CN218913902U

CN218913902U - Rubber lining diaphragm valve

Info

Publication number: CN218913902U
Application number: CN202223346303.8U
Authority: CN
Inventors: 吴守美; 吴碎盛; 吴邦; 吴昇; 王喜龙
Original assignee: Zhejiang Yafa Valve Industry Co ltd
Current assignee: Zhejiang Yafa Valve Industry Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-04-25
Anticipated expiration: 2032-12-09

Abstract

The utility model relates to the technical field of valves, in particular to a rubber lining diaphragm valve, which comprises a connecting flange, a communicating cavity and a blocking device, wherein the communicating cavity is bolted with the surface of the connecting flange, a handle is bolted with the surface of the communicating cavity, the blocking device is arranged on the surface of the communicating cavity, the blocking device comprises an upper protecting frame, the upper protecting frame is abutted with the surface of the communicating cavity, the surface of the upper protecting frame is fixedly connected with an adjusting screw, the surface of the adjusting screw is fixedly connected with a limiting plate, the surface of the connecting flange is abutted with a lower protecting frame, the surface of the lower protecting frame is provided with an assembly groove, the inner wall of the lower protecting frame, which is positioned in the assembly groove, is rotationally connected with a poking wheel, and the inner walls of the upper protecting frame and the lower protecting frame are both provided with storage grooves. According to the utility model, the blocking device is arranged, so that the protection strength of the valve to the bolt is improved, the probability of corrosion of the bolt by a medium is reduced, the stability of the valve is improved, and the protection performance of the valve is improved.

Description

Rubber lining diaphragm valve

Technical Field

The utility model relates to the technical field of valves, in particular to a rubber lining diaphragm valve.

Background

In the pipeline construction process, a rubber lining diaphragm valve is often required to be installed at the joint so as to ensure that the pipeline cannot leak in a long-time use state, and meanwhile, maintenance personnel can change the communication state of the pipeline by operating the diaphragm valve.

The prior art, such as the utility model of publication number CN202674375U, discloses a rubber-lined diaphragm valve which employs the installation of a replaceable rubber-lined diaphragm to solve the problem of excessive maintenance cost caused by the need to replace the entire valve body after the existing valve is damaged.

The inventor finds that in daily work, in the process that the diaphragm valve is in the external environment, the surface coating of the mounting bolt is easy to fall off after long-time use, so that the problem of medium corrosion of the mounting bolt is caused.

Disclosure of Invention

The utility model aims to solve the defect that in the prior art, a surface coating of an installation bolt is easy to fall off after the installation bolt is used for a long time, so that a medium corrodes the installation bolt.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a lining rubber diaphragm valve, includes flange, intercommunication chamber and separation device, the intercommunication chamber is bolted with flange's surface mutually, the surface bolt in intercommunication chamber has the handle, separation device sets up the surface in the intercommunication chamber, separation device includes the protection frame, go up the surface looks butt in protection frame and intercommunication chamber, the fixed surface of going up the protection frame is connected with adjusting screw, adjusting screw's fixed surface is connected with the limiting plate.

Preferably, the surface butt of flange has lower protection frame, the assembly groove has been seted up to the surface of lower protection frame, the inner wall that lower protection frame is located the assembly groove rotates and is connected with the thumb wheel, go up the protection frame and all seted up with the inner wall of lower protection frame and accomodate the groove, go up the protection frame and the equal fixedly connected with rubber circle of inner wall that lower protection frame is located the storage groove, set up lower protection frame, can protect the valve bolt through the cooperation of lower protection frame and last protection frame.

Preferably, the number of the adjusting screws is two, the two adjusting screws are arranged in a bilateral symmetry manner relative to the upper protective frame, the guide groove is formed in the surface of the lower protective frame, the adjusting bolts are in sliding connection with the inner wall of the guide groove, the limiting plate is in sliding connection with the inner wall of the guide groove, the adjusting screws are arranged, and the positions of the upper protective frame and the lower protective frame can be limited through the cooperation of the adjusting screws and the shifting wheel.

Preferably, the lower protection frame is in butt joint with the surface of last protection frame, the storage tank on lower protection frame surface is linked together with the guide way, dial wheel and adjusting screw's surface threaded connection, the rubber circle is in butt joint with flange's surface, the rubber circle is in butt joint with the surface of intercommunication chamber, sets up the rubber circle, can increase the leakproofness between upper protection frame and lower protection frame and the valve through the rubber circle.

Preferably, the surface of flange is provided with bears the device, bear the device and include the holding ring, the holding ring is connected with flange's fixed surface, the surface butt of holding ring has the linking frame, the fixed surface of linking frame is connected with the guide arm, sets up the holding ring, can carry out preliminary restraint to the position of linking frame through the holding ring.

Preferably, the surface fixedly connected with load spring of linking frame, the surface hinge of guide arm has the assembly jig, the screw hole has all been seted up on the surface of linking frame and assembly jig, the equal threaded connection of inner wall that linking frame and assembly jig are located the screw hole has the gim peg, sets up load spring, can absorb the stress that the valve received through load spring.

Preferably, the number of the connecting frames is two, the two connecting frames are arranged symmetrically up and down with respect to the connecting flange, the load spring is hinged with the surface of the assembly frame, the assembly frame is arranged, the guide pipe can be clamped through the assembly frame, and the stress born by the guide pipe is guided.

Compared with the prior art, the utility model has the advantages and positive effects that:

according to the utility model, when the state of a pipeline is required to be changed, the blocking device is arranged, the handle is rotated, the rotating shaft in the communicating cavity is driven to rotate by the handle, the rotating shaft drives the inner diaphragm to displace, then the diaphragm blocks the connecting flange, and then the pipeline is blocked, so that the change operation of the pipeline state is completed, after the valve is installed, the lower protecting frame is buckled to the surface of the valve bolt, then the shifting wheel is shifted, the shifting wheel drives the adjusting screw, the adjusting screw moves gradually into the guide groove, meanwhile, the upper protecting frame is buckled to the surface of the valve bolt by the adjusting screw, the rubber ring moves along with the upper protecting frame and is buckled to the surface of the valve, then the installation operation of the blocking device is completed, and by arranging the blocking device, the protection strength of the valve to the bolt is increased, then the probability of the bolt being corroded by a medium is reduced, the stability of the valve is improved, and the protection property of the valve is improved.

Drawings

Fig. 1 is a schematic perspective view of a rubber-lined diaphragm valve according to the present utility model;

FIG. 2 is a schematic bottom view of a rubber-lined diaphragm valve according to the present utility model;

FIG. 3 is a schematic diagram of a blocking device of a rubber-lined diaphragm valve according to the present utility model;

FIG. 4 is a schematic view of a carrier structure of a rubber-lined diaphragm valve according to the present utility model;

fig. 5 is a schematic diagram of a structure of fig. 4 a of a rubber-lined diaphragm valve according to the present utility model.

Legend description:

1. a connecting flange; 2. a communication chamber; 3. a grip; 4. a blocking device; 41. an upper protective frame; 42. adjusting a screw; 43. a limiting plate; 44. a lower protective frame; 45. a thumb wheel; 46. a rubber ring; 5. a carrying device; 51. a positioning ring; 52. a connecting frame; 53. a guide rod; 54. a load spring; 55. an assembly frame; 56. and a fixing bolt.

Detailed Description

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a lining rubber diaphragm valve, includes flange 1, intercommunication chamber 2 and separation device 4, and the surface phase bolt of intercommunication chamber 2 and flange 1 has handle 3 to the surface bolt of intercommunication chamber 2, and separation device 4 sets up at the surface of intercommunication chamber 2, and flange 1's surface is provided with carrier 5.

The specific arrangement and function of the blocking means 4 and the carrier means 5 will be described in detail below.

In this embodiment: the blocking device 4 comprises an upper protection frame 41, the upper protection frame 41 is abutted against the surface of the communication cavity 2, an adjusting screw 42 is fixedly connected to the surface of the upper protection frame 41, and a limiting plate 43 is fixedly connected to the surface of the adjusting screw 42.

Specifically, the surface butt of flange 1 has lower protection frame 44, and the assembly groove has been seted up on the surface of lower protection frame 44, and lower protection frame 44 is located the inner wall rotation in assembly groove and is connected with thumb wheel 45, and the storage groove has all been seted up to the inner wall of going up protection frame 41 and lower protection frame 44, and the equal fixedly connected with rubber circle 46 of inner wall that goes up protection frame 41 and lower protection frame 44 are located the storage groove sets up lower protection frame 44, can protect the valve bolt through the cooperation of lower protection frame 44 and last protection frame 41.

Specifically, the number of the adjusting screws 42 is two, the two adjusting screws 42 are symmetrically arranged left and right with respect to the upper protecting frame 41, the surface of the lower protecting frame 44 is provided with a guiding groove, the adjusting bolts are slidably connected with the inner wall of the guiding groove, and the limiting plate 43 is slidably connected with the inner wall of the guiding groove.

In this embodiment: an adjusting screw 42 is provided, and the positions of the upper and

lower guard frames

41 and 44 can be limited by the cooperation of the adjusting screw 42 and the dial 45.

Specifically, the lower protection frame 44 is abutted against the surface of the upper protection frame 41, the storage groove on the surface of the lower protection frame 44 is communicated with the guide groove, the deflector wheel 45 is in threaded connection with the surface of the adjusting screw rod 42, the rubber ring 46 is abutted against the surface of the connecting flange 1, the rubber ring 46 is abutted against the surface of the communicating cavity 2, the rubber ring 46 is arranged, and the tightness between the upper protection frame 41, the lower protection frame 44 and the valve can be increased through the rubber ring 46.

In this embodiment: the bearing device 5 comprises a positioning ring 51, the positioning ring 51 is fixedly connected with the surface of the connecting flange 1, the surface of the positioning ring 51 is abutted with a connecting frame 52, and a guide rod 53 is fixedly connected with the surface of the connecting frame 52.

In this embodiment: the positioning ring 51 is arranged, and the position of the connecting frame 52 can be initially restrained through the positioning ring 51.

Specifically, the surface fixedly connected with load spring 54 of linking frame 52, the surface of guide arm 53 articulates there is assembly jig 55, and the screw hole has all been seted up on the surface of linking frame 52 and assembly jig 55, and the equal threaded connection of inner wall that links up frame 52 and assembly jig 55 are located the screw hole has dead bolt 56, sets up load spring 54, can absorb the stress that the valve received through load spring 54.

Specifically, the engaging frames 52 are abutted against the surface of the connecting flange 1, the number of the engaging frames 52 is two, the two engaging frames 52 are symmetrically arranged up and down with respect to the connecting flange 1, and the load spring 54 is hinged with the surface of the assembling frame 55.

In this embodiment: the mounting frame 55 is provided, and the guide pipe can be clamped by the mounting frame 55 and guided by the stress received by the guide pipe.

Working principle: when the state of the pipeline is required to be changed, the handle 3 is rotated, the handle 3 drives the rotating shaft in the communication cavity 2 to rotate, the rotating shaft drives the internal diaphragm to displace, then the diaphragm blocks the connecting flange 1 and blocks the pipeline, then the change operation of the state of the pipeline is completed, after the valve is installed, the lower protecting frame 44 is buckled on the surface of the valve bolt, then the shifting wheel 45 is shifted, the shifting wheel 45 drives the adjusting screw 42, the adjusting screw 42 gradually moves into the guide groove, meanwhile, the upper protecting frame 41 is driven by the adjusting screw 42 to be buckled on the surface of the valve bolt, the rubber ring 46 moves along with the upper protecting frame 41 and buckles on the surface of the valve, then the installation operation of the blocking device 4 is completed, and the protecting strength of the valve to the bolt is increased by arranging the blocking device 4, so that the probability of the bolt corroded by a medium is reduced, the stability of the valve is improved, and the protection property of the valve is improved. In addition, after the valve is assembled, the connecting frame 52 and the assembling frame 55 are aligned to the positioning rings 51 on two sides through the bearing device 5, the connecting frame 52 is pushed, the connecting frame 52 and the assembling frame 55 are buckled on the surface of the positioning rings 51, the fixing bolts 56 are inserted into the threaded holes and are fastened, the connecting frame 52 on the upper side and the lower side and the assembling frame 55 are fixed by the fixing bolts 56, when the valve is stressed, the connecting frame 52 guides the stress to the bearing force spring 54, the bearing force spring 54 absorbs the stress borne by the connecting frame 52, the structural strength of the valve connecting end is improved through the bearing device 5, the strain probability of the valve connecting end is reduced, and the firmness of the valve connecting end is improved.

Claims

1. The utility model provides a lining rubber diaphragm valve, includes flange (1), intercommunication chamber (2) and separation device (4), its characterized in that: the utility model discloses a connecting flange, including connecting flange (1) and connecting cavity, connecting flange (1) and connecting flange, connecting flange (2) and connecting flange (1) are connected with connecting flange, connecting flange (2) and connecting flange (2) are connected with connecting flange (2), connecting flange (2) are connected with connecting flange (41), connecting flange (41) are connected with connecting flange (42), connecting flange (42) are connected with connecting flange (43).

2. A rubber lined diaphragm valve according to claim 1, wherein: the surface butt of flange (1) has lower protection frame (44), the assembly groove has been seted up on the surface of lower protection frame (44), the inner wall that lower protection frame (44) are located the assembly groove rotates and is connected with thumb wheel (45), accomodate the groove has all been seted up to the inner wall of going up protection frame (41) and lower protection frame (44), go up protection frame (41) and lower protection frame (44) and be located the equal fixedly connected with rubber circle (46) of inner wall in accomodate the groove.

3. A rubber lined diaphragm valve according to claim 2, wherein: the number of the adjusting screws (42) is two, the two adjusting screws (42) are arranged in bilateral symmetry with respect to the upper protection frame (41), the surface of the lower protection frame (44) is provided with a guide groove, the adjusting screws are in sliding connection with the inner wall of the guide groove, and the limiting plate (43) is in sliding connection with the inner wall of the guide groove.

4. A rubber lined diaphragm valve according to claim 2, wherein: the lower protection frame (44) is in butt joint with the surface of the upper protection frame (41), a storage groove on the surface of the lower protection frame (44) is communicated with the guide groove, the poking wheel (45) is in threaded connection with the surface of the adjusting screw (42), the rubber ring (46) is in butt joint with the surface of the connecting flange (1), and the rubber ring (46) is in butt joint with the surface of the communicating cavity (2).

5. A rubber lined diaphragm valve according to claim 1, wherein: the surface of flange (1) is provided with bears device (5), bear device (5) include holding ring (51), the fixed surface of holding ring (51) and flange (1) is connected, the surface butt of holding ring (51) has linking frame (52), the fixed surface of linking frame (52) is connected with guide arm (53).

6. A rubber lined diaphragm valve as claimed in claim 5, wherein: the surface fixing of linking frame (52) is connected with load spring (54), the surface of guide arm (53) articulates there is assembly frame (55), screw hole has all been seted up on the surface of linking frame (52) and assembly frame (55), the equal threaded connection of inner wall that links up frame (52) and assembly frame (55) are located the screw hole has dead bolt (56).

7. A rubber lined diaphragm valve according to claim 6, wherein: the connecting frames (52) are abutted against the surface of the connecting flange (1), the number of the connecting frames (52) is two, the two connecting frames (52) are symmetrically arranged up and down relative to the connecting flange (1), and the force-bearing springs (54) are hinged with the surface of the assembling frame (55).