CN220980430U - Three-piece type screw thread ball valve - Google Patents
Three-piece type screw thread ball valve Download PDFInfo
- Publication number
- CN220980430U CN220980430U CN202322637128.6U CN202322637128U CN220980430U CN 220980430 U CN220980430 U CN 220980430U CN 202322637128 U CN202322637128 U CN 202322637128U CN 220980430 U CN220980430 U CN 220980430U
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- Prior art keywords
- turnover part
- connecting flange
- slot
- boss
- ball valve
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- 230000007306 turnover Effects 0.000 claims abstract description 62
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 6
- 210000004907 gland Anatomy 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Valve Housings (AREA)
Abstract
The utility model relates to the technical field of valves, and discloses a three-piece type threaded ball valve which comprises a main valve; the two connecting flanges are respectively arranged at two ends of the main valve and are locked with the main valve through screws, the wall surfaces of the connecting flanges are provided with a pre-tightening assembly, the pre-tightening assembly comprises a turnover part and a sinking groove, the end surfaces of the connecting flanges form a hexagonal boss, each side wall of the boss is provided with the same turnover part and the same sinking groove, the turnover part can turn around the boss and form a handle to push the connecting flanges to be pre-tightened with a pipeline, the turnover part is turned to an inclined state with the connecting flanges, the turnover part is held by a hand to push the turnover part to drive the connecting flanges to rotate and be fastened with the threads of the pipeline, the length of a moment arm can be extended by the aid of the turnover part, a spanner is not needed in the pre-tightening process, inconvenience caused by overlarge working radius when the connecting flanges are fastened by the aid of the spanner is reduced, the moment arm of the connecting flanges is not held by the hand in the same time, the pre-tightening step is simplified, and the installation is convenient.
Description
Technical Field
The utility model belongs to the technical field of valves, and particularly relates to a three-piece type threaded ball valve.
Background
The prior art discloses a three-piece type screw thread ball valve (CN 201920756622.5, which comprises a main valve body, a left joint and a right joint which are detachably fixed at left and right valve ports of the main valve body, wherein sealing devices are respectively arranged between the main valve body and the left joint and between the main valve body and the right joint, the sealing devices comprise a gland which is arranged on the valve port of the main valve body, and a first sealing ring which is used for being in sealing fit with a spherical valve is arranged on the inner side of the gland;
In the prior art, two internal thread flanges are arranged at two ends of a main valve, the flanges and a pipeline are firstly installed, then the two flanges and the main valve are locked by bolts to realize installation, and in the fastening process of the flanges and the pipeline, the distance between a large end of the flanges is a virtual position, namely the flanges are pre-tightened, the flanges are directly held by hands in the pre-tightening process, the flanges are difficult to rotate due to insufficient length of a force arm and limited strength of the hands, a spanner is used, the length of the force arm of the spanner is too large, the rotating radius is large, and certain inconvenience is caused in the pre-tightening process.
The present utility model has been made in view of this.
Disclosure of utility model
In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:
A three-piece threaded ball valve comprises a main valve; the two connecting flanges are respectively arranged at two ends of the main valve and are locked with the main valve through screws, a pretension component is arranged on the wall surface of the connecting flange and comprises a turnover part and a sinking groove, a hexagonal boss is formed on the end surface of the connecting flange, the same turnover part and the same sinking groove are arranged on each side wall of the boss, and the turnover part can turn around the boss and form a handle for pushing the connecting flange to pretension the pipeline.
As a preferred embodiment of the present utility model, the pretensioning assembly further includes a receiving groove for receiving the overturning portion, the receiving groove is formed on a boss side wall of the connecting flange, the overturning portion is located in the receiving groove and is rotatably connected with the connecting flange, and the overturning portion can be overturned into the receiving groove and is kept flush with the boss.
As a preferred embodiment of the present utility model, the turnover part forms a rectangular block structure, and the receiving groove and the turnover part are matched with each other.
As a preferred embodiment of the utility model, the end part of the turnover part is provided with a slot, and an extension rod is connected in a sliding way in the slot and can slide out of the slot to extend the length of a force arm of the turnover part to push the connecting flange.
As a preferred embodiment of the utility model, the turnover part forms a tubular structure through the slot, the extension rod is matched with the slot, the length of the slot is smaller than that of the turnover part, the insertion rod is equal to that of the slot, and the end part of the insertion rod is provided with a dent for buckling in a finger.
As a preferred implementation mode of the utility model, the pre-tightening assembly further comprises a permanent magnet fixedly connected with the connecting flange, the wall surface of the turnover part is provided with another permanent magnet, and the two permanent magnets can mutually adsorb to limit the turnover part in the containing groove.
As a preferred embodiment of the utility model, the wall surfaces of the turnover part and the connecting flange are respectively provided with an embedded hole, the permanent magnets are embedded into the embedded holes, and opposite poles of the two permanent magnets are oppositely arranged.
Compared with the prior art, the utility model has the following beneficial effects:
1. Through setting up the upset portion, when fastening flange and pipeline screw thread, through overturning the upset portion to with flange incline state, hold the upset portion and promote the upset portion and drive flange rotatory and pipeline screw thread fastening, when pretension flange and pipeline, can extend arm of force length with the help of the upset portion, the pretension in-process need not with the help of the spanner, reduce the inconvenience that the working radius is too big when utilizing spanner fastening flange at the pretension stage, work radius is too big when holding flange arm of force and is not enough to cause pretension difficulty in the substitution hand, simplify pretension step, be convenient for install, simultaneously, also can insert the screwdriver and promote flange rotatory pretension in the sink.
2. Through setting up and accomodating the groove, when fastening flange, push the upset portion into accomodate the inslot, upset portion keeps flushing with flange boss wall, and the spanner centre gripping boss of being convenient for fastens flange, reduces the interference of upset portion to spanner centre gripping.
3. Through setting up the extension pole, after turning over the portion from accomodating the inslot and turning over, take out the extension pole from the slot in, further extend the arm of force length of portion of turning over, be convenient for pretension flange more, reach laborsaving purpose.
4. Through setting up the permanent magnet, after the upset of upset portion gets into the storage tank, through mutual absorption between two permanent magnets realize the fixed to the upset portion, when not using the upset portion, the upset portion can be stabilized and is in the storage tank, prevents the drop of upset portion, and then the centre gripping of spanner of being convenient for.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a perspective view of the present utility model;
FIG. 3 is a perspective view of a connecting flange according to the present utility model;
fig. 4 is a schematic diagram of the turning part after turning.
In the figure: 10. a main valve; 11. a connecting flange; 20. a turnover part; 21. a sinking groove; 22. a storage groove; 23. permanent magnets.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.
A three-piece threaded ball valve, as shown in fig. 1 and 2, includes a main valve 10; the two connecting flanges 11 are respectively arranged at two ends of the main valve 10, the two connecting flanges 11 are locked with the main valve 10 through screws, ear plates are formed on the outer wall surfaces of the main valve 10 and the connecting flanges 11, mounting holes are formed on the wall surfaces of the ear plates, bolts penetrate through the mounting holes and compress the main valve 10 and the connecting flanges 11 through nuts, and sealing rings are arranged on the joint surfaces of the main valve 10 and the connecting flanges 11 to ensure the sealing effect, which is the prior known technology and is not repeated herein;
As shown in fig. 3 and 4, the wall surface of the connection flange 11 is provided with a pre-tightening component, the pre-tightening component comprises a turnover part 20 and a sinking groove 21, the end surface of the connection flange 11 forms a hexagonal boss, each side wall of the boss is provided with the same turnover part 20 and sinking groove 21, the turnover part 20 can turn around the boss and form a handle for pushing the connection flange 11 to pre-tighten the pipeline, in the scheme, by arranging the turnover part 20, when the connection flange 11 is fastened with the pipeline by screwing the turnover part 20 to an inclined state with the connection flange 11, the turnover part 20 is held by a hand and pushes the turnover part 20 to drive the connection flange 11 to rotate and be fastened with the pipeline by screwing, when the connection flange 11 is pre-tightened with the pipeline, the length of a force arm can be extended by means of the turnover part 20, a spanner is not needed in the pre-tightening process, the inconvenience caused by overlarge working radius when the connection flange 11 is fastened by using the spanner, the pre-tightening step is not caused by the pre-tightening difficulty by the connection flange 11 by the hand, the pre-tightening step is simplified, the installation is facilitated, and simultaneously, and the screw can be pushed to be inserted into the sinking groove 21 to rotate to pre-tighten the connection flange 11 by screwing.
As shown in fig. 4, the pretension assembly further includes a storage groove 22 for storing the turnover part 20, the storage groove 22 is formed in the boss side wall of the connecting flange 11, the turnover part 20 is located in the storage groove 22 and is rotationally connected with the connecting flange 11, the turnover part 20 can be turned into the storage groove 22 and keeps flush with the boss, the turnover part 20 forms a rectangular block structure, the storage groove 22 and the turnover part 20 are mutually matched for use, the storage groove 22 is formed, the turnover part 20 is pushed into the storage groove 22 when the connecting flange 11 is fastened, the turnover part 20 is kept flush with the boss wall surface of the connecting flange 11, the spanner clamping boss is convenient to fasten the connecting flange 11, and interference of the turnover part 20 to spanner clamping is reduced.
As shown in fig. 4, the end of the turnover part 20 is provided with a slot, the slot is slidably connected with an extension rod, the extension rod can slide out of the slot to prolong the arm length of force of the turnover part 20 to push the connecting flange 11, the turnover part 20 forms a tubular structure through the slot, the extension rod is matched with the slot, the length of the slot is smaller than that of the turnover part 20, the insertion rod is equal to the slot, the end of the insertion rod is provided with a recess for buckling fingers, and the extension rod is pulled out from the slot after the turnover part 20 is turned out of the containing slot 22, so that the arm length of force of the turnover part 20 is further extended, the connecting flange 11 is more conveniently pre-tensioned, and the labor-saving purpose is achieved.
As shown in fig. 4, the pretension assembly further includes a permanent magnet 23 fixedly connected with the connection flange 11, the wall surface of the turnover part 20 is provided with another permanent magnet 23, the two permanent magnets 23 can mutually adsorb and limit the turnover part 20 in the storage groove 22, the wall surfaces of the turnover part 20 and the connection flange 11 are provided with embedded holes, the permanent magnets 23 are embedded in the embedded holes, opposite poles of the two permanent magnets 23 are oppositely arranged, after the turnover part 20 is turned over and enters the storage groove 22, the turnover part 20 is fixed through the mutual adsorption between the two permanent magnets 23, and when the turnover part 20 is not used, the turnover part 20 can be stably positioned in the storage groove 22, the turnover part 20 is prevented from falling off, and further the spanner is convenient to clamp.
Working principle: when the connecting flange 11 is fastened with the pipeline threads, the overturning part 20 is overturned out of the containing groove 22, the overturning part 20 is overturned to be in an inclined state with the connecting flange 11, the extension rod is pulled out of the slot, the arm length of the overturning part 20 is further extended, the overturning part 20 is held by a hand, the overturning part 20 is pushed to drive the connecting flange 11 to rotate and fasten with the pipeline threads, when the connecting flange 11 is pre-fastened with the pipeline, the arm length can be extended by the overturning part 20, the pre-fastening of the connecting flange 11 can be easily realized, when the connecting flange is further completely fastened by a spanner, the overturning part 20 is pushed into the containing groove 22, the overturning part 20 is kept flush with the boss wall surface of the connecting flange 11, the connecting flange 11 is conveniently fastened by the spanner clamping boss, the fixing of the overturning part 20 is realized by mutual adsorption between the two permanent magnets 23, and the overturning part 20 can be stably positioned in the containing groove 22.
It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (7)
1. A three-piece threaded ball valve comprising a main valve (10); the two connecting flanges (11) are respectively arranged at two ends of the main valve (10), the two connecting flanges (11) are locked with the main valve (10) through screws, and the two connecting flanges are characterized in that a pre-tightening assembly is arranged on the wall surface of the connecting flange (11), the pre-tightening assembly comprises a turnover part (20) and a sinking groove (21), a hexagonal boss is formed on the end surface of the connecting flange (11), the same turnover part (20) and the same sinking groove (21) are respectively arranged on each side wall of the boss, and the turnover part (20) can turn around the boss and form a handle for pushing the connecting flange (11) to be pre-tightened with a pipeline.
2. The three-piece screw ball valve according to claim 1, wherein the pre-tightening assembly further comprises a receiving groove (22) for receiving the turning part (20), the receiving groove (22) is formed in the boss side wall of the connecting flange (11), the turning part (20) is located in the receiving groove (22) and is rotationally connected with the connecting flange (11), and the turning part (20) can be turned into the receiving groove (22) and kept flush with the boss.
3. The three-piece threaded ball valve according to claim 2, wherein the turnover part (20) forms a rectangular block structure, and the receiving groove (22) is used in cooperation with the turnover part (20).
4. The three-piece threaded ball valve according to claim 2, wherein the end of the turnover part (20) is provided with a slot, an extension rod is slidably connected in the slot, and the extension rod can slide out of the slot to extend the arm length of force of the turnover part (20) to push the connecting flange (11).
5. The three-piece threaded ball valve according to claim 4, wherein the turnover part (20) forms a tubular structure through the slot, the extension rod is matched with the slot, the length of the slot is smaller than that of the turnover part (20), the insertion rod is equal to that of the slot, and the end part of the insertion rod is provided with a recess for buckling fingers.
6. The three-piece threaded ball valve according to claim 1, wherein the pre-tightening assembly further comprises a permanent magnet (23) fixedly connected with the connecting flange (11), the wall surface of the turnover part (20) is provided with another permanent magnet (23), and the two permanent magnets (23) can mutually adsorb to limit the turnover part (20) in the containing groove (22).
7. The three-piece threaded ball valve according to claim 6, wherein the wall surfaces of the turnover part (20) and the connecting flange (11) are provided with embedded holes, the permanent magnets (23) are embedded into the embedded holes, and opposite poles of the two permanent magnets (23) are arranged oppositely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322637128.6U CN220980430U (en) | 2023-09-27 | 2023-09-27 | Three-piece type screw thread ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322637128.6U CN220980430U (en) | 2023-09-27 | 2023-09-27 | Three-piece type screw thread ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220980430U true CN220980430U (en) | 2024-05-17 |
Family
ID=91041969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322637128.6U Active CN220980430U (en) | 2023-09-27 | 2023-09-27 | Three-piece type screw thread ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220980430U (en) |
-
2023
- 2023-09-27 CN CN202322637128.6U patent/CN220980430U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |