CN205678197U - A kind of overflow valve being easy to maintenance - Google Patents
A kind of overflow valve being easy to maintenance Download PDFInfo
- Publication number
- CN205678197U CN205678197U CN201620562136.6U CN201620562136U CN205678197U CN 205678197 U CN205678197 U CN 205678197U CN 201620562136 U CN201620562136 U CN 201620562136U CN 205678197 U CN205678197 U CN 205678197U
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- CN
- China
- Prior art keywords
- valve body
- rod
- shrinking connecting
- threaded
- upper valve
- 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 overflow valve being easy to maintenance, including upper valve body, described upper valve body upper end is internally provided with thread groove, the both sides of described upper valve body are provided with pin, described upper valve body has lower valve body by pin is threaded, described upper valve body and lower valve body junction are provided with O type pad, described thread groove is threaded shrinking connecting-rod, and described shrinking connecting-rod runs through the inside that upper valve body stretches into lower valve body, the top of described shrinking connecting-rod is provided with adjusting nut, the bottom of described shrinking connecting-rod is threaded hemisphere spool, the outer lower portion of described shrinking connecting-rod is socketed with return spring, the underface of described hemisphere spool is provided with oil-in, the right side wall of described lower valve body is provided with oil-out, the left side wall of described lower valve body is provided with overfall.This device feature is threaded, and dismounting is simple, easy to maintenance, and stability is high, and accuracy is high.
Description
Technical field
The utility model belongs to technical field of hydraulic equipment, is specifically related to a kind of overflow valve being easy to maintenance.
Background technology
Hydraulic transmission technology is high, the highly sensitive power technology of a kind of precision, is often used at some high-accuracy machines
On equipment, wherein overflow valve is a kind of hydraulic pressure control valve, acts primarily as level pressure overflow effect, voltage stabilizing, be in hydraulic test
System off-load and safeguard protection effect, but current overflow valve, using now is casting pressure integral molding techniques mostly, but due to
Overflow valve belongs to precision element, easily damaged during use, is difficult to change, increases maintenance difficulty, improves use cost, surely
Qualitative difference.
Utility model content
The purpose of this utility model is to provide a kind of overflow valve being easy to maintenance, to solve to propose in above-mentioned background technology
Problem.
For achieving the above object, the following technical scheme of the utility model offer: a kind of overflow valve being easy to maintenance, including on
Valve body, described upper valve body upper end is internally provided with thread groove, and the both sides of described upper valve body are provided with pin, and described upper valve body passes through pin
Threaded have a lower valve body, and described upper valve body and lower valve body junction are provided with O type pad, and described thread groove is threaded to be had and stretch
Contracting connecting rod, and described shrinking connecting-rod runs through the inside that upper valve body stretches into lower valve body, the top of described shrinking connecting-rod is provided with regulation
Nut, the bottom of described shrinking connecting-rod is threaded hemisphere spool, the resilient bullet of outer lower portion socket of described shrinking connecting-rod
Spring, the underface of described hemisphere spool is provided with oil-in, and the right side wall of described lower valve body is provided with oil-out, described lower valve body
Left side wall overfall is installed.
Preferably, described hemisphere spool and the internal connection bit width of lower valve body arrive more than the diameter two millimeters of oil-out
Five millimeters.
Preferably, described lower valve body and hemisphere spool junction are provided with ball valve seat
Technique effect of the present utility model and advantage: this is easy to the overflow valve of maintenance, and upper valve body and lower valve body are by pin spiral shell
Line connects, it is simple to the dismounting maintenance of overflow valve, wherein on shrinking connecting-rod, part loop bar is threadeded with upper valve body, is adjusted by rotating
Joint nut regulation shrinking connecting-rod controls the pressure within overflow valve, makes the pressure reduction in hydraulic system be maintained at constant position,
Threadeding with hemisphere spool of shrinking connecting-rod, more easy during making dismounting, hemisphere spool and ball valve seat form airtight
Space ensures that the pressure of hydraulic system is constant, and when the oil pressure in hydraulic system raises suddenly, fluid is by hemisphere spool jack-up, root
According to oil pressure size, when pressure is excessive, fluid is overflowed by overfall, pressure balance in holding chamber, and return spring is socketed in flexible
Connecting rod, it is ensured that return spring will not torsional deformation, affect the accuracy of equipment.This device feature is threaded, and dismounting is simple, dimension
Repairing conveniently, stability is high, and accuracy is high.
Brief description
Fig. 1 is structural representation of the present utility model.
In figure: 1 thread groove, 2 times valve bodies, 3 overfalls, 4 hemisphere spools, 5 oil-ins, 6 adjusting nuts, 7 pins, 8 upper valve bodies,
9 O type pads, 10 shrinking connecting-rods, 11 oil-outs, 12 return springs.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of the utility model protection.
The utility model provides a kind of overflow valve being easy to maintenance as shown in Figure 1, including upper valve body 8, described upper valve
Body 8 upper end is internally provided with thread groove 1, and the both sides of described upper valve body 8 are provided with pin 7, and described upper valve body 8 is by pin 7 screw thread even
Being connected to lower valve body 2, described upper valve body 8 is provided with O type pad 9 with lower valve body 2 junction, and described thread groove 1 is threaded to be had and stretch
Contracting connecting rod 10, and described shrinking connecting-rod 10 runs through the inside that upper valve body 8 stretches into lower valve body 2, the top peace of described shrinking connecting-rod 10
Equipped with adjusting nut 6, the bottom of described shrinking connecting-rod 10 is threaded has hemisphere spool 4, under the outside of described shrinking connecting-rod 10
Portion is socketed with return spring 12, and the underface of described hemisphere spool 4 is provided with oil-in 5, and the right side wall of described lower valve body 2 sets
Having oil-out 11, the left side wall of described lower valve body 2 is provided with overfall 3.
Further, the internal connection bit width of described hemisphere spool 4 and lower valve body 2 is more than the diameter two of oil-out 11
Millimeter is to five millimeters.
Further, described lower valve body 2 is provided with ball valve seat with hemisphere spool 4 junction.
This is easy to the overflow valve of maintenance, and upper valve body 8 and lower valve body 2 are threaded by pin 7, it is simple to the dismounting inspection of overflow valve
Repairing, wherein on shrinking connecting-rod 10, part loop bar is threadeded with upper valve body 8, regulates shrinking connecting-rod 10 by rotating adjusting nut 6
Control the pressure within overflow valve, make the pressure reduction in hydraulic system be maintained at constant position, shrinking connecting-rod 10 and hemisphere
Spool 4 is threaded, more easy during making dismounting, and hemisphere spool 4 and ball valve seat form confined space and ensure hydraulic pressure system
The pressure of system is constant, and when the oil pressure in hydraulic system raises suddenly, fluid is by hemisphere spool 4 jack-up, according to oil pressure size, when
When pressure is excessive, fluid is overflowed by overfall 3, pressure balance in holding chamber, and return spring 12 is socketed in shrinking connecting-rod 10, protects
Card return spring 10 will not torsional deformation, affect the accuracy of equipment.This device feature is threaded, and dismounting is simple, maintenance side
Just, stability is high, and accuracy is high.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, it is not limited to this
Utility model, although being described in detail to the utility model with reference to previous embodiment, for those skilled in the art
For, it still can the technical scheme described in foregoing embodiments be modified, or to wherein portion of techniques feature
Carry out equivalent, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, all
Should be included within protection domain of the present utility model.
Claims (3)
1. it is easy to an overflow valve for maintenance, including upper valve body (8), it is characterised in that: described upper valve body (8) upper end is internal to be arranged
Having thread groove (1), the both sides of described upper valve body (8) are provided with pin (7), under described upper valve body (8) is had by pin (7) is threaded
Valve body (2), described upper valve body (8) and lower valve body (2) junction are provided with O type pad (9), and described thread groove (1) is threaded
There is shrinking connecting-rod (10), and described shrinking connecting-rod (10) runs through the inside that upper valve body (8) stretches into lower valve body (2), described flexible company
The top of bar (10) is provided with adjusting nut (6), and the bottom of described shrinking connecting-rod (10) is threaded hemisphere spool (4), institute
The outer lower portion stating shrinking connecting-rod (10) is socketed with return spring (12), and the underface of described hemisphere spool (4) is provided with oil-feed
Mouth (5), the right side wall of described lower valve body (2) is provided with oil-out (11), and the left side wall of described lower valve body (2) is provided with overfall
(3).
2. according to claim 1 a kind of be easy to maintenance overflow valve, it is characterised in that: described hemisphere spool (4) with under
The internal connection bit width of valve body (2) is more than the diameter two millimeters to five millimeters of oil-out (11).
3. a kind of overflow valve being easy to maintenance according to claim 1, it is characterised in that: described lower valve body (2) and hemisphere
Spool (4) junction is provided with ball valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620562136.6U CN205678197U (en) | 2016-06-12 | 2016-06-12 | A kind of overflow valve being easy to maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620562136.6U CN205678197U (en) | 2016-06-12 | 2016-06-12 | A kind of overflow valve being easy to maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205678197U true CN205678197U (en) | 2016-11-09 |
Family
ID=57432174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620562136.6U Expired - Fee Related CN205678197U (en) | 2016-06-12 | 2016-06-12 | A kind of overflow valve being easy to maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205678197U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906297A (en) * | 2017-12-08 | 2018-04-13 | 中国北方发动机研究所(天津) | A kind of diesel engine test rack diesel oil oil return voltage stabilizing auxiliary device |
| CN108036077A (en) * | 2017-11-28 | 2018-05-15 | 安徽荣达阀门有限公司 | A kind of pressure regulating cone valve pressure regulation valve group |
| CN108825798A (en) * | 2018-06-22 | 2018-11-16 | 江苏浩博塑业有限公司 | A kind of grafting positioning formula butterfly valve |
-
2016
- 2016-06-12 CN CN201620562136.6U patent/CN205678197U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036077A (en) * | 2017-11-28 | 2018-05-15 | 安徽荣达阀门有限公司 | A kind of pressure regulating cone valve pressure regulation valve group |
| CN107906297A (en) * | 2017-12-08 | 2018-04-13 | 中国北方发动机研究所(天津) | A kind of diesel engine test rack diesel oil oil return voltage stabilizing auxiliary device |
| CN108825798A (en) * | 2018-06-22 | 2018-11-16 | 江苏浩博塑业有限公司 | A kind of grafting positioning formula butterfly valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Duan Qisheng Inventor before: Fang Hong |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170623 Address after: Shuangfeng Industrial Zone of Hefei City, Anhui province 231131 Patentee after: Hefei Xu Wei electronic pneumatic Co., Ltd. Address before: Xiangshan County, Zhejiang city of Ningbo province shipuzhen 315700 Xinggang Road No. 111 Patentee before: Xiangshan Xinghui pneumatic hydraulic machinery factory |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 Termination date: 20190612 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |