CN211039840U

CN211039840U - Explosion-proof flow controller

Info

Publication number: CN211039840U
Application number: CN201922053160.3U
Authority: CN
Inventors: 李继峰; 张夏
Original assignee: Dongguan Aotu Automation Technology Co ltd
Current assignee: Dongguan Aotu Automation Technology Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-07-17
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses an explosion-proof flow controller, which comprises a base, the one end fixed mounting of base has the import end connector, the other end fixed mounting of base has the export end connector, upper portion one side fixed connection of base has the power pack, one side fixed mounting that the upper portion of base is located the power pack has the electrovalve, the outside that the upper portion of base is located power pack and electrovalve is equipped with explosion-proof structure the circulation passageway has been seted up to the inside of base, be equipped with anti-freezing structure between circulation passageway and the base, explosion-proof structure is including outer pole, top frame, anchor strut, toughened glass cover, mount pad, fixed screw. An explosion-proof flow controller, can provide explosion-proof effect, applicable dangerous place that exists at combustible gas and dust increases the security, has also improved application scope simultaneously, secondly can place inside liquid and lead to influencing the work progress phenomenon because of freezing, the practicality is higher.

Description

Explosion-proof flow controller

Technical Field

The utility model relates to a controller field, in particular to explosion-proof flow controller.

Background

The flow rate controller is one of valves, and generally includes a positive displacement flow meter, a float flow meter, a turbine flow meter, a differential pressure flow meter, and an electric valve flow rate controller, in which an electric valve is controlled by an external controller to control the operation of the electric valve, thereby controlling the flow of gas or liquid; but current flow controller does not possess explosion-proof function, is unfavorable for using in the dangerous place that combustible gas and dust exist, and application scope is less, secondly does not possess the function of preventing frostbite, and in winter or in chilly area, inside liquid stops in the circulation passageway, and the phenomenon of freezing appears easily, will lead to the circulation passageway to block up or the phenomenon that circulation speed is slow, and the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an explosion-proof flow controller, which can effectively solve the problems of the prior art that the flow controller does not have the explosion-proof function and the anti-freezing function.

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

the utility model provides an explosion-proof flow controller, includes the base, the one end fixed mounting of base has the inlet end connector, the other end fixed mounting of base has the outlet end connector, upper portion one side position fixedly connected with power pack of base, the upper portion of base is located one side position fixed mounting of power pack and has the electrovalve, the outside that the upper portion of base is located power pack and electrovalve is equipped with explosion-proof structure the circulation passageway has been seted up to the inside of base, be equipped with frostproofing structure between circulation passageway and the base.

Preferably, explosion-proof structure is including outer pole, top frame, anchor strut, toughened glass cover, mount pad, fixed screw, the bottom at the top frame is connected to the one end of outer pole, the other end fixedly connected with underframe of outer pole, anchor strut fixed connection is in the outside of outer pole, the quantity of outer pole is eight, toughened glass cover fixed connection is in the inboard of eight outer poles, mount pad fixed mounting is in the both sides of underframe, fixed screw runs through mount pad and the solid threaded connection of base.

Preferably, the shape of explosion-proof structure is the rectangle cover body, be equipped with the adhesion meter between toughened glass cover and the outer pole, the inboard of top frame is the cavity formula.

Preferably, the anti-freezing structure comprises a cavity, a transverse rib, a thermocouple and a heat-insulating filler, the cavity is arranged between the circulation channel and the base, the transverse rib is fixedly connected between the outer wall of the circulation channel and the inner wall of the base, the thermocouple is fixedly connected in the cavity, and the heat-insulating filler is filled in the cavity and positioned on the outer side of the thermocouple.

Preferably, the output end of the power supply box is electrically connected with the input ends of the electrovalve and the thermocouple, and the inlet end connector and the outlet end connector are communicated with the circulation channel.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses in, through the blast resistant construction who sets up, can provide explosion-proof performance, be suitable for the dangerous place that exists at combustible gas and dust, improve the security of using in dangerous place, also improved application scope simultaneously, through anti-freezing structure, when leading to the inside liquid of circulation passageway to freeze because of the weather reason, thereby lead to the circulation passageway to block up or under the slower condition of velocity of flow, can heat through the thermocouple, thereby avoid the condition of jam to take place, avoid influencing the working progress.

Drawings

Fig. 1 is a schematic view of the overall structure of an explosion-proof flow controller according to the present invention;

fig. 2 is a top view of an explosion-proof structure of an explosion-proof flow controller according to the present invention;

fig. 3 is a cross-sectional view of a base of an explosion-proof flow controller according to the present invention.

In the figure: 1. a base; 2. an inlet end fitting; 3. an outlet end fitting; 4. a power supply box; 5. an electro-valve; 6. an explosion-proof structure; 7. an outer rod; 8. a top frame; 9. a reinforcing rod; 10. a toughened glass cover; 11. a mounting seat; 12. fixing screws; 13. a flow-through channel; 14. an anti-freezing structure; 15. a cavity; 16. transverse ribs; 17. a thermocouple; 18. and (5) insulating filler.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, an explosion-proof flow controller comprises a base 1, wherein an inlet end connector 2 is fixedly installed at one end of the base 1, an outlet end connector 3 is fixedly installed at the other end of the base 1, a power supply box 4 is fixedly connected to one side of the upper portion of the base 1, an electric valve 5 is fixedly installed at one side of the upper portion of the base 1, an explosion-proof structure 6 is arranged on the outer side of the power supply box 4 and the electric valve 5 at the upper portion of the base 1, a flow passage 13 is formed in the base 1, and an anti-freezing structure 14 is arranged between the flow passage 13 and the base 1;

the explosion-proof structure 6 comprises an outer rod 7, a top frame 8, a reinforcing rod 9, a toughened glass cover 10, a mounting seat 11 and fixing screws 12, one end of the outer rod 7 is connected to the bottom of the top frame 8, the other end of the outer rod 7 is fixedly connected with a bottom frame, the reinforcing rod 9 is fixedly connected to the outer portion of the outer rod 7, the number of the outer rods 7 is eight, the toughened glass cover 10 is fixedly connected to the inner sides of the eight outer rods 7, the mounting seats 11 are fixedly mounted on two sides of the bottom frame, the fixing screws 12 penetrate through the mounting seat 11 and are fixedly in threaded connection with the base 1, and through the arrangement of the explosion-proof structure 6, explosion-proof performance can be provided, the explosion-proof structure is suitable for dangerous places where combustible gas and dust exist, the safety of use in the dangerous places is improved, and meanwhile, the application range is also; the explosion-proof structure 6 is a rectangular cover body, an adhesion meter is arranged between the toughened glass cover 10 and the outer rod 7, and the inner side of the top frame 8 is hollow; the anti-freezing structure 14 comprises a cavity 15, a transverse rib 16, a thermocouple 17 and a heat-insulating filler 18, wherein the cavity 15 is arranged between the circulation channel 13 and the base 1, the transverse rib 16 is fixedly connected between the outer wall of the circulation channel 13 and the inner wall of the base 1, the thermocouple 17 is fixedly connected inside the cavity 15, the heat-insulating filler 18 is filled inside the cavity 15 and positioned on the outer side of the thermocouple 17, and through the arrangement of the anti-freezing structure 14, when liquid inside the circulation channel 13 is frozen due to weather reasons, so that the circulation channel 13 is blocked or the flow rate is slow, the liquid can be heated through the thermocouple 17, so that the blocking situation is avoided, and the work progress is prevented from being influenced; the output end of the power supply box 4 is electrically connected with the input ends of the electrovalve 5 and the thermocouple 17, and the inlet end joint 2 and the outlet end joint 3 are communicated with the circulation channel 13.

It should be noted that, the utility model relates to an explosion-proof flow controller, when using, at first, the power cord of the external control instrument passes through the inside of the top frame 8 to be connected with the power box 4, after connecting, the work of the power box 4 is controlled through the external control instrument, thereby the work of the electrovalve 5 and the thermocouple 17 is controlled, then the inlet end connector 2 and the outlet end connector 3 are respectively connected with the external pipeline, or the external valve, when using, the explosion-proof structure 6 is through the hood-shaped structure composed of the outer rod 7, the top frame 8 and the bottom frame, and the toughened glass hood 10 is arranged inside to provide excellent explosion-proof effect, the explosion-proof flow controller is used in the dangerous places where flammable gas and dust exist, the safety of using in the dangerous places is improved, and the application range is also improved, secondly, when the circulation channel 13 stops circulating, some liquid can be deposited inside, receive the inside liquid of weather reason phenomenon that freezes can appear, people start thermocouple 17 work this moment, and the heating effect through thermocouple 17 will freeze and melt to avoid the freezing phenomenon that the weather is cold to lead to influence the work progress, also can let this flow controller be suitable for in some cold special areas throughout the year simultaneously, the practicality is higher.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An explosion-proof flow controller which characterized in that: including base (1), the one end fixed mounting of base (1) has inlet end connector (2), the other end fixed mounting of base (1) has outlet end connector (3), upper portion one side position fixedly connected with power pack (4) of base (1), one side position fixed mounting that the upper portion of base (1) is located power pack (4) has electrovalve (5), the outside that the upper portion of base (1) is located power pack (4) and electrovalve (5) is equipped with explosion-proof structure (6) flow channel (13) have been seted up to the inside of base (1), be equipped with between flow channel (13) and base (1) and prevent frostbite structure (14).

2. An explosion-proof flow controller according to claim 1, wherein: explosion-proof construction (6) are including outer pole (7), top frame (8), anchor strut (9), toughened glass cover (10), mount pad (11), fixed screw (12), the bottom at top frame (8) is connected to the one end of outer pole (7), the other end fixedly connected with underframe of outer pole (7), anchor strut (9) fixed connection is in the outside of outer pole (7), the quantity of outer pole (7) is eight, toughened glass cover (10) fixed connection is in the inboard of eight outer poles (7), mount pad (11) fixed mounting is in the both sides of underframe, fixed screw (12) run through mount pad (11) and base (1) solid threaded connection.

3. An explosion-proof flow controller according to claim 2, wherein: the shape of explosion-proof structure (6) is the rectangle cover body, be equipped with the adhesion meter between toughened glass cover (10) and outer pole (7), the inboard of top frame (8) is the cavity formula.

4. An explosion-proof flow controller according to claim 1, wherein: anti-freezing structure (14) is including cavity (15), horizontal muscle (16), thermocouple (17) and heat preservation filler (18), cavity (15) are seted up between circulation passageway (13) and base (1), horizontal muscle (16) fixed connection is between the outer wall of circulation passageway (13) and the inner wall of base (1), thermocouple (17) fixed connection is in the inside of cavity (15), heat preservation filler (18) are filled in the outside that cavity (15) inside is located thermocouple (17).

5. An explosion-proof flow controller according to claim 4, wherein: the output end of the power supply box (4) is electrically connected with the input ends of the electrovalve (5) and the thermocouple (17), and the inlet end connector (2) and the outlet end connector (3) are communicated with the circulation channel (13).