CN218786208U - Pump core structure with plastic spring - Google Patents

Pump core structure with plastic spring Download PDF

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Publication number
CN218786208U
CN218786208U CN202222368458.5U CN202222368458U CN218786208U CN 218786208 U CN218786208 U CN 218786208U CN 202222368458 U CN202222368458 U CN 202222368458U CN 218786208 U CN218786208 U CN 218786208U
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CN
China
Prior art keywords
piston rod
plastic spring
pump
head cap
piston
Prior art date
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Application number
CN202222368458.5U
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Chinese (zh)
Inventor
桂仁东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Shengqi Industrial Co ltd
Original Assignee
Zhejiang Shengqi Industrial Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Shengqi Industrial Co ltd filed Critical Zhejiang Shengqi Industrial Co ltd
Priority to CN202222368458.5U priority Critical patent/CN218786208U/en
Application granted granted Critical
Publication of CN218786208U publication Critical patent/CN218786208U/en
Priority to PCT/CN2023/104295 priority patent/WO2024051314A1/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
    • B05B11/1001—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
    • B05B11/1059—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
    • B05B11/01—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
    • 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
    • B05B11/1069—Pump inlet valves actuated by pressure the valve being made of a resiliently deformable material or being urged in a closed position by a spring

Landscapes

  • Details Of Reciprocating Pumps (AREA)

Abstract

The utility model relates to a pump core structure with a plastic spring, which comprises a pump body, a helicoid, a head cap, a connecting seat, a piston rod and the plastic spring, wherein the connecting seat is arranged in a pump cavity and encloses an assembly cavity together with the pump cavity and a head cap inner cavity above the connecting seat; the piston rod is arranged in the pump cavity in a manner of moving up and down, the upper end of the piston rod is connected with the flow guide sleeve of the head cap, and the lower end of the piston rod penetrates through the assembly opening of the connecting seat to be arranged; the plastic spring is arranged in the assembly cavity and sleeved on the periphery of the piston rod and the flow guide sleeve, the upper end of the plastic spring is abutted against the inner top wall of the head cap, and the lower end of the plastic spring is abutted against the upper surface of the connecting seat. The utility model discloses utilize head cap and pump body upper portion to enclose to close out in vertical direction and the peripheral more anastomotic assembly chamber of plastics spring, utilize the piston rod to lead and support the plastics spring inboard simultaneously to better deformation to plastics spring retrains, makes its deformation law more, with the stability that improves the head cap and reciprocate.

Description

Pump core structure with plastic spring
Technical Field
The utility model relates to a cosmetics container technical field specifically indicates an use pump core structure that has plastic spring.
Background
The pump heads of cosmetic containers are generally provided with springs, and in order to facilitate recycling, all-plastic springs are adopted to replace metal springs in many pump heads at present.
The applicant' S prior application 202221999364.1, a plastic spring, discloses a structure comprising an upper connecting ring, a lower connecting ring and an elastic body connected between the upper connecting ring and the lower connecting ring, wherein the elastic body comprises at least two groups of elastic units capable of extending and retracting in the axial direction, the elastic units are formed into a continuous S-shaped structure and extend along the axial direction of the elastic body, and the elastic units are arranged at intervals in the circumferential direction so as to enclose a cylindrical structure which is communicated up and down. This spring structure not only has great bearing coefficient, and when the spring received both ends pressure moreover, because S column structure can use its crest, trough department to bend for folding strong point and do not block, can maximum utilization space, increases the effective stroke of spring, improves elasticity.
However, when the spring is used in the conventional pump core structure, it is found that the plastic spring is easily distorted during compression due to its large length and affects the stability of the use of the pump core without proper guiding and supporting compared to the conventional metal spring.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem to prior art's current situation, thereby provide one kind and can carry out better direction and support to the spring and improve the application that stability in use has the pump core structure of plastics spring.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
a pump cartridge structure to which a plastic spring is applied, comprising:
the pump body is provided with a hollow pump cavity, the bottom of the pump body is provided with a liquid inlet, and the top of the pump body is provided with an opening;
the helicoidal is connected to the top of the pump body and is provided with an opening which is communicated up and down corresponding to the opening;
the lower part of the head cap penetrates through the opening of the spiral ring and is in guide fit with the opening, and a guide sleeve which extends vertically is arranged in the head cap;
further comprising:
the connecting seat is arranged in the pump cavity, the middle part of the connecting seat is provided with an assembly opening which is communicated up and down, and the connecting seat, the pump cavity above the connecting seat and the inner cavity of the head cap jointly enclose an assembly cavity;
the piston rod can be arranged in the pump cavity in a vertically moving mode, the upper end of the piston rod is connected with the flow guide sleeve of the head cap, and the lower end of the piston rod penetrates through the assembling opening of the connecting seat to be arranged; and
and the plastic spring is arranged in the assembly cavity, is sleeved on the periphery of the piston rod and the guide sleeve, and has an upper end abutted against the inner top wall of the head cap and a lower end abutted against the upper surface of the connecting seat.
Preferably, the upper end of the piston rod is inserted into and connected with the lower end of the flow guide sleeve, and the diameter difference between the outer peripheral wall of the piston rod and the outer peripheral wall of the flow guide sleeve is within 0-6 mm in the assembled state. The plastic spring has stronger integrity and larger length, and is easy to be inclined in the compression process, the utility model limits the diameter difference between the peripheral wall of the piston rod and the peripheral wall of the flow guide sleeve, so that the clearance between the piston rod and the flow guide sleeve is basically consistent with the clearance between the piston rod and the flow guide sleeve and the inner wall of the plastic spring, thereby better restricting the deformation of the plastic spring and ensuring that the deformation is more regular; meanwhile, the structure can eliminate the interference on the deformation of the spring; to further improve the stability of the product.
In order to facilitate assembly and connection, the upper end of the piston rod is provided with a plug-in part which is inserted into the flow guide sleeve.
Preferably, the diameter of the outer peripheral wall of the piston rod is smaller than that of the outer peripheral wall of the flow guide sleeve, and a support rib which extends along the axial direction and is used for radially supporting the plastic spring is arranged on the outer peripheral wall of the piston rod. The usable less area of this structure radially further supports plastic spring, can play the effect that supports plastic spring, again because the support area is little and does not influence the piston rod and the whole support homogeneity to plastic spring of water conservancy diversion cover to make plastic spring's deformation rule more.
Preferably, the opening of the coil is provided with a guide ring extending in the axial direction, and in the assembled state, the inner circumferential surface of the guide ring is approximately aligned with the inner circumferential surface of the upper part of the pump cavity so as to form a guide surface in guiding fit with the outer circumferential wall of the head cap. This structure is favorable to improving the stability that the head cap reciprocated.
Preferably, the distance between the outer peripheral wall of the lower part of the head cap and the guide surface is 0.05-0.4 mm. Because the length of the plastic spring of the utility model can be larger, the spring is more easy to swing and skew, and by adopting the structure, the plastic spring can be matched with the supporting action of the piston rod, so that the swing and skew of the spring can be avoided, and the skew angle of the spring can be controlled within 1 degree of the single side; specifically, the plastic spring is too long, so that the plastic spring is easy to incline and has a large force arm, the sealing performance of the product is easy to cause problems, and the distance between the outer side of the press head and the upper inner side of the pump body is limited to 0.05-0.4mm, so that the pump core can be used for centering, and the problems are solved. Preferably, the lower end of the piston rod is connected with a piston seat and a small piston for controlling the fluid conduction of the piston seat, the top of the outer ring of the small piston is in matched sealing with the inner wall surface of the pump cavity, and the top of the inner ring of the small piston is in matched sealing with the lower end of the piston rod. The piston seat is provided with an inverted T-shaped flow passage, the bottom of the piston seat is provided with a backing ring positioned below the transverse part of the T-shaped flow passage, the inner ring of the small piston is sleeved on the periphery of the piston seat, and the lower end of the small piston is abutted against or separated from the top surface of the backing ring. The lower end of the piston rod is provided with a matching sleeve which expands outwards, and the top edge of the inner ring of the small piston is in sealing fit with the inner wall of the matching sleeve. The structure is favorable for improving the sealing performance of the pump core structure, reduces the air flow loss and improves the efficiency of the pump.
Preferably, a convex block is arranged on the outer peripheral wall of the lower part of the piston rod, and correspondingly, a notch for the convex block to pass through and a boss capable of abutting against the convex block for limiting are arranged on the inner peripheral wall of the assembling port of the connecting seat in an adjacent mode. Set up this structure, the accessible rotates the head cap and locks the position of piston rod, and when the lug of piston rod supported and leaned on the boss, the head cap was unable to be pushed down, and when the lug of piston rod corresponded the breach, the head cap can normally be pushed down to play the effect of avoiding the maloperation.
Compared with the prior art, the utility model has the advantages of: the utility model discloses utilize head cap and pump body upper portion to enclose to close out in vertical direction and the peripheral more anastomotic assembly chamber of plastics spring, utilize the piston rod to lead and support the plastics spring inboard simultaneously to better deformation to plastics spring retrains, makes its deformation law more, with the stability that improves the head cap and reciprocate.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
fig. 3 is a schematic structural view of a piston rod according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the connection seat in the 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 pump core structure with the plastic spring applied in this embodiment includes a pump body 1, a helicoidal ring 2, a head cap 3, a connecting seat 4, a piston rod 5 and a plastic spring 6, wherein the pump body 1 has a hollow pump cavity 11, a liquid inlet 12 is arranged at the bottom, and an opening is arranged at the top; the helicoidal ring 2 is connected to the top of the pump body 1 and is provided with an opening 21 which is communicated up and down corresponding to the opening; the lower part of the head cap 3 passes through the opening 21 of the helicoid 2 and is matched with the opening 21 in a guiding way, and a guide sleeve 31 which extends vertically is arranged in the head cap 3.
The connecting base 4 is arranged in the pump cavity 11, the middle part of the connecting base is provided with an assembling opening 41 which is penetrated up and down, and the connecting base 4, the pump cavity 11 above the connecting base and the inner cavity of the head cap 3 jointly enclose an assembling cavity 100. The piston rod 5 is arranged in the pump cavity 11 in a way that the piston rod can move up and down, the upper end of the piston rod 5 is connected with the flow guide sleeve 31 of the head cap 3, and the lower end of the piston rod 5 penetrates through the assembly opening 41 of the connecting seat 4 to be arranged. The plastic spring 6 is arranged in the assembly cavity 100, is sleeved on the periphery of the piston rod 5 and the diversion sleeve 31, the upper end of the plastic spring is abutted against the inner top wall of the head cap 3, and the lower end of the plastic spring is abutted against the upper surface of the connecting seat 4.
In this embodiment, the upper end of the piston rod 5 is inserted into the lower end of the guide sleeve 31, and in the assembled state, the diameter difference between the outer circumferential wall of the piston rod 5 and the outer circumferential wall of the guide sleeve 31 is within 0-6 mm. The diameter of this embodiment through 5 periphery walls of restriction piston rod and 31 periphery walls of water conservancy diversion cover is poor, makes the clearance between the two and the 6 inner walls of plastic spring unanimous basically to can be better retrain the deformation to plastic spring 6, make its deformation law more, with the stability of further improvement product.
The piston rod 5 of the present embodiment is provided with an insertion part 51 at the upper end, and the insertion part 51 is inserted into the guide sleeve 31.
The diameter of the outer peripheral wall of the piston rod 5 is smaller than that of the outer peripheral wall of the guide sleeve 31, and a support rib 52 which extends along the axial direction and is used for radially supporting the plastic spring 6 is arranged on the outer peripheral wall of the piston rod 5. The usable less area of this structure radially further supports plastic spring 6, can play the effect that supports plastic spring 6, again because the support area is little and does not influence the piston rod and the whole support homogeneity to plastic spring of water conservancy diversion cover to make plastic spring 6's deformation rule more.
In the present embodiment, the opening 21 of the coil 2 is provided with a guide ring 22 extending in the axial direction, and in the assembled state, the inner peripheral surface of the guide ring 22 is substantially aligned with the inner peripheral surface of the upper portion of the pump chamber 11 to form a guide surface 200 in guiding engagement with the outer peripheral wall of the head cap 3. This structure is advantageous for improving the stability of the up-and-down movement of the headgear 3. The distance between the outer peripheral wall of the lower part of the head cap 3 and the guide surface 200 is 0.05-0.4 mm. Because the length of the plastic spring 6 of this embodiment can be accomplished great, the spring sways crooked more easily, adopts above-mentioned structure, can cooperate with the supporting role of piston rod 5, avoids the spring to sway crooked, with the skew angle control of spring within unilateral 1.
In this embodiment, the lower end of the piston rod 5 is connected to a piston seat 7 and a small piston 8 for controlling the fluid conduction of the piston seat 7, the top of an outer ring 81 of the small piston 8 is in fit sealing with the inner wall surface of the pump cavity 11, and the top of an inner ring 82 of the small piston 8 is in fit sealing with the lower end of the piston rod 5. The piston seat 7 is provided with a flow passage 71 in an inverted T shape, the bottom of the piston seat 7 is provided with a backing ring 72 positioned below the transverse part of the T-shaped flow passage 71, the inner ring 82 of the small piston 8 is sleeved on the periphery of the piston seat 7, and the lower end of the inner ring is abutted against or separated from the top surface of the backing ring 72. The lower end of the piston rod 5 is provided with an outwardly expanded fitting sleeve 53, and the top edge of the inner ring 82 of the small piston 8 is in sealing fit with the inner wall of the fitting sleeve 53. The structure is favorable for improving the sealing performance of the pump core structure, reduces the air flow loss and improves the efficiency of the pump.
The outer peripheral wall of the lower part of the piston rod 5 is provided with a convex block 54, and correspondingly, the inner peripheral wall of the assembling opening 41 of the connecting seat 4 is provided with a notch 42 which is adjacently arranged and is used for the convex block 54 to pass through and a lug boss 43 which can be abutted against the convex block 54 for limiting. By adopting the structure, the position of the piston rod 5 can be locked by rotating the head cap 3, when the convex block 54 of the piston rod 5 abuts against the boss 43, the head cap 3 can not be pressed down, and when the convex block 54 of the piston rod 5 corresponds to the notch 42, the head cap 3 can be normally pressed down, thereby avoiding misoperation.
This embodiment utilizes the head cap 3 and 1 upper portion of the pump body to enclose and closes the assembly chamber 100 that more coincide with the plastics spring 6 periphery in vertical direction, utilizes the piston rod 5 to lead and support the plastics spring 6 inboard simultaneously to better retrain the deformation of plastics spring 6, make its deformation more regular, in order to improve the stability that the head cap 3 reciprocated.
Directional terms such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be construed as limiting, and for example, "upper" and "lower" are not necessarily limited to orientations opposite or consistent with the direction of gravity.

Claims (10)

1. A pump core structure to which a plastic spring is applied, comprising:
the pump body is provided with a hollow pump cavity, the bottom of the pump body is provided with a liquid inlet, and the top of the pump body is provided with an opening;
the helicoidal is connected to the top of the pump body and is provided with an opening which is communicated up and down corresponding to the opening;
the lower part of the head cap penetrates through the opening of the spiral ring and is in guide fit with the opening, and a guide sleeve which extends vertically is arranged in the head cap;
it is characterized by also comprising:
the connecting seat is arranged in the pump cavity, the middle part of the connecting seat is provided with an assembly opening which is penetrated up and down, and the connecting seat, the pump cavity above the connecting seat and the inner cavity of the head cap jointly enclose an assembly cavity;
the piston rod can be arranged in the pump cavity in a vertically moving mode, the upper end of the piston rod is connected with the flow guide sleeve of the head cap, and the lower end of the piston rod penetrates through the assembling opening of the connecting seat to be arranged; and
and the plastic spring is arranged in the assembly cavity, is sleeved on the periphery of the piston rod and the flow guide sleeve, and has the upper end abutted against the inner top wall of the head cap and the lower end abutted against the upper surface of the connecting seat.
2. The pump core structure to which the plastic spring is applied according to claim 1, wherein: the upper end of the piston rod is inserted and connected with the lower end of the flow guide sleeve, and the diameter difference between the outer peripheral wall of the piston rod and the outer peripheral wall of the flow guide sleeve is within 0-6 mm in the assembled state.
3. The pump core structure to which the plastic spring is applied according to claim 2, wherein: the upper end of the piston rod is provided with a plug-in part which is inserted into the flow guide sleeve.
4. The pump core structure to which the plastic spring is applied according to claim 2, wherein: the diameter of piston rod periphery wall is less than the diameter of water conservancy diversion cover periphery wall, be provided with on the periphery wall of piston rod along axial extension, be used for carrying out the brace rod that radially supports to the plastic spring.
5. The pump core structure to which the plastic spring is applied according to claim 1, wherein: the opening of the spiral ring is provided with a guide ring extending along the axial direction, and in the assembled state, the inner circumferential surface of the guide ring is approximately aligned with the inner circumferential surface of the upper part of the pump cavity so as to form a guide surface which is in guide fit with the outer circumferential wall of the head cap.
6. The pump core structure to which the plastic spring is applied according to claim 5, wherein: the distance between the peripheral wall of the lower part of the head cap and the guide surface is 0.05-0.4 mm.
7. The pump core structure to which the plastic spring is applied according to any one of claims 1 to 6, wherein: the lower end of the piston rod is connected with a piston seat and a small piston used for controlling the fluid conduction of the piston seat, the top of the outer ring of the small piston is matched and sealed with the inner wall surface of the pump cavity, and the top of the inner ring of the small piston is matched and sealed with the lower end of the piston rod.
8. The pump core structure to which the plastic spring is applied according to claim 7, wherein: the piston seat is provided with an inverted T-shaped flow passage, the bottom of the piston seat is provided with a backing ring positioned below the transverse part of the T-shaped flow passage, the inner ring of the small piston is sleeved on the periphery of the piston seat, and the lower end of the small piston is abutted against or separated from the top surface of the backing ring.
9. The pump core structure to which the plastic spring is applied according to claim 7, wherein: the lower end of the piston rod is provided with a matching sleeve which expands outwards, and the top edge of the inner ring of the small piston is in sealing fit with the inner wall of the matching sleeve.
10. The pump core structure to which the plastic spring is applied according to any one of claims 1 to 6, wherein: the outer peripheral wall of the lower part of the piston rod is provided with a convex block, correspondingly, the inner peripheral wall of the assembly port of the connecting seat is provided with a notch which is adjacently arranged and is used for the convex block to pass through and a lug boss which can be abutted against and limited by the convex block.
CN202222368458.5U 2022-09-06 2022-09-06 Pump core structure with plastic spring Active CN218786208U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202222368458.5U CN218786208U (en) 2022-09-06 2022-09-06 Pump core structure with plastic spring
PCT/CN2023/104295 WO2024051314A1 (en) 2022-09-06 2023-06-29 Plastic spring and use thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222368458.5U CN218786208U (en) 2022-09-06 2022-09-06 Pump core structure with plastic spring

Publications (1)

Publication Number Publication Date
CN218786208U true CN218786208U (en) 2023-04-04

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Application Number Title Priority Date Filing Date
CN202222368458.5U Active CN218786208U (en) 2022-09-06 2022-09-06 Pump core structure with plastic spring

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024051314A1 (en) * 2022-09-06 2024-03-14 浙江晟祺实业有限公司 Plastic spring and use thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024051314A1 (en) * 2022-09-06 2024-03-14 浙江晟祺实业有限公司 Plastic spring and use thereof

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