CN218849314U

CN218849314U - Projecting apparatus button structure and projecting apparatus

Info

Publication number: CN218849314U
Application number: CN202222617569.5U
Authority: CN
Inventors: 余锋; 金凌琳; 刘祥
Original assignee: Dangqu Network Technology Hangzhou Co Ltd
Current assignee: Dangqu Network Technology Hangzhou Co Ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-04-11
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to a projecting apparatus button structure and projecting apparatus, its projecting apparatus button structure includes: a housing; the first key is arranged on the shell, and the second key is positioned in the center of the first key and is arranged at an interval with the first key; one end of the first elastic piece is fixedly connected with the first key, and the other end of the first elastic piece is elastically connected to the shell; and one end of the second elastic piece is fixedly connected with the second key, and the other end of the second elastic piece is elastically connected to the first key, is positioned on one side of the first elastic piece close to the center of the first key, and is arranged at intervals in the vertical and horizontal directions with the first elastic piece. The utility model discloses technical scheme second elastic component is located the inboard of first elastic component, and there is not the condition of interlocking each other in the distribution of first elastic component and second elastic component on the space to first elastic component is elastic connection with the casing, and the second elastic component is elastic connection with first button, when pressing first button or second button, can effectively avoid appearing the condition that the mistake touched.

Description

Projecting apparatus button structure and projecting apparatus

Technical Field

The utility model relates to a projecting apparatus technical field especially relates to a projecting apparatus button structure and projecting apparatus.

Background

With the continuous development of science and technology and the continuous progress of projection technology, a projector is an optical instrument which utilizes an optical element to project the contour of a workpiece onto a screen, and is widely applied to places such as conferences, teaching and entertainment.

The existing projector is provided with a plurality of keys such as a direction key, an ok key and an on-off key, and the following problems mainly exist in the installation of the keys: in one case, the plurality of keys are installed more intensively, each key is installed on the shell through the corresponding elastic arm, and because the plurality of keys are arranged at relatively close positions and the plurality of elastic arms are staggered in spatial positions, interference is easy to occur, when a certain key is pressed, other elastic arms can be driven, and thus the situation that other keys are touched by mistake occurs; in another mode, in order to avoid the situation of mistaken touch, all the keys are separately arranged, however, the overall structure is not concentrated, the occupied space is large, and the problem of low space utilization rate can be caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a projecting apparatus button structure, this projecting apparatus button structure can effectively avoid appearing the condition that the mistake touched, has better suitability.

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

a projector key structure comprising:

a housing;

the first key is arranged on the shell, and the second key is positioned in the center of the first key and is arranged at an interval with the first key;

one end of the first elastic piece is fixedly connected with the first key, and the other end of the first elastic piece is elastically connected to the shell;

and one end of the second elastic piece is fixedly connected with the second key, and the other end of the second elastic piece is elastically connected to the first key, is positioned on one side of the first elastic piece close to the center of the first key, and is arranged at intervals in the vertical direction and the horizontal direction with the first elastic piece.

Preferably, first button includes the shell, and set up in direction button portion on the shell, the shell center is formed with the cavity, the second button install in the cavity, first elastic component with direction button portion is adjacent to be set up, the second elastic component is kept away from the one end of first button with the shell is connected.

Preferably, the casing is provided with a mounting column, the first elastic piece is far away from one end of the direction key part is provided with a mounting part, the mounting part penetrates along the thickness direction of the mounting part to form a mounting hole, and the mounting hole is sleeved outside the mounting column.

Preferably, the housing portion is formed with a mounting groove in which the first elastic member is located.

Preferably, the shell has a connection column, a connection portion is formed at one end of the second elastic element away from the second key, a slot hole is formed through the connection portion along the thickness direction of the connection portion, and the slot hole is sleeved outside the connection column.

Preferably, the circuit board has a first contact and a second contact, a first gap is provided between the first contact and the direction key portion, the second key has a contact portion, a second gap is provided between the contact portion and the second contact, and the second gap is greater than or equal to the first gap.

Preferably, the first gap is less than or equal to 0.1mm and the second gap is between 0.1mm and 0.3mm.

Preferably, the direction key parts are four and arranged in a surrounding manner, the number of the first elastic pieces is four, and the first elastic pieces are arranged adjacent to the direction key parts in a one-to-one correspondence manner.

Preferably, the four direction key portions are an upper key portion, a lower key portion, a left key portion and a right key portion, respectively.

The utility model also provides a projector, include projector button structure and circuit board, the circuit board sets up in the casing, just the circuit board is located the below of first button and second button.

Compared with the prior art, the beneficial effects of the utility model reside in that:

according to the projector key structure provided by the technical scheme, the first key is arranged on the shell, the second key is arranged in the center of the first key, the first key is connected with the shell through the first elastic piece, the second key is connected with the second key through the second elastic piece, so that the first elastic piece and the second elastic piece are not distributed in a staggered manner in space based on the fact that the second elastic piece is located on the inner side of the first elastic piece, the first elastic piece is elastically connected with the shell, the second elastic piece is elastically connected with the first key, and the situation of mistaken touch can be effectively avoided when the first key or the second key is pressed; and the first key and the second key are installed in a centralized manner by utilizing the central area of the first key, so that the utilization rate of space is improved.

Drawings

Fig. 1 is a schematic diagram of a projector according to an embodiment of the present invention.

Fig. 2 is a schematic view of the projector of fig. 1 from another viewing angle.

Fig. 3 is an enlarged schematic view of a point a shown in fig. 1.

Fig. 4 is a schematic diagram of a part of components in a projector according to an embodiment of the present invention.

Fig. 5 is a schematic cross-sectional view taken at B-B in fig. 4.

Description of reference numerals:

1. a housing; 11. mounting a column; 2. a first key; 21. a shell portion; 211. connecting columns; 212. mounting grooves; 22. a direction key section; 23. an upper key part; 24. a key-down part; 25. a left key section; 26. a right key section; 3. a second key; 31. a contact portion; 4. a first elastic member; 41. an installation part; 5. a second elastic member; 51. a connecting portion; 6. a circuit board; 61. a first contact; 62. a second contact.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1-5, an embodiment of the present invention provides a key structure of a projector, including: a housing 1; the key comprises a first key 2 and a second key 3, wherein the first key 2 is arranged on the shell 1, and the second key 3 is positioned in the center of the first key 2 and is arranged at intervals with the first key 2; one end of the first elastic element 4 is fixedly connected with the first key 2, and the other end of the first elastic element is elastically connected to the shell 1; and one end of the second elastic piece 5 is fixedly connected with the second key 3, and the other end of the second elastic piece is elastically connected to the first key 2, is positioned on one side of the first elastic piece 4 close to the center of the first key 2, and is arranged at intervals in the vertical and horizontal directions with the first elastic piece 4, namely, the projections of the first elastic piece 4 and the second elastic piece 5 in the vertical direction are not overlapped.

It should be noted that the elastic force of the second elastic member 5 is smaller than the force of the first key 2 or the second key 3 being pressed downward, and the elastic force of the second elastic member 5 is larger than the resilience force required by the second key 3, so as to provide a sufficient resilience force for the second key 3.

It can be understood that, as shown in fig. 1-3, with the center of the first key 2 as a reference, the second elastic element 5 and the first elastic element 4 are sequentially arranged in a direction away from the center of the first key 2, and the second elastic element 5 is located inside the first elastic element 4, therefore, the first elastic element 4 and the second elastic element 5 are not distributed in a space staggered manner, so that the situation of interference between the first elastic element 4 and the second elastic element 5 can be effectively avoided, the first elastic element 4 is elastically connected with the housing 1, the second elastic element 5 is elastically connected with the first key 2, when the first key 2 is pressed, the second key 3 cannot be pressed therewith, when the second key 3 is pressed, the first key 2 cannot be driven, and the situation of mis-touch can be effectively avoided. In addition, the first key 2 and the second key 3 are installed in a centralized mode by means of the central area of the first key 2, the space can be better planned, the utilization rate of the space is improved, the arrangement of external parts is reduced, and the assembling efficiency is higher.

The first key 2 may be an up-down-left-right key and the second key 3 may be an ok key. Specifically, the first key 2 includes a housing portion 21, and a direction key portion 22 disposed on the housing portion 21. The number of the direction key parts 22 is four, the direction key parts are arranged in a surrounding manner, and the direction key parts 22 can be independently pressed for use; the four direction key parts 22 are an upper key part 23, a lower key part 24, a left key part 25 and a right key part 26. The second key 3 is arranged at the center of the first key 2, and the four-direction key parts 22 are combined into one key, so that the space utilization rate is further improved, the arrangement of various parts is reduced, and the key assembly is facilitated; and interference between the first elastic piece 4 and the second elastic piece 5 can not be generated, and error touch can be effectively prevented.

Four first elastic members 4 are provided, and each first elastic member 4 is disposed adjacent to each direction key portion 22 in a one-to-one correspondence. Each first elastic member 4 provides a resilient force to the corresponding direction key portion 22, and when a certain direction key portion 22 is pressed, the direction key portion 22 can be effectively reset. Second elastic component 5 is equipped with two, and is located the both sides of second button 3 respectively, can be even provide the resilience force for second button 3 kick-backs more stably.

More specifically, the shell 21 is centrally formed with a cavity in which the second key 3 is disposed, the first elastic member 4 is disposed adjacent to the direction key portion 22, and an end of the second elastic member 5 away from the first key 2 is connected to the shell 21.

In order to realize the connection of first elastic component 4 and casing 1, casing 1 is last to have erection column 11, first elastic component 4 is kept away from the one end of direction button portion 22 is formed with installation department 41, installation department 41 runs through along its thickness direction and is formed with the mounting hole, the mounting hole cover is located outside the erection column 11. The shell portion 21 is formed with a mounting groove 212, and the first elastic member 4 is located in the mounting groove 212.

It is understood that the first elastic member 4 may be an elastic arm, which has an arc shape. The first elastic piece 4 is sleeved on the mounting column 11 through the mounting hole, so that the elastic connection between the first elastic piece 4 and the shell 1 is realized. When the first key 2 is pressed towards the inner side of the shell 1, one end of the first elastic piece 4 is elastically connected to the shell 1 to provide resilience force for the first key 2, so that the first key 2 can be reset after being pressed. In addition, by disposing the first elastic member 4 in the mounting groove 212, the utilization rate of the internal space of the housing 21 is improved, and the space of the housing 1 in the height direction can be saved, so that the overall structure is more compact.

In order to realize the connection between the second elastic element 5 and the first key 2, the housing 21 has a connection post 211, a connection portion 51 is formed at an end of the second elastic element 5 away from the second key 3, and a slot is formed through the connection portion 51 along the thickness direction thereof and is sleeved outside the connection post 211. The second elastic member 5 may be an elastic arm, and is in an arc shape. The connecting column 211 is sleeved with the slot hole to realize the elastic connection between the second elastic element 5 and the first key 2. When the second key 3 is pressed towards the inner side of the shell 1, one end of the second elastic piece 5 is elastically connected to the first key 2 to provide resilience force for the second key 3, so that the second key 3 can be reset after being pressed.

Further, the circuit board 6 has a first contact 61 and a second contact 62, a first gap is formed between the first contact 61 and the direction key portion 22, the second key 3 has a contact portion 31, and a second gap is formed between the contact portion 31 and the second contact 62. When the first contact 61 contacts the direction key part 22 or the second contact 62 contacts the contact part 31, the corresponding action can be generated after the key is pressed by the control action of the circuit board 6. The first key 2 and the second key 3 are arranged on the circuit board 6, corresponding action reaction can be generated without multiple keys, the use sensitivity of the keys is increased, and the service life of the keys is prolonged.

When the first key 2 is pressed downwards, if the second key 3 is driven by the first key 2 to move downwards, because the second gap is larger than or equal to the first gap, when the direction key part 22 is contacted with the first contact 61, the contact part 31 still has a gap with the second contact 62, and the condition of mistaken contact is further avoided.

In a preferred embodiment, the first gap is less than or equal to 0.1mm, and the second gap is 0.1mm to 0.3mm, so as to improve the reasonableness of assembly and the reasonable use of space.

With reference to fig. 1-5, the present invention further provides a projector, which includes the projector key structure and the circuit board 6, wherein the circuit board 6 is disposed in the casing 1, and the circuit board 6 is located below the first key 2 and the second key 3. The circuit board 6 is provided with a first contact 61 and a second contact 62, and when the first contact 61 contacts with the direction key part 22 or the second contact 62 contacts with the contact part 31, corresponding action can be generated after the key is pressed through the control action of the circuit board 6. Second elastic component 5 in the projecting apparatus button structure is located the inboard of first elastic component 4, and first elastic component 4 does not crisscross each other with distribution of second elastic component 5 in the space, can effectively avoid first elastic component 4 and the condition that second elastic component 5 appears interfering, can effectively avoid the condition that the button on this projecting apparatus appears the mistake and touches.

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

Claims

1. A projector key structure, comprising:

a housing;

2. The projector key structure as claimed in claim 1, wherein the first key includes a housing portion, and a direction key portion disposed on the housing portion, a cavity is formed at a center of the housing portion, the second key is disposed in the cavity, the first elastic member is disposed adjacent to the direction key portion, and an end of the second elastic member away from the first key is connected to the housing portion.

3. The projector key structure as claimed in claim 2, wherein the housing has a mounting post, a mounting portion is formed at an end of the first elastic member away from the direction key portion, a mounting hole is formed through the mounting portion in a thickness direction thereof, and the mounting hole is fitted outside the mounting post.

4. The projector key structure as claimed in claim 2, wherein the housing portion is formed with a mounting groove, and the first elastic member is positioned in the mounting groove.

5. The key structure of projector as claimed in claim 2, wherein the housing has a connection post, a connection portion is formed at an end of the second elastic member away from the second key, the connection portion has a slot formed therethrough along a thickness direction thereof, and the slot is sleeved outside the connection post.

6. The projector key structure as claimed in claim 2, wherein the circuit board has a first contact and a second contact, the first contact having a first gap with the direction key portion, the second key having a contact portion thereon, the contact portion having a second gap with the second contact, the second gap being greater than or equal to the first gap.

7. The projector key structure as claimed in claim 6, wherein the first gap is less than or equal to 0.1mm, and the second gap is 0.1mm to 0.3mm.

8. The projector key structure as claimed in claim 2, wherein the direction key portions are provided in four and surrounding arrangement, and the first elastic members are provided in four, and each of the first elastic members is provided adjacent to each of the direction key portions in one-to-one correspondence.

9. The projector key structure as claimed in claim 8, wherein four of said direction key sections are an upper key section, a lower key section, a left key section and a right key section, respectively.

10. A projector comprising the key structure of any one of claims 1 to 9 and a circuit board, wherein the circuit board is disposed in the housing, and the circuit board is located below the first key and the second key.