CN212056082U - Novel ball valve gland structure - Google Patents
Novel ball valve gland structure Download PDFInfo
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- CN212056082U CN212056082U CN202020526711.3U CN202020526711U CN212056082U CN 212056082 U CN212056082 U CN 212056082U CN 202020526711 U CN202020526711 U CN 202020526711U CN 212056082 U CN212056082 U CN 212056082U
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Abstract
The utility model provides a novel ball valve gland structure that packs. The novel ball valve packing gland structure comprises a valve body; the sliding hole is formed in the valve body; the valve rod is slidably arranged in the sliding hole, and the top end of the valve rod extends out of the sliding hole; the caulking groove is formed in the top end of the valve rod; the inner locking block is fixedly arranged on the inner wall of the bottom of the caulking groove; the first thread groove is formed in the top of the inner locking block; the embedded groove is arranged on the inner lock block, the embedded groove is arranged on the inner lock block in a sliding mode, and the top of the embedded groove extends out of the valve rod; a fixture fixedly mounted on top of the nest. The utility model provides a novel ball valve gland structure has can effectively prevent that the handle from rotating the advantage of skidding, and good to the filler compaction equilibrium.
Description
Technical Field
The utility model relates to a ball valve technical field especially relates to a novel ball valve gland structure that packs.
Background
The ball valve, the opening and closing piece (ball) is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also 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 the build-up welding 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 multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels. The valve of this type should be generally installed horizontally in the pipeline. The ball valve is divided into: the main sealing element in the pneumatic ball valve, the electric ball valve and the manual ball valve is called packing, and the packing is an elastic sealing element and needs to be fastened periodically in order to ensure the sealing performance in long-term use.
However, the traditional ball valve is fastened by a single bolt on the compression of the filler, so that the fastening balance is poor, meanwhile, a handle connecting piece of the ball valve is fixed by the bolt and a pressing plate, and the situation that the handle slips easily when rotating due to rusting of the ball valve in long-time use brings great troubles to people.
Therefore, there is a need to provide a new and new ball valve packing gland structure to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a can prevent effectively that the handle from rotating the skid, and compress tightly the novel ball valve gland structure that the equilibrium is good to the filler.
In order to solve the technical problem, the utility model provides a novel ball valve gland structure includes: a valve body; the sliding hole is formed in the valve body; the valve rod is slidably arranged in the sliding hole, and the top end of the valve rod extends out of the sliding hole; the caulking groove is formed in the top end of the valve rod; the inner locking block is fixedly arranged on the inner wall of the bottom of the caulking groove; the first thread groove is formed in the top of the inner locking block; the embedded groove is arranged on the inner lock block, the embedded groove is arranged on the inner lock block in a sliding mode, and the top of the embedded groove extends out of the valve rod; a fixture fixedly mounted on top of the nest; the bolt is slidably mounted on the fixing piece, and the bottom end of the bolt extends into the first thread groove and is in threaded connection with the inner wall of the first thread groove; the groove is formed in the inner wall of the sliding hole; the packing is arranged at the bottom of the groove, and an inner ring of the packing is in contact with the valve rod; the compression ring is sleeved on the valve rod in a sliding mode, the bottom of the compression ring is in contact with the top of the filler, and the compression ring is in sliding connection with the inner wall of the groove; the gland is sleeved on the valve rod in a sliding mode, and the bottom end of the gland extends into the groove and is fixedly connected with the compression ring; the two second thread grooves are formed in the top of the valve body and are respectively positioned on two sides of the groove; and the two locking devices are arranged on the press cover.
Preferably, locking device includes cavity, pivot, screw rod and fixed block, the cavity is seted up on the valve cap, the pivot is rotated and is installed in the cavity, screw rod fixed mounting be in the bottom of pivot, the bottom of screw rod extends to in the second thread groove and with the inner wall threaded connection of second thread groove, fixed block fixed mounting be in the top of pivot, the top of fixed block extends to outside the gland.
Preferably, the top fixed mounting of fixed block has wrong piece, fixed mounting has the bearing in the cavity, the inner circle fixed sleeve of bearing is established in the pivot.
Preferably, a first through hole is formed in the inner wall of the top of the cavity, and the fixing block penetrates through the first through hole and is rotatably connected with the inner wall of the first through hole.
Preferably, a second through hole is formed in the inner wall of the bottom of the chamber, and the screw penetrates through the second through hole and is rotatably connected with the inner wall of the second through hole.
Preferably, a third through hole is formed in the fixing piece, the bolt penetrates through the third through hole and is in sliding connection with the third through hole and the inner wall, and a handle is fixedly mounted on one side of the fixing piece.
Preferably, the caulking groove, the inner wall of the nesting and the locking block are hexagonal.
Compared with the prior art, the utility model provides a novel ball valve gland structure has following beneficial effect:
the utility model provides a novel ball valve gland structure that packs, this device have not only solved the valve rod and have appeared rusty the condition of skidding after long-term the use, and two locking device rotate simultaneously and can make gland and clamping ring more balanced to the pressure of packing, have avoided because the uneven condition that filler was pseudo oozed appears in the power.
Drawings
Fig. 1 is a schematic front sectional view of a preferred embodiment of a novel ball valve packing gland structure provided in the present invention;
FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1;
fig. 3 is a schematic view of the top view structure of the valve rod of the present invention.
Reference numbers in the figures: 1. the valve comprises a valve body, 2, a sliding hole, 3, a valve rod, 4, a caulking groove, 5, an inner locking block, 6, a first thread groove, 7, a nesting part, 8, a fixing part, 9, a bolt, 10, a groove, 11, a packing, 12, a pressing ring, 13, a pressing cover, 14, a second thread groove, 15, a cavity, 16, a rotating shaft, 17, a screw rod, 18 and a fixing block.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic sectional view of a preferred embodiment of a novel ball valve packing gland structure according to the present invention; FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1; fig. 3 is a schematic view of the top view structure of the valve rod of the present invention. Novel ball valve gland structure includes: a valve body 1; the sliding hole 2 is formed in the valve body 1; the valve rod 3 is slidably installed in the sliding hole 2, and the top end of the valve rod 3 extends out of the sliding hole 2; the caulking groove 4 is formed in the top end of the valve rod 3; the inner locking block 5 is fixedly arranged on the inner wall of the bottom of the caulking groove 4; the first thread groove 6 is formed in the top of the inner locking block 5; the nesting 7 is sleeved on the inner locking block 5 in a sliding mode, the nesting 7 is connected with the inner wall of the caulking groove 4 in a sliding mode, and the top of the nesting 7 extends out of the valve rod 3; a fixture 8, said fixture 8 being fixedly mounted on top of said nest 7; the bolt 9 is slidably mounted on the fixing piece 8, and the bottom end of the bolt 9 extends into the first thread groove 6 and is in threaded connection with the inner wall of the first thread groove 6; the groove 10 is formed in the inner wall of the sliding hole 2; the packing 11 is arranged at the bottom of the groove 10, and the inner ring of the packing 11 is in contact with the valve rod 3; the pressing ring 12 is sleeved on the valve rod 3 in a sliding mode, the bottom of the pressing ring 12 is in contact with the top of the filler 11, and the pressing ring 12 is in sliding connection with the inner wall of the groove 10; the gland 13 is sleeved on the valve rod 3 in a sliding mode, and the bottom end of the gland 13 extends into the groove 10 and is fixedly connected with the compression ring 12; two second thread grooves 14, wherein the two second thread grooves 14 are both arranged at the top of the valve body 1, and the two second thread grooves 14 are respectively positioned at two sides of the groove 10; two locking devices, two of which are both arranged on the gland 13.
Locking device includes cavity 15, pivot 16, screw rod 17 and fixed block 18, cavity 15 sets up on the valve gap 13, pivot 16 rotates to be installed in the cavity 15, screw rod 17 fixed mounting be in the bottom of pivot 16, the bottom of screw rod 17 extends to in the second thread groove 14 and with the inner wall threaded connection of second thread groove 14, fixed block 18 fixed mounting be in the top of pivot 16, the top of fixed block 18 extends to outside the gland 13.
The top fixed mounting of fixed block 18 has wrong piece, fixed mounting has the bearing in the cavity 15, the inner circle fixed cover of bearing is established on the pivot 16.
A first through hole is formed in the inner wall of the top of the cavity 15, and the fixing block 18 penetrates through the first through hole and is rotatably connected with the inner wall of the first through hole.
A second through hole is formed in the inner wall of the bottom of the cavity 15, and the screw 17 penetrates through the second through hole and is rotatably connected with the inner wall of the second through hole.
A third through hole is formed in the fixing piece 8, the bolt 9 penetrates through the third through hole and is in sliding connection with the third through hole and the inner wall, and a handle is fixedly mounted on one side of the fixing piece 8.
The inner walls of the caulking groove 4 and the nesting 7 and the locking block 5 are hexagonal.
The utility model provides a novel ball valve gland structure's theory of operation as follows:
when the device is used, the inner cavity of the embedded sleeve 7 is aligned with the inner locking block 5 and then embedded into the embedded groove 4, then the bolt 9 is matched with the first thread groove 6 to be locked after passing through the third through hole on the fixing piece 8, the bottom of the fixing piece 8 is contacted with the top of the valve rod 3 during locking, the handle can be prevented from slipping after long-time use by the hexagon of the inner walls of the embedded groove 4 and the embedded sleeve 7 and the inner locking block 5, when the packing 11 needs to be compressed, the two screwing blocks are sleeved with a tool at the same time and screwed simultaneously, the fixing block 18 is driven to rotate when the screwing blocks are screwed, the fixing block 18 drives the rotating shaft 16 to rotate when the rotating shaft 16 rotates, the screw 17 is driven to rotate and screwed to enter the second thread groove 14 when the gland 13 gradually slides into the groove 10, the gland 13 presses the pressure ring 12 at the bottom, the pressure ring 12 extrudes the packing 11, and the connection mode of the cavity 15 and the bearing can be adapted to prevent the screw 17 from moving when, meanwhile, the two locking devices are locked simultaneously, so that the force is more even, and the phenomenon that the filler 11 is subjected to false seepage due to uneven downward pressure is prevented.
Compared with the prior art, the utility model provides a novel ball valve gland structure has following beneficial effect:
the utility model provides a novel ball valve gland structure that packs, this device have not only solved valve rod 3 and have appeared rusty the condition of skidding after long-term the use, and two locking device rotate simultaneously and can make gland 13 and clamping ring 12 more balanced to the pressure of filler 11, have avoided because the uneven condition that filler 11 pseudo-oozes hard appears.
It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of this design principle, the settings of the power mechanism, the power supply system, the control system, etc. of the device are not completely described, and the details of the power mechanism, the power supply system, and the control system can be clearly known on the premise that those skilled in the art understand the principle of the present invention.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a novel ball valve gland structure, its characterized in that includes:
a valve body;
the sliding hole is formed in the valve body;
the valve rod is slidably arranged in the sliding hole, and the top end of the valve rod extends out of the sliding hole;
the caulking groove is formed in the top end of the valve rod;
the inner locking block is fixedly arranged on the inner wall of the bottom of the caulking groove;
the first thread groove is formed in the top of the inner locking block;
the embedded groove is arranged on the inner lock block, the embedded groove is arranged on the inner lock block in a sliding mode, and the top of the embedded groove extends out of the valve rod;
a fixture fixedly mounted on top of the nest;
the bolt is slidably mounted on the fixing piece, and the bottom end of the bolt extends into the first thread groove and is in threaded connection with the inner wall of the first thread groove;
the groove is formed in the inner wall of the sliding hole;
the packing is arranged at the bottom of the groove, and an inner ring of the packing is in contact with the valve rod;
the compression ring is sleeved on the valve rod in a sliding mode, the bottom of the compression ring is in contact with the top of the filler, and the compression ring is in sliding connection with the inner wall of the groove;
the gland is sleeved on the valve rod in a sliding mode, and the bottom end of the gland extends into the groove and is fixedly connected with the compression ring;
the two second thread grooves are formed in the top of the valve body and are respectively positioned on two sides of the groove;
and the two locking devices are arranged on the press cover.
2. The novel ball valve packing gland structure according to claim 1, wherein the locking device comprises a chamber, a rotating shaft, a screw rod and a fixed block, the chamber is arranged on the valve cover, the rotating shaft is rotatably mounted in the chamber, the screw rod is fixedly mounted at the bottom end of the rotating shaft, the bottom end of the screw rod extends into the second thread groove and is in threaded connection with the inner wall of the second thread groove, the fixed block is fixedly mounted at the top end of the rotating shaft, and the top end of the fixed block extends out of the gland.
3. The novel ball valve packing gland structure of claim 2, wherein a screwing block is fixedly mounted at the top of the fixing block, a bearing is fixedly mounted in the cavity, and an inner ring of the bearing is fixedly sleeved on the rotating shaft.
4. The novel ball valve packing gland structure according to claim 2, wherein a first through hole is formed in the inner wall of the top of the chamber, and the fixing block penetrates through the first through hole and is rotatably connected with the inner wall of the first through hole.
5. The novel ball valve packing gland structure of claim 2, wherein a second through hole is formed in the inner wall of the bottom of the chamber, and the screw rod penetrates through the second through hole and is rotatably connected with the inner wall of the second through hole.
6. The novel ball valve packing gland structure of claim 1, wherein the fixing member is provided with a third through hole, the bolt penetrates through the third through hole and is slidably connected with the third through hole and the inner wall, and a handle is fixedly mounted on one side of the fixing member.
7. A novel ball valve packing gland construction according to claim 1, wherein said caulking groove and said nested inner wall and said locking block are hexagonal in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020526711.3U CN212056082U (en) | 2020-04-13 | 2020-04-13 | Novel ball valve gland structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020526711.3U CN212056082U (en) | 2020-04-13 | 2020-04-13 | Novel ball valve gland structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212056082U true CN212056082U (en) | 2020-12-01 |
Family
ID=73523216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020526711.3U Active CN212056082U (en) | 2020-04-13 | 2020-04-13 | Novel ball valve gland structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212056082U (en) |
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2020
- 2020-04-13 CN CN202020526711.3U patent/CN212056082U/en active Active
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