CN216928370U

CN216928370U - Switch and projecting apparatus with five to button and volume control function

Info

Publication number: CN216928370U
Application number: CN202123127074.6U
Authority: CN
Inventors: 余锋; 金凌琳; 赵凤洋
Original assignee: Dangqu Network Technology Hangzhou Co Ltd
Current assignee: Dangqu Network Technology Hangzhou Co Ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-07-08
Anticipated expiration: 2031-12-09

Abstract

The utility model relates to a switch and a projector with five-way keys and a volume adjusting function, comprising: the five-direction rotating device comprises a potentiometer, a shaft sleeve and a rocker support, wherein the shaft sleeve is positioned on the upper side of the potentiometer, the lower side surface of the shaft sleeve is provided with a rocker fixing hole, a rocker of the potentiometer is fixedly inserted into the rocker fixing hole, the rocker support is provided with a shaft sleeve fixing hole, and the upper end of the shaft sleeve is fixedly inserted into the shaft sleeve fixing hole; volume adjusting device is located five upside to rotating device, and includes encoder, internal gear and knob, and the encoder sets up for rocker support is fixed, the pivot and the internal gear fixed connection of encoder, and the knob medial surface interval is equipped with a plurality of teeth of a cogwheel, and the teeth of a cogwheel sets up with the internal gear meshing. The technical scheme of the utility model is that the inner gear and the rotating shaft of the encoder can be driven to rotate by rotating the knob, so that the volume is adjusted. And through swing and press the knob, just can realize the five functions of potentiometre, simple structure is stable, convenient operation, and the practicality is better.

Description

Switch and projecting apparatus with five to button and volume control function

Technical Field

The utility model relates to the field of switches, in particular to a switch with five-way keys and a volume adjusting function and a projector.

Background

The five-way key switch is provided with five fixed contacts, can control the disconnection and the connection of a plurality of units, and at present, a knob and a volume adjusting device are added on the basis of the five-way switch, so that the multifunctional switch with the five-way key and the volume adjustment is formed.

SUMMERY OF THE UTILITY MODEL

The switch with the five-way key and the volume adjusting function has the characteristics of simple and stable structure, convenience in operation and the like, and has better applicability.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a switch having a five-way button and a volume adjustment function, comprising: the five-direction rotating device comprises a potentiometer, a shaft sleeve and a rocker support, wherein the shaft sleeve is positioned on the upper side of the potentiometer, a rocker fixing hole is formed in the lower side surface of the shaft sleeve, a rocker of the potentiometer is fixedly inserted into the rocker fixing hole, a shaft sleeve fixing hole is formed in the rocker support, and the upper end of the shaft sleeve is fixedly inserted into the shaft sleeve fixing hole; volume adjusting device is located five to rotating device's upside, and includes encoder, internal gear and knob, the encoder for rocker support fixed set up, the pivot of encoder with internal gear fixed connection, the interval of knob medial surface is equipped with a plurality of teeth of a cogwheel, the teeth of a cogwheel with the internal gear meshing sets up.

Preferably, the five-way rotating device further comprises a potentiometer circuit board, and the potentiometer is fixedly connected with the potentiometer circuit board.

Preferably, the volume adjusting device further comprises an encoder circuit board, the encoder is fixedly connected with the encoder circuit board, and the encoder circuit board is fixedly mounted on the upper side surface of the rocker bracket; the encoder circuit board is provided with a limiting hole, the upper side face of the rocker bracket is provided with a limiting post, and the limiting post is inserted into the limiting hole.

Preferably, the volume adjusting device further comprises a support plate, wherein a crimping part is arranged on the inner side surface of the support plate, and the crimping part is crimped on the encoder circuit board; the rocker bracket, the encoder circuit board and the crimping part are all provided with fastening holes for the fastening pieces to pass through.

Preferably, the volume adjusting device further comprises a key support, and the key support is positioned on the upper side of the supporting plate; the key support is provided with a first connecting hole, the upper end face of the shaft sleeve is provided with a second connecting hole, and the key support is fixedly connected with the shaft sleeve through a fastener.

Preferably, the outer side surface of the supporting plate is provided with an annular lower step, the outer side surface of the key support is provided with an annular upper step, and the knob is rotatably arranged between the upper step and the lower step.

Preferably, a limit groove is formed in the side face, close to the knob, of the lower step; the lower side surface of the knob is provided with a plurality of limiting blocks at intervals, and the limiting blocks are inserted into the limiting grooves.

Preferably, the inner side surface of the knob comprises a first surface and a second surface which are adjacently arranged, and the first surface is in sliding abutting joint with the outer side surface of the supporting plate; the gear teeth are arranged on the second surface and are arranged at intervals with the outer side surface of the key support; the outer side surface of the key support is inwards sunken to form a mounting cavity, and the inner gear is located in the mounting cavity.

Preferably, the knob still including set up in first face with the crimping board between the second face, the crimping board go up the side with the teeth of a cogwheel butt, crimping board downside interval is equipped with a plurality of first joint pieces, the side of going up of backup pad is equipped with the second joint piece, two are located to the second joint piece card between the first joint piece.

Preferably, the volume adjusting device further comprises a cover plate, and the cover plate is fixedly arranged on the upper side face of the key support; four arrows are arranged at four corners of the cover plate, and the four arrows correspond to the swinging directions of the rocking bars of the potentiometer one by one.

A projector comprises a shell and a switch which is arranged on the shell and has a five-way key and a volume adjusting function, wherein the switch is the switch.

Compared with the prior art, the utility model has the beneficial effects that:

the switch that provides among the above-mentioned technical scheme has five to button and volume regulatory function, through the rocker fixed connection of axle sleeve and potentiometre, axle sleeve and rocker support fixed connection, the encoder is fixed to be set up in the side of going up of rocker support, and the pivot fixed connection of inner gear and encoder, and the knob sets up with the inner gear meshing, consequently, can drive the pivot rotation of inner gear and encoder through rotating the knob, realizes the regulation of volume then. And through swing and press the knob, just can realize the five to the function of potentiometre, simple structure is stable, convenient operation, the practicality is better.

Drawings

Fig. 1 is a schematic diagram of a switch with five-way keys and a volume adjustment function according to an embodiment of the present invention.

Fig. 2 is an assembly diagram of a potentiometer, a shaft sleeve and a potentiometer circuit board according to an embodiment of the present invention.

Fig. 3 is a schematic view of a bushing according to an embodiment of the present invention.

Fig. 4 is a schematic view of a rocker bracket according to an embodiment of the utility model.

Fig. 5 is a schematic view of another perspective view of the rocker bracket according to the embodiment of the utility model.

Fig. 6 is an assembly diagram of a five-direction rotating device, an encoder, an internal gear, and an encoder circuit board according to an embodiment of the present invention.

Fig. 7 is an exploded view of a knob, a support plate, a key holder, and a cover plate according to an embodiment of the present invention.

Fig. 8 is an assembly view of the internal gear, the knob, the encoder circuit board, and the support plate according to the embodiment of the present invention.

Fig. 9 is a schematic view of a supporting plate according to an embodiment of the present invention.

Fig. 10 is a schematic view of a knob according to an embodiment of the present invention.

Fig. 11 is a schematic view of a key holder according to an embodiment of the utility model.

Fig. 12 is an assembly view of an internal gear, a knob and a key holder according to an embodiment of the present invention.

Fig. 13 is a schematic diagram of a projector according to an embodiment of the present invention.

11. A potentiometer; 12. a shaft sleeve; 121. a rocker fixing hole; 122. a second connection hole; 13. a rocker bracket; 131. a shaft sleeve fixing hole; 132. a limiting column; 14. a potentiometer circuit board; 21. an encoder; 22. an internal gear; 23. a knob; 231. gear teeth; 232. a limiting block; 233. a first side; 234. a second face; 235. a pressure welding plate; 236. a first clamping block; 24. an encoder circuit board; 241. a limiting hole; 25. a support plate; 251. a crimping part; 252. descending a step; 253. a limiting groove; 254. a second clamping block; 26. a key holder; 261. a first connection hole; 262. an upper step; 263. a mounting cavity; 27. a cover sheet; 3. a housing.

Detailed Description

The present invention will now be described in more detail with reference to the accompanying drawings, in which the description of the utility model is given by way of illustration and not of limitation. The various embodiments may be combined with each other to form other embodiments not shown in the following description.

Referring to fig. 1, an embodiment of the present invention provides a switch with five-way keys and volume adjustment functions, including: a five-direction rotating device and a volume adjusting device. The five-direction rotating device comprises a potentiometer 11, a shaft sleeve 12, a rocker bracket 13 and a potentiometer circuit board 14. The volume adjusting device comprises an encoder 21, an internal gear 22, a knob 23, an encoder circuit board 24, a support plate 25, a key support 26 and a cover plate 27.

Referring to fig. 2 to 5, the potentiometer circuit board 14 is located at the lowest side, and the potentiometer 11 is fixedly connected to the upper side surface of the potentiometer circuit board 14. The potentiometer 11 comprises a rocker which can swing in four directions.

More preferably, the bushing 12 is cylindrical and is located on the upper side of the potentiometer 11. The shaft sleeve 12 is provided with a rocker fixing hole 121 on the lower side surface close to the potentiometer 11, the shape of the rocker fixing hole 121 is matched with that of a rocker, and the rocker can be fixedly inserted into the rocker fixing hole 121. The specific fixing mode can be interference fit. The sleeve 12 can swing together with the rocker.

The inner side surface of the rocker fixing hole 121 and the outer side surface of the rocker are both provided with limiting surfaces in the vertical direction, and when the rocker is inserted into the rocker fixing hole 121, the limiting surfaces are attached to each other, so that the shaft sleeve 12 and the rocker are prevented from rotating relatively.

In a preferred embodiment, the rocker bracket 13 is located on the upper side of the potentiometer 11, and the rocker bracket 13 is hollow near the lower side of the potentiometer 11 for receiving the potentiometer 11. The rocker bracket 13 is provided with a shaft sleeve fixing hole 131, and the shape of the shaft sleeve fixing hole 131 is matched with the shape of the upper end of the shaft sleeve 12. The upper end of the shaft sleeve 12 can be fixedly inserted into the shaft sleeve fixing hole 131. The specific fixing mode can be interference fit. The rocker arm support 13 can swing together with the shaft sleeve 12. Therefore, the user can realize the five-way function of the potentiometer 11 by swinging and pressing the rocker bracket 13.

The lower side surface of the rocker support 13 and the potentiometer circuit board 14 are arranged at intervals, so that the rocker support 13 is prevented from colliding with the potentiometer circuit board 14 when swinging together along with the rocker.

Referring to fig. 6 to 12, the encoder circuit board 24 is fixedly connected to the upper side of the rocker bracket 13. Specifically, one or more limiting posts 132 are arranged on the upper side surface of the rocker bracket 13, limiting holes 241 are correspondingly arranged on the encoder circuit board 24, and the limiting posts 132 are inserted into the limiting holes 241 in a one-to-one correspondence manner, so that relative displacement between the encoder circuit board 24 and the rocker bracket 13 is prevented.

More preferably, the encoder 21 is fixedly disposed on the upper side of the encoder circuit board 24, and the encoder 21 includes a rotatable shaft. The center of the inner gear 22 is provided with a rotating shaft fixing hole, and the rotating shaft of the encoder 21 can be fixedly inserted into the rotating shaft fixing hole. The securing means may be an interference fit. The rotary shaft of the encoder 21 can rotate together with the internal gear 22.

In order to prevent the relative rotation between the rotating shaft of the encoder 21 and the internal gear 22, the outer side surface of the rotating shaft of the encoder 21 and the inner side surface of the rotating shaft fixing hole are respectively provided with a limiting surface in the vertical direction, when the rotating shaft of the encoder 21 is fixedly inserted into the rotating shaft fixing hole, the limiting surfaces are attached to each other, and the relative rotation between the rotating shaft of the encoder 21 and the internal gear 22 can be prevented.

In a preferred embodiment, the supporting plate 25 is annular, and the diameter of the inner side surface of the supporting plate 25 is matched with the diameter of the upper side of the rocker bracket 13, that is, the supporting plate 25 can be sleeved on the upper end of the rocker bracket 13.

More preferably, the inner side surface of the supporting plate 25 is provided with one or more crimping portions 251, the crimping portions 251 extend inwards, and the lower side surfaces of the crimping portions 251 abut against the encoder circuit board 24, so that the stability of the installation of the encoder circuit board 24 is further increased.

The press-fit portion 251 is also provided with a limiting hole, and the limiting hole of the press-fit portion 251 is just located on the upper side of the limiting hole 241 of the encoder circuit board 24, so that the limiting column 132 can also be inserted into the limiting hole of the press-fit portion 251 to prevent the relative rotation between the support plate 25 and the encoder circuit board 24, and the rocker bracket 13.

More preferably, fastening holes are formed in the upper side surface of the rocker bracket 13, the encoder circuit board 24 and the crimping part 251, and the fastening members can sequentially penetrate through the fastening holes from top to bottom to fixedly connect the rocker bracket 13, the encoder circuit board 24 and the crimping part 251. Therefore, the encoder circuit board 24 and the support plate 25 can swing together with the rocker bracket 13.

In a preferred embodiment, the key holder 26 is located on the upper side of the supporting plate 25, and a mounting post is provided on the lower side of the key holder 26 close to the supporting plate 25, one end of the mounting post is fixedly connected to the key holder 26, and the other end extends toward the supporting plate 25. A first connection hole 261 is formed through the mounting post.

More preferably, a second connection hole 122 is formed in the upper end of the shaft sleeve 12, and a fastening member may sequentially pass through the first connection hole 261 and the second connection hole 122 to fixedly connect the key holder 26 with the shaft sleeve 12. The mounting column is abutted against the shaft sleeve 12 or the rocker bracket 13, so that the mounting stability between the key bracket 26 and the shaft sleeve 12 is improved. The key holder 26 can swing together with the sleeve 12.

In order to facilitate the installation of the key-press support 26, positioning columns and positioning holes are respectively arranged at the corresponding positions of the lower side surface of the key-press support 26 and the supporting plate 25, and each positioning column is inserted into each positioning hole in a one-to-one correspondence manner, so that the first connecting hole 261 and the second connecting hole 122 are aligned, and the installation is convenient.

More preferably, the outer side surface of the key holder 26 is recessed inwards to form a mounting cavity 263, and the internal gear 22 is located in the mounting cavity 263.

More preferably, the outer side surfaces of the supporting plate 25 and the key holder 26 are both smooth annular surfaces. The outer side surface of the support plate 25 is further provided with a lower step 252, and the lower step 252 extends along the outer side surface of the support plate 25 for a circle. The outer side surface of the key support 26 is further provided with an upper step 262, and the upper step 262 extends along the outer side surface of the key support 26 for a circle.

In the preferred embodiment, the knob 23 is ring-shaped and hollow inside. The knob 23 is rotatably disposed between the upper step 262 and the lower step 252. And the upper and lower side surfaces of the knob 23 can be abutted against or spaced from the upper step 262 and the lower step 252.

Specifically, the inner side surface of the knob 23 may be divided into a first surface 233 and a second surface 234 which are spaced up and down. The first surface 233 is a smooth annular surface, and the first surface 233 may be spaced apart from the outer side surface of the support plate 25.

In order to facilitate the rotation of the knob 23, a limiting groove 253 is arranged on the side surface of the lower step 252 close to the knob 23, and the limiting groove 253 is annular and extends for a circle along the lower step 252. The limiting groove 253 can be communicated with the outer side surface of the supporting plate 25. Simultaneously, the knob 23 is close to be equipped with a plurality of stopper 232 on the downside of backup pad 25, stopper 232 is and encircles the interval setting. The limiting blocks 232 are inserted into the limiting grooves 253, so that the knob 23 can rotate conveniently.

A plurality of gear teeth 231 are circumferentially spaced on the second surface 234, and the gear teeth 231 can be engaged with the internal gear 22. Therefore, by rotating the knob 23, the internal gear 22 and the rotating shaft of the encoder 21 can be driven to rotate, thereby realizing the volume adjustment.

In order to increase the accuracy and stability of the volume adjustment, a pressure contact plate 235 is further fixedly arranged between the first surface 233 and the second surface 234. The crimping plate 235 is annular, just the upper side of crimping plate 235 with gear teeth 231 butt, the downside of crimping plate 235 with the upper side interval of backup pad 25 sets up.

More specifically, the downside of crimping board 235 is equipped with a plurality of first joint pieces 236, each first joint piece 236 is the setting of encircleing, and adjacent there is certain distance in the interval between the first joint piece 236. The side of going up of backup pad 25 is equipped with second joint piece 254, second joint piece 254 protrusion in the side of going up of backup pad 25, and can block and locate adjacently between first joint piece 236. When the knob 23 is rotated, the second clamping blocks 254 can be clamped between different adjacent first clamping blocks 236, so that the knob 23 is rotated with a rhythm sense and more accuracy. And the first clamping block 236 and the second clamping block 254 are limited mutually, so that the knob 23 can be prevented from rotating due to an unexpected condition, and the stability of volume adjustment is ensured.

In order to facilitate the user to rotate the knob 23, a plurality of rubbing strips are arranged on the outer side surface of the knob 23 at intervals in a surrounding manner, and the rubbing strips can increase the friction force between the rubbing strips and the human hand, so that the knob 23 can be rotated conveniently.

In a preferred embodiment, the cover 27 is fixedly disposed on the upper side of the key holder 26 by means of fasteners or adhesive bonding. Four arrows are arranged on the cover plate 27, distributed at four corners and corresponding to the swing direction of the rocker of the potentiometer 11 one by one, so as to guide the swing direction for a user. The cover plate 27 is also provided with OK characters for guiding the user to press.

In summary, the switch with five-way keys and volume adjustment function provided by the utility model can realize volume adjustment by rotating the knob 23, and the volume adjustment is stable and accurate. Secondly, the user can realize the five-way function of the potentiometer 11 by swinging the knob 23, the support plate 25, the key support 26 and pressing the cover plate 27, and the operation is simple and convenient. The switch with the five-way key and the volume adjusting function is complete in function, simple and stable in overall structure and good in practicability.

Referring to fig. 13, the present invention further provides a projector, the projector includes a housing 3, the switch with five-way button and volume adjustment function is disposed on the housing 2, and a user can swing the switch to control the related work of the projector, and rotate the knob 23 to control the volume of the projector, so that the operation is simple and convenient.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. A switch having a five-way button and volume adjustment, comprising:

the five-direction rotating device comprises a potentiometer (11), a shaft sleeve (12) and a rocker support (13), wherein the shaft sleeve (12) is positioned on the upper side of the potentiometer (11), a rocker fixing hole (121) is formed in the lower side surface of the shaft sleeve, a rocker of the potentiometer (11) is fixedly inserted into the rocker fixing hole (121), a shaft sleeve fixing hole (131) is formed in the rocker support (13), and the upper end of the shaft sleeve (12) is fixedly inserted into the shaft sleeve fixing hole (131);

volume adjusting device is located five upside to rotating device, and include encoder (21), internal gear (22) and knob (23), encoder (21) for rocker support (13) are fixed to be set up, the pivot of encoder (21) with internal gear (22) fixed connection, knob (23) medial surface interval is equipped with a plurality of teeth of a cogwheel (231), teeth of a cogwheel (231) with internal gear (22) meshing sets up.

2. The switch of claim 1, wherein said five-way swivel further comprises a potentiometer circuit board (14), said potentiometer (11) being fixedly connected to said potentiometer circuit board (14).

3. The switch of claim 1, wherein the volume adjusting device further comprises an encoder circuit board (24), the encoder (21) is fixedly connected with the encoder circuit board (24), and the encoder circuit board (24) is fixedly installed on the upper side surface of the rocker bracket (13); the encoder circuit board (24) is provided with a limiting hole (241), the upper side face of the rocker support (13) is provided with a limiting column (132), and the limiting column (132) is inserted into the limiting hole (241).

4. A switch according to claim 3, wherein the volume adjusting means further comprises a support plate (25), a press-fitting portion (251) is provided on an inner side surface of the support plate (25), and the press-fitting portion (251) is press-fitted to the encoder circuit board (24); the rocker bracket (13), the encoder circuit board (24) and the crimping part (251) are all provided with fastening holes for fasteners to penetrate through.

5. The switch of claim 4, wherein the volume adjusting means further comprises a key holder (26), the key holder (26) being located at an upper side of the support plate (25); the key support (26) is provided with a first connecting hole (261), the upper end face of the shaft sleeve (12) is provided with a second connecting hole (122), and the key support (26) is fixedly connected with the shaft sleeve (12) through a fastener.

6. The switch of claim 5, wherein the outer side of the supporting plate (25) is provided with an annular lower step (252), the outer side of the key holder (26) is provided with an annular upper step (262), and the knob (23) is rotatably disposed between the upper step (262) and the lower step (252).

7. The switch of claim 6, wherein the lower step (252) is provided with a limit groove (253) on the side surface close to the knob (23); the downside interval of knob (23) is equipped with a plurality of stopper (232), stopper (232) are inserted and are located in spacing groove (253).

8. The switch according to claim 5, characterized in that the inner side of the knob (23) comprises a first face (233) and a second face (234) arranged adjacently, the first face (233) being in sliding abutment with the outer side of the support plate (25); the gear teeth (231) are arranged on the second surface (234), and the gear teeth (231) are arranged at intervals with the outer side surface of the key support (26); the outer side surface of the key support (26) is inwards sunken to form a mounting cavity (263), and the internal gear (22) is located in the mounting cavity (263).

9. The switch of claim 8, wherein the knob (23) further comprises a pressing plate (235) disposed between the first surface (233) and the second surface (234), an upper side surface of the pressing plate (235) abuts against the gear teeth (231), a plurality of first clamping blocks (236) are disposed at intervals on a lower side surface of the pressing plate (235), a second clamping block (254) is disposed on an upper side surface of the supporting plate (25), and the second clamping block (254) is clamped between the two first clamping blocks (236).

10. The switch of claim 6, wherein the volume adjustment device further comprises a cover plate (27), the cover plate (27) being fixedly arranged on the upper side of the key holder (26); four arrows are arranged at four corners of the cover plate (27), and the four arrows correspond to the swinging directions of the rocking bars of the potentiometer (11) one by one.

11. A projector comprising a housing (3), and a switch having a five-way button and a volume adjustment function provided on the housing (3), the switch being the switch according to any one of claims 1 to 10.