CN219271784U - Precision machining temperature control mechanism for liquid medicine flow valve - Google Patents

Abstract

The utility model discloses a precision machining temperature control mechanism of a liquid medicine flow valve, which comprises a valve body, wherein a temperature adjusting cavity is formed in the valve body, liquid guide pipes extending out of two sides of the valve body are arranged in the temperature adjusting cavity, connecting joints are fixedly connected to the opposite sides of the liquid guide pipes respectively, a temperature measuring piece fixedly connected to the left side of the valve body is sleeved on the outer side of the liquid guide pipes, a display screen is arranged on the upper side of the valve body, a temperature control mechanism is arranged on the lower side of the valve body, and a flow speed adjusting mechanism fixedly connected to the right side of the valve body is arranged on the outer side of the liquid guide pipes. The precision machining temperature control mechanism of the liquid medicine flow valve not only can realize the adjustment of the flow rate of liquid medicine, but also can realize the control of the temperature of the liquid medicine, so that the use requirements under different conditions can be met.

Description

Precision machining temperature control mechanism for liquid medicine flow valve

Technical Field

The utility model relates to the technical field of medical transfusion equipment, in particular to a precision machining temperature control mechanism for a liquid medicine flow valve.

Background

When the liquid medicine is injected into a patient, namely, the liquid medicine is infused into the patient for treatment, the flow rate of the liquid medicine can be controlled through the flow valve, the traditional liquid medicine flow valve is generally arranged outside the infusion catheter, and the catheter is pressed by the pinch roller, so that the flow rate of the liquid medicine can be adjusted.

The utility model discloses a novel medical accurate flow control valve in chinese patent CN 216496849U, including inferior valve, silica gel and epitheca, the silica gel is installed on the epitheca, and the inferior valve rotates to set up on the epitheca, forms between epitheca and the inferior valve and adjusts the chamber, and the silica gel is installed and is located on the epitheca and adjusts the intracavity, its characterized in that: the novel medical precise flow regulating valve has the characteristics of good sealing effect, stable regulation and high precision. Because some infusions need to keep the liquid medicine at a low temperature, for example, when the physical temperature of frozen infusions is reduced for patients, and some infusions need to be similar to the body temperature, for example, when the infusions are carried out in winter, the liquid medicine with an excessively low temperature is input into the human body and then causes discomfort for the patients, but the regulating valve can only regulate the flow rate of the liquid medicine, and can not realize the control of the liquid medicine temperature, so the use requirements under different conditions can not be met.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the precision machining temperature control mechanism for the liquid medicine flow valve, which not only can realize the adjustment of the liquid medicine flow rate, but also can realize the control of the liquid medicine temperature, so that the precision machining temperature control mechanism can meet the use requirements under different conditions.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a liquid medicine flow valve precision finishing temperature control mechanism, includes the valve body, the temperature regulation chamber has been seted up to the inside of valve body, the inside in temperature regulation chamber is provided with the catheter that extends the valve body both sides, the opposite sides of catheter is fixedly connected with connecting joint respectively, the outside of catheter has cup jointed the temperature measurement spare of fixed connection in the valve body left side, the upside of valve body is provided with the display screen, the downside of valve body is provided with temperature control mechanism, the outside of catheter is provided with the velocity of flow adjustment mechanism on the valve body right side.

Preferably, a thermal insulation sleeve is arranged on the outer side of the valve body.

Preferably, the temperature regulating cavity is internally provided with water.

Preferably, a temperature sensor electrically connected with the display screen is arranged in the temperature measuring piece.

Preferably, the temperature control mechanism comprises a semiconductor temperature controller and a current regulating switch, and a temperature control circuit which is electrically connected and arranged inside the inner wall of the valve body is arranged between the semiconductor temperature controller and the current regulating switch.

Preferably, the flow velocity adjusting mechanism comprises a fixed disc fixedly connected to the right side of the valve body, an adjusting groove is formed in the right side face of the fixed disc, adjusting plates are respectively and slidably connected to the inside of the adjusting groove, a rotary disc slidably connected with the adjusting plates is rotationally connected to the right side of the fixed disc, arc-shaped holes are respectively formed in the rotary disc, protrusions fixedly connected with the adjusting plates are slidably connected to the inside of the arc-shaped holes, friction pads are arranged between the rotary disc and the fixed disc, and through holes matched with the liquid guide tubes are formed in the rotary disc and the inside of the fixed disc.

The beneficial effects of the utility model are as follows:

1. when the liquid medicine temperature adjusting device is used, the connection between the liquid guide tube and the liquid conveying tube of the liquid conveying device is completed through the connecting joint, so that liquid medicine can pass through the valve body through the liquid guide tube, when the liquid medicine flow rate needs to be adjusted, the rotary table can be rotated anticlockwise, the two side adjusting plates are driven to move in opposite directions under the action of the arc-shaped holes and the protrusions when the rotary table rotates, the two side adjusting plates can press the liquid guide tube, so that the liquid medicine flow rate can be adjusted, when the liquid medicine temperature needs to be adjusted, the current direction flowing through the temperature control circuit can be controlled through the current adjusting switch, and then the semiconductor temperature controller can heat or cool water in the temperature adjusting cavity, so that the temperature of the liquid medicine flowing through the temperature adjusting cavity through the liquid guide tube can be adjusted, the liquid medicine flow rate adjusting and the temperature can be controlled, and the use requirements under different conditions can be met.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a side view of the mounting plate structure assembly of the present utility model;

FIG. 3 is a side view of the turntable and stationary plate structure assembly of the present utility model.

Reference numerals in the drawings: 1. a valve body; 2. a temperature regulation chamber; 3. a catheter; 4. a connection joint; 5. a temperature measuring member; 6. a display screen; 7. a semiconductor temperature controller; 8. a current regulating switch; 9. a temperature control circuit; 10. a fixed plate; 11. an adjustment tank; 12. an adjusting plate; 13. a turntable; 14. an arc-shaped hole; 15. a protrusion; 16. a friction pad; 17. and a through hole.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance.

Example 1

The utility model provides a liquid medicine flow valve precision finishing temperature control mechanism as shown in fig. 1-3, including valve body 1, temperature regulation chamber 2 has been seted up to the inside of valve body 1, temperature regulation chamber 2's inside is provided with water, temperature regulation chamber 2's inside is provided with the catheter 3 that extends valve body 1 both sides, catheter 3's opposite side fixedly connected with junction connection 4 respectively, the temperature measurement spare 5 of fixed connection in valve body 1 left side has been cup jointed in the outside of catheter 3, the inside of temperature measurement spare 5 is provided with the temperature sensor with display screen 6 electric connection, valve body 1's upside is provided with display screen 6, the temperature of the inside liquid medicine of catheter 3 is measured through temperature sensor, and the downside that feeds back to display screen 6 and carries out real-time display valve body 1 is provided with temperature control mechanism, temperature control mechanism includes semiconductor temperature controller 7 and current regulation switch 8, semiconductor temperature controller 7 is arranged each other by a lot of N type semiconductors and P type semiconductor particles and forms, its theory of operation is: when an N-type semiconductor material and a P-type semiconductor material are connected into a couple pair, after direct current is connected in the circuit, energy transfer can be generated, and the current absorbs heat from a joint of the N-type element flowing to the P-type element to become a cold end; the joint of the P-type element and the N-type element releases heat to become a hot end, and when the current flows reversely, the joint of the N-type element and the P-type element releases heat to become a hot end; the joint that flows to N type component by P type component absorbs heat, become the cold junction, be provided with electric connection between semiconductor temperature controller 7 and the electric current regulating switch 8 and set up at the inside temperature control circuit 9 of valve body 1 inner wall, the outside of catheter 3 is provided with the velocity of flow adjustment mechanism of fixed connection on valve body 1 right side, velocity of flow adjustment mechanism includes fixed disk 10 of fixed connection on valve body 1 right side, adjustment tank 11 has been seted up to the right side of fixed disk 10, the inside of adjustment tank 11 is sliding connection respectively has regulating plate 12, the right side rotation of fixed disk 10 is connected with the carousel 13 with regulating plate 12 sliding connection, arc hole 14 has been seted up respectively to the inside of carousel 13, the inside of arc hole 14 all sliding connection have with regulating plate 12 fixed connection's arch 15, be provided with friction pad 16 between carousel 13 and the fixed disk 10, carousel 13 and the inside of fixed disk 10 all seted up the through-hole 17 with catheter 3 adaptation.

When the liquid medicine temperature adjusting device is used, the connection between the liquid guide tube 3 and the liquid conveying pipe of the liquid conveying device is completed through the connection joint 4, so that liquid medicine can pass through the valve body 1 through the liquid guide tube 3, when the liquid medicine flow rate needs to be adjusted, the rotary table 13 can be rotated anticlockwise, the two side adjusting plates 12 are driven to move in opposite directions under the cooperation of the arc-shaped holes 14 and the protrusions 15 when the rotary table 13 rotates, the two side adjusting plates 12 can press the liquid guide tube 3, the liquid medicine flow rate is adjusted, when the liquid medicine temperature needs to be adjusted, the current direction flowing through the temperature control circuit 9 is controlled through the current adjusting switch 8, and then the semiconductor temperature controller 7 can heat or cool water in the temperature adjusting cavity 2, so that the temperature adjustment of the liquid medicine flowing through the temperature adjusting cavity 2 through the liquid guide tube 3 is realized.

Example two

Referring to fig. 1, as another preferred embodiment, the difference from the first embodiment is that a thermal insulation sleeve is provided on the outer side of the valve body 1, and by providing the thermal insulation sleeve, heat exchange between the interior of the temperature adjusting cavity 2 and the external environment can be reduced, thereby playing a role of thermal insulation.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a liquid medicine flow valve precision finishing temperature control mechanism, includes valve body (1), its characterized in that: the inside of valve body (1) has seted up temperature regulation chamber (2), the inside of temperature regulation chamber (2) is provided with catheter (3) that extend valve body (1) both sides, the opposite sides of catheter (3) are fixedly connected with connecting joint (4) respectively, the outside of catheter (3) has cup jointed fixed connection in valve body (1) left temperature measurement spare (5), the upside of valve body (1) is provided with display screen (6), the downside of valve body (1) is provided with temperature control mechanism, the outside of catheter (3) is provided with the velocity of flow adjustment mechanism of fixed connection on valve body (1) right side.

2. The precision machining temperature control mechanism for a liquid medicine flow valve according to claim 1, wherein: the outside of valve body (1) is provided with the insulation cover.

3. The precision machining temperature control mechanism for a liquid medicine flow valve according to claim 1, wherein: the inside of the temperature regulating cavity (2) is provided with water.

4. The precision machining temperature control mechanism for a liquid medicine flow valve according to claim 1, wherein: the temperature measuring part (5) is internally provided with a temperature sensor electrically connected with the display screen (6).

5. The precision machining temperature control mechanism for a liquid medicine flow valve according to claim 1, wherein: the temperature control mechanism comprises a semiconductor temperature controller (7) and a current regulating switch (8), wherein a temperature control circuit (9) which is electrically connected and arranged inside the inner wall of the valve body (1) is arranged between the semiconductor temperature controller (7) and the current regulating switch (8).

6. The precision machining temperature control mechanism for a liquid medicine flow valve according to claim 1, wherein: the flow velocity adjusting mechanism comprises a fixed disc (10) fixedly connected to the right side of the valve body (1), an adjusting groove (11) is formed in the right side face of the fixed disc (10), an adjusting plate (12) is respectively and slidably connected to the inside of the adjusting groove (11), a rotary disc (13) slidably connected with the adjusting plate (12) is rotatably connected to the right side of the fixed disc (10), arc-shaped holes (14) are respectively formed in the rotary disc (13), protrusions (15) fixedly connected with the adjusting plate (12) are respectively and slidably connected to the inside of the arc-shaped holes (14), friction pads (16) are arranged between the rotary disc (13) and the fixed disc (10), and through holes (17) matched with the liquid guide tubes (3) are formed in the rotary disc (13) and the inside of the fixed disc (10).

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