CN211325072U - Three-way valve - Google Patents
Three-way valve Download PDFInfo
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- CN211325072U CN211325072U CN201921507980.9U CN201921507980U CN211325072U CN 211325072 U CN211325072 U CN 211325072U CN 201921507980 U CN201921507980 U CN 201921507980U CN 211325072 U CN211325072 U CN 211325072U
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- way valve
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Abstract
The utility model discloses a three-way valve, wherein, the three-way valve comprises a three-way valve main body, a holding cavity is formed inside the three-way valve main body, the three-way valve main body is provided with a blood sampling end, and the blood sampling end is provided with a blood sampling port communicated with the holding cavity; and the sealing rubber plug is fixed at the blood sampling end and is right for sealing the blood sampling port, and the sealing rubber plug is also provided with an extrusion seam, and when the blood sampling device is connected with the blood sampling end for sampling blood, the blood sampling device extrudes the sealing rubber plug so that the extrusion seam is opened and is communicated with the blood sampling port. The utility model discloses technical scheme aims at optimizing the structure of three-way valve, simplifies the blood sampling operation through this three-way valve.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to three-way valve.
Background
The three-way valve is generally used in combination with other medical instruments, is used for injecting, infusing, transfusing, detecting or drawing blood and the like for patients, and has wide application in the medical field. For example, in the invasive pressure sensor, a three-way valve is arranged between the tail end of the invasive pressure sensor and a patient, so that continuous dynamic detection can be provided for the patient, and various physiological parameters of the blood pressure of the patient can be directly obtained; and the blood of the patient can be collected through the three-way valve, so that the injury caused by multiple puncture on the patient is avoided, and the pain of the patient is relieved. However, the blood sampling end of the existing three-way valve is connected with the valve body through a protective cap and threads, so as to realize the sealing of the blood sampling port. When blood sampling is needed, the protective cap needs to be taken down, and after the blood sampling is finished, the protective cap needs to be screwed down, so that the blood sampling operation is troublesome due to the structure, and the protective cap is easy to lose, so that the use is influenced.
The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a three-way valve aims at optimizing the structure of three-way valve, simplifies the blood sampling operation through this three-way valve.
In order to achieve the above object, the utility model provides a three-way valve, include:
the blood sampling device comprises a three-way valve main body, a blood sampling valve and a control valve, wherein a containing cavity is formed inside the three-way valve main body, the three-way valve main body is provided with a blood sampling end, and the blood sampling end is provided with a blood sampling port communicated with the containing cavity; and
the sealing rubber plug is fixed in the blood sampling end, and right the blood sampling port is sealed, the sealing rubber plug is further provided with an extrusion seam, and when the blood sampling device is connected with the blood sampling end for sampling blood, the blood sampling device extrudes the sealing rubber plug, so that the extrusion seam is opened and communicated with the blood sampling port.
Optionally, the blood sampling end comprises a mounting seat, the mounting seat is convexly arranged on the surface of the three-way valve main body, and the end surface of the mounting seat is provided with the blood sampling port;
the sealing rubber plug comprises an extrusion part and a fixing part, wherein the extrusion part is provided with the extrusion seam, the fixing part is convexly arranged on the periphery of the extrusion part, and the fixing part is connected with the mounting seat to enable the extrusion seam to be arranged opposite to the blood collection port.
Optionally, the end surface of the mounting seat is further concavely provided with a mounting groove, the fixing part is inserted into the mounting groove, and the fixing part is fixedly connected to the groove side wall of the mounting groove.
Optionally, an annular groove is concavely formed in the end surface of the sealing rubber plug facing the mounting seat.
Optionally, the pressing slit traverses the pressing portion, and two ends of the pressing slit extend toward the fixing portion;
and/or the extrusion seam is linear; or the extrusion seam is in a cross shape.
Optionally, the three-way valve further comprises an installation cylinder, two ends of the installation cylinder are communicated, and one end of the installation cylinder is connected with the installation seat;
the sealing rubber plug is at least partially inserted into the mounting cylinder and abutted against the inner wall of the mounting cylinder, the extrusion seam is arranged on the opening of the mounting cylinder deviating from the mounting seat, and the sealing rubber plug is connected to the mounting seat through the mounting cylinder.
Optionally, the mounting tube includes a connecting section and a fixed section that are connected, the connecting section with the mount pad is connected, the fixed section be used for with blood sampling device is connected, sealed plug with the inner wall butt of fixed section.
Optionally, the outer side wall of the fixing section is provided with a connecting structure, and the connecting structure is used for being connected with the blood sampling device.
Optionally, the outer side wall of the fixing section is further provided with a limiting step, and the limiting step is arranged between the connecting structure and the connecting section.
Optionally, the mounting cylinder is made of a transparent material.
The utility model discloses among the technical scheme, serve through the blood sampling at the three-way valve main part and be fixed with sealed plug, use sealed plug to seal the mouth of taking a blood sample, and be equipped with the extrusion seam on the sealed plug, because sealed plug has elasticity, under the normality, the extrusion seam is sealed, can be with the isolated opening of the air in the mouth of taking a blood sample with external well to reach the effect sealed, the external thallus of impedance is to the pollution of the mouth of taking a blood sample to the mouth of taking a blood sample. When the blood sampling operation is needed, after the blood sampling device is connected with the blood sampling end, the part of the blood sampling device applies external force to the close extrusion seam, so that the rubber plug around the extrusion seam is extruded all around, and the extrusion seam is spread and communicated with the blood sampling port, so that the blood sampling operation is carried out by the blood sampling device. Because sealed plug is fixed in the blood sampling end, during the use, need not take off sealed plug and just can realize taking a blood sample, after the blood sampling is accomplished, the external force is no longer exerted to sealed plug to the blood sampling device, and extrusion seam meeting self-sealing to the realization is to the sealed of taking a blood sample mouth, so, makes the blood sampling operation more convenient. Meanwhile, the sealing rubber plug does not leave the blood sampling end all the time, so that the conditions that the use is influenced by the loss of the sealing rubber plug and the like can be avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a three-way valve according to the present invention;
FIG. 2 is an exploded view of the three-way valve of FIG. 1;
fig. 3 is a cross-sectional view of the three-way valve of the present invention;
fig. 4 is an enlarged view of a portion a in fig. 3.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a three-way valve 100.
Referring to fig. 1 to 3, in the embodiment of the present invention, the three-way valve 100 includes a three-way valve main body 10, an accommodating cavity 17 is formed inside the three-way valve main body 10, the three-way valve main body 10 is provided with a blood sampling end 11, and the blood sampling end 11 is provided with a blood sampling port 1111 communicating with the accommodating cavity 17; and a sealing rubber plug 113, the sealing rubber plug 113 is fixed in the blood sampling end 11, and right the blood sampling port 1111 is sealed, the sealing rubber plug 113 is further provided with an extrusion seam 1135, when a blood sampling device (not shown) is connected with the blood sampling end 11 for blood sampling, the blood sampling device extrudes the sealing rubber plug 113, so that the extrusion seam 1135 is spread and communicated with the blood sampling port 1111.
The utility model relates to an among the technical scheme of an embodiment, through being fixed with sealed plug 113 on the blood sampling end 11 at three-way valve main part 10, use sealed plug 113 to seal up the mouth 1111 of taking a blood sample, and be equipped with extrusion seam 1135 on the sealed plug 113, because sealed plug 113 has elasticity, under the normality, extrusion seam 1135 is sealed, can be well with the isolated division of the air of the mouth 1111 of taking a blood sample with external, in order to reach and seal up the mouth 1111 of taking a blood sample, the effect of the external thallus of impedance to the pollution of the mouth 1111 of taking a blood sample. When the operation of taking a blood sample needs to be carried out, after blood sampling device and blood sampling end 11 are connected, the external force is exerted to closely pressing seam 1135 by the blood sampling device part, and the rubber stopper around making pressing seam 1135 extrudes all around to make pressing seam 1135 strut and communicate with blood sampling port 1111, so that the blood sampling operation is carried out by the blood sampling device. Because sealed plug 113 is fixed in blood sampling end 11, during the use, need not take off sealed plug 113 and just can realize taking a blood sample, after the blood sampling is accomplished, the blood sampling device no longer applys external force to sealed plug 113, and extrusion seam 1135 can self-sealing to the realization is to the sealed of taking a blood sample mouth 1111, so, makes the blood sampling operation more convenient. Meanwhile, the sealing rubber plug 113 does not leave the blood sampling end 11 all the time, so that the sealing rubber plug 113 is not lost to influence the use and the like.
It should be noted that the three-way valve 100 according to the embodiment of the present invention is suitable for use in the medical field, and is generally used together with other medical instruments. For example, it may be used with wound pressure sensors (not shown), or with other medical devices. The three-way valve 100 will be described below by way of example as the three-way valve 100 is adapted to an invasive pressure sensor.
It can be understood that the three-way valve 100 further has a first port 13 and a second port 15 on the three-way valve body 10, which are communicated with the accommodating cavity 17, and the first port 13, the second port 15 and the blood sampling end 11 are independent from each other. The first interface 13 is communicated with the blood vessel of the patient, and the second interface 15 is communicated with the tail end of the invasive pressure sensor, so that the pressure test liquid in the invasive pressure sensor is communicated with the blood vessel of the patient. The three-way valve 100 further comprises a valve core 30, the valve core 30 is rotatably inserted into the accommodating cavity 17, and the top of the valve core 30 is further connected with a handle 31. When the device is used, the valve core 30 can be rotated by holding the handle 31 of the valve core 30 by hands, and when the handle 31 is rotated to the first position, the first interface 13 is communicated with the second interface 15, so that various physiological parameters such as blood pressure of a patient can be continuously and dynamically monitored. When the handle 31 is rotated to the second position, the first port 13 is communicated with the blood sampling end 11, and then the blood sampling operation of a patient can be realized.
Referring to fig. 1 to 3, in an embodiment of the present invention, the blood sampling end 11 includes an installation seat 111, the installation seat 111 is protruded on a surface of the three-way valve main body 10, and the blood sampling port 1111 is opened on an end surface of the installation seat 111; the sealing rubber plug 113 comprises a squeezing portion 1131 and a fixing portion 1133, the squeezing portion 1131 is provided with the squeezing slit 1135, the fixing portion 1133 is convexly arranged on the periphery of the squeezing portion 1131, the fixing portion 1133 is connected with the mounting seat 111, so that the squeezing slit 1135 is arranged opposite to the blood collection port 1111.
The utility model discloses an among the technical scheme of an embodiment, the material of three-way valve main part 10 is plastics, and mount pad 111 and three-way valve main part 10 structure as an organic whole, so, make things convenient for mount pad 111 and three-way valve main part 10 to pass through injection moulding integrated into one piece, so, can simplify processing. The inside connecting channel (not marked) who is formed with holding chamber 17 intercommunication of mount pad 111, connecting channel run through the surface of mount pad 111 in order to form blood sampling port 1111 to make blood sampling port 1111 and holding chamber 17 intercommunication, ensure to carry out the blood sampling operation through blood sampling port 1111.
In some embodiments, the mounting seat 111 includes a mounting seat body (not labeled) and a connecting tube 1115 connected to the mounting seat body, the connecting tube 1115 is protruded from the surface of the three-way valve body 10, the mounting seat body is disposed on an end surface of the connecting tube 1115 facing away from the three-way valve body 10, a connecting channel (not labeled) is formed in the connecting tube 1115, the connecting channel penetrates through the surface of the mounting seat 111 to form a blood collection port 1111, and the connecting tube 1115 can extend the length of the blood collection port 11, so as to facilitate connection with a blood collection device.
The sealing rubber plug 113 comprises an extrusion part 1131 and a fixing part 1133, the fixing part 1133 is convexly arranged on the periphery of the extrusion part 1131 and is arranged at an angle with the extrusion part 1131, and the fixing part 1133 and the extrusion part 1131 are encircled to form a communication with the blood collection port 1111. In this way, the fixing portion 1133 and the pressing portion 1131 form a cylindrical structure with one end open, and the pressing portion 1131 is an end face of the cylindrical structure.
Fixing portion 1133 is fixedly connected to mounting base 111. The fixing portion 1133 may be directly fixed to the mounting seat 111 or indirectly fixed to the mounting seat 111. When the fixing portion 1133 is directly connected to the mounting seat 111, the fixing portion 1133 can be directly sleeved on the side wall of the mounting seat 111, at this time, the pressing portion 1131 is disposed opposite to the end surface of the mounting seat 111, and the pressing slit 1135 is disposed corresponding to the blood collection port 1111.
In some embodiments, the fixing portion 1133 may also be indirectly fixed to the mounting seat 111 through the mounting barrel 115, specifically, by:
referring to fig. 1 to 3, in an embodiment of the present invention, the three-way valve 100 further includes an installation cylinder 115, two ends of the installation cylinder 115 are communicated, and one end of the installation cylinder 115 is connected to the installation seat 111; at least part of the sealing rubber plug 113 is inserted into the mounting tube 115 and abuts against the inner wall of the mounting tube 115, the extrusion slit 1135 is arranged in an opening of the mounting tube 115 deviating from the mounting seat 111, and the sealing rubber plug 113 is connected to the mounting seat 111 through the mounting tube 115.
The utility model relates to an among the technical scheme of an embodiment, the material of an installation section of thick bamboo 115 is plastics, and the size at the both ends of an installation section of thick bamboo 115 can equal, also can be that one end is great, and one end is less, as long as the opening intercommunication at both ends can. It is understood that the inner diameter of the mounting cylinder 115 is at least partially smaller than the outer diameter of the sealing rubber plug 113, so as to prevent the sealing rubber plug 113 from sliding out of the opening of the mounting cylinder 115. The installation barrel 115 and the three-way valve main body 10 are of a split structure, and the sealing rubber plug 113 is convenient to install. Through setting up an installation section of thick bamboo 115, will seal in the plug 113 sets up an installation section of thick bamboo 115, can protect sealed plug 113 on the one hand, on the other hand, can also make things convenient for sealed plug 113's fixed. After the mounting tube 115 is fixed to the mounting seat 111, the sealing rubber plug 113 is fixed to the mounting seat 111. When the sealing rubber plug 113 is connected to the mounting base 111 through the mounting tube 115, the sealing rubber plug 113 is fixed to the end surface of the mounting base 111.
The connection between the mounting cylinder 115 and the mounting seat 111 may be detachable connection or non-detachable connection. In some embodiments, the mounting barrel 115 and the mounting seat 111 may be fixedly connected by an adhesive; before the mounting tube 115 is fixed to the mounting base 111, an adhesive may be disposed on the periphery of the end of the mounting tube 115 or the periphery of the end of the mounting base 111, or both the end of the mounting tube 115 and the end of the mounting base 111, and then the mounting tube 115 is sleeved with the sealing rubber plug 113, so that the sealing rubber plug 113, the mounting tube 115 and the mounting base 111 are adhered together. The mode of fixing by the viscose glue is direct and quick.
In some embodiments, the mounting barrel 115 and the mounting seat 111 may be fixed by welding, specifically, ultrasonic welding may be used, and the connection between the connecting seat and the mounting barrel 115 may be fixed by ultrasonic welding in a precise and firm manner. Thus, the sealing rubber plug 113 can be fixed more firmly. In some embodiments, the connecting seat and the mounting barrel 115 may be detachably connected by a snap, specifically, one of the connecting seat and the mounting barrel 115 is provided with a snap, and the other of the connecting seat and the mounting barrel 115 is provided with a slot, and the snap and the slot cooperate to realize the detachable cooperation of the connecting seat and the mounting barrel 115.
Referring to fig. 2, in an embodiment of the present invention, an annular groove 1137 is concavely formed on an end surface of the sealing rubber plug 113 facing the mounting seat 111.
The utility model relates to an among the technical scheme of an embodiment, sealed plug 113's material can be rubber, also can be silica gel, and this type of material has mechanical properties such as better elasticity, the shaping processing of sealed plug 113 of being convenient for. In this embodiment, the shape of the sealing rubber plug 113 is set to a tubular structure with an opening at one end, which is convenient for placing the sealing rubber plug 113 into the installation tube 115. In addition, sealing rubber plug 113 is the tubular structure, and when taking a blood sample, the resistance that the passageway that forms in the tube-shape can also reduce blood sampling device and blood collection port 1111 intercommunication makes the passageway of taking a blood sample more smooth and easy, reduces the resistance of blood sampling process. And, the setting is equipped with the ring channel 1137 of open-ended terminal surface at sealed plug 113, when sealed plug 113 received the extrusion of external force and takes place deformation, forces ring channel 1137 and terminal surface parallel and level or protrusion and terminal surface to increase sealed plug 113's lifting surface area, improve sealed plug 113's sealing performance.
Referring to fig. 3, in an embodiment of the present invention, the end surface of the mounting seat 111 is further concavely provided with a mounting groove 1113, the fixing portion 1133 is inserted into the mounting groove 1113, and the fixing portion 1133 is fixedly connected to the groove side wall of the mounting groove 1113.
The utility model relates to an among the technical scheme of embodiment, through the concave mounting groove 1113 that is equipped with of terminal surface at mount pad 111, sealed plug 113 is equipped with in open-ended one end inserts mounting groove 1113, so, mounting groove 1113 can play spacing effect, can restrict sealed plug 113 and install relatively and take place to remove to can seal blood collection port 1111 after guaranteeing sealed plug 113 to fix. In addition, the accuracy in the assembling process of sealing rubber stopper 113 can also be improved in the setting of mounting groove 1113, has the effect of direction, improves the efficiency of assembly.
In an embodiment of the present invention, the extrusion slit 1135 traverses the extrusion portion 1131, and two ends of the extrusion slit 1135 extend toward the fixing portion 1133; the extrusion slits 1135 are linear; or the extrusion slit 1135 has a cross shape.
The utility model discloses an embodiment, the length of extrusion seam 1135 traverses the terminal surface setting of extrusion 1131 to, the both ends of extrusion seam 1135 can also extend to fixed part 1133 to the size that struts when convenient extrusion seam 1135 receives the extrusion satisfies the requirement of taking a blood sample.
In some embodiments, the extrusion slit 1135 of the linear type is the linear type, and the extrusion slit 1135 may be arranged in the middle of the end surface of the sealing rubber plug 113 deviating from the opening, the extrusion slit 1135 penetrates through the end surface of the sealing rubber plug 113, and the extrusion slit 1135 and the end surface of the sealing rubber plug 113 further extend to a certain length, so that the extrusion slit 1135 can be spread and communicated with the blood collection port 1111 in the process of receiving external force for extrusion.
In some embodiments, the extrusion slits 1135 can also be cross-shaped, and the cross-shaped extrusion slits 1135 are more easily opened when compressed by an external force.
Referring to fig. 1 to 3, in an embodiment of the present invention, the mounting cylinder 115 includes a connecting section 1151 and a fixing section 1153, the connecting section 1151 is connected to the end surface of the mounting seat 111, the fixing section 1153 is used for being connected to the blood sampling device, and the sealing rubber plug 113 abuts against the inner wall of the fixing section 1153.
The utility model discloses an among the technical scheme of an embodiment, through the structure that includes linkage segment 1151 and canned paragraph 1153 with installing cylinder 115 sets to it, and, canned paragraph 1153's external diameter will be less than linkage segment 1151's external diameter, so, make canned paragraph 1153 can with blood sampling device looks adaptation, in addition, linkage segment 1151's size is great, can also be when blood sampling device is connected with canned paragraph 1153, conveniently hold linkage segment 1151 with the hand, with the efficiency that improves blood sampling device and installing cylinder 115 and be connected.
Referring to fig. 1 to 3, in an embodiment of the present invention, the outer sidewall of the fixing section 1153 is provided with a connecting structure 1155, and the connecting structure 1155 is used for connecting with the blood sampling device.
The utility model discloses an among the technical scheme of an embodiment, this connection structure 1155 can be the screw thread that the lateral wall of an installation section of thick bamboo 115 set up, also can be the buckle of protruding the establishing at an installation section of thick bamboo 115 lateral wall, can also be the concave draw-in groove isotructure of establishing the formation of an installation section of thick bamboo 115 lateral wall. As long as the connection between the blood collection device and the mounting cylinder 115 can be achieved, which is not enumerated here. In this embodiment, by providing the connection structure 1155, the blood sampling device is conveniently connected to the blood sampling end 11, and the connection efficiency between the blood sampling device and the blood sampling end 11 is improved; meanwhile, the tightness of connection between the blood sampling device and the mounting cylinder 115 is ensured, and the blood sampling device is prevented from being separated from the mounting cylinder 115 to influence blood sampling operation.
Referring to fig. 1 to 3, in an embodiment of the present invention, the outer sidewall of the fixing section 1153 is further provided with a limiting step 1157, and the limiting step 1157 is disposed between the connecting structure 1155 and the connecting section 1151.
In this embodiment, the outer side wall of the fixing section 1153 is provided with a limiting step 1157, so that the connection between the blood sampling device and the mounting tube 115 can be limited, and the blood sampling device is prevented from being damaged due to excessive connection with the mounting tube 115, so as to protect the blood sampling device.
In an embodiment of the present invention, the mounting cylinder 115 is made of a transparent material.
The utility model relates to an among the technical scheme of an embodiment, an installation section of thick bamboo 115 is made by transparent material, so, is convenient for observe the sealed plug 113 that sets up in an installation section of thick bamboo 115 inside, and the installation of convenient sealed plug 113 also can in time make the adjustment when sealed plug 113 goes wrong.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. A three-way valve, comprising:
the blood sampling device comprises a three-way valve main body, a blood sampling valve and a control valve, wherein a containing cavity is formed inside the three-way valve main body, the three-way valve main body is provided with a blood sampling end, and the blood sampling end is provided with a blood sampling port communicated with the containing cavity; and
the sealing rubber plug is fixed in the blood sampling end, and right the blood sampling port is sealed, the sealing rubber plug is further provided with an extrusion seam, and when the blood sampling device is connected with the blood sampling end for sampling blood, the blood sampling device extrudes the extrusion seam, so that the extrusion seam is opened and communicated with the blood sampling port.
2. The three-way valve according to claim 1, wherein the blood sampling end comprises a mounting seat, the mounting seat is arranged on the surface of the three-way valve body in a protruding manner, and the blood sampling port is arranged on the end surface of the mounting seat;
the sealing rubber plug comprises an extrusion part and a fixing part, wherein the extrusion part is provided with the extrusion seam, the fixing part is convexly arranged on the periphery of the extrusion part, and the fixing part is connected with the mounting seat to enable the extrusion seam to be arranged opposite to the blood collection port.
3. The three-way valve according to claim 2, wherein the end surface of the mounting seat is further concavely provided with a mounting groove, the fixing part is inserted into the mounting groove, and the fixing part is fixedly connected to the groove side wall of the mounting groove.
4. A three-way valve according to claim 2, characterized in that the end surface of the sealing rubber plug facing the mounting seat is concavely provided with an annular groove.
5. The three-way valve according to claim 2, wherein the pressing slit traverses the pressing portion, and both ends of the pressing slit extend toward the fixing portion;
and/or the extrusion seam is linear; or the extrusion seam is in a cross shape.
6. A three-way valve according to any one of claims 2-5, characterized in that it further comprises a mounting cylinder, both ends of which communicate, one end of which is connected with the mounting seat;
the sealing rubber plug is at least partially inserted into the mounting cylinder and abutted against the inner wall of the mounting cylinder, the extrusion seam is arranged on the opening of the mounting cylinder deviating from the mounting seat, and the sealing rubber plug is connected to the mounting seat through the mounting cylinder.
7. The three-way valve according to claim 6, wherein the mounting cylinder comprises a connecting section and a fixing section which are connected, the connecting section is connected with the mounting seat, the fixing section is used for being connected with the blood sampling device, and the sealing rubber plug is abutted against the inner wall of the fixing section.
8. The three-way valve according to claim 7, characterized in that the outer side wall of the fixation section is provided with a connection structure for connection with the blood sampling device.
9. A three-way valve according to claim 8, characterized in that the outer side wall of the fixed section is further provided with a stop step, which is provided between the connection structure and the connection section.
10. A three-way valve according to any one of claims 7 to 9, characterized in that the mounting tube is made of a transparent material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921507980.9U CN211325072U (en) | 2019-09-10 | 2019-09-10 | Three-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921507980.9U CN211325072U (en) | 2019-09-10 | 2019-09-10 | Three-way valve |
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| Publication Number | Publication Date |
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| CN211325072U true CN211325072U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921507980.9U Active CN211325072U (en) | 2019-09-10 | 2019-09-10 | Three-way valve |
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| CN (1) | CN211325072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110448309A (en) * | 2019-09-10 | 2019-11-15 | 深圳安特医疗股份有限公司 | Triple valve |
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2019
- 2019-09-10 CN CN201921507980.9U patent/CN211325072U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110448309A (en) * | 2019-09-10 | 2019-11-15 | 深圳安特医疗股份有限公司 | Triple valve |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |