CN216003686U - Emulsion pump head with external spring - Google Patents

Emulsion pump head with external spring Download PDF

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Publication number
CN216003686U
CN216003686U CN202122326190.4U CN202122326190U CN216003686U CN 216003686 U CN216003686 U CN 216003686U CN 202122326190 U CN202122326190 U CN 202122326190U CN 216003686 U CN216003686 U CN 216003686U
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CN
China
Prior art keywords
pump
head
groove
emulsion
limiting
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Active
Application number
CN202122326190.4U
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Chinese (zh)
Inventor
王联合
王浩源
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Guangzhou Zhengxi Packing Products Co ltd
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Guangzhou Zhengxi Packing Products Co ltd
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Priority to CN202122326190.4U priority Critical patent/CN216003686U/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
    • B05B11/1059—Means for locking a pump or its actuation means in a fixed position
    • 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
    • B05B11/0005—Components or details
    • B05B11/0037—Containers
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means
    • 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
    • B05B11/1001—Piston pumps
    • B05B11/1023—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem
    • 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
    • B05B11/1073—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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  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)

Abstract

The application discloses an emulsion pump head with an external spring, which comprises a pressing head, a container cover and a pump body; the pressing head is arranged in a hollow mode, the container cover is sleeved on the pump body, the pressing head comprises a pump pipe and a pump nozzle installed on the pump pipe, the pump pipe is connected to the pump body, and the pump body is used for pumping emulsion in the container into the pressing head; the container cover is characterized by further comprising an elastic piece, one end of the elastic piece is fixedly connected to the container cover, and the other end of the elastic piece abuts against the pump nozzle; this application has the effect that reduces spring and emulsion contact and leads to spring corrosion to pollute the emulsion, improves product quality.

Description

Emulsion pump head with external spring
Technical Field
The application relates to press the pump field, especially relate to an external emulsion pump head of spring.
Background
The pressing pump is a liquid taking device which can be fixed at an opening of a liquid container and is used for drawing liquid in the container through pressing, a metal spring used for resetting a pump head is usually arranged inside a pump shell of the pressing pump, on one hand, the metal spring is easily contacted with the liquid in the pressing pump, so that the metal spring is corroded and pollutes contents, and on the other hand, the use of the metal spring also enables the pressing pump to be disassembled and classified when being recycled.
In view of the above-mentioned related art, the inventors thought that there was a problem that the emulsion was contaminated by the corrosion of the metal spring.
SUMMERY OF THE UTILITY MODEL
In order to reduce the contact of metal spring and emulsion and lead to the spring corrosion to pollute emulsion, improve product quality and shelf life, this application provides an external emulsion pump head of spring.
The technical problem to be solved by the application is realized by adopting the following technical scheme:
an emulsion pump head with an external spring comprises a pressing head, a container cover and a pump body; the pressing head is arranged in a hollow mode, the container cover is sleeved on the pump body, the pressing head comprises a pump pipe and a pump nozzle installed on the pump pipe, the pump pipe is connected to the pump body, and the pump body is used for pumping emulsion in the container into the pressing head; the method is characterized in that: the pump nozzle is characterized by further comprising an elastic piece, one end of the elastic piece is fixedly connected to the container cover, the other end of the elastic piece abuts against the pump nozzle, and the elastic piece is a tubular rubber spring with a corrugated cross section.
Through above-mentioned technical scheme, the press head is used for pressing and provides the power of extraction emulsion for the emulsion pump head, and the elastic component plays the effect that lets the press head reset wherein, and the elastic component is located outside the pump case, and the elastic component is difficult to contact with the emulsion in the pump case, can reach the problem that reduces the elastic component and pollute solution because of contacting with the emulsion.
Further, the elastic piece is tubular, and the elastic piece is sleeved on the pump pipe.
Through above-mentioned technical scheme, the elastic component is through designing into tubulose and the cover locate the pump line for the compression effect of elastic component is more stable, is difficult for taking place to buckle or damage in frequently pressing, has improved the life of elastic component.
Further, an end cover that the pump mouth was kept away from to the elastic component is equipped with elastic connecting portion, elastic connecting portion set up in the outer fringe of elastic component, the container lid is equipped with the third spread groove that supplies elastic connecting portion card to go into, elastic connecting portion and container lid interference fit.
Through above-mentioned technical scheme, the elastic component realizes dismantling through interference fit between elastic connection portion and the container lid and is connected, and this kind of connected mode's advantage is the dismouting of being convenient for.
The pump body comprises a piston rod, a piston head, a pump shell and a liquid inlet ball valve, the piston rod is fixedly connected to the pump pipe, a liquid inlet hole and a bearing part are formed in one end, far away from the pump pipe, of the piston rod, the liquid inlet hole is adjacent to the bearing part, the piston head is sleeved at one end, provided with the liquid inlet hole, of the piston rod, the piston head is connected into the pump shell in a sliding mode, and one end, far away from the container cover, of the piston head is abutted to the bearing part; the outer wall of the piston rod is provided with a sliding groove, the piston head is connected to the sliding groove in a sliding mode, and the liquid inlet ball valve is arranged at one end, far away from the container cover, of the pump shell.
According to the technical scheme, the piston rod is provided with the sliding groove, the piston head is connected to the sliding groove in a sliding mode, when the piston head slides from one end far away from the container cover to one end close to the container cover, the air pressure below the piston head in the pump shell is smaller than the air pressure in the liquid storage bottle, the liquid inlet ball valve is sucked up under the action of the air pressure, emulsion enters the pump shell from the feed inlet below the pump shell, the piston head slides to the position of the liquid inlet hole, and the liquid inlet hole is in a closed state at the moment, so that the emulsion can be prevented from leaking from the liquid inlet hole; when the piston head slides from one end close to the container cover to one end far away from the container cover, the air pressure below the piston head in the pump shell is larger than the air pressure in the liquid storage bottle, the liquid inlet ball valve blocks the feed inlet under the action of the air pressure, the piston head is jacked up from the position of the liquid inlet hole, and the liquid inlet hole is in an open state, so that emulsion can enter the piston rod from the liquid inlet hole; the sliding groove enables the liquid inlet hole to be opened and closed according to the position change of the piston head, and the piston head can move along with the piston rod.
Further, the piston rod is located to the pump tube sleeve, the one end outer wall department that the piston rod is close to the pump tube is provided with first connection arris, the position that corresponds with first connection arris on the inner wall of pump tube is provided with first connecting slot, first connection arris joint in first connecting slot.
Through above-mentioned technical scheme, piston rod and pump line are connected in the mode of first connecting groove through first connection arris joint, and the use of reducible glue or other connecting pieces, convenient and fast has reduced artifical and material cost in the emulsion pump head assembling process, also more environmental protection simultaneously.
Furthermore, a limiting pipe is fixedly connected in the pump shell, a limiting groove is formed in the end face, close to the pressing head, of one end of the limiting pipe, the limiting groove extends towards the length direction of the limiting pipe, a limiting edge is arranged on the outer wall of the pump pipe, and the limiting edge is connected to the limiting groove in a sliding mode.
Through the technical scheme, the limiting edge on the pressing head can be connected with the limiting groove in a sliding mode or abutted against the end face of the limiting pipe, when the limiting edge on the pump pipe rotates to the position above the limiting groove, the pressing head is in a pressed unlocking state, the pump pipe can slide in the limiting pipe, and the emulsion pump head can be used normally; when the limiting edge on the pump pipe rotates to the position above the end face of the limiting pipe, the pressing head is in a locking state which can not be pressed down, and leakage is prevented in the transportation process.
Furthermore, one end, close to the pressing head, of the limiting pipe is provided with a butting groove, the butting groove is communicated with the limiting groove, and the limiting edge is butted against the butting groove.
Through above-mentioned technical scheme, but spacing arris sliding connection on the press head is on spacing groove or butt in the butt groove, and when spacing arris on the pump line rotated to the butt groove, the press head was in the locking state that can not be pushed down, and spacing arris butt can more rotate to the unblock state in the butt groove relative to the locking scheme of spacing arris butt in spacing tub of terminal surface in the butt groove.
Furthermore, a positioning groove is formed in the position, far away from the limiting groove, of the abutting groove, and the limiting edge is clamped in the positioning groove.
Through above-mentioned technical scheme, when spacing arris on the press head changes to constant head tank department, because there is the drop at the height of constant head tank bottom and butt tank bottom, the press head is difficult to change to the unblock state because of dropping or colliding in the transportation by accident, has improved the stability of locking state.
To sum up, the utility model discloses a beneficial technological effect does:
1. the elastic part used in the application is tubular, is made of elastic plastics, is arranged outside the container and the pump shell and is not contacted with the emulsion in the container, and the elastic part can not contact and pollute the emulsion in the container in the using process; meanwhile, the pump head is provided with the elastic piece made of plastic materials, so that disassembly and sorting are not needed during recycling, and the pump head is convenient to recycle.
2. The application provides a pair of external emulsion pump head of spring is provided with the spacing pipe that is used for restricting the press head home range, can make the press head be in lock-out state or unblock state through the position of rotating the press head, prevents to leak night when being favorable to transporting.
3. The application provides a pair of external emulsion pump head of spring is many places and is used joint or interference fit's mode to assemble, reducible assembly step, manual work and material cost are favorable to reduction in production cost and reduction environmental pollution.
Drawings
Fig. 1 is an exploded view of an emulsion pump head according to an embodiment of the present application.
Fig. 2 is a sectional view of the internal structure of an emulsion pump head according to an embodiment of the present application.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
Fig. 4 is a partially enlarged view of a portion B in fig. 2.
Fig. 5 is a schematic structural diagram of the pressing head and the limiting tube in cooperation with each other according to the embodiment of the present application.
Description of reference numerals:
1. a pressing head; 11. a pump tube; 111. a limiting edge; 112. a first connecting groove; 12. a pump nozzle; 2. an elastic member; 21. an elastic connection portion; 3. a limiting pipe; 31. a limiting groove; 32. a butt joint groove; 321. positioning a groove; 4. A piston rod; 41. a first connecting edge; 42. a sliding groove; 43. a liquid inlet hole; 44. a bearing part; 5. a piston head; 6. a container cover; 61. a second connecting groove; 62. a third connecting groove; 7. a pump housing; 73. a second connecting edge; 8. a liquid inlet ball valve; 9. and a pump body.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses an external emulsion pump head of spring. Referring to fig. 1 and 2, the emulsion pump head includes a pressing head 1, an elastic member 2, a container cap 6, and a pump body 9; the pressing head 1 comprises a pump pipe 11 and a pump nozzle 12 connected to the pump pipe 11, the pump pipe 11 and the pump nozzle 12 are integrally formed, the pump pipe 11 is connected to the pump body 9, the pressing head 1 is arranged in a hollow mode, and the pressing head 1 is a channel for flowing out of the liquid containing emulsion extracted by the pump body 9; the container cover 6 is sleeved and fixedly connected with the pump body 9, the container cover 6 is cylindrical, the inner wall of the container cover 6 is provided with threads, and the emulsion pump head is connected with the bottle mouth of the liquid storage bottle through the container cover 6 in a threaded manner; the pump body 9 is used for pumping the emulsion in the liquid storage bottle out through the pressing head 1.
The elastic piece 2 is a tubular rubber spring with a corrugated cross section, the elastic piece 2 is sleeved on the pump pipe 11, one end of the elastic piece 2 is abutted to the pump nozzle 12, the other end of the elastic piece 2 is detachably connected to the container cover 6, the elastic piece 2 provides elastic force for automatic recovery after the pressing head 1 is pressed down, and the elastic piece 2 is arranged outside the pump pipe 11 and the pump body 9, so that the elastic piece 2 is not interfered with a path through which emulsion flows, the possibility that the elastic piece 2 pollutes the emulsion is reduced, and the corrosion of the emulsion to the elastic piece 2 can also be reduced; one pot head that the pump mouth 12 was kept away from to elastic component 2 is equipped with elastic connection portion 21, and elastic connection portion 21 sets up in the outer fringe of elastic component 2, and container lid 6 is equipped with the third spread groove 62 that supplies elastic connection portion 21 card to go into, and elastic connection portion 21 and container lid 6 interference fit are convenient for dismouting and maintenance.
Referring to fig. 2 and 3, the pump body 9 includes a pump housing 7; the pump shell 7 is arranged in a hollow mode, one end of the pump shell 7 is detachably mounted on the container cover 6, and the other end of the pump shell 7 extends towards the direction far away from the pressing head 1; a second connecting groove 61 is formed in the inner wall of the container cover 6 close to one end of the pressing head 1; a second connecting edge 73 is arranged on the outer wall of one end, close to the pressing head 1, of the pump shell 7, and the second connecting edge 73 is located at the position, corresponding to the second connecting groove 61, of the pump shell 7; the second connecting rib 73 is engaged with the second connecting groove 61, so that the container cover 6 and the pump housing 7 are fixedly connected.
The pump body 9 further comprises a piston rod 4, a piston head 5 and a liquid inlet ball valve 8, the piston rod 4 is arranged in a hollow mode, one end of the piston rod 4 is fixedly connected to the pump pipe 11, and the other end of the piston rod 4 extends into the pump shell 7; the piston head 5 is arranged in the pump shell 7 in a sliding manner, the piston head 5 is sleeved at one end of the piston rod 4 in the pump shell 7, and the piston head 5 and the piston rod 4 are arranged in a sliding manner; the end part of the piston rod 4, which is positioned in the pump shell 7, is provided with a bearing part 44, and one end of the piston head 5, which is far away from the container cover 6, is abutted against the bearing part 44; the outer wall of the part of the piston rod 4 positioned in the pump shell 7 is provided with a sliding groove 42, the sliding groove 42 extends towards the length direction of the piston rod 7, and one side of the piston head 5 far away from the bearing part 44 is installed in the sliding groove 42 in a sliding manner; when the pressing head 1 is pressed downwards, the piston rod 4 and the piston head 5 slide relatively until the groove wall of the sliding groove 42 abuts against the piston head 5, and then the piston head 5 can be driven to slide together; when the pressing head 1 is pulled, the pressing head 1 is driven by the receiving portion 44 to slide to the initial position.
A liquid inlet hole 43 communicated with the inside of the piston rod 4 is formed in the position, corresponding to the piston head 5, of the piston rod 4; the liquid inlet ball valve 8 is arranged at the port of one end of the pump shell 7 far away from the container cover 6; when the piston head moves towards the liquid inlet ball valve 8, the liquid inlet ball valve 8 blocks the feed inlet of the pump shell 7 under the action of air pressure, and emulsion in the pump shell 7 enters the piston rod 4 through the liquid inlet hole 43; when the piston rod 4 moves towards the direction far away from the liquid inlet ball valve 8, pressure difference is formed between the pump shell 7 and the liquid storage bottle, the liquid inlet ball valve 8 opens the feeding hole of the pump shell 7, and emulsion in the liquid storage bottle enters the pump shell 7.
Referring to fig. 2 and 4, one end of the pump tube 11, which is away from the pump nozzle 12, is sleeved on one end of the piston rod 4, which is away from the piston head 5, the outer wall of one end of the piston rod 4, which is close to the pump tube 11, is fixed with a first connecting edge 41, the first connecting edge 41 extends along the circumferential direction of the piston rod 4, the inner wall of the pump tube 11 is provided with a first connecting groove 112, and the first connecting edge 41 is clamped in the first connecting groove 112; the pump tube 11 and the piston rod 4 are fixedly connected through the first connecting edge 41 and the first connecting groove 112, so that the assembly efficiency of the emulsion pump head in the production process can be improved.
Referring to fig. 4 and 5, the emulsion pump head further includes a limiting tube 3, the limiting tube 3 is sleeved on the piston rod 4, an outer wall of one end of the limiting tube 3 is fixedly connected to an inner wall of one end of the pump case 7 close to the pressing head 1, so that the pump case 7 is separated from the outside to form a closed space, one end of the limiting groove 3 located in the pump case 7 abuts against the piston head 5 to play a role in limiting the maximum displacement of the piston head 5 towards the direction of the pressing head 1, and the other end of the limiting tube 3 extends out of the pump case 7 and abuts against the pump tube 11.
The limiting tube 3 is provided with a limiting groove 31 at one end close to the pressing head 1, the limiting groove 31 extends towards the length direction of the limiting tube 3, the limiting tube 3 is further provided with a butting groove 32, the butting groove 32 is communicated with the limiting groove 31, a positioning groove 321 is arranged at the bottom of the butting groove 32, the positioning groove 321 extends towards the length direction of the limiting tube 3, the outer wall of the pump tube 11 is provided with a limiting edge 111, the limiting edge 111 is clamped in the positioning groove 321, the pressing head 1 in a locking state is not prone to accidental unlocking caused by falling or collision, only the pressing head 1 is pulled up and rotated to enable the limiting edge 111 to be separated from the positioning groove 321, the pressing head 1 can enter an unlocking state through rotation, and the design of the positioning groove 321 is beneficial to improving the stability of the locking state; when the limiting edge 111 abuts against the abutting groove 32, the pressing head 1 cannot be pressed down, the pressing head 1 is in a locking state at the moment, the emulsion pump head cannot be normally used, when the limiting edge 111 is connected to the limiting groove 31 in a sliding mode, the pressing head 1 can be pressed down, the pressing head 1 is in an unlocking state at the moment, and the emulsion pump head can be normally used.
The implementation principle of the embodiment is as follows:
the application provides an external emulsion pump head of spring can use on various containers that hold the emulsion through container lid 6 connection, can select the extension union coupling of different length on pump case 7 according to the container size simultaneously.
The pressure pump discharges air in the pump shell 7 by utilizing the movement of the piston and the opening and closing of the one-way valve to cause the difference of internal pressure and external pressure, so that the liquid rises under the action of atmospheric pressure and is discharged from the pump nozzle 12; the elastic member 2 plays a role of restoring the pressing head 1 therein.
When the pressing head 1 is pressed, the pressure in the space between the piston head 5 and the liquid inlet ball valve 8 in the pump shell 7 is increased, the elastic part 2 is compressed, the liquid inlet valve is closed, the piston rod 4 moves downwards, the piston head 5 moves upwards relative to the piston rod 4, the liquid inlet hole 43 on the piston rod 4 is opened, and the liquid in the pump shell 7 flows out of the bottle through the pump shell 7, the piston rod 4 and the pressing head 1 under the action of the pressure; when the pressing state is removed, the elastic part 2 restores the initial state, so that the piston head 5 moves upwards, the pressure in the space between the piston head 5 and the liquid inlet ball valve 8 in the pump shell 7 is reduced, the piston head 5 moves downwards relative to the piston rod 4, the liquid inlet hole 43 on the piston rod 4 is closed, the liquid inlet valve is opened, and liquid enters the pump shell 7 from the liquid storage bottle through the liquid inlet valve under the action of the pressure in the liquid storage bottle; in the process, the emulsion is not contacted with the elastic part 2 in the whole process, so that the problem that the elastic part 2 is contacted with the emulsion and pollutes the emulsion can be solved.
Because the extraction process of the emulsion is powered by pressing the pressing head 1, the motion state of the pressing head 1 is limited, and the effect of preventing the emulsion in the container from leaking can be achieved, and the emulsion pump head is switched between the locking state and the unlocking state by rotating the pressing head 1 in the limiting pipe 3 to different positions; when the emulsion pump head needs to be used, the pressing head 1 is rotated to the position where the limiting edge 111 is connected with the limiting groove 31 in a sliding manner, at the moment, the pressing head 1 is in a state of unlocking and can be pressed down, the pump tube 11 can slide in the limiting tube 3, and the emulsion pump head can be normally used; when the emulsion pump head needs to be locked, the pressing head 1 is rotated to the limit edge 111 to abut against the abutting groove 32, and the pressing head 1 is in a locking state which cannot be pressed down at the moment, so that the leakage is prevented in the transportation process; the tank bottom in butt joint groove 32 is provided with constant head tank 321, and when spacing arris 111 joint in constant head tank 321, the press head 1 that is in locking state is difficult because of falling or the collision leads to unexpected unblock, is favorable to improving locking state's stability.
The above is a preferred embodiment of the present application, and the scope of protection of the present application is not limited by the above, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. An emulsion pump head with an external spring comprises a pressing head (1), a container cover (6) and a pump body (9); the pressing head (1) is arranged in a hollow mode, the container cover (6) is sleeved on the pump body (9), the pressing head (1) comprises a pump pipe (11) and a pump nozzle (12) installed on the pump pipe (11), the pump pipe (11) is connected to the pump body (9), and the pump body (9) is used for pumping emulsion in the container into the pressing head (1); the method is characterized in that: the pump is characterized by further comprising an elastic piece (2), one end of the elastic piece (2) is fixedly connected to the container cover (6), the other end of the elastic piece is abutted to the pump nozzle (12), and the elastic piece (2) is a tubular rubber spring with a corrugated cross section.
2. An emulsion pump head with an external spring as claimed in claim 1, wherein: the elastic piece (2) is tubular, and the pump pipe (11) is sleeved with the elastic piece (2).
3. An emulsion pump head with an external spring as claimed in claim 1, wherein: elastic connecting portion (21) are equipped with to elastic component (2) keep away from the pot head of pump mouth (12), elastic connecting portion (21) set up in the outer fringe of elastic component (2), container lid (6) are equipped with third spread groove (62) that supply elastic connecting portion (21) card to go into, elastic connecting portion (21) and container lid (6) interference fit.
4. An emulsion pump head with an external spring as claimed in claim 1, wherein: the pump body (9) comprises a piston rod (4), a piston head (5), a pump shell (7) and a liquid inlet ball valve (8), the piston rod (4) is fixedly connected to the pump pipe (11), one end, far away from the pump pipe (11), of the piston rod (4) is provided with a liquid inlet hole (43) and a bearing part (44), the liquid inlet hole (43) is adjacent to the bearing part (44), the piston head (5) is sleeved at one end, far away from the liquid inlet hole (43), of the piston rod (4), the piston head (5) is connected in the pump shell (7) in a sliding mode, and one end, far away from the container cover (6), of the piston head (5) abuts against the bearing part (44); sliding groove (42) have been seted up to the outer wall of piston rod (4), piston head (5) sliding connection in sliding groove (42), feed liquor ball valve (8) set up in pump case (7) keep away from the one end of container lid (6).
5. An emulsion pump head with an external spring as claimed in claim 4, wherein: piston rod (4) are located to pump line (11) cover, piston rod (4) are close to one end outer wall department of pump line (11) and are provided with first connection arris (41), the position that corresponds with first connection arris (41) on the inner wall of pump line (11) is provided with first connecting groove (112), first connection arris (41) joint in first connecting groove (112).
6. An emulsion pump head with an external spring as claimed in claim 4, wherein: the pump casing (7) is internally and fixedly connected with a limiting pipe (3), a limiting groove (31) is formed in one end face, close to the pressing head (1), of the limiting pipe (3), the limiting groove (31) extends towards the length direction of the limiting pipe (3), a limiting edge (111) is arranged on the outer wall of the pump pipe (11), and the limiting edge (111) is connected to the limiting groove (31) in a sliding mode.
7. An emulsion pump head with an external spring as claimed in claim 6, wherein: one end, close to the pressing head (1), of the limiting pipe (3) is provided with a butting groove (32), the butting groove (32) is communicated with the limiting groove (31), and the limiting edge (111) is butted against the butting groove (32).
8. An emulsion pump head with an external spring as claimed in claim 7, wherein: the position, far away from the limiting groove (31), of the abutting groove (32) is provided with a positioning groove (321), and the limiting edge (111) is clamped in the positioning groove (321).
CN202122326190.4U 2021-09-25 2021-09-25 Emulsion pump head with external spring Active CN216003686U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122326190.4U CN216003686U (en) 2021-09-25 2021-09-25 Emulsion pump head with external spring

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024023831A1 (en) * 2022-07-28 2024-02-01 Livia Polymer Products Pvt. Ltd. All polymer liquid dispensing pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024023831A1 (en) * 2022-07-28 2024-02-01 Livia Polymer Products Pvt. Ltd. All polymer liquid dispensing pump

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