CN216366268U

CN216366268U - Control valve for catheter

Info

Publication number: CN216366268U
Application number: CN202122839248.5U
Authority: CN
Inventors: 朱嘉伟; 魏家富; 李钧
Original assignee: Changzhou Furuite Biotechnology Co ltd
Current assignee: Changzhou Furuite Biotechnology Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-04-26
Anticipated expiration: 2031-11-19

Abstract

The utility model belongs to the technical field of catheters, and particularly relates to a control valve for a catheter, which comprises a valve body, wherein a supporting tube is fixedly connected to the valve body, a sealing sleeve is fixedly connected to the outer side of the supporting tube, a supporting frame is fixedly connected to the inside of the sealing sleeve, a spring is arranged on the supporting frame, a conveying tube is fixedly connected to the inside of the valve body, a valve tube is fixedly connected to the inside of the conveying tube, a sealing block is slidably connected to the inside of the valve tube, a threaded tube is installed on the valve tube through a bearing, a screw rod is installed inside the sealing block through a bearing, and a guide tube is fixedly connected to the inside of the valve tube. According to the utility model, the sealing block, the screw rod, the threaded pipe and other structures are additionally arranged in the valve pipe, so that the sealing block can be driven to move through the thread fit between the screw rod and the threaded pipe when the valve is used, the on-off of the valve pipe can be controlled through the sealing block, and the threaded cylinder can be limited through the square cover.

Description

Control valve for catheter

Technical Field

The utility model relates to the technical field of catheters, in particular to a control valve for a catheter.

Background

The catheter is a pipeline made of natural rubber, silicon rubber or polyvinyl chloride (PVC), can be inserted into a bladder through a urethra to drain urine, the head end of the catheter is inserted into the bladder, the urine is guided out from the tail end of the catheter through the pipeline, and the on-off of the catheter needs to be controlled through a control valve when the catheter is used. Accordingly, there is a need for improvements in the art.

Disclosure of Invention

The utility model aims to provide a control valve for a catheter, which solves the problems that the control valve is inconvenient to control the on-off and the connection with a urine bag.

In order to achieve the purpose, the utility model provides the following technical scheme: the control valve for the catheter comprises a valve body, fixedly connected with stay tube on the valve body, the outside fixedly connected with seal cover of stay tube, the inside fixedly connected with support frame of seal cover, be provided with the spring on the support frame, the inside fixedly connected with conveyer pipe of valve body, the inside fixedly connected with valve pipe of conveyer pipe, the inside sliding connection of valve pipe has sealed piece, install the screw thread section of thick bamboo through the bearing on the valve pipe, the screw rod is installed through the bearing in the inside of sealed piece, the inside fixedly connected with guide cylinder of valve pipe, the inside sliding connection of guide cylinder has the guide arm, the outside sliding connection of valve pipe has the square lid, the square section of thick bamboo of one end fixedly connected with of screw thread section of thick bamboo, the inside of square section of thick bamboo is provided with the extension spring.

Preferably, one end of the spring is fixedly connected with the supporting tube, and the other end of the spring is fixedly connected with the supporting frame.

Preferably, the guide rod is fixedly connected with the sealing block, and the screw rod is connected with the threaded cylinder through threads.

Preferably, one end of the tension spring is fixedly connected with the square cover, and the other end of the tension spring is fixedly connected with the square cylinder.

Preferably, the square cylinder is connected with the square cover in a sliding mode, and the square cover is provided with a square groove.

Preferably, the valve body is fixedly connected with a connecting pipe, the connecting pipe is fixedly connected with the conveying pipe, and the supporting pipe is fixedly connected with the conveying pipe.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the sealing block, the screw rod, the threaded pipe and other structures are additionally arranged in the valve pipe, so that the sealing block can be driven to move through the thread fit between the screw rod and the threaded pipe when the valve is used, the on-off of the valve pipe can be controlled through the sealing block, and the threaded cylinder can be limited through the square cover.

2. The utility model adds the spring, the support frame, the sealing sleeve and other structures on the outer side of the support tube, and the deformation of the sealing sleeve can be increased by the elasticity of the spring when in use, thereby facilitating the connection between the support tube and the urine bag.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a front cross-sectional view of the utility model of FIG. 1;

FIG. 3 is a cross-sectional view of the valve tube of FIG. 2 of the present invention;

fig. 4 is an enlarged view of the structure of the portion a in fig. 3 according to the present invention.

In the figure: 1. a valve body; 2. supporting a tube; 3. sealing sleeves; 4. a support frame; 5. a spring; 6. a delivery pipe; 7. a valve tube; 8. a sealing block; 9. a threaded barrel; 10. a screw; 11. a guide cylinder; 12. a guide bar; 13. a square cover; 14. a square cylinder; 15. a tension spring; 16. and (4) connecting the pipes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the control valve for the catheter comprises a valve body 1, a support tube 2 is fixedly connected to the valve body 1, a sealing sleeve 3 is fixedly connected to the outer side of the support tube 2, a support frame 4 is fixedly connected to the inside of the sealing sleeve 3, a spring 5 is arranged on the support frame 4, a delivery tube 6 is fixedly connected to the inside of the valve body 1, a valve tube 7 is fixedly connected to the inside of the delivery tube 6, a sealing block 8 is slidably connected to the inside of the valve tube 7, a threaded cylinder 9 is mounted on the valve tube 7 through a bearing, a screw rod 10 is mounted inside the sealing block 8 through a bearing, a guide cylinder 11 is fixedly connected to the inside of the valve tube 7, a guide rod 12 is slidably connected to the inside of the guide cylinder 11, a square cover 13 is slidably connected to the outer side of the valve tube 7, a square cylinder 14 is fixedly connected to one end of the threaded cylinder 9, and a tension spring 15 is arranged inside the square cylinder 14.

Referring to fig. 2, one end of the spring 5 is fixedly connected to the support tube 2, the other end of the spring 5 is fixedly connected to the support frame 4, and the spring 5 can increase the deformation of the sealing sleeve 3.

Referring to fig. 3, the guide rod 12 is fixedly connected to the sealing block 8, the screw 10 is connected to the threaded cylinder 9 through threads, and the guide rod 12 and the guide cylinder 11 can limit the sealing block 8.

Referring to fig. 4, one end of the tension spring 15 is fixedly connected to the square cover 13, the other end of the tension spring 15 is fixedly connected to the square cylinder 14, and the tension spring 15 can drive the square cover 13 to automatically reset through elasticity.

Referring to fig. 4, the square cylinder 14 is slidably connected to the square cover 13, a square groove is formed on the square cover 13, and the square cover 13 can drive the screw cylinder 9 to rotate through the square cylinder 14.

Referring to fig. 2, a connecting pipe 16 is fixedly connected to the valve body 1, the connecting pipe 16 is fixedly connected to the delivery pipe 6, the supporting pipe 2 is fixedly connected to the delivery pipe 6, and the connecting pipe 16 is used for connecting to a urinary catheter, which belongs to the prior art.

The specific implementation process of the utility model is as follows: when the urine bag connecting device is used, the sealing sleeve 3 is inserted into a connecting port on a urine bag, the spring 5 is compressed when the urine bag connecting device is inserted, the spring 5 pushes the support frame 4 to support the sealing sleeve 3 through elastic force, and the deformation amplitude of the sealing sleeve 3 can be increased through the elastic force of the spring 5 in the inserting process, so that the valve body 1 and the urine bag can be connected more conveniently;

after the connection is accomplished, upwards pulling square lid 13, make square lid 13 break away from valve pipe 7, extension spring 15 is stretched, when square lid 13 breaks away from valve pipe 7, rotate square lid 13, square lid 13 drives screw thread section of thick bamboo 9 through square section of thick bamboo 14 and rotates, screw thread section of thick bamboo 9 in the pivoted in-process through with screw rod 10 between screw-thread fit drive sealing block 8 remove, when sealing block 8 breaks away from the through-hole on the valve pipe 7, alright open valve body 1, loosen square lid 13 after the adjustment is accomplished, extension spring 15 drives square lid 13 through elasticity and slides the outside of valve pipe 7 and can carry out spacingly to screw thread section of thick bamboo 9.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Control valve for catheter, including valve body (1), its characterized in that: the valve comprises a valve body (1), a supporting pipe (2) is fixedly connected to the valve body (1), a sealing sleeve (3) is fixedly connected to the outer side of the supporting pipe (2), a supporting frame (4) is fixedly connected to the inner portion of the sealing sleeve (3), a spring (5) is arranged on the supporting frame (4), a conveying pipe (6) is fixedly connected to the inner portion of the valve body (1), a valve pipe (7) is fixedly connected to the inner portion of the conveying pipe (6), a sealing block (8) is slidably connected to the inner portion of the valve pipe (7), a threaded cylinder (9) is installed on the valve pipe (7) through a bearing, a screw rod (10) is installed inside the sealing block (8) through a bearing, a guide cylinder (11) is fixedly connected to the inner portion of the valve pipe (7), a guide rod (12) is slidably connected to the inner portion of the guide cylinder (11), and a square cover (13) is slidably connected to the outer side of the valve pipe (7), one end of the threaded cylinder (9) is fixedly connected with a square cylinder (14), and a tension spring (15) is arranged inside the square cylinder (14).

2. The control valve for a catheter according to claim 1, wherein: one end of the spring (5) is fixedly connected with the supporting tube (2), and the other end of the spring (5) is fixedly connected with the supporting frame (4).

3. The control valve for a catheter according to claim 1, wherein: the guide rod (12) is fixedly connected with the sealing block (8), and the screw rod (10) is connected with the threaded cylinder (9) through threads.

4. The control valve for a catheter according to claim 1, wherein: one end of the tension spring (15) is fixedly connected with the square cover (13), and the other end of the tension spring (15) is fixedly connected with the square cylinder (14).

5. The control valve for a catheter according to claim 1, wherein: the square barrel (14) is connected with the square cover (13) in a sliding mode, and a square groove is formed in the square cover (13).

6. The control valve for a catheter according to claim 1, wherein: fixedly connected with connecting pipe (16) on valve body (1), connecting pipe (16) with conveyer pipe (6) fixed connection, stay tube (2) with conveyer pipe (6) fixed connection.