TWI676197B - Rotary adjustment structure and electronic device - Google Patents

Abstract

The invention relates to a rotation adjustment structure and an electronic device, and relates to the field of adjustment control devices. The main technical solution is: a rotation adjusting structure, which includes: a gear knob, a first side of the gear knob is provided with an annular slide rail; a lower fixing part is provided with the annular slide rail An adapted annular chute, the annular slide rail is slidably connected to the annular chute; wherein the groove bottom of the annular chute is provided with an elastic holding member, and the elastic holding member and the annular slide rail Phase support. The rotation adjusting structure of the invention is additionally provided with an elastic supporting member, which can support the gear knob, so that the gear knob loses the axial movement space, avoids the axial movement of the gear knob, and improves the rotating feel.

Description

Rotary adjustment structure and electronic equipment

The present invention relates to the field of adjustment control devices, and in particular, to a rotation adjustment structure and electronic equipment.

Rotary adjustment is generally used to adjust the volume, brightness, or color changes. Especially, it is most commonly used in the control of speakers and display screens.

In the prior art, a part of the gear knob is rotated in the annular chute of the lower fixing member to realize rotation adjustment. At this time, a certain gap needs to be left between the gear knob and the lower fixing member. Because of the machining error in the gap, the gear knob shaft Shaking easily loosens.

In order to avoid the axial shaking of the gear knob due to machining errors due to the gap, the grease is generally applied to the contact part of the gear knob to the fixed parts to ensure that the gear knob moves smoothly and does not shake, but this way is not easy to apply the grease evenly, just completed assembly The rear gear knob will be relatively astringent, and it will take a few turns until the grease is completely uniform to feel good.

The main purpose of the present invention is to provide a rotation adjustment structure and an electronic device. The technical problem to be solved is to prevent axial shaking during use, and at the same time ensure smooth rotation adjustment.

The objective of the present invention and its technical problems are solved by using the following technical solutions. A rotation adjustment structure according to the present invention includes: A gear knob, the first side of the gear knob is provided with an annular slide rail; a lower fixing part is provided with an annular slide groove adapted to the annular slide rail, and the annular slide rail and the An annular chute is slidably connected; wherein a bottom of the groove of the annular chute is provided with an elastic holding member, and the elastic holding member is held against the annular slide rail.

The object of the present invention and its technical problems can be further achieved by adopting the following technical measures. The aforementioned rotation adjustment structure is particularly selected, wherein the elastic supporting member includes an elastic supporting portion and a sliding supporting portion, and one end of the elastic supporting portion and The groove bottom of the annular slide groove abuts, the other end of the elastic support portion is connected to the slide support portion, and the slide support portion abuts the annular slide rail.

The aforementioned rotation adjustment structure is particularly selected, wherein the elastic supporting portion is made of foam material, and the sliding supporting portion is made of polytetrafluoroethylene material.

The aforementioned rotation adjustment structure is particularly selected, wherein the elastic holding member is ring-shaped, and the elastic holding member is disposed around the groove bottom of the annular chute.

The aforementioned rotation adjustment structure is particularly selected, wherein the elastic supporting members are columnar, the number of the elastic supporting members is multiple, and the plurality of elastic supporting members are evenly distributed on the groove bottom of the annular chute. .

The aforementioned rotation adjustment structure is particularly selected, wherein the elastic supporting member includes an elastic supporting portion and a rolling supporting portion, one end of the elastic supporting portion is in contact with the groove bottom of the annular chute, and the other end of the elastic supporting portion It is connected with the rolling support part, and the rolling support part is in contact with the annular slide rail.

The aforementioned rotation adjustment structure is particularly selected, wherein the groove bottom of the annular chute is provided with a receiving hole, and one end of the elastic supporting portion projects into the receiving hole to abut the bottom of the receiving hole. The other end protrudes from the receiving hole and is rotatably connected to the rolling support portion.

The aforementioned rotation adjustment structure is particularly selected, wherein a bottom of the annular slide rail is provided with a slide groove adapted to the rolling support portion.

The aforementioned rotation adjustment structure is particularly selected, further comprising: an elastic clamping member provided with a clamping groove, the elastic clamping member being connected to the groove bottom of the annular chute, and the clamping The groove is clamped at the bottom end of the annular slide rail.

The object of the present invention and its technical problems are also achieved by the following technical solutions. An electronic device according to the present invention includes: a rotation adjustment structure; the rotation adjustment structure includes: a gear knob, a first side of the gear knob is provided with an annular slide rail; a lower fixing member, the lower fixing member is provided with An annular chute adapted to the annular slide rail, the annular slide rail is slidably connected to the annular chute; wherein the groove bottom of the annular chute is provided with an elastic jacking member, and the elastic jacking The component abuts against the annular slide rail.

With the above technical solution, the rotation adjustment structure and the electronic device of the present invention have at least the following advantages: In the technical solution of the present invention, the rotation adjustment structure includes a gear knob and a lower fixing member, a ring slide rail of the gear knob and an annular slide groove of the lower fixing member. The sliding connection can be rotated in the annular chute, and the gear knob can be engaged with the adjustment gear of the control device. In this way, the adjustment gear can be driven to rotate during the rotation of the gear knob, so that the control device sends a corresponding adjustment signal to make the rotation adjustment. The structure can be used for electronic device volume adjustment, brightness adjustment or image color adjustment, etc .; in the above-mentioned process of adjusting the gear knob, the elastic holding member provided in the annular chute can jack the annular slide rail of the gear knob. Hold, make the gear knob lose the axial movement clearance, avoid the axial movement of the gear knob; the part of the elastic jacking part that is in contact with the annular slide rail can be made of polytetrafluoroethylene with a small friction coefficient. At this time, the annular slide rail can support the abutting parts made of polytetrafluoroethylene material to make the rotation process smoother. When the gear knob is axially fluctuated, the elastic supporting member can offset the axial fluctuation. There is no stutter, and the user feels better when adjusting the gear knob, which effectively improves the user experience.

The above description is only an overview of the technical solutions of the present invention. In order to understand the technical means of the present invention more clearly and can be implemented according to the contents of the description, the following describes in detail the preferred embodiments of the present invention and the accompanying drawings.

1‧‧‧Gear knob

11‧‧‧Inner ring gear

12‧‧‧ circular slide

2‧‧‧Upper fixing

3‧‧‧ Lower fixing parts

31‧‧‧annular chute

4‧‧‧accommodation space

5‧‧‧ adjusting gear

6‧‧‧control device

61‧‧‧Venturi Module

62‧‧‧Trigger

7‧‧‧ Elastic Supporting Parts

71‧‧‧ elastic support

72‧‧‧ sliding support

73‧‧‧rolling support

8‧‧‧ receiving hole

9‧‧‧ Elastic clamping parts

FIG. 1 is a schematic structural view of a rotation adjustment structure provided by an embodiment of the present invention; FIG. 2 is a partially enlarged structural schematic view of a rotation adjustment structure provided by an embodiment of the present invention; and FIG. 3 is another schematic view provided by an embodiment of the present invention Schematic diagram of a partially enlarged structure of a rotation adjustment structure; FIG. 4 is a schematic diagram of a partially enlarged structure of another rotation adjustment structure provided by an embodiment of the present invention.

Example one

As shown in FIG. 1 and FIG. 2, a rotation adjustment structure according to a first embodiment of the present invention includes: a gear knob 1 and a lower fixing member 3; a first side of the gear knob 1 is provided with an annular slide rail 12; and a lower fixing member 3 is provided with an annular chute 31 adapted to the annular slide rail 12, and the annular slide rail 12 is slidably connected to the annular chute 31; wherein the groove bottom of the annular chute 31 is provided with an elastic holding member 7 and an elastic holding member 7 Holds against the annular slide rail 12; the rotation adjusting structure can also be provided with an upper fixing member 2 and an internal ring gear 11 on the gear knob 1, and the upper fixing member 2 is provided on the second side of the gear knob 1 and fixed to the lower side The upper fixing member 2 and the lower fixing member 3 form an accommodation space 4. A control device 6 with an adjustment gear 5 can be provided in the accommodation space 4; then, the inner ring gear 11 is engaged with the adjustment gear 5 and then rotated The gear knob 1 can adjust the control device 6 to implement the adjustment control function, for example, it can be used as a switch for tuning or brightness adjustment.

Specifically, the rotation adjustment structure provided by the embodiment of the present invention may be used for a sound adjustment button of an audio device, and may also be used as an adjustment button for the brightness of an electronic screen, or used to adjust the gradation function of other electronic devices. The main body of the gear knob in the rotation adjustment structure of the present invention is an internal gear ring. An outer wall of the internal gear ring can be provided with a handheld portion of a concave-convex structure, which is used by a user to carry out rotation adjustment, such as the structure of a common adjustment knob; an internal gear ring The specifications and dimensions can be set according to specific needs. The material of the ring gear can be plastic or metal, which is not intentionally limited. The ring slide of the gear knob is set on one side of the ring gear and the internal tooth. The ring is made of the same material and can be made in one piece. It should be noted that the inner ring gear must be concentric with the ring slide rail. When the ring slide rail rotates along the ring groove, the ring ring and the ring slide rail rotate concentrically. . The upper fixing member and the lower fixing member need to be set according to the specific use situation and then set up according to the needs. The two can be connected by screws, buckles, or other fixed connection methods. Among them, the connection is fixed on the connection. When the upper and lower fixing members are used, a convex structure can be provided on the upper fixing member Pass the upper fixing part through the internal gear ring of the gear knob, or set a protrusion on the lower fixing part to let the lower fixing part pass through the internal gear ring of the gear knob, and then connect the two; it should be noted that the upper fixing part and the lower After the fixing parts are connected, the gear knob needs to be located between the two, without interfering with the movement process of the gear knob, so that the ring slide of the gear knob can rotate freely in the ring chute of the lower fixing part; There is a space that can accommodate the control device between the lower part and the lower fixing part. In addition, the lower fixing part can also be provided with a mounting structure for connecting to the electronic device, such as a mounting buckle or a mounting leg, according to the specific situation, Set as needed. The control device and the upper or lower fixing member are preferably connected by screws, and the installation position of the control device must ensure that it can cooperate with the gear knob, that is, the control gear can be engaged with the inner ring of the gear knob after the control device is installed. ; The transmission ratio between the ring gear and the adjustment gear can be set according to the specific use needs, that is, the diameter and number of teeth of the ring gear and the adjustment gear can be set according to the specific use requirements; In addition, the control device can be composed of a PCB board and an encoder Composition, the PCB board is connected to the electronic equipment, the adjustment gear is set on the encoder, and the adjustment gear and encoder are driven in turn by turning the gear knob to input the signal to the PCB board, and then the signal is transmitted from the PCB board to the electronic device, and then to the electronic device. Equipment generates control. The elastic support member provided on the groove bottom of the annular chute mainly supports the gear knob, so that the gear knob has no movement space in the axial direction; the elastic support member can be composed of two parts, and one part is an elastic support part that generates elastic force. For example, it can be an elastic member made of spring or foam material, and the other part is a support part supported by the gear knob. The support part is preferably made of a material with a small friction coefficient, or it can be an integrated structure, such as the use of foam Elastic support parts made of cotton material.

In the technical solution of the present invention, the rotation adjusting structure includes a gear knob and a lower fixing member, and a ring slide rail of the gear knob is slidably connected with the ring sliding groove of the lower fixing member and can rotate in the ring sliding groove; In the rotation adjustment structure, the gear knob can also be engaged with the adjustment gear of the control device, so that the adjustment gear can be driven to rotate during the rotation of the gear knob, so that the control device sends a corresponding adjustment signal, so that the rotation adjustment structure can be used for electronics. Equipment volume adjustment, brightness adjustment or image color adjustment, etc .; during the above-mentioned adjustment process of turning the gear knob, the elastic supporting member provided in the annular chute can support the annular slide rail of the gear knob to make the gear knob Lose the axial movement gap to avoid the axial movement of the gear knob; the part where the elastic holding part is in contact with the ring slide can be made of polytetrafluoroethylene with a small friction coefficient, so that the ring slide can be turned when the gear knob is turned Supporting the abutting parts made of polytetrafluoroethylene material to make the rotation process smoother, and when the axial fluctuation of the gear knob occurs, the elastic supporting parts can offset the axial fluctuation, and there is no stall. , So that the user feels better when adjusting the gear knob, effectively improving the user experience

As shown in FIG. 2, in the specific implementation, the elastic supporting member 7 includes an elastic supporting portion 71 and a sliding supporting portion 72. One end of the elastic supporting portion 71 is in contact with the groove bottom of the annular chute 31. One end is connected to the sliding support portion 72, and the sliding support portion 72 is in contact with the annular slide rail 12.

Specifically, the elastic support portion may be fixedly connected to the groove bottom of the annular chute, or may only be in abutment; if the elastic support portion is fixedly connected to the annular chute, the method may be glued, bolted or melt-welded; sliding The abutment between the support member and the annular slide rail may be a point contact or a surface contact.

As shown in FIG. 2, further, the elastic supporting portion 71 is made of foam material, and the sliding supporting portion 72 is made of polytetrafluoroethylene material.

Specifically, since the foam material can be manufactured into any shape, for example, it can be set according to the shape of the annular chute, and the foam material is soft and flexible, and it is convenient to mold, so the foam material is used to make the elastic support portion; Vinyl is a very self-lubricating material. It can be self-lubricated when sliding relative to the ring slide of the gear knob. That is, when assembling the gear knob and the lower fixing part, there is no need to paint between the ring slide and the ring slide. Lubricant, eliminating the need to apply lubricant.

In a specific implementation, the elastic supporting member may be arranged in a ring shape, and disposed at the bottom of the groove of the annular chute, or the elastic supporting member is columnar, the number of the elastic supporting member is multiple, and multiple elastic supporting members are provided. The parts are evenly distributed at the bottom of the groove of the annular chute.

Specifically, since the rotation of the gear knob relative to the lower fixing member is a movement behavior of the annular slide rail in the annular slide groove, in order to enable the annular slide rail to smoothly rotate in the annular slide groove, the elastic supporting member is spread over the annular shape. One round of the chute, so that the contact between the annular slide rail and the elastic support member is one surface, which can ensure the smoothness of the rotation of the gear knob; In addition, the columnar elastic support member is evenly distributed in the groove of the annular chute. At the bottom, it can also play a role of uniformly supporting the annular slide rail, so that the gear knob can rotate smoothly.

As shown in FIG. 3, in specific implementation, in another embodiment of the rotation adjusting structure of the present invention, the elastic holding member 7 includes an elastic support portion 71 and a rolling support portion 73, one end of the elastic support portion 71 and the annular chute 31. The bottom of the groove abuts, the other end of the elastic support portion 71 is connected to the rolling support portion 73, and the rolling support portion 73 abuts against the annular slide rail 12.

Specifically, the elastic support portion may be a spring, a foam block, or other elastic components, and the rolling support portion may be a steel ball or a ball of plastic material, or the rolling support portion may be a cylindrical column body. When the component supports the ring slide of the gear knob, the ring The slide rail can slide on the rolling support part, and the rolling support part can rotate relative to the bottom surface of the annular slide rail, so that the elastic knob can support the gear knob while ensuring that the gear knob can rotate smoothly.

Further, the groove bottom of the annular chute is provided with a receiving hole, one end of the elastic supporting portion projects into the receiving hole and abuts the bottom of the receiving hole, and the other end of the elastic supporting portion protrudes from the receiving hole and is rotatably connected with the rolling supporting portion; The bottom of the slide rail is provided with a slide groove adapted to the rolling support portion.

Specifically, when the elastic support portion is a spring or other column-shaped elastic member, in order to prevent the position of the elastic support portion from moving during the rotation of the gear knob, the elastic support portion is placed in the manner described above to accommodate the hole, but the elasticity must be ensured. A part of the support part exposes the receiving hole, and the length of the exposed part can be set according to the specific space; the elastic support part and the rolling support part can be rotationally connected through the receiving frame, for example, the end of the elastic support part protruding from the receiving hole. A hemispherical or semi-cylindrical receiving frame is set, and then the rolling support portion is set in the receiving frame to realize a rotational connection; in order to enable the rolling support portion to smoothly rotate relative to the ring slide of the gear knob, it can be adapted in the ring The bottom of the slide rail is provided with a slide groove adapted to the rolling support portion; and in order to enable the gear knob to rotate smoothly, a plurality of elastic holding members can be evenly arranged in the annular ring groove.

As shown in FIG. 4, in specific implementation, the rotation adjustment structure provided by the present invention can also solve the problem of the axial shaking of the gear knob 1 by adding an elastic clamping member 9; wherein the elastic clamping member 9 is provided with a clamping groove. The shape of the clamping groove needs to be matched with the bottom end of the annular slide rail 12 of the gear knob 1. The clamping groove can insert the bottom end of the annular slide rail 12 into the clamping groove under the effect of pressure. At this time, the clamp The two groove walls of the holding groove are deformed to generate a clamping force, and the annular slide rail 12 is clamped. After the elastic clamping member 9 is connected to the groove bottom of the annular chute 31, it can be used to limit the axial movement of the gear knob 1.

Further, the whole of the clamping groove may be a ring matching the annular chute, or may be a plurality of clamping grooves evenly arranged in the annular chute; and in order to make the clamping groove and the annular slide rail better match , The groove shape of the clamping groove can be set to an I-shape, and the bottom end of the annular slide rail can be set to match the shape, that is, the slide grooves are provided on the two sides of the annular slide rail from the bottom end surface, so that the The section from the bottom to the side of the chute is in an I-shape that matches the direction of the clamping groove.

As shown in FIG. 1, in a specific implementation, the control device 6 includes a PCB board 61 and a trigger member 62. The PCB board 61 is connected to the upper fixing member 2 or the lower fixing member 3, and the trigger member 62 is disposed on the PCB board 61. The adjusting gear 5 is connected to the input end of the triggering member 62.

Specifically, the PCB board has a pre-integrated structure for connecting with electronic equipment. The main function is to realize the output and control of the adjustment control signal. For the specific structure, refer to the structure of the PCB board in the rotary adjustment switch in the prior art. It is also possible to set the PCB board structure according to specific needs, which is not specifically limited in the present invention; the encoder is a rotary encoder, and the gear is adjusted to fit on the input end of the encoder; when the gear knob is turned, the gear knob The internal gear ring drives the adjustment gear to rotate, which in turn drives the input end of the encoder, so that the encoder outputs the corresponding adjustment signal to the PCB board, and then outputs it to the electronic device through the PCB board to achieve the volume, brightness, or other functions of the electronic device. Adjustment.

Example two

As shown in FIG. 1 and FIG. 2, an electronic device according to a second embodiment of the present invention includes a rotation adjustment structure. The rotation adjustment structure includes: a gear knob 1, a lower fixing member 3, and a gear rotation. The first side of the button 1 is provided with an annular slide rail 12; the lower fixing member 3 is provided with an annular slide groove 31 adapted to the annular slide rail 12, and the annular slide rail 12 is slidably connected to the annular slide groove 31; The groove bottom of 31 is provided with an elastic holding member 7, and the elastic holding member 7 is held against the annular slide rail 12.

Specifically, the rotation adjustment structure described in the second embodiment may directly use the rotation adjustment structure provided in the foregoing first embodiment. For a specific implementation structure, refer to related content described in the foregoing first embodiment, and details are not described herein again. The electronic device may be a speaker.

In the technical solution of the present invention, the rotation adjusting structure used by the electronic device includes a gear knob and a lower fixing member, and the ring slide rail of the gear knob is slidably connected with the ring sliding groove of the lower fixing member and can rotate in the ring sliding groove. In the structure, the gear knob can also be engaged with the adjustment gear of the control device, so that the adjustment gear can be driven to rotate during the process of turning the gear knob, so that the control device sends a corresponding adjustment signal, so that the rotation adjustment structure can be used for the volume of the electronic device. Adjustment, brightness adjustment or image color adjustment, etc .; during the above-mentioned adjustment process of turning the gear knob, the elastic supporting member provided in the annular chute can support the annular slide rail of the gear knob, so that the gear knob loses its axial direction. The movement clearance of the gear knob avoids the axial movement of the gear knob. The part of the elastic holding part that is in contact with the annular slide rail can be made of polytetrafluoroethylene with a small friction coefficient. The abutting parts made of Teflon material support, making the rotation process smoother, When the knob rotates the gear axial fluctuation occurs, the top of the elastic holding member can be axially offset fluctuation, does not present the card, and thus the user feel better during adjustment gear knob, effectively enhance the user experience.

The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Any simple modifications, equivalent changes, and modifications made to the above embodiments in accordance with the technical essence of the present invention still belong to the present invention. Within the scope of the invention.

Claims (10)

A rotation adjusting structure includes a gear knob, a ring slide rail is provided on a first side of the gear knob, and a lower fixing member is provided with an annular slide groove adapted to the ring slide rail, The annular slide rail is slidably connected to the annular slide groove; wherein, the groove bottom of the annular slide groove is provided with an elastic holding member, and the elastic retaining member is held against the annular slide rail; and wherein the annular slide groove is provided There is a first side wall and a second side wall opposite to each other, and the bottom end of the annular slide rail extends between the first side wall and the second side wall. The rotation adjusting structure as described in the first item of the patent application scope, wherein the elastic supporting member includes an elastic supporting portion and a sliding supporting portion, one end of the elastic supporting portion is in contact with the groove bottom of the annular chute, and the elastic supporting The other end of the part is connected to the sliding support part, and the sliding support part is in contact with the annular slide rail. As described in item 2 of the scope of the patent application, the rotation adjusting structure is in which the elastic supporting portion is made of foam material, and the sliding supporting portion is made of polytetrafluoroethylene material. According to the rotation adjusting structure described in the first item of the patent application scope, wherein the elastic supporting member is a ring, and the elastic supporting member is arranged around the bottom of the groove of the annular chute. As described in item 1 of the scope of the patent application, the rotation adjustment structure, wherein the elastic holding member is a column, the number of the elastic holding members is multiple, and the plurality of elastic holding members are evenly distributed in the annular chute. Bottom of the slot. The rotation adjusting structure as described in item 1 of the scope of patent application, wherein the elastic supporting member includes an elastic supporting portion and a rolling supporting portion, one end of the elastic supporting portion is in contact with the groove bottom of the annular chute, and the elastic supporting portion The other end is connected to the rolling support portion, and the rolling support portion is in contact with the annular slide rail. The rotation adjusting structure as described in item 6 of the scope of the patent application, wherein the groove bottom of the annular chute is provided with a receiving hole, and one end of the elastic supporting portion extends into a receiving hole to abut the bottom of the receiving hole. The elastic supporting portion The other end of the projection extends from the receiving hole and is rotatably connected to the rolling support portion. As described in item 7 of the scope of the patent application, the rotation adjustment structure, wherein a bottom of the annular slide rail is provided with a slide groove adapted to the rolling support portion. The rotation adjusting structure as described in item 1 of the scope of patent application, further comprising: an elastic clamping member, the elastic clamping member is provided with a clamping groove, and the elastic clamping member is connected to the groove bottom of the annular slide groove The clamping groove is clamped at the bottom end of the annular slide rail. An electronic device includes the rotation adjusting structure according to any one of the first to ninth scope of the patent application.