Anti-loosening eyepiece sleeve

Abstract

The utility model relates to an anti-loosening eyepiece sleeve, which belongs to the technical field of eyepiece sleeves and comprises an eyepiece connecting sleeve, and a connecting ring is arranged on the left side of the eyepiece connecting sleeve. According to the anti-loosening eyepiece sleeve, the connecting ring can be in threaded connection with equipment to fix the eyepiece connecting sleeve, the eyepiece sleeve body and the threaded ring can be driven to rotate in the eyepiece connecting sleeve by twisting the adjusting ring, and the threaded ring in threaded connection with the interior of the eyepiece connecting sleeve moves left and right in the eyepiece connecting sleeve. Then the eyepiece tube body can be driven to move left and right in the eyepiece connecting tube, so that imaging is clear, and when imaging is clear, a rotating handle can be rotated to drive a semicircular rubber block to move downwards and abut against the upper surface of a fixed tube, so that the eyepiece tube body is limited and fixed in the eyepiece connecting tube; therefore, unclear images caused by loosening of the eyepiece sleeve can be prevented, the structure is simple, and the complexity of production and processing can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to eyepiece barrel technical field, concretely is a kind of anti-loose eyepiece barrel. BACKGROUND

[0002] The main function of eyepiece barrel is to magnify object image, so that the observer can see the tiny object more clearly, eyepiece barrel is provided with eyepiece, and the outside of eyepiece barrel is provided with adjusting wheel, the position of objective lens barrel in eyepiece connecting barrel is adjusted by screwing adjusting wheel, so that imaging is clear, and eyepiece barrel is generally connected with eyepiece connecting barrel in screw thread, and loose condition is prone to occur.

[0003] For example, China patent CN217484576U discloses a kind of anti-loose short-focus wide-angle eyepiece barrel, including eyepiece connecting barrel, adjustable eyepiece barrel is arranged in eyepiece connecting barrel, eyepiece barrel is installed with eyepiece group;The outside of eyepiece connecting barrel is provided with adjusting outer ring, and the inside of adjusting outer ring is provided with thickened inner wall, and thickened inner wall is connected with the outside of eyepiece barrel by screw thread;Guiding screw is installed on the sidewall of eyepiece connecting barrel, and a circle of limiting slot is processed on the outside of eyepiece barrel, a circle of fixed groove is processed on the inside of adjusting outer ring, and guiding screw both ends respectively extend into limiting slot and fixed groove;Spring is arranged in limiting slot.Compared with prior art, the utility model of a kind of anti-loose short-focus wide-angle eyepiece barrel is arranged between eyepiece barrel and adjusting outer ring spring, and the screw thread between eyepiece barrel and adjusting outer ring is tightly engaged by the pre-tightening force of spring, which can effectively prevent loosening.

[0004] The above-mentioned patent makes the screw thread between eyepiece barrel and adjusting outer ring tightly engaged by the pre-tightening force of spring, which can effectively prevent loosening, but the patent is provided with multiple springs, and the internal structure is relatively complex, which will increase the complexity of production and processing, and thus reduce the practicability. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides an anti-loose eyepiece barrel, which has the advantages of simple structure, reduced complexity of production and processing, etc., and solves the problem of multiple springs, complex internal structure, increased complexity of production and processing, and reduced practicability.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A kind of anti-loose eyepiece barrel, including eyepiece connecting cylinder, the left side of the eyepiece connecting cylinder is provided with connecting ring, the outside of the connecting ring is provided with first rubber sealing ring, the inside of the eyepiece connecting cylinder is threadedly connected with screw ring, the right side of the screw ring is provided with eyepiece barrel body, the inside of the eyepiece barrel body is provided with not less than two eyepiece lens, the outside of the eyepiece barrel body is provided with adjusting ring, the outside of the eyepiece barrel body is equipped with fixed mechanism, the inside of the right side of the eyepiece barrel body is provided with positioning ring, the inside of the right side of the eyepiece barrel body is fixed with light shield through bolt, the right side of the positioning ring is provided with second rubber sealing ring, the right side of the second rubber sealing ring is in conformance with the left side of light shield;

[0007] The fixed mechanism includes a fixed cylinder disposed on the outside of the eyepiece barrel body, a fixing hole is formed through the upper surface of the eyepiece connecting cylinder, a fixed plate is disposed inside the fixing hole, a threaded rod is threadedly connected to the upper surface of the fixed plate, a rotating handle is disposed at the top end of the threaded rod, a semicircular rubber block is disposed at the bottom end of the threaded rod, and the lower surface of the semicircular rubber block abuts against the upper surface of the fixed cylinder.

[0008] Further, the gap between the fixed cylinder and the eyepiece connecting cylinder is adapted.

[0009] Further, the right side of the first rubber sealing ring is in conformance with the left side of the eyepiece connecting cylinder.

[0010] Further, the outside of the rotating handle is provided with a non-slip layer, which is a rubber layer.

[0011] Further, the threaded rod is located on the longitudinal central axis of the fixed plate.

[0012] Further, the right side of the fixed cylinder is in conformance with the left side of the adjusting ring, and the gap between the adjusting ring and the eyepiece barrel body is matched.

[0013] Further, the not less than two eyepiece lenses are evenly distributed inside the eyepiece barrel body.

[0014] Compared with the prior art, the technical scheme of the present application has the following advantages:

[0015] The anti-loose eyepiece barrel, the outer side of the connecting ring is provided with threads, the connecting ring can be threadedly connected on the equipment to fix the eyepiece connecting barrel, the eyepiece barrel body and the threaded ring can be driven to rotate in the eyepiece connecting barrel by twisting the adjusting ring, the threaded ring threadedly connected in the eyepiece connecting barrel moves left and right in the eyepiece connecting barrel, and then the eyepiece barrel body can be driven to move left and right in the eyepiece connecting barrel, clear imaging is achieved, when clear imaging is achieved, the rotating handle can be rotated to drive the semicircular rubber block to move downward and abut against the upper surface of the fixed barrel, the eyepiece barrel body is positioned and fixed in the eyepiece connecting barrel, and the eyepiece barrel body is prevented from loosening to cause unclear imaging, the structure is simple, the operation is simple, and the production and processing complexity can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a fixed mechanism schematic view of the utility model;

[0018] Figure 3 It is a fixed barrel and eyepiece barrel body connecting structure schematic view of the utility model.

[0019] In the drawing: 1, eyepiece connecting barrel; 2, connecting ring; 3, first rubber sealing ring; 4, threaded ring; 5, eyepiece barrel body; 6, eyepiece lens; 7, adjusting ring; 8, fixed mechanism; 801, fixed barrel; 802, fixed port; 803, fixed plate; 804, threaded rod; 805, rotating handle; 806, semicircular rubber block; 9, positioning ring; 10, light shield; 11, second rubber sealing ring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figure 1The anti-loose eyepiece barrel in the embodiment comprises an eyepiece connecting barrel 1, a connecting ring 2 arranged on the left side of the eyepiece connecting barrel 1, a first rubber sealing ring 3 arranged on the outer side of the connecting ring 2, a threaded ring 4 threadedly connected to the inside of the eyepiece connecting barrel 1, an eyepiece barrel body 5 arranged on the right side of the threaded ring 4, a plurality of eyepiece lenses 6 arranged in the inside of the eyepiece barrel body 5, an adjusting ring 7 arranged on the outer side of the eyepiece barrel body 5, a fixing mechanism 8 arranged on the outer side of the eyepiece barrel body 5, a positioning ring 9 arranged in the inside of the right side of the eyepiece barrel body 5, a light shield 10 fixed to the inside of the right side of the eyepiece barrel body 5 through bolts, a second rubber sealing ring 11 arranged on the right side of the positioning ring 9, and the left side of the light shield 10 is attached to the right side of the second rubber sealing ring 11.

[0022] In the embodiment, the right side of the first rubber sealing ring 3 is attached to the left side of the eyepiece connecting barrel 1, the plurality of eyepiece lenses 6 are evenly distributed in the inside of the eyepiece barrel body 5, the outer side of the threaded ring 4 is provided with threads, a threaded groove is formed on the inner circumferential wall of the eyepiece connecting barrel 1, and the threaded ring 4 is threadedly connected to the inside of the eyepiece connecting barrel 1.

[0023] It should be noted that the outer side of the connecting ring 2 is provided with threads, the connecting ring 2 can be threadedly connected to the equipment to fix the eyepiece connecting barrel 1, the adjusting ring 7 can drive the eyepiece barrel body 5 and the threaded ring 4 to rotate in the inside of the eyepiece connecting barrel 1, the threaded ring 4 threadedly connected to the inside of the eyepiece connecting barrel 1 can move left and right in the inside of the eyepiece connecting barrel 1, and then the eyepiece barrel body 5 can be driven to move left and right in the inside of the eyepiece connecting barrel 1, so that the imaging is clear.

[0024] Please refer to Figures 2 to 3 In order to reduce the complexity of production and processing, the fixing mechanism 8 in the embodiment comprises a fixing barrel 801 arranged on the outer side of the eyepiece barrel body 5, a fixing hole 802 formed through the upper surface of the eyepiece connecting barrel 1, a fixing plate 803 arranged in the inside of the fixing hole 802, a threaded rod 804 threadedly connected to the upper surface of the fixing plate 803, a rotating handle 805 arranged at the top end of the threaded rod 804, a semicircular rubber block 806 arranged at the bottom end of the threaded rod 804, and the lower surface of the semicircular rubber block 806 abuts against the upper surface of the fixing barrel 801.

[0025] In the embodiment, the gap between the fixing barrel 801 and the eyepiece connecting barrel 1 is matched, the outer side of the rotating handle 805 is provided with an anti-skid layer, the anti-skid layer is a rubber layer, the threaded rod 804 is located on the longitudinal central axis of the fixing plate 803, the right side of the fixing barrel 801 is attached to the left side of the adjusting ring 7, and the gap between the adjusting ring 7 and the eyepiece barrel body 5 is matched.

[0026] Need to explain, when the image is clear, can rotate the rotating handle 805, drive the threaded rod 804 to rotate and move down in the inside of the fixed plate 803, drive the semicircular rubber block 806 to move down and abut against the upper surface of the fixed cylinder 801, make the ocular lens cylinder body 5 be fixed in the inside of the ocular lens connecting cylinder 1, and then can prevent the ocular lens cylinder from loosening to cause the image to be unclear, the structure is simple, and the production and processing complexity can be reduced.

[0027] The working principle of the above embodiment is:

[0028] The outer side of the connecting ring 2 is threaded, the connecting ring 2 can be threadedly connected on the equipment to fix the ocular lens connecting cylinder 1, the ocular lens cylinder body 5 and the threaded ring 4 can be driven to rotate in the inside of the ocular lens connecting cylinder 1 by twisting the adjusting ring 7, the threaded ring 4 threadedly connected in the inside of the ocular lens connecting cylinder 1 moves left and right in the inside of the ocular lens connecting cylinder 1, and then the ocular lens cylinder body 5 can be driven to move left and right in the inside of the ocular lens connecting cylinder 1, so that the image is clear, when the image is clear, the rotating handle 805 can be rotated, the threaded rod 804 is driven to rotate and move down in the inside of the fixed plate 803, the semicircular rubber block 806 is driven to move down and abut against the upper surface of the fixed cylinder 801, the ocular lens cylinder body 5 is fixed in the inside of the ocular lens connecting cylinder 1, and then the ocular lens cylinder can be prevented from loosening to cause the image to be unclear, the structure is simple, and the production and processing complexity can be reduced.

[0029] It should be noted that in this document, relational terms such as first and second and the like can 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. Moreover, 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises... a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0030] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application.

Claims

1. An anti-loosening eyepiece barrel, comprising an eyepiece connecting barrel (1), characterized in that: The eyepiece connecting tube (1) is provided with a connecting ring (2) on the left side, and a first rubber sealing ring (3) is provided on the outer side of the connecting ring (2). The inner thread of the eyepiece connecting tube (1) is connected to a threaded ring (4). The right side of the threaded ring (4) is provided with an eyepiece barrel body (5). The inside of the eyepiece barrel body (5) is provided with at least two eyepiece lenses (6). The outside of the eyepiece barrel body (5) is provided with an adjusting ring (7). The outside of the eyepiece barrel body (5) is provided with a fixing mechanism (8). The right side of the eyepiece barrel body (5) is provided with a positioning ring (9). The right side of the eyepiece barrel body (5) is fixed with a light shield (10) by bolts. The right side of the positioning ring (9) is provided with a second rubber sealing ring (11). The right side of the second rubber sealing ring (11) is in contact with the left side of the light shield (10). The fixing mechanism (8) comprises a fixing tube (801) arranged outside the eyepiece tube body (5); a fixing opening (802) is provided through the upper surface of the eyepiece connecting tube (1); a fixing plate (803) is provided inside the fixing opening (802); a threaded rod (804) is threadedly connected to the upper surface of the fixing plate (803); a rotating handle (805) is provided at the top end of the threaded rod (804); a semicircular rubber block (806) is provided at the bottom end of the threaded rod (804); the lower surface of the semicircular rubber block (806) is in contact with the upper surface of the fixing tube (801).

2. The anti-loosening eyepiece barrel according to claim 1, characterized in that: The gap between the fixing tube (801) and the eyepiece connecting tube (1) is adapted.

3. The anti-loosening eyepiece barrel according to claim 1, characterized in that: The right side of the first rubber sealing ring (3) is in contact with the left side of the eyepiece connecting tube (1).

4. The anti-loosening eyepiece barrel according to claim 1, characterized in that: The outer side of the rotating handle (805) is provided with an anti-slip layer, and the anti-slip layer is a rubber layer.

5. The anti-loosening eyepiece barrel according to claim 1, characterized in that: The threaded rod (804) is located on the longitudinal center axis of the fixing plate (803).

6. The anti-loosening eyepiece barrel according to claim 1, characterized in that: The right side of the fixed tube (801) is fitted with the left side of the adjustment ring (7), and the gap between the adjustment ring (7) and the eyepiece tube body (5) is matched.

7. The anti-loosening eyepiece barrel according to claim 1, characterized in that: The eyepiece lenses (6), numbering not less than two, are evenly distributed inside the eyepiece barrel body (5).

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