CN211423610U - Prevent stop valve of leakage - Google Patents
Prevent stop valve of leakage Download PDFInfo
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- CN211423610U CN211423610U CN201921966189.4U CN201921966189U CN211423610U CN 211423610 U CN211423610 U CN 211423610U CN 201921966189 U CN201921966189 U CN 201921966189U CN 211423610 U CN211423610 U CN 211423610U
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Abstract
The utility model discloses a prevent stop valve of leakage, reach including valve body, valve rod the connecting pipe at valve body both ends, connecting pipe in-connection has external pipeline, the outer pot head of connecting pipe is equipped with an activity section of thick bamboo, an activity section of thick bamboo can follow on the outer wall of connecting pipe the length direction motion of connecting pipe, an activity section of thick bamboo can locking location on the outside of connecting pipe, the utility model relates to a valve technical field. This prevent stop valve of leakage, through set up mobilizable movable section of thick bamboo on the connecting pipe, the movable sleeve inner wall is provided with the sealing washer, accomplish the back at the pipe connection, adjust the position of a movable section of thick bamboo, thereby adjust the position of sealing washer, with the sealing washer inlay card to the gap between outside pipeline and the connecting pipe in, with the gap shutoff, realize sealed effect, avoid having unable abundant in close contact with between gap leads to between outside pipeline and the connecting pipe inner wall because of the screw thread, lead to the seepage, the condition of leakage, can fully seal, sealed effect is better, and is simple to use convenient.
Description
Technical Field
The utility model relates to the technical field of valves, specifically be a prevent stop valve of leakage.
Background
The stop valve is also called as a stop valve, is one of the most widely used valves, is popular because of small friction force between sealing surfaces in the opening and closing process, is durable, has small opening height, is easy to manufacture and convenient to maintain, and is suitable for medium and low pressure as well as high pressure. The closing principle of the stop valve is that the sealing surface of the valve clack is tightly attached to the sealing surface of the valve seat by means of the pressure of the valve rod, and the medium is prevented from flowing.
In the installation of stop valve, generally be with outside pipeline through the screw thread screw in connecting tube inner chamber, realize sealed effect through the screw thread, because there is the gap between the screw thread, outside pipeline and the unable in close contact with of connecting pipe inner wall, sealed effect is not good, produces the condition such as seepage, leakage easily.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a prevent stop valve of leakage, the sealed effect of installation department of having solved the stop valve is not good, produces the problem of the condition such as seepage, leakage easily.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a prevent stop valve of leakage, includes valve body, valve rod and the connecting pipe at valve body both ends, connecting pipe in-connection has external pipeline, the outer pot head of connecting pipe is equipped with a movable section of thick bamboo, a movable section of thick bamboo can follow on the outer wall of connecting pipe the length direction motion of connecting pipe, a movable section of thick bamboo can locking location on the outer wall of connecting pipe, external pipeline link up the rear end of a movable section of thick bamboo extends to the inner chamber of connecting pipe, fixedly connected with one has elastic sealing washer on the internal face of the rear end of a movable section of thick bamboo, the sealing washer is located the outer lane of external pipeline, but the sealing washer inlay card extremely the outer wall of external pipeline with in the gap between the internal face of connecting pipe.
Furthermore, an external thread is arranged on the outer wall surface of the connecting pipe.
Further, the inner wall surface of the movable cylinder is in threaded connection with the external thread, and the movable cylinder can rotate along the external thread and moves on the outer wall surface of the connecting pipe along the length direction of the connecting pipe.
Furthermore, the front end of the movable cylinder is rotatably provided with a rotating sleeve, and the rotating sleeve is sleeved on the outer wall surface of the connecting pipe and is in threaded connection with the external thread.
Further, the inner wall surface of the movable cylinder is in sliding connection with the outer wall surface of the connecting pipe.
Furthermore, an annular rotating groove is formed in the rotating sleeve, a rotating ring is rotatably arranged in the rotating groove, and the rotating ring is fixedly connected with the front end of the movable cylinder.
Furthermore, the inner end of the inner cavity of the connecting pipe is provided with a sealing ring.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) this prevent stop valve of leakage, through set up mobilizable movable section of thick bamboo on the connecting pipe, the movable sleeve inner wall is provided with the sealing washer, accomplish the back at the pipe connection, adjust the position of a movable section of thick bamboo, thereby adjust the position of sealing washer, with the sealing washer inlay card to the gap between external pipe and the connecting pipe in, with the gap shutoff, realize sealed effect, avoid having unable abundant in close contact with between gap leads to external pipe and the connecting pipe inner wall because of the screw thread, lead to the seepage, the condition of leakage, can fully seal, sealed effect is better, and is simple to use convenient.
(2) This prevent stop valve of leakage sets up the sealing ring through the inner at the connecting pipe inner chamber, and during the installation, the terminal surface contact of sealing ring and outside pipeline, the gap between the inner of shutoff outside pipeline and the connecting pipe internal face seals from the inner, further improves sealed effect, avoids appearing seepage, the condition of leaking.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the movable cylinder of the present invention;
FIG. 3 is a schematic view of the external structure of the movable cylinder of the present invention;
FIG. 4 is a side view of the movable barrel of the present invention;
fig. 5 is a partially enlarged view of a portion a in fig. 2 according to the present invention.
In the figure: 1-valve body, 2-valve rod, 3-connecting pipe, 4-external thread, 5-external pipeline, 6-movable cylinder, 7-sealing ring, 8-rotating sleeve, 81-rotating groove, 82-rotating ring and 9-sealing ring.
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. 1-5, the present invention provides a technical solution: the utility model provides a prevent stop valve of leakage, includes the connecting pipe 3 at 1, valve rod 2 and 1 both ends of valve body, and 3 inner chambers of connecting pipe are provided with the screw thread, and 3 in-connection of connecting pipe have outside pipeline 5, and outside pipeline 5 passes through threaded connection and installs the inner chamber to connecting pipe 3.
The outer pot head of connecting pipe 3 is equipped with a movable cylinder 6, movable cylinder 6 can be followed the length direction motion of connecting pipe 3 on the outer wall of connecting pipe 3, movable cylinder 6 can be locked the location on the outer wall of connecting pipe 3, be provided with external screw thread 4 on the outer wall of connecting pipe 3, the internal face and the 4 threaded connection of external screw thread of movable cylinder 6, movable cylinder 6 can be followed external screw thread 4 and rotated the length direction motion along connecting pipe 3 on the outer wall of connecting pipe 3.
The movable cylinder 6 is rotated to rotate on the surface of the connecting pipe 3, the movable cylinder 6 moves along the length direction of the outer wall surface of the connecting pipe 3 while rotating, the position of the movable cylinder 6 on the surface of the connecting pipe 3 can be adjusted, and the movable cylinder cannot move under the action of no external force due to the fact that the movable cylinder 6 is in threaded connection with the outer wall surface of the connecting pipe 3, and locking and positioning are achieved.
The external pipeline 5 penetrates through the rear end of the movable cylinder 6 and extends to the inner cavity of the connecting pipe 3, an elastic sealing ring 7 is fixedly connected to the inner wall surface of the rear end of the movable cylinder 6, the sealing ring 7 is located on the outer ring of the external pipeline 5, and the sealing ring 7 can be clamped and embedded in a gap between the outer wall surface of the external pipeline 5 and the inner wall surface of the connecting pipe 3.
When the movable cylinder 6 is rotated, the sealing ring 7 synchronously rotates along with the movable cylinder 6 and moves in the horizontal direction until the sealing ring 7 is positioned between the outer wall surface of the external pipeline 5 and the inner wall surface of the connecting pipe 3, the movable cylinder 6 continuously moves to extrude the sealing ring 7, the sealing ring 7 is clamped and embedded into a gap between the outer wall surface of the external pipeline 5 and the inner wall surface of the connecting pipe 3, and the gap is sealed.
The thickness of the front end of the sealing ring 7 is small, the thickness of the bottom end of the sealing ring is large, the section can be trapezoidal, and during plugging, the front end of the sealing ring 7 is clamped into the gap and gradually goes deep into the gap to plug the gap.
The front end of the movable cylinder 6 is rotatably provided with a rotating sleeve 8, and the rotating sleeve 8 is sleeved on the outer wall surface of the connecting pipe 3 and is in threaded connection with the external thread 4. The inner wall surface of the movable tube 6 is slidably connected to the outer wall surface of the connection tube 3. An annular rotating groove 81 is arranged in the rotating sleeve 8, a rotating ring 82 is rotatably arranged in the rotating groove 81, and the rotating ring 82 is fixedly connected with the front end of the movable cylinder 6.
When the rotating sleeve 8 rotates, the movable sleeve 6 is in sliding connection with the outer wall surface of the connecting pipe 3 and cannot rotate relatively, so that the rotating ring 82 cannot rotate, the relative position of the rotating sleeve 8 on the surface of the connecting pipe 3 changes, the rotating ring 82 is pulled, the movable sleeve 6 is pulled to slide, the sealing ring 7 is driven to move, and gaps are blocked.
The rotating sleeve 8 is rotatably connected with the movable barrel 6, when the rotating sleeve 8 rotates, the surface of the connecting pipe 3 moves along the length direction of the connecting pipe 3, the movable barrel 6 can move along the length direction of the connecting pipe 3 along with the rotating sleeve 8 under the non-rotating condition, so that the movable barrel 6 is driven to slide on the surface of the connecting pipe 3, the sealing ring 7 is driven to move towards the gap, and the sealing ring 7 is clamped into the gap to realize plugging.
The inner of the inner cavity of the connecting pipe 3 is provided with a sealing ring 9, when the connecting pipe is installed, the sealing ring 9 is in contact with the end face of the external pipeline 5, a gap between the inner end of the external pipeline 5 and the inner wall face of the connecting pipe 3 is plugged, sealing is carried out from the inner end, and the sealing effect is further improved.
During the use, adjust the position of a movable section of thick bamboo 6 for sealing washer 7 is kept away from the tip of connecting pipe 3, twists external pipeline 5 into the inner chamber of connecting pipe 3, adjusts the position of a movable section of thick bamboo 6 once more this moment, makes its inward movement, makes in sealing washer 7 front end gets into the gap between the outer wall of external pipeline 5 and the internal face of connecting pipe 3, continues to control the position of a movable section of thick bamboo 6, extrudees sealing washer 7, makes its inseparable inlay card to the gap in, realizes sealedly.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a prevent stop valve of leakage, includes valve body (1), valve rod (2) and connecting pipe (3) at valve body (1) both ends, connecting pipe (3) in-connection has outside pipeline (5), its characterized in that: the outer end cover of connecting pipe (3) is equipped with a movable cylinder (6), movable cylinder (6) can follow on the outer wall of connecting pipe (3) the length direction motion of connecting pipe (3), movable cylinder (6) can locking location on the outer wall of connecting pipe (3), outside pipeline (5) link up the rear end of movable cylinder (6) extends to the inner chamber of connecting pipe (3), fixedly connected with one has elastic sealing washer (7) on the internal face of the rear end of movable cylinder (6), sealing washer (7) are located the outer lane of outside pipeline (5), sealing washer (7) can inlay card extremely the outer wall of outside pipeline (5) with in the gap between the internal face of connecting pipe (3).
2. A leak resistant shut off valve as defined in claim 1 wherein: and the outer wall surface of the connecting pipe (3) is provided with an external thread (4).
3. A leak resistant shut off valve as defined in claim 2 wherein: the inner wall surface of the movable cylinder (6) is in threaded connection with the external thread (4), and the movable cylinder (6) can rotate along the external thread (4) and move on the outer wall surface of the connecting pipe (3) along the length direction of the connecting pipe (3).
4. A leak resistant shut off valve as defined in claim 2 wherein: the front end of the movable cylinder (6) is rotatably provided with a rotating sleeve (8), and the rotating sleeve (8) is sleeved on the outer wall surface of the connecting pipe (3) and is in threaded connection with the external thread (4).
5. A leak resistant shut off valve as defined in claim 4 wherein: the inner wall surface of the movable cylinder (6) is in sliding connection with the outer wall surface of the connecting pipe (3).
6. A leak resistant shut off valve as defined in claim 4 wherein: an annular rotating groove (81) is formed in the rotating sleeve (8), a rotating ring (82) is rotatably arranged in the rotating groove (81), and the rotating ring (82) is fixedly connected with the front end of the movable cylinder (6).
7. A leak resistant shut off valve as defined in claim 1 wherein: and a sealing ring (9) is arranged at the inner end of the inner cavity of the connecting pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921966189.4U CN211423610U (en) | 2019-11-14 | 2019-11-14 | Prevent stop valve of leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921966189.4U CN211423610U (en) | 2019-11-14 | 2019-11-14 | Prevent stop valve of leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211423610U true CN211423610U (en) | 2020-09-04 |
Family
ID=72288557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921966189.4U Active CN211423610U (en) | 2019-11-14 | 2019-11-14 | Prevent stop valve of leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211423610U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233945A (en) * | 2021-12-23 | 2022-03-25 | 申建光 | Connection structure convenient to warm logical air conditioner pipeline installation replacement |
-
2019
- 2019-11-14 CN CN201921966189.4U patent/CN211423610U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233945A (en) * | 2021-12-23 | 2022-03-25 | 申建光 | Connection structure convenient to warm logical air conditioner pipeline installation replacement |
| CN114233945B (en) * | 2021-12-23 | 2023-09-01 | 申建光 | Connection structure convenient to warm logical air conditioner pipeline installation is replaced |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 25, 801 Lane, Zhongwang Road, Zhujing Town, Jinshan District, Shanghai, 201500 Patentee after: Yangyi Valve Group Co., Ltd Address before: No. 25, 801 Lane, Zhongwang Road, Zhujing Town, Jinshan District, Shanghai, 201500 Patentee before: SHANGHAI YANGYI VALVE Co.,Ltd. |