TWI610025B - Inflator with fast inflation and high pressure pumping function - Google Patents

Description

Inflator with fast inflation and high pressure pumping function

The invention mainly discloses an inflator, in particular to an inflator having a quick inflation and a high pressure pumping function.

Referring to the variable pressure pump of the Japanese Patent No. I432645, the utility model comprises: a base provided with a hose capable of receiving an inflating body, the base comprising a receiving portion; and a casing comprising a first part One end and one second end, the first end of the housing is mounted on the receiving portion of the base, the second end of the housing is provided with an inner top wall, and a first cylindrical body is fixed to the receiving portion of the base The first cylinder is located in the casing, the first cylinder includes a first air chamber and an air passage, the first air chamber is in communication with the air passage; and a first piston rod is disposed in the first a first air chamber of the cylinder; a second cylinder fixed to the receiving portion of the base, the second cylinder is located in the housing, the second cylinder is in parallel relationship with the first cylinder, the first cylinder The second cylinder includes a second air chamber; a second piston rod that passes through the second air chamber of the second cylinder; and a handle that fixes the first piston rod and the second piston rod, a handle exposed at a second end of the housing, the handle being capable of driving the first piston rod relative to the The first cylinder moves longitudinally to pump air, and the handle can drive the second piston rod to move longitudinally relative to the second cylinder to inhale; a control device includes a control member and a valve body, and the control member is disposed on the a second end of the housing, the valve body is disposed at one end of the air passage of the first cylinder, the control member can drive the valve body to move, and the control member can switch between the first position and the second position, the control When the piece is in the first position, the inner top wall of the casing forms a closed space with the control member, so that the air pushed by the first piston does not leak; when the control member is in the second position, the valve body and the valve body A passage is formed between the inner top walls of the casing, and the local air that is pushed up by the first piston rod is discharged from the passage.

When the variable pressure pump is in the first position, the first air chamber and the second air chamber generate a pressurized gas and inflate to the air to be inflated, so that the variable pressure pump has the effect of rapid inflation; The variable pressure pump is located at the second position, the gas contained in the first air chamber is released, and only the second air chamber generates pressurized gas and inflates to the object to be inflated, so that the user can easily push and pull the handle and The gas to be inflated is pumped to a high pressure. Usually, bicycle enthusiasts have at least two different types of bicycles, such as mountain bikes and snowmobiles, but the two are suitable for different tire pressures, the former is between 40 and 65 psi, and the latter is only between 8 and 20 psi. There is a huge gap between the two tire pressures. The variable pressure pump can be switched to the first position or the second position according to the type of bicycle, but the control member is a slider and is located at one end of the buckle away from the handle, so that the user cannot easily notice The variable pressure pump is located at the first position or the second position, and is pumped by a variable pressure pump located at a position unsuitable for the type of bicycle, for example, using a variable pressure pump located at the first position to laboriously The tires of the mountain bike are pumped to high pressure, or the variable pressure pump in the second position is used to inflate the tires of the snowmobile.

In view of the above problems of the prior art, which cannot be effectively solved and overcome, the present applicant has filed this patent application to solve the aforementioned problems.

The problem to be solved by the present invention is that the variable pressure pump can be switched to the first position or the second position along with the type of bicycle, but the control member is a slider and is located away from the handle. At one end, the user cannot easily notice that the variable pressure pump is in the first position or the second position, and the air is pumped by a variable pressure pump located at a position where the bicycle type is not suitable.

An air pump having a rapid inflation and a high-pressure pumping function, comprising: an air pumping group, comprising: a first air chamber, a second air chamber, a gas flow path, a first one-way valve and a second one-way a valve, the first air chamber is connected to the first one-way valve, the second air chamber is connected to the gas flow path and is connected to the second one-way valve, and the first air chamber and the second air chamber are respectively capable of generating a pressure gas The pressure gas of the first air chamber can pass through the first one-way valve, and the pressure gas of the second air chamber can pass through the second one-way valve; a gas transmission group including a gas transmission passage and an inflatable member The gas passage is connected to the first one-way valve, the second one-way valve and the inflatable member, and the air passage unidirectionally communicates the first air chamber and the second air chamber to receive the first air chamber And the pressure gas of the second air chamber, the inflatable member can be connected to the object to be inflated; a pressure conversion device comprising a pressure relief valve, a pressure gauge and a rotor group, the pressure relief valve being disposed in the gas flow passage The pressure gauge is interconnected with the rotor set and rotatable relative to the pumping group, the rotor package a gas transmission hole and a pressure receiving portion, the gas transmission passage of the gas transmission group is connected to the pressure gauge through an air supply hole of the rotor group, and the pressure pressing portion is selectively pressed against the pressure gauge The pressure relief valve vents the gas in the gas flow path.

The pump having a rapid inflation and high-pressure pumping function has a first position and a second position. When the pump having the rapid inflation and high-pressure pumping function is located at the first position, the pressing portion is away from the pressure relief valve. The gas in the second gas chamber is prevented from being discharged, and the first gas chamber and the second gas chamber respectively generate a pressure gas and meet the gas transmission group through the first one-way valve and the second one-way valve. The air passage is successively branched to the air inflator and the air hole of the rotor group, the pressure gauge displays a pressure value, the air pump has a quick inflation effect and is suitable for snow tire tire inflation; when the air has rapid inflation and high pressure a functioning pump is located at the second position, the pressing portion is pressed against the pressure relief valve to allow gas in the second air chamber to escape, and only the first air chamber generates pressure gas to pass through the first one-way valve The gas passage entering the gas transmission group is successively branched to the gas venting hole of the gas-filling member and the rotor group, and the pressure gauge displays a pressure value, and the gas pump has the function of high-pressure airing and is suitable for charging the mountain bike tire. The user only needs to rotate the pressure gauge so that the pressing portion selectively presses against the pressure relief valve as the pressure gauge rotates, and the pump having the rapid inflation and high pressure pumping function can be in the first position. Switching between the second position and easily recognizing the position of the pump having the fast inflation and high pressure pumping function.

The technology, means and functions of the present invention are described in detail with reference to the accompanying drawings.

Refer to Figures 1 to 6. The pump having the rapid inflation and high-pressure pumping function comprises a pumping group 10, a gas-storing group 20 and a pressure conversion device 30, the pumping group 10 is connected to the gas-storing group 20, and the pressure-converting device 30 is connected to the pumping unit. 10 and the gas delivery group 20, the gas pumping group 10 is capable of generating a pressurized gas, and the pressurized gas flows to the gas delivery group 20 and the pressure conversion device 30, and the gas delivery group 20 injects pressurized gas into the gas to be inflated. The conversion device 30 is capable of measuring the pressure value of the pressurized gas.

The pumping group 10 includes a cylinder 11, a cover member 12, a body 13, a shifting rod 14, a first piston 15, a through rod 16, a second piston 17, a first check valve 18 and a first Two check valves 19. One end of the cylinder 11 is connected to the gas transmission group 20, and the cover member 12 and the block body 13 are respectively disposed at opposite ends of the cylinder body 11. The block body 13 is received at the end of the cylinder body 11 adjacent to the gas transmission group 20. The ejector lever 14 is disposed in the inner periphery of the cylinder member 11 and the first piston 15 is slidably disposed on the inner edge of the cylinder body 11. The through rod 16 is disposed on the block. The body 13 extends through the first piston 15, and the through rod 16 and the second piston 17 are received on the inner edge of the push rod 14 and are connected to each other such that the push rod 14 can be opposite to the through rod 16 and the second The piston 17 is slid, and the first check valve 18 and the second check valve 19 are disposed on the block 13.

The cover member 12 includes an open slot 121, a first through hole 122 and a second through hole 123. The open slot 121 is located between the tubular body 11 and the first through hole 122. The open slot 121 communicates with the outside. The first through hole 122 communicates with the open slot 121 and the second through hole 123. The first through hole 122 has a circular cross section and extends along a virtual axis L1 perpendicular to a direction in which the cylinder 11 extends. The extending direction of the two through holes 123 is perpendicular to the virtual axis L1.

The block body 13 includes a first valve hole 131 and a second valve hole 132. The first valve hole 131 and the second valve hole 132 respectively penetrate the block body 13. The first valve hole 131 is connected to the through rod at one end. 16. The first valve hole 131 receives the first one-way valve 18 opposite to one end of the through rod 16 , and the second valve hole 132 accommodates the second one-way valve 19 . The second valve hole 132 includes a first segment 1321, a second segment 1322 and a third segment 1323. The second segment 1322 is located between the first segment 1321 and the third segment 1323. The first segment 1321 The second valve hole 132 is located adjacent to one end of the first piston 15 , and the third portion 1323 is located at the second valve hole 132 adjacent to one end of the gas delivery group 20 and accommodates the second one-way valve 19 .

The accommodating space 141 and the accommodating portion 142 are respectively located at opposite ends of the ejector lever 14 , and the first piston 15 is disposed adjacent to the ejector lever 14 . One end of the accommodating space 141, the through rod 16 and the second piston 17 are slidably received in the accommodating space 141, and the grip portion 142 is held by a user. The through hole 16 has a through hole 161 extending through the opposite ends of the through rod 16 and communicating with the accommodating space 141 and the first valve hole 131.

The first one-way valve 18 includes a first sealing body 181 and a first elastic element 182. The first sealing body 181 is disposed at one end of the first valve hole 131 adjacent to the through rod 16. The first elastic element 182 The first valve hole 131 is disposed adjacent to one end of the gas delivery group 20 and elastically abuts the first sealing body 181 such that the first sealing body 181 can hermetically seal the first valve hole 131. The second one-way valve 19 includes a second sealing body 191 and a second elastic member 192. The second sealing body 191 is disposed at a third end 1323 of the second valve hole 132 adjacent to one end of the second portion 1322. The second elastic member 192 is disposed at a third end 1323 of the second valve hole 132 adjacent to one end of the gas transmission group 20 and elastically abuts the second sealing body 191, so that the second sealing body 191 can be airtight. The second valve hole 132.

The air pumping unit 10 includes a first air chamber 101, a second air chamber 102 and a gas flow passage 103. The accommodating space 141, the second piston 17 and the through hole 161 of the through rod 16 form the first portion. An air chamber 101 communicates with the first valve hole 131, the inner edge of the cylinder 11, the block 13 and the outer edge of the through rod 16, and the second air chamber 102 is formed between the first piston 15 and communicates with a first section 1321 of the second valve hole 132, the gas flow path 103 is located on one side of the cylindrical body 11 and parallel to the cylindrical body 11 and extends into the open groove 121 of the cover member 12, and the gas flow path 103 communicates with the The second section 1322 of the second valve bore 132 allows the second plenum 102 to communicate with the gas flow passage 103.

The gas delivery unit 20 includes a base 21, an air guiding block 22, a gas supply pipe 23 and an inflatable member 24. The base 21 is coupled to the cylindrical body 11 adjacent to one end of the block body 13, and the air guiding block 22 is accommodated. Inside the base 21, the air pipe 23 and the inflatable member 24 are respectively connected to the air guiding block 22, and the air pipe 23 is parallel to the gas flow path 103 and connected to the second through hole 123 of the cover member 12. The inflatable member 24 includes a mouth portion 241 and a tube portion 242. The opposite ends of the tube portion 242 are respectively connected to the mouth portion 241 and the air guiding block 22, and the mouth portion 241 can be connected to the object to be inflated. The gas delivery unit 20 includes a gas transmission passage 201 that penetrates the gas guide block 22 and the gas delivery tube 23 and communicates with the first valve hole 131 and the third valve portion 132 of the second valve hole 132. The tube portion 242 of the inflatable member 24 and the second through hole 123 of the cover member 12, such that the air passage 201 unidirectionally communicates with the first air chamber 101 and the second air chamber 102 to receive the first air chamber 101 The pressure gas with the second gas chamber 102.

The pressure conversion device 30 includes a pressure relief valve 31, a pressure gauge 32, a rotor assembly 33 and a positioning group 34. The pressure relief valve 31 is disposed at one end of the gas flow passage 103 adjacent to the opening groove 121 of the cover member 12. The gas flow path 103 can be hermetically sealed, and the pressure gauge 32 is connected to the rotor group 33. The rotor group 33 rotatably penetrates the first through hole 122 of the cover member 12, and the rotor group 33 and the pressure The table 32 can be rotated about the virtual axis L1 such that the rotor group 33 is selectively pressed against the pressure relief valve 31 to vent the gas in the gas flow path 103, and the positioning group 34 is disposed on the cover member. Between the pressure gauge 32 and the pressure gauge 32, the positioning set 34 can position the pressure gauge 32 relative to the cover member 12.

The pressure relief valve 31 includes a base 311, an airtight rod 312, a top abutting member 313 and an elastic body 314. The base 311 is disposed at one end of the gas flow path 103 adjacent to the open groove 121 and is provided with a through hole 3111. The airtight rod 312 is disposed through the through hole 3111 of the base 311. The top abutting member 313 is disposed at one end of the airtight rod 312 adjacent to the open slot 121. The airtight rod 312 is disposed away from one end of the top abutting member 313. a sealing portion 3121, the elastic body 314 is sleeved between the base 311 and the top abutting member 313, and the elastic body 314 is elastically pressed against the abutting member 313, so that the airtight rod The sealing portion 3121 of the 312 abuts against the base 311 to hermetically seal the gas flow passage 103. The rotor assembly 33 rotates along the virtual axis L1 to selectively press against the abutting member 313. In this embodiment, the through hole 3111 of the base 311 extends in a direction perpendicular to the virtual axis L1, and the airtight rod 312 is pressed by the rotor group 33 to approach or away from the virtual axis L1.

The pressure gauge 32 includes at least one aperture 321 , a first pressure display portion 322 and a second pressure display portion 323 . The at least one aperture 321 is disposed adjacent to one end of the pressure gauge 32 , the first The pressure display unit 322 and the second pressure display unit 323 are respectively disposed on opposite sides of the pressure gauge 32. The first pressure display unit 322 and the second pressure display unit 323 have different pressure display action scales. In this embodiment, the upper and lower limits of the first pressure display portion 322 are in the range of 0 to 15 psi, and are divided into 15 grids, and 0 and 15 are the same position, and the upper and lower limits of the second pressure display portion 323 are 0. ~100 psi is divided into 20 grids, and 0 and 100 are respectively located on opposite sides of the second pressure display portion 323.

The rotor assembly 33 includes a gas transmission hole 331 , a rotating shell 332 and a mandrel 333 . The mandrel 333 extends through the rotating shell 332 , and the air inlet hole 331 extends through the rotating shell 332 and the spindle 333 . The 332 has a pressing portion 3321, a rotating portion 3322 and a through hole 3323. The pressing portion 3321 is eccentrically connected to the rotating portion 3322. The pressing portion 3321 is rotatably received in the opening groove 121 and selectively pressed. The rotating portion 3322 rotatably extends through the through hole 122 of the pressure relief valve 31. The through hole 3323 extends through the pressing portion 3321 and the rotating portion 3322 along the virtual axis L1. The shaft 333 extends through the through hole 3323 of the rotating shell 332 and connects the end of the pressure gauge 32 adjacent to the at least one bore 321 . The rotating shell 332 , the spindle 333 and the pressure gauge 32 can be pivoted by the virtual axis L1 . Rotating, the air vent 331 extends through the rotating portion 3322 of the rotating case 332 and the mandrel 333 to communicate the pressure gauge 32 and the air passage 201. In this embodiment, the pressing portion 3321 of the rotating shell 332 is circular and has a center in a cross section perpendicular to the virtual axis L1, and a center line L2 passes through the center of the pressing portion 3321 and is separated from the virtual axis L1. The distance H is located on a side of the pressure gauge 32 adjacent to the first pressure display portion 322.

The positioning group 34 includes a positioning plate 341, at least one positioning member 342 and at least one elastic member 343. The positioning plate 341 is disposed on an end surface of the cover member 12 adjacent to the first through hole 122. The positioning plate 341 includes at least one positioning. The at least one positioning member 342 and the at least one elastic member 343 are received in the at least one hole 321 of the pressure gauge 32. The at least one positioning member 342 is located between the positioning plate 341 and the at least one elastic member 343. The at least one positioning member 342 elastically abuts against at least one positioning hole 3411 of the positioning plate 341 to position the pressure gauge 32 relative to the cover member 12. In the embodiment, the pressure gauge 32 is provided with two holes 321 . The positioning group 34 includes two positioning members 342 and two elastic members 343 . One of the two positioning members 342 and one of the two elastic members 343 are disposed. The positioning member 341 has two positioning holes 3411, and the two positioning members 342 are disposed in the one of the two holes 321 . One of the two positioning holes 3411 is elastically abutted, and the other positioning member 342 elastically abuts against the other positioning hole 3411. Each of the positioning members 342 is a spherical body.

Refer to Figures 5 to 12. The pump having a quick inflation and high pressure pumping function has a first position (Fig. 5, Fig. 6) and a second position (Fig. 10, Fig. 12), and the pump having the fast inflation and high pressure pumping function is located at the In the first position, the first pressure display portion 322 of the pressure gauge 32 faces the grip portion 142 of the shift rod 14 , and the pressing portion 3321 of the rotor group 33 is away from the pressure relief valve 31, so that the airtight rod 312 is sealed. The portion 3121 abuts the base 311 adjacent to one end of the gas flow passage 103; when the pump having the rapid inflation and high pressure pumping function is located at the second position, the second pressure display portion 323 of the pressure gauge 32 faces the shift lever The holding portion 142 of the rotor portion 33 of the rotor group 33 abuts against the abutting member 313 of the pressure relief valve 31 such that the sealing portion 3121 of the airtight rod 312 is away from the base 311.

When the user uses the pump having the rapid inflation and high-pressure pumping function at the first position, the grip portion 142 of the push rod 14 is gripped and the push rod 14 and the first piston 15 are opposed to the barrel The body 11 slides, and the sealing portion 3121 of the airtight rod 312 abuts against the base 311, so that the gas flow in the second air chamber 102 cannot be airtight through the pressure relief valve 31, and the first air chamber 101 A pressure gas is generated with the second gas chamber 102. The pressure gas of the first gas chamber 101 is pushed against the first sealing body 181 of the first one-way valve 18 and passes through the first valve hole 131, and the pressure gas of the second gas chamber 102 is pushed against the second one-way. The second sealing body 191 of the valve 19 passes through the second valve hole 132, and the pressure gas of the first air chamber 101 and the pressure gas of the second air chamber 102 meet the gas transmission passage 201 of the gas transmission group 20, which The pressure gas of the gas passage 201 is successively branched to the second through hole 123 of the cover member 12 and the inflatable member 24. The pressure gas of the second through hole 123 flows into the air inlet hole 331 of the rotor group 33 to enter the pressure gauge 32, and the pressure value of the pressure gas is displayed on the first pressure display portion 322 of the pressure gauge 32 for the user. It is observed that the mouth 241 of the inflatable member 24 is connected to the object to be inflated.

When the user converts the pump having the rapid inflation and high pressure pumping function from the first position to the second position and uses it, firstly, the pressure gauge 32 is pulled to rotate the virtual axis L1 relative to the cover member 12, The second pressure display portion 323 of the pressure gauge 32 faces the user, and the pressing portion 3321 of the rotor group 33 is pressed against the top contact 313 of the pressure relief valve 31 as the pressure gauge 32 rotates, so that the airtightness is made. The sealing portion 3121 of the rod 312 is away from the base 311. Then, the grip portion 142 of the push rod 14 is gripped so that the push rod 14 and the first piston 15 slide relative to the barrel 11, but the gas in the second air chamber 102 flows to the gas flow path 103. And leaking through the through hole 3111 of the base 311, only the first gas chamber 101 generates pressurized gas. The pressure gas of the first air chamber 101 is pushed against the first sealing body 181 of the first one-way valve 18 and passes through the first valve hole 131 and flows to the gas transmission passage 201 of the gas transmission group 20, the second gas The gas in the chamber 102 cannot generate pressure and cannot push against the second sealing body 191 of the second check valve 19. The pressure gas of the gas passage 201 is branched to the second through hole 123 of the cover member 12 and the inflatable member 24, and the pressure gas of the second through hole 123 flows to the air inlet hole 331 of the rotor group 33 to enter the pressure. Table 32, and the pressure value of the pressure gas is displayed on the second pressure display portion 323 of the pressure gauge 32 for the user to observe, and the mouth portion 241 of the inflatable member 24 is connected to the object to be inflated.

Reference is made to Figures 11, 13, and 14. When the pump having the rapid inflation and high-pressure pumping function is located at the second position, the pressing portion 3321 of the rotor group 33 is pressed against the abutting member 313 of the pressure relief valve 31 such that the sealing portion 3121 of the airtight rod 312 Along from the base 311, the push rod 14 and the first piston 15 slide relative to the barrel 11, and the gas in the second air chamber 102 flows to the gas flow path 103 and passes through the through hole 3111 of the base 311. The opening groove 121 of the cover member 12 is entered and continues to flow to the outside to leak.

In summary, the inflator of the present invention having a fast inflation and high pressure pumping function has the following advantages:

1. When the pump having the rapid inflation and high pressure pumping function is located at the first position, the first pressure display portion 322 of the pressure gauge 32 faces the grip portion 142 of the shift lever 14, and the pressing portion of the rotor group 33 3321 is away from the pressure relief valve 31, such that the sealing portion 3121 of the airtight rod 312 abuts the base 311 adjacent to one end of the gas flow passage 103, and the first air chamber 101 and the second air chamber 102 can generate pressure gas And pumping together to be inflated to have a quick inflation function; when the pump having the rapid inflation and high pressure pumping function is located at the second position, the second pressure display portion 323 of the pressure gauge 32 faces the grip of the shift lever 14 The holding portion 142, the pressing portion 3321 of the rotor group 33 abuts against the topping member 313 of the pressure relief valve 31, so that the sealing portion 3121 of the airtight rod 312 is away from the base 311, only the first air chamber 101 The pressure gas can be generated so that the user can easily inflate the object to be inflated to a high pressure. The user only needs to rotate the pressure gauge 32 so that the pressing portion 3321 is selectively pressed against the pressure relief valve 31 as the pressure gauge 32 rotates, so that the pump having the rapid inflation and high pressure pumping function can be used. The first position is changed between the first position and the second position.

2. The first pressure display unit 322 and the second pressure display unit 323 respectively have different pressure display action scales. The upper and lower limits of the first pressure display portion 322 are in the range of 0 to 15 psi, and are divided into 15 grids, and 0 and 15 are at the same position, so that the first pressure display portion 322 is suitable for pumping tires of snow tires. The upper limit of the second pressure display portion 323 ranges from 0 to 100 psi, and is divided into 20 grids. The 0 and 100 are respectively located on opposite sides of the second pressure display portion 323, so that the second pressure display portion 323 is suitable for a mountain bike. The tires are pumping up. When the pump having the rapid inflation and high-pressure pumping function is located at the first position, the first pressure display portion 322 is facing the grip portion 142 of the shift lever 14 for the user to observe, and the mouth portion 241 of the inflatable member 24 is connected. Quickly inflating the tire of the snowmobile or the low-pressure tire of the mountain bike; when the pump having the rapid inflation and high-pressure pumping function is located at the second position, the second pressure display portion 323 faces the grip portion of the shift lever 14 142 is for the user to observe, the mouth 241 of the inflatable member 24 is connected to the tire of the mountain bike to pump the tire to a high pressure.

3. When the first pressure display portion 322 faces the user, the pump having the rapid inflation and high pressure pumping function is located at the first position, and when the second pressure display portion 323 faces the user, the rapid inflation and high pressure are provided. The pumping function of the pumping function is located in the second position. The user can easily recognize the position of the pump having the fast inflation and high pressure pumping function, and can pump the suitable bicycle type tire.

4. The cover member 12 and the block body 13 are respectively disposed on opposite sides of the barrel body 11. The cover member 12 is away from the gas delivery group 20, and the block body 13 is adjacent to the gas delivery group 20, and the push rod 14 is penetrated. The cover member 12 is connected to the first piston 15 . The push rod 14 and the first piston 15 are slidably disposed on the inner edge of the cylinder 11 . The through rod 16 is disposed on the block 13 and penetrates the first piston 15 . And connecting the second piston 17, the through rod 16 and the second piston 17 are received on the inner edge of the sliding rod 14 so that the sliding rod 14 can slide relative to the through rod 16 and the second piston 17. The first check valve 18 and the second check valve 19 are disposed on the block 13 . The first air chamber 101 and the second air chamber 102 are accommodated in the cylinder 11 by the foregoing component arrangement, and the volume of the pump having the fast inflation and high pressure air pumping function is reduced, thereby facilitating carrying and storing. .

However, the above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, and the numerical values are changed or the equivalent elements are replaced, or the equivalent range of the patent application scope of the present invention is changed. And modifications should still fall within the scope of the invention patent.

10‧‧‧Air pumping group
101‧‧‧First air chamber
102‧‧‧Second chamber
103‧‧‧ gas flow path
11‧‧‧Cylinder
12‧‧‧Cleaning pieces
121‧‧‧Open slot
122‧‧‧First through hole
123‧‧‧Second through hole
13‧‧‧ Block
131‧‧‧First valve hole
132‧‧‧Second valve hole
1321‧‧‧ first paragraph
1322‧‧‧second paragraph
1323‧‧‧3rd paragraph
14‧‧‧Change lever
141‧‧‧ accommodating space
142‧‧‧ grip
15‧‧‧First Piston
16‧‧‧through
161‧‧‧through holes
17‧‧‧Second Piston
18‧‧‧First check valve
181‧‧‧First seal
182‧‧‧First elastic element
19‧‧‧Second check valve
191‧‧‧Second seal
192‧‧‧Second elastic element
20‧‧‧ Gas Transmission Group
201‧‧‧ gas channel
21‧‧‧Base
22‧‧‧Gas block
23‧‧‧ gas pipeline
24‧‧‧Inflatable parts
241‧‧‧ mouth
242‧‧‧ Department of Tube
30‧‧‧Pressure conversion device
31‧‧‧Relief valve
311‧‧‧Base
3111‧‧‧Perforation
312‧‧‧ Airtight rod
3121‧‧‧ Sealing Department
313‧‧‧Parts
314‧‧‧ Elastomers
32‧‧‧ Pressure gauge
321‧‧‧ hole
322‧‧‧First Pressure Display Department
323‧‧‧Second pressure display
33‧‧‧Rotor group
331‧‧‧ Vents
332‧‧‧Rotating shell
3321‧‧‧Fist
3322‧‧‧Rotating Department
3323‧‧‧Perforation
333‧‧‧ mandrel
34‧‧‧ positioning group
341‧‧‧ Positioning board
3411‧‧‧Positioning holes
342‧‧‧ positioning parts
343‧‧‧Flexible parts
H‧‧‧ distance
L1‧‧‧ virtual axis
L2‧‧‧ center line

Fig. 1 is a perspective view showing the first position of the inflator with the rapid inflation and high-pressure pumping function of the present invention, showing that the inflator is in the first position.

2 is a partial exploded perspective view of the inflator with rapid inflation and high pressure pumping function of the present invention.

Fig. 3 is a partial exploded perspective view of the inflator with rapid inflation and high pressure pumping function taken from another angle of view.

Figure 4: A partial cross-sectional view taken from Figure 1.

Figure 5: Another partial cross-sectional view taken from Figure 1.

Figure 6: A partial enlarged view taken from Figure 5.

Figure 7 is a schematic view showing the use of the pump having the rapid inflation and high-pressure pumping function in the first position, showing that the shifting rod slides in the direction of the double arrow, and the pressure gas of the first air chamber and the second air chamber is along the arrow The direction flows.

Fig. 8 is a schematic view showing another use of the pump having the rapid inflation and high-pressure pumping function of the present invention, showing that the pressure gauge is rotated along the arrow to change the pump from the first position to the second position. Figure 9 is a continuation of Figure 8 showing the pump in a second position. Figure 10 is a cross-sectional view showing the pump having the rapid inflation and high pressure pumping function in the second position of the present invention. Figure 11 is a schematic view showing the use of the pump having the rapid inflation and high-pressure pumping function in the second position, showing that the shifting rod slides in the direction of the double arrow, and the pressure gas of the first air chamber and the second air chamber is along the arrow The direction flows. Figure 12: A partial enlarged view taken from Figure 11. Fig. 13 is a schematic view showing another use of the pump having the rapid inflation and high-pressure pumping function in the second position, showing that the shifting rod slides in the direction of the double arrow, and the pressure gas of the second air chamber flows in the direction of the arrow. Figure 14: A partial enlarged view taken from Figure 13.

10‧‧‧Air pumping group

101‧‧‧First air chamber

102‧‧‧Second chamber

103‧‧‧ gas flow path

11‧‧‧Cylinder

12‧‧‧Cleaning pieces

13‧‧‧ Block

131‧‧‧First valve hole

132‧‧‧Second valve hole

1321‧‧‧ first paragraph

1322‧‧‧second paragraph

1323‧‧‧3rd paragraph

14‧‧‧Change lever

141‧‧‧ accommodating space

142‧‧‧ grip

15‧‧‧First Piston

16‧‧‧through

161‧‧‧through holes

17‧‧‧Second Piston

18‧‧‧First check valve

181‧‧‧First seal

182‧‧‧First elastic element

19‧‧‧Second check valve

191‧‧‧Second seal

192‧‧‧Second elastic element

20‧‧‧ Gas Transmission Group

201‧‧‧ gas channel

21‧‧‧Base

22‧‧‧Gas block

23‧‧‧ gas pipeline

242‧‧‧ Department of Tube

30‧‧‧Pressure conversion device

31‧‧‧Relief valve

32‧‧‧ Pressure gauge

322‧‧‧First Pressure Display Department

323‧‧‧Second pressure display

Claims (9)

An air pump having a rapid inflation and a high-pressure pumping function, comprising: a pumping unit, comprising a first air chamber, a second air chamber, a gas flow passage, a cylinder, a cover member, and a first single a valve and a second one-way valve, the cylinder accommodating the first air chamber, the second air chamber, the first one-way valve and the second one-way valve, the gas flow channel is located in the cylinder On one side, the cover member is connected to the cylindrical body and includes an open slot, a first through hole and a second through hole, the first through hole communicates with the open slot and the second through hole, and the first air chamber is connected The first one-way valve, the second air chamber is connected to the gas flow passage and connected to the second one-way valve, and the first air chamber and the second air chamber are respectively capable of generating a pressure gas, and the pressure of the first air chamber Gas can pass through the first one-way valve, the pressure gas of the second air chamber can pass through the second one-way valve; a gas transmission group, comprising a gas transmission passage and an inflatable member, the gas transmission passage connecting the first a one-way valve, the second one-way valve and the inflatable member, the gas passage unidirectionally communicating with the first air chamber and the second air chamber to receive the a gas chamber and a pressure gas of the second gas chamber, the gas fitting can be connected to the gas to be inflated; a pressure conversion device comprising a pressure relief valve, a pressure gauge and a rotor group, the pressure relief valve being disposed in the gas flow a pressure gauge that is interconnected with the rotor set and rotatable relative to the pumping group, the rotor set including an air venting hole and a pressing portion, the rotor group rotatably extending through a virtual axis a first through hole, and the pressure receiving portion of the rotor group and the pressure relief valve are accommodated in the open groove, and the gas passage of the gas transmission group communicates with the second through hole and communicates through the gas transmission hole of the rotor group The pressure gauge selectively presses the pressure relief valve to release the gas in the gas flow passage as the pressure gauge rotates. The pump of claim 1, wherein the rotor assembly comprises a rotating shell and a mandrel, the rotating shell having the pressing portion, a rotating portion and a through hole, the pressing portion The rotating portion is eccentrically connected, and the through hole penetrates the pressing portion and the rotating portion. The rotating portion is rotatably disposed on the first through hole, and the spindle passes through the through hole of the rotating shell and connects the pressure gauge. The The rotating shell, the mandrel and the pressure gauge are rotatable about the virtual axis, and the air inlet communicates with the pressure gauge and the gas passage through the rotating shell and the spindle. The pump of claim 2, wherein the pressure relief valve comprises a base, an airtight rod, a top abutting member and an elastic body, and the base is disposed in the gas flow path. And a perforation is provided, the airtight rod slidably passes through the through hole of the base, and the airtight rod is disposed adjacent to one end of the gas flow path with a sealing portion capable of abutting the base and being airtight. a gas flow passage, the top abutting member is disposed at one end of the airtight rod adjacent to the open groove, the elastic body sleeves the airtight rod and is located between the base and the top abutting member, and the pressing portion of the rotating shell The virtual axis is rotated about the axis to selectively press against the top of the pressure relief valve. The pump of claim 3, wherein the pressing portion of the rotating shell has a circular cross section perpendicular to the virtual axis and has a center, and a center line passes through the center of the pressing portion. And spaced apart from the virtual axis, the perforation extending direction of the base is perpendicular to the virtual axis, and the airtight rod is slidable relative to the perforation to be close to or away from the virtual axis. The pump having a rapid inflation and high-pressure pumping function according to any one of claims 1 to 4, wherein the pressure conversion device comprises a positioning group, the positioning group comprising a positioning plate, at least one positioning member and at least one elastic The positioning plate is disposed on the end surface of the cover member adjacent to the first through hole and includes at least one positioning hole, the pressure gauge has at least one hole, the at least one hole receiving the at least one positioning member and the at least one The at least one positioning member is located between the at least one positioning hole of the positioning plate and the at least one elastic member, so that the at least one positioning member elastically abuts the at least one positioning hole to position the pressure gauge and the cover member Relative position. The pump of claim 5, wherein the pressure gauge has a first pressure display portion and a second pressure display portion, the first pressure display portion and the first The two pressure display portions are respectively disposed on opposite sides of the pressure gauge, and the first pressure display portion and the second pressure display portion respectively have different pressure display action scales. The pump having a rapid inflation and high-pressure pumping function according to any one of claims 1 to 4, wherein the pumping unit comprises a shifting lever, a first piston, a through rod and a second piston, the shifting rod and The first piston is connected to each other and penetrates the cover member and is slidably disposed on the inner edge of the cylinder. The push rod has an accommodating space, and the through pipe penetrates the first piston, and the through rod and the second piston are accommodated. The through hole has a through hole that communicates with the accommodating space and connects the first one-way valve, the second piston, the accommodating space, the through hole, and the first Forming the first air chamber between a one-way valve, the inner edge of the cylinder, the first piston, the outer edge of the through rod, and the second one-way valve form the second air chamber, the shifting rod The gas in the first gas chamber and the second gas chamber can be compressed with respect to the sliding of the cylinder. The pump of claim 7, wherein the pumping unit further comprises a body disposed on the end of the cylinder opposite to the shifting rod, the block having a first a valve hole and a second valve hole, the first valve hole accommodating the first one-way valve, the second valve hole accommodating the second one-way valve, the through rod is disposed on the first valve hole of the block The first valve hole communicates with the first air chamber and the air passage, and the second valve hole communicates with the second air chamber and the air passage. The pump of claim 8, wherein the second valve hole of the block comprises a first segment, a second segment and a third segment, wherein the second segment is located at the first Between a segment and the third segment, the first segment communicates with the second plenum, the third segment houses the second one-way valve and communicates with the gas passage, and the second segment communicates with the gas flow passage.