CN113236803B

CN113236803B - Antibiotic pneumatic adjustment trip valve

Info

Publication number: CN113236803B
Application number: CN202110636110.7A
Authority: CN
Inventors: 章玉良
Original assignee: Hangzhou Weihe Control Instrument Co ltd
Current assignee: Hangzhou Weihe Control Instrument Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2022-12-13
Anticipated expiration: 2041-06-08
Also published as: CN113236803A

Abstract

The invention discloses an antibiotic pneumatic adjustment cut-off valve which comprises a pneumatic cavity, a support, a valve cover and a valve body, wherein the pneumatic cavity is arranged at the top of the support, the valve cover is arranged at the bottom of the support, the valve body is arranged at the bottom of the valve cover, a pneumatic film is arranged in the pneumatic cavity, a clamping piece is arranged on the pneumatic film, a valve rod sleeve is fixedly arranged on the support, a valve rod assembly is slidably arranged on the valve rod sleeve, the clamping piece is arranged at the top of the valve rod assembly, a fixing plate is fixedly arranged on the support, a rotating sleeve is rotatably arranged on the fixing plate, and three adjusting mechanisms are arranged on the inner ring of the rotating sleeve. According to the invention, the up-and-down moving process of the valve rod assembly is limited by the three guide belts, and the guide belts are driven to rotate in the up-and-down moving process of the valve rod assembly, so that the up-and-down moving process of the valve rod assembly is ensured to be stable, and meanwhile, the condition that the valve rod assembly is deviated in the up-and-down moving process is avoided.

Description

Antibiotic pneumatic adjustment trip valve

Technical Field

The invention relates to the technical field of design of a stop valve, in particular to a pneumatic antibiotic regulating stop valve.

Background

The pneumatic regulating cut-off valve is a conveying switch for liquid and gas in a common working pipeline, and the liquid and the gas in the pipeline are blocked and conducted by controlling the regulating cut-off valve, so that people can conveniently further use the fluid. Along with the continuous application development of the stop valve, the defect of the stop valve in application is gradually shown, and when the existing stop valve arranged on the bio-pharmaceutical fermentation device controls and blocks antibiotics in a pipeline, the valve rod drives the valve core to reciprocate up and down to control the flow. Because the valve rod is in threaded connection with the valve core, the valve core forces the valve rod and the valve core to generate torque stress under the action of liquid deflection pressure, and the stress acts on the valve rod, so that the coaxiality of the valve rod and the valve core is not easy to guarantee, the linear deviation of the motion track of the valve core is caused, and the valve core is easier to rotate. Simultaneously the skew appears in the trip valve working process in the valve stem subassembly lift working process easily, causes the valve stem subassembly upper and lower moving process simultaneously because the regulation of atmospheric pressure not steady, and the dirt is hidden with the export chamber intercommunication position easily to the import chamber in the valve body and is taken up dirty, is very difficult to the clearance simultaneously, and current trip valve stem is changed whole process and is needed operating personnel to participate in, unable automatic change.

Disclosure of Invention

The invention aims to provide a pneumatic antibiotic regulating cut-off valve, which solves the following technical problems: (1) The problem that in the prior art, a valve rod assembly is easy to deviate in the lifting working process in the working process of a cut-off valve, and the valve rod assembly is unstable in the up-and-down moving process due to the adjustment of air pressure is solved; (2) The technical problems that in the prior art, the communicated position of an inlet cavity and an outlet cavity in a valve body is easy to store dirt and is very difficult to clean are solved; (3) The technical problems that in the prior art, the valve rod assembly is in threaded connection with the valve core, the valve core is easily separated from the valve rod assembly due to long-time use, and meanwhile, operators are required to participate in the whole process of replacement of the valve rod of the existing cut-off valve, and automatic replacement cannot be achieved are solved.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides an antibiotic pneumatic adjustment trip valve, includes pneumatic chamber, support, valve gap, valve body, pneumatic chamber is installed in the support top, the valve gap is installed in the support bottom, the valve body is installed to the valve gap bottom, be provided with pneumatic film in the pneumatic chamber, install the clamping piece on the pneumatic film, fixed mounting has the valve rod cover on the support, slidable mounting has the valve rod subassembly on the valve rod cover, the clamping piece is installed in the valve rod subassembly top, fixed mounting has the fixed plate on the support, rotate on the fixed plate and install the swivel nut, the swivel nut inner circle is provided with three adjustment mechanism, the guiding hole has been seted up on the valve gap, the valve rod subassembly slides and runs through the guiding hole, valve rod subassembly bottom threaded connection case, two recesses have been seted up to case inner chamber both sides, install anti-rotation mechanism in the recess, case slidable mounting is in the valve body, be provided with import chamber, export chamber in the valve body, case bottom installation has the case ball, the valve body bottom is rotated and is installed the cock, install two spacing inserted blocks in the valve body, two slots have been seted up to case ball top.

Further, the breather pipe is installed to pneumatic chamber one side bottom, two first springs are installed at pneumatic intracavity chamber top, install two second springs on the clamp, two first springs and two second springs one-to-one, the second spring sets up under first spring.

Further, install the stroke scale on the support, install the stroke pointer on the valve rod subassembly, swivel sleeve outer lane fixed mounting has the ring gear, fixed mounting has micro-gap motor on the support, micro-gap motor output shaft connects the gear, gear and ring gear intermeshing.

Further, three adjustment mechanism is radian setting such as, adjustment mechanism includes the mounting bar, rotate on the mounting bar and install two first head rods soon, slidable mounting has the slider on the mounting bar, rotate on the slider and install two second head rods soon, two first head rods soon, two second head rods all rotate to connect and adjust the shell, adjust the shell internal rotation and install a plurality of belt pulleys, connect through the direction belt transmission between a plurality of belt pulleys, install driving motor on the regulation shell, one of them belt pulley of driving motor output shaft.

Further, the rotation preventing mechanism comprises a third spring, a concave block is mounted on the third spring, a fourth spring is fixedly mounted on the concave block, a connecting block is fixedly mounted at one end, far away from the concave block, of the fourth spring, and a friction pad is mounted on the connecting block.

Further, the valve rod assembly comprises an upper valve rod and a lower valve rod, the upper valve rod is rotatably connected with the lower valve rod, and a plurality of rubber tentacles are arranged on the surface of the valve core ball.

Furthermore, the two limiting insertion blocks correspond to the two slots one by one, and the limiting insertion blocks and the slots are matched components.

Further, when valve rod assembly need move up or move down, open the fine motion cylinder, fine motion cylinder piston rod promotes the slider, the slider drives two seconds and connects the pole rotation soon, two first soon of pole cooperation of connecting of two seconds connect the pole drive to adjust shell horizontal migration soon, and then the lower valve rod contact on guide belt on the three regulation shell and the valve rod assembly, three guide belt carries on spacingly to valve rod assembly's the process of reciprocating, valve rod assembly is last, move down the in-process and drive the guide belt rotation, guarantee valve rod assembly's the process of reciprocating steady, avoid valve rod assembly to appear the condition of skew at the in-process that reciprocates simultaneously.

Further, when the inlet cavity and the outlet cavity are required to be cleaned, a micro motor is started, an output shaft of the micro motor drives a gear to rotate, a gear is matched with a toothed ring to drive a rotary sleeve to rotate, then a valve rod is driven to rotate, the lower valve rod drives a valve core ball to rotate through a valve core, a rubber tentacle on the valve core ball cleans the inlet cavity and the outlet cavity at the connecting position, a cock is screwed after cleaning, water is led to the opening position of the cock, and the water flushes out dirt at the connecting position of the inlet cavity and the outlet cavity towards the two sides of the inlet cavity and the outlet cavity.

Further, when the valve rod assembly needs to be replaced, the pneumatic cavity is opened, the driving motor is started, the driving motor output shaft drives the belt pulleys to rotate, the belt pulleys drive the guide belts to rotate, the three guide belts drive the valve rod assembly to ascend, the valve rod assembly drives the valve core ball to ascend through the valve core, the limiting insertion block is inserted into the insertion groove in the valve core ball, then the micro motor is started, the rotary sleeve drives the lower valve rod to rotate, the valve rod assembly is screwed out of the valve core, after the valve rod assembly is replaced, the replaced valve rod assembly is screwed into the valve core, the lower valve rod downwards screws the friction pad on the connecting block in the process of extruding, the connecting block extrudes the fourth spring to shrink, meanwhile, the concave block extrudes the third spring to shrink, and the bottom of the lower valve rod is limited by the friction pad.

The invention has the beneficial effects that:

(1) According to the antibiotic pneumatic adjusting cut-off valve, when the valve rod assembly needs to move up or down, the micro-motion cylinder is started, the piston rod of the micro-motion cylinder pushes the sliding block, the sliding block drives the two second rotary connecting rods to rotate, the two second rotary connecting rods are matched with the two first rotary connecting rods to drive the adjusting shell to move horizontally, further, guide belts on the three adjusting shells are in contact with the lower valve rod on the valve rod assembly, the three guide belts limit the up-and-down moving process of the valve rod assembly, the guide belts are driven to rotate in the up-and-down moving process of the valve rod assembly, the up-and-down moving process of the valve rod assembly is ensured to be stable, and meanwhile, the condition that the valve rod assembly deviates in the up-and-down moving process is avoided;

(2) When the connecting position of the inlet cavity and the outlet cavity needs to be cleaned, a micromotor is started, an output shaft of the micromotor drives a gear to rotate, the gear is matched with a toothed ring to drive a rotary sleeve to rotate, so that a lower valve rod is driven to rotate, the lower valve rod drives a valve core ball to rotate through a valve core, a rubber tentacle on the valve core ball cleans the connecting position of the inlet cavity and the outlet cavity, a cock is screwed after cleaning, water is introduced to the opening position of the cock, dirt at the connecting position of the inlet cavity and the outlet cavity is flushed out towards the two sides of the inlet cavity and the outlet cavity by the water, and the communicating position of the inlet cavity and the outlet cavity can be directly cleaned;

(3) When the valve rod component needs to be replaced, the pneumatic cavity is opened, the driving motor is started, the driving motor output shaft drives the belt pulleys to rotate, the belt pulleys drive the guide belts to rotate, the three guide belts drive the valve rod component to ascend, the valve rod component drives the valve core ball to ascend through the valve core, the limiting insert block is inserted into the slot in the valve core ball, then the micro motor is started, the rotary sleeve drives the lower valve rod to rotate, the valve rod component is screwed out from the valve core, after the valve rod component is replaced, the replaced valve rod component is screwed into the valve core, the lower valve rod downwards screws the friction pad on the connecting block in the screwing process, the connecting block extrudes the fourth spring to shrink, the concave block extrudes the third spring to shrink, the friction pad limits the bottom of the lower valve rod, the situation that the valve rod component and the valve core are prone to deflection is prevented, and the situation that the valve core drops in the working process of the cut-off valve is prevented.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of a pneumatic antibiotic regulating shut-off valve of the present invention;

FIG. 2 is a schematic view of the construction of the rotating sleeve of the present invention;

FIG. 3 is an internal structural view of the valve cartridge of the present invention;

FIG. 4 is a schematic structural view of the anti-rotation mechanism of the present invention;

FIG. 5 is an internal structural view of the rotary sleeve of the present invention;

fig. 6 is a schematic view of the structure of the adjusting mechanism of the present invention.

In the figure: 1. a pneumatic chamber; 2. a breather pipe; 3. a pneumatic membrane; 4. a clip; 5. a valve stem sleeve; 6. a valve stem assembly; 7. a trip pointer; 8. a first spring; 9. a second spring; 10. a support; 101. a travel scale; 11. a valve cover; 12. a rotating sleeve; 13. a fixing plate; 14. a toothed ring; 15. a gear; 16. a micromotion motor; 17. an adjustment mechanism; 18. mounting a bar; 19. a first rotary rod; 20. a slider; 21. a jogging cylinder; 22. a second rotary rod; 23. an adjustment housing; 24. a drive motor; 25. a valve core; 26. a groove; 27. an anti-rotation mechanism; 271. a third spring; 272. a concave block; 273. a fourth spring; 274. connecting blocks; 275. a friction pad; 28. an inlet chamber; 29. an outlet chamber; 30. a valve body; 31. a valve core ball; 32. a cock; 33. and limiting the inserting block.

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. 1-6, the invention relates to an antibiotic pneumatic regulating cut-off valve, which comprises a pneumatic cavity 1, a support 10, a valve cover 11 and a valve body 30, wherein the pneumatic cavity 1 is installed at the top of the support 10, the valve cover 11 is installed at the bottom of the support 10, the valve body 30 is installed at the bottom of the valve cover 11, a pneumatic film 3 is arranged in the pneumatic cavity 1, a clamping piece 4 is installed on the pneumatic film 3, a valve rod sleeve 5 is fixedly installed on the support 10, a valve rod assembly 6 is slidably installed on the valve rod sleeve 5, the clamping piece 4 is installed at the top of the valve rod assembly 6, a fixing plate 13 is fixedly installed on the support 10, a rotating sleeve 12 is rotatably installed on the fixing plate 13, three regulating mechanisms 17 are arranged on the inner ring of the rotating sleeve 12, a guide hole is formed in the valve cover 11, the valve rod assembly 6 slidably penetrates through the guide hole, the bottom of the valve rod assembly 6 is in threaded connection with a valve core 25, two grooves 26 are formed in two sides of the inner cavity of the valve core 25, an anti-rotation mechanism 27 is installed in the groove 26, the valve core 25 is slidably installed in the valve body 30, an inlet cavity 28 and an outlet cavity 29 is formed in the valve body 30, a valve core ball 31 is formed in the bottom, a plug 32, two plug block 33 is formed in the top of the valve body 30.

Specifically, breather pipe 2 is installed to 1 one side bottom in pneumatic chamber, and two first springs 8 are installed at 1 inner chamber top in pneumatic chamber, installs two second springs 9 on the clamping piece 4, and two first springs 8 and two second springs 9 one-to-one, second spring 9 set up under first spring 8.

A stroke scale 101 is installed on the support 10, a stroke pointer 7 is installed on the valve rod assembly 6, a toothed ring 14 is fixedly installed on the outer ring of the rotary sleeve 12, a micro motor 16 is fixedly installed on the support 10, an output shaft of the micro motor 16 is connected with a gear 15, and the gear 15 is meshed with the toothed ring 14.

Three adjustment mechanism 17 is radian settings such as, adjustment mechanism 17 includes mounting

bar

18, 18 last rotation of mounting bar installs two first poles 19 that connect soon, sliding mounting has slider 20 on the mounting

bar

18, 20 last rotation of slider installs two seconds and connects pole 22 soon, two first poles 19 that connect soon, two seconds connect pole 22 all to rotate to connect and adjust shell 23, adjust 23 internal rotations of shell and install a plurality of belt pulleys, connect through the direction belt transmission between a plurality of belt pulleys, install driving motor 24 on the regulation shell 23, driving motor 24 output shaft connects one of them belt pulley.

The anti-rotation mechanism 27 comprises a third spring 271, a concave block 272 is mounted on the third spring 271, a fourth spring 273 is fixedly mounted on the concave block 272, a connecting block 274 is fixedly mounted at one end, far away from the concave block 272, of the fourth spring 273, and a friction pad 275 is mounted on the connecting block 274.

The valve rod assembly 6 comprises an upper valve rod and a lower valve rod, the upper valve rod is rotatably connected with the lower valve rod, and a plurality of rubber tentacles are arranged on the surface of the valve core ball 31.

The two limit insertion blocks 33 correspond to the two slots one by one, and the limit insertion blocks 33 and the slots are matched components.

Referring to fig. 1-6, the use of the pneumatic antibiotic-regulating shut-off valve of the present embodiment is as follows:

when the valve rod assembly 6 needs to move up or down, the micro-motion cylinder 21 is opened, a piston rod of the micro-motion cylinder 21 pushes the slider 20, the slider 20 drives the two second rotary connecting rods 22 to rotate, the two second rotary connecting rods 22 are matched with the two first rotary connecting rods 19 to drive the adjusting shell 23 to move horizontally, further, guide belts on the three adjusting shell 23 are in contact with a lower valve rod on the valve rod assembly 6, the up-and-down moving process of the valve rod assembly 6 is limited by the three guide belts, the up-and-down moving process of the valve rod assembly 6 drives the guide belts to rotate, the up-and-down moving process of the valve rod assembly 6 is ensured to be stable, and meanwhile, the condition that the valve rod assembly 6 deviates in the up-and-down moving process is avoided.

When the connection position of the inlet cavity 28 and the outlet cavity 29 needs to be cleaned, the micro-motion motor 16 is started, the output shaft of the micro-motion motor 16 drives the gear 15 to rotate, the gear 15 is matched with the toothed ring 14 to drive the rotary sleeve 12 to rotate, so that the lower valve rod is driven to rotate, the lower valve rod drives the valve core ball 31 to rotate through the valve core 25, a rubber tentacle on the valve core ball 31 cleans the connection position of the inlet cavity 28 and the outlet cavity 29, the cock 32 is screwed after cleaning, water is introduced into the opening position of the cock 32, and the water flushes dirt at the connection position of the inlet cavity 28 and the outlet cavity 29 towards the two sides of the inlet cavity 28 and the outlet cavity 29.

When the valve rod assembly 6 needs to be replaced, the pneumatic cavity 1 is opened, the driving motor 24 is started, the output shaft of the driving motor 24 drives the belt pulleys to rotate, the belt pulleys drive the guide belts to rotate, the three guide belts drive the valve rod assembly 6 to ascend, the valve rod assembly 6 drives the valve core ball 31 to ascend through the valve core 25, the limiting insertion block 33 is inserted into the slot in the valve core ball 31, then the micro motor 16 is started, the rotary sleeve 12 drives the lower valve rod to rotate, the valve rod assembly 6 is screwed out of the valve core 25, after the valve rod assembly 6 is replaced, the replaced valve rod assembly 6 is screwed into the valve core 25, the lower valve rod downwards screws the friction pad 275 on the connecting block 274 in the process, the connecting block 274 extrudes the fourth spring 273 to shrink, meanwhile, the concave block 272 extrudes the third spring 271 to shrink, and the friction pad 275 limits the bottom of the lower valve rod.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although one embodiment of the present invention has been described in detail, the description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. The utility model provides an antibiotic pneumatic adjustment trip valve, includes pneumatic chamber (1), support (10), valve gap (11), valve body (30), its characterized in that, install in support (10) top pneumatic chamber (1), valve gap (11) are installed in support (10) bottom, valve body (30) are installed to valve gap (11) bottom, be provided with pneumatic film (3) in pneumatic chamber (1), install clamping piece (4) on pneumatic film (3), fixed mounting has valve rod cover (5) on support (10), slidable mounting has valve rod assembly (6) on valve rod cover (5), clamping piece (4) are installed in valve rod assembly (6) top, fixed mounting has fixed plate (13) on support (10), rotatable mounting has swivel sleeve (12) on fixed plate (13), swivel sleeve (12) inner circle is provided with three adjustment mechanism (17), the guiding hole has been seted up on valve gap (11), valve rod assembly (6) slide and run through the guiding hole, threaded connection case (25) in valve rod assembly (6) bottom, case (25) both sides have been seted up two recess (26), valve body (26) are installed in sliding mounting has the recess (26), the novel valve is characterized in that an inlet cavity (28) and an outlet cavity (29) are arranged in the valve body (30), a valve core ball (31) is installed at the bottom of the valve core (25), a cock (32) is rotatably installed at the bottom of the valve body (30), two limiting insertion blocks (33) are installed in the valve body (30), and two insertion grooves are formed in the top of the valve core ball (31).

2. The pneumatic antibiotic adjustment shut-off valve according to claim 1, wherein the bottom of one side of the pneumatic cavity (1) is provided with the vent pipe (2), the top of the inner cavity of the pneumatic cavity (1) is provided with two first springs (8), the clamping piece (4) is provided with two second springs (9), the two first springs (8) and the two second springs (9) are in one-to-one correspondence, and the second springs (9) are arranged under the first springs (8).

3. The pneumatic antibiotic adjusting stop valve according to claim 1, wherein a stroke scale (101) is installed on the support (10), a stroke pointer (7) is installed on the valve rod assembly (6), a toothed ring (14) is fixedly installed on the outer ring of the rotary sleeve (12), a micro motor (16) is fixedly installed on the support (10), an output shaft of the micro motor (16) is connected with a gear (15), and the gear (15) is meshed with the toothed ring (14).

4. The pneumatic antibiotic adjusting stop valve according to claim 1, wherein three adjusting mechanisms (17) are arranged in equal radian, each adjusting mechanism (17) comprises a mounting bar (18), two first rotary rods (19) are rotatably mounted on the mounting bar (18), a sliding block (20) is slidably mounted on the mounting bar (18), two second rotary rods (22) are rotatably mounted on the sliding block (20), the two first rotary rods (19) and the two second rotary rods (22) are rotatably connected with an adjusting shell (23), a plurality of belt pulleys are rotatably mounted in the adjusting shell (23), the plurality of belt pulleys are connected through a guide belt in a transmission manner, a driving motor (24) is mounted on the adjusting shell (23), and one of the belt pulleys is connected with an output shaft of the driving motor (24).

5. The pneumatic antibiotic regulating cut-off valve according to claim 1, wherein the rotation preventing mechanism (27) comprises a third spring (271), a concave block (272) is mounted on the third spring (271), a fourth spring (273) is fixedly mounted on the concave block (272), a connecting block (274) is fixedly mounted at one end, far away from the concave block (272), of the fourth spring (273), and a friction pad (275) is mounted on the connecting block (274).

6. The antibiotic pneumatic regulating cut-off valve according to claim 1, wherein the valve rod assembly (6) comprises an upper valve rod and a lower valve rod, the upper valve rod and the lower valve rod are rotatably connected, and a plurality of rubber tentacles are arranged on the surface of the valve core ball (31).

7. The pneumatic antibiotic regulating cut-off valve as claimed in claim 1, wherein two limiting insertion blocks (33) correspond to two insertion slots one by one, and the limiting insertion blocks (33) and the insertion slots are matched components.