Automatic winding device of bicycle saddle protective cover

Abstract

The utility model discloses an automatic winding device of a bicycle saddle protective cover, which comprises a protective cover and an automatic winding device, the automatic winding device comprises a winding drum, a winding drum shaft, a clockwork spring, two dampers, a Y-shaped support, a support shaft, two side plates and a bottom plate; the winding drum is rotatably fixed between the two side plates, and the protective cover is wound on the winding drum, is stored below a bicycle saddle at ordinary times, and is prevented from being in contact with rainwater and dust; when a user uses the protective cover, the protective cover can be conveniently pulled out from a winding drum below a seat to cover a saddle of the bicycle; in the riding process, when the body of a user leaves the cushion for a short time, the protective cover continues to cover the upper portion of the cushion under the action of the damper; after the user leaves the bicycle for a certain time, the protective cover can be automatically recycled to the position below the cushion, use is convenient, fast and environmentally friendly, the whole device is purely mechanical, dependence on electronic equipment is reduced, recycling can be achieved, and reliability and use continuity are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to an automatic rolling device, in particular to an automatic rolling device of bicycle cushion protective cover. BACKGROUND

[0002] As an innovative public transport, the shared bicycle effectively solves the problem of "the last mile" in the urban residents' travel, greatly facilitates the daily commuting and short-distance travel of citizens, and brings the use of bicycles into a new era. However, the open-air parked bicycles often encounter long-term parking, rainy days, sun exposure, and the like, and the cushion surface is dusty, waterlogged, and heated to be inconvenient to use. At present, people all adopt the ways of plastic bag, cloth wiping, and shading strip to solve this problem, but due to the inconvenience of carrying, the difficulty in operation and use leads to the fact that this problem has not been completely solved.

[0003] Therefore, an automatic rolling device of bicycle cushion protective cover is designed to realize the multifunction of dustproof, waterproof, and heat insulation of the cushion, to be used at any time under any weather, and to have an automatic rolling function to ensure normal use next time, which has certain innovation and social practical value. CONTENT OF THE UTILITY MODEL

[0004] The present technology provides an automatic rolling device of bicycle cushion protective cover to realize automatic recovery of the protective cover and solve the problems of inconvenience of carrying and use in the traditional way.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0006] An automatic rolling device of bicycle cushion protective cover, comprising a protective cover and an automatic rolling device, the automatic rolling device comprising a winding drum, a winding drum shaft, a clockwork spring, two dampers, a Y-shaped support, a support shaft, two side plates, and a bottom plate;

[0007] The two side plates are vertically fixed on the bottom plate, and a clamping groove is formed on one side of the bottom plate;

[0008] The winding drum is rotatably fixed between the two side plates, and a spiral guide groove is formed on each side surface of the winding drum, the spiral guide groove comprising a moving groove and a fixed groove connected in communication, the moving groove being a spiral shape spreading outward from the center, and the fixed groove being a straight line shape extending from the outer end of the spiral shape to the center;

[0009] The Y-shaped support comprises left and right ends and a bottom end, the left and right ends are respectively clamped in the spiral guide groove and can rotate in the spiral guide groove, and the bottom end is bent downward to form an L-shaped clamping block, which can be clamped in the clamping groove flexibly;

[0010] The clockwork spring is fixed in the winding drum to provide power for winding the protective cover;

[0011] Two dampers are fixed between the left and right ends of the Y-shaped support and the bottom plate, so as to avoid the instant retraction of the protective cover by the winding drum when the user temporarily leaves the saddle.

[0012] Preferably, the Y-shaped support is provided with a saddle support.

[0013] Preferably, the L-shaped clamping block extends from the bottom plate, one end of the protective cover is wound on the winding drum, and the other end is flexibly sleeved on the clamping block through the clamping ring.

[0014] Preferably, the piston end of the two dampers is fixed at the left and right ends of the Y-shaped support, and the connecting end is fixed at the left and right sides of the bottom plate.

[0015] Preferably, a support groove is formed in the main stem of the Y-shaped support, and the support shaft penetrates the support groove and is fixed between the two side plates.

[0016] Preferably, a side plate groove is formed in the two side plates, and the winding drum shaft penetrates the winding drum to rotatably fix the winding drum in the side plate groove.

[0017] Preferably, a cleaning rod is fixed between the two side plates.

[0018] The above technical solution is only one feasible technical solution of the present application, and the protection scope of the present application is not limited to this, and those skilled in the art can reasonably adjust the specific design according to actual needs.

[0019] The above-mentioned utility model has the following advantages or beneficial effects:

[0020] 1. The winding drum is rotatably fixed between the two side plates, the protective cover is wound on the winding drum, and the protective cover is stored under the bicycle saddle in daily life to avoid contact with rain and dust; when the user uses it, the protective cover can be conveniently pulled out from the winding drum under the seat to cover the bicycle saddle; during riding, when the user's body temporarily leaves the saddle, the protective cover continues to cover the upper part of the saddle due to the action of the damper; after the user leaves the bicycle for a certain period of time, the protective cover can be automatically retracted under the saddle, which is convenient, fast and environmentally friendly.

[0021] 2. The entire device uses pure mechanical, reduces the dependence on electronic equipment, can be recycled, and ensures reliability and use continuity. BRIEF DESCRIPTION OF DRAWINGS

[0022] The present application and its features, shapes and advantages will become more apparent through reading the detailed description of the non-limiting embodiments with reference to the following drawings. The same reference signs indicate the same parts throughout the drawings. The drawings are not necessarily drawn to scale, and the emphasis is on showing the main idea of the present application.

[0023] Figure 1The utility model discloses a structure schematic view.

[0024] Figure 2 The utility model discloses an explosion schematic view.

[0025] Figure 3 The utility model discloses a side view.

[0026] Figure 4 The utility model discloses a spiral guide groove schematic view.

[0027] Mark explanation:

[0028] 1 - protective cover, 2 - automatic reeling device, 3 - reel, 4 - clockwork spring, 5 - damper, 6 - Y-shaped support, 7 - support shaft, 8 - side plate, 9 - bottom plate, 10 - clamping groove, 11 - spiral guide groove, 111 - movement groove, 112 - fixed groove, 12 - L-shaped clamping block, 13 - support groove, 14 - cushion support, 15 - side plate groove, 16 - reel shaft, 17 - clamping ring, 18 - cleaning rod. Specific embodiment

[0029] The structure in the utility model will be further explained in connection with the drawings and specific embodiments, but not as the limitation of the utility model.

[0030] A bicycle cushion protective cover 1 automatic reeling device 2, including protective cover 1 and automatic reeling device 2, automatic reeling device 2 includes reel 3, reel shaft 16, clockwork spring 4, two dampers 5, Y-shaped support 6, support shaft 7, two side plates 8, bottom plate 9;

[0031] Two side plates 8 are vertically fixed on bottom plate 9, and clamping groove 10 is formed on one side of bottom plate 9;

[0032] The reel 3 is rotatably fixed between the two side plates 8, and the reel 3 is provided with a spiral guide groove 11 on both sides, the spiral guide groove 11 includes a movement groove 111 and a fixed groove 112 connected in communication, the movement groove 111 is a spiral shape spreading outward from the center, and the fixed groove 112 is a straight line shape extending from the outer end of the spiral shape to the center; The fixed groove 112 is a vertical groove.

[0033] The Y-shaped support 6 includes left and right ends and a bottom end, the left and right ends are respectively clamped in the spiral guide groove 11 and can rotate in the spiral guide groove 11, the bottom end is bent downward to form an L-shaped clamping block 12, and the L-shaped clamping block 12 can be clamped in the clamping groove 10 flexibly;

[0034] The clockwork spring 4 is fixed in the reel 3 and is used to provide power for the reel 3 to roll back the protective cover 1;

[0035] Two dampers 5 are respectively fixed between the left and right ends of the Y-shaped support 6 and the bottom plate 9, so as to avoid the instant retraction of the protective cover 1 by the winding drum 3 when the user temporarily leaves the seat.

[0036] Preferably, the Y-shaped support 6 is provided with a seat support 14.

[0037] Preferably, the L-shaped clamping block 12 extends out of the bottom plate 9, one end of the protective cover 1 is wound on the winding drum 3, and the other end is flexibly sleeved on the clamping block through the clasp ring 17.

[0038] Preferably, the piston ends of the two dampers 5 are respectively fixed at the left and right ends of the Y-shaped support 6, and the connecting ends are respectively fixed at the left and right sides of the bottom plate 9.

[0039] Preferably, a support groove 13 is formed in the main stem of the Y-shaped support 6, and the support shaft 7 penetrates the support groove 13 and is fixed between the two side plates 8.

[0040] Preferably, a side plate groove 15 is formed in the two side plates 8, and the winding drum shaft 16 penetrates the winding drum 3 to rotatably fix the winding drum 3 in the side plate groove 15.

[0041] Preferably, a cleaning rod 18 is fixed between the two side plates, which can clean the water stains when the protective cover 1 is pulled out.

[0042] 1. Pull the seat protective cover 1, rotate the winding drum 3 to push the left and right ends of the Y-shaped support 6 to the highest point of the fixed groove 112, at this time, the L-shaped clamping block 12 is clamped in the clamping groove 10 under the action of the support shaft 7 lever, one end of the protective cover 1 is buckled on the L-shaped clamping block 12 through the clasp ring 17, and self-locking is formed;

[0043] 2. The user rides the bicycle, under the action of the user's body weight, the dampers 5 are compressed, the left and right ends of the Y-shaped support 6 move vertically downward, at the same time, the L-shaped clamping block 12 moves upward under the action of the support shaft 7 lever, the clasp ring 17 of the protective cover 1 is separated from the L-shaped clamping block, and since the left and right ends of the Y-shaped support 6 are clamped in the fixed groove 112, the winding drum 3 is limited from rotating, so that the protective cover 1 is always kept on the saddle;

[0044] 3. When the user's body temporarily leaves the seat, the left and right ends of the Y-shaped support 6 slowly rise under the action of the dampers 5, but are still clamped in the vertical fixed groove 112, and then are forced to descend, the winding drum 3 is limited from rotating, so that the protective cover 1 still covers the seat;

[0045] 4. After the user leaves the bicycle for a certain period of time, that is, the time when the dampers 5 completely rebound, the left and right ends of the Y-shaped support 6 slowly rise to the highest point under the action of the dampers 5, at this time, the L-shaped clamping block 12 has been separated from the clamping groove 10, and the winding drum 3 is not limited from rotating to retract the protective cover for the next cycle.

[0046] The utility model designs a spiral guide groove 11, cleverly convert the rotary motion into linear motion buckle movement driven support, realize the protection cover self -lock and release, full combination spiral guide groove 11's characteristics, the characteristics of fixed groove 112 and damper 5 slow rebound characteristic, solved the human body short -term leave the cushion, the protection cover still remains on the cushion problem, when user returns the bicycle, reach certain time, the protective cover 1 can be automatically retracted, the next user uses conveniently.

[0047] When actually used for bicycle cushion, can match the shape of bicycle cushion integrated development

[0048] Those skilled in the art should understand that those skilled in the art can realize the change example in combination with the prior art and the above embodiment, which is not described here. Such changes do not affect the essential content of the utility model, which is not described here.

[0049] The above describes the preferred embodiments of the utility model. It should be understood that the utility model is not limited to the above specific implementation, and the equipment and structure not fully described should be understood as being implemented in the ordinary way in the art; any person skilled in the art can make many possible changes and modifications to the technical scheme of the utility model by using the disclosed methods and technical contents without departing from the scope of the utility model technical scheme, or modify equivalent embodiments, which does not affect the essential content of the utility model. Therefore, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the utility model, which does not depart from the content of the utility model technical scheme, still belongs to the protection scope of the utility model technical scheme.

Claims

1. An automatic winding device for a bicycle seat cover, characterized in that: The utility model relates to a protective cover and an automatic rolling device, the automatic rolling device comprises a winding drum, a winding drum shaft, a clockwork spring, two dampers, a Y-shaped support, a support shaft, two side plates and a bottom plate. The two side plates are vertically fixed on the bottom plate, and a clamping groove is formed on one side of the bottom plate. The winding drum is rotatably fixed between the two side plates, and helical guide grooves are formed on the two side surfaces of the winding drum. The Y-shaped support comprises left and right ends and a bottom end, the left and right ends are clamped in the helical guide grooves and can rotate in the helical guide grooves, and the bottom end is bent downward to form an L-shaped clamping block which is clamped in the clamping groove. The clockwork spring is fixed in the winding drum to provide power for rolling the protective cover. The two dampers are fixed between the left and right ends of the Y-shaped support and the bottom plate to avoid the instantaneous rolling of the winding drum when the user temporarily leaves the cushion.

2. The automatic retractor for a bicycle seat cover according to claim 1, wherein: The Y-shaped support is provided with a cushion support.

3. The automatic retractor for a bicycle seat cover according to claim 2, wherein: The L-shaped clamping block extends out of the bottom plate, one end of the protective cover is wound around the winding drum, and the other end is clamped on the clamping block through a clamping ring.

4. The automatic retractor for a bicycle seat cover according to claim 3, wherein: The piston ends of the two dampers are fixed on the left and right ends of the Y-shaped support, and the connecting ends are fixed on the left and right sides of the bottom plate.

5. The automatic retractor for a bicycle seat cover according to claim 4, wherein: A support groove is formed in the main stem of the Y-shaped support, and the support shaft penetrates the support groove and is fixed between the two side plates.

6. The automatic retractor for a bicycle seat cover according to claim 5, wherein: Side plate grooves are formed in the two side plates, and the winding drum shaft penetrates the winding drum to rotatably fix the winding drum in the side plate grooves.

7. The automatic retractor for a bicycle seat cover according to claim 6, wherein: A cleaning rod is fixed between the two side plates.

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