CN209839277U - Sealed ball valve body - Google Patents
Sealed ball valve body Download PDFInfo
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- CN209839277U CN209839277U CN201920273568.9U CN201920273568U CN209839277U CN 209839277 U CN209839277 U CN 209839277U CN 201920273568 U CN201920273568 U CN 201920273568U CN 209839277 U CN209839277 U CN 209839277U
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Abstract
A kind of canned type ball valve body, including the valve body, there are valve core cavity, transition chamber and liquid outlet chamber communicated with outside of the valve body as an organic whole sequentially inside the valve body, the axis of the valve core cavity, transition chamber and liquid outlet chamber is the collinear, the shape of the valve core cavity is bowl-shaped, the minor opening of the valve core cavity communicates with transition chamber, liquid outlet chamber are circular; the top of the transition cavity is provided with a valve rod cavity which is perpendicular to the axis of the valve body and passes through the valve rod for the valve rod to pass through; a sealing ring with a V-shaped section and made of elastic material is arranged in the transition cavity, the vertical surface of the sealing ring is tightly attached to the inner wall of the transition cavity, the bent part of the sealing ring points to the valve core cavity, and the other vertical surface of the sealing ring faces to the center of the valve core cavity; the sealing ring is connected with the transition cavity by putting the bulge on the back surface into the groove of the transition cavity. The utility model discloses the leakproofness is good, and it is convenient to maintain, and valve body inner chamber and case wearing and tearing speed are slow, long service life.
Description
Technical Field
The utility model relates to the technical field of valves, concretely relates to canned type ball valve body.
Background
With the rapid development of science and technology and the continuous improvement of production process and product structure, ball valves have rapidly developed into a main valve class in short 40 years. The opening and closing part of the ball valve is a ball body, is driven by a valve rod and rotates around the axis of the ball valve, and can be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of surfacing hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The valve body is an important part in the valve body, and the valve body is influenced by the tightness of the valve cover to cause the problem of leakage. The inside of valve body is usually the shape of cooperation case and designs and has reached sealed effect, nevertheless uses the back for a long time, because of the case opens and close repeatedly and causes wearing and tearing, causes the inside and the case of valve body can't realize agreeing with, leads to revealing the problem and takes place.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a canned type ball valve body that has good sealed effect of convenient maintenance.
The technical scheme of the utility model as follows:
the utility model relates to a canned type ball valve body, its characterized in that: the valve comprises a valve body, wherein a valve core cavity, a transition cavity and a liquid outlet cavity which are connected into a whole and communicated with the outside of the valve body are sequentially arranged in the valve body, the axes of the valve core cavity, the transition cavity and the liquid outlet cavity are in the same straight line, the valve core cavity is bowl-shaped, a smaller opening of the valve core cavity is communicated with the transition cavity, the transition cavity and the liquid outlet cavity are annular, and the section radius of the liquid outlet cavity is smaller than that of the transition cavity; the top of the transition cavity is provided with a valve rod cavity which is perpendicular to the axis of the valve body and passes through the valve body for the valve rod to pass through; a sealing ring which is V-shaped in cross section and made of elastic material is arranged in the transition cavity, the vertical surface of the sealing ring is tightly attached to the inner wall of the transition cavity, the bent part of the sealing ring points to the valve core cavity, and the other vertical surface of the sealing ring faces to the center of the valve core cavity; and a flange is arranged at the opening end of the liquid outlet cavity of the valve body.
The sealing ring is tightly attached to the vertical surface of the inner wall of the transition cavity, a protrusion is arranged on the inner wall of the transition cavity, a groove matched with the protrusion is formed in the inner wall of the transition cavity, the protrusion is placed in the groove, and the sealing ring is movably connected with the groove.
The groove is uniformly arranged along the circumferential direction of the cross section of the inner wall of the transition cavity, the groove on the circular cross section of the transition cavity is the same to form a groove ring, the number of the groove rings is three, the groove rings are uniformly distributed along the axis of the transition cavity, the protrusions are uniformly arranged along the circumferential direction of the ring of the vertical surface of the sealing ring, and the protrusions are arranged at the positions of the vertical surface of the sealing ring and the positions of the grooves on the groove ring are opposite.
The valve body is provided with annular grooves at the opening ends of the valve core cavity and the liquid outlet cavity, and sealing rings are arranged in the annular grooves.
The utility model discloses the beneficial technological effect who has: the utility model discloses a sealing ring of V font cooperatees with the case, realizes sealed effect. When the valve core is switched to the opening and closing state, because of the hardness, the abraded sealing ring is not the inner wall of the valve body, when the sealing effect is reduced, the sealing state can be recovered by replacing a new sealing ring, and the maintenance is convenient; the distance between the sealing ring and the valve core is adjusted by selecting the empty groove ring used when the sealing ring is connected with the transition cavity, so that the sealing effect and the abrasion speed can be controlled.
Drawings
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a main sectional view of the present invention.
Fig. 2 is an enlarged view of a portion a of fig. 1.
Fig. 3 is a top view of the present invention.
Fig. 4 is a right side view of the present invention.
In the figure: 1-valve body, 2-valve core cavity, 3-transition cavity, 4-liquid outlet cavity, 5-valve rod cavity, 6-sealing ring, 7-flange, 8-groove, 9-groove ring, 10-bulge, 11-annular groove and 12-sealing ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 4, the utility model relates to a canned type ball valve body, its characterized in that: the valve comprises a valve body 1, wherein a valve core cavity 2, a transition cavity 3 and a liquid outlet cavity 4 which are connected into a whole and communicated with the outside of the valve body 1 are sequentially arranged in the valve body 1, the axes of the valve core cavity 2, the transition cavity 3 and the liquid outlet cavity 4 are in the same straight line, the valve core cavity 2 is bowl-shaped, a smaller opening of the valve core cavity 2 is communicated with the transition cavity 3, the transition cavity 3 and the liquid outlet cavity 4 are annular, and the section radius of the liquid outlet cavity 4 is smaller than that of the transition cavity 3; the top of the transition cavity 3 is provided with a valve rod cavity 5 which is vertical to the axis of the valve body 1 and passes through the valve body 1 for the valve rod to pass through; a sealing ring 6 with a V-shaped section and made of elastic material is arranged in the transition cavity 3, the vertical surface of the sealing ring 6 is tightly attached to the inner wall of the transition cavity 3, the bent part of the sealing ring 6 points to the valve core cavity 2, and the other vertical surface of the sealing ring 6 faces to the center of the valve core cavity 2; the valve body 1 is provided with a flange 7 at the opening end of the liquid outlet cavity 4.
The vertical surface of the sealing ring 6 clinging to the inner wall of the transition cavity 3 is provided with a bulge 10, the inner wall of the transition cavity 3 is provided with a groove 8 matched with the bulge 10, the bulge 10 is arranged in the groove 8, and the sealing ring 6 is movably connected with the groove 8.
The groove 8 is evenly arranged along the circumferential direction of the cross section of the inner wall of the transition cavity 3, the groove 8 on the circular cross section of the same transition cavity 3 forms a groove ring 9, the number of the groove rings 9 is three, the groove rings 9 are evenly distributed along the axis of the transition cavity 3, the protrusions 10 are evenly arranged along the circumferential direction of the ring of the vertical surface of the sealing ring 6 at the position, and the positions of the protrusions 10 on the vertical surface of the sealing ring 6 are opposite to the positions of the grooves 8 on the groove rings 9.
The valve body 1 is provided with an annular groove 11 at the opening ends of the valve core cavity 2 and the liquid outlet cavity 4, and a sealing ring 12 is arranged in the annular groove 11.
The working principle of the example is as follows:
the sealing effect is realized by matching the V-shaped sealing ring 6 with the valve core, the sealing ring 6 is made of elastic material and can be tightly attached to the inner wall of the transition cavity 4 under the elastic action, and the position of the sealing ring 6 can be fixed by placing the bulge 10 in the groove 8, so that the sealing ring 6 is prevented from sliding in the transition cavity 4; when the valve core is switched to the opening and closing state, the abraded sealing ring 6 is not the inner wall of the valve body 1 due to the hardness, the service life is prolonged, when the sealing effect is reduced, the sealing state can be recovered by replacing a new sealing ring 6, and the maintenance is convenient; by selecting the empty groove ring used when the sealing ring 6 is connected with the transition cavity 3, the distance between the sealing ring 6 and the valve core is adjusted, and the sealing effect and the abrasion speed can be controlled; the sealing ring 12 in the annular groove 11 helps to enhance the sealing effect.
The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (4)
1. The utility model provides a canned type ball valve body which characterized in that: the valve comprises a valve body, wherein a valve core cavity, a transition cavity and a liquid outlet cavity which are connected into a whole and communicated with the outside of the valve body are sequentially arranged in the valve body, the axes of the valve core cavity, the transition cavity and the liquid outlet cavity are in the same straight line, the valve core cavity is bowl-shaped, a smaller opening of the valve core cavity is communicated with the transition cavity, the transition cavity and the liquid outlet cavity are annular, and the section radius of the liquid outlet cavity is smaller than that of the transition cavity; the top of the transition cavity is provided with a valve rod cavity which is perpendicular to the axis of the valve body and passes through the valve body for the valve rod to pass through; a sealing ring which is V-shaped in cross section and made of elastic material is arranged in the transition cavity, the vertical surface of the sealing ring is tightly attached to the inner wall of the transition cavity, the bent part of the sealing ring points to the valve core cavity, and the other vertical surface of the sealing ring faces to the center of the valve core cavity; and a flange is arranged at the opening end of the liquid outlet cavity of the valve body.
2. The sealed ball valve body of claim 1, wherein: the sealing ring is tightly attached to the vertical surface of the inner wall of the transition cavity, a protrusion is arranged on the inner wall of the transition cavity, a groove matched with the protrusion is formed in the inner wall of the transition cavity, the protrusion is placed in the groove, and the sealing ring is movably connected with the groove.
3. The sealed ball valve body of claim 2, wherein: the groove is uniformly arranged along the circumferential direction of the cross section of the inner wall of the transition cavity, the groove on the circular cross section of the transition cavity is the same to form a groove ring, the number of the groove rings is three, the groove rings are uniformly distributed along the axis of the transition cavity, the protrusions are uniformly arranged along the circumferential direction of the ring of the vertical surface of the sealing ring, and the protrusions are arranged at the positions of the vertical surface of the sealing ring and the positions of the grooves on the groove ring are opposite.
4. The sealed ball valve body of claim 1, wherein: the valve body is provided with annular grooves at the opening ends of the valve core cavity and the liquid outlet cavity, and sealing rings are arranged in the annular grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920273568.9U CN209839277U (en) | 2019-03-05 | 2019-03-05 | Sealed ball valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920273568.9U CN209839277U (en) | 2019-03-05 | 2019-03-05 | Sealed ball valve body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209839277U true CN209839277U (en) | 2019-12-24 |
Family
ID=68905215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920273568.9U Active CN209839277U (en) | 2019-03-05 | 2019-03-05 | Sealed ball valve body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209839277U (en) |
-
2019
- 2019-03-05 CN CN201920273568.9U patent/CN209839277U/en active Active
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| GR01 | Patent grant | ||
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