Steering oil pump with novel multipurpose structure

Abstract

The utility model discloses a novel steering oil pump with a multipurpose structure, which comprises a pump body and an oil outlet joint, a pump cavity is arranged in the pump body, the pump body is also provided with a valve hole penetrating through the pump body, the sizes of two opening ends of the valve hole are consistent, and the inner wall of the valve hole is communicated with the pump cavity; wherein the oil outlet connector can be detachably communicated with any one opening end of the valve hole, and when the oil outlet connector is communicated with one opening end of the valve hole, the other opening end of the valve hole is detachably plugged through a plug cover. The two ends of the valve hole are arranged in a through mode, the oil outlet connector is detachably communicated with any opening end of the valve hole so as to meet the requirement for the orientation of the oil outlet, applicability is improved, and meanwhile production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of steering oil pump especially relates to a novel multipurpose structure's steering oil pump. BACKGROUND

[0002] In the process of installing power steering oil pump, the orientation of the oil outlet needs to strictly meet the specific requirements of the vehicle structure. To meet this demand, manufacturers need to customize steering oil pumps with specific orientations, which leads to a significant increase in production costs. In the traditional production method, each orientation of the oil pump needs to be designed with a separate mold and production line, increasing equipment investment. SUMMARY

[0003] In view of the above problems of the existing steering oil pump, the present application aims to provide a novel multipurpose structure's steering oil pump with simple structure and low production cost.

[0004] The specific technical solutions are as follows:

[0005] A novel multipurpose structure's steering oil pump, comprising a pump body and an oil outlet joint, the pump body has a pump cavity inside, and the pump body also has a valve hole that penetrates the pump body, the two opening ends of the valve hole are consistent in size, and the inner wall of the valve hole is in communication with the pump cavity.

[0006] Wherein, the oil outlet joint can be detachably communicated with any one opening end of the valve hole, when the oil outlet joint is communicated with one opening end of the valve hole, the other opening end of the valve hole is detachably plugged by a plug.

[0007] As a further improvement and optimization of the scheme, the two opening ends of the valve hole have threaded holes, and the oil outlet joint and the plug are respectively threaded into the two threaded holes.

[0008] As a further improvement and optimization of the scheme, a sealing ring is provided between the oil outlet joint / plug and the inner wall of the valve hole.

[0009] As a further improvement and optimization of the scheme, the oil outlet joint has a throttle hole and an oil outlet hole that are in communication with each other, and the throttle hole is in communication with the valve hole.

[0010] As a further improvement and optimization of the scheme, the steering oil pump further comprises a spool valve, which is arranged in the valve hole and forms a sealed sliding fit with the inner wall of the valve hole, the inner wall of the valve hole between the spool valve and the throttle hole has an oil outlet passage in communication with the pump cavity, the inner wall of the valve hole between the oil outlet passage and the plug has an overflow passage in communication with the pump cavity, and the spool valve and the overflow passage are in plugging fit.

[0011] As further improvement and optimization of the present scheme, a spring is arranged between the plug cover and the spool in the valve hole.

[0012] As further improvement and optimization of the present scheme, an oil channel is arranged in the pump body and communicates with the valve holes at both ends of the spool.

[0013] As further improvement and optimization of the present scheme, a first communication hole is formed in the outer wall of the oil outlet connector and communicates with one end of the oil channel and the throttle hole.

[0014] As further improvement and optimization of the present scheme, a second communication hole is formed in the outer wall of the plug cover and communicates with the other end of the oil channel and the valve hole.

[0015] As further improvement and optimization of the present scheme, the inner side of the plug cover is provided with a positioning groove, and one end of the spring is positioned and installed in the positioning groove.

[0016] The above technical scheme has the following advantages compared with the prior art:

[0017] (1) The valve hole is arranged through at both ends, and the oil outlet connector is detachably connected to any opening end of the valve hole to meet the requirement of the orientation of the oil outlet, thereby improving the applicability and reducing the production cost.

[0018] (2) In the production of the steering oil pump, the oil outlet channel is formed by machining the position near the oil outlet end of the valve hole in the steering oil pump (i.e. the pump body blank) according to the orientation of the required oil outlet, thereby reducing the production equipment investment cost. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 FIG. 1 is a structural schematic view of the present utility model of a novel multi-purpose structure steering oil pump;

[0020] Fig. 2 FIG. 2 is a low-speed state schematic view of the present utility model of a novel multi-purpose structure steering oil pump;

[0021] Fig. 3 FIG. 3 is a high-speed state schematic view of the present utility model of a novel multi-purpose structure steering oil pump;

[0022] In the drawings: 1, pump body; 2, oil outlet connector; 3, plug cover; 4, spool; 5, spring; 6, sealing ring; 11, valve hole; 12, oil outlet channel; 13, overflow channel; 14, oil channel; 111, threaded hole; 21, throttle hole; 22, oil outlet hole. DETAILED DESCRIPTION

[0023] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0024] In the description of the present application, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like appear, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the indicated device or element to have a specific orientation, to be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, if the terms "first", "second", "third" appear, they are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, if the terms "mounting", "connecting", "connection" appear, they should be understood in a broad sense, for example, they can be fixedly connected, or can be detachably connected, or integrally connected; they can be mechanically connected, or electrically connected; they can be directly connected, or indirectly connected through an intermediate medium; they can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] Fig. 1 is a structural schematic view of a novel multipurpose structure steering oil pump of the present application, Fig. 2 is a low-speed state schematic view of a novel multipurpose structure steering oil pump of the present application, Fig. 3 is a high-speed state schematic view of a novel multipurpose structure steering oil pump of the present application, as Figs. 1-3 shown, a novel multipurpose structure steering oil pump of a preferred embodiment is shown, which comprises a pump body 1 and an oil outlet joint 2. The pump body 1 has a pump cavity inside. The pump body 1 also has a valve hole 11 penetrating through the pump body 1. The two opening ends of the valve hole 11 are consistent in size, and the inner wall of the valve hole 11 is in communication with the pump cavity. The oil outlet joint 2 is detachably connected to any one of the opening ends of the valve hole 11. When the oil outlet joint 2 is connected to one of the opening ends of the valve hole 11, the other opening end of the valve hole 11 is detachably plugged by a plug 3.

[0027] In the present embodiment, the valve hole 11 is provided with two through ends, and the oil outlet joint 2 is detachably connected to any one of the opening ends of the valve hole 11 to meet the demand for the orientation of the oil outlet, improve the applicability, and reduce the production cost.

[0028] Further, as a preferred embodiment, in order to facilitate the installation of the oil outlet joint 2 and the plug cover 3, and improve the disassembly efficiency, the two opening ends of the valve hole 11 are provided with threaded holes 111, and the oil outlet joint 2 and the plug cover 3 are respectively screwed into the two threaded holes 111.

[0029] Further, as a preferred embodiment, a sealing ring 6 is arranged between the oil outlet joint 2 / plug cover 3 and the inner wall of the valve hole 11 to improve the sealing performance of the connection between the oil outlet joint 2 / plug cover 3 and the valve hole 11.

[0030] Further, as a preferred embodiment, the oil outlet joint 2 is provided with a throttle hole 21 and an oil outlet hole 22 which are in communication with each other, and the throttle hole 21 is in communication with the valve hole 11.

[0031] Further, as a preferred embodiment, the steering oil pump further comprises a spool valve 4 arranged in the valve hole 11 and in sealing sliding fit with the inner wall of the valve hole 11, the inner wall of the valve hole 11 between the spool valve 4 and the throttle hole 21 is provided with an oil outlet passage 12 in communication with the pump cavity, the inner wall of the valve hole 11 between the oil outlet passage 12 and the plug cover 3 is provided with an overflow passage 13 in communication with the pump cavity, and the spool valve 4 is in sealing fit with the overflow passage 13.

[0032] In the production of the steering oil pump, according to the orientation of the oil outlet (i.e. the installation position of the oil outlet joint 2), only the oil outlet passage 12 needs to be formed by machining the position close to the oil outlet end of the valve hole 11 in the steering oil pump (i.e. the pump body 1 blank), thereby reducing the production equipment investment cost.

[0033] Further, as a preferred embodiment, a spring 5 is arranged in the valve hole 11 between the plug cover 3 and the spool valve 4.

[0034] Further, as a preferred embodiment, an oil passage 14 is arranged in the pump body and is in communication with the valve holes 11 at both ends of the spool valve 4.

[0035] Further, as a preferred embodiment, the outer wall of the oil outlet joint 2 is provided with a first communication hole in communication with one end of the oil passage 14 and the throttle hole 21.

[0036] Further, as a preferred embodiment, the outer wall of the plug cover 3 is provided with a second communication hole in communication with the other end of the oil passage 14 and the valve hole 11.

[0037] Further, as a preferred embodiment, the inner side of the plug cover 3 is provided with a positioning groove, and one end of the spring 5 is positioned and installed in the positioning groove.

[0038] The above merely describes preferred embodiments of the present application, and is not intended to limit the implementation and protection scope of the present application. For those skilled in the art, it should be understood that any equivalent substitutions and obvious changes made according to the content of the present application description and drawings should be included in the protection scope of the present application.

Claims

1. A new type of multi-purpose structure steering oil pump, comprising a pump body and an oil outlet joint, the pump body has a pump cavity therein, characterized in that, The pump body further has a valve hole penetrating the pump body, two opening ends of the valve hole are of the same size, and the inner wall of the valve hole is communicated with the pump cavity; The oil outlet joint is detachably communicated with any opening end of the valve hole, and when the oil outlet joint is communicated with one opening end of the valve hole, the other opening end of the valve hole is detachably plugged by the plug cover; The oil outlet joint has a throttle hole and an oil outlet hole which are communicated with each other, and the throttle hole is communicated with the valve hole; The steering oil pump further comprises a sliding valve which is arranged in the valve hole and is in sealed sliding fit with the inner wall of the valve hole, the inner wall of the valve hole between the sliding valve and the throttle hole has an oil outlet channel which is communicated with the pump cavity, the inner wall of the valve hole between the oil outlet channel and the plug cover has an overflow channel which is communicated with the pump cavity, and the sliding valve is in plugging fit with the overflow channel.

2. The new multi-purpose structure steering oil pump according to claim 1, wherein The two opening ends of the valve hole have threaded holes, and the oil outlet joint and the plug cover are respectively screwed in the two threaded holes.

3. The new multi-purpose structure steering oil pump according to claim 1, wherein A sealing ring is arranged between the oil outlet joint / plug cover and the inner wall of the valve hole.

4. The new multi-purpose structure steering oil pump according to claim 1, wherein A spring is further arranged between the plug cover and the sliding valve in the valve hole.

5. The new multi-purpose structure steering oil pump according to claim 4, characterized in that, An oil channel is arranged in the pump body and is communicated with the valve hole at both ends of the sliding valve.

6. The new multi-purpose structure steering oil pump according to claim 5, wherein A first communication hole is arranged on the outer wall of the oil outlet joint and is communicated with one end of the oil channel and the throttle hole.

7. The new multi-purpose structure steering oil pump according to claim 6, characterized in that, A second communication hole is arranged on the outer wall of the plug cover and is communicated with the other end of the oil channel and the valve hole.

8. The new multi-purpose structure steering oil pump according to claim 7, wherein The inner side of the plug cover has a positioning groove, and one end of the spring is positioned and arranged in the positioning groove.

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