CN218992372U

CN218992372U - Gas proportional control valve

Info

Publication number: CN218992372U
Application number: CN202223434568.3U
Authority: CN
Inventors: 廖庆丰
Original assignee: Tianjin Medium Pressure Valve Manufacturing Co ltd
Current assignee: Tianjin Medium Pressure Valve Manufacturing Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-09
Anticipated expiration: 2032-12-21

Abstract

The utility model discloses a fuel gas proportional control valve, which comprises a valve body and a valve cover, wherein the top of the valve body is fixedly connected with the valve cover, a valve seat is arranged in the valve body and is internally divided into an air inlet channel and an air outlet channel which are mutually independent through the valve seat, the air inlet channel and the air outlet channel are respectively positioned at two ends of the valve body, a T-shaped through hole is formed in the middle of the valve seat and is communicated with the air inlet channel and the air outlet channel through the T-shaped through hole, a valve core capable of moving up and down is arranged in the T-shaped through hole, a connecting seat is arranged at the top of the valve core, a moving rod is arranged at the top of the connecting seat and extends to the outer side of the top surface of the valve cover, and an adjusting device capable of enabling the moving rod to move up and down is arranged at the top surface of the valve cover. The utility model not only can carry out stable and reliable effective adjustment, but also can carry out convenient and quick installation and ensure the tightness after the installation, thereby improving the service efficiency of the device.

Description

Gas proportional control valve

Technical Field

The utility model relates to the technical field of gas accessories, in particular to a gas proportional regulating valve.

Background

The fuel gas proportional control valve plays a very critical part in the transmission and proportional delivery adjustment of fuel gas, and the fuel gas can be combusted by adjusting, so that energy sources are fully saved, and the fuel gas proportional control valve is beneficial to environmental protection. The gas pressure stabilizing device has the function of stabilizing pressure, and can ensure the stability of the pressure of the exported gas between the highest gas pressure and the lowest gas pressure of the national standard.

The traditional fuel gas proportional control valve generally changes the delivery flow of fuel gas through the acting force of a spring in the adjustment process, and the spring can influence the stability of the device for adjusting movement after frequent use, so that the valve core of the device generates a blocking phenomenon, and the service efficiency of the device is influenced.

Disclosure of Invention

The utility model aims to overcome the technical defects and provide a fuel gas proportional regulating valve.

In order to solve the problems, the technical scheme of the utility model is as follows: the utility model provides a gas proportional control valve, includes valve body and valve gap, valve body top fixed connection valve gap, and the inside disk seat that is equipped with of valve body and through this disk seat with its internal portion divide into mutually independent inlet channel and outlet channel, inlet channel and outlet channel are located the both ends of valve body respectively, T type through-hole has been seted up at the disk seat middle part and link up inlet channel and outlet channel mutually through this T type through-hole, but be equipped with the case of reciprocate in the T type through-hole, the case top is equipped with the connecting seat, the connecting seat top is equipped with the carriage release lever and extends to the valve gap top surface outside, the valve gap top surface is equipped with the adjusting device who enables the carriage release lever reciprocates.

Further, adjusting device includes movable plate, guide bar, fixing base and adjusting bolt, the fixed guide bar that is equipped with in valve gap top surface both ends, two common sliding connection movable plate on the guide bar, and still connect the fixing base jointly on the top surface, adjusting bolt is worn to establish in the fixing base middle part and extends to on the movable plate top surface, adjusting bolt bottom surface tip passes through the bearing with the movable plate and supports to rotate and be connected.

Furthermore, the outer side surface of the adjusting bolt is provided with a locking nut at the contact position of the top surface of the fixing seat, and the end part of the top surface is also fixedly provided with a hand wheel.

Further, the valve body top surface and the valve gap bottom surface are the discoid structure of mutually supporting and use, and still are equipped with a plurality of screw holes along the circumferencial direction on the valve body top surface, the cooperation fixed connection of valve gap bottom through fixing bolt and bolt hole is on the valve body top surface.

Further, the left end and the right end of the valve body are of disc-shaped structures, and a plurality of mounting holes are further formed in the circumferential surfaces of the outer sides of the air inlet channel and the air outlet channel.

Further, a sealing ring is further arranged on the circumferential surface of the top wall of the valve body at the through hole of the moving rod.

Compared with the prior art, the utility model has the advantages that: through the cooperation of the fixed seat and the adjusting bolt and the action of the guide rod and the moving plate, the valve core can stably move up and down, and the connection position between the valve core and the T-shaped through hole is changed, so that the stability of the device in the adjusting process is improved; the cooperation of the disc structure at the two ends of the valve body and the mounting hole is convenient for carrying out the device on a conveying pipeline, and good tightness can be ensured. The utility model not only can carry out stable and reliable effective adjustment, but also can carry out convenient and quick installation and ensure the tightness after the installation, thereby improving the service efficiency of the device.

Drawings

Fig. 1 is a front internal structural view of the present utility model.

Fig. 2 is a top view of the valve body and bonnet connection of the present utility model.

As shown in the figure: 1. a valve body; 2. an air intake passage; 3. an air outlet channel; 4. a mounting hole; 5. a valve cover; 6. t-shaped through holes; 7. a valve core; 8. a connecting seat; 9. a moving rod; 10. a valve seat; 11. a fixing bolt; 12. a moving plate; 13. a guide rod; 14. a fixing seat; 15. an adjusting bolt; 16. a lock nut; 17. a hand wheel; 18. and (3) sealing rings.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 2, a fuel gas proportional control valve comprises a valve body 1 and a valve cover 5, the top of the valve body 1 is fixedly connected with the valve cover 5, a valve seat 10 is arranged in the valve body 1 and is divided into an air inlet channel 2 and an air outlet channel 3 which are mutually independent through the valve seat 10, the air inlet channel 2 and the air outlet channel 3 are respectively positioned at two ends of the valve body 1, a T-shaped through hole 6 is formed in the middle of the valve seat 10 and is communicated with the air inlet channel 2 and the air outlet channel 3 through the T-shaped through hole 6, a valve core 7 capable of moving up and down is arranged in the T-shaped through hole 6, a connecting seat 8 is arranged at the top of the valve core 7, a movable rod 9 is arranged at the top of the connecting seat 8 and extends to the outer side of the top surface of the valve cover 5, a sealing ring 18 is further arranged on the circumferential surface of the top wall of the valve body 1 at the position of the movable rod 9, a regulating device capable of enabling the movable rod 9 to move up and down is arranged on the circumferential surface of the valve cover 5, a plurality of mounting holes 4 are formed at the left and right ends and left ends of the valve body 1, the device can be conveniently and rapidly connected to a conveying pipeline through the plurality of mounting holes 4, and sealing pads are further arranged at the connecting contact positions, so that the sealing performance can be guaranteed.

The adjusting device comprises a moving plate 12, guide rods 13, a fixed seat 14 and an adjusting bolt 15, wherein the guide rods 13 are fixedly arranged at two ends of the top surface of the valve cover 5, the moving plate 12 is connected to the two guide rods 13 in a sliding mode, the fixed seat 14 is also connected to the top surface in a sliding mode, the middle of the fixed seat 14 is penetrated with the adjusting bolt 15 and extends to the top surface of the moving plate 12, the end portion of the bottom surface of the adjusting bolt 15 is rotatably connected with the moving plate 12 through a bearing support, a lock nut 16 is arranged at the contact position of the top surface of the fixed seat 14 on the outer side surface of the adjusting bolt 15, a hand wheel 17 is further fixedly arranged at the end portion of the top surface, the adjusting bolt 15 is driven to rotate through the hand wheel 17, the moving plate 12 is driven to move up and down, and meanwhile, the valve core 7 is driven to move up and down, and accordingly the conveying flow of fuel gas is effectively adjusted.

The top surface of the valve body 1 and the bottom surface of the valve cover 5 are of disc-shaped structures which are matched with each other for use, a plurality of threaded holes are further formed in the top surface of the valve body 1 along the circumferential direction, and the bottom of the valve cover 5 is fixedly connected to the top surface of the valve body 1 through the matching of the fixing bolts 11 and the bolt holes.

In specific use, firstly, the two ends of the device are fixedly connected to the pipelines to be conveyed through bolts under the action of the mounting holes 4, so that the air inlet channel 2 and the air outlet channel 3 are respectively communicated with the pipelines at the two ends, the sealing gasket is abutted at the joint of the two ends, the tightness after connection can be ensured, when the flow of the device needs to be regulated, the hand wheel 17 is rotated to drive the adjusting screw 16 to rotate, thereby driving the moving plate 12 to slide up and down on the guide rod 13, simultaneously driving the moving rod 9 to slide up and down, driving the valve core 7 and the T-shaped through hole 6 to separate, and the threaded connection mode can enable the valve core 7 to perform stable micro-regulation in the T-shaped through hole 6, so that the stability of the flow conveyed by the valve core is regulated, and the service efficiency of the device is increased.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. A fuel gas proportional control valve is characterized in that: including valve body (1) and valve gap (5), valve body (1) top fixed connection valve gap (5), and valve body (1) inside are equipped with disk seat (10) and through this disk seat (10) with its internal portion divide into mutually independent inlet channel (2) and outlet channel (3), inlet channel (2) and outlet channel (3) are located the both ends of valve body (1) respectively, T type through-hole (6) have been seted up at disk seat (10) middle part and are link up inlet channel (2) and outlet channel (3) mutually through this T type through-hole (6), be equipped with case (7) that can reciprocate in T type through-hole (6), case (7) top is equipped with connecting seat (8), connecting seat (8) top is equipped with movable rod (9) and extends to valve gap (5) top surface outside, valve gap (5) top surface is equipped with the adjusting device that enables movable rod (9) reciprocates.

2. The fuel gas proportional control valve of claim 1, wherein: the adjusting device comprises a moving plate (12), guide rods (13), fixing seats (14) and adjusting bolts (15), wherein the guide rods (13) are fixedly arranged at two ends of the top surface of the valve cover (5), the guide rods (13) are connected with the moving plate (12) in a sliding mode jointly, the fixing seats (14) are connected with the top surface jointly, the middle of each fixing seat (14) is penetrated with the adjusting bolts (15) and extends to the top surface of the moving plate (12), and the bottom end of each adjusting bolt (15) is rotatably connected with the corresponding moving plate (12) through bearing support.

3. The fuel gas proportional control valve of claim 2, wherein: the outer side surface of the adjusting bolt (15) is provided with a locking nut (16) at the contact position of the top surface of the fixed seat (14), and the end part of the top surface is also fixedly provided with a hand wheel (17).

4. The fuel gas proportional control valve of claim 1, wherein: the top surface of the valve body (1) and the bottom surface of the valve cover (5) are of disc-shaped structures which are matched with each other for use, a plurality of threaded holes are further formed in the top surface of the valve body (1) along the circumferential direction, and the bottom of the valve cover (5) is fixedly connected to the top surface of the valve body (1) through the matching of the fixing bolts (11) and the bolt holes.

5. The fuel gas proportional control valve of claim 1, wherein: the left end and the right end of the valve body (1) are of disc-shaped structures, and a plurality of mounting holes (4) are formed in the circumferential surfaces of the outer sides of the air inlet channel (2) and the air outlet channel (3).

6. The fuel gas proportional control valve of claim 1, wherein: a sealing ring (18) is further arranged on the circumferential surface of the top wall of the valve body (1) at the through hole of the moving rod (9).