CN203730187U - Outlet structure of external electric gasoline pump - Google Patents
Outlet structure of external electric gasoline pump Download PDFInfo
- Publication number
- CN203730187U CN203730187U CN201420072494.XU CN201420072494U CN203730187U CN 203730187 U CN203730187 U CN 203730187U CN 201420072494 U CN201420072494 U CN 201420072494U CN 203730187 U CN203730187 U CN 203730187U
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- CN
- China
- Prior art keywords
- carbon brush
- wiring terminal
- outlet structure
- pump cover
- gasoline pump
- 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 utility model discloses an outlet structure of an external electric gasoline pump. The outlet structure of the external electric gasoline pump comprises a carbon brush support and a gasoline pump cover assembled on the carbon brush support, wherein an outer binding post connected with a power line is arranged on the gasoline pump cover, the gasoline pump cover further comprises an inner binding post, the lower end of the inner binding post abuts against an elastic part, the inner binding post always abuts against the outer binding post under the elastic effect of the elastic part, a carbon brush connecting lead wire is connected and fixed on the inner binding post, and the other end of the carbon brush connecting lead wire is connected with a carbon brush. A structure that an outer binding post is directly connected with the carbon brush connecting lead wire in the prior art is abandoned, the carbon brush connecting lead wire is prevented from being clamped in a gap during assembly or is prevented from being pressed by the gasoline pump cover when the gasoline pump cover is assembled, and accordingly the carbon brush connecting lead wire does not limit or influence installation of the gasoline pump cover and other parts. Therefore, the structure enables the installation to be convenient, automatic assembly implementation in the assembling process during large-batch production is facilitated, and the assembly efficiency is greatly improved.
Description
Technical field
The utility model relates to electric fuel pump, is a kind of outlet structure that is applicable to the electronic petrol pump of external on the electronic petrol engine fuel supply system of joint-track type specifically.
Background technique
Electric fuel pump is the vitals of common rail electric-controlling petrol engine fuel supply system, and for some automobile or motorcycles in particular cases, due to reasons such as its fuel tank moulding or structures, the traditional electric fuel pump that is installed on fuel tank internal can not be suitable for, and the electronic petrol pump of external must be adopted.And for electric fuel pump, the outlet method of power line and structure are the keys that ensures that external electronic petrol pump whether can be reliably, be used safely.The electronic petrol pump of external in conventional art, matching requirements and required precision to petrol pump are high, particularly only there is outer terminal, there is not internal wiring terminal, be that outer terminal is to be directly connected wire to connect with carbon brush, when assembling, first carbon brush being connected to wire is connected with outer terminal, then assembly lube pump cover, this just makes carbon brush connection wire have certain length requirement to adapt to assembling needs, simultaneously in the process of assembling, carbon brush connection wire may be stuck in gap or by oil pump cover to be pushed down, this is very careful in assembling with regard to requiring, avoiding carbon brush to connect wire is stuck etc., this just inevitably cannot realize quick installation, the assembly process being not easy in producing in enormous quantities realizes the enforcement of assembling with automation, affect greatly efficiency of assembling.
Model utility content
In order to overcome above-mentioned the deficiencies in the prior art, the utility model provides the outlet structure of the electronic petrol pump of a kind of external, its simple and reasonable compactness, easy for installation, efficiency of assembling is high, is convenient to assembly process in producing in enormous quantities and realizes and the enforcement of automation assembling.
The utility model solves the technological scheme that its technical problem adopts:
The outlet structure of the electronic petrol pump of a kind of external, comprise carbon brush supports and be assemblied in the oil pump cover on carbon brush supports, on oil pump cover, be provided with the outer terminal being connected with power line, also include internal wiring terminal, flexible of the lower end butt of described internal wiring terminal, internal wiring terminal under the elastic force effect of this elastic component with described outer terminal butt all the time, described internal wiring terminal is fixedly connected with carbon brush and connects wire, carbon brush connects the other end of wire and is connected with carbon brush.
As the improvement of technique scheme, on described oil pump cover, be provided with groove around described outer terminal, in described groove, be shelved with wiring terminal seal ring and outer terminal and form sealing.
As the further improvement of technique scheme, the number of described wiring terminal seal ring is two and stack mutually.
Further, be provided with the accommodating counterbore of wiring terminal on described carbon brush supports, described elastic component is inserted in the accommodating counterbore of this wiring terminal, described internal wiring terminal stretch at least partly in the accommodating counterbore of this wiring terminal and with described elastic component butt; Described elastic component is wiring terminal spring.
Further, the top of described outer terminal is provided with lug plate, and power line is electrically connected with described outer terminal by described lug plate.
Further, the top butt of described carbon brush has carbon brush stage clip.
Preferably, the top butt of described carbon brush stage clip has spring protecting cover, and described spring protecting cover is connected and fixed with carbon brush supports.
Further, between the junction surface of described oil pump cover and carbon brush supports, be placed with rubber seal.
The beneficial effects of the utility model are: the utility model that adopts said structure, by internal wiring terminal is set, internal wiring terminal under the elastic force effect of elastic component with outer terminal butt all the time, internal wiring terminal is fixedly connected with carbon brush and connects wire, abandon outer terminal in conventional art and be connected the direct-connected mode of structure of wire with carbon brush, in the time of assembling, internal wiring terminal is contained on carbon brush supports in advance, internal wiring terminal is connected wire and connects with carbon brush, therefore carbon brush can be connected to wire restriction is fixed on carbon brush supports, avoid carbon brush to connect wire at random, this is stuck in gap just can effectively be avoided carbon brush to connect wire assembling time, or pushed down by oil pump cover in the time of assembly lube pump cover, thereby connecting wire, carbon brush can not cause any restriction or impact to the installation of the parts such as oil pump cover, it is more convenient that such structure can make to install, the assembly process of being convenient in producing in enormous quantities realizes the enforcement of assembling with automation, improve greatly the efficiency of assembling, and the simple and reasonable compactness of the utility model, implementation cost is low, can be widely used on the electronic petrol pump of external.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that the utility model is hidden the structural representation dropping out after line protecting cover;
Fig. 3 is generalized section of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
With reference to Fig. 1 ~ Fig. 3, the outlet structure of the electronic petrol pump of a kind of external of the present utility model, comprise carbon brush supports 1 and be assemblied in the oil pump cover 2 on carbon brush supports 1, on oil pump cover 2, be provided with the outer terminal 4 being connected with power line 3, outer terminal 4 can insert injection moulding on oil pump cover 2, also can adopt the conventional Placement such as screw thread or riveted joint; Also include internal wiring terminal 5, flexible 6 of the lower end butt of described internal wiring terminal 5, internal wiring terminal 5 under the elastic force effect of this elastic component 6 with described outer terminal 4 butt all the time, described internal wiring terminal 5 is fixedly connected with carbon brush and connects wire 7, carbon brush connects the other end of wire 7 and is connected with carbon brush 8.
In the present embodiment, on described oil pump cover 2, be provided with groove 21 around described outer terminal 4, in described groove 21, be shelved with wiring terminal seal ring 9 and form sealing with outer terminal 4, only be injection-moulded in the Placement on oil pump cover than outer terminal in conventional art, the setting of groove 21 and attachment post seal ring 9, improve greatly the overall sealing performance of petrol pump, guaranteed that oil pump cover 2 and cavity and outside that carbon brush supports 1 forms isolate formation sealing completely; For increasing sealability, the number of described wiring terminal seal ring 9 is preferably two and stack mutually.
In the present embodiment, on described carbon brush supports 1, be provided with the accommodating counterbore 11 of wiring terminal, described elastic component 6 is inserted in the accommodating counterbore 11 of this wiring terminal, described internal wiring terminal 5 stretch at least partly in the accommodating counterbore 11 of this wiring terminal and with described elastic component 6 butts, this structure connects reliable, and the accommodating counterbore 11 of wiring terminal radially plays position-limiting action to internal wiring terminal 5, well ensured internal wiring terminal 5 and outer terminal 4 all the time butt ensure good being electrically connected, described elastic component 6 can be wiring terminal spring, can be also other elastic elements.
In the present embodiment, the top of described outer terminal 4 is provided with lug plate 10, power line 3 is electrically connected with described outer terminal 4 by described lug plate 10, the setting party of lug plate 10 assembling, thereby use lug plate 10 can directly utilize outer terminal 4 upper ends distortion riveted joints to realize and being connected with outer terminal 4; Certainly also can be without lug plate, punching on outer terminal 4, also can power line through riveting behind this hole.Top at oil pump cover 2 can arrange outlet protecting cover 17, to going out, line position carries out waterproof and dustproof and insulation shields.
In the present embodiment, the top butt of described carbon brush 8 has carbon brush stage clip 12, carbon brush stage clip 12 makes the lower surface of carbon brush 8 well be connected with oil hydraulic-pump rotor 15 upper surface electrode parts, as optimal way, the top butt of described carbon brush stage clip 12 has spring protecting cover 13, and described spring protecting cover 13 is connected and fixed with carbon brush supports 1, and spring protecting cover 13 can be assemblied in the mounting hole of carbon brush stage clip 12 in interference, prevent that carbon brush stage clip 12 upper ends from getting loose, thereby avoid carbon brush stage clip 12 to affect next step assembling.
In the present embodiment, between the junction surface of described oil pump cover 2 and carbon brush supports 1, be placed with rubber seal 14, form sealing with the cavity and oil pump casing 16 isolation that ensure to form between oil pump cover 2 and carbon brush supports 1; Certainly, also can rubber seal be set at oil pump cover 2 and the radially link position of oil pump casing 16, form the radial seal with oil pump casing 16 to oil pump cover 2.
Adopt the utility model of said structure, by internal wiring terminal 5 is set, internal wiring terminal 5 under the elastic force effect of elastic component 6 with outer terminal 4 butt all the time, internal wiring terminal 5 is fixedly connected with carbon brush and connects wire 7, abandon outer terminal in conventional art and be connected the direct-connected structure of wire with carbon brush, in the time of assembling, internal wiring terminal 5 is contained on carbon brush supports 1 in advance, internal wiring terminal 5 is connected wire 7 and connects with carbon brush, therefore carbon brush can be connected to wire 7 restrictions is fixed on carbon brush supports 1, avoid carbon brush to connect wire 7 at random, this is stuck in gap just can effectively be avoided carbon brush connection wire 7 to assemble time, or pushed down by oil pump cover 2 in the time of assembly lube pump cover 2, thereby connecting wire 7, carbon brush can not cause any restriction or impact to the installation of oil pump cover 2 parts such as grade, it is more convenient that such structure can make to install, the assembly process of being convenient in producing in enormous quantities realizes the enforcement of assembling with automation, improve greatly the efficiency of assembling, and the simple and reasonable compactness of the utility model, implementation cost is low, can be widely used on the electronic petrol pump of external.
The above, be preferred embodiments of the present utility model, but the utility model is not limited to above-described embodiment, as long as it reaches technique effect of the present utility model with any same or similar means, within all should falling into protection domain of the present utility model.
Claims (9)
1. the outlet structure of the electronic petrol pump of external, comprise carbon brush supports (1) and be assemblied in the oil pump cover (2) on carbon brush supports (1), on oil pump cover (2), be provided with the outer terminal (4) being connected with power line (3), it is characterized in that: also include internal wiring terminal (5), flexible of the lower end butt (6) of described internal wiring terminal (5), internal wiring terminal (5) under the elastic force effect of this elastic component (6) with described outer terminal (4) butt all the time, described internal wiring terminal (5) is fixedly connected with carbon brush and connects wire (7), the other end that carbon brush connects wire (7) is connected with carbon brush (8).
2. the outlet structure of the electronic petrol pump of a kind of external according to claim 1, it is characterized in that: described oil pump cover (2) is upper is provided with groove (21) around described outer terminal (4), in described groove (21), be shelved with wiring terminal seal ring (9) and form sealing with outer terminal (4).
3. the outlet structure of the electronic petrol pump of a kind of external according to claim 2, is characterized in that: the number of described wiring terminal seal ring (9) is two and stack mutually.
4. according to the outlet structure of the electronic petrol pump of a kind of external described in claim 1 or 2 or 3, it is characterized in that: on described carbon brush supports (1), be provided with the accommodating counterbore of wiring terminal (11), described elastic component (6) is inserted in the accommodating counterbore of this wiring terminal (11), described internal wiring terminal (5) stretch at least partly in the accommodating counterbore of this wiring terminal (11) and with described elastic component (6) butt.
5. the outlet structure of the electronic petrol pump of a kind of external according to claim 4, is characterized in that: described elastic component (6) is wiring terminal spring.
6. the outlet structure of the electronic petrol pump of a kind of external according to claim 1, it is characterized in that: the top of described outer terminal (4) is provided with lug plate (10), power line (3) is electrically connected with described outer terminal (4) by described lug plate (10).
7. the outlet structure of the electronic petrol pump of a kind of external according to claim 1, is characterized in that: the top butt of described carbon brush (8) has carbon brush stage clip (12).
8. the outlet structure of the electronic petrol pump of a kind of external according to claim 7, is characterized in that: the top butt of described carbon brush stage clip (12) has spring protecting cover (13), and the same carbon brush supports of described spring protecting cover (13) (1) is connected and fixed.
9. the outlet structure of the electronic petrol pump of a kind of external according to claim 1, is characterized in that: between the junction surface of described oil pump cover (2) and carbon brush supports (1), be placed with rubber seal (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420072494.XU CN203730187U (en) | 2014-02-19 | 2014-02-19 | Outlet structure of external electric gasoline pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420072494.XU CN203730187U (en) | 2014-02-19 | 2014-02-19 | Outlet structure of external electric gasoline pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730187U true CN203730187U (en) | 2014-07-23 |
Family
ID=51200266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420072494.XU Expired - Fee Related CN203730187U (en) | 2014-02-19 | 2014-02-19 | Outlet structure of external electric gasoline pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203730187U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821644A (en) * | 2014-02-19 | 2014-05-28 | 江门市威宇系统技术有限公司 | Wire outlet structure of external electric petrol pump |
-
2014
- 2014-02-19 CN CN201420072494.XU patent/CN203730187U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821644A (en) * | 2014-02-19 | 2014-05-28 | 江门市威宇系统技术有限公司 | Wire outlet structure of external electric petrol pump |
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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: 20140723 Termination date: 20180219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |