CN221003796U

CN221003796U - Butterfly valve with double sealing structure

Info

Publication number: CN221003796U
Application number: CN202320686744.8U
Authority: CN
Inventors: 侯路海; 孙毅昌; 闫继东
Original assignee: Henan Dalin Rubber And Telecommunications Apparatus Co ltd
Current assignee: Henan Dalin Rubber And Telecommunications Apparatus Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2024-05-24
Anticipated expiration: 2033-03-31

Abstract

The utility model relates to the field of butterfly valves, in particular to a butterfly valve with a double-sealing structure, which comprises a pipeline, wherein a fixed sleeve is fixedly arranged on the upper end face of the pipeline, a swivel is arranged on the right side of the fixed sleeve, a rotating rod is fixedly arranged at the left end of the swivel, a valve mechanism I is arranged in the pipeline corresponding to the fixed sleeve, a valve mechanism II is arranged on the left side of the valve mechanism I, the valve mechanism I and the valve mechanism II are in transmission connection with the rotating rod, and the valve mechanism I can seal the pipeline in one stage. According to the utility model, through the first valve mechanism and the second valve mechanism, when the rotating ring drives the rotating rod to rotate and drives the first valve mechanism to open and close the butterfly valve main body, the second valve mechanism is synchronously driven to operate, so that the three groups of closing plates synchronously move outwards or inwards, and the second valve mechanism is closed or opened.

Description

Butterfly valve with double sealing structure

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a butterfly valve with a double sealing structure.

Background

The industrial valve is various in types, is widely applied to the industries of chemical industry, food, water, electricity and the like, mainly plays a role in regulating and stopping the flow of a fluid medium, and the butterfly valve is a valve which is opened and closed by rotating a valve plate around a valve shaft, and mainly plays a role in cutting and throttling on a pipeline. The butterfly valve opening and closing piece is a disc-shaped valve plate and rotates around the axis of the butterfly valve opening and closing piece in the valve body, so that the purpose of opening and closing or adjusting is achieved. The butterfly valve is typically less than 90 fully open to fully closed.

The existing butterfly valve only controls the interception and circulation of water flow in the pipeline by arranging an on-off valve, and the on-off valve can seal the pipeline, but the sealing effect is sometimes not ideal, and after long-term use, the pipeline can be leaked, so that water flow flows out of the pipeline, and the closing effect of the valve is affected.

For this purpose, a butterfly valve of double seal structure is proposed.

Disclosure of Invention

The utility model aims to provide a butterfly valve with a double sealing structure, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a butterfly valve of dual seal structure, includes the pipeline, the up end fixed mounting of pipeline has fixed sleeve, fixed sleeve's right side is provided with the swivel, fixed sleeve's left end fixed mounting has the bull stick, the inside of pipeline corresponds fixed sleeve and is provided with valve mechanism one, valve mechanism one is provided with valve mechanism two all with bull stick transmission connection, valve mechanism one can carry out one-level sealedly to the pipeline, valve mechanism two can carry out the second grade sealedly to the pipeline, valve mechanism one includes fixed sleeve's inside gear one and gear two that sets up, gear one is the perpendicular setting of gear two to intermeshing, the bull stick runs through fixed sleeve and extends to fixed sleeve's inside and gear one fixed connection.

Further, the first valve mechanism further comprises a butterfly valve main body vertically arranged in the pipeline corresponding to the fixing sleeve, a rotating shaft is fixedly arranged at the lower end of the second gear, the rotating shaft penetrates through the pipeline and extends to the inside to be fixedly connected with the butterfly valve main body, and the butterfly valve main body is rotationally connected with the pipeline.

Further, the second valve mechanism comprises a third gear arranged on the left side of the fixed sleeve, and the rotating rod penetrates through the fixed sleeve and extends to the outer side to be fixedly connected with the third gear.

Further, the valve mechanism II further comprises a shell fixedly mounted on the outer surface of the pipeline, a sliding groove is formed between the shell and the pipeline, a sliding rail is arranged on the right side of the sliding groove, a toothed ring is arranged in the sliding rail, sliding rings are fixedly mounted on two sides of the toothed ring, and the sliding rings are slidably connected in the sliding rail.

Further, the ring gear intermeshes with the gear three phase, the ring gear passes through the slide rail to be rotated and connects in the inside of pipeline, the transmission groove has been seted up to the left end of ring gear, the spacing groove has been seted up to the inside left end of spout, the inside sliding connection of transmission groove has the drive post, the drive post extends to the inside and spacing groove sliding connection of spacing groove.

Further, the surface fixed mounting of transmission post has the closure plate, closure plate sliding connection is in the inside of spout, the both sides of closure plate are all fixed mounting has the rubber ring.

Further, the transmission groove, the guide groove, the transmission column and the closing plate are correspondingly provided with three groups and are in annular dispersion arrangement.

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

1. According to the utility model, through the first valve mechanism and the second valve mechanism, when the rotating ring drives the rotating rod to rotate and drives the first valve mechanism to open and close the butterfly valve main body, the second valve mechanism is synchronously driven to operate, so that the three groups of closing plates synchronously move outwards or inwards, and the second valve mechanism is closed or opened.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is an overall structural view of the present utility model;

FIG. 2 is a schematic view of the structure of the toothed ring of the present utility model;

FIG. 3 is a cross-sectional view of a sleeve of the present utility model;

FIG. 4 is an enlarged schematic view of FIG. 3A in accordance with the present utility model;

fig. 5 is an enlarged schematic view of fig. 3B in accordance with the present utility model.

Reference numerals illustrate:

1. A pipe; 2. a fixed sleeve; 3. a swivel; 4. a rotating rod; 5. a first gear; 6. a rotating shaft; 7. a second gear; 8. a butterfly valve body; 9. a housing; 10. a third gear; 11. a slide rail; 12. a toothed ring; 13. a slip ring; 14. a transmission groove; 15. a chute; 16. a limit groove; 17. a drive column; 18. a closure plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1 to 5, the present utility model provides a technical solution:

The utility model provides a butterfly valve of dual seal structure, includes pipeline 1, and the up end fixed mounting of pipeline 1 has fixed sleeve 2, and fixed sleeve 2's right side is provided with swivel 3, and swivel 3's left end fixed mounting has bull stick 4, and pipeline 1's inside corresponds fixed sleeve 2 and is provided with valve mechanism one, and valve mechanism one's left side is provided with valve mechanism two, and valve mechanism one all is connected with bull stick 4 transmission with valve mechanism two, and valve mechanism one can carry out one-level seal to pipeline 1, and valve mechanism two can carry out the second grade seal to pipeline 1.

The valve mechanism I comprises a first gear 5 and a second gear 7 which are arranged in the fixed sleeve 2, the first gear 5 and the second gear 7 are vertically arranged and are meshed with each other, the rotating rod 4 penetrates through the fixed sleeve 2 and extends to the inside of the fixed sleeve 2 to be fixedly connected with the first gear 5, the valve mechanism I further comprises a butterfly valve main body 8, the inside of the pipeline 1 corresponds to the butterfly valve main body 8, the fixed sleeve 2 is vertically arranged, a rotating shaft 6 is fixedly arranged at the lower end of the second gear 7, the rotating shaft 6 penetrates through the pipeline 1 and extends to the inside to be fixedly connected with the butterfly valve main body 8, and the butterfly valve main body 8 is rotationally connected with the pipeline 1.

Specifically, as shown in fig. 1 to 5, an operator can firstly rotate the swivel 3 and make the swivel 3 carry the rotating rod 4 for bagging, so as to drive the first valve mechanism and the second valve mechanism to achieve the purpose of opening or closing the pipeline 1, specifically, when the swivel 4 rotates, the first gear 5 and the third gear 10 are carried to rotate synchronously, and the first gear 5 and the second gear 7 on the rotating shaft 6 are engaged for driving, so that the rotating shaft 6 carries the butterfly valve main body 8 in the pipeline 1 for ninety degrees, and the first valve mechanism is opened;

The valve mechanism II comprises a gear III 10 arranged on the left side of a fixed sleeve 2, a rotating rod 4 penetrates through the fixed sleeve 2 and extends to the outer side of the fixed sleeve 2 to be fixedly connected with the gear III 10, the valve mechanism II further comprises a shell 9 fixedly arranged on the outer surface of the pipeline 1, a sliding groove 15 is formed between the shell 9 and the pipeline 1, a sliding rail 11 is formed on the right side of the sliding groove 15, a toothed ring 12 is arranged in the sliding rail 11, slip rings 13 are fixedly arranged on two sides of the toothed ring 12, the slip rings 13 are slidably connected in the sliding rail 11, the toothed ring 12 and the gear III 10 are meshed with each other, the toothed ring 12 is rotatably connected in the pipeline 1 through the sliding rail 11, a transmission groove 14 is formed in the left end of the toothed ring 12, a limiting groove 16 is formed in the left end of the inner part of the sliding groove 15, a transmission column 17 is slidably connected in the transmission groove 14, a closing plate 18 is fixedly arranged on the outer surface of the transmission column 17 and is slidably connected with the limiting groove 16, the closing plate 18 is slidably connected in the sliding groove 15, rubber rings are fixedly arranged on two sides of the closing plate 18, and the transmission groove 14, the transmission column 17 and the closing plate 18 are correspondingly arranged in a three-ring-shaped distribution mode.

As shown in fig. 1 to 5, when the gear three 10 rotates, the gear three 10 will carry out meshing transmission to the gear ring 12, so that the gear ring 12 rotates in the pipeline 1, the left end of the gear ring 12 is provided with the transmission groove 14, the transmission column 17 is slidingly connected in the transmission groove 14, the transmission column 17 in the transmission groove 14 synchronously shifts with the rotation of the gear ring 12, and the transmission column 17 is slidingly connected in the limit groove 16, so that when the transmission groove 14 carries the transmission column 17 to shift, the limit groove 16 will guide the shift direction of the transmission column 17, so that the transmission column 17 slides in the limit groove 16, and carries the closing plate 18 to synchronously shift, and as the transmission groove 14, the limit groove 16, the transmission column 17 and the closing plate 18 are synchronously provided with three groups, the closing state of the pipeline 1 will be opened when the closing plate 18 synchronously moves outwards, the pipeline 1 will be closed when the closing plate 18 moves inwards, further, the first valve mechanism and the second valve mechanism are mutually matched with the valve mechanism, the synchronous closing and the pipeline 1 will be opened, and the double sealing structure will be safe and reliable

Working principle: firstly, operators can carry the rotating rod 4 to bag by rotating the rotating ring 3, so as to drive the valve mechanism I and the valve mechanism II to open or close the pipeline 1, specifically, when the rotating rod 4 rotates, the rotating rod 4 carries the gear I5 to synchronously rotate with the gear III 10, the gear I5 carries the gear II 7 on the rotating shaft 6 to carry the butterfly valve main body 8 in the pipeline 1 to deflect ninety degrees, so as to open the valve mechanism I, and secondly, when the gear III 10 rotates, the gear ring 12 carries the meshing transmission, so that the gear ring 12 rotates in the pipeline 1, the left end of the gear ring 12 is provided with a transmission groove 14, the inside of the transmission groove 14 is connected with a transmission column 17 in a sliding way along with the rotation of the gear ring 12, the transmission column 17 in the transmission groove 14 synchronously displaces, and the transmission column 17 is in sliding connection with the inside of the limit groove 16, so when the transmission groove 14 carries the transmission column 17 to displace, the limit groove 16 guides the displacement direction of the transmission column 17, so that the transmission column 17 slides in the limit groove 16 and carries the closing plate 18 to synchronously displace, and as the transmission groove 14, the limit groove 16, the transmission column 17 and the closing plate 18 are synchronously provided with three groups, the closing plate 18 synchronously moves outwards, the closing state of the pipeline 1 is opened, the pipeline 1 is closed when the closing plate 18 moves inwards, and further, the first valve mechanism and the second valve mechanism are mutually matched, and the pipeline 1 is synchronously started to be closed and opened, so that the double-sealing structure is safe and reliable.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. Butterfly valve of double seal structure, including pipeline (1), its characterized in that: the pipeline is characterized in that a fixing sleeve (2) is fixedly arranged on the upper end face of the pipeline (1), a rotating ring (3) is arranged on the right side of the fixing sleeve (2), a rotating rod (4) is fixedly arranged at the left end of the rotating ring (3), a first valve mechanism is arranged in the pipeline (1) in a corresponding mode, a second valve mechanism is arranged on the left side of the first valve mechanism, the first valve mechanism and the second valve mechanism are in transmission connection with the rotating rod (4), the first valve mechanism can conduct primary sealing on the pipeline (1), the second valve mechanism can conduct secondary sealing on the pipeline (1), the first valve mechanism comprises a first gear (5) and a second gear (7) which are arranged in the fixing sleeve (2), the second gear (7) is vertically arranged and meshed with each other, and the first rotating rod (4) penetrates through the fixing sleeve (2) and extends to the first gear (5) in the fixing sleeve (2).

2. The butterfly valve of double seal structure of claim 1, wherein: the valve mechanism I further comprises a butterfly valve main body (8) which is vertically arranged in the pipeline (1) and corresponds to the fixed sleeve (2), a rotating shaft (6) is fixedly arranged at the lower end of the gear II (7), the rotating shaft (6) penetrates through the pipeline (1) and extends to the inside to be fixedly connected with the butterfly valve main body (8), and the butterfly valve main body (8) is rotationally connected with the pipeline (1).

3. A butterfly valve of double seal construction according to claim 2, wherein: the second valve mechanism comprises a third gear (10) arranged on the left side of the fixed sleeve (2), and the rotating rod (4) penetrates through the fixed sleeve (2) and extends to the outer side to be fixedly connected with the third gear (10).

4. A butterfly valve of double seal construction according to claim 3, wherein: the valve mechanism II further comprises a shell (9) fixedly mounted on the outer surface of the pipeline (1), a sliding groove (15) is formed between the shell (9) and the pipeline (1), a sliding rail (11) is formed in the right side of the sliding groove (15), a toothed ring (12) is arranged in the sliding rail (11), sliding rings (13) are fixedly mounted on two sides of the toothed ring (12), and the sliding rings (13) are slidably connected in the sliding rail (11).

5. The butterfly valve of double seal construction of claim 4 wherein: the gear ring (12) is meshed with the gear III (10), the gear ring (12) is rotationally connected to the inside of the pipeline (1) through the sliding rail (11), a transmission groove (14) is formed in the left end of the gear ring (12), a limit groove (16) is formed in the left end of the inside of the sliding groove (15), a transmission column (17) is connected to the inside of the transmission groove (14) in a sliding mode, and the transmission column (17) extends to the inside of the limit groove (16) to be connected with the limit groove (16) in a sliding mode.

6. The butterfly valve of double seal construction of claim 5 wherein: the outer surface of the transmission column (17) is fixedly provided with a closing plate (18), the closing plate (18) is slidably connected in the chute (15), and rubber rings are fixedly arranged on two sides of the closing plate (18).

7. The butterfly valve of claim 6, wherein: the transmission grooves (14), the guide grooves, the transmission columns (17) and the closing plates (18) are correspondingly provided with three groups and are distributed in an annular shape.