CN211343274U - Crankshaft oil baffle cap of piston compressor and crankshaft - Google Patents
Crankshaft oil baffle cap of piston compressor and crankshaft Download PDFInfo
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- CN211343274U CN211343274U CN201922170473.7U CN201922170473U CN211343274U CN 211343274 U CN211343274 U CN 211343274U CN 201922170473 U CN201922170473 U CN 201922170473U CN 211343274 U CN211343274 U CN 211343274U
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Abstract
The utility model discloses a crankshaft oil baffle cap of a piston compressor and a crankshaft, wherein the crankshaft oil baffle cap is provided with a circular cap top and a circular arc-shaped cap edge; the middle part of the hat top, which is positioned on one surface of the hat edge, is provided with a connecting column, and the connecting column is provided with an axial inner hole and a radial first through hole; a second through hole corresponding to the first through hole is formed in the hat edge; a plurality of open grooves are uniformly arranged on the hat brim in a staggered manner at intervals, and at least one open groove, the first through hole and the second through hole are positioned on the same axis; a third through hole corresponding to the first through hole is formed in the crankshaft and is fixedly connected with the first through hole through a screw; through set up this bent axle oil baffle cap on the bent axle can change and disperse the lubricating oil that rises along the bent axle, make it can enough lubricate the piston, can not cause the oil mass too big again, too fast, play better lubricated and noise reduction's effect.
Description
Technical Field
The utility model relates to compressor crankshaft technical field, concretely relates to piston compressor's bent axle oil baffle cap and bent axle.
Background
The existing crankshaft oil way is in a spiral mode, the compressor lubricating oil is splashed out in a splashing mode, the rotating speed of the compressor is higher, the oil quantity at the top of the crankshaft is higher, the compressor oil is easy to discharge when the oil quantity is too large, and the oil quantity stroke splashes to the upper cover to cause noise vibration.
At present, the structure of a crankshaft oil baffle cap in a piston compressor (such as used in a refrigerator and an air conditioner) is mostly that an oil baffle plate or an oil seal is arranged at the end part of a crankshaft, so that the oil baffle cap can play an oil baffle role to a certain extent, but the lubrication of a piston can also be influenced, and the blocked oil is not dispersed and homogenized.
Disclosure of Invention
The utility model aims at providing a piston compressor's bent axle oil deflector cap and bent axle to the problem that prior art exists.
In order to achieve the above object, the utility model adopts the following technical scheme:
a crankshaft oil baffle cap of a piston compressor is provided with a circular cap top and a circular arc-shaped cap edge;
the middle part of the hat top, which is positioned on one surface of the hat edge, is provided with a connecting column, and the connecting column is provided with an axial inner hole and a radial first through hole; the first through hole radially penetrates through the outer peripheral surface of the connecting column;
a second through hole corresponding to the first through hole is formed in the hat edge, and the second through hole and the first through hole are located on the same axis; the cap edge is provided with a plurality of open grooves which are staggered with the first through holes at even intervals, and at least one open groove, the first through hole and the second through hole are positioned on the same axis.
The crankshaft oil baffle cap is internally provided with the connecting column which is clamped with the crankshaft and communicated with an oil way of the crankshaft, lubricating oil rising along the crankshaft passes through the blocking of the oil baffle cap, the stroke of the oil way is broken and dispersed, so that the piston can be lubricated, and oil discharge and noise caused by overlarge oil quantity and too fast oil production can be avoided.
The cap edge and the open slot can change the oil outlet route and the oil outlet quantity of the piston compressor, so that lubricating oil forms an umbrella-shaped state, and the effects of lubricating and reducing noise can be better achieved;
the open slot, first through-hole, the second through-hole reaches the area size of hole all can be adjusted according to the piston compressor's of assembly oil output size.
The cap top, the cap edge and the connecting column are integrally formed, so that the crankshaft oil baffle cap is simple in overall structure, easy to manufacture and process and free of increasing production difficulty.
Furthermore, the open slot is an axial groove formed in the cap edge.
Further, the diameter of the first through hole is the same as that of the second through hole; the inner contour dimension of the open slot is larger than that of the first through hole.
Furthermore, the number of the open grooves is three, and the open grooves are distributed at intervals of 120 degrees in the circumferential direction.
Further, the length of the connecting column along the circumferential direction is less than or equal to the length of the cap edge along the axial direction.
Further, the inner hole is located on the central axis of the connecting column and extends inwards to the cap top. The hole can play the effect of buffering and oil storage, redistributes excessive oil.
A crankshaft with the crankshaft oil baffle cap is characterized in that a radial third through hole is formed in the upper end portion of the crankshaft, and the third through hole is the same as the first through hole in size and is arranged correspondingly; the outer diameter of the connecting column is smaller than or equal to the inner diameter of the upper end part of the crankshaft, and the connecting column is sleeved in an upper end hole of the crankshaft and fixed through screws, bolts or pins; the screw, bolt or pin is inserted through the third through hole and the first through hole.
Furthermore, an installation groove is arranged on the outer circumference of the upper end surface of the crankshaft and is positioned at the third through hole; the mounting groove is matched with the head of the screw, the bolt or the pin.
Furthermore, the upper end of the crankshaft is also sleeved with a connecting rod, and the outer diameter of a connecting shaft of the connecting rod is smaller than the inner diameter of the crankshaft oil baffle cap.
The first through holes and the second through holes on the crankshaft oil baffle cap correspond to the third through holes on the crankshaft one by one and are matched, the first through holes, the second through holes and the third through holes are threaded holes, and the first through holes, the second through holes and the third through holes are matched with screw connection for fixation, so that the first through holes, the second through holes and the third through holes can be effectively and quickly connected and fixed together.
During installation, the connecting rod is sleeved on the upper end part of the crankshaft; the crankshaft oil baffle cap is arranged on the crankshaft, the connecting column is sleeved and clamped in a shaft hole at the upper end part of the crankshaft, and the cap edge covers the upper end part of the crankshaft and the end part of the connecting rod from the periphery; the crankshaft oil baffle cap is rotationally adjusted to enable the first through hole, the second through hole and the third through hole to correspond to each other and be positioned on the same axis; and inserting and fixing the screw, the bolt or the pin, and finishing the installation of the crankshaft oil baffle cap.
When the lubricating oil device works, lubricating oil rising along the oil path of the crankshaft is blocked by the crankshaft oil blocking cap, oil outlet routes are changed and dispersed to form an umbrella-shaped state, the oil outlet amount on each route is reduced and homogenized, and better lubricating and noise reducing effects are achieved.
Compared with the prior art, the beneficial effects of the utility model are that: 1. the crankshaft oil baffle cap is arranged on the crankshaft, so that lubricating oil rising along the crankshaft can be changed and dispersed, the piston can be lubricated, and oil discharge and noise caused by overlarge oil quantity and overquick oil discharge can be avoided; 2. the cap edge and the open slot can change the oil outlet route and the oil outlet quantity of the piston compressor, so that lubricating oil forms an umbrella-shaped state, the oil outlet quantity on each route is reduced and homogenized, and better lubricating and noise reducing effects are achieved; 3. the cap top, the cap edge and the connecting column are integrally formed, so that the crankshaft oil baffle cap is simple in overall structure, easy to manufacture and process and free of increasing production difficulty; 4. through the cooperation of the block of the connecting column, the through holes in one-to-one correspondence and the screws, the bolts or the pins, the crankshaft oil baffle cap is easy to assemble and disassemble and is suitable for various piston compressors.
Drawings
Fig. 1 is a schematic perspective view of a crankshaft oil deflector cap of a piston compressor according to the present invention;
fig. 2 is a schematic view of a three-dimensional structure of a crankshaft engaged with an oil baffle cap of the crankshaft of the present invention;
fig. 3 is a schematic view of a three-dimensional structure of the crankshaft oil deflector cap of the present invention in cooperation with a crankshaft;
FIG. 4 is a schematic cross-sectional view of the crankshaft oil deflector cap of the present invention engaged with a crankshaft;
FIG. 5 is a schematic view of the three-dimensional structure of the crankshaft oil deflector cap, the crankshaft and the connecting rod of the present invention;
in the figure: 1. a crankshaft oil baffle cap; 101. a crown; 102. a hat brim; 103. connecting columns; 104. an inner bore; 105. a first through hole; 106. a second through hole; 107. an open slot; 2. a crankshaft; 201. an upper end portion; 202. a third through hole; 203. mounting grooves; 3. a connecting rod; 4. screw nail
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "middle", "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third," etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The first embodiment is as follows:
as shown in fig. 1, a crankshaft oil baffle cap of a piston compressor, the crankshaft oil baffle cap 1 has a circular crown 101 and a circular arc-shaped cap edge 102;
a connecting column 103 is arranged in the middle of one surface of the hat top 101, which is positioned on the hat edge 102, and the connecting column 103 is provided with an axial inner hole 104 and a radial first through hole 105; the first through hole 105 radially penetrates through the outer peripheral surface of the connecting column 103;
a second through hole 106 corresponding to the first through hole 105 is formed in the hat brim 102, and the second through hole 106 and the first through hole 105 are located on the same axis; the brim 102 is provided with three open grooves 107 staggered from the first through holes 105 at even intervals, wherein one of the open grooves 107 is positioned on the same axis as the first through hole 105 and the second through hole 106.
The crankshaft oil baffle cap is clamped with the crankshaft through the connecting column 103 arranged in the crankshaft oil baffle cap and communicated with an oil way of the crankshaft, lubricating oil rising along the crankshaft passes through the oil baffle cap to block, the stroke of the oil way is broken and dispersed, so that the piston can be lubricated, and oil discharge and noise caused by overlarge oil quantity and too fast oil production can be avoided.
The cap edge 102 and the open slot 107 can change the oil outlet route and the oil outlet quantity of the piston compressor, so that lubricating oil forms an umbrella-shaped state, and the effects of lubricating and reducing noise can be better achieved;
the area of the opening groove 107, the area of the first through hole 105, the area of the second through hole 106 and the area of the inner hole 104 can be adjusted according to the oil output of the assembled piston compressor.
The cap top 101, the cap edge 102 and the connecting column 103 are integrally formed, so that the crankshaft oil baffle cap is simple in overall structure, easy to manufacture and process and free of increasing production difficulty.
Further, the opening groove 107 is an axial groove formed in the cap edge.
Further, the diameter of the first through hole 105 is the same as that of the second through hole 106; the inner contour dimension of the open groove 107 is larger than the inner contour dimension of the first through hole 105.
Further, the open grooves 107 are distributed at intervals of 120 degrees in the circumferential direction.
Further, the length of the connecting column 103 in the circumferential direction is smaller than the length of the cap edge 102 in the axial direction.
Further, the inner hole 104 is located on the central axis of the connecting column 103 and extends inward to the crown 101. The inner bore 104 can act as a buffer and reservoir for oil, redistributing excess oil.
Example two:
as shown in fig. 2, in a crankshaft having the crankshaft oil baffle cap according to the first embodiment, a radial third through hole 202 is formed in an upper end portion 201 of the crankshaft 2, and the third through hole 202 is the same in size as and corresponds to the first through hole 105; the outer diameter of the connecting column 103 is slightly smaller than the inner diameter of the upper end part 201 of the crankshaft 2, and the connecting column 103 is sleeved in the shaft hole of the upper end part 201 and fixed through a screw; the screw is inserted through the third through hole, the second through hole and the first through hole.
Further, an installation groove 203 is arranged on the outer circumference of the upper end 201 of the crankshaft 2, and the installation groove 203 is located at the third through hole 202; the mounting groove 203 is fitted with the head of the screw.
Example three:
the embodiment provides an assembly mode of the crankshaft oil baffle cap and the crankshaft in the first embodiment and the second embodiment.
As shown in fig. 3 and 4, the crankshaft oil deflector cap 1 is mounted on an upper end 201 of the crankshaft 2; the connecting column 103 is just clamped in the shaft hole of the upper end 201, and the screw 4 penetrates through the third through hole 202 and the first through hole 105 and is fixed in a threaded manner.
In this case, there is also a gap between the end face of the crankshaft 2 and the crown 101, and the screw 4 does not extend to the second through hole 106. The second through hole 106 and the opening groove 107 are arranged to change and disperse the oil path, and facilitate the installation and fixation of the screw 4.
Example four:
the embodiment provides an assembly mode of the crankshaft oil baffle cap, the crankshaft and the connecting rod in the first embodiment and the second embodiment.
Usually, the crankshaft is used with a connecting rod when in use; the upper end of the crankshaft 2 is sleeved with a connecting rod 3, and the outer diameter of a connecting shaft of the connecting rod 3 is smaller than the inner diameter of the crankshaft oil baffle cap 1.
Specifically, as shown in fig. 5, during installation, the connecting rod 3 is sleeved on the upper end of the crankshaft 2; then the crankshaft oil baffle cap 1 is arranged on a crankshaft 2, the connecting column 103 is sleeved and clamped in an upper end shaft hole of the crankshaft 2, and the cap edge 102 covers the upper end of the crankshaft 2 and the end of the connecting rod 3 from the periphery; the crankshaft oil baffle cap 1 is rotationally adjusted to enable the first through hole, the second through hole and the third through hole to correspond to each other and be located on the same axis; and then the screw 4 is inserted and fixed, and the crankshaft oil baffle cap 1 is finished.
When the lubricating oil device works, lubricating oil rising along the oil path of the crankshaft 2 is blocked by the crankshaft oil blocking cap 1, oil outlet routes are changed and dispersed to form an umbrella-shaped state, the oil outlet amount on each route is reduced and homogenized, and better lubricating and noise reducing effects are achieved.
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 (9)
1. The crankshaft oil baffle cap of the piston compressor is characterized in that the crankshaft oil baffle cap is provided with a circular cap top and a circular arc-shaped cap edge;
the middle part of the hat top, which is positioned on one surface of the hat edge, is provided with a connecting column, and the connecting column is provided with an axial inner hole and a radial first through hole; the first through hole radially penetrates through the outer peripheral surface of the connecting column;
a second through hole corresponding to the first through hole is formed in the hat edge, and the second through hole and the first through hole are located on the same axis; the cap edge is provided with a plurality of open grooves which are staggered with the first through holes at even intervals, and at least one open groove, the first through hole and the second through hole are positioned on the same axis.
2. The crankshaft oil deflector cap of claim 1, wherein the open groove is an axial groove formed in the cap rim.
3. The crankshaft oil deflector cap of a piston compressor according to claim 1, wherein a diameter of the first through hole is the same as a diameter of the second through hole; the inner contour dimension of the open slot is larger than that of the first through hole.
4. The crankshaft oil deflector cap of the piston compressor as claimed in claim 1, wherein the number of the open grooves is three, and the open grooves are circumferentially spaced at 120 degrees.
5. The crankshaft oil deflector cap of claim 1, wherein the length of the connecting post in the circumferential direction is less than or equal to the length of the cap rim in the axial direction.
6. The piston compressor crankshaft oil deflector cap of claim 1, wherein said inner bore is located on the center axis of said attachment post, extending inwardly to said crown.
7. A crankshaft having a crankshaft oil deflector cap of a piston compressor according to claim 1, wherein an upper end portion of the crankshaft is provided with a third through hole in a radial direction, the third through hole having the same size as and being disposed corresponding to the first through hole; the outer diameter of the connecting column is smaller than or equal to the inner diameter of the upper end part of the crankshaft, and the connecting column is sleeved in an upper end hole of the crankshaft and fixed through screws, bolts or pins; the screw, bolt or pin is inserted through the third through hole and the first through hole.
8. The crankshaft of the crankshaft oil deflector cap of the piston compressor as claimed in claim 7, wherein an installation groove is provided on an outer circumference of an upper end surface of the crankshaft, the installation groove being located at the third through hole; the mounting groove is matched with the head of the pin.
9. The crankshaft of the crankshaft oil deflector cap of the piston compressor as claimed in claim 7, wherein a connecting rod is further sleeved at an upper end of the crankshaft, and an outer diameter of a connecting shaft of the connecting rod is smaller than an inner diameter of the crankshaft oil deflector cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922170473.7U CN211343274U (en) | 2019-12-06 | 2019-12-06 | Crankshaft oil baffle cap of piston compressor and crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922170473.7U CN211343274U (en) | 2019-12-06 | 2019-12-06 | Crankshaft oil baffle cap of piston compressor and crankshaft |
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| CN211343274U true CN211343274U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922170473.7U Active CN211343274U (en) | 2019-12-06 | 2019-12-06 | Crankshaft oil baffle cap of piston compressor and crankshaft |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228305A (en) * | 2020-09-27 | 2021-01-15 | 广州万宝集团压缩机有限公司 | Connecting rod, compressor and thermoregulation device |
| CN113653624A (en) * | 2021-09-18 | 2021-11-16 | 青岛万宝压缩机有限公司 | Compressor is with directional oily mechanism and refrigerator compressor of getting rid of |
-
2019
- 2019-12-06 CN CN201922170473.7U patent/CN211343274U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228305A (en) * | 2020-09-27 | 2021-01-15 | 广州万宝集团压缩机有限公司 | Connecting rod, compressor and thermoregulation device |
| CN113653624A (en) * | 2021-09-18 | 2021-11-16 | 青岛万宝压缩机有限公司 | Compressor is with directional oily mechanism and refrigerator compressor of getting rid of |
| CN113653624B (en) * | 2021-09-18 | 2023-03-10 | 青岛万宝压缩机有限公司 | Compressor is with directional oily mechanism and refrigerator compressor of getting rid of |
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| TR01 | Transfer of patent right |
Effective date of registration: 20210616 Address after: No.6, East Jinshan Avenue, Huangshi economic and Technological Development Zone, Huangshi City, Hubei Province Patentee after: Huangshi Dongbei Compressor Co.,Ltd. Address before: No.6, East Jinshan Avenue, Huangshi economic and Technological Development Zone, Huangshi City, Hubei Province Patentee before: Huangshi Dongbei Electrical Appliance Co.,Ltd. |