Bicycle road clamp capable of adjusting resistance

Abstract

The utility model relates to the technical field of bicycle road clamps, and discloses a bicycle road clamp capable of adjusting resistance, which comprises a road clamp body, two connecting arms are arranged on the surface of the road clamp body, an adjusting arm is arranged on the surface of the road clamp body, and an adjusting structure is arranged on the surface of each connecting arm. The adjusting structure comprises a threaded rod, the threaded rod penetrates through the connecting arm in a threaded mode, one end of the threaded rod is rotationally connected with a frame, the inner wall of the frame is rotationally connected with a rotating shaft, the arc surface of the rotating shaft is fixedly connected with a mounting column, and the surface of the mounting column is in threaded connection with a plurality of bolts. By arranging the adjusting structure, when the braking effect is reduced due to abrasion of the valve leather, the valve leather can be rapidly replaced by a new valve leather under the condition that no special tool exists outdoors, so that the braking resistance of the road clamp body is conveniently adjusted, it is ensured that the braking resistance meets the use requirement, and potential safety hazards caused by brake failure are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bicycle road clamp technical field, concretely is a kind of adjustable resistance bicycle road clamp. BACKGROUND

[0002] Bicycle road clamp usually refers to the brake clamp used by road bicycle, is the core component of road vehicle braking system, existing bicycle road clamp mainly changes the tightness degree of brake cable by rotating knob, adjusts the resistance of road clamp, it is generally installed in the position of front fork and rear triangle of frame, its structure is compact and light, uses transverse opening design, brake cable is conducted handle braking force, makes both sides valve leather clamping rim to realize deceleration or parking, road clamp seeks the balance of light weight and high efficiency braking, valve leather material is mostly rubber or composite material, can provide stable friction under different weather conditions, and adapt to road wheel diameter and narrow tire design, it is the key component that guarantees safety in road riding.

[0003] After existing bicycle road clamp is used for a long time, valve leather is worn out because of continuous friction with rim, surface material is continuously worn, thickness is gradually thinned, originally accurate adjusted interval is broken, resistance becomes difficult to control, in the face of this situation, user needs to use professional tool to replace valve leather, to adjust the brake resistance of road clamp, and when riding outdoors, valve leather wears intensively and other sudden conditions, because of lacking suitable tool and stable operating environment, rider often cannot quickly replace valve leather, can only force to ride to repair point under the risk of braking effect weakening, not only seriously influence riding experience, but also possibly endanger personal safety due to brake failure, for this reason, we propose a kind of adjustable resistance bicycle road clamp. UTILITY MODEL CONTENTS

[0004] The utility model is to provide a kind of adjustable resistance bicycle road clamp to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of adjustable resistance bicycle road clamp, including road clamp body, the surface of the road clamp body is equipped with two connecting arms, the surface of the road clamp body is equipped with adjusting arm, the surface of the connecting arm is equipped with adjusting structure, the adjusting structure includes threaded rod, the threaded rod is threaded and penetrates connecting arm, one end of the threaded rod is rotatably connected with frame, the inner wall of the frame is rotatably connected with rotating shaft, the circular arc surface of the rotating shaft is fixedly connected with mounting column, the surface of the mounting column is screw-connected with a plurality of bolts, the surface of the mounting column is installed with a plurality of valve leathers using bolt, the surface of the frame is slidably observed with bolt, one end of the mounting column is equipped with a plurality of circular grooves, the size of the bolt is adapted to the size of the circular groove.

[0006] The effect achieved by the above components is that: by arranging the adjusting structure, when the brake effect is reduced due to the wear of the valve skin, the new valve skin can be quickly replaced without professional tools outdoors, so that the brake resistance of the highway clamp body is adjusted, the brake resistance is ensured to meet the use requirement, and the safety hidden danger caused by brake failure is avoided.

[0007] Preferably, the circular arc surface of the bolt is sleeved with a spring, and two ends of the spring are fixedly connected with the bolt and the frame respectively.

[0008] The effect achieved by the above components is that: the bolt is inserted into the circular groove by the contraction force of the spring, and the spring improves the stability of the bolt inserted into the circular groove, and avoids the bolt from being shaken out of the circular groove.

[0009] Preferably, the circular arc surface of the mounting column is fixedly connected with a plurality of baffles, and one side of the valve skin is fixedly connected with a limiting arm.

[0010] The effect achieved by the above components is that: the baffles on the surface of the mounting column cooperate with the limiting arm of the valve skin, so that the position of the valve skin is accurate during installation, and inclination is avoided.

[0011] Preferably, the surface of the valve skin is fixedly connected with a clamping strip, and the cross section of the clamping strip is trapezoidal.

[0012] The effect achieved by the above components is that: the trapezoidal clamping strip is embedded into the clamping groove of the mounting column, and the stability of the valve skin after installation is enhanced.

[0013] Preferably, one end of the rotating shaft is fixedly connected with a rotating disc.

[0014] The effect achieved by the above components is that: the rotating disc drives the rotating shaft to rotate, and the rotating disc facilitates the rotation of the rotating shaft.

[0015] Preferably, both sides of the connecting arm are fixedly connected with an extension plate, a guide rod is slidably penetrated through the surface of the extension plate, and the guide rod is fixedly connected with the surface of the frame.

[0016] The effect achieved by the above components is that: the extension plates on both sides of the connecting arm are slidably matched with the guide rods on the frame, so that the frame is prevented from being deviated when moving.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] The utility model discloses a adjusting structure is provided with, reaches when the brake effect is caused to descend because of the valve skin abrasion, rotates the pivot, and the pivot rotation drives the mounting post rotation, and the mounting post rotation drives the valve skin rotation to reach the valve skin that will be abraded is turned into the frame, and the new valve skin is turned out on the mounting post, and the new valve skin can be replaced quickly under the condition that there is no professional tool in the open air, thereby facilitating the adjustment of the brake resistance of the road clamp body, ensuring that the brake resistance meets the use demand, and avoiding the security risk caused by brake failure. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the whole structure schematic diagram of the utility model;

[0020] Figure 2 It is the structure schematic diagram of the adjusting structure of the utility model;

[0021] Figure 3 It is the structure schematic diagram of the frame of the utility model;

[0022] Figure 4 It is the structure schematic diagram of the mounting post of the utility model;

[0023] Figure 5 It is the structure schematic diagram of the utility model Figure 3 in A place enlarged view.

[0024] In the drawing: 1, road clamp body;2, connecting arm;3, adjusting arm;4, adjusting structure;401, threaded rod;402, frame;403, pivot;404, mounting post;405, bolt;406, valve skin;407, bolt;408, round groove;409, spring;410, baffle;411, limiting arm;412, clamping strip;413, rotating disc;414, extension plate;415, guide rod. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the scope of the utility model.

[0026] Please refer to Figures 1-2The utility model provides a kind of technical scheme: a bicycle highway clamp with adjustable resistance, including highway clamp body 1, the surface of highway clamp body 1 is equipped with two connecting arms 2, the surface of highway clamp body 1 is equipped with adjusting arm 3, the surface of connecting arm 2 is equipped with adjusting structure 4, adjusting structure 4 includes threaded rod 401, threaded rod 401 is screwed through connecting arm 2, one end of threaded rod 401 is rotatably connected with frame 402, the inner wall of frame 402 is rotatably connected with rotating shaft 403, the circular arc surface of rotating shaft 403 is fixedly connected with mounting column 404, the surface of mounting column 404 is threadedly connected with a plurality of bolts 405, the surface of mounting column 404 is equipped with a plurality of valve skins 406 using bolt 405, the surface of frame 402 is slidably observed with latch 407, one end of mounting column 404 is equipped with a plurality of circular grooves 408, the size of latch 407 is adapted to the size of circular groove 408, by setting adjusting structure 4, when valve skin 406 causes brake effect to drop due to abrasion, new valve skin 406 can be quickly replaced in the case of outdoor without professional tool, so as to facilitate the adjustment of brake resistance of highway clamp body 1, ensure that braking resistance meets use demand, avoid the security risk caused by brake failure.

[0027] Referring to Figure 3 And Figure 4 With Figure 5 As shown, in the embodiment: the circular arc surface of latch 407 is sleeved with spring 409, both ends of spring 409 are fixedly connected with latch 407 and frame 402, latch 407 is inserted into circular groove 408 by the force of spring 409 contraction, spring 409 improves the stability of latch 407 inserted into circular groove 408, avoids the effect that latch 407 is shaken out of circular groove 408. The circular arc surface of mounting column 404 is fixedly connected with a plurality of baffles 410, one side of valve skin 406 is fixedly connected with limit arm 411, the baffle 410 on the surface of mounting column 404 cooperates with the limit arm 411 of valve skin 406, to ensure that the position of valve skin 406 is accurate when installing, to avoid inclination. The surface of valve skin 406 is fixedly connected with clamping strip 412, the cross section of clamping strip 412 is trapezoidal, trapezoidal clamping strip 412 is embedded into the clamping groove of mounting column 404, to enhance the stability of valve skin 406 after installation. One end of rotating shaft 403 is fixedly connected with rotating disc 413, rotating disc 413 drives rotating shaft 403 to rotate, rotating disc 413 facilitates the rotation of rotating shaft 403. Both sides of connecting arm 2 are fixedly connected with extension plate 414, the surface of extension plate 414 is slidably penetrated with guide rod 415, guide rod 415 is fixedly connected with the surface of frame 402, the extension plate 414 on both sides of connecting arm 2 is slidably matched with guide rod 415 on frame 402, to avoid the deviation of frame 402 when moving.

[0028] Working principle: by rotating the threaded rod 401, it moves axially in the connecting arm 2, drives the frame 402 to approach or away from the highway clamp body 1, so as to change the distance between the valve skin 406 and the wheel rim, realize the coarse adjustment of the resistance size, the extension plate 414 on both sides of the connecting arm 2 and the guide rod 415 on the frame 402 are in sliding fit, avoid the frame 402 from deviating when moving, the valve skin 406 is fixed on the mounting column 404 through the bolt 405, when the valve skin 406 needs to be replaced due to wear, just loosen the bolt 405 to quickly disassemble the old valve skin 406 and install the new valve skin 406, the baffle 410 on the surface of the mounting column 404 cooperates with the limiting arm 411 of the valve skin 406 to ensure the position of the valve skin 406 is accurate when installing, avoid tilting, the trapezoidal clamping strip 412 is embedded in the clamping groove of the mounting column 404 to enhance the stability of the valve skin 406 after installation, when the rider pinches the brake handle, the brake line transmits the braking force to the adjusting arm 3, drives the connecting arm 2 on both sides of the highway clamp body 1 to move synchronously, so that the valve skin 406 clamps the wheel rim, realizes deceleration or parking through friction, when the valve skin 406 is worn after use, first pull the latch 407, the movement of the latch 407 will slide in the frame 402 and gradually come out of the circular groove 408, the movement of the latch 407 makes the spring 409 stretch, after the latch 407 comes out of the circular groove 408, rotate the turntable 413, the rotation of the turntable 413 drives the rotating shaft 403 to rotate, the rotation of the rotating shaft 403 drives the mounting column 404 to rotate, the rotation of the mounting column 404 drives the valve skin 406 to rotate, so as to rotate the worn valve skin 406 into the frame 402, the new valve skin 406 on the mounting column 404 is rotated out, then loosen the latch 407, the latch 407 is inserted into the circular groove 408 by the contraction force of the spring 409, limits the rotation of the mounting column 404, and further limits the position of the valve skin 406, replacing the new valve skin 406 does not require professional tools, suitable for outdoor emergency scenes.

[0029] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising" or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or equipment.

[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 to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An adjustable resistance bicycle road clamp, comprising a road clamp body (1), the surface of the road clamp body (1) is mounted with two connecting arms (2), the surface of the road clamp body (1) is mounted with an adjusting arm (3), the surface of the connecting arm (2) is provided with an adjusting structure (4), characterized in that: Said adjusting structure (4) includes threaded rod (401), threaded rod (401) is threaded through the connecting arm (2), one end of threaded rod (401) is rotatably connected with frame (402), the inner wall of frame (402) is rotatably connected with rotating shaft (403), the circular arc surface of rotating shaft (403) is fixedly connected with mounting column (404), the surface of mounting column (404) is threadedly connected with a plurality of bolts (405), the surface of mounting column (404) is provided with a plurality of valve skins (406) by using bolts (405), the surface of frame (402) is slidably provided with bolt (407), one end of mounting column (404) is provided with a plurality of circular grooves (408), the size of bolt (407) is matched with the size of circular groove (408).

2. An adjustable resistance bicycle road clamp according to claim 1, characterized in that: The circular arc surface of the bolt (407) is sleeved with a spring (409), and the two ends of the spring (409) are fixedly connected with the bolt (407) and the frame (402) respectively.

3. An adjustable resistance bicycle road clamp according to claim 1, characterized in that: The circular arc surface of the mounting column (404) is fixedly connected with a plurality of baffle plates (410), and one side of the valve skin (406) is fixedly connected with a limiting arm (411).

4. An adjustable resistance bicycle road clamp according to claim 1, characterized in that: The surface of the valve skin (406) is fixedly connected with a clamping strip (412), and the cross section of the clamping strip (412) is trapezoidal.

5. An adjustable resistance bicycle road clamp according to claim 1, characterized in that: One end of the rotating shaft (403) is fixedly connected with a rotating disc (413).

6. An adjustable resistance bicycle road clamp according to claim 1, characterized in that: Both sides of the connecting arm (2) are fixedly connected with an extension plate (414), the surface of the extension plate (414) is slidably penetrated by a guide rod (415), and the guide rod (415) is fixedly connected with the surface of the frame (402).

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