CN210372130U

CN210372130U - Three-way antibiotic stop valve

Info

Publication number: CN210372130U
Application number: CN201921541195.5U
Authority: CN
Inventors: 钟兴旺; 姜振光; 陈钢
Original assignee: Beike Valve Manufacturing Co ltd
Current assignee: Beike Valve Manufacturing Co ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-04-21
Anticipated expiration: 2029-09-17

Abstract

The utility model discloses a three-way antibiotic stop valve. The utility model discloses a tee bend antibiotic stop valve, include: the hand wheel, the valve gap, the valve rod, valve clack and valve body, be provided with the direction recess at the outer peripheral face of valve clack, it has soft second O type circle in order to cooperate with the inner chamber of valve body to inlay in the direction recess, the guide effect has, the slope of valve clack when preventing the valve side dress, the use sealing performance has been guaranteed to the direction valve clack structure, the safe life who prolongs sealed, the valve clack is provided with first O type circle at the inside wall with valve rod connection area, first O type circle can play the isolation, make the position that the valve rod stretched into the hole of valve clack can not be with any working medium direct contact in the valve intracavity, consequently, thoroughly avoided the material in the chance that valve rod and valve clack screw thread department bond and be detained, therefore really realize that the inner chamber does not have the residue, the antibiotic effect of no siltation, prevent the derivation.

Description

Three-way antibiotic stop valve

Technical Field

The utility model relates to the technical field of valves, concretely relates to tee bend antibiotic stop valve.

Background

The antibiotic stop valve is mainly applied to the fields of biological fermentation, medicine, beer fermentation and the like. The main bottom of the antibiotic stop valve can be provided with a drain hole according to the needs of customers, and the antibiotic stop valve has the advantages of high temperature resistance and long service life. At present, when a common antibiotic stop valve is installed in a horizontal position, the valve clack is prone to incline due to the fact that a gap exists at the matching position between the valve clack and a cavity in a valve body, the use of the valve is affected, and the valve is prone to leakage. When the pipeline overflows and strikes, the rotation phenomenon of valve clack produces noise, vibrations easily.

According to the requirements of GMP standard in pharmaceutical industry, the antibiotic stop valve not only has good sealing performance, but also has strict requirements on sealing materials. For example, the material should be able to adapt to higher temperature and pressure, the erosion, corrosion and abrasion of the valve sealing material by the medium during operation are not affected, and the valve is ensured not to leak and leak in the service life. Therefore, there is a need for a three-way antibiotic shut-off valve to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tee bend antibiotic stop valve to solve current antibiotic stop valve and easily take place the valve clack slope when horizontal position installation, influence the problem of the use of valve.

The utility model provides a tee bend antibiotic stop valve, include: the valve comprises a hand wheel, a valve cover, a valve rod, a valve clack and a valve body; the valve cover is arranged at the top of the valve body, the valve cover and the valve body are fixed together through a bolt and a nut in threaded connection with the bolt, the valve clack is arranged in the valve body, one end of the valve rod penetrates through the valve cover and extends into the valve body, one end of the valve rod, which is positioned in the valve body, is connected with the valve clack, and the hand wheel is arranged at the top end of the valve rod; the outer peripheral face of the valve clack is provided with a guide groove, a soft second O-shaped ring is embedded in the guide groove to be matched with the inner cavity of the valve body, and a first O-shaped ring is arranged on the inner side wall of the valve rod connecting area of the valve clack.

Optionally, a sealing ring is arranged at the bottom of the valve flap.

Optionally, the three-way antibiotic stop valve further comprises a valve rod nut, a packing gland and a packing; the packing gland is arranged above the valve cover, the valve rod penetrates through the packing gland, the valve rod nut is arranged outside the valve rod, and the packing is arranged among the valve cover, the packing gland and the valve rod.

Optionally, the guide groove is a U-shaped groove.

Optionally, the first O-ring and the second O-ring are made of reinforced polytetrafluoroethylene, para-polyphenol or polychlorotrifluoroethylene.

The utility model discloses following beneficial effect has:

the utility model provides a three-way antibiotic stop valve, through set up the direction recess in the outer peripheral face of valve clack, inlay in the direction recess and have soft second O type circle in order to cooperate with the inner chamber of valve body, still have the guide effect simultaneously, prevent the slope of valve clack when the valve side dress, the guide valve clack structure has guaranteed the use sealing performance, prolong sealed safe life, the valve clack is provided with first O type circle at the inside wall with the valve rod connection region, first O type circle can play the isolation effect, make the position that the valve rod stretches into the hole of valve clack can not directly contact with any working medium in the valve cavity, therefore thoroughly avoided the material in valve rod and valve clack screw thread department bonding and the chance of being detained, therefore really realize the antibiotic effect that the inner chamber does not have residue, no siltation, prevent the derivation, the reproduction of harmful bacterium in the valve body, stop the fungus contamination condition to take place, no dead angle, no residue and no siltation, can effectively reduce the contamination rate in pharmaceutical production, and provides reliable guarantee for antibiotic sterile production; the structure is precise, the sealing performance is good, the running, the overflowing, the dripping and the leaking are avoided, the energy consumption is saved, and favorable conditions are provided for the sanitary, environment-friendly, safe and civilized production of a workshop.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is the utility model provides a structural schematic diagram of a three-way antibiotic stop valve.

Fig. 2 is a schematic view showing a three-way antibiotic stop valve according to the present invention.

Illustration of the drawings: 1-hand wheel; 2-valve stem nut; 3-a packing gland; 4-a filler; 5-valve cover; 6-valve stem; 7-a first O-ring; 8-valve clack; 9-sealing ring; 10-and a valve body; 11-a bolt; 12-a nut; 13-a second O-ring; 80-guide groove.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, the thicknesses of layers and regions are exaggerated for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

Referring to fig. 1 to 2, an embodiment of the present invention provides a three-way antibiotic stop valve, including: hand wheel 1, valve gap 5, valve rod 6, valve clack 8 and valve body 10.

Wherein, valve gap 5 sets up in valve body 10 top, valve gap 5 with state between the valve body 10 through bolt 11 and with bolt 11 threaded connection's nut 12 fixed together, valve clack 8 sets up inside valve body 10, the one end of valve rod 6 passes valve gap 5 and stretches into the inside of valve body 10, the one end that valve rod 6 is located inside valve body 10 is connected with valve clack 8, hand wheel 1 sets up in the top of valve rod 6.

In this embodiment, the outer peripheral surface of the valve flap 8 is provided with a guide groove 80, and the guide groove 80 is a U-shaped groove. The soft second O-shaped ring 13 is embedded in the guide groove 80 to be matched with the inner cavity of the valve body 10, so that the valve has a guide effect, the valve clack 8 is prevented from inclining when the valve is laterally installed, the use sealing performance is guaranteed by the guide valve clack structure, and the safe service life of sealing is prolonged.

Further, the valve flap 8 is provided with a first O-ring 7 on the inner side wall of the region connected to the valve stem 6. The utility model discloses an utilize first O type circle 7 to play the isolation at

valve rod

6 and 8 positions of being connected of valve clack for valve rod 6 can not with any working medium direct contact in the valve cavity, consequently thoroughly avoided the material at

valve rod

6 and 8 screw thread departments of valve clack bonding and the chance of being detained, therefore really realize the antibiotic effect that the inner chamber does not have residue, no siltation, prevent deriving, breeding of harmful bacterium in the valve body, stop the microbiological contamination condition and take place.

Further, the bottom of the valve flap 8 is provided with a sealing ring 9.

The utility model discloses a tee bend antibiotic stop valve still includes valve-stem nut 2, gland 3 and filler 4. Gland 3 sets up in the top of valve gap 5, and valve rod 6 passes gland 3, and valve-stem nut 2 sets up in the outside of valve rod 6, and packing 4 sets up between valve gap 5, gland 3 and valve rod 6.

The utility model discloses a subassembly structure that valve clack 8 is sealed adopts dovetail processing technology, makes the design earlier and gives the dovetail with man-hour at 8 front cover plane positions of valve clack, and then the O type circle of embedding fashioned materials such as reinforcing polytetrafluoroethylene utilizes roll-in fastening processing technology fixed the excircle blank pressing, and last lathe work goes out fashioned valve clack finished product part. The valve clack sealing contact surface is turned, the precision and the balance degree are high, the wear resistance and the sealing performance of the valve clack sealing surface are greatly improved, and the service life of the valve is prolonged.

Preferably, the first and second O-

rings

7 and 13 are reinforced polytetrafluoroethylene, para-polyphenol or polychlorotrifluoroethylene. The materials of the first O-shaped ring 7 and the second O-shaped ring 13 are different temperature-resistant materials such as reinforced polytetrafluoroethylene, para-polyphenol or polychlorotrifluoroethylene according to different working condition media and process (temperature and pressure) requirements of pharmaceutical enterprises, and are suitable for all working conditions in the temperature range of-230 ℃ to 280 ℃.

The utility model discloses a tee bend antibiotic stop valve accords with the main standard of tee bend antibiotic stop valve. The execution standard design conforms to the regulation of GB/T12235, the structure length conforms to the regulation of GB/T12221-2005, the flange conforms to the regulation of JB/T79-94, and the pressure test conforms to the regulation of GB/T13927.

To sum up, the utility model discloses a tee bend antibiotic stop valve sets up direction recess 80 through the outer peripheral face at valve clack 8, and it has soft second O type circle 13 in order to cooperate with the inner chamber of valve body 10 to inlay in the direction recess 80, has the guide effect, and valve clack 8's slope when preventing the valve side dress, the use sealing performance has been guaranteed to direction valve clack 8 structure, prolongs sealed safe life.

Valve clack 8 is provided with first O type circle 7 at the inside wall with valve rod 6 connection area, first O type circle 7 can play the isolation, make valve rod 6 stretch into the position in valve clack 8's hole can not with any working medium direct contact in the valve cavity, consequently thoroughly avoided the material at valve rod 6 and the chance that 8 screw threads of valve clack department bond and be detained, therefore really realize that the inner chamber does not have the antibiotic effect of remaining, no siltation, prevent deriving, breeding of harmful bacterium in the valve body, stop the microbiological contamination condition and take place.

The three-way antibiotic stop valve of the utility model has reasonable design, no dead angle, no residue and no siltation, can effectively reduce the contamination rate in the pharmaceutical production, and provides reliable guarantee for the antibiotic aseptic production; the structure is precise, the sealing performance is good, the running, the overflowing, the dripping and the leaking are avoided, the energy consumption is saved, and favorable conditions are provided for the sanitary, environment-friendly, safe and civilized production of a workshop.

The utility model discloses a tee bend antibiotic stop valve, the material is reliable, the preparation is meticulous, durable, sealed polytetrafluoroethylene that adopts, and corrosion resisting property is strong, only needs to change seal gasket during overhaul, dismantles easily, easy maintenance, and the cost is reduced, economic benefits has been improved, accords with the product manufacturing standard regulation, and application prospect is extensive on the antibiotic operating mode.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A three-way antibiotic shut-off valve, comprising: the valve comprises a hand wheel (1), a valve cover (5), a valve rod (6), a valve clack (8) and a valve body (10); the valve cover (5) is arranged at the top of the valve body (10), the valve cover (5) and the valve body (10) are fixed together through a bolt (11) and a nut (12) in threaded connection with the bolt (11), the valve clack (8) is arranged inside the valve body (10), one end of the valve rod (6) penetrates through the valve cover (5) and extends into the valve body (10), one end of the valve rod (6) located inside the valve body (10) is connected with the valve clack (8), and the hand wheel (1) is arranged at the top end of the valve rod (6); the outer peripheral face of valve clack (8) is provided with guide groove (80), inlay in guide groove (80) have soft second O type circle (13) in order with the inner chamber cooperation of valve body (10), valve clack (8) with the inside wall of valve rod (6) connection area is provided with first O type circle (7).

2. Three-way antibiotic shut-off valve according to claim 1, characterized in that the bottom of the flap (8) is provided with a sealing ring (9).

3. The three-way antibiotic stop valve according to claim 1, further comprising a stem nut (2), a packing gland (3) and a packing (4); the packing gland (3) is arranged above the valve cover (5), the valve rod (6) penetrates through the packing gland (3), the valve rod nut (2) is arranged outside the valve rod (6), and the packing (4) is arranged between the valve cover (5), the packing gland (3) and the valve rod (6).

4. The three-way antibiotic stop valve of claim 1 wherein said guide groove (80) is a U-shaped groove.

5. The three-way antibiotic stop valve according to claim 1, wherein said first and second O-rings (7, 13) are reinforced polytetrafluoroethylene, para-polyphenol or polychlorotrifluoroethylene.