CN216077574U - Screw type double-claw vacuum pump rotor - Google Patents
Screw type double-claw vacuum pump rotor Download PDFInfo
- Publication number
- CN216077574U CN216077574U CN202122720757.6U CN202122720757U CN216077574U CN 216077574 U CN216077574 U CN 216077574U CN 202122720757 U CN202122720757 U CN 202122720757U CN 216077574 U CN216077574 U CN 216077574U
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- plug
- fixed
- vacuum pump
- outer side
- clamping
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- 244000023431 Proboscidea parviflora Species 0.000 title claims abstract description 19
- 235000019096 Proboscidea parviflora Nutrition 0.000 title claims abstract description 19
- 210000000078 claw Anatomy 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011197 physicochemical method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses a screw type double-claw vacuum pump rotor, which belongs to the technical field of vacuum pump rotors, wherein a second plug-in component and a first plug-in component are respectively sleeved at the outer side of a clamping component formed by combining a limiting fixed cylinder and a convex clamping component, stable clamping and fixing can be realized through the matching of the second plug-in component and the first plug-in component with the limiting fixed cylinder and the convex clamping component, the problem that the rotor is separated from a rotating shaft after deformation is avoided when the screw type double-claw vacuum pump rotor is used for a long time, and the problem of centrifugal rotation is reduced.
Description
Technical Field
The utility model relates to a vacuum pump rotor, in particular to a spiral double-claw vacuum pump rotor, and belongs to the technical field of vacuum pump rotors.
Background
The vacuum pump refers to a device or equipment for obtaining vacuum by pumping a pumped container by using a mechanical, physical, chemical or physicochemical method. In general, a vacuum pump is a device for improving, generating and maintaining a vacuum in a certain closed space by various methods.
Vacuum pumps can be basically classified into two types, i.e., a gas trap pump and a gas transfer pump, according to the operating principle of the vacuum pump. It is widely used in metallurgy, chemical industry, food, electronic coating and other industries.
The rotor of the vacuum pump in the prior art has the following problems when in use:
the fixed mode is convenient and not stable inadequately and when the installation is fixed, then when using for a long time because long-term atress leads to deformation to produce the clearance between rotor and the pivot and the problem of vibrations or centrifugal rotation appears, in addition also not stable enough and convenient on the mode that the side shift was prevented to the rotor, designs a screw-tupe double-claw vacuum pump rotor for this and optimizes above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a screw type double-claw vacuum pump rotor, wherein a second plug-in component and a first plug-in component are respectively sleeved at the outer side of a clamping component formed by combining a limiting fixed cylinder and a convex clamping component, stable clamping and fixing can be realized through the matching of the second plug-in component and the first plug-in component with the limiting fixed cylinder and the convex clamping component, the problem that the rotor is separated from a rotating shaft after deformation is avoided in long-term use, and the problem of centrifugal rotation is reduced.
The purpose of the utility model can be achieved by adopting the following technical scheme:
a screw type double-claw vacuum pump rotor comprises an external fixed annular sleeve frame, wherein a limit fixed cylinder is integrally formed on the inner side of the external fixed annular sleeve frame and penetrates through the inner side of the external fixed annular sleeve frame, convex clamping pieces are arranged on two sides of the external fixed annular sleeve frame and on the outer side of the limit fixed cylinder, the convex clamping pieces are arranged at equal angles along the edge of the external fixed annular sleeve frame, one end of the outer side of the limit fixed cylinder is sleeved with a first plug-in piece which is mutually plugged with a clamping piece formed by combining the limit fixed cylinder and the convex clamping pieces, a first external connecting ring is arranged on the outer side of the first plug-in piece, a Roots rotor is arranged on the outer side of the first external connecting ring, the other end of the outer side of the limit fixed cylinder is sleeved with a second plug-in piece which is mutually plugged with the clamping piece formed by combining the limit fixed cylinder and the convex clamping pieces, and a second external connecting ring is arranged on the outer side of the second plug-in piece, and the outer side of the second outer connecting ring is provided with a double-claw rotor, the two ends of the limiting fixed cylinder are provided with pipe clamping assemblies, and the pipe clamping assemblies are sleeved with clamping sleeve assemblies capable of fixing the first plug-in unit and the second plug-in unit.
Preferably, the first plug-in components comprise a first inner connecting ring and a first T-shaped plug-in component, the first T-shaped plug-in component is installed on the outer side of the first inner connecting ring at equal angles, a first outer connecting ring is installed on the outer side of the first T-shaped plug-in component, a convex type groove formed between the first T-shaped plug-in components is mutually inserted into a convex type clamping component, and a ring type groove formed between the first inner connecting ring and the convex type clamping component is mutually inserted into a ring type groove formed between the first inner connecting ring and the limiting fixing barrel.
Preferably, the second plug-in components include a second inner connecting ring and a second T-shaped plug-in component, the second T-shaped plug-in component is installed at the outer side of the second inner connecting ring at equal angles, a second outer connecting ring is installed at the outer side of the second T-shaped plug-in component, the convex type groove formed between the second T-shaped plug-in components is mutually inserted into the convex type clamping piece, and the second inner connecting ring is mutually inserted into the annular groove formed between the convex type clamping piece and the limiting fixing barrel.
Preferably, the pipe clamping assembly comprises a fixed rotating shaft and a first fixing hole, the middle parts of the two ends of the limiting fixed cylinder are provided with the fixed rotating shaft, and the outer side of the fixed rotating shaft is provided with the first fixing hole along the diameter direction of the fixed rotating shaft.
Preferably, the clamping sleeve component comprises a clamping ring, a fixing screw rod, a nut and a second fixing hole, the clamping ring is sleeved on the outer side of the fixing rotating shaft, the second fixing hole is formed in the middle of the outer side of the clamping ring in the diameter direction of the clamping ring, the fixing screw rod penetrates through the second fixing hole and the first fixing hole to the other end of the outer side of the clamping ring, and the nut penetrates through the end, penetrating through the second fixing hole, of the fixing screw rod and is sleeved on the exposed end.
Preferably, the convex type clamping piece is provided with eight groups and is prepared by adopting a steel bar material.
The utility model has the beneficial technical effects that:
according to the screw type double-claw vacuum pump rotor provided by the utility model, the second plug-in piece and the first plug-in piece are respectively sleeved on the outer side of the clamping piece formed by combining the limiting fixed cylinder and the convex clamping piece, stable clamping and fixing can be realized through the matching of the second plug-in piece and the first plug-in piece with the limiting fixed cylinder and the convex clamping piece, the problem that the rotor is separated from the rotating shaft after deformation is avoided when the screw type double-claw vacuum pump rotor is used for a long time, the problem of centrifugal rotation is reduced, and in addition, the effect generated by adopting the mode of combining the Roots rotor and the double-claw rotor is superior to that of singly using the Roots rotor or the double-claw rotor, so that the use efficiency is further improved.
Drawings
Fig. 1 is an overall perspective view of an apparatus according to a preferred embodiment of a rotor of a screw type twin claw vacuum pump according to the present invention;
FIG. 2 is an exploded view of the overall first perspective view of the apparatus of a preferred embodiment of a screw type twin claw vacuum pump rotor according to the present invention;
FIG. 3 is an exploded view of an overall second perspective view of the apparatus of a preferred embodiment of a screw type twin claw vacuum pump rotor according to the present invention;
FIG. 4 is a perspective view of a rotary shaft of a preferred embodiment of a screw type twin claw vacuum pump rotor according to the present invention;
FIG. 5 is a perspective view of a Roots rotor of a preferred embodiment of a screw type twin claw vacuum pump rotor according to the present invention;
fig. 6 is a perspective view illustrating a double claw rotor according to a preferred embodiment of a rotor for a screw type double claw vacuum pump according to the present invention.
In the figure: 1-external fixed annular sleeve frame, 2-fixed rotating shaft, 3-limit fixed cylinder, 4-convex fastener, 5-first fixed hole, 6-Roots rotor, 7-first external connecting ring, 8-first internal connecting ring, 9-first T-shaped plug-in unit, 10-snap ring, 11-double-claw rotor, 12-second external connecting ring, 13-second T-shaped plug-in unit, 14-second internal connecting ring, 15-fixed screw rod and 16-second fixed hole.
Detailed Description
In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail below with reference to the examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1-6, the present embodiment provides a screw type double-claw vacuum pump rotor, which comprises an external fixed annular casing frame 1, a limit fixed cylinder 3 integrally formed on the inner side of the external fixed annular casing frame 1, and the limit fixed cylinder 3 disposed through the inner side of the external fixed annular casing frame 1, convex fasteners 4 disposed on both sides of the external fixed annular casing frame 1 and disposed on the outer side of the limit fixed cylinder 3, and the convex fasteners 4 disposed at equal angles along the edge of the external fixed annular casing frame 1, one end of the outer side of the limit fixed cylinder 3 is sleeved with a first plug-in unit inserted with the fastener formed by combining the limit fixed cylinder 3 and the convex fastener 4, and a first external connection ring 7 is mounted on the outer side of the first plug-in unit, and a rotor 6 is mounted on the outer side of the first external connection ring 7, the other end of the outer side of the limit fixed cylinder 3 is sleeved with a convex second plug-in inserted with the fastener formed by combining the limit fixed cylinder 3 and the convex fastener 4, a second outer connecting ring 12 is installed on the outer side of the second plug-in unit, a double-claw rotor 11 is installed on the outer side of the second outer connecting ring 12, pipe clamping assemblies are arranged at two ends of the limiting fixing barrel 3, and the pipe clamping assemblies are sleeved with clamping sleeve assemblies capable of fixing the first plug-in unit and the second plug-in unit.
Establish the outside at the fastener that spacing fixed cylinder 3 and protruding type fastener 4 combination constitute with second plug-in components and first plug-in components respectively, cooperation through second plug-in components and first plug-in components and spacing fixed cylinder 3 and protruding type fastener 4, it is fixed to realize stable screens, also avoid appearing the problem of deformation back rotor and pivot separation in long-term use, the problem of centrifugal rotation has been reduced to appear, the effect that the mode of adopting roots's rotor 6 and two claw rotor 11 combinations to produce is superior to single use roots's rotor 6 or two claw rotor 11 and has further improved the efficiency of using in addition.
In this embodiment, the first insert includes a first inner connection ring 8 and a first T-shaped insert 9, the first T-shaped insert 9 is mounted on the outer side of the first inner connection ring 8 at equal angles, and the outer side of the first T-shaped plug-in 9 is provided with a first outer connecting ring 7, a convex groove formed between the first T-shaped plug-in 9 is mutually inserted and combined with the convex clamping piece 4, a first inner connecting ring 8 is mutually inserted and combined with an annular groove formed between the convex clamping piece 4 and the limiting fixed cylinder 3, the second plug-in comprises a second inner connecting ring 14 and a second T-shaped plug-in 13, the outer side of the second inner connecting ring 14 is provided with the second T-shaped plug-in 13 at equal angles, and the outside of the second T-shaped plug-in 13 is installed with the second outer connecting ring 12, the convex type groove formed between the second T-shaped plug-in 13 is mutually inserted with the convex fastener 4, and the second inner connecting ring 14 is mutually inserted with the annular groove formed between the convex fastener 4 and the spacing fixed cylinder 3.
In this embodiment, the card pipe assembly includes fixed rotating shaft 2 and first fixed orifices 5, fixed rotating shaft 2 is installed to the both ends middle part department of spacing fixed cylinder 3, and fixed rotating shaft 2's the outside has seted up first fixed orifices 5 along 2 diameter directions of fixed rotating shaft, the cutting ferrule subassembly includes snap ring 10, clamping screw 15, nut and second fixed orifices 16, this snap ring 10 cover is established in the outside of fixed rotating shaft 2, and snap ring 10's the outside middle part has seted up second fixed orifices 16 along snap ring 10 diameter direction, clamping screw 15 runs through second fixed orifices 16 and the other end department in the first fixed orifices 5 to the snap ring 10 outside, the nut runs through the cover and establishes the end that exposes that clamping screw 15 runs through second fixed orifices 16.
In this embodiment, the male fastener 4 is provided with eight sets and is made of a steel bar material.
The above are only further embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and its concept within the scope of the present invention.
Claims (6)
1. The utility model provides a screw type double claw formula vacuum pump rotor which characterized in that: comprises an external fixed annular sleeve frame (1), wherein a limit fixed cylinder (3) is integrally formed on the inner side of the external fixed annular sleeve frame (1), the limit fixed cylinder (3) penetrates through the inner side of the external fixed annular sleeve frame (1), convex clamping pieces (4) are arranged on two sides of the external fixed annular sleeve frame (1) and on the outer side of the limit fixed cylinder (3), the convex clamping pieces (4) are arranged at equal angles along the edge of the external fixed annular sleeve frame (1), one end of the outer side of the limit fixed cylinder (3) is sleeved with a first plug-in piece which is mutually inserted with clamping pieces formed by combining the limit fixed cylinder (3) and the convex clamping pieces (4), a first external connecting ring (7) is arranged on the outer side of the first external connecting ring (7), a Roots rotor (6) is arranged on the outer side of the first external connecting ring (7), the other end of the outer side of the limit fixed cylinder (3) is sleeved with a second plug-in piece which is mutually inserted with clamping pieces formed by combining the limit fixed cylinder (3) and the convex clamping pieces (4), a second outer connecting ring (12) is installed on the outer side of the second plug-in unit, a double-claw rotor (11) is installed on the outer side of the second outer connecting ring (12), pipe clamping assemblies are arranged at two ends of the limiting fixing barrel (3), and the pipe clamping assemblies are sleeved with clamping sleeve assemblies capable of fixing the first plug-in unit and the second plug-in unit.
2. A screw type twin claw vacuum pump rotor as defined in claim 1, wherein: the first plug-in components comprise first inner connecting rings (8) and first T-shaped plug-in components (9), the outer sides of the first inner connecting rings (8) are provided with the first T-shaped plug-in components (9) at equal angles, the outer sides of the first T-shaped plug-in components (9) are provided with first outer connecting rings (7), convex grooves formed between the first T-shaped plug-in components (9) are mutually plugged with convex clamping pieces (4), and the first inner connecting rings (8) are mutually plugged with annular grooves formed between the convex clamping pieces (4) and the limiting fixing barrel (3).
3. A screw type twin claw vacuum pump rotor as defined in claim 2, wherein: the second plug-in components include second inner connecting ring (14) and second T type plug-in components (13), second T type plug-in components (13) are installed to the outside of second inner connecting ring (14) equiangularly, and second outer connecting ring (12) are installed to the outside of second T type plug-in components (13), the protruding type groove that constitutes between second T type plug-in components (13) is inserted mutually with protruding type fastener (4), the annular groove that constitutes between second inner connecting ring (14) and protruding type fastener (4) and spacing fixed cylinder (3) is inserted mutually.
4. A screw type twin claw vacuum pump rotor as defined in claim 3, wherein: the pipe clamping assembly comprises a fixed rotating shaft (2) and a first fixing hole (5), the fixed rotating shaft (2) is installed at the middle of the two ends of the limiting fixed cylinder (3), and the first fixing hole (5) is formed in the outer side of the fixed rotating shaft (2) along the diameter direction of the fixed rotating shaft (2).
5. A screw type twin claw vacuum pump rotor as defined in claim 4 wherein: the cutting ferrule subassembly includes snap ring (10), clamping screw (15), nut and second fixed orifices (16), this snap ring (10) cover is established in the outside of fixed pivot (2), and has seted up second fixed orifices (16) along snap ring (10) diameter direction in the middle part in the outside of snap ring (10), clamping screw (15) run through second fixed orifices (16) and first fixed orifices (5) to the other end department in the snap ring (10) outside, the nut runs through the cover and establishes the end that exposes that runs through second fixed orifices (16) in clamping screw (15).
6. A screw type twin claw vacuum pump rotor as defined in claim 5 wherein: the convex clamping piece (4) is provided with eight groups and is prepared by adopting a steel bar material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122720757.6U CN216077574U (en) | 2021-11-08 | 2021-11-08 | Screw type double-claw vacuum pump rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122720757.6U CN216077574U (en) | 2021-11-08 | 2021-11-08 | Screw type double-claw vacuum pump rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216077574U true CN216077574U (en) | 2022-03-18 |
Family
ID=80659923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122720757.6U Expired - Fee Related CN216077574U (en) | 2021-11-08 | 2021-11-08 | Screw type double-claw vacuum pump rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216077574U (en) |
-
2021
- 2021-11-08 CN CN202122720757.6U patent/CN216077574U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220318 |