CN213832812U - Plastic pump with external elastomer - Google Patents
Plastic pump with external elastomer Download PDFInfo
- Publication number
- CN213832812U CN213832812U CN202022047745.7U CN202022047745U CN213832812U CN 213832812 U CN213832812 U CN 213832812U CN 202022047745 U CN202022047745 U CN 202022047745U CN 213832812 U CN213832812 U CN 213832812U
- Authority
- CN
- China
- Prior art keywords
- locking
- axial
- guide
- column
- plastic
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Images
Classifications
-
- 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
- B05B11/1001—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
Landscapes
- Reciprocating Pumps (AREA)
Abstract
An all-plastic pump with an external elastomer comprises a press head, screw teeth, a plastic pressure spring, a lock cover, a main column, an auxiliary column, a piston, a body and a plastic ball arranged on a one-way valve seat at the lower end of the body, wherein an axial guide groove and a circumferential arc-shaped guide locking groove are arranged on a circular spring seat of the lock cover; in a natural state, the axial guide rail is opposite to the axial guide groove, and the locking block is positioned in the axial guide groove; and under the locking state, the locking block is embedded with the locking part. Due to the adoption of the structure, the plastic pressure spring is in a small pressure state in a locking state; under the natural state after the unlocking, the plastic pressure spring is in a low-pressure state, so that the plastic pressure spring is prevented from being in a compressed state for a long time, the fatigue of the plastic pressure spring is prevented, and the service life is prolonged.
Description
Technical Field
The utility model relates to a lotion pump, especially a full plastic's lotion pump.
Background
In the prior art, the all-plastic emulsion pump comprises a press head, screw threads, a plastic pressure spring, a lock cover, a main column, an auxiliary column, a piston, a body and a plastic ball arranged on a one-way valve seat at the lower end of the body, wherein the press head comprises a liquid inlet channel, a sleeve surrounding the liquid inlet channel and a liquid outlet channel communicated with the liquid inlet channel; the main column comprises a hollow column body part and a cavity part which is arranged at the lower end and is provided with a lower opening, and the upper end and the lower end of the column body part are respectively provided with an inner interface; the auxiliary column comprises a liquid guide pipe and a piston mounting position arranged at the lower end of the liquid guide pipe. There are problems in that: under the locking state, the plastic pressure spring is in a compressed state, and after the plastic pressure spring is converted into a use state, the elasticity of the plastic pressure spring is reduced, so that the service life is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the plastic pump with the external elastic body can effectively protect the plastic pressure spring and prolong the service life of the plastic pressure spring.
The utility model discloses a realize like this: a full-plastic pump with an external elastomer comprises a press head, a screw thread, a plastic pressure spring, a lock cover, a main column, an auxiliary column, a piston, a body and a plastic ball arranged on a one-way valve seat at the lower end of the body, wherein the press head comprises a liquid inlet channel, a sleeve surrounding the liquid inlet channel and a liquid outlet channel communicated with the liquid inlet channel; the main column comprises a hollow column body part and a cavity part which is arranged at the lower end and is provided with a lower opening, and the upper end and the lower end of the column body part are respectively provided with an inner interface; the auxiliary column comprises a liquid guide pipe and a piston mounting position arranged at the lower end of the liquid guide pipe; it is characterized in that: an axial guide groove and a circular arc-shaped guide locking groove along the circumferential direction are formed in the circular spring seat of the lock cover, one end of the circular arc-shaped guide locking groove is communicated with the axial guide groove, an axial bulge is formed in the wall of the circular arc-shaped guide locking groove, the axial bulge and the closed end of the circular arc-shaped guide locking groove form a locking part, and the axial bulge and the open end of the circular guide locking groove form a guide part;
the column body part of the main column is provided with an axial guide rail and a locking block arranged at the lower end of the axial guide rail,
the column body part of the main column is in sliding fit with the central hole of the annular spring seat, and the axial guide rail is in sliding fit with the axial guide groove;
in a natural state, the axial guide rail is opposite to the axial guide groove, and the locking block is positioned in the axial guide groove;
in the locking state, the locking block is embedded with the locking part;
when the lock is switched to the locking state in a natural state, the press head, the main column, the auxiliary column and the piston rotate together, and the locking block slides with the axial protrusion through the guide part and then enters the locking part.
The all-plastic pump with the external elastomer is characterized in that: and the joint of the bottom plate of the circular arc-shaped guide locking groove and the axial guide groove is rounded.
The all-plastic pump with the external elastomer is characterized in that: the axial guide grooves are two and are arranged at two ends of a diameter line, and the circular arc-shaped guide locking grooves are two.
The utility model relates to an all-plastic pump with an external elastomer, which adopts the structure that a plastic pressure spring is in a small pressure state in a locking state; under the natural state after the unlocking, the plastic pressure spring is in a low-pressure state, so that the plastic pressure spring is prevented from being in a compressed state for a long time, the fatigue of the plastic pressure spring is prevented, and the service life is prolonged.
Drawings
Fig. 1 is a cross-sectional view of the present invention in a locked state.
Fig. 2 is a view a-a of fig. 1.
Fig. 3 is a cross-sectional view of the present invention in a natural state.
Fig. 4 is one of the exploded perspective views of the present invention.
Fig. 5 is a second exploded perspective view of the present invention.
Fig. 6 is a cross-sectional view of the main column and the locking engagement in the locked state of the present invention.
Fig. 7 is a view B-B of fig. 6.
Fig. 8 is a cross-sectional view of the main column and the locking engagement in the natural state of the present invention.
Fig. 9 is a view C-C of fig. 8.
Fig. 10 is a perspective sectional view of the main column of the present invention.
Fig. 11 is a perspective view of the main column of the present invention.
Fig. 12 is a perspective view of the locking cover of the present invention.
Fig. 13 is a perspective cross-sectional view of the closure of the present invention.
Fig. 14 is a perspective view of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the all-plastic pump with the external elastomer comprises a button head 1, a thread 2, a plastic pressure spring 3, a lock cover 4, a main column 5, an auxiliary column 6, a piston 7, a body 8 and a plastic ball (not shown in the figure) arranged on a one-way valve seat at the lower end of the body, wherein the button head 1 comprises a liquid inlet channel 1A, a sleeve 1B surrounding the liquid inlet channel and a liquid outlet channel 1C communicated with the liquid inlet channel, and the lock cover 4 comprises an annular flanging 41 arranged at the upper end, an annular spring seat 42 arranged in the lock cover, an upper spring cavity 43 and a stop cavity 44; the main column 5 comprises a hollow column part 51 and a cavity part 52 which is arranged at the lower end and is provided with a lower opening, and the upper end and the lower end of the column part 51 are respectively provided with an inner interface; the auxiliary column 6 comprises a liquid guide pipe 61 and a piston mounting position 62 arranged at the lower end of the liquid guide pipe; the upper end of the body 8 penetrates through a through hole on the top plate of the screw thread 2, an annular baffle disc 81 at the upper end of the body 8 is attached to the top plate of the screw thread 2, the lock cover 4 is inserted into the body 8 and fixedly connected together, and the upper end of the body 8 is matched with the annular flanging 41; the piston 7 is arranged on a piston mounting position 62 of the auxiliary column 6, the liquid guide pipe 61 is inserted into an inner port at the lower end of the main column 5, the piston 7 is matched with the cavity part 52, and the main column 5 passes through the annular spring seat 42 of the lock cover 4 to be inserted and fixed with the liquid inlet channel 1A of the press head 1; the plastic pressure spring is matched with the annular spring seat 42, the sleeve 1B and the liquid outlet channel 1C by the press head 1; the sleeve 1B is in sliding fit with the spring cavity 43 of the lock cover 4; the cavity portion 52 of the main post mates with the stop cavity 44.
As shown in fig. 12 and 13, an axial guide groove 45 and a circular arc-shaped guide locking groove along the circumferential direction are formed in the circular spring seat 42 of the lock cover 4, one end of the circular arc-shaped guide locking groove is communicated with the axial guide groove 45, an axial protrusion 46 is formed on the wall of the circular arc-shaped guide locking groove, the axial protrusion 46 and the closed end of the circular arc-shaped guide locking groove form a locking portion 471, and the axial protrusion 46 and the open end of the circular guide locking groove form a guide portion 472;
as shown in fig. 10 and 11, the column part 51 of the main column 5 is provided with an axial guide rail 53 and a locking block 54 arranged at the lower end of the axial guide rail,
the column part 51 of the main column 5 is in sliding fit with the central hole 421 of the circular spring seat 42, and the axial guide rail 53 is in sliding fit with the axial guide groove 45;
as shown in fig. 3, 8, and 9, in a natural state, the axial guide rail 53 faces the axial guide groove 45, and the locking piece 54 is located in the axial guide groove 45; a height difference H is formed between the bottom plate of the guide 472 and the lower end surface of the locking block 54, as shown in fig. 3;
as shown in fig. 2, 6 and 7, in the locked state, the locking piece 54 is engaged with the locking portion 471;
when the button 1, the main post 5, the sub-post 6, and the plunger 6 are rotated together in the switching to the locking state in the natural state, the locking piece 54 slides with the axial protrusion 46 through the guide 472, and then enters the locking portion 471. That is, in the state shown in fig. 6 and 7, the main column 5 is rotated counterclockwise, and the locking piece 54 enters the guide 472, and then enters the locking portion 471 by sliding engagement with the axial projection 46.
In a natural state, the press head 1, the main column 5, the auxiliary column 6 and the piston 7 are moved upwards, and then the press head 1 is rotated;
the joint of the guide part 472 of the circular arc guide locking groove and the axial guide groove 45 is rounded.
The axial guide grooves 45 are two and are arranged at two ends of a diameter line, and the circular arc-shaped guide locking grooves are two.
What has been described above is only a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and variations can be made without departing from the principle of the invention, which is also considered as the protection scope of the invention.
Claims (3)
1. A full-plastic pump with an external elastomer comprises a press head, a screw thread, a plastic pressure spring, a lock cover, a main column, an auxiliary column, a piston, a body and a plastic ball arranged on a one-way valve seat at the lower end of the body, wherein the press head comprises a liquid inlet channel, a sleeve surrounding the liquid inlet channel and a liquid outlet channel communicated with the liquid inlet channel; the main column comprises a hollow column body part and a cavity part which is arranged at the lower end and is provided with a lower opening, and the upper end and the lower end of the column body part are respectively provided with an inner interface; the auxiliary column comprises a liquid guide pipe and a piston mounting position arranged at the lower end of the liquid guide pipe; the method is characterized in that: an axial guide groove and a circular arc-shaped guide locking groove along the circumferential direction are formed in the circular spring seat of the lock cover, one end of the circular arc-shaped guide locking groove is communicated with the axial guide groove, an axial bulge is formed in the wall of the circular arc-shaped guide locking groove, the axial bulge and the closed end of the circular arc-shaped guide locking groove form a locking part, and the axial bulge and the open end of the circular guide locking groove form a guide part;
the column body part of the main column is provided with an axial guide rail and a locking block arranged at the lower end of the axial guide rail,
the column body part of the main column is in sliding fit with the central hole of the annular spring seat, and the axial guide rail is in sliding fit with the axial guide groove;
in a natural state, the axial guide rail is opposite to the axial guide groove, and the locking block is positioned in the axial guide groove;
in the locking state, the locking block is embedded with the locking part;
when the lock is switched to the locking state in a natural state, the press head, the main column, the auxiliary column and the piston rotate together, and the locking block slides with the axial protrusion through the guide part and then enters the locking part.
2. The plastic pump with external elastomer as claimed in claim 1, wherein: and the joint of the bottom plate of the circular arc-shaped guide locking groove and the axial guide groove is rounded.
3. The plastic pump with external elastomer as claimed in claim 1, wherein: the axial guide grooves are two and are arranged at two ends of a diameter line, and the circular arc-shaped guide locking grooves are two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022047745.7U CN213832812U (en) | 2020-09-17 | 2020-09-17 | Plastic pump with external elastomer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022047745.7U CN213832812U (en) | 2020-09-17 | 2020-09-17 | Plastic pump with external elastomer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213832812U true CN213832812U (en) | 2021-07-30 |
Family
ID=77006515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022047745.7U Active CN213832812U (en) | 2020-09-17 | 2020-09-17 | Plastic pump with external elastomer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213832812U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024067399A1 (en) * | 2022-09-26 | 2024-04-04 | 浙江正庄实业有限公司 | Press pump structure |
-
2020
- 2020-09-17 CN CN202022047745.7U patent/CN213832812U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024067399A1 (en) * | 2022-09-26 | 2024-04-04 | 浙江正庄实业有限公司 | Press pump structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107264970B (en) | External elastomer plastic spring pressing pump | |
| CA2444889A1 (en) | A valve for use with a syringe and which prevents backflow | |
| WO2021169649A1 (en) | Full-plastic emulsion pump | |
| CN111959940B (en) | Main column and piston integrated into one piece's plastic emulsion pump | |
| CN213832812U (en) | Plastic pump with external elastomer | |
| WO2024087707A1 (en) | Pressing pump capable of self-rotating locking and unlocking | |
| CN112340224A (en) | All-plastic pump with internal lock | |
| CN217348991U (en) | Suck-back pressing pump | |
| CN215437731U (en) | Column piston assembly and all-plastic oil pump | |
| CN211887508U (en) | Full plastic oil pump | |
| CN211686395U (en) | Limiting structure for bouncing of press head and main column of emulsion pump | |
| CN213139757U (en) | Press pump with improved piston | |
| CN209871173U (en) | Novel press pump with liftable and rotatable press head | |
| CN212386936U (en) | Spring-up structure of emulsion pump press head and main column | |
| CN210823534U (en) | Emulsion pump capable of stretching up and down and rotating left and right | |
| CN211663801U (en) | Full-plastic emulsion pump | |
| CN211443380U (en) | Emulsion pump with suck-back structure | |
| CN216469640U (en) | Self-resetting pressing pump | |
| CN213414820U (en) | Foam pump with improved locking device | |
| CN216762808U (en) | Suck-back pressing pump | |
| CN214876883U (en) | Pressing pump with built-in spring | |
| CN217898832U (en) | Push type valve core | |
| CN113148421A (en) | Anti-overflow pressing pump with external spring | |
| CN219273384U (en) | Pressing pump for rebound liquid | |
| CN214579105U (en) | Meter front gate valve with non-return function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |