CN215596363U

CN215596363U - Butterfly valve gear box convenient to maintenance

Info

Publication number: CN215596363U
Application number: CN202121494576.XU
Authority: CN
Inventors: 侯义
Original assignee: Fengcheng Hanyang Industrial Co ltd
Current assignee: Fengcheng Hanyang Industrial Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2022-01-21
Anticipated expiration: 2031-07-02

Abstract

The utility model relates to the technical field of butterfly valves, in particular to a butterfly valve gear box convenient to maintain, which comprises a fixed shell, a box body and a sealing cover, wherein the front end of the box body is provided with the fixed shell, the fixed shell is fixedly connected with the box body, a groove is formed in the fixed shell, the sealing cover is connected with the groove in the fixed shell in a sliding manner, and the rear end of the sealing cover is provided with an annular boss. Resulting in rusting of the components within the tank.

Description

Butterfly valve gear box convenient to maintenance

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a butterfly valve gear box convenient to maintain.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve with a closing part being a disk and rotating around a valve shaft to achieve opening and closing.

Most butterfly valve gear boxes on the market can not conveniently maintain it, lead to the device when breaking down, can not in time dismantle it, need extravagant a large amount of time, influence work efficiency, when daily use simultaneously, can not be waterproof to gear box inside, lead to inside steam gets into the box, can cause the part in the device to rust, and the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a butterfly valve gear box convenient to maintain, and aims to solve the problems in the background technology.

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

a butterfly valve gear box convenient to maintain comprises a fixed shell, a box body and a sealing cover, wherein the front end of the box body is provided with the fixed shell which is fixedly connected with the box body, a groove is formed in the fixed shell, the sealing cover is connected to the groove on the fixed shell in a sliding manner, the rear end of the sealing cover is provided with an annular boss which is fixedly connected with the sealing cover, the annular boss is connected to the rear side of the fixed shell in a sliding manner, a second sealing ring is sleeved on the front side of the annular boss and fixedly connected to the rear end of the sealing cover, the second sealing ring is connected to the fixed shell in a sliding manner, the rear end of the second sealing ring is connected with a first sealing ring in a sealing manner, the first sealing ring is connected to the fixed shell in a sliding manner, the rear end of the first sealing ring is fixedly connected with a fixed ring which is connected to the fixed shell in a sliding manner, and the middle part of the sealing cover is provided with a limiting groove, the upper side and the lower side of the limiting groove are both connected with driving frames in a sliding mode, the middle of the limiting groove is connected with a gear in a rotating mode, the gear is arranged between the driving frames, one end of the driving frame, far away from the gear, is fixedly connected with connecting rods, the connecting rods are arranged in the left side and the right side of the sealing cover, and the sealing cover is connected with the connecting rods in a sliding mode.

Preferably, the driving frame is provided with a meshing tooth groove at one end close to the gear, the driving frame is connected with the gear in a meshing manner through the meshing tooth groove, the driving frame is far away from one end of the connecting rod and is fixedly connected with a second spring, the second spring is arranged in the limiting groove, and the second spring is fixedly connected to the other driving frame.

Preferably, the upper end of the gear is fixedly connected with a linkage rod, the linkage rod penetrates through the front end of the sealing cover and is rotatably connected with the sealing cover, and the front end of the linkage rod is provided with a rotating block which is fixedly connected with the linkage rod.

Preferably, the rear end of the fixed circular ring is fixedly connected with a plurality of first springs which are fixedly connected in the fixed shell.

Preferably, the left side and the right side of the sealing cover are both provided with sliding grooves, the sliding grooves are internally and slidably connected with fixing blocks, the fixing blocks are fixedly connected to the ends, far away from the gear, of the connecting rods, and the fixing blocks are clamped in the left end and the right end of the fixing shell.

Preferably, a hand wheel is arranged on the right side of the upper end of the box body, and the hand wheel is rotatably connected with the box body.

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

1. according to the gear box, the rotating block, the gear, the second spring, the driving frame and the fixing block are arranged, the driving frame can be moved through the gear by the aid of the rotating block, the fixing block can fix the sealing cover and the fixing shell by the aid of the second spring, the sealing cover can be rapidly disassembled and installed, and the interior of the gear box can be maintained conveniently.

2. According to the utility model, through the arrangement of the first sealing gasket, the second sealing gasket, the first spring and the fixed ring, the connection tightness of the first sealing gasket and the second sealing gasket can be increased through the arrangement of the first spring and the fixed ring, so that the sealing property of the device can be effectively increased, and the situation that moisture enters the gear box to cause rusting of components in the gear box is avoided.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a side view of the overall structure of the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 at point A in accordance with the present invention;

FIG. 4 is a schematic view of the structure of FIG. 2 at B according to the present invention;

FIG. 5 is a schematic view of a mounting structure of the carrier frame of the present invention.

In the figure: 1-a fixed shell, 2-a hand wheel, 3-a rotating block, 4-a sealing cover, 5-a box body, 6-an annular boss, 7-a fixed block, 8-a connecting rod, 9-a chute, 10-a fixed ring, 11-a first spring, 12-a first sealing ring, 13-a second sealing ring, 14-a linkage rod, 15-a second spring, 16-a limiting groove, 17-a driving frame, 18-a gear and 19-a tooth meshing groove.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

a butterfly valve gear box convenient to maintain comprises a fixed shell 1, a box body 5 and a sealing cover 4, wherein the fixed shell 1 is arranged at the front end of the box body 5, the fixed shell 1 is fixedly connected with the box body 5, a groove is formed in the fixed shell 1, the sealing cover 4 is connected in the groove on the fixed shell 1 in a sliding manner, an annular boss 6 is arranged at the rear end of the sealing cover 4, the annular boss 6 is fixedly connected with the sealing cover 4, the annular boss 6 is connected in the rear side of the fixed shell 1 in a sliding manner, a second sealing ring 13 is sleeved on the front side of the annular boss 6, the second sealing ring 13 is fixedly connected at the rear end of the sealing cover 4, the second sealing ring 13 is connected in the fixed shell 1 in a sliding manner, a first sealing ring 12 is connected at the rear end of the second sealing ring 13 in a sealing manner, the first sealing ring 12 is connected in the fixed shell 1 in a sliding manner, a fixed ring 10 is fixedly connected in the fixed shell 1 in a sliding manner, limiting groove 16 has been seted up at sealed 4 middle part, and the equal sliding connection in both sides has drive frame 17 about in the limiting groove 16, and limiting groove 16 internal middle part rotates and is connected with gear 18, and gear 18 sets up between drive frame 17, drives frame 17 and keeps away from 18 one end fixedly connected with connecting rod 8 of gear, and connecting rod 8 sets up in sealed 4 left and right sides of lid, sealed lid 4 and connecting rod 8 sliding connection.

One end of the driving frame 17, which is close to the gear 18, is provided with a tooth meshing groove 19, the driving frame 17 is meshed with the gear 18 through the tooth meshing groove 19, one end of the driving frame 17, which is far away from the connecting rod 8, is fixedly connected with a second spring 15, the second spring 15 is arranged in a limiting groove 16, the second spring 15 is fixedly connected to the other driving frame 17, and the fixing block 7 can be clamped in the fixing shell 1 by arranging the second spring 15; the upper end of the gear 18 is fixedly connected with a linkage rod 14, the linkage rod 14 penetrates through the front end of the sealing cover 4, the linkage rod 14 is rotatably connected with the sealing cover 4, the front end of the linkage rod 14 is provided with a rotating block 3, the rotating block 3 is fixedly connected with the linkage rod 14, and the rotating block 3 can drive the fixed block 7 to move; the rear end of the fixed ring 10 is fixedly connected with a plurality of first springs 11, the first springs 11 are fixedly connected in the fixed shell 1, and the connection sealing performance of the device can be improved through the first springs 11; the left side and the right side of the sealing cover 4 are both provided with sliding grooves 9, the sliding grooves 9 are connected with fixing blocks 7 in a sliding mode, the fixing blocks 7 are fixedly connected to one ends, far away from the gear 18, of the connecting rods 8, the fixing blocks 7 are clamped in the left end and the right end of the fixing shell 1, and the sealing cover 4 and the fixing shell 1 can be fixed through the fixing blocks 7; a hand wheel 2 is arranged on the right side of the upper end of the box body 5, the hand wheel 2 is rotationally connected with the box body 5, and a butterfly valve can be controlled through the hand wheel 2.

The working process is as follows: when the utility model is used, the inside of the box body 5 can be protected through the sealing cover 4, when the inside of the box body 5 needs to be overhauled, the rotating block 3 is twisted, the rotating block 3 drives the gear 18 to rotate through the linkage rod 14, the gear 18 can drive the driving frame 17 to move through the tooth meshing groove 19, the driving frame 17 can drive the fixed block 7 to move through the connecting rod 8, the fixed block 7 enters the chute 9 and leaves the fixed shell 1, at the moment, the sealing cover 4 can be disassembled, the inside of the box body 5 is convenient to maintain, when the sealing cover 4 needs to be installed, the sealing cover 4 and the annular boss 6 are inserted into the fixed shell 1, the rotating block 3 is twisted at the same time, the driving frame 17 drives the fixed block 7 to enter the chute 9, when the sealing cover 4 and the annular boss 6 completely enter the fixed shell 1, the rotating block 3 is loosened, at the moment, the second spring 15 can drive the driving frame 17 to drive the fixed block 7 to be clamped in the fixed shell 1, the completion is to the fixed of sealed lid 4 to in the device use, can promote fixed ring 10 through first spring 11, fixed ring 10 can drive first sealing washer 12 and be connected with second sealing washer 13, increases the leakproofness of sealed lid 4 and fixed shell 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a butterfly valve gear box convenient to maintenance, includes set casing (1), box (5) and sealed lid (4), its characterized in that: the front end of the box body (5) is provided with a fixed shell (1), the fixed shell (1) is fixedly connected with the box body (5), a groove is formed in the fixed shell (1), a sealing cover (4) is connected in the groove on the fixed shell (1) in a sliding manner, an annular boss (6) is arranged at the rear end of the sealing cover (4), the annular boss (6) is fixedly connected with the sealing cover (4), the annular boss (6) is connected in the rear side of the fixed shell (1) in a sliding manner, a second sealing ring (13) is sleeved on the front side of the annular boss (6), the second sealing ring (13) is fixedly connected in the rear end of the sealing cover (4), the second sealing ring (13) is connected in the fixed shell (1) in a sliding manner, the rear end of the second sealing ring (13) is connected with a first sealing ring (12) in a sealing manner, and the first sealing ring (12) is connected in the fixed shell (1) in a sliding manner, first sealing washer (12) rear end fixedly connected with retaining ring (10), retaining ring (10) sliding connection is in set casing (1), spacing groove (16) have been seted up at sealed lid (4) middle part, the equal sliding connection in both sides has drive frame (17) about in spacing groove (16), the middle part rotates in spacing groove (16) and is connected with gear (18), gear (18) set up between drive frame (17), drive frame (17) and keep away from gear (18) one end fixedly connected with connecting rod (8), connecting rod (8) set up in sealed lid (4) left and right sides, sealed lid (4) and connecting rod (8) sliding connection.

2. The butterfly valve gearbox of claim 1, wherein: drive frame (17) and be close to gear (18) one end and seted up meshing tooth's socket (19), drive frame (17) are connected with gear (18) meshing through meshing tooth's socket (19), drive frame (17) are kept away from connecting rod (8) one end fixedly connected with second spring (15), second spring (15) set up in spacing groove (16), second spring (15) fixed connection is another drive on the frame (17).

3. The butterfly valve gearbox of claim 1, wherein: the connecting rod (14) is fixedly connected to the upper end of the gear (18), the connecting rod (14) penetrates through the front end of the sealing cover (4), the connecting rod (14) is rotatably connected with the sealing cover (4), a rotating block (3) is arranged at the front end of the connecting rod (14), and the rotating block (3) is fixedly connected with the connecting rod (14).

4. The butterfly valve gearbox of claim 1, wherein: fixed ring (10) rear end fixedly connected with first spring (11), first spring (11) are provided with a plurality ofly, first spring (11) fixed connection is in stationary housing (1).

5. The butterfly valve gearbox of claim 1, wherein: spout (9) have all been seted up to sealed lid (4) the left and right sides, sliding connection has fixed block (7) in spout (9), gear (18) one end is kept away from in fixed block (7) fixed connection connecting rod (8), fixed block (7) joint is in both ends about set casing (1).

6. The butterfly valve gearbox of claim 1, wherein: the right side of the upper end of the box body (5) is provided with a hand wheel (2), and the hand wheel (2) is rotatably connected with the box body (5).