CN217873150U - Portable foot pump that suitability is better - Google Patents

Abstract

The utility model relates to a pedal pump technical field specifically is a better portable pedal pump of suitability, including drive assembly and the pump body, two reset spring of inboard bottom fixedly connected with of the pump body, two reset spring's top fixedly connected with connecting rod, two the equal fixed connection of connecting rod is in the bottom of pedal, the air inlet has been seted up at the top of the pump body, two torsional springs of the both sides inner wall fixedly connected with of the pump body, two fixedly connected with wind-up pulley between the torsional spring, pedal pump after the improvement, through setting up the volume with the air cavity and greatly increasing the inflation volume that the single was trampled, reduce and trample the number of times, utilize pressure auxiliary inflation and admit air and reduce the consumption of user's strength for use more laborsavingly, come to carry out the rolling to the outlet duct through the wind-up pulley, and adopt the spacer to separate at the middle part of wind-up pulley, can effectively prevent to cause the oppression between the outlet duct, lead to the trachea to give vent to anger obstructed.

Description

Portable foot pump that suitability is better

Technical Field

The utility model relates to a foot pump technical field specifically is a better portable foot pump of suitability.

Background

The pantograph of the subway vehicle is converted by taking compressed air as power, in order to ensure safe operation and normal work of the vehicle, a set of air pipeline special for providing compressed air for the pantograph, namely a pantograph lifting system pipeline, is arranged on the subway vehicle, a foot pump is a main component in the system, and along with wide application of the air bag type pantograph in the subway vehicle, higher technical requirements are put forward on the foot pump.

The prior patent (publication number: CN 213655063U) discloses a pedal pump for subway auxiliary pressure gas supply, which comprises a cylinder body, wherein a piston rod is vertically arranged in the cylinder body, a piston is arranged at the bottom end of the piston rod, one side of the cylinder body is communicated with a gas inlet pipe, the other side of the cylinder body is communicated with a gas outlet pipe, one-way valves are respectively arranged on the side walls of the gas inlet pipe and the gas outlet pipe, a spring is sleeved on the outer wall of the piston rod, one end of the spring is fixedly connected with the cylinder body, the other end of the spring is fixedly connected with a pedal plate, a first anti-skid area and a second anti-skid area are arranged on the top wall of the pedal plate, the first anti-skid area is composed of a plurality of first anti-skid grains, and the first anti-skid grains are folded; 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. The inventor discovers that the prior art has the following problems in the process of realizing the utility model: 1. the existing foot pump is convenient to carry, the air inlet amount of the air cylinder is small and insufficient, the foot pump needs to be repeatedly trodden for many times during inflation, manpower is consumed, and the situation that the legs are limp can occur after long-time pedaling; 2. when the pedal pump is connected with the gas-using part, an external longer gas outlet pipe is needed, and the gas outlet pipe is easy to be wound together and knotted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a better portable foot pump of suitability to solve the problem of proposing among the above-mentioned background art. In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a better portable foot pump of suitability, includes the transmission assembly and the pump body, two reset spring of inboard bottom fixedly connected with of the pump body, two reset spring's top fixedly connected with connecting rod, two the equal fixed connection of connecting rod is in the bottom of step, the air inlet has been seted up at the top of the pump body, two torsional springs of both sides inner wall fixedly connected with of the pump body, two fixedly connected with wind-up pulley between the torsional spring, the middle part winding of wind-up pulley has the outlet duct, the one end fixedly connected with connector of outlet duct, the inboard middle part of the pump body is equipped with the air cavity.

Further preferably, the transmission assembly comprises two racks arranged on one side of the two connecting rods, one side of each rack is movably connected with a gear, a rotating shaft penetrates through the middle of each gear, a first helical gear is fixedly connected to the middle of each rotating shaft, a second helical gear is meshed with one side of each first helical gear, a threaded rod is fixedly connected to one side of each second helical gear, and the threaded rod penetrates through the middle of the push plate.

Further preferably, an anti-slip layer is arranged on the top of the pedal.

Further preferably, a plurality of separation blades are distributed in the middle of the winding wheel at equal intervals, and each separation blade is parallel to each other.

Further preferably, the air cavity is communicated with the connector through an air outlet pipe, and the inner wall of the air cavity is provided with a funnel-shaped air hole.

Further preferably, the bottom of the connector is provided with a limiting block.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, set up great inflation volume that increases the single and trample through the volume with the air cavity, reduce and step on the number of times, it is lighter to use, and when trampling the pedal, can drive the push pedal and remove right, make the pressure increase in the air cavity, thereby extrude the air from the air cavity and arrange into needs inflatable equipment through the gas outlet, on the same principle when the push pedal removes left, the pressure in the air cavity reduces, make the air inhale from the air inlet, utilize the pressure to assist to aerify and admit air the consumption that reduces user's strength, make and use more laborsavingly.

The utility model discloses in, come to carry out the rolling to the outlet duct through the inside at the pump body sets up the rolling wheel, this makes this foot pump more convenient in the in-service use process from the outlet duct of taking certain length, need not to carry the trachea in addition to rolling wheel middle part adopts the spacer to separate, can prevent effectively to cause the oppression between the outlet duct, leads to the trachea to give vent to anger obstructed.

Drawings

FIG. 1 is a side view, sectional and schematic structural view of the present invention;

FIG. 2 is a schematic view of the front view structure of the present invention;

FIG. 3 is a schematic top view of the cross-sectional structure of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a transmission assembly; 101. a rack; 102. a gear; 103. a rotating shaft; 104. a first helical gear; 105. a second helical gear; 106. a threaded rod; 107. pushing the plate; 2. a pump body; 3. a return spring; 4. a connecting rod; 5. treading a pedal; 6. an air inlet; 7. a torsion spring; 8. a winding wheel; 9. an air outlet pipe; 10. a connector; 11. an air cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a better portable foot pump of suitability, including drive assembly 1 and the pump body 2, two reset spring 3 of inboard bottom fixedly connected with of the pump body 2, the top fixedly connected with connecting rod 4 of two reset spring 3, two equal fixed connection of connecting rod 4 are in the bottom of pedal 5, air inlet 6 has been seted up at the top of the pump body 2, two torsional springs 7 of the both sides inner wall fixedly connected with of the pump body 2, fixedly connected with rolling wheel 8 between two torsional springs 7, the middle part winding of rolling wheel 8 has outlet duct 9, the one end fixedly connected with connector 10 of outlet duct 9, the inboard middle part of the pump body 2 is equipped with air cavity 11.

In this embodiment, as shown in fig. 1 and 3, the transmission assembly 1 includes two racks 101 installed on one side of the two connecting rods 4, one side of the two racks 101 is movably connected with a gear 102, a rotating shaft 103 penetrates through the middle portions of the two gears 102, a first helical gear 104 is fixedly connected to the middle portion of the rotating shaft 103, a second helical gear 105 is engaged with one side of the first helical gear 104, a threaded rod 106 is fixedly connected to one side of the second helical gear 105, and the threaded rod 106 penetrates through the middle portion of the push plate 107.

In this embodiment, as shown in fig. 1 and 2, an anti-slip layer is disposed on the top of the pedal 5; the conditions such as slipping can be prevented from occurring in the process of stepping on the foot pump.

In this embodiment, as shown in fig. 3, a plurality of spacers are equidistantly distributed in the middle of the winding wheel 8, and each spacer is parallel to each other; can effectively prevent the air outlet pipe 9 from being blocked due to the fact that the air outlet pipe 9 is blocked.

In this embodiment, as shown in fig. 1, the air cavity 11 is communicated with the connector 10 through the air outlet pipe 9, and the inner wall of the air cavity 11 is provided with a funnel-shaped air hole; the funnel-shaped air hole can better press the air in the air cavity 11 into the air outlet pipe 9 to inflate the equipment needing inflation.

In this embodiment, as shown in fig. 1, fig. 3 and fig. 4, a limiting block is disposed at the bottom of the connecting head 10; the stopper can prevent that connector 10 from being rolled up inside the pump body 2 under the effect of torsional spring 7.

The utility model discloses a use method and advantage: this kind of better portable foot pump of suitability is when the rolling, and the working process is as follows:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, first, the connector 10 is connected to the pantograph, the connector 10 drives the air outlet pipe 9 to be pulled out, the air outlet pipe 9 drives the winding wheel 8 to rotate, then the foot pump is placed at a proper position, the pedal 5 is stepped by the foot, the downward movement of the pedal 5 drives the rack 101 to move downward, then the rack 101 drives the rotating shaft 103 to rotate through the gear 102, the rotating shaft 103 drives the first bevel gear 104 in the middle to synchronously rotate, the first bevel gear 104 drives the second bevel gear 105 to rotate, the second bevel gear 105 drives the threaded rod 106 to rotate, the threaded rod 106 rotates to enable the push plate 107 to move rightwards, air in the air cavity 11 is compressed into the air outlet pipe 9, finally enters the pantograph to be inflated from the connector 10, then the foot is lifted from the pedal 5, the connecting rod 4 is jacked up upwards under the action of the return spring 3, the connecting rod 4 drives the pedal 5 to return, the pedal 5 returns upwards to drive the push plate 107 to move leftwards, when the push plate 107 moves leftwards, the pressure in the air cavity 11 is reduced, air enters from the air inlet 6, because the air inlet 6 is provided with a one-way valve, therefore, air can not be discharged from the air inlet 6 when the air pump is inflated, the air outlet pipe 9 is wound by the winding wheel 8 arranged in the pump body 2, the air outlet pipe 9 is prevented from being wound, the middle part of the winding wheel 8 is separated by the partition sheet, the air outlet pipe 9 can be effectively prevented from being blocked due to compression between the air outlet pipes 9, the connector 10 is separated from the pantograph after the air pump is inflated, under the effect of torsional spring 7, 8 rotatory normal positions that resume of wind-up wheel, in drawing in the pump body 2 with outlet duct 9, the stopper on the connector 10 can prevent that connector 10 from being taken out next time by the inside not being convenient for of the pump body 2 of rolling under the effect of torsional spring 7.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a better portable foot pump of suitability, includes drive assembly (1) and the pump body (2), its characterized in that: two reset spring (3) of inboard bottom fixedly connected with of the pump body (2), two top fixedly connected with connecting rod (4) of reset spring (3), two the equal fixed connection of connecting rod (4) is in the bottom of pedal (5), air inlet (6) have been seted up at the top of the pump body (2), two torsional spring (7) of the both sides inner wall fixedly connected with of the pump body (2), two fixedly connected with wind-up wheel (8) between torsional spring (7), the middle part winding of wind-up wheel (8) has outlet duct (9), the one end fixedly connected with connector (10) of outlet duct (9), the inboard middle part of the pump body (2) is equipped with air cavity (11).

2. The portable foot pump of claim 1, further comprising: the transmission assembly (1) comprises two racks (101) arranged on one side of two connecting rods (4), two gears (102) and two gears (102) are movably connected to one side of the racks (101), a rotating shaft (103) penetrates through the middle of the gears (102), a first helical gear (104) is fixedly connected to the middle of the rotating shaft (103), a second helical gear (105) is meshed to one side of the first helical gear (104), a threaded rod (106) is fixedly connected to one side of the second helical gear (105), and the threaded rod (106) penetrates through the middle of a push plate (107).

3. The portable foot pump of claim 1, further comprising: the top of the pedal (5) is provided with an anti-skid layer.

4. The portable foot pump of claim 1, further comprising: a plurality of separation sheets are equidistantly distributed in the middle of the winding wheel (8), and each separation sheet is parallel to the other.

5. The portable foot pump of claim 1, further comprising: the air cavity (11) is communicated with the connector (10) through an air outlet pipe (9), and the inner wall of the air cavity (11) is provided with a funnel-shaped air hole.

6. The portable foot pump of claim 1, further comprising: the bottom of the connector (10) is provided with a limiting block.

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