CN212838333U - Gear transmission structure with pump transmission oil scraper ring - Google Patents
Gear transmission structure with pump transmission oil scraper ring Download PDFInfo
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- CN212838333U CN212838333U CN202021746992.XU CN202021746992U CN212838333U CN 212838333 U CN212838333 U CN 212838333U CN 202021746992 U CN202021746992 U CN 202021746992U CN 212838333 U CN212838333 U CN 212838333U
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Abstract
The application discloses a gear transmission structure with a pump transmission oil scraper ring, which comprises a pump body provided with a pump suction port and an oil outlet, wherein a transmission shaft is arranged in the pump body and sleeved with a pump body gear, and the transmission shafts on the left side and the right side of the pump body gear are symmetrically sleeved with the oil scraper rings vertical to the transmission shafts; the inner side faces of the pump body on the left side and the right side of the pump body gear are provided with annular grooves, and the end parts of the oil deflector rings are in sealing fit in the annular grooves. The utility model discloses add the oil scraper ring inside the pump body, use the oil scraper ring to pump the volume reduction with the pump of pump body inside for pump sucks the inspiratory oil mass of gear and increases the pressure of producing oil because the volume reduces. Compared with the prior art, the oil pump has the advantages that the structural design is simple, the oil pressure can be increased by one to three times, and the oil pump is suitable for a small oil pump body.
Description
Technical Field
The application relates to the technical field of mechanical transmission, in particular to a gear transmission structure with a pump transmission oil scraper ring.
Background
The inside of the oil pump is vacuum generated by meshing of pump gears, oil is sucked in, and the oil in the oil inlet is pumped out by utilizing the meshing space of the gears.
Daily discovery, inside the pump case of oil pump, the inside oil mass holding volume of the pump body is great for the pressure of the oil mass of pumping is not enough. Therefore, it is necessary to reduce the internal space of the pump body to increase the pressure of the oil pumping amount so that the discharge pressure thereof becomes more sufficient.
SUMMERY OF THE UTILITY MODEL
The main objective of the present application is to provide a gear transmission structure with a pump transmission slinger to solve the present problems.
In order to achieve the above object, the present application provides the following techniques:
a gear transmission structure with a pump transmission oil scraper ring comprises a pump body provided with a pump suction port and an oil outlet, wherein a transmission shaft is arranged in the pump body, a pump body gear is sleeved on the transmission shaft, and oil scraper rings vertical to the transmission shaft are symmetrically sleeved on the transmission shafts on the left side and the right side of the pump body gear; the inner side faces of the pump body on the left side and the right side of the pump body gear are provided with annular grooves, and the end parts of the oil deflector rings are in sealing fit in the annular grooves.
The utility model discloses add the oil scraper ring inside the pump body, use the oil scraper ring to pump the volume reduction with the pump of pump body inside for pump sucks the inspiratory oil mass of gear and increases the pressure of producing oil because the volume reduces. Compared with the prior art, the oil pump has the advantages that the structural design is simple, the oil pressure can be increased by one to three times, and the oil pump is suitable for a small oil pump body.
Specifically, as shown in fig. 1 and 2, a gear transmission structure with a pump transmission oil retainer ring comprises a pump body provided with a pump suction port and an oil outlet, wherein the pump body is a small displacement oil pump, which is shown as an internal pump structure, a transmission shaft is arranged in the pump body, a pump body gear is sleeved on the transmission shaft, the pump body gear is driven by the transmission shaft to generate vacuum in the pump body so as to suck oil from the pump suction port, and the oil is conveyed out from a meshing space between the pump body gear and an inner cavity of the pump body and then is discharged from the oil outlet; oil slingers perpendicular to the transmission shafts are symmetrically sleeved on the transmission shafts on the left side and the right side of the pump body gear, the oil slingers are of end cover structures, are made of 45-grade steel and are vertically arranged, are hermetically sleeved on the transmission shafts, are symmetrically arranged in pairs left and right, and have a distance of 8-16mm with the pump body gear; the pump body inner side surfaces of the left side and the right side of the pump body gear are integrally processed with annular grooves, the end parts of the oil slingers are in sealing fit with the annular grooves, as shown in figure 1, the oil slingers rotate with the pump body gear simultaneously, and the oil slingers are in sealing fit with the inner side surfaces of the pump body to reduce the pumping volume.
Preferably, the oil deflector ring comprises a sleeved nose web which is sleeved on the transmission shaft through a key.
The sleeved raised head web is of an integrally processed and formed structure of an oil retainer ring, and is sleeved on the transmission shaft through a key in a web plate type structure.
Preferably, the transmission shaft at the position of the web of the sleeving convex head is fixedly sleeved on the first sealing sleeve, and the web of the sleeving convex head is sleeved on the first sealing sleeve through a key.
The first sealing sleeve is tightly sleeved on the transmission shaft, the sleeved raised head web is sleeved on the first sealing sleeve through a key, and the first sealing sleeve and a second sealing sleeve which is described below are nickel alloy steel sleeves and are used for sealing between the transmission shaft, the sleeved raised head web and the pump body gear.
Preferably, a second sealing sleeve is arranged between the pump body gear and the transmission shaft.
Preferably, all be equipped with sealing mechanism between the oil slinger on pump body gear and left and right sides, sealing mechanism includes seal ring groove and sealing washer, the seal ring groove is located on the transmission shaft lateral surface between pump body gear and left oil slinger, pump body gear and the oil slinger on right side, the sealing washer cooperation is in the seal ring groove and the laminating between pump body gear and left oil slinger, pump body gear and the oil slinger on right side.
The sealing ring groove is formed in a left-right mode, the sealing ring is integrally machined and formed on the outer side face of a transmission shaft between the pump body gear and the oil retainer on the left side and between the pump body gear and the oil retainer on the right side, the sealing ring is an oil sealing rubber ring, the sealing ring is matched in the sealing ring groove and attached between the pump body gear and the oil retainer on the left side and between the pump body gear and the oil retainer on the right side, and the sealing ring is fixed through the first sealing sleeve and the second sealing sleeve in.
Compared with the prior art, this application can bring following technological effect:
the utility model discloses add the oil scraper ring inside the pump body, use the oil scraper ring to pump the volume reduction with the pump of pump body inside for pump sucks the inspiratory oil mass of gear and increases the pressure of producing oil because the volume reduces. Compared with the prior art, the oil pump has the advantages that the structural design is simple, the oil pressure can be increased by one to three times, and the oil pump is suitable for a small oil pump body.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
FIG. 1 is a schematic sectional view of the present invention;
fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;
in the figure: 1. the oil pump comprises a pump suction port, 2, an annular groove, 3, an oil retainer, 4, a pump body gear, 5, a sleeved raised head web, 6, a key, 7, a first sealing sleeve, 8, a pump body, 9, an oil outlet, 10, a transmission shaft, 11, a sealing ring, 12, a sealing ring groove, 13 and a second sealing sleeve.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
A gear transmission structure with a pump transmission oil scraper ring comprises a pump body 8 provided with a pump suction port 1 and an oil outlet 9, wherein a transmission shaft 10 is arranged in the pump body 8, a pump body gear 4 is sleeved on the transmission shaft 10, and oil scraper rings 3 vertical to the transmission shaft 10 are symmetrically sleeved on the transmission shafts 10 on the left side and the right side of the pump body gear 4; the inner side surfaces of the pump body 8 at the left side and the right side of the pump body gear 4 are provided with annular grooves 2, and the end parts of the oil slingers 3 are in sealing fit in the annular grooves 2.
The utility model discloses add oil scraper ring 3 inside the pump body 8, use oil scraper ring 3 to reduce the pump suction volume inside the pump body 8 for the pump sucks the inspiratory oil mass of gear and increases the oil pressure because the volume reduces. Compared with the prior art, the oil pump has the advantages that the structural design is simple, the oil pressure can be increased by one to three times, and the oil pump is suitable for a small oil pump body.
Specifically, as shown in fig. 1 and 2, a gear transmission structure with a pump transmission oil retainer ring comprises a pump body 8 provided with a pump suction port 1 and an oil outlet 9, wherein the pump body 8 is a small displacement oil pump, and is shown as an internal pump structure, a transmission shaft 10 is arranged inside the pump body 8, a pump body gear 4 is sleeved on the transmission shaft 10, the pump body gear 4 is driven by the transmission shaft 10 to generate vacuum inside the pump body 8 so as to suck oil from the pump suction port 1, and the oil is transported out from an engagement space between the pump body gear 4 and an inner cavity of the pump body 8 and then discharged from the oil outlet 9; oil slingers 3 perpendicular to the transmission shaft 10 are symmetrically sleeved on the transmission shafts 10 on the left side and the right side of the pump body gear 4, the oil slingers 3 are of end cover structures, are made of No. 45 steel and are vertically arranged as the gear material, are hermetically sleeved on the transmission shafts 10, are symmetrically arranged in pairs left and right, and have a distance of 8-16mm with the pump body gear 4; an annular groove 2 is integrally formed in the inner side faces of the pump body 8 on the left side and the right side of the pump body gear 4, the end portions of the oil slingers 3 are in sealing fit with the annular groove 2, as shown in the attached drawing 1, the oil slingers 3 and the pump body gear 4 rotate simultaneously, and the oil slingers 3 and the inner side faces of the pump body 8 are in sealing fit with each other to reduce the pumping volume.
Preferably, the oil slinger 3 comprises a sleeved raised head web 5, and the sleeved raised head web 5 is sleeved on the transmission shaft 10 through a key 6.
The sleeved raised head web 5 is an integrally processed and formed structure of the oil retainer 3, and is of a web plate type structure and sleeved on the transmission shaft 10 through a key 6.
Preferably, the transmission shaft 10 at the position of the sleeved convex head web 5 is fixedly sleeved on the first sealing sleeve 7, and the sleeved convex head web 5 is sleeved on the first sealing sleeve 7 through the key 6.
The first sealing sleeve 7 is tightly sleeved on the transmission shaft 10, the sleeved raised head web 5 is sleeved on the first sealing sleeve 7 through a key 6, and the first sealing sleeve 7 and a second sealing sleeve 13 which is described below are both nickel alloy steel sleeves and are used for sealing between the transmission shaft 10 and the sleeved raised head web 5 and the pump body gear 4.
Preferably, a second sealing sleeve 13 is arranged between the pump body gear 4 and the transmission shaft 10.
Preferably, all be equipped with sealing mechanism between pump body gear 4 and the oil slinger 3 on left and right sides, sealing mechanism includes seal ring groove 12 and sealing washer 11, seal ring groove 12 is located on the transmission shaft 10 lateral surface between pump body gear 4 and left oil slinger 3, pump body gear 4 and the oil slinger 3 on right side, sealing washer 11 cooperation is in seal ring groove 12 and the laminating between pump body gear 4 and left oil slinger 3, pump body gear 4 and the oil slinger 3 on right side.
The sealing ring groove 12 is provided with a pair of left and right sides, the integrated processing and forming is arranged on the outer side surface of the transmission shaft 10 between the pump body gear 4 and the left oil retainer 3 and between the pump body gear 4 and the right oil retainer 3, the sealing ring 11 is an oil sealing rubber ring, is matched in the sealing ring groove 12 and is attached between the pump body gear 4 and the left oil retainer 3 and between the pump body gear 4 and the right oil retainer 3, and is pressed and fixed through the first sealing sleeve 7 and the second sealing sleeve 13.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (5)
1. A gear transmission structure with a pump transmission oil scraper ring comprises a pump body (8) provided with a pump suction port (1) and an oil outlet (9), wherein a transmission shaft (10) is arranged inside the pump body (8), and a pump body gear (4) is sleeved on the transmission shaft (10), and is characterized in that the oil scraper rings (3) vertical to the transmission shaft (10) are symmetrically sleeved on the transmission shafts (10) on the left side and the right side of the pump body gear (4); the inner side faces of the pump body (8) on the left side and the right side of the pump body gear (4) are provided with annular grooves (2), and the end parts of the oil slingers (3) are in sealing fit with the annular grooves (2).
2. A gear transmission with a pump transmission oil slinger according to claim 1 characterised in that the oil slinger (3) includes a sleeved nose web (5), the sleeved nose web (5) being sleeved on the drive shaft (10) by a key (6).
3. A gear transmission with a pump drive slinger according to claim 2 and characterized therein that the drive shaft (10) where the web (5) of the nesting nose is located is fixedly secured to the first seal bushing (7) and the web (5) of the nesting nose is nested on the first seal bushing (7) by means of the key (6).
4. A gear transmission structure with a pump drive slinger according to claim 3 characterised in that a second sealing sleeve (13) is provided between the pump body gear (4) and the drive shaft (10).
5. The gear transmission structure with the pump transmission oil slinger according to claim 1 or 4, characterized in that a sealing mechanism is arranged between the pump body gear (4) and the oil slinger (3) on the left and right sides, the sealing mechanism comprises a sealing ring groove (12) and a sealing ring (11), the sealing ring groove (12) is arranged on the outer side of the transmission shaft (10) between the pump body gear (4) and the oil slinger (3) on the left side, the pump body gear (4) and the oil slinger (3) on the right side, and the sealing ring (11) is matched in the sealing ring groove (12) and is attached between the pump body gear (4) and the oil slinger (3) on the left side, the pump body gear (4) and the oil slinger (3) on the right side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021746992.XU CN212838333U (en) | 2020-08-20 | 2020-08-20 | Gear transmission structure with pump transmission oil scraper ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021746992.XU CN212838333U (en) | 2020-08-20 | 2020-08-20 | Gear transmission structure with pump transmission oil scraper ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212838333U true CN212838333U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021746992.XU Active CN212838333U (en) | 2020-08-20 | 2020-08-20 | Gear transmission structure with pump transmission oil scraper ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212838333U (en) |
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2020
- 2020-08-20 CN CN202021746992.XU patent/CN212838333U/en active Active
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