CN219198177U - Detachable two-way regulating valve - Google Patents

Abstract

The utility model discloses a detachable two-way regulating valve, which comprises: the valve body is internally provided with a circulation channel, the middle part of the circulation channel is provided with a valve core, and the upper end of the contact surface of the valve body and the valve core is concavely provided with an annular sealing groove. The device replaces the traditional rubber seal ring with the check ring to seal, wherein the built-in rubber ring plays the role of elastic outward and tight sealing, the abrasion-resistant part at the outer end of the check ring is attached to the valve core part by the elastic force of the rubber ring, the abrasion-resistant part of the check ring plays an abrasion-resistant role when the valve core is adjusted up and down according to temperature or pressure difference, the abrasion-resistant part is not easy to wear in the use process, the sealing effect can be greatly improved, the phenomenon of water leakage or air leakage is not easy to occur in the use process, and when the electric actuator is required to be disassembled and maintained, the spring rod and the inserted rod with the spring are only required to be pulled out, then the electric actuator is slightly pulled out, the operation of the quick-dismantling electric actuator can be realized, and the maintenance time can be reduced.

Description

Detachable two-way regulating valve

Technical Field

The utility model belongs to the technical field of valves, and particularly relates to a detachable two-way regulating valve.

Background

The two-way regulating valve is mainly used for regulating the temperature control of low, medium and high pressure hot water, steam and lubricating oil systems, is used in combination with a temperature and pressure difference regulator, and is used for household house heating, district heating, industrial production processes or control systems of ship devices.

In the related art, reference may be made to chinese patent publication No. CN214008182U, specifically to a water hydraulic two-way screw thread metering and adjusting valve, which comprises a valve body, an electric actuator and a feed pipe. According to the utility model, the pressure gauge is arranged on the discharge pipe, so that the flow rate of liquid flowing through the discharge pipe can be detected, and the liquid material entering the valve body can be prevented from flowing back by arranging the large rubber plate, the small rubber plate and the arc-shaped groove, and meanwhile, the valve body can be arranged through the first connecting flange and the second flange or the thread teeth and the pipeline.

The applicant finds that in the two-way regulating valve and the like, a sealing ring is added above the sealing position of the valve core to the valve body so as to prevent gas or liquid from overflowing during use, but in the use process, the valve core is frequently regulated up and down, so that the sealing ring is easy to wear and break after being used for a period of time, the leakage or gas leakage phenomenon is easy to occur, the use is influenced, meanwhile, the telescopic part of the electric actuator in the current regulating valve is mainly connected with the valve rod through a plurality of screws, when the electric actuator needs to be disassembled for maintenance, a tool is required to be used for disassembling, and the screw fixing part is also easy to corrode under the influence of working environment, so that the normal disassembling operation is influenced, and the disassembling time is prolonged.

In view of this, a detachable two-way regulating valve is proposed.

Disclosure of Invention

The utility model aims at: in order to solve the above-mentioned problem, a detachable two-way regulating valve is provided.

The technical scheme adopted by the utility model is as follows: a detachable two-way regulator valve, comprising:

the valve body is internally provided with a circulation channel, the middle part of the circulation channel is provided with a valve core, the upper end of the contact surface of the valve body and the valve core is concavely provided with an annular sealing groove, and a Griley ring is arranged in the annular sealing groove;

the electric actuator, wherein the lower extreme is equipped with the connecting rod, the spacer bush is installed to the lower extreme of connecting rod, the upper end of case is connected with the valve rod, the upper end of valve rod is pegged graft in the installation cavity of seting up of spacer bush lower extreme, the inserted bar is installed at the both ends of spacer bush, the upper end both sides of valve rod correspond the inserted bar and have seted up and insert the chamber.

In a preferred embodiment, the two ends of the valve body are respectively welded with a connecting flange with a sealing ring, the upper end of the valve body is fixedly connected with a valve cover through a plurality of bolts, and a through hole which can meet the requirement of the up-and-down movement of the valve rod is formed in the center of the valve cover.

In a preferred embodiment, the electric actuator is provided with a manual reset device.

In a preferred embodiment, the support arms are installed on two sides of the upper end of the valve cover, positioning cavities for the upper end of the support arms to be inserted are formed on two sides of the lower end of the electric actuator, a spring rod is installed on one side of each positioning cavity, and the spring rod is inserted into a slot formed in the upper end of the support arm.

In a preferred embodiment, the valve body is sealed with the valve core by a glain ring in an interference manner.

In a preferred embodiment, a silica gel pad is installed at the inner end of the installation cavity, a spring is sleeved on the inserted link, and the inner end of the spring is installed on the positioning sleeve.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. according to the utility model, when the electric actuator is required to be disassembled and maintained, the spring rod and the inserted rod with the spring are pulled out, and then the electric actuator is pulled out slightly by force, so that the operation of the quick-disassembled electric actuator can be realized, and the maintenance time of maintenance personnel can be reduced.

2. According to the utility model, the gray ring is used for replacing the traditional rubber sealing ring for sealing, wherein the built-in rubber ring plays a role of elastic outward and tight sealing, the abrasion-resistant part at the outer end of the gray ring is attached to the valve core part by the elastic force of the rubber ring, when the valve core is adjusted up and down according to temperature or pressure difference, the abrasion-resistant part of the gray ring plays a role of abrasion resistance, the abrasion is not easy in the use process, the sealing effect is greatly improved, and the phenomenon of water leakage or air leakage is not easy to occur in the use process.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of an enlarged construction at B in the present utility model;

fig. 3 is a schematic diagram of an enlarged structure at a in the present utility model.

The marks in the figure: the valve comprises a 1-electric actuator, a 2-supporting arm, a 3-valve cover, a 4-valve rod, a 5-flow channel, a 6-valve body, a 7-valve core, an 8-connecting rod, a 9-positioning sleeve, a 10-inserted rod, an 11-silica gel gasket, a 12-spring, a 13-annular sealing groove and a 14-Gellan ring.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1-3, a detachable two-way regulator valve, comprising: the valve body 6, the circulation passageway 5 has been seted up to its inside, the middle part of circulation passageway 5 is equipped with case 7, annular seal groove 13 has been seted up to the concave contact surface upper end of valve body 6 and case 7, annular seal groove 13 has placed gray circle 14, valve body 6 is in the same place through gray circle 14 and case 7 interference seal, it is sealed with gray circle 14 to replace traditional rubber seal, wherein the built-in rubber circle of gray circle 14 plays elasticity outwards and closely sealed effect, and the antifriction part of gray circle 14 outer end receives the elasticity of rubber circle, can paste with case 7 part, when case 7 carries out the upper and lower regulation according to temperature or pressure differential, play antifriction effect through the antifriction part of gray circle 14, can improve sealed effect greatly in the use, the phenomenon of leaking or gas leakage is difficult to appear in the use.

Referring to fig. 1 and 2, the electric actuator 1 is shown, wherein the lower extreme is equipped with connecting rod 8, locating sleeve 9 is installed to the lower extreme of connecting rod 8, the upper end of case 7 is connected with valve rod 4, the upper end of valve rod 4 is pegged graft in the installation intracavity of locating sleeve 9 lower extreme seting up, inserted bar 10 is installed at the both ends of locating sleeve 9, the inserted cavity has been seted up corresponding to inserted bar 10 in the upper end both sides of valve rod 4, the cover is equipped with spring 12 on inserted bar 10, the inner of spring 12 is installed on locating sleeve 9, support arm 2 is installed to the upper end both sides of valve gap 3, the lower extreme both sides of electric actuator 1 have been seted up and have been satisfied the inserted cavity of support arm 2 upper end male, the spring rod is installed to one side in the locating cavity, the spring rod is pegged graft in the slot of support arm 2 upper end seting up, when need dismantle the maintenance to electric actuator 1, only need with spring rod and inserted bar 10 that has spring 12, then slightly drag out electric actuator 1 by force can realize the operation of quick detach electric actuator 1, reduce the required time of maintenance.

During installation, the supporting arm 2 is inserted into the positioning cavity, the positioning sleeve 9 is simultaneously inserted into the valve rod 4, and the valve body 6 and the electric actuator 1 can be assembled after being fixed through the corresponding inserted rod 10 and the spring rod.

Wherein, the electric actuator 1 is used together with a temperature and pressure difference regulator (not shown in the figure), and the extension length of the connecting rod 8 at the lower end of the electric actuator 1 is regulated according to the change of the temperature difference or the pressure difference, so as to realize the corresponding regulation of the temperature difference or the pressure difference.

Referring to fig. 1, two ends of a valve body 6 are welded with connection flanges with sealing rings, respectively, and a part of the valve body 6 and a pipeline to be combined can be connected together through the flanges by the aid of the connection flanges.

Referring to fig. 1, the upper end of the valve body 6 is fixedly connected with a valve cover 3 through a plurality of bolts, a through hole which can meet the requirement that the valve rod 4 moves up and down is formed in the center of the valve cover 3, sealing and protecting effects can be achieved through the valve cover 3, and meanwhile when cleaning and maintaining are needed inside, the valve cover 3 is opened, so that maintenance operation can be carried out inside the valve body 6.

Referring to fig. 2, a silica gel pad 11 is mounted at the inner end of the mounting cavity, and a certain buffering effect can be achieved after the assembly through the silica gel pad 11.

Referring to fig. 1, a manual reset device (in which the electric actuator 1 and the manual reset device refer to application number 202120640767.7 and are named as an electric actuator and a manual reset device in a novel proportional-integral electric two-way regulating valve) is arranged on an electric actuator 1, and the regulating valve can be manually reset when power is off through the manual reset device.

The device replaces the traditional rubber sealing ring with the gray ring 14 for sealing, wherein the rubber ring arranged in the gray ring 14 plays a role of elastic outward and tight sealing, the abrasion-resistant part at the outer end of the gray ring 14 is adhered to the valve core 7 part by the elastic force of the rubber ring, when the valve core 7 is adjusted up and down according to temperature or pressure difference, the abrasion-resistant part through the gray ring 14 plays a role of abrasion resistance, the sealing effect is greatly improved, and the phenomenon of water leakage or air leakage is not easy to occur during use.

When the electric actuator 1 needs to be disassembled and maintained, the electric actuator 1 only needs to be pulled out by pulling the spring rod and the inserted rod 10 with the spring 12 and then pulled out slightly by force, so that the operation of the electric actuator 1 can be quickly disassembled, and the time required for maintenance is reduced.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (6)

1. A detachable two-way regulating valve, comprising:

the valve comprises a valve body (6), wherein a circulation channel (5) is formed in the valve body, a valve core (7) is arranged in the middle of the circulation channel (5), an annular sealing groove (13) is formed in the upper end of the contact surface of the valve body (6) and the valve core (7) in a concave manner, and a Grignard ring (14) is placed in the annular sealing groove (13);

the electric actuator (1), wherein the lower extreme is equipped with connecting rod (8), locating sleeve (9) are installed to the lower extreme of connecting rod (8), the upper end of case (7) is connected with valve rod (4), the upper end of valve rod (4) is pegged graft in the installation cavity of seting up at locating sleeve (9) lower extreme, inserted bar (10) are installed at the both ends of locating sleeve (9), the upper end both sides of valve rod (4) correspond inserted bar (10) and have seted up the insertion cavity.

2. A two-way, detachable regulator valve according to claim 1, wherein: connecting flanges with sealing rings are welded at two ends of the valve body (6) respectively, the upper end of the valve body (6) is fixedly connected with a valve cover (3) through a plurality of bolts, and a through hole which can meet the requirement of up-and-down movement of the valve rod (4) is formed in the center of the valve cover (3).

3. A two-way, detachable regulator valve according to claim 1, wherein: the electric actuator (1) is provided with a manual reset device.

4. A two-way, detachable regulator valve according to claim 2, wherein: the electric valve cover is characterized in that the two sides of the upper end of the valve cover (3) are provided with supporting arms (2), the two sides of the lower end of the electric actuator (1) are provided with positioning cavities which meet the requirement of the insertion of the upper ends of the supporting arms (2), one side of each positioning cavity is provided with a spring rod, and the spring rods are inserted into slots formed in the upper ends of the supporting arms (2).

5. A two-way, detachable regulator valve according to claim 1, wherein: the valve body (6) is in interference sealing with the valve core (7) through the Griley ring (14).

6. A two-way, detachable regulator valve according to claim 1, wherein: the inner end of the installation cavity is provided with a silica gel gasket (11), the inserted link (10) is sleeved with a spring (12), and the inner end of the spring (12) is arranged on the positioning sleeve (9).

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