CN205779875U - A kind of mechanical seal structure of fuel pump - Google Patents
A kind of mechanical seal structure of fuel pump Download PDFInfo
- Publication number
- CN205779875U CN205779875U CN201620535778.7U CN201620535778U CN205779875U CN 205779875 U CN205779875 U CN 205779875U CN 201620535778 U CN201620535778 U CN 201620535778U CN 205779875 U CN205779875 U CN 205779875U
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- China
- Prior art keywords
- ring
- fuel pump
- sheath
- main shaft
- periphery
- 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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Abstract
The purpose of this utility model is to provide a kind of Stability Analysis of Structures, service life length the mechanical seal structure of fuel pump.A kind of mechanical seal structure of fuel pump, including the tensioner Seal Kit on a main shaft being set in fuel pump, the elastic rubber ring being set on fuel pump main shaft of one inlay card, tensioner Seal Kit is threaded in the main shaft periphery of described fuel pump, the periphery of tensioner Seal Kit is arranged with flexible sheath, the periphery of described flexible sheath forms a circle and supports positioning ring groove, what described support positioning ring groove periphery compressed is arranged with outer support ring, it is provided with sheath pressure ring between head and the fuel pump main shaft of tensioner Seal Kit, the front end of sheath pressure ring compresses and is provided with a sheath tabletting, described sheath tabletting is set on fuel pump main shaft, described elastic rubber ring includes that connects a ring, one locating ring.
Description
Technical field
This utility model relates to the mechanical seal structure of a kind of fuel pump.
Background technology
Would generally be provided with fuel pump in the fuel tank of motorcycle, fuel pump after powered up can be continuous
Draw fuel oil, and fuel oil is sent into oil feeder, at the combustor being delivered to engine through fuel feed pump
Inside burn.In the sealing structure of existing fuel pump, generally all can arrange sealing gasket works as fuel oil
When pump vibrates with car load, sealing gasket is the most constantly in change by the pressure distortion amount of axial flange
In the middle of, causing sealing callosity and accelerate aging, sealing property also decreases.
Summary of the invention
The purpose of this utility model is to provide a kind of Stability Analysis of Structures, service life length fuel pump
Mechanical seal structure.
The mechanical seal structure of a kind of fuel pump, including on a main shaft being set in fuel pump
Tensioner Seal Kit, the elastic rubber ring being set on fuel pump main shaft of an inlay card, tensioner
Seal Kit is threaded in the main shaft periphery of described fuel pump, the periphery set of tensioner Seal Kit
It is provided with flexible sheath, the periphery formation one circle support positioning ring groove of described flexible sheath, described
What support positioning ring groove periphery compressed is arranged with outer support ring, the head of tensioner Seal Kit and fuel oil
Being provided with sheath pressure ring between pump main shaft, the front end of sheath pressure ring compresses and is provided with a sheath pressure
Sheet, described sheath tabletting is set on fuel pump main shaft, and described elastic rubber ring includes a company
T-Ring, a locating ring, form a circle between tail end and the fuel pump main shaft of tensioner Seal Kit
Being tightly connected groove, the connection ring of described elastic rubber ring is friction tight with tensioner Seal Kit to be interted
Being tightly connected in groove described, the locating ring periphery of elastic rubber ring is arranged with rubber ring location
Part, the most spaced between rubber ring keeper and described tensioner Seal Kit, rubber ring is fixed
Clamp between position part and tensioner Seal Kit is provided with sealing dividing plate, and described sealing diaphragm housing ring exists
Outside the connection ring of elastic rubber ring.
Described elastic rubber ring has a medial surface, and the medial surface of elastic rubber ring is in corresponding institute
That states that the position of locating ring arranges that multi-turn is axially spacedly distributed is tightly connected annular groove.
Being provided with outer protector outside described flexible sheath, outer protector periphery inside contracts shape at tail end
Become a clamping part, described clamping part periphery inlay card be arranged with buckle cuff.
It is additionally provided with packing washer, packing washer between described sheath pressure ring and tensioner Seal Kit
Sealing shroud is located on described fuel pump main shaft, and sheath tabletting front end is additionally provided with described sheath pressure
Sheet is pressed on the coupling nut of described sheath pressure ring one end, coupling nut and described fuel oil vertically
Pump spindle thread connects, and fuel pump main shaft periphery is in the position of corresponding described coupling nut front end
It is provided with front protective trough, sheathed in described front protective trough O-shaped rubber ring is installed.
The beneficial effects of the utility model are: the machinery of the novel described fuel pump of this use is close
Seal structure is mainly set on a fuel pump main shaft, arranges sealing bulge loop and is provided with sealing
Connect the elastic rubber ring of annular groove, and coordinate described tensioner Seal Kit and flexible sheath, effectively
Reduce because of the vibration axial impact force to all parts, structure design is simple, effectively improves
Seal the stability that structure is overall, improve the service life of fuel pump, good sealing effect.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the mechanical seal structure of fuel pump described in the utility model
Figure.
Detailed description of the invention
The mechanical seal knot of a kind of fuel pump described in the utility model it is shown refering to accompanying drawing 1
Structure, including 1, the inlay card of tensioner Seal Kit on a main shaft being set in fuel pump
The elastic rubber ring 2 being set on fuel pump main shaft, tensioner Seal Kit 1 is threaded in institute
Stating the main shaft periphery of fuel pump, the periphery of tensioner Seal Kit 1 is arranged with flexible sheath 3, institute
The periphery stating flexible sheath 3 forms a circle support positioning ring groove 4, described support positioning ring groove 4
What periphery compressed is arranged with outer support ring 5, the head of tensioner Seal Kit 1 and fuel pump main shaft
Between be provided with sheath pressure ring 6, the front end of sheath pressure ring 6 compresses and is provided with a sheath tabletting
7, described sheath tabletting 7 is set on fuel pump main shaft, and described elastic rubber ring 2 includes one
21, locating ring 22 of individual connection ring, the tail end of tensioner Seal Kit 1 and fuel pump main shaft
Between formed one circle be tightly connected groove 8, the connection ring 21 of described elastic rubber ring 2 and tensioner
Seal Kit 1 is friction tight be interspersed in described in be tightly connected in groove 8, determining of elastic rubber ring 2
Ring 22 periphery, position is arranged with rubber ring keeper 9, and rubber ring keeper 9 is close with described tensioner
Between jacket member 1 the most spaced, between rubber ring keeper 9 and tensioner Seal Kit 1
Being provided with of clamping seals dividing plate 10, and described sealing dividing plate 10 is enclosed within the company of elastic rubber ring 2
T-Ring 21 is outside.
Described elastic rubber ring 2 has a medial surface, and the medial surface of elastic rubber ring 2 is right
Should the position of described locating ring 22 being tightly connected of arranging that multi-turn is axially spacedly distributed
Annular groove 8.
Being provided with outer protector 11 outside described flexible sheath 3, outer protector 11 periphery is at tail end
Place inside contract formation one clamping part, described clamping part periphery inlay card be arranged with buckle cuff 12.
It is additionally provided with packing washer 13 between described sheath pressure ring 6 and tensioner Seal Kit 1,
Packing washer 13 sealing shroud is located on described fuel pump main shaft, and sheath tabletting 7 front end also sets up
There is the coupling nut that described sheath tabletting 7 is pressed on vertically described sheath pressure ring 6 one end,
Coupling nut is connected with described fuel pump spindle thread, and fuel pump main shaft periphery is in corresponding described company
The position connecing nut front end is provided with front protective trough 14, sheathed peace in described front protective trough 14
Equipped with O-shaped rubber ring.
From above to description of the present utility model: the machine of the novel described fuel pump of this use
Tool seals structure and is mainly set on a fuel pump main shaft, arranges sealing bulge loop and is provided with
It is tightly connected the elastic rubber ring 2 of annular groove 8, and coordinates described tensioner Seal Kit 1 with elastic
Sheath 3, effective reduction is because vibrating the axial impact force to all parts, and structure design is simple,
Effectively raise and seal the stability that structure is overall, improve the service life of fuel pump, close
Seal effective.
Claims (4)
1. the mechanical seal structure of a fuel pump, it is characterised in that: include that is set in a fuel oil
Tensioner Seal Kit on the main shaft of pump, the elasticity being set on fuel pump main shaft of an inlay card
Rubber ring, tensioner Seal Kit is threaded in the main shaft periphery of described fuel pump, and tensioner seals
The periphery of external member is arranged with flexible sheath, and the periphery of described flexible sheath forms a circle and supports location
Annular groove, what described support positioning ring groove periphery compressed is arranged with outer support ring, tensioner Seal Kit
Head and fuel pump main shaft between be provided with sheath pressure ring, the front end of sheath pressure ring compresses and arranges
A sheath tabletting, described sheath tabletting is had to be set on fuel pump main shaft, described gum elastic
Ring includes that one connects ring, a locating ring, the tail end of tensioner Seal Kit and fuel pump main shaft
Between form a circle and be tightly connected groove, the connection ring of described elastic rubber ring and tensioner Seal Kit
Friction tight be interspersed in described in be tightly connected in groove, the locating ring periphery of elastic rubber ring is arranged with
Rubber ring keeper, between rubber ring keeper and described tensioner Seal Kit the most each other
Every, between rubber ring keeper and tensioner Seal Kit clamping be provided with sealing dividing plate, described
Seal diaphragm housing ring outside the connection ring of elastic rubber ring.
The mechanical seal structure of fuel pump the most according to claim 1, it is characterised in that: institute
Stating elastic rubber ring and have a medial surface, the medial surface of elastic rubber ring is in corresponding described location
What the position of ring arranged that multi-turn is axially spacedly distributed is tightly connected annular groove.
The mechanical seal structure of fuel pump the most according to claim 2, it is characterised in that: institute
Stating and be provided with outer protector outside flexible sheath, outer protector periphery inside contracts formation one at tail end
Clamping part, described clamping part periphery inlay card be arranged with buckle cuff.
4. according to the mechanical seal structure of the fuel pump described in Claims 2 or 3, it is characterised in that:
Being additionally provided with packing washer between described sheath pressure ring and tensioner Seal Kit, packing washer seals
Being set on described fuel pump main shaft, sheath tabletting front end is additionally provided with described sheath tabletting edge
Axial compression is the coupling nut of described sheath pressure ring one end, coupling nut and described fuel pump master
Male thread connects, and fuel pump main shaft periphery is arranged in the position of corresponding described coupling nut front end
There is a front protective trough, sheathed in described front protective trough O-shaped rubber ring is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620535778.7U CN205779875U (en) | 2016-05-31 | 2016-05-31 | A kind of mechanical seal structure of fuel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620535778.7U CN205779875U (en) | 2016-05-31 | 2016-05-31 | A kind of mechanical seal structure of fuel pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205779875U true CN205779875U (en) | 2016-12-07 |
Family
ID=58134358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620535778.7U Expired - Fee Related CN205779875U (en) | 2016-05-31 | 2016-05-31 | A kind of mechanical seal structure of fuel pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205779875U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608190A (en) * | 2019-09-27 | 2019-12-24 | 中国舰船研究设计中心 | Sealing system for small-volume large-flow low-sulfur fuel pump for ships |
-
2016
- 2016-05-31 CN CN201620535778.7U patent/CN205779875U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608190A (en) * | 2019-09-27 | 2019-12-24 | 中国舰船研究设计中心 | Sealing system for small-volume large-flow low-sulfur fuel pump for ships |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20180531 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |