CN215568035U

CN215568035U - Three-purpose non-rising stem gate valve with square cap and electric fitting flange

Info

Publication number: CN215568035U
Application number: CN202121734502.9U
Authority: CN
Inventors: 张光明; 张志林; 张凌兵; 张志成
Original assignee: Tongling Rong Jing Technology Co ltd
Current assignee: Tongling Rong Jing Technology Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-01-18
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses a three-purpose non-rising stem gate valve with a square cap and an electric fitting flange, which relates to the technical field of pipeline elements and comprises a valve body, a valve cover, an inner hexagon screw and a flat key, wherein the top of the valve body is fixed with the valve cover through the inner hexagon screw; according to the utility model, the gland is fixed to the top of the valve cover, when the gate valve needs to be manually installed, the square cap is detached, so that the operation of workers is facilitated, unnecessary loss caused by untimely valve closing due to complicated hand wheel installation when the valve needs to be manually closed when the electric valve closing fails is avoided, and then the extension bar is conveniently connected to the square cap by the workers through the fastening screw arranged on the square cap, so that the adjustment of the hidden bar gate valve with a deviated position is facilitated.

Description

Three-purpose non-rising stem gate valve with square cap and electric fitting flange

Technical Field

The utility model relates to the technical field of pipeline elements, in particular to a three-purpose non-rising stem gate valve with a square cap and an electric fitting flange.

Background

The hidden rod gate valve is called a rotary rod gate valve, a rotary nut of the hidden rod gate valve is arranged on a gate plate, a hand wheel rotates to drive a valve rod to rotate, so that the gate plate is lifted, generally, trapezoidal threads are arranged at the bottom end of the valve rod, the rotary motion of the valve rod is changed into linear motion through the threads at the bottom end of the valve and a guide groove on a valve clack, namely, operation torque is changed into operation thrust, so that a fluid channel is completely unblocked when the valve is opened;

however, in the prior art, the non-rising stem manual gate valve and the non-rising stem electric gate valve cannot be used universally, and the market demand is difficult to meet;

to this end, we propose a three-way blind-stem gate valve with a square cap and an electric flange.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a three-purpose non-rising stem gate valve with a square cap and an electric flange, which aims to solve the problems that a non-rising stem manual gate valve and a non-rising stem electric gate valve which are proposed in the background art cannot be commonly used and adjustment and connection of the non-rising stem gate valve are complicated.

In order to achieve the purpose, the utility model provides the following technical scheme:

a three-purpose non-rising stem gate valve with a square cap and an electric fitting flange comprises a valve body, a valve cover, an inner hexagonal screw and a flat key, wherein the top of the valve body is fixed with the valve cover through the inner hexagonal screw;

a gland is fixed at the top of the valve cover through a hexagon socket head cap screw, a positioning groove is formed in the valve rod, a positioning ring is installed at the joint of the valve cover and the positioning groove, thrust bearings are symmetrically installed on the valve cover on two sides of the positioning ring, and the positioning ring is correspondingly clamped with the positioning groove;

the one end of valve rod runs through the gland and rotates with the gland to be connected, flat slot has been seted up to top one side of valve rod, and the opposite side of valve rod has seted up tight fixed groove, the top cover of valve rod is equipped with the square cap, and the inner wall of square cap has seted up the square slot, the square slot passes through flat key looks joint with tight fixed groove, install holding screw on the square cap, and the tight fixed groove of holding screw and valve rod one side corresponds the joint.

Further, O type circle is installed with the junction of valve body in the valve rod top, O type circle is installed with the junction of valve rod to the gland, the gland is equipped with the dust ring with the junction of valve rod and the top cover that is located O type circle.

Further, rings are symmetrically installed on two sides of the top of the valve cover, and plugs are installed on the top of the valve cover.

Furthermore, the junction of valve gap and valve body installs well mouthful pad, install the valve plate in the valve body, and the top that is located the valve plate is fixed with swivel nut through spot welding, swivel nut corresponds the meshing with the valve rod and is connected.

Furthermore, an electric fitting flange is fixed to the top of the valve cover through an inner hexagon screw, and the joint of the electric fitting flange and the valve cover is sealed through an O-shaped ring.

Compared with the prior art, the utility model has the beneficial effects that:

the gland is fixed to the top of the valve cover, when the gate valve needs to be installed by a hand wheel, the square cap can be detached, and unnecessary loss caused by the fact that when the electric valve closing fails, the manual valve closing is needed but the hand wheel is complicated to install and the valve closing is not in time is avoided; the fastening screw arranged on the square cap is convenient for workers to connect the extension bar on the square cap, so that the blind rod gate valve with a more deviated position can be conveniently adjusted; and finally, electric control is realized through the electric fitting flange arranged on the valve cover, so that excessive manpower participation is avoided, through electric control, the precision is higher, the reaction is quicker, and the non-rising stem gate valve can be uninterruptedly controlled within twenty-four hours, so that the whole operation of the non-rising stem gate valve is more convenient.

Drawings

FIG. 1 is a schematic view of an overall half-side cross-sectional structure of the present invention;

FIG. 2 is an enlarged view of the structure at A of the present invention;

FIG. 3 is a schematic view of the connection structure of the gland and the gate valve of the present invention;

FIG. 4 is a schematic view of the connection structure of the electrical flange and the gate valve of the present invention;

FIG. 5 is a schematic view of the square cap structure of the present invention;

FIG. 6 is a schematic view of an electrical flange according to the present invention;

FIG. 7 is a schematic view of the valve stem construction of the present invention;

fig. 8 is a schematic view of the gland structure of the present invention.

In the figure: 1. a valve body; 2. a valve plate; 3. rotating the nut; 4. a valve stem; 5. a middle mouth pad; 6. a valve cover; 7. a hoisting ring; 8. a thrust bearing; 9. a positioning ring; 10. a socket head cap screw; 11. tightening the screw; 12. A square cap; 13. a flat bond; 14. a dust ring; 15. an O-shaped ring; 16. a plug; 17. a gland; 18. an electric fitting flange; 19. flattening the groove; 20. a thread groove; 21. tightening the groove; 22. positioning a groove; 23. a square groove.

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:

example 1:

according to the three-purpose hidden rod gate valve with the square cap and the electric flange shown in the figures 1-3, the three-purpose hidden rod gate valve comprises a valve body 1, a valve cover 6, an inner hexagon screw 10 and a flat key 13, wherein the top of the valve body 1 is fixed with the valve cover 6 through the inner hexagon screw 10, the two parts are arranged to facilitate the replacement of a valve plate 2, a rotating nut 3 and other parts inside the valve body 1, lifting rings 7 are symmetrically arranged on two sides of the top of the valve cover 6, a plug 16 is arranged on the top of the valve cover 6, the arrangement of the plug 16 improves the overall sealing effect of the hidden rod gate valve, threaded grooves 20 are correspondingly arranged on the valve body 1 and the valve cover 6, a valve rod 4 is arranged in each threaded groove 20, the valve rod 4 is connected with the threaded grooves 20 through threaded engagement, in the concrete implementation, the valve rod 4 is rotated to realize the up-and-down movement of the valve plate 2 in the valve body 1, so as to realize the opening and the plugging of liquid, a middle port pad 5 is arranged at the joint of the valve cover 6 and the valve body 1, the middle port cushion 5 is arranged, so that the sealing performance of the joint of the valve cover 6 and the valve body 1 is better, the valve plate 2 is installed in the valve body 1, the rotating nut 3 is fixed at the top of the valve plate 2 through spot welding, the rotating nut 3 is correspondingly meshed with the valve rod 4, the valve rod 4 is rotated to adjust the flowing and blocking of the valve plate 2 to liquid, and the valve plate 2 is provided with a rubber material, so that the whole sealing performance of the valve plate 2 is better;

the top of the valve cover 6 is fixed with a gland 17 through a socket head cap screw 10, the valve rod 4 is provided with a positioning groove 22, the joint of the valve cover 6 and the positioning groove 22 is provided with a positioning ring 9, two sides of the positioning ring 9 are symmetrically provided with thrust bearings 8 on the valve cover 6, the positioning ring 9 is correspondingly clamped with the positioning groove 22, one end of the valve rod 4 penetrates through the gland 17 and is rotatably connected with the gland 17, the joint of the top of the valve rod 4 and the valve body 1 is provided with an O-shaped ring 15, the joint of the gland 17 and the valve rod 4 is provided with the O-shaped ring 15, the joint of the gland 17 and the valve rod 4 is sleeved with a dust ring 14, the arrangement of the O-shaped ring 15 and the dust ring 14 improves the water leakage resistance and the air tightness of the gland 17 and the valve cover 6, the hand wheel is convenient to be installed through the gland 17 on the valve cover 6, when an electric fitting flange 18 and an external electrified element fail, the gate valve can be manually opened or closed through the additional hand wheel, avoid meeting emergency, the gate valve causes unnecessary loss because the switch is untimely.

Example 2:

according to the three-purpose non-rising stem gate valve with the square cap and the electric flange shown in fig. 3 and 5, one side of the top of the valve rod 4 is provided with a flat groove 19, the other side of the valve rod 4 is provided with a fastening groove 21, the top of the valve rod 4 is sleeved with the square cap 12, the inner wall of the square cap 12 is provided with a square groove 23, the square groove 23 is clamped with the fastening groove 21 through a flat key 13, the flat key 13 is good in neutrality and convenient to assemble and disassemble, is used for a shaft with high speed or bearing impact and variable load, facilitates the square cap 12 to transmit torque by extruding the valve rod 4, the square cap 12 is provided with a fastening screw 11, the fastening screw 11 is correspondingly clamped with the fastening groove 21 on one side of the valve rod 4, and the square cap 12 is fixed on the valve rod 4;

the comparatively remote of part gate valve mounted position, during concrete implementation, the staff is when opening and shutting dark pole gate valve governing valve plate 2, because sheltering from of other subassemblies for the staff can't touch valve rod 4 and adjust, for this reason, through the setting of square cap 12, makes things convenient for the staff to install the extension bar additional on square cap 12 and carries out distance regulation far away, makes the practicality of dark pole gate valve higher, and the flexibility is higher.

Example 3:

according to the three-purpose non-rising stem gate valve with the square cap and the electric flange shown in fig. 4 and 6, the electric flange 18 can be further fixed at the top of the valve cover 6 through the socket head cap screws 10, the joint of the electric flange 18 and the valve cover 6 is sealed through the O-shaped ring 15, in the specific implementation process, when the non-rising stem gate valve needs to be connected with an electric control system, the electric flange 18 is used for replacing the gland 17, the flange adaptive to the electric system is manufactured at the upper end of the electric flange 18, the flange adaptive to the valve cover 6 is manufactured at the lower end of the electric flange, the electric flange 18 is convenient to install, the non-rising stem gate valve is more easy to operate under the control of the electric control system, one valve is three-purpose, three connection modes can be provided, the requirement of the market is met, and the practicability of the non-rising stem gate valve is higher.

The working process of the utility model is as follows:

when the non-rising stem gate valve is used, the non-rising stem gate valve is arranged at the joint of a pipeline, the joint of the valve cover 6 and the valve body 1 is fixed through the hexagon socket head cap screw 10, and the valve plate 2 sleeved at the bottom of the valve rod 4 in the valve body 1 can move upwards and downwards along with the rotation of the valve rod 4 to block liquid;

when a hand wheel needs to be additionally installed for manual adjustment, the gland 17 is fixed on the valve cover 6 through the socket head cap screw 10, the valve cover 6 is abutted against the positioning ring 9 installed in the positioning groove 22 on the valve rod 4, the hand wheel is fixed on the valve rod 4, and the valve plate 2 is rotated through the valve rod 4;

when the square cap 12 needs to be additionally installed, the flat keys 13 are placed in the square groove 23 formed in the square cap 12 and the flat groove 19 formed in the valve rod 4, and then the set screw 11 is inserted into the fastening groove 21 formed in the square cap 12 and the valve rod 4, so that the square cap 12 is fixed on the valve rod 4;

when needs install the fitting flange 18 additional, demolish square cap 12, rotate socket head cap screw 10, pull down gland 17 again, correspond the setting with the flange on fitting flange 18 and the valve gap 6, fix fitting flange 18 to valve gap 6 through socket head cap screw 10 again and realize the installation to fitting flange 18, the practicality of the dark pole gate valve that a valve is three-purpose, improve greatly.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a take three way dark pole gate valve of square cap and denso flange, includes valve body (1), valve gap (6), hexagon socket head cap screw (10) and parallel key (13), the top of valve body (1) is fixed mutually with valve gap (6) through hexagon socket head cap screw (10), its characterized in that: the valve body (1) and the valve cover (6) are correspondingly provided with thread grooves (20), a valve rod (4) is arranged on the thread grooves (20), and the valve rod (4) is in threaded engagement connection with the thread grooves (20);

a gland (17) is fixed to the top of the valve cover (6) through a hexagon socket head cap screw (10), a positioning groove (22) is formed in the valve rod (4), a positioning ring (9) is installed at the joint of the valve cover (6) and the positioning groove (22), thrust bearings (8) are symmetrically installed on the two sides of the positioning ring (9) and located on the valve cover (6), and the positioning ring (9) is correspondingly clamped with the positioning groove (22);

the one end of valve rod (4) runs through gland (17) and rotates with gland (17) and is connected, straight flute (19) have been seted up to top one side of valve rod (4), and tight groove (21) have been seted up to the opposite side of valve rod (4), the top cover of valve rod (4) is equipped with square cap (12), and the inner wall of square cap (12) has seted up square flute (23), square flute (23) and tight groove (21) are through flat key (13) looks joint, install holding screw (11) on square cap (12), and holding screw (11) correspond the joint with tight groove (21) of valve rod (4) one side.

2. The three-purpose dark rod gate valve with the square cap and the electric flange as claimed in claim 1, wherein: o type circle (15) are installed with the junction of valve body (1) in valve rod (4) top, O type circle (15) are installed with the junction of valve rod (4) in gland (17), gland (17) and the junction of valve rod (4) and the top cover that is located O type circle (15) are equipped with dust ring (14).

3. The three-purpose dark rod gate valve with the square cap and the electric flange as claimed in claim 1, wherein: rings (7) are symmetrically installed on two sides of the top of the valve cover (6), and plugs (16) are installed on the top of the valve cover (6).

4. The three-purpose dark rod gate valve with the square cap and the electric flange as claimed in claim 1, wherein: the valve is characterized in that a middle opening pad (5) is installed at the joint of the valve cover (6) and the valve body (1), the valve plate (2) is installed in the valve body (1), a rotating nut (3) is fixed at the top of the valve plate (2) through spot welding, and the rotating nut (3) is correspondingly meshed with the valve rod (4) and is connected with the valve rod.

5. The three-purpose dark rod gate valve with the square cap and the electric flange as claimed in claim 1, wherein: an electric fitting flange (18) is fixed to the top of the valve cover (6) through an inner hexagon screw (10), and the joint of the electric fitting flange (18) and the valve cover (6) is sealed through an O-shaped ring (15).