TWM526899U - Water sealing valve of drip cylinder - Google Patents

Description

Drop valve tube

The present invention relates to a water stop valve piece for a drip tube, in particular to a water stop valve piece for a drip liquid tube formed by one body of a medical device, so that the water stop valve piece does not need to be assembled again after being formed and is simple to manufacture and conforms to Hygienic requirements for medical devices.

According to the conventional water stop valve piece, there is a plastic ring body and a diaphragm. The center of the ring body is recessed with a chamber on both sides, and the chamber is recessed with a through hole for piercing the ring body, and the diaphragm is sleeved. In the chamber of the ring body, the diaphragm of the ring body is sleeved, and the valve plate has a certain specific gravity to float on the liquid surface of the measuring cylinder, so as to prevent air from entering the human body, infusion The water outlet is completely discharged through the drip tube, and the water stop valve sheet is adsorbed to the water outlet of the drip tube while the flow is finished, and the water outlet is blocked; however, since the water stop valve piece is made of two small The components are assembled by hand. Therefore, the two small components need to be assembled again after forming, which is not only very labor-intensive, but also has high production cost, and the medical fingers must be assembled by artificial fingers to complete the lack of hygiene requirements. .

In addition, the sealing valve piece needs to be placed in the correct position in the ring body before the assembly is completed, so that the film piece is not easily placed in the correct position during the assembly work, even if the pendulum is placed in the correct position, the film is packaged and During the transportation process, the diaphragm of the water stop valve piece is often deformed or peeled off due to the inevitable squeezing or squeezing process. The quality is different and the defect rate is high, so the water is stopped. The valve plate needs to be improved.

In order to improve the lack of conventional water stop valve sheets, the present invention provides a water stop valve sheet for a drip cylinder that is simple to manufacture and simple in construction.

In order to achieve the above-mentioned creative purpose, the technical means adopted by the present invention is to provide a water stop valve piece of a drip cylinder, the water stop valve piece comprising a ring body and a diaphragm integrally formed with the ring body, wherein the ring body is An opening is formed, and a flange is protruded inwardly around the opening; the outer circumference of the diaphragm is concavely disposed with a concave ring that can be coupled to the flange of the ring body, thereby making the diaphragm and the ring The body is integrally formed in the mold.

The flange is further provided with at least one perforation, so that when the diaphragm is integrally formed with the ring body, the plastic cylinder is ejected by the perforation to fit the two to each other, and the number of the perforations is 3-12. Preferably, the number of the perforations is preferably 9.

The ring body is further provided with at least two through holes, and the number of the through holes and the aperture size are used to adjust the specific gravity of the water stop valve piece.

The ring body is further provided with at least two recessed holes, and the number of the recessed holes and the size of the recessed holes are used to adjust the specific gravity of the water stop valve sheet.

The ring system is formed by injection molding of a rigid plastic, and the film is integrally molded with the ring body by a soft silicone in the mold.

10‧‧‧ valve

10A‧‧‧ valve

10B‧‧‧ valve

11‧‧‧Act

11A‧‧‧Act

11B‧‧‧Act

111‧‧‧Opening

112‧‧‧Flange

112A‧‧‧Flange

112B‧‧‧Flange

113‧‧‧Perforation

113A‧‧‧Perforation

113B‧‧‧Perforation

114‧‧‧through hole

114A‧‧‧through hole

114B‧‧‧ recessed hole

12‧‧‧ diaphragm

12A‧‧‧ diaphragm

12B‧‧‧ diaphragm

120‧‧‧ concave ring

121‧‧‧film

121A‧‧‧film

121B‧‧‧film

122‧‧‧Act

20‧‧‧ drip tube

26‧‧‧Measuring cylinder

260‧‧‧ water outlet

29‧‧‧Second infusion tube

1 is a perspective view of a first embodiment of the present invention; and FIG. 2 is a schematic exploded perspective view of the first embodiment before being integrally formed; 3 is a plan view showing a first embodiment of the present invention; FIG. 4 is a cross-sectional view of FIG. 3; FIG. 5 is a perspective view showing a state of use of the first embodiment of the present invention; FIG. 7 is a partially enlarged schematic view showing a second use state of FIG. 5; FIG. 8 is a plan view schematically showing a second embodiment of the present invention; and FIG. 9 is a plan view showing a third embodiment of the present invention.

Please refer to FIGS. 1 and 2 for a perspective view of a first embodiment of the present invention. The water stop valve piece of the drip cylinder of the present invention (hereinafter referred to as a valve piece) has a ring body 11 and A diaphragm 12 is disposed in the ring body 11 with an opening 111. A flange 112 is protruded inwardly from the center of the periphery of the opening 111. The flange 112 is provided with at least one through hole 113, and the ring body 11 is A plurality of through holes 114 are defined in the periphery, and the plurality of through holes 114 are located around the outer periphery of the flange 112. The diaphragm 12 has a ring body 122 and a film 121 disposed at the center of the ring body 122. The outer circumference of the ring body 122 is opposite to The flange 112 of the ring body 11 is concavely disposed with a concave ring 120 that can be engaged with the flange 112. The ring body 122 and the film 121 are integrally formed by a soft plastic such as silicone rubber.

As can be seen from Figures 3 and 4, the flange 112 of the ring body 11 is for snapping into the concave ring 120 of the diaphragm 12, and the through hole 113 on the flange 112 is ejected from the plastic column by the perforation 113 during injection molding. The two bodies are fitted to each other so that the diaphragm 12 is formed integrally with the ring body 11 in the injection molding die, and thus does not need to be separately assembled, so that the finished water stop valve piece after the completion of the injection is no longer required. Contact with human hands to meet the hygiene requirements of medical devices.

Referring to Figures 1 and 5 to 7, it can be seen that the instructions for use in the preferred embodiment of the present invention are shown. It is intended that the upper end of the drip tube 20 has an insertion portion 22, a first infusion tube 24, a metering cylinder 26, and a second infusion tube 29, etc., and the insertion portion 22 can be used to puncture the drip bottle at the insertion portion 22. A first infusion tube 24 is connected to the lower side, and the other end of the first infusion tube 24 is connected to the metering cylinder 26, and a water outlet 260 is provided at the lower end of the metering cylinder 26 to allow the drip liquid in the metering cylinder 26 to be delivered to the person. In order to prevent the air in the metering cylinder 26 from entering the body after the liquid flow is completed, the inside of the metering cylinder 26 is provided with the liquid stopping valve piece 10 of the present invention, and the liquid stopping valve sheet 10 is provided with a plurality of through holes 114. And having a certain specific gravity and floating on the liquid surface, and decreasing as the liquid level is lowered, until the liquid completely flows into the second infusion tube 29, as shown in FIGS. 6-7, the diaphragm 12 of the liquid stopping valve sheet 10 can be Attached to the water outlet 260 prevents air in the metering cylinder 26 from entering the human body.

FIG. 8 is a plan view showing a second preferred embodiment of the present invention. It can be seen that the structure of the present embodiment is substantially the same as that of the first preferred embodiment of the valve sheet 10, and the related or identical components are labeled relative to each other. The reference number and the English word "A" are appended to the reference number for mutual comparison, and for the sake of simplicity of explanation, the relevant omitted. However, the difference between the embodiment and the first preferred embodiment is that the number of the through holes 113A on the flange 112A of the present embodiment is preferably from 3 to 12, and the number of the perforations is preferably nine, so that the ring of the valve piece 10 is The fitting between the flange 112 of the body 11 and the concave ring 120 of the diaphragm 12 is more stable; in other words, the more the number of the perforations 113A, the better the stability of the fitting between the ring body 11 and the diaphragm 12.

FIG. 9 is a plan view showing a third preferred embodiment of the present invention. It can be seen that the structure of the present embodiment is substantially the same as that of the first preferred embodiment of the valve sheet 10, and the related or identical components are labeled with respect to each other. The reference number and the English word "B" are appended to the reference number for mutual comparison, and for the sake of simplicity of explanation, the relevant omitted. However, this embodiment differs from the first preferred embodiment only in that the plurality of recessed holes 114B in the ring body 11B of the present embodiment replace the through holes of the first preferred embodiment. 114, the rest are the same.

It can be seen from the above description that the novel design of the liquid stop valve sheet 10 provides an improvement of the lack of the conventional liquid stop valve sheet, which should meet the requirements of the new patent application, and is submitted according to law.

10‧‧‧ valve

11‧‧‧Act

111‧‧‧Opening

112‧‧‧Flange

113‧‧‧Perforation

114‧‧‧through hole

12‧‧‧ diaphragm

120‧‧‧ concave ring

121‧‧‧film

122‧‧‧Act

Claims (7)

A water stop valve piece for a drip cylinder, comprising: a ring body, wherein the ring body is provided with an opening, a flange is protruded inwardly around the opening; and a diaphragm is formed, the outer surface of the diaphragm is concave A recessed ring engageable with the flange of the ring body is provided whereby the diaphragm and the ring body are integrally formed in the mold. The water stop valve sheet of the drip tube according to claim 1, wherein the flange is further provided with at least one perforation, so that the film is ejected from the ring body when the film is integrally formed with the ring body. The body fits the two together. The water stop valve sheet of the drip tube according to claim 2, wherein the number of the perforations is preferably 3-12. The water stop valve sheet of the drip tube according to claim 3, wherein the number of the perforations is preferably 9. The water stop valve piece of the drip tube according to claim 1, wherein at least two through holes are further disposed around the ring body, and the number of the through holes and the aperture size are used to adjust the water stop valve. The proportion of the film. The water stop valve piece of the drip tube according to the first aspect of the invention, wherein at least two recessed holes are further disposed around the ring body, and the number of the recessed holes and the size of the recessed holes are used to adjust the water stop. The specific gravity of the valve. The water stop valve sheet of the drip tube according to claim 1, wherein the ring system is formed by injection molding of a hard plastic, and the diaphragm is integrally molded with the ring body by a soft silicone rubber in the mold.