CN211039736U

CN211039736U - Manual screw valve

Info

Publication number: CN211039736U
Application number: CN201920221078.4U
Authority: CN
Inventors: 贾景州; 王新建; 严会红
Original assignee: Henan Yuzhou Fluid Technology Co ltd
Current assignee: Henan Yuzhou Fluid Technology Co ltd
Priority date: 2019-02-21
Filing date: 2019-02-21
Publication date: 2020-07-17
Anticipated expiration: 2029-02-21

Abstract

The utility model discloses a manual spiral valve door, which comprises a frame, the left and right sides of frame all is provided with accomodates the chamber, the middle-end at frame top is inlayed and is equipped with the pivot, the inner chamber of frame is provided with sealing mechanism, the middle-end fixedly connected with fixed plate of frame bottom, and the preparation material of fixed plate is alloy steel, accomodate the bottom fixedly connected with fixed block of intracavity chamber, sealing mechanism includes the bull stick, bull stick swing joint is in the inboard of pivot, the top fixedly connected with twist grip of bull stick. The utility model discloses set up sealing mechanism, played and to be used to carry out effectual sealing to it to prevent that the rivers from flowing, prevent that it is not hard up simultaneously to guarantee its life, solved current valve seal effect poor, because the great hourglass crack appears in order to lead to it of rivers pressure, make the rivers flow easily, and the life is longer just can appear becoming flexible, reduces its life simultaneously, influences the problem of its practicality.

Description

Manual screw valve

Technical Field

The utility model relates to the technical field of valves, specifically be a manual screw valve.

Background

Valves are mechanical devices for controlling the flow, direction, pressure and temperature of a flowing fluid medium, the valves are basic components in a piping system, the valve pipe fittings are technically the same as pumps and are often discussed as a separate category, the valves can be operated by hand or hand wheel, handle or pedal, or can be controlled to change the pressure, temperature and flow of the fluid medium, the valves can continuously or repeatedly operate the changes, such as safety valves installed in a hot water system or a steam boiler, more complicated control systems are based on external input and need to adopt automatic control valves which do not need manual operation according to the input and setting of the valves, so that the valves accurately control various requirements of the fluid medium, and the valves are classified into cast iron valves, cast steel valves, stainless steel valves, chrome molybdenum vanadium steel valves, chrome molybdenum steel valves, At present, in order to ensure the strength of the valve, a valve plate and a roller are made of cast iron materials, and the valve is various, one kind of manual screw valve is one kind of the valve, an opening and closing part of the manual gate valve is a flashboard, the movement direction of the flashboard is vertical to the fluid direction, the gate valve can only be fully opened and fully closed and can not be adjusted and throttled, the flashboard is provided with two sealing surfaces, the flashboard of a wedge type gate valve can be made into a whole, namely a rigid flashboard, and can also be made into a flashboard capable of generating micro deformation to improve the manufacturability of the gate valve and compensate the deviation of the angle of the sealing surfaces in the processing process, the flashboard is called an elastic flashboard, and can be divided into a wedge type flashboard type gate valve and a parallel flashboard type gate valve according to the arrangement of the sealing surfaces, and can be divided into wedge type flashboards, single gate formula, two flashboards formula and elasticity flashboards formula, parallel flashboard formula gate valve can divide into single flashboard formula and two flashboards formula, and the screw thread position according to the valve rod divides, can divide into rising stem gate valve and non-rising stem gate valve two kinds, but current valve seal effect is poor, because rivers pressure is great in order to lead to its to appear the small opening, makes rivers outflow easily, and the live time is longer just can appear becoming flexible, reduces its life simultaneously, influences its practicality, for this, we provide a manual spiral valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a manual spiral valve possesses sealed effectual advantage, and it is poor to have solved current valve seal effect, because the great hourglass clearance appears in order to lead to it of rivers pressure, makes rivers flow easily, and the live time is longer just can appear becoming flexible, reduces its life simultaneously, influences the problem of its practicality.

In order to achieve the above object, the utility model provides a following technical scheme: a manual screw valve comprises a frame, wherein the left side and the right side of the frame are respectively provided with a containing cavity, a rotating shaft is embedded at the middle end of the top of the frame, an inner cavity of the frame is provided with a sealing mechanism, the sealing mechanism comprises a rotating rod, the rotating rod is movably connected to the inner side of the rotating shaft, a rotating handle is fixedly connected to the top of the rotating rod, a worm wheel is fixedly connected to the bottom of the rotating handle, the worm wheel is meshed with a worm, threaded rods are fixedly connected to the left end and the right end of the worm, one end, away from the worm, of each threaded rod is fixedly connected with the containing cavity through a bearing, a threaded sleeve is connected to the outer surface of each threaded rod in a threaded manner, a connecting plate is fixedly connected to the bottom of the connecting plate on the left side, a first valve plate is fixedly connected to the bottom of the connecting plate, the left side of second valve plate is seted up flutedly, first spout has been seted up to the bottom of first valve plate, the second spout has been seted up to the bottom of second valve plate, first spout and second spout all with fixed block and fixed plate swing joint.

Preferably, the middle end of the bottom of the frame is fixedly connected with a fixing plate, and the fixing plate is made of alloy steel.

Preferably, the bottom of the inner cavity of the accommodating cavity is fixedly connected with a fixing block.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses sealing mechanism has been set up, and sealing mechanism utilizes twist grip, the bull stick, the worm wheel, a groove, the second valve plate, the second spout, the flange, first spout, the connecting plate, the threaded rod, the thread bush, the cooperation of worm and first valve plate, it can be used to carry out effectual sealing to it to play, in order to prevent the rivers outflow, prevent simultaneously that it is not hard up, in order to guarantee its life, it is poor to have solved current valve seal effect, because the great leak that appears in order to lead to it of rivers pressure, make rivers outflow easily, and the longer just can appear becoming flexible of live time, reduce its life simultaneously, influence the problem of its practicality.

Drawings

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

FIG. 2 is a schematic structural view of the sealing mechanism of the present invention;

fig. 3 is a schematic side view of the fixing plate of the present invention.

In the figure: the sealing device comprises a frame 1, a sealing mechanism 2, a rotating handle 201, a rotating rod 202, a worm wheel 203, a groove 204, a second valve plate 205, a second sliding chute 206, a convex plate 207, a first sliding chute 208, a connecting plate 209, a threaded rod 210, a threaded sleeve 211, a worm 212, a first valve plate 213, a rotating shaft 3, a fixing plate 4, a fixing block 5 and a containing cavity 6.

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. 1-3, a manual screw valve comprises a frame 1, a fixing plate 4 is fixedly connected to the middle end of the bottom of the frame 1, the fixing plate 4 is made of alloy steel, a containing cavity 6 is arranged on each of the left and right sides of the frame 1, a fixing block 5 is fixedly connected to the bottom of the inner cavity of the containing cavity 6, a rotating shaft 3 is embedded in the middle end of the top of the frame 1, a sealing mechanism 2 is arranged in the inner cavity of the frame 1, the sealing mechanism 2 comprises a rotating rod 202, the rotating rod 202 is movably connected to the inner side of the rotating shaft 3, a rotating handle 201 is fixedly connected to the top of the rotating rod 202, a worm wheel 203 is fixedly connected to the bottom of the rotating handle 201, the worm wheel 203 is engaged with a worm 212, threaded rods 210 are fixedly connected to the left and right ends of the worm 212, one end of the threaded rod 210, which is, the bottom of the threaded sleeve 211 is fixedly connected with a connecting plate 209, the bottom of the left connecting plate 209 is fixedly connected with a first valve plate 213, the right side of the first valve plate 213 is fixedly connected with a convex plate 207, the bottom of the right connecting plate 209 is fixedly connected with a second valve plate 205, the left side of the second valve plate 205 is provided with a groove 204, the bottom of the first valve plate 213 is provided with a first chute 208, the bottom of the second valve plate 205 is provided with a second chute 206, and the first chute 208 and the second chute 206 are movably connected with the fixed block 5 and the fixed plate 4, so that the threaded sleeve can be effectively sealed to prevent water flow from flowing out, meanwhile, the valve is prevented from loosening so as to ensure the service life of the valve, the problem that the existing valve has poor sealing effect is solved, because the pressure of the water flow is large, the water flow leaks, the water flow is easy to flow out, the looseness can be caused after the water flow is used for a long time, the service life of the water flow is shortened, and the practicability of the water flow is influenced.

When the valve is used, the rotating handle 201 is manually rotated, the rotating handle 201 is utilized to drive the rotating rod 202, the rotating rod 202 is limited and fixed through the rotating shaft 3 to ensure the stable operation of the valve, the rotating rod 202 is utilized to drive the worm wheel 203, the worm 212 is driven to rotate by utilizing the meshed connection relationship between the worm wheel 203 and the worm 212, the worm 212 drives the threaded rod 210 to rotate, the threaded rod 210 is utilized to drive the threaded sleeve 211 to reciprocate leftwards and rightwards by utilizing the threaded rod 210 in threaded connection with the threaded sleeve 211, the threaded sleeve 211 is utilized to drive the connecting plate 209, the connecting plate 209 drives the first valve plate 213 and the second valve plate 205 to reciprocate and simultaneously can move inwards or outwards, when the connecting plate moves inwards, the convex plate 207 can be clamped with the groove 204 to complete sealing, otherwise, when the connecting plate 207 moves outwards, the convex plate 207 can leave the inner cavity of the groove 204, and at the water can be discharged, having played and being used to carry out effectual sealing to it, in order to prevent that the rivers from flowing out, prevent it not hard up simultaneously, in order to guarantee its life, and utilize fixed plate 4 and fixed block 5 and first spout 208 sliding connection's relation, can make it carry out effectual slip to first valve plate 213 and second valve plate 205, can play spacing fixed effect to it simultaneously, it is poor to have solved current valve seal effect, because water pressure is great in order to lead to its leak to appear, make rivers flow easily, and the live time is longer just can appear becoming flexible, reduce its life simultaneously, influence the problem of its practicality.

In summary, the following steps: this manual screw valve, sealing mechanism 2 has been set up, and sealing mechanism 2 utilizes twist grip 201, bull stick 202, worm wheel 203, recess 204, second valve plate 205, second spout 206, flange 207, first spout 208, connecting plate 209, threaded rod 210, thread bush 211, worm 212 and first valve plate 213's cooperation, it can be used to carry out effectual sealing to it to have played, in order to prevent the rivers outflow, prevent it not hard up simultaneously, in order to guarantee its life, it is poor to have solved current valve seal effect, because the great leak clearance that appears in order to lead to it of rivers pressure, make the rivers outflow easily, and the life is longer just can appear becoming flexible, reduce its life simultaneously, influence the problem of its practicality.

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

1. A manual screw valve, comprising a frame (1), characterized in that: the left side and the right side of the frame (1) are respectively provided with a containing cavity (6), a rotating shaft (3) is embedded at the middle end of the top of the frame (1), a sealing mechanism (2) is arranged in an inner cavity of the frame (1), the sealing mechanism (2) comprises a rotating rod (202), the rotating rod (202) is movably connected to the inner side of the rotating shaft (3), a rotating handle (201) is fixedly connected to the top of the rotating rod (202), a worm wheel (203) is fixedly connected to the bottom of the rotating handle (201), a worm (212) is meshed with the worm wheel (203), threaded rods (210) are fixedly connected to the left end and the right end of the worm (212), one ends, far away from the worm (212), of the threaded rods (210) are fixedly connected with the containing cavities (6) through bearings, threaded sleeves (211) are connected to the outer surface threads of the threaded rods (210), and connecting plates (209) are fixedly connected, the left side the first valve plate (213) of bottom fixedly connected with of connecting plate (209), the right side fixedly connected with flange (207) of first valve plate (213), the right side the bottom fixedly connected with second valve plate (205) of connecting plate (209), recess (204) have been seted up in the left side of second valve plate (205), first spout (208) have been seted up to the bottom of first valve plate (213), second spout (206) have been seted up to the bottom of second valve plate (205), first spout (208) and second spout (206) all with fixed block (5) and fixed plate (4) swing joint.

2. A hand-operated screw valve according to claim 1, wherein: the middle end of the bottom of the frame (1) is fixedly connected with a fixing plate (4), and the fixing plate (4) is made of alloy steel.

3. A hand-operated screw valve according to claim 1, wherein: the bottom of the inner cavity of the accommodating cavity (6) is fixedly connected with a fixing block (5).