CN212333431U - Full-plastic emulsion pump with integrally formed main column and piston - Google Patents

Full-plastic emulsion pump with integrally formed main column and piston Download PDF

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Publication number
CN212333431U
CN212333431U CN202021491835.9U CN202021491835U CN212333431U CN 212333431 U CN212333431 U CN 212333431U CN 202021491835 U CN202021491835 U CN 202021491835U CN 212333431 U CN212333431 U CN 212333431U
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Prior art keywords
piston
main column
axial
guide
locking
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CN202021491835.9U
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林添大
张金明
莫恒进
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ZHONGSHAN LEUNCHEONG DISPENSING PUMP Ltd
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ZHONGSHAN LEUNCHEONG DISPENSING PUMP Ltd
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Abstract

A full-plastic emulsion pump with a main column and a piston which are integrally formed comprises a press head, a lock cover, a screw thread, a body, a ball body, the main column, the piston and a pressure spring, wherein the bottom of the body is provided with a one-way valve seat, and the ball body is arranged in the one-way valve seat; the ball body and the pressure spring are made of plastic materials; the connecting column is hollow and provided with an upper opening and a lower opening, and the upper opening end is provided with an upper one-way valve seat and a liquid outlet cavity; when the press head is in an upper position, the upper ball body is matched with the upper one-way valve seat, and when the press head is in a lower position, the upper ball body enters the liquid outlet seat; in a locking state, the connecting column extends into the main column, the liquid guide nozzle extends into the connecting column for liquid-gas sealing, the top of the piston is embedded into the lower cavity, the locking cover and the pressing head are locked together, and the circular arc-shaped driven plate is located in the axial accommodating groove. The parts are all made of plastic materials, compared with the prior art, the parts are reduced, the volume of the lock cover is small, and the main column and the piston are integrally formed; the assembly is convenient.

Description

Full-plastic emulsion pump with integrally formed main column and piston
Technical Field
The invention relates to an emulsion pump.
Background
In the prior art, the emulsion pump comprises a press head, a lock cover, a screw thread, a body, a ball body, a main column, an auxiliary column, a piston and a pressure spring, wherein a one-way valve seat is arranged at the bottom of the body, and the ball body is arranged in the one-way valve seat; the pressure spring is made of a metal material. There are problems in that: the structure is complex, the appearance volume is large, and the pressure spring pollutes the emulsion, the locking state, and the pressure spring compresses.
Disclosure of Invention
The purpose of the invention is: the all-plastic emulsion pump has the characteristics of simple structure, natural state of a pressure spring in a locking state and capability of avoiding the reduction of elasticity of the spring caused by long-term prepressing.
The invention is realized by the following steps: a full-plastic emulsion pump with a main column and a piston which are integrally formed comprises a press head, a lock cover, a screw thread, a body, a ball body, the main column, the piston and a pressure spring, wherein the bottom of the body is provided with a one-way valve seat, and the ball body is arranged in the one-way valve seat; it is characterized in that: the ball body and the pressure spring are made of plastic materials;
the pressing head comprises a liquid outlet channel, a liquid inlet channel and an outer sleeve surrounding the liquid outlet channel, the liquid inlet channel comprises a liquid outlet seat arranged at the top, an annular driving table arranged at the bottom and at least two axial containing grooves arranged in the middle, the liquid outlet seat is communicated with the liquid outlet channel, and the axial containing grooves penetrate through the annular driving table;
the lock cover comprises an upper cavity, a lower cavity, a guide hole arranged on a partition plate between the upper cavity and the lower cavity, a circular arc-shaped through hole communicated with the guide hole and a connecting seat surrounding the upper end of the upper cavity,
the main column is hollow and provided with an upper opening and a lower opening, the main column and the piston are integrally formed by plastic materials, the upper end of the main column is provided with at least two circular arc-shaped driven plates, and the top of the piston is provided with a liquid guide nozzle and extends into the main column; an upper spring seat is arranged on the piston;
the connecting column is hollow and provided with an upper opening and a lower opening, and the upper opening end is provided with an upper one-way valve seat and a liquid outlet cavity;
the upper end of the body penetrates through the through hole in the lock cover, the circular arc driven plate penetrates through the circular arc through hole, the lock cover is inserted into the body, and the upper end of the body is inserted into the connecting seat of the lock cover; the main column penetrates through the guide hole on the partition plate and extends into the upper cavity of the lock cover; the upper plastic ball is arranged in the upper one-way valve seat, the lower end of the liquid outlet seat of the press head is inserted into the liquid outlet cavity of the connecting column, the liquid outlet cavity is fixedly connected with the liquid inlet channel, and the outer sleeve is in sliding fit with the upper cavity; the lower end of the connecting column is inserted into the upper end of the main column, and the connecting column is in sliding and rotating fit with the main column; when the press head is in a lower position, the upper ball body enters the liquid outlet seat; in a locking state, the connecting column extends into the main column, the liquid guide nozzle extends into the connecting column for liquid-gas sealing, the top of the piston is embedded into the lower cavity, the locking cover and the pressing head are locked together, and the circular arc-shaped driven plate is located in the axial accommodating groove.
The all-plastic emulsion pump with the integrally formed main column and piston is characterized in that: the main column is provided with at least two axial guide rails and a positioning block connected with the lower ends of the axial guide rails;
the partition plate is provided with at least two axial guide grooves communicated with the guide holes;
in the working state, the axial guide rail is in sliding fit with the axial guide groove; and in a locking state, the positioning block is embedded and positioned with the axial guide groove.
The all-plastic emulsion pump with the integrally formed main column and piston is characterized in that: the lower opening end of the connecting column is provided with a cylindrical part and a truncated cone-shaped cavity part from bottom to top;
the liquid guide nozzle is inserted into the connecting column through the cylindrical part and the conical cavity part.
The all-plastic emulsion pump with the integrally formed main column and piston is characterized in that: the piston comprises a seat body part with a lower opening, a circular ring plate part and a hyperbolic plug body part, the liquid outlet nozzle is arranged on a top plate of the seat body part, the seat body part is provided with a cylindrical sleeve, and a gap between the cylindrical sleeve and a circumferential wall plate of the seat body part forms the upper spring seat.
The all-plastic emulsion pump with the integrally formed main column and piston is characterized in that: and one wall plate of the axial accommodating groove is a left-hand curved surface, and the left-hand curved surface is in sliding fit with the circumferential end of the circular arc driven plate.
The all-plastic emulsion pump with the integrally formed main column and piston is characterized in that: at least two guiding locking grooves are arranged on the outer circumferential surface of the outer sleeve, each guiding locking groove comprises an axial groove part and a locking groove part positioned on one side of the upper end of the axial part,
at least two guide locking bulges are arranged on the inner wall of the upper cavity of the locking cover, and in a working state, the guide locking bulges are in sliding fit with the axial groove part, and the lower ends of the guide locking bulges are buckled with the bottom plate of the axial groove part; in the locking state, the guide locking protrusion is embedded with the locking groove.
The all-plastic emulsion pump with the integrally formed main column and piston is characterized in that: and the intersection of the bottom wall of the axial groove part and the side wall plate at one side of the locking groove part is rounded.
The all-plastic emulsion pump with the integrally formed main column and piston is characterized in that: the upper part of the inner circumferential surface of the guide locking bulge is an inclined surface, and an acute included angle is formed between the inclined surface and the horizontal plane on the radial outer side.
The all-plastic emulsion pump with the integrally formed main column and piston is characterized in that: the axial lower end surface of the guide locking bulge is an arc-shaped plane.
The all-plastic emulsion pump with the integrally formed main column and piston is characterized in that: the liquid outlet seat is formed by uniformly distributing a plurality of axial plates along the inner wall of the liquid inlet channel, the lower ends of the axial plates are provided with inserting plates, the inserting plates form interfaces, and the interfaces are inserted into the upper ends of the connecting columns.
The all-plastic emulsion pump with the integrally formed main column and the piston has the advantages that all the parts are made of plastic materials, compared with the prior art, the parts are reduced, the size of the lock cover is small, and the main column and the piston are integrally formed; the assembly is convenient.
Drawings
Fig. 1 is one of exploded perspective views of the present invention.
Fig. 2 is a second exploded perspective view of the present invention.
Fig. 3 is a sectional view showing the lower state of the present invention.
Fig. 4 is a view a-a of fig. 3.
Fig. 5 is a cross-sectional view of the invention in a general or natural state.
Fig. 6 is a view B-B of fig. 5.
Fig. 7 is a cross-sectional view showing the locked state of the present invention.
Fig. 8 is a view C-C of fig. 7.
Fig. 9 is one of the perspective views of the button head of the present invention.
Fig. 10 is a second perspective view of the button head of the present invention.
Fig. 11 is a perspective sectional view of the button head of the present invention.
Fig. 12 is one of perspective views of the locking cap of the present invention.
Fig. 13 is a second perspective view of the locking cap of the present invention.
Fig. 14 is a perspective view of the main column and piston assembly of the present invention.
FIG. 15 is a top view of the main column and piston assembly of the present invention.
Fig. 16 is a perspective view of the natural state of the present invention.
Fig. 17 is a perspective view of the locked state of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in figure 1, the all-plastic lotion pump with the integrally formed main column and piston comprises a press head 1, a lock cover 2, a thread 3, a body 4, a ball 5, a main column 6, a piston 7 and a pressure spring 8, wherein the bottom of the body 4 is provided with a one-way valve seat 41, and the ball 5 is arranged in the one-way valve seat 41;
the ball body 5 and the pressure spring 8 are made of plastic materials;
the pressing head 1 comprises a liquid outlet channel 11, a liquid inlet channel 12 and an outer sleeve 13 surrounding the liquid outlet channel, wherein the liquid inlet channel 12 comprises a liquid outlet seat 14 arranged at the top, an annular driving table 15 arranged at the bottom and two axial containing grooves 16 arranged in the middle, and the liquid outlet seat 14 is communicated with the liquid outlet channel 11;
the locking cover 2 comprises an upper cavity 21, a lower cavity 22, a guide hole 23 arranged on a clapboard between the upper cavity and the lower cavity, a circular arc-shaped through hole 231 communicated with the guide hole 23 and a connecting seat 24 surrounding the upper end of the upper cavity,
the main column 6 is hollow and provided with an upper opening and a lower opening, the main column 6 and the piston 7 are integrally formed by plastic materials, the upper end of the main column 6 is provided with two circular arc-shaped driven plates 61, and the top of the piston 7 is provided with a liquid guide nozzle 71 and extends into the main column 6; an upper spring seat is arranged on the piston 7;
the plastic ball valve also comprises a connecting column 9 and an upper plastic ball 10 which are made of plastic materials, wherein the connecting column 9 is hollow and is provided with an upper opening and a lower opening, the upper opening end is provided with an upper one-way valve seat 91 and a liquid outlet cavity 92, and the liquid outlet cavity 92 is positioned at the upper part of the upper one-way valve seat 91;
the upper end of the body 4 penetrates through a through hole in the locking cover 3, the circular arc driven plate 61 penetrates through the circular arc through hole 231, the locking cover 2 is inserted into the body 4, the upper end of the body 4 is inserted into the connecting seat 24 of the locking cover 2, and a flange at the upper end of the body 4 is attached to a top plate of the locking cover 3; the main column 6 passes through a guide hole 23 on the clapboard and extends into an upper cavity 21 of the lock cover 2; the upper plastic ball 10 is arranged in the upper one-way valve seat 91, the lower end of the liquid outlet seat 14 of the pressing head 1 is inserted into the liquid outlet cavity 92 of the connecting column 9, the liquid outlet cavity 92 is fixedly connected with the liquid inlet channel 12, and the outer sleeve 13 is in sliding fit with the upper cavity 21; the lower end of the connecting column 9 is inserted into the upper end of the main column 6, and the connecting column 9 is in sliding and rotating fit with the main column 6; the upper end of the pressure spring 8 is matched with the upper spring seat, and the lower end of the pressure spring is matched with the bottom plate support of the body 4; an operating state, as shown in fig. 3, 4, 5 and 6, in which fig. 3 and 4 are in a pressed state, i.e., a lower position; fig. 5 and 6 show a natural state, or a state to be worked after reset after pressing, i.e. an upper state; the circular driving table 15 drives the circular arc-shaped driven plate 61, when the press head 1 is in an upper position, the upper sphere 10 is matched with the upper one-way valve seat 91, and when the press head 1 is in a lower position, the upper sphere 10 enters the liquid outlet seat 14; in a locking state, as shown in fig. 7 and 8, the connecting column 9 extends into the main column 6, the liquid guide nozzle 71 extends into the lower end of the connecting column 9 for liquid-gas sealing, the top of the piston 7 is embedded into the lower cavity 22, the locking cover 2 is locked with the outer sleeve 13 of the press head 1, and the circular arc-shaped driven plate 61 is positioned in the top of the axial accommodating groove 16; the components are made of a plastic material.
Two axial guide rails 62 and a positioning block 63 connected with the lower ends of the axial guide rails are arranged on the main column 6;
two axial guide grooves 232 are arranged on the partition plate and communicated with the guide holes 23;
in the working state, the axial guide rail 62 is in sliding fit with the axial guide groove 232; in the locked state, the positioning block 63 is fitted and positioned in the axial guide groove 232.
The lower opening end of the connecting column 9 is provided with a cylindrical part 93 and a truncated cone-shaped cavity part 94 from bottom to top;
the liquid guide nozzle 71 is inserted into the connecting column 9 through the cylindrical part 93 and the truncated cone shaped cavity part 94.
The piston 7 comprises a seat body part 72 with a lower opening, a circular ring plate part 73 and a hyperbolic plug body part 74, the liquid outlet 71 is arranged on the top plate of the seat body part 72, the seat body part 72 is provided with a cylindrical sleeve 721, and a gap between the cylindrical sleeve 721 and the circumferential wall plate of the seat body part 72 forms the upper spring seat.
One wall plate of the axial receiving groove 16 is a left-hand curved surface 161, and the left-hand curved surface 161 is in sliding fit with the circumferential end of the circular arc-shaped driven plate 61.
Two guide locking grooves 131 are formed on the outer circumferential surface of the outer sleeve 13, the guide locking grooves 131 include an axial groove portion 1311 and a locking groove portion 1312 formed at the upper end side of the axial portion,
two guiding locking protrusions 211 are arranged on the inner wall of the upper cavity 21 of the locking cover 2, in a working state, the guiding locking protrusions 211 are in sliding fit with the axial groove 1311, the lower ends of the guiding locking protrusions 211 are buckled with the bottom plate of the axial groove 1311, and the press head 1 is connected with the locking cover 2; in the locked state, the guide locking protrusion 211 is fitted into the locking groove 1312;
the intersection of the bottom wall of the axial groove 1311 and the side wall plate on the side of the locking groove 1312 is rounded 1313; the guide latch projections 211 are a sliding fit with the rounded corners 1313;
the upper part of the inner circumferential surface of the guiding locking protrusion 211 is an inclined surface, and the inclined surface and the horizontal plane at the radial outer side form an acute included angle.
The axial lower end surface of the guide locking protrusion 211 is a circular arc-shaped plane.
The liquid outlet seat 14 is formed by uniformly distributing a plurality of axial plates 141 along the inner wall of the liquid inlet channel 12, the lower ends of the axial plates 141 are provided with plug plates 142, the plug plates 142 form interfaces, and the interfaces are inserted into the upper ends of the connecting columns 9.
In the states of fig. 3, 4 and 16, the pressing head 1 and the connecting column 9 move downwards together, the guide locking protrusion 211 slides in the axial groove 1311, the connecting column 9 enters the main column 6, and the liquid outlet 71 extends into the lower end of the connecting column 9; the press head 1 and the connecting column 9 rotate together and rotate clockwise, a wall plate of the axial accommodating groove 16 on the press head 1 is a left-handed curved surface 161 to drive the circular arc-shaped driven plate 61 on the main column 6, the main column 6 rises, the top of the piston 7 is embedded into the lower cavity 22, and the positioning block 63 is embedded and positioned with the axial guide groove 232; the circular arc shaped driven plate 61 is located in the top of the axial direction receiving groove 16, and the guide locking projection 211 of the main column 6 is locked with the locking groove portion 1312, as shown in fig. 7, 8 and 17.
What has been described above is merely a preferred embodiment of the present invention. It should be noted that a person skilled in the art could make several modifications and variations without departing from the principle of the present invention, which should also be regarded as the protection scope of the present invention.

Claims (10)

1. A full-plastic emulsion pump with a main column and a piston which are integrally formed comprises a press head, a lock cover, a screw thread, a body, a ball body, the main column, the piston and a pressure spring, wherein the bottom of the body is provided with a one-way valve seat, and the ball body is arranged in the one-way valve seat; the method is characterized in that: the ball body and the pressure spring are made of plastic materials;
the pressing head comprises a liquid outlet channel, a liquid inlet channel and an outer sleeve surrounding the liquid outlet channel, the liquid inlet channel comprises a liquid outlet seat arranged at the top, an annular driving table arranged at the bottom and at least two axial containing grooves arranged in the middle, the liquid outlet seat is communicated with the liquid outlet channel, and the axial containing grooves penetrate through the annular driving table;
the lock cover comprises an upper cavity, a lower cavity, a guide hole arranged on a partition plate between the upper cavity and the lower cavity, a circular arc-shaped through hole communicated with the guide hole and a connecting seat surrounding the upper end of the upper cavity,
the main column is hollow and provided with an upper opening and a lower opening, the main column and the piston are integrally formed by plastic materials, the upper end of the main column is provided with at least two circular arc-shaped driven plates, and the top of the piston is provided with a liquid guide nozzle and extends into the main column; an upper spring seat is arranged on the piston;
the connecting column is hollow and provided with an upper opening and a lower opening, and the upper opening end is provided with an upper one-way valve seat and a liquid outlet cavity;
the upper end of the body penetrates through the through hole in the lock cover, the circular arc driven plate penetrates through the circular arc through hole, the lock cover is inserted into the body, and the upper end of the body is inserted into the connecting seat of the lock cover; the main column penetrates through the guide hole on the partition plate and extends into the upper cavity of the lock cover; the upper plastic ball is arranged in the upper one-way valve seat, the lower end of the liquid outlet seat of the press head is inserted into the liquid outlet cavity of the connecting column, the liquid outlet cavity is fixedly connected with the liquid inlet channel, and the outer sleeve is in sliding fit with the upper cavity; the lower end of the connecting column is inserted into the upper end of the main column, and the connecting column is in sliding and rotating fit with the main column; when the press head is in a lower position, the upper ball body enters the liquid outlet seat; in a locking state, the connecting column extends into the main column, the liquid guide nozzle extends into the connecting column for liquid-gas sealing, the top of the piston is embedded into the lower cavity, the locking cover and the pressing head are locked together, and the circular arc-shaped driven plate is located in the axial accommodating groove.
2. The all-plastic lotion pump with the integrally formed main column and piston as claimed in claim 1, wherein: the main column is provided with at least two axial guide rails and a positioning block connected with the lower ends of the axial guide rails;
the partition plate is provided with at least two axial guide grooves communicated with the guide holes;
in the working state, the axial guide rail is in sliding fit with the axial guide groove; and in a locking state, the positioning block is embedded and positioned with the axial guide groove.
3. The all-plastic lotion pump with the integrally formed main column and piston as claimed in claim 1, wherein: the lower opening end of the connecting column is provided with a cylindrical part and a truncated cone-shaped cavity part from bottom to top;
the liquid guide nozzle is inserted into the connecting column through the cylindrical part and the conical cavity part.
4. The all-plastic lotion pump with the integrally formed main column and piston as claimed in claim 1, wherein: the piston comprises a seat body part with a lower opening, a circular ring plate part and a hyperbolic plug body part, the liquid outlet nozzle is arranged on a top plate of the seat body part, the seat body part is provided with a cylindrical sleeve, and a gap between the cylindrical sleeve and a circumferential wall plate of the seat body part forms the upper spring seat.
5. The all-plastic lotion pump with the integrally formed main column and piston as claimed in claim 1, wherein: and one wall plate of the axial accommodating groove is a left-hand curved surface, and the left-hand curved surface is in sliding fit with the circumferential end of the circular arc driven plate.
6. The all-plastic lotion pump with the integrally formed main column and piston as claimed in claim 1, wherein: at least two guiding locking grooves are arranged on the outer circumferential surface of the outer sleeve, each guiding locking groove comprises an axial groove part and a locking groove part positioned on one side of the upper end of the axial part,
at least two guide locking bulges are arranged on the inner wall of the upper cavity of the locking cover, and in a working state, the guide locking bulges are in sliding fit with the axial groove part, and the lower ends of the guide locking bulges are buckled with the bottom plate of the axial groove part; in the locking state, the guide locking protrusion is embedded with the locking groove.
7. The all-plastic lotion pump with the integrally formed main column and piston as claimed in claim 6, wherein: and the intersection of the bottom wall of the axial groove part and the side wall plate at one side of the locking groove part is rounded.
8. The all-plastic lotion pump with the integrally formed main column and piston as claimed in claim 6, wherein: the upper part of the inner circumferential surface of the guide locking bulge is an inclined surface, and an acute included angle is formed between the inclined surface and the horizontal plane on the radial outer side.
9. The all-plastic lotion pump with the integrally formed main column and piston as claimed in claim 6, wherein: the axial lower end surface of the guide locking bulge is an arc-shaped plane.
10. The all-plastic lotion pump with the integrally formed main column and piston as claimed in claim 1, wherein: the liquid outlet seat is formed by uniformly distributing a plurality of axial plates along the inner wall of the liquid inlet channel, the lower ends of the axial plates are provided with inserting plates, the inserting plates form interfaces, and the interfaces are inserted into the upper ends of the connecting columns.
CN202021491835.9U 2020-07-24 2020-07-24 Full-plastic emulsion pump with integrally formed main column and piston Active CN212333431U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021491835.9U CN212333431U (en) 2020-07-24 2020-07-24 Full-plastic emulsion pump with integrally formed main column and piston

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021491835.9U CN212333431U (en) 2020-07-24 2020-07-24 Full-plastic emulsion pump with integrally formed main column and piston

Publications (1)

Publication Number Publication Date
CN212333431U true CN212333431U (en) 2021-01-12

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CN202021491835.9U Active CN212333431U (en) 2020-07-24 2020-07-24 Full-plastic emulsion pump with integrally formed main column and piston

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111959940A (en) * 2020-07-24 2020-11-20 中山市联昌喷雾泵有限公司 Full-plastic emulsion pump with integrally formed main column and piston

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111959940A (en) * 2020-07-24 2020-11-20 中山市联昌喷雾泵有限公司 Full-plastic emulsion pump with integrally formed main column and piston
CN111959940B (en) * 2020-07-24 2024-05-07 中山市联昌喷雾泵有限公司 Main column and piston integrated into one piece's plastic emulsion pump

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