CN2754183Y - Foldable myopia-proof frame - Google Patents
Foldable myopia-proof frame Download PDFInfo
- Publication number
- CN2754183Y CN2754183Y CN 200420081456 CN200420081456U CN2754183Y CN 2754183 Y CN2754183 Y CN 2754183Y CN 200420081456 CN200420081456 CN 200420081456 CN 200420081456 U CN200420081456 U CN 200420081456U CN 2754183 Y CN2754183 Y CN 2754183Y
- Authority
- CN
- China
- Prior art keywords
- myopia
- montant
- clamping plate
- shaped clamping
- cross bar
- 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.)
- Expired - Fee Related
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- Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
Abstract
The utility model relates to a folding myopia-proof frame, which is characterized in that the folding myopia-proof frame is composed of a fixing seat (1), a U-shaped cleat (2), a vertical rod (3), locking devices (4), an adjusting rod (5), a U-shaped cleat (6) and a transverse rod (7), wherein the fixing seat (1), the U-shaped cleat (2) and the vertical rod (3) are connected into a whole through a bolt. The adjusting rod (5) is sheathed on the upper part of the vertical rod (3). The adjusting rod (5), the U-shaped cleat (6) and the transverse rod (7) are connected into a whole through the bolt. The lower end part of the vertical rod (3), the upper end part and the lower end part of the adjusting rod (5), and the middle part of the transverse rod (7) are provided with the locking devices (4). The utility model has the advantages that when the folding myopia-proof frame is used, the height of the folding myopia-proof frame is adjustable, after the folding myopia-proof frame is used, the folding myopia-proof frame can be folded together and placed horizontally, and the folding myopia-proof frame has the characteristics of beautiful appearance, reasonable structure, light weight and convenient transition between a use state and a folding state.
Description
Technical field
It is the framework of feature by dismountable unit construction that the utility model relates to a kind of, particularly a kind of collapsible myopia-preventing frame.
Background technology
The myopic number of student is high, and the trend that increases is year by year arranged, and has caused people from all walks of life's common concern, be pre-myopia prevention, particularly prevent pupil's myopia, they rectify the sitting posture except that education, also adopt some utensils, as myopia prevention seat, desk for preventing myopia, myopia-preventing frame etc., with regard to myopia-preventing frame, the defective that existing myopia-preventing frame exists is: or load onto, or pull down, can not fold, bring inconvenience to use.
Summary of the invention
The purpose of this utility model provides a kind of collapsible myopia-preventing frame, be provided with a plurality of locking devices, utilize locking device can make myopia-preventing frame be in user mode, also can be by the locking of release and another kind of mode, make myopia-preventing frame be in closed state, it is very little to take up room when superimposed, and lock or release convenient especially
A kind of collapsible myopia-preventing frame, comprise holder, montant, cross bar, it is characterized in that: this collapsible myopia-preventing frame is by holder 1, U-shaped clamping plate 2, montant 3, locking device 4, adjuster bar 5, U-shaped clamping plate 6, cross bar 7 constitutes, holder 1 is made up of fixed body 1a and wing bolt 1b, its antetheca of fixed body 1a is provided with the screw of arranging wing bolt 1b, the leading section of two sidewall is a serrate, U-shaped clamping plate 2 its rear wall are provided with three and are the pin-and-hole that isosceles triangle is arranged, montant 3 tops are provided with a plurality of pin-and-holes that are vertical layout, a locking device 4 is equipped with in its bottom, adjuster bar 5 is sleeved in the montant 3, and its upper end and bottom are provided with a locking device 4 respectively, and a side of U-shaped clamping plate 6 has two pin-and-holes of vertically arranging, the middle part of cross bar 7 is provided with a locking device 4, by screw with holder 1, U-shaped clamping plate 2, montant 3 is connected as a single entity, and cross bar 7 is clamped in the U-shaped clamping plate 6, by screw with adjuster bar 5, U-shaped clamping plate 6, cross bar 7 is connected as a single entity; Montant 3, adjuster bar 5, cross bar 7 all adopt hollow tubular; Each locking device 4 is that the end with a spring pin 4a is welded on a U-shaped reed 4b and goes up and form, and wherein reed partly is embedded in the hollow tubular that has pin-and-hole.
When using this myopia-preventing frame, by fixed body 1a and wing bolt 1b myopia-preventing frame is fixed on the crosspiece of below, edge of desk panel; Make cross bar 7 and adjuster bar 5 form T shape, press the spring pin 4a of lower dolly bar 5 lower end, behind the height of adjusting cross bar 7, each locking device locking.The superimposed step of this myopia-preventing frame is: 1) press the spring pin 4a on the sheer pole 7, spur cross bar 7 and make one end and U-shaped clamping plate 6 edges near flushing 2) press the spring pin 4a of lower dolly bar 5 upper end, cross bar 7 rotates 90 °, and this moment, cross bar 7 was parallel with montant 3; 3) press the spring pin 4a of montant 3 lower end, montant 3 is rotated 90 °, the myopia-preventing frame of this moment is in closed state, and closed state is locked.When reusing, operate each locking device 4, make myopia-preventing frame be in suitable user mode.
With prior art relatively, the utility model has the advantages that: it highly was adjustable when myopia-preventing frame used, and can be superimposed together after the use keeps flat, and good looking appearance is rational in infrastructure, in light weight, and user mode and closed state conversion are convenient.
Description of drawings
Fig. 1 is the structural representation of collapsible myopia-preventing frame.
Fig. 2 is the rear view of Fig. 1.
Fig. 3 is the wiring layout of locking device 4.
Embodiment
Embodiment 1:
A kind of collapsible myopia-preventing frame, as Fig. 1, shown in Figure 2, by holder 1, U-shaped clamping plate 2, montant 3, locking device 4, adjuster bar 5, U-shaped clamping plate 6, cross bar 7 constitutes, montant, adjuster bar, cross bar 7 all adopts stainless steel to make, montant 3 is of a size of Φ 10 * 170mm, adjuster bar 5 is of a size of Φ 9 * 150mm, cross bar 7 is of a size of Φ 9 * 260mm, by screw with holder 1, U-shaped clamping plate 2, montant 3 is connected as a single entity, adjuster bar 5 is sleeved on the top of montant 3, by screw with adjuster bar 5, U-shaped clamping plate 6, cross bar 7 is connected as a single entity, bottom at montant 3, the upper end of adjuster bar 5 and bottom, the middle part of cross bar 7 is respectively equipped with locking device 4, this locking device 4 is made up of spring pin 4a and U-shaped reed 4b, the end of spring pin 4a is welded on the side of reed 4b, reed 4b is embedded in the hollow tubular, and the other end of spring pin 4a stretches out the corresponding pin-and-hole on the tube wall.Operational lock device 4 makes myopia-preventing frame be in user mode, perhaps closed state, and the two states conversion is very convenient, can put a bit of plastic tube at the two ends of cross bar 7.
Embodiment 2:
A kind of collapsible myopia-preventing frame, it is hexagonal hollow tubular that montant 3, adjuster bar 5, cross bar 7 adopt its section, the structure of remainder is identical with embodiment 1.
Embodiment 3:
A kind of collapsible myopia-preventing frame, the structure of pressing Fig. 1, Fig. 2, its parts all adopt working of plastics.
Claims (3)
1. collapsible myopia-preventing frame, comprise holder, montant, cross bar, it is characterized in that: this collapsible myopia-preventing frame is by holder (1), U-shaped clamping plate (2), montant (3), locking device (4), adjuster bar (5), U-shaped clamping plate (6), cross bar (7) constitutes, holder (1) is made up of fixed body (1a) and wing bolt (1b), its antetheca of fixed body (1a) is provided with the screw of arranging wing bolt (1b), the leading section of two sidewall is a serrate, U-shaped clamping plate (2) its rear wall is provided with three and is the pin-and-hole that isosceles triangle is arranged, montant (3) top is provided with a plurality of pin-and-holes that are vertical layout, a locking device (4) is equipped with in its bottom, adjuster bar (5) is sleeved in the montant (3), its upper end and bottom are provided with a locking device (4) respectively, one side of U-shaped clamping plate (6) has two pin-and-holes of vertically arranging, the middle part of cross bar (7) is provided with a locking device (4), by screw with holder (1), U-shaped clamping plate (2), montant (3) is connected as a single entity, cross bar (7) is clamped in the U-shaped clamping plate (6), by screw with adjuster bar (5), U-shaped clamping plate (6), cross bar (7) is connected as a single entity.
2. collapsible myopia-preventing frame according to claim 1,, it is characterized in that: montant (3), adjuster bar (5), cross bar (7) all adopt hollow tubular.
3. according to claim 1 and 2 described collapsible myopia-preventing frames, it is characterized in that: each locking device (4) is that the end with a spring pin (4a) is welded on a U-shaped reed (4b) and goes up and form, and wherein reed partly is embedded in the hollow tubular that has pin-and-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420081456 CN2754183Y (en) | 2004-08-02 | 2004-08-02 | Foldable myopia-proof frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420081456 CN2754183Y (en) | 2004-08-02 | 2004-08-02 | Foldable myopia-proof frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2754183Y true CN2754183Y (en) | 2006-01-25 |
Family
ID=35926292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420081456 Expired - Fee Related CN2754183Y (en) | 2004-08-02 | 2004-08-02 | Foldable myopia-proof frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2754183Y (en) |
-
2004
- 2004-08-02 CN CN 200420081456 patent/CN2754183Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |