CN216877591U

CN216877591U - Medical rotary valve

Info

Publication number: CN216877591U
Application number: CN202122716991.1U
Authority: CN
Inventors: 霍泰君; 刘耀华
Original assignee: Ma Sum Medical Technology Shanghai Co ltd
Current assignee: Ma Sum Medical Technology Shanghai Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-07-05
Anticipated expiration: 2031-11-08

Abstract

The utility model relates to the technical field of stopcocks and discloses a medical stopcock which comprises a connecting pipe main body, wherein a sealing block is fixedly installed on the outer side of the connecting pipe main body, an annular ring is welded on the inner side of the sealing block, a rectangular channel is formed in the inner side of the annular ring, and a fixing plate is welded on the inner side of the sealing block. This medical treatment is with rotary valve, through being provided with the knob, the annular ring, the sloping block, drive adjusting screw through rotating the knob and rotate and vertical motion on the fixed plate, make adjusting screw drive sloping block up-and-down motion, when the passageway is opened to needs, rotatory knob makes sloping block downstream, promote two trapezoidal closing plates and circle the slip and keep away from each other at the annular, the rectangle passageway just communicates with each other with external pipeline this moment, rotation angle through adjusting knob reaches the flow control to the liquid or gas through the rectangle passageway, when reaching quick adjustment medicine flow size, adjusting screw does not contact with the medicine purpose.

Description

Medical rotary valve

Technical Field

The utility model belongs to the technical field of stopcocks, and particularly relates to a stopcock for medical treatment.

Background

The plug valve is a closure member or a plunger-shaped rotary valve, a channel port on the plug valve is communicated or separated with or from a channel port on the valve body by rotating a certain angle, the valve is opened or closed, the rotary valve is widely used in medical treatment, the rotary valve is often used in infusion and operation to stop the input speed of liquid or gas medicines, the flow rate of liquid and gas is controlled by adjusting the rotating state of the rotary valve, and the plug valve is convenient and trouble-saving.

Current rotary valve adopts single valve plug basically, though can reach the velocity of flow of liquid or gaseous medicine in the control duct, but the valve plug when the regulation, can be direct and medicine contact, however partial medicine has corrosivity, and long-time use can lead to the medicine to enter into screw means inside, causes the damage to slewing mechanism, influences the leakproofness of rotary valve, also does not benefit to the regulation accuracy nature of rotary valve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problems in the background art, the utility model provides a medical stopcock.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a medical treatment is with rotary valve, includes the connecting pipe main part, the outside fixed mounting of connecting pipe main part has sealed piece, the inboard welding of sealed piece has the annular ring, the rectangle passageway has been seted up to the inboard of annular ring, the inboard welding of sealed piece has the fixed plate, the outside welding of fixed plate has reset spring, reset spring keeps away from the one end welding of fixed plate has trapezoidal closing plate, reset spring's one end fixed mounting is kept away from to trapezoidal closing plate has the sealing washer, the outside welding of sealed piece has the fixed plate, the inboard threaded connection of fixed plate has adjusting screw, adjusting screw's top welding has the knob, adjusting screw's bottom is rotated and is connected with the sloping block.

Furthermore, the rectangular channel is communicated with the connecting pipe main body, and the annular ring is fixedly connected with the inner wall of the connecting pipe main body.

Further, the two fixing plates are symmetrically distributed on the inner side of the sealing block by taking the center of the rectangular channel as a symmetry center.

Furthermore, the trapezoidal sealing plate and the sealing ring are made of corrosion-resistant materials, and the sealing ring has elasticity.

Further, the sloping block is trapezoidal in design, trapezoidal closing plate have two and all with the side sliding connection of sloping block, the junction of sloping block and trapezoidal closing plate closely laminates.

Further, the trapezoid sealing plate is connected to the outer side of the annular ring in a sliding mode and located on the front face of the rectangular channel, and the trapezoid sealing plate can completely cover the rectangular channel.

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

1. this medical treatment is with rotary valve through being provided with sealed piece, trapezoidal closing plate, sealing washer for the device can realize totally sealing under the state of closing, and through the synchronous use of trapezoidal closing plate and sealing washer, under reset spring's effect, two sealing washers can realize closely laminating, and the medicine of blocking device both sides completely flows, reaches the purpose that improves sealed effect.

2. This medical treatment is with rotary valve, through being provided with the knob, the annular ring, the sloping block, drive adjusting screw through rotating the knob and rotate and vertical motion on the fixed plate, make adjusting screw drive sloping block up-and-down motion, when the passageway is opened to needs, rotatory knob makes the sloping block downstream, promote two trapezoidal closing plates and circle the slip and keep away from each other at the annular, the rectangular channel just communicates with each other with external pipeline this moment, rotation angle through adjusting knob reaches the flow control to the liquid or gas through the rectangular channel, when reaching quick adjustment medicine flow size, adjusting screw does not contact with the medicine purpose, make adjusting device obtain the protection, extension fixture's life, and improve device's security performance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view showing the internal structure of the sealing block according to the present invention;

FIG. 3 is a structural relationship diagram of the annular ring and the sealing block of the present invention.

In the figure: 1. a connecting pipe main body; 2. a sealing block; 3. a fixed block; 4. a knob; 5. an annular ring; 6. a rectangular channel; 7. a trapezoidal sealing plate; 8. a seal ring; 9. a return spring; 10. a fixing plate; 11. a sloping block; 12. adjusting the screw rod.

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.

The medical stopcock comprises a connecting pipe main body 1, a sealing block 2 is fixedly mounted on the outer side of the connecting pipe main body 1, an annular ring 5 is welded on the inner side of the sealing block 2, a rectangular channel 6 is formed in the inner side of the annular ring 5, a fixing plate 10 is welded on the inner side of the sealing block 2, a reset spring 9 is welded on the outer side of the fixing plate 10, a trapezoidal sealing plate 7 is welded on one end, away from the fixing plate 10, of the reset spring 9, a sealing ring 8 is fixedly mounted on one end, away from the reset spring 9, of the trapezoidal sealing plate 7, a fixing block 3 is welded on the outer side of the sealing block 2, an adjusting screw 12 is connected to the inner side of the fixing block 3 in a threaded mode, a knob 4 is welded on the top of the adjusting screw 12, and an inclined block 11 is rotatably connected to the bottom of the adjusting screw 12.

The rectangular channel 6 is communicated with the connecting pipe body 1, the annular ring 5 is fixedly connected with the inner wall of the connecting pipe body 1, the smooth circulation of the medicine after the device is connected with the outer side is facilitated, two fixing plates 10 are arranged and symmetrically distributed on the inner side of the sealing block 2 by taking the center of the rectangular channel 6 as a symmetrical center, the size of the circulation area of the rectangular channel 6 and the outer side pipeline is conveniently adjusted, the fast adjustment of the medicine flow in the pipeline is achieved, the trapezoidal sealing plate 7 and the sealing ring 8 are made of corrosion-resistant materials, and the sealing ring 8 has elasticity, so that the device can be completely sealed in a closed state, meanwhile, the corrosion resistance of the device is improved, the safety performance of the device is improved, the inclined block 11 is in a trapezoidal design, the trapezoidal sealing plate 7 is provided with two inclined blocks which are in sliding connection with the side faces of the inclined block 11, and the inclined block 11 is tightly attached to the connecting part of the trapezoidal sealing plate 7, so that the device can be quickly adjusted conveniently.

As shown in fig. 3, the trapezoidal sealing plate 7 is slidably connected to the outer side of the annular ring 5 and located on the front surface of the rectangular channel 6, and the trapezoidal sealing plate 7 can completely cover the rectangular channel 6, so that complete sealing and complete opening of the device are facilitated, and the adjustability of the device is ensured.

When using, earlier connecting pipe main part 1 and outside pipeline fixed connection, drive adjusting screw 12 through rotating knob 4 and rotate and vertical motion on fixed block 3, make adjusting screw 12 drive sloping block 11 up-and-down motion, when the passageway is opened to needs, rotatory knob 4 makes sloping block 11 downstream, promote two trapezoidal sealing plates 7 and slide and keep away from each other on ring 5, rectangular channel 6 just communicates with each other with external pipeline this moment, reach the flow control to the liquid or gas through rectangular channel 6 through adjusting knob 4's rotation angle, when reaching quick adjustment medicine flow size, adjusting screw 12 does not contact with the medicine purpose, make adjusting device obtain the protection, the life of extension fixture, and the security performance of improvement device.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The medical stopcock comprises a connecting pipe main body (1) and is characterized in that a sealing block (2) is fixedly mounted on the outer side of the connecting pipe main body (1), an annular ring (5) is welded on the inner side of the sealing block (2), a rectangular channel (6) is formed in the inner side of the annular ring (5), a fixing plate (10) is welded on the inner side of the sealing block (2), a reset spring (9) is welded on the outer side of the fixing plate (10), a trapezoidal sealing plate (7) is welded at one end, far away from the fixing plate (10), of the reset spring (9), a sealing ring (8) is fixedly mounted at one end, far away from the reset spring (9), of the trapezoidal sealing plate (7), a fixing block (3) is welded on the outer side of the sealing block (2), an adjusting screw rod (12) is connected to the inner side of the fixing block (3) through threads, and a knob (4) is welded at the top of the adjusting screw rod (12), the bottom of the adjusting screw rod (12) is rotatably connected with an inclined block (11).

2. The medical stopcock according to claim 1, wherein the rectangular channel (6) is in communication with the connecting tube body (1) and the annular ring (5) is fixedly connected to the inner wall of the connecting tube body (1).

3. The stopcock according to claim 1, wherein the fixing plates (10) are two and symmetrically distributed inside the sealing block (2) with the center of the rectangular channel (6) as the center of symmetry.

4. The medical stopcock according to claim 1, wherein the trapezoidal sealing plate (7) and the sealing ring (8) are made of corrosion resistant material, and the sealing ring (8) has elasticity.

5. The medical stopcock according to claim 1, wherein the ramp (11) is of a trapezoidal design, two of the trapezoidal sealing plates (7) are slidably connected to the side of the ramp (11), and the connection between the ramp (11) and the trapezoidal sealing plate (7) is tightly attached.

6. The medical stopcock according to claim 1, wherein the trapezoidal sealing plate (7) is slidably attached to the outside of the annular ring (5) and located in front of the rectangular channel (6), and the trapezoidal sealing plate (7) can completely cover the rectangular channel (6).