CN217176875U - Two-vane rotor for roots pump - Google Patents

Two-vane rotor for roots pump Download PDF

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Publication number
CN217176875U
CN217176875U CN202220830661.7U CN202220830661U CN217176875U CN 217176875 U CN217176875 U CN 217176875U CN 202220830661 U CN202220830661 U CN 202220830661U CN 217176875 U CN217176875 U CN 217176875U
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China
Prior art keywords
rotor
installation
groove
fixedly connected
roots pump
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CN202220830661.7U
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Chinese (zh)
Inventor
张根海
方芳凤
刘�文
张根水
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Zhejiang Zhuoyou General Machinery Co ltd
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Zhejiang Zhuoyou General Machinery Co ltd
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Priority to CN202220830661.7U priority Critical patent/CN217176875U/en
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Publication of CN217176875U publication Critical patent/CN217176875U/en
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Abstract

The utility model discloses a two-vane rotor for lobe pump, include: a mounting assembly and a rotor assembly mounted on the mounting assembly; the rotor assembly comprises a rotor body, an installation through groove is formed in the center of the rotor body, and limiting grooves communicated with the installation through groove are formed in the two sides of the installation through groove; wherein, the installation component includes spacing dish, and the installation axle that leads to groove looks adaptation is connected with and the installation to one side fixedly connected with of spacing dish, and the card strip of the equal fixedly connected with in both sides of installation axle and spacing groove looks adaptation, the one end fixedly connected with drive shaft that spacing dish was kept away from to the installation axle. The utility model discloses a mutually supporting between rotor subassembly and the installation component has realized a two leaf type rotors for lobe pump, uses the back for a long time, when the rotor appears wearing and tearing, can change alone the rotor, has both made things convenient for staff's operation, has avoided unnecessary extravagant again, thereby has improved the utility model discloses the practicality of rotor.

Description

Two-vane rotor for roots pump
Technical Field
The utility model relates to a lobe pump rotor technical field specifically is a two-leaf type rotor for lobe pump.
Background
The roots vacuum pump (Roots pump for short) is a variable displacement vacuum pump in which two blade-shaped rotors rotating synchronously in opposite directions are installed, and small gaps are formed between the rotors and the inner wall of a pump shell without contacting each other. And can be widely used in petroleum, chemical, metallurgy, textile and other industries. The vacuum pump accessory is used as a vacuum pump silencer and is used for noise control of a vacuum pump, and a common roots pump is provided with a two-blade rotor and a three-blade rotor.
However, the two-blade rotor in the prior art is generally integrally formed and is not easy to disassemble and assemble, and the rotor is an easily worn part, so that the rotor needs to be replaced together with the shaft body after being used for a long time, and not only is the operation inconvenient, but also unnecessary waste is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two leaf type rotors for lobe pump, after long-time the use, when the rotor appears wearing and tearing, can change alone the rotor, both made things convenient for staff's operation, avoided unnecessary extravagant again, thereby improved the utility model discloses the practicality of rotor to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a lobed rotor for a roots pump comprising: a mounting assembly and a rotor assembly mounted on the mounting assembly;
the rotor assembly comprises a rotor body, wherein an installation through groove is formed in the center of the rotor body, and limiting grooves mutually communicated with the installation through groove are formed in the two sides of the installation through groove;
wherein, the installation component includes spacing dish, one side fixedly connected with of spacing dish with the installation axle that leads to groove looks adaptation is installed, the equal fixedly connected with in both sides of installation axle with the card strip of spacing groove looks adaptation, the installation axle is kept away from the one end fixedly connected with drive shaft of spacing dish, the installation axle is kept away from the external screw thread has still been seted up to the one end of spacing dish, install epaxial and corresponding the position screw thread of external screw thread installs the thread bush.
Through adopting above-mentioned technical scheme, after long-time the use, when wearing and tearing appear in the rotor, can change alone the rotor, both made things convenient for staff's operation, avoided unnecessary extravagant again to improved the utility model discloses the practicality of rotor.
Preferably, the surface of the rotor body is provided with a reinforcing rib embedded in the rotor body.
Through adopting above-mentioned technical scheme, increased rotor body's structural strength to rotor body's life has been improved.
Preferably, the edges of the limiting groove and the clamping strip are both provided with adaptive arcs.
Through adopting above-mentioned technical scheme, conveniently block the strip card and go into the spacing inslot to the convenience of rotor body installation has been improved.
Preferably, one side of the limiting disc, which is far away from the mounting shaft, is fixedly connected with a limiting rotating block.
Through adopting above-mentioned technical scheme, increased installation axle moving stability.
Preferably, one end of the mounting shaft close to the external thread is arranged in an arc shape.
Through adopting above-mentioned technical scheme, conveniently install the thread bush on the installation axle to the convenience of rotor body installation has been improved.
Preferably, one side of the threaded sleeve, which is close to the limiting disc, is fixedly connected with an annular rubber ring.
Through adopting above-mentioned technical scheme, increased the thread bush when screwing up and rotor body between frictional force to avoid the thread bush to appear anti-silk, and then improved rotor body installation's stability.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a mutually supporting between rotor subassembly and the installation component has realized a two leaf type rotors for lobe pump, uses the back for a long time, when the rotor appears wearing and tearing, can change alone the rotor, has both made things convenient for staff's operation, has avoided unnecessary extravagant again, thereby has improved the utility model discloses the practicality of rotor.
Drawings
Fig. 1 is a schematic structural view of a two-vane rotor for a roots pump according to the present invention;
FIG. 2 is a schematic structural view of a rotor assembly in a two-lobe rotor for a roots pump according to the present invention;
fig. 3 is a schematic structural view of a mounting assembly in a two-lobe rotor for a roots pump according to the present invention.
In the figure: 1. a rotor assembly; 2. mounting the component;
101. a rotor body; 102. installing a through groove; 103. a limiting groove; 104. reinforcing ribs;
201. a limiting disc; 202. installing a shaft; 203. clamping the strip; 204. a limiting rotating block; 205. a drive shaft; 206. an external thread; 207. a threaded sleeve;
2071. an annular rubber ring.
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 work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
as shown in fig. 1 to 3, a two-lobe rotor for a roots pump includes:
a mounting assembly 2 and a rotor assembly 1 mounted on the mounting assembly 2;
the rotor assembly 1 comprises a rotor body 101, wherein a mounting through groove 102 is formed in the center of the rotor body 101, and limiting grooves 103 communicated with the mounting through groove 102 are formed in the two sides of the mounting through groove 102;
wherein, installation component 2 includes spacing dish 201, the installation axle 202 of the logical groove 102 looks adaptation of one side fixedly connected with and the installation of spacing dish 201, the card strip 203 of the equal fixedly connected with in both sides and the spacing groove 103 looks adaptation of installation axle 202, the one end fixedly connected with drive shaft 205 of spacing dish 201 is kept away from to installation axle 202, external screw thread 206 has still been seted up to the one end that spacing dish 201 was kept away from to installation axle 202, install the position screw thread that the axle 202 was gone up and is corresponded external screw thread 206 and install thread bush 207.
Through adopting above-mentioned technical scheme, after long-time the use, when wearing and tearing appear in the rotor, can change alone the rotor, both made things convenient for staff's operation, avoided unnecessary extravagant again to improved the utility model discloses the practicality of rotor.
As shown in fig. 1 to 3, in order to increase the structural strength of the rotor body 101 and thus improve the service life of the rotor body 101, the surface of the rotor body 101 is provided with a rib 104 embedded in the rotor body 101.
As shown in fig. 1 to 3, in order to facilitate the clamping of the clamping strip 203 into the limiting groove 103, thereby improving the convenience of mounting the rotor body 101, the edges of the limiting groove 103 and the clamping strip 203 are both configured to be in an arc shape.
As shown in fig. 1 to fig. 3, in order to increase the stability of the operation of the mounting shaft 202, a limiting rotary block 204 is fixedly connected to one side of the limiting disc 201 away from the mounting shaft 202.
As shown in fig. 1 to 3, in order to facilitate the installation of the threaded sleeve 207 on the mounting shaft 202 and thus improve the convenience of installation of the rotor body 101, one end of the mounting shaft 202 near the external thread 206 is provided in an arc shape.
As shown in fig. 1 to 3, in order to increase the friction force between the threaded sleeve 207 and the rotor body 101 when being screwed down, thereby preventing the threaded sleeve 207 from turning, and further improving the stability of the installation of the rotor body 101, an annular rubber ring 2071 is fixedly connected to one side of the threaded sleeve 207 close to the limiting disc 201.
According to the technical scheme, the working steps of the scheme are summarized and carded:
when rotor body 101 needs to be disassembled, only thread bush 207 needs to be loosened, and thread bush 207 is made to break away from external thread 206 on installation shaft 202, so that rotor body 101 can be disassembled conveniently, when rotor body 101 needs to be installed, only installation through groove 102 on rotor body 101 needs to be plugged on installation shaft 202, two clamping strips 203 are made to be clamped inside two limiting grooves 103, thread bush 207 is installed on installation shaft 202, and convenient installation of rotor body 101 can be achieved.
To sum up: this a two leaf type rotors for lobe pump, after long-time the use, when wearing and tearing appear in the rotor, can change alone the rotor, both made things convenient for staff's operation, avoided unnecessary extravagant again, thereby improved the utility model discloses the practicality of rotor.
The part not involved in the utility model is the same as the prior art or can be realized by adopting the prior art. 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 (6)

1. A lobed rotor for a roots pump, comprising:
a mounting assembly (2) and a rotor assembly (1) mounted on the mounting assembly (2);
the rotor assembly (1) comprises a rotor body (101), an installation through groove (102) is formed in the center of the rotor body (101), and limiting grooves (103) communicated with the installation through groove (102) are formed in the two sides of the installation through groove (102);
wherein, installation component (2) are including spacing dish (201), one side fixedly connected with of spacing dish (201) with installation axle (202) of logical groove (102) looks adaptation are led to in the installation, the equal fixedly connected with in both sides of installation axle (202) with card strip (203) of spacing groove (103) looks adaptation, installation axle (202) are kept away from the one end fixedly connected with drive shaft (205) of spacing dish (201), installation axle (202) are kept away from external screw thread (206) have still been seted up to the one end of spacing dish (201), just correspond on installation axle (202) thread fit threaded sleeve (207) in the position of external screw thread (206).
2. A lobed rotor for a roots pump as claimed in claim 1, wherein: the surface of the rotor body (101) is provided with a reinforcing rib (104) embedded in the rotor body (101).
3. A lobed rotor for a roots pump as claimed in claim 2, wherein: the edges of the limiting groove (103) and the clamping strip (203) are both set to be in an arc shape matched with each other.
4. A lobed rotor for a roots pump as claimed in claim 3, wherein: one side of the limiting disc (201) far away from the mounting shaft (202) is fixedly connected with a limiting rotating block (204).
5. A lobed rotor for a roots pump as claimed in claim 4, wherein: one end of the mounting shaft (202) close to the external thread (206) is arranged to be arc-shaped.
6. A lobed rotor for a roots pump as claimed in claim 5, wherein: one side of the thread bush (207) close to the limiting disc (201) is fixedly connected with an annular rubber ring (2071).
CN202220830661.7U 2022-04-12 2022-04-12 Two-vane rotor for roots pump Active CN217176875U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220830661.7U CN217176875U (en) 2022-04-12 2022-04-12 Two-vane rotor for roots pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220830661.7U CN217176875U (en) 2022-04-12 2022-04-12 Two-vane rotor for roots pump

Publications (1)

Publication Number Publication Date
CN217176875U true CN217176875U (en) 2022-08-12

Family

ID=82709557

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220830661.7U Active CN217176875U (en) 2022-04-12 2022-04-12 Two-vane rotor for roots pump

Country Status (1)

Country Link
CN (1) CN217176875U (en)

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