CN216636146U

CN216636146U - Oil inlet and range extender provided with same

Info

Publication number: CN216636146U
Application number: CN202123436872.7U
Authority: CN
Inventors: 陈永楼; 王志成; 顾跃
Original assignee: Jiangsu Youhe Power Machinery Co ltd
Current assignee: Jiangsu Youhe Power Machinery Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-31
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to an oil inlet and a range extender configured with the same, wherein the oil inlet comprises a support and a branch pipe, a first inner diameter channel and a second inner diameter channel which are mutually communicated are arranged in the branch pipe, the end part of the second inner diameter channel is communicated with an inner pipeline of the support, a sealing assembly is arranged between the branch pipe and the support, the sealing assembly comprises a plurality of sealing rings which are sleeved outside the branch pipe, the support is clamped with the sealing rings, a clamping block is arranged on the outer side of the branch pipe, and a clamping groove matched with the clamping block is arranged in the support. The oil inlet structure provided by the utility model can realize the balance of the pressure of front-stroke oil collection supply and rear-stroke oil supply, promotes the lubrication of vehicles, and has good sealing performance and high strength by utilizing the sealing fit of the support and the branch pipe.

Description

Oil inlet and range extender provided with same

Technical Field

The utility model relates to the technical field of oil inlets, in particular to an oil inlet and a range extender with the same.

Background

The range extender can use other energy sources (such as gasoline) to supply electric energy under the condition that the electric quantity of the battery of the electric automobile is insufficient, so that the endurance mileage is promoted. Because the oil supply capacity of an oil pump is weak when the engine of the electric vehicle rotates at a low speed, the oil supply quantity at the traditional oil inlet is difficult to adapt to the required quantity of the vehicle, the lubrication of the electric vehicle is influenced due to insufficient oil supply quantity, the pressure in a vehicle lubrication system is too low, the long-term lubricating oil pressure is too low, the power load can be increased, the service life of the vehicle is shortened, and in the prior art, the oil inlet is provided with an O-shaped sealing ring which is independently arranged, so that the sealing performance is poor, and the strength is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides an oil inlet and a range extender with the oil inlet, wherein the oil inlet can realize the pressure balance of front-range oil collection supply and rear-range oil supply and promote the lubrication of a vehicle, and a support is matched with a branch pipe in a sealing way, so that the oil inlet has good sealing performance and high strength.

The utility model provides the following technical scheme:

an oil inlet comprises a support and a branch pipe, wherein a first inner diameter channel and a second inner diameter channel which are mutually communicated are arranged in the branch pipe, the first inner diameter channel is in a structure that the section caliber is gradually reduced in the oil inlet direction, the end part of the second inner diameter channel is communicated with an inner pipeline of the support, a sealing assembly is arranged between the branch pipe and the support, the sealing assembly comprises a plurality of sealing rings which are sleeved outside the branch pipe, the support is connected with the sealing rings in a clamping mode, a clamping block is arranged on the outer side of the branch pipe, and a clamping groove matched with the clamping block is formed in the support.

Preferably, the seal assembly further comprises a seal sleeve, the seal sleeve is provided with a connecting protrusion, a limiting flange is arranged on the outer side of the support, an accommodating groove is formed in the limiting flange, and the connecting protrusion is arranged in the accommodating groove.

Preferably, the sealing sleeve is made of elastic rubber.

Preferably, the first inner diameter passage is flared.

Preferably, the inner diameter of the second inner diameter channel is the same as the inner diameter of the inner pipeline of the support.

Preferably, a reinforcing plate is arranged at the joint between the first inner diameter channel and the second inner diameter channel, and the reinforcing plate is arranged in the branch pipe in a bonding and embedding manner.

Preferably, the reinforcing plate is a carbon fiber plate.

Preferably, the sealing ring is lip-shaped, and the sealing ring is made of polytetrafluoroethylene.

A range extender is provided with the oil inlet.

The utility model has the beneficial effects that:

the hollow oil inlet channel is formed by the inner pipeline of the support, the first inner diameter channel of the branch pipe and the second inner diameter channel, the first inner diameter channel is in a shape with the section caliber decreasing progressively, oil is supplied in the front process, the inner diameter of the second inner diameter channel is the same as that of the inner pipeline of the support so as to be smoothly transited, the balance of oil supply pressure in the rear process is promoted, and the reinforcing plate is arranged at the joint of the first inner diameter channel and the second inner diameter channel, so that the capacity of the sudden change position of the section for coping with concentrated pressure is enhanced, and the strength of the oil inlet is effectively improved; the sealing rings are sleeved outside the branch pipes, the support is clamped with the sealing rings in a clamping mode, and the sealing rings are sealed in a lip shape, so that the sealing performance of the oil inlet is enhanced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the structure of the branch pipe of the present invention.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1 and fig. 2, in a first aspect, the present invention provides an oil inlet, which includes a support 1 and a branch pipe 2, the branch pipe 2 is internally provided with a first inner diameter channel 21 and a second inner diameter channel 22 which are communicated with each other, the first inner diameter channel 21 is configured to have a decreasing cross-sectional caliber in an oil inlet direction, an end portion of the second inner diameter channel 22 is communicated with an inner pipeline of the support 1 to form a hollow oil inlet channel in which the support 1 is communicated with the branch pipe 2, the first inner diameter channel 21 is configured to have a decreasing cross-sectional caliber, and oil is supplied in a forward stroke; a sealing assembly 4 is arranged between a branch pipe 2 and a support 1, the sealing assembly 4 comprises a plurality of sealing rings sleeved outside the branch pipe 2, the support 1 is connected with the sealing rings in a clamping mode, a clamping block 3 is arranged on the outer side of the branch pipe 2, and a clamping groove 11 matched with the clamping block 3 is formed in the support 1.

In this embodiment, the sealing washer is lip type sealed, and lip type is sealed can increase the area of contact of the environment that the sealing washer is located, strengthens sealing performance, and the sealing washer can set up two, and first sealing washer 41 and second sealing washer 42, its cover establish the position and can set up respectively in the both sides of fixture block 3, form double-deck sealed.

Optionally, the sealing ring is made of polytetrafluoroethylene, is heat-resistant, oil-resistant and good in stability, and is suitable for working conditions in an oil tank of an automobile range extender.

In this embodiment, the first inner diameter passage 21 is in the form of a bell mouth, and the input port thereof is immersed in the fuel tank of the automobile vehicle, and the bell mouth is used for concentrated fuel supply during fuel supply of the automobile.

In this embodiment, the inner diameter of the second inner diameter passage 22 is the same as the inner diameter of the inner pipe of the seat 1 to smoothly and excessively supply oil between the seat 1 and the branch pipe 2, thereby promoting the pressure balance of the backward oil supply.

In this embodiment, the seal assembly 4 further includes a seal sleeve 43, the seal sleeve 43 is provided with a connecting protrusion, the outer side of the support 1 is provided with a limiting flange 12, the limiting flange 12 is provided with an accommodating groove, the connecting protrusion is disposed in the accommodating groove, optionally, the seal sleeve 43 is made of elastic rubber, the accommodating groove is matched with the connecting protrusion, so that the seal sleeve 43 is connected to the outer side of the support 1, and the seal sleeve 43 is used for forming peripheral protection for the support 1 and the branch pipe 2.

In this embodiment, a reinforcing plate 23 is disposed at a connection portion between the first inner diameter passage 21 and the second inner diameter passage 22, the reinforcing plate 23 is disposed in the branch pipe 2 in an adhesive and embedded manner, and optionally, the reinforcing plate 23 may be a carbon fiber plate, so as to overcome concentrated pressure at a section abrupt change portion by using superior strength and elasticity of the carbon fiber plate, and provide strength of the branch pipe 2.

In a second aspect, the present invention provides a range extender, which is configured with the oil inlet in the above embodiments, and the oil inlet channel of the oil inlet needs to be connected with an oil pump in the range extender.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes and modifications can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. An oil inlet is characterized by comprising a support and a branch pipe, wherein a first inner diameter channel and a second inner diameter channel which are mutually communicated are arranged in the branch pipe, the first inner diameter channel is in a structure that the section caliber is gradually reduced in the oil inlet direction, the end part of the second inner diameter channel is communicated with an inner pipeline of the support, a sealing assembly is arranged between the branch pipe and the support, the sealing assembly comprises a plurality of sealing rings which are sleeved outside the branch pipe, the support is clamped with the sealing rings, a clamping block is arranged on the outer side of the branch pipe, and a clamping groove matched with the clamping block is arranged in the support.

2. The oil inlet of claim 1, characterized in that: the sealing assembly further comprises a sealing sleeve, the sealing sleeve is provided with a connecting protrusion, a limiting flange is arranged on the outer side of the support, an accommodating groove is formed in the limiting flange, and the connecting protrusion is arranged in the accommodating groove.

3. The oil inlet of claim 2, characterized in that: the seal cover is made of elastic rubber.

4. The oil inlet of claim 1, characterized in that: the first inner diameter passage is flared.

5. The oil inlet of claim 1, characterized in that: the inner diameter of the second inner diameter channel is the same as the inner diameter of the inner pipeline of the support.

6. The oil inlet of claim 1, characterized in that: and a reinforcing plate is arranged at the joint between the first inner diameter channel and the second inner diameter channel, and is arranged in the branch pipe in a bonding and embedding manner.

7. The oil inlet of claim 6, characterized in that: the reinforcing plate is a carbon fiber plate.

8. The oil inlet of claim 1, characterized in that: the sealing ring is lip-shaped and is made of polytetrafluoroethylene.

9. A range extender, characterized in that an oil inlet according to any of claims 1-8 is provided.