CN215806623U

CN215806623U - Two-way metal hard seal butterfly valve

Info

Publication number: CN215806623U
Application number: CN202121921374.9U
Authority: CN
Inventors: 方小英; 宋艳方
Original assignee: Individual
Current assignee: Shanghai Newking Valve Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-02-11
Anticipated expiration: 2031-08-17

Abstract

The utility model discloses a bidirectional metal hard sealing butterfly valve, which comprises a driving box, wherein a protective shell is fixed on the inner wall of the top end of a pipeline through a clamping mechanism, the clamping mechanism comprises a clamping groove, a movable rod is inserted into the clamping groove, the other side of the movable rod extends to the outside of the clamping groove, a third spring is wound on the outer wall of the movable rod, the other side of the third spring is fixedly connected to the inner wall of one side of the pipeline, a pull block is fixedly connected to the outer wall of the movable rod, the inner wall of one side of the pull block is fixed with the third spring, the other side of the pull block extends to the outside of one side of the pipeline, a movable groove is formed in the inner wall of the top end of the pipeline, the pull block is arranged in the movable groove, and a pull ring is fixedly connected to the other side of the pull block. The function of protecting the fixed rod and the fixed seat is realized.

Description

Two-way metal hard seal butterfly valve

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a bidirectional metal hard seal butterfly valve.

Background

The bidirectional metal hard seal butterfly valve is widely used on pipelines for conveying various corrosive and non-corrosive fluid media in water supply and drainage, heat supply, producer, coal gas, steam, natural gas, urban gas, cold and hot air, chemical smelting engineering and power generation environmental protection systems, and is used for regulating and cutting off the flow of the media.

The existing bidirectional metal hard seal butterfly valve is fixed on a pipeline by bolts, time and labor are wasted when the butterfly valve is disassembled and assembled, meanwhile, the bolt is not protected above the bolt, the bolt is exposed in the air, and the bolt can rust after being used for a long time, so that a new bidirectional metal hard seal butterfly valve is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that time and labor are wasted when a butterfly valve is disassembled and assembled, meanwhile, the bolt is not protected above the bolt, and the bolt can rust after the butterfly valve is used for a long time in the prior art, and provides a bidirectional metal hard sealing butterfly valve.

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

the utility model provides a two-way metal butterfly valve sealed firmly, includes the drive case, one side of drive case is rotated and is connected with rotatory handle, the bottom fixedly connected with valve rod of drive case, fixedly connected with connecting seat on the outer wall of valve rod, the lower terminal surface fixedly connected with pipeline of connecting seat, equal fixedly connected with fixing base on the both sides outer wall of connecting seat, the bottom of fixing base with the pipeline contacts each other.

Preferably, a fixing rod penetrates through the inside of the fixing seat, a fixing groove is formed in the inside of the pipeline, a first spring is fixedly connected to the inside of the fixing groove, the bottom end of the fixing rod is inserted into the inside of the fixing groove and extrudes the first spring, a clamping rod penetrates through the inside of the fixing rod, and a pull rod is fixedly connected to the upper end face of the other side of the clamping rod.

Preferably, the other side fixedly connected with spring No. two of joint rod, the opposite side fixedly connected with of spring No. two on the inner wall of one side of pipeline, the inside fixedly connected with cavity of one side of pipeline, spring No. two sets up the inside of cavity, all rotate on the both sides outer wall of connecting seat and be connected with the protective housing.

Preferably, the protective housing sets up the top of fixing base, insert the bottom of protective housing on the top inner wall of pipeline, the protective housing passes through latch mechanism to be fixed on the top inner wall of pipeline, latch mechanism includes the joint groove, the joint groove is seted up inside the bottom of protective housing.

Preferably, the movable rod has been inserted to the inside in joint groove, the opposite side of movable rod extends to the outside in joint groove, the winding has No. three springs on the outer wall of movable rod, the opposite side fixed connection of No. three springs is in on the inner wall of one side of pipeline, fixedly connected with draws the piece on the outer wall of movable rod.

Preferably, the inner wall of one side of the pulling block is fixed with the third spring, the other side of the pulling block extends to the outside of one side of the pipeline, a movable groove is formed in the inner wall of the top end of the pipeline, the pulling block is arranged in the movable groove, and a pulling ring is fixedly connected to the other side of the pulling block.

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

1. through running through the dead lever in the fixing base, and the dead lever inserts the inside of fixed slot, reuse joint pole runs through in the dead lever, makes the dead lever fix in the inside of fixed slot, makes the fixing base fix on the pipeline, makes the connecting seat fix on the pipeline, and the outside pulling pull rod of rethread makes the joint pole leave the inside of dead lever, makes connecting seat and pipe separation, has realized that the connecting seat is convenient for carry out the dismouting with the pipeline, has indirectly realized the function of the butterfly valve dismouting of being convenient for.

2. On inserting the top inner wall of pipeline through the bottom of protective housing, insert the inside in joint groove with the movable rod again, make the protective housing fix on the top inner wall of pipeline, realized the function to dead lever and fixing base protection.

Drawings

FIG. 1 is a schematic cross-sectional front view of a bidirectional metal hard seal butterfly valve according to the present invention;

FIG. 2 is a schematic view of a portion of the enlarged structure of FIG. 1A;

FIG. 3 is a schematic view of a portion of the enlarged structure of FIG. 1B;

fig. 4 is a schematic view of a part of the enlarged structure at C in fig. 3.

In the figure: 1. a drive box; 2. rotating the handle; 3. a valve stem; 4. a connecting seat; 5. a pipeline; 6. a fixed seat; 7. fixing the rod; 8. fixing grooves; 9. a first spring; 10. a clamping and connecting rod; 11. a pull rod; 12. a second spring; 13. a cavity; 14. a protective shell; 15. a clamping mechanism; 151. a clamping groove; 152. a movable rod; 153. a third spring; 154. pulling the block; 155. a movable groove; 156. and (4) a pull ring.

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. 1-4, a bidirectional metal hard seal butterfly valve comprises a driving box 1, one side of the driving box 1 is rotatably connected with a rotating handle 2, the bottom end of the driving box 1 is fixedly connected with a valve rod 3, the outer wall of the valve rod 3 is fixedly connected with a connecting seat 4, the lower end face of the connecting seat 4 is fixedly connected with a pipeline 5, the outer walls of the two sides of the connecting seat 4 are fixedly connected with fixed seats 6, the bottom end of the fixed seat 6 is in contact with the pipeline 5, a fixed rod 7 penetrates through the inside of the fixed seat 6, the inside of the pipeline 5 is provided with a fixed groove 8, the inside of the fixed groove 8 is fixedly connected with a first spring 9, the bottom end of the fixed rod 7 is inserted into the inside of the fixed groove 8 and extrudes the first spring 9, a clamping rod 10 penetrates through the inside of the fixed rod 7, the upper end face of the other side of the clamping rod 10 is fixedly connected with a pull rod 11, and the other side of the clamping rod 10 is fixedly connected with a second spring 12, opposite side fixed connection of No. two springs 12 is on one side inner wall of pipeline 5, the inside fixedly connected with cavity 13 of one side of pipeline 5, No. two springs 12 set up in the inside of cavity 13, all rotate on the both sides outer wall of connecting seat 4 and be connected with protective housing 14, protective housing 14 sets up the top at fixing base 6, on the bottom of protective housing 14 inserted pipeline 5's top inner wall, protective housing 14 passes through latch mechanism 15 to be fixed on pipeline 5's top inner wall.

Clamping mechanism 15 includes joint groove 151, joint groove 151 is seted up inside the bottom of protective housing 14, movable rod 152 has been inserted in the inside of joint groove 151, the other side of movable rod 152 extends to the outside in joint groove 151, the winding has No. three spring 153 on the outer wall of movable rod 152, the opposite side fixed connection of No. three spring 153 is on one side inner wall of pipeline 5, fixedly connected with draws piece 154 on the outer wall of movable rod 152, one side inner wall and No. three spring 153 of drawing piece 154 are fixed mutually, the other side of drawing piece 154 extends to one side outside of pipeline 5, movable groove 155 has been seted up on the top inner wall of pipeline 5, draw piece 154 sets up the inside at movable groove 155, the opposite side fixedly connected with pull ring 156 of drawing piece 154.

The operating principle of the present invention will now be described as follows:

when the utility model is used, the connecting seat 4 is fixed on the pipeline 5, firstly, the connecting seat 4 is placed on the upper end surface of the pipeline 5, the fixed seat 6 is contacted with the upper end surface of the pipeline 5, at the moment, the pull rod 11 is pulled outwards, the second spring 12 is extruded and contracted, the clamping rod 10 is separated from the inside of the fixed groove 8, then the fixed rod 7 is inserted into the fixed seat 6, the bottom end of the fixed rod 7 enters the inside of the fixed groove 8, the first spring 9 is extruded, the pull rod 11 is loosened, the clamping rod 10 is pushed into the inside of the fixed groove 8 under the action of the rebounding force of the second spring 12, the clamping rod 10 penetrates through the fixed rod 7, the fixed rod 7 is fixed in the fixed groove 8, the connecting seat 4 is indirectly fixed above the pipeline 5, when the connecting seat 4 needs to be dismounted, the pull rod 11 is pulled outwards, the clamping rod 10 is separated from the inside of the fixed groove 8, dead lever 7 no longer fixes in the inside of fixed slot 8, under the effect of spring 9 resilience, pops out dead lever 7 the inside of fixed slot 8, and at this moment, connecting

seat

4 and 5 separation of pipeline have realized being convenient for carry out the dismouting with connecting seat 4, have indirectly realized being convenient for carry out the function of dismouting to the butterfly valve.

When fixing connecting seat 4 on pipeline 5, protective housing 14 rotates, insert pipeline 5's top inner wall with protective housing 14's bottom, before pipeline 5's top inner wall is inserted to protective housing 14's bottom, outside pulling pull ring 156 stimulates, make and draw piece 154 to drive movable rod 152 and contract backward, leave the inside of joint groove 151, make No. three spring 153 shrink, when pipeline 5's top inner wall is inserted to protective housing 14's bottom, loosen pull ring 156, under No. three spring 153 bounce effect, push into the inside of joint groove 151 with movable rod 152, make protective housing 14 fix on pipeline 5's top inner wall, the protection to dead lever 7 and fixing base 6 has been realized.

In the present invention, unless otherwise specifically stated or limited, the terms "sliding", "rotating", "fixed", "provided", and the like are to be understood broadly, and may be, for example, welded, bolted, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The bidirectional metal hard seal butterfly valve comprises a driving box (1) and is characterized in that one side of the driving box (1) is rotatably connected with a rotating handle (2), the bottom end of the driving box (1) is fixedly connected with a valve rod (3), the outer wall of the valve rod (3) is fixedly connected with a connecting seat (4), the lower end face of the connecting seat (4) is fixedly connected with a pipeline (5), the outer walls of the two sides of the connecting seat (4) are fixedly connected with fixing seats (6), fixing rods (7) penetrate through the fixing seats (6), fixing grooves (8) are formed in the pipeline (5), springs (9) are fixedly connected in the fixing grooves (8), clamping rods (10) penetrate through the fixing rods (7), and pull rods (11) are fixedly connected to the upper end faces of the other sides of the clamping rods (10), opposite side fixedly connected with spring (12) No. two of joint pole (10), the inside fixedly connected with cavity (13) of one side of pipeline (5), it is connected with protective housing (14) all to rotate on the both sides outer wall of connecting seat (4), protective housing (14) are fixed through latch mechanism (15) on the top inner wall of pipeline (5).

2. A bidirectional metal hard seal butterfly valve according to claim 1, wherein the clamping mechanism (15) includes a clamping groove (151), the clamping groove (151) is opened inside the bottom end of the protection casing (14), and a movable groove (155) is opened on the inner wall of the top end of the pipeline (5).

3. A bidirectional metal hard seal butterfly valve according to claim 2, wherein a movable rod (152) is inserted into the clamping groove (151), the other side of the movable rod (152) extends to the outside of the clamping groove (151), a third spring (153) is wound on the outer wall of the movable rod (152), and the other side of the third spring (153) is fixedly connected to the inner wall of one side of the pipeline (5).

4. A bidirectional metal hard seal butterfly valve according to claim 3, wherein a pull block (154) is fixedly connected to an outer wall of the movable rod (152), an inner wall of one side of the pull block (154) is fixed to the third spring (153), the other side of the pull block (154) extends to the outside of one side of the pipe (5), and a pull ring (156) is fixedly connected to the other side of the pull block (154).

5. A bidirectional metal hard seal butterfly valve according to claim 4, characterized in that the bottom end of the fixing rod (6) and the pipe (5) are in contact with each other, and the bottom end of the fixing rod (7) is inserted into the inside of the fixing groove (8) and presses the first spring (9).

6. A bi-directional metal hard seal butterfly valve according to claim 1, characterized in that the other side of the second spring (12) is fixedly connected to the inner wall of the pipe (5), and the second spring (12) is disposed inside the cavity (13).