CN215861815U

CN215861815U - Gate valve with magnetic control opening and closing function

Info

Publication number: CN215861815U
Application number: CN202122400195.7U
Authority: CN
Inventors: 万建华; 侯伯忠; 周艳芳; 蒲建康; 何健; 陈燚
Original assignee: Chengdu Chuanli Smart Fluid Equipment Co ltd
Current assignee: Chengdu Chuanli Smart Fluid Equipment Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-02-18
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a gate valve with a magnetic control opening and closing function, which comprises a valve body assembly, wherein the valve body assembly comprises a valve cover, a valve body and a valve shaft, the valve cover is arranged on the valve body, a rubber plate is arranged in the valve body, the valve shaft is rotatably arranged on the valve cover, the lower end of the valve shaft is in threaded connection with the rubber plate, the gate valve further comprises a hand wheel tool, the hand wheel tool comprises a hand wheel and magnetic steel, a square hole is formed in the hand wheel, and the magnetic steel is embedded in the hand wheel; the valve shaft comprises an upper valve rod and a lower valve rod, the upper valve rod is rotatably arranged on the valve cover, the lower valve rod is rotatably arranged in the valve cover and connected with the rubber plate, and a rotary sealing structure is formed between the lower valve rod and the valve cover; the upper end of the lower valve rod is provided with a first special-shaped groove, and the lower end of the upper valve rod is provided with a second special-shaped groove which has the same structure as the first special-shaped groove. The utility model has the advantages of simple structure and good anti-theft effect in actual use; meanwhile, the economic benefit of the gate valve can be effectively improved, and the valve assembling process is simpler.

Description

Gate valve with magnetic control opening and closing function

Technical Field

The utility model relates to the technical field of valve control, in particular to a gate valve with a magnetic control opening and closing function.

Background

The gate valve is a shutter plate, the moving direction of which is perpendicular to the fluid direction, and the gate valve can only be fully opened and fully closed.

At present, the gate valve used for the drainage system is provided, the valve anti-theft opening device is designed by adopting a mechanical structure, some are opened and closed by adopting a special-shaped mechanical tool, some are opening tools matched with a magnetic lock device, the magnetic lock device mainly comprises a spring, a stop pin, magnetic steel and the like, the opening tools are matched with the magnetic steel, when the valve of the magnetic lock is locked, the spring pushes the stop pin to be positioned at a locking position, when the valve is unlocked, the magnetic steel on the unlocking tool is repelled with the magnetic steel on the magnetic lock device, the stop pin is pushed to exit from the locking position, and the unlocking tool is rotated to unlock the valve magnetic lock device. The valve of the tap water magnetic lock device is designed by adopting a mechanical structure, the valve can be seen from the appearance, and the special opening tool has the defects of easy imitation, easy damage and the like.

The application numbers are: CN201922079040.0, publication no: CN 210949962U's utility model discloses a gate valve of function is opened in stealthy theftproof in area, including the valve body, with the valve gap that the valve body is connected, connect the gland on the valve gap and can rotate and then control the valve rod that the offset plate moved from top to bottom, its characterized in that: the valve rod comprises an upper valve rod and a lower valve rod, the lower valve rod is rotatably connected with the valve cover, the lower end of the lower valve rod is connected with the rubber plate, the upper end of the lower valve rod is provided with a first hole and a special-shaped groove communicated with the first hole, the first hole is coaxial with the lower valve rod, a spring is arranged in the first hole, a connecting block is arranged in the special-shaped groove in a sliding and matching mode, and the spring acts on the connecting block; the upper valve rod is rotatably arranged on the pressure cover through a pressure ring, a hand wheel is sleeved on the upper valve rod, a second hole coaxial with the upper valve rod is formed in the upper valve rod, and threads are arranged in the middle of the second hole; the gate valve is consistent with a common gate valve in appearance, can effectively reduce the risk that the anti-theft valve special for installation is artificially damaged and opened by a special imitation tool, and has higher safety performance.

Although the utility model has good anti-theft effect, in actual use, the structure is more complex, which leads to higher production cost and reduces the economic benefit of the gate valve; while the complex structure leads to difficulties in later maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a gate valve with a magnetic control opening and closing function, which has the advantages of simple structure and good anti-theft effect in actual use; meanwhile, the economic benefit of the gate valve can be effectively improved, the valve assembling process is simpler, and later maintenance is facilitated.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

the utility model discloses a gate valve with a magnetic control opening and closing function, which comprises a valve body assembly, wherein the valve body assembly comprises a valve cover, a valve body and a valve shaft, the valve cover is arranged on the valve body, a rubber plate is arranged in the valve body, the valve shaft is rotatably arranged on the valve cover, the lower end of the valve shaft is in threaded connection with the rubber plate, the gate valve also comprises a hand wheel tool, the hand wheel tool comprises a hand wheel and magnetic steel, a square hole is formed in the hand wheel, and the magnetic steel is embedded in the hand wheel; the valve shaft comprises an upper valve rod and a lower valve rod, the upper valve rod is rotatably arranged on the valve cover, the lower valve rod is rotatably arranged in the valve cover and connected with the rubber plate, and a rotary sealing structure is formed between the lower valve rod and the valve cover;

the upper end of the lower valve rod is provided with a first special-shaped groove, the lower end of the upper valve rod is provided with a second special-shaped groove which has the same structure as the first special-shaped groove, and the first special-shaped groove and the second special-shaped groove are communicated to form a sliding groove structure; a transmission block matched with the first special-shaped groove is arranged in the first special-shaped groove in a sliding mode; go up still to be provided with the through-hole on the valve rod, through-hole and second dysmorphism groove intercommunication, the slip is provided with the connecting block in the through-hole, and transmission piece and connecting block interconnect, the connecting block is made by carbon steel material, go up the valve rod upper end be provided with the foreign side structure that the quad slit matches.

Wherein, the magnetic steel is embedded in the square hole.

Further optimizing, the external square structure is an external three-side, four-side or five-side structure.

Further defined, the drive block is made of an austenitic stainless steel material.

Wherein, the lower valve rod is rotatably arranged on the valve cover through a thrust bearing and a pressing ring.

Further optimize, be provided with at least one recess on the lower valve rod, the recess is embedded to be equipped with O type sealing washer.

Wherein, lower valve rod upper end side is provided with the ring channel, go up the valve rod lower extreme be provided with the round hole of first dysmorphism groove intercommunication, lower valve rod upper end and round hole cooperation back are provided with the holding screw that extends into in the ring channel on the last valve rod.

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

according to the utility model, the opening structure of the valve is redesigned, and a special hand wheel tool is matched to realize opening and closing of the valve when the valve is used, so that the safety performance of the valve can be effectively improved, and non-management personnel can be prevented from opening and closing the valve randomly; meanwhile, the appearance of the anti-theft valve is provided with the hand wheel consistent with that of a common product, so that the risk that the anti-theft valve special for installation is damaged manually or opened by a simulation tool is reduced; in daily use, the transmission block and the connecting block are positioned in the first special-shaped groove under the action of gravity, at the moment, the upper valve rod and the lower valve rod are in a completely separated state, at the moment, the upper valve rod is rotated, and the lower valve rod is in a static state; when the valve needs to be opened and closed, the square hole in the hand wheel tool is matched with the outer square structure of the upper valve rod, at the moment, the connecting block made of carbon steel materials drives the transmission block to move upwards under the action of the magnetic steel, so that the upper end of the transmission block is positioned in the second special-shaped groove, the lower end of the transmission block is positioned in the first special-shaped groove, the upper valve rod and the lower valve rod form an integrated structure, and the upper valve rod is rotated to open and close the valve; the connecting block and the transmission block can reset after the hand wheel assembly is taken down; the utility model has the advantages of simple structure and good anti-theft effect in actual use; meanwhile, the economic benefit of the gate valve can be effectively improved, the valve assembling process is simpler, and the working strength of assembling workers can be reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is an enlarged view of a portion of FIG. 1.

Reference numerals:

1-valve body, 2-rubber plate, 3-flange gasket, 4-hexagon socket head cap screw, 5-valve cover, 6-pressing ring, 7-thrust bearing, 8-O-shaped sealing ring, 9-lower valve rod, 10-set screw, 11-transmission block, 12-upper valve rod, 13-connection block, 14-hand wheel, 15-magnetic steel, 16-valve shaft, 17-groove, 18-connection flange, 19-square hole and 20-external square structure.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the embodiments of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only used for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In embodiments of the utility model, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or the first and second features being in contact, not directly, but via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the utility model. To simplify the disclosure of embodiments of the utility model, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the utility model. Furthermore, embodiments of the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example one

Referring to fig. 1 and 2, the embodiment discloses a gate valve with a magnetic control opening and closing function, which comprises a valve body assembly, wherein the valve body assembly comprises a valve cover 5, a valve body 1 and a valve shaft 16, the valve cover 5 is installed on the valve body 1, a rubber plate 2 is arranged in the valve body 1, the valve shaft 16 is rotatably installed on the valve cover 5, the lower end of the valve shaft is in threaded connection with the rubber plate 2, in the embodiment, the gate valve further comprises a hand wheel tool, the hand wheel tool comprises a hand wheel 14 and magnetic steel 15, a square hole 19 is formed in the hand wheel 14, and the magnetic steel 15 is embedded in the hand wheel 14; the valve shaft 16 comprises an upper valve rod 12 and a lower valve rod 9, the upper valve rod 12 is rotatably installed on the valve cover 5, the lower valve rod 9 is rotatably installed in the valve cover 5 and connected with the rubber plate 2, and a rotary sealing structure is formed between the lower valve rod 9 and the valve cover 5;

the upper end of the lower valve rod 9 is provided with a first special-shaped groove, the lower end of the upper valve rod 12 is provided with a second special-shaped groove with the same structure as the first special-shaped groove, and the first special-shaped groove and the second special-shaped groove are communicated to form a sliding groove structure; a transmission block 11 matched with the first special-shaped groove is arranged in the first special-shaped groove in a sliding mode; go up and still be provided with the through-hole on the valve rod 12, through-hole and second dysmorphism groove intercommunication, the through-hole is slided and is provided with connecting block 13, and transmission block 11 and connecting block 13 interconnect, connecting block 13 are made by carbon steel material, go up valve rod 12 upper end be provided with square hole 19 assorted foreign side structure 20.

In actual use, the transmission block 11 is in threaded connection with the connecting block 13.

According to the utility model, the opening structure of the valve is redesigned, and a special hand wheel tool is matched to realize opening and closing of the valve when the valve is used, so that the safety performance of the valve can be effectively improved, and non-management personnel can be prevented from opening and closing the valve randomly; meanwhile, the appearance of the anti-theft valve is provided with the hand wheel 14 consistent with that of a common product, so that the risk that the anti-theft valve special for installation is damaged manually or opened by a simulation tool is reduced; in actual use, the transmission block and the connecting block 13 are positioned in the first special-shaped groove under the action of gravity, at the moment, the upper valve rod 12 and the lower valve rod 9 are in a completely separated state, at the moment, the upper valve rod 12 is rotated, and the lower valve rod 9 is in a static state; when the valve needs to be opened and closed, the square hole 19 in the hand wheel tool is matched with the outer square structure 20 of the upper valve rod 12, at the moment, under the action of the magnetic steel 15, the connecting block 13 made of carbon steel material drives the transmission block 11 to move upwards, so that the upper end of the transmission block is positioned in the second special-shaped groove, the lower end of the transmission block is positioned in the first special-shaped groove, the upper valve rod 12 and the lower valve rod 9 form an integrated structure, and the upper valve rod 12 is rotated to open and close the valve; the connecting block 13 and the transmission block 11 can reset after the hand wheel 14 component is taken down; the utility model has the advantages of simple structure and good anti-theft effect in actual use; meanwhile, the economic benefit of the gate valve can be effectively improved, the valve assembling process is simpler, and the working strength of assembling workers can be reduced.

In this embodiment, the magnetic steel 15 is embedded in the square hole 19.

In actual use, the foreign structure 20 is a foreign, tetragonal or pentagonal structure.

Wherein, the transmission block 11 is made of austenitic stainless steel material.

In the present embodiment, the lower stem 9 is rotatably mounted on the bonnet 5 via the thrust bearing 7 and the pressing ring 6.

Further preferably, the lower valve rod 9 is provided with at least one groove 17, and an O-shaped sealing ring 8 is embedded in the groove 17; the sealing performance can be improved by the arranged O-shaped sealing ring 8.

In this embodiment, the side of the upper end of lower valve rod 9 is provided with an annular groove, the lower end of upper valve rod 12 is provided with a round hole communicated with the first special-shaped groove, and after the upper end of lower valve rod 9 is matched with the round hole, upper valve rod 12 is provided with a set screw 10 extending into the annular groove.

Therefore, in actual use, after the upper valve rod 12 is matched with the lower valve rod 9 through the arranged round holes, the upper valve rod 12 can be rotatably connected with the lower valve rod 9 in a mode of additionally installing the set screw 10, so that the upper valve rod and the lower valve rod can be quickly connected, and meanwhile, when the valve cover 5 is installed in the later stage, the quick connection structure is more convenient and fast, and the quick connection structure is simple in structure and more convenient and fast in later-stage assembly.

Wherein the valve cover 5 is connected with the valve body 1 through an inner hexagon screw 4, and a flange gasket 3 is arranged between the valve cover 5 and the valve body 1.

Preferably, the valve body 1 is provided with connecting flanges 18 at both ends.

While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, it should be noted that any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a take magnetic control to open and close gate valve of function, includes the valve body subassembly, and the valve body subassembly includes valve gap, valve body and valve shaft, and the valve gap is installed on the valve body, is provided with the offset plate in the valve body, and the valve shaft rotates to be installed lower extreme and an offset plate spiro union, its characterized in that after the valve cover:

the hand wheel tool comprises a hand wheel and magnetic steel, a square hole is formed in the hand wheel, and the magnetic steel is embedded in the hand wheel; the valve shaft comprises an upper valve rod and a lower valve rod, the upper valve rod is rotatably arranged on the valve cover, the lower valve rod is rotatably arranged in the valve cover and connected with the rubber plate, and a rotary sealing structure is formed between the lower valve rod and the valve cover;

2. The gate valve with the magnetic control opening and closing function according to claim 1, wherein: the magnetic steel is embedded in the square hole.

3. The gate valve with the magnetic control opening and closing function according to claim 1, wherein: the external square structure is an external three-side, four-side or five-side structure.

4. The gate valve with the magnetic control opening and closing function according to claim 1, wherein: the transmission block is made of austenitic stainless steel material.

5. The gate valve with the magnetic control opening and closing function according to claim 1, wherein: the lower valve rod is rotatably arranged on the valve cover through a thrust bearing and a pressing ring.

6. The gate valve with the magnetic control opening and closing function according to claim 1, wherein: at least one groove is arranged on the lower valve rod, and an O-shaped sealing ring is embedded in the groove.

7. The gate valve with the magnetic control opening and closing function according to any one of claims 1 to 6, wherein: the side face of the upper end of the lower valve rod is provided with an annular groove, the lower end of the upper valve rod is provided with a round hole communicated with the first special-shaped groove, and the upper end of the lower valve rod is matched with the round hole and then provided with a set screw extending into the annular groove.