CN201007264Y - Electromagnetic pump plunger piston and sealing structure of axle sleeve - Google Patents
Electromagnetic pump plunger piston and sealing structure of axle sleeve Download PDFInfo
- Publication number
- CN201007264Y CN201007264Y CNU2007201182271U CN200720118227U CN201007264Y CN 201007264 Y CN201007264 Y CN 201007264Y CN U2007201182271 U CNU2007201182271 U CN U2007201182271U CN 200720118227 U CN200720118227 U CN 200720118227U CN 201007264 Y CN201007264 Y CN 201007264Y
- Authority
- CN
- China
- Prior art keywords
- plunger
- axle sleeve
- electromagnetic pump
- lining
- ring
- 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.)
- Expired - Fee Related
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- Sealing Devices (AREA)
Abstract
The utility model discloses a sealing structure of a plunger and a shaft sleeve of the electromagnetic pump, comprising the shaft sleeve and the plunger arranged inside the shaft sleeve, wherein a rubber sealing ring is disposed between the shaft sleeve and the plunger; the outer circumference of the plunger is also equipped with a lining sleeve made by antifriction material; the lining sleeve is slid and contacted with the plunger; the sealing ring is circled around and tightly contacted with the outer circumference of the lining sleeve; the edge of the outer wall of the lining sleeve is provided with a blocking ring projecting outwards; and since the lining sleeve made by the antifriction material is arranged between the rubber ring and the plunger, the rubber ring and the plunger doesn't directly contact with each other again, thereby largely advancing the life of the utility model.
Description
Technical field
The utility model relates to sealing configuration, more particularly, relates to the sealing configuration of electromagnetic pump plunger and axle sleeve.
Background technique
Electromagnetic pump is to utilize alternating current to make alternating magnetic field, thereby driving the plunger with magnetic moves up and down in axle sleeve to reach the purpose reciprocating pump that draws water, with reference to Fig. 1, electromagnetic pump mainly comprises axle sleeve (2), be located at the plunger with magnetic (1) in the axle sleeve (2) and be set in the coil (5) of plunger (1) excircle.Generally realize motive sealing between axle sleeve of existing electromagnetic pump (2) and the plunger (1) by rubber seal (3), friction is bigger between rubber seal (3) and the plunger (1), rubber seal (3) serious wear, after the work short time, the electromagnetism pump performance just can descend, to cause the lost of life of electromagnetic pump.
The model utility content
The purpose of this utility model is to overcome above-mentioned defective of the prior art, and the electromagnetic pump plunger of life-span length and the sealing configuration of axle sleeve are provided.
For achieving the above object, the technological scheme that the utility model provides is as follows: the sealing configuration of structure electromagnetic pump plunger and axle sleeve, comprise axle sleeve and be located at the interior plunger of axle sleeve, between axle sleeve and plunger, be provided with rubber seal, also be provided with the lining of making by high-abrasive material at described plunger excircle, described lining and described plunger sliding contact, described seal ring are around in described lining excircle and closely contact with it.
The back-up ring of outside protrusion can be set at a certain edge of described lining outer wall.
The back-up ring of outside protrusion also can all be set at the edge, both sides of described lining outer wall.
The beneficial effects of the utility model are: owing to be provided with the lining of being made by high-abrasive material between rubber ring and plunger, no longer directly contact between rubber ring and the plunger is so improved the life-span of the present utility model greatly.
Description of drawings
Fig. 1 is the sectional view of electromagnetic pump;
Fig. 2 is a ssembly drawing of the present utility model.
Annotate: description of reference numerals
Plunger (1); Axle sleeve (2); Rubber seal (3); Lining (4); Coil (5), back-up ring (6).
Embodiment
With reference to Fig. 2, the sealing configuration of electromagnetic pump plunger and axle sleeve is provided, comprise axle sleeve (2) and be located at the interior plunger (1) of axle sleeve (2), between axle sleeve (2) and plunger (1), be provided with rubber seal (3), also be provided with lining (4) at described plunger (1) excircle, described lining (4) and described plunger (1) sliding contact, described rubber seal (3) are around in described lining (4) excircle and closely contact with it.
When the utility model is specifically implemented,, the back-up ring (4) of outside protrusion can be set at edge, described lining (4) outer wall both sides with reference to Fig. 2.
Lining (4) can be made by high-abrasive material.
Claims (3)
1. the sealing configuration of electromagnetic pump plunger and axle sleeve, comprise axle sleeve (2) and be located at the interior plunger (1) of axle sleeve (2), between axle sleeve (2) and plunger (1), be provided with rubber seal (3), it is characterized in that, also be provided with the lining of making by high-abrasive material (4) at described plunger (1) excircle, described lining (4) and described plunger (1) sliding contact, described rubber seal (3) are around in described lining (4) excircle and closely contact with it.
2. the sealing configuration of electromagnetic pump plunger according to claim 1 and axle sleeve is characterized in that, is provided with the back-up ring (4) of outside protrusion at described lining (4) outer wall edge.
3. the sealing configuration of electromagnetic pump plunger according to claim 1 and axle sleeve is characterized in that, is equipped with the back-up ring (4) of outside protrusion at the edge, both sides of described lining (4) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201182271U CN201007264Y (en) | 2007-01-24 | 2007-01-24 | Electromagnetic pump plunger piston and sealing structure of axle sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201182271U CN201007264Y (en) | 2007-01-24 | 2007-01-24 | Electromagnetic pump plunger piston and sealing structure of axle sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201007264Y true CN201007264Y (en) | 2008-01-16 |
Family
ID=39003211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201182271U Expired - Fee Related CN201007264Y (en) | 2007-01-24 | 2007-01-24 | Electromagnetic pump plunger piston and sealing structure of axle sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201007264Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256200A (en) * | 2013-05-16 | 2013-08-21 | 常州孚华电器有限公司 | Electromagnetic pump |
-
2007
- 2007-01-24 CN CNU2007201182271U patent/CN201007264Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256200A (en) * | 2013-05-16 | 2013-08-21 | 常州孚华电器有限公司 | Electromagnetic pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080116 Termination date: 20100224 |