阅读说明：本技术 一种三片式高平台气动球阀 (Three-piece type high-platform pneumatic ball valve ) 是由 朱振华 于 2020-06-04 设计创作，主要内容包括：本发明属于气动球阀技术领域,尤其为一种三片式高平台气动球阀,包括底座,所述底座内设有两个螺纹杆,所述螺纹杆的顶部和底部分别和底座的顶部内壁和底部内壁转动连接,所述螺纹杆上通过螺纹安装有螺纹块,两个螺纹杆上分别焊接有第一皮带轮和第二皮带轮,所述第一皮带轮和第二皮带轮套设有同一根皮带,所述螺纹杆的底端贯穿底座延伸至底座外并焊接有第一锥齿轮,所述底座的底部焊接有保护罩,所述保护罩的一侧转动安装有传动杆,所述传动杆的一端延伸至保护罩内并焊接有第二锥齿轮,所述第一锥齿轮和第二锥齿轮相啮合,本发明结构简单、使用方便,平台和阀门可以灵活拆卸,且底座的高低可调节,安装起来便捷省力。(The invention belongs to the technical field of pneumatic ball valves, in particular to a three-piece high-platform pneumatic ball valve which comprises a base, wherein two threaded rods are arranged in the base, the top and the bottom of each threaded rod are respectively and rotatably connected with the inner wall of the top and the inner wall of the bottom of the base, threaded blocks are arranged on the threaded rods through threads, a first belt pulley and a second belt pulley are respectively welded on the two threaded rods, the first belt pulley and the second belt pulley are sleeved with the same belt, the bottom end of each threaded rod penetrates through the base to extend out of the base and is welded with a first bevel gear, a protective cover is welded at the bottom of the base, a transmission rod is rotatably arranged at one side of the protective cover, one end of the transmission rod extends into the protective cover and is welded with a second bevel gear, the first bevel gear and the second bevel gear are meshed, the three-piece high-platform pneumatic ball valve is simple in structure and convenient to use, and the platform and the valve can be flexibly disassembled, and the height of the base can be adjusted, and the installation is convenient and labor-saving.)

1. The utility model provides a high platform pneumatic ball valve of three formula, includes base (1), its characterized in that: the improved belt conveyor is characterized in that two threaded rods (2) are arranged in the base (1), the top and the bottom of each threaded rod (2) are respectively rotatably connected with the inner wall of the top and the inner wall of the bottom of the base (1), threaded blocks (3) are installed on the threaded rods (2) through threads, a first belt pulley (4) and a second belt pulley (5) are respectively welded on the two threaded rods (2), the first belt pulley (4) and the second belt pulley (5) are sleeved with the same belt, the bottom end of each threaded rod (2) penetrates through the base (1) and extends out of the base (1) and is fixedly provided with a first bevel gear (6), the bottom of the base (1) is fixedly provided with a protective cover (7), one side of the protective cover (7) is rotatably provided with a transmission rod (8), one end of the transmission rod (8) extends into the protective cover (7) and is welded with a second bevel gear (9), the first bevel gear (6) is meshed with the second bevel gear (9), the bottoms of the two thread blocks (3) are fixedly provided with the same pressing plate (10), the inner walls of two sides of the base (1) are provided with limit rods (12), one side of the thread block (3) is fixedly provided with a slide block (11), the slide block (11) is connected with the limiting rod (12) in a sliding way, two supporting legs (13) are fixedly arranged at the bottom of the pressing plate (10), the bottom of the supporting leg (13) penetrates through the inner wall of the bottom of the base (1) and extends out of the base (1), the supporting legs (13) are connected with the inner wall of the bottom of the base (1) in a sliding way, two supporting plates (14) are fixedly arranged at the top of the base (1), the supporting plate (14) is provided with clamping rods (15) in a sliding mode, and a valve body (16) is arranged between the two clamping rods (15).

2. A three-piece high platform pneumatic ball valve according to claim 1, wherein: the inner wall of the top and the inner wall of the bottom of the base (1) are provided with round holes, bearings are arranged in the round holes, the outer rings of the bearings are fixedly connected with the inner walls of the round holes, and the inner rings of the bearings are fixedly sleeved on the threaded rods (2).

3. A three-piece high platform pneumatic ball valve according to claim 1, wherein: the threaded block (3) is provided with a through hole, threads are arranged in the through hole, and the threads on the threaded rod (2) are matched with the threads in the through hole.

4. A three-piece high platform pneumatic ball valve according to claim 1, wherein: a through hole is formed in one side, close to the limiting rod (12), of the sliding block (11), and the limiting rod (12) is connected with the through hole in a sliding mode.

5. A three-piece high platform pneumatic ball valve according to claim 1, wherein: the bottom inner wall of the base (1) is provided with a through hole, a sealing ring is arranged in the through hole, and the supporting legs (13) are connected with the sealing ring in a sliding mode.

6. A three-piece high platform pneumatic ball valve according to claim 1, wherein: the clamping device is characterized in that a clamping block is fixedly mounted at one end, close to the valve body (16), of the clamping rod (15), a spring is arranged on the clamping rod (15), one end of the spring is fixedly connected with the supporting plate (14), and the other end of the spring is welded with the clamping block.

Technical Field

The invention relates to the technical field of pneumatic ball valves, in particular to a three-piece type high-platform pneumatic ball valve.

Background

The high platform ball valve is the evolution product of ordinary ball valve, it has all functions of ordinary ball valve, and more pleasing to the eye than ordinary ball valve in the molding, it is more exquisite, it is very convenient to take platform ball valve installation electronic or pneumatic actuator, can also avoid the support to practice thrift the cost, the production efficiency is improved, and it is also very stable to improve the steadiness in use performance between valve and the executor greatly, just can not be because the support is not hard up or the shaft coupling clearance too big influence whole valve's is suitable for, and ordinary ball valve just can directly adorn the executor to accomplish high platform ball valve, and ordinary ball valve needs to adorn the executor after the support, high platform ball valve and flange gate valve are the valve of a generic type together, the difference is a spheroid at the closing member, the spheroid reaches the valve of opening, closing around the rotation of valve body central line. The ball valve is mainly used for cutting off, distributing and changing the flow direction of the medium in the pipeline.

However, in the prior art, the high-platform ball valve base is fixed at the bottom of the valve body, and the height of the high-platform ball valve base cannot be adjusted, so that when the high-platform ball valve base is installed in a pipeline higher than the height of the valve body, the valve body needs to be held by one hand for installation, and the installation is inconvenient.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a three-piece high-platform pneumatic ball valve.

In order to achieve the purpose, the invention adopts the following technical scheme: a three-piece type high-platform pneumatic ball valve comprises a base, wherein two threaded rods are arranged in the base, the top and the bottom of each threaded rod are respectively rotatably connected with the inner wall of the top and the inner wall of the bottom of the base, threaded blocks are arranged on the threaded rods through threads, a first belt pulley and a second belt pulley are respectively welded on the two threaded rods, the first belt pulley and the second belt pulley are sleeved with the same belt, the bottom end of each threaded rod penetrates through the base and extends out of the base and is welded with a first bevel gear, a protective cover is welded at the bottom of the base, a transmission rod is rotatably arranged on one side of the protective cover, one end of the transmission rod extends into the protective cover and is welded with a second bevel gear, the first bevel gear is meshed with the second bevel gear, the bottoms of the two threaded blocks are welded with the same pressing plate, limiting rods are arranged on the inner walls of the two sides of the base, the welding of one side of screw thread piece has the slider, slider and gag lever post sliding connection, the bottom fixed mounting of clamp plate has two supporting legs, the bottom of supporting leg runs through the bottom inner wall of base and extends to outside the base, the bottom inner wall sliding connection of supporting leg and base, the welding of the top of base has two backup pads, slidable mounting has the supporting rod in the backup pad, is equipped with the valve body between two supporting rods.

Preferably, the top inner wall and the bottom inner wall of the base are both provided with round holes, bearings are arranged in the round holes, the outer rings of the bearings are welded with the inner walls of the round holes, and the inner rings of the bearings are fixedly sleeved on the threaded rods.

Preferably, a through hole is formed in the thread block, a thread is arranged in the through hole, and the thread on the threaded rod is matched with the thread in the through hole.

Preferably, a through hole is formed in one side, close to the limiting rod, of the sliding block, and the limiting rod is in sliding connection with the through hole.

Preferably, a through hole is formed in the inner wall of the bottom of the base, a sealing ring is arranged in the through hole, and the supporting leg is connected with the sealing ring in a sliding mode.

Preferably, the clamping rod is welded with the clamping block at one end close to the valve body, the clamping rod is provided with a spring, one end of the spring is welded with the supporting plate, and the other end of the spring is welded with the clamping block.

Compared with the prior art, the invention has the beneficial effects that: when the clamping device is used, the two clamping rods are pulled out towards the direction of being away from each other, the two clamping rods drive the two clamping blocks to be away from each other, then the valve body is placed between the two clamping blocks, then the hand for pulling the clamping rods is loosened, the springs on the clamping rods can deform and restore, the valve body is tightly clamped, then the height of the base is adjusted according to the height of an installation pipeline, the transmission rod is rotated, the transmission rod drives the second bevel gear to rotate, the second bevel gear drives the first bevel gear to rotate, the first bevel gear drives the first belt pulley to rotate, the first belt pulley drives the second belt pulley to rotate, the two belt pulleys drive the two threaded rods to rotate simultaneously when rotating, the two threaded rods drive the threaded blocks to ascend or descend, the two threaded blocks drive the pressing plate to move, and the pressing plate drives the supporting leg to ascend or descend.

The invention has simple structure and convenient use, the platform and the valve can be flexibly disassembled, and the height of the base can be adjusted, so the installation is convenient and labor-saving.

Drawings

FIG. 1 is a front cross-sectional structural schematic view of the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of portion B of FIG. 1;

in the figure: 1. a base; 2. a threaded rod; 3. a thread block; 4. a first pulley; 5. a second pulley; 6. a first bevel gear; 7. a protective cover; 8. a transmission rod; 9. a second bevel gear; 10. pressing a plate; 11. a slider; 12. a limiting rod; 13. supporting legs; 14. a support plate; 15. a clamping rod; 16. a valve body.

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. 1-3, the present invention provides a technical solution: a three-piece type high-platform pneumatic ball valve comprises a base 1, two threaded rods 2 are arranged in the base 1, the tops and the bottoms of the threaded rods 2 are respectively rotatably connected with the inner walls of the tops and the bottoms of the base 1, threaded blocks 3 are arranged on the threaded rods 2 through threads, a first belt pulley 4 and a second belt pulley 5 are respectively welded on the two threaded rods 2, the first belt pulley 4 and the second belt pulley 5 are sleeved with the same belt, the bottom ends of the threaded rods 2 penetrate through the base 1 and extend out of the base 1 and are welded with first bevel gears 6, a protective cover 7 is welded at the bottom of the base 1, a transmission rod 8 is rotatably arranged on one side of the protective cover 7, one end of the transmission rod 8 extends into the protective cover 7 and is welded with second bevel gears 9, the first bevel gears 6 are meshed with the second bevel gears 9, the bottoms of the two threaded blocks 3 are welded with the same pressing plate 10, and limiting rods 12 are arranged on the inner walls of two sides of the base 1, a sliding block 11 is welded on one side of the threaded block 3, the sliding block 11 is connected with a limiting rod 12 in a sliding mode, two supporting legs 13 are fixedly installed at the bottom of the pressing plate 10, the bottoms of the supporting legs 13 penetrate through the inner wall of the bottom of the base 1 and extend out of the base 1, the supporting legs 13 are connected with the inner wall of the bottom of the base 1 in a sliding mode, two supporting plates 14 are welded on the top of the base 1, clamping rods 15 are installed on the supporting plates 14 in a sliding mode, and a valve body 16 is arranged between the two clamping rods 15;

the inner wall of the top and the inner wall of the bottom of the base 1 are both provided with round holes, bearings are arranged in the round holes, an outer ring of each bearing is welded with the inner wall of the round hole, an inner ring of each bearing is fixedly sleeved on the threaded rod 2, a through hole is formed in the threaded block 3, threads are arranged in the through hole, the threads on the threaded rod 2 are matched with the threads in the through hole, one side, close to the limiting rod 12, of the sliding block 11 is provided with a through hole, the limiting rod 12 is in sliding connection with the through hole, the inner wall of the bottom of the base 1 is provided with a through hole, a sealing ring is arranged in the through hole, the supporting leg 13 is in sliding connection with the sealing ring, one end, close to the valve body 16, of the clamping rod 15 is welded with a clamping block, a spring is arranged on the clamping rod 15, one end of the spring is welded with the supporting plate 14, the other end of the spring is welded with the clamping block, when the two clamping rods 15 are pulled out towards the direction away from each other, and the two clamping blocks are driven by the two clamping rods 15 to be away from each other, then the valve body 16 is placed between the two clamping blocks, then the hand pulling the clamping rod 15 is released, the spring on the clamping rod 15 is deformed and restored, the valve body 16 is tightly clamped, then the height of the base 1 is adjusted according to the height of the installed pipeline, the transmission rod 8 is rotated, the transmission rod 8 drives the second bevel gear 9 to rotate, the second bevel gear 9 drives the first bevel gear 6 to rotate, the first bevel gear 6 drives the first belt pulley 4 to rotate, the first belt pulley 4 drives the second belt pulley 5 to rotate, the two belt pulleys drive the two threaded rods 2 to simultaneously rotate when rotating, the two threaded rods 2 drive the threaded blocks 3 to ascend or descend, the two threaded blocks drive the pressing plate 10 to move, and the pressing plate 10 drives the supporting legs 13 to ascend or descend.

The working principle is as follows: when the pipeline installation clamp is used, the two clamping rods 15 are pulled out towards the direction of keeping away from each other, the two clamping rods 15 drive the two clamping blocks to keep away from each other, then the valve body 16 is placed between the two clamping blocks, then the hand pulling the clamping rods 15 is loosened, the springs on the clamping rods 15 can be deformed and restored to tightly clamp the valve body 16, then the height of the base 1 is adjusted according to the height of an installation pipeline, the transmission rod 8 is rotated, the transmission rod 8 drives the second bevel gear 9 to rotate, the second bevel gear 9 drives the first bevel gear 6 to rotate, the first bevel gear 6 drives the first belt pulley 4 to rotate, the first belt pulley 4 drives the second belt pulley 5 to rotate, the two belt pulleys drive the two threaded rods 2 to simultaneously rotate when rotating, the two threaded rods 2 drive the threaded blocks 3 to ascend or descend, the two threaded blocks drive the pressing plate 10 to move, and the pressing plate 10 drives the driving supporting legs 13 to ascend or descend Convenient to use, platform and valve can be dismantled in a flexible way, and the height of base is adjustable, and it is convenient laborsaving to install.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 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 invention, the scope of which is defined in the appended claims and their equivalents.