CN203584745U - Vacuum oil pump flexible connecting device - Google Patents
Vacuum oil pump flexible connecting device Download PDFInfo
- Publication number
- CN203584745U CN203584745U CN201320691633.2U CN201320691633U CN203584745U CN 203584745 U CN203584745 U CN 203584745U CN 201320691633 U CN201320691633 U CN 201320691633U CN 203584745 U CN203584745 U CN 203584745U
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- rubber
- reducer union
- oil pump
- rubber pipe
- pipe
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Abstract
A vacuum oil pump flexible connecting device comprises a rubber hose and a reducing connector. An air outlet of the flexible connecting device is formed in one end of the rubber hose, the other end of the rubber hose is tightly connected with the larger end of the reducing connector, and an air inlet is formed in the smaller end of the reducing connector. The rubber hose is made of natural rubber or ethylene propylene rubber or thermoplastic rubber. The thickness of the wall of the rubber hose is not smaller than 12mm, the external diameter of the rubber hose is not larger than 68mm, and the length of the rubber hose is not larger than 500mm. The vacuum oil pump flexible connecting device is suitable for vacuum oil pumps used in laboratories and small-scale production, simple in structure and good in using effect.
Description
Technical field
The technical program belongs to technical field of chemical, specifically a kind of soft connection device that is applicable to vacuum oil pump.
Background technique
For the oil pump of laboratory and miniaturization production, mostly be 2X-2,2X-4,2X-8 type vacuum oil pump at present.While using this series of vacuum oil pump, generally adopt rubber stopper, by making a call to a circle circular hole in the middle of rubber stopper, insert again a glass tube, then fill in the bleeding point of vacuum oil pump, then with sealer will rubber stopper around and around glass tube, be coated with sealer.Again gluing again when unpick and wash next time, and this method also can affect the speed of exhaust of vacuum pump.Also having one is to be directly enclosed within on vacuum oil pump bleeding point with vinyl tube, then polyethylene mouth of pipe gluing sealing more around, also there is need gluing, not anti-vibration again while unpicking and washing vacuum pump next time in this method, the not resistance to song property of having mercy on, easily there is depression situation in tube wall in condition of high vacuum degree situation.
Summary of the invention
In order to solve the described problem existing in prior art, the technical program proposes a kind of new vacuum oil pump soft connection device, comprises rubber pipe and reducer union; One end of described rubber pipe is the air outlet of this soft connection device, and the other end of rubber pipe is closely connected with larger one end of reducer union, the suction port that less one end of reducer union is this soft connection device; The material of described rubber pipe is natural rubber, ethylene propylene rubber or thermoplastic rubber; The thickness of pipe wall of described rubber pipe is not less than 12mm, and the external diameter of rubber pipe is not more than 68mm, and the pipe range of rubber pipe is not more than 500mm.
Material physical property by rubber pipe coordinates specific size, can guarantee not produce violent deformation under the condition of negative pressure of the oil pump adopting when laboratory and miniaturization are produced and affects use.
Insert in rubber pipe larger one end of described reducer union, and the external diameter of larger one end of reducer union is greater than the internal diameter of rubber pipe.The outer wall of larger one end of described reducer union is rough surface.
The material of described reducer union is glass, and the outer wall surface of larger one end of reducer union is matte surface.
The external diameter of larger one end of described reducer union is that the height of 32mm, reducer union is 60mm; The thickness of pipe wall of described rubber pipe is 15mm, and the external diameter of rubber pipe is 60mm, and the pipe range of rubber pipe is 300mm.
The rubber pipe that the main body of this device is made by natural rubber, ethylene propylene rubber or thermoplastic rubber and glass frosted reducer union form.During use by natural rubber pipe box the air inlet mouth of pipe place at vacuum oil pump, glass frosted reducer union is connected with rubber pipe after coating lubricant oil again.Its advantage is that smooth, corrosion-resistant, the bent rich performance of volume stability, beautiful shape, inside and outside wall is good, antidetonation and high impact properties.And easy for installation, be convenient to vacuum oil pump and unpick and wash and keep in repair.Vacuum oil pump is flexible coupling and has good sealing effect with the frosted mouth of vacuum oil pump bleeding point place, glass reducer union and the joint of vacuum rubber pipe, without carrying out sealing and anti-leakage gas gluing with sealer again.
This vacuum oil pump soft connection device is applicable to laboratory and 2X-2, the 2X-4, the 2X-8 type vacuum oil pump that use are produced in miniaturization, simple in structure, using effect is very good.
Accompanying drawing explanation
Fig. 1 is that this linkage structure is used view;
Fig. 2 is the structural representation of reducer union;
Fig. 3 is the structural representation of rubber pipe;
In figure: the matte surface position d of vacuum oil pump a, rubber pipe b, reducer union c, reducer union.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the technical program is further illustrated as follows:
As Fig. 2,3, a kind of new vacuum oil pump soft connection device, comprises rubber pipe and reducer union; One end of described rubber pipe is the air outlet of this soft connection device, and the other end of rubber pipe is closely connected with larger one end of reducer union, the suction port that less one end of reducer union is this soft connection device; The material of described rubber pipe is natural rubber, ethylene propylene rubber or thermoplastic rubber; The thickness of pipe wall of described rubber pipe is not less than 12mm, and the external diameter of rubber pipe is not more than 68mm, and the pipe range of rubber pipe is not more than 500mm.Insert in rubber pipe larger one end of described reducer union, and the external diameter of larger one end of reducer union is greater than the internal diameter of rubber pipe.The outer wall of larger one end of described reducer union is rough surface.
In this example, the material of described reducer union is glass, and the outer wall surface of larger one end of reducer union is matte surface.The external diameter of larger one end of described reducer union is that the height of 32mm, reducer union is 60mm; The thickness of pipe wall of described rubber pipe is 15mm, and the external diameter of rubber pipe is 60mm, and the pipe range of rubber pipe is 300mm.
Vacuum oil pump is flexible coupling as shown in Figure 1, and this apparatus structure is simple, easy to use.
Claims (5)
1. a vacuum oil pump soft connection device, is characterized in that comprising rubber pipe and reducer union; One end of described rubber pipe is the air outlet of this soft connection device, and the other end of rubber pipe is closely connected with larger one end of reducer union, the suction port that less one end of reducer union is this soft connection device;
The material of described rubber pipe is natural rubber, ethylene propylene rubber or thermoplastic rubber; The thickness of pipe wall of described rubber pipe is not less than 12mm, and the external diameter of rubber pipe is not more than 68mm, and the pipe range of rubber pipe is not more than 500mm.
2. vacuum oil pump soft connection device according to claim 1, it is characterized in that larger one end of described reducer union is inserted in rubber pipe, and the external diameter of larger one end of reducer union is greater than the internal diameter of rubber pipe.
3. vacuum oil pump soft connection device according to claim 2, the outer wall that it is characterized in that larger one end of described reducer union is rough surface.
4. vacuum oil pump soft connection device according to claim 3, the material that it is characterized in that described reducer union is glass, the outer wall surface of larger one end of reducer union is matte surface.
5. vacuum oil pump soft connection device according to claim 1, the external diameter that it is characterized in that larger one end of described reducer union is that the height of 32mm, reducer union is 60mm; The thickness of pipe wall of described rubber pipe is 15mm, and the external diameter of rubber pipe is 60mm, and the pipe range of rubber pipe is 300mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320691633.2U CN203584745U (en) | 2013-11-05 | 2013-11-05 | Vacuum oil pump flexible connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320691633.2U CN203584745U (en) | 2013-11-05 | 2013-11-05 | Vacuum oil pump flexible connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203584745U true CN203584745U (en) | 2014-05-07 |
Family
ID=50582677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320691633.2U Expired - Fee Related CN203584745U (en) | 2013-11-05 | 2013-11-05 | Vacuum oil pump flexible connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203584745U (en) |
-
2013
- 2013-11-05 CN CN201320691633.2U patent/CN203584745U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20181105 |