CN210676234U - Valve dredger - Google Patents
Valve dredger Download PDFInfo
- Publication number
- CN210676234U CN210676234U CN201921477541.8U CN201921477541U CN210676234U CN 210676234 U CN210676234 U CN 210676234U CN 201921477541 U CN201921477541 U CN 201921477541U CN 210676234 U CN210676234 U CN 210676234U
- Authority
- CN
- China
- Prior art keywords
- valve
- hand wheel
- ejector rod
- dredger
- connecting flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Lift Valve (AREA)
Abstract
The utility model relates to the technical field of equipment maintenance, in particular to a valve dredger, which is characterized in that a hand wheel with external threads is sleeved on one side of an ejector rod with the external threads, the other side of the ejector rod sequentially passes through a shell side sealing structure and a valve connecting flange, and the hand wheel rotates clockwise or anticlockwise to drive the ejector rod to extend out or retract, so that when the valve connecting flange is connected with a valve, the middle ejector rod can be controlled to extend out or retract by utilizing the rotation of the hand wheel to realize the dredging function, thereby dredging operation can be carried out on the valve under the condition of on-line non-stop production, the injury to a human body is reduced, convenience is provided for production maintenance, and the loss caused by the stop production is reduced; and the valve dredger is simple to manufacture, convenient to operate and low in cost, is suitable for high-risk maintenance operation such as chemical engineering, and has a good market prospect.
Description
Technical Field
The utility model relates to an equipment overhaul technical field especially relates to a valve dredge.
Background
At present, the valve is blocked, and particularly, the valve needs to be dredged after production is stopped under the condition of serious blockage, which inevitably causes loss, so that how to dredge the utility model under the condition of online non-stop production becomes the direction of research of technicians in the field.
SUMMERY OF THE UTILITY MODEL
In order to solve the existing problems, the utility model discloses a valve dredger which is characterized by comprising an ejector rod, a hand wheel, a valve connecting flange and a shell side sealing structure;
an external thread is arranged on one side of the ejector rod, an internal thread matched with the external thread is arranged on the hand wheel, the hand wheel is sleeved on one side with the external thread of the ejector rod, the other side of the ejector rod sequentially penetrates through the shell side sealing structure and the valve connecting flange, and the hand wheel rotates clockwise or anticlockwise to drive the ejector rod to extend or retract;
the shell pass sealing structure is arranged between the hand wheel and the valve connecting flange and fixedly connected with the valve connecting flange so as to seal a gap between the valve connecting flange and the ejector rod.
In the above valve dredger, the shell-side sealing structure comprises a sleeve, a valve body sealing pipe and a valve sealing pipe;
the valve body sealing pipe is arranged between the sleeve and the valve body sealing pipe, and one end of the sleeve, which is not connected with the valve body sealing pipe, abuts against the hand wheel.
In the valve dredger, the valve body sealing pipe is connected with the sleeve and the valve sealing pipe through flanges,
the valve dredger comprises a valve body, a valve sealing pipe and a valve dredging pipe, wherein the valve body is provided with the valve dredging pipe, and the valve dredging pipe is internally filled with a sealing material.
In the valve dredger, the sealing ring is arranged in the valve body sealing pipe.
In the valve dredger, the ejector rod is a steel pipe with one sealed end, and one end of the steel pipe close to the hand wheel is sealed.
The valve dredger is applied to dredging a heavy benzene valve.
The valve dredger is applied to dredging a heavy benzene valve.
Above-mentioned utility model has following advantage or beneficial effect:
the utility model discloses a valve dredger, through cup jointing the hand wheel that has the external screw thread in the one side that the ejector pin has the external screw thread, and pass shell side seal structure and valve flange with the opposite side of ejector pin in proper order, and the hand wheel is clockwise or anticlockwise rotatory, drive the ejector pin and stretch out or retract, thereby when this valve flange connects the valve, utilize the hand wheel rotation can control the middle ejector pin to stretch out or retract, realize the mediation effect, thereby can dredge the operation to the valve under the condition of not stopping production on line, reduced the injury to the human body, provide convenience for the production maintenance, reduce the loss that the stopping production brought; and the valve dredger is simple to manufacture, convenient to operate and low in cost, is suitable for high-risk maintenance operation such as chemical engineering, and has a good market prospect.
Drawings
The invention and its features, aspects and advantages will become more apparent from a reading of the following detailed description of non-limiting embodiments with reference to the attached drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention.
Fig. 1 is a schematic structural view of a valve dredger in an embodiment of the present invention, when a carrier rod is in a retracted state;
fig. 2 is the embodiment of the present invention, in which the ejector rod is in the extended state, the valve dredger has a schematic structure.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which should not be construed as limiting the invention.
As shown in fig. 1 and 2, the embodiment relates to a valve dredger, which can be applied to dredging operation of chemical valves such as heavy benzene valves, and specifically comprises a top rod 3, a hand wheel 2, a valve connecting flange 4 and a shell side sealing structure 5; one side of the ejector rod 3 is provided with an external thread, the hand wheel 2 is provided with an internal thread adapted to the external thread, the hand wheel 2 is sleeved on one side with the external thread of the ejector rod 3, the other side of the ejector rod 3 sequentially penetrates through the shell side sealing structure 5 and the valve connecting flange 4, the hand wheel 2 rotates clockwise or anticlockwise, the ejector rod 3 extends out of the valve connecting flange 4 or retracts from the outer side of the valve connecting flange 4 (due to the fact that the hand wheel 2 is in threaded connection with the ejector rod 3, when the hand wheel 2 rotates, a screw rod can be driven to move linearly, namely, the rotation of the hand wheel 2 is converted into the linear motion of the ejector rod 3, specifically, the hand wheel 2 rotates clockwise, the ejector rod 3 extends out of the valve connecting flange; the valve connecting flange 4 is used for being connected with a flange 11 at the position of the valve 1, and the shell sealing knot is arranged between the hand wheel 2 and the valve body connecting flange 4 and is connected with the valve connecting flange 4 so as to seal a gap between the valve connecting flange 4 and the ejector rod 3.
Specifically, the shell-side sealing structure 5 includes a sleeve 51, a valve body sealing pipe 52 and a valve sealing pipe 53; the valve body sealing pipe 52 is arranged between the sleeve 51 and the valve body sealing pipe 52, one end of the sleeve 51, which is not connected with the valve body sealing pipe 52, is abutted against the hand wheel 2, and the valve body sealing pipe 52 is connected with the sleeve 51 and the valve sealing pipe 53 through flanges, so that the connection among the components is facilitated.
In a preferred embodiment of the present invention, the valve sealing pipe 53 is filled with a sealing material to seal a gap between the valve connecting flange 4 and the stem 3.
Further, a sealing ring is arranged in the valve body sealing pipe to further seal a gap between the valve connecting flange 4 and the ejector rod 3 and prevent a sealing material from entering the sleeve 51.
In a preferred embodiment of the present invention, the above-mentioned ejector pin 3 is a steel pipe with one sealed end, and the end of the ejector pin 3 close to the hand wheel 2 is sealed so that the chemical will not leak when the valve dredger is used for dredging the valve 1.
The utility model discloses a specific embodiment, utilize above-mentioned valve dredge to dredge the concrete step of operation to blockking up valve 1 as follows:
the first step is as follows: the hand wheel 2 is rotated anticlockwise to retract the valve dredger ejector pin 3.
The second step is that: the valve dredger is connected to the flange 11 of the block valve 1 by means of the valve connecting flange 4 and is fastened by means of bolts.
The third step: and opening the blocking valve 1, and rotating the hand wheel 2 clockwise to enable the ejector rod 3 to extend out, so that a part of blocking objects are absorbed, and a part of blocking objects are ejected into the valve 1.
The fourth step: and after the valve is cleared, the hand wheel 2 is rotated anticlockwise, the ejector rod 3 retracts, the valve 1 after the clearing is closed, the valve dredger is disassembled, and the clearing is completed.
Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described herein in detail. Such variations do not affect the essence of the present invention, and are not described herein.
The above description is directed to the preferred embodiment of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; without departing from the scope of the invention, it is intended that the present invention shall not be limited to the above-described embodiments, but that the present invention shall include all the modifications and variations of the embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still fall within the protection scope of the technical solution of the present invention, where the technical entity does not depart from the content of the technical solution of the present invention.
Claims (7)
1. A valve dredger is characterized by comprising an ejector rod, a hand wheel, a valve connecting flange and a shell side sealing structure;
an external thread is arranged on one side of the ejector rod, an internal thread matched with the external thread is arranged on the hand wheel, the hand wheel is sleeved on one side with the external thread of the ejector rod, the other side of the ejector rod sequentially penetrates through the shell side sealing structure and the valve connecting flange, and the hand wheel rotates clockwise or anticlockwise to drive the ejector rod to extend or retract;
the shell pass sealing structure is arranged between the hand wheel and the valve connecting flange and fixedly connected with the valve connecting flange so as to seal a gap between the valve connecting flange and the ejector rod.
2. The valve dredger of claim 1, wherein the shell-side sealing structure comprises a sleeve, a valve body sealing tube and a valve sealing tube;
the valve body sealing pipe is arranged between the sleeve and the valve body sealing pipe, and one end of the sleeve, which is not connected with the valve body sealing pipe, abuts against the hand wheel.
3. The valve dredger of claim 2, wherein the valve body sealing tube is flanged to both the sleeve and the valve sealing tube.
4. The valve pull of claim 2, wherein the valve sealing tube is filled with a sealing material.
5. The valve pull of claim 2, wherein a sealing ring is disposed within the valve body sealing tube.
6. The valve dredger of claim 1, wherein the push rod is a steel tube with one end sealed, and one end of the steel tube adjacent to the hand wheel is sealed.
7. The valve dredger of claim 1, wherein the valve dredger is used to dredge a heavy benzene valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921477541.8U CN210676234U (en) | 2019-09-03 | 2019-09-03 | Valve dredger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921477541.8U CN210676234U (en) | 2019-09-03 | 2019-09-03 | Valve dredger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210676234U true CN210676234U (en) | 2020-06-05 |
Family
ID=70903624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921477541.8U Active CN210676234U (en) | 2019-09-03 | 2019-09-03 | Valve dredger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210676234U (en) |
-
2019
- 2019-09-03 CN CN201921477541.8U patent/CN210676234U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104841582B (en) | A kind of rotatable water spraying gun of shower nozzle | |
| CN105257889B (en) | A kind of electro-hydraulic drive system of gate valve and gate valve | |
| CN110145324B (en) | Shield tunneling machine pipe extension device and method for connecting slurry pipeline in tunnel | |
| CN204099618U (en) | Butterfly valve | |
| CN210676234U (en) | Valve dredger | |
| CN107350521B (en) | A kind of pipeline perforator | |
| CN204148733U (en) | A kind of local argon-filled protection device for pipeline welding | |
| CN110541713A (en) | TBM presses and annotates formula concrete grouting pipeline | |
| CN203809697U (en) | Nuclear-grade small-caliber manual corrugated pipe stop valve | |
| RU193785U1 (en) | BELLOWS GATE VALVE | |
| CN210318559U (en) | Bellows sealing valve for bearing internal pressure of bellows | |
| CN208331425U (en) | ball valve system | |
| CN202065609U (en) | Leakage-stopping device for pressurized pipeline | |
| CN201285686Y (en) | External switch type oil pumping valve for transformer | |
| CN208793650U (en) | It is a kind of to prevent stuck butterfly valve | |
| CN212944464U (en) | Valve dredger | |
| CN211779172U (en) | Clamp type quick-opening blind plate pipe cleaning valve | |
| CN211009858U (en) | Piston anti-loosening structure of hydraulic oil cylinder | |
| CN203906844U (en) | Small particle size valve device beneficial for preventing gate plate from being stuck | |
| CN208474036U (en) | A kind of runner component and the hydraulic turbine | |
| CN212672415U (en) | Wear-resistant valve structure | |
| CN211626242U (en) | Ball adding improvement device of ball collecting chamber of power plant rubber ball flushing system | |
| CN203757143U (en) | Forced seal ball valve pneumatic executing mechanism with buffering and mechanical limiting functions | |
| CN221257889U (en) | Pipeline with buffer structure | |
| CN2434496Y (en) | Three lead screw type pipeline blankoff flange valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |