CN217270800U - Duplex hydraulic gear pump capable of avoiding oil leakage - Google Patents
Duplex hydraulic gear pump capable of avoiding oil leakage Download PDFInfo
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- CN217270800U CN217270800U CN202221088220.0U CN202221088220U CN217270800U CN 217270800 U CN217270800 U CN 217270800U CN 202221088220 U CN202221088220 U CN 202221088220U CN 217270800 U CN217270800 U CN 217270800U
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Abstract
The utility model relates to the technical field of gear pumps, and discloses a two-unit hydraulic gear pump for avoiding oil leakage, which comprises a pump body, wherein the inner side of the pump body is movably connected with a rotating wheel, the inner side of the pump body is movably connected with an auxiliary wheel, the surface of the pump body is provided with an oil inlet, the inner side of the oil inlet is fixedly connected with an inflow pipe, the outer part of the inflow pipe is fixedly connected with a first sealing sleeve, the surface of the pump body is provided with an oil outlet, and the inner side of the oil outlet is fixedly connected with an outflow pipe; through adopting oil inlet and oil-out to set up completely in the inside of the pump body, avoid the tradition to adopt oil inlet and oil-out to adopt the separation symmetry design respectively at the pump body and apron surface, apron outside cooperation board and sealed pad cooperation insert the closed trough inboard to the leakproofness of apron and the pump body has been guaranteed, so can prevent effectively that the oil leak incident from appearing in the hydraulic gear pump and taking place, has improved hydraulic gear pump's stability and security.
Description
Technical Field
The utility model relates to a technical field of gear pump specifically is a two ally oneself with hydraulic gear pump of avoiding the oil leak.
Background
The gear pump is a rotary pump that transports or pressurizes a liquid by means of a change in a working volume and a movement formed between a pump cylinder and a meshing gear. By two gears, the pump body constitutes two enclosure spaces with front and back lid, when gear revolve, the volume in the space of gear disengagement side is from little grow, form the vacuum, inhale liquid, the volume in the space of gear engagement side is from big diminish, and go in the pipeline with liquid extrusion, wherein common hydraulic gear pump can appear fluid when carrying fluid and ooze from hydraulic gear pump's interface and pump box case lid, thereby lead to hydraulic gear pump's reliability to reduce, the incident also takes place easily for the fluid of revealing simultaneously.
SUMMERY OF THE UTILITY MODEL
For solving above-mentioned common hydraulic gear pump can appear fluid when carrying fluid and ooze from hydraulic gear pump's interface and pump box case lid to lead to hydraulic gear pump's reliability to reduce, the problem of incident also takes place easily to the fluid of revealing simultaneously, realizes above leakproofness height, reliable, safe purpose, the utility model discloses a following technical scheme realizes: the utility model provides an avoid hydraulic gear pump of two antithetical couplets of oil leak, includes the pump body, the inboard swing joint of the pump body rotates the wheel, the inboard swing joint of the pump body has the auxiliary wheel, the oil inlet has been seted up on the surface of the pump body, the inboard fixedly connected with inflow tube of oil inlet, the outside fixedly connected with seal cover one of inflow tube, the oil-out has been seted up on the surface of the pump body, the inboard fixedly connected with outlet pipe of oil-out, the outside fixedly connected with seal cover two of outlet pipe, stifled groove has been seted up on the surface of the pump body, the outside fixedly connected with apron of the pump body, the outside fixedly connected with cooperation board of apron, the outside fixedly connected with of cooperation board is sealed fills up, the pass mouth has been seted up on the surface of apron.
Furthermore, the rotating wheel is meshed with the auxiliary wheel, the rotating wheel and the auxiliary wheel correspond to the pump body in position, the oil inlet corresponds to the rotating wheel in position, the oil inlet corresponds to the auxiliary wheel in position, the axis of the inflow pipe coincides with the axis of the oil inlet, and the diameter of the outer ring of the first sealing sleeve is larger than the caliber of the oil inlet.
Further, the axis of the oil outlet coincides with the axis of the oil inlet, the axis of the outflow pipe coincides with the axis of the oil outlet, the diameter of the outer ring of the second sealing sleeve is larger than the caliber of the oil outlet, the position of the blocking groove corresponds to that of the matching plate, the width specification caliber of the sealing gasket is larger than that of the blocking groove, the rotating wheel is connected with the rotating seal of the penetrating port, and the position of the cover plate corresponds to that of the pump body.
The utility model provides an avoid hydraulic pressure gear pump of two of oil leak. The method has the following beneficial effects:
1. this avoid hydraulic gear pump of two antithetical couplets of oil leak, set up the inside at the pump body completely through adopting oil inlet and oil-out, avoid the tradition to adopt oil inlet and oil-out to adopt the separation symmetry design respectively at the pump body and apron surface, thereby the inside oil circuit leakproofness of hydraulic gear pump has been improved, the inboard of oil inlet is inserted in the cooperation of inflow pipe and seal cover simultaneously, the inboard of oil-out is inserted in the cooperation of outflow pipe and seal cover two, the sealing reliability of hydraulic gear pump and pipeline kneck has been guaranteed like this, it is inboard that the shutoff groove is inserted to the outside cooperation board of apron and the cooperation of sealed pad, thereby the leakproofness of apron and the pump body has been guaranteed, so can prevent effectively that the oil leak incident from appearing in the hydraulic gear pump, the stability and the security of hydraulic gear pump have been improved.
Drawings
FIG. 1 is a schematic view of the internal partial sectional structure of the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the structure of the utility model at B in FIG. 1;
fig. 4 is a schematic view of the connection relationship between the cover plate, the matching plate, the sealing gasket and the passing opening of the present invention.
In the figure: 1. a pump body; 2. a rotating wheel; 3. an auxiliary wheel; 4. an oil inlet; 5. an inflow pipe; 6. a first sealing sleeve; 7. an oil outlet; 8. an outflow tube; 9. a second sealing sleeve; 10. plugging the groove; 11. a cover plate; 12. a mating plate; 13. a gasket; 14. through the port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
The embodiment of the duplex hydraulic gear pump for avoiding oil leakage is as follows:
referring to fig. 1-4, a duplex hydraulic gear pump for avoiding oil leakage includes a pump body 1, a rotating wheel 2 is movably connected to the inner side of the pump body 1, an auxiliary wheel 3 is movably connected to the inner side of the pump body 1, an oil inlet 4 is formed in the surface of the pump body 1, an inflow pipe 5 is fixedly connected to the inner side of the oil inlet 4, a first sealing sleeve 6 is fixedly connected to the outer portion of the inflow pipe 5, the rotating wheel 2 is meshed with the auxiliary wheel 3, the rotating wheel 2 and the auxiliary wheel 3 correspond to each other in position, the oil inlet 4 corresponds to the rotating wheel 2 in position, the oil inlet 4 corresponds to the auxiliary wheel 3 in position, the axis of the inflow pipe 5 coincides with the axis of the oil inlet 4, and the diameter of an outer ring of the first sealing sleeve 6 is larger than the diameter of the oil inlet 4.
An oil outlet 7 is formed in the surface of the pump body 1, an outflow pipe 8 is fixedly connected to the inner side of the oil outlet 7, a sealing sleeve two 9 is fixedly connected to the outer portion of the outflow pipe 8, a blocking groove 10 is formed in the surface of the pump body 1, a cover plate 11 is fixedly connected to the outer portion of the pump body 1, a matching plate 12 is fixedly connected to the outer portion of the cover plate 11, a sealing gasket 13 is fixedly connected to the outer portion of the matching plate 12, a through opening 14 is formed in the surface of the cover plate 11, the axis of the oil outlet 7 is overlapped with the axis of an oil inlet 4, the axis of the outflow pipe 8 is overlapped with the axis of the oil outlet 7, the diameter of an outer ring of the sealing sleeve two 9 is larger than the diameter of the oil outlet 7, the blocking groove 10 corresponds to the position of the matching plate 12, the width specification diameter of the sealing gasket 13 is larger than the width specification diameter of the blocking groove 10, the rotating wheel 2 is connected with the rotating of the through opening 14 in a sealing mode, the cover plate 11 corresponds to the position of the pump body 1, and the oil inlet 4 and the oil outlet 7 are completely arranged inside the pump body 1, avoid the tradition to adopt oil inlet 4 and oil-out 7 to adopt the separation symmetry design respectively on the surface of the pump body 1 and apron 11, thereby the inside oil circuit leakproofness of hydraulic gear pump has been improved, inflow pipe 5 and the cooperation of seal cover 6 insert the inboard of oil inlet 4 simultaneously, outflow pipe 8 and the cooperation of seal cover two 9 insert the inboard of oil-out 7, the sealing reliability of hydraulic gear pump and pipeline kneck has been guaranteed like this, it is inboard that the sealed groove 10 is inserted to the outside cooperation board 12 of apron 11 and the cooperation of sealed pad 13, thereby the leakproofness of apron 11 and the pump body 1 has been guaranteed, so can prevent effectively that the oil leak incident from appearing in the hydraulic gear pump, the stability and the security of hydraulic gear pump have been improved.
The working principle is as follows:
a user manually operates the inflow pipe 5 to move to drive the first sealing sleeve 6 to move and insert the inner side of the oil inlet 4, then the inflow pipe 5 and the pump body 1 are fixed through a bolt, the user manually operates the outflow pipe 8 to move to drive the second sealing sleeve 9 to move and insert the inner side of the oil outlet 7, the outflow pipe 8 and the pump body 1 are fixed through a bolt, meanwhile, the user manually operates the cover plate 11 and enables the rotating wheel 2 to pass through the inner side of the through opening 14, the cover plate 11 moves to drive the matching plate 12 to move, the matching plate 12 moves to drive the sealing gasket 13 to move and insert the inner side of the plugging groove 10 on the surface of the pump body 1, and the cover plate 11 and the pump body 1 are fixed through a bolt, so that the cover plate 11 seals the rotating wheel 2 and the auxiliary wheel 3 on the inner side of the pump body 1.
When rotating wheel 2 and rotating under outside power motor drives, it drives auxiliary wheel 3 and rotates to rotate wheel 2, and auxiliary wheel 3 rotates and makes 4 inboards in the oil inlet produce the vacuum negative pressure, and inside oil of inflow pipe 5 was carried 4 oil inlets, and 4 inboard fluid in the oil inlet flows into 7 inboards in the oil-out under rotating wheel 2 and auxiliary wheel 3 rotation drive, along with 7 inboard fluid accumulations of oil-out make fluid flow in 8 inboards in the outflow pipe, carries out the directional transport of fluid.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an avoid hydraulic pressure gear pump of two of oil leak, includes the pump body (1), its characterized in that: the pump comprises a pump body (1), wherein the inner side of the pump body (1) is movably connected with a rotating wheel (2), the inner side of the pump body (1) is movably connected with an auxiliary wheel (3), an oil inlet (4) is formed in the surface of the pump body (1), an inflow pipe (5) is fixedly connected with the inner side of the oil inlet (4), a first sealing sleeve (6) is fixedly connected with the outer side of the inflow pipe (5), an oil outlet (7) is formed in the surface of the pump body (1), an outflow pipe (8) is fixedly connected with the inner side of the oil outlet (7), a second sealing sleeve (9) is fixedly connected with the outer side of the outflow pipe (8), a blocking groove (10) is formed in the surface of the pump body (1), a cover plate (11) is fixedly connected with the outer side of the pump body (1), a matching plate (12) is fixedly connected with the outer side of the cover plate (11), and a sealing gasket (13) is fixedly connected with the outer side of the matching plate (12), the surface of the cover plate (11) is provided with a through opening (14).
2. The two-in-one hydraulic gear pump for avoiding oil leakage according to claim 1, characterized in that: the rotating wheel (2) is meshed with the auxiliary wheel (3), and the rotating wheel (2) and the auxiliary wheel (3) correspond to the pump body (1) in position.
3. The two-in-one hydraulic gear pump for avoiding oil leakage according to claim 1, characterized in that: the oil inlet (4) corresponds to the rotating wheel (2), and the oil inlet (4) corresponds to the auxiliary wheel (3).
4. The two-in-one hydraulic gear pump for avoiding oil leakage according to claim 1, characterized in that: the axial line of the inflow pipe (5) coincides with the axial line of the oil inlet (4), and the diameter of the outer ring of the first sealing sleeve (6) is larger than the caliber of the oil inlet (4).
5. The two-in-one hydraulic gear pump for avoiding oil leakage according to claim 1, characterized in that: the axis of the oil outlet (7) coincides with the axis of the oil inlet (4), the axis of the outflow pipe (8) coincides with the axis of the oil outlet (7), and the diameter of the outer ring of the second sealing sleeve (9) is larger than the caliber of the oil outlet (7).
6. The two-in-one hydraulic gear pump for avoiding oil leakage according to claim 1, characterized in that: the position of the plugging groove (10) corresponds to that of the matching plate (12), and the width specification caliber of the sealing gasket (13) is larger than that of the plugging groove (10).
7. The two-in-one hydraulic gear pump for avoiding oil leakage of claim 1, wherein: the rotating wheel (2) is connected with the penetrating port (14) in a rotating and sealing mode, and the cover plate (11) corresponds to the pump body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221088220.0U CN217270800U (en) | 2022-05-09 | 2022-05-09 | Duplex hydraulic gear pump capable of avoiding oil leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221088220.0U CN217270800U (en) | 2022-05-09 | 2022-05-09 | Duplex hydraulic gear pump capable of avoiding oil leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217270800U true CN217270800U (en) | 2022-08-23 |
Family
ID=82883333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221088220.0U Active CN217270800U (en) | 2022-05-09 | 2022-05-09 | Duplex hydraulic gear pump capable of avoiding oil leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217270800U (en) |
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2022
- 2022-05-09 CN CN202221088220.0U patent/CN217270800U/en active Active
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