CN206417377U - A volumetric lotion pump - Google Patents

Abstract

A positive displacement emulsion pump comprises a press head, a lock cover, screw teeth, a main column, a glass ball, a body and a suction pipe arranged at the lower end of the body, wherein the press head comprises a liquid outlet part, an interface pipe part and an outer sleeve part; the variable volume liquid absorbing part is hollow and provided with an upper opening, the bottom plate is provided with a through hole, the valve core piece is arranged in the through hole, and the valve core piece is connected with the through hole through a connecting rib; the volume-variable liquid absorbing piece, the valve core sheet and the connecting ribs are made of plastic or rubber materials; the upper end and the lower connecting part of the volume-variable liquid absorbing piece are fixedly connected and liquid-gas sealed, the lower end is fixedly connected and liquid-gas sealed with the bottom plate of the body, and the valve core piece is matched with the liquid inlet hole. Due to the adoption of the structure, the volume-variable liquid absorbing piece and the valve core piece are arranged, compared with the prior art, the spring is omitted, the liquid is prevented from being polluted by metal, and the operation is convenient.

Description

A volumetric lotion pump

technical field

The invention relates to a lotion pump.

Background technique

In the current prior art, a lotion pump includes a press head, a lock cover, a thread, a main column, an auxiliary column, a spring, a glass ball, a body and a suction pipe arranged at the lower end of the body, and the press head includes a liquid outlet mouth and a mouthpiece. The lock cover includes a cover body with a lower opening, a main column guide tube passing through the center of the cover body, and an outer sleeve arranged on the top of the cover body; the upper end of the body is provided with a flange, and the upper part of the flange is provided with an interface. The bottom is provided with a liquid inlet hole and a suction pipe interface; the main column includes an upper joint part, a middle guide part and a lower connecting part. And the middle guide part of the main column is slidably matched with the guide tube of the main column. The problem is that when the liquid flows through the body, it will be polluted by metal.

Contents of the invention

The object of the present invention is to provide a volumetric lotion pump which can effectively prevent liquid contamination and is easy to use.

The present invention is achieved in the following way: a volumetric lotion pump, comprising a press head, a lock cover, a thread, a main column, a glass ball, a body and a suction pipe arranged at the lower end of the body, and the press head includes a liquid outlet mouth and a mouthpiece and the outer casing; the lock cover includes a cover with a lower opening and a main column guide tube that runs through the center of the cover; the upper end of the body is provided with a flange, the upper part of the flange is provided with an interface, and the bottom is provided with a liquid inlet hole and a suction pipe interface; the main body The column includes an upper joint part, a middle guide part and a lower connecting part. The bottom of the upper joint part is set on a glass ball seat, and the upper joint part is inserted into the interface pipe part. The interface pipe part of the head and the middle guide part of the main column are guided by the main column tube slip fit;

Its special feature is that it also includes variable volume suction parts and valve chips,

The variable volume suction part is hollow with an upper opening and a through hole on the bottom plate.

The valve chip is arranged in the through hole, and the valve chip and the through hole are connected by connecting ribs; the variable volume liquid suction part, the valve chip and the connecting rib are made of plastic or rubber materials;

The upper end of the variable volume liquid suction part is fixedly connected with the lower connection part and is liquid-gas sealed, the lower end is fixedly connected with the bottom plate of the body and is liquid-gas sealed, and the valve chip is matched with the liquid inlet hole.

The above-mentioned volumetric lotion pump is special in that: the volume-variable liquid-absorbing part is corrugated.

The above-mentioned volumetric lotion pump is special in that: the lower end of the lower connection part is provided with an annular slot;

There is a cylindrical seat surrounding the liquid inlet hole on the body bottom plate of the body;

The upper end of the variable-volume liquid-absorbing member is provided with an annular interface, and the lower end is provided with a fixing seat;

The ring interface is inserted into the ring slot, and the fixing seat is inserted into the cylindrical seat.

The above-mentioned volumetric lotion pump is special in that: the middle guide part of the main column moves up and down along the axis relative to the main column guide tube of the lock cover;

The press head is provided with an outer sleeve on the top of the cover.

The above-mentioned volumetric lotion pump is characterized in that: the outer surface of the middle guide part of the main column is provided with an axial guide protrusion,

The guide tube of the main column of the lock cover is provided with a guide groove; the guide protrusion and the guide groove are fitted and slidably matched.

The above-mentioned volumetric emulsion pump is special in that: the upper joint of the main column is provided with a ring-shaped guide rail, and the upper joint of the main column is provided with a radial liquid outlet hole;

The annular guide groove in the interface pipe part of the press head, and the socket is provided on the top plate of the interface pipe part;

The socket is inserted into the upper joint and rotated to fit, the annular guide rail and the annular guide groove are fitted and slidably fitted, and the press head rotates relative to the main column; the radial liquid outlet hole is matched with the liquid inlet end of the liquid outlet nozzle on the press head;

There is no axial protrusion along the axis on the outer surface of the mouthpiece of the press head;

The main column guide tube of the lock cover has an axial groove and an arc-shaped guide stop groove communicating with the axial concave machine groove,

The axial protrusion and the axial groove slide up and down, and the axial protrusion and the arc-shaped guide stop groove rotate and stop;

When the head is in a certain phase, when the axial protrusion is opposite to the axial groove, the radial liquid outlet hole is opposite to and communicated with the liquid inlet end of the liquid outlet;

Press the head in another phase, the axial projection is located in the guide stop groove, and the upper joint part seals the liquid inlet end of the liquid outlet nozzle.

The above-mentioned volumetric emulsion pump is special in that: the upper joint of the main column is provided with a ring-shaped guide rail, and the upper joint of the main column is provided with a radial liquid outlet hole;

The annular guide groove in the interface pipe part of the press head, and the socket is provided on the top plate of the interface pipe part;

The socket is inserted into the upper joint and rotated to fit, the annular guide rail and the annular guide groove are fitted and slidably fitted, and the press head rotates relative to the main column; the radial liquid outlet hole is matched with the liquid inlet end of the liquid outlet nozzle on the press head;

There is no axial protrusion along the axis on the outer surface of the mouthpiece of the press head;

The main column guide tube of the lock cover has an axial groove and an arc-shaped guide stop groove communicating with the axial concave machine groove,

The axial protrusion and the axial groove slide up and down, and the axial protrusion and the arc-shaped guide stop groove rotate and stop;

When the head is in a certain phase, when the axial protrusion is opposite to the axial groove, the radial liquid outlet hole is opposite to and communicated with the liquid inlet end of the liquid outlet;

Press the head in another phase, the axial projection is located in the guide stop groove, and the upper joint part seals the liquid inlet end of the liquid outlet nozzle.

The above-mentioned volumetric lotion pump is characterized in that: the lower connecting part of the main column includes a baffle plate and a diversion head located at the lower part of the baffle plate, and there are several radial diversion holes on the diversion head;

It also includes an upper cover, the upper cover includes a cover plate, an annular socket seat with an annular socket slot on the lower surface of the cover plate, an annular protrusion on the upper surface of the cover plate and a guide hole in the center of the cover plate,

The upper opening of the variable-volume liquid-absorbing part is inserted into the annular insertion groove of the upper cover, and the upper cover is slidably matched with the body; the guide head is slidably matched with the guide hole, and the baffle plate is matched with the cover plate in the annular protrusion to stop at the lower position , the baffle plate and the sinking hole at the lower end of the guide tube of the main column cooperate with the upper stop position;

The above-mentioned volumetric lotion pump is special in that: the press head is also provided with a guide sleeve surrounding the mouthpiece;

The upper end of the main post guide tube fits in and out with the gap between the guide sleeve and the mouthpiece.

It also includes an elastic fork, which is detachably connected with the main column guide tube located on the upper part of the lock cover,

The upper end of the fork cooperates with the guide sleeve, and the lower end cooperates with the top plate of the cover body of the lock cover.

The above-mentioned volumetric lotion pump is characterized in that: the fork includes a locking sleeve with an axial notch and a handle arranged on the locking sleeve.

Compared with the prior art, a volumetric lotion pump of the present invention adopts such a structure, variable-volume liquid-absorbing part and valve chip, which saves the spring, prevents the liquid from being polluted by metal, and is easy to operate.

Description of drawings

Fig. 1 is a top view of the lower state when the present invention works.

Fig. 2 is the A-A view of Fig. 1 .

Fig. 3 is a sectional view of the upper state when the present invention works.

Fig. 4 is a top view of the locked state of the present invention.

Fig. 5 is a schematic diagram of state transition in the present invention.

Fig. 6 is a BB view of Fig. 4 .

Fig. 7 is one of the three-dimensional exploded views of the present invention.

Fig. 8 is the second perspective exploded view of the present invention.

Fig. 9 is a cross-sectional view of a second embodiment of the present invention.

Fig. 10 is a perspective view of a second embodiment of the present invention.

Fig. 11 is an exploded perspective view of the second embodiment 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, Figure 2, Figure 3, Figure 6, and Figure 7, a volumetric lotion pump includes a press head 1, a lock cover 2, a thread 3, a main column 4, a glass ball 5, a body 6 and a setting The suction pipe 7 at the lower end of the body, the press head 1 includes a liquid outlet nozzle 1A, a mouthpiece 1B and an outer sleeve 1C; the lock cover 2 includes a lower opening cover 21, a main column guide tube 22 that runs through the center of the cover and is arranged on the The outer sleeve 23 at the top of the cover; the upper end of the body 6 is provided with a flange 61, the upper part of the flange is provided with an interface 62, and the bottom is provided with a liquid inlet 63 and a suction pipe interface 64; the main column 4 includes an upper joint part 41, a middle The guide part 42 and the lower connecting part 43, the bottom of the upper joint part 41 are arranged on the glass ball seat 411, and the glass ball 5 is arranged on the glass ball seat 411 to form a one-way valve;

The outer sleeve 23 is slidingly matched with the inner cavity of the outer sleeve part 1C, and the lower end of the outer sleeve part 1C is matched with the top plate of the cover body 21 of the lock cover 2 to stop.

The upper joint part 62 of the body 6 passes through the thread 3 and is fixedly connected with the cover body 21 of the lock cover 2, the flange 61 is attached to the top plate of the thread 3, and the cover body 21 of the lock cover 2 is connected to the The outer surface of the thread 3 top plate is bonded;

The upper joint part 41 of the main column 4 is inserted into the interface tube part 1B of the press head, and the interface tube part 1B of the press head 1 and the middle guide part 42 of the main column 4 are slidably matched with the guide tube 22 of the main column; the suction pipe 7 and the suction pipe interface 64 Docking.

It also includes a variable volume suction part 8 and a valve chip 9, and the variable volume liquid suction part 8 and valve chip 9 are made of rubber materials;

The variable-volume liquid-absorbing part 8 is hollow with an upper opening and a through hole on the bottom plate.

The valve chip 9 is arranged in the through hole, and the valve chip 9 and the through hole are connected by connecting ribs; the variable volume liquid suction part 8, the valve chip 9 and the connecting ribs are made of plastic or rubber materials;

The upper end of the variable-volume liquid-absorbing part 8 is fixedly connected with the lower connection part 43 and is liquid-gas-tight, and the lower end is fixedly connected with the bottom plate of the body 6 and is liquid-gas-tight. The valve chip 9 cooperates with the liquid inlet hole 63 .

The variable-volume liquid-absorbing member 8 is corrugated.

The lower end of the lower connecting portion 43 is provided with an annular insertion groove 431;

The body bottom plate of the body 6 has a cylindrical seat 65 surrounding the liquid inlet hole 63;

The upper end of the variable-volume liquid-absorbing member 8 is provided with an annular interface 81, and the lower end is provided with a fixing seat 82;

The ring interface 81 is plugged into the ring slot 431 , and the fixing seat 82 is inserted into the cylindrical seat 65 .

The middle guide portion 42 of the main column 4 moves up and down along the axis relative to the main column guide tube 22 of the lock cover 2 .

The outer surface of the middle guide part 42 of the main column 4 is provided with an axial guide protrusion 44,

The main post guide tube 22 of the lock cover 2 is provided with a guide groove 24; the guide protrusion 44 fits and slides with the guide groove 24. Adopting such a structure can ensure that the axis of the main column 4 moves up and down without rotation.

As a further improvement of the present invention: an annular guide rail 45 is provided on the upper joint part 41 of the main column 4, and a radial liquid outlet hole 46 is provided on the upper joint part 41 of the main column 4;

The annular guide groove 1D in the interface pipe part 1B of the press head 1 is provided with a socket 1E on the top plate of the interface pipe part 1B;

The socket 1E is inserted into the upper joint part 41 and rotated to fit, the annular guide rail 45 and the annular guide groove 1D are fitted and slidably fitted, and the press head 1 rotates relative to the main column 4; the radial outlet hole 46 is connected to the outlet on the press head 1 Fit the liquid inlet end of liquid nozzle 1A;

The outer surface of the mouthpiece part 1B of the press head 1 is not provided with an axial protrusion 1F along the axis;

The main column guide tube 22 of the lock cover 2 has an axial groove 25 and an arc-shaped guide stop groove 26 communicating with the axial groove.

The axial projection 1F is slidingly matched with the axial groove 25 up and down, and the axial projection 1F is rotated and matched with the arc-shaped guide stop groove 26 to stop;

As shown in Figure 1, Figure 2, and Figure 3, when the head 1 is in a certain phase, when the axial protrusion 1F is opposite to the axial groove 25, the radial liquid outlet hole 46 is opposite to the liquid inlet end of the liquid outlet nozzle 1A And connected; this state is the working state, you can press the button, and the liquid will flow out from the liquid nozzle 1A;

As shown in Figure 3, when the head is in the upper position, that is, when the variable-volume liquid-absorbing part 8 is in an extended state, as shown in Figure 5, after the head 1 is rotated 90 degrees clockwise, the axial protrusion 1F is formed by the axial groove. 25 enters the guide stop groove 26, the upper joint part 41 closes the liquid inlet end of the liquid outlet nozzle 1A, and the radial liquid outlet hole 46 is closed accordingly, as shown in FIG. 6 .

An annular guide rail 45 is provided on the upper joint portion 41 of the main column 4, and the upper joint portion 41 of the main column 4 is provided with a radial liquid outlet hole 46;

The annular guide groove 1D in the interface pipe part 1B of the press head 1 is provided with a socket 1E on the top plate of the interface pipe part 1B;

The socket 1E is inserted into the upper joint part 41 and rotated to fit, the annular guide rail 45 and the annular guide groove 1D are fitted and slidably fitted, and the press head 1 rotates relative to the main column 4; the radial outlet hole 46 is connected to the outlet on the press head 1 Fit the liquid inlet end of liquid nozzle 1A;

With such a structure, the press head 1 rotates relative to the main post 4, preventing the press head 1 from being separated from the main post 4.

〖〖〖When pressing the button 1 for the first time, the valve chip 9 at the lower end of the variable-volume liquid-absorbing part 8 is attached to the bottom of the body 6 to close the liquid inlet hole 63; the gas in the variable-volume liquid-absorbing part 8 is forced from The glass bulb 5 is pushed away from the main column 4 and discharged through the outlet nozzle 1A of the joint. When the head is bounced, the glass ball 5 and the glass ball seat 411 are in a sealed state, and the variable volume liquid absorbing part 8 continues to rise and unfold, and a sub-vacuum state is formed inside the variable volume liquid absorbing part 8 to generate suction; the liquid passes through the liquid suction tube 7. The liquid inlet hole 63 enters into the variable volume liquid suction part 8 .

When the joint 1 is pressed again, the valve chip 9 and the bottom of the main body 6 fit together to close the liquid inlet hole 63, the liquid in the variable volume liquid suction part 8 is squeezed, and the liquid enters the main column 4 to push the glass bulb 5 away from the glass bulb Seat 411, then the liquid enters the upper joint part 41 of the main column, and then is discharged by the liquid outlet 1A of the head 1.

Example 2

As shown in Fig. 9, Fig. 10 and Fig. 11, the lower connection part 43 of the main column 4 includes a baffle plate 431 and a diversion head 432 located at the lower part of the baffle plate, and there are several radial diversion holes 433 on the diversion head;

It also includes an upper cover 10, the upper cover includes a cover plate 101, an annular receptacle 102 with an annular socket slot on the lower surface of the cover plate, an annular protrusion 103 on the upper surface of the cover plate and a guide in the center of the cover plate hole 104,

The annular interface 81 of the variable-volume liquid-absorbing part 8 is inserted into the annular socket 102 of the upper cover 10, and the upper cover 10 slides with the body 6; the guide head 432 slides with the guide hole 104, and the retaining plate 431 cooperates with the cover plate 101 in the annular protrusion 103 to stop at the lower end, and the stop plate 431 cooperates with the sink hole at the lower end of the main column guide tube 22 at the upper stop position; the lower end of the main column guide tube 22 cooperates with the inner cavity of the annular protrusion 103 .

As a further improvement: the press head 1 is also provided with a guide sleeve 12 surrounding the mouthpiece 1B;

The upper end of the main column guide tube 22 fits in and out with the gap between the guide sleeve 12 and the interface tube part 1B.

It also includes an elastic fork 11, which is detachably connected to the main column guide tube 22 located on the upper part of the lock cover 2,

The upper end of the fork 11 cooperates with the guide sleeve 12 , and the lower end cooperates with the top plate of the cover body 21 of the lock cover 2 . Adopting such a structure prevents accidental pressing of the pressing head 1; liquid flows out from the liquid outlet nozzle 1A.

The fork 11 includes a locking sleeve 111 with an axial notch and a handle 112 provided on the locking sleeve, and the locking sleeve 11 is detachably matched with the main post guide tube 22 .

As shown in Figure 9, in the locked state, the radial flow guide hole 433 is located above the cover plate 101. This structure can prevent liquid from entering the main column 4 when it is dumped; after the lock is released, press the head 1 to move downward , the radial guide hole 433 is located under the cover plate 101 .

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 (10)

1. A volumetric lotion pump, comprising a press head, a lock cover, screw teeth, a main column, a glass ball, a body and a suction pipe arranged at the lower end of the body, the press head includes a liquid outlet mouth, a mouthpiece and an outer sleeve; the lock The cover includes a cover with a lower opening and a main column guide pipe that runs through the center of the cover; the upper end of the body is provided with a flange, the upper part of the flange is provided with an interface, and the bottom is provided with a liquid inlet hole and a suction pipe interface; the main column includes an upper joint. , the middle guide part and the lower connection part, the bottom of the upper joint part is set on the glass ball seat, the upper joint part is inserted into the interface pipe part, the interface pipe part of the press head and the middle guide part of the main column are slidably matched with the guide tube of the main column; It is characterized in that it also includes a variable volume suction piece and a valve chip, The variable volume suction part is hollow with an upper opening and a through hole on the bottom plate. The valve chip is arranged in the through hole, and the valve chip and the through hole are connected by connecting ribs; the variable volume liquid suction part, the valve chip and the connecting rib are made of plastic or rubber materials; The upper end of the variable volume liquid suction part is fixedly connected with the lower connection part and is liquid-gas sealed, the lower end is fixedly connected with the bottom plate of the body and is liquid-gas sealed, and the valve chip is matched with the liquid inlet hole. 2. A volumetric lotion pump according to claim 1, characterized in that: said volume-variable liquid-absorbing member is corrugated. 3. A volumetric lotion pump according to claim 1, characterized in that: the lower end of the lower connection part is provided with an annular insertion groove; There is a cylindrical seat surrounding the liquid inlet hole on the body bottom plate of the body; The upper end of the variable-volume liquid-absorbing member is provided with an annular interface, and the lower end is provided with a fixing seat; The ring interface is inserted into the ring slot, and the fixing seat is inserted into the cylindrical seat. 4. A volumetric lotion pump according to claim 1, 2 or 3, characterized in that: the middle guide part of the main column moves up and down along the axis relative to the guide tube of the main column of the lock cover; The press head is provided with an outer sleeve on the top of the cover. 5. A volumetric lotion pump according to claim 4, characterized in that: the outer surface of the middle guide part of the main column is provided with an axial guide protrusion, The guide tube of the main column of the lock cover is provided with a guide groove; the guide protrusion and the guide groove are fitted and slidably matched. 6. A volumetric emulsion pump according to claim 4, characterized in that: the upper joint of the main column is provided with a ring-shaped guide rail, and the upper joint of the main column is provided with a radial liquid outlet; The annular guide groove in the interface pipe part of the press head, and the socket is provided on the top plate of the interface pipe part; The socket is inserted into the upper joint and rotated to fit, the annular guide rail and the annular guide groove are fitted and slidably fitted, and the press head rotates relative to the main column; the radial liquid outlet hole is matched with the liquid inlet end of the liquid outlet nozzle on the press head; There is no axial protrusion along the axis on the outer surface of the mouthpiece of the press head; The main column guide tube of the lock cover has an axial groove and an arc-shaped guide stop groove communicating with the axial concave machine groove, The axial protrusion and the axial groove slide up and down, and the axial protrusion and the arc-shaped guide stop groove rotate and stop; When the head is in a certain phase, when the axial protrusion is opposite to the axial groove, the radial liquid outlet hole is opposite to and communicated with the liquid inlet end of the liquid outlet; Press the head in another phase, the axial projection is located in the guide stop groove, and the upper joint part seals the liquid inlet end of the liquid outlet nozzle. 7. A volumetric lotion pump according to claim 5, characterized in that: the upper joint of the main column is provided with a circular guide rail, and the upper joint of the main column is provided with a radial liquid outlet; The annular guide groove in the interface pipe part of the press head, and the socket is provided on the top plate of the interface pipe part; The socket is inserted into the upper joint and rotated to fit, the annular guide rail and the annular guide groove are fitted and slidably fitted, and the press head rotates relative to the main column; the radial liquid outlet hole is matched with the liquid inlet end of the liquid outlet nozzle on the press head; There is no axial protrusion along the axis on the outer surface of the mouthpiece of the press head; The main column guide tube of the lock cover has an axial groove and an arc-shaped guide stop groove communicating with the axial concave machine groove, The axial protrusion and the axial groove slide up and down, and the axial protrusion and the arc-shaped guide stop groove rotate and stop; When the head is in a certain phase, when the axial protrusion is opposite to the axial groove, the radial liquid outlet hole is opposite to and communicated with the liquid inlet end of the liquid outlet; Press the head in another phase, the axial projection is located in the guide stop groove, and the upper joint part seals the liquid inlet end of the liquid outlet nozzle. 8. A volumetric lotion pump according to claim 1 or 2, characterized in that: the lower connecting part of the main column includes a baffle plate and a diversion head located at the lower part of the baffle plate, and there are several diversion heads on the diversion head Radial diversion holes; It also includes an upper cover, the upper cover includes a cover plate, an annular socket seat with an annular socket slot on the lower surface of the cover plate, an annular protrusion on the upper surface of the cover plate and a guide hole in the center of the cover plate, The upper opening of the variable-volume liquid-absorbing part is inserted into the annular insertion groove of the upper cover, and the upper cover is slidably matched with the body; the guide head is slidably matched with the guide hole, and the baffle plate is matched with the cover plate in the annular protrusion to stop at the lower position , the baffle plate cooperates with the sinking hole at the lower end of the guide tube of the main column for the upper stop position. 9. A volumetric lotion pump according to claim 8, characterized in that: the press head is also provided with a guide sleeve surrounding the mouthpiece; The upper end of the main column guide pipe fits in and out with the gap between the guide sleeve and the interface pipe; It also includes an elastic fork, which is detachably connected with the main column guide tube located on the upper part of the lock cover, The upper end of the fork cooperates with the guide sleeve, and the lower end cooperates with the top plate of the cover body of the lock cover. 10 . The volumetric lotion pump according to claim 9 , wherein the fork comprises a locking sleeve with an axial notch and a handle provided on the locking sleeve. 11 .