CN220268599U

CN220268599U - Natural gas valve

Info

Publication number: CN220268599U
Application number: CN202321336859.0U
Authority: CN
Inventors: 任颜木
Original assignee: Yuhuan Shuangyou Copper Industry Co ltd
Current assignee: Yuhuan Shuangyou Copper Industry Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-12-29
Anticipated expiration: 2033-05-30

Abstract

The utility model provides a natural gas valve, and belongs to the technical field of valve manufacturing. The natural gas valve solves the problems that an existing natural gas valve lacks a limiting part, an operating handle of the natural gas valve cannot be positioned, and the like. The natural gas valve comprises a valve body, wherein a valve rod sleeve is fixedly connected to the top of the valve body, a valve seat is fixedly connected to the top of the valve rod sleeve, a panel is fixedly connected to the top of the valve seat, an operating rod is movably connected to the left side of the back surface of the valve seat, a rotating disc is fixedly connected to the rear side of the outer ring surface of the operating rod, a positioning device is arranged on the left side of the bottom of the panel, and a connecting device is arranged on the left side and the right side of the valve body. The utility model has a limiting part and can adjust the lengths of the air inlet end and the air outlet end.

Description

Natural gas valve

Technical Field

The utility model belongs to the technical field of valve manufacturing, and particularly relates to a natural gas valve.

Background

The utility model patent of patent application publication number CN210034621U discloses a leak-proof natural gas valve, which comprises a valve body, wherein a sealing seat is arranged at the top of the valve body, an upper valve rod penetrating through the top of the valve body is movably arranged at the inner side of the sealing seat, a valve core is arranged at the bottom end of the upper valve rod at the inner side of the valve body, and a vent hole is formed in the middle of the side surface of the valve core. The valve rod is movably connected to the inner side of the sealing seat installed on the top of the valve body, the outer side of the upper valve rod is provided with the sealing ring, the situation that a person rotates the hand wheel for a long time to cause the sealing seat to have gaps to cause natural gas leakage can be avoided, the valve body is provided with the first connecting pipe and the second connecting pipe which are respectively fixedly installed through bolts, the sealing ring arranged between the first connecting pipe and the second connecting pipe and the valve body can prevent natural gas from leaking from the joint, and the side face of the first connecting pipe is welded with thousands of reinforcing ribs, so that the strength of a shell of the valve body can be increased, and the service life of the valve body is prolonged.

However, the natural gas valve still has some defects in actual use, obviously lacks a limiting component, cannot position an operating handle of the natural gas valve, is extremely easy to rotate when external acting force acts on the operating handle accidentally, is unfavorable for the use of the natural gas valve, cannot adjust the lengths of an air inlet end and an air outlet end of the natural gas valve, and easily has the condition of incapable installation when the natural gas valve is connected with an external pipeline and has a length error.

Disclosure of Invention

The present utility model has been made keeping in mind the above problems occurring in the prior art, and an object of the present utility model is to provide a natural gas valve having a limiting member and adjusting the lengths of an inlet end and an outlet end.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a natural gas valve, includes the valve body, the top fixedly connected with valve rod cover of valve body, the top fixedly connected with disk seat of valve rod cover, the top fixedly connected with panel of disk seat, the left side swing joint of disk seat back surface have the action bars, the rear side fixedly connected with rolling disc of action bars outer lane surface, the left side of panel bottom install positioner, the left and right sides of valve body install connecting device.

The natural gas valve is matched with the positioning device through the connecting device, the operating handle of the natural gas valve can be positioned, when external acting force acts on the operating handle accidentally, the rotating condition cannot occur, the use of the natural gas valve is facilitated, the length of the gas inlet end and the length of the gas outlet end of the natural gas valve can be adjusted, and when the natural gas valve is connected with an external pipeline, the condition that the natural gas valve cannot be installed cannot occur when the length error occurs.

In the above natural gas valve, the connecting device comprises two telescopic tubes, the two telescopic tubes are distributed left and right, the inner side of the telescopic tube is fixedly connected with the valve body, and the outer side of the telescopic tube is fixedly connected with the flange plate. The length of the natural gas valve can be adjusted through the telescopic pipe, so that the subsequent installation is convenient.

In the above natural gas valve, the outer ring on the left side surface of the flange plate is provided with the connecting screw hole in a penetrating manner, the front side and the rear side of the outer ring surface of the flange plate are fixedly connected with limiting blocks, the inner side of each limiting block is fixedly connected with a movable screw, and the inner side of the outer ring surface of the movable screw is sleeved with a rotary screw. Through ring flange and connection screw, make things convenient for flexible pipe and external pipeline to be connected, made things convenient for the installation of natural gas valve.

In the above natural gas valve, the positioning device comprises a positioning block, the top of the positioning block is fixedly connected with the left side of the bottom surface of the panel, a sliding hole is formed in the front surface of the positioning block in a penetrating manner, a positioning rod is arranged in the inner cavity of the sliding hole in a penetrating manner, and the rear side of the positioning rod is penetrated to the rear side of the rotating disc. Through the hole that slides, made things convenient for the fore-and-aft movement of locating lever, avoid appearing unable mobile situation.

In the above natural gas valve, the left side of the front surface of the rotating disc is provided with the positioning hole matched with the positioning rod in a penetrating way, and the inner ring of the positioning hole and the inner ring of the sliding hole are in sliding contact with the surface of the positioning rod. Through locating lever and locating hole, can fix a position the rolling disc, avoid the random rotation of rolling disc.

In the natural gas valve, the left side and the right side on the outer ring surface of the positioning rod are fixedly connected with a limiting clamping block and positioned on the rear side of the positioning block, the front surface of the positioning rod is fixedly connected with a pull plate, the outer ring on the back surface of the pull plate is fixedly connected with a reset spring, the rear side of the reset spring is fixedly connected with the positioning block, sliding grooves matched with the limiting clamping block are formed in the left side and the right side of the inner cavity of the sliding hole in a penetrating mode, and placing grooves matched with the limiting clamping block in use are formed in the top and the bottom of the inner cavity of the sliding hole, and the surfaces of the limiting clamping block are in sliding contact with the sliding grooves and the inner cavities of the placing grooves. Through placing the recess, can carry out spacing placing to spacing fixture block, avoid the random removal of locating lever.

Compared with the prior art, the utility model has the following advantages:

1. the natural gas valve has the advantages of limiting parts by matching the pull plate, the reset spring, the limiting clamping block, the positioning rod, the positioning block, the sliding groove, the placing groove and the sliding hole, can position the operating handle of the natural gas valve, does not generate rotation when external acting force acts on the operating handle accidentally, and is beneficial to the use of the natural gas valve.

2. The utility model has the advantage of adjusting the lengths of the air inlet end and the air outlet end through the matched use of the limiting block, the movable screw rod, the rotary screw pipe, the telescopic pipe, the connecting screw hole and the flange plate, and can be continuously installed when the device is connected with an external pipeline and has a length error.

Drawings

Fig. 1 is an isometric view of the structure of the present utility model.

Fig. 2 is an isometric view of the structure of the connecting device of the present utility model.

Fig. 3 is an isometric view of the structure of the positioning device of the present utility model.

Fig. 4 is an isometric view of the positioning block structure of the present utility model.

In the figure: 1. a valve body; 2. a connecting device; 21. a limiting block; 22. moving the screw; 23. rotating the spiral tube; 24. a telescopic tube; 25. a connecting screw hole; 26. a flange plate; 3. a panel; 4. a positioning device; 41. pulling a plate; 42. a return spring; 43. a limit clamping block; 44. a positioning rod; 45. a positioning block; 46. a slip groove; 47. placing the groove; 48. a slip hole; 5. a rotating disc; 6. an operation lever; 7. a valve seat; 8. a valve stem cover.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1, 2, 3 and 4, the natural gas valve comprises a valve body 1, a valve rod sleeve 8 is fixedly connected to the top of the valve body 1, a valve seat 7 is fixedly connected to the top of the valve rod sleeve 8, a panel 3 is fixedly connected to the top of the valve seat 7, an operating rod 6 is movably connected to the left side of the back surface of the valve seat 7, a rotating disc 5 is fixedly connected to the rear side of the outer ring surface of the operating rod 6, a positioning device 4 is arranged on the left side of the bottom of the panel 3, and a connecting device 2 is arranged on the left side and the right side of the valve body 1.

The connecting device 2 comprises two telescopic pipes 24, the two telescopic pipes 24 are distributed left and right, the inner side of the telescopic pipe 24 is fixedly connected with the valve body 1, and the outer side of the telescopic pipe 24 is fixedly connected with a flange 26.

The outer lane on the left side surface of the flange 26 runs through and has been offered and connect screw 25, and the front side and the rear side on flange 26 outer lane surface all fixedly connected with stopper 21, the inboard fixedly connected with of stopper 21 removes screw rod 22, and the inboard thread bush on removal screw rod 22 outer lane surface is equipped with rotates screwed pipe 23, through flange 26 and connect screw 25, makes things convenient for flexible pipe 24 to be connected with external pipeline, has made things convenient for the installation of natural pneumatic valve.

The positioning device 4 comprises a positioning block 45, the top of the positioning block 45 is fixedly connected with the left side of the bottom surface of the panel 3, a sliding hole 48 is formed in the front surface of the positioning block 45 in a penetrating mode, a positioning rod 44 is arranged in an inner cavity of the sliding hole 48 in a penetrating mode, the rear side of the positioning rod 44 is penetrated to the rear side of the rotating disc 5, and the positioning rod 44 can conveniently move forwards and backwards through the sliding hole 48, so that the situation that the positioning rod 44 cannot move is avoided.

The left side of the front surface of the rotating disc 5 is penetrated and provided with a positioning hole matched with the positioning rod 44, the inner ring of the positioning hole and the inner ring of the sliding hole 48 are in sliding contact with the surface of the positioning rod 44, and the rotating disc 5 can be positioned through the positioning rod 44 and the positioning hole, so that random rotation of the rotating disc 5 is avoided.

The left side and the right side on locating lever 44 outer lane surface just are located locating piece 45's rear side fixedly connected with spacing fixture block 43, locating lever 44's positive surface fixedly connected with arm-tie 41, arm-tie 41 back surface's outer lane fixedly connected with reset spring 42, reset spring 42's rear side and locating piece 45 fixed connection, the left and right sides of the hole inner chamber of sliding 48 all runs through set up with spacing fixture block 43 cooperation use slide groove 46, slide hole 48 inner chamber top and bottom all set up with spacing fixture block 43 cooperation use place groove 47, spacing fixture block 43's surface and slide groove 46 and place the inner chamber of groove 47 and be sliding contact, through placing groove 47, can carry out spacing placing to spacing fixture block 43, avoid the random removal of locating lever 44.

When the device is used, when the length of the natural gas valve is larger than the length of a gap between two pipelines outside, a spanner is utilized to reversely rotate the screw pipes 23 to drive the two movable screw rods 22 to move inwards, the telescopic pipes 24 at the moment are compressed, the length of the natural gas valve is reduced, the natural gas valve is placed between the two pipelines outside after adjustment, and the connection and the installation can be carried out by utilizing bolts to penetrate through flanges of the pipelines outside and flanges 26 on the telescopic pipes 24; when the natural gas valve is required to be closed or opened, the pull plate 41 is pulled backwards to drive the positioning rod 44 to move backwards, the reset spring 42 is stretched, the limiting clamping block 43 is moved to the rear side of the sliding groove 46, the pull plate 41 is reversed for ninety degrees, the limiting clamping block 43 corresponds to the placing groove 47, the pull plate 41 is stopped to be pulled, the reset spring 42 drives the positioning rod 44 to reset, the limiting clamping block 43 is clamped in the placing groove 47, and finally the rotating disc 5 is rotated forwards or reversely.

What is not described in detail in this specification is prior art known to those skilled in the art. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. Natural gas valve, comprising a valve body (1), characterized in that: the top of valve body (1) fixedly connected with valve rod cover (8), the top fixedly connected with disk seat (7) of valve rod cover (8), the top fixedly connected with panel (3) of disk seat (7), the left side swing joint of disk seat (7) back surface have action bars (6), the rear side fixedly connected with rolling disc (5) of action bars (6) outer lane surface, the left side of panel (3) bottom install positioner (4), the left and right sides of valve body (1) install connecting device (2), positioner (4) including locating piece (45), the top of locating piece (45) and the left side fixed connection of panel (3) bottom surface, the positive surface of locating piece (45) run through and set up sliding hole (48), the inner chamber of sliding hole (48) run through and be provided with locating lever (44), the rear side of locating lever (44) run through to the rear side of rolling disc (5), the positive surface of rolling disc (5) be equipped with locating hole (44) and sliding hole (44) that make contact with inner race (44) surface and locating hole, the utility model provides a locating lever (44) outer lane surface's left side and right side and be located rear side fixedly connected with spacing fixture block (43) of locating piece (45), the positive surface fixedly connected with arm-tie (41) of locating lever (44), the outer lane fixedly connected with reset spring (42) of arm-tie (41) back surface, the rear side and locating piece (45) fixed connection of reset spring (42), the left and right sides of sliding hole (48) inner chamber all run through and have offered slip recess (46) that use with spacing fixture block (43) cooperation, top and bottom of sliding hole (48) inner chamber all seted up and spacing fixture block (43) cooperation use place recess (47), the surface of spacing fixture block (43) with the inner chamber of slip recess (46) and place recess (47) be sliding contact.

2. A natural gas valve according to claim 1, wherein: the connecting device (2) comprises two telescopic pipes (24), the two telescopic pipes (24) are distributed left and right, the inner side of each telescopic pipe (24) is fixedly connected with the valve body (1), and the outer side of each telescopic pipe (24) is fixedly connected with a flange plate (26).

3. A natural gas valve as defined in claim 2, wherein: the outer ring of ring flange (26) left side surface run through and have offered connecting screw (25), the front side and the rear side of ring flange (26) outer lane surface all fixedly connected with stopper (21), the inboard fixedly connected with of stopper (21) remove screw rod (22), the inboard thread bush of removal screw rod (22) outer lane surface be equipped with rotation screwed pipe (23).