CN218752394U - Emulsion pump - Google Patents

Abstract

The utility model discloses a lotion pump, which comprises a pump head and a main body, wherein an output tube, a piston and a spring are arranged inside the main body, one end of the output tube is connected with the pump head, the other end is sleeved with the piston, the lotion pump also comprises a pipe valve, the pipe valve is sleeved with a convex tube, and the pipe valve comprises an inserting column and a valve cover; insert the post and be flat column, the top side is provided with at least one back-off, and the side is provided with at least one guiding gutter, and the top is provided with the recess, and the bottom still is provided with outside convex spacing boss the utility model discloses a set up many thick and dark guiding gutters on the pipe valve for the discharging channel of material enlarges, thereby has reduced the phenomenon of jam when the ejection of compact and has taken place. The utility model discloses be provided with the recess on inserting the post, make things convenient for the pipe valve to insert in the output tube.

Description

Emulsion pump

Technical Field

The utility model relates to a daily necessities go out liquid part technical field, in particular to emulsion pump.

Background

The lotion bottle is a common container, and hand sanitizer, shower gel, shampoo, facial cleanser and the like used in daily life are mostly filled in the lotion bottle. The existing emulsion bottle comprises a bottle body, an emulsion pump is arranged on the bottle body, and emulsion in the bottle body is sucked and pressed out of the bottle body by pressing the emulsion pump.

The Chinese utility model patent with publication number CN106829177B discloses an emulsion pump capable of sucking back emulsion, which comprises a pump head, a body and a suction pipe which are connected with each other, wherein an output pipe, a piston and an elastic limiting mechanism are arranged in the body, one end of the output pipe is connected with the pump head, and the other end is sleeved with the piston and moves up and down in the body under the action of the elastic limiting mechanism; the piston is provided with a lantern ring which is sleeved with the pipe orifice of the output pipe; the pipe orifice of the output pipe is a convex pipe, and the diameter of the convex pipe is smaller than that of the output pipe, so that a resorption cavity is formed between the outer edge of the convex pipe and the inner wall of the lantern ring; the pipe valve is matched with the piston to open or close the pipe orifice; when the output pipe is pressed down by the pump head, the piston is pushed to move downwards, and the pipe valve opens the pipe orifice of the output pipe; when the output pipe rises, the pipe valve closes the pipe orifice of the output pipe, drives the piston to rise again, opens the suck-back cavity and accommodates the suck-back emulsion. The utility model discloses an emulsion pump lets the emulsion resorption of remaining in the pump head and accepts at the resorption chamber, solves traditional emulsion pump and goes out liquid back pump head and remain the emulsion and cause extravagant or contaminated problem, nevertheless it still has following drawback in the in-service use:

1. the utility model has less liquid outlet amount and is easy to be blocked in the use process; the design of the outward projection of the catch makes it laborious to assemble the tubular valve to the outlet pipe.

2. The utility model discloses a valve ball in long-term use, through wearing and tearing, can produce certain micro deformation, it is poor to lead to sealed effect, and the valve ball is because the requirement of precision is high in the course of working moreover, and the production of being not convenient for also probably ball valve and pump body contact are inseparable enough, cause the phenomenon of gas leakage, weeping in the emulsion pump to take place.

There is therefore a great need in the market for improved techniques to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the liquid output is small and the blockage is easy to occur in the using process; due to the design of the hook buckle protruding outwards, the pipe valve is assembled on the output pipe with great effort; the valve ball is easy to extrude out of the movable cavity in the using process, so that the whole emulsion pump is ineffective, the cost is increased, and the like; the design of the groove at the top of the pipe valve makes the pipe valve easier to move to the output pipe; the valve ball is replaced by the plastic elastic sleeve, and the pressing sheet is arranged, so that the plastic elastic sleeve is prevented from displacing in the stress process.

In order to realize the above purpose, the technical scheme of the utility model is a lotion pump, pump head and main part including interconnect, the main part is hollow structure, and big-end-up is little, inside output tube, piston and the spring of being provided with of main part, the output tube is hollow structure, output tube one end is connected with the pump head, and the other end cup joints with the piston to can be in the main part up-and-down motion under the effect of spring, the piston is provided with the lantern ring that cup joints with the output tube mouth of pipe, the output tube mouth of pipe is the stand pipe, the diameter of stand pipe is less than the output tube.

Preferably, the lotion pump further comprises a pipe valve, the pipe valve is arranged between the convex pipe and the piston and used for opening and closing the pipe orifice by matching with the movement of the piston, the pipe valve is sleeved with the convex pipe, the pipe valve comprises an inserting column and a valve cover, the bottom of the valve cover is provided with an opening, and the pipe valve can be pulled out through the bottom opening; insert the post and be flat column, the top side is provided with at least one back-off, the back-off from top to bottom grow gradually, is convenient for insert the output tube in, the side is provided with at least one guiding gutter, the guiding gutter runs through whole post of inserting, and the top is provided with the recess, the groove depth slightly is greater than the length of back-off, and the bottom still is provided with outside convex spacing boss, spacing boss cooperatees with the protruding socle portion, plays limiting displacement, the laminating of protruding intraductal wall is in the top of spacing boss.

Preferably, the flow guide grooves can be one, two, three or four, and when the number of the flow guide grooves is multiple, the flow guide grooves are uniformly distributed on the inserting columns.

Preferably, the inner wall of the convex pipe is provided with a boss buckled with the reverse buckle, and the pipe valve is buckled inside the convex pipe through a plug-in post.

Preferably, the piston is provided with a through hole for sleeving the inserted column and the convex pipe, and a hole opening at the bottom of the through hole is provided with a convex ring extending downwards.

Preferably, the inner wall of the convex ring is provided with a first inclined plane, and the first inclined plane is large in upper part and small in lower part; the valve cover is provided with a second inclined plane, and the second inclined plane is small in upper portion and large in lower portion.

Preferably, the piston and the pipe valve are limited by the cooperation of the first inclined surface and the second inclined surface.

Preferably, the top of the lantern ring of the piston is provided with an inner convex ring, and the inner convex ring is tightly attached to the pipe wall of the output pipe.

Preferably, the inside fixed chamber that still is provided with of main part, fixed chamber one end sets up spacing bulge loop, and the other end is provided with the material mouth, spacing bulge loop is located material mouth top, but material mouth below connecting tube.

Preferably, the fixed cavity is internally provided with a plastic elastic sleeve and a pressing sheet which are attached together, the plastic elastic sleeve and the pressing sheet are fixed in the fixed cavity through a limiting convex ring, an elastic hole sheet is arranged in the plastic elastic sleeve, an opening is formed above the elastic hole sheet, and the elastic connecting piece protrudes downwards to cover the whole material opening; the elastic hole piece is connected with the plastic elastic sleeve through a plurality of elastic connecting pieces.

Preferably, the elastic connecting piece can generate elastic deformation when stressed, and drives the elastic hole piece to move up and down.

Preferably, the inside cross structure that is of preforming, cross structure center is provided with the compression leg, the compression leg is located elasticity hole piece top, and the compression leg diameter is less than the diameter of elasticity hole piece top opening, the compression leg can carry out spacingly to elasticity hole piece.

Preferably, the outer side of the output pipe is provided with a connecting pipe, the spring is positioned between the output pipe and the connecting pipe, and the outer wall of one end of the connecting pipe is further provided with threads.

Preferably, the emulsion pump further comprises a lock cover, a bottle cap and a sealing ring, wherein the lock cover is sleeved in the main body, and the inner wall of the lock cover is provided with threads; the bottle cap is sleeved on the locking cap, and the inner wall of the bottle cap is provided with threads; the sealing ring is attached to the main body.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a set up many thick and dark guiding gutters on the pipe valve for the discharging channel of material enlarges, thereby has reduced the phenomenon emergence of jam when the ejection of compact.

2. The utility model discloses be provided with the recess on inserting the post, make things convenient for the pipe valve to insert in the output tube.

3. The utility model discloses replace the valve ball with plastics shell fragment and preforming, avoided the valve ball to take place wearing and tearing in long-term use, produced certain micro-deformation, lead to the poor condition of sealed effect to take place.

Drawings

FIG. 1 is an exploded view of the present invention;

fig. 2 is a cross-sectional view of the present invention 1;

fig. 3 is a sectional view of the present invention 2;

FIG. 4 is an enlarged view of the section A of FIG. 2 according to the present invention;

fig. 5 is an enlarged view of fig. 2B according to the present invention;

fig. 6 is a partial sectional view of the utility model when being pressed to discharge liquid;

fig. 7 is a schematic view of the piston structure of the present invention;

fig. 8 is a schematic view of the piston structure of the present invention;

fig. 9 is a schematic view of the structure of the pipe valve of the present invention;

fig. 10 is a schematic view of the structure of the plastic elastic sleeve of the present invention;

FIG. 11 is a schematic view of the structure of the tablet of the present invention;

fig. 12 is a cross-sectional view of the present invention in an unused state.

In the figure: 1-pump head, 2-main body, 21-fixed cavity, 211-limit convex ring, 22-material port, 3-output tube, 31-convex tube, 311-boss, 32-connecting tube, 4-piston, 41-lantern ring, 411-inner convex ring, 42-lantern ring, 43-convex ring, 431-first inclined plane, 5-spring, 6-tube valve, 61-inserted column, 611-inverted buckle, 612-inverted buckle, 613-groove, 614-limit boss, 62-valve cover, 621-second inclined plane, 7-plastic elastic sleeve, 71-elastic hole sheet, 72-elastic connecting piece, 8-pressing sheet, 81-pressing column, 9-locking cover, 10-cover body, 11-sealing ring

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-12, the technical solution of the present invention is a lotion pump, including pump head 1 and main body 2 connected to each other, main body 2 is hollow structure, and big end up, main body 2 is provided with output tube 3 inside, piston 4 and spring 5, output tube 3 is hollow structure, one end of output tube 3 is connected to pump head 1, the other end is sleeved with piston 4, and can move up and down in main body 2 under the action of spring 5, piston 4 is provided with a lantern ring 41 sleeved with the orifice of output tube 3, the orifice of output tube 3 is a convex tube 31, the diameter of convex tube 31 is less than that of output tube 3, and also includes a tube valve 6 opening or closing the orifice in cooperation with piston 4, when output tube 3 is pressed down by pump head 1, output tube 3 can push piston 4 to move down, allowing tube valve 6 to open the orifice of output tube 3; when the output pipe 3 rises, the pipe valve 6 closes the orifice of the output pipe 3 and drives the piston 4 to rise.

In this embodiment, the pipe valve 6 is sleeved with the convex pipe 31, the pipe valve 6 comprises the insert column 61 and the valve cover 62, the bottom of the valve cover 62 is open, and the pipe valve 6 can be pulled out through the bottom opening of the valve cover 62, so that the pipe valve 6 can be conveniently maintained or replaced; the insert column 61 is in a flat column shape, the side edge of the top end is provided with at least one inverted buckle 611, the side edge is provided with two thick and deep guide grooves 612, the top end is provided with a groove 613, the depth of the groove 613 is slightly larger than the length of the inverted buckle 611, the bottom is also provided with a limiting boss 614 protruding outwards, and the limiting boss 614 is matched with the convex pipe 31 for use to play a limiting role and prevent the pipe valve 6 from excessively extending into the convex pipe 31 in the using process; the inner wall of the convex tube 31 is provided with a boss 311 buckled with the inverted buckle 611, and the pipe valve 6 is buckled inside the convex tube 31 through the inserting column 61.

The two guide grooves 612 are formed in the inserted column 61, and the guide grooves 612 penetrate through the whole inserted column 61, so that materials can enter the output pipe 3 from the guide grooves 612 and be sprayed out after the pipe valve 6 is opened, a flow channel of the materials is increased, more materials can flow at the same time, the blocking probability is reduced, and better experience is brought to a user in the using process; the reverse buckles 611 become larger from top to bottom, so that the pipe valve 6 can be conveniently inserted into the convex pipe 31, the two reverse buckles 611 are separated by the grooves 613 arranged on the insert posts 61, the pipe valve 6 is pressed by the inner wall of the output pipe 3 when entering the output pipe 3, so that the two reverse buckles 611 approach to each other, the distance between the two reverse buckles 611 is temporarily reduced, the pipe valve 6 can easily enter the output pipe 3, when entering the output pipe 3, the reverse buckles 611 return to the original shape and are fixed in the convex pipe 31 through the bosses 311, the insert posts 61 are fixedly connected in the convex pipe 31 through the matching of the reverse buckles 611 and the bosses 311, and further, the pipe valve 6 is tightly fixed in the output pipe 3 through the insert posts 61, so that the linkage with the output pipe 3 is realized.

In this embodiment, the piston 4 is provided with a through hole 42 for the insertion column 61 and the convex tube 31 to be sleeved, a downward extending convex ring 43 is arranged at the bottom orifice of the through hole 42, and a first inclined surface 431 is arranged on the inner wall of the convex ring 43; the valve cover 62 is provided with a second slope 621, the first slope 431 and the second slope 621 are matched for use, when the output pipe 3 is pressed down by the pump head 1, the piston 4 is pushed to move downwards, the pipe valve 6 is protruded from the piston 4, the valve cover 62 is separated from the convex ring 43 of the piston 4, and the pipe orifice of the output pipe 3 is opened; when the output tube 3 is lifted, the second slope 621 of the valve cover 62 and the first slope 431 of the piston 4 cooperate with each other to close the orifice, thereby effectively controlling the opening and closing of the output tube 3.

The design that the first inclined surface 431 is large in upper part and small in lower part and the second inclined surface 621 is small in upper part and large in lower part plays a limiting role so as to increase the sealing effect of the piston 4 and the pipe valve 6 and close the pipe orifice.

In this embodiment, the top of the collar 41 of the piston 4 is provided with an inner collar 411, and the inner collar 411 is tightly attached to the wall of the output tube 3.

In this embodiment, main part 2 is inside still to be provided with fixed chamber 21, fixed chamber 21 one end is provided with spacing bulge loop 211, the other end is provided with material mouth 22, spacing bulge loop 211 is located material mouth 22 top, the straw can be connected below material mouth 22, wherein, fixed chamber 21 is inside to be provided with plastics bullet cover 7 and preforming 8, plastics bullet cover 7 and preforming 8 laminating are in the same place, plastics bullet cover 7 and preforming 8 are fixed in fixed chamber 21 through spacing bulge loop 211, the inside elasticity hole piece 71 that is provided with of plastics bullet cover 7, elasticity connecting piece 71 downward protrusion can be with whole covering material mouth 22, elasticity hole piece 71 links together with plastics bullet cover 7 through a plurality of elastic connecting piece 72, specifically, elastic connecting piece 72 can take place elastic deformation when the atress, drive elasticity hole piece 71 up-and-down motion, thereby open or close material mouth 22. Further, when the pump head 1 is pressed down, the material in the main body 2 is sent out, the elastic hole piece 71 blocks the material opening 22, and the suction pipe is blocked; the pump head 1 and the output pipe 3 are lifted back under the action of the spring 5, the elastic hole piece 71 is lifted up under the action of the piston 4, the material opening 22 is opened, and the material is pumped into the main body 2 from the suction pipe; when the output pipe 3 stops to stop rising, the elastic hole piece 71 resets to close the material opening 22 and block the suction pipe, thereby effectively further controlling the discharge amount.

Inside cross structure that is of preforming 8, the cross structure center is provided with compression leg 81, compression leg 81 is located elasticity hole piece 71 top, and the diameter of compression leg 81 is less than the diameter of elasticity hole piece 71 top opening, and preforming 8 can be spacing to plastics bullet cover 7, makes it fix in fixed chamber 21, and compression leg 81 can be spacing to the motion of elasticity hole piece 71 and elastic connection spare 72, prevents that elastic connection spare 72 from breaking because the atress is too violent, influences follow-up use.

In this embodiment, the outer side of the output tube 3 is provided with a connecting tube 32, the spring 5 is positioned between the output tube 3 and the connecting tube 32, the outer wall of one end of the connecting tube 32 is further provided with threads, the emulsion pump further comprises a lock cover 9, a bottle cap 10 and a sealing ring 11, the lock cover 9 is sleeved in the main body 2, and the inner wall is provided with threads; the bottle cap 10 is sleeved on the locking cap 9, and the inner wall of the bottle cap is provided with threads; sealing washer 11 laminates on main part 2, and screw thread on the connecting pipe 32 uses with the screw-thread fit on the locking closure 9, and as shown in fig. 12 be the utility model discloses initial state, the screw thread on the connecting pipe 32 and the screw-thread fit on the locking closure 9 are in the same place this moment, use when needs the utility model discloses the time, rotatable pump head 1 and output tube 3, at this moment pump head 1 and output tube 3 will pop out from the locking closure 9, can use.

It should be noted that the utility model relates to an emulsion pump, its theory of operation is: when the output pipe 3 is pressed down by the pump head 1, the output pipe 3 moves downwards, the output pipe 3 pushes the pipe valve 6 out in the moving process, the valve cover 62 of the pipe valve 6 is separated from the piston 4 to form a flow channel, the elastic connecting piece 72 is stressed to drive the elastic hole piece 71 to move upwards, the material opening 22 is opened, the material is sucked into the main body 2 from the suction pipe, then enters the output pipe 3 from the flow channel between the valve cover 62 and the piston 4, and finally is taken out from the pump body 1; under the action of the spring 5, the pump body 1 and the output pipe 3 rise back, and the first inclined surface 431 of the piston 4 is attached to the second inclined surface 621 of the pipe valve 6 to close the pipe orifice.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A lotion pump comprises pump heads (1) and a main body (2) which are connected with each other, wherein an output pipe (3), a piston (4) and a spring (5) are arranged inside the main body (2), one end of the output pipe (3) is connected with the pump heads (1), the other end of the output pipe is sleeved with the piston (4), the piston (4) is provided with a lantern ring (41) sleeved with the pipe orifice of the output pipe (3), and the pipe orifice of the output pipe (3) is a convex pipe (31); the pipe valve is characterized in that the pipe valve (6) is sleeved with the convex pipe (31), and the pipe valve (6) comprises an inserting column (61) and a valve cover (62); the insert column (61) is in a flat column shape, the side edge of the top end of the insert column is provided with at least one reverse buckle (611), the side edge of the insert column is provided with at least one guide groove (612), the top end of the insert column is provided with a groove (613), and the bottom of the insert column is further provided with a limiting boss (614) protruding outwards.

2. A lotion pump according to claim 1, characterized in that the inner wall of the male tube (31) is provided with a boss (311) for fastening with the inverse button (611), and the tube valve (6) is fastened inside the male tube (31) by means of the insert post (61).

3. A lotion pump according to claim 2, characterized in that the piston (4) is provided with a through hole (42) for the socket connection of the plunger (61) and the nipple (31), and the bottom opening of the through hole (42) is provided with a downwardly extending collar (43).

4. An emulsion pump according to claim 3, wherein the inner wall of the convex ring (43) is provided with a first inclined surface (431); the valve cover (62) is provided with a second inclined surface (621); the first inclined surface (431) is matched with the second inclined surface (621) for use.

5. A lotion pump according to claim 4, characterized in that the top of the collar (41) of the piston (4) is provided with an internal collar (411), said internal collar (411) being in close contact with the wall of the outlet tube (3).

6. An emulsion pump according to claim 5, wherein the main body (2) further comprises a fixing cavity (21), one end of the fixing cavity (21) is provided with a limiting convex ring (211), and the other end of the fixing cavity is provided with a material port (22).

7. A lotion pump according to claim 6, characterized in that the fixed chamber (21) is internally provided with a plastic elastic sleeve (7) and a pressing sheet (8) which are attached together, the plastic elastic sleeve (7) is internally provided with an elastic hole sheet (71), and the elastic hole sheet (71) protrudes downwards to cover the feed opening (22); the elastic hole sheet (71) is connected with the plastic elastic sleeve (7) through a plurality of elastic connecting pieces (72).

8. A lotion pump according to claim 7, characterized in that the pressing sheet (8) is internally of a cross-shaped structure, a pressing column (81) is arranged in the center of the cross-shaped structure, and the pressing column (81) is positioned above the elastic hole sheet (71).

9. A lotion pump according to claim 8, wherein the output tube (3) is provided with a connecting tube (32) on the outside thereof, the spring (5) is located between the output tube (3) and the connecting tube (32), and the outer wall of one end of the connecting tube (32) is further provided with a thread.

10. A lotion pump according to claim 9, characterized in that it further comprises a locking cap (9), a bottle cap (10) and a sealing ring (11), the locking cap (9) is sleeved in the main body (2) and the inner wall is provided with threads; the bottle cap (10) is sleeved on the locking cap (9), and the inner wall of the bottle cap is provided with threads; the sealing ring (11) is attached to the main body (2).

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