CN220204727U - Large-specification double-valve-rod ball valve - Google Patents
Large-specification double-valve-rod ball valve Download PDFInfo
- Publication number
- CN220204727U CN220204727U CN202321601220.0U CN202321601220U CN220204727U CN 220204727 U CN220204727 U CN 220204727U CN 202321601220 U CN202321601220 U CN 202321601220U CN 220204727 U CN220204727 U CN 220204727U
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- valve body
- valve
- valve rod
- sealing step
- sealing ring
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- 238000007789 sealing Methods 0.000 claims abstract description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The large-size double-valve-rod ball valve comprises a left valve body and a water inlet joint arranged at the left end of the left valve body, wherein a right valve body coaxial with the left valve body is arranged on the right side of the left valve body; the right end face of the left valve body is provided with an annular screw joint, and the left end of the left valve body is in screw joint with the outside of the screw joint; the right end of the right valve body is provided with a water outlet joint; the inner wall of the port at the right end of the left valve body is provided with a left annular sealing step; the inner wall of the right valve body is provided with a right annular sealing step, and the right sealing step is opposite to the left sealing step; a left sealing ring matched with the left sealing step is arranged on the left sealing step; a right sealing ring matched with the right sealing step is arranged on the right sealing step; a spherical opening and closing piece is arranged between the left sealing ring and the right sealing ring; the center of the spherical opening and closing piece is provided with an opening hole which axially penetrates through the spherical opening and closing piece. The large-size double-valve-rod ball valve can easily rotate the spherical opening and closing piece when the ball valve is a large-size ball valve, and the opening and closing efficiency of the ball valve is ensured.
Description
Technical Field
The utility model relates to a ball valve, in particular to a large-specification double-valve-rod ball valve.
Background
The ball valve is a valve for controlling the water flow by utilizing the ball-type opening and closing piece, the upper end of the ball-type opening and closing piece is provided with a valve rod, the upper end of the valve rod upwards penetrates out of the valve body and is provided with a handle, and because the traditional ball valve is a small-size ball valve, the valve body and the ball-type opening and closing piece only have smaller volumes, so that the ball-type opening and closing piece can be easily rotated by a single handle without much effort, in the actual use process of the ball valve, the ball valve with large specification can be adopted according to different application environments, the volumes of the valve body and the ball-type opening and closing piece are larger at the moment, the resistance born by the ball-type opening and closing piece during rotation is increased, so that larger effort is needed when the ball-type opening and closing piece is rotated, the ball-type opening and closing piece is difficult to rotate by the single valve rod and the single handle, and the opening and closing efficiency of the ball-type opening and closing piece is seriously influenced.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a large-specification double-valve-rod ball valve, which can easily rotate a spherical opening and closing piece when the ball valve is a large-specification ball valve, so as to ensure the opening and closing efficiency of the ball valve.
The technical scheme adopted for solving the technical problems is as follows:
the utility model discloses a large-size double-valve-rod ball valve, which comprises a left valve body and a water inlet joint arranged at the left end of the left valve body, wherein a right valve body coaxial with the left valve body is arranged on the right side of the left valve body; the right end face of the left valve body is provided with an annular screw joint, and the left end of the left valve body is in screw joint with the outside of the screw joint; the right end of the right valve body is provided with a water outlet joint; the inner wall of the port at the right end of the left valve body is provided with a left annular sealing step; the inner wall of the right valve body is provided with a right annular sealing step, and the right sealing step is opposite to the left sealing step; a left sealing ring matched with the left sealing step is arranged on the left sealing step; a right sealing ring matched with the right sealing step is arranged on the right sealing step; a spherical opening and closing piece is arranged between the left sealing ring and the right sealing ring; the center of the spherical opening and closing piece is provided with an opening and closing hole which axially penetrates through the spherical opening and closing piece; the inner holes of the left sealing ring and the right sealing ring are communicated through a starting hole; the upper surface and the lower surface of the right valve body are provided with valve rod seats corresponding to the positions of the spherical opening and closing parts; the center of the outer end of the valve rod seat is provided with a valve rod hole communicated with the inner space of the right valve body; the upper end and the lower end of the spherical opening and closing piece are provided with valve rods matched with the valve rod holes; the outer end of the valve rod penetrates out of the valve rod hole; the right valve body is provided with a U-shaped piece outside, and two ends of the U-shaped piece are respectively connected to the outer ends of the valve rods at the upper side and the lower side; a handle is arranged in the middle of the U-shaped piece.
The upper end and the lower end of the spherical opening and closing piece are provided with symmetrical linear grooves; a linear plate matched with the linear groove is arranged in the center of the inner end face of the valve rod; the center of the end face of the outer end of the valve rod is provided with a clamping part exposed out of the valve rod seat; the clamping part is in a regular polygon shape; two ends of the U-shaped piece are provided with clamping holes matched with the clamping parts; a screw joint is arranged in the center of the end face of the outer end of the clamping part; the screw joint is externally connected with a limit nut matched with the screw joint in a screw manner; the end parts of the two ends of the U-shaped piece are positioned between the screw joint and the valve rod seat.
A square hole is formed in the center of the end face of the outer end of the valve rod; a square column matched with the square hole is arranged in the center of the side wall of the clamping part opposite to the end face of the outer end of the valve rod; the square column width is smaller than the clamping part width.
The outer wall of the right end of the left valve body is provided with a positioning plate, and the left end face of the right valve body is attached to the right side wall of the positioning plate.
The inner wall of the hole at the right end of the inner hole of the left sealing ring is provided with a left sealing surface which is attached to the outer wall of the left end of the spherical opening and closing piece; the inner wall of the hole at the left end of the inner hole of the right sealing ring is provided with a right sealing surface which is attached to the outer wall of the right end of the spherical opening and closing piece.
The end part of the handle is sleeved with a sheath.
The beneficial effects of the utility model are as follows:
compared with the prior art, the large-size double-valve-rod ball valve adopting the structure can apply rotating external force to the valve rods on the upper side and the lower side simultaneously only by rotating the handle, so that the upper end and the lower end of the spherical opening and closing piece are rotated simultaneously.
Drawings
FIG. 1 is a schematic diagram of the structure of a large-scale double-valve-stem ball valve of the present utility model;
fig. 2 is an enlarged view of a portion a in fig. 1.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and detailed description:
referring to fig. 1 and 2, the utility model provides a large-sized double-valve-rod ball valve, which comprises a left valve body 1 and a water inlet joint 2 arranged at the left end of the left valve body 1, wherein a right valve body 3 coaxial with the left valve body 1 is arranged on the right side of the left valve body; the right end face of the left valve body 1 is provided with an annular screw joint 4, and the left end of the left valve body 1 is screwed outside the screw joint 4; the right end of the right valve body 3 is provided with a water outlet joint 5; the inner wall of the right end port of the left valve body 1 is provided with a left annular sealing step 6; the inner wall of the right valve body 3 is provided with a right sealing step 7 in a ring shape, and the right sealing step 7 is opposite to the left sealing step 6; the left sealing step 6 is provided with a left sealing ring 8 matched with the left sealing step; the right sealing step 7 is provided with a right sealing ring 9 matched with the right sealing step; a spherical opening and closing piece 10 is arranged between the left sealing ring 8 and the right sealing ring 9; the center of the spherical opening and closing member 10 is provided with an opening and closing hole 11 which axially penetrates through the spherical opening and closing member; the inner holes of the left sealing ring 8 and the right sealing ring 9 are communicated through a starting hole 11; the upper surface and the lower surface of the right valve body 3 are provided with valve rod seats 12 corresponding to the positions of the spherical opening and closing parts 10; the center of the outer end of the valve rod seat 12 is provided with a valve rod hole 13 communicated with the inner space of the right valve body 3; the upper end and the lower end of the spherical opening and closing piece 10 are provided with valve rods 14 matched with the valve rod holes 13; the outer end of the valve rod 14 passes through the valve rod hole 13 outwards; a U-shaped piece 15 is arranged outside the right valve body 3, and two ends of the U-shaped piece 15 are respectively connected to the outer ends of the valve rods 14 on the upper side and the lower side; a handle 16 is arranged in the middle of the U-shaped piece 15.
The upper end and the lower end of the spherical opening and closing piece 10 are provided with symmetrical linear grooves 17; a linear plate 18 matched with the linear groove 17 is arranged in the center of the inner end face of the valve rod 14; the center of the end face of the outer end of the valve rod 14 is provided with a clamping part 19 exposed out of the valve rod seat 12; the clamping part 19 is in a regular polygon shape; two ends of the U-shaped piece 15 are provided with clamping holes 20 matched with the clamping parts 19; the center of the end face of the outer end of the clamping part 19 is provided with a screw joint 4; the outside of the screw joint 4 is in screw joint with a limit nut 21 matched with the screw joint; the ends of the two ends of the U-shaped piece 15 are positioned between the screw joint 4 and the valve rod seat 12.
A square hole 26 is formed in the center of the end face of the outer end of the valve rod 14; a square column 27 matched with the square hole 26 is arranged in the center of the side wall of the clamping part 19 opposite to the end face of the outer end of the valve rod 14; the square column 27 has a width smaller than the width of the Yu Kawei part 19.
The outer wall of the right end of the left valve body 1 is provided with a positioning plate 22, and the left end face of the right valve body 3 is attached to the right side wall of the positioning plate 22.
The inner wall of the hole at the right end of the inner hole of the left sealing ring 8 is provided with a left sealing surface 23 which is attached to the outer wall of the left end of the spherical opening and closing piece 10; the inner wall of the hole at the left end of the inner hole of the right sealing ring 9 is provided with a right sealing surface 24 which is attached to the outer wall of the right end of the spherical opening and closing piece 10.
The end of the handle 16 is covered with a sheath 25.
The application method of the utility model is as follows:
when the spherical opening and closing member 10 is required to rotate, the U-shaped member 15 can be directly rotated through the handle 16, as the two ends of the U-shaped member 15 are connected with the valve rods 14 at the upper side and the lower side, the clamping parts 19 are clamped with the clamping holes 20 at the two ends of the U-shaped member 15, when the U-shaped member 15 rotates, the valve rods 14 at the upper side and the lower side synchronously rotate, the linear plate 18 at the center of the end face of the inner end of the valve rod 14 is embedded in the linear groove 17, and when the valve rod 14 rotates, the valve rod 14 drives the spherical opening and closing member 10 to rotate through the linear plate 18, so that synchronous rotation of the opening and closing holes 11 is realized, and when the openings at the two ends of the opening and closing holes 11 are respectively opposite to the water inlet connector 2 and the water outlet connector 5, the ball valve is in an opening state, and when the openings at the two ends of the opening and closing holes 11 are respectively oriented forwards and backwards, the ball valve is in a closing state.
As can be seen from the above, according to the present utility model, only the handle 16 is rotated, so that the rotating external force can be applied to the valve rods 14 at the upper and lower sides simultaneously, and thus the upper and lower ends of the ball-shaped opening and closing member 10 are rotated simultaneously, compared with the single valve rod rotating ball-shaped opening and closing member, the double valve rods 14 rotate the ball-shaped opening and closing member 10, so that the rotation process becomes more labor-saving and easier, the opening and closing efficiency is effectively ensured, and the handle 16 is distributed in the middle of the U-shaped member 15, so that the user can apply the force to the handle 16 more easily by both hands, and the ease and the opening and closing efficiency of the ball-shaped opening and closing member 10 during rotation are further improved.
The center of the end face of the outer end of the valve rod 14 is provided with a clamping part 19 exposed out of the valve rod seat 12, the clamping part 19 is in a regular polygon shape, two ends of the U-shaped piece 15 are provided with clamping holes 20 matched with the clamping part 19, the center of the end face of the outer end of the clamping part 19 is provided with a screw joint 4, the screw joint 4 is externally connected with a limit nut 21 matched with the screw joint 4 in a screw manner, the end parts of the two ends of the U-shaped piece 15 are positioned between the screw joint 4 and the valve rod seat 12, the center of the end face of the outer end of the valve rod 14 is provided with a square hole 26, and the center of the side wall of the clamping part 19 opposite to the end face of the outer end of the valve rod 14 is provided with a square column 27 matched with the square hole 26; the square column 27 is smaller in width than the Yu Kawei part 19, the fixing mode not only can ensure the stability of the U-shaped piece 15 when the two ends of the U-shaped piece 15 are connected with the valve rod 14, but also is beneficial to the disassembly and assembly between the two ends of the U-shaped piece 15 and the valve rod 14, when the two ends of the U-shaped piece 15 are needed, the limit nut 21 is only required to be screwed out of the screw joint 4, then the screw joint 4 is only required to be held to draw the square column 27 out of the square hole 26, and the U-shaped piece 15 and the valve rod 14 can be separated along with the square column 27 to the outside through the clamping holes 20 at the two ends of the U-shaped piece 15, so that the whole disassembly process is extremely simple, and the disassembly work can be rapidly completed.
The outer wall of the right end of the left valve body 1 is provided with a positioning plate 22, the left end face of the right valve body 3 is attached to the right side wall of the positioning plate 22, and the positioning plate 22 can effectively ensure that the left valve body 1 and the right valve body 3 can be connected in place when in threaded connection, so that the tightness of the left end and the right end of the spherical opening and closing piece 10 is ensured.
The inner wall of the hole at the right end of the inner hole of the left sealing ring 8 is provided with a left sealing surface 23 which is attached to the outer wall of the left end of the spherical opening and closing member 10, the inner wall of the hole at the left end of the inner hole of the right sealing ring 9 is provided with a right sealing surface 24 which is attached to the outer wall of the right end of the spherical opening and closing member 10, the existence of the left sealing surface 23 and the right sealing surface 24 can effectively ensure the tightness of the left end and the right end of the spherical opening and closing member 10, when the spherical opening and closing member 10 rotates, the left sealing surface 23 and the right sealing surface 24 are always attached to the spherical outer wall of the spherical opening and closing member 10, and even if the openings at the two ends of the opening and closing hole 11 on the spherical opening and closing member 10 face forwards and backwards, the tightness of the left end and the right end of the spherical opening and closing member 10 can be ensured, and the condition of water leakage is avoided.
The end of the handle 16 is sleeved with a sheath 25, which makes the end of the handle 16 more flexible and facilitates the application of force to the handle 16 by a user.
Claims (6)
1. The utility model provides a big specification double valve rod ball valve, includes left valve body, locates the water joint of left valve body left end, its characterized in that: a right valve body coaxial with the left valve body is arranged on the right side of the left valve body; the right end face of the left valve body is provided with an annular screw joint, and the left end of the left valve body is in screw joint with the outside of the screw joint; the right end of the right valve body is provided with a water outlet joint; the inner wall of the port at the right end of the left valve body is provided with a left annular sealing step; the inner wall of the right valve body is provided with a right annular sealing step, and the right sealing step is opposite to the left sealing step; a left sealing ring matched with the left sealing step is arranged on the left sealing step; a right sealing ring matched with the right sealing step is arranged on the right sealing step; a spherical opening and closing piece is arranged between the left sealing ring and the right sealing ring; the center of the spherical opening and closing piece is provided with an opening and closing hole which axially penetrates through the spherical opening and closing piece; the inner holes of the left sealing ring and the right sealing ring are communicated through a starting hole; the upper surface and the lower surface of the right valve body are provided with valve rod seats corresponding to the positions of the spherical opening and closing parts; the center of the outer end of the valve rod seat is provided with a valve rod hole communicated with the inner space of the right valve body; the upper end and the lower end of the spherical opening and closing piece are provided with valve rods matched with the valve rod holes; the outer end of the valve rod penetrates out of the valve rod hole; the right valve body is provided with a U-shaped piece outside, and two ends of the U-shaped piece are respectively connected to the outer ends of the valve rods at the upper side and the lower side; a handle is arranged in the middle of the U-shaped piece.
2. The large scale double stem ball valve of claim 1 wherein: the upper end and the lower end of the spherical opening and closing piece are provided with symmetrical linear grooves; a linear plate matched with the linear groove is arranged in the center of the inner end face of the valve rod; the center of the end face of the outer end of the valve rod is provided with a clamping part exposed out of the valve rod seat; the clamping part is in a regular polygon shape; two ends of the U-shaped piece are provided with clamping holes matched with the clamping parts; a screw joint is arranged in the center of the end face of the outer end of the clamping part; the screw joint is externally connected with a limit nut matched with the screw joint in a screw manner; the end parts of the two ends of the U-shaped piece are positioned between the screw joint and the valve rod seat.
3. The large scale double stem ball valve of claim 2 wherein: a square hole is formed in the center of the end face of the outer end of the valve rod; a square column matched with the square hole is arranged in the center of the side wall of the clamping part opposite to the end face of the outer end of the valve rod; the square column width is smaller than the clamping part width.
4. The large scale double stem ball valve of claim 1 wherein: the outer wall of the right end of the left valve body is provided with a positioning plate, and the left end face of the right valve body is attached to the right side wall of the positioning plate.
5. The large scale double stem ball valve of claim 1 wherein: the inner wall of the hole at the right end of the inner hole of the left sealing ring is provided with a left sealing surface which is attached to the outer wall of the left end of the spherical opening and closing piece; the inner wall of the hole at the left end of the inner hole of the right sealing ring is provided with a right sealing surface which is attached to the outer wall of the right end of the spherical opening and closing piece.
6. The large scale double stem ball valve of claim 1 wherein: the end part of the handle is sleeved with a sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321601220.0U CN220204727U (en) | 2023-06-21 | 2023-06-21 | Large-specification double-valve-rod ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321601220.0U CN220204727U (en) | 2023-06-21 | 2023-06-21 | Large-specification double-valve-rod ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220204727U true CN220204727U (en) | 2023-12-19 |
Family
ID=89151764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321601220.0U Active CN220204727U (en) | 2023-06-21 | 2023-06-21 | Large-specification double-valve-rod ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220204727U (en) |
-
2023
- 2023-06-21 CN CN202321601220.0U patent/CN220204727U/en active Active
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