CN210829640U - Portable inflator pump - Google Patents

Abstract

The utility model provides a portable inflator pump, includes upper housing and lower casing of cooperation assembly, and the inflation assembly is arranged in the inside cavity between upper housing and the lower casing, the inflation assembly includes driving motor, transmission structure, piston cylinder subassembly, trachea, power cord, driving motor drives piston cylinder subassembly work through transmission structure, tracheal one end is connected at piston cylinder subassembly, and the outer structure is connected to tracheal other end, the power cord is used for inserting the vehicle mounted power in and supplies power, wherein: the piston cylinder assembly comprises a piston and a cylinder which are assembled in a matched mode, the cylinder is made of aluminum alloy, and the inner surface of the cylinder has Ra 0.79-0.81 high luminosity. The utility model provides a portable pump through the adjustment to inner structure, makes the structure of pump compacter, through the selection to the material, makes the pump more light simultaneously, and life is longer.

Description

Portable inflator pump

Technical Field

The utility model belongs to the technical field of on-vehicle pump, concretely relates to portable pump.

Background

With the development of economy and the improvement of living standard of people, more and more vehicles run on the road. The vehicle is at the driving in-process, can take place the condition that sharp object punctures the tire when meetting the road conditions road not good, perhaps drives the in-process for a long time, and the tire also can atmospheric pressure low excessively, under this kind of condition, if be difficult to find maintenance shop nearby, can pass through on-vehicle portable pump, perhaps cooperate the tire repair liquid to carry out interim processing.

In the prior art, the structure and the variety of a vehicle-mounted portable inflator pump are various, the vehicle-mounted portable inflator pump is generally connected to a vehicle power supply through an electric wire to work, a motor, a piston, an air pipe and other structures are arranged in the inflator pump, and air is continuously pumped into a tire after the connection. For example, in the chinese utility model patent publication No. CN203670147U, a vehicle-mounted inflator pump is disclosed, which comprises a pump body, a handle, a lamp body, a data line, a pressure gauge and an inflation tube; the pressure gauge and the lifting handle are both arranged at the top of the pump body, wherein the lifting handle is hinged with the top of the pump body; the vehicle-mounted inflator pump is characterized in that the lamp body and the data line are respectively arranged on the left side and the right side of the pump body, the lamp body switch is arranged on the bottom side of the lamp body, the inflation tube is arranged at the top of the pump body, and the vehicle-mounted inflator pump has a lighting function. For another example, in the chinese utility model patent with publication number CN207647720U, a scheme of setting up a plurality of shock pads on the bottom surface of a vehicle-mounted inflator pump with a noise-reducing and shock-absorbing structure is disclosed, which solves the technical problems of the prior art that the noise and vibration in the inflation process are large, the phenomenon of 'drift' of the inflator pump along the ground is often generated, the stability of the inflation state is poor, and certain potential safety hazards exist.

In addition, in the design process of the vehicle-mounted inflator pump, the size of the vehicle-mounted inflator pump greatly affects the portability, at present, a plurality of vehicle-mounted inflator pumps are carried out in the direction of reducing the size and simplifying the structure, and the inflator pump is lighter and more portable and has longer service life by redesigning the internal structure and reselecting component materials; in this direction, the utility model discloses further design and research have also been carried out.

SUMMERY OF THE UTILITY MODEL

To not enough among the above prior art, the utility model provides a portable pump through the adjustment to inner structure, makes the structure of pump compacter, and through the selection to the material, it is more light to make the pump simultaneously, and life is longer.

In order to solve the above technical problem, the present invention solves the above technical problems.

The utility model provides a portable inflator pump, includes upper housing and lower casing of cooperation assembly, and the inflation assembly is arranged in the inside cavity between upper housing and the lower casing, the inflation assembly includes driving motor, transmission structure, piston cylinder subassembly, trachea, power cord, driving motor drives piston cylinder subassembly work through transmission structure, tracheal one end is connected at piston cylinder subassembly, and the outer structure is connected to tracheal other end, the power cord is used for inserting the vehicle mounted power in and supplies power, wherein: the piston cylinder assembly comprises a piston and a cylinder which are assembled in a matched mode, the cylinder is made of aluminum alloy, and the inner surface of the cylinder has Ra 0.79-0.81 high luminosity.

At present, in a portable vehicle-mounted inflator pump, cylinders are made of zinc alloy materials and are heavy, so that the overall portability of the inflator pump is reduced. In this application, the cylinder has adopted the aluminum alloy material, when guaranteeing mechanical strength and function, weight ratio traditional zinc alloy cylinder has lighter two-thirds, has improved the holistic portability of pump. Simultaneously in this application, the internal surface of cylinder has the high light degree of Ra 0.79~0.81, and smooth finish is high, and the friction is little, has increased the holistic life of air pump.

In a preferred embodiment, the piston is provided with piston rings at its end, which are made of hydrogenated nitrile rubber. Hydrogenated nitrile rubber (HNBR) is a highly saturated elastomer, has good oil resistance, heat resistance and chemical corrosion resistance, has higher compression set resistance and mechanical property, has high strength, and has very good integral sealing property, stable performance and long service life compared with the conventional common rubber material.

In a preferred embodiment, the ring surface of the piston ring is provided with two arc-shaped assembling grooves, the end part of the piston is provided with two arc-shaped assembling parts, and the arc-shaped assembling grooves and the arc-shaped assembling parts can be assembled in a matched mode. In traditional structure, the piston ring generally is ring structure, and the piston ring in this application has the overall structure of integrated design, and intensity is higher, assembles through two arc assembly grooves, and is more convenient.

In a preferred embodiment, the transmission structure includes a first gear disposed on the rotating shaft of the driving motor, and a second gear engaged with the first gear, the second gear drives a rotating disc to rotate coaxially, and the rotating disc is connected to one end of the piston. In the structure, the driving motor drives the first gear to rotate, and then drives the second gear meshed with the first gear to rotate, so that the rotating disc is driven to rotate, the reciprocating motion of the piston is realized, and the air cylinder inflating operation is carried out.

In a preferred embodiment, the transmission structure is assembled on a component plate, and the component plate and the cylinder are of an integrated structure; and the assembly plate is provided with an assembly hole. In the structure, the assembly plate and the air cylinder are of an integrated structure, so that the strength is high, the weight is light, and the structure is stable; the assembly holes in the assembly plate are used for assembling the first gear and the second gear, and the structure is compact after assembly.

In a preferred embodiment, a fan driven by a motor shaft is arranged on one side of the driving motor, air outlets are arranged on the side surfaces of the upper shell and the lower shell, and the fan faces the air outlets and is used for exhausting air and dissipating heat.

In a preferred embodiment, the bottom of the lower shell is provided with a power line placing cavity, the bottom of the power line placing cavity is provided with a clamping line convex edge, and the power line placing cavity can be placed in the power line placing cavity after being regularly stored and is not easy to separate.

In a preferred embodiment, the bottom of the lower shell is provided with a zigzag air pipe clamping groove for placing an air pipe, and the air pipe clamping groove can accommodate a long-length air pipe.

In a preferred embodiment, a pressure gauge and a switch are provided in the upper housing for indicating pressure and for controlling the activation of the device, respectively.

In a preferred embodiment, the bottom corner of the lower shell is provided with a foot pad, which has a good shock-absorbing and noise-reducing function and protects the equipment, and the foot pad is preferably a screw-threaded foot pad and can be adjusted in height.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model provides a portable pump, through the adjustment to inner structure, make the structure of pump more compact, simultaneously through the selection to the material, make the pump lighter, life is longer.

Drawings

Fig. 1 is a first perspective view of the inflator of the present invention.

Fig. 2 is a second perspective view of the inflator of the present invention.

Fig. 3 is a perspective view of the inflator with the lower housing omitted in the present invention.

FIG. 4 is a schematic view of the inflator with the lower housing omitted in accordance with the present invention.

Fig. 5 is a perspective view of the inflator with the upper housing omitted in the present invention.

FIG. 6 is a side view of the inflator with the upper housing omitted in accordance with the present invention.

Fig. 7 is a perspective view of the inflator of the present invention with the upper housing and the lower housing omitted.

Fig. 8 is a perspective view of the upper case of the present invention.

Fig. 9 is a first perspective view of the lower housing according to the present invention.

Fig. 10 is a second perspective view of the lower case according to the present invention.

Fig. 11 is a first perspective view of the assembly plate and the cylinder according to the present invention.

Fig. 12 is a second perspective view of the assembly plate and the cylinder according to the present invention.

Fig. 13 is a first perspective view of the transmission structure and the piston of the present invention.

Fig. 14 is a second perspective view of the transmission structure and the piston according to the present invention.

Fig. 15 is a perspective view of a piston ring according to the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The embodiments described below by referring to the drawings are exemplary only for explaining the present invention and are not construed as limiting the present invention, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.

In the description of the present invention, it is to be understood that the term: the center, vertically, transversely, length, width, thickness, upper and lower, preceding, back, left and right, vertical, level, top, end, inside and outside, clockwise, anticlockwise etc. indicate position or positional relationship for based on the position or positional relationship that the drawing shows, just for the convenience of description the utility model discloses and simplified description, consequently can not be understood as the restriction of the utility model. Furthermore, the terms: first, second, etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features shown. In the description of the present invention, unless explicitly stated or limited otherwise, the terms: mounting, connecting, etc. are to be understood broadly and those skilled in the art will understand the specific meaning of the terms in this application as they pertain to the particular situation.

Referring to fig. 1 to 15, the utility model provides a portable pump that relates to, including the last casing 1 and the lower casing 2 of cooperation assembly, inflation assembly arranges in the inside cavity between last casing 1 and the lower casing 2, inflation assembly includes driving motor 6, transmission structure, piston cylinder subassembly, trachea 4, power cord 5, driving motor 6 drives piston cylinder subassembly work through transmission structure, the piston cylinder subassembly is connected to the one end of trachea 4, and the exterior structure is connected to the other end of trachea 4, power cord 5 is arranged in inserting the vehicle mounted power and supplies power, wherein: an upper partition plate 15 is arranged in the upper shell 1, a lower partition plate 25 is arranged in the lower shell 2, and the upper partition plate 15 and the lower partition plate 25 are matched to divide an inner cavity into a left cavity, a hollow cavity and a right cavity; the power cord 5 is arranged in the left cavity, the driving motor 6 and the transmission structure are arranged in the hollow cavity, the throat and a part of the air pipe 4 of the piston cylinder assembly are arranged in the right cavity, in addition, an integrated barometer 13 is also arranged in the right cavity, the integrated barometer 13 is arranged at the position of the throat or on the air pipe 4, and the installation is very simple and fast.

In the application, the piston cylinder assembly comprises a piston 81 and a cylinder 7 which are assembled in a matching way, the cylinder 7 is made of aluminum alloy, and the inner surface 77 of the cylinder 7 has high light intensity of Ra 0.79-0.81; a throat 75 at one side of the cylinder 7 is used for connecting the air pipe 4, and an air inlet 76 is also arranged on the structure and is used for assembling an air valve for air inlet of the reciprocating motion of the piston. Specifically, the end of the piston 81 is provided with a piston ring 811, and the piston ring 811 is made of hydrogenated nitrile rubber. The hydrogenated nitrile rubber is a highly saturated elastomer, has good oil resistance, heat resistance and chemical corrosion resistance, has higher compression set resistance and mechanical property, and high strength, and has very good overall sealing property, stable performance and long service life compared with the conventional common rubber material. Two arc-shaped assembling grooves 815 are symmetrically arranged on the ring surface 814 of the piston ring 811, two arc-shaped assembling parts 812 are arranged at the end part of the piston 81, and the arc-shaped assembling grooves 815 can be assembled with the arc-shaped assembling parts 812 in a matching way. In traditional structure, the piston ring generally is ring structure, and the piston ring in this application has the overall structure of integrated design, and intensity is higher, assembles through two arc assembly grooves, and is more convenient.

In this application, drive structure is including locating the epaxial first gear 68 of driving motor 6 pivot, with the second gear 82 of this first gear 68 meshing, second gear 82 drives the coaxial rotation of rolling disc 8, rolling disc 8 links to each other with the one end of piston 81. In this structure, the driving motor 6 drives the first gear 68 to rotate, and then drives the second gear 82 engaged with the first gear to rotate, so as to drive the rotating disc 8 to rotate, thereby realizing the reciprocating motion of the piston 81 and performing the cylinder pumping operation. Specifically, the transmission structure is assembled on an assembly plate 9, the assembly plate 9 and the air cylinder 7 are of an integrated structure, and the transmission structure is high in strength, light in weight and stable in structure; the assembly plate 9 is provided with an assembly hole 93 for assembling the first gear 68 and the second gear 82, and the assembled structure is compact.

In addition, in this application, one side of driving motor 6 is equipped with motor shaft driven fan 61, the side of going up casing 1 and casing 2 is equipped with air outlet 3, and fan 61 is facing to the position of air outlet 3 for the air-out heat dissipation. The bottom of lower casing 2 is equipped with the power cord and places chamber 26, the bottom that chamber 26 was placed to the power cord is equipped with card line protruding edge 261, can place this in placing chamber 26 after accomodating the electric wire rule, and be difficult to deviate from. The bottom of lower casing 2 is equipped with tortuous trachea draw-in groove 24 for place the trachea, can hold the trachea of longer length, be equipped with pad foot 22 on the bottom corner position of lower casing, have fine amortization function of moving away to avoid possible earthquakes, play the protection to equipment, should fill up foot 22 and preferably screw soon to twist formula pad foot, can adjust the height. The upper shell 1 is internally provided with a pressure gauge 13 and a switch 14 which are respectively used for displaying pressure and controlling equipment to start, and the pressure gauge 13 is arranged in a pressure gauge enclosing plate 131 in a limiting way.

In the application, an air pipe bayonet 21 is arranged on one side of the lower shell 2 and used for enabling the air supply pipe 4 to penetrate out of the lower shell 2 when in use and properly clamping the air pipe 4; the other side of the lower case 2 is provided with a power cord port 263 for the power cord 5 to pass through when in use. In this application, the one end of power cord 5 is connected in the circuit module on the pump, and the other end is connected on-vehicle charger 51, can connect the power in inserting the interface that charges on the car. In the present application, the in-vehicle charger 51 and the power cord 5 may be stored in the power cord storage chamber 26.

In this application, be equipped with screens 11 on last casing 1 for block the tire repair liquid bottle, when needing to carry out interim tire repair operation, use the bottleneck card of tire repair liquid bottle on screens 11, be connected to the tire repair liquid bottle with trachea 4 on, connect the drain pipe of tire repair liquid on the tire valve, the pump work back can be squeezed into the tire with tire repair liquid.

Under the normal condition, during the use, place the pump on ground, take out power cord 5 and trachea 4, insert the on-vehicle charger 51 on the power cord and put through power in the interface that charges on the car, connect the one end of trachea 4 on the tire valve, starting switch 14, the pump begins work, squeezes into the tire with gas, and in the working process, can observe the pressure condition through barometer 13.

Above can see, among the inflator pump of this application, redesigned the structure of inside cavity, set up the opposite position of larynx and electric wire export, be located left cavity and right cavity respectively, this structural design has avoided the mutual interference in the design, makes electric wire and tracheal accommodation space obtain promoting, compares in traditional design, can obtain extra trachea and electric wire length of nearly 200MM, makes the user's operation more convenient. In addition, in the current portable vehicle-mounted inflator pump, the air cylinder 7 is made of zinc alloy and is relatively heavy, so that the overall portability of the inflator pump is reduced. In this application, the cylinder has adopted the aluminum alloy material, when guaranteeing mechanical strength and function, weight ratio traditional zinc alloy cylinder has lighter two-thirds, has improved the holistic portability of pump. Simultaneously in this application, cylinder 7's internal surface 77 has Ra 0.79~0.81 high light degree, and smooth finish is high, and friction is little, has increased the holistic life of air pump.

More than, the utility model provides a portable pump through the adjustment to inner structure, makes the structure of pump compacter, and through the selection to the material, it is lighter to make the pump simultaneously, and life is longer. The positions of the throat and the wire outlet are arranged oppositely, so that extra length of the trachea can be obtained, and the operation of a user is more convenient; meanwhile, the integrated barometer design is adopted, and the installation is very simple and quick.

The protection scope of the present invention includes but is not limited to the above embodiments, the protection scope of the present invention is subject to the claims, and any replacement, deformation, and improvement that can be easily conceived by those skilled in the art made by the present technology all fall into the protection scope of the present invention.

Claims (10)

1. The utility model provides a portable inflator pump, includes upper housing (1) and lower housing (2) of cooperation assembly, and inflation assembly arranges in the inside cavity between upper housing (1) and lower housing (2), inflation assembly includes driving motor (6), transmission structure, piston cylinder subassembly, trachea (4), power cord (5), driving motor (6) drive piston cylinder subassembly work through transmission structure, the one end of trachea (4) is connected at piston cylinder subassembly, and the exterior structure is connected to the other end of trachea (4), power cord (5) are arranged in inserting the vehicle mounted power and supply power, its characterized in that:

the piston cylinder assembly comprises a piston (81) and a cylinder (7) which are assembled in a matched mode, the cylinder (7) is made of aluminum alloy, and the inner surface (77) of the cylinder (7) has high luminosity of Ra 0.79-0.81.

2. The portable inflator according to claim 1, wherein the piston (81) is provided with a piston ring (811) at an end thereof, and the piston ring (811) is made of hydrogenated nitrile rubber.

3. The portable inflator according to claim 2, wherein the ring surface (814) of the piston ring (811) is provided with two arc-shaped assembling grooves (815), the end of the piston (81) is provided with two arc-shaped assembling parts (812), and the arc-shaped assembling grooves (815) are matched and assembled with the arc-shaped assembling parts (812).

4. The portable inflator according to claim 1, wherein the transmission structure comprises a first gear (68) arranged on a rotating shaft of the driving motor (6) and a second gear (82) engaged with the first gear (68), the second gear (82) drives the rotating disc (8) to rotate coaxially, and the rotating disc (8) is connected with one end of the piston (81).

5. The portable inflator according to claim 1, wherein the transmission structure is assembled on an assembly plate (9), the assembly plate (9) and the cylinder (7) being of a unitary structure; and the assembly plate (9) is provided with an assembly hole (93).

6. The portable inflator according to claim 1, wherein a fan (61) driven by a motor shaft is arranged on one side of the driving motor (6), and the air outlet (3) is arranged on the side surfaces of the upper shell (1) and the lower shell (2).

7. The portable inflator according to claim 1, wherein the bottom of the lower housing (2) is provided with a power cord placing cavity (26), and the bottom of the power cord placing cavity (26) is provided with a cord locking convex edge (261).

8. The portable inflator according to claim 1, wherein the bottom of the lower housing (2) is provided with a zigzag air pipe clamping groove (24).

9. A portable inflator according to claim 1, wherein the upper housing (1) is provided with a pressure gauge (13) and a switch (14).

10. The portable inflator according to claim 1, wherein a foot pad (22) is provided at a bottom corner of the lower housing.

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