CN212028616U

CN212028616U - U-shaped sanitary diaphragm valve

Info

Publication number: CN212028616U
Application number: CN202020672983.4U
Authority: CN
Inventors: 黄光元; 金建娜
Original assignee: Wenzhou Pante Pipe Fittings Co ltd
Current assignee: Wenzhou Pante Pipe Fittings Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2020-11-27
Anticipated expiration: 2030-04-28

Abstract

The utility model discloses a U type sanitary diaphragm valve relates to diaphragm valve technical field, including U type pipe, valve body, flexible packing ring, first connection pad, second connection pad, through-hole, first flexible sealing ring, first seal groove, the flexible sealing ring of second, second seal groove, first flexible ball, the flexible ball of second, first spherical groove and the spherical groove of second, the inside first cavity that is equipped with of first flexible ball, the inside second cavity that is equipped with of the flexible ball of second. The utility model discloses can realize the quick location installation to flexible packing ring, can effectively avoid flexible packing ring to take place to warp or the displacement when installing the use, need not to finely tune, diaphragm valve erection joint convenient operation is swift, and sealed effect is good, can strengthen the deformability of first flexible ball and second flexible ball, can carry out dual spacing to flexible packing ring, can guarantee the fast assembly of flexible packing ring, guarantee the stability of flexible packing ring simultaneously, further accelerate diaphragm valve installation operation.

Description

U-shaped sanitary diaphragm valve

Technical Field

The utility model relates to a diaphragm valve technical field, more specifically say, the utility model relates to a U type sanitary diaphragm valve.

Background

The diaphragm valve is a stop valve which uses a diaphragm as an opening and closing piece to close a flow passage, cut off fluid and separate an inner cavity of a valve body from an inner cavity of a valve cover. The diaphragm is made of elastic, corrosion-resistant and impermeable materials such as rubber and plastics. The valve body is made of multipurpose plastic, glass fiber reinforced plastic, ceramic or metal lining rubber material. The U-shaped sanitary diaphragm valve is widely applied to: fermentation tank, preparation tank, filling machine, freeze drying equipment, sterile filter, water production equipment, PW and WFI conveying and distributing sterile ultrafilter, sterile fluid conveying and CIP, SIP and other pharmaceutical, food and beverage, fluid equipment, cosmetics, wine brewing, light chemical industry and the like.

The existing U-shaped sanitary diaphragm valve can use a rubber gasket when being installed and used, but the rubber gasket is easy to deform and displace when being installed and used, repeated fine adjustment operation is needed, and the U-shaped sanitary diaphragm valve is complex to install and easy to leak.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a U type sanitary diaphragm valve, the utility model aims to solve the problem be: how to improve the convenient degree of installation of U type sanitary diaphragm valve, avoid taking place to leak simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: a U-shaped sanitary diaphragm valve comprises a U-shaped pipe, a valve body and a plurality of flexible gaskets, wherein one end of the valve body is communicated with the bottom of the U-shaped pipe, first connecting discs are arranged at two ends of the top of the outer wall of the U-shaped pipe, a second connecting disc is arranged at one end, away from the U-shaped pipe, of the outer wall of the valve body, a through hole is formed in the top of the flexible gasket, a first flexible sealing ring is arranged on the outer wall of the flexible gasket, outside the through hole, a first sealing groove matched with the first flexible sealing ring is formed in the outer wall of the first connecting disc and the outer wall of the second connecting disc, a second flexible sealing ring is arranged on the outer wall of the flexible gasket, outside the first flexible sealing ring, a plurality of first flexible balls and a plurality of second flexible balls are arranged between the outer wall of the flexible gasket and the second flexible sealing ring, the first connecting disc with the second connecting disc outer wall all be equipped with the first spherical groove that first flexible ball matches, first connecting disc with the second connecting disc outer wall all be equipped with the second spherical groove that the flexible ball of second matches, first flexible ball inside is equipped with first cavity, the inside second cavity that is equipped with of flexible ball of second.

In a preferred embodiment, the valve body comprises a base and a hand wheel, and the hand wheel is rotatably arranged above the base.

In a preferred embodiment, the first flexible sealing ring has a thickness greater than the thickness of the flexible gasket.

In a preferred embodiment, the first flexible sealing ring and the second flexible sealing ring are of equal thickness.

In a preferred embodiment, the first flexible ball and the second flexible ball are distributed on the outer wall of the flexible gasket in a ring shape, and the second flexible ball is arranged between the first flexible ball and the second flexible sealing ring.

In a preferred embodiment, the inner diameter of the first cavity is greater than one third of the outer diameter of the first flexible ball and the inner diameter of the first cavity is less than one half of the outer diameter of the first flexible ball.

In a preferred embodiment, the inner diameter of the second cavity is greater than one third of the outer diameter of the second flexible ball and the inner diameter of the second cavity is less than one half of the outer diameter of the second flexible ball.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up flexible packing ring, first connection pad, second connection pad, first flexible sealing ring, second flexible sealing ring, first seal groove, second seal groove, first flexible ball, second flexible ball, first spherical groove and second spherical groove, can realize the quick location installation to the flexible packing ring, can effectively avoid the flexible packing ring to take place to warp or the displacement when installing the use, need not to finely tune, diaphragm valve erection joint convenient operation is swift, and sealed effect is good;

2. the utility model discloses a set up first cavity and second cavity, can strengthen the deformability of first flexible ball and the flexible ball of second, can carry out dual spacing to flexible packing ring, can guarantee the fast assembly of flexible packing ring, guarantee the stability of flexible packing ring simultaneously, further accelerate diaphragm valve installation operation.

Drawings

Fig. 1 is a partial front sectional view of the whole of the present invention.

Fig. 2 is an enlarged schematic view of a point a in fig. 1 according to the present invention.

Fig. 3 is a front sectional view of the flexible gasket of the present invention.

Fig. 4 is a bottom view of the flexible gasket of fig. 3 according to the present invention.

Fig. 5 is an overall front view of the present invention.

The reference signs are: the sealing device comprises a U-shaped pipe 1, a valve body 2, a flexible gasket 3, a first connecting disc 4, a second connecting disc 5, a through hole 6, a first flexible sealing ring 7, a second flexible sealing ring 8, a first sealing groove 9, a second sealing groove 10, a first flexible ball 11, a second flexible ball 12, a first spherical groove 13, a second spherical groove 14, a first cavity 15, a second cavity 16, a base 17 and a hand wheel 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-5, the U-shaped sanitary diaphragm valve comprises a U-shaped tube 1, a valve body 2 and a plurality of flexible gaskets 3, wherein one end of the valve body 2 is communicated with the bottom of the U-shaped tube 1, both ends of the top of the outer wall of the U-shaped tube 1 are provided with first connecting discs 4, one end of the outer wall of the valve body 2, which is far away from the U-shaped tube 1, is provided with a second connecting disc 5, the top of the flexible gasket 3 is provided with a through hole 6, the outer wall of the flexible gasket 3, which is located outside the through hole 6, is provided with a first flexible sealing ring 7, the outer walls of the first connecting disc 4 and the second connecting disc 5 are provided with first sealing grooves 9 matched with the first flexible sealing ring 7, the outer wall of the flexible gasket 3, which is located outside the first flexible sealing ring 7, the outer walls of the first connecting disc 4 and the second connecting disc 5 are provided with, a plurality of first flexible balls 11 and second flexible balls 12 are arranged on the outer wall of the flexible gasket 3 between the first flexible sealing ring 7 and the second flexible sealing ring 8, first spherical grooves 13 matched with the first flexible balls 11 are formed in the outer walls of the first connecting disc 4 and the second connecting disc 5, and second spherical grooves 14 matched with the second flexible balls 12 are formed in the outer walls of the first connecting disc 4 and the second connecting disc 5;

the valve body 2 comprises a base 17 and a hand wheel 18, the hand wheel 18 is rotatably arranged above the base 17, the base 17 supports the valve body 2, and the opening degree of the valve body 2 can be adjusted by using the hand wheel 18;

the thickness of the first flexible sealing ring 7 is larger than that of the flexible gasket 3, so that the sealing effect on the diaphragm valve can be enhanced on the premise of not influencing the normal installation of the device;

the thicknesses of the first flexible sealing ring 7 and the second flexible sealing ring 8 are equal, so that the sealing effect is ensured;

first flexible ball 11 with the flexible ball 12 of second all be the annular distribution in 3 outer walls of flexible packing ring, just the flexible ball 12 of second is located first flexible ball 11 with between the flexible sealing ring 8 of second, the installation location effect of flexible packing ring 3 can effectively be strengthened to the flexible ball 11 of annular distribution and the flexible ball 12 of second, and the overall stability of flexible packing ring 3 can be guaranteed in the inlayer and the ectonexine distribution.

The implementation mode is specifically as follows: when in use, by arranging the flexible gasket 3, the first connecting disc 4, the second connecting disc 5, the first flexible sealing ring 7, the second flexible sealing ring 8, the first sealing groove 9, the second sealing groove 10, the first flexible ball 11, the second flexible ball 12, the first spherical groove 13 and the second spherical groove 14, before the diaphragm valve is installed, the flexible gasket 3 is assembled on the first connecting disc 4 and the second connecting disc 5, the first flexible sealing ring 7 is aligned with the first sealing groove 9, the second flexible sealing ring 8 is aligned with the second sealing groove 10, the first flexible ball 11 is aligned with the first spherical groove 13, the second flexible ball 12 is aligned with the second spherical groove 14, the flexible gasket 3 is pressed towards the first connecting disc 4 or the second connecting disc 5, the first flexible sealing ring 7 is inserted into the first sealing groove 9, the second flexible sealing ring 8 is inserted into the second sealing groove 10, the first flexible ball 11 is inserted into the inner side of the first spherical groove 13, the second flexible ball 12 is inserted into the inner side of the second spherical groove 14, the flexible gasket 3 can be quickly assembled with the first connecting disc 4 or the second connecting disc 5, the operation is convenient and quick, the first flexible sealing ring 7 and the second flexible sealing ring 8 can enhance the sealing effect of the flexible gasket 3, the first flexible ball 11 and the second flexible ball 12 can realize quick positioning and installation on the flexible gasket 3, the flexible gasket 3 can be effectively prevented from deforming or displacing during installation and use, fine adjustment is not needed, the diaphragm valve is convenient and quick to install and connect, and the sealing effect is good; this embodiment has specifically solved current U type health diaphragm valve among the background art, all can use the rubber packing ring when the installation uses, but the rubber packing ring takes place to warp and the displacement easily when the installation uses, need carry out the fine setting operation repeatedly, and U type health diaphragm valve installation is comparatively loaded down with trivial details, takes place the problem of leaking easily.

1-4, further comprising a first cavity 15 disposed inside said first flexible ball 11, and a second cavity 16 disposed inside said second flexible ball 12;

the inner diameter of the first cavity 15 is greater than one third of the outer diameter of the first flexible ball 11, and the inner diameter of the first cavity 15 is less than one half of the outer diameter of the first flexible ball 11, so that the strength of the first flexible ball 11 can be enhanced while the deformability of the first flexible ball 11 is ensured, and the first flexible ball 11 can automatically rebound after entering the first spherical groove 13 to fill the first spherical groove 13;

the inner diameter of the second cavity 16 is greater than one third of the outer diameter of the second flexible ball 12, and the inner diameter of the second cavity 16 is less than one half of the outer diameter of the second flexible ball 12, so that the strength of the second flexible ball 12 can be enhanced while the deformability of the second flexible ball 12 is ensured, and the second flexible ball 12 can automatically rebound after entering the interior of the second spherical groove 14 to fill the second spherical groove 14.

The implementation mode is specifically as follows: through setting up first cavity 15 and second cavity 16, first cavity 15 can strengthen the deformability of first flexible ball 11, can guarantee that first flexible ball 11 can insert first spherical groove 13 inside extrusion deformation, and kick-back after inserting first spherical groove 13 inside, can carry on spacingly to flexible gasket 3, second cavity 16 can strengthen the deformability of second flexible ball 12, can guarantee that second flexible ball 12 can insert inside second spherical groove 14 after extrusion deformation, and kick-back after inserting inside second spherical groove 14, can carry out spacing once more to flexible gasket 3, can guarantee the fast assembly of flexible gasket 3, guarantee the stability of flexible gasket 3 simultaneously, further accelerate diaphragm valve installation operation.

The utility model discloses the theory of operation:

referring to the attached drawings 1-5 of the specification, by arranging the flexible gasket 3, the first connecting disc 4, the second connecting disc 5, the first flexible sealing ring 7, the second flexible sealing ring 8, the first sealing groove 9, the second sealing groove 10, the first flexible ball 11, the second flexible ball 12, the first spherical groove 13 and the second spherical groove 14, the flexible gasket 3 can be quickly positioned and installed, the flexible gasket 3 can be effectively prevented from deforming or displacing during installation and use, fine adjustment is not needed, the diaphragm valve is convenient and quick to install and connect, and the sealing effect is good;

further, referring to fig. 1-4 of the specification, by providing the first cavity 15 and the second cavity 16, the deformability of the first flexible ball 11 and the second flexible ball 12 can be enhanced, the flexible gasket 3 can be limited doubly, the quick assembly of the flexible gasket 3 can be ensured, the stability of the flexible gasket 3 can be ensured, and the installation operation of the diaphragm valve can be further accelerated.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a U type sanitary diaphragm valve, includes U type pipe (1), valve body (2) and a plurality of flexible packing ring (3), its characterized in that: one end of the valve body (2) is communicated with the bottom of the U-shaped pipe (1), the two ends of the top of the outer wall of the U-shaped pipe (1) are respectively provided with a first connecting disc (4), one end of the outer wall of the valve body (2), which is far away from the U-shaped pipe (1), is provided with a second connecting disc (5), the top of the flexible gasket (3) is provided with a through hole (6), the outer wall of the flexible gasket (3) is provided with a first flexible sealing ring (7) outside the through hole (6), the outer walls of the first connecting disc (4) and the second connecting disc (5) are respectively provided with a first sealing groove (9) matched with the first flexible sealing ring (7), the outer wall of the flexible gasket (3) is provided with a second flexible sealing ring (8) outside the first flexible sealing ring (7), the outer walls of the first connecting disc (4) and the second connecting disc (5) are respectively provided with a second sealing groove (10) matched with, flexible packing ring (3) outer wall in first flexible sealing ring (7) with be equipped with the first flexible ball of a plurality of (11) and second flexible ball (12) between the flexible sealing ring of second (8), first connection pad (4) with second connection pad (5) outer wall all be equipped with first flexible ball (11) assorted first spherical groove (13), first connection pad (4) with second connection pad (5) outer wall all be equipped with second flexible ball (12) assorted second spherical groove (14), first flexible ball (11) inside is equipped with first cavity (15), second flexible ball (12) inside is equipped with second cavity (16).

2. A U-shaped sanitary diaphragm valve according to claim 1, wherein: the valve body (2) comprises a base (17) and a hand wheel (18), wherein the hand wheel (18) is rotatably arranged above the base (17).

3. A U-shaped sanitary diaphragm valve according to claim 1, wherein: the thickness of the first flexible sealing ring (7) is greater than the thickness of the flexible gasket (3).

4. A U-shaped sanitary diaphragm valve according to claim 1, wherein: the first flexible sealing ring (7) and the second flexible sealing ring (8) are equal in thickness.

5. A U-shaped sanitary diaphragm valve according to claim 1, wherein: the first flexible ball (11) and the second flexible ball (12) are distributed on the outer wall of the flexible gasket (3) in an annular mode, and the second flexible ball (12) is arranged between the first flexible ball (11) and the second flexible sealing ring (8).

6. A U-shaped sanitary diaphragm valve according to claim 1, wherein: the inner diameter of the first cavity (15) is larger than one third of the outer diameter of the first flexible ball (11), and the inner diameter of the first cavity (15) is smaller than one half of the outer diameter of the first flexible ball (11).

7. A U-shaped sanitary diaphragm valve according to claim 1, wherein: the inner diameter of the second cavity (16) is larger than one third of the outer diameter of the second flexible ball (12), and the inner diameter of the second cavity (16) is smaller than one half of the outer diameter of the second flexible ball (12).