WO1999057436A1

WO1999057436A1 - The structure of the inflator attached on the bicycle

Info

Publication number: WO1999057436A1
Application number: PCT/CN1998/000068
Authority: WO
Inventors: Yingzhe Hwang; Junming Hwang
Original assignee: Yingzhe Hwang; Junming Hwang
Priority date: 1998-04-30
Filing date: 1998-04-30
Publication date: 1999-11-11

Abstract

An inflator attached on a bicycle, comprises a cylinder, a piston, a cam, a hollow transmission bolt, a movable shaft and a gear. The cam has a stud projected on its upper portion for inserting into a hole on the lower end of the piston rod, and has a bore on its lower portion for being connected with the transmission bolt. The movable shaft is inserted into transmission bolt and has the gear fixed on its front end. The bicycle tire can be inflated by the backward idling of the chainwheel.

Description

Structure of an air pump provided with a bicycle

Technical field

The present invention relates to a structure of an inflator attached to a bicycle, in particular to a device for attaching an inflator structure to a frame on the side of a bicycle wheel and using the chain of the bicycle to inflate a bicycle tire at any time and place.

Background technique

When the tires of the bicycle wheels gradually become a little airy, it is very difficult for the bicycle to step on the road due to insufficient pressure of the inner tube of the wheels and the weight of the human body. When the air-free state is completely present, the wear of the tire is conceivable. In addition, the conventional air pumps for bicycles are mostly hand-pressed and foot-pressed, which can be shown in Figures 1 and 2 It can be seen from the three-dimensional schematic diagrams of the hand-pressing air pump 1 Q and the foot-pressing air pump 20 that although it can achieve the purpose of inflating, the only disadvantage is that it is bulky and cannot be carried around, and it is not possible to carry a bicycle anytime, anywhere Wheel tires are inflated, and the pumping action is time-consuming and labor-intensive, which is a disadvantage that conventionally cannot satisfy the use of ordinary people. Disclosure of invention

The main object of the present invention is to provide a structure of an air pump attached to a bicycle consisting of a piston, a cam lever, a pivot screw, a shift rod and a gear, wherein the improved air pump is integrally locked on the bicycle wheel side. At the frame of the bicycle, when you want to inflate the bicycle wheel tires, you can use the bicycle chain and its pedals to idle back, so that the air pump can generate air, and then inflated in the bicycle tires, so that the bicycle can be carried out anytime and anywhere The purpose of wheel inflation is to solve the problems existing in the prior art.

A secondary object of the present invention is to provide a structure of a pump attached to a bicycle. The improved pump has a light body, does not take up space, is easy to operate, and saves time and effort. The attached barometer can be used for pumping. Understanding the gas pressure at the time is quite practical and convenient as a whole, and is a breakthrough design for the industry.

The technical solution adopted by the present invention is as follows: A structure of an air pump attached to a bicycle is mainly used to provide an air pump at a bicycle wheel side frame. The air pump includes a piston, a cam lever, a pivot screw, It consists of a moving shaft and a gear, etc., where:

A cylinder body is chiseled in the pump housing, an exhaust pipe is arranged above, a dome cover and a shield cover are arranged below the dome, and a round hole is chiseled in the dome cover;

A piston is provided with a connecting rod seat underneath, and the connecting rod seat is locked by a bolt to a hole above the connecting rod, and then the piston is placed in a cylinder built in the air pump;

A cam lever with an insert rod on it, which can be inserted into the hole below the connecting rod, and a round hole under it for transmission The rear screw sleeve to which the screw belongs;

A pivot screw has an internal groove chiseled therein and can be sleeved by a shifting rod. The front end of the screw is threaded, and an end is placed behind the screw and implanted in the internal groove. The rear end has The rear screw can be inserted into the round hole of the cam lever and then locked by the nut;

A moving shaft, which can be fitted into the inner groove of the pivot screw as a whole, has a movable function. A guide groove is chiseled at an appropriate position at the rear. The guide groove is the length of the moving distance and can be adjusted by the inner groove of the pivot screw. The stop end is set to stop the overall moving distance of the shift rod, and the front end of the shift rod is a front screw, which can be sleeved into a gear and locked by a nut.

The piston of the above-mentioned parts is placed in a cylinder body provided in the housing of the inflator, and the lower part of the piston is connected to a hole above a connecting rod, and the rear screw of the pivot screw is sleeved into a circular hole of a cam rod and fixed by a nut. The insert rod on the cam lever is sleeved into the hole below the connecting rod, and the front end screw of the transmission pivot screw penetrates out of the round hole provided under the pump housing, and is locked by a nut, and the transmission The pivot screw can be rotated in a circular hole, and then a moving shaft is sleeved into the inner groove of the transmission screw. Before the shaft is moved, a screw is sleeved with a gear, and then locked by a nut, which becomes the pump. Improved overall structure.

When you want to start the pump for pumping tires on bicycle wheels, first move the gear outwards to the top of the chain near the bicycle, then pull the chain up and then fit into the gear, and then from the pedal of the bicycle to The rear is idling and transmits the force of the chain, so that the chain rotates the gears to drive the shift shaft, the pivot screw and the cam rod, and makes the piston reciprocate up and down to generate air. After the air is discharged to the exhaust pipe, it is transported by a The air hose is connected to the bicycle wheel, and air is poured into the wheel until the wheel tire is saturated.

Brief description of the drawings

FIG. 1 is a schematic perspective view of a conventional hand pressure type air pump;

FIG. 2 is a schematic perspective view of a conventional foot pressure type air pump;

3 is a schematic perspective view of the present invention;

FIG. 4 is an exploded view of parts of the present invention;

5 is a sectional view of the present invention;

FIG. 6 is a sectional operation diagram of the present invention;

FIG. 7 is a simplified schematic diagram of the invention locked on a bicycle wheel side frame;

FIG. 8 is an action diagram of the invention locked on the bicycle wheel side frame before inflating;

FIG. 9 illustrates an embodiment of the present invention.

The best way to implement the invention

The preferred embodiments of the present invention will be further described with reference to the above drawings. Please refer to FIG. 3, FIG. 4 and FIG. 5, which are a perspective view, an exploded view, and a cross-sectional view of the present invention, respectively. Shelf An improved inflator 1 is provided at the place. The inflator 1 is composed of a piston 2, a cam lever 4, a pivot screw 5, a moving shaft 6 and a gear 7, and the like. 1 A cylinder 11 is chiseled in the housing, and an exhaust pipe 12 and a barometer 9 are arranged above the cylinder, and a dome 13 and a shield cover 14 are arranged below the dome, respectively. A circular hole 15 is chiseled at the center of the wall;-the piston 2 is provided with a connecting rod seat 21 under the connecting rod seat 21, and the piston is locked by a plug 2 2 2 is placed in the air pump 1 with a cylinder; a cam lever 4 with an insert lever 41 is a hole that can be inserted under the connecting rod 3, and a round hole 4 2 is provided below it for transmission The rear screw 5 4 of the screw 5 is sleeved;

A transmission pivot screw 5 is provided with an internal groove 5 1 inside, which can be inserted into the shifting shaft 6, and a screw 5 2 at the front end of the tapping portion is placed behind the screw 5 2. 5 3 and implanted into the inner groove 51, and the rear end is provided with a rear screw 5 4 for the circular hole 4 2 of the cam lever 4 to be sleeved and then locked by the nut 8;

A moving shaft 6 is integrally sleeved in the inner groove 51 of the pivot screw 5 and has a movable function. A guide groove 6 1 is chiseled at an appropriate position at the rear thereof. The guide groove 6 1 is a moving distance. The length of the moving shaft 6 can be stopped by the end stop 5 3 provided in the inner groove 51 of the pivot screw 5, and the front end of the moving shaft 6 is the front screw 6 2. Gear 7 is locked by a nut 8;

The piston 2 of the above-mentioned parts is placed in the cylinder body 1 1 provided in the housing of the air pump 1, and a hole above the connecting rod 3 is connected below, and the rear screw 5 4 of the pivot screw 5 is sleeved into a cam lever 4 The round hole 4 2 is fixed by the nut 8, and the plug 41 on the cam lever 4 is inserted into the hole below the connecting rod 3. At this time, the front thread 5 2 of the transmission screw 5 is put on the pump. 1 The outside of the round hole 15 provided under the casing is locked by another nut 8 and the pivot screw 5 can be rotated in the round hole 15 and a moving shaft 6 is inserted into the pivot There is one inner groove 5 of the screw 5, and the front screw 62 of the shifting shaft 6 is set with a gear 7 and then locked by a nut 8. In this way, it becomes the overall structure of the air pump 1 of the present invention, as shown in FIG. 3 And shown in Figure 5.

Referring to FIG. 6, a cross-sectional action diagram of the present invention, wherein the figure shows the manner in which the shift lever 6 moves. The guide groove 61 provided by the shift lever 6 can be used in the inner groove of the pivot screw 5. 5 1 is moved. In order to avoid the phenomenon that the moving shaft 6 can be stopped and dropped when the moving shaft 6 is moved, a stop end 5 3 is provided at the inner groove 5 1 of the pivot screw 5. After the gear shaft 7 is rotated to move the shaft 6, it can also be transmitted to the pivot screw 5, the cam rod ⁴ and the piston ² through the end stop 5 3 to achieve the overall action relationship.

Referring to FIG. 7, FIG. 8 and FIG. 9, which are simple schematic diagrams of the present invention, which are locked on the side frame of a bicycle wheel, action diagrams before inflating, and embodiment diagrams, in which the entire inflator 1 of the present invention can be locked. At the wheel-side frame of the bicycle, as shown in the schematic diagram shown in FIG. 7; when the inflator 1 is to be started to inflate the wheel 50, the gear 7 is first moved outward, as shown in FIG. 6, moved to the bicycle near Above the chain 4 Q, then move the chain 40 up After being lifted up, the gear 7 is engaged with each other, that is, as shown in FIG. 8, the bicycle pedal 30 is turned to the rear to idle the drive force of the chain 40 so that the chain 40 can rotate the gear 7 to drive the shift shaft. The rod 6, the pivot screw 5, and the cam rod 4 make the piston 2 reciprocate up and down to generate air. The air is discharged to the exhaust pipe 12 and is guided by an air hose 60 to the wheel of the bicycle. 50, after the air is poured into the wheel 5G until the wheel 50 is saturated, the amount of input air can be known from the barometer 9 on the air pump 1, as shown in FIG. 9;

In addition, the protective cover 14 provided in the casing of the inflator 1 can not only protect the component structure, but also can be equipped with a small input hose 60, so that the inflator can be carried out anytime, anywhere. Furthermore, the inflator 1 In addition to the design of pumping with the attached bicycle, it can also pump in sports balls, such as blue balls and volleyballs. It is a quite convenient and practical device.

In summary, the bicycle attached to the pump of the present invention has a unique structure, and changes the conventional method of pumping on the bicycle, making the pump made by the present invention simpler, that is, the pumping action can be performed anytime, anywhere, and has the convenience, Practicality and industrial utilization value.

The present invention has been described in detail above, but what has been described above is only a preferred embodiment of the present invention. When it cannot be used to limit the scope of the present invention. That is to say, all equal changes and modifications in accordance with the scope of patent application of the present invention should still be covered by the patent of the present invention.

Industrial applicability

The present invention utilizes the above structure. When the pump is to be started for pumping on the tires of a bicycle wheel, the gear is first moved out above the chain near the bicycle, and then the chain is pulled up to fit the gear. The pedal of the bicycle is idling to the rear to transmit the force of the chain, causing the chain to rotate the gears to drive the shifting shaft, the pivot screw and the cam rod, and the piston can reciprocate up and down to generate air, which is discharged to the exhaust After the air pipe, a bicycle hose is connected to the bicycle wheel, so that air is poured into the wheel until the wheel tire is saturated. Therefore, it is practical.

Claims

Rights request

1. A structure of a pump attached to a bicycle, characterized in that a bicycle pump is provided at the side frame of the bicycle wheel, and a piston, a cam lever, a pivot screw, a shift rod and a gear are provided in the pump. And other structural components, where:

A cam lever having an insert rod thereon, which can be inserted into a hole below the connecting rod, and a circular hole is provided under the rod, which can be sleeved by the rear screw to which the transmission screw belongs;

A pivot screw has an internal groove chiseled in it for the sleeve to be inserted. The front part of the screw is tapped, and one end is placed behind the screw and implanted in the inner slot. There is a rear screw, which can be inserted into the round hole of the cam lever and then locked by a nut;

A moving shaft can be fitted into the inner groove of the pivot screw as a whole. A guide groove is cut at an appropriate position behind the guide rod. The guide groove is the length of the moving distance and can be set by the end of the inner groove of the pivot screw. Head to stop the overall moving distance of the shift rod, and the front end of the shift rod is the front screw, which can be put into a gear and locked by a nut;

The piston of the above-mentioned parts is placed in a cylinder built in the casing of the inflator, the lower part of which is connected with a hole above a connecting rod, and the rear screw of the pivot screw is sleeved into a circular hole of a cam rod and fixed by a nut. The insert rod on the cam lever is sleeved into the hole below the connecting rod, and the front end screw of the transmission pivot screw penetrates out of the round hole provided under the pump casing, and is locked by a screw, and the transmission pivot is fixed. The screw can be rotated in a circular hole, and then a moving shaft is sleeved into the inner groove of the pivot screw, and the front screw of the moving shaft is sleeved with a gear, and then locked by a nut to become the air pump. The overall improved structure is characterized by:

When you want to start the pump to pump up the bicycle tires, first move the gear out to the top of the chain near the bicycle, then pull the chain up and fall into the gear, and then move it from the pedal of the bicycle to The rear is idling and transmits the force of the chain, so that the chain rotates the gears to drive the shift shaft, the pivot screw and the cam rod, and makes the piston reciprocate up and down to generate air. After the air is discharged to the exhaust pipe, it is transported by a The air hose is connected to the bicycle wheel, and air is poured into the wheel until the wheel tire is saturated.

2. The structure of an air pump attached to a bicycle according to claim 1, characterized in that: a small air hose can be inserted into a casing cover provided in the air pump.