CN108644576A - A kind of lift adjustment mechanism, electronic device and projection arrangement - Google Patents
A kind of lift adjustment mechanism, electronic device and projection arrangement Download PDFInfo
- Publication number
- CN108644576A CN108644576A CN201810265400.3A CN201810265400A CN108644576A CN 108644576 A CN108644576 A CN 108644576A CN 201810265400 A CN201810265400 A CN 201810265400A CN 108644576 A CN108644576 A CN 108644576A
- Authority
- CN
- China
- Prior art keywords
- hole
- bar portion
- base portion
- adjustment mechanism
- lift adjustment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
Abstract
The present invention provides a kind of lift adjustment mechanisms, and it includes include the base portion of first through hole；Foot section including bar portion and limiting section, the wherein bar portion are rotatably connected at the first through hole to be risen or fallen relative to the base portion, which is located at the first end of the bar portion and includes the second through-hole being arranged perpendicular to bar portion length direction；And locating part, which is connected in second through-hole and it is more than the aperture size of the first through hole along the size of the second through-hole axial direction；Wherein, which includes the first magnetic patch and the second magnetic patch, which is fixed on second through-hole, which is detachably secured to via second through-hole in second through-hole.Lift adjustment mechanism provided by the invention constitutes Fastening tenon structure by the locating part being laterally arranged with limiting section, prevents foot section end from surprisingly falling off；It is needing to install or remove foot section, it is only necessary to the Fastening tenon structure is fixed or be released fixation and can be realized.
Description
Technical field
A kind of inclining the present invention relates to supporting mechanism field more particularly to relative to setting plane for adjusting electronic equipment
Rake angle and height.
Background technology
Electronic equipment is equipped with the mechanism for facilitating adjustment its height and gradient, such as projector, passes through the mechanism tune
Height and angle of inclination of the whole projector relative to setting plane (such as desktop), to make image be thrown at an appropriate location with size
It is mapped on metope, allows user that can cosily watch image.
In general, being extended through screw structural or stabilizer blade of retracting realizes the adjusting of the height and gradient of electronic equipment.
However, in structures of this kind, when stabilizer blade is extended, being not engaged in screw structural if stabilizer blade extends to it
Position, stabilizer blade is easy to detach from the main body of electronic equipment or stabilizer blade is rocked relative to the main body of electronic equipment, cannot be very
Support electronic equipment well.In order to overcome the above problem, generally use top that there is the plastic screw (as shown in Figure 1A) of hook,
But in order to ensure smoothly to lock, the elasticity of top hook is larger, and there are still be easily separated from and rock；Using screw rod
Top card E type rings are limited (as shown in Figure 1B), then have that resistance is too big, problem not easy to assemble.
Therefore, it is necessary to a kind of novel lift adjustment mechanism be designed, to overcome drawbacks described above.
Invention content
The purpose of the present invention is to provide a kind of lift adjustment mechanisms, can prevent adjustment from accident occurring in the process de-
It falls, simple in structure, framework is stablized, easy to use, installation and removal.
In order to achieve the above objectives, the present invention provides a kind of lift adjustment mechanism, it includes,
Base portion, the base portion include first through hole；
Foot section, the foot section include：
Bar portion, the bar portion are rotatably connected at the first through hole, to be risen or fallen relative to the base portion；And
Limiting section, the limiting section are located at the first end of the bar portion, which includes the second through-hole, the axis of second through-hole
To the length direction perpendicular to the bar portion；And
Locating part, the locating part are connected in second through-hole, which is more than along the size of the second through-hole axial direction
The aperture size of the first through hole；
Wherein, which includes the first magnetic patch and the first magnetic stripe, which is fixed on second through-hole, this first
Magnetic stripe coordinates releasably secure with first magnetic patch in second through-hole.
Preferably, one end of second through-hole further includes the second groove, the shape of second groove and first magnetic patch
Shape matches, which is fixed in second groove.
Preferably, the shape of the radial section of second groove includes：Rectangular, round, triangle or polygon.
Preferably, when first magnetic stripe is projected on the base portion along the length direction of the bar portion, first magnetic stripe is extremely
Small part is fallen within outside the first through hole；And/or
First magnetic stripe at least partly matches with second through-hole, this by second magnetic patch is at least partly fixed
In second through-hole.
Preferably, the first through hole includes the first screw thread, which has the screw thread to match with first screw thread；The limit
Position portion further includes the screw thread to match with first screw thread.
Preferably, the foot section further includes base portion, which is set to the second end of the bar portion, the first end with should
Second end position is opposite；
The base portion includes：
Adjustment section, the adjustment section rotate the bar portion to hand-held；And
Support portion, the support portion to by the lift adjustment mechanism supports on a stationary plane.
Preferably, the second end of the base portion and the bar portion is integrally formed；Alternatively, the adjustment section and the bar portion this
Two ends are integrally formed.
Preferably, the adjustment section is integrally formed with the support portion；Alternatively,
The adjustment section includes the first groove, which is contained in the groove, and at least partly stretching of the support portion
The groove.
In order to achieve the above objectives, the present invention provides a kind of electronic devices, and it includes lift adjustment mechanisms as described above；
Wherein, which includes shell, which includes the base portion；
Wherein, the first end of the bar portion is stretched into via the first through hole of the base portion in the shell.
In order to achieve the above objectives, the present invention provides a kind of projection arrangements, and it includes lift adjustment mechanisms as described above；
Wherein, which includes shell, which includes the base portion；
Wherein, the first end of the bar portion is stretched into via the first through hole of the base portion in the shell.
Compared with prior art, the electronics of the lift adjustment mechanism of lift adjustment mechanism provided by the invention and application is set
Standby and projection arrangement, the Fastening tenon structure being made up of the limiting section and locating part that are laterally arranged, realizes the limit of foot section end
Position, to prevent unexpected fall off；It is needing to install or remove foot section, it is only necessary to the Fastening tenon structure is fixed or be released and fixed i.e.
It can be achieved, can be disassembled for example, locating part is taken out from limiting section, alternatively, by the second magnetic patch of magnetic absorption from limit
It extracts and can be disassembled in position portion.
Description of the drawings
Figure 1A is a kind of structural schematic diagram of the lift adjustment mechanism of screw structural in background technology；
Figure 1B is the structural schematic diagram of the lift adjustment mechanism of another screw structural in background technology；
Fig. 2A is the assembly structure diagram of one embodiment of the invention；
Fig. 2 B are the package assembly sectional view of one embodiment of the invention；
Fig. 2 C are the decomposition texture schematic diagram of one embodiment of the invention；
Fig. 3 A are the assembly structure diagram of first embodiment of the invention；
Fig. 3 B are the package assembly sectional view of another embodiment of the present invention；
Fig. 3 C are the decomposition texture schematic diagram of another embodiment of the present invention；
Fig. 3 D are the decomposition texture schematic diagram of another embodiment of the present invention；
Fig. 3 E are the decomposition texture schematic diagram of another embodiment of the present invention；
Fig. 4 is the structural schematic diagram that the present invention is applied to projection arrangement.
Specific implementation mode
To make to have further understanding to the purpose of the present invention, construction, feature and its function, hereby coordinate embodiment detailed
It is described as follows.
Some vocabulary has been used in specification and claims to censure specific element.Have in fields
Usual skill is, it is to be appreciated that manufacturer may call the same element with different nouns.This specification and right are wanted
It asks book not in such a way that the difference of title is used as and distinguishes element, but differentiation is used as with the difference of element functionally
Criterion.It is open term in the " comprising " of specification in the whole text and claim mentioned in, therefore should be construed to " including but
It is not limited to ".
With reference to shown in Fig. 2A to Fig. 2 C, the structural schematic diagram of the first embodiment of lift adjustment mechanism of the present invention is disclosed,
The lift adjustment mechanism includes foot section 10, locating part 20 and base portion 30.
Base portion 30 includes first through hole 31, and first through hole 31 can be opened on the shell of electronic device, can also be with
On the through-hole for the shell that one through-hole part is fixed on electronic device, or it is fixed on the shell of electronic equipment with a through-hole part, or
Person says that the shell of electronic device includes the first through hole 31 in the base portion 30 and base portion, and invention is not limited thereto.
First through hole 31 is equipped with screw thread, for the connection and adjustment with foot section 10.
Foot section 10 includes bar portion 11 and limiting section 12.Bar portion 11 is connected to first through hole 31, with relative to base portion 30
It rises or falls；Preferably, bar portion 11 and first through hole 31 have the screw thread (the first screw thread) being mutually matched, opposite in bar portion 11
Displacement of the generation along 11 length direction of bar portion by the occlusion of screw thread drives when first through hole 31 rotates.Limiting section 12 is arranged
In the first end of bar portion 11, limiting section 12 includes the second through-hole 121, the length for being axially perpendicular to bar portion 11 of the second through-hole 121
Direction.Preferably, in order to facilitate the screw-in of foot section 10, the size of setting limiting section 12 is less than size (such as Fig. 3 A of bar portion 11
Shown in Fig. 3 C), alternatively, side size of the limiting section 12 far from bar portion 11 is gradually reduced (as shown in Figure 3D)；Limiting section 12
Shape can be a part for cylindrical, cone or cylindrical cone；Preferably, in order to preferably with locating part 20 connect
It connects, the axial plane of the second through-hole 121 opened orifice position, be arranged perpendicular to the second through-hole 121 in limiting section 12.
Preferably, limiting section 12 except it is reserved connect with locating part 20 when required resigning in addition to, close proximity to the spiral shell of bar portion 11
Line (as shown in figs. 3 a-3d)；Preferably, limiting section 12 except the second through-hole 121 open orifice position in addition to, also have bar portion 11 extend
To the screw thread (as shown in FIGURE 3 E) of limiting section 12；In this way, even if the foot section 10 in the lifting structure is rotatably moved to close to limit
The position in position portion 12 will not still occur to rock caused by bar portion 11 and the coupling of first through hole 31 be not close, cannot stablize branch
The problem of support.
Locating part 20 may connect in the second through-hole 121, and locating part 20 is more than first along the size of the second through-hole axial direction and leads to
The aperture size in hole 31, in this way, even if because of locating part 20 if foot section 10 is moved to its limiting section 12 close at first through hole 31
Position-limiting action, the situation to fall off without accident occurs.Locating part 20 is fully fixed on when in order to allow normal use
In two through-holes 121, it can smoothly be dismantled in dismounting and not damage foot section 10 and locating part 20, be convenient for secondary use.It is preferred that
Ground, locating part 20 include the first magnetic patch 21 and the second magnetic patch 22, and the first magnetic patch 21 is fixed on the second through-hole 121, the second magnetic patch 22
The second through-hole of partial insertion 121 to be removably secured with the first magnetic patch because of magnetic-adsorption.
Preferably, one end of the second through-hole 121 further includes the second groove 122, shape and the first magnetic patch of the second groove 122
21 shape matches, and the first magnetic patch 21 is fixed in the second groove 122 (shown in such as Fig. 2A to Fig. 2 C, Fig. 3 A to 3C).
The cross sectional shape radial along the second through-hole 121 of second groove 122 can be rectangular, round, triangle or polygon, etc..
First magnetic patch 22 is embedded and be fixed in the second groove 122 by the modes such as pasting, fixing, and is held in the second through-hole 121
One end open.First magnetic patch 21 can also be directly fixed on to the outside (as shown in Figure 3D) of the second through-hole 121.
Second magnetic patch 22 is inserted into from another end opening of the second through-hole 121, and is fixed on the first magnetic patch by magnetic-adsorption
21.After the fixation of the second magnetic patch 22, the part of the second magnetic patch 22 is located in the second through-hole 121, and another part stretches out the second through-hole
121, and the second magnetic patch is at least partly projected on other than the first through hole of base portion 30, that is to say, that second magnetic patch 22 is fixed
When the second through-hole 121, part of it stretches out from the second through-hole 121 and extends beyond the projection of first through hole 31 to the side
Position (along bar portion direction, in the projection of base portion), in this way, due to the barrier effect of the second magnetic patch 22, the branch in normal use
The limiting section of foot 10 will not be screwed out from first through hole 31 is unexpected.
Second magnetic patch 22 can be one equal always along the axial sectional dimension of the second through-hole 121, can also be only part
Match with the size of the second through-hole 121, i.e., is only inserted into the portion size and aperture phase of the second magnetic patch 22 of the second through-hole 121
Match, in order to be stably fixed to the second through-hole 121, and obtains the resist force along 11 length direction of bar portion, it is effective to ensure
Limit effect (as shown in Figure 3A).The portion size that second magnetic patch 22 exposes the second through-hole 121 can be more than the second through-hole 121 of insertion
Interior portion size, even if the position of abutting is inclined to be remained to be corresponded in the slight deformation of its generation or base portion 30
Effectively supports and limit (as shown in Figure 3B).The cross sectional shape of second through-hole 121 and the second magnetic patch 22 can be circle, can also
It is polygon (such as rectangular, hexagon etc.)；When the cross sectional shape of the second magnetic patch 22 is polygon, it is preferred that towards bar portion
The face of second magnetic patch 22 of 11 other ends is the plane formed on one side in polygonal cross-section, is roughly parallel to base portion 30.
Second magnetic patch 22 can be abutted with 21 contact of the first magnetic patch (as shown in Fig. 2A to Fig. 3 D).Second magnetic patch 22 also can be with
First magnetic patch 21 non-contiguously magnetic-adsorption, at this time the second through-hole 121 be not conducted with the second groove 122.Above with the second magnetic
Block 22 can abut more preferably with 21 contact of the first magnetic patch, and the axial length of the second through-hole 121 first can be made full use of with to
Two magnetic patch 22 are fixed, and resist force and stability are more preferably；Second, the second through-hole 121 more holds with the conducting processing of the second groove 122
Easily.
In order to reduce the abrasion generated when the second magnetic patch 22 and base portion 30 abut, the second magnetic patch 22 of design is smooth outer
Surface.
Preferably, the second magnetic patch 22 stretches into some or all of both part of the second through-hole 121 and the second through-hole 121 and sets
The screw thread to match is set, to reinforce the structural stability after installing；Preferably, thread number is less, in order to promptly screw in
Second through-hole 121 carries out locking fixed and removal.One circle groove, the second magnetic can be also set at the inside of the second through-hole 121
The one circle protrusion of corresponding position setting of block 22, its protrusion is embedded in the groove of the second through-hole 121 after the insertion of the second magnetic patch 22, this
Sample can prevent the second magnetic patch 22 from surprisingly being touched down under smaller outer force effect, to influence limit effect (as shown in Figure 3 C).
Foot section 10 may also include base portion 13, and base portion 13 is set to the second end of bar portion 11, the second end of bar portion 11
It is opposite with its first end position, for being supported on supporting plane.Base portion 13 includes adjustment section 131 and support portion 132.It adjusts
Whole 131, to hand-held rotation bar portion 11, have a diameter larger than the diameter of bar portion 11, have centered on the axle center of bar portion 11
Surface exerts a force convenient for holding the surface；Preferably, the processing for the surface increase friction, for example, designing it with gear
The surface of shape or net grain surface, or axial fin, etc.；Preferably, in order to increase the comfort level of hand-held, setting is adjusted
Whole 131 there is suitably sized and corner to carry out the round and smooth processing of chamfering；Invention is not limited thereto.Support portion 132 is used for
By lift adjustment mechanism supports in a fixation surface, there is a supporting surface, supporting surface can be spherical surface a part or its
His outwardly projecting shape.There can not also be support portion 132, and a fixation table is directly supported in the second end of bar portion 11
Face, wherein chamfering smooth treatment is carried out to the second end of bar portion 11.
Adjustment section 131 may include that the first groove 131A, support portion 132 are accommodated and be fixed in the first groove 131A, and prop up
At least partly stretching the first groove 131A of support part, and it is connected to outer surface level.Adjustment section 131 and support portion 132 also can be integrated
Molding.Adjustment section 131 can be integrally formed with the second end of bar portion 11, be conducive to for example, the second end of bar portion 11 is provided with
The structure of post forming passes through the post forming integration of the modes such as injection molding by it as in mold in second end；In adjustment section
131 and support portion 132 when being integrally molded so as base portion 13, base portion 13 can be integrally formed with the second end of bar portion 11.
Electronic device includes above-mentioned lift adjustment mechanism.Electronic device includes shell 1, and shell includes above-mentioned base portion 30,
Base portion 30 can be integrated with shell 1, may also set up and is fixed on shell 1.
The first end and limiting section 12 of the bar portion 11 in foot section 10 in lift adjustment mechanism are via in base portion 30
First through hole 31 stretches into shell, and is hidden in the inner space S of electronic device of shell formation.Bar portion in foot section 10
11 second end and base portion that may be present 13 are exposed to shell, and can be by shell relative to electronic device institute's horizontalization face
It rises or falls, and then realizes the angle of inclination of electronic device and/or the adjustment of height.
Electronic device can be projection arrangement, camera or other electronics for needing to adjust angle of inclination and/or height
Device.
In conclusion electronic equipment and the throwing of the lift adjustment mechanism of lift adjustment mechanism provided by the invention and application
Image device, the Fastening tenon structure being made up of the limiting section and locating part that are laterally arranged, realizes the limit of foot section end, to prevent
It is only unexpected to fall off；It is needing to install or remove foot section, it is only necessary to the Fastening tenon structure is fixed or is released fixation and can be realized,
It can be disassembled for example, locating part is taken out from limiting section, alternatively, the second magnetic patch of magnetic absorption is extracted from limiting section
It can be disassembled.
The present invention is described by above-mentioned related embodiment, however above-described embodiment is only the example for implementing the present invention.
It must be noted that the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, do not depart from the present invention spirit and
It is changed and retouched made by range, belongs to the scope of patent protection of the present invention.
Claims (10)
1. a kind of lift adjustment mechanism, which is characterized in that include,
Base portion, the base portion include first through hole；
Foot section, the foot section include：
Bar portion, the bar portion are rotatably connected at the first through hole, to be risen or fallen relative to the base portion；And
Limiting section, the limiting section are located at the first end of the bar portion, which includes the second through-hole, and the axial direction of second through-hole is hung down
Directly in the length direction of the bar portion；And
Locating part, the locating part are connected in second through-hole, the locating part along the size of the second through-hole axial direction be more than this
The aperture size of one through-hole；
Wherein, which includes the first magnetic patch and the first magnetic stripe, which is fixed on second through-hole, first magnetic stripe
Coordinate releasably secure in second through-hole with first magnetic patch.
2. lift adjustment mechanism as described in claim 1, which is characterized in that
One end of second through-hole further includes the second groove, and the shape of second groove and the shape of first magnetic patch match,
First magnetic patch is fixed in second groove.
3. lift adjustment mechanism as claimed in claim 2, which is characterized in that
The shape of the radial section of second groove includes：Rectangular, round, triangle or polygon.
4. lift adjustment mechanism as described in claim 1, which is characterized in that
When first magnetic stripe is projected on the base portion along the length direction of the bar portion, which at least partly falls within this
Outside first through hole；And/or
First magnetic stripe at least partly matches with second through-hole, this by second magnetic patch is at least partly fixed on this
In second through-hole.
5. lift adjustment mechanism as described in claim 1, which is characterized in that
The first through hole includes the first screw thread, which has the screw thread to match with first screw thread；The limiting section further includes
The screw thread to match with first screw thread.
6. lift adjustment mechanism as described in claim 1, which is characterized in that
The foot section further includes base portion, which is set to the second end of the bar portion, the first end and second end position
Relatively；
The base portion includes：
Adjustment section, the adjustment section rotate the bar portion to hand-held；And
Support portion, the support portion to by the lift adjustment mechanism supports on a stationary plane.
7. lift adjustment mechanism as claimed in claim 6, which is characterized in that
The second end of the base portion and the bar portion is integrally formed；Alternatively, the second end one of the adjustment section and the bar portion at
Type.
8. lift adjustment mechanism as claimed in claim 6, which is characterized in that
The adjustment section is integrally formed with the support portion；Alternatively,
The adjustment section includes the first groove, which is contained in the groove, and this is recessed for at least partly stretching of the support portion
Slot.
9. a kind of electronic device, which is characterized in that comprising such as claim 1-8 any one of them lift adjustments mechanism；
Wherein, which includes shell, which includes the base portion；
Wherein, the first end of the bar portion is stretched into via the first through hole of the base portion in the shell.
10. a kind of projection arrangement, which is characterized in that comprising such as claim 1-8 any one of them lift adjustments mechanism；
Wherein, which includes shell, which includes the base portion；
Wherein, the first end of the bar portion is stretched into via the first through hole of the base portion in the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810265400.3A CN108644576A (en) | 2018-03-28 | 2018-03-28 | A kind of lift adjustment mechanism, electronic device and projection arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810265400.3A CN108644576A (en) | 2018-03-28 | 2018-03-28 | A kind of lift adjustment mechanism, electronic device and projection arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108644576A true CN108644576A (en) | 2018-10-12 |
Family
ID=63745140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810265400.3A Pending CN108644576A (en) | 2018-03-28 | 2018-03-28 | A kind of lift adjustment mechanism, electronic device and projection arrangement |
Country Status (1)
| Country | Link |
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| CN (1) | CN108644576A (en) |
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| CN2779041Y (en) * | 2005-03-14 | 2006-05-10 | 陈香海 | Ferromagnetic tubing elevator |
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| CN203882032U (en) * | 2014-06-13 | 2014-10-15 | 金华职业技术学院 | Glasses frame with glasses legs and glasses framework which are connected via magnetic pin holes |
| CN104632822A (en) * | 2013-11-08 | 2015-05-20 | 天津博昊科技发展有限公司 | Falling-prevention end pin |
| CN205154867U (en) * | 2015-11-04 | 2016-04-13 | 天津市远野科技发展有限公司 | New -type spacing fastener |
-
2018
- 2018-03-28 CN CN201810265400.3A patent/CN108644576A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20117485U1 (en) * | 2001-10-25 | 2002-04-11 | Korkeakoski Jorma | safety device |
| CN2779041Y (en) * | 2005-03-14 | 2006-05-10 | 陈香海 | Ferromagnetic tubing elevator |
| CN201003182Y (en) * | 2005-11-17 | 2008-01-09 | 卡特彼勒公司 | Ground surface embedded tool retaining device |
| CN200955542Y (en) * | 2006-03-17 | 2007-10-03 | 连斌 | Novel safety anti-drop screw |
| CN103543580A (en) * | 2012-07-13 | 2014-01-29 | 台达电子工业股份有限公司 | Display device, display device assembly method, and assembly structure for display device |
| CN104632822A (en) * | 2013-11-08 | 2015-05-20 | 天津博昊科技发展有限公司 | Falling-prevention end pin |
| CN203882032U (en) * | 2014-06-13 | 2014-10-15 | 金华职业技术学院 | Glasses frame with glasses legs and glasses framework which are connected via magnetic pin holes |
| CN205154867U (en) * | 2015-11-04 | 2016-04-13 | 天津市远野科技发展有限公司 | New -type spacing fastener |
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Application publication date: 20181012 |
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