CN218356825U

CN218356825U - Liquid shunt switch device

Info

Publication number: CN218356825U
Application number: CN202123393100.XU
Authority: CN
Inventors: 徐勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2023-01-24
Anticipated expiration: 2031-12-30

Abstract

The utility model provides a liquid shunting switch device, which relates to the technical field of medical treatment, and comprises a module main body and a plunger mechanism, wherein a main liquid supply pipeline, a liquid using branch pipeline and a column hole are arranged in the module main body, the liquid using branch pipeline comprises a liquid using branch inlet pipe and a liquid using branch outlet pipe, the plunger mechanism comprises a column body which can extend into the column hole, and the top of the column body is connected with a clamping component; the clamping component comprises a clamping disc with a notch, a limiting groove is arranged in the clamping disc, and the notch of the limiting groove is communicated with the notch; the module main body is further provided with a limiting piece in an outward extending mode, the clamping component can be completely inserted into the column hole downwards and can rotate to a position below the limiting piece, and therefore the column body cannot be separated out due to the pressure of liquid of the liquid supply main pipeline; the clamping component can upwards rotate and be pulled out from the limiting sheet, and the limiting sheet can be rotatably inserted into the limiting groove, so that the column body cannot continuously fall out or be sucked inwards due to the pressure in the module main body.

Description

Liquid shunt switch device

Technical Field

The utility model relates to a medical field's technical field particularly, relates to a liquid flow distribution switch device.

Background

In the field of medical equipment, some common liquid flowing equipment needs to switch different states through a shunt switch to adapt to different applications, such as a concentrated dialysate supply system for supplying dialysate or concentrated dialysate to a dialysis machine, which is to deliver prepared liquid to each dialysis machine and suck the liquid by a pipette of the dialysis machine for dialysis treatment.

The prior patent No. CN202022027467.9, a liquid shunting device, screws the plunger inwards, forms a passage with the inlet and outlet of the liquid branch pipeline, can realize liquid circulation, and disconnects the flow of the liquid branch pipeline and the liquid supply main pipeline; the plunger is screwed out outwards, the liquid supply main pipeline normally supplies liquid to the liquid using branch pipeline, and the inlet of the liquid using branch pipeline is sealed, so that air of the liquid using branch pipeline cannot enter the lower outlet of the liquid using branch pipeline or the liquid supply main pipeline, and liquid of the main pipeline cannot flow out from the inlet at the upper end of the branch pipeline.

The prior art has certain defects:

firstly: the lifting of the plunger is completed by rotating the threads, the screw rotation can be performed for a plurality of turns to reach the required position, the operation is complicated and time-consuming, in addition, the position is suitable due to the number of the screws without clear limitation, the number of turns of screwing is possibly reduced, the working state is not correct, the plunger can fall out due to the fact that the number of the screws is increased, and the operation cannot be performed intuitively;

secondly, the method comprises the following steps: the inner diameter of the cylindrical inner wall of the module where the plunger is located is variable, particularly the inner diameter of the enlarged part is large, the processing difficulty is high, and the precision is difficult to ensure;

thirdly, the steps of: the edge of the groove of the inner diameter expansion part cannot be smooth due to processing reasons, and the plunger sealing ring is easily cut by the edge of the groove of the tax in the up-and-down moving process, so the service life is short;

in view of the above, it is necessary to design a more reasonable liquid diversion switch device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid shunting switch device for realize operating more portably and the higher switching device of precision.

The utility model discloses a following technical scheme realizes: comprises a module main body and a plunger mechanism, wherein a main liquid supply pipeline, a branch liquid using pipeline and a column hole are arranged in the module main body, the branch liquid using pipeline comprises a branch liquid using inlet pipe and a branch liquid using outlet pipe,

the plunger mechanism comprises a cylinder body which can extend into the cylinder hole, and the top of the cylinder body is connected with a clamping component; the clamping assembly comprises a clamping disc with a notch, a limiting groove is arranged in the clamping disc, and the notch of the limiting groove is communicated with the notch;

the module main body is provided with a limiting piece in an outward extending mode, the clamping component can be inserted into the column hole completely and downwards and rotates to a position below the limiting piece, so that the column body cannot be separated due to the pressure of liquid in the liquid supply main pipeline, in the state, the liquid using branch inlet pipe is communicated with the liquid using branch outlet pipe, and the liquid using branch outlet pipe is separated from the liquid supply main pipeline;

the clamping component can be upwards rotated and pulled out from the limiting piece, the limiting piece can be rotatably inserted into the limiting groove, so that the cylinder cannot be continuously outwards disengaged or inwards sucked due to the pressure inside the module cylinder, in this state, the liquid supply main pipeline is communicated with the liquid using branch outlet pipe, and the liquid using branch inlet pipe is separated from the liquid using branch outlet pipe.

In order to better realize the utility model discloses, it is further, be equipped with the end cap on the branch exit tube with liquid, still be equipped with the spring on the end cap, the spring free end orientation the export with the branch exit tube of liquid.

In order to better realize the utility model discloses, it is further, spacing piece is down "L" shape.

For better realization the utility model discloses, it is further, spacing piece with still be equipped with the mounting between the module main part.

In order to realize better the utility model discloses, it is further, the bottom of screens dish with still be equipped with the disc between the cylinder.

In order to realize better the utility model discloses, it is further, the top of screens dish still is equipped with operating handle.

In order to better realize the utility model, a first sealing ring is arranged at the bottom of the outer wall of the cylinder body, and the first sealing ring can close the communication between the main liquid supply pipeline and the liquid using branch outlet pipe; or the first sealing ring can close the communication between the liquid using branch inlet pipe and the liquid using branch outlet pipe.

In order to better realize the utility model discloses, furtherly, the middle part of cylinder outer wall is equipped with the second sealing washer, the second sealing washer is located go into the top of managing with liquid branch, the second sealing washer can be closed with liquid branch pipeline and external switch-on.

The utility model has the advantages that:

the utility model discloses a screens subassembly, this screens subassembly is including taking notched screens dish, still set up the spacing groove on this screens dish, the screens subassembly rotates downwards, make the screens dish can be to spacing piece below, thereby use liquid branch pipeline intercommunication, can be used for the cleaning and disinfection with liquid branch pipeline, the screens subassembly rotates upwards, make spacing piece can the holding in the spacing groove of screens dish, use liquid branch to go into the pipe and cut off with liquid branch exit tube, and open with liquid branch exit tube and supply the liquid main line, thereby realize supplying liquid, through setting up spacing piece, can be fine fixed move down with spacing cylinder and the position of moving up, it is more simple and convenient and accurate simultaneously to operate, can be more smooth and easy carry out the switching of different states, and the work efficiency is improved.

The utility model discloses still set up the end cap in using liquid branch exit tube, set up the spring on this end cap, make it form the joint of a similar check valve, if because of the confession liquid state that artificial or other circumstances caused, make its pressure that uses liquid branch to go out the pipe end be greater than the pressure that supplies the liquid main line, under the effect of end cap, cut off its liquid branch exit tube and supply the liquid main line with it, can prevent to pollute the liquid that supplies the liquid main line with the liquid branch exit tube that flows back to, in addition, can also reduce the extravagant emergence of unnecessary confession liquid main line, the design is more intelligent, can effectively reduce the loss, the loss of can effectively be reduced

The utility model provides a first sealing washer and second sealing washer on the cylinder reciprocate the in-process, can not contact with the border of tax, because also can further prolong liquid flow distribution switch device's life.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings that are required to be used in the present invention will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to these drawings without inventive efforts.

Fig. 1 is a schematic view of a liquid diverter switch device according to the present invention in a non-liquid supply state;

fig. 2 is a schematic view of a liquid supply state of the liquid flow dividing switch device provided by the present invention;

fig. 3 is a schematic structural diagram of the plunger mechanism provided by the present invention;

icon:

100-module body, 110-liquid supply main pipeline, 120-liquid using branch pipeline, 121-liquid using branch inlet pipe, 122-liquid using branch outlet pipe, 123-plug, 124-spring, 130-limiting sheet, 140-fixing piece, 200-plunger mechanism, 210-column, 211-first sealing ring, 212-second sealing ring, 220-clamping component, 221-clamping disk, 222-limiting groove, 223-disk and 230-handle.

Detailed Description

The technical solution of the present invention will be described below with reference to the accompanying drawings.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 3, the present invention provides a liquid diversion switch device, which has a structure as shown below 1 to 3: the module mainly comprises a module body 100 and a plunger mechanism 200, wherein a main liquid supply pipeline 110, a branch liquid using pipeline 120 and a column hole are arranged on the module body 100, the main liquid supply pipeline 110 comprises a main liquid supply inlet pipe and a main liquid supply outlet pipe, the branch liquid using pipeline 120 comprises a branch liquid using inlet pipe 121 and a branch liquid using outlet pipe 122, as shown in fig. 1 and 2, the main liquid supply pipeline 110 is arranged below the module body 100, the branch liquid using pipeline 120 is arranged on the side part of the module body 100, the branch liquid using inlet pipe 121 is arranged above the branch liquid using outlet pipe 122, the column hole is arranged in the middle of the module body 100, when the column 210 is not installed, the branch liquid using pipeline 120 and the main liquid supply pipeline 110 are communicated with the column hole, in addition, a plug 123 is installed on the branch liquid using outlet pipe 122, a spring 124 is installed on the plug 123, and the free end of the spring 124 faces to the outlet of the branch liquid using outlet pipe 122.

The plunger mechanism 200 mainly includes a cylinder 210 capable of extending into a cylinder hole, a first sealing ring 211 is provided near the outer wall of the bottom of the cylinder 210, a second sealing ring 212 is provided near the outer wall of the middle of the cylinder 210, in order to enhance the sealing effect, one or more layers of sealing rings are further designed near the second sealing ring, a clamping component 220 is connected to the top of the cylinder 210, as shown in fig. 3, the clamping component 220 includes a disk 223, the bottom of the disk 223 is connected to the cylinder 210, a clamping disk 221 with a notch is provided on the top of the disk 223, a limiting groove 222 is provided on the clamping disk 221, the notch of the limiting groove 222 faces outwards and communicates with the notch, a handle 230 is further provided on the top of the clamping disk 221 for operating the entire plunger mechanism 200, in addition, a fixing piece 130 is provided, the limiting piece 130 is in an inverted L shape, the limiting piece 130 is installed on the outer wall of the module main body 100 and is connected through the fixing piece 140, and the fixing piece 140 is preferably a bolt.

The utility model discloses a work flow as follows:

when the column 210 of the plunger mechanism 200 is installed in the column hole of the module main body 100, and in a non-liquid supply state, as shown in fig. 1, the clamping assembly 220 is rotated by the handle 230, and the column 210 is driven to move downward, so that the clamping assembly 220 can be screwed into the position-limiting sheet 130, under the action of the position-limiting sheet 130, the clamping plate 221 cannot easily move upward to play a positioning role, at this time, the first sealing ring 211 of the column 210 moves to the lower part of the nozzle of the liquid-using branch outlet pipe 122, and seals the liquid-supplying main pipe 110, so that the connection between the liquid-supplying main pipe 110 and the liquid-using branch outlet pipe 120 is isolated, and the second sealing ring 212 is located above the nozzle of the liquid-using branch inlet pipe 121, so as to prevent external air or liquid from flowing into the liquid-using branch outlet pipe 120, and also prevent the liquid in the liquid-using branch outlet pipe 120 from leaking outwards.

Taking a dialysis apparatus as an example, when it is necessary to clean and sterilize the own line of the dialysis apparatus, the liquid branch line 120 is cleaned and sterilized, and liquid enters from the liquid branch inlet pipe 121, and at this time, the pressure of the liquid branch inlet pipe 121 is higher than the pressure of the liquid branch outlet pipe 122, so that the spring 124 of the liquid branch outlet pipe 122 can apply a certain pressure to separate the plug 123 from the nozzle of the liquid branch outlet pipe 122, and the liquid flows, and the spring 124 and the plug 123 form a one-way valve, so that if there is no pressure difference between the liquid branch inlet pipe 121 and the liquid branch outlet pipe 122, there is no liquid flow in the liquid branch line 120, and the plug 123 blocks the nozzle of the liquid branch outlet pipe 122, and prevents the liquid of the liquid branch outlet pipe 122 from flowing back into other lines.

Taking the dialysis apparatus as an example, in the liquid supply state, as shown in fig. 2, the handle 230 rotates the position-locking component 220, the position-locking disk 221 rotates upward, the column 210 is upward, and the top of the position-locking disk 221 is separated from the position-locking piece 130, during the rotation, the position-locking disk 221 is further rotated, so that the position-locking piece 130 can rotate into the position-locking groove 222 of the position-locking disk 221, at this time, most of the column 210 is accommodated in the column hole, the first sealing ring 211 at the bottom of the column 210 is disposed above the nozzle of the liquid branch outlet pipe 122, the communication between the liquid branch inlet pipe 121 and the liquid branch outlet pipe 122 is blocked, the connection between the liquid branch outlet pipe 122 and the liquid supply main pipe 110 is opened, and the pressure of the liquid supply main pipe 110 is greater than the pressure of the liquid branch outlet pipe 122, so that normal liquid supply is performed.

The utility model discloses in relate to the end cap 123 of taking spring 124, can play the effect of check valve, when because certain maloperation, perhaps forget to close when supplying liquid main line 110, make it be in and supply the liquid state always, the pressure of using liquid branch exit tube 122 end will be greater than the pressure that supplies liquid main line 110 this moment, make its end cap 123 plug up with liquid branch 120 mouth of pipe, avoid the liquid refluence return who uses liquid branch exit tube 122 to supply the condition of liquid main line 110, the contaminated condition of liquid takes place in the reduction supplies liquid main line 110.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A liquid diversion switch device comprises a module main body (100) and a plunger mechanism (200), wherein a liquid supply main pipeline (110), a liquid using branch pipeline (120) and a column hole are arranged in the module main body (100), the liquid using branch pipeline (120) comprises a liquid using branch inlet pipe (121) and a liquid using branch outlet pipe (122), and the liquid diversion switch device is characterized in that,

the plunger mechanism (200) comprises a cylinder (210) which can extend into the cylinder hole, and the top of the cylinder (210) is connected with a clamping component (220); the clamping assembly (220) comprises a clamping disc (221) with a notch, a limiting groove (222) is arranged in the clamping disc (221), and a notch of the limiting groove (222) is communicated with the notch;

the module main body (100) is further provided with a limiting sheet (130) in an outward extending mode, the clamping component (220) can be completely inserted into the column hole downwards and rotates to a position below the limiting sheet (130), and therefore the column body cannot be separated out due to the pressure of liquid in the liquid supply main pipeline (110); the clamping component (220) can be upwards rotated and pulled out from the limiting sheet (130), and the limiting sheet (130) can be inserted into the limiting groove (222), so that the column body (210) cannot be continuously outwards pulled out or inwards sucked due to the pressure in the module main body (100).

2. The liquid diversion switch device according to claim 1, wherein a plug (123) is disposed on the liquid branch outlet pipe (122), a spring (124) is further disposed on the plug (123), and a free end of the spring (124) faces an outlet of the liquid branch outlet pipe (122).

3. The liquid shunt switch device according to claim 2, wherein the stopper (130) has an inverted "L" shape.

4. The liquid shunt switch device according to claim 3, wherein a fixing member (140) is further disposed between the limiting plate (130) and the module body (100).

5. The liquid shunt switch device according to claim 1, wherein a disk (223) is further disposed between the bottom of the clamping disk (221) and the column body (210).

6. The liquid shunt switch device according to claim 1, wherein an operating handle (230) is further provided on the top of the catch tray (221).

7. A liquid diversion switch device according to any one of claims 1 to 6, wherein a first sealing ring (211) is provided at the bottom of the outer wall of said cylinder (210), said first sealing ring (211) being capable of closing the communication between said main liquid supply pipe (110) and said branch outlet pipe (122); or the first seal ring (211) can close the communication between the liquid use branch inlet pipe (121) and the liquid use branch outlet pipe (122).

8. The liquid diversion switch device according to any one of claims 1 to 6, wherein a second sealing ring (212) is provided in a middle portion of an outer wall of the column body (210), the second sealing ring (212) is provided above the liquid branch inlet pipe (121), and the second sealing ring (212) can close communication between the liquid branch line (120) and the outside.