阅读说明：本技术 一种结构简单的滑摆式叶片泵 (Simple structure's smooth pendulum formula impeller pump ) 是由 曾欢翔 许仲秋 刘光明 佘笑梅 于 2020-06-24 设计创作，主要内容包括：本发明提供了一种结构简单的滑摆式叶片泵,包括泵体、泵盖、变量滑块,所述泵体上设有转子腔、进油腔、出油腔,所述变量滑块一侧的外周面与转子腔的侧壁之间形成反馈腔；所述泵体上的转子腔分别与进油腔和出油腔直接相连,所述变量滑块的局部位于出油腔内,所述变量滑块的外周面设有三个密封件安装槽,其中两个密封件安装槽的位置对应于出油腔与转子腔的两侧腔壁连接处,另一个密封件安装槽位于变量滑块的弹簧压块上,三个密封件安装槽内各安装有一根矩形密封条。由于转子腔和出油腔直接连为一体,并通过矩形密封条将出油腔与进油腔、出油腔与反馈腔分别进行隔断,这样就不需要在泵体上加工出用于连通两者的油道了,而且出油更为顺畅。(The invention provides a sliding pendulum type vane pump with a simple structure, which comprises a pump body, a pump cover and a variable slider, wherein a rotor cavity, an oil inlet cavity and an oil outlet cavity are arranged on the pump body, and a feedback cavity is formed between the outer peripheral surface of one side of the variable slider and the side wall of the rotor cavity; the rotor chamber on the pump body directly links to each other with oil inlet chamber and oil outlet chamber respectively, the part of variable slider is located the oil outlet intracavity, the outer peripheral face of variable slider is equipped with three sealing member mounting groove, and wherein the position of two sealing member mounting grooves corresponds to the both sides chamber wall junction in oil outlet chamber and rotor chamber, and another sealing member mounting groove is located the spring briquetting of variable slider, respectively installs a rectangle sealing strip in the three sealing member mounting groove. Because the rotor cavity and the oil outlet cavity are directly connected into a whole, and the oil outlet cavity and the oil inlet cavity, the oil outlet cavity and the feedback cavity are respectively separated through the rectangular sealing strips, an oil passage for communicating the rotor cavity and the oil outlet cavity is not required to be processed on the pump body, and oil outlet is smoother.)

1. The utility model provides a simple structure's smooth pendulum formula impeller pump, includes the pump body (1), pump cover (2), variable slider (3), variable spring (4), rotatory round pin (5), rotor (6), blade (7), be equipped with rotor chamber, oil feed chamber (8), oil outlet chamber (9) on the pump body (1), install in the rotor chamber and can swing around rotatory round pin (5) variable slider (3), form feedback chamber (10) between the outer peripheral face of variable slider (3) one side and the lateral wall in rotor chamber, rotor (6) and blade (7) are located the annular cavity of variable slider (3), its characterized in that: the rotor chamber on the pump body (1) directly links to each other with oil feed chamber (8) and oil outlet chamber (9) respectively, the part of variable slider (3) is located oil outlet chamber (9), the outer peripheral face of variable slider (3) is equipped with three sealing member mounting groove, and wherein the position of two sealing member mounting grooves is corresponding to the both sides chamber wall junction in oil outlet chamber (9) and rotor chamber, and another sealing member mounting groove is located the spring briquetting of variable slider (3), respectively installs a rectangle sealing strip (11) in the three sealing member mounting groove.

2. The simple-structure sliding pendulum vane pump according to claim 1, characterized in that: the rotating pin (5) is located in the oil outlet cavity (9), and positioning grooves for fixing the rotating pin (5) are formed in the inner side faces, corresponding to the pump body (1) and the pump cover (2), of the pump body.

3. The simple-structured sliding-pendulum vane pump according to claim 1 or 2, characterized in that: the end face of the variable slider (3) is provided with three oil guide grooves (12) which are respectively communicated with the three sealing piece mounting grooves.

Technical Field

The invention relates to a lubricating system of an internal combustion engine, in particular to a vane type oil pump.

Background

Disclosure of Invention

The invention aims to solve the technical problem of providing a sliding pendulum type vane pump with a simple structure, which is easy to process and can discharge oil more smoothly.

In order to solve the technical problems, the technical scheme of the invention is as follows: a simple-structure sliding pendulum type vane pump comprises a pump body, a pump cover, a variable slider, a variable spring, a rotary pin, a rotor and vanes; the variable sliding block is arranged in the rotor cavity and can swing around a rotating pin, a feedback cavity is formed between the outer peripheral surface of one side of the variable sliding block and the side wall of the rotor cavity, and the rotor and the blades are positioned in an annular cavity of the variable sliding block; the rotor chamber on the pump body directly links to each other with oil inlet chamber and oil outlet chamber respectively, the part of variable slider is located the oil outlet intracavity, the outer peripheral face of variable slider is equipped with three sealing member mounting groove, and wherein the position of two sealing member mounting grooves corresponds to the both sides chamber wall junction in oil outlet chamber and rotor chamber, and another sealing member mounting groove is located the spring briquetting of variable slider, respectively installs a rectangle sealing strip in the three sealing member mounting groove.

Among the above-mentioned technical scheme, because rotor chamber and the chamber of producing oil are direct even as an organic whole, simultaneously through set up the rectangle sealing strip in the variable slider outer peripheral face corresponds the both sides chamber wall junction of the chamber of producing oil with the rotor chamber, can cut off respectively the chamber of producing oil with oil inlet chamber, the chamber of producing oil and feedback chamber, just so need not process out on the pump body and be used for communicateing oil duct between them, not only easily processing, it is more smooth and easy to produce oil moreover.

In one embodiment, the rotating pin is located in the oil outlet cavity, and positioning grooves for fixing the rotating pin are formed in the inner side faces, corresponding to the pump body and the pump cover, of the pump body.

Furthermore, the end face of the variable slider is provided with three oil guide grooves which are respectively communicated with the three sealing piece mounting grooves. Can receive certain wearing and tearing after the long-term work often of rectangular sealing strip, draw the oil groove then can introduce the oil pressure of going out the oil pocket or feeding back the intracavity to the sealing member mounting groove in, under the promotion of oil pressure, the inside wall of the pump body can be hugged closely to rectangular sealing strip to keep its sealed effect for a long time.

Drawings

FIG. 1 is a schematic diagram of a vane pump of the prior art;

FIG. 2 is a schematic cross-sectional view of a vane pump of the prior art;

FIG. 3 is a schematic view of a vane pump according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a vane pump in an embodiment of the present invention;

the reference signs are:

1-pump body 2-pump cover 3-variable slide block

4-variable spring 5-rotating pin 6-rotor

7-blade 8-oil inlet cavity 9-oil outlet cavity

10-feedback chamber 11-rectangular sealing strip 12-oil guide groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

As shown in fig. 3 and 4, the preferred embodiment of the present invention is: a simple-structure sliding pendulum type vane pump comprises a pump body 1, a pump cover 2, a variable slider 3, a variable spring 4, a rotating pin 5, a rotor 6 and vanes 7; the pump body 1 is provided with a rotor cavity, an oil inlet cavity 8 and an oil outlet cavity 9, the variable sliding block 3 is arranged in the rotor cavity and can swing around the rotating pin 5, a feedback cavity 10 is formed between the outer peripheral surface of one side of the variable sliding block 3 and the side wall of the rotor cavity, and the rotor 6 and the blades 7 are positioned in an annular cavity of the variable sliding block 3; a rotor cavity on the pump body 1 is directly connected with an oil inlet cavity 8 and an oil outlet cavity 9 respectively, part of the variable sliding block 3 is positioned in the oil outlet cavity 9, three sealing element mounting grooves are arranged on the outer peripheral surface of the variable sliding block 3, two of the sealing element mounting grooves are positioned at the positions corresponding to the connecting parts of the oil outlet cavity 9 and the two side cavity walls of the rotor cavity, the other sealing element mounting groove is positioned on a spring pressing block of the variable sliding block 3, and a rectangular sealing strip 11 is mounted in each of the three sealing element mounting grooves; three oil guide grooves 12 are formed in the end face of the variable sliding block 3 and are respectively communicated with the three sealing piece mounting grooves; the rotating pin 5 is positioned in the oil outlet cavity 9, and the corresponding inner side surfaces of the pump body 1 and the pump cover 2 are provided with positioning grooves for fixing the rotating pin 5.

Among the above-mentioned technical scheme, because rotor chamber and the chamber 9 that produces oil are directly even as an organic whole, set up rectangle sealing strip 11 through the both sides chamber wall junction that corresponds the chamber and rotor chamber at 3 outer peripheral faces of variable slider simultaneously, can cut off respectively the chamber 9 that produces oil and advance oil chamber 8, the chamber 9 that produces oil and feedback chamber 10, just so need not process out the oil duct that is used for communicateing between them on the pump body 1, not only easily processing, it is more smooth and easy to produce oil moreover.

The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit and scope of the present invention.

Some of the drawings and descriptions of the present invention have been simplified to facilitate the understanding of the improvements over the prior art by those skilled in the art, and some other elements have been omitted from this document for the sake of clarity, and it should be appreciated by those skilled in the art that such omitted elements may also constitute the subject matter of the present invention.