Zooming device of sighting telescope

Abstract

The utility model discloses a sighting telescope zoom device which comprises a sighting telescope body, a zoom ring and an outer shell are arranged on the sighting telescope body, a protruding block is arranged on the zoom ring, a first gear is rotationally connected into the protruding block, a groove is formed in the first gear, a second gear is connected into the first gear in a meshed mode, and the second gear is connected with the outer shell in a meshed mode. The second gear is provided with a transmission device, the transmission device comprises a first bevel gear, a second bevel gear and a driven wheel, the driven wheel is provided with an adjusting device, the adjusting device comprises a first driving wheel, a second driving wheel, a clamping groove and a clamping block, and the size of the first driving wheel is smaller than that of the second driving wheel. By means of the device, through cooperation of the first gear, the second gear, the driven wheel, the first driving wheel and the second driving wheel, the efficient and stable zooming function of the sighting telescope is achieved, the first driving wheel and the second driving wheel adjust the rotating speed of the driven wheel, and the adjusting speed and precision are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sights, in particular to a sight magnification changing device. Background Art

[0002] Existing sight technologies mostly use a single mechanical structure for magnification change, but this method is difficult to maintain efficient and stable performance in different usage environments. For example, a Chinese patent discloses "a sight magnification change device" with an application number of "CN202322260942.0". It uses a combination of a sliding block, a closed-loop traction rope, a pulley, and a rubber ring to speed up the magnification change process of the magnification ring, effectively improving work efficiency, allowing shooters to quickly search for targets, lock targets, and fire at any time. However, its traction rope is easily affected by environmental factors, and may age, break, and loosen after long-term use, thereby affecting the normal use and life of the sight. Utility Model Content

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a zoom device for a sight. Through the cooperation of a first driving wheel, a second driving wheel, a driven wheel, a second bevel gear, a first bevel gear, a second gear, and a first gear, after a series of transmissions, force is finally transmitted to the zoom ring of the first gear, thereby realizing an efficient and stable zoom function of the sight, and the operation is simple and the adaptability is enhanced, so that the use of the sight is more convenient. Through the cooperation of a card slot, a card block, a first driving wheel, and a second driving wheel, when the second driving wheel needs to be used, it is stuck in the card slot, and the large gear is used to quickly adjust the magnification of the sight to meet the observation and aiming requirements of targets at different distances. When the first driving wheel is needed, the first driving wheel is rotated to reduce the rotation amplitude, so as to perform fine adjustment, thereby obtaining a more accurate aiming effect.

[0004] The utility model also provides a zoom device of the above-mentioned scope, comprising: a scope body, a zoom ring and a shell are arranged on the scope body, a convex block is arranged on the zoom ring, a first gear is rotatably connected inside the convex block, a groove is arranged on the first gear, and the groove is fitted with the convex block; a second gear is meshedly connected inside the first gear, a first bevel gear is coaxially rotatably connected on the second gear, a second bevel gear is meshedly connected inside the first bevel gear, a driven wheel is coaxially rotatably connected on the second bevel gear, a first driving wheel is meshedly connected inside the second bevel gear, a first driving wheel is meshedly connected inside the second bevel gear, a first driving wheel is meshedly connected inside the second driving wheel, a card slot and a card block are arranged on the first driving wheel and the second driving wheel, and the size of the first driving wheel is smaller than that of the second driving wheel. Through the above device, through the cooperation of the first gear, the second gear, the driven wheel, the first driving wheel, and the second driving wheel, the efficient and stable zoom function of the scope is realized, and the first driving wheel and the second driving wheel adjust the rotation speed of the driven wheel to improve the speed and accuracy of the adjustment.

[0005] According to the scope zoom device of the utility model, a base is provided at the bottom of the scope body, and the base is detachably connected to the scope body by bolts. Through the above device, the scope body can be conveniently supported by the base.

[0006] According to the zoom device of the scope described in the utility model, the first gear is located inside the housing, and the first gear drives the zoom ring to rotate by rotating itself. Through the above device, the zoom ring can be easily driven to rotate through the first gear.

[0007] According to the scope magnification device of the utility model, the scope body is fixedly connected to a gear box, and the second gear, the first bevel gear, the second bevel gear, the driven wheel, the first driving wheel and the second driving wheel are all located inside the gear box. Through the above device, the gear box is used to conveniently protect the internal gears.

[0008] According to the scope magnification changing device of the utility model, the side wall of the gear box is fixedly connected with a first transmission rod, the second gear and the first bevel gear are located on the first transmission rod, and the second gear is located on the left side of the first bevel gear. Through the above device, the second gear and the first bevel gear can be driven to rotate coaxially through the first transmission rod.

[0009] According to the scope magnification device of the utility model, the side wall of the gear box is fixedly connected with three second transmission rods, and the three second transmission rods are located at the same height. Through the above device, the position of the second transmission rod can facilitate the movement of the clamping rod.

[0010] According to the scope magnification device of the utility model, the second bevel gear and the driven wheel are located on the second transmission rod on the right side, the first driving wheel is located on the second transmission rod in the middle, and the second driving wheel is located on the second transmission rod on the left side. Through the above device, the rotational force is effectively transmitted through the position relationship.

[0011] According to the scope magnification changing device of the utility model, a clamping rod is detachably connected to the inside of the clamping slot, and a knob is arranged on the clamping rod. Through the above device, the first driving wheel and the second driving wheel can be conveniently driven to rotate through the clamping rod.

[0012] Beneficial Effects

[0013] 1. Compared with the prior art, the zoom device for the sight, through the cooperation of the first driving wheel, the second driving wheel, the driven wheel, the second bevel gear, the first bevel gear, the second gear, and the first gear, after a series of transmissions, finally transmits the force to the zoom ring of the first gear, thereby realizing the efficient and stable zoom function of the sight, being easy to operate, enhancing adaptability, and making the use of the sight more convenient.

[0014] 2. Compared with the prior art, the zoom device for the sight, through the cooperation of the card slot, the card block, the first driving wheel and the second driving wheel, when the second driving wheel needs to be used, it is stuck in the card slot, and the large gear is used to quickly adjust the magnification of the sight to meet the observation and aiming needs of targets at different distances. When the first driving wheel is needed, the first driving wheel is rotated to reduce the rotation amplitude, thereby performing fine adjustments to obtain a more accurate aiming effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is a front view of the zoom device of the scope of the utility model;

[0017] Figure 2 The utility model is a sighting scope magnification device Figure 1 Transverse section view;

[0018] Figure 3 The utility model is a sighting scope magnification device Figure 1 vertical section view;

[0019] Figure 4 The utility model is a sighting scope magnification device Figure 2 Enlarged view of point A in the middle;

[0020] Figure 5 The utility model is a sighting scope magnification device Figure 3 Enlarged view of point B in the middle.

[0021] Legend:

[0022] 1. Base; 2. Sight body; 3. Casing; 4. First gear; 5. Bump; 6. Groove; 7. Zoom ring; 8. Block; 9. First transmission rod; 10. Second gear; 11. First bevel gear; 12. Gear box; 13. Second bevel gear; 14. Second transmission rod; 15. Driven wheel; 16. First driving wheel; 17. Second driving wheel; 18. Block rod; 19. Knob; 20. Slot. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figure 1-5 The utility model embodiment is a zoom device for a scope, which includes: a scope body 2, a base 1 is arranged at the bottom of the scope body 2, the base 1 supports the scope body 2, the base 1 is detachably connected to the scope body 2 by bolts, a zoom ring 7 and a shell 3 are arranged on the scope body 2, the zoom ring 7 changes the zoom of the scope body 2, a protrusion 5 is arranged on the zoom ring 7, the protrusion 5 clamps the first gear 4, the protrusion 5 is internally connected with the first gear 4 for rotation, the first gear 4 drives the zoom ring 7 to rotate, the first gear 4 is located inside the shell 3, the first gear 4 drives the zoom ring 7 to rotate by its own rotation, and a groove 6 is arranged on the first gear 4, and the groove 6 is fitted with the protrusion 5.

[0025] The first gear 4 is internally meshed with the second gear 10, and the second gear 10 is convenient for providing power. The second gear 10 is coaxially connected to the first bevel gear 11, and the first bevel gear 11 is internally meshed with the second bevel gear 13. The second bevel gear 13 is coaxially connected to the driven wheel 15, and the driven wheel 15 is internally meshed with the first driving wheel 16, and the first driving wheel 16 is internally meshed with the second driving wheel 17. The first driving wheel 16 and the second driving wheel 17 are provided with a card slot 20 and a card block 8. The card slot 20 clamps the card rod 18, and the card slot 20 is detachably connected with the card rod 18. The card rod 18 drives the first driving wheel 16 and the second driving wheel 17 to rotate, and a knob 19 is provided on the card rod 18. The size of the first driving wheel 16 is larger than that of the second driving wheel 1 7, a gear box 12 is fixedly connected to the outside of the sight body 2, the second gear 10, the first bevel gear 11, the second bevel gear 13, the driven wheel 15, the first driving wheel 16 and the second driving wheel 17 are all located inside the gear box 12, the first transmission rod 9 is fixedly connected to the side wall of the gear box 12, the second gear 10 and the first bevel gear 11 are located on the first transmission rod 9, the second gear 10 is located on the left side of the first bevel gear 11, three second transmission rods 14 are fixedly connected to the side wall of the gear box 12, the three second transmission rods 14 are located at the same height, the second bevel gear 13 and the driven wheel 15 are located on the second transmission rod 14 on the right, the first driving wheel 16 is located on the middle second transmission rod 14, and the second driving wheel 17 is located on the second transmission rod 14 on the left.

[0026] Working principle: When in use, first quickly adjust the magnification of the sight, you need to pull out the lever 18, place it on the slot 20 of the first active wheel 16, clamp the lever 18 with the clamp block 8, and quickly adjust the magnification of the sight according to the characteristics of the large gear. When fine aiming is required, you need to pull out the lever 18, place it on the slot 20 of the second active wheel 17, clamp the lever 18 with the clamp block 8, and adjust the characteristics of the rotation amplitude of the small gear to accurately fine-tune the sight.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A zoom device for a sight, characterized in that: include: A sight body (2), wherein a variable power ring (7) and a housing (3) are provided on the sight body (2), a convex block (5) is provided on the variable power ring (7), a first gear (4) is rotatably connected inside the convex block (5), a groove (6) is provided on the first gear (4), and the groove (6) is in contact with the convex block (5); The first gear (4) is internally meshed with a second gear (10), the second gear (10) is coaxially rotatably connected with a first bevel gear (11), the first bevel gear (11) is internally meshed with a second bevel gear (13), the second bevel gear (13) is coaxially rotatably connected with a driven wheel (15), the driven wheel (15) is internally meshed with a first driving wheel (16), the first driving wheel (16) is internally meshed with a second driving wheel (17), the first driving wheel (16) and the second driving wheel (17) are provided with a clamping groove (20) and a clamping block (8), and the first driving wheel (16) is smaller in size than the second driving wheel (17).

2. A sighting scope magnification changing device according to claim 1, characterized in that: A base (1) is provided at the bottom of the sight body (2), and the base (1) is detachably connected to the sight body (2) via bolts.

3. A sighting scope magnification changing device according to claim 1, characterized in that: The first gear (4) is located inside the housing (3), and the first gear (4) drives the zoom ring (7) to rotate by rotating itself.

4. A sighting scope magnification changing device according to claim 1, characterized in that: The sighting scope body (2) is fixedly connected to a gear box (12) on the outside, and the second gear (10), the first bevel gear (11), the second bevel gear (13), the driven wheel (15), the first driving wheel (16) and the second driving wheel (17) are all located inside the gear box (12).

5. A sighting scope magnification changing device according to claim 4, characterized in that: The side wall of the gear box (12) is fixedly connected to a first transmission rod (9); the second gear (10) and the first bevel gear (11) are located on the first transmission rod (9); and the second gear (10) is located on the left side of the first bevel gear (11).

6. A sighting scope magnification changing device according to claim 4, characterized in that: Three second transmission rods (14) are fixedly connected to the side wall of the gear box (12), and the three second transmission rods (14) are located at the same height.

7. A sighting scope magnification changing device according to claim 6, characterized in that: The second bevel gear (13) and the driven wheel (15) are located on the second transmission rod (14) on the right side, the first driving wheel (16) is located on the second transmission rod (14) in the middle, and the second driving wheel (17) is located on the second transmission rod (14) on the left side.

8. A sighting scope magnification changing device according to claim 1, characterized in that: A clamping rod (18) is detachably connected inside the clamping slot (20), and a knob (19) is provided on the clamping rod (18).

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