CN207329221U - A kind of emulsion pumps with drip-preventing function for optimizing structure - Google Patents
A kind of emulsion pumps with drip-preventing function for optimizing structure Download PDFInfo
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- CN207329221U CN207329221U CN201721093612.5U CN201721093612U CN207329221U CN 207329221 U CN207329221 U CN 207329221U CN 201721093612 U CN201721093612 U CN 201721093612U CN 207329221 U CN207329221 U CN 207329221U
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- Prior art keywords
- subpost
- emulsion pumps
- drip
- check valve
- preventing function
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Abstract
The utility model provides a kind of emulsion pumps with drip-preventing function for optimizing structure, including bottle cap, locking closure, press mouth, pump core component, spring, suction pipe, the principal post of pump core component is integrally formed with piston, subpost is separate piece, and subpost is equipped with the first check valve assembly with position-limited claw for playing sealing flow channel for liquids under the action of by the first cam line radial load under emulsion pumps open mode, the outside of the first check valve assembly is coordinated with main inner chamber, inner cylinder with slight interference respectively；The pump housing is equipped with the second check valve assembly；The inner cylinder of piston is equipped with the first cam line and the second cam line, and the first check valve assembly is sealed flow channel for liquids under emulsion pumps open mode by the effect of the first cam line radial load；The lower section of first check valve assembly is equipped with the first seal boss for matching with the second cam line and being tightly connected；The bottom of subpost is equipped with lower the second seal boss being tightly connected that matches with the second cam line in off position, with up in the case of equal pump output, reduce production cost, and efficiently solve existing simplified structure or lightweight emulsion pumps and open under inactive state without leakproofness, when being squeezed or toppling over the problem of serious leakage.
Description
Technical field
A kind of emulsion pumps are the utility model is related to, more particularly to a kind of emulsion pumps with drip-preventing function for optimizing structure.
Background technology
Traditional emulsion pumps open or close runner by the relative motion between piston and subpost and the pump housing, are depressing
When pressing mouth, piston with the frictional force of pump housing inner wall because moving up, the runner on opening subpost, air or liquid in drain pump body
Body.Pressing is unclamped afterwards in place presses mouth, is sprung back under spring force by mouth and pump core structure (principal post, subpost, piston component),
Piston because being moved down with the frictional force of pump housing inner wall, close by runner.At this time, vacuum is formed in pump chamber, sucks liquid, again
When mouth is pressed in pressure, the runner on subpost is opened, and liquid is sprayed by the runner on subpost through pressing mouth, realizes emulsion pumps pump liquid work(
Energy.
But the emulsion pumps of traditional structure to the required precision of cooperation mutual between piston, principal post, subpost, the pump housing very
Height, otherwise can seriously affect the leakproofness and function of emulsion pumps.
For this reason, occurring a kind of emulsion pumps of simplified pump core structure in recent years, there is following simplified way：
1) using principal post and piston as integrated injection molding：Such as patent announcement CN202295704U, a kind of principal post and work
Fill in integrally formed emulsion pumps；And patent No. CN205554988U, a kind of push type emulsion pumps.Subpost (or seal receptacle,
Piston seat) separate part is used as, spring is used to support, and sealed in emulsion pumps blocking with principal post-piston component, or
Unidirectional valve action is played at the same time, plays the role of preventing liquid from flowing back when emulsion pumps open pump pressure liquid.
2) using principal post, subpost and piston as Integral design：Such as patent publication No. CN205972345U, liquid pump bottle cap.
3) principal post is molded with piston split：Such as patent No. CN204433338U, a kind of cylinder assembly and the component is included
Emulsion pumps, its subpost and piston fitted seal are simultaneously used as spring support seat.
However, the emulsion pumps of the above, after pressing mouth and opening, the liquid in Packaging Bottle is with the external world with the runner inside emulsion pumps
Directly communicate, no sealing function, when product package bottle is pressurized or topples over, liquid can be seeped or flowed out directly, be existed very big
Consumer complains and risk of environmental pollution.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, there is provided a kind of optimization structure has drip-preventing function
Emulsion pumps, it meets that state is being closed and opened and used to emulsion pumps product while simplifying pump core structure, reduce production cost
When sealing requirements.
What the purpose of this utility model was realized in：A kind of breast with drip-preventing function for the optimization structure for optimizing structure
Liquid pump, including bottle cap, locking closure, mouth, pump core component, spring, suction pipe are pressed, the pump core component is set in the pump housing, locking closure and pump
Body close-fitting is installed, and bottle cap is installed between locking closure and the pump housing, wherein, the pump core component includes the principal post containing main inner chamber, contains
There are the piston, the subpost containing runner vertical hole, the pump housing containing sap cavity of outer barrel and inner cylinder, the bottom of the principal post is arranged at piston
Above and with piston it is integrally formed, the outer barrel of piston and the internal face of sap cavity are slidably connected；
The sap cavity and inner cylinder, main inner chamber, communicated by mouth, runner vertical hole, suction pipe and form the discharge opeing of pump core part exhaust and used
Flow channel for liquids, the top of the subpost is respectively equipped with opens or closes liquid when the locking closure with by mouth threaded engagement or whiz
First check valve assembly of body runner, the outside of first check valve assembly are matched somebody with somebody with main inner chamber, inner cylinder with slight interference respectively
Close；
The internal face of the inner cylinder is equipped with the first cam line and the second cam line being distributed up and down, the first unidirectional valve group
Part is sealed on flow channel for liquids by the effect of the first cam line radial load in the on-state, is set below the first check valve assembly
There is the first seal boss for matching with the second cam line and being tightly connected；
The bottom of the subpost is equipped with lower the second seal boss being tightly connected that matches with the second cam line in off position.
Optimized according to above-mentioned, first check valve assembly includes being arranged at first sealing on runner vertical hole top
Seat, the first ball being matchedly connected with the first seal receptacle and the position-limited claw for limiting the first ball shift position, first circle
Ball with pressure change in flow channel for liquids and position-limited claw by the first cam line extrude inside or position-limited claw be flared out naturally and
It is subject to runner internal pressure power effect below the first ball to be sealedly attached to the first seal receptacle or be located away from the first seal receptacle.
Optimized according to above-mentioned, the outer circumference diameter of first seal receptacle is big with respect to the size of the first seal boss
And with being tightly connected with main inner chamber, inner cylinder.
Optimized according to above-mentioned, be provided with the horizontal through hole of runner in the middle part of the subpost, subpost bottom is provided with lead channel, the stream
The horizontal through hole in road is communicated with runner vertical hole, sap cavity respectively, and lead channel is communicated with sap cavity, suction pipe.
Optimized according to above-mentioned, the subpost bottom, which is equipped with, makes subpost location and installation in the convex at sap cavity center
The inner wall of platform, positioning convex platform and sap cavity, which matches, to be installed.
Optimized according to above-mentioned, the subpost, the second seal boss, positioning convex platform form the platform of adaptation spring suit
Rank column component.
Optimized according to above-mentioned, be equipped between the connection of the outer barrel and inner cylinder of the piston and position company with the top of spring
The positioning chamber connect, the end of spring are connected on the surface of positioning convex platform.
Optimized according to above-mentioned, the bottom of the pump housing is equipped with mouth threaded engagement or whiz is pressed when the locking closure and beats
The second check valve assembly of flow channel for liquids is closed on or off.
Optimized according to above-mentioned, second check valve assembly includes being disposed proximate to the second of the sap cavity bottom of suction pipe
Seal receptacle and with pressure change in flow channel for liquids and with the second seal receptacle be tightly connected or separated with the second seal receptacle second
Ball.
Optimized according to above-mentioned, the diameter of second ball is bigger than the width dimensions of lead channel.
The beneficial effects of the utility model are：It utilizes integrally formed principal post and piston, subpost, the first unidirectional valve group
The respective outer side edges of part, the second check valve assembly, can be in the case where being closed by mouth threaded engagement in locking closure, spring
Under full compression state, on the wall for the main inner chamber that the outer side seal of the size maximum of the first seal receptacle is connected to principal post, and boss
The second cam line and the second seal boss be interference fitted, realize subpost and integrally formed principal post, piston seal；When in breast
When liquid pump is in open mode, by mouth whiz locking closure, under the action of the spring, integrally formed principal post, piston rise with mouth is pressed
To peak, promote position-limited claw to be contacted with the first cam line, the first ball is sealedly attached to first by the extruding of position-limited claw
Seal receptacle, blocks runner vertical hole, while the first seal boss and the second cam line zero clearance or interference fit, realizes subpost and work
Sealed between the inner cylinder of plug.Pump core structure simplify, in the case of equal pump output, save cost of material, and reduce mould and
Equipment investment, reduces production cost, and efficiently solves nothing under existing simplified structure or lightweight emulsion pumps opening inactive state
Leakproofness, when being squeezed or toppling over the problem of serious leakage.
Brief description of the drawings
Fig. 1 is the utility model compared with the sectional view for hanging embodiment open mode.
Fig. 2 is the utility model compared with the sectional view for hanging embodiment closed mode.
Fig. 3 is the utility model compared with the sectional view for hanging subpost in embodiment.
Fig. 4 is the utility model compared with the enlarged drawing for hanging A in embodiment Fig. 3.
Fig. 5 is the utility model compared with the sectional view for hanging integrally formed principal post, piston in embodiment.
Embodiment
The utility model will be further described below in conjunction with the accompanying drawings, according to Fig. 1 to Fig. 5, the utility model
Optimize the emulsion pumps with drip-preventing function of structure, it includes bottle cap 1, locking closure 2, by mouth 3, pump core component, spring 4, suction pipe 5.
The pump core component is set in the pump housing 9, and locking closure 2 is installed with 9 close-fitting of the pump housing, and bottle cap 1 is installed between locking closure 2 and the pump housing 9.Its
In, the pump core component includes the principal post 6 containing main inner chamber 61, the piston 7 containing outer barrel 71 and inner cylinder 72, contains runner vertical hole
81 subpost 8, the pump housing 9 containing sap cavity 91.The bottom of the principal post 6 is arranged on piston 7 and is integrally formed with piston 7, and
The upper outside of principal post 6 by 3 lower section inner wall of mouth with fastening wire with being interference fitted.The outer barrel 71 forms double-deck tubular knot with inner cylinder 72
The piston 7 of structure, and outer barrel 71 and the internal face of the sap cavity 91 of the pump housing 9 are necessarily interference fitted.
Period, the sap cavity 91 and inner cylinder 72, main inner chamber 61, communicated by mouth 3, runner vertical hole 81, suction pipe 5 and form pump core
The flow channel for liquids of part exhaust discharge opeing.The top of the subpost 8 is respectively equipped with the bottom of the pump housing 9 revolves with by 3 screw thread of mouth
Conjunction or whiz open or close the first check valve assembly and the second check valve assembly of flow channel for liquids when locking closure 2.It is described
The outside of first check valve assembly is coordinated with main inner chamber 61, inner cylinder 72 with slight interference respectively, and the second check valve assembly, which is arranged at, to be connect
The bottom of the sap cavity 91 of nearly suction pipe 5.
With reference to shown in Fig. 1, Fig. 2 and Fig. 5, the internal face of the inner cylinder 72 is equipped with the first cam line 73 for being distributed up and down and the
Two cam lines 74.First check valve assembly is sealed in liquid by the effect of 73 radial load of the first cam line in the on-state
On runner, the lower section of the first check valve assembly is equipped with the first seal boss 82 for matching with the second cam line 74 and being tightly connected.Institute
The bottom for stating subpost 8 is equipped with the second seal boss for matching under emulsion pumps closed mode with the second cam line 74 and being tightly connected
83。
Referring to figs. 1 to shown in Fig. 4, first check valve assembly includes being arranged at first sealing on 81 top of runner vertical hole
The position-limited claw 86 of 85 shift position of seat 84, the first ball 85 being matchedly connected with the first seal receptacle 84 and the first ball of limitation,
First ball 85 is with pressure change in flow channel for liquids and position-limited claw 86 is extruded by the first cam line 73 or position-limited claw 86 is natural
Outward change, and be close to the first seal receptacle 84 or separated with the first seal receptacle 84, first ball 85 and first
When both seal receptacles 84 are separated or are close to, play one-way conduction or be sealed on flow channel for liquids.
In practical applications, there is the position-limited claw 86 of more than 3 on the outside of the 3rd seal receptacle, 86 lower space of position-limited claw is held
Perhaps Tri-ball freely activity, 86 top of position-limited claw enter main inner chamber to contract to prevent Tri-ball from departing from subpost 8
61st, on inner cylinder 72.86 radical of position-limited claw, width and thickness according to liquid viscosity, runner size it needs to be determined that, to ensure liquid in liquid
Flowing is smooth in body runner.
With reference to shown in Fig. 1, Fig. 2, second check valve assembly includes being disposed proximate to the of 91 bottom of sap cavity of suction pipe 5
Two seal receptacles 92 and it is tightly connected with the second seal receptacle 92 with pressure change in flow channel for liquids or divides with the second seal receptacle 92
From the second ball 93.
That is, when pressing mouth 3, after integrally formed principal post 6,7 stress of piston, subpost 8 is in integrally formed principal post 6, work
Plug 7 in relative uplink, the second ball 93 9 internal pressure of the pump housing effect under, be close on the second seal receptacle 92, prevent gas or
Liquid is flowed back into Packaging Bottle.At this time, pressure rise in sap cavity 91, gas or liquid unidirectionally lead to through 84 tapping of the first seal receptacle
Cross, and through being flowed out by mouth 3, realize compression exhaust, discharge opeing process.
After external pressure is released, under the elastic force effect of spring 4, integrally formed principal post 6, piston 7 are interior certainly in the pump housing 9
By sliding upwards.And the versus downstream in integrally formed principal post 6, piston 7 of subpost 8.At this time, sap cavity 91 gradually expands in the pump housing 9
Greatly, there is negative pressure, the first ball 85 is close on the first seal receptacle 84 under pressure, maintains 91 negative pressure of sap cavity of the pump housing 9, directly
To completion imbibition or breathing process.
Referring to figs. 1 to shown in Fig. 5, the shank diameter of the subpost 8 is more smaller than 8 both ends of subpost, convex with the first of inner cylinder 72
Fastening wire 73,74 clearance fit of the second cam line, to reduce resistance when emulsion pumps pressing, rebound, improving use makes sense.
Moreover, the outer circumference diameter of first seal receptacle 84 in 8 top of subpost with respect to subpost 8 both ends,
The size of one seal boss 82 is big, and keeps slight interference amount to be tightly connected with main inner chamber 61, inner cylinder 72, improves leakproofness.
When emulsion pumps are closed, compressive state is completely in locking closure 2, spring 4 by 3 threaded engagement of mouth.The
The outer side seal of the size maximum of one seal receptacle 84 is connected on the wall of main inner chamber 61 of principal post 6, while the second cam line 74
Be interference fitted with the second seal boss 83, realize that subpost 8 is tightly connected with integrally formed principal post 6, piston 7 so that liquid by
Hinder in the sealing lower section of integrally formed principal post 6, piston 7, can not be flowed out through internal flow channel for liquids from by mouth 3.
When emulsion pumps press 3 screw thread whiz locking closure 2 of mouth, when emulsion pumps are in open mode, integrally formed principal post 6, piston 7
Under the effect of 4 elastic force of spring peak is risen to by mouth 3.At this time, 86 and first seal boss 82 of position-limited claw of subpost 8 is distinguished
Contacted with the first cam line 73 of inner cylinder 72 and the second cam line 74.Position-limited claw 86 is acted on by 73 radial load of the first cam line, to
Center is drawn close and extrudes the first ball 85, the first ball 85 is close on the first seal receptacle 84, so as to block inside subpost 8
Runner vertical hole 81.Meanwhile first seal boss 82 and 74 zero clearance of the second cam line or interference fit, realize the body of rod of subpost 8
It is tightly connected between inner cylinder 72.At this time, the flow channel for liquids inside emulsion pumps is closed, and liquid can not be flowed out from by mouth 3, is realized
Sealing under open mode.
In this way, subpost 8, integrally formed principal post 6 and piston 7, the first check valve assembly, the second check valve assembly knot
Under structure coordinates, pump core structure simplifies, and in the case of equal pump output, saves cost of material, and reduces mould and equipment investment,
Production cost is reduced, and efficiently solves existing simplified structure or lightweight emulsion pumps and opens under inactive state without leakproofness, by
When extruding or toppling over the problem of serious leakage.
In addition, referring to figs. 1 to shown in Fig. 4,8 bottom of subpost is equipped with positioning convex platform 89.The subpost 8, second seals
Boss 83, positioning convex platform 89 form the step column component of adaptation 4 suit of spring.In practical application, the outer barrel 71 of the piston 7
The positioning chamber 75 being located by connecting with the top of spring 4 is equipped between connection with inner cylinder 72, the end of spring 4 is connected to convex
On the surface of platform 89, strengthen stable connection, it is ensured that use quality.
And the positioning convex platform 89 is in the step of bottom, positioning convex platform 89 mainly acts on 8 location and installation of subpost
In the center of sap cavity 91.And coordinated for ease of assembling, the outside of positioning convex platform 89 with 91 inner wall of sap cavity with small―gap suture or transition.
In addition, the top of positioning convex platform 89 is the second seal boss 83.In emulsion pumps closed mode, the second seal boss
83 with 72 interference fit seal of inner cylinder of piston 7.
Referring to figs. 1 to shown in Fig. 4, the middle part of subpost 8 is provided with the horizontal through hole 87 of runner, and it is close that the horizontal through hole 87 of runner is in second
Seal the top of boss 83.The horizontal through hole 87 of runner is communicated through subpost 8 and with runner vertical hole 81, sap cavity 91.Moreover, the subpost
8 bottoms are provided with lead channel 88.The lead channel 88 is communicated with sap cavity 91, the second seal receptacle 92.
After being unscrewed from locking closure 2 by mouth 3, under the effect of spring 4, integrally formed principal post 6, piston 7 are upward with mouth 3 is pressed
Movement.Inner cylinder 72 leaves 83 uplink of the second seal boss, and lead channel 88 is communicated with the horizontal through hole 87 of sap cavity 91, the runner of the pump housing 9, liquid
Body enters in sap cavity 91, flow channel for liquids out of Packaging Bottle through suction pipe 5, the second seal receptacle 92, lead channel 88.
In practical applications, the diameter of second ball 93 is bigger than the width dimensions of lead channel 88.Prevent the second ball
93 are upwardly into the top of subpost 8 or flow channel for liquids.
Above-mentioned specific embodiment is only the preferable embodiment of the utility model effect, all identical with this structure or wait
The emulsion pumps with drip-preventing function of same optimization structure, in the protection domain of the application.
Claims (10)
- Optimize the emulsion pumps with drip-preventing function of structure 1. a kind of, including bottle cap (1), locking closure (2), press mouth (3), pump core portion Part, spring (4), suction pipe (5), the pump core component are set in the pump housing (9), and locking closure (2) is installed with the pump housing (9) close-fitting, bottle cap (1) it is installed between locking closure (2) and the pump housing (9), it is characterised in that：The pump core component includes the principal post containing main inner chamber (61) (6), the piston (7) containing outer barrel (71) and inner cylinder (72), the subpost (8) containing runner vertical hole (81), contain sap cavity (91) The pump housing (9), the bottom of the principal post (6) are arranged on piston (7) and are integrally formed with piston (7), the outer barrel (71) of piston (7) It is slidably connected with the internal face of sap cavity (91)；The sap cavity (91) communicates and is formed with inner cylinder (72), main inner chamber (61), by mouth (3), runner vertical hole (81), suction pipe (5) The flow channel for liquids of pump core part exhaust discharge opeing, the top of the subpost (8) are respectively equipped with by mouth (3) threaded engagement or rotation From opening or closing the first check valve assembly of flow channel for liquids when locking closure (2), the outside of first check valve assembly Coordinated respectively with main inner chamber (61) or inner cylinder (72) with slight interference；The internal face of the inner cylinder (72) is equipped with the first cam line (73) for being distributed up and down and the second cam line (74), and described first Check valve assembly is sealed on flow channel for liquids by the effect of first cam line (73) radial load in the on-state, the first check valve The lower section of component is equipped with the first seal boss (82) for matching with the second cam line (74) and being tightly connected；It is convex that the bottom of the subpost (8) is equipped with lower the second sealing being tightly connected that matches with the second cam line (74) in off position Platform (83).
- 2. optimize the emulsion pumps with drip-preventing function of structure according to claim 1, it is characterised in that：According to claim The emulsion pumps with drip-preventing function of the 1 optimization structure, it is characterised in that：First check valve assembly includes being arranged at stream First seal receptacle (84) on road vertical hole (81) top, the first ball (85) being matchedly connected with the first seal receptacle (84) and limit the The position-limited claw (86) of one ball (85) shift position, first ball (85) is as position-limited claw (86) is by the first cam line (73) extruding or position-limited claw (86) are flared out and are subject to runner internal pressure power effect sealing below the first ball (85) naturally inside It is connected to the first seal receptacle (84) or is located away from the first seal receptacle (84).
- 3. optimize the emulsion pumps with drip-preventing function of structure according to claim 2, it is characterised in that：First sealing The outer circumference diameter of seat (84) is big with respect to the size of the first seal boss (82) and connects with main inner chamber (61), inner cylinder (72) sealing Connect.
- 4. optimize the emulsion pumps with drip-preventing function of structure according to claim 3, it is characterised in that：The subpost (8) Middle part is provided with the horizontal through hole of runner (87), and subpost (8) bottom is provided with lead channel (88), the horizontal through hole of runner (87) respectively with runner Vertical hole (81), sap cavity (91) communicate, and lead channel (88) is communicated with sap cavity (91), suction pipe (5).
- 5. optimize the emulsion pumps with drip-preventing function of structure according to claim 4, it is characterised in that：The subpost (8) Bottom, which is equipped with, makes subpost (8) location and installation in the positioning convex platform (89) at sap cavity (91) center, positioning convex platform (89) and sap cavity (91) inner wall, which matches, to be installed.
- 6. optimize the emulsion pumps with drip-preventing function of structure according to claim 5, it is characterised in that：The subpost (8), Second seal boss (83), positioning convex platform (89) form the step column component of adaptation spring (4) suit.
- 7. optimize the emulsion pumps with drip-preventing function of structure according to claim 6, it is characterised in that：The piston (7) Outer barrel (71) and inner cylinder (72) connection between be equipped with the positioning chamber (75) being located by connecting with the top of spring (4), spring (4) End be connected on the surface of positioning convex platform (89).
- 8. according to the emulsion pumps with drip-preventing function of any one of claim 1 to the 7 optimization structure, it is characterised in that：Institute The bottom for stating the pump housing (9) is equipped with and opens or closes flow channel for liquids with by mouth (3) threaded engagement or whiz and use when locking closure (2) The second check valve assembly.
- 9. optimize the emulsion pumps with drip-preventing function of structure according to claim 8, it is characterised in that：Described second is unidirectional Valve module includes being disposed proximate to second seal receptacle (92) of sap cavity (91) bottom of suction pipe (5) and with pressure in flow channel for liquids Change and with the second seal receptacle (92) be tightly connected or the second ball (93) separated with the second seal receptacle (92).
- 10. optimize the emulsion pumps with drip-preventing function of structure according to claim 9, it is characterised in that：Second circle The diameter of ball (93) is bigger than the width dimensions of lead channel (88).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721093612.5U CN207329221U (en) | 2017-08-28 | 2017-08-28 | A kind of emulsion pumps with drip-preventing function for optimizing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721093612.5U CN207329221U (en) | 2017-08-28 | 2017-08-28 | A kind of emulsion pumps with drip-preventing function for optimizing structure |
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| Publication Number | Publication Date |
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| CN207329221U true CN207329221U (en) | 2018-05-08 |
Family
ID=62371331
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|---|---|---|---|
| CN201721093612.5U Active CN207329221U (en) | 2017-08-28 | 2017-08-28 | A kind of emulsion pumps with drip-preventing function for optimizing structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109941590A (en) * | 2019-04-23 | 2019-06-28 | 宋建新 | A kind of section amount emulsion pumps |
| WO2020043053A1 (en) * | 2018-08-27 | 2020-03-05 | 中山市美捷时包装制品有限公司 | Lotion pump |
| CN111466808A (en) * | 2020-05-09 | 2020-07-31 | 荣成歌尔电子科技有限公司 | Push type disinfection mechanism |
-
2017
- 2017-08-28 CN CN201721093612.5U patent/CN207329221U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020043053A1 (en) * | 2018-08-27 | 2020-03-05 | 中山市美捷时包装制品有限公司 | Lotion pump |
| US11084054B2 (en) | 2018-08-27 | 2021-08-10 | Majesty Packaging Systems Limited | Lotion pump |
| CN109941590A (en) * | 2019-04-23 | 2019-06-28 | 宋建新 | A kind of section amount emulsion pumps |
| CN111466808A (en) * | 2020-05-09 | 2020-07-31 | 荣成歌尔电子科技有限公司 | Push type disinfection mechanism |
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