure 2 is a cross-sectional view of the encoder knob of Figure 1;

Figure 3 is an enlarged schematic view of a portion A of Figure 2;

Figure 4 is a cross-sectional view showing the assembly of the encoder knob and the encoder of Figure 1;

Figure 5 is a schematic structural view of the locking piece of Figure 1;

Figure 6 is a first perspective view of the locking piece of Figure 5 assembled with the structure of Figure 4;

Figure 7 is a second perspective view of the locking piece of Figure 5 assembled with the structure of Figure 4;

Figure 8 is a cross-sectional view showing the structure of Figure 7;

Figure 9 is a perspective view of the various structures of Figure 1.

【Detailed ways】

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Referring to FIG. 1, an encoder assembly embodiment provided by the present invention includes an encoding knob 11, an encoder 12, and a locking tab 13.

Referring to FIG. 2, the encoder knob 11 is provided with an axial fitting hole 111, wherein the axial fitting hole 111 is surrounded by a first curved surface 1111 and a first flat surface 1112 connecting the two ends of the first curved surface 1111.

Further, the outer end surface 1113 of the axial mounting hole 111 is provided with a positioning locking structure 112. It can be understood that the axial mounting hole 111 has two outer end surfaces, and the positioning locking structure 112 in this embodiment can be disposed in any Outer end face.

Optionally, the number of the positioning locking structures 112 is two and is oppositely disposed.

Further, in the embodiment, the outer end surface 1113 provided with the positioning locking structure 112 is recessed in the coding knob 11.

Optionally, the positioning and locking structure 112 is a card slot. In other embodiments, the positioning and locking structure 112 can also be a convex structure.

Referring to FIG. 3, the card slot of the positioning locking structure 112 is provided with a first inclined guiding surface 1121.

Further, the outer end surface 1113 is further provided with a pre-installation positioning groove 113. Optionally, the number of pre-assembled positioning grooves 113 is two and oppositely disposed.

The pre-installation positioning groove 113 is provided with a third inclined guiding surface 1131.

With reference to FIG. 1 , the encoder 12 includes a rotating shaft 121 and a stopping portion 122 disposed at an end of the rotating shaft 121 , and further includes a body 123 . The body 123 and the stopping portion 122 are respectively disposed at two ends of the rotating shaft 121 .

The rotating shaft 121 includes a second curved surface 1211 and a second flat surface 1212 connecting the two curved surfaces 1211 , and the second curved surface 1211 and the second flat surface 1212 are respectively disposed in cooperation with the first curved surface 1111 and the first flat surface 1112 .

Referring to FIG. 4, when the encoder 12 is assembled with the encoder knob 11, the rotating shaft 121 is provided with one end of the stopping portion 122 inserted from the side of the encoder knob 11 away from the outer end surface 1113 into the axial fitting hole 111 of the encoder knob 11 until the stop The portion 122 completely passes through the axial mounting hole 111. After the insertion, the second curved surface 1211 and the second flat surface 1212 cooperate with the first curved surface 1111 and the first flat surface 1112, respectively, so that the rotating shaft 121 and the encoding knob 11 are encoded. The knob 11 is relatively fixed in progress.

Wherein, when the stopping portion 122 completely passes through the axial fitting hole 111, a predetermined gap is formed between the stopping portion 122 and the outer end surface 1113.

The locking piece 13 is configured to allow the stopper portion 122 to pass through when the rotating shaft 121 is inserted into the axial fitting hole 111, and to form a locking lock with the positioning locking structure 112 by rotating the locking piece 13 while restricting the axial locking of the stopping portion Take off.

Referring to FIG. 5, FIG. 6, and FIG. 7, the locking piece 13 is provided with a through slot 131. The through slot 131 is matched with the stopping portion 122. When assembled, the stopping portion 122 is as shown in FIG. After passing through the through slot 131 at an angle, the locking piece 13 is rotated to a second angle as shown in FIG. 7 and the stop portion 122 constitutes a misalignment stop.

Wherein, the thickness of the locking piece 13 is not greater than a predetermined gap between the stopping portion 122 and the outer end surface 1113, so that the locking piece 122 can be rotated to the position after the stopping portion 122 passes through the through groove 131 at a first angle. Between the stopper portion 122 and the outer end surface 1113, the stopper portion 122 constitutes a misalignment stop.

Optionally, the two end faces of the locking piece 13 abut against the stopping portion 122 and the outer end surface 1113, respectively.

Further, the locking piece 13 is provided with a protrusion 132 that cooperates with the slot of the positioning locking structure 112. Alternatively, the number of the protrusions 132 is two and is oppositely disposed.

The protrusion 132 is provided with a second inclined guiding surface 1321, and the second inclined guiding surface 1321 is disposed in cooperation with the third inclined guiding surface 1131.

Specifically, after the stopper portion 122 passes through the through groove 131 at a first angle as shown in FIG. 6, the protrusion 132 cooperates with the pre-assembled positioning groove 113. At this time, the locking piece 13 is continued to be rotated, and the locking piece is retained. 13 elastically deforms under the interaction of the second inclined guiding surface 1321 of the protrusion 132 and the third inclined guiding surface 1131 of the pre-assembled positioning groove 113, so that the protrusion 132 relatively moves along the outer end surface 1113 until the locking The sheet 13 is rotated to a second angle as shown in FIG. 7. Referring to FIG. 8, when the locking piece 13 is rotated to the second angle, the protrusion 132 is moved into the card slot and engaged with the card slot to be locked. The sheet 13 is locked with the encoder knob 11.

Further, the second inclined guiding surface 1321 is disposed in cooperation with the first inclined guiding surface 1121.

Specifically, when the locking piece 13 needs to be disassembled, the locking piece 13 is continuously rotated after the card slot is engaged with the protrusion 132, and the locking piece 13 is at the first inclined guiding surface 1121 and the second inclined guiding surface 1321. The elastic deformation occurs under the interaction, so that the protrusion 132 is relatively moved along the outer end surface 1113 to be disengaged from the card slot until the locking piece 13 is rotated to the first angle as shown in FIG. Stopper 13.

Referring to FIG. 5, the locking piece 13 of the embodiment further includes a force receiving portion 133 for receiving an external tool to apply force to rotate the locking piece.

Optionally, the number of the force receiving portions 133 is two, and is symmetrically disposed in a center.

In addition, the locking piece 13 is further provided with a notch 134. The notch 134 facilitates the above-described elastic deformation of the locking piece 13. Alternatively, the number of the notches 134 is two and is oppositely disposed.

Referring further to FIG. 1, the embodiment further includes a trim member 14 and a channel selection button 15.

The decorative member 14 is disposed in cooperation with the recess of the outer end surface 1113.

Referring to Fig. 9, the decorative member 14 is fitted into the recess of the outer end surface 1113 facing the outer end surface 1113 and conforms to the recess, so that the appearance of the encoder assembly of the present embodiment is more beautiful.

The channel selection button 15 is relatively fixed to the rotating shaft 121. Specifically, the channel selection button 15 is disposed on a side of the encoding knob 11 away from the decorative member 14. The rotating shaft 121 penetrates the channel selection button 15 on the side and cooperates with the channel selection button 15. It is fixed relative to the channel selection button 15.

Different from the prior art, when the invention is inserted into the axial assembly hole of the coding knob through the rotating shaft of the encoder, the locking piece allows the stopper of the encoder to pass through, and is rotated outside the axial assembly hole by rotating the locking piece The positioning locking structure on the end face constitutes a locking locking method, which limits the axial looseness of the stopping portion, thereby limiting the axial drop of the encoder, the assembly is simple, the reliability is strong, and the micro-small design of the encoder is facilitated. And selection

The above is only the embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformation of the present invention and the contents of the drawings may be directly or indirectly applied to other related technologies. The fields are all included in the scope of patent protection of the present invention.

Claims (10)

1. An encoder assembly, characterized in that the encoder component comprises:

   The coding knob is provided with an axial assembly hole, and the outer end surface of the axial assembly hole is provided with a positioning locking structure;

   The encoder includes a rotating shaft and a stopping portion disposed at an end of the rotating shaft;

   a locking piece for allowing the stop portion to pass when the rotating shaft is inserted into the axial fitting hole, and locking the locking structure with the positioning locking structure by rotating the locking piece while limiting The stopper is axially loose.
2. The encoder assembly of claim 1 wherein said locking tab is provided with a through slot, said through slot being adapted to said stop, said stop passing through at a first angle After the through slot, the locking piece is rotated to a second angle and the stop portion constitutes a misalignment stop.
3. The encoder assembly according to claim 2, wherein the positioning locking structure is a card slot, and the locking piece is provided with a protrusion that cooperates with the card slot, and the locking piece is rotated to In the second angle, the card slot is engaged with the protrusion.
4. The encoder assembly according to claim 3, wherein the card slot is provided with a first inclined guiding surface, and the protrusion is provided with a second inclined guiding surface, the first inclined guiding surface and The second inclined guiding surface is cooperatively disposed to rotate the locking piece after the card slot is engaged with the protrusion, the locking piece is on the first inclined guiding surface and the first The elastic deformation occurs under the interaction of the two inclined guiding surfaces, so that the protrusions are relatively moved along the outer end surface to be disengaged from the card slot.
5. The encoder assembly according to claim 3, wherein said outer end surface is further provided with a pre-assembled positioning groove, said protrusion being after said stop portion passes through said through groove at a first angle The pre-assembled positioning slots are matched.
6. The encoder assembly according to claim 5, wherein the pre-assembled positioning groove is provided with a third inclined guiding surface, and the third inclined guiding surface is disposed in cooperation with the second inclined guiding surface, Interacting the locking piece on the second inclined guiding surface and the third inclined guiding surface when the locking piece is rotated after the protrusion cooperates with the pre-assembled positioning groove The elastic deformation occurs under the second, and the protrusion is relatively moved along the outer end surface into the card slot.
7. The encoder assembly according to claim 1, wherein the locking piece is further provided with a force receiving portion for receiving an external tool to urge the locking piece to rotate.
8. The encoder assembly according to claim 1, wherein said axial fitting hole is surrounded by a first curved surface and a first plane connecting both ends of said first curved surface, said rotating shaft comprising a second a curved surface and a second plane connecting the two ends of the second curved surface, wherein the second curved surface and the second flat surface are respectively disposed with the first curved surface and the first plane, so that the rotating shaft When inserted into the axial assembly hole, the shaft is relatively fixed to the encoder knob in the radial direction of the encoder knob.
9. The encoder assembly of claim 1 wherein said outer end surface is recessed in said coded knob, said encoder assembly further comprising a trim member mate with said recess of said outer end surface Settings.
10. The encoder assembly of claim 1 wherein said encoder assembly further comprises a channel selection button, said spindle extending through said channel selection button and relatively fixed with said channel selection button.