CN211779031U - Can prevent rusty butterfly valve of valve rod - Google Patents
Can prevent rusty butterfly valve of valve rod Download PDFInfo
- Publication number
- CN211779031U CN211779031U CN202020243200.0U CN202020243200U CN211779031U CN 211779031 U CN211779031 U CN 211779031U CN 202020243200 U CN202020243200 U CN 202020243200U CN 211779031 U CN211779031 U CN 211779031U
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- valve rod
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- drum
- cylinder
- waterproof
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Abstract
The utility model provides a can prevent rusty butterfly valve of valve rod, includes the valve body, integrated into one piece has the drum on the valve body, the valve rod is installed to the drum internal rotation, the upper end of valve rod can be dismantled and be connected with the runner, the waterproof cover of lower extreme fixedly connected with of runner, waterproof ways is on drum and valve rod, the cover has the sealing washer on the valve rod, and threaded connection has gland nut on the valve rod, be connected with sealing washer two between waterproof cover and the drum, the utility model discloses the waterproof cover of lower extreme fixedly connected with of runner, waterproof cover and valve rod threaded connection, waterproof ways are on the drum, can prevent that the junction of valve rod and drum from being drenched by the rain, and waterproof ways can prevent that the valve rod from being drenched by the rain, through the setting of sealing washer, can further protect the junction of valve rod and drum, is connected.
Description
Technical Field
The utility model relates to a butterfly valve technical field specifically is a can prevent rusty butterfly valve of valve rod.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. The butterfly valve generally includes the valve body, the butterfly plate, valve rod and runner, the butterfly plate rotates and installs in the valve body, the one end and the butterfly plate of valve rod are connected, and the valve rod rotates with the valve body and is connected, the other end at the valve rod is connected to the runner, it can drive the valve rod and rotate to rotate the runner, the valve rod rotates and drives the butterfly plate and rotate, realize the switching of valve body and to the control of velocity of flow size, the other end that valve rod and runner are connected generally directly exposes in the outside among the prior art, in the time of raining, the valve rod directly receives to drench very easily and can rust, make the.
Therefore, the problem to be solved in the field is to provide a butterfly valve capable of preventing a valve rod from rusting.
SUMMERY OF THE UTILITY MODEL
To the above circumstances, for overcoming prior art's defect, the utility model provides a can prevent rusty butterfly valve of valve rod is used for solving above-mentioned problem.
In order to achieve the purpose, the utility model relates to a can prevent rusty butterfly valve of valve rod, the water control valve comprises a valve body, integrated into one piece has the drum on the valve body, the valve rod is installed to the drum internal rotation, the upper end of valve rod can be dismantled and be connected with the runner, the waterproof cover of lower extreme fixedly connected with of runner, waterproof cover is on drum and valve rod, the cover has the sealing washer on the valve rod, and threaded connection has gland nut on the valve rod, be connected with sealing washer two between waterproof cover and the drum.
Further, the upper end of the valve rod is fixedly provided with a threaded column, the waterproof sleeve is of a cylindrical structure with the upper end being closed, an internal thread cylinder is integrally formed inside the waterproof sleeve, and the internal thread cylinder is in threaded connection with the threaded column.
Further, the inner wall embedding of drum is equipped with mounting groove, install the bearing on the valve rod, the bearing chucking is fixed in mounting groove.
Furthermore, the upper end face of the cylinder is embedded with a sealing groove, the sealing ring is clamped in the sealing groove, and a gasket is sleeved between the sealing ring and the compression nut.
Further, the diameter of the cylinder is equal to the inner diameter of the waterproof sleeve, a pressing groove is formed in the inner wall of the lower end of the waterproof sleeve, the second sealing ring is sleeved on the cylinder, a supporting ring is integrally formed on the cylinder, and the second sealing ring is clamped in the pressing groove and is in close contact with the supporting ring.
Has the advantages that:
1. the lower end of the rotating wheel of the utility model is fixedly connected with a waterproof sleeve, the waterproof sleeve is in threaded connection with the valve rod, the waterproof sleeve is sleeved on the cylinder, the joint of the valve rod and the cylinder can be prevented from being drenched, and the waterproof sleeve is sleeved on the valve rod, so that the valve rod can be prevented from being drenched;
2. the utility model can further protect the joint of the valve rod and the cylinder through the arrangement of the sealing ring, the sealing ring II is connected between the waterproof sleeve and the cylinder, and rainwater and the like can be effectively prevented from entering the waterproof sleeve through the upper end of the waterproof sleeve through the arrangement of the sealing ring II;
3. the upper end of the valve rod of the utility model is fixedly provided with the threaded column, the inner part of the waterproof sleeve is integrally formed with the inner thread barrel, and the inner thread barrel is in threaded connection with the threaded column, so that the waterproof sleeve and the whole runner can be conveniently replaced;
4. the utility model discloses the inner wall of waterproof cover lower extreme is equipped with and compresses tightly the groove, and two covers of sealing washer are on the drum, and integrated into one piece has the support ring on the drum, and two cards of sealing washer compress tightly the inslot and with support ring in close contact with, when sheatheeing the drum with waterproof cover, sealing washer two can be compressed tightly at the support ring and compress tightly between the groove, effectively improve the leakproofness of waterproof cover and drum junction.
Drawings
Fig. 1 is the structural schematic diagram of the butterfly valve of the utility model, which can prevent the valve rod from rusting.
Fig. 2 is a partially enlarged view of a portion a in fig. 1 according to the present invention.
Detailed Description
The directional terms of the present invention, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", etc., are only directions in the drawings, and are only used for explaining and explaining the present invention, but not for limiting the scope of the present invention. The following describes the present invention in further detail with reference to the accompanying fig. 1-2.
Referring to fig. 1 and 2, a butterfly valve assembly capable of preventing a valve rod from rusting is provided, which comprises a valve body 1, a cylinder 2 is integrally formed on the valve body 1, the valve rod 3 is rotatably installed in the cylinder 2, a rotating wheel 4 is detachably connected to the upper end of the valve rod 3, a waterproof sleeve 5 is fixedly connected to the lower end of the rotating wheel 4, the waterproof sleeve 5 and the rotating wheel 4 are fixedly connected, the waterproof sleeve 5 is sleeved on the cylinder 2 and the valve rod 3, the waterproof sleeve 5 is sleeved on the cylinder 2 to prevent the joint of the valve rod 3 and the cylinder 2 from being drenched, the waterproof sleeve 5 is sleeved on the valve rod 2 to prevent the valve rod 2 from being drenched, a sealing ring 6 is sleeved on the valve rod 3, a compression nut 7 is connected to the valve rod 3 in a threaded manner, the joint of the valve rod 3 and the cylinder 2 can be further protected by the sealing ring 6, a second sealing ring 8 is connected, through the setting of sealing washer two 8, can prevent effectively that rainwater etc. from entering into in waterproof cover 5 through the upper end of waterproof cover 5.
The fixed screw thread post 9 that is equipped with in upper end of valve rod 3, waterproof cover 5 is upper end confined drum structure, and the inside integrated into one piece of waterproof cover 5 has an internal thread section of thick bamboo 10, an internal thread section of thick bamboo 10 and screw thread post 9 threaded connection, and waterproof cover 5 and valve rod 3 can dismantle the connection, convenient the change. The inner wall embedding of drum 2 is equipped with mounting groove, installs bearing 11 on the valve rod 3, and bearing 11 chucking is fixed in mounting groove. The upper end face of the cylinder 2 is embedded with a sealing groove, the sealing ring 6 is clamped in the sealing groove, and a gasket 12 is sleeved between the sealing ring 6 and the compression nut 7. The diameter of drum 2 equals with the internal diameter of waterproof cover 5, and the inner wall of waterproof cover 5 lower extreme is equipped with compresses tightly the groove, and two 8 covers of sealing washer are on drum 2, and integrated into one piece has support ring 13 on drum 2, and two 8 cards of sealing washer compress tightly the inslot and with support ring 13 in close contact with, when putting waterproof cover 5 into drum 2, two 8 of sealing washer can be compressed tightly between support ring 13 and the groove that compresses tightly, effectively improve the leakproofness of waterproof cover 5 and drum 2 junction.
The working principle is as follows: the lower end of the runner 4 of the utility model is fixedly connected with a waterproof sleeve 5, the waterproof sleeve 5 is in threaded connection with the valve rod 3, the waterproof sleeve 5 is sleeved on the cylinder 2, the joint of the valve rod 3 and the cylinder 2 can be prevented from being drenched, the waterproof sleeve 5 is sleeved on the valve rod 2, the valve rod 2 can be prevented from being drenched, the joint of the valve rod 3 and the cylinder 2 can be further protected by arranging the sealing ring 6, the sealing ring II 8 is connected between the waterproof sleeve 5 and the cylinder 2, rainwater and the like can be effectively prevented from entering the waterproof sleeve 5 through the upper end of the waterproof sleeve 5 by arranging the sealing ring II 8, the upper end of the valve rod 3 is fixedly provided with a threaded column 9, an internal thread cylinder 10 is integrally formed inside the waterproof sleeve 5, the internal thread cylinder 10 is in threaded connection with the threaded column 9, the whole of the waterproof sleeve 5 and the runner 4 is convenient to be replaced, the inner wall of, the second sealing ring 8 is sleeved on the cylinder 2, the supporting ring 13 is integrally formed on the cylinder 2, the second sealing ring 8 is clamped in the pressing groove and is in close contact with the supporting ring 13, when the waterproof sleeve 5 is sleeved on the cylinder 2, the second sealing ring 8 can be pressed between the supporting ring 13 and the pressing groove, and the sealing performance of the joint of the waterproof sleeve 5 and the cylinder 2 is effectively improved.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a can prevent rusty butterfly valve of valve rod, includes valve body (1), its characterized in that, integrated into one piece has drum (2) on valve body (1), valve rod (3) are installed to drum (2) internal rotation, the upper end of valve rod (3) can be dismantled and be connected with runner (4), the waterproof cover of lower extreme fixedly connected with (5) of runner (4), waterproof cover (5) cover is on drum (2) and valve rod (3), the cover has sealing washer (6) on valve rod (3), and threaded connection has gland nut (7) on valve rod (3), be connected with sealing washer two (8) between waterproof cover (5) and drum (2).
2. The butterfly valve capable of preventing the valve rod from rusting according to claim 1, wherein a threaded column (9) is fixedly arranged at the upper end of the valve rod (3), the waterproof sleeve (5) is of a cylindrical structure with a closed upper end, an internal thread cylinder (10) is integrally formed inside the waterproof sleeve (5), and the internal thread cylinder (10) is in threaded connection with the threaded column (9).
3. The butterfly valve capable of preventing the valve rod from rusting according to claim 1, wherein a mounting groove is embedded in the inner wall of the cylinder (2), a bearing (11) is mounted on the valve rod (3), and the bearing (11) is clamped and fixed in the mounting groove.
4. The butterfly valve capable of preventing the valve rod from rusting according to claim 1, wherein a sealing groove is embedded in the upper end surface of the cylinder (2), the sealing ring (6) is clamped in the sealing groove, and a gasket (12) is sleeved between the sealing ring (6) and the compression nut (7).
5. The butterfly valve capable of preventing the valve rod from rusting according to claim 1, wherein the diameter of the cylinder (2) is equal to the inner diameter of the waterproof sleeve (5), a pressing groove is formed in the inner wall of the lower end of the waterproof sleeve (5), the second sealing ring (8) is sleeved on the cylinder (2), a supporting ring (13) is integrally formed on the cylinder (2), and the second sealing ring (8) is clamped in the pressing groove and is in close contact with the supporting ring (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020243200.0U CN211779031U (en) | 2020-03-03 | 2020-03-03 | Can prevent rusty butterfly valve of valve rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020243200.0U CN211779031U (en) | 2020-03-03 | 2020-03-03 | Can prevent rusty butterfly valve of valve rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211779031U true CN211779031U (en) | 2020-10-27 |
Family
ID=72902096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020243200.0U Active CN211779031U (en) | 2020-03-03 | 2020-03-03 | Can prevent rusty butterfly valve of valve rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211779031U (en) |
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2020
- 2020-03-03 CN CN202020243200.0U patent/CN211779031U/en active Active
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