CN215864889U

CN215864889U - Novel objective lens positioning and sealing structure

Info

Publication number: CN215864889U
Application number: CN202121730468.8U
Authority: CN
Inventors: 苗中华; 顾杨
Original assignee: Nantong Yuntian Optoelectronics Technology Co ltd
Current assignee: Nantong Yuntian Optoelectronics Technology Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-02-18
Anticipated expiration: 2031-07-28

Abstract

The utility model relates to the field of sighting telescope for guns and discloses a novel objective lens positioning and sealing structure which is convenient for mounting and dismounting an objective lens, is further beneficial to maintaining and replacing the objective lens and effectively solves the problems in the background technology. The object lens barrel comprises an object lens barrel with a left opening, wherein a circle of annular groove is embedded in the inner surface of the object lens barrel, the annular groove extends leftwards and rightwards to the left opening of the object lens barrel, object lenses are arranged in the annular groove in a sliding mode, a pushing assembly is arranged between the inner end portion of the annular groove and the object lens, and a pressing assembly matched with the object lens is screwed inwards from the left opening of the object lens barrel. The telescopic sighting telescope is simple to operate, convenient to use and suitable for various sighting telescopes.

Description

Novel objective lens positioning and sealing structure

Technical Field

The utility model relates to the field of sighting telescope for guns, in particular to a novel objective lens positioning and sealing structure.

Background

Existing firearms are typically fitted with a sighting telescope to assist the user in aiming the target. The front end of the existing sighting telescope is usually set as an objective lens, the structure of the sighting telescope comprises an objective lens barrel, an objective lens is embedded in the objective lens barrel, the objective lens is usually fixedly arranged in the objective lens barrel, and when the objective lens is worn or dirty, later-period maintenance and replacement are inconvenient.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a novel objective lens positioning and sealing structure which is convenient for mounting and dismounting an objective lens, is further beneficial to maintaining and replacing the objective lens and effectively solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel objective location and seal structure, includes left open-ended objective tube, its characterized in that: the inner surface of the objective lens barrel is embedded with a circle of annular groove which extends leftwards to the left opening of the objective lens barrel, an objective lens is arranged in the annular groove in a sliding mode, a pushing component is arranged between the inner end part of the annular groove and the objective lens, and a pressing component matched with the objective lens is screwed inwards from the left opening of the objective lens barrel. The object lens can slide left and right in the annular groove, is convenient to maintain and replace, the pushing assembly can play the roles of pushing, fixing and sealing the object lens at the inner side, and the pressing assembly can play the roles of pressing, fixing and sealing the object lens at the outer side, so that the object lens is integrally favorable for fixing and sealing the object lens.

Preferably, the pushing assembly comprises a spring arranged at the inner end part of the annular groove, and a first annular sealing gasket is arranged on the left side of the spring. The spring and the first annular sealing gasket can play roles of pushing, fixing and sealing the objective lens on the inner side.

Preferably, the left side surface of the first annular sealing gasket is of an arc-shaped structure matched with the right side surface of the objective lens. The sealing device is beneficial to the attachment with the object lens and improves the sealing effect.

Preferably, the compressing assembly comprises a sleeve, the left opening and the right opening of the sleeve are provided with external threads on the outer surface, the inner surface of the annular groove on the left side of the objective lens is provided with internal threads matched with the sleeve, and the inner end part of the sleeve is compressed on the left side surface of the objective lens through a second annular sealing gasket. The sleeve and the second annular sealing gasket can play a role in compressing and fixing the objective lens on the left side.

Preferably, the right side surface of the second annular sealing gasket is of an arc structure matched with the left side surface of the objective lens. The lens is beneficial to being attached to the objective lens, and the sealing effect is improved.

Preferably, an annular boss is fixedly arranged on the outer side of the left end part of the sleeve. The sleeve is limited.

Preferably, the left side surface of the annular boss is embedded with a screw hole. The bolt is screwed in the later stage, so that the sleeve is convenient to disassemble, and the object lens is convenient to maintain and replace.

Preferably, the number of the screw holes is two, and the screw holes are arranged in an up-and-down symmetrical mode. Two bolts can be screwed in the later stage, and the sleeve is conveniently detached.

Preferably, the peripheral surface of the annular boss is flush with the peripheral surface of the objective lens barrel. Is beneficial to the integral aesthetic property.

Preferably, a third annular sealing gasket is arranged between the annular boss and the left end face of the objective lens barrel. Further plays a role in sealing.

Compared with the prior art, the utility model provides a novel objective lens positioning and sealing structure, which has the following beneficial effects:

1. according to the utility model, the objective lens can slide left and right in the annular groove, so that the maintenance and replacement are convenient, the pushing assembly can play a role in pushing, fixing and sealing the objective lens at the inner side, and the pressing assembly can play a role in pressing, fixing and sealing the objective lens at the outer side, so that the objective lens is integrally fixed and sealed.

2. The utility model can play roles of pushing, fixing and sealing the objective lens at the inner side through the spring and the first annular sealing gasket, and can play roles of compressing, fixing and sealing the objective lens at the left side through the sleeve and the second annular sealing gasket.

3. According to the utility model, through the arrangement of the annular boss and the screw hole, the annular boss plays a limiting role, and the bolt is screwed in the screw hole in the later stage, so that the sleeve is convenient to disassemble, and the maintenance and the replacement of the object lens are facilitated.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

fig. 4 is a left side view of the sleeve.

The following are marked in the figure: 1. an objective lens barrel; 11. an annular groove; 2. an objective lens; 3. a pushing assembly; 31. a spring; 32. a first annular seal; 4. a compression assembly; 41. a sleeve; 42. a second annular seal; 43. an annular boss; 44. and a screw hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 4, a novel objective lens positioning and sealing structure comprises an objective lens barrel 1 with a left opening, wherein a circle of annular groove 11 is embedded in the inner surface of the objective lens barrel 1, the annular groove 11 extends to the left opening of the objective lens barrel 1 all the way to the left, an objective lens 2 is arranged in the annular groove 11 in a left-right sliding manner, a pushing assembly 3 is arranged between the inner end part of the annular groove 11 and the objective lens 2, and a compressing assembly 4 matched with the objective lens 2 is screwed inwards from the left opening of the objective lens barrel 1. Thing lens 2 can be at 11 horizontal slideings of annular groove, makes things convenient for the maintenance and the change in later stage, pushes away subassembly 3 and can play the fixed and sealing action of top to objective lens 2 in the inboard, compresses tightly subassembly 4 and can play to compress tightly fixed and sealing action to objective lens 2 in the outside to wholly do benefit to thing lens 2 fixed and sealed. The pushing assembly 3 comprises a spring 31 arranged at the inner end part of the annular groove 11, and a first annular sealing gasket 32 is arranged at the left side of the spring 31. The spring 31 and the first annular seal 32 can perform the pushing fixing and sealing function on the object lens 2 at the inner side. The left side surface of the first annular sealing gasket 32 is in an arc-shaped structure matched with the right side surface of the objective lens 2. The adhesion with the objective lens 2 is facilitated, and the sealing effect is improved. The compressing assembly 4 comprises a sleeve 41, the sleeve 41 is open at left and right, and the outer surface of the sleeve 41 is provided with an external thread (not shown), the inner surface of the annular groove 11 at the left side of the objective lens 2 is provided with an internal thread (not shown) matched with the sleeve 41, and the inner end of the sleeve 41 is compressed on the left side of the objective lens 2 through a second annular sealing gasket 42. The objective lens 2 can be pressed and fixed on the left side by the sleeve 41 and the second annular seal 42. The right side surface of the second annular sealing gasket 42 is in an arc structure matched with the left side surface of the objective lens 2. The lens is attached to the objective lens 2, and the sealing effect is improved.

In the above embodiment, specifically, an annular boss 43 is fixedly arranged outside the left end of the sleeve 41. And plays a role in limiting the sleeve 41. The left side surface of the annular boss 43 is embedded with a screw hole 44. And later, bolts are screwed in the screw holes 44, so that the sleeve 41 is convenient to disassemble, and the maintenance and the replacement of the objective lens 2 are further facilitated. The number of the screw holes 44 is two, and the screw holes are arranged in an up-and-down symmetrical manner. Two bolts can be screwed at the later stage, so that the sleeve 41 is convenient to disassemble.

In the above embodiment, specifically, the outer peripheral surface of the annular boss 43 is flush with the outer peripheral surface of the objective lens barrel 1. Is beneficial to the integral aesthetic property. A third annular sealing gasket (not shown in the figure) is arranged between the annular boss 43 and the left end face of the objective lens barrel 1. Further plays a role in sealing.

The working principle is as follows: can be at the annular groove 11 horizontal slip through thing lens 2, convenient maintenance and change, push away subassembly 3 can play the fixed and sealing action of top to objective lens 2 in the inboard, compress tightly subassembly 4 can play to compress tightly fixed and sealing action to objective lens 2 in the outside to wholly do benefit to thing lens 2 fixed and sealed. The spring 31 and the first annular sealing gasket 32 can perform pushing fixing and sealing functions on the object lens 2 at the inner side, and the sleeve 41 and the second annular sealing gasket 42 can perform pressing fixing and sealing functions on the left side of the object lens 2. Through the setting of annular boss 43 and screw 44, annular boss 43 plays limiting displacement, and the later stage is twisted the bolt in screw 44 soon, is convenient for to the dismantlement of sleeve 43, and then does benefit to the maintenance and the change to objective lens piece 2.

The components used in the present invention are all common standard components or components known to those skilled in the art, and the structure and principle thereof are well known to those skilled in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel objective location and seal structure, includes left open-ended objective tube, its characterized in that: the inner surface of the objective lens barrel is embedded with a circle of annular groove which extends leftwards to the left opening of the objective lens barrel, an objective lens is arranged in the annular groove in a sliding mode, a pushing component is arranged between the inner end part of the annular groove and the objective lens, and a pressing component matched with the objective lens is screwed inwards from the left opening of the objective lens barrel.

2. A novel objective lens positioning and sealing structure according to claim 1, wherein: the pushing assembly comprises a spring arranged at the inner end part of the annular groove, and a first annular sealing gasket is arranged on the left side of the spring.

3. A novel objective lens positioning and sealing structure according to claim 2, characterized in that: the left side surface of the first annular sealing gasket is of an arc-shaped structure matched with the right side surface of the objective lens.

4. A novel objective lens positioning and sealing structure according to claim 1, wherein: the compressing assembly comprises a sleeve, wherein the left opening and the right opening of the sleeve are provided with external threads on the outer surface of the sleeve, the inner surface of the annular groove on the left side of the objective lens is provided with internal threads matched with the sleeve, and the inner end part of the sleeve is compressed on the left side surface of the objective lens through a second annular sealing gasket.

5. A novel objective lens positioning and sealing structure according to claim 4, characterized in that: the right side surface of the second annular sealing gasket is of an arc structure matched with the left side surface of the objective lens.

6. A novel objective lens positioning and sealing structure according to claim 4, characterized in that: an annular boss is fixedly arranged on the outer side of the left end part of the sleeve.

7. A novel objective lens positioning and sealing structure according to claim 6, wherein: the left side surface of the annular boss is embedded with a screw hole.

8. A novel objective lens positioning and sealing structure according to claim 7, characterized in that: the number of screw holes is two, the vertical symmetry sets up.

9. A novel objective lens positioning and sealing structure according to claim 6, wherein: the peripheral surface of the annular boss is flush with the peripheral surface of the objective lens barrel.

10. A novel objective lens positioning and sealing structure according to claim 6, wherein: and a third annular sealing gasket is arranged between the annular boss and the left end face of the objective lens barrel.