CN211116888U - Novel automatically controlled main valve case subassembly - Google Patents
Novel automatically controlled main valve case subassembly Download PDFInfo
- Publication number
- CN211116888U CN211116888U CN201922310517.1U CN201922310517U CN211116888U CN 211116888 U CN211116888 U CN 211116888U CN 201922310517 U CN201922310517 U CN 201922310517U CN 211116888 U CN211116888 U CN 211116888U
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- liquid
- valve
- return
- feed liquor
- valve core
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Abstract
The utility model relates to a novel automatically controlled main valve case subassembly, the to-be-solved technical problem of the utility model is to provide a structure is firm, the switching-over is smooth and easy, the leakproofness is good, long service life's novel automatically controlled main valve case subassembly, the technical scheme of the utility model including returning liquid valve barrel, disk seat, feed liquor valve barrel, returning liquid case, feed liquor valve core and big spring, still include little spring and packing ring, return the inside movable groove that is used for the feed liquor valve core to remove that is equipped with of liquid case, return the inside spring base boss that is equipped with of liquid case, still be equipped with sealed first mounting groove on the liquid case, feed liquor valve core left end is equipped with the little spring standing groove, the feed liquor valve core left end outside still is equipped with sealed second mounting groove, returns the liquid right-hand member and is equipped with packing ring standing groove and disk seat standing groove in proper order, the packing ring is L shape structure, returns the liquid valve barrel and contacts out with the packing ring and is equipped with the corner cut.
Description
Technical Field
The utility model relates to a mining hydraulic support field, concretely relates to novel automatically controlled main valve case subassembly.
Background
The operation valve is more and more widely applied under the environment that the coal mine comprehensive mining is more and more developed towards automation and high efficiency. The valve core assembly is used as an important element of underground coal mining equipment, and the use performance of the valve core assembly directly influences the safety and the production progress of underground coal mining production. The valve core assembly comprises a push rod, a liquid inlet valve sleeve, a liquid return valve sleeve, a middle seat and a base, and as a valve seat is generally arranged between the two valve sleeves on the valve core assembly and is generally made of polyether-ether-ketone, the valve seat is impacted by main liquid return after being used for a long time and is easily crushed, so that the whole service life of the valve is shortened and the safety is influenced; in addition, the valve core moves again, so that the phenomena of jamming and unsmoothness can be caused, and the reversing is influenced; meanwhile, the sealing between the valve seat and the valve core still needs to be strengthened, so that the service life of the product is further prolonged.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the to-be-solved technical problem of the utility model is to provide a novel automatically controlled main valve case subassembly that the structure is firm, the switching-over is smooth and easy, the leakproofness is good, long service life.
The utility model adopts the technical scheme that the liquid-returning valve comprises a liquid-returning valve sleeve, a valve seat, a liquid-feeding valve sleeve, a liquid-returning valve core, a liquid-feeding valve core and a big spring, wherein the valve seat is arranged between the liquid-returning valve sleeve and the liquid-feeding valve sleeve;
a movable groove used for moving the liquid inlet valve core is formed in the liquid return valve core, a spring base boss used for fixing the small spring is further arranged in the liquid return valve core, a flow channel is formed in the spring base boss, a first sealing installation groove is further formed in the liquid return valve core, a small spring placing groove used for enabling the small spring to act is formed in the left end of the liquid inlet valve core, a second sealing installation groove is further formed in the outer side of the left end of the liquid inlet valve core, and sealing rings are arranged in the first sealing installation groove and the second sealing installation groove;
the liquid return valve sleeve is characterized in that a gasket placing groove used for placing a gasket and a valve seat placing groove used for placing a valve seat are sequentially formed in the right end of the liquid return valve sleeve, the gasket is of an L-shaped structure, and a cut angle is formed in the liquid return valve sleeve and the gasket in a contact mode.
And the left end of the liquid return valve core is also provided with a chamfer groove convenient for liquid inlet.
The sealing ring is a Gray ring.
The left end of the liquid inlet valve core is also provided with an opening.
The right end of the liquid inlet valve core is also provided with a large spring placing groove for fixing the large spring.
The utility model has the advantages of 1 add the little spring between feed liquor valve barrel and the liquid case that returns, the low pressure returns the liquid and does not have the card pause, moves more smoothly, 2 the disk seat junction adds L shape packing rings, has strengthened the disk seat and has resisted impact strength, avoids the conquassation, and case life reinforcing, 3 adopt the glayle circle sealed, sealed effectual.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of a valve core assembly of an electrically controlled main valve according to the present invention;
FIG. 2 is a schematic structural view of the liquid return valve core of the present invention;
fig. 3 is a schematic structural diagram of the liquid inlet valve core of the present invention;
fig. 4 is a schematic structural view of the liquid return valve sleeve of the present invention;
fig. 5 is an enlarged view of fig. 2.
Detailed Description
As shown in fig. 1-5, the utility model relates to a novel automatically controlled main valve case subassembly, including liquid valve barrel 1, disk seat 2, feed liquor valve barrel 3, liquid valve core 4, feed liquor case 5, big spring 6, little spring 7 and packing ring 8 return, disk seat 2 is established return liquid valve barrel 1 with in the middle of the feed liquor valve barrel 3, return liquid valve barrel 1 with feed liquor valve barrel 3 threaded connection, return liquid valve barrel 1 with the inside cavity of feed liquor valve barrel 3, return liquid case 4 establishes in the liquid valve barrel 1, feed liquor case 5 establishes inside and its left end of feed liquor case 5 are established in return liquid valve barrel 4, big spring 6 cover is established the right-hand member of feed liquor valve core 5, little spring 7 is established between feed liquor valve barrel 3 and the liquid valve core 4, packing ring 8 is established return packing ring 8 between liquid valve barrel 1 and the disk seat 2, little spring, the low pressure returns the liquid and does not have the card to pause, moves more smoothly, adds L shape packing ring, has strengthened the crushing strength, avoids crushing the disk seat, life reinforcing case.
A movable groove 10 for moving the liquid inlet valve core 5 is arranged in the liquid return valve core 4, a spring base boss 11 for fixing the small spring 7 is further arranged in the liquid return valve core 4, a flow channel 17 is arranged in the spring base boss 11, a first sealing installation groove 12 is further arranged on the liquid return valve core 4, a small spring placing groove 13 for the small spring 7 to act is arranged at the left end of the liquid inlet valve core 5, a second sealing installation groove 14 is further arranged on the outer side of the left end of the liquid inlet valve core 5, and sealing rings 9 are arranged in the first sealing installation groove 12 and the second sealing installation groove 14;
the liquid return valve barrel 1 right-hand member is equipped with in proper order and is used for placing packing ring standing groove 19 of packing ring 8 and being used for placing the disk seat standing groove 20 of disk seat 2, packing ring 8 is L shape structure, liquid return valve barrel 1 with packing ring 8 contacts out and is equipped with corner cut 21, makes things convenient for back chipping, prevents to produce the clearance, improves the leakproofness.
And the left end of the liquid return valve core 4 is also provided with a chamfer groove 22 convenient for liquid inlet.
The sealing ring 9 is a GREEN ring, and the sealing effect is better.
The left end of the liquid inlet valve core 5 is also provided with an opening 15.
The right end of the liquid inlet valve core 5 is also provided with a large spring placing groove 16 for fixing the large spring 6, and the large spring is fixed firmly and has a stable structure.
The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention are all included within the protection scope of the present invention.
Claims (5)
1. The utility model provides a novel automatically controlled main valve case subassembly, includes liquid valve case (1), disk seat (2), feed liquor valve barrel (3), liquid valve case (4), feed liquor case (5) and big spring (6) return, disk seat (2) are established return liquid valve barrel (1) with in the middle of feed liquor valve barrel (3), return liquid valve barrel (1) with feed liquor valve barrel (3) threaded connection, return liquid valve barrel (1) with the inside cavity of feed liquor valve barrel (3), establish return liquid case (4) in return liquid valve barrel (1), establish feed liquor case (5) establish inside and its left end of feed liquor case (5) are established return in liquid valve case (4), big spring (6) cover is established the right-hand member of feed liquor case (5), its characterized in that: the valve also comprises a small spring (7) arranged between the liquid inlet valve sleeve (3) and the liquid return valve core (4) and a gasket (8) arranged between the liquid return valve sleeve (1) and the valve seat (2);
a movable groove (10) used for moving the liquid inlet valve core (5) is formed in the liquid return valve core (4), a spring base boss (11) used for fixing the small spring (7) is further arranged in the liquid return valve core (4), a flow channel (17) is formed in the spring base boss (11), a sealed first mounting groove (12) is further formed in the liquid return valve core (4), a small spring placing groove (13) used for enabling the small spring (7) to act is formed in the left end of the liquid inlet valve core (5), a sealed second mounting groove (14) is further formed in the outer side of the left end of the liquid inlet valve core (5), and sealing rings (9) are arranged in the sealed first mounting groove (12) and the sealed second mounting groove (14);
the liquid return valve sleeve is characterized in that a gasket placing groove (19) for placing a gasket (8) and a valve seat placing groove (20) for placing a valve seat (2) are sequentially formed in the right end of the liquid return valve sleeve (1), the gasket (8) is of an L-shaped structure, and the liquid return valve sleeve (1) is in contact with the gasket (8) to form a cut angle (21).
2. The novel electronically controlled main valve spool assembly of claim 1, wherein: and a chamfer groove (22) convenient for liquid inlet is also arranged at the left end of the liquid return valve core (4).
3. The novel electronically controlled main valve spool assembly of claim 1, wherein: the sealing ring (9) is a Gray ring.
4. The novel electronically controlled main valve spool assembly of claim 1, wherein: the left end of the liquid inlet valve core (5) is also provided with an opening (15).
5. The novel electronically controlled main valve spool assembly of claim 1, wherein: the right end of the liquid inlet valve core (5) is also provided with a large spring placing groove (16) for fixing the large spring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922310517.1U CN211116888U (en) | 2019-12-20 | 2019-12-20 | Novel automatically controlled main valve case subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922310517.1U CN211116888U (en) | 2019-12-20 | 2019-12-20 | Novel automatically controlled main valve case subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211116888U true CN211116888U (en) | 2020-07-28 |
Family
ID=71689833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922310517.1U Active CN211116888U (en) | 2019-12-20 | 2019-12-20 | Novel automatically controlled main valve case subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211116888U (en) |
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2019
- 2019-12-20 CN CN201922310517.1U patent/CN211116888U/en active Active
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