CN205145388U - Drainage bag goes out liquid cross valve - Google Patents

Abstract

The utility model discloses a liquid outlet cross valve for a drainage bag, which comprises a valve body and a valve core. A liquid inlet is provided at the upper end of the vertical pipe, and a liquid outlet is provided at the lower end of the vertical pipe. The inner cavity of the horizontal pipe is respectively connected with the liquid inlet and liquid outlet of the vertical pipe. The spool matched with the inner cavity of the transverse pipe is provided with an annular groove on the side wall of the middle front part of the spool, and on the side wall of the spool close to the valve handle end and close to the annular groove, there is a valve core integrated with the spool. The ring sealing ring. The valve core can be pushed back and forth in the inner cavity of the horizontal tube. During operation, hold the index finger and middle finger of one hand on the upper and lower sides of the joint between the vertical tube and the horizontal tube of the valve body, and push the valve core with the thumb to realize Opening and closing of the cross valve. The utility model has the advantages of simple structure, convenient operation, good sealing performance, economy and effectiveness, and safe and reliable use.

Description

Drainage bag liquid cross valve

technical field

The utility model relates to a medical device, in particular to a liquid outlet cross valve for a drainage bag.

Background technique

In the prior art, the drainage bag is mainly used for the drainage of the patient's body fluid or tissue exudate. During drainage, the body fluid is drained into the drainage bag through the drainage catheter. Liquid drains.

The existing liquid outlet valve includes a hollow valve body connected with the drainage bag, one end of the valve body is provided with a liquid inlet, the other end of the valve body is provided with a liquid outlet, and the liquid outlet of the valve body is provided with protective cap. When working, remove the protective cap to empty the liquid in the drainage bag, and then put on the protective cap to continue drainage. Its shortcoming is that this liquid outlet valve needs to be operated by both hands to close and open. Since the patient's body fluid often contains germs, it is easy to get dirty hands when holding the valve switch with both hands, which poses a greater risk to the operator; In addition, the mode of using both hands to operate is not convenient enough.

Contents of the invention

The purpose of the utility model is to provide a simple operation, convenient opening and closing, hygienic drainage bag fluid outlet cross valve.

The purpose of this utility model is achieved in that:

A cross valve for drainage bag fluid, including a valve body and a valve core, characterized in that: the valve body is composed of a vertical tube and a horizontal tube, the horizontal tube and the vertical tube intersect and are connected as one, and the upper end of the vertical tube is provided with a There is a liquid inlet, and a liquid outlet is provided at the lower end of the vertical tube. The inner cavity of the horizontal tube is connected with the liquid inlet and the liquid outlet of the vertical tube respectively, and a cavity with the horizontal tube is inserted in the horizontal tube. The matching valve core is provided with an annular groove on the middle front side wall of the valve core, and an annular sealing ring integrated with the valve core is provided on the side wall of the valve core close to the valve handle end and close to the annular groove , the length of the spool is 3-25mm longer than the length of the horizontal pipe, the outer diameter of the annular groove is 1/10-4/5 times the inner diameter of the vertical pipe, and the length of the annular groove is 1/5 of the inner diameter of the vertical pipe 1/2 to 3/2 times, the outer diameter of the annular sealing ring is 0 to 1 mm larger than the inner diameter of the horizontal pipe, and the length of the annular sealing ring is 1 to 2 times the inner diameter of the vertical pipe.

The spool can be pushed back and forth in the inner cavity of the transverse tube. When the valve handle is pulled out backward or the spool is pushed from the protruding end in front of the spool, and the spool is pulled to the rear end of the inner cavity of the transverse tube, the ring The groove is connected with the liquid inlet and the liquid outlet at the same time, and the liquid flow channel is opened; The position of the liquid port is staggered, and the liquid flow channel is closed.

When the utility model works, one end of the liquid inlet of the valve body is connected with the bottom of the drainage bag; since the length of the valve core is greater than the length of the transverse pipe of the valve body, the front end of the valve core can extend out of the transverse pipe of the valve body, so You can press the valve handle forward, pull the valve handle backward, or push the valve core from the protruding end in front of the valve core, so that the valve core slides in the transverse tube. When the valve core is pushed to the front end of the inner cavity of the transverse tube, The annular groove is connected with the liquid inlet and the liquid outlet at the same time, and the liquid in the drainage bag can flow out at this time; The mouth position is staggered, and the annular sealing ring blocks the liquid flow channel, and the liquid in the drainage bag cannot flow out at this time; when operating, hold the upper and lower sides of the connection between the vertical tube and the horizontal tube of the valve body with the index finger and middle finger of one hand , Push the spool with your thumb to realize the opening and closing of the cross valve. Compared with the prior art, the utility model has the advantages of simple structure, convenient operation, good sealing, economical and effective, and safe and reliable use.

Description of drawings

Fig. 1 is the structural representation of valve body;

Fig. 2 is the structural representation of spool;

Fig. 3 is a schematic diagram of the state of the utility model when the liquid flow channel is opened;

Fig. 4 is a schematic diagram of the liquid of the present invention when the liquid flow channel is closed.

detailed description

Below in conjunction with embodiment and with reference to accompanying drawing, the utility model is described in further detail.

As shown in Figures 1 and 2, the drainage bag outlet cross valve includes a valve body 3 and a valve core 7. The valve body 3 is composed of a vertical tube 2 and a horizontal tube 4. The horizontal tube 4 intersects with the vertical tube 2 and is connected as a cross. One body, a liquid inlet 1 is provided at the upper end of the vertical pipe 2, a liquid outlet 5 is provided at the lower end of the vertical pipe 2, the inner chamber 6 of the horizontal pipe 4 is connected with the liquid inlet 1 and the liquid outlet of the vertical pipe 2 The ports 5 are connected respectively, and a valve core 7 matching with the inner chamber 6 of the horizontal tube 4 is inserted in the transverse tube 4, and an annular groove 9 is arranged on the side wall of the middle front part of the valve core 7. 10 ends of the valve handle, an annular sealing ring 8 integrated with the spool is provided on the 9 side walls close to the annular groove, the length of the spool 7 is 10mm longer than the length of the transverse pipe 4, and the outer surface of the annular groove 9 The diameter is 1/2 times the inner diameter of the vertical pipe 2, the length of the annular groove 9 is 3/4 times the inner diameter of the vertical pipe 2, and the outer diameter of the annular sealing ring 8 is 0.2mm larger than the inner diameter of the horizontal pipe 4 , the length of the annular sealing ring 8 is 3/2 times of the inner diameter of the vertical pipe 2.

The spool 7 can push back and forth in the inner chamber 6 of the transverse tube 4 . As shown in Figure 3, when the valve handle 10 is pulled out backward and the valve core 7 is pulled to the rear end of the inner chamber 6 of the transverse tube 4, the annular groove 9 is connected to the liquid inlet 1 and the liquid outlet 5 at the same time. The annular groove 9 is on the same axis as the liquid inlet 1 and the liquid outlet 5, and the liquid flow channel is opened; as shown in Figure 4, when the valve handle 10 is pushed forward, the valve core 7 is pushed to the horizontal When the front end of the inner cavity 6 of 4, the annular groove 9 and the liquid inlet 1, the liquid outlet 5 are staggered, the annular sealing ring 8 is on the same axis as the liquid inlet 1, the liquid outlet 5, and the liquid flow channel is closed.

Claims (3)

1. a drainage bag fluid cross valve, comprise valve body and spool, it is characterized in that: valve body is made up of vertical duct and transverse pipe, transverse pipe and vertical duct cross are also connected as a single entity, inlet is provided with in the upper end of vertical duct, liquid outlet is provided with in the lower end of vertical duct, the inner chamber of transverse pipe and the inlet of vertical duct, liquid outlet is connected respectively, a spool matched with the inner chamber of transverse pipe is inserted with in transverse pipe, the middle front part sidewall of spool is provided with annular groove, at spool by valve handle end, the sidewall of adjacent annular groove is provided with the O-ring seal integrated with spool.

2. drainage bag fluid cross valve according to claim 1, it is characterized in that: the external diameter of annular groove is 1/10 ~ 4/5 times of the internal diameter of vertical duct, the length of annular groove is 1/2 ~ 3/2 times of the internal diameter of vertical duct, external diameter 0 ~ the 1mm larger than the internal diameter of transverse pipe of O-ring seal, the length of O-ring seal is 1 ~ 2 times of the internal diameter of vertical duct.

3. drainage bag fluid cross valve according to claim 1, is characterized in that: the length of spool will grow 3 ~ 25mm compared with the length of transverse pipe.