CN204942633U - A kind of safety check - Google Patents
A kind of safety check Download PDFInfo
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- CN204942633U CN204942633U CN201520588188.6U CN201520588188U CN204942633U CN 204942633 U CN204942633 U CN 204942633U CN 201520588188 U CN201520588188 U CN 201520588188U CN 204942633 U CN204942633 U CN 204942633U
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- guiding
- floral disc
- sphere
- valve body
- safety check
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Abstract
The utility model discloses a kind of safety check, comprising: valve body, comprise the first order to third level step; First guiding floral disc, comprises the first center hole, is arranged in valve body, is stuck in the side of first order step; Sphere valve seat, comprises the second center hole, is arranged in valve body, is stuck in the side of second level step; Sphere core, for sealing the second center hole, sphere core and first leads between floral disc and is connected with a Returnning spring; First guide rod, one end is fixedly installed on sphere core, and the other end is arranged in the first center hole; Second guiding floral disc, comprises the 3rd center hole, and the second guiding floral disc is arranged on the side of sphere valve seat; Valve body gland, is stuck in the side of third level step, for pushing down sphere valve seat and the second guiding floral disc; Second guide rod, is fixedly installed on sphere core, the inside of interting from the 3rd center hole to valve body gland; Solve the spool of safety check in prior art for this reason and depart from the technical problem of central position, avoid spool bad valve seat.
Description
Technical field
The utility model relates to oil flood pattern pipe valve technical field, particularly a kind of safety check.
Background technique
Safety check refers to and relies on medium flowing itself and automatic open and close flap, is used for the valve preventing medium from flowing backwards, also known as check valve, one-way valve, reflux valve and back pressure valve.
Now, the check valve spool of oil field flood pattern mostly is plunger type spool, and spool just one side has guide rod, and such as model is " H82Y-160 " safety check.This safety check is in use because plunger type spool just simultaneously has guide rod, when plunger type spool is opened under water impact effect, plunger type spool departs from central position, when plunger type spool and valve seat close because valve seat breaks by plunger type spool, valve seat decentraction, cause plunger type spool to coordinate imprecision with valve seat, do not reach object of damming.
Visible, in prior art there is the technical problem that plunger type spool departs from central position in the plunger type spool of safety check under the percussion of flowing medium.
Summary of the invention
The utility model embodiment provides a kind of safety check, and the plunger type spool for solving safety check in prior art departs from the technical problem of central position under the percussion of flowing medium, avoids spool to depart from central position and breaks valve seat.
The embodiment of the present application provides a kind of safety check, and described safety check comprises:
Valve body, comprises first order step, second level step and third level step;
First guiding floral disc, comprises the first center hole, and described first guiding floral disc is arranged in described valve body, and described first guiding floral disc is stuck in the side of described first order step;
Sphere valve seat, comprises the second center hole, and described sphere valve seat is arranged in described valve body, and described sphere valve seat is stuck in the side of described second level step;
Sphere core, mates mutually with described sphere valve seat, and for sealing described second center hole, described sphere core and described first leads between floral disc and is connected with a Returnning spring;
First guide rod, one end is fixedly installed on described sphere core one side end face, and the other end is arranged in described first center hole;
Second guiding floral disc, comprises the 3rd center hole, and described second guiding floral disc is arranged on the side of described sphere valve seat;
Valve body gland, is stuck in the side of described third level step, is threaded connection with described valve body, for pushing down described sphere valve seat and described second guiding floral disc;
Second guide rod, is fixedly installed on described sphere core opposite side end face, the inside of interting from described 3rd center hole to described valve body gland.
Optionally, described second guiding floral disc is specially: T-shaped guiding floral disc; The end face of described valve body gland comprises a T-shaped groove;
Wherein, the T-shaped groove of described T-shaped guiding floral disc and described valve body gland is connected together.
Optionally, described safety check also comprises:
Seal ring, is arranged in the gap between described sphere valve seat and described third level step.
Optionally, described first guiding floral disc is also provided with boss, and described boss surrounding is provided with N number of flowing hole;
Described second guiding floral disc the second center hole surrounding be provided with M flowing hole, M, N be more than or equal to 2 positive number.
Optionally, the end face of described sphere core side is provided with boss; One end of described Returnning spring is stuck on the boss of described first guiding floral disc, the other end is stuck on the boss of described sphere core.
Optionally, described safety check also comprises:
First seal groove and the first slip groove, be arranged on described valve body; Second slip groove and the second seal groove, arranged on described valve body gland.
Above-mentioned one or more technological scheme in the embodiment of the present application, at least has following technique effect:
By arranging sphere core in the valve body of safety check, and the first guide rod and the second guide rod are set respectively in the both sides of sphere core, respectively guide rod is inserted the first guiding floral disc and the second guiding floral disc, make sphere core under the impact of the medium of flowing along place, valve seat central position straight line motion, the plunger type spool solving safety check in prior art departs from the technical problem of central position under the percussion of flowing medium, avoid spool to depart from central position and break valve seat, meanwhile, change plunger type and be sealed into ball face sealing, spool and valve seat sphere-contact more easily reset, extend the working life of safety check.
Accompanying drawing explanation
The sectional drawing of the safety check that Fig. 1 provides for the embodiment of the present application.
Embodiment
In the technological scheme that the embodiment of the present application provides, support by spool one side there being guide rod and change into that spool is two-sided has guide rod to support, make sphere core under the impact of the medium of flowing along place, valve seat central position straight line motion, the plunger type spool solving safety check in prior art departs from the technical problem of central position under the percussion of flowing medium, avoids spool to depart from central position and breaks valve seat.
Below in conjunction with accompanying drawing, the main of the embodiment of the present application technological scheme is realized principle, embodiment and be explained in detail the beneficial effect that should be able to reach.
Embodiment
Please refer to Fig. 1, the embodiment of the present application provides a kind of safety check, and described safety check comprises:
Valve body 4, comprises first order step, second level step and third level step;
First guiding floral disc 3, comprises the first center hole, and described first guiding floral disc 3 is arranged in described valve body 4, and described first guiding floral disc 3 is stuck in the side of described first order step;
Sphere valve seat 8, comprises the second center hole, and described sphere valve seat 8 is arranged in described valve body 4, and described sphere valve seat 8 is stuck in the side of described second level step;
Sphere core 7, mates mutually with described sphere valve seat 8, and for sealing described second center hole, described sphere core 7 and described first leads between floral disc 3 and is connected with a Returnning spring;
First guide rod 6, one end is fixedly installed on described sphere core 7 one side end face, and the other end is arranged in described first center hole;
Second guiding floral disc 9, comprises the 3rd center hole, and described second guiding floral disc 9 is arranged on the side of described sphere valve seat 8;
Valve body gland 11, is stuck in the side of described third level step, is threaded connection with described valve body 4, for pushing down described sphere valve seat 8 and described second guiding floral disc 9;
Second guide rod 10, is fixedly installed on described sphere core 7 opposite side end face, the inside of interting from described 3rd center hole to described valve body gland 11.
In specific implementation process, safety check is applicable to the pipeline that flood pattern prevents medium counter flow.Wherein, the second guiding floral disc 9 is specifically as follows: T-shaped guiding floral disc; Accordingly, the end face of valve body gland 11 comprises a T-shaped groove; The T-shaped groove of T-shaped guiding floral disc and valve body gland 11 is connected together.In order to increase the sealing between sphere valve seat 8 and valve body 4, the safety check that the embodiment of the present application provides also comprises: seal ring, is arranged in the gap between sphere valve seat 8 and third level step, plays seal action.
Further, the first guiding floral disc 3 is also provided with boss, and this boss surrounding is provided with N number of flowing hole; Second center hole surrounding of the second guiding floral disc 9 is also provided with M flowing hole, M, N be more than or equal to 2 positive number, flowing hole is for providing passage for the circulation of medium.In addition, the end face of sphere core 7 side is also provided with boss, one end of Returnning spring is stuck on the boss of the first guiding floral disc 3, the other end is stuck on the boss of sphere core 7, Returnning spring is used for making sphere core 7 automatically return to sphere valve seat 8.
First seal groove 1 and the first slip groove 2, is arranged on described valve body 4; Second slip groove 12 and the second seal groove 13, is arranged on described valve body gland 11.First seal groove 1 and the second seal groove 13 are for placing steel ring sealing; First slip groove 2 and the second slip groove 12, for being connected with slips, make described safety check be connected in pipeline.
During installation, guiding floral disc, Returnning spring, sphere core 7, sphere valve seat 8, T-shaped guiding floral disc are contained in valve body 4 successively, and the minimum first order step of valve body 4 mesoporous is used for blocking guiding floral disc; Returnning spring side is stuck on the boss of guiding floral disc, and the other one end of Returnning spring is stuck on the boss of sphere core 7; First guide rod 6 of sphere core 7 side inserts in the center hole of the first guiding floral disc 3, the sphere of sphere core 7 and the mating spherical surfaces of sphere valve seat 8; The second largest second level step of valve body 4 mesoporous is used for blocking sphere valve seat 8; In sphere valve seat 8 and valve body 4 maximum diameter of hole third level step between gap seal ring is installed; The T-shaped groove fit of T-shaped guiding floral disc and valve body gland 11, the center hole of T-shaped guiding floral disc is enclosed within the second guide rod 10 of sphere core 7 opposite side; Valve body gland 11 screws in the interior threaded hole of valve body 4, pushes down sphere valve seat 8 and seal ring together with T-shaped guiding floral disc; Put into steel ring sealing in first seal groove 1, second seal groove 13, the first slip groove 2, second slip groove 12 is snap-fit attachment in pipeline by slips.
The safety check that the embodiment of the present application provides, spool is two-sided has guide rod to support to be had by spool one side guide rod support to change into, spool more easily resets, make check valve spool action sensitiveer, avoid spool under water impact, depart from the problem occurring when plunger type spool that central position causes and valve seat close to misplace, and then avoid the damage of spool, valve seat, relieving safety check can not the potential safety hazard of throttling.
Meanwhile, ball face sealing is changed in plunger type sealing, and spool and valve seat sphere-contact more easily reset, and extend more than 5 times working life, and spool, valve seat, guiding floral disc are set to the device that can be separated from each other, and can arbitrarily change, esy to use, safe and reliable.
Although described preferred embodiment of the present utility model, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the utility model scope.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (6)
1. a safety check, is characterized in that, described safety check comprises:
Valve body, comprises first order step, second level step and third level step;
First guiding floral disc, comprises the first center hole, and described first guiding floral disc is arranged in described valve body, and described first guiding floral disc is stuck in the side of described first order step;
Sphere valve seat, comprises the second center hole, and described sphere valve seat is arranged in described valve body, and described sphere valve seat is stuck in the side of described second level step;
Sphere core, mates mutually with described sphere valve seat, and for sealing described second center hole, described sphere core and described first leads between floral disc and is connected with a Returnning spring;
First guide rod, one end is fixedly installed on described sphere core one side end face, and the other end is arranged in described first center hole;
Second guiding floral disc, comprises the 3rd center hole, and described second guiding floral disc is arranged on the side of described sphere valve seat;
Valve body gland, is stuck in the side of described third level step, is threaded connection with described valve body, for pushing down described sphere valve seat and described second guiding floral disc;
Second guide rod, is fixedly installed on described sphere core opposite side end face, the inside of interting from described 3rd center hole to described valve body gland.
2. safety check as claimed in claim 1, is characterized in that, described second guiding floral disc is specially: T-shaped guiding floral disc; The end face of described valve body gland comprises a T-shaped groove;
Wherein, the T-shaped groove of described T-shaped guiding floral disc and described valve body gland is connected together.
3. safety check as claimed in claim 1, it is characterized in that, described safety check also comprises:
Seal ring, is arranged in the gap between described sphere valve seat and described third level step.
4. safety check as claimed in claim 1, is characterized in that, described first guiding floral disc is also provided with boss, and described boss surrounding is provided with N number of flowing hole;
Described second guiding floral disc the second center hole surrounding be provided with M flowing hole, M, N be more than or equal to 2 positive number.
5. safety check as claimed in claim 4, is characterized in that, the end face of described sphere core side is provided with boss; One end of described Returnning spring is stuck on the boss of described first guiding floral disc, opposite side is stuck on the boss of described sphere core.
6. the safety check as described in as arbitrary in Claims 1 to 5, it is characterized in that, described safety check also comprises:
First seal groove and the first slip groove, be arranged on described valve body; Second slip groove and the second seal groove, arranged on described valve body gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520588188.6U CN204942633U (en) | 2015-08-06 | 2015-08-06 | A kind of safety check |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520588188.6U CN204942633U (en) | 2015-08-06 | 2015-08-06 | A kind of safety check |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204942633U true CN204942633U (en) | 2016-01-06 |
Family
ID=55010065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520588188.6U Active CN204942633U (en) | 2015-08-06 | 2015-08-06 | A kind of safety check |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204942633U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869429A (en) * | 2018-08-08 | 2018-11-23 | 北京特种机械研究所 | A method of control one-directional fluid flow |
| CN113530489A (en) * | 2021-06-15 | 2021-10-22 | 中国石油化工股份有限公司 | Anti-pollution packer and anti-pollution well-washing and swabbing integrated pipe column |
| CN114607811A (en) * | 2020-12-09 | 2022-06-10 | 中国石油天然气股份有限公司 | High-pressure check valve |
-
2015
- 2015-08-06 CN CN201520588188.6U patent/CN204942633U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869429A (en) * | 2018-08-08 | 2018-11-23 | 北京特种机械研究所 | A method of control one-directional fluid flow |
| CN114607811A (en) * | 2020-12-09 | 2022-06-10 | 中国石油天然气股份有限公司 | High-pressure check valve |
| CN113530489A (en) * | 2021-06-15 | 2021-10-22 | 中国石油化工股份有限公司 | Anti-pollution packer and anti-pollution well-washing and swabbing integrated pipe column |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |