CN217198525U - Safe pressure-relieving mechanism for bicycle wheel disc - Google Patents

Abstract

The application discloses bicycle rim plate safety pressure relief mechanism relates to bicycle accessory technical field, which comprises a vehicle rack, the frame outer wall rotates and is provided with the wheel disk body, frame outer wall fixedly connected with mount, the welding of mount bottom one side has the gag lever post, the fixed montant that is provided with of mount bottom opposite side, fixed montant bottom threaded connection has the threaded rod, the threaded rod outer wall rotates and is connected with the link. This application is through the rotation of threaded rod, go up and down to the stabilizer wheel, make the stabilizer wheel go up and down the back and can carry out the tensioning to the chain, reduce the clearance between wheel disk body and the chain, make the chain can slow down completely on the wheel disk body, thereby make when riding the chain can not drop from the wheel disk body, make the bicycle can not be because the chain drops and just can be good at the road, the security of mechanism has been improved, and the rotation through the threaded rod still can control the tensioning degree to the chain, the people of being convenient for carry out the dismouting to the chain, suitable a large amount of popularization.

Description

Safe pressure-relieving mechanism for bicycle wheel disc

Technical Field

The utility model belongs to the technical field of bicycle accessory technique and specifically relates to a bicycle rim plate safety pressure relief mechanism is related to.

Background

Bicycles, also known as bicycles or bicycles, are typically two-wheeled small land vehicles. After a person rides a vehicle, the person steps on the pedal as power, and the vehicle is a green and environment-friendly vehicle. The chain wheel of the bicycle is also called as a chain wheel, the chain wheel is a part connected with a middle shaft and a crank of the bicycle, people pedal the chain wheel to drive the crank, further drive the chain wheel to rotate, and finally take away a rear wheel through a chain and a flywheel to rotate so as to drive the bicycle.

However, a large gap is often formed between the bicycle wheel disc and the chain, so that the chain cannot be completely pressed on the wheel disc, the chain is easy to fall off from the wheel disc, if the chain falls off during riding, the bicycle loses driving power, and the bicycle can be directly struck on a road, so that certain potential safety hazards are caused, and the requirements of the prior art cannot be met.

SUMMERY OF THE UTILITY MODEL

In order to solve and to have great clearance between current bicycle rim plate and the chain, make the chain problem that drops from the rim plate easily, this application provides a bicycle rim plate safety pressure relief mechanism.

The application provides a bicycle rim plate safety pressure relief mechanism adopts following technical scheme:

the utility model provides a bicycle rim plate safety pressure relief mechanism, includes the frame, the frame outer wall rotates and is provided with the wheel disk body, frame outer wall fixedly connected with mount, the welding of mount bottom one side has the gag lever post, the fixed montant that is provided with of mount bottom opposite side, fixed montant bottom threaded connection has the threaded rod, the threaded rod outer wall rotates and is connected with the link, gag lever post bottom through connection frame, link one end outer wall rotates and is connected with slow pinch roller, slow pinch roller is located under the wheel disk body, the wheel disk body with slowly pinch between the wheel outer wall transmission be connected with the chain.

Optionally, the outer wall of the frame is rotatably connected with a rotating shaft, and the wheel disc body is fixedly connected to the outer wall of the rotating shaft.

Through adopting above-mentioned technical scheme, the frame can be connected and support the countershaft, but the pivot wheel disk body is connected and spacing for the wheel disk body can rotate on the frame.

Optionally, one side of the fixing frame is provided with uniformly distributed trepanning, a ball is rotatably connected in the trepanning, and one side of the ball is in matched butt joint with the outer wall of the wheel disc body.

Through adopting above-mentioned technical scheme, the ball can support tightly to wheel disk body one side.

Optionally, a threaded hole is formed in the fixing vertical rod, and the top end of the threaded rod is connected in the threaded hole in a threaded mode.

Through adopting above-mentioned technical scheme, fixed montant accessible screw hole is connected the threaded rod and is spacing for the threaded rod can carry out the lift removal after rotatory.

Optionally, the outer wall of the bottom end of the threaded rod is fixedly connected with a rotating ring, the rotating ring is in a circular ring shape, and the rotating ring is rotatably connected to the inner wall of the connecting frame.

Through adopting above-mentioned technical scheme, the swivel can be connected link and threaded rod.

Optionally, the limiting rod is located between the threaded rod and the pressing wheel, and fluorescent paint is coated on the outer wall of the limiting rod.

Through adopting above-mentioned technical scheme, people can be in the dark regulation down through fluorescence to the safe slow pressure mechanism of bicycle look for.

Optionally, the center of the bottom of the threaded rod is welded with a rotating handle, and the rotating handle is located below the connecting frame.

Through adopting above-mentioned technical scheme, people's accessible is changeed and is driven the threaded rod and rotate.

Optionally, the bottom of the connecting frame is fixedly connected with two symmetrically distributed rubber blocks, and the top end of the rotating handle is movably clamped between the two rubber blocks.

Through adopting above-mentioned technical scheme, two rubber blocks have elasticity and can clip and change the handle, make to change the handle and can't rotate at will.

In summary, the present application includes at least one of the following benefits:

1. through the rotation of threaded rod, come to go up and down to the stabilizer wheel, make the stabilizer wheel can take up the tensioning to the chain after going up and down, reduce the clearance between wheel disk body and the chain, make the chain can slowly press completely on the wheel disk body, thereby make when riding the chain can not drop from the wheel disk body, make the bicycle can not be because the chain drops and strike on the road, the security of mechanism has been improved, and the tensioning degree to the chain can still be controlled through the rotation of threaded rod, the people of being convenient for carry out the dismouting to the chain, suitable a large amount of popularization.

2. Through the setting of ball, both can make mount wheel disk body one side support tightly, make things convenient for the installation of people's wheel disk body, the rotation of accessible ball self again, reduce frictional force and wearing and tearing between wheel disk body and the mount, people only need rotatory change the handle, alright drive the threaded rod and rotate, realize the regulation of chain tensioning length, accommodation process is labour saving and time saving, two blocks of rubber can press from both sides tightly the handle under elasticity, prevent to change the tensioning degree that makes the chain along with the arbitrary rotation of going of bicycle and change, the practicality of structure has been improved.

Drawings

FIG. 1 is an elevational view of the overall construction of the present application;

FIG. 2 is a side view of the overall structure of the present application;

FIG. 3 is a side sectional view of the overall structure of the present application;

fig. 4 is an enlarged view of the structure a in fig. 3 of the present application.

Description of reference numerals: 1. a frame; 11. a rotating shaft; 12. a wheel body; 13. a chain; 2. a fixed mount; 21. a limiting rod; 22. trepanning; 23. a ball; 3. fixing the vertical rod; 31. a threaded hole; 32. a threaded rod; 33. rotating the ring; 34. a connecting frame; 35. a slow pressing wheel; 36. turning a handle; 37. a rubber block.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses bicycle rim plate safety pressure relief mechanism, refer to fig. 1-3, including frame 1, frame 1 is the frame of current bicycle, and its inner structure has all been disclosed, give unnecessary details here, and frame 1 outer wall rotates and is provided with wheel disk body 12, and frame 1 outer wall rotates and is connected with pivot 11, and wheel disk body 12 fixed connection is at 11 outer walls of pivot, and frame 1 can connect and support pivot 11, and pivot 11 can connect and spacing to wheel disk body 12 for wheel disk body 12 can rotate on frame 1.

Referring to fig. 1-3, frame 1 outer wall fixedly connected with mount 2, frame 1 can support and fix mount 2, the welding of 2 bottom one sides of mount has gag lever post 21, 2 bottom opposite sides of mount are fixed and are provided with fixed montant 3, mount 2 can support and fix gag lever post 21 and fixed montant 3, 3 bottom threaded connection of fixed montant has threaded rod 32, threaded hole 31 has been seted up in fixed montant 3, threaded rod 32 top threaded connection is in threaded hole 31, 3 accessible threaded hole 31 of fixed montant are connected and are spacing threaded rod 32, make threaded rod 32 rotatory back can carry out the lift travel.

Referring to fig. 3-4, one side of the fixing frame 2 is provided with uniformly distributed trepanning 22, a round ball 23 is rotatably connected in the trepanning 22, the fixing frame 2 can connect and limit the round ball 23 through the trepanning 22, the connection mode of the fixing frame 2 and the round ball 23 is the same as that of a rotating mechanism of a ball hinge, and one side of the round ball 23 is in fit butt joint with the outer wall of the wheel disc body 12, so that the round ball 23 can be tightly abutted against one side of the wheel disc body 12.

Referring to fig. 1-3, the outer wall of the threaded rod 32 is connected with a connecting frame 34 in a rotating mode, the outer wall of the bottom end of the threaded rod 32 is fixedly connected with a rotating ring 33, the threaded rod 32 can support and limit the rotating ring 33, the rotating ring 33 is in a circular ring shape, the rotating ring 33 is convenient to rotate, the rotating ring 33 is connected to the inner wall of the connecting frame 34 in a rotating mode, the connecting frame 34 and the threaded rod 32 can be connected through the rotating ring 33, the bottom end of the limiting rod 21 penetrates through the connecting frame 34, the limiting rod 21 is located between the threaded rod 32 and a slow pressing wheel 35, the limiting rod 21 can limit the connecting frame 34, the connecting ring 33 is matched with connection, after the threaded rod 32 rotates, the connecting frame 34 can only move up and down and cannot rotate, fluorescent paint is coated on the outer wall of the limiting rod 21, and people can find the safe slow pressing mechanism of a bicycle through fluorescence under dark adjustment.

Referring to fig. 1-3, the outer wall of one end of the connecting frame 34 is rotatably connected with a slow pressing wheel 35, the connecting frame 34 can support and limit the pressure stabilizing wheel 35, the slow pressing wheel 35 is located under the wheel disc body 12, a chain 13 is connected between the wheel disc body 12 and the outer wall of the slow pressing wheel 35 in a transmission mode, and the chain 13 can be meshed with gear joints on the wheel disc body 12 and the slow pressing wheel 35, so that the slow pressing wheel 35 after lifting can tension the chain 13.

Referring to fig. 1-3, the center of the bottom of the threaded rod 32 is welded with a rotating handle 36, people can drive the threaded rod 32 to rotate through the rotating handle 36, the rotating handle 36 is located below the connecting frame 34, the bottom of the connecting frame 34 is fixedly connected with two symmetrically distributed rubber blocks 37, the top end of the rotating handle 36 is movably clamped between the two rubber blocks 37, and the two rubber blocks 37 have elasticity and can clamp the rotating handle 36, so that the rotating handle 36 cannot rotate freely.

The implementation principle of the safe pressure relief mechanism of bicycle rim plate of this application embodiment does:

when people need adjust the tensioning degree of chain 13, the accessible is changeed 36 and is rotated threaded rod 32, under the connection and the spacing of fixed montant 3 internal thread hole 31, threaded rod 32 can go up and down and rotate on one side, the spacing of cooperation gag lever post 21, make link 34 can only go up and down to move, link 34 after the lift can drive steady voltage wheel 35 and go up and down, come to take up the tensioning to steady voltage wheel 35 and the outer chain 13 of the rim plate body 12, reduce the clearance between the rim plate body 12 and chain 13, make chain 13 can slow down completely on wheel disk body 12, thereby make chain 13 can not drop from rim plate 12 when riding.

When the chain 13 needs to be disassembled, the pressure stabilizing wheel 35 can be lifted by rotating the threaded rod 32, so that the pressure stabilizing wheel 35 can be separated from the chain 13, and at the moment, people can easily take down the chain 13 from the bicycle for maintenance.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a bicycle wheel disc safety pressure relief mechanism, includes frame (1), its characterized in that: frame (1) outer wall rotates and is provided with wheel disk body (12), frame (1) outer wall fixedly connected with mount (2), mount (2) bottom one side welding has gag lever post (21), mount (2) bottom opposite side is fixed to be provided with fixed montant (3), fixed montant (3) bottom threaded connection has threaded rod (32), threaded rod (32) outer wall rotates and is connected with link (34), gag lever post (21) bottom through connection frame (34), link (34) one end outer wall rotates and is connected with slow pressing wheel (35), slow pressing wheel (35) are located under wheel disk body (12), transmission is connected with chain (13) between wheel disk body (12) and slow pressing wheel (35) outer wall.

2. A bicycle chainwheel safety relief mechanism as set forth in claim 1, wherein: the outer wall of the frame (1) is rotatably connected with a rotating shaft (11), and the wheel disc body (12) is fixedly connected to the outer wall of the rotating shaft (11).

3. A bicycle chainwheel safety relief mechanism as set forth in claim 1, wherein: evenly distributed trepanning (22) are seted up to mount (2) one side, trepanning (22) internal rotation is connected with ball (23), ball (23) one side and the cooperation butt of wheel disk body (12) outer wall.

4. A bicycle chainwheel safety relief mechanism as claimed in claim 1, wherein: threaded holes (31) are formed in the fixing vertical rods (3), and the top ends of the threaded rods (32) are in threaded connection with the threaded holes (31).

5. A bicycle chainwheel safety relief mechanism as set forth in claim 1, wherein: threaded rod (32) bottom outer wall fixedly connected with change (33), change (33) are the annular shape, change (33) rotate to be connected at link (34) inner wall.

6. A bicycle chainwheel safety relief mechanism as set forth in claim 1, wherein: the limiting rod (21) is located between the threaded rod (32) and the slow pressing wheel (35), and fluorescent paint is coated on the outer wall of the limiting rod (21).

7. A bicycle chainwheel safety relief mechanism as set forth in claim 1, wherein: the center of the bottom of the threaded rod (32) is welded with a rotating handle (36), and the rotating handle (36) is positioned below the connecting frame (34).

8. A bicycle chainwheel safety relief mechanism as set forth in claim 7, wherein: the bottom of the connecting frame (34) is fixedly connected with two symmetrically distributed rubber blocks (37), and the top end of the rotating handle (36) is movably clamped between the two rubber blocks (37).

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