CN217927440U

CN217927440U - Variable speed switch device for gas buried valve

Info

Publication number: CN217927440U
Application number: CN202221218818.7U
Authority: CN
Inventors: 刘鑫; 李东兵; 胡京安; 马东; 苏振; 郗瑞
Original assignee: Jinan Towngas Co ltd
Current assignee: Jinan Towngas Co ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-11-29
Anticipated expiration: 2032-05-19

Abstract

The utility model provides a gas buries ground valve variable speed switch device, including the valve main part, valve main part upper end installation box body, the box body front side sets up protruding type carousel, the convex part rear end of protruding type carousel sets up the arch, the circular oil tank of the inside right wall fixed connection of box body, the inside sliding connection piston of circular oil tank, piston front end intermediate position fixed connection movable rod, set up the elastic component between piston front end and the inside antetheca of circular oil tank, the fixed spray tube of circular oil tank lower extreme rear side border position intercommunication, this design rotate the in-process at protruding type carousel, utilize the arch to make movable rod and piston remove backward, and then make lubricating oil in the circular oil tank spray to big conical gear and little conical gear meshing position through the spray tube to lubricating oil, realize the variable speed operation and produce the linkage with the operation of oiling, reach the purpose of automatic oiling, effectively avoid taking place to forget the operation of oiling, the suitability is good.

Description

Gas buried valve speed-changing switch device

Technical Field

The utility model belongs to the gas valve field, specifically speaking are a gas buries ground valve variable speed switch device.

Background

The fuel gas is the general name of gas fuel, it can burn and give off heat, for resident and industrial enterprise to use, in the gas engineering, generally can adopt the buried valve of fuel gas to control opening and shutting of the main access of the gas pipeline, and the buried valve of fuel gas can utilize the switch to carry out the control operation, the buried valve variable speed switching device of fuel gas among the prior art generally can utilize the gear structure to carry out the control operation, and in order to guarantee the normal operating of gear structure, generally will carry out the oil treatment to the gear structure regularly, the operation of oiling easily takes place to forget, the suitability is poor, therefore need design the buried valve variable speed switching device of fuel gas to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a gas buries ground valve variable speed switch device for solve the defect among the prior art, the utility model discloses realize the variable speed operation and produce the linkage with the operation of oiling, reach the purpose of automatic oiling, the suitability is good.

The utility model discloses a following technical scheme realizes:

fuel gas buries ground valve variable speed switching device, including the valve main part, its characterized in that: the valve comprises a valve body, a fixed mounting box body, one side of the box body is rotated and is provided with a convex type turntable, a rotating shaft is fixedly arranged on the convex type turntable, one end of the rotating shaft extends into the box body, a small conical gear is fixedly mounted in the box body, a large conical gear connected with a valve rod of the valve body is arranged in the box body, the large conical gear is meshed and matched with the small conical gear, a bulge is arranged on the rear side of a convex part of the convex type turntable, a circular oil tank used for storing lubricating liquid is fixedly mounted in the box body, a piston is mounted in the circular oil tank in a matched mode, one side of the piston is fixedly connected with one end of a movable rod, the other end of the movable rod sequentially penetrates through the circular oil tank, the box body can be matched with the bulge in a sliding contact mode, the piston is connected with the oil tank through an elastic piece, a spray pipe with a one-way valve is communicated and mounted on one side of the circular oil tank, and a nozzle of the spray pipe is arranged towards the position where the large conical gear is meshed with the small conical gear.

According to the variable speed switch device of the gas underground valve, the rolling component is arranged at the front end of the movable rod.

According to the variable speed switch device for the fuel gas buried valve, the top side of the box body is provided with the angle scale lines distributed circumferentially, one side of the large bevel gear is fixedly connected with one end of the coaxial connecting shaft, and the other end of the connecting shaft extends out of the top of the box body and is fixedly provided with the indicating plate.

According to the variable speed switch device of the fuel gas buried valve, the transparent cover is fixedly installed on the box body, and the angle scale line, the connecting shaft and the indicating plate are located in the transparent cover.

According to the variable speed switch device of the fuel gas buried valve, the rear end of the circular oil tank is communicated with the air pipe with the one-way valve, and the outer end of the air pipe extends out of the box body.

According to the variable speed switch device of the fuel gas buried valve, the rear side of the top of the round oil tank is communicated with and provided with the connecting pipe with the one-way valve, the outer end of the connecting pipe extends out through the top side of the box body, and the upper end of the connecting pipe is communicated with and provided with the liquid adding barrel.

According to the variable speed switch device of the fuel gas buried valve, the sealing cover is installed at the upper end of the liquid adding cylinder in a threaded fit mode.

The utility model has the advantages that:

1. in the rotation process of the convex turntable, the movable rod and the piston are moved backwards by the aid of the protrusions, so that lubricating oil in the circular oil tank is squeezed into the spray pipe, the spray pipe is reused for spraying lubricating oil to the meshing position of the large conical gear and the small conical gear, the variable speed operation and the oiling operation are linked, the purpose of automatic oiling is achieved, the phenomenon that oiling operation is forgotten is effectively avoided, and the applicability is good.

2. Utilize protruding type carousel, make pivot and little bevel gear rotatory to make the operating portion of big bevel gear, valve main part take place to rotate, realize carrying out variable speed operation to the gas, at big bevel gear rotation in-process, can make the connecting axle take place to rotate, and then make the indicator panel rotate on the scale mark, thereby utilize indicator panel and scale mark to come directly perceived to observe the operation result, convenient to use promotes the operation effect.

3. Lubricating oil is added into the liquid adding cylinder firstly, so that the lubricating oil enters the circular oil tank along the connecting pipe, the lubricating oil is added into the circular oil tank, and after the addition is completed, the sealing cover is connected to the liquid adding cylinder in a threaded mode, and then the opening of the liquid adding cylinder is plugged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural view of the gas buried valve variable speed switch device of the utility model; FIG. 2 is an assembly drawing of the convex rotary table, the box body, the movable rod, the circular oil tank, the piston and the spring of the gas buried valve variable speed switch device of the utility model; FIG. 3 is a top view of the box body of the gas buried valve variable speed switch device of the present invention; fig. 4 is a cross-sectional view of the circular oil tank in the gas buried valve variable speed switch device of the utility model.

Reference numerals are as follows: 1-valve body, 2-convex rotary table, 3-box body, 4-movable rod, 5-nozzle, 6-circular oil tank, 7-piston, 8-spring, 21-protrusion, 22-rotating shaft, 23-small conical gear, 24-large conical gear, 25-connecting shaft, 26-indicating plate, 31-transparent cover, 32-sealing cover, 33-liquid feeding cylinder, 41-universal ball, 61-air pipe and 62-connecting pipe.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The variable speed switch device of the fuel gas buried valve is shown in figures 1, 2, 3 and 4, and comprises a valve main body 1 and is characterized in that: a box body 3 is fixedly arranged on a valve main body 1, the box body 3 is fixedly connected with the valve main body 1 through a connecting rod, the connecting rod is not shown in the figure, a convex turntable 2 is arranged on one side of the box body 3 in a rotating mode, a rotating shaft 22 is fixedly arranged on the convex turntable 2, the front end of the rotating shaft 22 is fixedly connected with the rear side of the convex turntable 2, the rotating shaft 22 is coaxial with the convex turntable 2, the rotating shaft 22 is rotatably arranged on the box body 3, the outer periphery of the rotating shaft 22 is rotatably connected with the inner periphery of a reserved hole on the box body 3 through a bearing, one end of the rotating shaft 22 extends into the box body 3 and is fixedly provided with a small bevel gear 23, the rotating shaft 22 is coaxial with the small bevel gear 23, a large bevel gear 24 connected with a valve rod of the valve main body 1 is arranged in the box body 3, the large bevel gear 24 is positioned at the bottom of the box body 3, the upper end of the valve rod of the valve main body 1 extends into the box body 3 through the reserved hole on the box body 3, the large bevel gear 24 is fixedly arranged on the valve rod of the valve main body 1, the large bevel gear 24 is coaxial with a valve rod of the valve main body 1, the large bevel gear 24 is meshed with the small bevel gear 23, the rear side of the convex part of the convex rotary table 2 is provided with a bulge 21, the round oil tank 6 for storing lubricating liquid is fixedly arranged in the box body 3, the piston 7 is arranged in the round oil tank 6 in a matching way, the periphery of the piston 7 is matched with the inner periphery of the round oil tank 6 in an airtight sliding contact way, one side of the piston 7 is fixedly connected with one end of the movable rod 4, the other end of the movable rod 4 sequentially penetrates through the round oil tank 6 and the box body 3 and can be matched with the bulge 21 in a sliding contact way, the periphery of the movable rod 4 is matched with a reserved hole on the round oil tank 6 and a reserved hole on the box body 3 in a sliding contact way, the piston 7 is connected with the oil tank 6 through an elastic piece, the piston 7 returns to the original position by utilizing the elastic piece, when the elastic piece adopts the spring 8, the spring 8 is movably sleeved on the periphery of the movable rod 4, one side of the circular oil tank 6 is communicated with and provided with a spray pipe 5 with a one-way valve, and the spray pipe 5 sprays lubricating oil, so that the spray opening of the spray pipe 5 faces to the position where the large bevel gear 24 is meshed with the small bevel gear 23. The utility model discloses realize that variable speed operation and the operation of oiling produce the linkage, reach the purpose of automatic oiling, the suitability is good. When the utility model is used, the convex turntable 2 is firstly rotated, so that the rotating shaft 22 is rotated, and the small bevel gear 23 is further rotated, and the large bevel gear 24 is rotated by the rotation of the small bevel gear 23 due to the meshing fit of the large bevel gear 24 and the small bevel gear 23, so that the valve rod of the valve main body 1 is driven to rotate, and the speed change operation of the fuel gas is realized; when protruding type carousel 2 rotated, when protruding 21 was located the place ahead of movable rod 4, protruding 21 promoted movable rod 4 each other, make movable rod 4 backward movement, the elastic component is stretched, movable rod 4 drives piston 7 and moves backward along circular oil tank 6, the lubricating oil in the circular oil tank 6 passes through spray tube 5 blowout, the lubricating oil spouts in big conical gear 24 and little conical gear 23 meshing complex position, lubricate, after protruding 21 separates with movable rod 4, under the effect of elastic component, piston 7 resets along the forward movement of circular oil tank 6, realize that variable speed operation and oiling operation produce the linkage, reach the purpose of automatic oiling, effectively avoid taking place to forget the operation of oiling, the suitability is good.

Specifically, as shown in the drawing, the rolling member is attached to the front end of the active lever 4 according to the present embodiment. Set up rolling element on movable rod 4, effectively avoid taking place hard striking between movable rod 4 and the arch 21, rolling element can adopt universal ball 41, and universal ball 41 and the cooperation of protruding 21 contact are passed through to the front end of movable rod 4, and universal ball 41 rolls along arch 21, converts sliding friction into rolling friction, reducing wear.

Specifically, as shown in the figure, this embodiment the top side of box body 3 is equipped with the angle scale mark that the circumference distributes, and the one end of the coaxial connecting axle 25 of one side fixed connection of big bevel gear 24, the other end of connecting axle 25 stretch out the 3 tops of box body to fixed mounting indicator board 26, the inner week of preformed hole on the periphery of connecting axle 25 and the box body 3 passes through the bearing rotation and is connected, indicator board 26 can use with the cooperation of angle scale mark, and indicator board 26 is located the 3 tops of box body. In the rotation process of the large bevel gear 24, the connecting shaft 25 can be rotated, and then the indicating plate 26 is rotated on the scale marks, so that the operating result can be visually observed by utilizing the indicating plate 26 and the scale marks, the operation is convenient, and the operation effect is improved.

Specifically, as shown in the figure, a transparent cover 31 is fixedly installed on the box body 3, and the angle scale lines, the connecting shaft 25 and the indicating plate 26 are located in the transparent cover 31. The transparent cover 31 protects the angle scale lines, the connecting shaft 25 and the indicating plate 26.

Specifically, as shown in the figure, the rear end of the circular oil tank 6 of the present embodiment is installed with an air pipe 61 having a one-way valve in a communicating manner, and the outer end of the air pipe 61 extends out of the box body 3. When the piston 7 moves forward along the circular oil tank 6, the external gas enters the circular oil tank 6 along the gas pipe 61, so that the gas in the circular oil tank 6 is compensated, and a large pressure difference between the internal pressure and the external pressure of the circular oil tank 6 is avoided.

Specifically, as shown in the figure, the rear side of the top of the circular oil tank 6 in this embodiment is provided with a connecting pipe 62 with a check valve in a communicating manner, the outer end of the connecting pipe 62 extends out through the top side of the box body 3, the upper end of the connecting pipe 62 is provided with a filling cylinder 33 in a communicating manner, and the filling cylinder 33 is fixed on the top side of the box body 3. The liquid adding cylinder 33 is communicated with the interior of the circular oil tank 6 through the connecting pipe 62, when lubricating oil is added into the circular oil tank 6, the lubricating oil is injected into the liquid adding cylinder 33 through pressure, the lubricating oil can enter the circular oil tank 6 along the connecting pipe 62, and the lubricating oil is added into the circular oil tank 6.

Specifically, as shown in the figure, the sealing cover 32 is installed on the upper end of the charging barrel 33 in a threaded fit manner in the embodiment. After the lubricating oil is supplied through the charging barrel 33, the sealing cap 32 is screwed to the upper end of the charging barrel 33, so that the upper end of the charging barrel 33 is closed.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. Fuel gas buries ground valve variable speed switch device, including valve main part (1), its characterized in that: fixedly mounting a box body (3) on a valve main body (1), one side of the box body (3) is rotatably provided with a convex turntable (2), the convex turntable (2) is fixedly provided with a rotating shaft (22), the rotating shaft (22) is rotatably mounted on the box body (3), one end of the rotating shaft (22) extends into the box body (3), and fixedly mounting a small conical gear (23), a large conical gear (24) connected with a valve rod of the valve main body (1) is arranged in the box body (3), the large conical gear (24) is meshed with the small conical gear (23) in a matched manner, a bulge (21) is arranged on the rear side of a convex part of the convex turntable (2), a circular oil tank (6) used for storing lubricating liquid is fixedly mounted in the box body (3), a piston (7) is mounted in the circular oil tank (6) in a matched manner, one side of the piston (7) is fixedly connected with one end of a movable rod (4), the other end of the movable rod (4) sequentially penetrates through the circular oil tank (6), the box body (3) and can be in a sliding contact with the bulge (21) in a matched manner, the piston (7) is connected with the oil tank (6) through an elastic piece, one-way that the one-way nozzle (5) of the circular spray pipe (5) is communicated with the small conical gear (5) arranged towards the one-way.

2. The variable speed switch device of the gas buried valve according to claim 1, characterized in that: the front end of the movable rod (4) is provided with a rolling component.

3. The gas buried valve variable speed switch device according to claim 1, characterized in that: the top side of box body (3) is equipped with the angle scale mark that the circumference distributes, and one side fixed connection coaxial connecting axle (25)'s of big bevel gear (24) one end, and the other end of connecting axle (25) stretches out box body (3) top to fixed mounting indicator board (26).

4. The gas buried valve variable speed switch device according to claim 3, characterized in that: a transparent cover (31) is fixedly installed on the box body (3), and the angle scale lines, the connecting shaft (25) and the indicating plate (26) are located in the transparent cover (31).

5. The variable speed switch device of the gas buried valve according to claim 1, characterized in that: the rear end of the circular oil tank (6) is communicated with an air pipe (61) with a one-way valve, and the outer end of the air pipe (61) extends out of the box body (3).

6. The variable speed switch device of the gas buried valve according to claim 1, characterized in that: the rear side of the top of the circular oil tank (6) is communicated with a connecting pipe (62) with a one-way valve, the outer end of the connecting pipe (62) extends out through the top side of the box body (3), and the upper end of the connecting pipe (62) is communicated with a liquid adding barrel (33).

7. The variable speed switch device of the gas buried valve according to claim 6, characterized in that: the upper end of the liquid adding barrel (33) is provided with a sealing cover (32) in a threaded fit manner.