CN214577708U

CN214577708U - Pedal inflator pump

Info

Publication number: CN214577708U
Application number: CN202120373685.XU
Authority: CN
Inventors: 厉昊成; 韦童健; 张晓玲
Original assignee: Huzhou Vocational and Technical College
Current assignee: Huzhou Vocational and Technical College
Priority date: 2021-02-09
Filing date: 2021-02-09
Publication date: 2021-11-02
Anticipated expiration: 2031-02-09

Abstract

The utility model discloses a pedal pump, including the pump case, be used for gas-filled impeller and be used for driving impeller pivoted running-board, both sides all are provided with the running-board around the pump case, the impeller sets up in the pump case, the impeller sets up runner and a plurality of slider of setting on the runner in the pump case including rotating, the slider with inside the dividing into air inlet chamber, play air cavity and the transition chamber of pump case, is provided with air inlet and gas outlet respectively in the left and right sides of pump case, the air inlet with admit air the chamber intercommunication, the gas outlet with go out the air cavity intercommunication. The utility model provides a pedal inflator pump, which has high inflation efficiency and is convenient to carry; the inflation process is labor-saving; is suitable for outdoor inflation.

Description

Pedal inflator pump

Technical Field

The utility model relates to an inflation equipment especially relates to a pedal pump.

Background

At present, when automobile tires are inflated in the market, the automobile tires are generally inflated through an electric inflator pump, but the electric inflator pump is large in size and not beneficial to carrying. When the vehicle needs to be inflated outdoors, the vehicle can be inflated only manually through a common inflator pump under the condition of no electric inflator pump, the conventional inflator pump generally performs inflation through pressing by hands, but the inflation is difficult when the force of hands is small, and the inflation efficiency is low when the inflation time is long. Therefore, the pedal inflator pump appears on the market, for example, the Chinese patent literature discloses a pedal inflator pump, the publication number CN205823567U of which comprises a frame and an inflator pump, the left end of the frame is provided with a hinged seat, the hinged seat penetrates through the frame, a supporting plate is arranged inside the frame, the right side of the frame is provided with a pedal plate, the pedal plate is provided with a barometer, a gas pipe is connected below the barometer, the tail end of the gas pipe is provided with a fixed seat, the fixed seat is provided with an embedded air tap, the embedded air tap is fixed with the fixed seat, the inflator pump is positioned inside the frame, the bottom of the inflator pump is hinged with the hinged seat, the upper end of the inflator pump is hinged with the pedal plate, the bottom of the inflator pump is provided with a bottom cover, the upper end of the inflator pump is provided with an extrusion rod, and the top of the extrusion rod is provided with a rotating shaft, the rotating shaft is fixed with the pedal. The pedal inflator pumps inflate by treading the pedal plate, and force is applied by a single foot, so that the force is applied greatly.

Disclosure of Invention

The utility model provides a pedal inflator pump, which has high inflation efficiency and is convenient to carry, in order to overcome the problems that the prior manual inflator pump has low inflation efficiency, the prior pedal inflator pump generally applies force to inflate by a single foot, and the like; the inflation process is labor-saving; is suitable for outdoor inflation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a pedal inflator pump comprises a pump shell, an impeller used for inflating and a pedal used for driving the impeller to rotate, wherein the pedal is arranged on each of the front side and the rear side of the pump shell, the impeller is arranged in the pump shell and comprises a rotating wheel rotatably arranged in the pump shell and a plurality of sliding blocks arranged on the rotating wheel, the sliding blocks divide the interior of the pump shell into an air inlet cavity, an air outlet cavity and a transition cavity, the left side and the right side of the pump shell are respectively provided with an air inlet and an air outlet, the air inlet is communicated with the air inlet cavity, and the air outlet is communicated with the air outlet cavity. Pedal drive impeller is stepped on to pedal air pump both feet is rotatory, external gas is inhaled the air inlet chamber of pump case under the impeller effect, and enter into out the air cavity and discharge from the gas outlet and accomplish and aerify under the slider effect of impeller, at this in-process, this pedal pump volume is less, and convenient to carry, and this pedal pump tramples through both feet and aerify, it is tired out to compare in traditional single foot aerify or manual the messenger user that aerifys more difficult, and the aerator is efficient, this pump need not charge and aerify the convenience in addition, the outdoor use of being convenient for.

Preferably, the rotating wheel is provided with a plurality of sliding grooves which are uniformly distributed along the circumferential direction, and the sliding blocks are arranged in the sliding grooves in a sliding manner. The arrangement facilitates the expansion of the sliding block in the contact process with the side wall of the pump shell, and the impeller is prevented from being blocked in the rotating process.

Preferably, a return spring is arranged between the sliding block and the sliding groove, one end of the return spring is fixed to the bottom of the sliding groove, the other end of the return spring is fixed to the bottom of the sliding block, and the stretching direction of the return spring is parallel to the sliding direction of the sliding block. Reset spring's being provided with does benefit to and promotes the slider for the slider is convenient for with the inside separation of pump case with the lateral wall butt of pump case.

Preferably, the bottom of the sliding block is provided with a limiting convex block, and the opening of the sliding chute is provided with a limiting convex edge matched with the limiting convex block. The arrangement of the limiting convex block and the limiting convex edge is convenient for preventing the sliding block from being separated from the sliding groove, so that inconvenience is caused.

Preferably, the rotating wheel is arranged close to the air outlet, and the sliding block is arranged in contact with the side wall on one side of the air outlet. The arrangement facilitates the separation of the interior of the pump shell to form an air inlet cavity communicated with the air inlet and an air outlet cavity communicated with the air outlet.

Preferably, an air outlet valve is arranged at the air outlet, the end part of the air outlet valve is connected with an air outlet pipe, a one-way ventilation assembly is arranged in the air outlet pipe and comprises a one-way valve ball and a one-way valve spring connected with the one-way valve ball, and the one-way valve ball is arranged on one side, close to the air outlet valve, of the one-way valve spring. When the air inflation is not carried out, the one-way valve ball blocks the communication position of the air outlet pipe and the air outlet valve, and in the air inflation process, the air flow pushes the one-way valve ball to compress the one-way valve spring, so that the air outlet pipe is communicated with the air outlet valve.

Preferably, a pressure gauge is arranged on the air outlet pipe. The pressure gauge is arranged, so that the internal air pressure of the tire can be monitored in real time and controlled conveniently.

Preferably, a filter screen is arranged at the air inlet. The filter screen filters the gas that fills, avoids too much impurity to get into and causes inconvenience.

Preferably, the pedal comprises a pedal and a pedal crank, the pedal crank is arranged between the pump shell and the pedal, and the pedal crank is of a telescopic structure with adjustable length. The length of the pedal crutch can be conveniently adjusted by the aid of the telescopic structure, and when the force arm is long, the pedal crutch is labor-saving, large in action, short in force arm, small in action, suitable for different users and high in universality.

Preferably, the telescopic structure comprises an inner pipe and an outer pipe sleeved on the inner pipe, first adjusting holes are uniformly formed in the inner pipe, second adjusting holes matched with the first adjusting holes are formed in the outer pipe, and locking parts are arranged in the first adjusting holes and the second adjusting holes. When adjusting, the pedal is turned and is adjusted when suitable position, aligns first regulation hole and second regulation hole, and inner tube and outer tube are fixed when inserting the retaining member again, the simple operation.

Therefore, the utility model discloses following beneficial effect has: the inflation efficiency is high, and the carrying is convenient; the inflation process is labor-saving; the air inflation device is suitable for outdoor air inflation; the arrangement of the pressure gauge is convenient for monitoring the internal air pressure in real time and controlling the internal air pressure of the tire; the filter screen filters the charged gas, so that inconvenience caused by the entry of excessive impurities is avoided; the pedal crutch is of a telescopic structure with adjustable length, so that the pedal crutch can be adapted to different users conveniently, and the universality is improved.

Drawings

FIG. 1 is a cross-sectional view of a foot-operated inflator;

FIG. 2 is a left side elevational view of the foot operated inflator;

FIG. 3 is a right side view of the foot-operated inflator;

FIG. 4 is a schematic view of the structure of the impeller

In the figure: 1. the air outlet structure comprises a pump shell 101, an air inlet 102, an air outlet 103, an air inlet cavity 104, an air outlet cavity 105, a transition cavity 2, an impeller 201, a runner 2011, a chute 2012, a limiting convex edge 202, a sliding block 2021, a limiting convex block 203, a return spring 3, a pedal 301, a pedal 302, a pedal crank 3021, an inner tube 3022, an outer tube 3023, a second adjusting hole 3024, a first adjusting hole 4, a filter screen 5, an air outlet valve 6, an air outlet pipe 7, a pressure gauge 8, a check valve ball 9, a check valve spring 10 and ground nails.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

Example 1:

as shown in fig. 1, 2, 3, and 4, in embodiment 1, a pedal inflator includes a pump housing 1, an impeller 2, and a pedal 3, the pump housing 1 is hollow, an air inlet 101 and an air outlet 102 are disposed on left and right sides of the pump housing 1, the impeller 2 is rotatably disposed in the pump housing 1, the impeller 2 is used for inflating the inflator, two pedals 3 are disposed on front and rear sides of the pump housing 1, respectively, and the pedal 3 is connected to the impeller 2 and drives the impeller 2 to rotate to inflate the inflator. In addition, the impeller 2 comprises a rotating wheel 201 and a plurality of sliding blocks 202 arranged on the rotating wheel 201, wherein a plurality of sliding grooves 2011 uniformly arranged along the circumferential direction are formed in the rotating wheel 201, the sliding blocks 202 are arranged in the sliding grooves 2011 in a sliding mode, the inside of the pump shell 1 is divided into an air inlet cavity 103, an air outlet cavity 104 and a transition cavity 105 through the arrangement of the sliding blocks 202, the air inlet 101 is communicated with the air inlet cavity 103, and the air outlet 102 is communicated with the air outlet cavity 104. The pedal air pump drives the impeller 2 to rotate by treading the pedal 3 with two feet, and the outside air is sucked into the air inlet cavity 103 of the pump shell 1 under the action of the impeller 2, enters the air outlet cavity 104 under the action of the slide block 202 of the impeller 2 and is discharged from the air outlet 102 to complete the inflation. Further, a filter screen 4 is provided at the air inlet 101. The filter screen 4 filters the charged gas, so that inconvenience caused by excessive impurities is avoided; the bottom of the pump shell 1 is also provided with a ground nail 10 for supporting, which is beneficial to ensuring the stable placement of the pump shell 1.

Further, a return spring 203 is arranged between the slide block 202 and the slide groove 2011, one end of the return spring 203 is fixed at the bottom of the slide groove 2011, the other end of the return spring 203 is fixed at the bottom of the slide block 202, the expansion direction of the return spring 203 is parallel to the sliding direction of the slide block 202, and the return spring 203 is always in a compression state in the slide groove 2011. In addition, in order to prevent the slider 202 from coming off from the sliding groove 2011, a limiting protrusion 2021 is disposed at the bottom of the slider 202, and a limiting convex edge 2012 matched with the limiting protrusion 2021 is disposed at the opening of the sliding groove 2011.

Further, in order to facilitate the slider 202 to partition the interior of the pump housing 1, the runner 201 is disposed near the air outlet 102, and the slider 202 abuts against the side wall on the side where the air outlet 102 is disposed.

In addition, be provided with air outlet valve 5 in gas outlet 102 department, air outlet valve 5 end connection has outlet duct 6, is provided with the one-way subassembly of ventilating in outlet duct 6, and the one-way subassembly of ventilating includes check valve ball 8 and the check valve spring 9 of being connected with check valve ball 8, and check valve ball 8 sets up the one side that is close to air outlet valve 5 at check valve spring 9. When the air inflation is not performed, the one-way valve ball 8 blocks the communication part of the air outlet pipe 6 and the air outlet valve 5, and in the air inflation process, the air flow pushes the one-way valve ball 8 to compress the one-way valve spring 9, so that the air outlet pipe 6 is communicated with the air outlet valve 5. Still be provided with manometer 7 on outlet duct 6, manometer 7's setting is convenient for real-time supervision inside atmospheric pressure, is convenient for control tire inside atmospheric pressure.

Example 2:

the embodiment 2 is basically the same as the embodiment 1, except that: the pedal 3 includes footboard 301 and pedal crutch 302, and the pedal crutch sets up between pump case and pedal, and the pedal crutch sets up to length adjustable's telescopic structure, and telescopic structure includes that inner tube 3021 and cover establish the outer tube 3022 on the inner tube, is provided with the first regulation hole 3024 of evenly arranging on the inner tube, be provided with on the outer tube with first regulation hole complex second regulation hole 3023, be provided with the retaining member in first regulation hole and second regulation hole. When adjusting, the pedal is turned and is adjusted when suitable position, aligns first regulation hole and second regulation hole, and inner tube and outer tube are fixed when inserting the retaining member again, the simple operation, telescopic structure's setting is convenient for adjust the length that the pedal turned, and when arm of force long time is more laborsaving, nevertheless the action is big, and the arm of force is short hard, the action is little, is fit for different users, improves the commonality.

It should be noted that as used in the foregoing description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

The above examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims

1. A pedal inflator pump is characterized by comprising a pump shell (1), an impeller (2) used for inflating and a pedal (3) used for driving the impeller (2) to rotate, wherein the pedal (3) is arranged on each of the front side and the rear side of the pump shell (1), the impeller (2) is arranged in the pump shell (1), the impeller (2) comprises a rotating wheel (201) rotatably arranged in the pump shell (1) and a plurality of sliding blocks (202) arranged on the rotating wheel (201), the sliding blocks (202) divide the interior of the pump shell (1) into an air inlet cavity (103), an air outlet cavity (104) and a transition cavity (105), an air inlet (101) and an air outlet (102) are respectively arranged on the left side and the right side of the pump shell (1), the air inlet (101) is communicated with the air inlet cavity (103), and the air outlet (102) is communicated with the air outlet cavity (104).

2. The pedal inflator as claimed in claim 1, wherein the runner (201) is provided with a plurality of chutes (2011) uniformly arranged along a circumferential direction, and the sliding block (202) is slidably disposed in the chutes (2011).

3. The pedal inflator as claimed in claim 2, wherein a return spring (203) is disposed between the sliding block (202) and the sliding groove (2011), one end of the return spring (203) is fixed at the bottom of the sliding groove (2011), the other end of the return spring is fixed at the bottom of the sliding block (202), and the extension direction of the return spring (203) is parallel to the sliding direction of the sliding block (202).

4. The pedal inflator as claimed in claim 2, wherein a limit protrusion (2021) is disposed at the bottom of the sliding block (202), and a limit convex edge (2012) engaged with the limit protrusion (2021) is disposed at the opening of the sliding groove (2011).

5. A pedal-operated inflator according to claim 1, wherein said runner (201) is provided adjacent to the air outlet port (102), and said slider (202) is provided in contact with a side wall on a side where the air outlet port (102) is provided.

6. The pedal inflator pump according to any one of claims 1 to 5, wherein an air outlet valve (5) is arranged at the air outlet (102), an air outlet pipe (6) is connected to an end portion of the air outlet valve (5), a one-way ventilation assembly is arranged in the air outlet pipe (6), the one-way ventilation assembly comprises a one-way valve ball (8) and a one-way valve spring (9) connected with the one-way valve ball (8), and the one-way valve ball (8) is arranged on one side, close to the air outlet valve (5), of the one-way valve spring (9).

7. A pedal inflator according to claim 6, characterized in that a pressure gauge (7) is provided on said outlet duct (6).

8. A pedal inflator according to any one of claims 1 to 5, wherein a filter screen (4) is provided at the air inlet (101).

9. A pedal inflator according to any one of claims 1 to 5, wherein the foot pedal (3) comprises a pedal (301) and a pedal crank (302), the pedal crank being disposed between the pump housing and the foot pedal, the pedal crank being arranged in a telescopic configuration with adjustable length.

10. The pedal inflator as claimed in claim 9, wherein the telescopic structure comprises an inner tube (3021) and an outer tube (3022) sleeved on the inner tube, wherein first adjusting holes (3024) are uniformly arranged on the inner tube, a second adjusting hole (3023) matched with the first adjusting hole is arranged on the outer tube, and locking members are arranged in the first adjusting hole and the second adjusting hole.