CN202348671U - Improved Roots vacuum pump - Google Patents

Improved Roots vacuum pump Download PDF

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Publication number
CN202348671U
CN202348671U CN2011204141585U CN201120414158U CN202348671U CN 202348671 U CN202348671 U CN 202348671U CN 2011204141585 U CN2011204141585 U CN 2011204141585U CN 201120414158 U CN201120414158 U CN 201120414158U CN 202348671 U CN202348671 U CN 202348671U
Authority
CN
China
Prior art keywords
cover
bonnet
protecgulum
improved roots
pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2011204141585U
Other languages
Chinese (zh)
Inventor
樊忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NANTONG LONGYING VACUUM PUMP CO Ltd
Original Assignee
NANTONG LONGYING VACUUM PUMP CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NANTONG LONGYING VACUUM PUMP CO Ltd filed Critical NANTONG LONGYING VACUUM PUMP CO Ltd
Priority to CN2011204141585U priority Critical patent/CN202348671U/en
Application granted granted Critical
Publication of CN202348671U publication Critical patent/CN202348671U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an improved Roots vacuum pump comprising a pump body, wherein the pump body is provided with an air inlet and an air outlet; a front cover is arranged at one end of the pump body; and a rear cover is arranged at the other end of the pump body. The improved Roots vacuum pump is characterized in that cooling devices are arranged in the front cover and the rear cover; a front end cover is arranged on the front cover; a rear end cover is arranged on the rear cover; a sealing device is arranged between the front cover and the front end cover; and another sealing device is arranged between the rear cover and the rear end cover. The improved Roots vacuum pump has the advantages that the structure is simple, the cooling and radiating effect is good, the mounting is convenient, the service life is prolonged, and the stability is high.

Description

A kind of improved Roots pump
Technical field
The utility model relates to a kind of Roots pump, relates in particular to a kind of improved Roots pump.
Background technique
Roots pump is a kind of rotary positive-displacement pump, and in recent years, Roots pump has obtained development faster at home; Be widely used in industries such as smelting kerosene, oil, chemical industry, electronics; And existing Roots pump structure cooling effect is undesirable, oily window heating easy deformation, and Roots pump can not be worked under the situation of rough vacuum; Force start is prone to cause current overload and motor is burnt out; Had a strong impact on the working life of Roots pump, for addressing the above problem, the spy provides a kind of new technological scheme.
The model utility content
The purpose of the utility model provides a kind of improved Roots pump.
The technological scheme that the utility model adopts is:
A kind of improved Roots pump comprises the pump housing that contains suction port and air outlet, and the said pump housing one end is provided with protecgulum; The said pump housing the other end is provided with bonnet; Be provided with cooling unit in said protecgulum and the bonnet, said protecgulum is provided with front cover, and said bonnet is provided with rear end cover; Be provided with seal arrangement between said protecgulum and the front cover, be provided with seal arrangement between said bonnet and the rear end cover.
Said cooling unit is refrigerator and temperature control damper, and said temperature regulation controller is connected with the drive unit of refrigerator.
Said seal arrangement is the O RunddichtringO.
Said bonnet is provided with oily window.
The utility model has the advantages that: simple in structure, cooling heat dissipation is effective, and is easy for installation, increased the working life of pump, and stability is good.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail.
Fig. 1 is the structural representation of the utility model.
Wherein: 1, the pump housing, 2, suction port, 3, the air outlet, 4, protecgulum, 5, bonnet, 6, cooling unit, 7, refrigerator, 8, temperature control damper, 9, front cover, 10, rear end cover, 11, the O RunddichtringO, 12, oily window.
Embodiment
As shown in Figure 1, a kind of improved Roots pump of the utility model comprises the pump housing 1 that contains suction port 2 and air outlet 3; The pump housing 1 one ends are provided with protecgulum 4, and the pump housing 1 the other end is provided with bonnet 5, are provided with cooling unit 6 in protecgulum 4 and the bonnet 5; Cooling unit 6 is refrigerator 7 and temperature control damper 8, and temperature regulation controller 8 is connected with the drive unit of refrigerator 7, and protecgulum 4 is provided with front cover 9; Bonnet 5 is provided with rear end cover 10, is provided with O RunddichtringO 11 between protecgulum 4 and the front cover 9, is provided with O RunddichtringO 11 between bonnet 5 and the rear end cover 10; Bonnet 5 is provided with oily window 12, and simple in structure, cooling heat dissipation is effective; Easy for installation, increased working life of pump, stability is good.

Claims (4)

1. an improved Roots pump comprises the pump housing that contains suction port and air outlet, and the said pump housing one end is provided with protecgulum; The said pump housing the other end is provided with bonnet; It is characterized in that: be provided with cooling unit in said protecgulum and the bonnet, said protecgulum is provided with front cover, and said bonnet is provided with rear end cover; Be provided with seal arrangement between said protecgulum and the front cover, be provided with seal arrangement between said bonnet and the rear end cover.
2. a kind of improved Roots pump according to claim 1 is characterized in that: said cooling unit is refrigerator and temperature control damper, and said temperature regulation controller is connected with the drive unit of refrigerator.
3. a kind of improved Roots pump according to claim 1 is characterized in that: said seal arrangement is the O RunddichtringO.
4. a kind of improved Roots pump according to claim 1, it is characterized in that: said bonnet is provided with oily window.
CN2011204141585U 2011-10-27 2011-10-27 Improved Roots vacuum pump Expired - Fee Related CN202348671U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204141585U CN202348671U (en) 2011-10-27 2011-10-27 Improved Roots vacuum pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204141585U CN202348671U (en) 2011-10-27 2011-10-27 Improved Roots vacuum pump

Publications (1)

Publication Number Publication Date
CN202348671U true CN202348671U (en) 2012-07-25

Family

ID=46537679

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011204141585U Expired - Fee Related CN202348671U (en) 2011-10-27 2011-10-27 Improved Roots vacuum pump

Country Status (1)

Country Link
CN (1) CN202348671U (en)

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120725

Termination date: 20121027