CN217328566U - Anti-corrosion underflow resistance external control sealing ball valve - Google Patents
Anti-corrosion underflow resistance external control sealing ball valve Download PDFInfo
- Publication number
- CN217328566U CN217328566U CN202221187185.8U CN202221187185U CN217328566U CN 217328566 U CN217328566 U CN 217328566U CN 202221187185 U CN202221187185 U CN 202221187185U CN 217328566 U CN217328566 U CN 217328566U
- Authority
- CN
- China
- Prior art keywords
- valve
- ring
- mounting
- external control
- seat
- 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.)
- Active
Links
Images
Landscapes
- Taps Or Cocks (AREA)
Abstract
The utility model provides a pair of flow resistance external control seals ball valve at bottom of anticorrosiving aims at solving among the prior art and aims at solving the problem that ball valve sealing performance is poor when using among the prior art. The utility model discloses a following technical scheme solves above-mentioned technical problem, include: the two ends of the valve body are respectively provided with an inlet flow passage and an outlet flow passage; the opposite end parts of the inlet channel and the outlet channel are provided with valve seats; a valve core; the sealing ring is arranged on the valve seat and is matched and sealed with the valve core; an abutting spring is arranged between the sealing ring and the valve seat. The utility model discloses a with the sealing ring setting in the runner that advances, the runner that outflows is close to the one end of case for seal between sealing ring and the case and seal up, through set up the collar on the terminal surface of case is kept away from at the sealing ring simultaneously, be provided with the butt spring between collar and the annular, make the collar form elastic seal structure between can through the butt spring's butt force and the case, improve the sealed effect between case and the disk seat.
Description
Technical Field
The utility model relates to a ball valve technical field, in particular to anticorrosion underflow hinders external control sealing ball valve.
Background
China is gradually developing towards intensive, energy-saving, emission-reducing and low-carbon industries. At present, ordinary external control ball valve includes the valve body usually, the disk seat, the valve rod, and spheroid, the one end of valve rod run through the valve body and with spheroid fixed connection, the other end of valve rod is equipped with the handle, be equipped with the disk seat in the valve body, the spheroid sets up between two disk seats, be equipped with the sealed face that agrees with the spheroid on the disk seat, be equipped with sealed the pad between valve body and the valve gap, because often use, in the long-term flow of medium strikes the in-process, on the one hand because between spheroid and the disk seat, be mechanical connection between disk seat and the valve body, if accomplish to seal completely, it is very high to the processing technology requirement on surface, thereby the defective percentage that leads to appearing is very high.
The sealing performance of the existing ball valve is not strong when the existing ball valve is used, and meanwhile, the valve rod is in contact with a medium for a long time, so that the valve rod is corroded, and therefore a novel close ball valve is urgently needed, the sealing performance of the ball valve is improved when the existing ball valve is used, and the sealing performance between the ball valve and a ball seat can be guaranteed when the existing ball valve is in long-term flow impact.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an outer sealed ball valve of accuse is hindered to anticorrosion underflow aims at solving among the prior art ball valve sealing performance poor problem when using.
In order to achieve the above object, the utility model provides an outer sealed ball valve of accuse is hindered to anticorrosion underflow, include:
the valve comprises a valve body, wherein a flow inlet channel and a flow outlet channel are respectively arranged at two ends of the valve body in the length direction;
the valve seat is arranged at the opposite end parts of the inlet channel and the outlet channel;
the valve core is arranged in the valve body and is matched with the valve seat for sealing;
the mounting seat is fixedly connected with the valve body;
the valve rod penetrates through the mounting seat and is connected with the valve core;
the sealing ring is arranged on the valve seat and is matched and sealed with the valve core; the valve is characterized in that an annular groove is formed in the valve seat, the sealing ring is far away from the end face of the valve core, a mounting ring matched with the annular groove is arranged on the end face of the valve core, and a butt spring is arranged between the mounting ring and the annular groove.
The utility model discloses a with the sealing ring setting in the one end of runner, the runner of effluenting is close to the case for between sealing ring and the case and seal up, through set up the collar on the terminal surface of case is kept away from at the sealing ring simultaneously, be provided with the butt spring between collar and the annular, make the collar form elastic seal structure between can through the butt spring's butt force and the case, improve the sealed effect between case and the disk seat.
Furthermore, the valve core is provided with a mounting hole, the end part of the valve rod is provided with a mounting head matched with the mounting hole, and a sliding gap is formed between the mounting hole and the mounting head in the length direction of the valve body.
Further, the mounting head is a square head.
Furthermore, a sealing surface of the sealing ring, which is in contact with the valve core, is provided with a sealing ring.
Furthermore, a through hole for installing the valve core is formed in the installation seat, and the valve rod penetrates through the through hole to be connected with the valve core; the outer periphery of the valve rod is provided with a positioning member, and the circumferential direction of the through hole is provided with a positioning ring groove matched with the positioning member.
Further, the corresponding central angle of the positioning ring groove is dimensioned such that the valve rod 2 is rotated exactly 90 degrees.
Furthermore, the circumferential direction of the valve rod is provided with a butting ring, a butting ring is arranged on the butting ring, and the butting ring is arranged at the bottom of the butting ring and the bottom of the through hole.
The utility model has the following technical advantages: (1) an abutting spring is arranged between the mounting ring and the annular groove, so that the mounting ring can form an elastic sealing structure with the valve core through the abutting force of the abutting spring, and the sealing effect between the valve core and the valve seat is improved; (2) a butting ring is arranged between the butting ring of the valve rod and the bottom of the through hole, and the butting ring can prevent a medium from flowing into the through hole from the interior of the valve body 1 to corrode the valve rod; (3) when the valve rod is rotated, the rotating angle of the valve rod can be controlled due to the matching of the positioning member and the positioning ring groove, the phenomenon that the operating force is too large when the operating rod is used, and large bending moment is generated on the valve rod is prevented, and the valve rod is prevented from deforming.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a perspective view of the present invention;
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1: referring to fig. 1 to 3, an anti-corrosion underflow block external control sealing ball valve comprises:
the valve comprises a valve body 1, wherein a flow inlet channel 11 and a flow outlet channel 12 are respectively arranged at two ends of the valve body 1 in the length direction; the inlet channel 11 and the outlet channel 12 are independent flange pieces, and the inlet channel 11, the valve body 12 and the outlet channel 13 are fixedly connected through bolts 7;
a valve seat 13 provided at an end of the inlet passage 11 opposite to the outlet passage 12;
the valve core 3 is arranged in the valve body 1 and is matched with the valve seat 13 for sealing;
the mounting seat 4 is fixedly connected with the valve body 1, and the valve body 1 and the mounting seat 4 are integrally formed in the embodiment; the mounting seat 4 is provided with a through hole 41 for mounting the valve core 3, the bottom end of the valve rod 2 penetrates through the through hole 41 to be connected with the valve core 3, the upper end of the valve rod 2 is connected with an operating rod 6, and the valve is opened and closed by rotating the operating rod 6;
the sealing ring 5 is arranged on the valve seat 13 and is matched and sealed with the valve core 3; the valve seat 13 is provided with an annular groove 131, the end surface of the sealing ring 5 away from the valve core 3 is provided with a mounting ring 51 matched with the annular groove 131, and a contact spring 132 is arranged between the mounting ring 51 and the annular groove 131.
The valve rod 2 is provided with a contact ring 23 in the circumferential direction, a contact ring 24 is provided on the contact ring 23, and the contact ring 24 is provided between the contact ring 23 and the bottom of the through hole 41.
A sealing surface of the sealing ring 5 contacting the valve element 2 is provided with a sealing ring 52.
The valve core 3 is provided with a mounting hole 31, and the end part of the valve rod 2 is provided with a mounting head 21 matched with the mounting hole 31.
The working principle of the embodiment is as follows: in the present embodiment, two sealing rings 5 are provided, and are respectively provided at one end of the inlet channel 11 and one end of the outlet channel 12 close to the valve element 3, so that the sealing rings 5 and the valve element 3 are sealed, and meanwhile, by providing the mounting ring 51 on the end surface of the sealing ring 5 far from the valve element 3, the abutting spring 132 is provided between the mounting ring 51 and the ring groove 131, so that the mounting ring 51 can form an elastic sealing structure with the valve element 3 through the abutting force of the abutting spring 132, and the sealing effect between the valve element 3 and the valve seat 13 is improved; simultaneously in order to realize further sealed effect, set up sealing ring 52 on the contact surface of sealing ring 5 with case 3 contact, the material of sealing ring 52 is selected according to actual conditions, and sealing ring 52 adopts rubber fluororubber sealing ring in this embodiment, and rubber fluororubber sealing ring has high temperature resistant can reach 300 ℃, and not afraid of acid-base, oil resistance are good among the oil-resistant rubber characteristics. Meanwhile, in the present embodiment, in order to improve the corrosion resistance of the valve stem 2, the abutment ring 24 is provided between the abutment ring 23 of the valve stem 2 and the bottom of the through hole 41, and the abutment ring 24 can prevent the medium from flowing into the through hole 41 from the inside of the valve body 1 to corrode the valve stem 2.
Example 2: this embodiment has substantially the same structure as embodiment 1, except that the mounting head 21 is a square head, and the mounting hole 31 is provided with a sliding gap in the longitudinal direction of the valve body 1 with respect to the mounting head 21.
By arranging the sliding gap, the width of the mounting hole 31 in the length direction of the valve body 1 is larger than the length of the square head, so that when the ball valve is closed, pressure is applied to the sealing ring 5 and the valve core 3 at the position of the inlet channel 11 by a medium, the valve core 3 can move towards one side of the outlet channel 12 by the acting force of the medium, the valve core 3 can be in close contact with the sealing ring 5 at one side of the outlet channel 12, and the sealing performance between the valve core 3 and the sealing ring 5 at one side of the outlet channel 12 is improved; it should be reminded that, since the width direction of the mounting hole 31 is the same as the size of the square head, the valve rod 2 is not affected when the valve core 3 is rotated.
Example 3: this embodiment is similar in structure to embodiment 1 or embodiment 2, except that,
the valve rod 2 is provided with a positioning member 22 on the outer circumferential surface thereof, a positioning ring groove 411 matched with the positioning member 22 is arranged in the circumferential direction of the through hole 41, and the positioning member 22 and the valve rod 2 are integrally formed. The corresponding central angle of the retainer ring slot 411 is 90 degrees.
In this embodiment, by arranging the positioning member 22, when the valve rod 2 is rotated, due to the matching between the positioning member 22 and the positioning ring groove 411, the rotation angle of the valve rod 2 can be controlled, a large bending moment on the valve rod 2 caused by an overlarge operation force when the operating lever 6 is used is prevented, the valve rod 2 is prevented from being deformed, and the size of the corresponding central angle of the positioning ring groove 411 is set to enable the valve rod 2 to just rotate to 90 degrees, so that the valve rod 2 just can only rotate to 90 degrees from the closing of the ball valve to the opening of the ball valve; it should be noted that, in order to enable the valve rod 2 to be conveniently installed in the through hole 41 and enable the positioning member 22 to be matched with the positioning ring groove 411 in the present embodiment, a long groove 412 is provided on a side wall of the through hole 41 along a length direction of the through hole 41, and a width of the long groove 412 is the same as a width of the positioning member 22, so that the positioning member 22 can reach the positioning ring groove 411 along the long groove 412 when the valve rod 2 is installed.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (7)
1. An anti-corrosion underflow resistance external control sealing ball valve is characterized by comprising:
the valve comprises a valve body, wherein a flow inlet channel and a flow outlet channel are respectively arranged at two ends of the valve body in the length direction;
the valve seat is arranged at the opposite end parts of the inlet channel and the outlet channel;
the valve core is arranged in the valve body and is matched with the valve seat for sealing;
the mounting seat is fixedly connected with the valve body;
the valve rod penetrates through the mounting seat and is connected with the valve core;
the sealing ring is arranged on the valve seat and is matched and sealed with the valve core; the valve is characterized in that an annular groove is formed in the valve seat, the sealing ring is far away from the end face of the valve core, a mounting ring matched with the annular groove is arranged on the end face of the valve core, and a butt spring is arranged between the mounting ring and the annular groove.
2. The anti-corrosion bottom flow resistance external control sealing ball valve according to claim 1, wherein a mounting hole is formed in the valve core, a mounting head matched with the mounting hole is arranged at the end of the valve rod, and a sliding gap is formed between the mounting hole and the mounting head in the length direction of the valve body.
3. The anti-corrosion bottom flow resistance external control sealing ball valve according to claim 2, wherein the mounting head is a square head.
4. The anti-corrosion bottom flow resistance external control sealing ball valve according to claim 3, wherein a sealing ring is arranged on a sealing surface of the sealing ring contacting with the valve core.
5. The anti-corrosion bottom flow resistance external control sealing ball valve according to claim 1, wherein the mounting seat is provided with a through hole for mounting the valve core, and the valve rod is connected with the valve core through the through hole; the outer periphery of the valve rod is provided with a positioning member, and the circumferential direction of the through hole is provided with a positioning ring groove matched with the positioning member.
6. The anti-corrosion bottom flow resistance external control sealing ball valve according to claim 5, wherein the corresponding central angle of the positioning ring groove is sized to allow the valve stem 2 to rotate exactly 90 degrees.
7. The anti-corrosion bottom flow resistance external control sealing ball valve according to claim 5 or 6, characterized in that the valve stem is provided with an abutting ring in the circumferential direction, and an abutting ring is arranged on the abutting ring and is arranged at the bottom of the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221187185.8U CN217328566U (en) | 2022-05-17 | 2022-05-17 | Anti-corrosion underflow resistance external control sealing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221187185.8U CN217328566U (en) | 2022-05-17 | 2022-05-17 | Anti-corrosion underflow resistance external control sealing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217328566U true CN217328566U (en) | 2022-08-30 |
Family
ID=82952719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221187185.8U Active CN217328566U (en) | 2022-05-17 | 2022-05-17 | Anti-corrosion underflow resistance external control sealing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217328566U (en) |
-
2022
- 2022-05-17 CN CN202221187185.8U patent/CN217328566U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20210396325A1 (en) | Valve assemblies, valve seats including flexible arms, and related methods | |
| CN203189744U (en) | Regulating valve | |
| CN208816705U (en) | High sealing performance fluorine lining butterfly valve | |
| CN211259712U (en) | Bidirectional hard-to-hard high-temperature sealing rotary ball valve | |
| CN217328566U (en) | Anti-corrosion underflow resistance external control sealing ball valve | |
| WO2018040704A1 (en) | One-way valve adapted to highly corrosive environment | |
| CN201487239U (en) | right-angle valve | |
| CN110608296A (en) | Hemispherical metal sealing fixed ball valve with jacket | |
| KR20180000280U (en) | Stopper for valve | |
| CN213629357U (en) | Stop valve | |
| CN108953621B (en) | Instrument stop valve | |
| CN212028539U (en) | Anti-corrosion stop valve | |
| CN209725230U (en) | A kind of lining plastic butterfly valve | |
| CN207750510U (en) | Gas-combustion valve and pipe-line system | |
| CN202561109U (en) | V-shaped ball valve | |
| CN220396554U (en) | Integrated high-temperature ball valve ball | |
| CN216200660U (en) | Combined sealing structure of axial-flow regulating valve and axial-flow regulating valve | |
| KR20040023564A (en) | Gate valve | |
| CN110822113A (en) | High-sealing elastic seat seal gate valve | |
| CN217003117U (en) | Lining butterfly valve with multiple sealing structure | |
| CN219432497U (en) | Powder plug valve | |
| CN212959899U (en) | Connecting structure of butterfly valve | |
| CN216895789U (en) | Multiple sealed high stability stop valve | |
| CN216768428U (en) | Double-valve-seat ball valve | |
| CN219221367U (en) | Stop check valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |