CN217582482U - Plunger variable pump with stable transmission axis - Google Patents
Plunger variable pump with stable transmission axis Download PDFInfo
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- CN217582482U CN217582482U CN202221646965.4U CN202221646965U CN217582482U CN 217582482 U CN217582482 U CN 217582482U CN 202221646965 U CN202221646965 U CN 202221646965U CN 217582482 U CN217582482 U CN 217582482U
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- butt joint
- main part
- joint main
- pressing block
- sleeve
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Abstract
The utility model belongs to the technical field of oil pump equipment, a plunger variable pump that transmission axle center is stable is disclosed, which comprises a bod, the rotor outer end fixedly connected with butt joint main part of organism, the inside movable mounting of butt joint main part has tight fixed main part of clamp, the outer wall sliding sleeve of butt joint main part has the protective sheath, the protective sheath is in the one end of butt joint main part dorsad and the rotor elastic connection of organism, the protective sheath cover is in the outside of pressing from both sides tight fixed main part, the butt joint main part includes butt joint cover, inserted bar and connecting block, first guide slot has been seted up with the equal fretwork of lower extreme in the upper end of butt joint cover, the spout has been seted up to the side symmetry of butt joint cover. The utility model discloses will dock the main part butt joint earlier, then will press from both sides tight fixed main part and alternate in the inside of butt joint main part, utilize to press from both sides tight fixed main part and press from both sides tight fixed butt joint main part for butt joint main part equipment back force center is the same with the axle center, makes butt joint main part equipment back axle center can remain stable.
Description
Technical Field
The utility model belongs to the technical field of oil pump equipment, especially, relate to a plunger variable pump that transmission axle center is stable.
Background
The oil pump is a light and compact pump, and has three major types, i.e., an in-line type, a distribution type and a single type. The oil pump can only be operated by a power source, a camshaft at the lower part of the oil pump is driven by a crankshaft gear of the engine, and the part of the oil pump is butted with the power source by screws.
When the conventional oil pump shaft is butted with a rotating shaft of a power source and a screw butting coordination source is adopted, the screws are unidirectionally pressed to fix the two shafts, so that the original centers of the two shafts have micro deviation, and the problem that the stability of a transmission central shaft of the conventional plunger variable pump is low is caused.
Therefore, a plunger variable pump with stable transmission axis is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the stability of the transmission center shaft of the conventional plunger variable pump is low on the side in the prior art, and the plunger variable pump with stable transmission shaft center is provided.
In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a stable plunger variable displacement pump in transmission axle center, includes the organism, the rotor outer end fixedly connected with butt joint main part of organism, the inside movable mounting of butt joint main part has tight fixed main part of clamp.
The butt joint main body is firstly butted, then the clamping fixing main body is inserted into the butt joint main body, and the butt joint main body is clamped and fixed by the clamping fixing main body, so that the stress center of the assembled butt joint main body is the same as the axis, and the axis can be kept stable after the assembled butt joint main body.
The outer wall of the butt joint main body is slidably sleeved with a protective sleeve, one end of the protective sleeve, back to the butt joint main body, is elastically connected with a rotor of the machine body, and the protective sleeve covers the outer side of the clamping and fixing main body.
Keep off in the outside of pressing from both sides tight fixed main part through the protective sheath, press from both sides tight fixed main part through sheltering from and avoid pressing from both sides tight fixed main part junction and hinder the people, touch the back when the user is careless, injury intensity when can reducing the device and use has improved the safety in utilization.
Preferably, the butt joint main part includes the butt joint cover, inserted bar and connecting block, first guide slot has been seted up with the equal fretwork of lower extreme in the upper end of butt joint cover, the spout has been seted up to the side symmetry of butt joint cover, the second guide slot has been seted up with the equal fretwork of lower extreme in the upper end of inserted bar.
The inserting rod is inserted into the butt joint sleeve, so that the inner space of the first guide groove is communicated with the inner space of the second guide groove, the clamping fixing body is inserted into the first guide groove and the second guide groove, the clamping fixing body is tightened, and the butt joint of the butt joint body is facilitated to fix.
Preferably, the clamping and fixing main body comprises a first pressing block, a bolt, a nut and a second pressing block, the bolt movably penetrates through the first pressing block and the second pressing block, and the nut is clamped inside the first pressing block.
Inside filling in first guide slot and second guide slot with first compact heap, second compact heap, block the nut on first compact heap upper portion again, run through first compact heap and second compact heap with the bolt at last, twist the bolt inside the nut with the help of the spanner, until screwing up the bolt, make first compact heap, second compact heap press from both sides tight fixed butt joint cover and inserted bar, made things convenient for the center of butt joint cover and inserted bar to keep coaxial.
Preferably, the upper part of the first pressing block is provided with a hexagonal groove, and the nut is movably clamped and matched with the hexagonal groove.
Through hexagonal prism groove joint nut, prevent that the nut from rotating, made things convenient for and screwed up the bolt.
Preferably, the protective sheath includes the cover body and spring, the cover body and spring fixed connection.
The position between the sleeve body and the butt joint main body is stabilized through the elasticity of the spring.
Preferably, the protective sleeve further comprises a rotation limiting strip, and the rotation limiting strip is fixedly connected to the inner end of the sleeve body.
The rotation of the sleeve body is limited by the rotation limiting strip, so that the stability of the sleeve body is further improved.
To sum up, the utility model discloses a technological effect and advantage: the butt joint main body is in butt joint, the clamping fixing main body is inserted into the butt joint main body, and the butt joint main body is clamped and fixed by the clamping fixing main body, so that the stress center of the assembled butt joint main body is the same as the axis, and the axis can be kept stable after the butt joint main body is assembled.
2. Keep off in the outside of pressing from both sides tight fixed main part through the protective sheath, press from both sides tight fixed main part through sheltering from and avoid pressing from both sides tight fixed main part junction and hinder the people, after the user touches carelessly, injury intensity when can reducing the device and use has improved the safety in utilization.
3. The first guide groove is communicated with the inner space of the second guide groove by inserting the inserted rod into the inner part of the butt sleeve.
4. The first pressing block and the second pressing block are plugged into the first guide groove and the second guide groove, the nut is clamped on the upper portion of the first pressing block, the bolt penetrates through the first pressing block and the second pressing block at last, the bolt is screwed into the nut with the help of a wrench, and the first pressing block and the second pressing block are enabled to clamp and fix the butt sleeve and the inserted bar until the bolt is screwed up, so that the centers of the butt sleeve and the inserted bar are kept coaxial.
Drawings
Fig. 1 is a schematic view of the overall cutting structure of the present invention;
fig. 2 is a schematic view of the split structure of the docking main body of the present invention;
fig. 3 is a schematic view of the cutting structure of the clamping and fixing body of the present invention;
fig. 4 is a schematic view of the protective sheath of the present invention.
In the figure: 1. a body; 2. butting the main bodies; 3. clamping the fixing body; 4. a protective sleeve; 21. butting sleeves; 22. a chute; 23. a first guide groove; 24. inserting a rod; 25. a second guide groove; 26. connecting blocks; 31. a first compact block; 32. a bolt; 33. a nut; 34. a second compact block; 35. a hexagonal groove; 41. a sleeve body; 42. a spring; 43. and (4) rotation limiting strips.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.
Referring to fig. 1, a plunger variable displacement pump with stable transmission axis comprises a body 1, a butt joint main body 2 fixedly connected to the outer end of a rotor of the body 1, and a clamping fixing main body 3 movably mounted inside the butt joint main body 2. When the butt joint main body 2 needs to be assembled, the butt joint main body 2 is firstly butted, then the clamping fixing main body 3 is inserted into the butt joint main body 2, and the butt joint main body 2 is clamped and fixed by the clamping fixing main body 3, so that the stress center of the butt joint main body 2 after being assembled is the same as the axis.
The outer wall sliding sleeve of butt joint main part 2 has protective sheath 4, and the one end of protective sheath 4 back to butt joint main part 2 is connected with the rotor elastic connection of organism 1, and protective sheath 4 covers in the outside of pressing from both sides tight fixed main part 3. Utilize protective sheath 4 fender in the outside of pressing from both sides tight fixed main part 3, avoid pressing from both sides tight fixed main part 3 junction and hinder the people through sheltering from tight fixed main part 3.
Referring to fig. 1 and 2, the docking main body 2 includes a docking sleeve 21, an insertion rod 24 and a connection block 26, one end of the connection block 26, which faces away from the insertion rod 24, is fixedly connected to a rotor of an external power device, the docking sleeve 21 is fixedly connected to an outer end of the rotor of the machine body 1, a first guide groove 23 is hollowed at an upper end and a lower end of the docking sleeve 21, sliding grooves 22 are symmetrically formed at a side end of the docking sleeve 21, and a second guide groove 25 is hollowed at an upper end and a lower end of the insertion rod 24. When assembling the docking body 2, the insertion rod 24 is inserted into the docking sleeve 21, so that the inner spaces of the first guide groove 23 and the second guide groove 25 are communicated, the clamping fixing body 3 is inserted into the first guide groove 23 and the second guide groove 25, the clamping fixing body 3 is tightened, and the docking sleeve 21 and the insertion rod 24 are fixed by the clamping fixing body 3.
Referring to fig. 2 and 3, the clamping fixing body 3 includes a first pressing block 31, a bolt 32, a nut 33 and a second pressing block 34, the first pressing block 31 and the second pressing block 34 are movably inserted into the first guide groove 23 and the second guide groove 25, the bolt 32 penetrates through the butting sleeve 21 and the insertion rod 24, the bolt 32 movably penetrates through the first pressing block 31 and the second pressing block 34, and the nut 33 is clamped inside the first pressing block 31. The first pressing block 31 and the second pressing block 34 are inserted into the first guide groove 23 and the second guide groove 25, the nut 33 is clamped on the upper portion of the first pressing block 31, finally the bolt 32 penetrates through the first pressing block 31 and the second pressing block 34, the bolt 32 is screwed into the nut 33 through a wrench until the bolt 32 is screwed, and the first pressing block 31 and the second pressing block 34 clamp and fix the butting sleeve 21 and the insertion rod 24.
Referring to fig. 3, a hexagonal groove 35 is formed in the upper portion of the first pressing block 31, and the nut 33 is movably clamped and matched with the hexagonal groove 35. The nut 33 is clamped by the hexagonal groove 35 to prevent the nut 33 from rotating.
Referring to fig. 1 and 4, the protective sheath 4 includes a sheath body 41 and a spring 42, the sheath body 41 covers the outer side of the clamping and fixing body 3, one end of the spring 42 opposite to the sheath body 41 is fixedly connected to the outer end of the rotor of the machine body 1, the protective sheath 4 is elastically connected to the rotor of the machine body 1 through the spring 42, and the sheath body 41 is fixedly connected to the spring 42. The position between the sleeve body 41 and the docking body 2 is stabilized by the elastic force of the spring 42.
Referring to fig. 2 and 4, the protection sleeve 4 further includes a rotation limiting bar 43, the rotation limiting bar 43 is slidably mounted inside the sliding groove 22, and the rotation limiting bar 43 is fixedly connected to the inner end of the sleeve body 41. The rotation of the sleeve body 41 is restricted by the rotation restricting bar 43.
The working principle is as follows: when assembling the docking body 2, the insertion rod 24 is inserted into the docking sleeve 21, so that the inner space of the first guide groove 23 is communicated with the inner space of the second guide groove 25, the first pressing block 31 and the second pressing block 34 are inserted into the first guide groove 23 and the second guide groove 25, the nut 33 is clamped on the upper portion of the first pressing block 31, finally, the bolt 32 penetrates through the first pressing block 31 and the second pressing block 34, the bolt 32 is screwed into the nut 33 by means of a wrench, and the bolt 32 is screwed until the bolt 32 is screwed, so that the docking sleeve 21 and the insertion rod 24 are clamped and fixed by the first pressing block 31 and the second pressing block 34.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a stable plunger variable displacement pump in transmission axle center, includes organism (1), its characterized in that: the outer end of the rotor of the machine body (1) is fixedly connected with a butt joint main body (2), and a clamping fixing main body (3) is movably arranged in the butt joint main body (2); the outer wall sliding sleeve of butt joint main part (2) has protective sheath (4), protective sheath (4) one end and the rotor elastic connection of organism (1) of butt joint main part (2) dorsad, protective sheath (4) cover is in the outside of pressing from both sides tight fixed main part (3).
2. The plunger variable displacement pump with stable transmission axis as claimed in claim 1, wherein: butt joint main part (2) are including butt joint cover (21), inserted bar (24) and connecting block (26), first guide slot (23) have been seted up with the equal fretwork of lower extreme in the upper end of butt joint cover (21), spout (22) have been seted up to the side symmetry of butt joint cover (21), second guide slot (25) have been seted up with the equal fretwork of lower extreme in the upper end of inserted bar (24).
3. The plunger variable displacement pump with stable transmission axis as claimed in claim 2, wherein: the protective sleeve (4) comprises a sleeve body (41) and a spring (42), and the sleeve body (41) is fixedly connected with the spring (42).
4. A stable drive axis plunger variable displacement pump as defined in claim 3, wherein: the protective sleeve (4) further comprises a rotation limiting strip (43), and the rotation limiting strip (43) is fixedly connected to the inner end of the sleeve body (41).
5. The plunger variable displacement pump with stable transmission axis as claimed in claim 1, wherein: the clamping fixing body (3) comprises a first pressing block (31), a bolt (32), a nut (33) and a second pressing block (34), the bolt (32) movably penetrates through the first pressing block (31) and the second pressing block (34), and the nut (33) is clamped inside the first pressing block (31).
6. The plunger variable displacement pump with stable transmission shaft center as claimed in claim 5, wherein: hexagonal groove (35) have been seted up on the upper portion of first compact heap (31), nut (33) and hexagonal groove (35) activity joint match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221646965.4U CN217582482U (en) | 2022-06-28 | 2022-06-28 | Plunger variable pump with stable transmission axis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221646965.4U CN217582482U (en) | 2022-06-28 | 2022-06-28 | Plunger variable pump with stable transmission axis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217582482U true CN217582482U (en) | 2022-10-14 |
Family
ID=83531573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221646965.4U Active CN217582482U (en) | 2022-06-28 | 2022-06-28 | Plunger variable pump with stable transmission axis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217582482U (en) |
-
2022
- 2022-06-28 CN CN202221646965.4U patent/CN217582482U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 226200 No. 288, Jinxiu Road, Qidong Economic Development Zone, Nantong City, Jiangsu Province Patentee after: Jiangsu Jinrun Hydraulic Co.,Ltd. Address before: 226200 No. 288, Jinxiu Road, Qidong Economic Development Zone, Nantong City, Jiangsu Province Patentee before: Jiangsu Jinrun Hydraulic Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |