CN204005009U - A kind of restriction orifice assembly - Google Patents
A kind of restriction orifice assembly Download PDFInfo
- Publication number
- CN204005009U CN204005009U CN201420399058.3U CN201420399058U CN204005009U CN 204005009 U CN204005009 U CN 204005009U CN 201420399058 U CN201420399058 U CN 201420399058U CN 204005009 U CN204005009 U CN 204005009U
- Authority
- CN
- China
- Prior art keywords
- restriction orifice
- nut
- current limliting
- screw nipple
- assembly according
- 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
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Abstract
The utility model relates to current-limiting apparatus field, discloses a kind of restriction orifice assembly, comprises nut, one end of nut is provided with connection short tube, the other end of nut is provided with screw nipple, connects between short tube and screw nipple and is provided with containing space, is provided with at least one group of current limliting assembly in containing space; Current limliting assembly comprises pad, one-level restriction orifice, retaining collar and the secondary restriction orifice that connects successively setting.Restriction orifice modular construction in the utility model is simple, easy for installation, and current limitation effect is good, is applicable to large-scale promotion and uses.Current limliting assembly in the utility model can carry out as required the length of the pipe fitting of current limliting and carry out being used in combination of many group current limliting assemblies, and usage mode is more flexible, and Applicable scope is wider.
Description
Technical field
The utility model relates to current-limiting apparatus field, relates in particular to a kind of restriction orifice assembly.
Background technique
Restriction orifice processing simple in structure owing to having, easy, low cost of manufacture, the advantage such as easy for installation, meeting under the prerequisite of technological requirement, with restriction orifice, replace modulating valve carry out limited flow rate or reduce pressure, will reduce widely investment and operation and maintenance expense.Abroad, restriction orifice has been widely used in tooling, and the safe operation of device is played an important role.
Its specific works method is by dwindling medium actual internal area in pipeline, to increase the local resistance loss of fluid in pipe string; to reduce the pressure reduction of flowing medium to other equipment on this depot siding, reach other equipment of protection and be operated within the scope of permissible pressure or guarantee that other equipment are not by dielectric corrosion, flash distillation or a kind of device of washing away.
But some restriction orifice assemblies on market, due to reasons such as compound mode and mounting type unreasonable structure, current limitation effect is bad.
Therefore, a kind of restriction orifice assembly is needed in market badly, not only simple in structure, easy for installation, and can realize good current limitation effect.
Model utility content
The purpose of this utility model is, propose a kind of simple in structure, easy for installation, the restriction orifice assembly that current limitation effect is good.
For reaching this object, the utility model by the following technical solutions:
A kind of restriction orifice assembly, comprise nut, one end of described nut is provided with connection short tube, and the other end of described nut is provided with screw nipple, between described connection short tube and described screw nipple, be provided with containing space, in described containing space, be provided with at least one group of current limliting assembly;
Described current limliting assembly comprises pad, one-level restriction orifice, retaining collar and the secondary restriction orifice that connects successively setting.
Further, in described containing space, be provided with two groups of current limliting assemblies, between two groups of current limliting assemblies, be provided with for connecting the grip slipper of two groups of current limliting assemblies;
Described grip slipper and described secondary restriction orifice are mutually in succession.
Further, the cross section of described secondary restriction orifice is I shape;
Described grip slipper is provided with draw-in groove, and described secondary restriction orifice is connected with described grip slipper clamping.
Further, described retaining collar is fixed on described nut by fixing pin.
Further, on described grip slipper, offer for the through hole for fluid process.
Further, in the front opening of described screw nipple, be provided with internal thread, the rear end pipe of described screw nipple is provided with outside thread with it.
Further, the rear end pipe shaft of described screw nipple is located in described nut, between described screw nipple and described nut, is threaded connection.
Preferably, the front end of described screw nipple is provided with boss ring, and it is inner that described boss ring is positioned at described nut, and described boss ring is connected with the inner thread of nut.
The beneficial effects of the utility model are: the restriction orifice modular construction in the utility model is simple, easy for installation, and current limitation effect is good, are applicable to large-scale promotion and use.
Current limliting assembly in the utility model can carry out as required the length of the pipe fitting of current limliting and carry out being used in combination of many group current limliting assemblies, and usage mode is more flexible, and Applicable scope is wider.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the restriction orifice assembly of the utility model embodiment proposition.
In figure:
1, screw nipple; 2, nut; 3, pad; 4, the first retaining collar; 5, the first fixing pin; 6, the second fixing pin; 7, the second retaining collar; 8, the first restriction orifice; 9, the second restriction orifice; 10, grip slipper; 11, the 4th restriction orifice; 12, connect short tube; 13, the 3rd restriction orifice.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, further illustrate the technical solution of the utility model.
As shown in Figure 1, it is the restriction orifice assembly that the utility model embodiment proposes, comprise nut 2, one end of described nut 2 is provided with and connects short tube 12, the other end of described nut 2 is provided with screw nipple 1, between described connection short tube 12 and described screw nipple 1, be provided with containing space, in described containing space, be provided with at least one group of current limliting assembly.
Wherein, described current limliting assembly comprises pad, one-level restriction orifice, retaining collar and the secondary restriction orifice that connects successively setting.
As a kind of concrete mode of execution, in described containing space in the utility model, be provided with two groups of current limliting assemblies, between two groups of current limliting assemblies, be provided with for connecting the grip slipper 10 of two groups of current limliting assemblies, described grip slipper 10 and described secondary restriction orifice mutually in succession, offer on described grip slipper 10 for the through hole for fluid process.
Its concrete Placement is to be provided with successively from left to right pad 3, the first restriction orifice 8, the first retaining collar 4, the second restriction orifice 9, grip slipper 10, the 3rd restriction orifice 13, the second retaining collar 7, the 4th restriction orifice 11 and pad between screw nipple 1 and connection short tube 12.Wherein, the first restriction orifice 8 and the 4th restriction orifice 11 belong to one-level restriction orifice, and the second restriction orifice 9 and the 3rd restriction orifice 13 belong to secondary restriction orifice.
As preferred embodiment a kind of, belong to the second restriction orifice 9 of described secondary restriction orifice and the cross section of the 3rd restriction orifice 13 is I shape.Described grip slipper 10 is provided with draw-in groove, between the second restriction orifice 9 and the 3rd restriction orifice 13 and described grip slipper 10, by snap fit, is connected.
Described retaining collar is fixed on described nut 2 by fixing pin.In specific implementation process, on the first retaining collar 4, by the first fixing pin 5, be fixed on nut 2, the second retaining collar 7 is fixed on nut 2 by the second fixing pin 6.
As further embodiment, in the front opening of described screw nipple 1, be provided with internal thread, the rear end pipe of described screw nipple 2 is provided with outside thread with it.The rear end pipe shaft of described screw nipple 1 is located in described nut, between described screw nipple 1 and described nut 2, is threaded connection.
The front end of described screw nipple is provided with boss ring, and described boss ring is positioned at described nut 2 inside, and described boss ring is connected with the inner thread of nut 2.
Restriction orifice modular construction in the utility model is simple, easy for installation, and current limitation effect is good, is applicable to large-scale promotion and uses.
Current limliting assembly in the utility model can carry out as required the length of the pipe fitting of current limliting and carry out being used in combination of many group current limliting assemblies, and usage mode is more flexible, and Applicable scope is wider.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection domain.Explanation based on herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, within these modes all will fall into protection domain of the present utility model.
Claims (8)
1. a restriction orifice assembly, it is characterized in that: comprise nut (2), one end of described nut (2) is provided with and connects short tube (12), the other end of described nut (2) is provided with screw nipple (1), between described connection short tube (12) and described screw nipple (1), be provided with containing space, in described containing space, be provided with at least one group of current limliting assembly;
Described current limliting assembly comprises pad, one-level restriction orifice, retaining collar and the secondary restriction orifice that connects successively setting.
2. restriction orifice assembly according to claim 1, is characterized in that: in described containing space, be provided with two groups of current limliting assemblies, be provided with the grip slipper (10) for connecting two groups of current limliting assemblies between two groups of current limliting assemblies;
Described grip slipper (10) and described secondary restriction orifice are mutually in succession.
3. restriction orifice assembly according to claim 2, is characterized in that: the cross section of described secondary restriction orifice is I shape;
Described grip slipper (10) is provided with draw-in groove, and described secondary restriction orifice is connected with described grip slipper (10) clamping.
4. restriction orifice assembly according to claim 3, is characterized in that: described retaining collar is fixed on described nut (2) by fixing pin.
5. restriction orifice assembly according to claim 4, is characterized in that: on described grip slipper (10), offer for the through hole for fluid process.
6. restriction orifice assembly according to claim 5, is characterized in that: in the front opening of described screw nipple (1), be provided with internal thread, the rear end pipe of described screw nipple (1) is provided with outside thread with it.
7. restriction orifice assembly according to claim 6, is characterized in that: the rear end pipe shaft of described screw nipple (1) is located in described nut (2), between described screw nipple (1) and described nut (2), is threaded connection.
8. restriction orifice assembly according to claim 7, is characterized in that: the front end of described screw nipple is provided with boss ring, and described boss ring is positioned at described nut (2) inside, and described boss ring is connected with the inner thread of nut (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420399058.3U CN204005009U (en) | 2014-07-19 | 2014-07-19 | A kind of restriction orifice assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420399058.3U CN204005009U (en) | 2014-07-19 | 2014-07-19 | A kind of restriction orifice assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204005009U true CN204005009U (en) | 2014-12-10 |
Family
ID=52045012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420399058.3U Expired - Fee Related CN204005009U (en) | 2014-07-19 | 2014-07-19 | A kind of restriction orifice assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204005009U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075069A (en) * | 2014-07-19 | 2014-10-01 | 李彩云 | Throttling orifice plate component |
-
2014
- 2014-07-19 CN CN201420399058.3U patent/CN204005009U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075069A (en) * | 2014-07-19 | 2014-10-01 | 李彩云 | Throttling orifice plate component |
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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 |
Granted publication date: 20141210 Termination date: 20150719 |
|
| EXPY | Termination of patent right or utility model |