CN217821080U

CN217821080U - Metal lens cap structure with multiple opening angles

Info

Publication number: CN217821080U
Application number: CN202222078888.3U
Authority: CN
Inventors: 邹应鸿; 邹时捷
Original assignee: Shenzhen Niufeining Technology Co ltd
Current assignee: Shenzhen Niufeining Technology Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-11-15
Anticipated expiration: 2032-08-09

Abstract

The utility model discloses a metal lens cap structure with multiple angle of opening relates to metal lens technical field. The utility model discloses a mirror cover seat, lens lid, clamping ring, cover plate, lid nail, fixed tooth, movable tooth, tooth cover, pressure spring, cross axle, jump ring, sealing washer. The utility model discloses a multi-structure's cooperation design for the device is compared with the product structure on the market, and this metal lens cap structure's that has three kinds of opening angles beneficial effect is: the appearance is small and exquisite pleasing to the eye and seems high-grade, and the quality is reliable and stable, and convenient operation is smooth-going, and the processing and the assembly debugging of product are all very simple, and the opening angle of three kinds of lens caps has changed the single opening angle of the plastic lens cap of the same type, and convenience of customers selects to use different opening angles, thereby the lens cap can shelter from partly miscellaneous light that gets into objective and dazzle light when opening 90 states especially and provide a better optical effect for the user.

Description

Metal lens cap structure with multiple opening angles

Technical Field

The utility model relates to a metal lens technical field specifically is a metal lens cap structure with multiple angle of opening.

Background

The objective glass or ocular glass of various optical instruments (professional cameras, microscopes, telescopes, sighting telescope and the like) is exposed on one side, dust and water are easily attached to the objective glass or ocular glass, the dust and the water are attached to the lens glass to affect the observation of a user, and the glass is corroded or mildewed to affect the optical performance of the optical instruments in serious cases. These specialized optical instruments are therefore typically equipped with lens covers to provide everyday dust and water protection for the objective or eyepiece. The objective lens and the ocular lens of the white light sighting telescope are generally protected by a lens cover in a dustproof and waterproof way.

At present, the lens cover mainly has two types, namely a detachable type and a fixed type. The detachable lens cover has three structures: one is to cover the lens on the screw thread of the inner hole at the front end of the lens; the other lens cover is clamped in an inner hole at the front end of the lens by an elastic bayonet; the other type is to sleeve a plastic lens cover on the excircle of the front end of the lens, the plastic lens cover is used on a white sighting telescope more frequently, and the plastic lens cover generally connects the objective lens cover and the eyepiece lens cover together by two elastic cords so as to ensure that the lens cover is tightly attached to the end surface of the lens for dust prevention and water prevention. The detachable lens cover is inconvenient to disassemble and assemble because of taking time, and the detachable lens cover needs to be stored in a certain place, so that the two defects are particularly obvious for the white sighting telescope used in the field.

The fixed lens cover has beautiful appearance, is more convenient to open and close than the detachable lens cover, and can be opened and closed by pulling the lens cover by hands. The fixed lens cover has two structures. One is to fix the rubber plastic lens cover base on the excircle of the front end of the lens by elasticity or glue, the plastic lens cover can rotate around the axis of the rubber plastic lens cover base to open or close, the dustproof and waterproof protection is realized by adopting an elastic bayonet structure between the plastic lens cover and the rubber plastic lens cover base, a torsional spring is arranged between the plastic lens cover and the rubber plastic lens cover base to control the lens cover to have a unique opening angle, the opening angle of the lens cover can be adjusted by adjusting the angle of the torsional spring, and the plastic lens cover is more used on a white light sighting telescope; the plastic lens cover can shake to a certain degree when shooting or vibrating because of the torsional spring, the plastic lens cover has larger volume due to the plastic, so that the appearance of the product is not attractive, and meanwhile, the whole product is not high-grade due to the plastic. The lens cover and the lens cover seat of another fixed lens cover structure are made of metal materials, the lens cover structure adopts a pressing ring to fasten the lens cover seat on a thread of an inner hole at the front end of a lens, the lens cover can rotate around a shaft of the lens cover seat to be opened or closed, and a sealing ring is arranged between the lens cover and the lens cover seat to realize dustproof and waterproof protection; the fixed lens cover structure has two structures of damping and torsional spring, damping plastics are installed between the lens cover and the lens cover base rotating shaft of the damping structure, the lens cover of the damping structure is very troublesome when products are assembled, whether the damping is appropriate needs to be tested repeatedly, and meanwhile, a clamping position is also installed on the damping structure to ensure that the lens cover can effectively compress a sealing ring installed on the lens cover base when the lens cover is closed; the torsional spring structure is the same as that of the plastic lens cover, the torsional spring structure is also provided with a clamping position to ensure that the lens cover can compress a sealing ring arranged on the lens cover seat when the lens cover is closed, and the lens cover can shake to a certain degree when shooting or vibrating.

Therefore, the present application provides a metal lens cover structure with multiple opening angles, and proposes another solution to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a metal lens cap structure with multiple opening angle to solve the problem mentioned in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a metal lens cover structure with multiple opening angles comprises a lens cover seat, a lens cover body, a pressing ring, a cover plate, a cover nail, a fixed tooth, a movable tooth, a tooth sleeve, a pressure spring, a transverse shaft, a clamp spring and a sealing ring;

the lens cover comprises a lens body, a lens cover seat, a clamping ring, a movable tooth, a transverse shaft and a clamping spring, wherein the lens cover seat is connected with the front end of the lens body through the clamping ring, a cover nail is fixed at one end of the lens cover seat, the other end of the cover nail extends into the lens cover body, the fixed tooth is arranged inside the other end of the lens cover seat, a tooth sleeve is arranged at one end, close to the fixed tooth, of the inside of the tooth sleeve in a sliding mode, the movable tooth is arranged at one end, close to the fixed tooth, of the fixed tooth and the movable tooth, the end face tooth is arranged at one end, close to the movable tooth, of the fixed tooth, the fixed tooth and the movable tooth are connected in a meshing mode, the transverse shaft is arranged inside the fixed tooth, one end, located in the movable tooth, far away from the fixed tooth, of the movable tooth penetrates through the movable tooth and the tooth and is fixedly connected with the tooth through the clamping spring, and the pressure spring is sleeved on the outer side of the transverse shaft; and a cover plate is fixed at the other end of the mirror cover seat.

Preferably, the pressing ring is connected with the lens body through threads.

Preferably, the end face of the pressing ring is provided with a wrench groove.

Preferably, an outer groove is formed in the outer side of the end face of the pressing ring, and a sealing ring is fixed in the outer groove.

Preferably, a square sliding groove is formed in the gear sleeve, and the movable gear is connected with the gear sleeve in a sliding mode through the square sliding groove formed in the gear sleeve.

Preferably, a square groove is formed in the lens cover body, and the gear sleeve is located in the square groove.

Preferably, a square groove is formed in the mirror cover seat, and the fixing teeth are located in the square groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a multi-structure's cooperation design for the device is compared with the product structure on the market, and this metal lens cap structure's that has three kinds of opening angles beneficial effect is: the appearance is small and exquisite beautifully to seem high-grade, and the steady quality is reliable, and convenient operation is smooth-going, and the processing and the assembly debugging of product are all very simple, and the opening angle of three kinds of lens caps has changed the single opening angle of the type of plastics lens cap of the same kind, and the person of facilitating the use selects to use different opening angles, thereby especially when opening 90 states the lens cap can shelter from partly entering objective miscellaneous light and dazzle light and provide a better optical effect for the user.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is an enlarged view of the connection structure of fig. 1 according to the present invention;

FIG. 3 is a schematic structural view of the closed state of the present invention;

fig. 4 is an enlarged view of the connection structure of fig. 3 according to the present invention;

fig. 5 is a schematic structural view of the utility model in an opened 90 ° state;

fig. 6 is a schematic structural view of the utility model in an open 180 ° state;

fig. 7 is a schematic structural view of the utility model in an opened 270 ° state.

In the figure: 1. a mirror cover base; 2. a lens cap body; 3. pressing a ring; 4. a cover sheet; 5. covering nails; 6. fixing teeth; 7. a movable gear; 8. a gear sleeve; 9. a pressure spring; 10. a horizontal axis; 11. a clamp spring; 12. a seal ring; 13. a wrench groove; 14. a lens body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-7, a metal lens cover structure with multiple opening angles includes a lens cover base 1, a lens cover body 2, a pressing ring 3, a cover plate 4, a cover nail 5, a fixed tooth 6, a movable tooth 7, a tooth sleeve 8, a pressure spring 9, a transverse shaft 10, a snap spring 11, and a sealing ring 12;

the lens cover seat 1 is connected with the front end of the lens body 14 through the pressing ring 3, the pressing ring 3 is connected with the lens body 14 through threads, the end face of the pressing ring 3 is provided with a wrench groove 13, the lens cover seat 1 can be tightly pressed on the lens body 14 through the wrench groove 13, and the opening position of the lens cover body 2 can be ensured to be fixed at the position required by a user; an outer groove is formed in the outer side of the end face of the pressing ring 3, a sealing ring 12 is fixed in the outer groove, and sealing between the closed lens cover body 2 and the lens cover base 1 can be guaranteed through the sealing ring 12, so that the dustproof and waterproof purposes are achieved.

A cover nail 5 is fixed at one end of the lens cover seat 1, the other end of the cover nail 5 extends into the lens cover body 2, and the lens cover body 2 can be ensured to rotate around the shaft of the cover nail 5 through the cover nail 5 to be opened or closed; the lens cover comprises a lens cover seat 1, a fixed tooth 6, a gear sleeve 8, a movable tooth 7, end face teeth, a transverse shaft 10, a clamping spring 11, a compression spring 9 and a compression spring 9, wherein the fixed tooth 6 is arranged inside the other end of the lens cover seat 1, the gear sleeve 8 is arranged at one end, close to the fixed tooth 6, inside the gear sleeve 8, the movable tooth 7 is connected with the fixed tooth 6 in a sliding mode, the end face teeth are arranged at one end, close to the fixed tooth 6, inside the gear sleeve 8, the end face teeth are arranged at one end, close to the movable tooth 7, of the fixed tooth 6, the fixed tooth 6 and the movable tooth 7 are connected through the end face teeth in a meshing mode, the transverse shaft 10 is arranged inside the fixed tooth 6, one end of the transverse shaft 10 penetrates through the movable tooth 7 and the gear sleeve 8 and is fixedly connected with the gear sleeve 8 through the clamping spring 11, the compression spring 9 is arranged at one end, far away from the fixed tooth 6, inside the movable tooth 7, and the compression spring 9 is sleeved outside the transverse shaft 10; the other end of the lens cover seat 1 is fixed with a cover plate 4.

Specifically, a square groove is formed in the lens cover 2, and the gear sleeve 8 is positioned in the square groove, so that the gear sleeve 8 and the lens cover 2 cannot rotate; a square sliding groove is formed in the gear sleeve 8, and the movable gear 7 is in sliding connection with the gear sleeve 8 through the square sliding groove formed in the gear sleeve 8, so that the movable gear 7 can only axially slide in the gear sleeve 8 and cannot rotate; a square groove is formed in the mirror cover base 1, and the fixing teeth 6 are located in the square groove, so that the fixing teeth 6 and the mirror cover base 1 cannot rotate.

When the device is installed, the fixed teeth 6, the movable teeth 7, the tooth sleeve 8, the pressure spring 9, the transverse shaft 10 and the snap spring 11 are assembled outside and then are integrally installed at the joint of the lens cover seat 1 and the lens cover body 2.

The core of the application is that end face teeth are adopted for indexing, and the fixed teeth 6 and the movable teeth 7 are meshed through four equally divided end face teeth, so that the lens cover body 2 is in a closed state, an opened 90-degree state, an opened 180-degree state and an opened 270-degree state; wherein the opening angle of the lens cover 2 can be changed by changing the angle of the face teeth. Another core of this application is through square cooperation guarantee can not take place to rotate between each relevant part, the square cooperation between fixed tooth 6 and the mirror lid seat 1, the square cooperation between movable tooth 7 and the tooth cover 8 and the square cooperation between mirror head lid body 2 and the tooth cover 8. The elasticity of the pressure spring 9 can ensure the complete meshing and rotation of the end face teeth, and ensure that the lens cover body 2 does not shake during impact vibration.

When the lens cover 2 is adjusted in use, the lens cover 2 can be in a closed state, an opened 90 ° state, an opened 180 ° state, and an opened 270 ° state by pulling a flange formed on the lens cover 2. When the lens cover body 2 is pulled, the gear sleeve 8 is driven to rotate. When the lens cover body 2 is pulled, the gear sleeve 8 is driven to rotate, the movable gear 7 is driven to rotate on the fixed gear 6 by the rotation of the gear sleeve 8, and meanwhile, the pressure spring 9 retreats; after the lens cover body 2 is pulled to reach each positioning angle, the movable teeth 7 are pushed to be in contact with the fixed teeth 6 under the action of the pressure spring 9, clear positioning sounds are emitted to remind an operator, and the movable teeth 7 are pressed in the tooth shapes of the fixed teeth 6 by the pressure spring 9; particularly, when the lens cover is closed, the lens cover body 2 can strike the sealing ring 12 and the lens cover seat 1 to generate a loud noise to remind an operator, and meanwhile, the lens cover body 2 can tightly press the sealing ring 12 arranged in the pressing ring 3, so that the aims of dust prevention and water prevention are fulfilled.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A metal lens lid structure with multiple opening angle which characterized in that: comprises a lens cover seat (1), a lens cover body (2), a pressing ring (3), a cover plate (4), a cover nail (5), a fixed tooth (6), a movable tooth (7), a tooth sleeve (8), a pressure spring (9), a transverse shaft (10), a clamp spring (11) and a sealing ring (12);

the lens cover comprises a lens cover seat (1), a lens body (14), a cover nail (5) and a pressure ring (3), wherein the other end of the cover nail (5) extends into a lens cover body (2), a fixed tooth (6) is arranged inside the other end of the lens cover seat (1), a gear sleeve (8) is arranged at one end, close to the fixed tooth (6), of the lens cover body (2), a movable tooth (7) is connected inside the gear sleeve (8) in a sliding mode, one end, close to the fixed tooth (6), of the fixed tooth (6) and one end, close to the movable tooth (7) in a sliding mode, of the movable tooth (7) are provided with end face teeth, the fixed tooth (6) and the movable tooth (7) are connected in a meshing mode through the end face teeth, a transverse shaft (10) is arranged inside the fixed tooth (8), one end of the transverse shaft (10) penetrates through the movable tooth (7) and the gear sleeve (8) and is fixedly connected with the gear sleeve (8) through a clamp spring (11), one end, far away from a pressure spring (9) of the movable tooth (7) is arranged outside the transverse shaft (9), and the pressure spring (10) is sleeved outside the fixed tooth (9); the other end of the mirror cover seat (1) is fixed with a cover plate (4).

2. The structure of a metal lens cover with multiple opening angles of claim 1, wherein: the pressing ring (3) is connected with the lens body (14) through threads.

3. The structure of a metal lens cover with multiple opening angles of claim 1, wherein: the end face of the pressing ring (3) is provided with a wrench groove (13).

4. The metal lens cover structure with multiple opening angles according to claim 1, wherein: an outer groove is formed in the outer side of the end face of the pressing ring (3), and a sealing ring (12) is fixed in the outer groove.

5. The structure of a metal lens cover with multiple opening angles of claim 1, wherein: the gear sleeve (8) is internally provided with a square sliding chute, and the movable gear (7) is connected with the gear sleeve (8) in a sliding manner through the square sliding chute arranged on the gear sleeve (8).

6. The structure of a metal lens cover with multiple opening angles of claim 1, wherein: a square groove is formed in the lens cover body (2), and the gear sleeve (8) is located in the square groove.

7. The structure of a metal lens cover with multiple opening angles of claim 1, wherein: the novel glasses cover is characterized in that a square groove is formed in the glasses cover seat (1), and the fixing teeth (6) are located in the square groove.