CN216923287U - Ball valve for laboratory gas pipeline - Google Patents

Abstract

The utility model discloses a ball valve for a laboratory gas pipeline, which comprises a conveying pipe, wherein an assembly table is movably arranged at the center of the top end of the conveying pipe, the bottom end of the assembly table is clamped into the conveying pipe, spring arc grooves are respectively arranged on two sides of the outer surface of the bottom end of the assembly table, compression springs are respectively movably arranged in the spring arc grooves, spring arc buckles are respectively movably arranged on the surfaces of the compression springs, and two assembly arc grooves are respectively arranged on the surface of the conveying pipe, which is provided with the assembly table. According to the utility model, through the matching of the spring arc buckle and the assembling arc groove, the assembling table can be pulled out upwards through slight rotation at any time when the device is used, so that the cambered surface on the surface of the spring arc buckle is attached to the cambered surface on the surface of the assembling arc groove, and the spring arc buckle can be retracted into the spring arc groove, so that the assembling table can be taken down from the top end surface of the conveying pipe, and further, the movable ball body and the valve rod in the assembling table can be directly taken out, so that the assembling table can be maintained and cleaned.

Description

Ball valve for laboratory gas pipeline

Technical Field

The utility model relates to the technical field of design of ball valves for gas pipelines, in particular to a ball valve for a laboratory gas pipeline.

Background

With the rapid development of social economy, the opening and closing piece (ball body) of the ball valve is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels. The valve of this type should be generally installed horizontally in the pipeline.

However, when the existing ball valve for the gas pipeline is used, the ball body in the existing ball valve is very difficult to take out, so that the device is difficult to clean and maintain the interior of the ball body timely and effectively, and is very inconvenient; therefore, the existing requirements are not met, and a ball valve for a laboratory gas pipeline is provided for the requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a ball valve for a laboratory gas pipeline, which solves the problems that when the ball valve for the gas pipeline provided in the background technology is used, an inner ball body is very difficult to take out, the device is difficult to timely and effectively clean and maintain the inner part of the ball body, and the device is very inconvenient.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a laboratory is ball valve for gas pipeline, includes the conveying pipe, the central point on conveying pipe top puts movable mounting has the mount table, the inside of conveying pipe is gone into to the bottom card of mount table, the both sides of mount table bottom surface all are equipped with spring arc groove, the equal movable mounting in inside of spring arc groove has compression spring, compression spring's the equal movable mounting in surface has spring arc to detain, the surface that the mount table was installed to the conveying pipe is equipped with two assembly arc grooves, spring arc detains the inside that equal card goes into the assembly arc groove, the fixed position that the mount table was installed to the conveying pipe has the baffle, the bottom surface of mount table and the laminating of the top surface of baffle.

Preferably, the inside movable mounting of transport pipe has movable spheroid, movable spheroid's top surface is equipped with the spheroid apical trough, the inside movable mounting of assembly bench has the valve rod, the position card that the valve rod is close to the bottom is gone into the inside in spheroid apical trough, the bottom fixed surface of valve rod installs two valve rod end buckles, the inside in spheroid apical trough is equipped with two spheroid inside grooves, the inside of spheroid inside groove is all gone into to the valve rod end buckle.

Preferably, the top movable mounting of assembly bench has the activity post, the top of valve rod runs through the bottom surface of activity post and extends to the inside of activity post, is located inside the activity post the top activity of valve rod is equipped with the stopper.

Preferably, the top movable mounting of activity post has the top cap, the top fixed mounting of valve rod has square dead lever, the bottom fixed surface of top cap installs the top cap sealing washer, the inside of activity post is gone into to the top cap sealing washer card, the inside extension card that the stopper was run through in the top of square dead lever goes into the inside of top cap sealing washer.

Preferably, the outer surface of the top cover is fixedly provided with a valve door handle.

Preferably, the surfaces of the two ends of the conveying pipe are respectively and movably provided with a flange, and the outer surface of each flange is provided with a plurality of flange through holes.

Preferably, the assembly table and the movable column are fixedly connected through bolts.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the matching of the spring arc buckle and the assembling arc groove, the assembling table can be pulled out upwards through slight rotation at any time when the device is used, so that the cambered surface on the surface of the spring arc buckle is attached to the cambered surface on the surface of the assembling arc groove, and the spring arc buckle can be retracted into the spring arc groove, so that the assembling table can be taken down from the top end surface of the conveying pipe, and further, the movable ball body and the valve rod in the assembling table can be directly taken out, so that the assembling table can be maintained and cleaned;

2. according to the utility model, the internal sphere groove is arranged in the top sphere groove, so that when the movable sphere is driven to rotate by the valve rod, the valve rod and the movable sphere can be assembled more stably through the matching of the internal sphere groove and the valve rod bottom buckle, and accidents caused by the falling of the movable sphere from the bottom end of the valve rod can be prevented.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a cross-sectional side view of the present invention as a whole;

FIG. 3 is a schematic view of a partial structure of the spring buckle of the present invention;

FIG. 4 is a partial schematic view of the stem bottom clip of the present invention.

In the figure: 1. a transport pipe; 2. a flange; 3. a flange through hole; 4. an assembly table; 5. a movable post; 6. a top cover; 7. a valve handle; 8. a movable sphere; 9. a sphere through hole; 10. a valve stem; 11. a limiting block; 12. a top cover sealing ring; 13. a square fixing rod; 14. a spring arc groove; 15. a compression spring; 16. a spring arc buckle; 17. assembling an arc groove; 18. a baffle plate; 19. a sphere top groove; 20. an inner sphere groove; 21. the valve rod bottom is buckled.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 4, an embodiment of the present invention includes: the utility model provides a laboratory is ball valve for gas pipeline, including transport pipe 1, the central point on transport pipe 1 top puts movable mounting has mount table 4, the inside of transport pipe 1 is gone into to the bottom card of mount table 4, the both sides of 4 bottom surfaces of mount table all are equipped with spring arc groove 14, the equal movable mounting in inside of spring arc groove 14 has compression spring 15, the equal movable mounting in surface of compression spring 15 has spring arc to detain 16, the surface that transport pipe 1 installed mount table 4 is equipped with two assembly arc grooves 17, spring arc detains 16 and all blocks the inside of assembling arc groove 17, the fixed position that mount table 4 was installed to transport pipe 1 has baffle 18, the bottom surface of mount table 4 and the top surface laminating of baffle 18.

Further, the inside movable mounting of transport pipe 1 has movable spheroid 8, and the top surface of movable spheroid 8 is equipped with spheroid overhead tank 19, and the inside movable mounting of mount table 4 has valve rod 10, and the position card that valve rod 10 is close to the bottom is gone into the inside of spheroid overhead tank 19, and two valve rod end buckles 21 are installed to the bottom fixed surface of valve rod 10, and the inside of spheroid overhead tank 19 is equipped with two spheroid inside grooves 20, and valve rod end buckle 21 all blocks the inside of spheroid inside groove 20.

Through adopting above-mentioned technical scheme, through the mode that sets up spheroid inside groove 20 in the inside at spheroid overhead tank 19, make activity spheroid 8 when being driven the rotation by valve rod 10, the cooperation of accessible spheroid inside groove 20 and valve rod end knot 21 makes the assembly between valve rod 10 and the activity spheroid more firm, prevents that activity spheroid 8 from droing and taking place accident from valve rod 10 bottom.

Further, the top movable mounting of mount table 4 has movable post 5, and the bottom surface that the top of valve rod 10 runs through movable post 5 extends to the inside of movable post 5, and the top activity that is located movable post 5 inside valve rod 10 is equipped with stopper 11.

By adopting the technical scheme, the square fixing rod 13 can be stabilized in the movable column 5 through the limiting block 11, so that the problem of use of the device caused by shaking of the square fixing rod 13 is prevented.

Further, a top cover 6 is movably mounted at the top end of the movable column 5, a square fixing rod 13 is fixedly mounted at the top end of the valve rod 10, a top cover sealing ring 12 is fixedly mounted on the surface of the bottom end of the top cover 6, the top cover sealing ring 12 is clamped into the movable column 5, and the top end of the square fixing rod 13 penetrates through the inside of the limiting block 11 and extends to be clamped into the top cover sealing ring 12.

Through adopting above-mentioned technical scheme, make the assembly between top cap 6 and the activity post 5 more firm through top cap sealing washer 12.

Further, a valve handle 7 is fixedly arranged on the outer surface of the top cover 6.

Further, the surfaces of the two ends of the conveying pipe 1 are respectively and movably provided with a flange 2, and the outer surface of each flange 2 is provided with a plurality of flange through holes 3.

Further, the mounting table 4 and the movable column 5 are fixed by bolting.

Through adopting above-mentioned technical scheme, the convenient in service behavior who observes valve rod 10 at any time.

The working principle is as follows: during the use, place the assigned position with the device, whether each part of inspection normally works, this device passes through the cooperation that 16 and assembly arc groove 17 were detained to the spring arc, make the device when using, can just upwards extract assembly platform 4 through slight rotation at any time, make the cambered surface on 16 surfaces of spring arc detain and the cambered surface laminating on assembly arc groove 17 surface, and then make 16 inside that can retrieve spring arc groove 17 of spring arc detain, thereby can take off assembly platform 4 from the top surface of transport pipe 1, and then make inside activity spheroid 8 and valve rod 10 directly take out, thereby maintain operation such as washing to it, etc

Through the mode that sets up spheroid inside groove 20 in the inside of spheroid overhead tank 19, make activity spheroid 8 when being driven the rotation by valve rod 10, accessible spheroid inside groove 20 and the cooperation of valve rod end buckle 21 make the assembly between valve rod 10 and the activity spheroid 8 more firm, prevent that activity spheroid 8 from droing and accident takes place from the valve rod 10 bottom.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a ball valve for laboratory gas pipeline, includes transport pipe (1), its characterized in that: the central point on transport pipe (1) top puts movable mounting has mount table (4), the inside of transport pipe (1) is gone into to the bottom card of mount table (4), the both sides of mount table (4) bottom surface all are equipped with spring arc groove (14), the equal movable mounting in inside of spring arc groove (14) has compression spring (15), the equal movable mounting in surface of compression spring (15) has spring arc to detain (16), the surface that mount table (4) were installed in transport pipe (1) is equipped with two assembly arc grooves (17), spring arc detains (16) and all blocks the inside of assembling arc groove (17), the fixed position that mount table (4) were installed in transport pipe (1) installs baffle (18), the bottom surface of mount table (4) and the top surface laminating of baffle (18).

2. The ball valve for laboratory gas pipelines according to claim 1, wherein: the inside movable mounting of transport pipe (1) has movable spheroid (8), the top surface of movable spheroid (8) is equipped with spheroid overhead tank (19), the inside movable mounting of mount table (4) has valve rod (10), the position card that valve rod (10) is close to the bottom is gone into the inside of spheroid overhead tank (19), the bottom fixed surface of valve rod (10) installs two valve rod end closures (21), the inside of spheroid overhead tank (19) is equipped with two spheroid inside grooves (20), the inside of spheroid inside groove (20) is all gone into in valve rod end closure (21).

3. The ball valve for laboratory gas pipelines according to claim 2, wherein: the top movable mounting of mount table (4) has movable post (5), the bottom surface that the top of valve rod (10) runs through movable post (5) extends to the inside of activity post (5), is located activity post (5) inside the top activity of valve rod (10) is equipped with stopper (11).

4. The ball valve for laboratory gas piping according to claim 3, wherein: the top movable mounting of activity post (5) has top cap (6), the top fixed mounting of valve rod (10) has square dead lever (13), the bottom fixed surface of top cap (6) installs top cap sealing washer (12), top cap sealing washer (12) card is gone into the inside of activity post (5), the inside of top cap sealing washer (12) is gone into to the inside extension card that stopper (11) is run through on the top of square dead lever (13) goes into the inside of top cap sealing washer (12).

5. The ball valve for laboratory gas pipelines according to claim 4, wherein: and a valve door handle (7) is fixedly arranged on the outer surface of the top cover (6).

6. The ball valve for laboratory gas pipelines according to claim 1, wherein: the surface at both ends of the conveying pipe (1) is movably provided with flanges (2), and the outer surfaces of the flanges (2) are provided with a plurality of flange through holes (3).

7. The ball valve for laboratory gas pipelines according to claim 1, wherein: the assembling table (4) and the movable column (5) are fixedly connected through bolts.

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