CN207486166U - A kind of valve for improving assembling structure - Google Patents
A kind of valve for improving assembling structure Download PDFInfo
- Publication number
- CN207486166U CN207486166U CN201721276901.9U CN201721276901U CN207486166U CN 207486166 U CN207486166 U CN 207486166U CN 201721276901 U CN201721276901 U CN 201721276901U CN 207486166 U CN207486166 U CN 207486166U
- Authority
- CN
- China
- Prior art keywords
- valve
- clamp spring
- valve deck
- deck
- annular groove
- 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 discloses a kind of valves for improving assembling structure, it includes valve deck and valve body, further include a clamp spring, valve deck has a cylindrical body, cylindrical body has the eaves shape structure of circumferential evagination in openend, valve body have can hold the opening that valve deck eaves shape structure is inserted in, valve body openings have the limited step for extending internally and being formed from opening inner wall in the side of close valve chamber, the side wall of valve body openings offers an annular groove being recessed outward, valve deck is sheathed on valve body openings, valve deck eaves shape structure is butted on the end face of limited step, clamp spring is sheathed on except valve deck columnar body and is stuck in the annular groove, the eaves shape structure qualification of valve deck is between limited step end face and clamp spring.The connection structure of the utility model is easy and reliable, and assembling and repair are very convenient.
Description
Technical field
The utility model is related to valve technology fields.
Background technology
Piston reducing valve is a kind of more common type in pressure reducing valve, as shown in Figure 1, the connection of its valve deck and valve body
Use flanged joint or silk tooth connection mode.In this structure of relief pressure valve, valve deck play to the protecting of spring, fix and
Position the effect of adjustment spring preact power.It, will without sealing between valve deck and valve body because of piston and the sealing relationship of piston cylinder
It asks.It is worth noting that, in this structure type, the valve deck of spring shield effect is played, intracavity diameter decides can in cover
The diameter and model of the spring of receiving, and the flow of pressure reducing valve and sensitivity then have direct relationship with spring.Therefore, valve deck
Intracavity diameter is bigger, then the equipped optional diameter range of spring is also big, more advantageous to the flow and sensitivity of pressure reducing valve.Valve deck
The volume of (spring shield) and cost also close relation.
As shown in Figures 2 and 3, valve deck 1 and the screw connection point of valve body 2 are respectively arranged with external screw thread and internal thread, and
It is hexagonal mounting portion 1.3 between the threaded joints 1.1 of valve deck 1 and spring shield 1.2, outer surface must be polygon, with
Suitable for the operation of spanner.Due to shape requirement and the screw thread process requirement of hexagonal (polygon) mounting portion, lead to spring shield 1.2
Internal diameter is much smaller than the outer diameter of threaded joints 1.1, that is to say, that the spring in spring shield can not use the type of larger diameter
Number.
Utility model content
The purpose of this utility model is to provide a kind of valves for improving assembling structure, simplify the difficulty of processing and installation
Degree, and the internal volume of valve deck is enable to accomplish diameter bigger.
To achieve these goals, the utility model employs following technical scheme：A kind of valve for improving assembling structure
Door including valve deck and valve body, further includes a clamp spring, and valve deck has a cylindrical body, and cylindrical body has week in openend outward
Prominent eaves shape structure, valve body have with that can hold the opening that valve deck eaves shape structure is inserted in, valve body openings in the side close to valve chamber
The limited step for extending internally and being formed from opening inner wall, the side wall of valve body openings offer an annular groove being recessed outward,
Valve deck is sheathed on valve body openings, and valve deck eaves shape structure is butted on the end face of limited step, and clamp spring is sheathed on except valve deck columnar body
And be stuck in the annular groove, the eaves shape structure qualification of valve deck is between limited step end face and clamp spring.
The outer diameter of clamp spring is bigger than the internal diameter of annular groove, and the indentation, there of clamp spring is equipped with a pair of symmetrical pincers hole seat, pincers
Pincers hole is offered in hole seat, pincers hole is inserted into for plier and reduces the notch of clamp spring to be inserted in annular groove.
As a kind of preferred embodiment, pincers hole seat is to protrude outward and formed from the periphery of clamp spring indentation, there, valve body
An assembling notch is offered for accommodating the pincers hole seat of clamp spring.This frame mode can make to be placed on the valve deck inside clamp spring
Size accomplish maximum.
As another embodiment, pincers hole seat is to extend internally and formed from the inner ring of clamp spring indentation, there.
The clamp spring is axis clamp spring, and the internal diameter of clamp spring is smaller than valve deck cylindrical body outer diameter, and clamp spring, which has, externally protrudes out in clamp spring
The pincers hole seat of outer diameter clamps and offers the pincers hole being inserted into for plier in hole seat, and valve body openings offer an assembling notch, for accommodating
The pincers hole seat of clamp spring.
As another embodiment, the clamp spring is hole card spring, and the outer diameter of clamp spring is bigger than the internal diameter of annular groove.
Specifically, the width of clamp spring is more than the depth of annular groove, and is less than outside valve body openings side wall and cylindrical body
Radial distance between wall, just clamp spring can be inserted in and be stuck in annular groove from valve body openings side.
Axial distance between annular groove and limited step is equal with the height of eaves shape structure, so as to which valve deck be enable to fix
In clamp spring between valve body.
The utility model improves the assembling structure of valve deck and valve body, is assembled the two one using clamp spring connection mode
It rises, after eliminating screw thread, the side wall of valve deck does not need to the reserved depth of thread and the necessary radial slack of screw thread process mold base, no
But manufacture cost is reduced, valve deck internal diameter is also allow to do as far as possible greatly.The accommodation space maximization of valve deck helps to improve valve
The performance of door, makes pressure difference responding ability and index of discharge etc. that can get a promotion.Cancel screw connection structure, also avoid screw thread
The stripped thread situation occurred after being destroyed, makes product service life longer.The connection structure of the utility model is easy and reliable, assembling
And repair is very convenient, is particularly suitable for application to pressure reducing valve.
Description of the drawings
Fig. 1 is the overall structure diagram of existing pressure reducing valve.
Fig. 2 is the valve deck external structure schematic diagram of existing pressure reducing valve.
Fig. 3 is the valve inner structure diagram of existing pressure reducing valve.
Fig. 4 is the valve body and valve deck schematic diagram before the utility model assembling.
Fig. 5 is the schematic diagram after the utility model assembling.
Fig. 6 is evagination clip spring structure schematic diagram.
Fig. 7 is interior prominent clip spring structure schematic diagram.
Valve deck 1, threaded joints 1.1, spring shield 1.2, hexagonal mounting portion 1.3, eaves shape structure 1.4, valve body 2, assembling lack
Mouth 2.1, groove 2.2, step 2.3, valve rod 3, upstream 4, valve block 5, lower capping 6, downstream 7, clamp spring 8 clamp hole seat 8.1, clamp hole
8.2。
Specific embodiment
Axial direction in this specification refers to the axis of the component (such as cylindrical body of valve deck) with rotation body characteristics
Direction, radially refers to the diametric(al) of the rotary body, inside refers to close to axle center, and is referred to outside far from axle center.
It is the valve for improving assembling structure of the utility model as shown in figures 4-6, including valve deck 1, valve body 2 and card
Spring 8.Valve deck 1 has a cylindrical body, and cylindrical body has the eaves shape structure 1.4 of circumferential evagination in openend, and valve body 2 has can
Hold the opening that valve deck eaves shape structure is inserted in, valve body openings are being formed close to the side of valve chamber with extending internally from opening inner wall
Limited step 2.3, the side wall of valve body openings offers an annular groove 2.2 being recessed outward, and valve deck openend is placed on valve body
In opening, valve deck eaves shape structure 1.4 is butted on the end face of limited step 2.3, and clamp spring 8 is sheathed on except the columnar body of valve deck, and
It is stuck in annular groove 2.2, so as to make the eaves shape structure qualification of valve deck between the end face of limited step 2.3 and clamp spring 8.
As shown in fig. 6, the outer diameter of the clamp spring is bigger than the internal diameter of annular groove, the periphery of the indentation, there of clamp spring protrudes outward
Pincers hole seat 8.1 is formed, clamps and pincers hole is offered in hole seat, pincers hole is inserted into for plier and reduces the notch of clamp spring to be inserted in annular groove
It is interior.Using Circlip tongs during installation, plier is inserted into the pincers hole of clamp spring, clamp spring is inserted in the small clamp spring of retraction except cylindrical body and is opened
Mouthful, it is then placed in groove.Fixture is unclamped when assembling in place, clamp spring is resetted due to the elastic reaction of itself, is stuck in groove
It is interior.Valve body openings offer an assembling notch 2.1, for accommodating the outwardly projecting pincers hole seat 8.1 of clamp spring.The Ring Width of clamp spring
More than the depth of annular groove, and less than the radial distance between valve body openings side wall and cylindrical body outer wall, in this way, clamp spring was both
It can smoothly be inserted between valve body and valve deck, and can be stuck in groove and position-limiting action is risen to valve deck.Annular groove and limited step
Between axial distance it is equal with the height of eaves shape structure, such valve deck is in the axial direction just by the clamp spring and step positioned at both sides
It is limited, will not be shifted.
Other than the axis clamp spring used in this example, clamp spring can also use clamp spring as shown in Figure 7, and pincers hole seat is
It extends internally and is formed from the inner ring of clamp spring indentation, there.Plier is inserted into Circlip tongs hole with Circlip tongs during installation, clamps card
Spring is put into annular groove, and assembling unclamps again Circlip tongs afterwards in place.
Clamp spring entirety stress deformation puts forth effort and sets when pincers hole on clamp spring is to use Circlip tongs, it is known that, card
Even if spring is not provided with pincers hole, it is also possible to be implemented by other force structures, such as other annulars or bending position are as plier
Force structure, therefore, the clamp spring of other forms equally may be used to implement the utility model.
Illustrate by taking pressure reducing valve as an example in the present embodiment, because having in pressure reducing valve using the assembling structure of the utility model
Special significance simplifies the valve deck of connection structure, and the diameter of cylindrical body can further increase, so as to make can to hold in cylinder
The diameter increase for the spring received, to the control performance of pressure reducing valve more preferably, but is not limited to pressure reducing valve in practical applications.
Claims (6)
1. a kind of valve for improving assembling structure, including valve deck and valve body, it is characterised in that：Further include a clamp spring, valve deck tool
There is a cylindrical body, cylindrical body has the eaves shape structure of circumferential evagination in openend, and valve body has and can hold valve deck eaves shape structure
The opening being inserted in, valve body openings have the limited step for extending internally and being formed from opening inner wall, valve in the side of close valve chamber
The side wall of body opening offers an annular groove being recessed outward, and valve deck is sheathed on valve body openings, and valve deck eaves shape structure is butted on limit
The end face of position step, clamp spring are sheathed on except valve deck columnar body and are stuck in the annular groove, the eaves shape structure limit of valve deck
Due between limited step end face and clamp spring.
2. the valve according to claim 1 for improving assembling structure, it is characterised in that：The outer diameter of clamp spring compares annular groove
Internal diameter it is big, the indentation, there of clamp spring is equipped with a pair of symmetrical pincers hole seat, clamps and pincers hole is offered in hole seat, and pincers hole is inserted for plier
Enter and reduce the notch of clamp spring to be inserted in annular groove.
3. the valve according to claim 2 for improving assembling structure, it is characterised in that：It is from clamp spring indentation, there to clamp hole seat
Periphery protrude outward and formed, valve body openings offer an assembling notch for accommodate clamp spring pincers hole seat.
4. the valve according to claim 2 for improving assembling structure, it is characterised in that：It is from clamp spring indentation, there to clamp hole seat
Inner ring extend internally and formed.
5. the valve according to claim 1 for improving assembling structure, it is characterised in that：It is recessed that the width of clamp spring is more than annular
The depth of slot, and less than the radial distance between valve body openings side wall and cylindrical body outer wall.
6. the valve according to claim 1 for improving assembling structure, it is characterised in that：Annular groove and limited step it
Between axial distance it is equal with the height of eaves shape structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721276901.9U CN207486166U (en) | 2017-09-29 | 2017-09-29 | A kind of valve for improving assembling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721276901.9U CN207486166U (en) | 2017-09-29 | 2017-09-29 | A kind of valve for improving assembling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207486166U true CN207486166U (en) | 2018-06-12 |
Family
ID=62479259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721276901.9U Expired - Fee Related CN207486166U (en) | 2017-09-29 | 2017-09-29 | A kind of valve for improving assembling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207486166U (en) |
-
2017
- 2017-09-29 CN CN201721276901.9U patent/CN207486166U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180612 Termination date: 20200929 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |