CN110056665B - Gate valve that well intracavity formula of swinging opened and close fast - Google Patents
Gate valve that well intracavity formula of swinging opened and close fast Download PDFInfo
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- CN110056665B CN110056665B CN201910366298.0A CN201910366298A CN110056665B CN 110056665 B CN110056665 B CN 110056665B CN 201910366298 A CN201910366298 A CN 201910366298A CN 110056665 B CN110056665 B CN 110056665B
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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
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0218—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with only one sealing face
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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
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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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
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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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a middle cavity inner swing type fast opening and closing gate valve, which comprises a gate valve body, a gate valve cover, a driving valve rod and a gate valve middle cavity, wherein a gate valve seat is arranged above the gate valve body, a limiting movable groove is formed in the inner side of the gate valve seat, the driving valve rod penetrates through the gate valve cover, a movable connecting sleeve is arranged in the middle of the inner side of a rotating wheel, limiting clamping blocks are uniformly distributed at the lower end of the side of the movable connecting sleeve, a connecting tooth groove is formed in the lower portion of the gate valve cover, a second movable gate plate is arranged on the right side of the first movable gate plate, and a flexible graphite sealing gasket is arranged on the side surface of. This gate valve that middle chamber inner swing type was opened and close fast is provided with first movable flashboard and the second movable flashboard that carries out synchronous parallel swing and open and close, under the synchro-driven who connects the tooth's socket, makes things convenient for opening and close fast of device, and the spacing fixture block of movable connection cover can make things convenient for the flexibility of device spacing simultaneously, improves the practicality of device.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a middle cavity inner swing type quick opening and closing gate valve.
Background
The gate valve is opened and close through the flashboard activity in the perpendicular direction of fluid moving direction usually, come the full-open and the full-close of control flap, extensively be used for fields such as water conservancy and oil gas pipeline, make things convenient for nimble control connecting line to open and close, and current gate valve drives the screw drive through the outside hand wheel of valve body usually, lift up or put down the flashboard, thereby play the effect of opening or closing the pipeline, but when constantly rotating the hand wheel, staff's intensity of labour is very big, it is longer to consume time, the work efficiency is reduced, be not convenient for quick opening and closing of valve gate.
For example, the ball screw flat gate valve disclosed in chinese patent No. CN107255186A can flexibly transmit through a ball screw, but in the using process, the screw has a long rotating stroke, which is not convenient for the rapid and flexible opening and closing of the valve gate, and at the same time, the occupied space of the upper moving part is large, which affects the overall volume of the device, and the gate and the sealing surface are always kept in close contact, and there is no certain moving guide, and the continuous friction between the gate and the sealing surface not only causes the large opening and closing torque of the valve, but also accelerates the wear of the device, and the existing valve gate also lacks a certain self-limiting protection measure, which affects the use of the device,
aiming at the problems, the novel design is carried out on the basis of the original flat gate valve.
Disclosure of Invention
The invention aims to provide a gate valve capable of being opened and closed quickly in a swinging mode in a middle cavity, and aims to solve the problems that a flat gate valve is inconvenient to open and close quickly, is short of limiting protection, is large in valve rod part size and is inflexible to use in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a gate valve capable of being opened and closed quickly in a middle cavity inner swing type comprises a gate valve body, a gate valve cover, a driving valve rod and a gate valve middle cavity, wherein connecting flanges are arranged on the left side and the right side of the gate valve body, a gate valve seat is arranged above the gate valve body, a limiting movable groove is formed in the inner side of the gate valve seat, the gate valve cover is located above the gate valve seat, sealing filler is arranged on the inner side of the gate valve cover, a fixing nut is connected to the outer side of the gate valve cover, the driving valve rod penetrates through the gate valve cover, a rotating wheel is arranged above the driving valve rod, a movable connecting sleeve is arranged in the middle of the inner side of the rotating wheel, a connecting key is arranged on the inner side of the movable connecting sleeve, a connecting spring is connected to the upper end of the movable connecting sleeve, limiting clamping blocks are uniformly distributed at the lower end of, the top of driving valve rod is provided with movable handle, and drives the bottom of valve rod and be provided with connecting gear, the gate valve lumen is located the inside of gate valve body, and the middle part inboard of gate valve lumen is provided with lumen activity groove, the inside of lumen activity groove is provided with first movable flashboard, and the right side of first movable flashboard is provided with second movable flashboard, the side of second movable flashboard is provided with flexible graphite seal gasket, and the side surface evenly distributed of second movable flashboard has logical groove, the top of second movable flashboard is provided with the hem, and the side of second movable flashboard is along being provided with the laminating cambered surface, the inboard of lumen activity groove is provided with flexible graphite seal ring, and the side surface of flexible graphite seal ring is provided with the guide cambered surface.
Preferably, the limit movable groove is positioned above the middle cavity movable groove, the connecting tooth groove is arranged on the inner side of the limit movable groove to form a slidable structure, and the connecting tooth groove and the folded edge are of an integrated structure.
Preferably, the fixing nuts are uniformly distributed on the outer side of the gate valve cover, the gate valve cover and the gate valve seat are connected with each other through the fixing nuts, and sealing filler is arranged between the gate valve seat and the gate valve cover.
Preferably, a slidable structure is formed between the rotating wheel and the driving valve rod through a movable connecting sleeve, and the movable connecting sleeve and the driving valve rod are connected with each other through a connecting key.
Preferably, the movable connecting sleeve is connected with the top end of the driving valve rod through a connecting spring, and the bottom of the movable connecting sleeve is connected with the gate valve cover through a limiting clamping block and a limiting clamping groove to form a clamping groove.
Preferably, the movable handle comprises a movable rod, a supporting rotating shaft, a connecting movable shaft and a grab handle, the movable rod and the grab handle are of a welding integrated structure, and the middle part and the side lower part of the movable rod are respectively provided with the supporting rotating shaft and the connecting movable shaft.
Preferably, a rotatable structure is formed between the middle part of the movable rod and the top end of the driving valve rod through a supporting rotating shaft, and a rotatable structure is formed between the side lower end of the movable rod and the rotating wheel through a connecting movable shaft.
Preferably, the connecting gear and the connecting tooth grooves are in meshed connection, the left side and the right side of the connecting gear are both provided with the connecting tooth grooves, and the connecting gear is of a conical structure.
Preferably, the first movable gate plate and the second movable gate plate are both arranged on the inner side of the middle cavity movable groove to form a slidable structure, the first movable gate plate and the second movable gate plate are attached to each other through a flexible graphite sealing gasket, and the side faces of the first movable gate plate and the second movable gate plate are both provided with a through groove and a folded edge.
Preferably, the side edge of the second movable flashboard and the flexible graphite sealing washer are mutually attached through an attaching cambered surface and a guiding cambered surface, the side edges of the second movable flashboard and the first movable flashboard are respectively provided with an attaching cambered surface, and the first movable flashboard and the second movable flashboard are symmetrically arranged relative to the central line of the gate valve body.
Compared with the prior art, the invention has the beneficial effects that: the gate valve which can be opened and closed quickly and is internally swung in the middle cavity,
1. the movable handle is movably matched with the rotating wheel, and in the using process of the device, the movable handle is movably supported and connected through the supporting rotating shaft and the connecting movable shaft, so that the rotating wheel can be conveniently driven to flexibly and movably rotate, adjust and lift, and the rotating force arm of the device can be enlarged by the longer grab handle, so that the flexible operation of the device is facilitated;
2. the movable connecting sleeve capable of limiting movement is arranged, in the using process of the device, the limiting clamping of the limiting clamping block and the limiting clamping groove is matched, the movement of the driving valve rod can be limited conveniently after the device is adjusted in a rotating mode, the gate valve is prevented from rotating automatically, the safety of the device is improved, meanwhile, the movable connecting sleeve is matched with the movable handle and the connecting spring for use, the flexible adjustment and resetting of the joint of the limiting clamping block and the limiting clamping groove can be conveniently and directly achieved by pressing and rotating the movable handle, and the operation convenience of the device is improved;
3. the gate valve is provided with the first movable gate plate and the second movable gate plate which synchronously swing in parallel to open and close, in the using process of the device, the gaps of the through grooves which are arranged in a staggered mode between the first movable gate plate and the second movable gate plate are adjusted through horizontal swinging, the opening and closing of the gate valve can be conveniently and flexibly controlled, meanwhile, the first movable gate plate and the second movable gate plate can conveniently keep synchronous reverse movement by matching with flexible transmission of a connecting tooth groove and a connecting gear, the stroke is short, the device is convenient to open and close quickly, meanwhile, a long screw rod moving space is not needed, and the size of the device is reduced;
4. be provided with laminating cambered surface and guide cambered surface, in the use of device, through the laminating cambered surface on first movable flashboard and second movable flashboard side edge and flexible graphite seal ring's guide cambered surface relative slip, closely laminate when can be convenient for guide first movable flashboard and second movable flashboard closed, improve the leakproofness of device, effectively reduce the wearing and tearing of flexible graphite seal ring and the moment of opening of gate valve simultaneously, prolonged the life of valve, improve the practicality of device.
Drawings
FIG. 1 is a schematic cross-sectional front view of the present invention;
FIG. 2 is a side cross-sectional structural schematic view of the present invention;
FIG. 3 is a schematic top view of the gate valve seat of the present invention;
FIG. 4 is a schematic view of a gate valve body of the present invention in a top-down view;
FIG. 5 is an enlarged view of a portion a of FIG. 4 according to the present invention;
FIG. 6 is a schematic view of the bottom cross-section of the movable connecting sleeve of the present invention;
FIG. 7 is a schematic front view of the present invention;
FIG. 8 is a schematic side view of the present invention.
In the figure: 1. a gate valve body; 2. a connecting flange; 3. a gate valve seat; 4. a limiting movable groove; 5. a gate valve cover; 6. sealing and filling; 7. fixing a nut; 8. driving the valve rod; 9. a rotating wheel; 10. a movable connecting sleeve; 11. a connecting bond; 12. a connecting spring; 13. a limiting clamping block; 14. a limiting clamping groove; 15. connecting the tooth grooves; 16. a movable handle; 161. a movable rod; 162. a support shaft; 163. connecting a movable shaft; 164. a handle; 17. a connecting gear; 18. a gate valve middle cavity; 19. a middle cavity movable groove; 20. a first movable gate plate; 21. a second movable gate plate; 22. a flexible graphite sealing gasket; 23. a through groove; 24. folding edges; 25. fitting the cambered surface; 26. a flexible graphite sealing gasket; 27. and guiding the cambered surface.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a middle cavity inner swing type fast opening and closing gate valve comprises a gate valve body 1, a connecting flange 2, a gate valve seat 3, a limiting movable groove 4, a gate valve cover 5, sealing filler 6, a fixing nut 7, a driving valve rod 8, a rotating wheel 9, a movable connecting sleeve 10, a connecting key 11, a connecting spring 12, a limiting clamping block 13, a limiting clamping groove 14, a connecting tooth groove 15, a movable handle 16, a connecting gear 17, a gate valve middle cavity 18, a middle cavity movable groove 19, a first movable flashboard 20, a second movable flashboard 21, a flexible graphite sealing gasket 22, a through groove 23, a folded edge 24, a fitting cambered surface 25, a flexible graphite sealing gasket 26 and a guiding cambered surface 27, wherein the connecting flange 2 is arranged on the left side and the right side of the gate valve body 1, a gate valve seat 3 is arranged above the gate valve body 1, the limiting movable groove 4 is arranged on the inner side of the gate valve seat 3, the gate valve cover 5 is positioned above the gate valve seat, and the outside of the gate valve cover 5 is connected with a fixed nut 7, the driving valve rod 8 penetrates through the driving valve rod 5, a rotating wheel 9 is arranged above the driving valve rod 8, the middle part of the inner side of the rotating wheel 9 is provided with a movable connecting sleeve 10, the inner side of the movable connecting sleeve 10 is provided with a connecting key 11, the upper end of the movable connecting sleeve 10 is connected with a connecting spring 12, the lower end of the side of the movable connecting sleeve 10 is uniformly distributed with limit fixture blocks 13, the upper part of the middle part of the gate valve cover 5 is provided with a limit clamp groove 14, the lower part of the gate valve cover 5 is provided with a connecting tooth groove 15, the top end of the driving valve rod 8 is provided with a movable handle 16, the bottom end of the driving valve rod 8 is provided with a connecting gear 17, a gate valve middle cavity 18 is positioned inside the gate valve body 1, the middle inner side of the gate valve middle cavity 18 is provided with, the side of the second movable gate plate 21 is provided with a flexible graphite sealing gasket 22, through grooves 23 are uniformly distributed on the side surface of the second movable gate plate 21, a folded edge 24 is arranged above the second movable gate plate 21, a fitting cambered surface 25 is arranged on the side edge of the second movable gate plate 21, a flexible graphite sealing gasket 26 is arranged on the inner side of the middle cavity movable groove 19, and a guiding cambered surface 27 is arranged on the side surface of the flexible graphite sealing gasket 26.
The limiting movable groove 4 of the embodiment is positioned above the middle cavity movable groove 19, the connecting tooth groove 15 forms a slidable structure at the inner side of the limiting movable groove 4, and the connecting tooth groove 15 and the folding edge 24 are of an integrated structure, so that the transmission connection of the connecting tooth groove 15 is facilitated.
Fixing nut 7 evenly distributed is in the outside of gate valve lid 5, and through fixing nut 7 interconnect between gate valve lid 5 and the gate valve seat 3 to be provided with gland packing 6 between gate valve seat 3 and the gate valve lid 5, make things convenient for the sealed fixed mounting of device, 5 departments of gate valve lid need not the upper and lower free space of outflow screw rod simultaneously, reduce the volume of device.
The rotating wheel 9 and the driving valve rod 8 form a slidable structure through a movable connecting sleeve 10, and the movable connecting sleeve 10 and the driving valve rod 8 are connected with each other through a connecting key 11, so that the rotating wheel 9 can rotate flexibly and can be adjusted in a lifting mode conveniently.
The movable connecting sleeve 10 is connected with the top end of the driving valve rod 8 through a connecting spring 12, and the bottom of the movable connecting sleeve 10 and the gate valve cover 5 form a clamping groove connection through a limiting clamping block 13 and a limiting clamping groove 14, so that the movable connecting sleeve 10 is convenient to reset and clamp, and the adjustment activity of the device is convenient to flexibly limit.
The movable handle 16 comprises a movable rod 161, a support rotating shaft 162, a connecting movable shaft 163 and a grab handle 164, the movable rod 161 and the grab handle 164 are of a welding integrated structure, and the support rotating shaft 162 and the connecting movable shaft 163 are respectively arranged in the middle and below the side of the movable rod 161, so that flexible support adjustment of the movable handle 16 is facilitated.
A rotatable structure is formed between the middle part of the movable rod 161 and the top end of the driving valve rod 8 through the supporting rotating shaft 162, and a rotatable structure is formed between the side lower end of the movable rod 161 and the rotating wheel 9 through the connecting movable shaft 163, so that the rotating wheel 9 is driven to be flexibly adjusted through the rotating movement of the movable handle 16.
Connecting gear 17 and connecting between the tooth's socket 15 for the meshing connection, and connecting gear 17's the left and right sides all is provided with connecting tooth's socket 15, and connecting gear 17 is the toper structure, is convenient for connecting gear 17 and carries out synchronous drive to the connecting tooth's socket 15 of both sides simultaneously.
The first movable gate plate 20 and the second movable gate plate 21 both form a slidable structure on the inner side of the middle cavity movable groove 19, the first movable gate plate 20 and the second movable gate plate 21 are attached to each other through a flexible graphite sealing gasket 22, and the side surfaces of the first movable gate plate 20 and the second movable gate plate 21 are provided with a through groove 23 and a folding edge 24, so that the first movable gate plate 20 and the second movable gate plate 21 can be matched and moved conveniently.
The side edge of the second movable flashboard 21 and the flexible graphite sealing washer 26 are mutually attached through the attaching cambered surface 25 and the guiding cambered surface 27, the attaching cambered surfaces 25 are arranged on the side edges of the second movable flashboard 21 and the first movable flashboard 20, the first movable flashboard 20 and the second movable flashboard 21 are symmetrically arranged about the central line of the gate valve body 1, and the first movable flashboard 20 and the second movable flashboard 21 are convenient to move and keep attached and sealed.
The working principle is as follows: when the gate valve which swings in the middle cavity and is quickly opened and closed is used, according to the drawings of fig. 1-2 and fig. 6-8, the connecting flanges 2 on two sides of the gate valve body 1 can be connected with corresponding connecting pipelines, and then the gate valve can be used;
when the device needs to be opened and closed, as shown in fig. 1-5 and 7, the handle 164 can be held and pressed downward, so that the movable rod 161 rotates around the supporting rotating shaft 162, the supporting rotating shaft 162 can also perform certain displacement, and meanwhile, the lower end of the connecting movable shaft 163 drives the rotating wheel 9 to perform lifting adjustment, so that the movable connecting sleeve 10 slides up and down on the outer side of the driving rod 8, the limiting fixture block 13 is conveniently separated from the limiting fixture groove 14, and then the device can be rotationally adjusted by keeping the handle 164 pressed downward through the rotating wheel 9 and the movable handle 16;
according to fig. 1-5 and 7, when the rotating wheel 9 and the movable handle 16 are rotated, the connecting gear 17 can be driven to rotate by driving the driving valve rod 8, the connecting tooth grooves 15 on both sides of the connecting gear 17 can be synchronously engaged for transmission, and the moving directions of the connecting tooth grooves 15 on both sides are opposite, so that the first movable gate plate 20 and the second movable gate plate 21 below are driven to relatively move in the middle cavity movable groove 19, and the gate valve can be opened by adjusting the through grooves 23 on the first movable gate plate 20 and the second movable gate plate 21 to be aligned;
when the first movable gate plate 20 and the second movable gate plate 21 move in opposite directions, the fitting arc surface 25 of the side edge can also be fitted and guided with the guide arc surface 27 of the flexible graphite sealing gasket 26 in the middle cavity movable groove 19, so that the flexible graphite sealing gasket 22 and the flexible graphite sealing gasket 26 can be conveniently and tightly sealed, and after the device is adjusted, the movable connecting sleeve 10 can automatically reset under the action of the connecting spring 12, and is clamped and limited through the limiting clamping block 13 and the limiting clamping groove 14, which is the working principle of the gate valve which can be quickly opened and closed in a swinging manner in the middle cavity.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a quick gate valve of opening and close of mesocoele formula that interior pendulum-type, includes gate valve body (1), gate valve lid (5), drives valve rod (8) and gate valve mesocoele (18), its characterized in that: the gate valve comprises a gate valve body (1), wherein connecting flanges (2) are arranged on the left side and the right side of the gate valve body (1), a gate valve seat (3) is arranged above the gate valve body (1), a limiting movable groove (4) is arranged on the inner side of the gate valve seat (3), a gate valve cover (5) is arranged above the gate valve seat (3), sealing filler (6) is arranged on the inner side of the gate valve cover (5), a fixing nut (7) is connected on the outer side of the gate valve cover (5), a driving valve rod (8) penetrates through the gate valve cover (5), a rotating wheel (9) is arranged above the driving valve rod (8), a movable connecting sleeve (10) is arranged in the middle of the inner side of the rotating wheel (9), a connecting key (11) is arranged on the inner side of the movable connecting sleeve (10), the upper end of the movable connecting sleeve (10) is connected with a connecting spring (, the movable connecting sleeve (10) is connected with the top end of the driving valve rod (8) through a connecting spring (12), the bottom of the movable connecting sleeve (10) is connected with the gate valve cover (5) through a limiting clamping block (13) and a limiting clamping groove (14) to form a clamping groove connection, the limiting clamping groove (14) is formed in the upper portion of the middle of the gate valve cover (5), a connecting tooth groove (15) is formed in the lower portion of the gate valve cover (5), a movable handle (16) is arranged at the top end of the driving valve rod (8), a connecting gear (17) is arranged at the bottom end of the driving valve rod (8), the gate valve middle cavity (18) is located inside the gate valve body (1), a middle cavity movable groove (19) is formed in the inner side of the middle cavity (18), a first movable flashboard (20) is arranged inside the middle cavity movable groove (19), and a second movable flashboard (21) is arranged on the right side of the first movable flashboard, the side surface of the second movable flashboard (21) is provided with a flexible graphite sealing gasket (22), through grooves (23) are uniformly distributed on the side surface of the second movable gate plate (21), a folding edge (24) is arranged above the second movable gate plate (21), and the side edge of the second movable flashboard (21) is provided with a joint cambered surface (25), the inner side of the middle cavity movable groove (19) is provided with a flexible graphite sealing gasket (26), and the side surface of the flexible graphite sealing washer (26) is provided with a guide cambered surface (27), the first movable gate plate (20) and the second movable gate plate (21) both form a slidable structure on the inner side of the middle cavity movable groove (19), and the first movable gate plate (20) and the second movable gate plate (21) are mutually jointed through a flexible graphite sealing gasket (22), and the side surfaces of the first movable gate plate (20) and the second movable gate plate (21) are provided with a through groove (23) and a folded edge (24).
2. The gate valve of claim 1, wherein the gate valve comprises: the limiting movable groove (4) is positioned above the middle cavity movable groove (19), the connecting tooth groove (15) forms a slidable structure at the inner side of the limiting movable groove (4), and the connecting tooth groove (15) and the folding edge (24) are of an integrated structure.
3. The gate valve of claim 1, wherein the gate valve comprises: the gate valve is characterized in that the fixing nuts (7) are uniformly distributed on the outer side of the gate valve cover (5), the gate valve cover (5) and the gate valve seat (3) are connected with each other through the fixing nuts (7), and a sealing filler (6) is arranged between the gate valve seat (3) and the gate valve cover (5).
4. The gate valve of claim 1, wherein the gate valve comprises: but constitute sliding structure through activity adapter sleeve (10) between runner (9) and the drive valve rod (8), and pass through connecting key (11) interconnect between activity adapter sleeve (10) and the drive valve rod (8).
5. The gate valve of claim 1, wherein the gate valve comprises: the movable handle (16) comprises a movable rod (161), a supporting rotating shaft (162), a connecting movable shaft (163) and a grab handle (164), the movable rod (161) and the grab handle (164) are of a welding integrated structure, and the middle part and the lateral lower part of the movable rod (161) are respectively provided with the supporting rotating shaft (162) and the connecting movable shaft (163).
6. The gate valve of claim 5, wherein the gate valve comprises: a rotatable structure is formed between the middle of the movable rod (161) and the top end of the driving valve rod (8) through a supporting rotating shaft (162), and a rotatable structure is formed between the side lower end of the movable rod (161) and the rotating wheel (9) through a connecting movable shaft (163).
7. The gate valve of claim 1, wherein the gate valve comprises: the connecting gear (17) is in meshed connection with the connecting tooth grooves (15), the left side and the right side of the connecting gear (17) are provided with the connecting tooth grooves (15), and the connecting gear (17) is of a conical structure.
8. The gate valve of claim 1, wherein the gate valve comprises: the side of second movable flashboard (21) is followed and is laminated each other through laminating cambered surface (25) and guide cambered surface (27) between flexible graphite seal ring (26), and the side of second movable flashboard (21) and first movable flashboard (20) is followed and all is provided with laminating cambered surface (25) to first movable flashboard (20) and second movable flashboard (21) are placed about the central line symmetry of gate valve body (1) between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910366298.0A CN110056665B (en) | 2019-05-05 | 2019-05-05 | Gate valve that well intracavity formula of swinging opened and close fast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910366298.0A CN110056665B (en) | 2019-05-05 | 2019-05-05 | Gate valve that well intracavity formula of swinging opened and close fast |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110056665A CN110056665A (en) | 2019-07-26 |
| CN110056665B true CN110056665B (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910366298.0A Active CN110056665B (en) | 2019-05-05 | 2019-05-05 | Gate valve that well intracavity formula of swinging opened and close fast |
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| CN105370903A (en) * | 2015-11-19 | 2016-03-02 | 重庆瑞霆塑胶有限公司 | One-way valve used for injecting device |
| CN207213210U (en) * | 2017-08-25 | 2018-04-10 | 天津滨海国机阀门有限公司 | A kind of Novel fire fighting valve |
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2019
- 2019-05-05 CN CN201910366298.0A patent/CN110056665B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU681280A1 (en) * | 1977-01-11 | 1979-08-25 | Предприятие П/Я Г-4371 | Gate |
| CN101046257A (en) * | 2006-03-31 | 2007-10-03 | 杨清强 | Fast valve specially for fire flighting |
| RU2353842C1 (en) * | 2007-07-16 | 2009-04-27 | Открытое акционерное общество "НПО "Промавтоматика" | Regulator |
| CN105090583A (en) * | 2015-08-21 | 2015-11-25 | 重庆市龙佰绪生态农业开发有限公司 | Water pipe connecting valve |
| CN105370903A (en) * | 2015-11-19 | 2016-03-02 | 重庆瑞霆塑胶有限公司 | One-way valve used for injecting device |
| CN207213210U (en) * | 2017-08-25 | 2018-04-10 | 天津滨海国机阀门有限公司 | A kind of Novel fire fighting valve |
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| CN110056665A (en) | 2019-07-26 |
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