Polygonal oil flinger applied to screw vacuum pump

By designing a polygonal oil slinger in a dry screw vacuum pump, and utilizing guide blocks and through-hole structures, the problem of uneven lubrication was solved, achieving uniform oil slinging and stable operation, thus improving the equipment's performance.

CN223523964UActive Publication Date: 2025-11-07HANGZHOU BINTE TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423122744.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-11-07
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

In dry screw vacuum pumps, installing an oil slinger on only one side results in poor lubrication on the other side, affecting operational stability and noise.

Method used

Design a polygonal oil slinger, including guide blocks and through holes, which is installed on the active rotor and the driven rotor. The guide blocks increase the amount of lubricating oil thrown and avoid collisions, thereby achieving uniform oil throwing.

Benefits of technology

It improves the amount and uniformity of lubricating oil spray, avoids the lubricating oil from soaking and colliding with the oil slinger, reduces load and noise, and improves operational stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of screw vacuum pumps, and particularly relates to a polygonal oil flinger applied to a screw vacuum pump, the left side of a shell is fixedly provided with an oil storage bin, a plate body of the oil storage bin is rotatably connected with a driven rotor in a penetrating manner, and the left side and the right side of a cylinder of the driven rotor are respectively connected with a bearing II in a sleeving manner; the driven rotor is connected with a driving rotor in a meshed mode, the left side and the right side of a cylinder of the driving rotor are connected with first bearings in a sleeved mode respectively, the cylinder of the driving rotor penetrates through and is rotationally connected to a shell body of the shell, the left end of the driven rotor is fixedly connected with an oil flinger, and the left side of the driving rotor is fixedly connected with an oil flinger. The guide blocks are arranged on the straight line edges of the oil flingers to increase the throwing amount of lubricating oil, a space is formed in the positions where the oil flingers are located due to the fact that part of the lubricating oil is thrown out by the oil flingers, the two oil flingers are not soaked by the lubricating oil, and therefore the situation that the lowest position of a traditional circular oil flinger is soaked in the lubricating oil all the time, and the lubricating effect is affected is avoided. And a certain load of resistance is generated when the lubricating oil is stirred all the time.
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Description

TECHNICAL FIELD

[0001] The utility model relates to screw vacuum pump field, concretely is a kind of polygon oil throwing disc applied to screw vacuum pump. BACKGROUND

[0002] Dry screw vacuum pump is a kind of air-extracting equipment using a pair of screw to produce suction and exhaust action in the pump shell, the pair of screw (called driving rotor, driven rotor respectively) is installed in gear box, driven by synchronous gear, there is a certain gap between screw and screw, so there is no friction between each other when pump works, runs smoothly, low noise, and the working cavity does not need lubricating oil, circular oil throwing disc is arranged in the driving gear part of driving rotor to throw lubricating oil in gear box to gear part for lubrication.

[0003] Because the scale of lubricating oil in gear box is low, and the diameter of oil throwing disc is greater than gear, so only one side of driving rotor can be installed with oil throwing disc during assembly, dry screw vacuum pump has driving rotor side and driven rotor side, and if only one side is installed with oil throwing disc, the lubrication effect of the other side can be poor, therefore, a kind of polygon oil throwing disc applied to screw vacuum pump is provided for the above problems. UTILITY MODEL CONTENTS

[0004] In order to make up for the deficiency of prior art, the utility model provides a kind of polygon oil throwing disc applied to screw vacuum pump.

[0005] The utility model discloses a kind of polygon oil throwing disc applied to screw vacuum pump, and the technical scheme to solve its technical problem is as follows: a kind of polygon oil throwing disc applied to screw vacuum pump, including shell, the left side of the shell is fixedly arranged with oil storage warehouse, the plate body of the oil storage warehouse is rotatably connected with driven rotor, the left and right sides of the driven rotor column body are respectively connected with bearing two by sleeve, the driven rotor is engaged with driving rotor, the left and right sides of the driving rotor column body are respectively connected with bearing one by sleeve, the column body of the driving rotor is rotatably connected in the shell of shell, the left end of the driven rotor is fixedly connected with oil throwing disc, the left side of the driving rotor is fixedly connected with oil throwing disc;

[0006] As preferred, the oil throwing disc includes: through-hole, sleeve hole, guide block, the middle part of the oil throwing disc block is provided with sleeve hole, the fast body of the through-hole is provided with multiple through-holes, the straight line side of the oil throwing disc outside is fixedly connected with guide block;

[0007] As preferred, the driving rotor further includes: gear one, inner thread column one, fastening bolt one, the left side of the driving rotor column body is fixedly connected with gear one, the left side of the gear one is fixedly connected with multiple inner thread columns one, and the fastening bolt one is used to fix the oil throwing disc on the inner thread column one;

[0008] As preferred, the driven rotor further comprises: gear two, inner wire column two, fastening bolt two, the column body on the left side of the driven rotor is fixedly connected with gear two, a plurality of inner wire column two are fixedly connected on the left side of the gear two, and the fastening bolt two is used for fixing the oil throwing disc on the inner wire column two.

[0009] The utility model discloses the beneficial effect that:

[0010] The utility model discloses a linear side of oil throwing disc sets up guide block and increases the projection amount of lubricating oil, the position of oil throwing disc, will because oil throwing disc will part lubricating oil throw and appear a space, make two oil throwing discs not be soaked by lubricating oil, thereby avoided traditional circular oil throwing disc lowest place always immersed in lubricating oil, also belong to always in the agitation lubricating oil produced resistance, have certain load, simultaneously, the oil throwing disc is designed as triangular design and can be installed on gear two and gear one simultaneously, make the sharp corner part on the gear two oil throwing disc align the linear part of oil throwing disc on gear one, so two oil throwing discs when rotating will not appear the interference condition, avoid two oil throwing discs and produce the collision, two guide blocks turn to different, make two guide blocks when the agitation lubricating oil, the projection amount of lubricating oil is increased, and can throw and scatter more evenly lubricating oil. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the embodiment or prior art description needed to use the drawing briefly introduce, obviously, below description's drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0012] Fig. 1 It is the internal structure schematic diagram of the utility model;

[0013] Fig. 2 It is the structure schematic diagram of gear one, gear two and oil throwing disc of the utility model;

[0014] Fig. 3 It is the structure schematic diagram of oil throwing disc of the utility model.

[0015] In the drawing:

[0016] 1, shell;11, oil storage warehouse;2, driven rotor;21, gear two;211, inner wire column two;212, fastening bolt two;3, driving rotor;31, gear one;311, inner wire column one;312, fastening bolt one;4, bearing two;5, bearing one;6, oil throwing disc;61, through hole;62, sleeve joint hole;63, guide block. DETAILED DESCRIPTION

[0017] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0018] 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. Figs. 1-3 The present application will be further described in detail,

[0019] The embodiment of the present application discloses a polygon oil throwing disc applied to a screw vacuum pump, which comprises a shell 1, a storage bin 11 is fixedly arranged on the left side of the shell 1, a driven rotor 2 is rotationally connected to the plate body of the storage bin 11, bearings two 4 are respectively connected to the left and right sides of the column body of the driven rotor 2, a driving rotor 3 is meshingly connected to the driven rotor 2, bearings one 5 are respectively connected to the left and right sides of the column body of the driving rotor 3, the column body of the driving rotor 3 is rotationally connected to the shell of the shell 1, an oil throwing disc 6 is fixedly connected to the left end of the driven rotor 2, and the oil throwing disc 6 is fixedly connected to the left side of the driving rotor 3.

[0020] The oil throwing disc 6 comprises a through hole 61, a sleeving hole 62 and a guide block 63, the sleeving hole 62 is arranged in the middle of the block body of the oil throwing disc 6, a plurality of through holes 61 are arranged in the fast body of the oil throwing disc 6, and the linear edge on the outer side of the oil throwing disc 6 is fixedly connected with the guide block 63.

[0021] The driving rotor 3 further comprises a gear one 31, inner thread columns one 311 and fastening bolts one 312, the gear one 31 is fixedly connected to the left side of the column body of the driving rotor 3, the left side of the gear one 31 is fixedly connected with a plurality of inner thread columns one 311, and the fastening bolts one 312 are used for fixing the oil throwing disc 6 on the inner thread columns one 311.

[0022] The driven rotor 2 further comprises a gear two 21, inner thread columns two 211 and fastening bolts two 212, the gear two 21 is fixedly connected to the column body on the left side of the driven rotor 2, the left side of the gear two 21 is fixedly connected with a plurality of inner thread columns two 211, and the fastening bolts two 212 are used for fixing the oil throwing disc 6 on the inner thread columns two 211.

[0023] Working principle: the left side of gear one 31 and gear two 21 respectively installed in the oil throwing plate 6, in the driven rotor 2 and the driving rotor 3 does not rotate, the oil throwing plate 6 is located in the storage oil 11 in the lubricating oil, when the driving rotor 3 driven from the driven rotor 2 rotates, the position of the two oil throwing plate 6, will because the oil throwing plate 6 will throw a part of the lubricating oil and appear a space, so that the two oil throwing plate 6 is not immersed in the lubricating oil, so as to avoid the traditional circular oil throwing plate lowest place is always immersed in the lubricating oil, also belongs to always in the stirring lubricating oil produces the resistance, has certain load, and in the gear two 21 and gear one 31 rotates, gear two 21 and gear one 31 respectively drive the oil throwing plate 6 connected with each other to rotate, the initial position of the two oil throwing plate 6 is, the oil throwing plate 6 sharp corner part on the gear two 21 is aligned with the straight line part of the oil throwing plate 6 on the gear one 31, so that the two oil throwing plate 6 rotates without interference, avoid the two oil throwing plate 6 collision, when the oil throwing plate 6 rotates, the guide block 63 is immersed in the lubricating oil, the connecting part of the guide block 63 and the oil throwing plate 6 has a certain bending, because the driving rotor 3 drives the gear one 31 to rotate, the gear two 21 rotates to the left, so the position of the guide block 63 on the two oil throwing plate 6 is not the same, the guide block 63 fixed on the oil throwing plate 6 on the gear one 31 is on the left side of the lubricating oil, and the guide block 63 fixed on the oil throwing plate 6 on the gear two 21 is on the right side of the lubricating oil, the two guide blocks 63 turn in different directions, so that the two guide blocks 63 throw more lubricating oil when stirring the lubricating oil, and the lubricating oil can be thrown more evenly, and the inner thread column two 211 and the inner thread column one 311 on the gear two 21 and the gear one 31 can accurately fix the oil throwing plate 6, and the oil throwing plate 6 is set to triangle and quadrilateral, which is the best, when designed as pentagon, the two oil throwing plate 6 exists interference, and cannot achieve the effect of reducing load.

[0024] The straight line of the oil throwing plate 6 is provided with the guide block 63 to increase the throwing amount of the lubricating oil, the position of the oil throwing plate 6, will because the oil throwing plate 6 will throw a part of the lubricating oil and appear a space, so that the two oil throwing plate 6 is not immersed in the lubricating oil, so as to avoid the traditional circular oil throwing plate lowest place is always immersed in the lubricating oil, also belongs to always in the stirring lubricating oil produces the resistance, has certain load, at the same time, the oil throwing plate 6 is designed as triangle, which can be installed on the gear two 21 and the gear one 31 at the same time, so that the oil throwing plate 6 sharp corner part on the gear two 21 is aligned with the straight line part of the oil throwing plate 6 on the gear one 31, so that the two oil throwing plate 6 rotates without interference, avoid the two oil throwing plate 6 collision, the two guide blocks 63 turn in different directions, so that the two guide blocks 63 throw more lubricating oil when stirring the lubricating oil, and the lubricating oil can be thrown more evenly.

[0025] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A polygonal oil throwing plate applied to a screw vacuum pump, comprising a shell (1), an oil storage bin (11) is fixedly arranged on the left side of the shell (1), characterized in that: The plate body of the oil storage bin (11) is rotatably connected with a driven rotor (2), the left and right sides of the column body of the driven rotor (2) are respectively sleeved with bearings two (4), the driven rotor (2) is meshedly connected with a driving rotor (3), the left and right sides of the column body of the driving rotor (3) are respectively sleeved with bearings one (5), the column body of the driving rotor (3) is rotatably connected with the shell of the shell (1), the left end of the driven rotor (2) is fixedly connected with an oil throwing disc (6), and the left side of the driving rotor (3) is fixedly connected with an oil throwing disc (6). The oil throwing disc (6) comprises a through hole (61), a sleeving hole (62) and a guide block (63), the middle part of the block body of the oil throwing disc (6) is provided with the sleeving hole (62), a plurality of through holes (61) are formed in the fast body of the through hole (61), and the linear side of the outer side of the oil throwing disc (6) is fixedly connected with the guide block (63).

2. A polygonal oil slinger for use in a screw vacuum pump according to claim 1, characterized in that: The driving rotor (3) further comprises a gear one (31), an inner thread column one (311) and a fastening bolt one (312), the left side of the column body of the driving rotor (3) is fixedly connected with the gear one (31), the left side of the gear one (31) is fixedly connected with a plurality of inner thread column ones (311), and the fastening bolt one (312) is used for fixing the oil throwing disc (6) on the inner thread column one (311).

3. A polygonal oil slinger for use in a screw vacuum pump according to claim 2, characterized in that: The driven rotor (2) further comprises a gear two (21), an inner thread column two (211) and a fastening bolt two (212), the left side of the column body of the driven rotor (2) is fixedly connected with the gear two (21), the left side of the gear two (21) is fixedly connected with a plurality of inner thread column two (211), and the fastening bolt two (212) is used for fixing the oil throwing disc (6) on the inner thread column two (211).