CN208750078U - A kind of plug-in one-way valve - Google Patents
A kind of plug-in one-way valve Download PDFInfo
- Publication number
- CN208750078U CN208750078U CN201821228871.9U CN201821228871U CN208750078U CN 208750078 U CN208750078 U CN 208750078U CN 201821228871 U CN201821228871 U CN 201821228871U CN 208750078 U CN208750078 U CN 208750078U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- spring
- valve
- fixed seat
- seat
- 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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- Lift Valve (AREA)
Abstract
The utility model provides a kind of plug-in one-way valve, including valve seat, screw rod, valve, spring and spring fixed seat；The valve seat includes external screw thread, seal convexity and the screw rod at center fixed part, screw rod is mounted on the screw rod fixed part of valve seat, the screw rod other end installs spring fixed seat, valve is sleeved on the screw rod, and spring is also equipped between valve and spring fixed seat, and the spring fixed seat is to be threadedly coupled with the connection type of screw rod.Spring fixed seat is designed and is connect with screw flight by the utility model, adjustable spring fixed seat is at a distance from valve seat, can constantly adjustment spring compression degree, after long-term use spring give valve pressure it is inadequate when, only need adjustment spring fixing seat, it can be increased the pressure that spring gives valve, achieve the purpose that not having to be used for a long time with changing components.
Description
Technical field
The utility model relates to a kind of individual event valve more particularly to a kind of plug-in one-way valves.
Background technique
Plug-in one-way valve is widely used in fluid Hydraulic Field, and application approach multiplicity, it is hydraulic pressure system that effect is of crucial importance
Indispensable component part in system.Current plug-in one-way valve technology is also in lower stage, such as patent
A kind of plug-in one-way valve disclosed in CN201220276866.1, the check valve include valve pocket, spool, spring base and spring, institute
It states spring to be mounted in the spool, the spool is mounted in the valve pocket, and the spring socket sleeve is mounted in the top of the valve pocket
Portion is equipped with limiting slot, is equipped with limit element in the limiting slot between the spring base and valve pocket.CN201310162327.4 is public
A kind of plug-in one-way valve opened is to be used for multi-way valve using integral plugged formula structure as independent functional unit comprising:
Valve pocket, valve seat, steel ball and sealing element；And these structures are unable to adjust check valve valve port and open the big of required liquid pressure
Small, after long-term use, patent CN201220276866.1 can only can be continued to use with changing spring.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of plug-in one-way valve.
The utility model is achieved by the following technical programs.
A kind of plug-in one-way valve provided by the utility model, including valve seat, screw rod, valve, spring and spring fixed seat；
The valve seat includes external screw thread, seal convexity and the screw rod at center fixed part, and screw rod is mounted on the screw rod fixed part of valve seat,
The screw rod other end installs spring fixed seat, and valve is sleeved on the screw rod, and spring is also equipped between valve and spring fixed seat,
And the spring fixed seat is to be threadedly coupled with the connection type of screw rod.
It is connect the utility model has the beneficial effects that: the utility model designs spring fixed seat with screw flight, it can
With adjustment spring fixing seat at a distance from valve seat, can constantly adjustment spring compression degree, spring is given after long-term use
When the pressure of valve is inadequate, adjustment spring fixing seat is only needed, can be increased the pressure that spring gives valve, reaches and does not have to changing zero
The purpose that component can be used for a long time, the utility model has the advantages of simple structure, be easily installed and uses safety coefficient high.
Further, the spring fixed seat includes nut.
Further, the spring fixed seat further includes washer, and washer is placed between spring and nut.
Further, the spring fixed seat further includes retaining ring, and retaining ring is placed between spring and washer.
Further, the spring fixed seat further includes positioning pin, while installing spring fixed seat on corresponding screw rod
One end have multiple location holes, positioning pin is mounted in location hole, and positioning pin can prevent nut loosening.
Further, the screw rod is divided into screw rod major diameter portion and screw rod minor diameter, wherein the screw rod major diameter of screw rod
Portion is mounted on the screw rod fixed part of valve seat, is fixed by screw rod fixture nut；Screw rod minor diameter and the spring of screw rod are fixed
Portion is threadedly coupled.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
In figure: 1- valve seat, 11- external screw thread, 12- seal convexity, 13- screw rod fixed part, 2- screw rod, 21- screw rod major diameter
Portion, 22- screw rod minor diameter, 23- screw rod fixture nut, 3 valve, 4- spring, 5- retaining ring, 6- washer, 7- nut, 8- positioning
Pin.
Specific embodiment
Be described further below the technical solution of the utility model, but claimed range be not limited to it is described.
As shown in Figure 1, the present embodiment provides a kind of plug-in one-way valve, including valve seat 1, screw rod 2, valve 3,4 and of spring
Spring fixed seat；The valve seat 1 includes the screw rod fixed part 13 of external screw thread 11, seal convexity 12 and center, and screw rod 2 is mounted on
On the screw rod fixed part 13 of valve seat 1,2 other end of screw rod install spring fixed seat, 3 sets of valve on screw rod 2, and valve 3 with
Spring 4 is also equipped between spring fixed seat, and the spring fixed seat is to be threadedly coupled with the connection type of screw rod 2.Into
One step, in certain embodiments, spring fixed seat includes that nut 7 is further, and in certain embodiments, spring fixed seat is also
Including washer 6, washer 6 is placed between spring 4 and nut 7 further, and in certain embodiments, spring fixed seat further includes gear
Circle 5, retaining ring 5 is placed between spring 4 and washer 6.
The working principle of the utility model is that plug-in one-way valve is mounted in oil inlet pipe, when oil enters oil inlet pipe,
There is certain pressure, valve is pushed toward spring fixed seat direction and is moved, realizes the effect of Open valve, when not oil supply, valve
It moves toward valve seat direction, finally contacts with valve seat under the action of the spring, realize closing function, the utility model is by bullet
The design of spring fixing seat is connect with screw flight, and adjustable spring fixed seat, can constantly adjustment spring at a distance from valve seat
Compression degree, after long-term use spring give valve pressure it is inadequate when, only need adjustment spring fixing seat, can be increased spring
The pressure for giving valve achievees the purpose that not having to be used for a long time with changing components.
Further, in certain embodiments, spring fixed seat further includes positioning pin 8, while being installed on corresponding screw rod 2
There are multiple location holes in one end of spring fixed seat, and positioning pin 8 is mounted in location hole, and positioning pin can prevent nut loosening.
Further, in certain embodiments, screw rod 2 divides for screw rod major diameter portion 21 and screw rod minor diameter 22, wherein
The screw rod major diameter portion 21 of screw rod 2 is mounted on the screw rod fixed part 13 of valve seat 1, fixed by screw rod fixture nut 23；Screw rod 2
Screw rod minor diameter 22 be threadedly coupled with spring fixing portion, the compression degree of bidirectional modulation spring may be implemented in secondary design.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change
It also should be regarded as the protection scope of the utility model into replacement.
Claims (6)
1. a kind of plug-in one-way valve, including valve seat (1), screw rod (2), valve (3), spring (4) and spring fixed seat, feature
Be: the valve seat (1) includes the screw rod fixed part (13) of external screw thread (11), seal convexity (12) and center, screw rod (2) peace
On the screw rod fixed part (13) of valve seat (1), screw rod (2) other end installs spring fixed seat, and valve (3) is covered in screw rod (2)
On, and spring (4) are also equipped between valve (3) and spring fixed seat, and the company of the spring fixed seat and screw rod (2)
Mode is connect to be threadedly coupled.
2. plug-in one-way valve as described in claim 1, it is characterised in that: the spring fixed seat includes nut (7).
3. plug-in one-way valve as claimed in claim 2, it is characterised in that: the spring fixed seat further includes washer (6),
Washer (6) is placed between spring (4) and nut (7).
4. plug-in one-way valve as claimed in claim 3, it is characterised in that: the spring fixed seat further includes retaining ring (5),
Retaining ring (5) is placed between spring (4) and washer (6).
5. plug-in one-way valve as claimed in claim 4, it is characterised in that: the spring fixed seat further includes positioning pin
(8), there are multiple location holes in the one end for while on corresponding screw rod (2) installing spring fixed seat, and positioning pin (8) is mounted on location hole
In.
6. plug-in one-way valve as described in claim 1, it is characterised in that: the screw rod (2) is divided into screw rod major diameter portion
(21) and screw rod minor diameter (22), wherein the screw rod major diameter portion (21) of screw rod (2) is mounted on the screw rod fixed part of valve seat (1)
(13) fixed by screw rod fixture nut (23) on；The screw rod minor diameter (22) and spring fixing portion screw thread of screw rod (2) connect
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821228871.9U CN208750078U (en) | 2018-07-31 | 2018-07-31 | A kind of plug-in one-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821228871.9U CN208750078U (en) | 2018-07-31 | 2018-07-31 | A kind of plug-in one-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208750078U true CN208750078U (en) | 2019-04-16 |
Family
ID=66059751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821228871.9U Expired - Fee Related CN208750078U (en) | 2018-07-31 | 2018-07-31 | A kind of plug-in one-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208750078U (en) |
-
2018
- 2018-07-31 CN CN201821228871.9U patent/CN208750078U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190416 Termination date: 20210731 |