CN209909219U - Three-piece type screw port ball valve - Google Patents
Three-piece type screw port ball valve Download PDFInfo
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- CN209909219U CN209909219U CN201920431470.1U CN201920431470U CN209909219U CN 209909219 U CN209909219 U CN 209909219U CN 201920431470 U CN201920431470 U CN 201920431470U CN 209909219 U CN209909219 U CN 209909219U
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Abstract
The utility model discloses a three-piece type screw port ball valve, which comprises a ball valve body, wherein the inner side of the ball valve body is provided with a threaded connector, one end of the threaded connector is provided with a ball body, the outer side of the ball body is provided with a sealing valve seat, the upper side of the ball body is provided with a valve rod, the upper end of the valve rod is provided with a handle, and the inner side of the ball body is provided with an inner hole; spheroidal inboard is provided with the guide bar, a spring, sealing rubber piece and slide opening, one side of sealing rubber piece is provided with sealed arch, be convenient for seal the clearance of spheroid with ball valve body support, avoid the kneck of handle and ball valve body to take place to leak, the inboard of threaded connection mouth one end is provided with sealing block, sealing block is set up jaggedly for wedge structure and one side, be convenient for seal threaded connection department through sealing block, avoid liquid inflow threaded connection department, cause threaded connection department easily to take place the corrosion damage.
Description
Technical Field
The utility model belongs to the technical field of three formula silk mouthful ball valves, concretely relates to three formula silk mouthful ball valves.
Background
The three-piece ball valve and gate valve are both of the same type, except that the closing member is a sphere which rotates around the central line of the valve body to open and close. Ball valves are used in pipelines primarily to shut off, distribute and change the direction of flow of media. The three-piece ball valve is a novel valve widely adopted, and has the advantages of small volume, simple operation and wide application range.
Present three formula silk mouthful ball valves are when using, have certain clearance between spheroid and the ball valve body, only seal through sealed disk seat, the effect is not good, after long-term the use, liquid easily leaks from the junction of handle with the ball valve body, influence the life of device, the ball valve is generally connected through threaded connection mouth with external pipeline in addition, liquid easily gets into threaded connection department and causes the screw thread corrosion damage, influence the dismouting of pipeline, cause the use inconvenient, we propose a three formula silk mouthful ball valve for this reason.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a three formula silk mouthful ball valves, in order to solve and to provide current three formula silk mouthful ball valves when using among the above-mentioned background art, there is certain clearance between spheroid and the ball valve body, only seal through sealed disk seat, the effect is not good, after using for a long time, liquid easily leaks from the junction of handle and ball valve body, influence the life of device, ball valve and outside pipeline generally are connected through threaded connection mouth in addition, liquid easily gets into threaded connection department and causes the screw thread corrosion to damage, influence the dismouting of pipeline, cause awkward problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a three formula silk mouthful ball valves, includes the ball valve body, the inboard of ball valve body is provided with the threaded connection mouth, the one end of threaded connection mouth is provided with the spheroid, the spheroidal outside is provided with sealed disk seat, spheroidal upside is provided with the valve rod, the upper end of valve rod is provided with the handle, spheroidal inboard is provided with the hole, the inboard of hole is provided with the sealing rubber piece, the one end of sealing rubber piece is provided with sealed arch, the other end of sealing rubber piece is provided with the spring, the inboard of spring is provided with the guide bar, the one end and the spheroid welded fastening of guide bar, the inboard of ball valve body is close to the threaded connection mouth and is provided with the cavity.
Preferably, the inner diameter of the middle part of the sealing rubber block is smaller than the inner diameters of the two ends, and the sealing bulge and the sealing rubber block are of an integrated structure.
Preferably, the sealing bulges are provided with three positions which are all arranged on one side of the sealing rubber block, and the heights of the three sealing bulges are different.
Preferably, one side of the ball valve body is provided with a groove, the size and the shape of the groove are equal to those of the sealing bulge, and the ball valve body is connected with the sealing rubber block in a matched mode through the sealing bulge and the groove.
Preferably, the inner side of the sealing rubber block is provided with a sliding hole, one end of the guide rod is provided with a sliding block, and the sealing rubber block and the guide rod slide through the sliding hole and the sliding block.
Preferably, the inner side of one end of the threaded connection port is provided with a sealing block, the sealing block is fixedly adhered to the ball valve body through glue, and the sealing block is approximately wedge-shaped.
Preferably, one side of the sealing block is provided with a notch, the notch is a quarter of a circle, and the volume of the inner side of the notch is not more than one fifth of the volume of the sealing block.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the spheroidal inboard is provided with guide bar, spring, sealing rubber piece and slide opening, and one side of sealing rubber piece is provided with sealed arch, is convenient for seal the clearance of spheroid with ball valve body support, avoids only being good to clearance department sealed effect through sealed disk seat, leads to rivers to flow to spheroidal upper end, causes the kneck of handle and ball valve body to take place to leak, has improved the leakproofness that the device is connected, has increased the practicality of device.
(2) The inboard of threaded connection mouth one end is provided with sealed piece, sealed piece has seted up the breach for wedge structure and one side, when being convenient for the ball valve body carries out threaded connection through threaded connection mouth and outside threaded pipeline, seal threaded connection department through sealed piece, avoid liquid to flow in threaded connection department, cause threaded connection department easy emergence corrosion damage, the inboard of ball valve body is provided with the cavity, be convenient for provide the headspace when taking place expend with heat and contract with cold, avoid threaded connection mouth department to cause the junction to take place to become flexible because of expend with heat and contract with cold.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the present invention at a position a in fig. 1;
fig. 3 is a schematic view of the present invention at a portion B of fig. 1;
in the figure: 1. a handle; 2. a valve stem; 3. sealing the rubber block; 4. sealing the valve seat; 5. a threaded connector; 6. a sphere; 7. a sealing block; 8. a cavity; 9. a ball valve body; 10. sealing the protrusion; 11. a groove; 12. a guide bar; 13. a spring; 14. a slide hole; 15. and (4) a notch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a three-piece screw-threaded ball valve comprises a ball valve body 9, wherein a threaded connector 5 is arranged on the inner side of the ball valve body 9, a ball body 6 is arranged at one end of the threaded connector 5, a sealing valve seat 4 is arranged on the outer side of the ball body 6, a valve rod 2 is arranged on the upper side of the ball body 6, a handle 1 is arranged at the upper end of the valve rod 2, an inner hole is formed in the inner side of the ball body 6, a sealing rubber block 3 is arranged on the inner side of the inner hole, so that a gap between the ball body 6 and the ball valve body 9 can be conveniently sealed, a sealing bulge 10 is arranged at one end of the sealing rubber block 3, so that the sealing connection effect can be conveniently improved, a spring 13 is arranged at the other end of the sealing rubber block 3, so that a better attaching effect between the sealing rubber block 3 and the ball valve body 9 can be conveniently pushed, a, the space is reserved for expansion with heat and contraction with cold conveniently, and the influence on the threaded connection is reduced.
In this embodiment, preferably, the inner diameter in the middle of the sealing rubber block 3 is smaller than the inner diameters of the two ends, so that the outer side of the sealing rubber block 3 is attached to the ball body 6, the corrosion of the inner side of the liquid entering the inner hole on the spring 13 is reduced, and the sealing protrusion 10 and the sealing rubber block 3 are of an integrated structure.
In this embodiment, preferably, the sealing protrusion 10 is provided with three positions, the three sealing protrusions 10 are all arranged on one side of the sealing rubber block 3, and the three sealing protrusions 10 have different heights, so as to facilitate a better sealing effect.
In this embodiment, preferably, a groove 11 is formed in one side of the ball valve body 9, the size and the shape of the groove 11 are equal to those of the sealing protrusion 10, and the ball valve body 9 and the sealing rubber block 3 are connected in a matched manner through the sealing protrusion 10 and the groove 11, so that a gap between the ball valve body 9 and the ball body 6 can be better sealed.
In this embodiment, preferably, the inner side of the sealing rubber block 3 is provided with a sliding hole 14, one end of the guide rod 12 is provided with a sliding block, and the sealing rubber block 3 and the guide rod 12 slide through the sliding hole 14 and the sliding block, so that the sealing rubber block 3 can move in one direction, and the sealing protrusion 10 is better matched and connected with the groove 11.
In this embodiment, preferably, the inboard of threaded connection mouth 5 one end is provided with sealed piece 7, and sealed piece 7 glues through glue with ball valve body 9 and glues to be fixed, and sealed piece 7 is approximate for the wedge, is convenient for seal threaded connection department through the laminating of sealed piece 7 with the outside screwed pipe.
In this embodiment, preferably, the gap 15 is opened on one side of the sealing block 7, so as to improve the deformation of the sealing block 7 and further facilitate better sealing effect, the gap 15 is a quarter of a circle, the volume of the inner side of the gap 15 is not more than a fifth of the volume of the sealing block 7, and the gap 15 is prevented from being too large and affecting the use of the sealing block 7.
The utility model discloses a theory of operation and use flow: make ball valve body 9 through threaded connection mouth 5 external pipeline respectively, rotating handle 1, handle 1 motion drives valve rod 2 and rotates, and valve rod 2 drives spheroid 6 and rotates, and 6 inboards of spheroid are provided with the intercommunication mouth, make spheroid 6 rotate 90 degrees so that make the both ends of intercommunication mouth relative with two threaded connection mouths 5, are convenient for make the inboard liquid of pipeline reach the opposite side of spheroid 6 through the intercommunication mouth, and when closing, the contrary preface operation can.
When the ball body 6 rotates, one side of the sealing rubber block 3 is conveniently and tightly jointed with the ball valve body 9 through the elastic force of the spring 13, meanwhile, the sealing bulges 10 with different lengths are matched and connected with the grooves 11, so that the gap between the ball body 6 and the ball valve body 9 is conveniently sealed, the liquid is reduced from flowing upwards in the gap, the inner diameter of the middle part of the sealing rubber block 3 is smaller than the inner diameters of the two ends, the sealing rubber block 3 is conveniently attached to the ball body 6, the liquid is reduced from flowing to one side of the spring 13, the corrosion of the liquid to the spring 13 is conveniently reduced, when the threaded pipeline is externally connected through the threaded connector 5, the wedge-shaped sealing block 7 is in interference fit with the external threaded pipeline, so that the threaded connection part is conveniently sealed, liquid flowing into the threaded connection part is reduced, meanwhile, the deformation of the sealing block 7 is convenient to improve by arranging the notch 15, and the fitting effect of the sealing block 7 and an external threaded pipeline is convenient to improve.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a three formula silk mouthful ball valves, includes ball valve body (9), the inboard of ball valve body (9) is provided with threaded connection mouth (5), the one end of threaded connection mouth (5) is provided with spheroid (6), the outside of spheroid (6) is provided with sealed disk seat (4), the upside of spheroid (6) is provided with valve rod (2), the upper end of valve rod (2) is provided with handle (1), its characterized in that: the inboard of spheroid (6) is provided with the hole, the inboard of hole is provided with sealing rubber block (3), the one end of sealing rubber block (3) is provided with sealed arch (10), the other end of sealing rubber block (3) is provided with spring (13), the inboard of spring (13) is provided with guide bar (12), the one end and spheroid (6) welded fastening of guide bar (12), the inboard of ball valve body (9) is close to threaded connection mouth (5) and is provided with cavity (8).
2. A three-piece silk port ball valve according to claim 1, wherein: the inner diameter of the middle part of the sealing rubber block (3) is smaller than the inner diameters of the two ends, and the sealing bulge (10) and the sealing rubber block (3) are of an integrated structure.
3. A three-piece silk port ball valve according to claim 1, wherein: the sealing bulges (10) are provided with three positions, the sealing bulges (10) at the three positions are all arranged on one side of the sealing rubber block (3), and the heights of the three sealing bulges (10) are different.
4. A three-piece silk port ball valve according to claim 3, wherein: one side of the ball valve body (9) is provided with a groove (11), the size and the shape of the groove (11) are equal to those of the sealing bulge (10), and the ball valve body (9) is connected with the sealing rubber block (3) in a matched mode through the sealing bulge (10) and the groove (11).
5. A three-piece silk port ball valve according to claim 1, wherein: the inner side of the sealing rubber block (3) is provided with a sliding hole (14), one end of the guide rod (12) is provided with a sliding block, and the sealing rubber block (3) and the guide rod (12) slide through the sliding hole (14) and the sliding block.
6. A three-piece silk port ball valve according to claim 1, wherein: the inner side of one end of the threaded connecting port (5) is provided with a sealing block (7), the sealing block (7) is fixedly adhered to the ball valve body (9) through glue, and the sealing block (7) is approximately wedge-shaped.
7. A three-piece silk port ball valve according to claim 6, characterized in that: a gap (15) is formed in one side of the sealing block (7), the gap (15) is a circular quarter, and the volume of the inner side of the gap (15) is not more than one fifth of the volume of the sealing block (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920431470.1U CN209909219U (en) | 2019-04-01 | 2019-04-01 | Three-piece type screw port ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920431470.1U CN209909219U (en) | 2019-04-01 | 2019-04-01 | Three-piece type screw port ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209909219U true CN209909219U (en) | 2020-01-07 |
Family
ID=69034633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920431470.1U Active CN209909219U (en) | 2019-04-01 | 2019-04-01 | Three-piece type screw port ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209909219U (en) |
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2019
- 2019-04-01 CN CN201920431470.1U patent/CN209909219U/en active Active
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