CN218344394U - Full-sealed manual gate valve device - Google Patents
Full-sealed manual gate valve device Download PDFInfo
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- CN218344394U CN218344394U CN202223381199.6U CN202223381199U CN218344394U CN 218344394 U CN218344394 U CN 218344394U CN 202223381199 U CN202223381199 U CN 202223381199U CN 218344394 U CN218344394 U CN 218344394U
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- rotating shaft
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Abstract
The utility model relates to a full-sealing manual gate valve device, a gate frame is vertically arranged on the cross section of a chute main body, and a roller train is arranged inside two sides of the gate frame in parallel with the gate frame; a flashboard is arranged above the roller group; the flashboard can move smoothly along the direction of the roller group; the rotating shaft is arranged in the middle of the gate frame and is vertical to the gate frame; a gear, a ratchet wheel and a hand wheel are coaxially arranged on the rotating shaft from inside to outside in sequence; the gear is in toothed connection with a rack arranged at the lower end of the flashboard; the ratchet wheel is matched with a pawl arranged on the outer side of the gate frame, and the rotation of the ratchet wheel is limited so as to limit the movement of the flashboard. The utility model discloses the scheme, rational in infrastructure, stable form are good, and the fault rate is low. The opening degree of the gate can be accurately controlled. The whole is totally sealed, the dust is not leaked, the sealing effect is good, and the environmental protection performance is high. The whole mechanical structure is low in cost.
Description
Technical Field
The utility model relates to a technical field is carried to the material, especially relates to a totally enclosed manual push-pull valve device.
Background
The manual gate valve is also called a manual knife gate valve and is used as main control equipment. The method is widely applied to industries such as metallurgy, carbon, chemical engineering, building materials and the like.
The manual gate valve is often used with a discharging device or a storage bin in a matched manner, the manual spiral gate valve is simple and easy to install by adopting flange connection, a feed port and a discharge port are square and circular, dozens of specifications are provided according to the caliber, and the manual spiral gate valve is widely applied to industries such as metallurgy, carbon, chemical engineering, building materials and the like. The manual gate valve has the advantages of simple and compact structure, reasonable design, reliable sealing, light and flexible operation, small volume, smooth channel, small resistance, easy installation, easy disassembly and the like, and the manual spiral gate valve can be horizontally installed or vertically installed and has the characteristics of abrasion resistance, long service life of automatic compensation function and the like. Each transmission part of the manual gate valve is required to be regularly checked in the normal use process, and lubricating oil is added for maintenance.
The existing manual gate valve generally comprises a chute main body, a gate frame, a roller group, a gate board, a rack, a gear, a rotating shaft and a hand wheel. The gate frame is installed on the chute main body, the roller train is installed on the gate frame, the rack is installed on the flashboard, the gear and the hand wheel are installed on the rotating shaft, the rack and the gear are meshed with each other, and the chute main body is connected with upstream equipment through a flange. An operator rotates the hand wheel by hand to drive the gear to rotate, the gear is meshed with the rack to drive the rack to move, thereby driving the flashboard to slide on the roller train, the opening degree of the flashboard is controlled. The structure is loose, and the control accuracy is low. The crossed part of the chute main body and the flashboard is not sealed, a larger gap is formed, and the on-site material dust overflows obviously and is not environment-friendly.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical problem existing in the prior art, the utility model provides a full-sealed manual gate valve device.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a fully sealed manual gate valve assembly comprising:
a chute main body, a gate frame, a roller group, a flashboard, a rack, a gear, a rotating shaft, a hand wheel, a ratchet wheel and a pawl, wherein,
the gate framework is vertically arranged on the cross section of the chute main body, and the roller groups are arranged inside two sides of the gate framework in parallel with the gate framework; a flashboard is arranged above the roller group; the flashboard can move smoothly along the direction of the roller group;
the rotating shaft is arranged in the middle of the gate frame and is vertical to the gate frame; a gear, a ratchet wheel and a hand wheel are coaxially arranged on the rotating shaft from inside to outside in sequence; the gear is in toothed connection with a rack arranged at the lower end of the flashboard; the ratchet wheel is matched with a pawl arranged on the outer side of the gate frame, and the rotation of the ratchet wheel is limited so as to limit the movement of the flashboard.
The device also comprises a sealing cover arranged in the middle of the gate frame, and the gear and the flashboard moving part are arranged in the sealing cover.
The sealing cover comprises an upper cover body and a lower cover body, wherein,
the upper cover body wraps the gate frame, the roller group, the flashboard and the rack, and the lower cover body is matched to seal the gear and the rotating shaft.
The sealing cover further comprises a bolt and a corresponding nut, and the upper cover body and the lower cover body are connected through the bolt matched with the nut.
The sealing cover also comprises a sealing cover which seals the mounting gap on the lower cover body.
The sealing cover is made of rubber or rigid material.
The sealing cover further comprises a butterfly nut used for pressing and fixing the sealing skin.
The hand wheel set up in the top of pivot can drive the pivot rotation rotates.
The number of the hand wheels is two, and the two hand wheels are oppositely arranged at two ends of the rotating shaft.
The ratchet direction of the pawl is opposite to that of the ratchet wheel and is set according to the rotating direction of the rotating shaft.
The beneficial effects of the utility model are that:
in each embodiment of the utility model, the gate frame is vertically arranged on the cross section of the chute main body, and the roller groups are arranged inside two sides of the gate frame in parallel with the gate frame; a flashboard is arranged above the roller group; the flashboard can move smoothly along the direction of the roller group; the rotating shaft is arranged in the middle of the gate frame and is vertical to the gate frame; a gear, a ratchet wheel and a hand wheel are coaxially arranged on the rotating shaft from inside to outside in sequence; the gear is in toothed connection with a rack arranged at the lower end of the flashboard; the ratchet wheel is matched with a pawl arranged on the outer side of the gate frame, and the rotation of the ratchet wheel is limited so as to limit the movement of the flashboard. Still include the sealed cowling, set up in gate frame middle part, gear and picture peg flashboard removal part all set up inside the sealed cowling. The sealing cover comprises an upper cover body and a lower cover body, wherein the upper cover body wraps the gate frame, the roller group, the flashboard and the rack, and the lower cover body is matched to seal the gear and the rotating shaft.
The utility model discloses the scheme, the structure is reasonable relatively, and whole stable form is good, and the operation fault rate is low. The rotation of the ratchet wheel can be accurately limited through the matching of the ratchet wheel and the pawl, so that the movement precision of the flashboard can be limited, and the opening degree of the gate can be accurately controlled. The main movable structure is integrally sealed by the sealing cover, so that dust is not easy to leak, and the integral sealing effect is good.
Drawings
Fig. 1 is one of schematic structural diagrams of a fully-sealed manual gate valve device provided by an embodiment of the present invention.
Fig. 2 is a second schematic structural view of a fully sealed manual gate valve device according to an embodiment of the present invention.
Fig. 3 is a schematic view of the installation positions of the ratchet and the pawl of the fully-sealed manual gate valve device provided by the embodiment of the present invention.
Fig. 4 is a schematic view of a mounting position of the sealing cover according to an embodiment of the present invention.
Fig. 5 is a second schematic view of the installation position of the sealing cover according to the embodiment of the present invention.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
The on-site problem that combines prior art to appear, the totally enclosed manual push-pull valve device that this embodiment provided has made the innovative design on the basis of current push-pull valve device.
The present embodiment provides a fully-sealed manual gate valve device, as shown in fig. 1 and 2, including:
a chute main body 1, a gate frame 2, a roller group 3, an inserting plate flashboard 4, a rack 5, a gear 6, a rotating shaft 7, a hand wheel 8, a ratchet wheel 9 and a pawl 10, wherein,
the gate frame 2 is vertically arranged on the cross section of the chute main body 1, and the roller groups 3 are arranged inside two sides of the gate frame 2 in parallel with the gate frame 2; a flashboard 4 is arranged above the roller group 3; the flashboard 4 can move smoothly along the direction of the roller group 3;
the rotating shaft 7 is arranged in the middle of the gate frame 2 and is vertical to the gate frame 2; a gear 6, a ratchet wheel 9 and a hand wheel 8 are coaxially arranged on the rotating shaft 7 from inside to outside in sequence; the gear 6 is in toothed connection with a rack 5 arranged at the lower end of the flashboard 4; the ratchet 9 cooperates with a pawl 10 arranged outside the gate frame 2, limiting the rotation of the ratchet 9 and thus the movement of the gate shutter 4.
The device also comprises a sealing cover 11 which is arranged in the middle of the gate frame 2, and the gear 6 and the moving part of the flashboard 4 are both arranged in the sealing cover 11.
The sealing cap 11 comprises an upper cap body 12 and a lower cap body 13, wherein,
the upper cover body 12 wraps the gate frame 2, the roller group 3, the flashboard 4 and the rack 5, and the gear 6 and the rotating shaft 7 are sealed by matching with the lower cover body 13.
The sealing cover 11 further comprises a bolt 15 and a corresponding nut, and the upper cover body 12 and the lower cover body 13 are connected through the bolt 15 and the nut.
The sealing cover 11 further includes a sealing cover 14 for sealing the mounting space of the lower cover 13.
The sealing layer 14 is made of rubber or rigid material.
The sealing boot 11 further comprises a wing nut 16 for pressing and fixing the sealing boot 14.
The hand wheel 8 is arranged at the top end of the rotating shaft 7 and can drive the rotating shaft 7 to rotate.
The number of the hand wheels 8 is two, and the two hand wheels are oppositely arranged at two ends of the rotating shaft 7.
The ratchet direction of the pawl 10 is opposite to the ratchet direction of the ratchet wheel 9 and is set according to the rotation direction of the rotating shaft 7.
In this embodiment, the main structure of the fully-sealed manual gate valve is shown in fig. 1 and fig. 2, and includes a chute body, a gate frame, a roller group, a gate board, a rack, a gear, a rotating shaft, a hand wheel, a ratchet, a pawl, and a sealing cover. A gate frame is arranged on the chute main body, a roller group and a pawl are arranged on the gate frame, a rack is arranged on the flashboard, the rotating shaft is provided with a gear, a hand wheel and a ratchet wheel, the rack is meshed with the gear, and the chute main body is connected with upstream equipment through a flange. An operator rotates the hand wheel by hand to drive the gear to rotate, the gear is meshed with the rack to drive the rack to move, and then the flashboard is driven to slide on the roller train.
The installation positions of the ratchet wheel and the pawl are shown in fig. 3, when the flashboard is opened to a required degree, the pawl on the flashboard frame is put down to catch the ratchet wheel, so that the rotating shaft stops rotating, the flashboard stops moving, and the opening degree of the flashboard is accurately controlled.
The part that intersects at chute main part and picture peg flashboard is provided with the sealed cowling part, seals whole picture peg flashboard removal region, makes the dust of material can not leak, reaches the environmental protection requirement. The main structure of the sealing cover is shown in fig. 4 and 5, and the sealing cover comprises an upper cover body, a lower cover body, a sealing cover, a bolt, a nut and a butterfly nut. The upper cover body wraps the gate frame, the roller group, the flashboard and the rack, and the lower cover body is matched to seal the gear and the rotating shaft, so that the whole area is sealed. The upper cover body and the lower cover body are connected by bolts and nuts, and a sealing cover is arranged between the lower cover body and the rotating shaft. The sealing strip is made of rubber, the mounting gap on the lower cover body is sealed, the sealing strip is tightly pressed by a butterfly nut and is operated by hands, and the sealing strip is convenient and quick.
The sealing cover part prevents dust from leaking when materials flow through the chute main body, and a good sealing effect is achieved, so that the whole gate becomes a fully-sealed environment-friendly manual gate.
In each embodiment of the utility model, the gate frame 2 is vertically installed on the cross section of the chute main body 1, and the roller group 3 is arranged inside two sides of the gate frame 2 in parallel with the gate frame 2; an inserting plate gate 4 is arranged above the roller group 3; the flashboard 4 can move smoothly along the direction of the roller group 3; the rotating shaft 7 is arranged in the middle of the gate frame 2 and is vertical to the gate frame 2; a gear 6, a ratchet wheel 9 and a hand wheel 8 are coaxially arranged on the rotating shaft 7 from inside to outside in sequence; the gear 6 is in toothed connection with a rack 5 arranged at the lower end of the flashboard 4; the ratchet 9 cooperates with a pawl 10 arranged outside the gate frame 2, limiting the rotation of the ratchet 9 and thus the movement of the gate shutter 4.
The utility model discloses the scheme, rational in infrastructure, the stable form is good, and the fault rate is low. The opening degree of the gate can be accurately controlled. The whole is totally sealed, the dust does not leak, the sealing effect is good, and the environmental protection performance is high. The full mechanical structure, it is with low costs.
In the description of the present invention, it should be noted that the terms "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. The utility model provides a totally enclosed manual push-pull valve device which characterized in that includes:
a chute main body, a gate frame, a roller group, a flashboard, a rack, a gear, a rotating shaft, a hand wheel, a ratchet wheel and a pawl, wherein,
the gate framework is vertically arranged on the cross section of the chute main body, and the roller groups are arranged inside two sides of the gate framework in parallel with the gate framework; a flashboard is arranged above the roller group; the flashboard can move smoothly along the direction of the roller group;
the rotating shaft is arranged in the middle of the gate frame and is vertical to the gate frame; a gear, a ratchet wheel and a hand wheel are coaxially arranged on the rotating shaft from inside to outside in sequence; the gear is in toothed connection with a rack arranged at the lower end of the flashboard; the ratchet wheel is matched with a pawl arranged on the outer side of the gate frame, and the rotation of the ratchet wheel is limited so as to limit the movement of the flashboard;
still include the sealed cowling, set up in gate frame middle part, gear and picture peg flashboard removal part all set up inside the sealed cowling.
2. A fully sealed manual gate valve assembly as claimed in claim 1 wherein said seal housing includes an upper housing, a lower housing, wherein,
the upper cover body wraps the gate frame, the roller group, the flashboard and the rack, and the lower cover body is matched to seal the gear and the rotating shaft.
3. The fully sealed manual gate valve device according to claim 2, wherein the sealing cover further comprises a bolt and a corresponding nut, and the upper cover body and the lower cover body are connected by the bolt and the nut in a matching manner.
4. A fully sealed manual gate valve assembly as claimed in claim 3 wherein said sealing closure further includes a sealing closure for sealing said mounting gap in said lower closure body.
5. A totally enclosed manual gate valve assembly as claimed in claim 4, wherein said sealing jacket is of rubber or rigid material.
6. A fully sealed manual gate valve assembly as claimed in claim 5 wherein said sealing cap further includes a wing nut for pressing said sealing skin into position.
7. The fully-sealed manual gate valve device as claimed in claim 1, wherein the hand wheel is arranged at the top end of the rotating shaft and can drive the rotating shaft to rotate.
8. A fully sealed manual gate valve device according to claim 7, wherein two hand wheels are arranged at two ends of the rotating shaft in an opposite mode.
9. A fully sealed manual gate valve assembly as claimed in claim 1 wherein the ratchet direction of said pawl is opposite to the ratchet direction of said ratchet wheel and is set in accordance with the direction of rotation of said shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223381199.6U CN218344394U (en) | 2022-12-16 | 2022-12-16 | Full-sealed manual gate valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223381199.6U CN218344394U (en) | 2022-12-16 | 2022-12-16 | Full-sealed manual gate valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218344394U true CN218344394U (en) | 2023-01-20 |
Family
ID=84899539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223381199.6U Active CN218344394U (en) | 2022-12-16 | 2022-12-16 | Full-sealed manual gate valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218344394U (en) |
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2022
- 2022-12-16 CN CN202223381199.6U patent/CN218344394U/en active Active
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