CN111156148A

CN111156148A - Inflator with rotary pressure gauge

Info

Publication number: CN111156148A
Application number: CN202010083371.6A
Authority: CN
Inventors: 王罗平
Original assignee: Kunshan Shiquan Plastic Hardware Products Co ltd
Current assignee: Kunshan Shiquan Plastic Hardware Products Co ltd
Priority date: 2020-02-09
Filing date: 2020-02-09
Publication date: 2020-05-15

Abstract

The invention discloses an inflator with a rotary pressure gauge, which comprises an inflating unit, a gauge body unit and an air guide unit. The inflating unit is provided with an air outlet channel extending along a first axis and an inserting channel extending along a second axis which is transverse to the first axis at intervals, and the inserting channel is partially communicated with the air outlet channel; the gauge body unit comprises a pressure gauge and a protruding shaft which protrudes outwards from the pressure gauge and is inserted into the air outlet channel, and the protruding shaft is provided with a circular groove which is recessed and formed on the outer peripheral surface and is correspondingly communicated with the inserting channel; the air guide unit comprises a manifold extending into the inserting channel and embedded and clamped in the annular groove. The invention has the efficacy of positioning really through the structural design that the manifold is embedded and clamped with the protruding shaft.

Description

Inflator with rotary pressure gauge

Technical Field

The invention relates to an inflator, in particular to an inflator with a rotary pressure gauge.

Background

The air pump in the market is of various types, and generally comprises an air pumping main body, a pressure gauge and an air duct. The inflating main body is provided with a base, a cylinder seat extending upwards from the base, and a piston rod extending into the cylinder seat in a vertically movable mode. The base defines a gas outlet channel communicated with the cylinder seat. The piston rod moves downwards to compress air, and high-pressure air is generated and sent into the air outlet channel. The pressure gauge is communicated with the air outlet channel and can display the pressure of the high-pressure gas. The air duct is communicated with the air outlet channel and used for guiding the high-pressure gas to be output outwards.

However, since the pressure gauge is screwed on the base to adjust the angle when in use, the screw design not only causes the problem of difficult positioning, but also is easy to loosen after long-term use, and thus the design of the inflator still needs to be improved.

Disclosure of Invention

The present invention aims to provide a pump with a rotary pressure gauge which overcomes at least the drawbacks of the background art.

The invention discloses an inflator with a rotary pressure gauge, which comprises an inflating unit, a gauge body unit and an air guide unit, wherein the gauge body unit comprises the pressure gauge, the inflating unit defines an air outlet channel extending along a first axis, an inserting channel extending along a second axis which is transverse to the first axis at intervals, the inserting channel is locally communicated with the air outlet channel, the gauge body unit also comprises a protruding shaft which protrudes outwards from the pressure gauge and is inserted into the air outlet channel, the protruding shaft is provided with a circular groove which is concavely formed on the outer peripheral surface and is correspondingly communicated with the inserting channel, and the air guide unit comprises a manifold extending into the inserting channel and is embedded and clamped in the circular groove.

The invention relates to an inflator with a rotary pressure gauge, wherein a protruding shaft is provided with a shaft hole which is communicated with the pressure gauge from one end far away from the pressure gauge, and a through hole which is transversely communicated with the outer peripheral surface from the shaft hole and is correspondingly communicated with a ring groove.

The air guide unit further comprises a hose connected with one end of the manifold and an inflating head arranged at one end, far away from the manifold, of the hose, the manifold is provided with a through hole communicated to the hose from one end, far away from the hose, and a through hole transversely communicated to the outer peripheral surface from the through hole and correspondingly communicated with the annular groove.

The section of the ring groove is arc-shaped, the section of the inserting channel is circular, and the manifold is a circular pipe with a local peripheral surface embedded in the ring groove.

The invention discloses an inflator with a rotary pressure gauge, wherein the air guide unit further comprises an end cover detachably sleeved at one end of the manifold, which is far away from the hose.

The air guide unit of the inflator with the rotary pressure gauge further comprises an air sealing piece sleeved between one end, far away from the hose, of the manifold and the end cover.

The inflating unit comprises a base, the base is provided with a boss part forming a first inclined surface, the first inclined surface is perpendicular to the first axis, the pressure gauge is provided with a surface and a second inclined surface which forms an included angle with the surface and is attached to the first inclined surface, the protruding shaft protrudes out of the pressure gauge along the first axis in an inclined mode, the protruding shaft is rotatably pivoted in the air outlet channel, and the second inclined surface rotates relative to the first inclined surface, so that the gauge body unit can be switched between a use position where the surface of the pressure gauge extends transversely and a folding position where the surface of the pressure gauge extends in a straight direction relative to the inflating unit.

According to the inflator with the rotary pressure gauge, the second inclined plane of the pressure gauge is perpendicular to the first axis, is the same as the first inclined plane of the boss portion in slope, and is an inclined plane with an included angle of 45 degrees with the surface, the surface is horizontally placed when the gauge body unit is in the use position, and the surface is vertically placed when the gauge body unit is in the folded position.

The invention relates to an inflator with a rotary pressure gauge, wherein the inflating unit further comprises a cylinder base, a piston rod, a pedal and an elastic piece, the cylinder base extends upwards from the side of the boss part of the base, the piston rod can extend into the cylinder base in a vertically moving mode and is matched with the cylinder base to define an actuating space, the pedal is arranged at the top end of the piston rod and can be used for pressing the piston rod downwards, and the elastic piece is arranged between the cylinder base and the piston rod and is provided with elastic force for driving the piston rod to reset upwards after being pressed downwards.

The invention discloses an inflator with a rotary pressure gauge, wherein the inflating unit further comprises an auxiliary piece which is rotatably arranged on one side of the base opposite to the boss part, when the gauge body unit is located at the using position, the auxiliary piece swings away from the cylinder seat and is horizontally placed on the ground downwards, and when the gauge body unit is located at the folding position, the auxiliary piece swings towards the cylinder seat and is upwards clamped to limit the pedal.

The invention relates to an inflator with a rotary pressure gauge, wherein the inflating unit further comprises a cylinder base, a piston rod and a handle, the cylinder base extends upwards from the side of the boss part of the base, the piston rod extends into the cylinder base in a vertically movable mode and is matched with the cylinder base to define an actuating space, and the handle is arranged at the top end of the piston rod and can be held by a hand to press the piston rod downwards.

The invention discloses an inflator with a rotary pressure gauge, wherein the inflating unit further comprises an auxiliary piece fixedly formed on at least one side of the base for positioning by stepping.

The invention has the beneficial effects that: the protruding shaft is embedded and clamped through the manifold, so that the positioning can be realized without worrying about loosening.

Drawings

Other features and effects of the present invention will become apparent from the following detailed description of the embodiments with reference to the accompanying drawings, in which:

fig. 1 is an exploded perspective view of an embodiment of the pump with a rotary pressure gauge of the present invention;

FIG. 2 is a cross-sectional side view of the embodiment illustrating an inflation unit in a reset state with a watch body unit in a use position;

FIG. 3 is an enlarged fragmentary cross-sectional view of the embodiment;

FIG. 4 is a view similar to FIG. 2 illustrating the pumping unit in a pumping state;

FIG. 5 is a view similar to FIG. 4, illustrating the watch body units in a stowed position;

fig. 6 is an exploded perspective view of a second embodiment of the pump with rotary pressure gauge of the present invention;

FIG. 7 is a cross-sectional side view of the second embodiment illustrating the watch body unit in the use position.

Detailed Description

Before the present invention is described in detail, it should be noted that in the following description, like components are denoted by the same reference numerals.

Referring to fig. 1, 2 and 3, a first embodiment of the pump with a rotary pressure gauge according to the present invention includes an inflating unit 1, a gauge body unit 2 and an air guiding unit 3.

As for the internal space, the pumping unit 1 defines an actuating space 11 for compressing air therein to generate high-pressure air, an air outlet channel 12 extending along a first axis 121 and communicating with the actuating space 11, and an inserting channel 13 extending along a second axis 131 transverse to the first axis 121, the inserting channel 13 partially communicating with the air outlet channel 12.

In view of the basic structure, the pumping unit 1 of the first embodiment is in the form of a pedal-type inflator, and the pumping unit 1 includes a base 14, a cylinder base 15 protruding from the base 14 in a vertical direction, a piston rod 16 extending into the cylinder base 15 in a vertically movable manner and cooperating with the cylinder base 15 to define the actuating space 11, a pedal 17 disposed at the top end of the piston rod 16 and capable of pressing the piston rod 16, an elastic member 18 disposed between the cylinder base 15 and the piston rod 16 and having an elastic force for restoring the piston rod 16 upward after being pressed, and an auxiliary member 19 rotatably mounted on one side of the base 14.

The base 14 has a boss portion 141 located on a side of the base 15 opposite to the auxiliary member 19 and protruding outward, the boss portion 141 is formed with a first inclined surface 142 facing away from the base 15 and a channel surface 143 surrounding and defining the outlet channel 12, the first inclined surface 142 gradually inclines downward from a side close to the base 15 to a side away from the base 15, and is perpendicular to the first axis 121 and forms a 45-degree included angle with the base 15, and the outlet channel 12 inclines and recesses into the first inclined surface 142 along the first axis 121. The pedal 17 has a catching groove 171 formed on the top surface. The elastic member 18 is a compression spring. The auxiliary member 19 is U-shaped and has two side rod segments 191 spaced apart from each other at two sides of the pedal 17 and having one end pivotally connected to the base 14, and a connecting rod segment 192 connecting one end of the side rod segment 191 away from the base 14 and corresponding to the clamping groove 171.

The gauge body unit 2 includes a pressure gauge 21, and a protruding shaft 22 protruding from the pressure gauge 21 and hermetically inserted into the air outlet channel 12. The pressure gauge 21 has a surface 211 and a second inclined surface 212 attached to the first inclined surface 142 of the boss 141, and the second inclined surface 212 is perpendicular to the first axis 121 and has the same slope as the first inclined surface 142 of the boss 141, and both inclined surfaces form an angle of 45 degrees with the surface 211. The protruding shaft 22 obliquely protrudes from the pressure gauge 21 along the first axis 121, is perpendicular to the second inclined surface 212, and is rotatably pivoted in the air outlet channel 12, the protruding shaft 22 has a shaft hole 221 extending along the first axis 121 and communicating with the pressure gauge 21 from one end away from the pressure gauge 21, a through hole 222 crossing the shaft hole 221 and communicating with the outer peripheral surface, and a groove 223 formed in a circle on the outer peripheral surface and communicating the through hole 222 with the inserting channel 13.

The air guide unit 3 is used for guiding the high-pressure gas is outwards exported, and includes one and stretches into inlay and insert passageway 13 and inlay card in the manifold 31, one of annular 223 is connected the one end of manifold 31 and the hose 32 that outwards extends, one install in the hose 32 is kept away from the one end of manifold 31 and is supplied high-pressure gas spun inflation head 33, one can be detached the cover and locate the end cover 34 of the other end of manifold 31, and one cover is located the manifold 31 is kept away from the one end of hose 32 with airtight piece 35 between the end cover 34. The manifold 31 has a through hole 311 communicating with the hose 32 from an end away from the hose 32, and a through hole 312 communicating with the annular groove 223 from the through hole 311 to an outer peripheral surface.

It should be mentioned that the cross section of the ring groove 223 of the protruding shaft 22 is circular arc, and the cross section of the inserting channel 13 communicating with the ring groove 223 is circular, and the manifold 31 inserted into the ring groove 223 and the inserting channel 13 is tubular. Therefore, in assembly, the protruding shaft 22 is inserted into the air outlet channel 12, the manifold 31 is inserted from one end of the inserting channel 13, and the end cap 34 is screwed onto the manifold 31 from the other end of the inserting channel 13, so that the manifold 31 can be positioned in the inserting channel 13 without being detached, and the protruding shaft 22 can be engaged and limited by the design that the partial outer peripheral surface of the manifold 31 is engaged with the annular groove 223, so that the protruding shaft 22 can be positioned in the air outlet channel 12 without being detached and can rotate around the first axis 121.

In the following, the pump is further described, the auxiliary member 19 is swung away from the base 15 and laid down on the ground, then one foot is placed on the auxiliary member 19, and the other foot is placed on the pedal 17, when the pedal 17 is pressed, the piston rod 16 is pressed down as shown in fig. 4, so as to compress the air in the actuating space 11 into high-pressure air, and the high-pressure air flows into the air outlet channel 12 and into the pressure gauge 21 from the protruding shaft 22, and also flows into the hose 32 from the manifold 31 and then is discharged from the air charging head 33. When the pedal 17 is not pressed, the piston rod 16 is driven to rise by the return elastic force of the elastic member 18 as shown in fig. 2, so as to return to the original state, and the air can be pressed again.

It should be noted that, during the use, the angle of the pressure gauge 21 can be changed according to the requirement, when adjusting, only the pressure gauge 21 is rotated to make the protruding shaft 22 rotate 180 degrees in situ in the air outlet channel 12, the second inclined surface 212 rotates relatively to the first inclined surface 142, so that the gauge body unit 2 is switched between a use position (see fig. 2) and a retracted position (see fig. 5) relative to the inflating unit 1, as shown in fig. 2, when the gauge body unit 2 is in the use position, the surface 211 extends horizontally and is horizontally disposed upward, when the inflating unit 1 is inflated, the pressure can be viewed while the inflating is performed, and when the gauge body unit 2 is in the retracted position, the surface 211 extends vertically and is vertically disposed outward, so as to facilitate the retraction. As shown in fig. 5, when the watch unit 2 is located at the retracted position, the auxiliary member 19 can be further pushed against the barrel 15 and swing upward, and the connecting rod 192 is correspondingly engaged with the engaging groove 171 to limit the pedal 17 from moving and inflating. Finally, the hose 32 can be positioned around the periphery of the cartridge 15 to reduce the volume.

Referring to fig. 6 and 7, a second embodiment of the pump with a rotary pressure gauge according to the present invention is substantially the same in structure as the first embodiment, with the difference that: the inflating unit 1 has a different configuration, the inflating unit 1 of the second embodiment is a hand pump, the inflating unit 1 also includes the base 14, the cylinder base 15, and the piston rod 16, except that the inflating unit 1 further includes a handle 17' disposed at the top end of the piston rod 16 to replace the pedal 17 shown in fig. 1, so as to allow a user to hold the pedal 17 for inflating, and the inflating unit 1 also omits the elastic member 18 shown in fig. 1, and modifies the auxiliary member 19 to be a pedal fixedly formed on at least one side of the base 14, so that the base 14 can be stably supported on a ground surface, and can be positioned by the user when in use.

In summary, the inflator with the rotary pressure gauge of the present invention has the design that the protruding shaft 22 is inserted and clamped in the manifold 31, so as to have the efficacy of reliable positioning, not easy to loosen, and capable of improving the yield rate and prolonging the service life of the product, thereby achieving the purpose of the present invention.

In addition, according to the inflator with the rotary pressure gauge, the angle of the surface 211 can be changed by rotating the pressure gauge 21 through the design of the first inclined surface 142 of the base 14 and the second inclined surface 212 of the pressure gauge 21, the surface 211 is horizontal in the use position so as to be convenient for viewing, the size of the surface 211 can be relatively increased so as to be convenient for reading the pressure value, and the surface 211 is vertical in the folding position so as not to protrude out of the base 14, so that the accommodating space can be reduced, and the packaging volume can be reduced.

The above description is only an example of the present invention, and the scope of the present invention should not be limited thereby, and the invention is still within the scope of the present invention by simple equivalent changes and modifications made according to the claims and the contents of the specification.

Claims

1. A pump with a rotary pressure gauge, comprising: the unit of inflating, table body unit, and the air guide unit, table body unit includes the manometer, its characterized in that: the unit of inflating defines out the passageway of giving vent to anger along the primary shaft line extension, and along with the passageway is inserted in inlaying that the second axis line of primary shaft line interval cross extends, inlay and insert the local intercommunication of passageway give vent to anger the passageway, table body unit still include by the manometer is past outer projection and insert the protruding axle of giving vent to anger the passageway, protruding axle of stretching has sunken formation in the outer peripheral face and corresponds the intercommunication inlay the annular of inserting the passageway, the air guide unit is including stretching into inlay the passageway and inlay the card in the manifold of annular.

2. The pump according to claim 1, wherein the pump with rotary pressure gauge is characterized in that: the protruding shaft is provided with a shaft hole which is communicated with the pressure gauge from one end far away from the pressure gauge, and a through hole which is transversely communicated with the peripheral surface from the shaft hole and is correspondingly communicated with the annular groove.

3. The pump according to claim 2, wherein the pump with rotary pressure gauge is characterized in that: the air guide unit also comprises a hose connected with one end of the manifold and an inflation head arranged at one end of the hose far away from the manifold, and the manifold is provided with a through hole communicated to the hose from one end far away from the hose and a through hole transversely communicated to the peripheral surface from the through hole and correspondingly communicated with the annular groove.

4. A pump according to claim 3, wherein the pump has a rotary pressure gauge, and the pump is characterized in that: the section of the ring groove is arc-shaped, the section of the inserting channel is circular, and the manifold is a circular pipe with a local peripheral surface embedded in the ring groove.

5. The pump according to claim 4, wherein the pump with rotary pressure gauge is characterized in that: the air guide unit further comprises an end cover detachably sleeved at one end, far away from the hose, of the manifold.

6. The pump according to claim 5, wherein the pump with rotary pressure gauge is characterized in that: the air guide unit further comprises an air sealing piece sleeved between one end of the manifold far away from the hose and the end cover.

7. The pump according to any one of claims 1 to 6, wherein the pump with rotary pressure gauge is characterized in that: the inflating unit comprises a base, the base is provided with a boss part forming a first inclined plane, the first inclined plane is perpendicular to the first axis, the pressure gauge is provided with a surface and is attached to a second inclined plane of the first inclined plane in an included angle mode, the protruding stretching shaft protrudes out of the pressure gauge in an inclined mode along the first axis, and the protruding stretching shaft is rotatably pivoted in the air outlet channel.

8. The pump according to claim 7, wherein the pump with rotary pressure gauge is characterized in that: the second inclined plane of the pressure gauge is perpendicular to the first axis, has the same slope as the first inclined plane of the boss part, and is inclined plane with the surface at an included angle of 45 degrees.

9. The pump according to claim 8, wherein the pump with rotary pressure gauge is characterized in that: the unit of inflating still include by the base the boss portion side up projecting barrel holder, can stretch into with reciprocating in the barrel holder and with the barrel holder cooperatees and defines out the piston rod, the setting in actuating the space are in the piston rod top just can supply to trample and push down the pedal of piston rod, and set up the barrel holder with between the piston rod and have the driving about the elastic component of the elasticity that upwards resets after the piston rod pushes down.

10. A pump according to claim 9, wherein the pump has a rotary pressure gauge, and the pump is characterized in that: the pumping unit further includes an auxiliary member rotatably installed at a side of the base opposite to the boss portion.

11. The pump according to claim 8, wherein the pump with rotary pressure gauge is characterized in that: the inflating unit further comprises a cylinder base, a piston rod and a handle, wherein the cylinder base is protruded upwards from the side of the boss portion of the base, the piston rod can stretch into the cylinder base in a vertically moving mode and is matched with the cylinder base to define the actuating space, and the handle is arranged at the top end of the piston rod and can be held by a hand to press the piston rod downwards.

12. A pump according to claim 11, wherein the pump has a rotary pressure gauge, and the pump is characterized in that: the inflating unit also comprises an auxiliary piece fixedly formed on at least one side of the base for positioning by stepping.