CN208268530U - Low match grinding gap spool - Google Patents
Low match grinding gap spool Download PDFInfo
- Publication number
- CN208268530U CN208268530U CN201820868613.0U CN201820868613U CN208268530U CN 208268530 U CN208268530 U CN 208268530U CN 201820868613 U CN201820868613 U CN 201820868613U CN 208268530 U CN208268530 U CN 208268530U
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- CN
- China
- Prior art keywords
- match grinding
- grinding gap
- insert body
- low match
- spool according
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Abstract
The utility model relates to a kind of low match grinding gap spools, it include insert body, the head end of insert body is by guiding connecting rod to be connected with control contact head, the endpiece of insert body is provided with outer connector, if dry seal auxiliary construction is distributed on insert body, insert body, control contact head, outer connector, guidance connecting rod are enclosed with carburizing reinforcing layer outside.It is equipped with independent contact guidance inclined-plane as a result, can effectively carry external stress, deformation does not occur, promotes service life.Contact body is preset with match grinding lead-in chamfered, the process for reducing secondary operation between follow-up policy, good using matching.Caulking groove is connected using independent oil sealing, cooperates the use of oil sealing via hole, it is ensured that realize comprehensive oil sealing using effect.It is equipped with sealing auxiliary construction, sealing ring can be cooperated to carry out auxiliary seal.It is provided with carburizing reinforcing layer, possesses preferable intensity and corrosion resistance, further improves service life.
Description
Technical field
The utility model relates to a kind of spool more particularly to a kind of low match grinding gap spools.
Background technique
Spool be valve body realized by its movement direction controlling, pressure control or flow control basic function valve
Part.For device higher for certain air-tightness, needing spool and valve body and other assemblies has preferable sealing
Property.
But this existing type valve core is a kind of to be sealed using single sealing ring.After long-time use, sealing ring holds
It easily loosens, deformation, eventually leads to and fall off, sealing effect is poor.There are also one is use oil-sealing measures.In spool long-term motion
When, it also will appear unilateral oil sealing and the rough sledding slipped occur.
Meanwhile existing spool, because being placed in internal work, and bear compression shock during working, respective regions are easy
Existing mechanical fatigue generates deformation, influences practical effect.There are excessive acute angles there are also some spools, for a long time using will cause
Additional mechanical wear.
In view of the above shortcomings, the designer, is actively subject to research and innovation, to found gap valve between a kind of low match grinding
Core makes it with more the utility value in industry.
Utility model content
In order to solve the above technical problems, the purpose of the utility model is to provide a kind of low match grinding gap spools.
The low match grinding gap spool of the utility model, includes insert body, in which: the head end of the insert body passes through
Guidance connecting rod is connected with control contact head, and the endpiece of the insert body is provided with outer connector, is distributed on the insert body
If there is dry seal auxiliary construction, the insert body, control contact head, outer connector, guidance connecting rod are enclosed with carburizing outside and add
Gu layer.
Further, above-mentioned low match grinding gap spool, wherein it is oblique that the both ends of the guidance connecting rod are provided with contact guidance
Face.
Further, above-mentioned low match grinding gap spool, wherein the control contact head includes contact head ontology,
The head end of the contact head ontology is provided with match grinding lead-in chamfered, and oil sealing conducting caulking groove is provided on the contact head ontology.
Further, above-mentioned low match grinding gap spool, wherein the oil of conducting is equipped on the oil sealing conducting caulking groove
Via hole is sealed, the angle of the match grinding lead-in chamfered is 30 to 50 degree.
Further, above-mentioned low match grinding gap spool, wherein the angle of the match grinding lead-in chamfered is 45 degree.
Further, above-mentioned low match grinding gap spool, wherein linking groove, institute are provided on the outer connector
It states and is provided with assembly head at the top of outer connector.
Further, above-mentioned low match grinding gap spool, wherein complementary screw-threads are distributed in the linking groove.
Further, above-mentioned low match grinding gap spool, wherein the sealing auxiliary construction includes embedded groove,
Sealing ring is arranged on the embedded groove.
Further, above-mentioned low match grinding gap spool, wherein the carburizing reinforcing layer with a thickness of 0.4 to 0.6 milli
Rice.
Still further, above-mentioned low match grinding gap spool, wherein the carburizing reinforcing layer with a thickness of 0.5 millimeter.
According to the above aspect of the present invention, the utility model at least has the following advantages:
1, it is equipped with independent contact guidance inclined-plane, can effectively carry external stress, deformation does not occur, is promoted and uses the longevity
Life.
2, contact body is preset with match grinding lead-in chamfered, and the process for reducing secondary operation between follow-up policy uses matching
Property is good.
3, caulking groove is connected using independent oil sealing, cooperates the use of oil sealing via hole, it is ensured that realize that comprehensive oil sealing makes
Use effect.
4, it is equipped with sealing auxiliary construction, sealing ring can be cooperated to carry out auxiliary seal.
5, it is provided with carburizing reinforcing layer, possesses preferable intensity and corrosion resistance, further improves service life.
6, structure is simple, easy to process and subsequent use, later period Maintenance free.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of low match grinding gap spool.
The meaning of each appended drawing reference is as follows in figure.
1 insert body 2 controls contact head
3 outer connectors 4 seal auxiliary construction
5 guidance 6 contact guidance inclined-planes of connecting rod
Caulking groove is connected in 7 match grinding lead-in chamfered, 8 oil sealing
9 oil sealing via holes 10 are connected groove
11 assembly heads
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
It include insert body 1 such as the low match grinding gap spool of Fig. 1, unusual place is: degree insert body 1
Head end by guide connecting rod 5 be connected with control contact head 2.Simultaneously, it is contemplated that it is effective fixed to realize with conventional all kinds of devices
Position connection, meets the use needs of control valve core ontology 1, and the endpiece of degree insert body 1 is provided with outer connector 3.Also, consider
To during routine use, insert body 1 can cooperate valve shell to carry out necessary flow control, and promote the precision of control, keep away
Exempt to slip, if dry seal auxiliary construction 4 is distributed on degree insert body 1.Furthermore in order to promote service life, even if
It is in a corrosive environment the degree insert body that the utility model uses using can also possess preferable corrosion resistance and intensity
1, contact head 2, outer connector 3, guidance connecting rod 5 are controlled and is enclosed with carburizing reinforcing layer outside.
From the point of view of the preferable embodiment of the utility model one, it is contemplated that guide connecting rod 5 that can rise during routine use
To the function of stress transfer, in order to avoid it causes some point stress offset occur during stress transfer and deformation occurs, and
Stress impact that may be present can effectively be dispersed, the both ends of guidance connecting rod 5 are provided with contact guidance inclined-plane 6.
Furthermore, realizing the effective on-off control of entire valve body, control contact to possess preferable working effect
First 2 include contact head ontology, and the head end of contact head ontology is provided with match grinding lead-in chamfered 7, is provided with oil on contact head ontology
Envelope conducting caulking groove 8.Meanwhile the oil sealing via hole 9 of conducting is equipped on oil sealing conducting caulking groove 8.In this way, oil sealing conducting can be relied on
The presence in hole 9 guarantees the intercommunication of sealing oil plant, and oil sealing conducting caulking groove 8 is enabled to possess uniform oil sealing effect always.Also, in order to
Match grinding during realizing processing, which is processed, to be needed, and the angle of match grinding lead-in chamfered 7 is 30 to 50 degree.Certainly, by repeatedly to having a competition
It is found after testing, when the angle of match grinding lead-in chamfered 7 is 45 degree, can satisfy all kinds of match grinding demands.
Also, linking groove 10 is provided on the outer connector 3 that the utility model uses.In this way, meeting outside each kind valve body
Joined assemblies realize positioning by linking groove 10, will not loosen during use or unbalance stress.Meanwhile in outer connector 3
Top be provided with assembly head 11.The outer joined assemblies of valve body can be enabled to store assembly head 11 as a result, cooperation linking groove 10 is real
Now stable linking can carry external biggish active force during actual use, and proof stress transmitting is smooth, guarantees the suitable of spool
Smooth work.Furthermore, it is contemplated that it is fixed to can satisfy threaded connection relatively conventional at present for the fixed convenience during practical set use
Position needs, and is connected in groove 10 and complementary screw-threads (not shown) is distributed with.
Furthermore, in order to possess preferable sealing effect, when insert body 1 is rotated or moved forward and backward, all
Other valve components can be cooperated to realize the folding control of valve body, sealing auxiliary construction 4 includes embedded groove, embeds groove
On be arranged with sealing ring.In this way, no matter carry out how the movement of mode, the components such as valve casing all installed with it exist effective
Contact, does not leak.
Also, the utility model process during routinely use carburizing reinforcing layer with a thickness of 0.4 to 0.6 millimeter.From adding
From the point of view of the facilitation degree and wide usage of work, carburizing reinforcing layer is just able to satisfy conventional use of all kinds of want with a thickness of 0.5 millimeter
It asks.
The process of the utility model is as follows:
Firstly, the inspection before processing to valve core material, avoids the material of internal injury from flowing into processing channel.Then pass through
NC vehicle fills machine-shaping, constitutes thick component.Then, it is heat-treated, improves spool intensity.Then, start centreless grinding, carry out essence
Fining-off molding.Then, the detection before finished product is carried out, with the spool after machine-shaping after there is no problem, carries out cleaning and antirust
Shipment is completed in processing.
It can be seen from the above written description and the attached drawings that gathering around and having the following advantages after using the utility model:
1, it is equipped with independent contact guidance inclined-plane, can effectively carry external stress, deformation does not occur, is promoted and uses the longevity
Life.
2, contact body is preset with match grinding lead-in chamfered, and the process for reducing secondary operation between follow-up policy uses matching
Property is good.
3, caulking groove is connected using independent oil sealing, cooperates the use of oil sealing via hole, it is ensured that realize that comprehensive oil sealing makes
Use effect.
4, it is equipped with sealing auxiliary construction, sealing ring can be cooperated to carry out auxiliary seal.
5, it is provided with carburizing reinforcing layer, possesses preferable intensity and corrosion resistance, further improves service life.
6, structure is simple, easy to process and subsequent use, later period Maintenance free.
The above is only the preferred embodiment of the utility model, is not intended to limit the utility model, it is noted that
For those skilled in the art, without deviating from the technical principle of the utility model, it can also do
Several improvements and modifications out, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (10)
1. low match grinding gap spool includes insert body (1), it is characterised in that: the head end of the insert body (1) is by drawing
It leads connecting rod (5) and is connected with control contact head (2), the endpiece of the insert body (1) is provided with outer connector (3), the spool
Ontology (1) if on be distributed with dry seal auxiliary construction (4), the insert body (1), control contact head (2), outer connector (3),
Guidance connecting rod (5) is enclosed with carburizing reinforcing layer outside.
2. low match grinding gap spool according to claim 1, it is characterised in that: the both ends setting of guidance connecting rod (5)
There are contact guidance inclined-plane (6).
3. low match grinding gap spool according to claim 1, it is characterised in that: the control contact head (2) includes to connect
Contact body, the head end of the contact head ontology are provided with match grinding lead-in chamfered (7), are provided with oil sealing on the contact head ontology
It is connected caulking groove (8).
4. low match grinding gap spool according to claim 3, it is characterised in that: worn on oil sealing conducting caulking groove (8)
There is the oil sealing via hole (9) of conducting, the angle of the match grinding lead-in chamfered (7) is 30 to 50 degree.
5. low match grinding gap spool according to claim 4, it is characterised in that: the angle of the match grinding lead-in chamfered (7)
It is 45 degree.
6. low match grinding gap spool according to claim 1, it is characterised in that: be provided with rank on the outer connector (3)
It connects groove (10), is provided with assembly head (11) at the top of the outer connector (3).
7. low match grinding gap spool according to claim 6, it is characterised in that: be distributed in the linking groove (10) auxiliary
Help screw thread.
8. low match grinding gap spool according to claim 1, it is characterised in that: the sealing auxiliary construction (4) includes
Groove is embedded, is arranged with sealing ring on the embedded groove.
9. low match grinding gap spool according to claim 1, it is characterised in that: the carburizing reinforcing layer with a thickness of 0.4
To 0.6 millimeter.
10. low match grinding gap spool according to claim 9, it is characterised in that: the carburizing reinforcing layer with a thickness of 0.5
Millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820868613.0U CN208268530U (en) | 2018-06-06 | 2018-06-06 | Low match grinding gap spool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820868613.0U CN208268530U (en) | 2018-06-06 | 2018-06-06 | Low match grinding gap spool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208268530U true CN208268530U (en) | 2018-12-21 |
Family
ID=64689616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820868613.0U Active CN208268530U (en) | 2018-06-06 | 2018-06-06 | Low match grinding gap spool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208268530U (en) |
-
2018
- 2018-06-06 CN CN201820868613.0U patent/CN208268530U/en active Active
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