CN212951941U - Improved structure of spray head - Google Patents

Improved structure of spray head Download PDF

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Publication number
CN212951941U
CN212951941U CN202021868492.3U CN202021868492U CN212951941U CN 212951941 U CN212951941 U CN 212951941U CN 202021868492 U CN202021868492 U CN 202021868492U CN 212951941 U CN212951941 U CN 212951941U
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China
Prior art keywords
valve
piston
pump body
wall
piston rod
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Active
Application number
CN202021868492.3U
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Chinese (zh)
Inventor
桂仁东
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Zhejiang Shengqi Industrial Co ltd
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Zhejiang Shengqi Industrial Co ltd
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Priority to CN202021868492.3U priority Critical patent/CN212951941U/en
Priority to PCT/CN2021/082509 priority patent/WO2021208684A1/en
Application granted granted Critical
Publication of CN212951941U publication Critical patent/CN212951941U/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
    • B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1066—Pump inlet valves
    • B05B11/1067—Pump inlet valves actuated by pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1074—Springs located outside pump chambers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1077—Springs characterised by a particular shape or material

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  • Closures For Containers (AREA)

Abstract

The utility model relates to a shower nozzle improves structure, including head cap, piston rod, switch, helicoidal, piston seat and the pump body, the upper end of piston seat inserts the bottom of piston rod and forms static fit with the piston rod, and the piston cover is established on the piston rod, the inner wall and the piston rod of piston form dynamic seal cooperation, and the outer wall and the pump body inner wall of piston contact, and in the pump body was located to the switch, the upper end and the head cap of switch offset, and the lower extreme and the piston of switch offset. The utility model discloses a pump body lower part internal diameter shrinks gradually and forms the first toper cover section that top-down linked up in proper order, straight section of thick bamboo section and second toper cover section, the lower port of second toper cover section forms the infusion mouth that supplies liquid to pass through, install the valve of downwardly extending to second toper cover section in the straight section of thick bamboo, the lower extreme of valve is for the valve post that can open the infusion mouth or close, the structure replaces the too steep structure of current pump body lower part slope, the injection moulding production of being convenient for, and be favorable to increasing the compression capacity of valve, improve the leakproofness.

Description

Improved structure of spray head
Technical Field
The utility model relates to a shower nozzle improves structure.
Background
The emulsion pump is widely used in daily life of people, and is used for pumping the emulsion out of daily cleaning and skin care products such as hand sanitizer, shampoo, shower gel, facial cleanser and the like.
The existing emulsion pumps have a plurality of structural forms, and various emulsion pumps generally comprise components such as a head cap, a piston rod, a spring, a switch, a threaded cover, a piston seat, a pump body, glass beads and the like, wherein the head cap, the piston rod and a valve body are in static fit and can be regarded as an integral piece, and the piston is positioned between the piston seat and the piston rod. When the emulsion needs to be pumped out, the head cap is pressed downwards, the piston rod and the valve body move downwards along with the head cap, the spring is compressed, and meanwhile, the piston is driven to move downwards, so that the emulsion stored in the pump body in advance is pumped out. After the emulsion is pumped out, the hands are released, the piston, the valve body, the piston rod and the head cap move upwards under the elastic force of the spring, and the emulsion is sealed in the pump body again.
A gap generally exists between a head cap and a pump body of the existing emulsion pump, when the emulsion pump is used in a shower room, external water can flow into a bottle body through the gap between the head cap and the pump body, so that the emulsion in the bottle body is easily mixed into the water, and the quality of the emulsion is influenced.
The prior application of the applicant improves the existing emulsion pump, can avoid external water from flowing into a bottle body through a gap between a head cap and a pump body, but for the structure after the adaptation improvement, the valve is disc-shaped, the appearance and the inner step surface of the lower part of the pump body need to be correspondingly changed, and the pump body is difficult to realize good sealing performance at the steep side wall due to the steeper gradient of the valve.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the first technical problem that will solve is to prior art's current situation, thereby provides the shower nozzle that can reduce the inclination of pump body lower part and conveniently mould plastics and improve the leakproofness and improves the structure.
The utility model discloses the second technical problem that solve is to prior art's current situation, provides one kind and can avoid external water to flow into the shower nozzle improvement structure in the bottle through the clearance between the head cap and the pump body.
The utility model provides a technical scheme that at least one above-mentioned technical problem adopted does: the utility model provides a structure is improved to shower nozzle, includes head cap, piston rod, switch, helicoidal, piston seat and the pump body, the head cap is installed on the piston rod, the bottom that the upper end of piston seat inserted the piston rod forms static cooperation with the piston rod, the piston housing is established on the piston rod, the inner wall and the piston rod of piston form dynamic seal cooperation, and the outer wall and the pump body inner wall of piston contact, in the pump body was located to the switch, the upper end and the head cap of switch offset, and the lower extreme and the piston of switch offset its characterized in that: the internal diameter of pump body lower part contracts gradually and forms first toper cover section, straight section of thick bamboo section and second toper cover section that top-down links up in proper order, the lower port of second toper cover section forms the infusion mouth that supplies liquid to pass through, install the valve that downwardly extending to second toper cover section in the straight section of thick bamboo, the lower extreme of this valve is for can opening the valve column that the infusion mouth was closed.
In the above scheme, the valve comprises a valve ring, an elastic part and the valve column, the valve ring is constrained in a straight cylinder section of the pump body, the upper end of the elastic part is connected with the valve ring, the lower end of the elastic part is connected with the valve column, and the elastic part enables the valve column to always keep the trend of deviating from the valve ring. By adopting the structure, the valve can be conveniently installed in a narrow and long space formed by the straight cylinder section and the second conical sleeve section in the axial direction, and the valve ring and the valve column are respectively abutted against the outside and the inside of the piston seat in the using process, so that the matching stability and the sealing property are favorably improved.
Preferably, the elastic member includes at least two elastic strips extending in a spiral shape, and the elastic strips are integrally formed with the valve ring and the valve column. The structure can enable the valve to have good elasticity, the sealing performance is improved, and the integrally formed structure is convenient to produce and manufacture.
In order to facilitate assembly, a step is arranged on the inner wall of the pump body straight cylinder section, the outer edge of the valve ring abuts against the step, a limiting convex rib which is located above the step and abuts against the upper edge of the valve ring is arranged on the inner wall of the pump body straight cylinder section, and the lower end of the valve ring is provided with an insertion part which can downwards cross the step and is inserted and matched with the inner wall of the straight cylinder section. And the outer peripheral wall of at least the lower part of the valve column forms an arc surface which can be elastically pressed with the inner wall near the lower port of the second conical sleeve section. The steps and the limiting convex ribs are convenient for restraining the valve in the pump body, and the arrangement of the insertion part and the arc surface is beneficial to further improving the sealing property.
Preferably, the central part of the bottom of the piston seat is provided with a pressing column which extends downwards and can penetrate through the valve ring to abut against the top wall of the valve column, and correspondingly, the top of the valve column is provided with a positioning hole for the pressing column to extend into. When the piston seat supports the valve, the bottom edge of the piston seat supports against the valve ring, and the pressing column supports against the valve column downwards, so that the sealing performance is improved.
In each scheme, a plastic spring which enables the head cap to keep upward reset in a downward pressing state is installed between the head cap and the spiral ring, the outer peripheral wall of the plastic spring is of a closed structure, the upper end of the plastic spring is installed on the head cap, and the lower end of the plastic spring is connected to the spiral ring and the pump body in a sealing mode. The plastic spring is arranged between the head cap and the spiral ring, so that the head cap keeps the trend of downward reset in a downward pressing state, and the lower end of the plastic spring is hermetically connected to the spiral ring and the pump body, so that when the shower nozzle is used in a shower room, outside water cannot flow into the bottle body through a gap between the head cap and the pump body.
In order to make plastic spring and helicoidal, the pump body have good leakproofness, plastic spring's lower extreme has radial boss, and the lower part of radial boss stretches into in the pump body and sealed mutually with the pump body, leave annular gap between the edge on radial boss and the pump body, helicoidal upper portion has radial card and goes into snap ring in the annular gap.
Preferably, the top of the spiral ring is formed with a sunken step for accommodating the radial boss.
Compared with the prior art, the utility model has the advantages of: the utility model discloses a pump body lower part internal diameter shrinks gradually and forms the first toper cover section that top-down linked up in proper order, straight section of thick bamboo section and second toper cover section, the lower port of second toper cover section forms the infusion mouth that supplies liquid to pass through, install the valve of downwardly extending to second toper cover section in the straight section of thick bamboo, the lower extreme of valve is for the valve post that can open or close the infusion mouth, adopt above-mentioned structure, replace the structure that current pump body lower part slope is too steep, be convenient for mould plastics production, and because the valve is at pump body axial ascending altitude augmentation, stride across straight section of thick bamboo and second toper cover section, be favorable to increasing the compression capacity, improve the leakproofness.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a cross-sectional view of an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
fig. 4 is a schematic structural diagram of a valve according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 4, the improved structure of the nozzle of the present embodiment includes a head cap 1, a piston rod 2, a switch 3, a coil 4, a piston 5, a piston seat 6, a pump body 7, a plastic spring 8, a suction pipe 9, and a valve 10.
The head cap 1 is installed on the piston rod 2, the upper end of the piston seat 6 is inserted into the bottom of the piston rod 2 and forms static fit with the piston rod 2, the piston 5 is sleeved on the piston rod 2, the inner wall of the piston 5 forms dynamic sealing fit with the piston rod 2, the outer wall of the piston 5 is in contact with the inner wall of the pump body 7, the switch 3 is arranged in the pump body 7, the upper end of the switch 3 is abutted to the head cap 1, and the lower end of the switch 3 is abutted to the piston 5. A suction pipe 9 is installed at a lower portion of the pump body 7, a valve 10 is installed inside the pump body 7, and the valve 10 is located above the suction pipe 9.
The inner diameter of the lower part of the pump body 7 gradually shrinks to form a first conical casing section 73, a straight cylinder section 74 and a second conical casing section 75 which are sequentially connected from top to bottom, the lower port of the second conical casing section 75 forms an infusion port 751 for liquid to pass through, the valve 10 is restrained in the straight cylinder section 74 and extends downwards to the lower end of the second conical casing section 75, and the lower end of the valve 10 is a valve column 103 capable of opening or closing the infusion port 751.
Specifically, the valve 10 includes a valve ring 101, an elastic member 102, and a spool 103, the valve ring 101 is constrained in the straight section 74 of the pump body 7, the upper end of the elastic member 102 is connected to the valve ring 101, the lower end of the elastic member 102 is connected to the spool 103, and the elastic member 102 keeps the spool 103 away from the valve ring 101. By adopting the structure, the valve 10 can be conveniently installed by utilizing the axially narrow space formed by the straight tube section 74 and the second conical sleeve section 75, and the valve ring 101 and the valve column 103 respectively abut against the outside and the inside of the piston seat 6 in the using process, thereby being beneficial to improving the matching stability and the sealing property.
The elastic member 102 includes three spirally extending elastic strips, and the elastic strips 102 are integrally formed with the valve ring 101 and the valve stem 103. The structure can ensure that the valve 10 has good elasticity, the sealing performance is improved, and the integrally formed structure is convenient to produce and manufacture.
In order to facilitate assembly, a step 741 is disposed on the inner wall of the straight cylindrical section 74 of the pump body 7, the outer edge of the valve ring 101 abuts against the step 741, a limiting convex rib 742 which is located above the step 741 and abuts against the upper edge of the valve ring 101 is disposed on the inner wall of the straight cylindrical section 74 of the pump body 7, and the lower end of the valve ring 101 is provided with an insertion part 1011 which can downwards cross the step 741 to be inserted into the inner wall of the straight cylindrical section 74. The outer peripheral wall of the lower portion of the spool 103 forms an arc surface 1031 elastically pressing against the inner wall of the second conical sleeve section 75 near the lower port 751. The step 741 and the limiting rib 742 facilitate the restriction of the valve 10 in the pump body 7, and the arrangement of the insertion portion 1011 and the arc surface 1031 is beneficial to further improving the sealing performance.
In this embodiment, the central portion of the bottom of the piston seat 6 is provided with a pressing column 64 extending downward so as to be capable of penetrating through the valve ring 101 and abutting against the top wall of the valve column 103, and correspondingly, the top of the valve column 103 is provided with a positioning hole 1032 into which the pressing column 64 extends. When the piston seat 6 presses the valve 10, the bottom edge of the piston seat 6 presses against the valve ring 101, and the pressing column 64 presses against the valve column 103 downward, which is beneficial to improving the sealing performance.
The plastic spring 8 of this embodiment is external spring, adopts no spiral helicine flat spring and periphery wall to be enclosed construction, and plastic spring 8 is the tube-shape, and plastic spring 8 installs and installs between head cap 1 and helicoid 4 and install and make head cap 1 keep keeping the trend of upwards restoring to the throne under the state of pressing down. The specific mounting structure of the plastic spring 8 is as follows: the upper end of the plastic spring 8 is installed on the head cap 1, the lower end of the plastic spring 8 is connected to the helicoidal ring 4 and the pump body 7 in a sealing mode, the lower end of the plastic spring 8 is provided with a radial boss 81, the lower portion of the radial boss 81 extends into the pump body 7 and is sealed with the pump body, an annular gap is reserved between the radial boss 81 and the upper edge 71 of the pump body, the upper portion of the helicoidal ring 4 is provided with a snap ring 41 which is radially clamped into the annular gap, the plastic spring 8, the nut 4 and the pump body 7 are in interference fit, and the sealing type is. In addition, the top of the coil 4 is formed with a sunken step 42 for receiving the radial boss 81.
After the plastic spring of the nozzle adopts the installation structure, the sealing performance between the plastic spring 8 and the pump body 7 and between the plastic spring and the spiral ring 4 can be ensured, and when the shower room is used, outside water cannot flow into a bottle body (not shown) through a gap between the head cap 1 and the pump body 7.
In this embodiment, a vertical through hole 61 is formed at the upper end of the piston holder 6, a boss 62 for abutting against the piston 5 is provided at the lower end of the piston holder 6, and a horizontal through hole 63 penetrating the vertical through hole 61 is formed above the boss 62. The transverse through-hole 63 and the vertical through-hole 61 constitute a passage for pumping out the emulsion.
An upper limiting step 31 and a lower limiting step 32 are formed at the bottom of the switch 3, a radial limiting boss 21 is formed on the outer wall of the lower end part of the piston rod 2, the radial limiting boss 21 abuts against the upper limiting step 31, the top of the piston 6 abuts against the lower limiting step 32, and a movable gap is reserved between the radial limiting boss 21 and the top of the piston 5 in the switch-off state. Under the switch on state, the radial limit boss 21 of the piston rod 2 moves downwards to abut against the top of the piston 5, and the piston 5 is separated from the switch 3 under the driving of the piston rod 2. In order to enable the piston 5 to move along the inner wall of the pump body 7, the piston 5 and the piston seat 6 can move relatively, the lip edges of the largest edges of the upper end and the lower end of the piston 5 are in interference sliding fit with the pump body 7, the inner hole of the piston 5 is in interference sealing sliding fit with the piston rod 2, and the friction force between the piston 5 and the pump body 7 is larger than the friction force between the piston 5 and the piston rod 2.
To maintain good sealing between the piston 5 and the piston rod 2 and between the piston 5 and the switch 3. In this embodiment, the piston 5 includes an outer valve 51 and an inner valve 52, the outer valve 51 is an inward concave arc-shaped cylinder and is in contact sealing with the inner wall surface of the pump body 7, the inner and outer side surfaces of the inner valve 52 respectively form an inner vertical surface and an outer vertical surface, the inner vertical surface is used for being in contact sealing with the lower end portion of the piston rod 2 and located on the outer wall surface of the radial limit boss 21, and the outer vertical surface is used for being in contact sealing with the inner wall surface of the bottom of the switch 3 and located below the lower limit step 32.
The working principle of the spray head is as follows:
the spiral ring 4 is matched with a bottle body (not shown) to be screwed, when the bottle is used, the head cap 1 is rotated and opened, the head cap 1 is pressed by hands, and the head cap 1 moves downwards under the stress; because the head cap 1 is assembled with the piston rod 2 and the piston seat 6, the head cap 1 moves downwards together with the piston rod 2 and the piston seat 6; because friction force exists between the piston 5 and the pump body 7, the piston 5 and the piston seat 6 move relatively, the piston 5 is separated from the boss 62 of the piston seat 6, and a gap is formed between the piston 5 and the boss 62; when the piston 5 relatively moves to the radial limiting boss 21 of the piston rod 2, the head cap 1, the piston rod 2, the piston seat 6 and the piston 5 move downwards together, the plastic spring 8 is compressed, the pressure column 64 of the piston seat 6 downwards presses the valve column 103 for sealing, the pump cavity is separated from the bottle body, and air in the pump cavity is discharged;
when the head cap 1 is loosened by hand, the head cap 1 is not acted by a downward force at the moment, the piston seat 6, the piston rod 2 and the head cap 1 move upwards under the action of the elastic force of the plastic spring 8, because the friction force exists between the piston 5 and the pump body 7, the piston 5 and the piston seat 6 move relatively, the piston 5 returns to the boss 62 of the piston seat 6 again to form sealing with the piston seat 6, and then the piston seat 6, the piston rod 2, the piston 5 and the head cap 1 continue to move upwards, the resisting pressure of the piston seat 6 on the valve 10 is cancelled, and under the action of atmospheric pressure, a gap is generated between the valve post 103 and the infusion port 751, the liquid in the bottle is sucked into the pump body 7, and at the moment, the gas outside the pump enters the bottle body for filling through the air inlet 72 in the middle of the pump body 7 along the gap between the;
the liquid in the bottle is continuously discharged from the pump by reciprocating in this way; when the head cap 1 is not used, the head cap 1 is rotated in the opposite direction, and the head cap 1 is limited and cannot be pressed down.

Claims (8)

1. The utility model provides a structure is improved to shower nozzle, includes head cap, piston rod, switch, helicoidal, piston seat and the pump body, the head cap is installed on the piston rod, the bottom that the upper end of piston seat inserted the piston rod forms static cooperation with the piston rod, the piston housing is established on the piston rod, the inner wall and the piston rod of piston form dynamic seal cooperation, and the outer wall and the pump body inner wall of piston contact, in the pump body was located to the switch, the upper end and the head cap of switch offset, and the lower extreme and the piston of switch offset its characterized in that: the internal diameter of pump body lower part contracts gradually and forms first toper cover section, straight section of thick bamboo section and second toper cover section that top-down links up in proper order, the lower port of second toper cover section forms the infusion mouth that supplies liquid to pass through, install the valve that downwardly extending to second toper cover section in the straight section of thick bamboo, the lower extreme of this valve is for can opening the valve column that the infusion mouth was closed.
2. The improved structure of the spray head of claim 1, wherein: the valve comprises a valve ring, an elastic piece and a valve column, wherein the valve ring is constrained in a straight cylinder section of the pump body, the upper end of the elastic piece is connected with the valve ring, the lower end of the elastic piece is connected with the valve column, and the elastic piece enables the valve column to always keep the trend of deviating from the valve ring.
3. The improved structure of the spray head of claim 2, wherein: the elastic piece comprises at least two elastic strips which extend spirally, and the elastic strips are integrally formed with the valve ring and the valve column.
4. The improved structure of the spray head of claim 2, wherein: the inner wall of the pump body straight cylinder section is provided with a step, the outer edge of the valve ring is abutted against the step, the inner wall of the pump body straight cylinder section is provided with a limiting convex rib which is positioned above the step and abutted against the upper edge of the valve ring, and the lower end of the valve ring is provided with an inserting part which can downwards cross the step and is inserted and matched with the inner wall of the straight cylinder section.
5. The improved structure of the spray head of claim 2, wherein: and the outer peripheral wall of at least the lower part of the valve column forms an arc surface which can be elastically pressed with the inner wall near the lower port of the second conical sleeve section.
6. The improved structure of the spray head of claim 1, wherein: the central part of piston seat bottom is provided with the compression leg that downwardly extending thereby can pass the valve ring and offset with the roof of valve post, and correspondingly, the top of valve post is opened has the locating hole that supplies the compression leg to stretch into.
7. The improved structure of the spray head according to any one of claims 1 to 6, wherein: install between head cap and the helicoidal and make the head cap keep keeping under the state of pressing down and have the plastics spring that upwards resets, the periphery wall of plastics spring is enclosed construction, the upper end of plastics spring is installed on the head cap, and the lower extreme sealing connection of plastics spring is in on helicoidal and the pump body.
8. The improved structure of the spray head of claim 7, wherein: the lower end of the plastic spring is provided with a radial boss, the lower part of the radial boss extends into the pump body and is sealed with the pump body, an annular gap is reserved between the radial boss and the upper edge of the pump body, and the upper part of the helicoidal ring is provided with a snap ring which is radially clamped into the annular gap; and a sunken step for accommodating the radial boss is formed at the top of the spiral ring.
CN202021868492.3U 2020-04-13 2020-08-31 Improved structure of spray head Active CN212951941U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202021868492.3U CN212951941U (en) 2020-08-31 2020-08-31 Improved structure of spray head
PCT/CN2021/082509 WO2021208684A1 (en) 2020-04-13 2021-03-24 Improved spray head structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021868492.3U CN212951941U (en) 2020-08-31 2020-08-31 Improved structure of spray head

Publications (1)

Publication Number Publication Date
CN212951941U true CN212951941U (en) 2021-04-13

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Application Number Title Priority Date Filing Date
CN202021868492.3U Active CN212951941U (en) 2020-04-13 2020-08-31 Improved structure of spray head

Country Status (1)

Country Link
CN (1) CN212951941U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113501192A (en) * 2021-08-09 2021-10-15 上海洁诺德塑胶制品有限公司 Pump head, pump core with pump head and palm pressure type building block pump tank with pump core
CN116037347A (en) * 2023-03-06 2023-05-02 汕头市友力塑胶包装有限公司 Press pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113501192A (en) * 2021-08-09 2021-10-15 上海洁诺德塑胶制品有限公司 Pump head, pump core with pump head and palm pressure type building block pump tank with pump core
CN116037347A (en) * 2023-03-06 2023-05-02 汕头市友力塑胶包装有限公司 Press pump

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