CN217305631U

CN217305631U - Focusing device of lens assembly and mobile phone projector

Info

Publication number: CN217305631U
Application number: CN202221164007.3U
Authority: CN
Inventors: 蔡君正
Original assignee: Ningbo Youfang Children's Products Co ltd
Current assignee: Ningbo Youfang Children's Products Co ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-08-26
Anticipated expiration: 2032-05-13

Abstract

The utility model discloses a focusing device and cell-phone projecting apparatus of lens subassembly through set up the transmission structure between the perforation of housing and casing for the flexible removal of casing relatively when housing and transmission structure activity regulation, with the purpose of realizing focusing, and do not occupy unnecessary space when not using, it is more convenient to operate, and the formation of image is effectual.

Description

Focusing device of lens assembly and mobile phone projector

Technical Field

The utility model relates to a projection equipment technical field, concretely relates to focusing device and cell-phone projecting apparatus of lens subassembly.

Background

The projector is a device which can project images or videos onto a curtain and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, and the like through different interfaces to play corresponding video signals. Although the projection effect of current projecting apparatus is fine, installation, debugging process are comparatively loaded down with trivial details, and do not be convenient for carry, can't satisfy more people's user demand, and some utilize the aperture box to carry out the equipment of projection, its lens subassembly can't be adjusted, and the box space is limited, and the unable abundant regulation in position that the cell-phone was placed leads to the formation of image effect unsatisfactory.

SUMMERY OF THE UTILITY MODEL

In view of the above analysis, the present invention provides a focusing apparatus for a lens assembly and a mobile phone projector to solve the deficiencies of the prior art.

The utility model discloses mainly realize through following technical scheme:

the utility model provides a focusing device of lens subassembly, including casing and lens subassembly, be equipped with the perforation on the casing, the lens subassembly includes the housing and installs the lens in the housing, install the transmission structure between housing and the perforation, the housing passes through transmission structure and casing normal running fit to but the casing is relative along the axial displacement of housing.

Furthermore, the transmission structure comprises an internal thread and an external thread which are matched with each other and screwed, the through hole is provided with an internal thread, and the housing is provided with an external thread.

Further, the transmission structure comprises a rotating sleeve sleeved on the housing and a first spiral groove arranged on the outer wall of the housing, the rotating sleeve is rotatably installed on the through hole, and a sliding block arranged on the first spiral groove in a sliding mode is arranged on the inner wall of the rotating sleeve.

Furthermore, a support sleeve connected with the shell is installed on the through hole in a matched mode, and the rotating sleeve is installed on the support sleeve in a rotating mode.

Furthermore, a guide block is arranged on the inner wall of the support sleeve, a second spiral groove is arranged on the housing, the spiral angle of the second spiral groove is the same as that of the first spiral groove, the spiral direction of the second spiral groove is opposite to that of the first spiral groove, and the guide block is arranged on the second spiral groove in a sliding manner;

when the sliding block moves from the first end to the second end of the housing on the first spiral groove, the guide block moves from the second end to the first end of the housing on the second spiral groove; when the sliding block moves from the second end to the first end of the housing on the first spiral groove, the guide block moves from the first end to the second end of the housing on the second spiral groove.

Furthermore, a first limiting part is arranged on the housing, and a second limiting part matched with the first limiting part and movably abutted against the first limiting part is arranged on at least one of the support sleeve and the rotating sleeve.

Furthermore, the support sleeve comprises a front sleeve plate and a rear sleeve plate which are sequentially connected, a connecting part is arranged on the rotary sleeve, the front sleeve plate is sleeved on the rotary sleeve, the connecting part is rotationally matched between the front sleeve plate and the shell, and the rear sleeve plate is sleeved on the housing.

Furthermore, the supporting sleeve further comprises an intermediate plate which is sleeved on the rotating sleeve and abuts against the shell, and the connecting part is movably arranged between the front sleeve plate and the intermediate plate.

The utility model also provides a cell-phone projecting apparatus, including the speculum, and focusing device, it places the district to be equipped with the cell-phone in the casing, the speculum is installed in the casing and is placed the district setting towards the cell-phone, lens set up towards the speculum.

Further, the casing includes a plurality of panels and apron, and a plurality of panels splice mutually in order to form and have an open-ended holding chamber, apron movable mounting is on the opening, the speculum is installed in the inboard of apron, the cell-phone is placed the district and is located the holding intracavity, the lens subassembly activity is worn to locate on the panel relative with the apron.

Compared with the prior art the utility model discloses technical scheme's beneficial effect does:

the utility model provides a focusing device and cell-phone projecting apparatus of lens subassembly is through setting up the transmission structure between the perforation of housing and casing for the flexible removal of casing relatively when housing and transmission structure activity regulation, with the purpose of realizing focusing, and do not occupy unnecessary space when not using, it is more convenient to operate, and imaging effect is good.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.

Fig. 1 is a perspective view of a focusing apparatus of a lens assembly according to an embodiment of the present invention with a housing removed;

fig. 2 is an exploded schematic view of a lens assembly and a transmission structure provided in an embodiment of the present invention;

fig. 3 is a rear view of a lens assembly and a transmission structure provided in an embodiment of the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

fig. 5 is a schematic structural diagram of a housing according to an embodiment of the present invention;

fig. 6 is a perspective view of a mobile phone projector according to an embodiment of the present invention when a lens assembly partially protrudes out of a housing;

fig. 7 is a perspective view of a cell phone projector according to an embodiment of the present invention when the lens assembly is retracted into the housing;

fig. 8 is a perspective view of a mobile phone projector according to an embodiment of the present invention when a cover is opened;

fig. 9 is a front view of a mobile phone projector according to an embodiment of the present invention;

FIG. 10 is a sectional view taken along line B-B of FIG. 9;

fig. 11 is a sectional view of another embodiment of a mobile phone projector according to an embodiment of the present invention.

The reference numbers are as follows:

1. the mobile phone shell comprises a shell body, a through hole, a mobile phone placing area, a 1c opening, a 1d through hole, a 11 plate, a 12 cover plate, a 2 lens assembly, a 21 cover shell, a 21a first spiral groove, a 21b second spiral groove, a 211, a first limiting portion, a 212 sub-shell, a 22 lens, a 3 transmission structure, a 31 rotating sleeve, a 311 sliding block, a 312 connecting portion, a 4 supporting sleeve, a 41 front sleeve plate, a 42 middle plate, a 43 rear sleeve plate, a 431 guide block, a 432, a second limiting portion, a 433, an installation wall, a 5 reflector.

Detailed Description

In order to better understand the invention for those skilled in the art and to define the claimed scope more clearly, the invention will be described in detail below with respect to certain specific embodiments of the invention. It should be noted that the following description is only a few examples of the present invention, and the specific and direct descriptions of the related structures are only for the convenience of understanding the present invention, and the specific features do not naturally and directly limit the scope of the present invention. Conventional alternatives and substitutions made by those skilled in the art in light of the teachings of the present disclosure should be considered within the scope of the present disclosure.

The invention will be further explained with reference to the drawings and the specific embodiments.

Example 1

As shown in fig. 1-5, the utility model provides a focusing device of lens assembly, including casing 1 and lens assembly 2, be equipped with perforation 1a on the casing 1, lens assembly 2 includes housing 21 and installs lens 22 in housing 21, installs transmission structure 3 between housing 21 and the perforation 1a, and housing 21 passes through transmission structure 3 and casing 1 normal running fit to casing 1 along the axial displacement of housing 21 relatively.

In this embodiment, two ends of the housing 21 of the lens 22 are respectively provided with one lens, and two ends of the housing 21 are provided with annular limiting grooves for limiting the lens 22.

As one of the implementation manners, preferably, the transmission structure 3 includes an internal thread and an external thread which are matched and screwed, the internal thread is disposed on the through hole 1a, and the external thread is disposed on the housing 21, so that the installation and the operation are convenient.

As another implementation manner, preferably, the transmission structure 3 includes a rotating sleeve 31 sleeved on the housing 21, and a first spiral groove 21a disposed on an outer wall of the housing 21, the rotating sleeve 31 is rotatably mounted on the through hole 1a, and a sliding block 311 disposed on an inner wall of the rotating sleeve and slidably disposed on the first spiral groove 21a is disposed on the inner wall, so as to facilitate installation and operation.

Through the rotation of the rotating sleeve 31, the sliding block 311 is in sliding fit with the first spiral groove 21a, so that the sliding block 311 is driven to drive the housing 21 to horizontally move along the axial direction in the rotating process.

In this embodiment, two first spiral grooves 21a are formed on the outer wall of the housing 21, one extends downward along the direction of the spiral line, and the other extends upward along the direction of the spiral line.

In this embodiment, the cross-sectional dimension of the slider 311 is smaller than the width of the first spiral groove 21a, so as to facilitate the installation and sliding of the rotating sleeve 31 and the housing 21. Two sliding blocks 311 are disposed on the inner wall of the rotating sleeve 31 and are symmetrical to each other.

Preferably, the through hole 1a is fittingly mounted with a support sleeve 4 connected with the housing 1, and the rotary sleeve 31 is rotatably mounted on the support sleeve 4. The rotating sleeve 31 is mounted and limited to rotate relative to the supporting sleeve 4.

Specifically, the inner wall of the support sleeve 4 is provided with a guide block 431, the housing 21 is provided with a second spiral groove 21b, the spiral angle of the second spiral groove 21b is the same as that of the first spiral groove 21a, the spiral directions are opposite, and the guide block 431 is slidably arranged on the second spiral groove 21 b.

When the slider 311 moves from the first end to the second end of the housing 21 on the first spiral groove 21a, the guide block 431 moves from the second end to the first end of the housing 21 on the second spiral groove 21 b; when the slider 311 moves from the second end to the first end of the housing 21 on the first spiral groove 21a, the guide block 431 moves from the first end to the second end of the housing 21 on the second spiral groove 21 b. When the rotating sleeve 31 rotates, the housing 21 and the rotating sleeve 31 move relatively, and move more stably under the matching action of the first spiral groove 21a and the second spiral groove 21 b.

In this embodiment, two second spiral grooves 21b are formed on the outer wall of the housing 21, and when the first spiral groove 21a on the same side extends downward along the direction of the spiral line, the second spiral groove 21b extends upward along the direction of the spiral line, and when the first spiral groove 21a on the same side extends upward along the direction of the spiral line, the second spiral groove 21b extends downward along the direction of the spiral line.

In this embodiment, the height of the guide block 431 is smaller than that of the slider 311, and the cross-sectional dimension of the guide block 431 is smaller than the width of the second spiral groove 21b, so that the housing 21 and the support sleeve 4 can be conveniently installed.

Preferably, the first spiral groove 21a extends to a position close to the second end face at the first end face of the housing 21, and the second spiral groove 21b extends to a position close to the first end face at the second end face of the housing 21.

To facilitate the installation and removal of the rotating sleeve 31 and the housing 21, as an embodiment, as shown in fig. 10, specifically, the supporting sleeve 4 includes a front sleeve plate 41, a middle plate 42 and a rear sleeve plate 43 which are connected in sequence, a connecting portion 312 is disposed on the rotating sleeve 31, the front sleeve plate 41 and the middle plate 42 are sequentially sleeved on the rotating sleeve 31, the connecting portion 312 is rotatably disposed between the front sleeve plate 41 and the middle plate 42, the middle plate 42 abuts against the housing 1, and the rear sleeve plate 43 is sleeved on the housing 21. The connecting portion 312 of the rotating sleeve 31 can rotate between the front plate 41 and the middle plate 42, and the rotating sleeve 31 cannot be horizontally displaced.

In this embodiment, the front and

middle plates

41 and 42 are located outside the housing 1, and the rear plate 43 is located inside the housing 1.

Preferably, the end portion of the rear sleeve plate 43 close to the rotating sleeve 31 is provided with a mounting wall 433, the mounting wall 433 is provided with a plurality of cylindrical connecting sleeves, the front sleeve plate 41 is provided with a plurality of connecting posts, the mounting wall 433 abuts against the casing 1 or the middle plate 42, the connecting posts penetrate through the middle plate 42 and are clamped with the cylindrical connecting sleeves penetrating through the casing 1, and then the screws are fixed, or the connecting posts penetrate through the middle plate 42 and the casing 1 and are clamped with the cylindrical connecting sleeves abutting against the casing 1, and then the screws are fixed.

In this embodiment, the front cover plate 41 is surrounded by a protruding edge on the side edge, and when installed, the protruding edge abuts against the middle plate 42 and is located outside the connecting portion 312.

In this embodiment, the guide blocks 431 are installed on the back cover plate 43, and two guide blocks 431 are disposed on the inner wall of the back cover plate 43 and are symmetrical to each other.

Preferably, the housing 21 is provided with a first limiting portion 211, at least one of the support sleeve 4 and the rotating sleeve 31 is provided with a second limiting portion 432 which is movably abutted with the first limiting portion 211 in a matching manner, and when the sliding block 311 moves in the first spiral groove 21a and the guide block 431 moves in the second spiral groove 21b, the first limiting portion 211 is abutted with the second limiting portion 432 in a matching manner, so that the moving stroke of the housing 21 is limited.

In this embodiment, the housing 21 is a circular sleeve, and the first limiting portion 211 is an arc protrusion parallel to the end surface of the sleeve, wherein the arc protrusion is symmetrically disposed on the outer wall of the sleeve.

When the second position-limiting portion 432 is disposed on the support sleeve 4, it is an end surface of the rear sleeve plate 43 that faces away from the mounting wall 433, and when the second position-limiting portion 432 is disposed on the rotating sleeve 31, it is a position-limiting ring that is disposed on an end surface of the rotating sleeve 31 that is close to the first end of the housing 21.

As another embodiment, specifically, as shown in fig. 11, the supporting sleeve 4 includes a front sleeve plate 41 and a rear sleeve plate 43 connected in sequence, a connecting portion 312 is disposed on the rotating sleeve 31, the front sleeve plate 41 is sleeved on the rotating sleeve 31, the connecting portion 312 is rotatably fitted between the front sleeve plate 41 and the housing 1, and the rear sleeve plate 43 is sleeved on the housing 21.

In this embodiment, the front shroud 41 is located outside the housing 1, and the rear shroud 43 is located inside the housing 1.

Preferably, the end of the rear sleeve plate 43 close to the rotating sleeve 31 is provided with a mounting wall 433, the mounting wall 433 is provided with a plurality of cylindrical connecting sleeves, the front sleeve plate 41 is provided with a plurality of connecting posts, and the connecting posts penetrate through the casing 1 and are clamped with the cylindrical connecting sleeves abutting against the casing 1.

The cover 41 can be retracted into the housing 1 by rotating the rotating sleeve 31 clockwise or pushing the cover 41 inwards in the direction shown in fig. 6, and the cover 41 can be extended out of the housing 1 by rotating the rotating sleeve 31 anticlockwise.

Preferably, the second limiting portions 432 are oppositely disposed on the supporting sleeve 4 and the rotating sleeve 31, one of the second limiting portions 432 is an end surface of the rear sleeve plate 43 away from the mounting wall 433, and the other second limiting portion 432 is a limiting ring disposed on an end surface of the rotating sleeve 31 close to the first end of the housing 21.

When the sliding block 311 moves to the first end of the first spiral groove 21a or close to the first end, the lens assembly 2 retracts into the housing 1, the guide block 431 moves to the first end of the second spiral groove 21b or close to the first end, and the housing 21 is limited by the abutting of the second limiting portion 432 of the rear sleeve plate 43 and the first limiting portion 211; when the sliding block 311 moves to the second end of the first spiral groove 21a or near the second end, the guide block 431 moves to the second end of the second spiral groove 21b or near the second end, the lens assembly 2 partially extends out of the housing 1, and the cover 21 is limited by the abutting of the second limiting part 432 on the rotating sleeve 31 and the first limiting part 211.

In this embodiment, the opening ends of the first spiral groove 21a and the second spiral groove 21b are provided with arc-shaped guiding portions, which facilitates the rapid installation and disassembly of the housing 21, the rotating sleeve 3 and the rear sleeve plate 43.

In this embodiment, the second end of the first spiral groove 21a is located at the side of the middle of the second spiral groove 21 b.

To facilitate the installation of the lens 22, the housing 21 preferably includes a plurality of split sub-housings 212.

In this embodiment, the housing 21 includes two left and right sub-housings 212, take fig. 5 as an example, there is the sub-housing 212 on the right side of the R sign, another is the sub-housing 212 on the left side, two sub-housings 212 are divided and are equallyd divide and set up a first spiral groove 21a and a second spiral groove 21b respectively, the top and the bottom of two sub-housings 212 are equipped with the arc protruding section respectively, when two sub-housings 212 are pieced together, two arc protruding sections of top and bottom all correspond and meet, form the arc arch, the bellied one end of upper portion arc extends to the outside of the middle part of the first spiral groove 21a on the left side sub-housing 212 by the outside of the first end of the second spiral groove 21b on the right side sub-housing 212.

Preferably, the outer wall of the housing 21 is provided with a plurality of marks to avoid the situation of reverse installation.

As shown in fig. 6-10, the utility model also provides a mobile phone projector, including speculum 5 to and foretell focusing device, be equipped with the cell-phone in the casing 1 and place district 1b, speculum 5 is installed in casing 1 and is placed district 1b setting towards the cell-phone, and lens 22 sets up towards speculum 5.

In the present embodiment, the reflecting mirror 5 is a mirror.

For convenient carrying and assembly, preferably, the housing 1 includes a plurality of plates 11 and a cover plate 12, the plurality of plates 11 are spliced together to form an accommodating cavity with an opening 1c, the cover plate 12 is movably mounted on the opening 1c, the reflector 5 is mounted on the inner side of the cover plate 12, the mobile phone placing area 1a is located in the accommodating cavity, and the lens assembly 2 is movably arranged on the plate 11 opposite to the cover plate 12 in a penetrating manner.

In this embodiment, the cover plate 12 is rotatably mounted on the opening 1 c.

Preferably, a plurality of panels 11 are bottom plate, two curb plates, roof, front end plate, back end plate respectively, and lens subassembly 2 and drive structure 3 are installed on the front end plate, are equipped with through-hole 1d on the board of both sides, and the data line of being convenient for passes and is connected with cell-phone or flat board, perhaps passes with the earphone cord that the stereo set is connected with cell-phone or flat board, and the middle part of front end plate is equipped with the arc opening, conveniently operates apron 12.

In this embodiment, the bottom plate and the cover plate 12 are disposed at an acute angle. An opening 1c is formed between the bottom plate, the top plate and the two side plates, the cover plate 12 is hinged on the two side plates and is respectively abutted against the top plate and the bottom plate, and the bottom plate is used for placing a mobile phone.

Wherein, the week side of panel 11 is equipped with recess or lug, realizes the concatenation through unsmooth cooperation between two adjacent panels 11.

When the mobile phone is used, the cover plate 12 is rotated, the mobile phone or the flat plate is placed on the bottom plate, the cover plate 12 is closed to enable the mobile phone to be in a dark environment, pictures on the mobile phone are reflected by the reflector 5 and sequentially pass through the lenses 22 at the two ends of the housing 21 to realize projection, and the distance between the lenses 22 and the reflector 5 is adjusted by rotating the rotating sleeve 31 so as to change the size of the projected pictures.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that modifications and embellishments within the scope of the present disclosure may be made by those skilled in the art without departing from the principles of the present disclosure.

Claims

1. A focusing apparatus for a lens assembly, comprising: including casing (1) and lens subassembly (2), be equipped with on casing (1) and perforate (1a), lens subassembly (2) include housing (21) and install lens (22) in housing (21), install transmission structure (3) between housing (21) and perforation (1a), housing (21) are through transmission structure (3) and casing (1) normal running fit to casing (1) can be relatively along the axial displacement of housing (21).

2. The focusing apparatus of a lens assembly of claim 1, wherein: the transmission structure (3) comprises an internal thread and an external thread which are matched with each other and screwed, the inner thread is arranged on the through hole (1a), and the external thread is arranged on the housing (21).

3. The focusing apparatus of a lens assembly of claim 1, wherein: the transmission structure (3) comprises a rotating sleeve (31) sleeved on the housing (21) and a first spiral groove (21a) arranged on the outer wall of the housing (21), the rotating sleeve (31) is rotatably installed on the through hole (1a), and a sliding block (311) which is arranged on the first spiral groove (21a) in a sliding mode is arranged on the inner wall of the rotating sleeve.

4. The focusing apparatus of a lens assembly of claim 3, wherein: the support sleeve (4) connected with the shell (1) is installed on the through hole (1a) in a matched mode, and the rotating sleeve (31) is installed on the support sleeve (4) in a rotating mode.

5. The focusing apparatus of a lens assembly of claim 4, wherein: a guide block (431) is arranged on the inner wall of the support sleeve (4), a second spiral groove (21b) is arranged on the housing (21), the spiral angle of the second spiral groove (21b) is the same as that of the first spiral groove (21a), the spiral directions are opposite, and the guide block (431) is arranged on the second spiral groove (21b) in a sliding manner;

when the sliding block (311) moves from the first end to the second end of the housing (21) on the first spiral groove (21a), the guide block (431) moves from the second end to the first end of the housing (21) on the second spiral groove (21 b); when the slider (311) moves from the second end to the first end of the housing (21) on the first spiral groove (21a), the guide block (431) moves from the first end to the second end of the housing (21) on the second spiral groove (21 b).

6. The focusing apparatus of a lens assembly of claim 5, wherein: the device is characterized in that a first limiting part (211) is arranged on the housing (21), and at least one of the support sleeve (4) and the rotating sleeve (31) is provided with a second limiting part (432) which is matched with the first limiting part (211) and movably abutted against the first limiting part.

7. The focusing apparatus of a lens assembly of claim 4, wherein: support cover (4) including preceding lagging (41) and back lagging (43) that connect gradually, be equipped with connecting portion (312) on changeing cover (31), preceding lagging (41) cover is located and is changeed on cover (31), just connecting portion (312) normal running fit is between preceding lagging (41) and casing (1), back lagging (43) cover is located on housing (21).

8. The focusing apparatus of a lens assembly of claim 7, wherein: the supporting sleeve (4) further comprises an intermediate plate (42) which is sleeved on the rotating sleeve (31) and is abutted against the shell (1), and the connecting part (312) is movably arranged between the front sleeve plate (41) and the intermediate plate (42).

9. A mobile phone projector is characterized in that: comprising a reflector (5) and a focusing device according to any of claims 1 to 8, wherein a cell phone placing area (1b) is arranged in the housing (1), the reflector (5) is arranged in the housing (1) and faces the cell phone placing area (1b), and the lens (22) is arranged facing the reflector (5).

10. The handset projector of claim 9 wherein: the mobile phone cover is characterized in that the shell (1) comprises a plurality of plates (11) and a cover plate (12), the plates (11) are spliced to form an accommodating cavity with an opening (1c), the cover plate (12) is movably mounted on the opening (1c), the reflector (5) is mounted on the inner side of the cover plate (12), the mobile phone placing area (1b) is located in the accommodating cavity, and the lens assembly (2) is movably arranged on the plate (11) opposite to the cover plate (12) in a penetrating mode.