CN109340395B - Telescopic control mechanism for gate valve - Google Patents
Telescopic control mechanism for gate valve Download PDFInfo
- Publication number
- CN109340395B CN109340395B CN201811465531.2A CN201811465531A CN109340395B CN 109340395 B CN109340395 B CN 109340395B CN 201811465531 A CN201811465531 A CN 201811465531A CN 109340395 B CN109340395 B CN 109340395B
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- Prior art keywords
- external
- gate valve
- external control
- control
- rod
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
Abstract
The invention relates to the technical field of gate valve control tools, in particular to a telescopic control mechanism for a gate valve. According to the telescopic control mechanism for the gate valve, the external connecting rod with an integrated structure is arranged outside the external control rod, the external control sleeve with the built-in limiting bolt is sleeved on the external connecting rod, the limiting bolt inside the external control sleeve is inserted into the strip-shaped telescopic groove to improve the safety of connection with the external connecting rod, the external control sleeve and the external connecting rod are controlled to rotate by the elastic overturning control rod at the top end of the outer side of the external control sleeve, so that the gate valve is conveniently controlled, the control mechanism can be limited and accommodated by being inserted into the lateral limiting groove, the structure of the control mechanism is adjustable, the operation is simple and convenient, and the durability and the safety of the whole external control mechanism for the gate valve are greatly improved.
Description
Technical Field
The invention relates to the technical field of gate valve control tools, in particular to a telescopic control mechanism for a gate valve.
Background
The gate valve is a shutter plate, the moving direction of which is perpendicular to the fluid direction, and the gate valve can only be fully opened and fully closed, but cannot be adjusted and throttled. Gate valves are sealed by the contact of the valve seat and gate plate, and the sealing surface is usually welded with metal materials to increase wear resistance, such as 1Cr13, STL6, stainless steel, etc. The gate plate is divided into a rigid gate plate and an elastic gate plate according to the difference of the gate plate. The control mechanism of traditional brake valve simple structure, the structure can't be adjusted, and control mechanism exposes outside for a long time, and long-time use surface corrodes very easily, leads to control mechanism's life and prevents that the security of maloperation is not high.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the problems existing in the background technology, the improved telescopic control mechanism for the gate valve is provided, and the problems that the control mechanism of the traditional gate valve is simple in structure and cannot be adjusted, the surface of the control mechanism is easily corroded after long-term use due to the fact that the control mechanism is exposed outside for a long time, the service life of the control mechanism is prolonged, and the safety of misoperation prevention is not high are solved.
The technical scheme adopted by the invention for solving the technical problems is as follows: a telescopic control mechanism for a gate valve comprises an external control rod fixedly connected with an internal valve core of the gate valve in an axial direction, wherein the top end of the outer side of the external control rod is provided with an external connecting rod with an integrated structure, the periphery of the external control rod is provided with an external limiting seat fixedly connected with an external shell of the gate valve, the outer side surface of the external connecting rod is provided with a strip-shaped telescopic groove, the external control rod is sleeved with an external control sleeve, the external control sleeve is provided with lateral internal thread through holes with built-in limiting bolts corresponding to the strip-shaped telescopic groove, the top end of the outer side surface of the external control sleeve is provided with an integrated structure connecting ring protruding outwards, the internal part of the external control sleeve is provided with an assembly blind hole with an opening at the bottom, the external control sleeve is sleeved on the external control rod through the assembly blind hole and is in sliding connection with the external control rod, and, the top end of the outer side surface of the turning control rod is provided with an integral structure lateral connecting shaft matched with the connecting ring, the turning control rod is inserted into the corresponding position of the connecting ring through the lateral connecting shaft and is movably connected with the external control sleeve, a round accommodating hole which is convenient for the external control sleeve to stretch is arranged on the inner side surface of the external limiting seat close to the external control rod, a lateral limiting groove for accommodating the turnover control rod is arranged on the inner side surface of the round accommodating hole, an internal thread blind hole is arranged at the center of the top end of the outer side of the external control sleeve, an external supporting cover plate is arranged at the top end of the outer side of the external control sleeve, the external supporting cover plate is provided with an integral structure external thread screw rod through the central position near the side surface of the external control sleeve, the external supporting cover plate is screwed into the internal thread blind hole through the external thread screw rod and is fixedly connected with the top end of the outer side of the external control sleeve.
Furthermore, in order to improve the elastic resetting capability, a lateral mounting groove with a built-in elastic resetting sheet is formed in the surface of the external supporting cover plate close to the turnover control rod, and the outer side end of the elastic resetting sheet is welded and fixed with the outer side surface of the turnover control rod at the corresponding position.
Further, in order to improve the safety, the lateral connecting shaft is provided with a limiting head which is far away from the top of the connecting end of the overturning control rod and is prevented from being separated from the inside of the connecting ring.
Further, in order to improve the internal anti-loosening performance, the width of the inside of the lateral limiting groove is narrowed from bottom to top.
Further, for convenience of control, the cross section of the external connecting rod is of a rectangular structure.
Furthermore, in order to improve the adjustment stability, no gap exists between the outer side surface of the outer control rod and the inner connecting surface of the outer control sleeve.
The telescopic control mechanism for the gate valve has the advantages that the outer control rod is provided with the integral structure outer connecting rod outside the outer control rod, the outer control sleeve with the built-in limiting bolt is sleeved on the outer connecting rod, the limiting bolt inside the outer control sleeve is inserted into the strip-shaped telescopic groove to improve the safety of connection with the outer connecting rod, the outer control sleeve and the outer connecting rod are controlled to rotate by the elastic overturning control rod at the top end of the outer side of the outer control sleeve, so that the gate valve is conveniently controlled, in addition, the limiting and accommodating can be carried out by inserting into the lateral limiting groove, the structure of the control mechanism is adjustable, the operation is simple and convenient, and the durability and the safety of the whole gate valve outer control mechanism are greatly improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a sectional view of the control mechanism in the accommodated state.
In the drawing, 1, an external control rod, 2, an external connecting rod, 3, an external limiting seat, 4, a strip-shaped telescopic groove, 5, an external control sleeve, 6, a limiting bolt, 7, a lateral internal thread through hole, 8, a connecting ring, 9, an assembly blind hole, 10, a turnover control rod, 11, a lateral connecting shaft, 12, a circular accommodating hole, 13, a lateral limiting groove, 14, an internal thread blind hole, 15, an external supporting cover plate, 16, an external thread screw rod, 17, an elastic reset sheet and 18, a limiting head are arranged.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
The retractable control mechanism for the gate valve shown in fig. 1 and fig. 2 comprises an external control rod 1 fixedly connected with an internal valve core of the gate valve in an axial direction, an external connecting rod 2 of an integrated structure is arranged at the top end of the external side of the external control rod 1, an external limiting seat 3 fixedly connected with an external shell of the gate valve is arranged at the periphery of the external control rod 1, a strip-shaped retractable groove 4 is arranged on the outer side surface of the external connecting rod 2, an external control sleeve 5 is sleeved on the external control rod 1, lateral internal thread through holes 7 with built-in limiting bolts 6 are arranged at positions corresponding to the strip-shaped retractable groove 4 on the external control sleeve 5, a connecting ring 8 of an integrated structure protruding outwards is arranged at the top end of the outer side surface of the external control sleeve 5, an assembly blind hole 9 with an opening at the bottom is arranged inside the external control sleeve 5, the external control sleeve 5 is sleeved on the external control rod 1 through the assembly blind hole 9, the lateral surface top of upset control pole 10 has with go-between 8 matched with a body structure side direction connecting axle 11, upset control pole 10 inserts through side direction connecting axle 11 and corresponds the position go-between 8 inside and 5 swing joint of external control cover, set up the circular hole 12 of accomodating that makes things convenient for external control cover 5 to stretch out and draw back on the nearly external control pole 1 medial surface of outside spacing seat 3, set up the side direction spacing groove 13 that is used for accomodating upset control pole 10 on the circular hole 12 medial surface of accomodating, external control cover 5 outside top central point puts and sets up female screw thread blind hole 14, external control cover 5 outside top is provided with outside support apron 15, outside support apron 15 puts through nearly external control cover 5 side central point and has a body structure external screw thread lead screw 16, outside support apron 15 passes through the inside and external control cover 5 outside top fixed connection of external screw.
Further, in order to improve the elastic reset capability, a side mounting groove with a built-in elastic reset sheet 17 is arranged on the surface of the external support cover plate 15 close to the turnover control rod 10, the outer side end of the elastic reset sheet 17 is welded and fixed with the outer side surface of the turnover control rod 10 at the corresponding position, further, in order to improve the safety, the top of the side connecting shaft 11 far away from the connecting end of the turnover control rod 10 is provided with a limit head 18 which prevents the separation from the inside of the connecting ring 8, further, in order to improve the internal anti-loosening property, the internal width of the side limit groove 13 is narrowed from bottom to top, further, in order to facilitate the control, the cross section of the external connecting rod 2 is of a rectangular structure, further, in order to improve the regulation stability, no gap is arranged between the outer side surface of the external control rod 1 and the inner side connecting surface of the external control sleeve 5, and the telescopic control mechanism for the gate valve has, the cover has built-in stop bolt 6's external control cover 5 on external connecting rod 2, utilize 5 inside stop bolt 6 of external control cover to insert the flexible groove 4 of bar and promote the security of being connected with external connecting rod 2, the elasticity upset control lever 10 on utilizing 5 outside tops of external control cover is controlled rotatoryly to external control cover 5 and external connecting rod 2, thereby the convenience is controlled the gate valve, and can carry out spacing accomodating through inserting side direction spacing inslot 13 inside, make control mechanism's adjustable in structure, easy operation is convenient, promote whole gate valve external control mechanism's durability and security greatly.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides a retractable control mechanism for gate valve, includes with the inside case axial fixity of gate valve outside control rod (1) of being connected, characterized by: the gate valve is characterized in that an integral-structure external connecting rod (2) is arranged at the top end of the outer side of the external control rod (1), an external limiting seat (3) fixedly connected with an external shell of the gate valve is arranged at the periphery of the external control rod (1), strip-shaped telescopic grooves (4) are formed in the outer side surface of the external connecting rod (2), an external control sleeve (5) is sleeved on the external control rod (1), lateral internal thread through holes (7) with built-in limiting bolts (6) are formed in the positions, corresponding to the strip-shaped telescopic grooves (4), of the external control sleeve (5), an outwardly-convex integral-structure connecting ring (8) is arranged at the top end of the outer side surface of the external control sleeve (5), an assembling blind hole (9) with an opening at the bottom is formed in the external control sleeve (5), the external control sleeve (5) is sleeved on the external control rod (1) through the assembling blind hole (9) and, the turning control rod (10) is arranged on one side of the connecting ring (8) on the outer side of the external control sleeve (5), the top end of the turning control rod (10) is provided with a lateral connecting shaft (11) of an integrated structure matched with the connecting ring (8), the turning control rod (10) is inserted into the connecting ring (8) at the corresponding position through the lateral connecting shaft (11) and is movably connected with the external control sleeve (5), the inner side surface of the external limiting seat (3) close to the external control rod (1) is provided with a circular accommodating hole (12) convenient for the external control sleeve (5) to stretch, the inner side surface of the circular accommodating hole (12) is provided with a lateral limiting groove (13) used for accommodating the turning control rod (10), the center position of the top end of the outer side of the external control sleeve (5) is provided with an internal thread blind hole (14), the top end of the outer side of the external control sleeve (5) is provided with, the side central position that outside support apron (15) are close to outside control cover (5) put and have integrative structure external screw thread lead screw (16), outside support apron (15) through external screw thread lead screw (16) screw in internal thread blind hole (14) inside and outside control cover (5) outside top fixed connection.
2. The telescoping control mechanism for a gate valve as claimed in claim 1, wherein: the side direction mounting groove of built-in elasticity piece (17) one end is seted up on outside support apron (15) nearly upset control lever (10) face, the elasticity piece that resets (17) other end and upset control lever (10) correspond the position welded fastening.
3. The telescoping control mechanism for a gate valve as claimed in claim 1, wherein: the top of the connecting end of the lateral connecting shaft (11) far away from the overturning control rod (10) is provided with a limiting head (18) for preventing the lateral connecting shaft from being separated from the inside of the connecting ring (8).
4. The telescoping control mechanism for a gate valve as claimed in claim 1, wherein: the width of the inner part of the lateral limiting groove (13) is narrowed from bottom to top.
5. The telescoping control mechanism for a gate valve as claimed in claim 1, wherein: the cross section of the external connecting rod (2) is of a rectangular structure.
6. The telescoping control mechanism for a gate valve as claimed in claim 1, wherein: and no gap is reserved between the outer side surface of the external control rod (1) and the inner side connecting surface of the external control sleeve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811465531.2A CN109340395B (en) | 2018-12-03 | 2018-12-03 | Telescopic control mechanism for gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811465531.2A CN109340395B (en) | 2018-12-03 | 2018-12-03 | Telescopic control mechanism for gate valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109340395A CN109340395A (en) | 2019-02-15 |
| CN109340395B true CN109340395B (en) | 2021-02-12 |
Family
ID=65320102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811465531.2A Active CN109340395B (en) | 2018-12-03 | 2018-12-03 | Telescopic control mechanism for gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109340395B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187942A (en) * | 2021-05-19 | 2021-07-30 | 江苏盛丰机械科技有限公司 | Valve rod upper seat with lateral limiting and supporting mechanism |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI90587C (en) * | 1991-03-28 | 1994-02-25 | Oras Oy | Shaft extension device for a valve |
| US6473940B1 (en) * | 2001-06-29 | 2002-11-05 | Harsco Technologies Corporation | Knob for a post valve |
| KR100683044B1 (en) * | 2006-04-17 | 2007-02-15 | 주식회사 한국 종합엔지니어링 | Valve housing with hight adjustable extension drive axle |
| CN206555544U (en) * | 2017-02-15 | 2017-10-13 | 福建省兴达阀门制造有限公司 | A kind of rocker-type inside screw nonrising stem type gate valve |
| CN108331941B (en) * | 2018-03-07 | 2024-04-26 | 河北宏邦农业科技发展有限公司 | Three-way joint with lifting switch for underground pipeline |
| CN208074254U (en) * | 2018-04-18 | 2018-11-09 | 山东无棣金土地开发建设有限公司 | A kind of telescopic valve opening device |
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2018
- 2018-12-03 CN CN201811465531.2A patent/CN109340395B/en active Active
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| Publication number | Publication date |
|---|---|
| CN109340395A (en) | 2019-02-15 |
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