CN220470690U - Wear-resisting high temperature ball valve that sealing performance is good - Google Patents
Wear-resisting high temperature ball valve that sealing performance is good Download PDFInfo
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- CN220470690U CN220470690U CN202322055600.5U CN202322055600U CN220470690U CN 220470690 U CN220470690 U CN 220470690U CN 202322055600 U CN202322055600 U CN 202322055600U CN 220470690 U CN220470690 U CN 220470690U
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- packing
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- 238000007789 sealing Methods 0.000 title claims abstract description 74
- 210000004907 gland Anatomy 0.000 claims abstract description 22
- 230000000712 assembly Effects 0.000 claims abstract description 5
- 238000000429 assembly Methods 0.000 claims abstract description 5
- 238000012856 packing Methods 0.000 claims description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Details Of Valves (AREA)
Abstract
The application discloses a wear-resisting high-temperature ball valve with good sealing performance, which relates to the technical field of valves and comprises a valve body, a valve core, a valve seat gland and a valve rod, wherein the valve seat gland is arranged in a first flow passage of the valve body; the valve rod is arranged at the upper through hole of the valve body and is in linkage connection with the valve core, and the outer end of the connecting rod on the valve rod is in linkage connection with a handle; the valve seat is arranged in the first flow passage and the second flow passage and is used for being matched with the valve core in a sealing way, and the valve seat at the right end is abutted against the valve seat gland; the pair of sealing assemblies are respectively arranged on the corresponding valve seats and are in sealing fit with the valve cores. The sealing component who has this application, sealing performance is more excellent, and high temperature resistant can avoid the inside medium of valve to leak to the external world, avoids the emergence of incident.
Description
Technical Field
The application relates to the technical field of valves, in particular to a wear-resistant high-temperature ball valve with good sealing performance.
Background
The valve is driven by the valve rod and rotates around the axis of the valve, and can also be used for regulating and controlling fluid, wherein the hard seal V-shaped valve has strong shearing force between the V-shaped ball core and the metal valve seat of the hard alloy for surfacing, and is particularly suitable for mediums containing fiber, tiny solid particles and the like, the multi-way valve can flexibly control the confluence, the diversion and the flow direction switching of the mediums on a pipeline, and simultaneously can also close any one channel to connect the other two channels. However, after the conventional ball valve is frequently operated, the internal packing is worn, so that the gap between the valve rod and the packing is increased, medium leakage is caused, and serious accidents are caused.
Disclosure of Invention
Aiming at the defects in the prior art, the application provides the wear-resistant high-temperature ball valve with good sealing performance, so as to solve the technical problems.
In order to achieve the above purpose, the present application adopts the following technical scheme:
a wear resistant high temperature ball valve with good sealing performance, comprising:
a valve body;
a valve core installed in the valve body;
the valve seat gland is arranged in the first flow passage of the valve body;
the valve rod is arranged at the upper through hole of the valve body and is in linkage connection with the valve core, and the outer end of the connecting rod on the valve rod is in linkage connection with a handle;
wherein, still include a sealing mechanism, sealing mechanism includes:
the valve seats are respectively arranged in the first flow channel and the second flow channel and are used for being matched with the valve core in a sealing way, and the valve seat at the right end is propped against the valve seat gland;
and the pair of sealing assemblies are respectively arranged on the corresponding valve seats and are in sealing fit with the valve cores.
Further, the sealing assembly comprises a pressing sleeve, a graphite sealing ring and a high-temperature-resistant sealing ring, wherein the pressing sleeve and the graphite sealing ring are arranged at the containing groove of the valve seat, and the high-temperature-resistant sealing ring is arranged at the annular groove of the valve seat.
Still further, the sealing assembly further comprises an O-ring, wherein the O-ring is arranged at the mounting groove of the valve seat and is in sealing fit with the valve core.
Still further, be provided with a sealing portion between connecting rod and the valve body, sealing portion includes a packing portion, a gland and an elastic gasket, packing portion sets up the outer end of connecting rod, gland will upper end of packing portion compresses tightly, elastic gasket with set up the valve body the valve rod with sealing groove sealing fit between the connecting rod.
Furthermore, a packing pressing plate is fixedly arranged at the upper end of the valve body, and the upper end of the packing pressing plate presses the upper end of the packing pressing cover.
Further, the valve seat gland is fixedly connected with the valve body through a pair of first screws.
Further, the packing pressing plate is fixedly connected with the upper end of the valve body through a pair of second screws.
Further, a nut is arranged on the handle.
From the technical scheme, the beneficial effects of the application are as follows: the sealing component who has this application, sealing performance is more excellent, and high temperature resistant can avoid the inside medium of valve to leak to the external world, avoids the emergence of incident.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application, illustrate and explain the application and are not to be construed as limiting the application.
Fig. 1 is a structural cross-sectional view of the present application.
Fig. 2 is a partial enlarged view at a of fig. 1.
Fig. 3 is a partial enlarged view at B of fig. 1.
List of reference numerals: the valve body 1, the first flow passage 11, the second flow passage 12, the valve element 2, the sealing mechanism 3, the valve seat 31, the accommodating groove 311, the mounting groove 312, the pressure sleeve 32, the graphite seal ring 33, the high temperature resistant seal ring 34, the O-ring 35, the valve seat gland 4, the first screw 41, the valve stem 5, the connecting rod 6, the packing 61, the packing gland 62, the elastic gasket 63, the packing platen 7, the second screw 71, the handle 8, and the nut 81.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the present application more apparent, the present application will be described in further detail with reference to the embodiments and the accompanying drawings. The exemplary embodiments of the present application and their descriptions are used herein to explain the present application, but are not intended to be limiting of the present application.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the connection in which the directional indicator is correspondingly changed may be a direct connection or an indirect connection.
Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
Referring to fig. 1 to 3, as shown in fig. 1, the present embodiment provides a wear-resistant high-temperature ball valve with good sealing performance, which comprises a valve body 1, a valve core 2 installed in the valve body 1, a valve seat gland 4 and a valve rod 5, wherein the valve seat gland 4 is arranged in a first flow passage 11 of the valve body 1; the valve rod 5 is arranged at the upper through hole of the valve body 1 and is in linkage connection with the valve core 2, and a handle 8 is in linkage connection with the outer end of the connecting rod 6 on the valve rod 5; the valve seat pressing mechanism further comprises a sealing mechanism 3, wherein the sealing mechanism 3 comprises a pair of valve seats 31 and a pair of sealing assemblies, the pair of valve seats 31 are respectively arranged in the first flow passage 11 and the second flow passage 12 and are used for being in sealing fit with the valve core 2, and the valve seat 31 at the right end is abutted against the valve seat pressing cover 4; a pair of sealing assemblies are respectively arranged on the corresponding valve seats 31 and are in sealing fit with the valve core 2.
Preferably, the sealing assembly comprises a pressing sleeve 32, a graphite sealing ring 33 and a high-temperature-resistant sealing ring 34, wherein the pressing sleeve 32 and the graphite sealing ring 33 are arranged at a containing groove 311 of the valve seat 31, and the high-temperature-resistant sealing ring 34 is arranged at an annular groove of the valve seat 31.
Preferably, the sealing assembly further comprises an O-ring 35, and the O-ring 35 is disposed at a mounting groove 312 of the valve seat 31 and is in sealing engagement with the valve core 2.
Preferably, a sealing part is provided between the connecting rod 6 and the valve body 1, the sealing part includes a packing part 61, a packing gland 62 and an elastic gasket 63, the packing part 61 is provided at the outer end of the connecting rod 6, the packing gland 62 presses the upper end of the packing part 61, and the elastic gasket 63 is in sealing fit with a sealing groove provided between the valve body 1, the valve rod 5 and the connecting rod 6.
Preferably, a packing pressing plate 7 is fixedly arranged at the upper end of the valve body 1, and the packing pressing plate 7 presses the upper end of the packing gland 62.
Preferably, the valve seat gland 4 is fixedly connected to the valve body 1 by a pair of first screws 41.
Preferably, the packing pressing plate 7 is fixedly connected to the upper end of the valve body 1 by a pair of second screws 71.
Preferably, a nut 81 is provided on the handle 8.
To sum up, the sealing component that this application had, sealing performance is more excellent, and high temperature resistant can avoid the inside medium of valve to leak to the external world, avoids the emergence of incident.
The foregoing description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the embodiment of the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (8)
1. The utility model provides a wear-resisting high temperature ball valve that sealing performance is good which characterized in that includes:
a valve body (1);
a valve core (2) arranged in the valve body (1);
a valve seat gland (4), wherein the valve seat gland (4) is arranged in a first flow passage (11) of the valve body (1);
the valve rod (5) is arranged at the upper through hole of the valve body (1) and is in linkage connection with the valve core (2), and the outer end of the connecting rod (6) on the valve rod (5) is in linkage connection with a handle (8);
wherein, still include a sealing mechanism (3), sealing mechanism (3) include:
the valve seats (31) are respectively arranged in the first flow channel (11) and the second flow channel (12) and are used for being in sealing fit with the valve core (2), and the valve seat (31) at the right end is abutted against the valve seat gland (4);
and the pair of sealing assemblies are respectively arranged on the corresponding valve seats (31) and are in sealing fit with the valve core (2).
2. The high-temperature-resistant ball valve with good sealing performance according to claim 1, wherein the sealing assembly comprises a pressing sleeve (32), a graphite sealing ring (33) and a high-temperature-resistant sealing ring (34), the pressing sleeve (32) and the graphite sealing ring (33) are arranged at a containing groove (311) of the valve seat (31), and the high-temperature-resistant sealing ring (34) is arranged at an annular groove of the valve seat (31).
3. The high-temperature wear-resistant ball valve with good sealing performance according to claim 2, wherein the sealing assembly further comprises an O-ring (35), and the O-ring (35) is arranged at a mounting groove (312) of the valve seat (31) and is in sealing fit with the valve core (2).
4. A wear-resistant high-temperature ball valve with good sealing performance according to claim 3, wherein a sealing part is arranged between the connecting rod (6) and the valve body (1), the sealing part comprises a packing part (61), a packing gland (62) and an elastic gasket (63), the packing part (61) is arranged at the outer end of the connecting rod (6), the packing gland (62) tightly presses the upper end of the packing part (61), and the elastic gasket (63) is in sealing fit with a sealing groove formed among the valve body (1), the valve rod (5) and the connecting rod (6).
5. The wear-resistant high-temperature ball valve with good sealing performance according to claim 4, wherein a packing pressing plate (7) is fixedly arranged at the upper end of the valve body (1), and the packing pressing plate (7) tightly presses the upper end of the packing pressing cover (62).
6. The wear-resistant high-temperature ball valve with good sealing performance according to claim 1, wherein the valve seat gland (4) is fixedly connected with the valve body (1) through a pair of first screws (41).
7. The wear-resistant high-temperature ball valve with good sealing performance according to claim 5, wherein the packing pressing plate (7) is fixedly connected with the upper end of the valve body (1) through a pair of second screws (71).
8. The high-temperature wear-resistant ball valve with good sealing performance according to claim 1, wherein a nut (81) is arranged on the handle (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322055600.5U CN220470690U (en) | 2023-08-01 | 2023-08-01 | Wear-resisting high temperature ball valve that sealing performance is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322055600.5U CN220470690U (en) | 2023-08-01 | 2023-08-01 | Wear-resisting high temperature ball valve that sealing performance is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220470690U true CN220470690U (en) | 2024-02-09 |
Family
ID=89779392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322055600.5U Active CN220470690U (en) | 2023-08-01 | 2023-08-01 | Wear-resisting high temperature ball valve that sealing performance is good |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220470690U (en) |
-
2023
- 2023-08-01 CN CN202322055600.5U patent/CN220470690U/en active Active
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| GR01 | Patent grant |