CN201982392U - Novel hand-operated pressure relief valve - Google Patents
Novel hand-operated pressure relief valve Download PDFInfo
- Publication number
- CN201982392U CN201982392U CN2011200806274U CN201120080627U CN201982392U CN 201982392 U CN201982392 U CN 201982392U CN 2011200806274 U CN2011200806274 U CN 2011200806274U CN 201120080627 U CN201120080627 U CN 201120080627U CN 201982392 U CN201982392 U CN 201982392U
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- CN
- China
- Prior art keywords
- oil
- hole
- valve
- valve body
- relief 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 novel hand-operated pressure relief valve, which comprises a valve body and a valve core, wherein an oil inlet hole and an oil relief hole are formed on the valve body, an oil blocking hole is formed on the valve body and is communicated with the oil inlet hole and the oil relief hole, a compression nut is arranged in the oil blocking hole, and the valve core is arranged at the lower end of the compression nut and blocks a channel of the oil inlet hole and the oil relief hole. The valve core is forced uniformly, so that the leak tightness can be greatly improved, and the oil leakage can be avoided; and the novel hand-operated pressure relief valve has the advantages of fewer device components and simple manufacture process and facilitates prolonging the service life.
Description
Technical field
The utility model belongs to the hydraulic equipment technical field, particularly a kind of novel manual pressure-relief valve that is used for hydraulic system.
Background technique
At present, the manual pressure-relief valve poor sealing performance that uses in the hydraulic system is prone to oil leakage phenomenon, for addressing the above problem, make manual pressure-relief valve complex structure, assembly is more, manufacturing process is loaded down with trivial details, and fragile, working life is short, causes user cost too high.
The model utility content
The purpose of this utility model is at above-mentioned deficiency, and a kind of novel manual pressure-relief valve that can effectively improve synthesis pressure is provided.
For achieving the above object, the technical solution of the utility model is: a kind of novel manual pressure-relief valve, comprise valve body and spool, valve body is provided with oil inlet hole and unloads oilhole, described valve body is provided with oil inlet hole and unloads the oil resistance hole that oilhole is connected, oil resistance is provided with gland nut in the hole, and the gland nut lower end is provided with the blocking-up oil inlet hole and unloads the spool of oilhole path.
Described gland nut is provided with seal groove, is provided with seal ring in the seal groove.
Described spool is a valve ball.
Compared with prior art, the utility model has the advantages that: valve body is provided with oil inlet hole and unloads the oil resistance hole that oilhole is connected, oil resistance is provided with gland nut in the hole, the gland nut lower end is provided with the blocking-up oil inlet hole and unloads the spool of oilhole path, and spool is a valve ball, makes it stressed evenly, can improve sealability greatly, avoid oil leakage phenomenon, device assembly is few, manufacturing process is simple, and helps increasing the service life.Gland nut is provided with seal groove, is provided with seal ring in the seal groove, and seal ring improves the sealing effect in oil resistance hole between oil resistance hole inwall and seal groove outer surface, avoid leakage of oil.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Novel manual pressure-relief valve as shown in Figure 1, it comprises valve body 1 and spool 2, spool 2 is a valve ball, makes it stressed even, can improve sealability greatly, avoids oil leakage phenomenon.On valve body 1, be provided with oil inlet hole 4 and unload oilhole 5, also be provided with oil inlet hole 4 on the valve body 1 and unload the oil resistance hole 6 that oilhole 5 is connected, be provided with gland nut 3 in the oil resistance hole 6, spool 2 is positioned at gland nut 3 lower ends, be used to block oil inlet hole 4 and unload hydraulic oil path between the oilhole 5, spool 2 has sealing gasket 9, improves sealing effect.The upper end of gland nut 3 exposes in valve body 1 outside, is convenient to operate gland nut 3, to realize the degree of tightness of gland nut 3.Be provided with seal groove 7 on gland nut 3, be provided with seal ring 8 in the seal groove 7, seal ring 8 improves the sealing effect in oil resistance hole 6 between oil resistance hole 6 inwalls and seal groove 7 outer surfaces, avoid leakage of oil.
Claims (3)
1. novel manual pressure-relief valve, comprise valve body and spool, valve body is provided with oil inlet hole and unloads oilhole, it is characterized in that: described valve body is provided with oil inlet hole and unloads the oil resistance hole that oilhole is connected, oil resistance is provided with gland nut in the hole, and the gland nut lower end is provided with the blocking-up oil inlet hole and unloads the spool of oilhole path.
2. novel manual pressure-relief valve as claimed in claim 1 is characterized in that: described gland nut is provided with seal groove, is provided with seal ring in the seal groove.
3. novel manual pressure-relief valve as claimed in claim 1 or 2 is characterized in that: described spool is a valve ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200806274U CN201982392U (en) | 2011-03-24 | 2011-03-24 | Novel hand-operated pressure relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200806274U CN201982392U (en) | 2011-03-24 | 2011-03-24 | Novel hand-operated pressure relief valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201982392U true CN201982392U (en) | 2011-09-21 |
Family
ID=44609854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200806274U Expired - Fee Related CN201982392U (en) | 2011-03-24 | 2011-03-24 | Novel hand-operated pressure relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201982392U (en) |
-
2011
- 2011-03-24 CN CN2011200806274U patent/CN201982392U/en not_active Expired - Fee Related
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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: 20110921 Termination date: 20160324 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |