Friction adjusting mechanism for built-in wheel

Abstract

The utility model provides a friction force adjusting mechanism for a built-in wheel. The friction force adjusting mechanism solves the problems that when friction force of an existing built-in wheel is adjusted, the rotating angle of a locking hand wheel is large, and adjustment is inconvenient. A support column is arranged in the center of the support, and a support groove is formed in the outer side of the support; the support is sleeved with a rear cover, and the outer circle of the rear cover is rotationally connected with a locking gear ring. A locking outer gear is arranged in the support groove, an open hole is formed in the outer circle of the rear cover, and the locking gear ring is connected with the locking outer gear in a meshed mode through the open hole. A locking outer gear center hole is formed in the center of the locking outer gear, a locking small gear is arranged in the locking outer gear center hole, a locking cam is arranged on the support column, a sawtooth-shaped locking cam tooth-shaped section is arranged on the outer side of the locking cam, and the locking small gear is connected with the locking cam tooth-shaped section in a meshed mode. And a locking cam inclined surface is arranged on the inner side of the locking cam and is matched and connected with the surface of the bracket column. The built-in wheel is widely applied to the technical field of built-in wheels.

Description

Technical Field

[0001] This application relates to the technical field of hidden wheels, and more specifically, to a friction adjustment mechanism for hidden wheels. Background Art

[0002] A hidden wheel is a type of fishing reel. It is popular among anglers because of its simple structure and convenient operation and is widely used. With the popularization of fishing sports in recent years, people have paid more and more attention to the experience during fishing and put forward higher and more professional requirements for hidden wheels. When fishing, the fishing line wound on the fishing reel needs to have a certain tensile force. Anglers often need to adjust the friction of the fishing line when the hidden wheel pays out the line to adjust the tensile force of the fishing line to cope with various situations.

[0003] Currently, most hidden wheels on the market adjust the friction of the fishing line when paying out by setting a complex transmission structure inside and an additional adjustment knob outside the cover body, etc. As a result, the overall hidden wheel occupies a large space, has poor portability, and has problems of many components and complex structure. At the same time, when adjusting the friction of the fishing line when the above-mentioned hidden wheel pays out, it is necessary to rotate the locking handwheel significantly, with a large rotation angle, inconvenient adjustment operation, and it is impossible to quickly adjust the friction to the appropriate range, affecting the use experience of anglers. Utility Model Content

[0004] In order to solve the above-mentioned existing problems, the technical solution adopted by this utility model is: to provide a friction adjustment mechanism for a hidden wheel, which solves the problem that the locking handwheel has a large rotation angle and is inconvenient to adjust when adjusting the friction of the existing hidden wheel. It includes a bracket. A bracket column is provided at the center of the bracket, and a bracket groove is provided on the outside of the bracket; a rear cover is sleeved on the bracket, and a locking gear ring is rotatably connected to the outer circle of the rear cover; a locking external gear is provided in the bracket groove, an opening is provided on the outer circle of the rear cover, and the locking gear ring is meshed and connected with the locking external gear through the opening; a locking external gear center hole is provided at the center of the locking external gear, a locking pinion is provided in the locking external gear center hole, a locking cam is provided on the bracket column, a serrated locking cam tooth-shaped section is provided on the outside of the locking cam, and the locking pinion is meshed and connected with the locking cam tooth-shaped section; a locking cam inclined surface is provided on the inner side of the locking cam, and the locking cam inclined surface is in fit connection with the surface of the bracket column.

[0005] Preferably, a locking gear ring tooth-shaped section is provided on the inner side of the locking gear ring. The locking gear ring tooth-shaped section is an arc section evenly distributed with saw teeth; the locking gear ring tooth-shaped section is meshed and connected with the locking external gear.

[0006] Preferably, a locking gear ring sliding table is further provided on the inner side of the locking gear ring. The locking gear ring sliding table is a convex smooth arc section, and a protruding rear cover barb is provided on the outer circle of the rear cover. The rear cover barb and the locking gear ring sliding table cooperate with each other and are rotatably connected.

[0007] Preferably, a small bracket column is provided on a side of the bracket away from the bracket groove, and a locking handwheel ratchet is sleeved on the small bracket column.

[0008] Preferably, the number of openings is multiple, and the locking gear ring cooperates with the locking handwheel ratchet through one of the openings.

[0009] Preferably, a locking gear ring serrated section is provided on the inner side of the locking gear ring opposite to the locking gear ring toothed section, and the locking gear ring serrated section is an arc section with saw teeth evenly distributed; the locking gear ring serrated section cooperates with the locking handwheel ratchet through an opening thereof.

[0010] Preferably, a leaf spring is extended outwardly from the locking hand wheel ratchet, and the leaf spring contacts the sawtooth segment of the locking gear ring, and the leaf spring makes a sound when it is activated.

[0011] Preferably, a locking handwheel ratchet positioning hole and a locking handwheel ratchet thread hole are provided on the locking handwheel ratchet, the locking handwheel ratchet positioning hole cooperates with the bracket column, a bracket thread hole is provided on one side of the bracket column, a screw is provided in the locking handwheel ratchet thread hole, the locking handwheel ratchet thread hole and the bracket thread hole are threadedly connected by the screw, and the locking handwheel ratchet is installed on the bracket by the screw.

[0012] Preferably, small raised claws for fixing and locking the gear ring are provided on both sides of the rear cover.

[0013] The beneficial effects of the utility model are as follows: the locking gear ring is meshed and connected with the locking outer gear, a locking pinion is arranged in the center hole of the locking outer gear, the locking pinion is meshed and connected with the locking cam tooth profile section, when the angler needs to adjust the friction force of the line outlet, the locking gear ring is rotated to drive the locking outer gear and the locking pinion to rotate, thereby driving the locking cam to rotate, and the locking cam inclined surface rotates along the outer surface of the bracket column, so that the friction force can be quickly adjusted; the locking gear ring has a small rotation angle, which saves time and effort and is convenient for adjustment; the bracket and the rear cover have a simple structure and compact assembly, the entire friction adjustment mechanism occupies a small space and has a low production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 is a side view schematic diagram of the bracket;

[0017] Figure 3 is a top view schematic diagram of the bracket;

[0018] Figure 4 is a schematic structural diagram of the locking gear ring;

[0019] Figure 5 is a top view schematic diagram of the locking cam;

[0020] Figure 6 is a side view schematic diagram of the locking cam;

[0021] Figure 7 is a side view schematic diagram of the locking pinion;

[0022] Figure 8 is a top view schematic diagram of the locking external gear;

[0023] Figure 9 is a schematic structural diagram of the locking handwheel ratchet;

[0024] Figure 10 is a schematic structural diagram of the rear cover.

[0025] Explanation of symbols in the figure: 1. Bracket; 2. Bracket column; 3. Bracket groove; 4. Rear cover; 5. Locking gear ring; 6. Locking external gear; 7. Center hole of the locking external gear; 8. Locking pinion; 9. Locking cam; 10. Tooth profile section of the locking cam; 11. Inclined surface of the locking cam; 12. Tooth profile section of the locking gear ring; 13. Slide of the locking gear ring; 14. Hook of the rear cover; 15. Small post of the bracket; 16. Locking handwheel ratchet; 17. Serrated section of the locking gear ring; 18. Leaf spring; 19. Positioning hole of the locking handwheel ratchet; 20. Threaded hole of the locking handwheel ratchet; 21. Screw; 22. Bracket hole; 23. Threaded hole of the bracket. Specific implementation manners

[0026] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer and more understandable, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0027] It should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0028] It should be noted that the terms "first" and "second" are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality of" means two or more, unless otherwise specifically defined.

[0029] An internal wheel friction adjustment mechanism provided by an embodiment of the present application will now be described.

[0030] Please refer to Figures 1 to 8 , the internal wheel friction adjustment mechanism includes a bracket 1. A bracket column 2 is provided at the center of the bracket 1, and a bracket groove 3 is provided on the outside of the bracket 1; a rear cover 4 is sleeved on the bracket 1, and a locking gear ring 5 is rotatably connected to the outer circle of the rear cover 4; a locking external gear 6 is provided in the bracket groove 3, and an opening is provided on the outer circle of the rear cover 4, and the locking gear ring 5 is meshed and connected with the locking external gear 6 through the opening. A locking external gear center hole 7 is provided at the center of the locking external gear 6, and a locking pinion 8 is provided in the locking external gear center hole 7; specifically, the locking external gear center hole 7 and the outer circle of the locking pinion 8 are mutually matched and fixedly connected, and when the locking external gear 6 rotates, it drives the locking pinion 8 to rotate together. A locking cam 9 is provided on the bracket column 2, a serrated locking cam tooth-shaped section 10 is provided on the outside of the locking cam 9, and the locking pinion 8 is meshed and connected with the locking cam tooth-shaped section 10; a locking cam inclined surface 11 is provided inside the locking cam 9, and the locking cam inclined surface 11 is in fit connection with the surface of the bracket column 2.

[0031] During use, the angler rotates the locking gear ring 5, which drives the locking external gear 6 to rotate, further driving the locking pinion 8 connected to the locking external gear center hole 7 to rotate. The locking pinion 8 drives the locking cam 9 meshed with it to rotate. The locking cam inclined surface 11 inside the locking cam 9 cooperates with the outer surface of the bracket column 2, and the size of the internal wheel wire outlet friction is adjusted by the rotation of the locking cam inclined surface 11. The settings of the locking gear ring 5, the locking external gear 6, and the locking pinion 8 convert the rotation of the locking gear ring 5 into the rotation of the locking cam inclined surface 11. When adjusting the wire outlet friction, compared with the prior art, it can quickly adjust the size of the friction, the rotation angle of the locking gear ring 5 is small, it saves time and effort, and the adjustment operation is convenient.

[0032] Please refer to Figure 4, is a schematic diagram of the structure of the locking gear ring 5. Furthermore, a locking gear ring tooth segment 12 is provided inside the locking gear ring 5. The locking gear ring tooth segment 12 is an arc segment with saw teeth evenly distributed. The locking gear ring tooth segment 12 is meshed and connected with the locking outer gear 6. The length range of the locking gear ring tooth segment 12 corresponds to the adjustment range of the outgoing line friction force. When the angler quickly rotates the locking gear ring 5, the locking gear ring tooth segment 12 in contact with the locking outer gear 6 rotates from one end to the other end, which can achieve the adjustment of the outgoing line friction force from the minimum to the maximum.

[0033] See also Figure 4 and Figure 10 Furthermore, a locking gear ring slide 13 is provided on the inner side of the locking gear ring 5, and the locking gear ring slide 13 is a raised smooth arc segment; a protruding rear cover barb 14 is provided on the outer circle of the rear cover 4, and the rear cover barb 14 cooperates with the locking gear ring slide 13 and is rotatably connected.

[0034] Furthermore, a bracket column 15 is provided on one side of the bracket 1 away from the bracket groove 3 , and a locking handwheel ratchet 16 is sleeved on the bracket column 15 .

[0035] Furthermore, the number of openings is multiple, and the locking gear ring 5 cooperates with the locking hand wheel ratchet 16 through one of the openings.

[0036] Furthermore, a locking ring gear serration section 17 is provided on the inner side of the locking ring gear 5 opposite to the locking ring gear section 12. The locking ring gear serration section 17 is an arc section with saw teeth evenly distributed. The locking ring gear serration section 17 cooperates with the locking handwheel ratchet 16 through an opening thereof.

[0037] See also Figure 9 , is a schematic diagram of the structure of the locking hand wheel ratchet 16. Specifically, the locking hand wheel ratchet 16 is provided with a leaf spring 18 extending outward, and the leaf spring 18 contacts the locking gear ring sawtooth segment 17, and the leaf spring 18 is turned to make a sound. When the fisherman rotates the locking gear ring 5, the locking gear ring sawtooth segment 17 rotates, continuously turning the leaf spring 18, making it make a sound.

[0038] Specifically, a locking handwheel ratchet positioning hole 19 and a locking handwheel ratchet thread hole 20 are provided on the locking handwheel ratchet 16. The locking handwheel ratchet positioning hole 19 cooperates with the bracket column 15. A bracket thread hole 23 is provided on one side of the bracket column 15. A screw 21 is provided in the locking handwheel ratchet thread hole 20. The locking handwheel ratchet thread hole 20 and the bracket thread hole 23 are threadedly connected by the screw 21. The locking handwheel ratchet 16 is installed on the bracket 1 by the screw 21.

[0039] Furthermore, small raised claws for fixing and locking the gear ring 5 are provided on both sides of the rear cover 4 .

[0040] See also Figure 3 , Figure 7 andFigure 8 Specifically, a bracket hole 22 is provided on the bracket 1 at a position corresponding to the bracket groove 3 , and the locking pinion 8 passes through the bracket hole 22 and the locking outer gear center hole 7 and is installed on the bracket 1 .

[0041] The working principle of the utility model is as follows: when in use, the fisherman rotates the locking gear ring 5, the locking gear ring toothed section 12 drives the locking outer gear 6 to rotate, further drives the locking pinion 8 to rotate, the locking pinion 8 drives the locking cam 9 meshing with it to rotate, the locking cam inclined surface 11 inside the locking cam 9 rotates along the outer surface of the bracket column 2, and the friction force of the inner wheel outgoing line is adjusted by the rotation of the locking cam inclined surface 11. At the same time, the locking gear ring serrated section 17 rotates, constantly toggling the leaf spring 18, causing it to make a sound.

[0042] In the utility model, the locking gear ring 5 is meshed with the locking outer gear 6, and a locking pinion 8 is provided in the center hole 7 of the locking outer gear. The locking pinion 8 is meshed with the locking cam tooth segment 10. When the angler needs to adjust the friction force of the outgoing line, the locking gear ring 5 is rotated to drive the locking outer gear 6 and the locking pinion 8 to rotate, thereby driving the locking cam 5 to rotate, and the locking cam inclined surface 11 rotates along the outer surface of the bracket column 2, so as to quickly adjust the friction force. The locking gear ring 5 has a small rotation angle, which saves time and effort and is convenient for adjustment. The bracket 1 and the rear cover 3 have a simple structure and compact assembly. The entire friction adjustment mechanism occupies a small space and has a low production cost.

[0043] The embodiments described above are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, a person skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application, and should all be included in the protection scope of the present application.

Claims

1. A frictional force adjustment mechanism for a built-in wheel, comprising a bracket (1), a bracket column (2) is provided at the center of the bracket (1), and a bracket groove (3) is provided on the outer side of the bracket (1); characterized in that: The bracket (1) is sleeved with a rear cover (4), and the outer circle of the rear cover (4) is rotatably connected to a locking gear ring (5); a locking external gear (6) is provided in the bracket groove (3), and an opening is provided on the outer circle of the rear cover (4), and the locking gear ring (5) is meshed and connected with the locking external gear (6) through the opening; a locking external gear center hole (7) is provided at the center of the locking external gear (6), and a locking pinion (8) is provided in the locking external gear center hole (7); a locking cam (9) is provided on the bracket column (2), and a sawtooth-shaped locking cam tooth profile segment (10) is provided on the outer side of the locking cam (9), and the locking pinion (8) is meshed and connected with the locking cam tooth profile segment (10); a locking cam inclined surface (11) is provided on the inner side of the locking cam (9), and the locking cam inclined surface (11) is matched and connected with the surface of the bracket column (2).

2. The friction adjustment mechanism for a built-in wheel according to claim 1, wherein: A locking gear ring tooth section (12) is provided on the inner side of the locking gear ring (5); the locking gear ring tooth section (12) is an arc-shaped section with saw teeth evenly distributed thereon; the locking gear ring tooth section (12) is meshingly connected to the locking external gear (6).

3. The friction force adjusting mechanism for a built-in wheel according to claim 1, characterized in that: A locking gear ring slide (13) is also provided on the inner side of the locking gear ring (5), and the locking gear ring slide (13) is a raised smooth arc segment; a raised rear cover barb (14) is provided on the outer circle of the rear cover (4), and the rear cover barb (14) and the locking gear ring slide (13) cooperate with each other and are rotatably connected.

4. A frictional force adjustment mechanism for a built-in wheel according to claim 2, characterized in that: A small bracket column (15) is provided on a side of the bracket (1) away from the bracket groove (3), and a locking hand wheel ratchet (16) is sleeved on the small bracket column (15).

5. The friction adjustment mechanism for a built-in wheel according to claim 4, wherein: The number of the openings is multiple, and the locking gear ring (5) cooperates with the locking hand wheel ratchet (16) through one of the openings.

6. The friction adjustment mechanism for a hidden wheel according to claim 5, characterized in that: A locking gear ring serration section (17) is provided on the inner side of the locking gear ring (5) opposite to the locking gear ring toothed section (12); the locking gear ring serration section (17) is an arc-shaped section with saw teeth evenly distributed; the locking gear ring serration section (17) cooperates with the locking hand wheel ratchet (16) through one of the openings.

7. The friction adjustment mechanism for a built-in wheel according to claim 6, characterized in that: The locking hand wheel ratchet (16) is provided with a leaf spring (18) extending outwards, the leaf spring (18) being in contact with the locking gear ring sawtooth segment (17), and the leaf spring (18) is spun to make a sound.

8. The friction adjustment mechanism for a built-in wheel according to claim 4, wherein: The locking handwheel ratchet (16) is provided with a locking handwheel ratchet positioning hole (19) and a locking handwheel ratchet thread hole (20); the locking handwheel ratchet positioning hole (19) cooperates with the bracket column (15); a bracket thread hole (23) is provided on one side of the bracket column (15); a screw (21) is provided in the locking handwheel ratchet thread hole (20); the locking handwheel ratchet thread hole (20) and the bracket thread hole (23) are threadedly connected by the screw (21); and the locking handwheel ratchet (16) is mounted on the bracket (1) by the screw (21).

9. The friction adjustment mechanism for a built-in wheel according to claim 1, wherein: Small raised claws for fixing the locking gear ring (5) are provided on both sides of the rear cover (4).

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