CN221124914U - High-strength pressure-resistant Fresnel lens assembly - Google Patents

Abstract

The utility model discloses a high-strength pressure-resistant Fresnel lens assembly, which belongs to the technical field of Fresnel lenses and comprises a lens main body, wherein the outer end of the lens main body is detachably connected with a protective ring, a clamping assembly is arranged at the closed position of the protective ring, the protective ring comprises a pressure-resistant ring, a plurality of connecting shafts which are symmetrically distributed are rotationally connected in the pressure-resistant ring, and elastic sheets are fixedly connected at the inner ends of the connecting shafts.

Description

High-strength pressure-resistant Fresnel lens assembly

Technical Field

The utility model relates to the technical field of Fresnel lenses, in particular to a high-strength pressure-resistant Fresnel lens assembly.

Background

The Fresnel lens is manufactured by adopting different processing modes, can be used for a mobile phone camera, and can not better adapt to different requirements of a flash lamp and a color temperature sensor on light although the traditional Fresnel lens can reduce the occupied space of the mobile phone, and meanwhile, the flash lamp and the color temperature sensor which are better in space saving in the mobile phone can be arranged on different planes, so that the Fresnel lens with a special structure is not convenient enough.

Chinese patent grant bulletin number: CN202320797471.4 provides a fresnel lens with special structure, which has multiple angles to make the refraction of light more, the gathering effect better, the heights of fresnel teeth with different radius in the same lens are also different, and the gathering effect is better realized.

However, the lens is generally exposed at the outer end of the mobile phone shell, the lens is easy to collide with the outside, the Fresnel lens in the lens is easy to vibrate and squeeze, if the vibration and squeezing strength is high, the Fresnel lens is easy to break, the use of the Fresnel lens is affected, and the Fresnel lens with the special structure has no compression resistance function, and is not beneficial to the protection of the lens.

Accordingly, a high-strength pressure-resistant fresnel lens assembly is proposed in view of the above-described problems.

Disclosure of utility model

Therefore, the utility model provides a high-strength pressure-resistant Fresnel lens assembly, which solves the problem that the Fresnel lens is easy to damage due to external collision and vibration caused by no pressure-resistant and vibration-resistant function in the prior art, and the use of the Fresnel lens is affected to a certain extent.

In order to achieve the above object, the present utility model provides the following technical solutions:

The utility model provides a high strength pressure-resistant Fresnel lens subassembly, includes the lens main part, the outer end of lens main part can be dismantled and be connected with the protection ring, the joint subassembly is installed to the closure department of protection ring, the protection ring includes the anti-compression ring, the inside rotation of anti-compression ring is connected with a plurality of just being the connecting axle of symmetric distribution, the inner fixedly connected with elastic sheet of connecting axle.

Further, the lens main body comprises a Fresnel lens body, the outer end of the Fresnel lens body is fixedly connected with a convex ring, and the convex ring is matched with the protection ring.

Further, a clamping groove is formed in the inner end of the anti-compression ring, and the clamping groove is matched with the convex ring.

Further, the inside fixed mounting of joint groove has anti-skidding cushion, anti-skidding cushion and bulge loop looks adaptation.

Further, the draw-in groove has been seted up to the head end of anti clamping ring, the tail end fixedly connected with fixture block of anti clamping ring, fixture block and draw-in groove looks adaptation.

Further, a first screw hole is formed in the outer end of the anti-compression ring, and a second screw hole is formed in the outer end of the clamping block.

Further, the screw rod is connected to the internal thread of the first screw hole, and the screw rod penetrates through the first screw hole to be connected with the second screw hole in a threaded mode.

Further, the top end of the screw rod is fixedly connected with a rod cap, and the rod cap is matched with the first screw hole.

The utility model has the following advantages:

This scheme is through anti clamping ring protection fresnel lens body, increases the compressive capacity of fresnel lens body, and the prevention fresnel lens body receives external damage of colliding with, simultaneously, the connecting axle is connected elastic sheet and compressive ring for the elastic sheet is when receiving the vibration bending that collides with, can carry out the change of angle, and the elastic sheet of being convenient for buffers vibrations, thereby makes fresnel lens body can be protected, and the prevention fresnel lens body is impaired, prolongs fresnel lens body's life.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, proportional changes, or adjustments of size, which do not affect the efficacy of the utility model or the objects achieved, should fall within the scope of the utility model.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a three-dimensional cross-sectional structure provided by the utility model;

FIG. 3 is a schematic perspective view of a guard ring according to the present utility model;

FIG. 4 is a schematic cross-sectional view of a guard ring according to the present utility model;

FIG. 5 is a schematic side view of a guard ring according to the present utility model;

fig. 6 is an enlarged schematic view of the structure of fig. 4 a according to the present utility model.

In the figure:

1. A lens body; 2. a guard ring; 3. a clamping assembly; 101. a fresnel lens body; 102. a convex ring; 201. a compression ring; 202. a clamping groove; 203. an anti-slip rubber pad; 204. a connecting shaft; 205. an elastic sheet; 301. a clamping groove; 302. a clamping block; 303. a first screw hole; 304. a second screw hole; 305. a screw; 306. a pole cap.

Detailed Description

Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, a high-strength pressure-proof fresnel lens assembly comprises a lens body 1, wherein a protection ring 2 is detachably connected to the outer end of the lens body 1, a clamping assembly 3 is mounted at the closing position of the protection ring 2, the protection ring 2 comprises a pressure-proof ring 201, a plurality of connecting shafts 204 which are symmetrically distributed are rotatably connected to the inside of the pressure-proof ring 201, and elastic sheets 205 are fixedly connected to the inner ends of the connecting shafts 204.

This scheme is through anti clamping ring 201 protection lens main part 1, increases the compressive capacity of lens main part 1, and prevention lens main part 1 receives external damage of colliding with, simultaneously, connecting axle 204 is connected elastic piece 205 and anti clamping ring 201 for elastic piece 205 is when receiving the vibration bending that collides with, can carry out the change of angle, and the elastic piece 205 of being convenient for buffers vibrations, thereby makes lens main part 1 can be protected, and prevention lens main part 1 is impaired.

The lens body 1 comprises a Fresnel lens body 101, wherein a convex ring 102 is fixedly connected to the outer end of the Fresnel lens body 101, and the convex ring 102 is matched with the protection ring 2.

This scheme is through the fixed bulge loop 102 of the fresnel lens body 101, and when bulge loop 102 was connected with anti-compression ring 201, can prescribe a limit to the position of the fresnel lens body 101 to make anti-compression ring 201 can fix on the fresnel lens body 101, so that protect fresnel lens body 101.

The inner end of the anti-compression ring 201 is provided with a clamping groove 202, and the clamping groove 202 is matched with the convex ring 102.

The installation of convex ring 102 is convenient for through joint groove 202 in this scheme, is convenient for with fresnel lens body 101 card on compressive ring 201.

The inside of the clamping groove 202 is fixedly provided with an anti-skid rubber pad 203, and the anti-skid rubber pad 203 is matched with the convex ring 102.

The position of the convex ring 102 is limited through the anti-skid rubber pad 203, so that the convex ring 102 is prevented from rotating and displacing in the compression-resistant ring 201 to influence the use of the Fresnel lens body 101.

The clamping groove 301 is formed in the head end of the compression-resistant ring 201, the clamping block 302 is fixedly connected to the tail end of the compression-resistant ring 201, and the clamping block 302 is matched with the clamping groove 301.

According to the scheme, the anti-compression ring 201 is connected end to end through the matching of the clamping groove 301 and the clamping block 302, and the convex ring 102 can be clamped in the clamping groove 202, so that the Fresnel lens body 101 is fixed on the anti-compression ring 201.

The outer end of the anti-compression ring 201 is provided with a first screw hole 303, and the outer end of the clamping block 302 is provided with a second screw hole 304.

This scheme is convenient for follow-up user to connect the head and the tail of anti-compression ring 201 through first screw 303 and second screw 304.

The first screw hole 303 is internally and threadedly connected with a screw rod 305, and the screw rod 305 penetrates through the first screw hole 303 and is in threaded connection with the second screw hole 304.

This scheme runs through first screw 303 and is connected with the second screw 304 of fixture block 302 through screw 305 to fixture block 302 is connected with draw-in groove 301, thereby, the head and the tail of anti-compression ring 201 are connected.

The top of screw 305 is fixedly connected with pole cap 306, and pole cap 306 and first screw 303 looks adaptation.

The screw 305 is installed and detached by a user through the rod cap 306, and the fresnel lens body 101 and the anti-compression ring 201 are installed and detached by the user.

The application process of the embodiment of the utility model is as follows:

When the fresnel lens body 101 is used, the anti-compression ring 201 can be mounted on the fresnel lens body 101 in advance, the convex ring 102 is clamped in the clamping groove 202, the anti-slip rubber pad 203 limits the position of the convex ring 102, the convex ring 102 is prevented from rotating and displacing in the anti-compression ring 201 to influence the use of the fresnel lens body 101, then the clamping block 302 is clamped in the clamping groove 301, the screw 305 penetrates through the first screw hole 303 and the second screw hole 304 of the clamping block 302, and accordingly the clamping block 302 is connected with the clamping groove 301, the head and the tail of the anti-compression ring 201 are connected, the anti-compression ring 201 protects the lens body 1, the compression resistance of the lens body 1 is improved, the lens body 1 is prevented from being damaged by external collision, meanwhile, the connecting shaft 204 connects the elastic piece 205 with the anti-compression ring 201, when the elastic piece 205 is bent by the collision vibration, the elastic piece 205 can buffer the vibration, and the lens body 1 can be protected from being damaged.

While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims (8)

1. The utility model provides a high strength pressure-resistant Fresnel lens subassembly, includes lens main part (1), its characterized in that, outer end of lens main part (1) can be dismantled and is connected with protection ring (2), joint subassembly (3) are installed to the closure department of protection ring (2), protection ring (2) are including anti clamping ring (201), the inside rotation of anti clamping ring (201) is connected with a plurality of just be connecting axle (204) of symmetric distribution, the inner fixedly connected with elastic sheet (205) of connecting axle (204).

2. The high-strength pressure-resistant Fresnel lens assembly according to claim 1, wherein the lens main body (1) comprises a Fresnel lens body (101), a convex ring (102) is fixedly connected to the outer end of the Fresnel lens body (101), and the convex ring (102) is matched with the protective ring (2).

3. The high-strength pressure-resistant fresnel lens assembly of claim 2, characterized in that the inner end of the pressure-resistant ring (201) is provided with a clamping groove (202), and the clamping groove (202) is adapted to the convex ring (102).

4. A high strength pressure resistant fresnel lens assembly as claimed in claim 3, characterised in that the inside of the clamping groove (202) is fixedly fitted with a non-slip rubber mat (203), the non-slip rubber mat (203) being adapted to the collar (102).

5. A high-strength pressure-resistant fresnel lens assembly according to claim 3, characterized in that the head end of the pressure-resistant ring (201) is provided with a clamping groove (301), the tail end of the pressure-resistant ring (201) is fixedly connected with a clamping block (302), and the clamping block (302) is adapted to the clamping groove (301).

6. The high-strength pressure-resistant fresnel lens assembly of claim 5, characterized in that the outer end of the pressure-resistant ring (201) is provided with a first screw hole (303), and the outer end of the clamping block (302) is provided with a second screw hole (304).

7. The high-strength pressure-resistant fresnel lens assembly of claim 6, characterized in that the first screw hole (303) is internally screwed with a screw rod (305), and the screw rod (305) is screwed through the first screw hole (303) and the second screw hole (304).

8. The high-strength pressure-resistant fresnel lens assembly of claim 7, characterized in that the top end of the screw (305) is fixedly connected with a stem cap (306), and the stem cap (306) is adapted to the first screw hole (303).