CN220667741U - Pedal inflator - Google Patents
Pedal inflator Download PDFInfo
- Publication number
- CN220667741U CN220667741U CN202322239927.8U CN202322239927U CN220667741U CN 220667741 U CN220667741 U CN 220667741U CN 202322239927 U CN202322239927 U CN 202322239927U CN 220667741 U CN220667741 U CN 220667741U
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- Prior art keywords
- pedal
- support frame
- force transmission
- support column
- air cylinder
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- 230000005540 biological transmission Effects 0.000 claims description 42
- 230000000994 depressogenic effect Effects 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 abstract description 5
- 241001391944 Commicarpus scandens Species 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
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- Mechanical Control Devices (AREA)
Abstract
The utility model discloses a pedal inflator, which comprises a support frame, wherein the support frame comprises a front support frame and a rear support frame, and the rear support frame is connected to the front support frame through a connecting rod; the middle part of the front support frame is provided with a support column, the left side and the right side of the upper part of the support column are respectively provided with pedal support pieces, each pedal support piece is respectively and rotatably connected with the front part of the pedal, and the bottom surface of each pedal support piece is abutted against the rear support frame when the pedal is fully stepped on; each pedal is connected with an air cylinder, one end of the air cylinder is rotationally connected with the bottom of the pedal, the other end of the air cylinder is rotationally connected with the front supporting frame, and an air outlet of the air cylinder is connected to an air pipe. The footboard and the cylinder are respectively arranged at the two sides of the support column in parallel, the arrangement similar to a stepping machine enables a user to not easily generate unstable gravity center when stepping on, the footboard is not easy to break, and the safety of the inflating process is higher.
Description
Technical Field
The utility model relates to the technical field of inflators, in particular to a pedal inflator.
Background
Most of the existing inflators are of a drawing type, the piston is drawn by an arm, air is sucked into the cylinder, and then the air is injected into the tire or the ball body in a pushing mode. Because the traditional manual pulling type inflator is laborious to use, some foot-operated inflators also exist, which utilize self-gravity to inflate the tire or ball.
For example, CN102400885a discloses a dual-pedal inflator, when in use, a person steps on a pedal, the pedal can swing up and down around a support shaft by stepping on the feet, gravity of a human body is converted into pressure through a connecting rod and a piston, gas in a cylinder is pressurized, and the pressurized gas enters a gas storage tank through a conduit for storage. The guide pipe is provided with a gas check valve for preventing gas from flowing back, the gas outlet guide pipe of the gas storage tank is provided with a stop valve, the gas outlet pipe is connected to a gas receiving object, and the gas receiving object can be inflated by opening the stop valve.
According to the scheme, the two cylinders of the inflator are in crossed design, the tilted pedal is adopted, and the design of the structure enables a person to stand on the pedal to easily make the gravity center unstable when inflating, and the pedal is easy to break.
Disclosure of Invention
The utility model aims to solve the technical problems that the structure of the existing double-pedal inflator is not stable enough and the safety is not high enough during use.
In order to solve the technical problems, the utility model provides a pedal inflator:
the support frame comprises a front support frame and a rear support frame, wherein the rear support frame is connected to the front support frame through a connecting rod;
the middle part of the front support frame is provided with a support column, the left side and the right side of the upper part of the support column are respectively provided with pedal support pieces, each pedal support piece is respectively and rotatably connected with the front part of the pedal, and the bottom surface of each pedal support piece is abutted against the rear support frame when the pedal is fully stepped on;
each pedal is connected with an air cylinder, one end of the air cylinder is rotationally connected with the bottom of the pedal, the other end of the air cylinder is rotationally connected with the front supporting frame, and an air outlet of the air cylinder is connected to an air pipe.
Preferably, the middle part of the rear support frame is connected to the upper part of the pillar by a link.
Preferably, the two pedals are connected by a force transmission means for transmitting a force between the two pedals.
Preferably, the force transmission device comprises a force transmission wheel connected to the support column, a sliding groove is formed in the outer edge of the force transmission wheel, a force transmission rope slides in the sliding groove, and two ends of the force transmission rope are respectively connected with the front bottoms of the two pedals.
Preferably, the force-transmitting wheel is connected to an adjustment member, the adjustment member comprising an adjustment portion and a fixed portion connected thereto, the force-transmitting wheel being connected to and rotatable relative to the fixed portion; the adjusting part is connected with the support column, and the adjusting part can adjust the distance between the fixing part and the support column.
Preferably, the adjusting part is provided as a threaded rod, which penetrates the support column; the pedal inflator is further provided with a fixing cap, and the fixing cap is connected with the front side of the support column through threads at the end part of the threaded rod to fix the threaded rod.
Preferably, the fixing part is in a U-shaped groove shape, and the force transmission wheel is fixed in a notch of the fixing part.
Preferably, the force-transmitting wheel is disposed obliquely downward.
Preferably, when the pedal is in a motion state, the included angle between the pedal which is fully depressed and the horizontal plane is 12-25 degrees, and the included angle between the other tilted pedal and the horizontal plane is 25-35 degrees; when the pedal is in a static state, the included angle between the pedal and the horizontal plane is 3-10 degrees.
Preferably, the pedal surface is provided as a roughened friction surface.
The technical scheme of the utility model has the following beneficial effects:
1) The footboard and the cylinder are respectively arranged at the two sides of the support column in parallel, the arrangement of the pedal-like stepping machine enables a user to not easily generate unstable gravity center when stepping on, the pedal is not easily broken, and the safety of the inflating process is higher.
2) The arrangement of the force transmission device between the two pedals ensures that when one pedal is fully stepped on, the force transmission rope with one end connected with the pedal is subjected to an obliquely upward pulling force, and the pulling force pulls the other pedal to move obliquely downward so as to mutually carry out the force transmission device, so that the force is saved when the two pedals are stepped on.
3) The position of the force transmission wheel can be adjusted according to actual conditions by the arrangement of the adjusting part, for example, when the force transmission rope is loosened relative to the force transmission wheel after a long time, the force transmission wheel can be properly moved backwards relative to the support column, so that the force transmission rope is not separated from the chute; alternatively, when the force-conducting cord is too tight against the runner, the force-conducting wheel can be moved forward relative to the strut as appropriate, thereby ensuring effective conduction of force between the two pedals.
Drawings
Fig. 1 is a front view of a pedal pump in a sport state.
Fig. 2 is a right side view of the pedal pump in a sport state.
Fig. 3 is a left side view of the foot pump in a sport state.
Fig. 4 is a plan view of the pedal pump in a sport state.
Fig. 5 is a front view of the foot pump in a rest condition.
Fig. 6 is a right side view of the foot pump in a stationary state.
Fig. 7 is a left side view of the foot pump in a resting state.
Fig. 8 is a plan view of the foot pump in a stationary state.
Reference numerals:
1-a front support frame; 2-a rear supporting frame; 3-supporting columns; 4-pedal support; 5-pedal; 6-inflator; 7-trachea; 8-connecting rods; 9-sliding grooves; 10-force-conducting ropes; 11-an adjusting part; 12-a fixing part; 13-fixing the cap; 14-force transmission wheel; 15-a cushion pad; 16-an anti-skid sleeve.
Detailed Description
The technical solutions claimed in the present utility model will be further clearly described below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 5, the foot pump in this embodiment includes a support frame including a front support frame 1 and a rear support frame 2, the rear support frame 2 being connected to the front support frame 1 by a link 8. Specifically, a pillar 3 is arranged in the middle of the front support frame 1. In a preferred scheme, the middle part of the rear supporting frame 2 is connected to the upper part of the supporting column 3 through a connecting rod 8, and a triangular structure is formed between the front supporting frame and the rear supporting frame, so that the whole supporting frame is stronger and more stable.
The left and right sides of pillar 3 upper portion are equipped with footboard support piece 4 respectively, every footboard support piece 4 respectively with the front portion rotation of footboard 5 is connected, when footboard 5 is stepped on completely its bottom surface is contradicted back support frame 2. Each pedal 5 is connected with an air cylinder 6, one end of each air cylinder 6 is rotatably connected with the bottom of each pedal 5, the other end of each air cylinder 6 is rotatably connected with the front support frame 1, the air outlet of each air cylinder 6 is connected to a high-pressure air pipe 7, and the high-pressure air pipe is used for connecting a tire, a ball body and other air bags to be inflated. The footboard and the cylinder are respectively arranged at the two sides of the support column in parallel, the arrangement similar to a stepping machine enables a user to not easily generate unstable gravity center when stepping on, the footboard is not easy to break, and the safety of the inflating process is higher.
In a preferred embodiment, the two pedals 5 are connected by a force transmission device for transmitting force between the two pedals 5. Specifically, the force conduction device comprises a force conduction wheel 14 connected to the support column 3, a chute 9 is arranged at the outer edge of the force conduction wheel 14, a force conduction rope 10 slides in the chute 9, two ends of the force conduction rope 10 are respectively connected with the front bottoms of the two pedals 5, and an anti-friction sleeve can be sleeved outside the force conduction rope. When one pedal is fully stepped on, the force transmission rope with one end connected with the pedal is subjected to an obliquely upward pulling force, and the pulling force pulls the other pedal to move obliquely downwards, so that the pedal is mutually stepped on, and the force is saved when the pedal is stepped on by two feet to pump air.
In a preferred embodiment, the force transmission wheel 14 is connected to an adjusting member, the adjusting member comprising an adjusting portion 11 and a fixing portion 12 connected thereto, the force transmission wheel 14 being connected to the fixing portion 12 and being rotatable relative to the fixing portion 12; the adjusting part 11 is connected with the support column 3, and the adjusting part 11 can adjust the distance between the fixing part 12 and the force transmission wheel 14 relative to the support column 3.
In a more preferred version, the adjustment portion 11 is provided as a threaded rod which extends from the rear to the front of the support column 3; the pedal inflator is further provided with a fixing cap 13, the fixing cap 13 is provided with internal threads matched with threads on the surface of the threaded rod, and the fixing cap 13 is in threaded connection with the end part of the threaded rod on the front side of the support column 3 so as to fix the threaded rod.
When the distance between the force transmission wheel 14 and the support is to be adjusted, the fixing cap 13 is unscrewed, the threaded rod is moved toward the front side or the rear side of the support, and the fixing cap 13 is screwed again when the adjustment is made to a proper position. The position of the force transmission wheel can be adjusted according to the actual situation by the arrangement of the adjusting part, for example, when the force transmission rope is loosened relative to the force transmission wheel after a long time, the force transmission wheel can be properly moved backwards relative to the support column, so that the force transmission rope is not separated from the chute 9; or when the force transmission rope is too tight relative to the chute, the force transmission wheel can be properly moved forwards relative to the support column, so that effective force transmission between the two pedals is ensured, and the pedals are inflated more effort-saving.
In a preferred embodiment, the fixing portion 12 is formed in a U-shaped groove shape, and the force transmission wheel 14 is fixed in a notch of the fixing portion 12. Specifically, the connection between the force transmission wheel and the fixing part is realized through shafts penetrating through the upper groove piece of the U-shaped groove, the center of the force transmission wheel and the lower groove piece of the U-shaped groove in sequence. In a more preferred scheme, the force conduction wheel is arranged obliquely downwards so as to play a better limiting effect on the force conduction rope, so that the force conduction rope can slide in the chute better, and the force conduction rope is prevented from sliding off the chute.
In a preferred solution, when the pedal is in a motion state, the included angle between the fully depressed pedal 5 and the horizontal plane is 12-25 degrees, preferably 19 degrees; the other tilted pedal 5 has an angle of 25-35 degrees, preferably 31 degrees, with the horizontal plane. When the pedal is in a static state, the included angle between the pedal and the horizontal plane is 3-10 degrees, preferably 6 degrees. The height of the pedal support from the center of the front support is set to 100-150cm, preferably 135cm.
In a preferred embodiment, the pedal 5 surface is provided as a roughened friction surface to increase the friction of the sole with the pedal. The bottom surface of the pedal 5 is at least provided with a buffer pad 15 at the contact part with the rear supporting frame 2, and the two ends of the front supporting frame 1 and the rear supporting frame 2 are also sleeved with an anti-skid sleeve 16 to increase the friction between the supporting frame and the ground when the supporting frame is placed on the ground.
The above embodiments are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (10)
1. A pedal inflator, characterized by comprising a support frame comprising a front support frame (1) and a rear support frame (2), the rear support frame (2) being connected to the front support frame (1) by a connecting rod (8);
the middle part of the front support frame (1) is provided with a support column (3), the left side and the right side of the upper part of the support column (3) are respectively provided with pedal support pieces (4), each pedal support piece (4) is respectively and rotatably connected with the front part of a pedal (5), and when the pedal (5) is fully stepped on, the bottom surface of the pedal is abutted against the rear support frame (2);
each pedal (5) is connected with an air cylinder (6), one end of each air cylinder (6) is rotatably connected with the bottom of each pedal (5), the other end of each air cylinder is rotatably connected with the front support frame (1), and an air outlet of each air cylinder (6) is connected to an air pipe (7).
2. A pedal inflator according to claim 1, characterized in that the middle part of the rear support frame (2) is connected to the upper part of the prop (3) by a connecting rod (8).
3. A pedal inflator according to claim 2, characterized in that the two pedals (5) are connected by means of force transmission means for transmitting force between the two pedals (5).
4. A pedal inflator according to claim 3, wherein the force transmission means comprises a force transmission wheel (14) connected to the support column (3), a chute (9) is provided at an outer edge of the force transmission wheel (14), a force transmission rope (10) slides in the chute (9), and both ends of the force transmission rope (10) are connected to front bottoms of the two pedals (5), respectively.
5. The pedal inflator according to claim 4, wherein the force transmission wheel (14) is connected to an adjusting member comprising an adjusting portion (11) and a fixing portion (12) connected, the force transmission wheel (14) being connected to the fixing portion (12) and rotatable relative to the fixing portion (12); the adjusting part (11) is connected with the support column (3), and the adjusting part (11) can adjust the distance between the fixing part (12) and the support column (3).
6. The pump according to claim 5, characterized in that the adjustment portion (11) is provided as a threaded rod which extends through the prop (3); the pedal inflator is further provided with a fixing cap (13), and the fixing cap (13) is in threaded connection with the end part of the threaded rod at the front side of the support column (3) so as to fix the threaded rod.
7. The pedal inflator according to claim 5, wherein the fixing portion (12) is provided in a U-shaped groove shape, and the force transmission wheel (14) is fixed in a notch of the fixing portion (12).
8. The foot pump according to claim 4, wherein the force transmitting wheel is disposed obliquely downward.
9. The pedal pump according to any one of claims 1 to 8, characterized in that, when the pedal is in motion, the pedal (5) being fully depressed makes an angle of 12-25 degrees with the horizontal, the other pedal (5) being tilted makes an angle of 25-35 degrees with the horizontal; when the pedal is in a static state, the included angle between the pedal and the horizontal plane is 3-10 degrees.
10. A pedal inflator according to claim 1, characterized in that the pedal (5) surface is provided as a roughened friction surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322239927.8U CN220667741U (en) | 2023-08-21 | 2023-08-21 | Pedal inflator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322239927.8U CN220667741U (en) | 2023-08-21 | 2023-08-21 | Pedal inflator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220667741U true CN220667741U (en) | 2024-03-26 |
Family
ID=90342311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322239927.8U Active CN220667741U (en) | 2023-08-21 | 2023-08-21 | Pedal inflator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220667741U (en) |
-
2023
- 2023-08-21 CN CN202322239927.8U patent/CN220667741U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |