CN209790613U

CN209790613U - Controllable three-way valve

Info

Publication number: CN209790613U
Application number: CN201822269166.XU
Authority: CN
Inventors: 何洋; 刘浩然; 陈巧霞
Original assignee: GUANGDONG BAIHE MEDICAL TECHNOLOGY Co Ltd
Current assignee: GUANGDONG BAIHE MEDICAL TECHNOLOGY Co Ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2019-12-17
Anticipated expiration: 2028-12-29

Abstract

The utility model discloses a controllable three-way valve, including the base, be equipped with on the base and hold the chamber, the base is equipped with liquid pipe, holds the intracavity and is equipped with and revolves the core, is equipped with bellied interference ring on revolving the outer peripheral face of core, leads to the liquid way the opening is established on the interference ring, the interference ring with hold chamber interference and sealing connection, thereby revolve the core and hold chamber lock joint and realize axial positioning, revolve the upper end outside of core and be equipped with the operation portion, the top at the base is established to the operation portion. The utility model discloses an interference ring with hold the chamber interference and be connected, so the interference area is less, so its resistance is little can also realize sealing, and revolve the core and hold the chamber lock joint and can avoid effectively among the prior art through revolve the core whole with hold the big technical problem of chamber interference connection realization circumference sealed with the big resistance of axial fixity. The utility model is used for medical equipment.

Description

Controllable three-way valve

Technical Field

The utility model relates to the field of medical equipment, in particular to controllable three-way valve.

Background

The disposable sterile three-way cock is used for clinical disposable use, and can change the transfusion direction, a transfusion switch, an extension pipe transfusion pipeline, a pressure monitoring pipeline and the conveying of conversion liquid medicine; however, when the medical staff uses the cock to change the transfusion direction, the cock hole can not be completely opened due to the fact that the medical staff does not have a position clamp for fixing the direction and rotates to turn by hands, and transfusion flow is affected; and when the transfusion channel is closed, the phenomenon of incomplete closing occurs, and the transfusion treatment of the patient is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: a controllable three-way valve is provided.

The utility model provides a solution of its technical problem is:

A controllable three-way valve comprises a vertically arranged base, wherein a containing cavity which is communicated up and down is arranged on the base, liquid passing pipes are arranged on the front side, the left side and the right side of the base, all the liquid passing pipes are communicated with the containing cavity, a vertically arranged cylindrical rotary core is arranged in the containing cavity, the rotary core is rotatably connected with the containing cavity, liquid passing channels which extend towards the front side, the left side and the right side respectively are arranged in the middle of a cylinder cavity of the rotary core, all the liquid passing channels are communicated with one another, and the positions of openings of the liquid passing channels on the peripheral surface of the rotary core and the openings of the liquid passing pipes on the inner wall of the containing cavity are arranged in a one-to-one; the outer peripheral surface of the rotary core is provided with a raised interference ring, the opening of the liquid passage is arranged on the interference ring, the interference ring is in interference and sealing connection with the accommodating cavity, the rotary core is buckled with the accommodating cavity so as to realize axial positioning, the outer side of the upper end of the rotary core is provided with an operating part, and the operating part is arranged above the base;

the downside terminal surface of spiral core is equipped with the joint hole, is equipped with at least three sunken joint hole on the drill way in joint hole, and is three the position and the three of joint hole the one-to-one of liquid pipe correspond the setting, hold the protruding muscle that the lower part chamber wall annular of chamber laid the vertical extension of a plurality of, hold and be equipped with the bearing board on the downside opening in chamber, the periphery wall and the protruding muscle interference of bearing board are connected, the bearing board is gone up the side and is equipped with the mount table, the cover is equipped with compression spring on the mount table, compression spring's upper end is connected with the fixture block, is equipped with a plurality of bead on the fixture block, the bead is connected with a one-to-one correspondence.

As a further improvement of the above scheme, the number of the operation parts is three, and the three operation parts are respectively arranged on the front side, the left side and the right side of the rotary core.

As the further improvement of above-mentioned scheme, hold the intracavity and be equipped with the lock ring, revolve the outer peripheral face of core and be equipped with the hook ring, the hook ring is established in the below of lock ring, and hook ring and lock ring butt each other.

As a further improvement of the scheme, the rotary core is provided with a containing ring groove, the containing ring groove is positioned above the hooking ring, and the buckling ring is arranged in the containing ring groove.

as a further improvement of the scheme, the rotary core is provided with a limiting table, and the distance from the limiting table to the upper end face of the base is smaller than the height of the accommodating ring groove.

As a further improvement of the scheme, the liquid channels on the left side and the right side are connected with the cavity wall of the cylindrical cavity of the rotary core by reinforcing ribs.

As a further improvement of the proposal, the liquid through pipe positioned at the left side and the front side is provided with an external thread.

As a further improvement of the scheme, the outer wall of the liquid through pipe on the right side is provided with a connecting convex ring, and the right side of the connecting convex ring is small while the left side of the connecting convex ring is large.

The utility model has the advantages that: when the convex edge enters and exits the clamping pit, sound and hand feeling are fed back to a nurse, so that the nurse knows whether the rotary core rotates in place or not, and the phenomenon of complete opening or incomplete closing is reduced or even avoided. The utility model is used for medical equipment.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a schematic cross-sectional left view of an embodiment of the present invention;

fig. 2 is a schematic view of a three-dimensional structure of a rotary core according to an embodiment of the present invention;

Fig. 3 is a schematic view of a three-dimensional structure of a base according to an embodiment of the present invention;

Fig. 4 is a schematic perspective view of an embodiment of the present invention.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. The utility model provides an each technical feature can the interactive combination under the prerequisite of conflict each other.

With reference to fig. 1 to 4, this is an embodiment of the invention, in particular:

a controllable three-way cock comprises a vertically arranged base 1, a containing cavity 2 which is communicated up and down is arranged on the base 1, liquid passing pipes 3 are respectively arranged on the front side, the left side and the right side of the base 1, all the liquid passing pipes 3 are communicated with the containing cavity 2, a cylindrical rotary core 4 which is vertically arranged is arranged in the containing cavity 2, the rotary core 4 is rotatably connected with the containing cavity 2, liquid passing channels 5 which respectively extend towards the front side, the left side and the right side are arranged in the middle of a cylinder cavity of the rotary core 4, all the liquid passing channels 5 are mutually communicated, and the positions of openings of the liquid passing channels 5 on the peripheral surface of the rotary core 4 correspond to the openings of the liquid passing pipes 3 on the inner wall of the containing cavity 2 in a one-to-one correspondence manner; a raised interference ring 6 is arranged on the outer peripheral surface of the rotary core 4, the opening of the liquid passage 5 is arranged on the interference ring 6, the interference ring 6 is in interference and sealing connection with the accommodating cavity 2, the rotary core 4 is buckled with the accommodating cavity 2 so as to realize axial positioning, an operating part 7 is arranged on the outer side of the upper end of the rotary core 4, and the operating part 7 is arranged above the base 1;

The downside terminal surface of spiral core 4 is equipped with joint hole 45, is equipped with at least three sunken joint hole 451 on the drill way of joint hole 45, and is three the position and the three of joint hole 451 the 3 a pair of one settings that correspond of liquid pipe that lead to, hold the protruding muscle 23 of the vertical extension of a plurality of laid in the lower part chamber wall annular of chamber 2, the downside opening that holds chamber 2 is equipped with bearing board 81, the periphery wall and the protruding muscle 23 interference of bearing board 81 are connected, bearing board 81 upside is equipped with mount table 82, the cover is equipped with pressure spring 83 on the mount table 82, pressure spring 83's upper end is connected with fixture block 84, be equipped with a plurality of bead 841 on the fixture block 84, bead 841 and joint hole 451 a pair of one-to-pair connection, be equipped with the resilience clearance between fixture block 84. The utility model discloses an interference ring with hold the chamber interference and be connected, so the interference area is less, so its resistance is little can also realize sealing, and revolve the core and hold the chamber lock joint and can avoid effectively among the prior art through revolve the core whole with hold the big technical problem of chamber interference connection realization circumference sealed with the big resistance of axial fixity. When the convex edge enters and exits the clamping pit, sound and hand feeling are fed back to a nurse, so that the nurse knows whether the rotary core rotates in place or not, and the phenomenon of complete opening or incomplete closing is reduced or even avoided.

For convenience of operation, the operation parts 7 are provided in three numbers, and the three operation parts 7 are respectively arranged on the front side, the left side and the right side of the rotary core 4.

for the axial positioning is more effective, the buckling ring 21 is arranged in the accommodating cavity 2, the hooking ring 41 is arranged on the outer peripheral surface of the rotary core 4, the hooking ring 41 is arranged below the buckling ring 21, and the hooking ring 41 is abutted to the buckling ring 21.

In order to further prevent the rotation core 4 from falling off, an accommodating ring groove 42 is arranged on the rotation core 4, the accommodating ring groove 42 is positioned above the hooking ring 41, and the buckling ring 21 is arranged in the accommodating ring groove 42.

In order to prevent the rotary core from being inserted too deeply, the rotary core 4 is provided with a limiting table 43, and the distance from the limiting table 43 to the upper end surface of the base 1 is less than the height of the accommodating ring groove 42.

in order to strengthen the liquid passage 5 and prevent the liquid passage 5 on the left and right sides from being pulled during demolding, the liquid passage 5 on the left and right sides is connected with the cavity wall of the cylindrical cavity of the rotary core 4 by a reinforcing rib 44.

In order to facilitate the connection of other medical equipment and pipelines, the liquid through tube 3 positioned on the left side and the front side is provided with external threads.

The outer wall of the liquid through pipe 3 on the right side is provided with a connecting convex ring 31, and the right side of the connecting convex ring 31 is small while the left side is large, so that the assembly and disassembly are convenient.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.

Claims

1. A controllable three-way valve, comprising: the liquid storage device comprises a vertically arranged base (1), a containing cavity (2) which is vertically communicated is formed in the base (1), the front side of the base (1), the left side and the right side are respectively provided with a liquid through pipe (3), all the liquid through pipes (3) are communicated with the containing cavity (2), a cylindrical rotary core (4) which is vertically arranged is arranged in the containing cavity (2), the rotary core (4) is rotatably connected with the containing cavity (2), the middle part of a cylinder cavity of the rotary core (4) is provided with a liquid through channel (5) which respectively extends towards the front side, the left side and the right side, all the liquid through channels (5) are mutually communicated, and the positions of openings of the liquid through channels (5) on the peripheral surface of the rotary core (4) correspond to the openings of the liquid through pipes (3) on the inner wall of the containing cavity (2) in a one-to-; the outer peripheral surface of the rotary core (4) is provided with a raised interference ring (6), the opening for leading to the liquid channel (5) is arranged on the interference ring (6), the interference ring (6) is in interference and sealing connection with the accommodating cavity (2), the rotary core (4) is buckled with the accommodating cavity (2) so as to realize axial positioning, the outer side of the upper end of the rotary core (4) is provided with an operating part (7), and the operating part (7) is arranged above the base (1);

The downside terminal surface of spiral core (4) is equipped with joint hole (45), is equipped with at least three sunken joint hole (451) on the drill way of joint hole (45), and is three the position and the three of joint hole (451) lead to liquid pipe (3) one-to-one and correspond the setting, the protruding muscle (23) of the vertical extension of a plurality of have been laid to the lower part chamber wall annular of holding chamber (2), be equipped with bearing board (81) on the downside opening that holds chamber (2), the periphery wall and protruding muscle (23) interference of bearing board (81) are connected, the side is equipped with mount table (82) on bearing board (81), the cover is equipped with pressure spring (83) on mount table (82), the upper end of pressure spring (83) is connected with fixture block (84), be equipped with a plurality of bead (841) on fixture block (84), a pair of corresponding is connected in bead (841) and joint hole (451), be equipped with the resilience clearance between fixture block (84) and mount table (.

2. a controllable three-way valve according to claim 1, characterized in that: the number of the operation parts (7) is three, and the three operation parts (7) are respectively arranged on the front side, the left side and the right side of the rotary core (4).

3. a controllable three-way valve according to claim 1, characterized in that: the containing cavity (2) is internally provided with a buckling ring (21), the peripheral surface of the rotary core (4) is provided with a hooking ring (41), the hooking ring (41) is arranged below the buckling ring (21), and the hooking ring (41) is mutually abutted against the buckling ring (21).

4. A controllable three-way valve according to claim 3, characterized in that: be equipped with on rotary core (4) and hold annular groove (42), hold annular groove (42) and be located the top of colluding ring (41), buckle ring (21) is established in holding annular groove (42).

5. A controllable three-way valve according to claim 4, characterized in that: the rotary core (4) is provided with a limiting table (43), and the distance from the limiting table (43) to the upper end face of the base (1) is smaller than the height of the accommodating ring groove (42).

6. A controllable three-way valve according to claim 1, characterized in that: the liquid channels (5) on the left side and the right side are connected with the cavity wall of the cylinder cavity of the rotary core (4) by reinforcing ribs (44).

7. A controllable three-way valve according to claim 1, characterized in that: the liquid through pipe (3) positioned on the left side and the front side is provided with an external thread.

8. A controllable three-way valve according to claim 7, characterized in that: the outer wall of the liquid through pipe (3) on the right side is provided with a connecting convex ring (31), and the right side of the connecting convex ring (31) is small while the left side is large.