阅读说明：本技术 一种场地自行车辅助训练装置 (Auxiliary training device for field bicycle ) 是由 徐芳 于 2021-08-30 设计创作，主要内容包括：本发明公开了一种场地自行车辅助训练装置,包括底座和自行车训练架本体,底座靠近前后两侧的上端均固定连接有防护栏,底座位于中心位置的上端设有第一圆形固定桩。本发明通过转轮带动转动杆和升降螺纹杆转动,使得升降螺纹杆配合螺纹槽带动柱形套筒在固定杆的限位作用下进行升降,并由固定杆配合固定块和固定杆带动自行车训练架本体进行升降,便于根据实际需要调整自行车训练架本体的高度,通过自行车训练架本体受力带动固定杆上的密封环压缩第二圆形槽内的空气,使得压缩空气经由微型透气孔缓慢排出,配合液压缓冲器对自行车训练架本体提供缓冲防护,避免训练过程中对自行车训练架本体造成损伤,延长自行车训练架本体的使用寿命。(The invention discloses a field bicycle training aid, which comprises a base and a bicycle training frame body, wherein protective guards are fixedly connected to the upper ends of the base, close to the front side and the rear side, respectively, and a first circular fixing pile is arranged at the upper end, located at the center, of the base. According to the bicycle training frame, the rotating rod and the lifting threaded rod are driven to rotate through the rotating wheel, the lifting threaded rod is matched with the threaded groove to drive the cylindrical sleeve to lift under the limiting effect of the fixing rod, the fixing rod is matched with the fixing block and the fixing rod to drive the bicycle training frame body to lift, the height of the bicycle training frame body is convenient to adjust according to actual needs, the bicycle training frame body is forced to drive the sealing ring on the fixing rod to compress air in the second circular groove, compressed air is slowly discharged through the miniature air holes, the bicycle training frame body is buffered and protected by matching with the hydraulic buffer, the bicycle training frame body is prevented from being damaged in the training process, and the service life of the bicycle training frame body is prolonged.)

1. The utility model provides a place bicycle training aid, includes base (1) and bicycle training frame body (2), the equal fixedly connected with rail guard (3) in upper end of both sides around base (1) is close to, its characterized in that, base (1) is located the upper end that central point put and is equipped with first circular spud pile (4), the upper end of first circular spud pile (4) is equipped with elevating system, base (1) is close to the upper end of the left and right sides and all is equipped with circular spud pile (5) of second, two the upper end of the circular spud pile (5) of second all is equipped with first circular recess (6), two it is equipped with gag lever post (7), two all to insert in first circular recess (6) and be equipped with same buffer gear, buffer gear and bicycle training frame body (2) fixed connection, elevating system including setting up thread groove (8) in first circular spud pile (4) upper end respectively and cup jointing in first circular spud pile (4) thread groove (8) Cylindricality sleeve (9) on circular spud pile (4), vertical rotation runs through on the top surface of cylindricality sleeve (9) and is equipped with dwang (10), lower extreme fixedly connected with lifting threaded rod (11) of dwang (10), lifting threaded rod (11) and thread groove (8) threaded connection, upper end fixedly connected with runner (12) of dwang (10), U type stopper (13) have been cup jointed on runner (12), the upper end of cylindricality sleeve (9) is equipped with two slots (14), the vertical section of U type stopper (13) is inserted respectively and is located in two slots (14), two pressure spring (15) of fixedly connected with on the top surface of U type stopper (13), two the lower extreme of pressure spring (15) all with the upper end fixed connection of cylindricality sleeve (9).

2. The field bicycle training aid as claimed in claim 1, wherein two symmetrically distributed sliding grooves (16) are formed in the annular inner wall of the first circular groove (6), the top surfaces of the two sliding grooves (16) are communicated with the upper end of the second circular fixing pile (5), sliding blocks (17) matched with the sliding grooves are connected in the two sliding grooves (16) in a sliding mode, and one ends, far away from the sliding grooves (16), of the two sliding blocks (17) are fixedly connected with the annular side wall, close to the lower end, of the limiting rod (7).

3. The ground bicycle training aid as claimed in claim 1, wherein the buffering mechanism comprises two fixing blocks (18) fixedly connected to the upper ends of the two limiting rods (7), the upper ends of the two fixing blocks (18) are respectively provided with a second circular groove (19), the bottoms of the second circular grooves (19) are respectively and fixedly connected with a hydraulic buffer (20), the upper ends of the hydraulic buffers (20) are respectively and fixedly connected with a connecting rod (21), the bicycle training frame body (2) is fixedly connected to the upper ends of the two connecting rods (21), and the two connecting rods (21) are respectively arranged close to the side walls of the left end and the right end of the bicycle training frame body (2).

4. A field bicycle training aid as claimed in claim 3, characterized in that the opposite side walls of the two fixing blocks (18) are fixedly connected with fixing rods (22), and the ends of the two fixing rods (22) far away from the fixing blocks (18) are fixedly connected with the annular side wall of the cylindrical sleeve (9).

5. The auxiliary training device for the field bicycles as claimed in claim 3, wherein the sealing ring (23) is sleeved at one end of the connecting rod (21) located in the second circular groove (19), the sealing ring (23) is close to the lower end of the connecting rod (21), the sealing ring (23) is connected with the annular inner wall of the second circular groove (19) in a sliding and sealing manner, two limiting protrusions (24) are arranged on the annular inner wall of the second circular groove (19), the two limiting protrusions (24) are close to the upper end of the fixing block (18), the annular inner wall of the second circular groove (19) close to the bottom is provided with the micro air holes (25), the dustproof filter screen (26) is fixedly connected in the micro air holes (25), and the dustproof filter screen (26) is close to the side wall of the fixing block (18).

6. A field bicycle training aid according to claim 4, characterized in that the sealing ring (23) is made of rubber, and the limiting protrusion (24) is integrated with the fixing block (18).

Technical Field

The invention relates to the technical field of bicycle auxiliary training instruments, in particular to a field bicycle auxiliary training device.

Background

The bicycle in the field is the cycling that goes on in circular place, and the bicycle match in field includes chasing after race, timing match, score match and contest earlier, and the bicycle that adopts in the field match only is furnished with a gear and does not have the floodgate, only for pursuing faster speed, and the sportsman in field bicycle need carry out a large amount of training.

Present place bicycle trainer when in-service use, it is not convenient for adjust the training frame height according to individual demand, and lacks training frame protective structure, causes the damage to training frame at the training in-process easily, provides a supplementary trainer of place bicycle now and solves above-mentioned problem.

Disclosure of Invention

The invention provides a field bicycle training aid, which is used for solving the technical problems that the height of a training frame is not convenient to adjust according to individual requirements, a training frame protection structure is lacked, and the training frame is easy to be damaged in the training process when the existing field bicycle training aid in the background art is actually used.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a place bicycle training aid, includes base and bicycle training frame body, the equal fixedly connected with rail guard in upper end of both sides around the base is close to, the upper end that the base is located central point and puts is equipped with first circular spud pile, the upper end of first circular spud pile is equipped with elevating system, the upper end that the base is close to the left and right sides all is equipped with the circular spud pile of second, two the upper end of the circular spud pile of second all is equipped with first circular recess, two all insert in the first circular recess and be equipped with the gag lever post, two the upper end of gag lever post is equipped with same buffer gear, buffer gear and bicycle training frame body fixed connection.

Preferably, elevating system is including setting up respectively in the thread groove of first circular spud pile upper end and cup jointing the cylindricality sleeve on first circular spud pile, vertical rotation runs through on the telescopic top surface of cylindricality is equipped with the dwang, the lower extreme fixedly connected with lifting threaded rod of dwang, lifting threaded rod and thread groove threaded connection, the upper end fixedly connected with runner of dwang.

Preferably, the runner is sleeved with a U-shaped limiting block, the upper end of the cylindrical sleeve is provided with two slots, the vertical section of the U-shaped limiting block is respectively inserted into the two slots, the top surface of the U-shaped limiting block is fixedly connected with two pressure springs, and the lower ends of the two pressure springs are fixedly connected with the upper end of the cylindrical sleeve.

Preferably, be equipped with two spouts that are the symmetric distribution on the annular inner wall of first circular recess, two the top surface of spout all sets up with the upper end intercommunication of the circular spud pile of second, two equal sliding connection has the assorted slider with it in the spout, two the one end that the spout was kept away from to the slider all is close to annular lateral wall fixed connection of lower extreme with the gag lever post.

Preferably, buffer gear is including fixed block, two of fixed block fixed connection in two gag lever post upper ends respectively the upper end of fixed block all is equipped with the second circular recess, two equal fixedly connected with hydraulic buffer, two on the bottom of second circular recess the equal fixedly connected with connecting rod in upper end of hydraulic buffer, bicycle training frame body fixed connection is in the upper end of two connecting rods, two the connecting rod is close to the setting of both ends lateral wall about bicycle training frame body respectively.

Preferably, the opposite side walls of the two fixing blocks are fixedly connected with fixing rods, and one ends of the two fixing rods far away from the fixing blocks are fixedly connected with the annular side wall of the cylindrical sleeve.

Preferably, two the sealing ring has all been cup jointed to the one end that the connecting rod is located the second circular recess, the lower extreme setting that the sealing ring is close to the connecting rod, the annular inner wall sliding seal of sealing ring and second circular recess is connected, be equipped with two spacing archs on the annular inner wall of second circular recess, two spacing arch all is close to the upper end setting of fixed block, the second circular recess is close to and is equipped with miniature bleeder vent on the annular inner wall of bottom, the dustproof filter screen of fixedly connected with in the miniature bleeder vent, dustproof filter screen is close to the lateral wall setting of fixed block.

Preferably, the sealing ring is a rubber product, and the limiting protrusion and the fixing block are integrally arranged.

Compared with the prior art, the invention has the beneficial effects that:

1. drive dwang and lifting threaded rod through the runner and rotate for lifting threaded rod cooperation thread groove drives the cylindricality sleeve and goes up and down under the limiting displacement of dead lever, and drives bicycle training frame body by dead lever cooperation fixed block and dead lever and go up and down, is convenient for adjust the height of bicycle training frame body according to actual need.

2. Drive the air in the sealing ring compression second circular recess on the dead lever through bicycle training frame body atress for compressed air slowly discharges via miniature bleeder vent, and cooperation hydraulic buffer provides the buffering protection to bicycle training frame body, avoids causing the damage to bicycle training frame body in the training process, prolongs the life of bicycle training frame body.

Drawings

FIG. 1 is a perspective view of a field bicycle training aid in accordance with the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic structural view of a U-shaped limiting block of the field bicycle training aid provided by the invention;

FIG. 4 is an enlarged view of a portion of FIG. 1 at B;

FIG. 5 is an enlarged view of a portion of FIG. 1 at C;

FIG. 6 is a schematic structural view of a connecting rod and a sealing ring of the training aid for field bicycles, which is provided by the invention;

fig. 7 is a schematic structural view of a field bicycle training aid according to the present invention.

In the figure: the bicycle training frame comprises a base 1, a bicycle training frame body 2, a protective guard 3, a first circular fixing pile 4, a second circular fixing pile 5, a first circular groove 6, a limiting rod 7, a threaded groove 8, a cylindrical sleeve 9, a rotating rod 10, a lifting threaded rod 11, a rotating wheel 12, a U-shaped limiting block 13, a slot 14, a pressure spring 15, a sliding groove 16, a sliding block 17, a fixing block 18, a second circular groove 19, a hydraulic buffer 20, a connecting rod 21, a fixing rod 22, a sealing ring 23, a limiting bulge 24, a miniature air hole 25 and a dustproof filter screen 26.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

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.

Referring to fig. 1-7, a field bicycle training aid comprises a base 1 and a bicycle training frame body 2, wherein guard rails 3 are fixedly connected to the upper ends of the front and rear sides of the base 1, the guard rails 3 can protect trainees, a first circular fixing pile 4 is arranged at the upper end of the central position of the base 1, a lifting mechanism is arranged at the upper end of the first circular fixing pile 4, the lifting mechanism comprises a thread groove 8 and a cylindrical sleeve 9, the thread groove 8 is arranged at the upper end of the first circular fixing pile 4, the cylindrical sleeve 9 is sleeved on the first circular fixing pile 4, a rotating rod 10 is vertically and rotatably arranged on the top surface of the cylindrical sleeve 9, a lifting threaded rod 11 is fixedly connected to the lower end of the rotating rod 10, the lifting threaded rod 11 is in threaded connection with the thread groove 8, a rotating wheel 12 is fixedly connected to the upper end of the rotating rod 10, and the rotating wheel 12 is used for manually rotating the rotating rod 10 and the lifting threaded rod 11, so that the lifting threaded rod 11 is rotatably matched with the threaded groove 8 to drive the cylindrical sleeve 9 to lift under the limiting action of the two fixing rods 22.

A U-shaped limiting block 13 is sleeved on the rotating wheel 12, two slots 14 are arranged at the upper end of the cylindrical sleeve 9, the vertical sections of the U-shaped limiting block 13 are respectively inserted into the two slots 14, two pressure springs 15 are fixedly connected to the top surface of the U-shaped limiting block 13, the elastic properties of the two pressure springs 15 enable the U-shaped limiting block 13 to be inserted into the two slots 14 so as to limit the rotating wheel 12 and avoid the rotating wheel 12 from being accidentally rotated, the lower ends of the two pressure springs 15 are fixedly connected with the upper end of the cylindrical sleeve 9, the upper ends of the base 1 close to the left side and the right side are respectively provided with a second circular fixing pile 5, the upper ends of the two second circular fixing piles 5 are respectively provided with a first circular groove 6, a limiting rod 7 is respectively inserted into the two first circular grooves 6, two sliding grooves 16 which are symmetrically distributed are arranged on the annular inner wall of the first circular grooves 6, the top surfaces of the two sliding grooves 16 are respectively communicated with the upper ends of the second circular fixing piles 5, all sliding connection has slider 17 rather than assorted in two spout 16, and the one end that 16 spout was kept away from to two slider 17 all is close to the annular lateral wall fixed connection of lower extreme with gag lever post 7, and slider 17 is when removing in spout 16, and the gag lever post 7 of being convenient for goes up and down in first circular recess 6.

The upper end of two gag lever posts 7 is equipped with same buffer gear, buffer gear and 2 fixed connection of bicycle training frame body, and buffer gear includes fixed block 18 of difference fixed connection in two gag lever posts 7 upper ends, and the upper end of two fixed blocks 18 all is equipped with second circular recess 19, equal fixedly connected with hydraulic buffer 20 on the bottom of two second circular recesses 19, and hydraulic buffer 20's model is: HYD10-70, drive dead lever 22 compression hydraulic buffer 20 when bicycle training frame body 2 atress, make hydraulic buffer 20 provide the buffering to bicycle training frame body 2, the equal fixedly connected with connecting rod 21 in upper end of two hydraulic buffer 20, bicycle training frame body 2 fixed connection is in the upper end of two connecting rods 21, two connecting rods 21 are close to bicycle training frame body 2 respectively and control both ends lateral wall setting, equal fixedly connected with dead lever 22 on the relative lateral wall of two fixed blocks 18, dead lever 22 can carry on spacingly to cylindricality sleeve 9, it rotates simultaneously to avoid lifting threaded rod 11 to rotate and drive cylindricality sleeve 9, the one end that fixed block 18 was kept away from to two dead levers 22 all with cylindricality sleeve 9's annular lateral wall fixed connection.

One end of each of the two connecting rods 21, which is located in the second circular groove 19, is sleeved with a sealing ring 23, the sealing ring 23 is arranged close to the lower end of the connecting rod 21, the sealing ring 23 is connected with the annular inner wall of the second circular groove 19 in a sliding and sealing manner, two limiting protrusions 24 are arranged on the annular inner wall of the second circular groove 19, the limiting protrusions 24 can prevent the sealing ring 23 from being separated from the second circular groove 19, the two limiting protrusions 24 are arranged close to the upper end of the fixing block 18, the annular inner wall of the second circular groove 19, which is close to the bottom, is provided with a micro air vent 25, the fixing rod 22 drives the sealing ring 23 to slowly compress air in the second circular groove 19 when moving in the second circular groove 19, so that the compressed air is slowly discharged through the micro air vent 25, the matching hydraulic buffer 20 provides buffer protection for the bicycle training frame body 2, and avoids damage to the bicycle training frame body 2 in the training process, the life of extension bicycle training frame body 2, the interior fixedly connected with of miniature bleeder vent 25 filter screen 26 that prevents dust, filter screen 26 that prevents dust are close to the lateral wall setting of fixed block 18, and filter screen 26 that prevents dust can prevent that the dust from getting into in the second circular recess 19, and sealing ring 23 is rubber products, and spacing arch 24 is the integration setting with fixed block 18.

When the height of the bicycle training frame body 2 needs to be adjusted, the height of the bicycle training frame body 2 is adjusted by pulling the U-shaped limiting block 13 to be separated from the two slots 14 and then stretching the two pressure springs 15, then rotating the rotating wheel 12 to drive the rotating rod 10 and the lifting threaded rod 11 to rotate simultaneously, so that the lifting threaded rod 11 is rotationally matched with the threaded groove 8 to drive the cylindrical sleeve 9 to lift under the limiting action of the two fixing rods 22, the cylindrical sleeve 9 is matched with the fixing block 18 to drive the limiting rod 7 to lift along the first circular groove 6 under the limiting action of the sliding groove 16 and the sliding block 17, at the moment, the two fixing rods 22 are matched with the fixing block 18 and the fixing rods 22 to drive the bicycle training frame body 2 to lift, the height of the bicycle training frame body 2 can be adjusted according to actual requirements, and after the height of the bicycle training frame body 2 is adjusted, the U-shaped limiting block 13 is loosened to elastically reset the two pressure springs 15, the U-shaped limiting blocks 13 are inserted into the two slots 14 again, so that the rotating wheels 12 are limited, and the height of the bicycle training frame body 2 is fixed; drive the air in the second circular recess 19 on the sealing ring 23 compression fixed block 18 on the dead lever 22 when bicycle training frame body 2 atress for compressed air slowly discharges via miniature bleeder vent 25, compresses hydraulic buffer 20 when dead lever 22 removes to second circular recess 19 simultaneously, and then effectively provides the buffering protection to bicycle training frame body 2, avoids causing the damage to bicycle training frame body 2 in the training process, prolongs the life of bicycle training frame body 2.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.