CN2735847Y - Eyesight protection rack - Google Patents
Eyesight protection rack Download PDFInfo
- Publication number
- CN2735847Y CN2735847Y CN 200420044470 CN200420044470U CN2735847Y CN 2735847 Y CN2735847 Y CN 2735847Y CN 200420044470 CN200420044470 CN 200420044470 CN 200420044470 U CN200420044470 U CN 200420044470U CN 2735847 Y CN2735847 Y CN 2735847Y
- Authority
- CN
- China
- Prior art keywords
- protection rack
- eyesight protection
- interlude
- folding
- eyesight
- 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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Abstract
The utility model discloses an eyesight protection rack, which comprises a lifting rod, a concave jointing slot and a folding rod. The bottom surface of the concave jointing slot is a bonding surface. The lifting rod comprises an inner rod and a sleeve barrel sheathed outside the inner rod, wherein, one end of the inner rod is provided with a convex joint which is clamped with the concave jointing slot, and the side surface of the other end of the inner rod is provided with a press button. The side surface of the sleeve barrel is provided with at least one through hole matched with the press button. The folding rod comprises a middle segment and folding segments positioned at the two ends of the middle segment, and the middle segment and the folding segments are movably connected through hinges. The middle segment is movably connected with the sleeve barrel through a hinge. The eyesight protection rack of the utility model solves the problems that teachers and student's parents are hard to correct the read-write distance of the students and incorrect learning poses to cause the deterioration of the eyesight. The eyesight protection rack has the advantages of simple structure, optional regulation, and the eyesight protection rack can be folded to conveniently carry. When the eyesight protection rack is used, the eyesight protection rack can effectively force the students to correct the working poses, position and limit the distance between eyes and books, and prevent the occurrence of the myopia.
Description
[technical field]
The utility model relates to a kind of sight protectio frame, but relates in particular to a kind of regulated at will, and folding sight protectio frame.
[background technology]
Adolescent student generally causes the crooked hunchback of hypopsia and cervical vertebra etc., unhealthful growth because of the sighting distance fault of reading and writing at present.Pupil's ability of self control is poor, and middle school student are active, is often seeing that written word damaged eyesight because of the hypotelorism of eyes and desktop often.The teacher is reasonable for the adjustment of student's sighting distance, generalization of image is " three one ", promptly " eye distance desktop one chi, chest apart from table limit one fist, hand apart from the nib one-inch " is with standard student's read-write posture, the head of a family corrects every now and then, but the myopia of student person is still more and more, operation, drug therapy myopia effect are not desirable, and risky, so best approach is that control is main.
[utility model content]
To be difficult to correct pupil reading and writing sighting distance and learning posture incorrect and cause the problem of hypopsia in order to overcome the head of a family of Faculty and Students, but the utility model provides a kind of regulated at will, and folding sight protectio frame.
For realizing the purpose of this utility model; the technical scheme that the utility model adopted is: a kind of sight protectio frame is provided; it comprises elevating lever; spill engaging groove and folding rod; the bottom surface of this spill engaging groove is an adhesive surface; bar and the sleeve that is set in outside the interior bar in this elevating lever comprises; an end tool one convex joint of bar in being somebody's turn to do; it engages with this spill engaging groove; side tool one button of the other end of bar in being somebody's turn to do; at least one through hole that cooperates with this button of the side tool of this sleeve; this folding rod comprises interlude and is positioned at the folded section at interlude two ends that this interlude and folded section are that this interlude and sleeve also are to flexibly connect by hinge by the hinge flexible connection.
The beneficial effects of the utility model are: sight protectio shelf structure of the present utility model is simple, but regulated at will, and collapsible; therefore be easy to carry; can force the student to rectify work posture during use effectively, the distance of alignment restrictions eyes and books prevents the generation of myopia.The student sits up straight the desk read-write, when body forward is inclined, hinders the student and continues operation.Therefore long-term use can be formed correct sighting distance posture, make and grow up healthy and sound in all respects, thereby diseases such as capable of preventing myopia, spinal curvature deformity takes place.
[description of drawings]
Fig. 1 is the schematic diagram of the utility model sight protectio frame.
[specific embodiment]
See also Fig. 1, sight protectio frame of the present utility model comprises spill engaging groove 1, elevating lever 2 and folding rod 3, and the bottom surface of its middle concave engaging groove 1 is an adhesive surface, and itself and desktop are bonding, a wherein side tool one breach of spill engaging groove 1; Bar 21 and the sleeve 22 that is set in outside the interior bar 21 in elevating lever 2 comprises, one end tool, one convex joint 211 of interior bar 21, it engages with spill engaging groove 1, side tool one button 212 of the other end of interior bar 21, at least one through hole 221 that cooperates with button 212 of the side tool of sleeve 22, interior bar 21 is connected by the cooperation of button 212 with through hole 221 exactly with sleeve 22; Folding rod 3 comprises interlude 31 and the folded section 32 that is positioned at interlude 31 two ends, and interlude 31 and folded section 32 are to flexibly connect by hinge 321, and interlude 31 and sleeve 22 also are to flexibly connect by hinge 222.Tool one magnetic sheet (figure indicate) also between the hinge 222 in addition is to play a fixation.
During use; at first the spill engaging groove 1 of sight protectio frame of the present utility model is bonded on the middle part in dead ahead of desktop; then the convex joint 211 of interior bar 21 breach along spill engaging groove 1 is snapped in the spill engaging groove 1; needs according to student's height press the button 212 to regulate the height of elevating lever 2 again; subsequently the interlude 31 of folding rod 3 is deployed into the position vertical with elevating lever 2; magnetic sheet between the hinge 222 is fixing with the interlude 31 and the elevating lever 2 of folding rod 3 at this moment; at last the folded section 32 of folding rod 3 is deployed into the position of level; student's health touches the edge at the sight protectio frame; with the distance of science control eyes from books; correct sitting posture when writing, thereby the generation of pre-myopia prevention.After read-write finishes elevating lever 2 is taken off from desktop, and be retracted to the shortest position, then that the folded section 32 of folding rod 3 is folding, and the interlude 31 of folding rod 3 is folding, thus be easy to carry.
Claims (3)
1; a kind of sight protectio frame; it comprises elevating lever; it is characterized in that: it also comprises spill engaging groove and folding rod; the bottom surface of this spill engaging groove is an adhesive surface; bar and the sleeve that is set in outside the interior bar in this elevating lever comprises; an end tool one convex joint of bar in being somebody's turn to do; it engages with this spill engaging groove; side tool one button of the other end of bar in being somebody's turn to do; at least one through hole that cooperates with this button of the side tool of this sleeve; this folding rod comprises interlude and is positioned at the folded section at interlude two ends that this interlude and folded section are that this interlude and sleeve also are to flexibly connect by hinge by the hinge flexible connection.
2. sight protectio frame as claimed in claim 1 is characterized in that: tool one magnetic sheet also between the connection hinge of the interlude of this folding rod and sleeve.
3. sight protectio frame as claimed in claim 1 is characterized in that: a wherein side tool one breach of this spill engaging groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420044470 CN2735847Y (en) | 2004-04-07 | 2004-04-07 | Eyesight protection rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420044470 CN2735847Y (en) | 2004-04-07 | 2004-04-07 | Eyesight protection rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2735847Y true CN2735847Y (en) | 2005-10-26 |
Family
ID=35306584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420044470 Expired - Fee Related CN2735847Y (en) | 2004-04-07 | 2004-04-07 | Eyesight protection rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2735847Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103584935A (en) * | 2013-10-29 | 2014-02-19 | 李明科 | Sitting posture corrector |
-
2004
- 2004-04-07 CN CN 200420044470 patent/CN2735847Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103584935A (en) * | 2013-10-29 | 2014-02-19 | 李明科 | Sitting posture corrector |
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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 |