CN211474989U

CN211474989U - Gate valve for coke workshop

Info

Publication number: CN211474989U
Application number: CN201922043956.0U
Authority: CN
Inventors: 李修伦; 王灵斌; 王健
Original assignee: Shandong Haoyu Energy Co ltd
Current assignee: Shandong Haoyu Energy Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-09-11
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a gate valve for coal coke workshop, including valve body, interface, locking board, set screw, cavity, fixed block, hand wheel, steel nut, valve rod assembly, case, snap ring, limiting plate and long screw, the both sides fixed mounting of valve body has the interface, the top fixed mounting of valve body has the locking board, the inside fixed mounting of locking board has set screw, the top fixed mounting of locking board has the cavity, the top fixed mounting of cavity has the fixed block, the inside swing joint of fixed block has the hand wheel, the inside fixed mounting of fixed block has steel nut. The utility model discloses a snap ring that sets up in the inside of cavity makes this a gate valve for coke workshop when maintaining, and the case can not be ejecting because pressure, makes this a gate valve for coke workshop through the valve rod assembly who sets up, and the case can not follow valve rod assembly and rotate together when using, greatly reduced its wearing and tearing volume.

Description

Gate valve for coke workshop

Technical Field

The utility model relates to a gate valve technical field specifically is a gate valve for coke workshop.

Background

The gate valve is a shutter, the movement direction of the shutter is vertical to the fluid direction, and the gate valve can only be fully opened and fully closed and 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 valve and an elastic gate valve according to the difference of the gate plate, and the gate plate of the gate valve linearly moves along with the valve rod, which is also called a rising stem gate valve. Usually, the lifting rod is provided with trapezoidal threads, and the rotating motion is changed into the linear motion, namely the operation torque is changed into the operation thrust force through a nut at the top end of the valve and a guide groove on the valve body.

The existing gate valve for the coke workshop causes corrosion and defect of a connecting part of a valve rod and a valve core due to corrosion, damage and other reasons in the use process, the valve rod fails to close or open the valve core, the gate valve is usually replaced by the problems, but the gate valve cannot stop due to the fact that the gate valve is mounted on various pipelines, the problems of delay in maintenance, incapability of eliminating defects, uncontrollable medium flow and the like are caused, the valve core can rotate along with the valve rod in the opening and closing process of the gate valve, and accordingly the valve core is abraded and the airtightness is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gate valve for coke workshop to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a gate valve for a coke workshop comprises a valve body, a connector, a locking plate, a fixing screw, a cavity, a fixing block, a hand wheel, a steel nut, a valve rod component, a valve core, a clamping ring, a limiting plate and a long screw, the two sides of the valve body are fixedly provided with interfaces, the top of the valve body is fixedly provided with a locking plate, the locking plate is internally and fixedly provided with a fixing screw, the top of the locking plate is fixedly provided with a cavity, a fixed block is fixedly arranged at the top of the cavity, a hand wheel is movably connected inside the fixed block, a steel nut is fixedly arranged inside the fixed block, a valve rod assembly is fixedly arranged at the bottom of the hand wheel, the valve comprises a valve body and is characterized in that a valve core is movably connected inside the valve body, a snap ring is fixedly mounted inside the cavity, a limiting plate is fixedly mounted at the top of the valve core, and a long screw is fixedly mounted inside the limiting plate.

The valve rod assembly comprises an external threaded sleeve rod, a limiting block, an internal connecting rod and a sliding groove, the external threaded sleeve rod is fixedly mounted at the bottom of the hand wheel, the limiting block is fixedly mounted inside the external threaded sleeve rod, the internal connecting rod is arranged on one side, opposite to the limiting block, of the internal connecting rod, and the sliding groove is formed in the surface of the internal connecting rod.

Preferably, the top of the valve body and the bottom of the cavity are both fixedly provided with locking plates, and the locking plates are fixedly arranged through fixing screws.

Preferably, the steel nut is fixedly installed inside the fixing block, and the surface of the external threaded sleeve rod is provided with threads matched with the steel nut.

Preferably, the inside of valve body is seted up with the draw-in groove of snap ring looks adaptation, and draw-in groove and snap ring all set up the top at the case.

Preferably, the mounting holes matched with the long screws are formed in the limiting plate and the inner connecting rod.

Preferably, the valve core is movably connected with the external thread sleeve rod through a limiting plate, a long screw and an internal connecting rod.

Compared with the prior art, the beneficial effects of the utility model are that: this a gate valve for coal coke workshop, make this a gate valve for coal coke workshop when maintaining through the snap ring that sets up in the inside of cavity, the case can not be ejecting because of pressure, thereby can not cause the maintenance to delay, the defect can't be eliminated, difficult problems such as medium flow is uncontrollable, valve rod assembly through setting up makes this a gate valve for coal coke workshop, the case can not follow valve rod assembly and rotate together when using, greatly reduced its wearing and tearing volume, practicality greatly increased, wide development space and higher spreading value have.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic structural view of the valve stem assembly of the present invention;

fig. 4 is a schematic view of the snap ring structure of the present invention.

In the figure: 1. a valve body; 2. an interface; 3. a locking plate; 4. a set screw; 5. a cavity; 6. a fixed block; 7. a hand wheel; 8. a steel nut; 9. a valve stem assembly; 901. a threaded rod; 902. a limiting block; 903. an inner connecting rod; 904. a chute; 10. a valve core; 11. a snap ring; 12. a limiting plate; 13. a long screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a gate valve for a coke workshop comprises a valve body 1, an interface 2, a locking plate 3, a fixing screw 4, a cavity 5, a fixing block 6, a hand wheel 7, a steel nut 8, a valve rod assembly 9, a valve core 10, a clamping ring 11, a limiting plate 12 and a long screw 13, wherein the interfaces 2 are fixedly arranged on two sides of the valve body 1, the locking plate 3 is fixedly arranged on the top of the valve body 1, the fixing screw 4 is fixedly arranged in the locking plate 3, the cavity 5 is fixedly arranged on the top of the locking plate 3, the locking plates 3 are fixedly arranged on the top of the valve body 1 and the bottom of the cavity 5, the locking plates 3 are fixedly arranged through the fixing screw 4, the fixing block 6 is fixedly arranged on the top of the cavity 5, the hand wheel 7 is movably connected in the fixing block 6, the steel nut 8 is fixedly arranged in the fixing block 6, the valve rod assembly 9 is fixedly arranged on the bottom, cavity 5's inside fixed mounting has snap ring 11, the draw-in groove with 11 looks adaptations of snap ring is seted up to valve body 1's inside, and draw-in groove and snap ring 11 all set up the top at case 10, case 10's top fixed mounting has limiting plate 12, limiting plate 12's inside fixed mounting has long screw 13, limiting plate 12's inside and inside connecting rod 903 all offer the mounting hole with long screw 13 looks adaptations, this a gate valve for coke workshop, snap ring 11 through setting up at cavity 5's inside makes this a gate valve for coke workshop when maintaining, case 10 can not be because pressure and is ejecting, thereby can not cause the maintenance delay, the defect can't be eliminated, difficult problems such as medium flow uncontrollable.

The valve rod assembly 9 comprises an external thread sleeve rod 901, a limiting block 902, an internal connecting rod 903 and a sliding groove 904, the external thread sleeve rod 901 is fixedly installed at the bottom of the hand wheel 7, the steel nut 8 is fixedly installed inside the fixed block 6, the surface of the external thread loop bar 901 is provided with a thread matched with the steel nut 8, the inside of the external thread loop bar 901 is fixedly provided with a limit block 902, one side opposite to the limit block 902 is provided with an internal connecting rod 903, the valve core 10 is movably connected with the external thread loop bar 901 through a limit plate 12, a long screw 13 and the internal connecting rod 903, the surface of the internal connecting rod 903 is provided with a sliding chute 904, the gate valve for the coke workshop is realized by the valve rod component 9, when in use, the valve core 10 can not rotate along with the valve rod component 9, thereby greatly reducing the abrasion loss, greatly increasing the practicability, and having wide development space and higher popularization value.

The working principle is as follows: when overhauing, utilize the effect that blocks of snap ring 11, make the pressure of medium can't be ejecting with case 10 in the pipeline, case 10 is in the closed condition all the time, on this basis, as long as unpack apart the locking plate 3 of valve, unpack out in the lump together with valve rod assembly 9, repair the transformation to the tip of valve rod assembly 9, repair the tie point of valve rod assembly 9 and case 10, make valve rod assembly 9 resume the effect of controlling case 10, at the in-process that the gate valve opened and shut, it realizes to drive outside screw sleeve pole 901 through hand wheel 7, because stopper 902 and spout 904's effect, make inside connecting rod 903 can not follow outside screw sleeve pole 901 and rotate, thereby effectively avoided case 10 to cause wearing and tearing owing to rotating.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or scope of the present invention. Accordingly, the embodiments of the present invention are exemplary, and not limiting. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a gate valve for coal coke workshop, includes valve body (1), interface (2), locking plate (3), set screw (4), cavity (5), fixed block (6), hand wheel (7), steel nut (8), valve rod assembly (9), case (10), snap ring (11), limiting plate (12) and long screw (13), its characterized in that: the two sides of the valve body (1) are fixedly provided with the interfaces (2), the top of the valve body (1) is fixedly provided with the locking plate (3), a fixing screw (4) is fixedly arranged inside the locking plate (3), a cavity (5) is fixedly arranged at the top of the locking plate (3), a fixed block (6) is fixedly arranged at the top of the cavity (5), a hand wheel (7) is movably connected inside the fixed block (6), a steel nut (8) is fixedly arranged inside the fixed block (6), a valve rod assembly (9) is fixedly arranged at the bottom of the hand wheel (7), a valve core (10) is movably connected inside the valve body (1), a snap ring (11) is fixedly arranged inside the cavity (5), a limiting plate (12) is fixedly mounted at the top of the valve core (10), and a long screw (13) is fixedly mounted inside the limiting plate (12);

the valve rod assembly (9) comprises an external thread sleeve rod (901), a limiting block (902), an internal connecting rod (903) and a sliding groove (904), the bottom of the hand wheel (7) is fixedly provided with the external thread sleeve rod (901), the limiting block (902) is fixedly arranged inside the external thread sleeve rod (901), the internal connecting rod (903) is arranged on one side, opposite to the limiting block (902), of the internal connecting rod (903), and the sliding groove (904) is formed in the surface of the internal connecting rod (903).

2. A gate valve for a char plant according to claim 1, wherein: the top of the valve body (1) and the bottom of the cavity (5) are fixedly provided with locking plates (3), and the locking plates (3) are fixedly arranged through fixing screws (4).

3. A gate valve for a char plant according to claim 1, wherein: the steel nut (8) is fixedly installed inside the fixing block (6), and threads matched with the steel nut (8) are formed in the surface of the external thread sleeve rod (901).

4. A gate valve for a char plant according to claim 1, wherein: the valve is characterized in that a clamping groove matched with the clamping ring (11) is formed in the valve body (1), and the clamping groove and the clamping ring (11) are arranged at the top of the valve core (10).

5. A gate valve for a char plant according to claim 1, wherein: and mounting holes matched with the long screws (13) are formed in the limiting plate (12) and the inner connecting rod (903).

6. A gate valve for a char plant according to claim 1, wherein: the valve core (10) is movably connected with the external thread sleeve rod (901) through a limiting plate (12), a long screw (13) and an internal connecting rod (903).