CN208431522U - A kind of projection arrangement and its fixed structure - Google Patents
A kind of projection arrangement and its fixed structure Download PDFInfo
- Publication number
- CN208431522U CN208431522U CN201820639255.6U CN201820639255U CN208431522U CN 208431522 U CN208431522 U CN 208431522U CN 201820639255 U CN201820639255 U CN 201820639255U CN 208431522 U CN208431522 U CN 208431522U
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- Prior art keywords
- hole
- ring body
- projection arrangement
- main
- face
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Abstract
The utility model relates to projection display technique fields, a kind of projection arrangement and its fixed structure are specifically provided, more magnetic poles are carried out in the axial direction using main ring body of the magnetizing equipment to magnet ring to magnetize, make main ring body that there is T magnet unit and be circumferentially evenly distributed with around the axis of main ring body, i.e. circular array is arranged, and the magnetic pole in two magnet unit of arbitrary neighborhood positioned at same end is different, in this way, closed magnetic field is formed between two magnet units of arbitrary neighborhood, and as the quantity of magnet unit increases, the magnetic field range that main ring body generates is smaller, magnetic interference will not be generated to the magnetic part in the motor and loudspeaker in fan, and the first end face of main ring body is fixed on the bottom surface of main casing, second end face is docked with the top magnetic of support frame, as the quantity of magnet unit increases, magnetic field strength will will increase, with support frame top The magnetic attraction in portion will will increase, in this way, improving the stability being fixedly connected between projection arrangement and support frame.
Description
Technical field
The utility model belongs to projection display technique field, is to be related to a kind of projection arrangement and its fixation more specifically
Structure.
Background technique
Projection device incorporates traditional TV broadcasting function, can be used to play video, text, image etc..Compared to
Conventional television, projection device is not only easy to carry, but also the size projected is bigger, and price is also relatively cheap.For the ease of throwing
Image device can be placed in different location and convenient for adjusting the pitch angle of camera lens, and projection arrangement is usually fixed on support frame top
Portion, but the magnetic being usually taken is fixed, and however, the magnetic part usually chosen is two magnetic poles, the magnetic field of the magnetic part is stronger, shadow
The fan and loudspeaker rung in projection arrangement works normally, and destroys the heat dissipation effect of projection arrangement and the sound quality of loudspeaker.
Utility model content
The purpose of this utility model is to provide a kind of projection arrangement and its fixed structures, to solve to exist in the prior art
The technical issues of magnetic part.
In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of fixed structure of projection arrangement,
For projection arrangement to be fixed on to the top of support frame.The fixed structure of the projection arrangement includes projecting shell and magnet ring,
The magnet ring includes main ring body, and the main ring body has T magnet unit, wherein T=2t and t are positive integer, respectively
The magnet unit is arranged around the axis circular array of the main ring body, and is located in any adjacent two magnet unit
The magnetic pole of same end is different, and the main ring body has first end face and second end face opposite with the first end face；
The projection shell includes main casing, the first end face of the main ring body be fixed on the lower surface of the main casing and
Its second end face is docked with the top magnetic of support frame as described above.
Further, the main casing is provided with resettlement groove in its bottom surface, and the first end face of the main ring body is fixed on institute
It states in resettlement groove, the thickness of the main ring body is greater than or equal to the depth of the resettlement groove.
Further, the magnet ring further includes at least two pillars that one end is connect with the first end face, each described
Pillar is uniformly distributed in the first end face and its other end upwardly extends around the axis of the main ring body；
The main casing offers at least two placement holes in its resettlement groove slot bottom, and each pillar is inserted into respectively described in one
Placement hole is simultaneously locked in the placement hole by a lock piece.
Further, end face offers fixation hole to each pillar respectively thereon, and the fixation hole is threaded hole, each institute
State lock piece be screw, the screw worn downwards out of described main casing the placement hole and with the fixation hole screw threads for fastening
Connection.
Further, each placement hole is equipped with limiting stand in a ring in its hole wall, the table top of the limiting stand downward,
The upper end of each pillar is inserted into a placement hole respectively and is butted on the limiting stand.
Further, the projection shell further includes the reinforcing prop that equal one end is all connected to the inner wall of the main casing, respectively
The other end of the reinforcing prop upwardly extends and has reinforced hole, and each reinforced hole is connected to a placement hole respectively.
Further, the projection shell further includes the positioning ring connecting with the slot bottom of the resettlement groove, the main ring body
Annular groove is offered in its first surface, the positioning ring inserts in the annular groove, the axis of the annular groove and the master
The axis of ring body is identical and is located at the through hole of the main ring body.
Further, the main casing is opened up upwards in the slot bottom of the resettlement groove and is used in combination with communicating inside the main casing
In the inserting hole that the top for support frame as described above is mating, the inserting hole is opposite with the through-hole and is connected to.
Further, the projection shell further includes the connecting column that one end is connect with the inner wall of the main casing, the company
The other end for connecing column upwardly extends and has connecting hole, and the connecting hole is opposite with the inserting hole and is connected to.
The utility model also provides a kind of projection arrangement, the fixed structure including such as above-mentioned projection arrangement.
The beneficial effect of a kind of projection arrangement and its fixed structure provided by the utility model is: utilizing magnetizing equipment pair
The main ring body of magnet ring carries out more magnetic poles in the axial direction and magnetizes, and main ring body is made to have T magnet unit and around main ring body
Axis is circumferentially uniformly distributed, i.e., circular array is arranged, and the magnetic pole in two magnet unit of arbitrary neighborhood positioned at same end is different,
In this way, closed magnetic field is formed between two magnet units of arbitrary neighborhood, and as the quantity of magnet unit increases, main ring body
The magnetic field range of generation is smaller, and magnetic interference, and main ring will not be generated to the magnetic part in the motor and loudspeaker in fan
The first end face of body is fixed on the bottom surface of main casing, and second end face is docked with the top magnetic of support frame, with magnet unit
Quantity increases, and magnetic field strength will will increase, and will will increase with the magnetic attraction at the top of support frame, in this way, improving projection arrangement and branch
The stability being fixedly connected between support.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the sectional perspective exploded view of projection arrangement provided by the embodiment of the utility model；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is the perspective view of magnet ring provided by the embodiment of the utility model；
Fig. 4 is the partial perspective view of projection arrangement provided by the embodiment of the utility model.
Wherein, each appended drawing reference in figure:
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
It should be noted that it can directly exist when element is referred to as on " being fixed on " or " being set to " another element
On another element or it may be indirectly secured to or be set on another element by third member.When an element quilt
It referred to as " is connected to " another element, it can be directly to another element or it may be indirect by third member
It is connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
Referring to Fig. 1, the utility model embodiment provides a kind of fixed structure of projection arrangement, for consolidating projection arrangement
It is scheduled on the top of support frame.The fixed structure of projection arrangement includes projection shell 100 and magnet ring 200.Magnet ring 200 includes master
Ring body 210, main ring body 210 have T magnet unit, wherein T=2t and t are positive integer, and each magnet unit is around main ring body
210 axis circular array arrangement, and the magnetic pole in any adjacent two magnet unit positioned at same end is different, main ring body
210 have first end face 211 and the second end face 212 opposite with first end face 211.Projecting shell 100 includes main casing
110, the first end face 211 of main ring body 210 is fixed on the lower surface of main casing 110 and the top of its second end face 212 and support frame
The docking of portion's magnetism.
In the present embodiment, more magnetic poles are carried out in the axial direction using main ring body 210 of the magnetizing equipment to magnet ring 200 to fill
Magnetic makes main ring body 210 have T magnet unit and circumferentially be evenly distributed with around the axis of main ring body 210, i.e. circular array cloth
Set, and in two magnet unit of arbitrary neighborhood positioned at same end magnetic pole it is different, in this way, two magnet units of arbitrary neighborhood it
Between form closed magnetic field, and as the quantity of magnet unit increases, the magnetic field range that main ring body 210 generates is smaller, will not
Magnetic interference is generated to the magnetic part in the motor and loudspeaker in fan, and the first end face 211 of main ring body 210 is fixed on
The bottom surface of main casing 110, second end face 212 are docked with the top magnetic of support frame, as the quantity of magnet unit increases, magnetic field
Intensity will will increase, and will will increase with the magnetic attraction at the top of support frame, in this way, improving fixed between projection arrangement and support frame connect
The stability connect.
Referring to Fig. 1, further, main casing 110 is provided with resettlement groove 101 in its bottom surface, the first of main ring body 210
End face 211 is fixed in resettlement groove 101, and the thickness of main ring body 210 is greater than or equal to the depth of resettlement groove 101.In this way, convenient for master
The second end face 212 of ring body 210 is directly docked with the top magnetic of support frame.
Specifically, to be main casing 110 be recessed molding slot position resettlement groove 101 upwards in its lower surface.
Please refer to Fig. 1 to Fig. 3, further, magnet ring 200 further include one end connect with first end face 211 to
Few two pillars 220, each pillar 220 around main ring body 210 axis it is uniformly distributed in first end face 211 and its other end it is upward
Extend.Main casing 110 offers at least two placement holes 102 in its 101 slot bottom of resettlement groove, and each pillar 220 is inserted into a peace respectively
It sets hole 102 and placement hole 102 is locked in by a lock piece.In this way, realizing the fixation of main ring body 210.It is of course also possible to pass through
Gluing is connected in resettlement groove 101.
Please refer to Fig. 1 to Fig. 3, further, end face offers fixation hole 221 to each pillar 220 respectively thereon, Gu
Determining hole 221 is threaded hole, and each lock piece is screw, and screw wears downwards placement hole 102 and and fixation hole out of main casing 110
The connection of 221 screw threads for fastening.
Please refer to Fig. 1 to Fig. 3, further, each placement hole 102 is equipped with limiting stand 120 in a ring in its hole wall,
The table top of limiting stand 120 downward, be inserted into a placement hole 102 respectively and be butted on limiting stand 120 by the upper end of each pillar 220.In this way,
It avoids each pillar 220 from being excessively inserted into, reduces the intensity of each pillar 220.
Please refer to Fig. 1 to Fig. 4, further, projection shell 100 further includes that equal one end is all connected to main casing 110
Inner wall reinforcing prop 130, the other end of each reinforcing prop 130 upwardly extends and has reinforced hole 131, and each reinforced hole 131 is distinguished
It is connected to a placement hole 102.In this way, helping to improve the stability of connection.In the present embodiment, each reinforced hole 131 is screw thread
Hole.
Please refer to Fig. 1, Fig. 3 and Fig. 4, further, projection shell 100 further includes connecting with the slot bottom of resettlement groove 101
The positioning ring 140 connect, main ring body 210 offer annular groove 213 in its first surface, and positioning ring 140 inserts in annular groove 213,
The axis of annular groove 213 is identical as the axis of main ring body 210 and is located at the through-hole 214 of main ring body 210.In this way, for installing
Shi Jinhang is quickly positioned, and improves the efficiency of installation.
Please refer to Fig. 1, Fig. 3 and Fig. 4, further, main casing 110 in the slot bottom of resettlement groove 101 open up upwards with
It is communicated inside main casing 110 and for the inserting hole 103 mating for the top of support frame, inserting hole 103 and 214 phase of through-hole
Pair and be connected to.In this way, facilitating the use scope of expansion projection arrangement, it can both be fixed by magnetic, grafting can also be passed through
It is fixed.In the present embodiment, inserting hole 103 is threaded hole, i.e., is threadedly engaged connection between inserting hole 103 at the top of support frame.
Please refer to Fig. 1, Fig. 3 and Fig. 4, further, it is interior with main casing 110 that projection shell 100 further includes one end
The connecting column 150 of wall connection, the other end of connecting column 150 upwardly extend and have connecting hole 151, connecting hole 151 and inserting hole
103 is opposite and be connected to.In this way, improving the reliability and stability connecting at the top of projection arrangement and support frame.In the present embodiment,
Inserting hole 103 is threaded hole.
The utility model embodiment also provides a kind of projection arrangement, the fixed structure including such as above-mentioned projection arrangement.
In the present embodiment, above-mentioned fixed structure is applied on projection device, not only realizes projection device and support
Frame is fixedly connected, it is thus also avoided that the normal operation of magnetic interference fan and loudspeaker that magnet ring 200 generates.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (10)
1. a kind of fixed structure of projection arrangement, for projection arrangement to be fixed on to the top of support frame, which is characterized in that described
The fixed structure of projection arrangement includes projecting shell and magnet ring,
The magnet ring includes main ring body, and the main ring body has T magnet unit, wherein T=2t and t are positive integer, it is each described in
Magnet unit is arranged around the axis circular array of the main ring body, and is located in any adjacent two magnet unit same
The magnetic pole of end is different, and the main ring body has first end face and second end face opposite with the first end face；
The projection shell includes main casing, the first end face of the main ring body be fixed on the lower surface of the main casing and its
Biend is docked with the top magnetic of support frame as described above.
2. the fixed structure of projection arrangement as described in claim 1, which is characterized in that the main casing is provided in its bottom surface
Resettlement groove, the first end face of the main ring body are fixed in the resettlement groove, and the thickness of the main ring body is greater than or equal to described
The depth of resettlement groove.
3. the fixed structure of projection arrangement as claimed in claim 2, which is characterized in that the magnet ring further include one end and institute
At least two pillars of first end face connection are stated, each pillar is uniformly distributed in described first around the axis of the main ring body
End face and its other end upwardly extends；
The main casing offers at least two placement holes in its resettlement groove slot bottom, and each pillar is inserted into a placement respectively
Hole is simultaneously locked in the placement hole by a lock piece.
4. the fixed structure of projection arrangement as claimed in claim 3, which is characterized in that each pillar thereon distinguish by end face
Fixation hole is offered, the fixation hole is threaded hole, and each lock piece is screw, and the screw is downward out of described main casing
It wears the placement hole and is connect with the fixation hole screw threads for fastening.
5. the fixed structure of projection arrangement as claimed in claim 3, which is characterized in that each placement hole is equipped in its hole wall
Limiting stand in a ring, the table top of the limiting stand downward, be inserted into a placement hole respectively and support by the upper end of each pillar
In the limiting stand.
6. the fixed structure of the projection arrangement as described in any one of claim 3 to 5, which is characterized in that the projection shell
It further include the reinforcing prop that equal one end is all connected to the inner wall of the main casing, the other end of each reinforcing prop upwardly extends and has
There is reinforced hole, each reinforced hole is connected to a placement hole respectively.
7. the fixed structure of projection arrangement the invention according to any one of claims 2 to 5, which is characterized in that the projection shell
It further include the positioning ring being connect with the slot bottom of the resettlement groove, the main ring body offers annular groove in its first surface, described
Positioning ring inserts in the annular groove, and the axis of the annular groove is identical as the axis of the main ring body and is located at the main ring body
Through hole.
8. the fixed structure of projection arrangement as claimed in claim 7, which is characterized in that the main casing is in the resettlement groove
Slot bottom opens up upwards communicates with inside the main casing and is used for the inserting hole mating for the top of support frame as described above, described
Inserting hole is opposite with the through-hole and is connected to.
9. the fixed structure of projection arrangement as claimed in claim 8, which is characterized in that the projection shell further include one end with
The connecting column of the inner wall connection of the main casing, the other end of the connecting column upwardly extend and have connecting hole, the connection
Hole is opposite with the inserting hole and is connected to.
10. a kind of projection arrangement, which is characterized in that the fixation including projection arrangement as claimed in any one of claims 1-9 wherein
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820639255.6U CN208431522U (en) | 2018-04-28 | 2018-04-28 | A kind of projection arrangement and its fixed structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820639255.6U CN208431522U (en) | 2018-04-28 | 2018-04-28 | A kind of projection arrangement and its fixed structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208431522U true CN208431522U (en) | 2019-01-25 |
Family
ID=65101922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820639255.6U Expired - Fee Related CN208431522U (en) | 2018-04-28 | 2018-04-28 | A kind of projection arrangement and its fixed structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208431522U (en) |
-
2018
- 2018-04-28 CN CN201820639255.6U patent/CN208431522U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190125 Termination date: 20200428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |