CN216319254U - Continuous positive pressure device - Google Patents
Continuous positive pressure device Download PDFInfo
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- CN216319254U CN216319254U CN202122574338.6U CN202122574338U CN216319254U CN 216319254 U CN216319254 U CN 216319254U CN 202122574338 U CN202122574338 U CN 202122574338U CN 216319254 U CN216319254 U CN 216319254U
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- positive pressure
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Abstract
The utility model discloses a continuous positive pressure device, which comprises a hose and a positive pressure shell, wherein a positive pressure adjusting device is arranged in the positive pressure shell, an adjusting and positioning device is arranged on the positive pressure adjusting device, and a reset switch and a positioning switch which are matched with the adjusting and positioning device are arranged on the positive pressure shell; the positive pressure shell comprises a shell, a conical adjusting cavity for the positive pressure adjusting device to be embedded and slide is arranged in the shell, and adjusting ports communicated with the conical adjusting cavity are formed in two sides of the shell; the positive pressure adjusting device comprises a conical movable block and two handheld push plates, an adjusting hole penetrates through the conical movable block, and two adjusting pressure columns are arranged in the adjusting hole; the continuous positive pressure device is simple in structure, convenient and practical, and the two adjusting pressure columns are enabled to be close to extrude the hose by adjusting the positive pressure adjusting device to move in the conical adjusting cavity, so that the hose is ensured to be in a positive pressure state.
Description
Technical Field
The utility model belongs to the field of medical consumables, and particularly relates to a continuous positive pressure device.
Background
In medical clinical transfusion, particularly for some patients who need frequent transfusion, the injection needle can be left in a blood vessel for a long time, and due to the exclusive mechanism of a human body, the surface of the injection needle tube can generate a blood coagulation phenomenon, and finally the problem of thrombus blocking the tube is caused; in order to reduce the occurrence of thrombus blockage, a nurse flushes the tube once every 6 to 8 hours, and then uses a positive pressure device to perform positive pressure tube sealing, although the prevention is performed by adopting a measure of flushing the tube at regular time, the occurrence of thrombus blockage can not be completely prevented, and the probability of tube blockage is still high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a continuous positive pressure device which is simple in structure, convenient and practical, and two adjusting pressure columns are close to each other to extrude a hose by adjusting the movement of a positive pressure adjusting device in a conical adjusting cavity so as to ensure that the hose is in a positive pressure state.
A continuous positive pressure device comprises a hose and a positive pressure shell, wherein a positive pressure adjusting device is arranged in the positive pressure shell, an adjusting and positioning device is arranged on the positive pressure adjusting device, and a reset switch and a positioning switch which are matched with the adjusting and positioning device are arranged on the positive pressure shell; the positive pressure shell comprises a shell, a conical adjusting cavity for the positive pressure adjusting device to be embedded and slide is arranged in the shell, and adjusting ports communicated with the conical adjusting cavity are formed in two sides of the shell; the positive pressure adjusting device comprises a conical movable block and two handheld push plates, an adjusting hole penetrates through the conical movable block, two adjusting pressure columns are arranged in the adjusting hole, two side faces of the conical movable block are connected with connecting rods, and one end of each connecting rod penetrates through a corresponding adjusting opening and is connected with the handheld push plate; the hose runs through between casing, toper movable block and two regulation compression legs, adjust compression leg and toper regulation intracavity wall cooperation.
Preferably, the adjusting and positioning device comprises a spring and a positioning column, one end of the positioning column is matched with the spring, and one end of the positioning column, which is close to the spring, is connected with a plurality of positioning hanging platforms in a surrounding manner; the conical movable block is provided with a positioning groove, the spring is arranged in the positioning groove, and a plurality of hanging platforms matched with the positioning hanging platforms are arranged in the positioning groove.
Preferably, reset switch and location switch all include the dead lever, be provided with the roof on the dead lever and overlap and be equipped with return spring, the casing is seted up and is supplied the spring groove of return spring location, the spring inslot is provided with the jack that communicates with the toper regulation chamber, dead lever one end runs through jack and reference column cooperation, be provided with on the spring groove with roof complex limiting plate.
Preferably, a hanging table ring is arranged in the positioning groove, and the hanging table is arranged on the inner wall of the hanging table ring.
Preferably, a plurality of positioning tooth grooves matched with the positioning columns are formed in the side walls of the conical adjusting cavities.
Preferably, the one end that the locating switch was kept away from in toper regulation chamber is provided with decides the magnetic block, the one end that the locating switch was kept away from to the toper movable block is provided with and decides the adsorption material that moves of magnetic block complex.
Preferably, the fixed magnetic block and the movable adsorbing material are made of magnets or neodymium iron boron.
Has the advantages that:
(1) the continuous positive pressure device is simple in structure, convenient and practical, and the two adjusting pressure columns are enabled to be close to extrude the hose by adjusting the positive pressure adjusting device to move in the conical adjusting cavity, so that the hose is ensured to be in a positive pressure state.
(2) According to the continuous positive pressure device, the reset switch and the positioning switch are used for controlling the adjusting and positioning device, so that the purpose of positioning the positive pressure adjusting device is achieved, and the phenomenon that an extruded hose is loosened and the positive pressure of the hose disappears due to the fact that the positive pressure adjusting device moves reversely in the using process is avoided.
Drawings
FIG. 1 is a schematic structural view of a positive pressure apparatus;
FIG. 2 is a schematic structural view of a positive pressure housing;
FIG. 3 is a schematic view of the adjusting and positioning device;
FIG. 4 is a schematic structural diagram of a positive pressure regulating device;
FIG. 5 is a schematic view of the structure at A in FIG. 2;
1-hose, 2-positive pressure shell, 21-shell, 22-conical adjusting cavity, 23-adjusting port, 24-fixed magnetic block, 25-positioning toothed groove, 3-positive pressure adjusting device, 31-conical movable block, 32-adjusting hole, 33-adjusting pressure column, 34-dynamic adsorbing material, 35-connecting rod, 36-handheld push plate, 37-positioning groove, 38-hanging table ring, 39-hanging table, 4-adjusting positioning device, 41-spring, 42-positioning column, 43-positioning hanging table, 5-reset switch, 51-fixed rod, 52-limiting plate, 53-top plate, 54-reset spring and 6-positioning switch.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1; a continuous positive pressure device comprises a hose 1 and a positive pressure shell 2, wherein a positive pressure adjusting device 3 is arranged in the positive pressure shell 2, an adjusting and positioning device 4 is arranged on the positive pressure adjusting device 3, and a reset switch 5 and a positioning switch 6 which are matched with the adjusting and positioning device 4 are arranged on the positive pressure shell 2; the positive pressure shell 2 comprises a shell 21, a conical adjusting cavity 22 for the positive pressure adjusting device 3 to be embedded and slide is arranged in the shell 21, and adjusting ports 23 communicated with the conical adjusting cavity 22 are formed in two sides of the shell 21; the positive pressure adjusting device 3 comprises a conical movable block 31 and two handheld push plates 36, an adjusting hole 32 penetrates through the conical movable block 31, two adjusting pressure columns 33 are arranged in the adjusting hole 32, two side faces of the conical movable block 31 are connected with connecting rods 35, and one end of each connecting rod 35 penetrates through a corresponding adjusting opening 23 and is connected with the handheld push plate 36; the hose 1 penetrates through the shell 21, the conical movable block 31 and the two adjusting pressure columns 33, and the adjusting pressure columns 33 are matched with the inner wall of the conical adjusting cavity 22; the adjusting and positioning device 4 comprises a spring 41 and a positioning column 42, one end of the positioning column 42 is matched with the spring 41, and one end of the positioning column 42, which is close to the spring 41, is connected with a plurality of positioning hanging platforms 43 in a surrounding manner; a positioning groove 37 is formed in the conical movable block 31, the spring 41 is arranged in the positioning groove 37, and a plurality of hanging platforms 39 matched with the positioning hanging platform 43 are arranged in the positioning groove 37; the reset switch 5 and the positioning switch 6 both comprise a fixed rod 51, a top plate 53 and a return spring 54 are arranged on the fixed rod 51 in a sleeved mode, a spring groove for positioning the return spring 54 is formed in the shell 21, an insertion hole communicated with the conical adjusting cavity 22 is formed in the spring groove, one end of the fixed rod 51 penetrates through the insertion hole to be matched with the positioning column 42, and a limiting plate 52 matched with the top plate 53 is arranged on the spring groove; a hanging table ring 38 is arranged in the positioning groove 37, and the hanging table 39 is arranged on the inner wall of the hanging table ring 38; a plurality of positioning tooth grooves 25 matched with the positioning columns 42 are formed in the side walls of the conical adjusting cavities 22; a fixed magnetic block 24 is arranged at one end of the conical adjusting cavity 22 far away from the positioning switch 6, and a movable adsorbing material 34 matched with the fixed magnetic block 24 is arranged at one end of the conical movable block 31 far away from the positioning switch 6; the fixed magnetic block (24) and the movable adsorbing material (34) are made of magnets or neodymium iron boron.
When the adjusting and positioning device 4 is locked and opened by the reset switch 5 and the positioning switch 6, the fixed rod 51 is pressed to enable the fixed rod 51 to push the positioning column 42, so that the positioning hanging table 43 on the positioning column 42 is matched with the hanging table 39, the positioning hanging table 43 is hung on the hanging table 39, at the moment, the positioning column 42 completely enters the positioning groove 37, and the conical movable block 31 can continue to move, for example, when the fixed rod 51 is pressed, the positioning column 42 is lowered again to enable the positioning column 42 to be staggered with the hanging table 39, so that the positioning column 42 is raised, the positioning column 42 is returned by the spring 41 when being raised, the fixed rod 51 drives the top plate 53 to be raised by the return spring 54 when being raised, the limiting plate 52 is used for limiting the top plate 53, and the principle of the adjusting and positioning device 4 is consistent with the principle that the pen point is pressed to extend and retract; the positioning tooth grooves 25 are arranged to be matched with the positioning columns 42 to position the conical movable block 31, so that the conical movable block 31 can be positioned at different positions in the conical adjusting cavity 22 and can only move towards the narrow end of the conical adjusting cavity 22; the positioning groove 37 is convenient to process by arranging the hanging ring 38, and the processing cost is reduced.
When the device is used, the positioning switch 6 is turned on, the fixed magnetic block 24 and the movable adsorbing material 34 make the positive pressure adjusting device 3 move slowly towards the fixed magnetic block 24 under the action of attraction, the adjusting pressure column 33 extrudes the hose 1 along with the movement of the positive pressure adjusting device 3, so that the space in the hose 1 is reduced, the positive pressure state is continuously maintained in the hose 1, the moving resistance of the adjusting pressure column 33 gradually increases when the adjusting pressure column 33 gradually extrudes the hose 1, the increased resistance and the magnetic attraction increased between the fixed magnetic block 24 and the movable adsorbing material 34 are approximately counteracted mutually, so that the positive pressure adjusting device 3 keeps the slow moving state all the time, finally the conical movable block 31 is positioned at the narrowest end of the conical adjusting cavity 22, the hose 1 is extruded until the inner wall is tightly attached to complete sealing, and the positive pressure adjusting device 3 is locked with the reset switch 5 through the adjusting and positioning device 4, completing one continuous positive pressure; the reset switch 5 is turned on, the positive pressure adjusting device 3 is in a movable state, the hand-held push plate 36 is manually pushed, the hand-held push plate 36 drives the connecting rod 35 to move, the connecting rod 35 drives the conical movable block 31 to move in the conical adjusting cavity 22, when the conical movable block 31 moves to the end of the positioning switch 6, the positioning switch 6 is turned off, the positive pressure adjusting device 3 is locked with the positioning switch 6 through the adjusting positioning device 4, the extruded hose 1 is smooth, after the medical personnel wash the hose, the positioning switch 6 is turned on, the positive pressure adjusting device 3 is in a movable state, the suction force of the adsorption material 34 can be driven through the fixed magnetic block 24 again, and the positive pressure adjusting device 3 is ensured to move to extrude the hose to generate continuous positive pressure; repeated operation can continuously generate positive pressure, so as to achieve the effect of preventing thrombus from blocking the tube.
The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the above-described embodiments. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, equivalent alterations and modifications are intended to be included within the scope of the utility model, without departing from the spirit and scope of the utility model.
Claims (7)
1. A continuous positive pressure apparatus, comprising: the device comprises a hose (1) and a positive pressure shell (2), wherein a positive pressure adjusting device (3) is arranged in the positive pressure shell (2), an adjusting and positioning device (4) is arranged on the positive pressure adjusting device (3), and a reset switch (5) and a positioning switch (6) which are matched with the adjusting and positioning device (4) are arranged on the positive pressure shell (2); the positive pressure shell (2) comprises a shell (21), a conical adjusting cavity (22) for the positive pressure adjusting device (3) to be embedded and slide is arranged in the shell (21), and adjusting ports (23) communicated with the conical adjusting cavity (22) are formed in two sides of the shell (21); the positive pressure adjusting device (3) comprises a conical movable block (31) and two handheld push plates (36), an adjusting hole (32) penetrates through the conical movable block (31), two adjusting pressure columns (33) are arranged in the adjusting hole (32), two side faces of the conical movable block (31) are connected with connecting rods (35), and one end of each connecting rod (35) penetrates through a corresponding adjusting opening (23) and is connected with the handheld push plate (36); the hose (1) runs through between casing (21), toper movable block (31) and two regulation compression legs (33), adjust compression leg (33) and toper regulation chamber (22) inner wall cooperation.
2. A continuous positive pressure apparatus according to claim 1, wherein: the adjusting and positioning device (4) comprises a spring (41) and a positioning column (42), one end of the positioning column (42) is matched with the spring (41), and one end, close to the spring (41), of the positioning column (42) is connected with a plurality of positioning hanging platforms (43) in a surrounding mode; the conical movable block (31) is provided with a positioning groove (37), the spring (41) is arranged in the positioning groove (37), and a plurality of hanging platforms (39) matched with the positioning hanging platform (43) are arranged in the positioning groove (37).
3. A continuous positive pressure apparatus according to claim 2, wherein: reset switch (5) and positioning switch (6) all include decide pole (51), it is provided with roof (53) and cover on pole (51) to decide is equipped with return spring (54), the spring groove that supplies return spring (54) location is seted up in casing (21), the spring inslot is provided with the jack that communicates with toper regulation chamber (22), decide pole (51) one end and run through jack and reference column (42) cooperation, be provided with on the spring groove with roof (53) complex limiting plate (52).
4. A continuous positive pressure apparatus according to claim 3, wherein: a hanging table ring (38) is arranged in the positioning groove (37), and the hanging table (39) is arranged on the inner wall of the hanging table ring (38).
5. The continuous positive pressure apparatus of claim 4, wherein: the side wall of the conical adjusting cavity (22) is provided with a plurality of positioning tooth grooves (25) matched with the positioning columns (42).
6. The continuous positive pressure apparatus of claim 5, wherein: one end of the conical adjusting cavity (22) far away from the positioning switch (6) is provided with a fixed magnetic block (24), and one end of the conical movable block (31) far away from the positioning switch (6) is provided with a movable adsorbing material (34) matched with the fixed magnetic block (24).
7. The continuous positive pressure apparatus of claim 6, wherein: the fixed magnetic block (24) and the movable adsorbing material (34) are made of magnets or neodymium iron boron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122574338.6U CN216319254U (en) | 2021-10-25 | 2021-10-25 | Continuous positive pressure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122574338.6U CN216319254U (en) | 2021-10-25 | 2021-10-25 | Continuous positive pressure device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216319254U true CN216319254U (en) | 2022-04-19 |
Family
ID=81180680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122574338.6U Active CN216319254U (en) | 2021-10-25 | 2021-10-25 | Continuous positive pressure device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216319254U (en) |
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2021
- 2021-10-25 CN CN202122574338.6U patent/CN216319254U/en active Active
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