CN106275801A - A pump valve for a tank - Google Patents

Abstract

A pump valve for a can includes a button, a fog point arranged on the button, a main column, a secondary column, a glass ball, a piston, a body and a spring, wherein an annular tongue is arranged on the outer surface of the upper end of the body, and an annular seat is arranged at the lower part of the annular tongue; it also includes a locking cover, a sealing cup and a gasket, wherein the sealing ring is arranged on the flange, the cover body extends through the locking hole of the convex cavity, the axial lower end of the flange cooperates with the limiting device, the top plate of the convex cavity presses the sealing ring and is embedded in the annular groove; the upper end of the body is inserted into the cover body of the locking cover, the annular tongue at the upper end of the body is buckled with the annular protrusion, the upper end of the body cooperates with the top plate of the cover body to stop; the annular seat is fitted with the annular protrusion. Due to the adoption of such a structure, the pump valve is applied to cans containing cosmetics, de-perspirant air fresheners and powdery liquids, eliminating the defects of the prior art that the pressure in the can needs to be maintained, the packaging is inconvenient, and there are safety hazards.

Description

A pump valve for a tank

technical field

The invention relates to a pump valve, in particular to a pump valve for a tank containing liquid or powder.

Background technique

In the current prior art, a pump valve for a tank includes a button, a fog point arranged on the button, a thread, a main column, an auxiliary column, a glass ball, a piston, a body and a spring, and the main column includes a flow guide tube, The guide seat, the diversion seat arranged at the lower end of the diversion tube, the diversion seat has a diversion hole; the auxiliary column includes the upper column core, the diversion chamber and the interface, and there is a liquid outlet hole on the circumferential wall of the diversion chamber; the piston includes The piston body located in the middle, the upper guide tube located at the upper part of the piston body and the lower guide tube located at the lower part; the body includes an upper cavity, a lower cavity and a liquid inlet port, the diameter of the upper cavity is larger than that of the lower cavity, The bottom of the lower chamber has a hollow spring seat. The screw teeth are screwed together with the bottle containing the liquid.

Another kind of pump valve is used for the tank. When it is used, there must be a certain pressure in the tank body, which is inconvenient to close, has potential safety hazards, and is expensive.

Contents of the invention

The purpose of the present invention is to provide a pump valve for a tank, which has the characteristics of no pressure in the tank, convenient packaging and elimination of potential safety hazards.

The present invention is achieved in this way: a pump valve for a tank, including a button, a fog point arranged on the button, a main column, an auxiliary column, a glass ball, a piston, a body and a spring, the main column includes a flow guide tube, a guide seat, the diversion seat arranged at the lower end of the diversion tube, the diversion seat has a diversion hole; the auxiliary column includes a column core, a diversion chamber and an interface located on the upper part, and there is a liquid outlet on the circumferential wall of the diversion chamber; the piston includes a The piston body in the middle, the upper guide tube located at the upper part of the piston body and the lower guide tube located at the lower part; the body includes an upper cavity, a lower cavity and a liquid inlet interface, the diameter of the upper cavity is larger than that of the lower cavity, and the lower cavity The bottom of the cavity has a hollow spring seat; its special features are:

An annular tab is provided on the outer surface of the upper end of the body, and an annular seat is provided at the lower part of the annular tab;

Also includes a locking cap, sealing cup and gasket,

The lock cover comprises a lower opening cover body, a flange surrounding the opening end of the cover body and a main column guideway located in the center of the cover body,

There is an annular protrusion on the inner wall of the cover body, and an annular groove is arranged on the peripheral surface of the cover body adjacent to the flange;

The sealing cup includes a cup body with an upper opening, a flange on the upper opening of the cup body connected to the mouth of the tank, a convex cavity with a lower opening on the bottom plate of the cup body, and a locking hole arranged on the top plate of the convex cavity, There is a limiting device on the inner wall of the convex cavity;

The sealing ring is arranged on the flange, the cover protrudes through the locking hole of the convex cavity, the axial lower end of the flange cooperates with the limit device, the top plate of the convex cavity presses the sealing ring and embeds it in the annular groove; The upper end of the body is inserted into the cover body of the lock cover, the annular tongue on the upper end of the body is fastened with the annular protrusion, and the upper end of the body cooperates with the top plate of the cover to stop; the annular seat fits with the annular protrusion.

The above-mentioned pump valve for a tank is special in that: there are air supply grooves on the ring tab and the ring seat.

The above-mentioned pump valve for a tank is special in that: the limiting device is composed of several protrusions distributed in a circle.

The special feature of the above-mentioned pump valve for tanks is that the sealing cup is made of sheet metal, and the protrusion is made of the convex cavity wall from the radially outer side to the radially inner side.

The above-mentioned pump valve for a tank is special in that: a frustum-shaped portion is provided adjacent to the guide pipe and the guide seat;

There is a sink hole at the lower end of the guide way of the main column, and the truncated conical part cooperates with the inner wall of the sink hole.

The present invention is a pump valve for tanks. Due to the adoption of such a structure, the pump valve is applied to tanks containing cosmetics, sweat-removing liquid air fresheners and powdery liquids, which eliminates the need to maintain the pressure in the tank in the prior art. The encapsulation is inconvenient and there are defects of potential safety hazards.

Description of drawings

Fig. 1 is a sectional view of the present invention.

Fig. 2 is an exploded perspective view of the present invention.

Fig. 3 is a perspective view of the sealing cup of the present invention.

Fig. 4 is a three-dimensional sectional view of the locking cover of the present invention.

detailed description

The present invention will be further described below in conjunction with the accompanying drawings.

As shown in Figure 1, a pump valve for a tank includes a button 1, a fog point 2 set on the button, a main column 3, an auxiliary column 4, a glass ball 5, a piston 6, a body 7 and a spring 8, the main The column 3 includes a guide tube 31, a guide seat 32, a guide seat 33 arranged at the lower end of the guide tube, and the guide seat 33 has a guide hole; the auxiliary column 4 includes a column core 41 located on the upper part, a guide cavity 42 and an interface 43, there is a liquid outlet hole on the circumferential wall of the guide cavity 42; the piston 6 includes a piston body 61 located in the middle, an upper guide tube 62 located at the upper part of the piston body, and a lower guide tube 63 located at the lower part; the body 7 includes an upper cavity 71. The lower chamber 72 and the liquid inlet port 73, the diameter of the upper chamber 71 is larger than the diameter of the lower chamber 72, and the bottom of the lower chamber 72 has a hollow spring seat 74. The guide tube 31 of the main column 3 is plugged and fixedly connected with the guide channel of the button 1; the hollow spring seat 74 is inserted into the lower end of the spring 8, and the lower end of the spring 8 is supported and matched with the bottom plate of the lower cavity 72;

The lower guide tube 63 of the piston 6 is inserted into the upper end of the spring 8, the piston body 61 is slidably matched with the inner wall of the lower chamber 72 and is liquid-gas-tight, and the upper guide tube 62 is plugged and fixedly connected with the interface 43 of the auxiliary column 4. Together; the upper end of the column core 41 of the auxiliary column 4 cooperates with the guide seat 33 of the main column 3, and the glass ball 5 is arranged on the inverted conical seat of the upper end of the upper guide tube 62; the guide seat 32 of the main column and the upper cavity The inner wall of 72 is a sliding fit and is liquid and gas tight.

The outer surface of the upper end of the body 7 is provided with an annular tab 75, and the lower part of the annular tab 75 is provided with an annular seat 76;

Also includes a lock cover 9, sealing cup 10 and gasket 11,

The lock cover 9 includes a lower opening cover body 91, a flange 92 surrounding the opening end of the cover body and a main post guideway 93 located at the center of the cover body,

There is an annular protrusion 911 on the inner wall of the cover body 91, and an annular groove 912 is provided on the peripheral surface of the cover body 91 adjacent to the flange 92;

The sealing cup 10 includes a cup body 101 with an upper opening, a flange 102 connected to the mouth of the tank on the upper opening of the cup body, a convex cavity 103 with a lower opening on the bottom plate of the cup body, and a convex cavity arranged on the top plate of the convex cavity. The locking hole 104 has a stopper 105 on the inner wall of the convex cavity;

The sealing ring 11 is arranged on the flange 92, the cover body 91 protrudes through the locking hole 104 of the convex cavity 103, the axial lower end of the flange 92 cooperates with the limit device 105, and the flange 92 is kept in the convex cavity 103 between the top plate of the convex cavity 103 and the stopper 105; the top plate of the convex cavity 103 presses the sealing ring 11 and embeds it in the annular groove 912; The tongue 75 is fastened with the annular protrusion 911 , and the upper end of the body 7 cooperates with the top plate of the cover 91 to stop; the annular seat 76 fits with the annular protrusion 911 .

The limiting device 105 is composed of several protrusions distributed in a circle.

The sealing cup 10 is made of sheet metal, and the protrusion is made of the wall of the convex cavity 103 protruding from the radially outer side to the radially inner side.

There is an air supply groove 77 on the annular tongue 75 and the annular seat 76; the air supply groove 77 includes a radial portion 771 on the upper end of the body and an axial portion 772 on the outer surface.

The guide tube 31 is provided with a truncated conical portion 34 adjacent to the guide seat 32;

The lower end of the main column guide 93 has a sink hole 931 , and the frustum-shaped portion 34 fits with the inner wall of the sink hole 931 .

When it is used to pack cosmetics, sweat-removing air fresheners and cans with powdery liquids, it is not necessary to inflate and pressurize the cans when filling and sealing the cans, which eliminates the safety hazards of the prior art.

In the state shown in Figure 1, press the button 1 downward, the main column 3, the auxiliary column 4 and the piston 6 move downward, the glass ball 5 leaves the inverted truncated cone seat at the upper end of the upper guide tube 62, and the liquid in the tank passes through the lower chamber Body 72, the liquid outlet of the lower guide tube 63 of piston 6, the piston body 61, the upper guide tube 62, the guide chamber 42 of the secondary column 4, then enter the upper cavity body 71, the guide seat 33, the guide tube 31, and finally sprayed through the mist point 2 on the button 1. In the tank, through the gap between the guide tube 31 of the main column 3 and the main column guideway 93, the gap between the upper cavity 71 of the body 7 and the main column guideway 93, the air supply groove 77 enters the tank, thereby Realize, the inside of the tank communicates with the atmosphere, and the internal and external pressures are balanced.

What has been described above are only preferred embodiments of the present invention. It should be noted that, for those skilled in the art, some improvements and modifications can be made without departing from the principle of the present invention, which are also regarded as the protection scope of the present invention.

Claims (5)

1. for a pump valve for tank, the cloud point including button, being arranged on button, principal post, subpost, glass bead, piston, body And spring, principal post includes mozzle, guide holder, is arranged on the diversion seat of mozzle lower end, and diversion seat has pod apertures；Subpost includes Superposed post core, diversion cavity and interface, the circumferential wall of diversion cavity has liquid outlet；Piston includes the piston being positioned at middle part Body, it is positioned at the upper mozzle on piston body top and is positioned at the lower mozzle of bottom；Body includes that upper cavity, lower chamber and feed liquor connect Mouthful, the diameter of upper cavity is more than the diameter of lower chamber, and the spring base of hollow is arranged at the bottom of lower chamber；It is characterized in that:

Being provided with annular block tongue on the upper end outer surface of described body, annular snap hypogloeeis is provided with annular seating；

Also include a locking closure, sealing cup and packing ring,

Described locking closure includes the lid of under shed, the flange of cincture lid opening and is positioned at the principal post guiding road at lid center,

Annular protrusion, lid circumferential surface and flange adjacent is had to be provided with annular groove on the inwall of lid；

Cup, the flange being connected with tank mouth being positioned in cup upper shed that described sealing cup includes upper shed, it is positioned at cup base plate Go up and have convex chamber and the locking holes being arranged on the top board of convex chamber, the limited location device on the inwall in convex chamber of under shed；

Described sealing ring is arranged on flange, and lid stretches out through the locking holes in convex chamber, the lower axial end of flange and stopping means Coordinating, the top board in convex chamber compresses in sealing ring embedded rings connected in star；The upper end of described body is inserted in the lid of locking closure, body The annular block tongue of upper end fastens with annular protrusion, and the upper end of body coordinates stop bit with the top board of lid；Annular seating and annular protrusion Laminating.

A kind of pump valve for tank the most according to claim 1, it is characterised in that: have on described annular block tongue and annular seating QI invigorating groove.

A kind of pump valve for tank the most according to claim 1, it is characterised in that: described stopping means have some projections in Circular distribution is constituted.

A kind of pump valve for tank the most according to claim 3, it is characterised in that: described sealing cup is made up of sheet metal, Described projection is made up to radially inner side is convex of radial outside of convex cavity wall.

5. according to a kind of pump valve for tank described in claim 1,2,3 or 4, it is characterised in that: described mozzle and guiding Seat adjacent is provided with truncated cone portion；

Described principal post guides the lower end in road has lower counterbore, truncated cone portion to coordinate with lower counterbore inwall.