CN206352669U - A kind of trim ring location structure for ultralow temperature upper-mounting type ball valve - Google Patents
A kind of trim ring location structure for ultralow temperature upper-mounting type ball valve Download PDFInfo
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- CN206352669U CN206352669U CN201720028897.8U CN201720028897U CN206352669U CN 206352669 U CN206352669 U CN 206352669U CN 201720028897 U CN201720028897 U CN 201720028897U CN 206352669 U CN206352669 U CN 206352669U
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- trim ring
- groove
- location structure
- ultralow temperature
- valve
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Abstract
The utility model discloses a kind of trim ring location structure for ultralow temperature upper-mounting type ball valve, including valve seat, the cylindrical body of both ends open；Valve body, sealing is set on the outside of the valve seat；Trim ring, is set on the valve body positioned at valve seat inner side and removably fixation；The trim ring forms the location structure for positioning, avoiding the trim ring to be moved with valve body；This structure is compared to prior art guide ring, and dismounting is more easy, dismounting of the easy access personnel to trim, realizes real quick on-bne repair truly.
Description
Technical field
The utility model is related to ball valve technical field, and in particular to a kind of trim ring positioning knot that formula ball valve is filled for ultralow temperature
Structure.
Background technology
To prevent ultralow temperature upper-mounting type ball valve from leaking, it is necessary to assure the trim ring in ball valve will not be slipped, it is ensured that
Being tightly connected between valve seat and trim ring.Traditional trim ring positioning uses back-up ring stationary positioned mode, its mounting means one
As to process ring-shaped groove on valve pocket, back-up ring is installed along ring-shaped groove, limits the axial movement of trim ring.
Current ultralow temperature upper-mounting type ball valve uses two kinds of mounting means of embedded back-up ring (such as Fig. 1) and end back-up ring (such as Fig. 2),
It is chain structure wherein to embed back-up ring, and complex process, manufacturing cost is high；End back-up ring is cirque structure, except having one to size
Outside fixed required precision, also require that material has certain elasticity, be easily installed compared to embedded back-up ring, and can fixedly positioning, but
Dismounting is relatively difficult；Above two back-up ring is both needed to make complete annular retaining ring body, inconvenience is installed, especially for on-bne repair
Large bore valves, it is desirable at the scene by simple instrument be difficult to take out back-up ring.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome the inconvenience installation of prior art guide ring, is difficult to take
The defect gone out, so that provide a kind of simple and reliable for structure, the easy trim ring location structure that formula ball valve is filled for ultralow temperature of dismounting.
A kind of trim ring location structure for ultralow temperature upper-mounting type ball valve, including
Valve seat, the cylindrical body of both ends open；
Valve body, sealing is set on the outside of the valve seat；
Trim ring, removably the valve seat inner side and fixation are set on the valve body；
The trim ring forms the location structure for positioning, avoiding the trim ring to be moved with valve body.
It is preferred that, the location structure includes taking shape in the inner headed face that the valve body is connected with the periphery of the trim ring
On the first groove, be arranged at the trim ring and the second groove corresponding with first groove, be positioned over first groove
The hardware in space formed with the second groove, it is described to limit above first groove, for mounting screw
The screw of hardware, and be arranged at the trim ring and be not connected one end with the valve body, for taking out the logical of the hardware
Hole.
It is preferred that, the hardware is more than the second groove vertical direction with the size in the trim ring vertical direction
On size, the size on no more than described first groove and the second groove vertical direction.
It is preferred that, first groove and the second groove are semicircle, and the hardware is steel ball.
It is preferred that, the through hole is provided with for the groove that alignd with the screw.
Technical solutions of the utility model, have the following advantages that：
1. the trim ring location structure for ultralow temperature upper-mounting type ball valve of a new offer, between the trim ring and valve body into
Type has a location structure for positioning, avoiding trim ring to be moved, including respectively it is corresponding be arranged on valve body and trim ring
One groove and the second groove, are positioned over the hardware in the space of the first groove and the formation of the second groove, positioned at the first groove
Top, for mounting screw to limit the screw of hardware, and be arranged at trim ring and be not connected side with valve body, for taking out gold
The through hole of metal elements；This structure is compared to back-up ring, and dismounting is more easy, and dismounting of the easy access personnel to trim is real
Now real quick on-bne repair truly.
2. the trim ring location structure for ultralow temperature upper-mounting type ball valve of a new offer, hardware and trim ring Vertical Square
Upward size is more than the chi on the size on the second groove vertical direction, no more than the first groove and the second groove vertical direction
It is very little；This structure is to ensure that the hardware can effectively play a part of the limitation trim ring.
3. the trim ring location structure for ultralow temperature upper-mounting type ball valve of a new offer, through hole, which is provided with, to be used for and screw
Alignd groove, and this structure can be quickly torn open according to groove prompting during trim is dismounted for the ease of maintainer
Installation and positioning structure is unloaded, shortens the repair time.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
The overall structure profile for the ultralow temperature upper-mounting type ball valve that Fig. 1 provides for the utility model；
The amplification profile for the trim ring location structure that Fig. 2 provides for the utility model；
Description of reference numerals：
1- valve bodies, the grooves of 11- first, 12- screws, 2- valve seats, 3- trim rings, the grooves of 32- second, 33- through holes, 4- metal structures
Part.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " are, based on orientation shown in the drawings or position relationship, to be only
Described for the ease of description the utility model and simplifying, rather than to indicate or imply that signified device or element must have specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
The overall structure profile for the ultralow temperature upper-mounting type ball valve that Fig. 1 provides for the utility model；Fig. 2 is the utility model
The enlarged fragmentary cross section of the trim ring location structure of offer.
As depicted in figs. 1 and 2, the trim ring location structure, including valve seat 2, the cylindrical body of both ends open；Valve body 1, sealing
It is set on the outside of the valve seat；Trim ring 3, is set on the valve body positioned at the inner side of valve seat 2 and removably fixation；Especially
, the location structure for positioning, avoiding the trim ring 3 to be moved is formed between the trim ring 3 and valve body 1.
Specifically, the location structure includes taking shape in the inner circle that the valve body 1 is connected with the periphery of the trim ring 3
The first groove 11 on face, is arranged at the trim ring 3 and second groove 32 corresponding with first groove 11, is positioned over institute
The hardware 4 in the space of the first groove 11 and the formation of the second groove 32 is stated, positioned at the top of the first groove 11, for pacifying
Cartridge screw is to limit the screw 12 of the hardware 4, and is arranged at the trim ring 3 and is not connected side with the valve body 1, is used for
Take out the through hole 33 of the hardware 4；This structure is compared to prior art guide ring, and dismounting is more easy, is easy to inspection
Dismounting of the personnel to trim is repaiied, real quick on-bne repair truly is realized.
Further, the hardware 4 and the size in the vertical direction of trim ring 3 are vertical more than second groove 32
Size on size on direction, the no more than described vertical direction of first groove, 11 and second groove 32；This structure be in order to
Ensure that the hardware 4 can effectively play a part of the limitation trim ring 3.
Further, the groove 32 of the first groove 11 and second is hemispherical, and the hardware 4 is steel ball；Need
Illustrate, the hemispherical of the groove 32 of the first groove 11 and second is the preferred scheme of the present embodiment, also can be according to circumstances
With need select other shapes, the hardware 4 is selected according to the shape of the groove 32 of the first groove 11 and second
Optimal case.
Further, the through hole 33 is provided with for the groove that alignd with the screw 12, and this structure is for the ease of inspection
Location structure can quickly be removed and installed during trim is dismounted according to groove prompting by repairing personnel, shorten the repair time.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (5)
1. a kind of trim ring location structure for ultralow temperature upper-mounting type ball valve, including
Valve seat (2), the cylindrical body of both ends open；
Valve body (1), sealing is set on the outside of the valve seat (2)；
Trim ring (3), is set on the valve body (1) positioned at the valve seat (2) inner side and removably fixation；
Characterized in that, the trim ring (3) is formed for positioning, avoiding the trim ring (3) from being moved with the valve body (1)
Trim ring location structure.
2. the trim ring location structure according to claim 1 for ultralow temperature upper-mounting type ball valve, it is characterised in that the pressure
It is first recessed that delineation bit architecture includes taking shape on the inner headed face that the valve body (1) is connected with the periphery of the trim ring (3)
Groove (11), is arranged at the trim ring (3) and the second groove (32) corresponding with first groove (11), is positioned over described
Hardware (4) in the space of one groove (11) and the second groove (32) formation, above first groove (11), is used
In mounting screw to limit the screw (12) of the hardware (4), and be arranged at the trim ring (3) not with the valve body (1)
Connect one end, the through hole (33) for taking out the hardware (4).
3. the trim ring location structure according to claim 2 for ultralow temperature upper-mounting type ball valve, it is characterised in that the gold
Metal elements (4) are more than the size on the second groove (32) vertical direction with the size in the trim ring (3) vertical direction, no
More than the size on first groove (11) and the second groove (32) vertical direction.
4. according to any described trim ring location structures for ultralow temperature upper-mounting type ball valve of claim 1-3, it is characterised in that
First groove (11) and the second groove (32) are semicircle, and the hardware (4) is steel ball.
5. the trim ring location structure according to claim 2 for ultralow temperature upper-mounting type ball valve, it is characterised in that described logical
Hole (33) is provided with for the groove that alignd with the screw (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720028897.8U CN206352669U (en) | 2017-01-11 | 2017-01-11 | A kind of trim ring location structure for ultralow temperature upper-mounting type ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720028897.8U CN206352669U (en) | 2017-01-11 | 2017-01-11 | A kind of trim ring location structure for ultralow temperature upper-mounting type ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206352669U true CN206352669U (en) | 2017-07-25 |
Family
ID=59348451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720028897.8U Active CN206352669U (en) | 2017-01-11 | 2017-01-11 | A kind of trim ring location structure for ultralow temperature upper-mounting type ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206352669U (en) |
-
2017
- 2017-01-11 CN CN201720028897.8U patent/CN206352669U/en active Active
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