CN207081451U - Dry type oil free screw machine venturi ozzle - Google Patents
Dry type oil free screw machine venturi ozzle Download PDFInfo
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- CN207081451U CN207081451U CN201720494230.7U CN201720494230U CN207081451U CN 207081451 U CN207081451 U CN 207081451U CN 201720494230 U CN201720494230 U CN 201720494230U CN 207081451 U CN207081451 U CN 207081451U
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- nozzle body
- venturi
- pressure section
- venturi nozzle
- preceding pressure
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Abstract
The utility model discloses dry type oil free screw machine venturi ozzle, including venturi nozzle body, the bottom of the venturi nozzle body is downwardly extending rear linkage section, conical horn mouth is provided between linkage section and venturi nozzle body after described, pressure section before the top of the venturi nozzle body is threaded with by locking nut, sealing ring is provided between the locking nut and preceding pressure section, the preceding pressure section is set to telescopic ripple struction, the preceding pressure section is socketed with sebific duct and net successively along outside, the junction of the net and venturi nozzle body is provided with net compacting ring.The utility model by preceding pressure section by being arranged to telescopic ripple struction, it disclosure satisfy that the demand of distinct device, enhance versatility, venturi nozzle body and preceding pressure section are threadedly coupled by locking nut, it is easy to disassemble, reduce cost, also have structure design rigorous, reasonable, stability is good, extends service life, is adapted to popularization and application.
Description
Technical field
It the utility model is related to dry type oil free screw machine technical field, specially dry type oil free screw machine venturi ozzle.
Background technology
Helical-lobe compressor is broadly divided into oil free screw compressor, has oily helical-lobe compressor and fluid injection helical-lobe compressor, wherein,
Medium does not contact with lubricating oil in the compression chamber of oil free screw compressor, therefore is referred to as " oil free screw ".Due to being in compression chamber
Dry, alternatively referred to as " dry type screw rod ".And the Venturi tube on dry type oil free screw machine is a kind of measurement pipeline flow instrument,
Play a part of measuring fluid flow.
Venturi tube is divided into concealed Venturi pipe and plug-in type Venturi tube by structure, can be widely used for oil, chemical industry,
The control and metering of the industry Large Diameter Pipeline fluid such as metallurgy, electric power.But the structure of ozzle is mostly in Wen of the prior art
It is changeless, so as to cause its versatility poor, so as to meet the needs of a variety of distinct devices.
Utility model content
The purpose of this utility model is to provide dry type oil free screw machine venturi ozzle, by the way that preceding pressure section is arranged to
Telescopic ripple struction, the demand of distinct device is disclosure satisfy that, so as to make it have versatility, by locking nut by literary mound
In nozzle body and the threaded connection of preceding pressure section, it is easy to disassemble, reduce cost, it is also rigorous, reasonable with structure design, it is stable
Property is good, extends service life, solves the problems, such as proposed in above-mentioned background technology.
To achieve the above object, the utility model provides following technical scheme：Dry type oil free screw machine venturi ozzle, bag
Include venturi nozzle body, the bottom of the venturi nozzle body is downwardly extending rear linkage section, it is described after linkage section with
Conical horn mouth is provided between venturi nozzle body, the top of the venturi nozzle body is threadedly coupled by locking nut
There is preceding pressure section, the preceding pressure section is set to telescopic ripple struction, and the preceding pressure section is socketed with sebific duct successively along outside
And net, the junction of the net and venturi nozzle body are provided with net compacting ring.
Preferably, the cone angle of the conical horn mouth is set to 35 degree.
Preferably, sealing ring is provided between the locking nut and preceding pressure section.
Preferably, preceding pressure section, venturi nozzle body and the rear linkage section are set to hollow structure.
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, the utility model disclosure satisfy that the need of distinct device by the way that preceding pressure section is arranged into telescopic ripple struction
Ask, so as to make it have versatility.
2nd, venturi nozzle body and preceding pressure section are threadedly coupled by the utility model by locking nut, easy to disassemble,
Reduce cost.
3rd, overall construction design of the present utility model is rigorous, reasonable, and stability is good, extends service life, has and promotes
Application value.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the sectional view of preceding pressure section in the utility model.
In figure：1- venturi nozzle bodies, linkage section after 2-, 3- conical horn mouths, 4- locking nuts, pressure section before 5-,
6- ripple structions, 7- sebific ducts, 8- nets, 9- net compacting rings.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1, Fig. 2 are referred to, the utility model provides dry type oil free screw machine venturi ozzle technical scheme：Dry type oil-free
Screw machine venturi ozzle, including venturi nozzle body 1, after the bottom of the venturi nozzle body 1 is downwardly extending
Linkage section 2, conical horn mouth 3, the cone of the conical horn mouth 3 are provided between linkage section 2 and venturi nozzle body 1 after described
Angle is set to 35 degree, and the top of the venturi nozzle body 1 is threaded with preceding pressure section 5, the locking by locking nut 4
Sealing ring is provided between nut 4 and preceding pressure section 5, good airproof performance, measurement accuracy is not only increased, also extends service life,
The preceding pressure section 5 is set to telescopic ripple struction 6, disclosure satisfy that the demand of distinct device, so as to make it have versatility,
The preceding pressure section 5 is socketed with sebific duct 7 and net 8, the junction of the net 8 and venturi nozzle body 1 along outside successively
Provided with net compacting ring 9, preceding pressure section 5, venturi nozzle body 1 and the rear linkage section 2 are set to hollow structure.
Compared with prior art, improvement of the present utility model is：Dry type oil free screw machine venturi ozzle, including literary mound
In nozzle body 1, the bottom of venturi nozzle body 1 is downwardly extending rear linkage section, and the top of venturi nozzle body 1
Pressure section 5 before being threaded with by locking nut 4, can by the way that preceding pressure section 5 is arranged into telescopic ripple struction 6
Meets the needs of distinct device, so as to make it have versatility；By locking nut 4 by venturi nozzle body 1 and preceding pressure
Section 5 is threadedly coupled, easy to disassemble, reduces cost；It is close by being provided with sealing ring between locking nut 4 and preceding pressure section 5
Envelope property is good, not only increases measurement accuracy, also extends service life, in addition, overall construction design is rigorous, reasonable, stability
It is good, service life is extended, there is application value.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. dry type oil free screw machine venturi ozzle, including venturi nozzle body (1), it is characterised in that：The Venturi tube
The bottom of mouth main body (1) is downwardly extending rear linkage section (2), it is described after between linkage section (2) and venturi nozzle body (1)
Provided with conical horn mouth (3), the top of the venturi nozzle body (1) is threaded with preceding pressure by locking nut (4)
Section (5), the preceding pressure section (5) are set to telescopic ripple struction (6), and the preceding pressure section (5) is socketed with successively along outside
Sebific duct (7) and net (8), the net (8) and the junction of venturi nozzle body (1) are provided with net compacting ring (9).
2. dry type oil free screw machine venturi ozzle according to claim 1, it is characterised in that：The conical horn mouth
(3) cone angle is set to 35 degree.
3. dry type oil free screw machine venturi ozzle according to claim 1, it is characterised in that：The locking nut (4)
Sealing ring is provided between preceding pressure section (5).
4. dry type oil free screw machine venturi ozzle according to claim 1, it is characterised in that：The preceding pressure section (5),
Venturi nozzle body (1) and rear linkage section (2) are set to hollow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720494230.7U CN207081451U (en) | 2017-05-05 | 2017-05-05 | Dry type oil free screw machine venturi ozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720494230.7U CN207081451U (en) | 2017-05-05 | 2017-05-05 | Dry type oil free screw machine venturi ozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207081451U true CN207081451U (en) | 2018-03-09 |
Family
ID=61436364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720494230.7U Active CN207081451U (en) | 2017-05-05 | 2017-05-05 | Dry type oil free screw machine venturi ozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207081451U (en) |
-
2017
- 2017-05-05 CN CN201720494230.7U patent/CN207081451U/en active Active
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