CN218684931U - Automatically-telescopic protective eyeshade - Google Patents
Automatically-telescopic protective eyeshade Download PDFInfo
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- CN218684931U CN218684931U CN202221916092.4U CN202221916092U CN218684931U CN 218684931 U CN218684931 U CN 218684931U CN 202221916092 U CN202221916092 U CN 202221916092U CN 218684931 U CN218684931 U CN 218684931U
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- elastic band
- box
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- retractable
- elastic
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Abstract
The utility model belongs to the technical field of test protective tools, in particular to an automatic telescopic protective eyeshade, which adopts the connection of a coil spring and an elastic band to realize the automatic recovery of the elastic band and automatically wind and store the elastic band in a winding and unwinding box, thereby facilitating the storage of the elastic band; when the length of the elastic band is adjusted, the elastic band is released through the locking mechanism to enable the elastic band to move freely relative to the folding and unfolding box, the elastic band is adjusted to a proper length through pulling the elastic band, then the elastic band is locked and fixed relative to the folding and unfolding box through the locking mechanism, the adjustment mode of the length of the elastic band is convenient and fast, and the elastic band can be stored in the folding and unfolding box, so that the range of adjustment of the length of the elastic band is large, and the applicability is wide.
Description
Technical Field
The utility model belongs to the technical field of experimental protection apparatus, concretely relates to can automatic flexible eyeshade.
Background
In the test process, the protective eye cover is as the protective device, and mainly used avoids chemical, the object that splashes, infectious body fluid, infectious droplet, blood and highlight to cause the injury to eyes, and current protective eye cover mainly relies on the elastic band cover to establish at the head, wears the convenience, but because everyone head circumference size difference, can appear that the elastic band is tightened too tightly or the problem that the elastic band elasticity is not enough.
Chinese patent document CN214967616U (202120200402.1) discloses a degradable disposable medical epidemic prevention goggles, including the goggles picture frame, the goggles mirror holder, the elasticity bandeau, the adjustable hasp of elasticity bandeau, goggles mirror holder spring lock and rubber circle, it is fixed through goggles mirror holder spring lock to insert the goggles mirror holder in the goggles picture frame, the adjustable hasp of elasticity bandeau is respectively installed at elasticity bandeau both ends, the adjustable hasp of elasticity bandeau inserts in the goggles picture frame, the bonding of goggles picture frame facial one side has the rubber circle, the bandeau of above-mentioned goggles adopts the elastic cord, both ends are equipped with the regulation hasp, elasticity bandeau locked groove through the cooperation goggles picture frame outside, realize regulatory function, can be applicable to not wearing of equidimension head circumference. However, the adjustable latch of the elastic headband is mainly to use the pull rod to stretch and compress the telescopic tube so as to drive the latch of the elastic headband to be embedded into the latch groove of the elastic headband, thereby fixing the two ends of the elastic headband and adjusting the length of the elastic headband.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatically telescopic protective eyeshade, which increases the adjustment length of an elastic belt by arranging an elastic belt winding and unwinding device on an eyeshade body and accommodating one end of the elastic belt in the elastic belt winding and unwinding device; the elastic band winding and unwinding device winds and stores the elastic band in the winding and unwinding box by utilizing the coil spring, and fixes the elastic band and the winding and unwinding box together by utilizing the locking mechanism and releases the elastic band to enable the elastic band to freely move relative to the winding and unwinding box, so that the length of the elastic band can be adjusted more conveniently and rapidly.
In order to achieve the above object, the utility model provides a following technical scheme: an automatically telescopic protective eyeshade comprises an eyeshade body, an elastic belt and an elastic belt winding and unwinding device, wherein one end of the elastic belt is fixedly connected with the eyeshade body, and the other end of the elastic belt is accommodated in the elastic belt winding and unwinding device;
the elastic band winding and unwinding device comprises a winding and unwinding box, a coil spring and a locking mechanism, wherein the coil spring is arranged in the winding and unwinding box, one end of the coil spring is fixedly connected with the winding and unwinding box, and the other end of the coil spring is fixedly connected with the end part of the elastic band;
the locking mechanism is used for locking and fixing the elastic band relative to the storage box and releasing the elastic band to enable the elastic band to move freely relative to the storage box.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model adopts the connection of the coil spring and the elastic band, which can realize the automatic recovery of the elastic band and automatically wind and store the elastic band in the winding and unwinding box, thereby facilitating the storage of the elastic band;
when the length of the elastic band is adjusted, the elastic band is released through the locking mechanism to enable the elastic band to move freely relative to the folding and unfolding box, the elastic band is adjusted to be at a proper length by pulling the elastic band, then the elastic band is locked and fixed relative to the folding and unfolding box through the locking mechanism, the adjustment mode of the length of the elastic band is convenient and rapid, and the elastic band can be stored in the folding and unfolding box, so that the adjustment range of the length of the elastic band is wide, and the applicability is wide.
The technical proposal of the utility model is also that: the locking mechanism comprises a cam lock catch, the cam lock catch comprises a locking cam and a handle, and the locking cam is pivoted on the folding and unfolding box;
the retractable box is provided with a retractable opening with a rectangular longitudinal section, the elastic band enters and exits the retractable box through the retractable opening, and the elastic band is arranged between the locking cam and the side wall of the retractable opening. The elastic band is arranged between the locking cam and the side wall of the opening and closing port, and the distance between the locking cam and the side wall of the opening and closing port can be adjusted by rotating the locking cam due to different distances from different profiles of the locking cam to a rotating center; and because the elastic band has elasticity, when the distance between the locking cam and the side wall of the opening and closing opening is smaller than the thickness of the elastic band, the elastic band can be locked, extruded and fixed between the locking cam and the side wall of the opening and closing opening; and when the distance between the locking cam and the side wall of the opening is larger than the thickness of the elastic band, the elastic band can freely move between the locking cam and the side wall of the opening.
The technical proposal of the utility model is also that: still include the protection pad, the protection pad cover is established on the elastic band. In order to reduce the tightening pressure of the elastic band on the scalp, the protective pad is arranged on the elastic band, so that the oppressive feeling of the head can be reduced, and the protective eye shield is more comfortable to wear; and the protective cushion is sleeved on the elastic band, and the position of the protective cushion on the elastic band can be adjusted according to needs.
The technical proposal of the utility model is also that: still include the sealing ring, be provided with the sealing ring on the eye-shade body. The sealing ring can play the effect of sealed protection eyes on the one hand, and on the other hand because the sealing ring has certain elasticity, can alleviate the oppression sense of wearing in-process eye skin around.
The technical proposal of the utility model is also that: the elastic band is made of natural rubber. The natural rubber has good corrosion resistance, is used in a laboratory environment, and has longer service life.
Drawings
FIG. 1 is a schematic structural view of the automatically retractable eye shield of the present invention;
FIG. 2 is a schematic structural view of the elastic band released by the locking mechanism of the present invention, which enables the elastic band to move freely relative to the retraction box;
FIG. 3 is a schematic structural view of the locking mechanism of the present invention locking and fastening the elastic band relative to the storage box;
in the figure, 1 an eyeshade body, 2 an elastic band, 3 a storage box and 31 a storage opening;
4 coil spring, 5 cam lock catch, 51 locking cam, 52 handle;
6 protective pad, 7 sealing ring.
Detailed Description
The present invention is described in detail below with reference to the attached drawing figures:
as shown in fig. 1 and fig. 2, the automatically retractable eye shield comprises an eye shield body 1 and an elastic band 2, wherein a sealing ring 7 is arranged on the eye shield body 1, and the elastic band 2 is made of natural rubber.
The automatically telescopic protective eyeshade further comprises an elastic band winding and unwinding device arranged on the eyeshade body 1, one end of the elastic band 2 is fixedly connected with the eyeshade body 1, the other end of the elastic band is contained in the elastic band winding and unwinding device, the elastic band 2 and one end of the eyeshade body 1 are clamped in a locking buckle arranged on the eyeshade body 1, and the locking buckle can select the existing buckle.
Specifically, the elastic band winding and unwinding device comprises a winding and unwinding box 3, a coil spring 4 and a locking mechanism, wherein the coil spring 4 is arranged in the winding and unwinding box 3, one end of the coil spring 4 is fixedly connected with the winding and unwinding box 3, and the other end of the coil spring is fixedly connected with the end part of the elastic band 2.
The locking mechanism is used for locking and fixing the elastic band 2 relative to the storage box 3 and releasing the elastic band 2 to enable the elastic band 2 to move freely relative to the storage box 3.
Specifically, as shown in fig. 3, the locking mechanism includes a cam lock 5, the cam lock 5 includes a locking cam 51 and a handle 52, and the locking cam 51 is pivotally connected to the storage box 3 through a rotating shaft.
The retractable box 3 is provided with a retractable opening 31 with a rectangular longitudinal section, the elastic band 2 enters and exits the retractable box 3 through the retractable opening 31, and the elastic band 2 is arranged between the locking cam 51 and the side wall of the retractable opening 31.
The automatically telescopic eyeshade also comprises a protective pad 6, and the protective pad 6 is sleeved on the elastic band 2.
The working principle is as follows: when the length of the elastic band 2 is adjusted, as shown in fig. 2, the elastic band 2 is released by the locking mechanism to enable the elastic band 2 to freely move relative to the storage box 3, specifically, the handle 52 of the cam lock catch 5 is pulled to enable the locking cam 51 to rotate to a position where the distance between the locking cam 51 and the inner wall of the storage opening 31 is larger than the thickness of the elastic band 2, at this time, the elastic band 2 can freely move relative to the storage box 3, the elastic band 2 is pulled out from the storage box 3 by pulling until the length of the elastic band 2 meets the requirement of the head circumference, and the adjustment of the length of the elastic band 2 can be carried out in the wearing process.
After the elastic band 2 is adjusted to a proper length, as shown in fig. 3, the elastic band 2 is locked and fixed relative to the storage box 3 by using the locking mechanism, specifically, the handle 52 of the cam lock catch 5 is pulled to enable the locking cam 51 to rotate to a position where the distance between the locking cam 51 and the inner wall of the storage opening 31 is smaller than the thickness of the elastic band 2, and because the elastic band 2 has elasticity, the elastic band 2 is fixed between the locking cam 51 and the inner wall of the storage opening 31 by being extruded and deformed by the locking cam 51.
Claims (5)
1. The utility model provides a protection eye-shade can stretch out and draw back automatically, includes eye-shade body (1) and elastic band (2), its characterized in that: the eye patch is characterized by further comprising an elastic band winding and unwinding device arranged on the eye patch body (1), wherein one end of the elastic band (2) is fixedly connected with the eye patch body (1), and the other end of the elastic band is contained in the elastic band winding and unwinding device;
the elastic band winding and unwinding device comprises a winding and unwinding box (3), a coil spring (4) and a locking mechanism, wherein the coil spring (4) is arranged in the winding and unwinding box (3), one end of the coil spring (4) is fixedly connected with the winding and unwinding box (3), and the other end of the coil spring is fixedly connected with the end part of the elastic band (2);
the locking mechanism is used for locking and fixing the elastic band (2) relative to the storage box (3) and releasing the elastic band (2) to enable the elastic band (2) to move freely relative to the storage box (3).
2. The automatically retractable eye shield as recited in claim 1, wherein: the locking mechanism comprises a cam lock catch (5), the cam lock catch (5) comprises a locking cam (51) and a handle (52), and the locking cam (51) is pivoted on the folding and unfolding box (3);
the retractable box (3) is provided with a retractable opening (31) with a rectangular longitudinal section, the elastic belt (2) enters and exits the retractable box (3) through the retractable opening (31), and the elastic belt (2) is arranged between the locking cam (51) and the side wall of the retractable opening (31).
3. The automatically retractable eye shield as claimed in claim 1 or 2, wherein: the elastic band is characterized by further comprising a protective pad (6), wherein the protective pad (6) is sleeved on the elastic band (2).
4. The automatically retractable eye shield as claimed in claim 1 or 2, wherein: the eye patch is characterized by further comprising a sealing ring (7), wherein the sealing ring (7) is arranged on the eye patch body (1).
5. The automatically retractable eye shield as claimed in claim 1 or 2, wherein: the elastic band (2) is made of natural rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221916092.4U CN218684931U (en) | 2022-07-22 | 2022-07-22 | Automatically-telescopic protective eyeshade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221916092.4U CN218684931U (en) | 2022-07-22 | 2022-07-22 | Automatically-telescopic protective eyeshade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218684931U true CN218684931U (en) | 2023-03-24 |
Family
ID=85627348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221916092.4U Active CN218684931U (en) | 2022-07-22 | 2022-07-22 | Automatically-telescopic protective eyeshade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218684931U (en) |
-
2022
- 2022-07-22 CN CN202221916092.4U patent/CN218684931U/en active Active
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