CN219529885U

CN219529885U - Dome valve with wear-resistant air bag structure

Info

Publication number: CN219529885U
Application number: CN202320753158.0U
Authority: CN
Inventors: 村上徹
Original assignee: Wuxi Aixin Mechanical Technology Co ltd
Current assignee: Wuxi Aixin Mechanical Technology Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-08-15
Anticipated expiration: 2033-04-07

Abstract

The utility model relates to the technical field of dome valves, and discloses a dome valve with a wear-resistant air bag structure, which solves the problem that the conventional dome valve sealing air bag is not stable enough to use. The valve core and the fixed cover can be sealed through the sealing air bag structure, the valve core and the fixed cover can be required to be sealed when the valve is used, at the moment, the air inlet is connected with the air inlet pipeline and inputs air, at the moment, air flows into the air inlet pipe, the air inlet pipe is inflated to the inside of the annular air bag through the air conveying port, the annular air bag can be inflated after being inflated, gaps between the valve core and the fixed cover can be filled by the annular air bag, meanwhile, the air pipe can input air into the air pressure monitor, the air pressure monitor can monitor the current air pressure in real time, data are output to the outside through the signal output line, and the state of the annular air bag can be monitored in real time through the data.

Description

Dome valve with wear-resistant air bag structure

Technical Field

The utility model relates to the technical field of dome valves, in particular to a dome valve with a wear-resistant air bag structure.

Background

The dome valve is a valve for switching on and off a conveying pipeline, can cut off and seal the conveying pipeline when the conveying pipeline is required to be cut off, can not leak materials when cut off, can work in a high-pressure state, is high in bearable temperature, and can be used in various severe environments.

The current dome valve is in the use, need to aerify sealed gasbag when sealed, but the atmospheric pressure when aerifing is difficult to learn, can cause the leakproofness to reduce under the circumstances that atmospheric pressure is insufficient, can lead to sealed gasbag to extend too much under the higher circumstances of atmospheric pressure, leads to the life-span of gasbag to shorten, probably can lead to the gasbag to explode even, has certain influence to the stability of use.

Disclosure of Invention

The utility model aims to provide a dome valve with a wear-resistant air bag structure, which works by adopting the device, so that the problem that the conventional dome valve sealing air bag is not stable enough to use is solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a dome valve of wear-resisting gasbag structure, includes the valve body, installs the pneumatic actuator in valve body one side, sets up the inner chamber in the valve body inside, swing joint is at the inside case of inner chamber, installs the fixed cover on valve body top to and rotate the axis of rotation of connecting in the valve body inside, the below of fixed cover is provided with the sealed gasbag structure that is used for sealedly, one side of case is provided with the dismouting structure of being convenient for, the sealed gasbag structure is including setting up the mounting groove in the fixed cover inside, sets up the air pressure monitor in fixed cover one side, and the inside of mounting groove is provided with annular gasbag, and annular gasbag's internal diameter is greater than the external diameter of case, and the block is connected between annular gasbag and the mounting groove.

Further, the sealed airbag structure further comprises an air inlet pipe fixed on one side of the inside of the fixed cover, an air inlet is fixed on one side of the air inlet pipe, air conveying ports are fixed on two sides of the annular airbag, and one side of each air conveying port is communicated with one side of the air inlet pipe.

Further, the sealed airbag structure further comprises a gas pipe fixed on the other side inside the fixed cover, one side of the gas pipe is connected with the mounting groove through a gas transmission port, the other side of the gas pipe is fixedly connected with the gas pressure monitor, and a signal output line is fixed on the other side of the gas pressure monitor.

Further, the gas transmission pipe and the gas inlet pipe are symmetrically distributed on two sides of the annular air bag, and the clamping groove is formed in the valve body and can be clamped with the bottom of the annular air bag.

Further, the dismounting structure comprises a bushing arranged in the valve body, a connecting shaft movably connected in the bushing, a bearing arranged on one side of the connecting shaft, one side of the connecting shaft penetrates through the valve core, and the other side of the connecting shaft penetrates through the bushing.

Further, the inside of connecting axle is run through and is had first bolt, and first bolt and case threaded connection are fixed connecting axle and case, and the inside of bearing is run through and is had the solid fixed ring, and the inside of solid fixed ring is run through and is had the second bolt, and second bolt and connecting axle threaded connection make solid fixed ring and connecting axle press from both sides the bearing tightly.

Further, one side of the bearing is provided with a mounting cover, a third bolt penetrates through the mounting cover, and the mounting cover and the valve body are fixed through threaded connection of the third bolt and the valve body.

Further, one side of the rotating shaft is fixedly connected with the valve core, the other side of the rotating shaft is fixedly connected with the pneumatic actuator, and the pneumatic actuator drives the valve core to rotate through the rotating shaft.

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

the dome valve with the wear-resistant air bag structure provided by the utility model has the advantages that the use of the existing dome valve sealing air bag is not stable enough; the valve core and the fixed cover can be sealed through the sealing air bag structure, when the valve core and the fixed cover are needed to be sealed, at the moment, the air inlet is connected with the air inlet pipeline and inputs air, at the moment, air flows into the air inlet pipe, the air inlet pipe is inflated to the inside of the annular air bag through the air conveying port, the annular air bag can be inflated after being inflated, gaps between the valve core and the fixed cover can be filled by the annular air bag, meanwhile, the air pipe can input air into the air pressure monitor, the air pressure monitor can monitor the current air pressure in real time, data are output to the outside through the signal output line, the state of the annular air bag can be monitored in real time through the data, the condition that the sealing performance is lost due to the fact that the pressure of the annular air bag is too low, or the service life is influenced due to the fact that the pressure is too high is prevented, and when the annular air bag needs to be replaced, the annular air bag can be taken out for replacement through the fixing cover.

The valve core can be conveniently disassembled and assembled through the disassembly and assembly structure, the valve core needs to be disassembled when overhauling is performed, at the moment, the first bolt is screwed out from the inner part of the valve core, the connecting shaft and the valve core are released from fixation, then the third bolt is screwed out from the inner part of the valve body, the mounting cover can be taken down from one side of the valve body, the second bolt can be screwed out from the inner part of the connecting shaft, at the moment, the fixing ring can be taken out from the inner part of the bearing, then the connecting shaft is pulled out from the inner part of the valve core, the valve core can be detached by the same operation of the other side of the valve core, and then overhauling can be performed.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic cross-sectional elevation view of the structure of FIG. 1A according to the present utility model;

FIG. 4 is a schematic cross-sectional elevation view of the sealed airbag structure of the present utility model;

fig. 5 is a schematic sectional elevation view of the detachable structure of the present utility model.

In the figure: 1. a valve body; 2. an inner cavity; 3. a valve core; 4. a disassembly and assembly structure; 41. a first bolt; 42. a connecting shaft; 43. a bushing; 44. a bearing; 45. a second bolt; 46. a fixing ring; 47. a mounting cover; 48. a third bolt; 5. a fixed cover; 6. a sealed airbag structure; 61. an air inlet; 62. an air inlet pipe; 63. a gas transfer port; 64. an annular air bag; 65. an air pressure monitor; 66. a gas pipe; 67. a signal output line; 68. a mounting groove; 7. a rotating shaft; 8. a pneumatic actuator.

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.

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings.

Referring to fig. 1 and 2, a dome valve with a wear-resistant air bag structure comprises a valve body 1, a pneumatic actuator 8 arranged on one side of the valve body 1, an inner cavity 2 arranged in the valve body 1, a valve core 3 movably connected in the inner cavity 2, a fixed cover 5 arranged at the top end of the valve body 1, and a rotating shaft 7 rotatably connected in the valve body 1, wherein a sealing air bag structure 6 for sealing is arranged below the fixed cover 5, and a dismounting structure 4 convenient to dismount is arranged on one side of the valve core 3.

One side of the rotating shaft 7 is fixedly connected with the valve core 3, the other side of the rotating shaft 7 is fixedly connected with the pneumatic actuator 8, and the pneumatic actuator 8 drives the valve core 3 to rotate through the rotating shaft 7.

When the valve is used, the bottom end of the valve body 1 and the top end of the fixed cover 5 are respectively connected with a feed inlet and a discharge outlet, when the valve is required to be communicated, the pneumatic actuator 8 is used for feeding air to drive the rotating shaft 7 to rotate, the rotating shaft 7 drives the valve core 3 to rotate by 90 degrees, the inner cavity 2 is communicated, and when the valve is required to be disconnected, the rotating shaft 7 drives the valve core 3 to reversely rotate by 90 degrees, so that the inner cavity 2 is sealed.

The utility model is further described below with reference to examples.

Example 1:

referring to fig. 3 and 4, the sealing air bag structure 6 includes a mounting groove 68 disposed inside the fixed cover 5, an air pressure monitor 65 disposed on one side of the fixed cover 5, an annular air bag 64 disposed inside the mounting groove 68, and an inner diameter of the annular air bag 64 larger than an outer diameter of the valve core 3, and a snap connection between the annular air bag 64 and the mounting groove 68.

The sealed airbag structure 6 further comprises an air inlet pipe 62 fixed at one side of the inside of the fixed cover 5, an air inlet 61 is fixed at one side of the air inlet pipe 62, air delivery ports 63 are fixed at two sides of the annular airbag 64, and one side of the air delivery ports 63 is communicated with one side of the air inlet pipe 62.

The sealed airbag structure 6 further comprises a gas pipe 66 fixed on the other side inside the fixed cover 5, one side of the gas pipe 66 is connected with a mounting groove 68 through a gas transmission port 63, the other side of the gas pipe 66 is fixedly connected with a gas pressure monitor 65, and a signal output line 67 is fixed on the other side of the gas pressure monitor 65.

The air delivery pipe 66 and the air inlet pipe 62 are symmetrically distributed on two sides of the annular air bag 64, and a clamping groove is formed in the valve body 1 and can be clamped with the bottom of the annular air bag 64.

Specifically, when the air inlet valve is used, the valve core 3 and the fixed cover 5 need to be sealed, at this moment, the air inlet 61 is connected with the air inlet pipeline and is used for inputting air, at this moment, air flows into the air inlet pipe 62, the air inlet pipe 62 is used for inflating the annular air bag 64 through the air conveying port 63, the annular air bag 64 is inflated, gaps between the valve core 3 and the fixed cover 5 can be filled by the annular air bag 64, meanwhile, the air conveying pipe 66 can be used for inputting air into the air pressure monitor 65, the air pressure monitor 65 can be used for monitoring the current air pressure in real time, data are output to the outside through the signal output line 67, the state of the annular air bag 64 can be monitored in real time through the data, the situation that the sealing performance is lost due to the fact that the pressure of the annular air bag 64 is too low, or the effect on the service life is caused by the fact that the pressure is too high is avoided, and the annular air bag 64 can be taken out for replacement by disassembling the fixed cover 5 when the annular air bag 64 needs to be replaced.

Example 2:

referring to fig. 5, the dismounting structure 4 includes a bushing 43 disposed in the valve body 1, a connecting shaft 42 movably connected to the bushing 43, a bearing 44 disposed on one side of the connecting shaft 42, one side of the connecting shaft 42 penetrating through the valve core 3, and the other side of the connecting shaft 42 penetrating through the bushing 43.

The first bolt 41 penetrates through the connecting shaft 42, the first bolt 41 is in threaded connection with the valve core 3 to fix the connecting shaft 42 and the valve core 3, the fixing ring 46 penetrates through the bearing 44, the second bolt 45 penetrates through the fixing ring 46, and the second bolt 45 is in threaded connection with the connecting shaft 42 to enable the fixing ring 46 and the connecting shaft 42 to clamp the bearing 44.

A mounting cover 47 is provided on one side of the bearing 44, and a third bolt 48 is inserted into the mounting cover 47, and the third bolt 48 is screwed with the valve body 1 to fix the mounting cover 47 and the valve body 1.

Specifically, when the valve body 3 is required to be disassembled for maintenance, the first bolt 41 is screwed out from the inside of the valve body 3 to release the connection shaft 42 from the valve body 3, the third bolt 48 is screwed out from the inside of the valve body 1 to remove the mounting cover 47 from one side of the valve body 1, the second bolt 45 is screwed out from the inside of the connection shaft 42 to remove the fixing ring 46 from the inside of the bearing 44, the connection shaft 42 is pulled out from the inside of the valve body 3, the valve body 3 is removed by the same operation as the other side of the valve body 3, and the maintenance is performed.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 dome valve of wear-resisting gasbag structure, includes valve body (1), installs pneumatic actuator (8) in valve body (1) one side, sets up inner chamber (2) in valve body (1) inside, and swing joint is in case (3) of inner chamber (2) inside, installs fixed lid (5) on valve body (1) top to and rotate rotation axis (7) of connection in valve body (1) inside, its characterized in that: a sealing air bag structure (6) for sealing is arranged below the fixed cover (5), and a dismounting structure (4) which is convenient to dismount is arranged on one side of the valve core (3);

the sealing airbag structure (6) comprises an installation groove (68) arranged in the fixed cover (5), an air pressure monitor (65) arranged on one side of the fixed cover (5), an annular airbag (64) is arranged in the installation groove (68), the inner diameter of the annular airbag (64) is larger than the outer diameter of the valve core (3), and the annular airbag (64) is connected with the installation groove (68) in a clamping mode.

2. A dome valve of a wear resistant air bag construction in accordance with claim 1 wherein: the sealing airbag structure (6) further comprises an air inlet pipe (62) fixed on one side of the inside of the fixed cover (5), an air inlet (61) is fixed on one side of the air inlet pipe (62), air delivery ports (63) are fixed on two sides of the annular airbag (64), and one side of the air delivery ports (63) is communicated with one side of the air inlet pipe (62).

3. A dome valve of a wear resistant air bag construction in accordance with claim 2 wherein: the sealing airbag structure (6) further comprises a gas pipe (66) fixed on the other side inside the fixed cover (5), one side of the gas pipe (66) is connected with the mounting groove (68) through a gas transmission port (63), the other side of the gas pipe (66) is fixedly connected with the gas pressure monitor (65), and a signal output line (67) is fixed on the other side of the gas pressure monitor (65).

4. A dome valve of a wear resistant air bag construction in accordance with claim 3 wherein: the air delivery pipe (66) and the air inlet pipe (62) are symmetrically distributed on two sides of the annular air bag (64), and the clamping groove is formed in the valve body (1) and can be clamped with the bottom of the annular air bag (64).

5. A dome valve of a wear resistant air bag construction in accordance with claim 1 wherein: the dismounting structure (4) comprises a bushing (43) arranged in the valve body (1), a connecting shaft (42) movably connected in the bushing (43), a bearing (44) arranged on one side of the connecting shaft (42), one side of the connecting shaft (42) penetrates through the valve core (3), and the other side of the connecting shaft (42) penetrates through the bushing (43).

6. A dome valve of a wear resistant air bag construction in accordance with claim 5 wherein: the inside of connecting axle (42) is run through and is had first bolt (41), and first bolt (41) and case (3) threaded connection are fixed connecting axle (42) and case (3), and the inside of bearing (44) is run through and is had solid fixed ring (46), and the inside of solid fixed ring (46) is run through and is had second bolt (45), and second bolt (45) and connecting axle (42) threaded connection make solid fixed ring (46) and connecting axle (42) press from both sides tight bearing (44).

7. A dome valve of a wear resistant air bag construction in accordance with claim 6 wherein: one side of the bearing (44) is provided with a mounting cover (47), a third bolt (48) penetrates through the mounting cover (47), and the mounting cover (47) and the valve body (1) are fixed by the third bolt (48) in threaded connection with the valve body (1).

8. A dome valve of a wear resistant air bag construction in accordance with claim 1 wherein: one side of the rotating shaft (7) is fixedly connected with the valve core (3), the other side of the rotating shaft (7) is fixedly connected with the pneumatic actuator (8), and the pneumatic actuator (8) drives the valve core (3) to rotate through the rotating shaft (7).