CN204114267U - Pressure-limit valve mounting structure for valve - Google Patents
Pressure-limit valve mounting structure for valve Download PDFInfo
- Publication number
- CN204114267U CN204114267U CN201420437874.9U CN201420437874U CN204114267U CN 204114267 U CN204114267 U CN 204114267U CN 201420437874 U CN201420437874 U CN 201420437874U CN 204114267 U CN204114267 U CN 204114267U
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- Prior art keywords
- valve seat
- valve
- limit
- arc
- pressure
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Abstract
The utility model belongs to valve technology field, particularly relates to a kind of pressure-limit valve mounting structure for valve.It solve the technical problems such as prior art poor stability.Comprise the hole back-up ring be arranged in valve body and the first valve seat be arranged on the back-up ring of hole, be connected by circumferential positioning structure between first valve seat with hole back-up ring, first valve seat is provided with the second valve seat for mounted valve two, cylindrical portion is provided with in one end of relative first valve seat of the second valve seat, in one end of relative second valve seat of the first valve seat, there is arc-shaped concave, the one end being provided with arc-shaped concave at the first valve seat is provided with interior cylinder, spring is provided with between the first valve seat and the second valve seat, one end of spring is set in the one side that in cylindrical portion and end acts on the second valve seat, the other end of spring is set in interior cylinder and end and acts on the arc-shaped concave of the first valve seat, the one end being provided with arc-shaped concave at the first valve seat is provided with limit structure.The utility model advantage is: install rear stability good.
Description
Technical field
The utility model belongs to valve technology field, particularly relates to a kind of pressure-limit valve mounting structure for valve.
Background technique
Pressure-limit valve plays a part pressure limiting, its structure comprises valve body and is arranged on the piston in valve body, piston is connected with valve one (Sealing), valve one and the valve two (Sealing) be located in valve body with the use of, valve two on pressure-limit valve valve body, can be convenient to mounted valve two and the stability improving valve installation to improve, for this reason by spring action, people have carried out long-term exploration, propose solution miscellaneous.
Such as, Chinese patent literature discloses a kind of pressure-limit valve, and [application number: 200620013574.3], frame is arranged water intake and water outlet; The inner housing that frame internal fixtion one is made up of upper cover, lower capping, upper cover holder, lower cover holder and interior body, make to form one between outer, inner housing and connect through water cavity by inlet: frame and inner housing by connecting rod, upper and lower body seal sheet and press down ring plate and be tightly connected; Upper and lower capping is flexible; The bottom of upper cover connects interior body by upper press ring sheet, connecting rod, is furnished with one to the upper cover holder having controlling rod; Interior body, lower capping are arranged the controlling rod through hole corresponding with controlling rod, control rod aperture, by being fixed on lower cover holder on controlling rod and sealing nut is tightly connected; The program has that volume is little, intensity is high, the function of practical, pressure limiting and elimination water hammer is two-in-one; The terminal use of municipal water supply pipe network can be made need not to worry because water treatment system is subject to high pressure destruction and cause sluicing event.In addition, the sealing head of the program directly coordinates with lower casing, and its sealing is poor.
Above-mentioned scheme improves the subproblem of prior art to a certain extent, but the program also at least exists following defect: fail to solve the not easily technical problem such as installation and poor stability.
Model utility content
The purpose of this utility model is for the problems referred to above, provides the pressure-limit valve mounting structure for valve that a kind of design is more reasonable, be easy to install and can improve stability.
For achieving the above object, the utility model have employed following technical proposal: this pressure-limit valve mounting structure for valve pressure-limit valve valve comprises valve body and is arranged on the valve two in valve body, this mounting structure comprises the hole back-up ring be arranged in valve body and the first valve seat be arranged on the back-up ring of hole, be connected by circumferential positioning structure between first valve seat with hole back-up ring, first valve seat seals with valve interior wall and is connected, first valve seat is provided with the second valve seat for mounted valve two, cylindrical portion is provided with in one end of relative first valve seat of the second valve seat, one end and second valve seat of cylindrical portion are connected, the other end is closed, in one end of relative second valve seat of the first valve seat, there is arc-shaped concave, away from one end of arc-shaped concave, there is arc convex at the first valve seat, the one end being provided with arc-shaped concave at the first valve seat is provided with interior cylinder, interior cylinder one end and the first valve seat are connected, the other end is uncovered, spring is provided with between the first valve seat and the second valve seat, one end of spring is set in the one side that in cylindrical portion and end acts on the second valve seat, the other end of spring is set in interior cylinder and end and acts on the arc-shaped concave of the first valve seat, the one end being provided with arc-shaped concave at the first valve seat is provided with for preventing the second valve seat excessively to the limit structure of the first valve seat side movement.
In this application, be provided with the first valve seat and the second valve seat and can improve installation efficiency in conjunction with the structure of spring, be provided with the connective stability that cylindrical portion and interior tubular physical efficiency make between raising all parts in addition; Be provided with the join strength that circumferential positioning structure can improve joint, ensure stability during pressure-limit valve operation; Be provided with the working life that limit structure can extend pressure-limit valve; Be provided with arc-shaped concave and can improve structural strength in conjunction with arc convex, be easy to install and install after stability and join strength good, during installation, first valve two and the second valve seat are fixed, then be arranged on the first valve seat by spring, the first valve seat passing hole back-up ring is fixed in valve body.
In above-mentioned pressure-limit valve mounting structure for valve, described circumferential positioning structure comprises the some locating studs be arranged on the first valve seat, and hole back-up ring is provided with the positioning hole that the locating stud described in some confessions inserts one by one, and described locating stud inserts in positioning hole.
In above-mentioned pressure-limit valve mounting structure for valve, described limit structure comprises and is arranged on the first valve seat and is positioned at the outer cylindrical body of tubular body periphery, and described outer cylindrical height is higher than interior tubular height and form the circular groove of inserting for spring outside between cylinder and interior cylinder.
In above-mentioned pressure-limit valve mounting structure for valve, the second described valve seat and the joint of cylindrical portion are provided with the through hole of some even circumferentials distribution; Second valve seat and cylindrical portion are connected as a single entity structure.
In above-mentioned pressure-limit valve mounting structure for valve, described interior cylinder offers two corresponding cell bodies arranged, described cylindrical portion external diameter is equal to or less than the internal diameter of interior cylinder.
Compared with prior art, the advantage of this pressure-limit valve mounting structure for valve is: 1, design is more reasonable, be provided with the first valve seat and the second valve seat and can improve installation efficiency in conjunction with the structure of spring, be provided with the connective stability that cylindrical portion and interior tubular physical efficiency make between raising all parts in addition; Be provided with the join strength that circumferential positioning structure can improve joint, ensure stability during pressure-limit valve operation; Be provided with the working life that limit structure can extend pressure-limit valve; Be provided with arc-shaped concave and can improve structural strength in conjunction with arc convex, be easy to install and install after stability and join strength good, virtually improve sealing; 2, structure is simple and be easy to manufacture; 3, long service life.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model provides.
Fig. 2 is the first valve seat construction schematic diagram that the utility model provides.
Fig. 3 is the second valve seat construction schematic diagram that the utility model provides.
In figure, valve body 1, valve 2 11, piston 12, valve 1, hole back-up ring 2, positioning hole 2a, the first valve seat 3, locating stud 3a, arc-shaped concave 31, arc convex 32, interior cylinder 33, cell body 33a, outer cylindrical body 34, circular groove 35, second valve seat 4, cylindrical portion 41, through hole 42, spring 5.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
As Figure 1-3, this pressure-limit valve mounting structure for valve, pressure-limit valve valve comprises valve body 1 and is arranged on the valve 2 11 in valve body 1, valve 2 11 and the valve 1 be located on piston 12 with the use of.
This mounting structure comprises the hole back-up ring 2 be arranged in valve body 1 and the first valve seat 3 be arranged on hole back-up ring 2, first valve seat 3 is connected by circumferential positioning structure with between hole back-up ring 2, concrete, the circumferential positioning structure of the present embodiment comprises the some locating stud 3a be arranged on the first valve seat 3, hole back-up ring 2 is provided with the positioning hole 2a that the locating stud 3a described in some confessions inserts one by one, and described locating stud 3a inserts in positioning hole 2a.This structure can improve the join strength of joint.
First valve seat 3 is connected with valve body 1 inner wall sealing, seal ring is provided with between first valve seat 3 and valve body 1, first valve seat 3 is provided with the second valve seat 4 for mounted valve 2 11, cylindrical portion 41 is provided with in one end of relative first valve seat 3 of the second valve seat 4, one end and second valve seat 4 of cylindrical portion 41 are connected, the other end is closed, optimized project, and the joint of the second valve seat 4 and cylindrical portion 41 is provided with the through hole 42 of some even circumferentials distribution; Second valve seat 4 and cylindrical portion 41 are connected as a single entity structure.
In one end of relative second valve seat 4 of the first valve seat 3, there is arc-shaped concave 31, away from one end of arc-shaped concave 31, there is arc convex 32 at the first valve seat 3, the one end being provided with arc-shaped concave 31 at the first valve seat 3 is provided with interior cylinder 33, interior cylinder 33 one end and the first valve seat 3 are connected, the other end is uncovered, secondly, interior cylinder 33 offers two corresponding cell body 33a arranged, described cylindrical portion 41 external diameter is equal to or less than the internal diameter of interior cylinder 33, spring 5 is provided with between the first valve seat 3 and the second valve seat 4, one end of spring 5 is set in the one side that in cylindrical portion 41 and end acts on the second valve seat 4, the other end of spring 5 is set in interior cylinder 33 and end and acts on the arc-shaped concave 31 of the first valve seat 3.
In addition, the one end being provided with arc-shaped concave 31 at the first valve seat 3 is provided with for preventing the second valve seat 4 excessively to the limit structure of the first valve seat 3 side movement.Concrete, this limit structure comprises and is arranged on the first valve seat 3 and is positioned at the outer cylindrical body 34 of cylinder 33 periphery, and described outer cylindrical body 34 height is higher than interior cylinder 33 height and form the circular groove 35 of inserting for spring 5 outside between cylinder 34 and interior cylinder 33.
The installation process of the present embodiment is as follows: first valve two and the second valve seat are fixed, and is then arranged on the first valve seat by spring, and the first valve seat passing hole back-up ring is fixed in valve body.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the terms such as valve body 1, valve 2 11, piston 12, valve 1, hole back-up ring 2, positioning hole 2a, the first valve seat 3, locating stud 3a, arc-shaped concave 31, arc convex 32, interior cylinder 33, cell body 33a, outer cylindrical body 34, circular groove 35, second valve seat 4, cylindrical portion 41, through hole 42, spring 5 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (5)
1. a pressure-limit valve mounting structure for valve, pressure-limit valve valve comprises valve body (1) and is arranged on the valve two (11) in valve body (1), it is characterized in that, this mounting structure comprises the hole back-up ring (2) be arranged in valve body (1) and the first valve seat (3) be arranged on hole back-up ring (2), be connected by circumferential positioning structure between first valve seat (3) with hole back-up ring (2), first valve seat (3) is connected with valve body (1) inner wall sealing, first valve seat (3) is provided with the second valve seat (4) for mounted valve two (11), cylindrical portion (41) is provided with in one end of relative first valve seat (3) of the second valve seat (4), one end and second valve seat (4) of cylindrical portion (41) are connected, the other end is closed, in one end of relative second valve seat (4) of the first valve seat (3), there is arc-shaped concave (31), away from one end of arc-shaped concave (31), there is arc convex (32) at the first valve seat (3), the one end being provided with arc-shaped concave (31) at the first valve seat (3) is provided with interior cylinder (33), interior cylinder (33) one end and the first valve seat (3) are connected, the other end is uncovered, spring (5) is provided with between the first valve seat (3) and the second valve seat (4), one end of spring (5) is set in the one side that in cylindrical portion (41) and end acts on the second valve seat (4), the other end of spring (5) is set in that interior cylinder (33) is upper and end acts on the arc-shaped concave (31) of the first valve seat (3), the one end being provided with arc-shaped concave (31) at the first valve seat (3) is provided with for preventing the second valve seat (4) excessively to the limit structure of the first valve seat (3) side movement.
2. pressure-limit valve mounting structure for valve according to claim 1, it is characterized in that, described circumferential positioning structure comprises the some locating studs (3a) be arranged on the first valve seat (3), hole back-up ring (2) is provided with the positioning hole (2a) that the locating stud (3a) described in some confessions inserts one by one, and described locating stud (3a) inserts in positioning hole (2a).
3. pressure-limit valve mounting structure for valve according to claim 1, it is characterized in that, described limit structure comprises that to be arranged on the first valve seat (3) upper and be positioned at the peripheral outer cylindrical body (34) of cylinder (33), and described outer cylindrical body (34) height is higher than interior cylinder (33) height and form the circular groove (35) supplying spring (5) to insert outside between cylinder (34) and interior cylinder (33).
4. the pressure-limit valve mounting structure for valve according to claim 1 or 2 or 3, is characterized in that, described the second valve seat (4) and the joint of cylindrical portion (41) are provided with the through hole (42) of some even circumferentials distribution; Second valve seat (4) and cylindrical portion (41) are connected as a single entity structure.
5. the pressure-limit valve mounting structure for valve according to claim 1 or 2 or 3, it is characterized in that, described interior cylinder (33) offers two corresponding cell bodies (33a) arranged, described cylindrical portion (41) external diameter is equal to or less than the internal diameter of interior cylinder (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420437874.9U CN204114267U (en) | 2014-08-05 | 2014-08-05 | Pressure-limit valve mounting structure for valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420437874.9U CN204114267U (en) | 2014-08-05 | 2014-08-05 | Pressure-limit valve mounting structure for valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204114267U true CN204114267U (en) | 2015-01-21 |
Family
ID=52331579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420437874.9U Expired - Fee Related CN204114267U (en) | 2014-08-05 | 2014-08-05 | Pressure-limit valve mounting structure for valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204114267U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763831A (en) * | 2015-04-24 | 2015-07-08 | 四川制动科技股份有限公司 | Safety valve |
-
2014
- 2014-08-05 CN CN201420437874.9U patent/CN204114267U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763831A (en) * | 2015-04-24 | 2015-07-08 | 四川制动科技股份有限公司 | Safety valve |
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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: 20150121 Termination date: 20150805 |
|
| EXPY | Termination of patent right or utility model |