CN215514881U

CN215514881U - Butterfly valve for container liquid bag

Info

Publication number: CN215514881U
Application number: CN202120821173.5U
Authority: CN
Inventors: 马文波
Original assignee: Qingdao Langfu Technology Co Ltd
Current assignee: Qingdao Langfu Technology Co Ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2022-01-14
Anticipated expiration: 2031-04-23

Abstract

The utility model relates to a butterfly valve for a container liquid bag, which belongs to the technical field of liquid bag valve bodies, and the technical scheme of the butterfly valve comprises an installation flange arranged on a bag body, a shell fixedly connected with the installation flange and a valve core arranged in the shell, wherein the upper surface of the installation flange is fixedly provided with at least three installation studs which are circumferentially distributed around the axis of the installation flange; the lower end of the shell is fixedly provided with a mounting disc, the mounting disc is provided with a plurality of mounting holes capable of penetrating through the mounting studs, and the mounting holes correspond to the mounting studs one to one; the upper part of the mounting flange is provided with a positioning table which is used for being sleeved with the opening of the bag body, and the lower part of the mounting disc is provided with a positioning groove for accommodating the positioning table; the upper surface of the mounting flange is provided with a plurality of annular bulges, the lower surface of the mounting disc is provided with a plurality of annular grooves for accommodating the annular bulges, and the bag body is pressed and fixed between the mounting flange and the positioning disc; the bag is convenient to install, can be well connected and sealed with the bag body, and is not easy to leak.

Description

Butterfly valve for container liquid bag

Technical Field

The utility model relates to the technical field of liquid bag valve bodies, in particular to a butterfly valve for a container liquid bag.

Background

The container liquid bag is a liquid transport means commonly used, has seted up on the bag body and has annotated the liquid hole, annotates the liquid hole department and is provided with the valve body that is used for controlling the liquid break-make, and the butterfly valve is one of them common valve body, its simple structure, convenient to use.

The structure of the existing butterfly valve for the container liquid bag can refer to the Chinese utility model patent document with the authorization publication number of CN210661400U, and discloses an adjustable butterfly valve for the container liquid bag, which comprises a flange plate used for fixing on the liquid bag, a valve seat integrally formed on the flange plate, a valve core arranged in the valve seat, and a handle arranged above the valve seat and used for controlling the rotation of the valve core, wherein the peripheral side of the valve core is provided with an annular groove, and an annular rubber sleeve is sleeved in the annular groove.

The existing butterfly valve for the container liquid bag is fixedly arranged at an opening of a bag body of the container liquid bag through a flange structure, and the bag body is fixedly connected with the flange mainly through bonding or heat seal processing; after long-time use, under the effect of external force, the junction of the bag body and the flange easily cracks or tears, and then leads to the liquid material in the bag body to produce from butterfly valve mounted position easily and reveal.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a butterfly valve for a container liquid bag, which is convenient to install, can be well connected and sealed with a bag body, and is not easy to leak.

The technical purpose of the utility model is realized by the following technical scheme: a butterfly valve for a container liquid bag comprises a mounting flange arranged on a bag body, a shell fixedly connected with the mounting flange and a valve core arranged in the shell, wherein a mounting disc is fixed to the lower end of the shell on the upper surface of the mounting flange, a plurality of mounting studs capable of penetrating through the shell and mounting the mounting flange are arranged on the mounting disc, and the mounting studs are circumferentially distributed around the axis of the mounting flange; the mounting holes of the studs correspond to the mounting studs one to one; the upper part of the mounting flange is provided with a positioning table which is used for being sleeved with an opening of the bag body, and the lower part of the mounting plate is provided with a positioning groove for accommodating the positioning table; the upper surface of mounting flange is provided with a plurality of ring type arch, a plurality of ring type recess that is used for holding the ring type arch has been seted up to the lower surface of mounting disc, and the bag body is pressed admittedly between mounting flange and positioning disk.

According to the technical scheme, when the butterfly valve for the container liquid bag is installed on the bag body, the installation flange is installed inside the bag body, and the positioning table penetrates out of the opening of the bag body; the positioning stud axially penetrates through the bag body; the mounting disc is matched with the mounting stud through the mounting hole and is mounted outside the bag body at the mounting flange; the shell is fixed at the opening of the bag body by using the nut meshed with the mounting stud, and the bag body is pressed between the mounting flange and the mounting disc; through set up the annular groove at mounting flange upper surface, set up the annular groove that agrees with the annular bulge at the lower surface of mounting disc, and then can be better compress tightly sealed the bag body, the bag body is in butterfly valve mounted position department the possibility of taking place the liquid material seepage.

Preferably, the edge of the upper end of the positioning table is provided with an insertion chamfer.

Through the technical scheme, the insertion chamfer is arranged at the edge of the upper end of the positioning table, so that the positioning table is conveniently inserted into the positioning groove when the shell and the mounting flange are installed and operated, and the operation is more convenient.

Preferably, the cross section of the annular bulge is trapezoidal.

Through the technical scheme, the direction of the pre-tightening force between the mounting disc and the mounting flange is perpendicular to the end face of the mounting flange; through setting up the bellied cross sectional shape of annular into trapezoidally, and then through the protruding cooperation with the annular recess of annular, can play the better effect that compresses tightly to the bag body of the protruding department of annular, use the bag body difficult production between mounting disc and mounting flange to remove to can be better connect sealed.

Preferably, a sealing end cover for sealing the upper end opening of the shell is arranged at the upper end opening of the shell, and the sealing end cover is detachably connected with the shell.

Through above-mentioned technical scheme, through setting up end cover, and then when transporting container liquid bag, seal casing upper end opening through end cover, and then improved sealed reliability.

Preferably, the outer peripheral surface of the sealing end cover is provided with a connecting external thread; and a connecting internal thread meshed with the connecting external thread is arranged on the inner peripheral wall of the upper end opening of the shell.

Through above-mentioned technical scheme, end cover is through connecting the external screw thread and being connected the internal screw thread cooperation, and then installs at casing upper end opening part, seals casing upper end opening, and the installation is convenient with the dismantlement, and is sealed respond well.

Preferably, the upper part of the sealing end cover is provided with an operation groove, and a knob arranged along the radial direction of the sealing end cover is arranged in the operation groove.

According to the technical scheme, the operation groove is formed in the upper portion of the sealing end cover, the knob is arranged in the operation groove in the radial direction of the sealing end cover, and the sealing end cover is convenient to rotate through the knob; and the adoption of the concave arrangement occupies small space.

Preferably, an operating handle for rotating the valve core is arranged on the outer peripheral surface of the housing.

Through above-mentioned technical scheme, set up operating handle through the outer peripheral face at the casing, and then rotate the case through operating handle, conveniently open and the closed operation to the butterfly valve.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

Fig. 1 is a schematic structural diagram of a butterfly valve for a container liquid bag.

Fig. 2 is a cross-sectional view of a butterfly valve for a container liquid bag.

Fig. 3 is a schematic structural view of the end cap.

FIG. 4 is a schematic structural view embodying a mounting flange.

Fig. 5 is a schematic view showing the structure of the mounting plate.

Fig. 6 is a partially enlarged view of a in fig. 2.

1, mounting a flange; 11. a positioning table; 111. inserting a chamfer; 12. a ring-shaped bulge; 2. a housing; 3. a valve core; 4. mounting a disc; 41. mounting holes; 42. positioning a groove; 43. a ring-shaped groove; 5. mounting a stud; 6. sealing the end cap; 61. connecting external threads; 62. an operation slot; 63. a knob; 7. a handle is operated.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example (b):

a butterfly valve for a container liquid bag, hereinafter referred to as a butterfly valve for short, refers to fig. 1 and 2, and comprises a mounting flange 1, a shell 2 and a valve core 3 arranged in the shell 2, wherein the mounting flange 1 and the shell 2 are detachably mounted at an opening position of a bag body. An operation handle 7 for rotating the valve element 3 is provided on the outer peripheral surface of the housing 2, and the butterfly valve is opened or closed by rotating the operation handle 7.

Referring to fig. 1 to 3, a sealing end cover 6 for closing the upper end opening of the housing 2 is provided at the upper end opening position of the housing 2. The outer peripheral surface of the sealing end cover 6 is provided with a connecting external thread 61; an inner peripheral wall of the upper end opening of the housing 2 is provided with a connecting inner thread engaged with the connecting outer thread 61. The upper part of the sealing end cover 6 is provided with an operation groove 62, and a knob 63 arranged along the radial direction of the sealing end cover 6 is arranged in the operation groove 62. When the container liquid bag is transported, the opening at the upper end of the shell 2 is sealed by the sealing end cover 6, and the sealing reliability is further improved during transportation. The sealing end cover 6 is installed at the opening of the shell 2 through threaded connection, and an operation groove 62 and a knob 63 are arranged on the upper portion of the sealing end cover 6, so that the sealing end cover 6 is convenient to rotate and operate, and the sealing end cover 6 is more convenient to install and detach.

Referring to fig. 2, 4 and 5, at least three mounting studs 5 are fixed to the upper surface of the mounting flange 1, and the mounting studs 5 are circumferentially distributed around the axis of the mounting flange 1. The lower end of the shell 2 is fixed with a mounting disc 4, the mounting disc 4 is provided with a plurality of mounting holes 41 capable of penetrating through the mounting studs 5, and the mounting holes 41 correspond to the mounting studs 5 one by one. The upper portion of the mounting flange 1 is provided with a positioning table 11 which is used for being sleeved with an opening of the bag body, and the lower portion of the mounting disk 4 is provided with a positioning groove 42 which is used for accommodating the positioning table 11. When the butterfly valve is installed, the installation flange 1 is arranged in the bag body, the positioning table 11 on the installation flange 1 protrudes out of the opening of the bag body, the bag body is provided with a plurality of connecting holes used for being matched with the installation studs 5, and the installation studs 5 penetrate through the connecting holes. The positioning table 11 is inserted into the positioning groove 42 of the mounting plate 4, and each mounting stud 5 passes through the mounting plate 4 from the corresponding mounting hole 41. The housing 2 is secured to the bag opening by compressing the bag between the mounting flange 1 and the mounting plate 4 by using mounting nuts that engage the mounting studs 5. The edge of the upper end of the positioning table 11 is provided with an insertion chamfer 111, so that the positioning table 11 can be conveniently inserted into the positioning groove 42, and the installation of the shell 2 is more convenient.

Referring to fig. 4 to 6, the upper surface of the mounting flange 1 is provided with a plurality of annular protrusions 12, the lower surface of the mounting plate 4 is provided with a plurality of annular grooves 43 for accommodating the annular protrusions 12, and the cross section of each annular protrusion 12 is trapezoidal. The direction of the pre-tightening force between the mounting disk 4 and the mounting flange 1 is perpendicular to the end face of the mounting flange 1. Through setting up the cross sectional shape of annular arch 12 to trapezoidal, and then through the cooperation of annular arch 12 with annular recess 43, can play the better effect that compresses tightly to the bag body of annular arch 12 department, make the bag body be difficult for producing between mounting disc 4 and mounting flange 1 and remove to can be better connect sealed.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for the purpose of illustration and is not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims

1. The utility model provides a butterfly valve for container liquid bag, is including locating mounting flange (1) on the bag body, with mounting flange (1) fixed connection's casing (2) and set up case (3) inside casing (2), its characterized in that: at least three mounting studs (5) are fixed on the upper surface of the mounting flange (1), and the mounting studs (5) are circumferentially distributed around the axis of the mounting flange (1); a mounting disc (4) is fixed at the lower end of the shell (2), a plurality of mounting holes (41) capable of penetrating through the mounting studs (5) are formed in the mounting disc (4), and the mounting holes (41) correspond to the mounting studs (5) one by one; a positioning table (11) which is used for being sleeved with an opening of the bag body is arranged at the upper part of the mounting flange (1), and a positioning groove (42) for accommodating the positioning table (11) is formed at the lower part of the mounting disc (4); the upper surface of mounting flange (1) is provided with the protruding (12) of a plurality of ring type, a plurality of ring type recess (43) that are used for holding the protruding (12) of ring type are seted up to the lower surface of mounting disc (4), and the bag body is pressed admittedly between mounting flange (1) and positioning disk.

2. A butterfly valve for a container liquid bag according to claim 1, characterized in that: the edge of the upper end of the positioning table (11) is provided with an insertion chamfer (111).

3. A butterfly valve for a container liquid bag according to claim 1, characterized in that: the cross section of the annular bulge (12) is trapezoidal.

4. A butterfly valve for a container liquid bag according to claim 1, characterized in that: the upper end opening position department of casing (2) is provided with and is used for carrying out confined end cover (6) to casing (2) upper end opening, end cover (6) can be dismantled with casing (2) and be connected.

5. A butterfly valve for a container liquid bag according to claim 4, characterized in that: the outer peripheral surface of the sealing end cover (6) is provided with a connecting external thread (61); and a connecting internal thread meshed with the connecting external thread (61) is arranged on the inner peripheral wall of the upper end opening of the shell (2).

6. A butterfly valve for a container liquid bag according to claim 4, characterized in that: the upper portion of end cover (6) is provided with operation groove (62), be provided with in operation groove (62) along the radial knob (63) that sets up of end cover (6).

7. A butterfly valve for a liquid bag for containers, according to any one of claims 1 to 6, characterized in that: an operating handle (7) for rotating the valve core (3) is arranged on the peripheral surface of the shell (2).