CN212106833U

CN212106833U - Gear for automobile steering pump

Info

Publication number: CN212106833U
Application number: CN202020672300.5U
Authority: CN
Inventors: 陈誉之
Original assignee: Wenling Huirong Machinery Co ltd
Current assignee: Wenling Huirong Machinery Co ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2020-12-08
Anticipated expiration: 2030-04-27

Abstract

The utility model provides a gear for auto steering pump belongs to auto-parts technical field. It has solved the big problem of current steering pump gear operation wearing and tearing. This a gear for auto steering pump includes gear main part and meshing unit, the meshing unit comprises a plurality of driving tooth, annular oil storage tank has been seted up on the up end of gear main part, the gear main part is located annular oil storage tank and is provided with the annular oil storage piece that has the oil storage chamber, oil-out one has all been seted up on the periphery wall that the annular oil storage piece is located corresponding driving tooth department, driving tooth is provided with one on the periphery wall that corresponding oil-out one was located and leads the oil pole, lead and seted up the water conservancy diversion way on the terminal surface in the oil storage tank is worn into to the oil pole, lead and seted up a plurality of oil-out two on the periphery wall that the oil pole is located driving tooth both sides wall department, set up the oil outlet way that communicates with oil-out two phases. The utility model discloses specific lubrication action and reduce wear's advantage.

Description

Gear for automobile steering pump

Technical Field

The utility model belongs to the technical field of auto-parts, a gear for auto steering pump is related to.

Background

The steering pump is also called as an automobile power-assisted pump and is mainly used for assisting a driver to adjust the automobile direction and reducing the force intensity for driving a steering wheel for the driver. Steering pump gears are common drive mechanism components within the steering pump. The steering pump gear is worn greatly under the influence of frequent steering of the automobile, particularly when the automobile turns at a low speed, so that the shaking condition can occur in the transmission process, and the normal transmission work is influenced.

Disclosure of Invention

The utility model aims at providing a gear with lubrication action and reducing wear to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: a gear for an automobile steering pump comprises a gear body and an engagement unit, wherein the engagement unit is composed of a plurality of transmission teeth, and is characterized in that an annular oil storage groove which is axially recessed is formed in the upper end face of the gear body, an annular oil storage block which is embedded into the annular oil storage groove and is provided with an oil storage cavity is arranged in the annular oil storage groove, oil outlets I which enable the oil storage cavity to be communicated with the outside are formed in the peripheral wall of the annular oil storage block which is located at the corresponding transmission teeth, an oil guide rod which penetrates through the transmission teeth, extends through the corresponding gear body and penetrates into the annular oil storage block through the corresponding oil outlets is arranged on the peripheral wall of the transmission teeth which are located at the corresponding oil outlets, and a flow guide channel which is arranged along the length direction of the oil guide rod and is communicated with the oil storage cavity is formed in the end face of the oil guide rod which penetrates into the annular oil storage block, the outer peripheral wall of the oil guide rod, which is positioned on the two side walls of the transmission teeth, is provided with a plurality of second oil outlets which are arranged along the circumferential direction of the oil guide rod and communicated with the flow guide channels, and the two side walls of the transmission teeth, which are positioned on the corresponding oil storage openings, are provided with oil outlet channels communicated with the second oil outlets.

In the above gear for an automobile steering pump, the peripheral wall of the annular oil storage block is provided with a plurality of limiting convex blocks which are axially and outwards protruded and are arranged at intervals along the circumferential direction and embedded into the gear body.

In a foretell gear for auto steering pump, the gear main part be located the up end of annular oil storage piece and be provided with the spacing ring that restriction annular oil storage piece position just linked firmly mutually with the gear main part, the periphery wall of spacing ring on be provided with the outside arch of a plurality of axial and follow the stopper that its circumferencial direction interval set up, the stopper pass through the screw rod and link firmly mutually with the gear main part.

In foretell a gear for auto steering pump, the up end of annular oil storage piece on be provided with the axial and upwards protruding oil storage mouth of being convenient for oil storage chamber oiling, the spacing ring on set up the through-hole that supplies oil storage mouth to pass, the spacing ring be located through-hole department and be provided with the spacing ring and dismantle mutually and be connected and be used for the sealed lid of sealed through-hole.

In the above-mentioned gear for a steering pump of an automobile, the length of the flow guide is less than that of the oil guide rod.

In the above gear for an automobile steering pump, the oil guide rod is connected with the transmission gear in a threaded fit manner, and the outer end face of the oil guide rod is provided with a loading and unloading groove which is arranged along the length direction of the oil guide rod and is convenient for assembling the oil guide rod.

In the above gear for the automobile steering pump, the diameter of the second oil outlet is smaller than that of the oil outlet channel, and the second oil outlet and the oil outlet channel are obliquely arranged.

Compared with the prior art, the gear for the automobile steering pump has the following advantages:

1. the gear body is positioned in the annular oil storage groove and is internally provided with an annular oil storage block which is embedded in the annular oil storage groove and is provided with an oil storage cavity, the outer peripheral wall of the annular oil storage block, which is positioned at the corresponding transmission tooth, is provided with a first oil outlet which enables the oil storage cavity to be communicated with the outside, the outer peripheral wall of the transmission tooth, which is positioned at the corresponding oil outlet, is provided with an oil guide rod which penetrates through the transmission tooth, extends through the corresponding gear body and penetrates into the annular oil storage block through the corresponding first oil outlet, the end surface of the oil guide rod, which penetrates into the annular oil storage block, is provided with a flow guide channel which is arranged along the length direction of the oil guide rod and is communicated with the oil storage cavity, the outer peripheral walls of the oil guide rod, which are positioned at the two side walls of the transmission tooth, are provided with second oil outlets which are, the arrangement of the structure ensures that the gear body can lubricate each transmission gear when rotating, thereby achieving the purpose of reducing abrasion.

Drawings

Fig. 1 is a schematic structural view, partially in section, seen from above, of a gear for a steering pump of an automobile, in which a retainer ring is not mounted.

Fig. 2 is a schematic top view of the gear for the steering pump of the vehicle with the retainer ring assembled therein.

FIG. 3 is an enlarged view of circle A of FIG. 1 of the present gear for an automotive steering pump.

In the figure, 1, a gear body; 2. a transmission gear; 3. an annular oil storage tank; 4. an oil storage chamber; 5. an annular oil storage block; 6. a first oil outlet; 7. an oil guide rod; 8. a flow guide way; 9. an oil outlet II; 10. an oil outlet channel; 11. a limiting bump; 12. a limiting ring; 13. a limiting block; 14. an oil storage nozzle; 15. a through hole; 16. a sealing cover; 17. and (4) loading and unloading the groove.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2 and 3, the gear for the automobile steering pump comprises a gear main body 1 and a meshing unit, wherein the meshing unit is composed of a plurality of transmission teeth 2, a plurality of mounting grooves arranged along the corresponding circumferential direction are formed in the upper end surface of the gear main body 1 at the edge of an outer circle, the number of the mounting grooves is the same as that of the transmission teeth 2, the transmission teeth 2 matched with each other in an embedded manner are arranged in the mounting grooves, the upper end surfaces of the transmission teeth 2 are lower than that of the gear main body 1, annular grooves which are axially recessed downwards and communicated with the corresponding fixing grooves are formed in the upper end surfaces of the gear main body 1 at the corresponding fixing grooves, the bottom surfaces of the annular grooves are flush with the upper end surfaces of the corresponding transmission teeth 2, annular limit blocks 13 which are matched with each other in an embedded manner, are fixedly connected with the gear main body 1, set up the annular oil storage tank 3 that the axial is inwards sunken on gear body 1's the up end, gear body 1 is located annular oil storage tank 3 and is provided with embedding annular oil storage tank 3 in and has the annular oil storage piece 5 of oil storage chamber 4, annular oil storage piece 5 highly is less than the up end that is less than gear body 1, all set up the oil-out 6 that makes oil storage chamber 4 and outside be linked together on the periphery wall that annular oil storage piece 5 is located corresponding driving tooth 2 department, driving tooth 2 is provided with one on the periphery wall that is located corresponding oil-out 6 department and runs through driving tooth 2 and extend corresponding gear body 1 and wear into oil guide rod 7 in annular oil storage piece 5 through corresponding oil-out 6, set up along oil guide rod 7 length direction and set up and the water conservancy diversion 8 that are linked together on the terminal surface that oil guide rod 7 wears into annular oil storage piece 5, oil guide rod 7 is located the periphery wall of driving tooth 2 department and has seted up a plurality of along its circumferencial direction setting and with water conservancy diversion 8 water conservancy diversion canals And the two side walls of the transmission gear 2, which are positioned at the corresponding oil storage opening, are provided with oil outlet channels 10 communicated with the oil outlet II 9.

In order to facilitate the oil outlet 6 and the oil guide rod 7 to be aligned, the outer peripheral wall of the annular oil storage block 5 is provided with a plurality of limiting lugs 11 which are axially and outwards protruded and are arranged at intervals along the circumferential direction of the annular oil storage block and embedded into the gear body 1, and the gear body 1 is provided with a plurality of limiting grooves which are the same in number as the limiting lugs 11 and are used for installing the corresponding limiting lugs 11.

In further detail, in order to prevent annular oil storage block 5 from separating from gear body 1, gear body 1 is located the up end of annular oil storage block 5 and is provided with limiting ring 12 that limiting ring 5 position and gear body 1 linked firmly mutually, be provided with the stopper 13 that a plurality of axial is outside protruding and set up along its circumferencial direction interval on limiting ring 12's the periphery wall, stopper 13 links firmly with gear body 1 mutually through the screw rod, be provided with the stopper 13 that a plurality of axial is inside protruding and set up along its circumferencial direction interval on limiting ring 12's the internal perisporium, stopper 13 links firmly with gear body 1 mutually through the screw rod.

Further saying in detail, for the ease of 5 oiling of annular oil storage piece, be provided with the oil storage nozzle 14 that the axial is upwards protruding and be convenient for oil storage chamber 4 oiling on the up end of annular oil storage piece 5, set up the through-hole 15 that supplies oil storage nozzle 14 to pass on the spacing ring 12, the diameter of through-hole 15 is greater than the diameter of oil injection nozzle, the height that highly is greater than the oil injection nozzle of through-hole 15, spacing ring 12 is located through-hole 15 department and is provided with and dismantles the sealed lid 16 who is connected and be used for sealed through-hole 15 with spacing ring 12 mutually.

As a preferable structure, the length of the flow guide channel 8 is less than that of the oil guide rod 7.

In a detailed description, in order to facilitate the loading and unloading of the oil guide rod 7 and ensure the sealing performance, the oil guide rod 7 is connected with the transmission gear 2 in a threaded fit manner, the outer end face of the oil guide rod 7 is provided with an loading and unloading groove 17 which is arranged along the length direction of the loading and unloading groove and is convenient for the assembly of the oil guide rod 7, and a distance is reserved between the bottom surface of the loading and unloading groove 17 in the oil guide rod 7 and the bottom surface of the oil guide channel.

As a preferable structure, the diameter of the oil outlet II 9 is smaller than that of the oil outlet channel 10, and the oil outlet II 9 and the oil outlet channel 10 are obliquely arranged.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A gear for an automobile steering pump comprises a gear body (1) and an engagement unit, wherein the engagement unit is composed of a plurality of transmission teeth (2), and is characterized in that an annular oil storage groove (3) which is recessed inwards in the axial direction is formed in the upper end face of the gear body (1), an annular oil storage block (5) which is embedded into the annular oil storage groove (3) and is provided with an oil storage cavity (4) is arranged in the annular oil storage groove (3) of the gear body (1), oil outlets (6) which enable the oil storage cavity (4) to be communicated with the outside are formed in the outer peripheral wall of the corresponding transmission teeth (2) of the annular oil storage block (5), an oil guide rod (7) which penetrates through the transmission teeth (2), extends through the corresponding gear body (1) and penetrates into the annular oil storage block (5) through the corresponding oil outlets (6) is arranged on the outer peripheral wall of the corresponding transmission teeth (2), lead beam hanger (7) to wear to offer on the terminal surface in annular oil storage piece (5) along leading beam hanger (7) length direction setting and with flow guide way (8) that oil storage chamber (4) are linked together, lead beam hanger (7) and offer a plurality of along its circumferencial direction setting and with flow guide way (8) two (9) that are linked together on the periphery wall of driving gear (2) both sides wall department, set up on the both sides wall that driving gear (2) are located corresponding oil storage mouth department and go out oil channel (10) that are linked together with oil-out two (9).

2. A gear for a steering pump of a motor vehicle according to claim 1, wherein the outer peripheral wall of the annular oil reservoir block (5) is provided with a plurality of limit protrusions (11) which are axially outwardly protruded and circumferentially spaced apart from each other and are embedded in the gear body (1).

3. The gear for the automobile steering pump according to claim 1, wherein the gear body (1) is provided with a limiting ring (12) which limits the position of the annular oil storage block (5) and is fixedly connected with the gear body (1) on the upper end face of the annular oil storage block (5), a plurality of limiting blocks (13) which are axially and outwardly protruded and are arranged at intervals along the circumferential direction of the limiting ring (12) are arranged on the outer circumferential wall of the limiting ring (12), and the limiting blocks (13) are fixedly connected with the gear body (1) through screws.

4. The gear for the automobile steering pump according to claim 3, wherein an oil storage nozzle (14) which protrudes upwards in the axial direction and facilitates oil injection of the oil storage cavity (4) is arranged on the upper end surface of the annular oil storage block (5), a through hole (15) for the oil storage nozzle (14) to pass through is formed in the limiting ring (12), and a sealing cover (16) which is detachably connected with the limiting ring (12) and used for sealing the through hole (15) is arranged at the position, located in the through hole (15), of the limiting ring (12).

5. A gear for a steering pump of a motor vehicle according to claim 1, characterised in that the length of the flow guide (8) is less than the length of the oil guide rod (7).

6. The gear for the automobile steering pump according to claim 1, characterized in that the oil guide rod (7) is connected with the transmission gear (2) in a threaded fit manner, and an assembling and disassembling groove (17) which is arranged along the length direction of the oil guide rod (7) and facilitates assembly of the oil guide rod (7) is formed in the outer end face of the oil guide rod (7).

7. The gear for a steering pump of an automobile according to claim 1, wherein the diameter of the second oil outlet (9) is smaller than that of the oil outlet channel (10), and the second oil outlet (9) and the oil outlet channel (10) are arranged in an inclined manner.