CN218076007U - Medical three-way valve with good tightness - Google Patents
Medical three-way valve with good tightness Download PDFInfo
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- CN218076007U CN218076007U CN202220741412.0U CN202220741412U CN218076007U CN 218076007 U CN218076007 U CN 218076007U CN 202220741412 U CN202220741412 U CN 202220741412U CN 218076007 U CN218076007 U CN 218076007U
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- connecting pipe
- sealing rubber
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- way valve
- valve body
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Abstract
The utility model discloses a medical three-way valve that seal is good, including the valve body, establish the case on the valve body and establish the three connecting pipe on the valve body, wherein two all be equipped with the protective cap on the connecting pipe, be equipped with the cardboard on the protective cap, be equipped with the inserted bar on the cardboard, the inserted bar stretches into in the connecting pipe to be connected with the sealing rubber circle, is located be equipped with on the inserted bar and be used for supporting tight sealing rubber circle support tight mechanism, the utility model discloses a screw the protective cap and make the inserted bar stretch into in the connecting pipe, cooperate the sealing rubber circle to seal in the connecting pipe, make the sealing rubber circle support tightly stably with the connecting pipe through the setting that supports tight mechanism, guarantee sealed effect.
Description
Technical Field
The utility model relates to a medical three-way valve technical field specifically is a medical three-way valve that the seal is good.
Background
The medical three-way valve is a medical article which is used for intravenous injection or transfusion and blood transfusion of patients and is often matched with other medical instruments for use, and is widely applied to clinic; the medical three-way valve can input different kinds of liquid medicine through one transfusion passage, and one or more medical three-way valves can be used at one time according to the treatment requirement.
The existing medical three-way valve connecting pipe has poor tightness, and the connection between the sealing ring and the connecting pipe is not tight enough, so that the use safety of the medical three-way valve is influenced, and therefore, the design of the medical three-way valve with good tightness is necessary.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a medical three-way valve that the seal is good to solve the problem that proposes in the above-mentioned background art.
In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a medical three-way valve that leakproofness is good, includes the valve body, establishes the case on the valve body and establishes three connecting pipe on the valve body, wherein two all be equipped with the protective cap on the connecting pipe, be equipped with the cardboard on the protective cap, be equipped with the inserted bar on the cardboard, the inserted bar stretches into in the connecting pipe to be connected with the sealing rubber circle, is located be equipped with the tight mechanism that supports that is used for supporting tight sealing rubber circle on the inserted bar, make the inserted bar stretch into in the connecting pipe through the protective cap of screwing, cooperate the sealing rubber circle to seal in the connecting pipe, make the sealing rubber circle support tightly stably with the connecting pipe through the setting that supports tight mechanism, guarantee sealed effect.
In a further embodiment, the abutting mechanism comprises an adjusting cavity arranged on the inserting rod, a screw rod is arranged in the adjusting cavity, the end of the screw rod penetrates through the inserting rod to be connected with a rotating head arranged on the clamping plate, a plurality of sliding blocks are connected to the screw rod in a threaded mode, two pushing rods are arranged on the sliding blocks, one ends of the two pushing rods are hinged to the sliding blocks, the other ends of the two pushing rods are hinged to the two mounting seats respectively, abutting blocks used for abutting against the sealing rubber ring are arranged on the mounting seats, the rotating head is rotated to drive the screw rod to rotate, the sliding blocks are further driven to move on the screw rod, the abutting blocks on the mounting seats are further pushed to move through the pushing rods, the sealing rubber ring is abutted tightly, and the sealing effect is improved.
In a further embodiment, the insertion rod is provided with a moving hole matched with the abutting block, and the abutting block can be conveniently moved through the moving hole.
In a further embodiment, a liquid guide channel is formed in the connecting pipe, a liquid guide port communicated with the liquid guide channel is formed in the joint of the valve body and the connecting pipe, the outer surface of the sealing rubber ring is closely matched with the liquid guide channel, liquid guide is carried out through matching of the liquid guide port and the liquid guide channel, and the sealing rubber ring carries out sealing operation on the liquid guide channel.
In a further embodiment, the inner wall of the protective cap forms an internal thread, wherein two of the connecting pipes are provided with an external thread matched with the internal thread in a threaded manner, and the connection between the protective cap and the connecting pipes is facilitated through the matching of the internal thread and the external thread.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is: make the inserted bar stretch into in the connecting pipe through the protective cap of screwing, cooperate the sealing rubber circle to seal in the connecting pipe, turn round through rotating and drive the screw rod and rotate, and then drive the slider and remove on the screw rod, and then promote the tight piece of support on the mount pad through the push rod and remove, support tightly the sealing rubber circle, and then make the sealing rubber circle support tightly stably with the connecting pipe, improve sealed effect.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an overall sectional view of the present invention;
FIG. 3 is a schematic view of the installation structure of the inserted link and the sealing rubber ring of the present invention;
the reference signs are: the valve comprises a valve body 1, a valve core 2, a connecting pipe 3, a protective cap 4, a liquid guide port 5, a liquid guide channel 6, an external thread 7, an internal thread 8, a clamping plate 9, an inserted link 10, a sealing rubber ring 11, an adjusting cavity 12, a screw 13, a rotary head 14, a sliding block 15, a push rod 16, an installation seat 17 and a butting block 18.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a medical three-way valve that seal is good, including valve body 1, establish case 2 on valve body 1 and establish three connecting pipe 3 on valve body 1, wherein all be equipped with protective cap 4 on two connecting pipes 3, be equipped with cardboard 9 on the protective cap 4, be equipped with inserted bar 10 on the cardboard 9, inserted bar 10 stretches into in the connecting pipe 3 and is connected with sealing rubber circle 11, be located to be equipped with on the inserted bar 10 and be used for supporting tight sealing rubber circle 11 support tight mechanism, make inserted bar 10 stretch into in the connecting pipe 3 through the protective cap 4 of screwing, cooperation sealing rubber circle 11 seals in the connecting pipe 3, make sealing rubber circle 11 support tight stability with connecting pipe 3 through supporting tight setting up of mechanism, guarantee sealed effect.
Further, support tight mechanism including seting up the regulation chamber 12 on inserted bar 10, be equipped with screw rod 13 in the regulation chamber 12, screw rod 13 tip passes inserted bar 10 and is connected with the turn 14 of establishing on cardboard 9, threaded connection has a plurality of slider 15 on being located screw rod 13, be equipped with two push rods 16 on the slider 15, two push rod 16 one ends all are articulated with slider 15, two push rod 16 other ends are articulated with two mount pads 17 respectively, be equipped with the tight piece 18 that supports that is used for supporting tight sealing rubber circle 11 on the mount pad 17, turn 14 through rotating and drive screw rod 13 and rotate, and then drive slider 15 and move on screw rod 13, and then promote the tight piece 18 that supports on the mount pad 17 through push rod 16 and remove, support tight sealing rubber circle 11, improve sealed effect.
Furthermore, the inserted link 10 is provided with a moving hole matched with the abutting block 18, and the abutting block 18 can be conveniently moved through the moving hole.
Further, a liquid guide channel 6 is formed in the connecting pipe 3, a liquid guide port 5 communicated with the liquid guide channel 6 is formed in the joint of the valve body 1 and the connecting pipe 3, the outer surface of the sealing rubber ring 11 is tightly matched with the liquid guide channel 6 in a sticking mode, liquid guide is carried out through the matching of the liquid guide port 5 and the liquid guide channel 6, and the sealing rubber ring 11 is used for sealing the liquid guide channel 6.
Furthermore, the inner wall of the protective cap 4 forms an internal thread 8, wherein two connecting pipes 3 are provided with an external thread 7 in threaded fit with the internal thread 8, and the internal thread 8 is matched with the external thread 7, so that the protective cap 4 is conveniently connected with the connecting pipes 3.
The working principle is as follows: the plug rod 10 extends into the connecting pipe 3 by screwing the protective cap 4, the sealing rubber ring 11 is matched to seal the connecting pipe 3, the rotating head 14 is rotated to drive the screw rod 13 to rotate, the sliding block 15 is driven to move on the screw rod 13, the pushing rod 16 is used for pushing the abutting block 18 on the mounting seat 17 to move, the sealing rubber ring 11 is abutted tightly, the sealing rubber ring 11 and the connecting pipe 3 are abutted stably, and the sealing effect is improved.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be modified to perform various equivalent transformations, which all belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a medical three-way valve that leakproofness is good, includes valve body (1), establishes case (2) on valve body (1) and establishes three connecting pipe (3) on valve body (1), its characterized in that: the sealing rubber ring is characterized in that the two connecting pipes (3) are provided with protective caps (4), each protective cap (4) is provided with a clamping plate (9), each clamping plate (9) is provided with an inserting rod (10), each inserting rod (10) extends into each connecting pipe (3) and is connected with the corresponding sealing rubber ring (11), and each inserting rod (10) is provided with a clamping mechanism for clamping the corresponding sealing rubber ring (11).
2. The medical three-way valve with good tightness according to claim 1, characterized in that: the clamping mechanism comprises an adjusting cavity (12) formed in an insert rod (10), a screw rod (13) is arranged in the adjusting cavity (12), the end of the screw rod (13) penetrates through the insert rod (10) to be connected with a rotating head (14) formed in a clamping plate (9), a plurality of sliding blocks (15) are in threaded connection with the screw rod (13), two push rods (16) are arranged on the sliding blocks (15), one ends of the two push rods (16) are hinged to the sliding blocks (15), the other ends of the two push rods (16) are hinged to two mounting seats (17) respectively, and clamping blocks (18) used for clamping the sealing rubber ring (11) are arranged on the mounting seats (17).
3. The medical three-way valve with good tightness according to claim 2, characterized in that: the inserted bar (10) is provided with a moving hole matched with the abutting block (18).
4. The medical three-way valve with good tightness according to claim 1, characterized in that: a liquid guide channel (6) is formed in the connecting pipe (3), a liquid guide opening (5) communicated with the liquid guide channel (6) is formed in the joint of the valve body (1) and the connecting pipe (3), and the outer surface of the sealing rubber ring (11) is closely matched with the liquid guide channel (6).
5. The medical three-way valve with good tightness according to claim 1, characterized in that: the inner wall of the protective cap (4) forms an internal thread (8), wherein two of the connecting pipes (3) are provided with external threads (7) which are in threaded fit with the internal thread (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220741412.0U CN218076007U (en) | 2022-04-01 | 2022-04-01 | Medical three-way valve with good tightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220741412.0U CN218076007U (en) | 2022-04-01 | 2022-04-01 | Medical three-way valve with good tightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218076007U true CN218076007U (en) | 2022-12-20 |
Family
ID=84458461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220741412.0U Active CN218076007U (en) | 2022-04-01 | 2022-04-01 | Medical three-way valve with good tightness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218076007U (en) |
-
2022
- 2022-04-01 CN CN202220741412.0U patent/CN218076007U/en active Active
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