CN213655063U - Foot pump for subway auxiliary pressure air supply - Google Patents
Foot pump for subway auxiliary pressure air supply Download PDFInfo
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- CN213655063U CN213655063U CN202022394342.XU CN202022394342U CN213655063U CN 213655063 U CN213655063 U CN 213655063U CN 202022394342 U CN202022394342 U CN 202022394342U CN 213655063 U CN213655063 U CN 213655063U
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- piston rod
- cylinder body
- auxiliary pressure
- barrel
- pedal
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Abstract
The utility model is suitable for a running-board technical field provides a subway auxiliary pressure is foot pump for air feed, including the barrel, the vertical piston rod that is provided with in the barrel, the piston is installed to the bottom of piston rod, one side intercommunication of barrel has the intake pipe, the opposite side intercommunication of barrel has the outlet duct, all install the check valve on the lateral wall of intake pipe and outlet duct, the outer wall cover of piston rod is equipped with the spring, the one end and the barrel fixed connection of spring, the other end and the running-board fixed connection of spring, have antiskid district one and antiskid district two on the roof of running-board, antiskid district one comprises a plurality of antiskid lines, and a plurality of antiskid lines one all is the zigzag; by arranging the first anti-slip area and the second anti-slip area, the boundary between the first folded anti-slip pattern and the second arc anti-slip pattern is a region with complex lines, so that the friction resistance in each direction is increased, and the phenomenon of slipping when a foot steps on the pedal is prevented; and a channel is arranged between the anti-skid grains, so that the user can clean the pedal conveniently.
Description
Technical Field
The utility model belongs to the technical field of the running-board, especially, relate to a subway is foot pump for auxiliary pressure air feed.
Background
The pedal pump is one of hydraulic pumps, and has the function of converting mechanical energy of a power machine (such as an electric motor, an internal combustion engine and the like) into pressure energy of liquid, and a cam is driven by the electric motor to rotate. When the cam pushes the plunger to move upwards, the sealing volume formed by the plunger and the cylinder body is reduced, and oil is extruded out of the sealing volume and is discharged to a required place through the one-way valve.
When a user steps on the pedal with feet, the phenomenon of slipping often occurs, and the experience of the user is influenced; on the other hand, the current foot pedal is inconvenient for a user to carry.
SUMMERY OF THE UTILITY MODEL
The utility model provides a foot pump for subway auxiliary pressure air supply, which aims to solve the problem that users often slip when stepping on a pedal by feet, thereby affecting the experience of the users; on the other hand, the prior pedal is inconvenient for a user to carry.
The utility model discloses a foot pump for subway auxiliary pressure air supply, which comprises a cylinder body, wherein a piston rod is vertically arranged in the cylinder body, and the piston rod is connected with the cylinder body in a sliding way; the pedal is installed at the top end of the piston rod, the piston is installed at the bottom end of the piston rod, and the outer walls of the two ends of the piston are attached to the inner wall of the cylinder; one side of the cylinder is communicated with an air inlet pipe, and the other side of the cylinder is communicated with an air outlet pipe; the side walls of the air inlet pipe and the air outlet pipe are respectively provided with a one-way valve; a spring is sleeved on the outer wall of the piston rod, one end of the spring is fixedly connected with the barrel, and the other end of the spring is fixedly connected with the pedal; the top wall of the pedal is provided with a first anti-skid area and a second anti-skid area; the first anti-slip area is composed of a plurality of first anti-slip lines, and the first anti-slip lines are all in a folded shape.
Preferably, the second anti-slip area is composed of a plurality of anti-slip lines, and the second anti-slip lines are all arc-shaped.
Preferably, one end of the air outlet pipe, which is far away from the cylinder body, is communicated with an air outlet nozzle; and an air nozzle clamp is arranged on the side wall of the air outlet nozzle.
Preferably, a pressure gauge is mounted on the side wall of the air outlet pipe.
Preferably, the bottom wall of the cylinder body is provided with a supporting seat.
Preferably, the outer walls of the two sides of the cylinder body are provided with connecting pieces; a hanging rope is arranged above the barrel, and two ends of the hanging rope are fixedly connected with the two connecting pieces respectively.
Preferably, hanging buckles are installed at two ends of the hanging rope, and the hanging rope is fixedly connected with the connecting piece through the hanging buckles.
Compared with the prior art, the beneficial effects of the utility model are that: by arranging the first anti-slip area and the second anti-slip area, the boundary between the first folded anti-slip pattern and the second arc anti-slip pattern is a region with complex lines, so that the friction resistance in each direction is increased, and the phenomenon of slipping when a foot steps on the pedal is prevented; and a channel is arranged between the anti-skid grains, so that a user can clean the pedal conveniently;
through setting up the knot and hanging the rope, user of service accessible is hung the knot and will be hung the rope and install on the barrel, will hang the rope again and wear in shoulder department or through hanging the portable barrel of rope, make this device convenient to use personnel carry.
Drawings
Fig. 1 is an overall front view of the present invention;
fig. 2 is a sectional view of the barrel of the present invention;
FIG. 3 is an enlarged view of the structure at A on the barrel of FIG. 2;
FIG. 4 is a top view of the footrest of the present invention;
in the figure: 1-cylinder, 2-piston rod, 3-pedal, 4-piston, 5-air inlet pipe, 6-air outlet pipe, 7-one-way valve, 8-spring, 9-first antiskid zone, 10-second antiskid zone, 11-first antiskid line, 12-second antiskid line, 13-air outlet nozzle, 14-air outlet nozzle clamp, 15-pressure gauge, 16-support seat, 17-connecting piece, 18-hanging rope and 19-hanging buckle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-4, a pedal pump for subway auxiliary pressure air supply comprises a cylinder 1, wherein a piston rod 2 is vertically arranged in the cylinder 1, and the piston rod 2 is connected with the cylinder 1 in a sliding manner; the top end of the piston rod 2 is provided with a pedal 3, the bottom end of the piston rod 2 is provided with a piston 4, and the outer walls of the two ends of the piston 4 are attached to the inner wall of the cylinder 1; one side of the cylinder body 1 is communicated with an air inlet pipe 5, and the other side of the cylinder body 1 is communicated with an air outlet pipe 6; the side walls of the air inlet pipe 5 and the air outlet pipe 6 are both provided with one-way valves 7; a spring 8 is sleeved on the outer wall of the piston rod 2, one end of the spring 8 is fixedly connected with the barrel 1, and the other end of the spring 8 is fixedly connected with the pedal 3; the top wall of the pedal 3 is provided with a first anti-skid area 9 and a second anti-skid area 10; the first anti-slip area 9 is composed of a plurality of first anti-slip lines 11, and the plurality of first anti-slip lines 11 are all folded.
In the present embodiment, the cylinder 1, the piston rod 2, and the piston 4 are provided, so that the piston rod 2 and the piston 4 compress the gas in the cylinder 1. The pressure applied to the piston rod 2 by the user is facilitated by the foot pedal 3. By arranging the air inlet pipe 5 and the air outlet pipe 6, the cylinder body 1 is enabled to be supplied with air through the air inlet pipe 5, and the pressurized air is sent out through the air outlet pipe 6. By arranging the check valves 7, wherein the two check valves 7 are respectively an inlet check valve and an outlet check valve, the inlet check valve can only enter and can not exit, and the check valve at the outlet enables gas to only exit and can not enter. By arranging the spring 8, when a user applies pressure to the pedal 3 through feet, the piston rod 2 moves downwards, and the spring 8 deforms at the moment; when the user takes the foot off, the spring 8 drives the pedal 3 to reset, thereby preventing the operator from pulling the pedal 3.
Furthermore, the second anti-skid area 10 is composed of a plurality of second anti-skid lines 12, and the plurality of second anti-skid lines 12 are all arc-shaped.
In this embodiment, by arranging the first anti-slip pattern 11 and the second anti-slip pattern 12, the boundary between the first folded anti-slip pattern 11 and the second arc-shaped anti-slip pattern 12 is a region with a relatively complex texture, so that the provided frictional resistance in each direction is increased, and the phenomenon of slipping when a user steps on the pedal is prevented.
A channel is arranged between every two anti-skid threads one 11 and every two anti-skid threads two 12, and a user can clean the pedal 3 through the channel.
Furthermore, one end of the air outlet pipe 6, which is far away from the cylinder 1, is communicated with an air outlet nozzle 13; an air nozzle clamp 14 is arranged on the side wall of the air outlet nozzle 13.
In this embodiment, by providing the nozzle holder 14, when a user needs to inflate an object, the air outlet nozzle 13 is aligned with the air inlet of the object and fixed by the nozzle holder 14, thereby preventing air leakage.
Further, a pressure gauge 15 is mounted on the side wall of the air outlet pipe 6.
In this embodiment, the pressure gauge 15 can visually observe the air pressure in the object, thereby preventing the object from being exploded due to too high air pressure.
Further, a support seat 16 is installed on the bottom wall of the cylinder 1.
In the embodiment, the support seat 16 is arranged, so that the support seat 16 is higher than the height of the cylinder 1, and the pipeline connection is facilitated; on the other hand, the supporting seat 16 prevents the cylinder 1 from directly contacting the ground, thereby reducing the abrasion to the cylinder 1.
Further, the outer walls of two sides of the cylinder body 1 are respectively provided with a connecting piece 17; a hanging rope 18 is arranged above the cylinder body 1, and two ends of the hanging rope 18 are respectively fixedly connected with the two connecting pieces 17.
In the present embodiment, by providing the connecting member 17, wherein the connecting member 17 has a through hole inside, the hanging buckle 19 on the hanging rope 18 is buckled on the connecting member 17 through the through hole, so as to be convenient for a user to detach or carry.
Furthermore, hanging buckles 19 are respectively installed at two ends of the hanging rope 18, and the hanging rope 18 is fixedly connected with the connecting piece 17 through the hanging buckles 19.
In this embodiment, by providing the hanging buckle 19, the user can install the hanging rope 18 on the barrel 1 through the hanging buckle 19, and then wear the hanging rope 18 on the shoulder or carry the barrel 1 by the hanging rope 18, so that the device is convenient for the user to carry.
In summary, the air outlet nozzle 13 is firstly aligned with the air inlet to be pressurized and fixed by the air nozzle clamp 14, then the user applies pressure to the pedal 3 by feet to make the piston rod 2 move downwards, at the moment, the outlet one-way valve is opened, the inlet one-way valve is closed, so that the air in the cylinder 1 is discharged, then the feet are lifted, the piston 4 moves upwards by the rebound action of the spring 8, negative pressure is formed in the cylinder 1, the outlet one-way valve is closed, the inlet one-way valve is opened, external air is sucked into the cylinder 1, the circulation is carried out, and the air is continuously sent to the object, so that the air supply to the object is realized.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a subway is foot pump for auxiliary pressure air feed which characterized in that: the piston rod type cylinder comprises a cylinder body (1), wherein a piston rod (2) is vertically arranged in the cylinder body (1), and the piston rod (2) is connected with the cylinder body (1) in a sliding manner;
a pedal (3) is mounted at the top end of the piston rod (2), a piston (4) is mounted at the bottom end of the piston rod (2), and the outer walls of the two ends of the piston (4) are attached to the inner wall of the cylinder (1);
one side of the cylinder body (1) is communicated with an air inlet pipe (5), and the other side of the cylinder body (1) is communicated with an air outlet pipe (6);
the side walls of the air inlet pipe (5) and the air outlet pipe (6) are respectively provided with a one-way valve (7);
a spring (8) is sleeved on the outer wall of the piston rod (2), one end of the spring (8) is fixedly connected with the barrel (1), and the other end of the spring (8) is fixedly connected with the pedal (3);
the top wall of the pedal (3) is provided with a first anti-skid area (9) and a second anti-skid area (10);
the first anti-skid area (9) is composed of a plurality of first anti-skid lines (11), and the first anti-skid lines (11) are all folded.
2. A foot pump for subway auxiliary pressure air supply as claimed in claim 1, wherein: the second anti-skid area (10) is composed of a plurality of second anti-skid grains (12), and the second anti-skid grains (12) are arc-shaped.
3. A foot pump for subway auxiliary pressure air supply as claimed in claim 1, wherein: one end of the air outlet pipe (6) far away from the cylinder body (1) is communicated with an air outlet nozzle (13);
and an air nozzle clamp (14) is arranged on the side wall of the air outlet nozzle (13).
4. A foot pump for subway auxiliary pressure air supply as claimed in claim 1, wherein: and a pressure gauge (15) is arranged on the side wall of the air outlet pipe (6).
5. A foot pump for subway auxiliary pressure air supply as claimed in claim 1, wherein: and a supporting seat (16) is arranged on the bottom wall of the cylinder body (1).
6. A foot pump for subway auxiliary pressure air supply as claimed in claim 1, wherein: connecting pieces (17) are arranged on the outer walls of the two sides of the cylinder body (1);
a hanging rope (18) is arranged above the barrel (1), and two ends of the hanging rope (18) are respectively and fixedly connected with the two connecting pieces (17).
7. A foot pump for subway auxiliary pressure air supply as claimed in claim 6, wherein: hanging buckles (19) are installed at two ends of the hanging rope (18), and the hanging rope (18) is fixedly connected with the connecting piece (17) through the hanging buckles (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022394342.XU CN213655063U (en) | 2020-10-23 | 2020-10-23 | Foot pump for subway auxiliary pressure air supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022394342.XU CN213655063U (en) | 2020-10-23 | 2020-10-23 | Foot pump for subway auxiliary pressure air supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213655063U true CN213655063U (en) | 2021-07-09 |
Family
ID=76703059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022394342.XU Active CN213655063U (en) | 2020-10-23 | 2020-10-23 | Foot pump for subway auxiliary pressure air supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213655063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115683498A (en) * | 2022-09-29 | 2023-02-03 | 扬州市鑫伟自动化设备有限公司 | Automobile oil tank air tightness detection system |
-
2020
- 2020-10-23 CN CN202022394342.XU patent/CN213655063U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115683498A (en) * | 2022-09-29 | 2023-02-03 | 扬州市鑫伟自动化设备有限公司 | Automobile oil tank air tightness detection system |
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