Positive pressure joint connector

Abstract

The utility model discloses a positive pressure joint connector, which comprises a connecting unit and a stabilizing unit, the connecting unit comprises a connector, an embedded ring is fixed on the inner wall of the connector, and a connecting pipe is fixed on the inner wall of the embedded ring. The annular sleeve and the annular pressing plate are moved in the direction close to the first annular plate, so that the elastic piece is compressed, then the syringe head is embedded into the connector, after the syringe head is embedded into the connector, the connecting pipe is embedded into the syringe head, then the annular pressing plate is loosened, the annular pressing plate is driven to move under resilience force of the elastic piece, and the syringe head is connected with the connector. When the positive pressure connector is installed, the annular pressing plate extrudes the hemispherical pressed block and drives the hemispherical pressed block, the moving block and the right trapezoid rubber block to move, the right trapezoid rubber block abuts against the outer side of the injector head, and therefore the firmness between the connector and the injector head is improved; the syringe head and the positive pressure connector are connected more firmly and are prevented from falling off.

Description

TECHNICAL FIELD

[0001] The utility model relates to connector technical field especially relates to a positive pressure connector. BACKGROUND

[0002] When infusion starts, the patient needs to draw back blood to confirm the patency of the catheter, which can check the infusion quality, such as whether the blood flow is unobstructed, whether the infusion pipeline is clean, etc., to ensure the quality and safety of infusion. If the catheter is not confirmed to be unobstructed before starting infusion, infusion abnormalities may occur. Drawing back blood and checking color, texture, flow rate, etc. can avoid safety risks caused by misinjection due to unclear blood vessel conditions. However, when drawing back blood, the syringe head is usually embedded into the positive pressure connector, and the friction between the two is small, which can easily cause the syringe head to fall off from the positive pressure connector during the blood drawing process, resulting in blood spillage and infection risks. SUMMARY

[0003] (I) Utility Model Objectives

[0004] Therefore, the utility model aims to provide a positive pressure connector, which solves the technical problem that the syringe head is usually embedded into the positive pressure connector, and the friction between the two is small, which can easily cause the syringe head to fall off from the positive pressure connector during the blood drawing process, resulting in blood spillage and infection risks.

[0005] (II) Technical Solutions

[0006] To achieve the above technical objectives, the utility model provides a positive pressure connector:

[0007] It includes a connection unit and a stable unit, the connection unit includes a connector, the inner wall of the connector is fixed with an embedded ring, the inner wall of the embedded ring is fixed with a connecting pipe, the stable unit includes a plurality of through grooves opened in the connector, the through groove is slidably connected with a moving block, the end of the moving block close to the connecting pipe is fixed with a right trapezoidal rubber block, the end of the moving block away from the connecting pipe is fixed with a hemispherical pressure receiving block, the outer side of the connector is provided with a driving assembly for driving the moving block and the right trapezoidal rubber block to move.

[0008] As a preferred scheme of the utility model, the through groove groove wall is provided with two guide grooves connected with the through groove, the outer side of the moving block is fixed with two guide blocks, and the guide blocks are slidably matched in the guide grooves.

[0009] As a preferred scheme of the utility model, the driving assembly includes two annular sleeves slidably matched on the outer side of the connector, and the annular sleeve is fixed on one side with an annular pressing plate for pressing the hemispherical pressure receiving block.

[0010] As a preferred scheme of the positive pressure connector, the connecting head is provided with an annular plate one on the outer side of the middle part, and the two annular sleeves and the annular pressing plate are respectively arranged on the two sides of the annular plate one.

[0011] As a preferred scheme of the positive pressure connector, the connecting head is provided with two elastic members on the outer side, one end of the elastic member is in abutment with the annular sleeve, and the other end of the elastic member is in abutment with the annular plate one.

[0012] As a preferred scheme of the positive pressure connector, the connecting head is provided with an annular plate one on the outer side of the middle part, and the two annular sleeves and the annular pressing plate are respectively arranged on the two sides of the annular plate one.

[0013] As a preferred scheme of the positive pressure connector, the connecting head is provided with an annular plate one on the outer side of the middle part, and the two annular sleeves and the annular pressing plate are respectively arranged on the two sides of the annular plate one.

[0014] As can be seen from the above technical scheme, the application has the following beneficial effects: moving the annular sleeve and the annular pressing plate towards the annular plate one, so that the elastic member is compressed, then embedding the syringe head into the connecting head, embedding the connecting pipe into the syringe head after the syringe head is embedded into the connecting head, then releasing the annular pressing plate, moving the annular pressing plate under the elastic recovery force of the elastic member, so that the annular pressing plate extrudes the hemispherical pressure block and drives the hemispherical pressure block, the moving block and the right-angled trapezoidal rubber block to move, so that the right-angled trapezoidal rubber block abuts against the outer side of the syringe head, thereby increasing the firmness between the connecting head and the syringe head, then installing the positive pressure connector in the above manner, so that the syringe head and the positive pressure connector are more firmly connected, and falling off between the two is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of the provided drawings.

[0016] Figure 1 The structure schematic view of the positive pressure connector provided by the present application is shown in the figure.

[0017] Figure 2 The structure schematic view of the positive pressure connector provided by the present application is shown in the figure.

[0018] Figure 3 The structure schematic view of the positive pressure connector provided by the present application is shown in the figure.Figure 2 Structure enlarged schematic view at middle A.

[0019] BRIEF DESCRIPTION OF DRAWINGS: 100, connecting unit; 101, connecting head; 102, embedded ring; 103, connecting pipe; 104, conical rubber sleeve; 105, annular rubber sleeve; 200, stabilizing unit; 201, through slot; 202, moving block; 203, right trapezoidal rubber block; 204, hemispherical pressure receiving block; 205, guide block; 206, guide slot; 207, annular sleeve; 208, annular pressing plate; 209, annular plate one; 210, elastic member; 211, annular plate two. DETAILED DESCRIPTION

[0020] The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, and uses. It should be understood that throughout the drawings, the same or like reference numerals are used to designate the same or like components and features. The various drawings merely schematically represent the ideas and principles of embodiments of the present disclosure and do not necessarily represent the specific dimensions thereof or the proportions thereof. Certain portions in certain drawings can be exaggerated to illustrate relevant details or structures of embodiments of the present disclosure.

[0021] REFERENCE Figures 1-3 :

[0022] For an embodiment of the present application, a positive pressure connector is provided, comprising a connecting unit 100 and a stabilizing unit 200, the connecting unit 100 comprising a connecting head 101, the inner wall of the connecting head 101 being fixed with an embedded ring 102, the inner wall of the embedded ring 102 being fixed with a connecting pipe 103, the stabilizing unit 200 comprising a plurality of through slots 201 formed in the connecting head 101, the through slots 201 being slidably connected with moving blocks 202, one end of the moving blocks 202 close to the connecting pipe 103 being fixed with right trapezoidal rubber blocks 203, one end of the moving blocks 202 away from the connecting pipe 103 being fixed with hemispherical pressure receiving blocks 204, the outer side of the connecting head 101 being provided with a driving assembly for driving the moving blocks 202 and the right trapezoidal rubber blocks 203 to move.

[0023] The slot wall of the through slot 201 is provided with two guide slots 206 communicated with the through slot 201, the outer side of the moving block 202 is fixed with two guide blocks 205, the guide blocks 205 are slidingly fitted in the guide slots 206, the driving assembly comprises two annular sleeves 207 slidingly fitted on the outer side of the connecting head 101, one side of the annular sleeve 207 is fixed with an annular pressing plate 208 used for extruding the hemispherical pressure block 204, the outer side of the middle part of the connecting head 101 is fixed with an annular plate one 209, the two annular sleeves 207 and the annular pressing plate 208 are respectively located on the two sides of the annular plate one 209, the outer side of the connecting head 101 is sleeved with two elastic members 210, one end of the elastic member 210 abuts against the annular sleeve 207, and the other end of the elastic member 210 abuts against the annular plate one 209.

[0024] In use, when the injector head and the positive pressure connector are connected, first, the annular sleeve 207 and the annular pressing plate 208 are moved towards the annular plate one 209, at this time, the annular sleeve 207 compresses the elastic member 210, when the annular pressing plate 208 no longer abuts against the hemispherical pressure block 204, then the injector head is embedded into the connecting head 101, when the injector head is embedded into the connecting head 101, the connecting pipe 103 is embedded into the injector head, and the outer side of the annular rubber sleeve 105 abuts against the inner wall of the injector head, thereby ensuring the sealing between the connecting pipe 103 and the injector head, then the annular pressing plate 208 is loosened, under the elastic force of the elastic member 210, the annular pressing plate 208 is driven to move, so that the annular pressing plate 208 extrudes the hemispherical pressure block 204 and drives the hemispherical pressure block 204, the moving block 202 and the right-angled trapezoidal rubber block 203 to move, so that the right-angled trapezoidal rubber block 203 abuts against the outer side of the injector head, thereby increasing the firmness between the connecting head 101 and the injector head, then the positive pressure connector is embedded into the connecting head 101 in the above manner, thereby increasing the firmness between the positive pressure connector and the connecting head 101, that is, the injector head and the positive pressure connector are connected through the device, and the connection is more firm, thereby avoiding falling off between the two.

[0025] In addition, the two sides of the connecting head 101 are fixed with annular plates two 211, and the diameter of the annular plate two 211 is greater than that of the annular pressing plate 208, the outer sides of the two ends of the connecting pipe 103 are fixed with the conical rubber sleeve 104 and the annular rubber sleeve 105, and the conical rubber sleeve 104 and the annular rubber sleeve 105 are fixed.

[0026] It should be noted that the elastic member 210 can use a spring or the like, and the elastic member 210 can abut against the hemispherical pressure block 204 in the normal state, so that the right-angled trapezoidal rubber block 203 and the injector head and the positive pressure connector in the connecting head 101 abut against each other. It should be noted that the side of the right-angled trapezoidal rubber block 203 away from the inner embedded ring 102 is an inclined side, so that when the injector head and the positive pressure connector are embedded into the connecting head 101, the injector head and the positive pressure connector are first pressed against the inclined side of the right-angled trapezoidal rubber block 203, so that the right-angled trapezoidal rubber block 203 is pressed and then moves into the through slot 201, thereby facilitating the embedding of the injector head and the positive pressure connector into the connecting head 101. Then, the movement of the annular pressing plate 208 drives the right-angled trapezoidal rubber block 203 to move towards the injector head and the positive pressure connector, so that the right-angled trapezoidal rubber block 203 abuts against the injector head and the positive pressure connector.

[0027] The above describes the exemplary embodiments of the scheme proposed by the present disclosure in detail with reference to the preferred embodiments, however, those skilled in the art can understand that various modifications and changes can be made to the above specific embodiments without departing from the concept of the present disclosure, and various technical features and structures proposed by the present disclosure can be combined without exceeding the protection scope of the present disclosure, and the protection scope of the present disclosure is determined by the appended claims.

Claims

1. A positive pressure coupling connector, characterized by, Include: Connecting unit (100), it includes the connecting head (101), the inner wall of connecting head (101) is fixed with the embedded ring (102), the inner wall of embedded ring (102) is fixed with the connecting pipe (103); Stable unit (200), it includes a plurality of through grooves (201) in connecting head (101), the through groove (201) is slidably connected with the moving block (202), the moving block (202) is fixed with the right trapezoidal rubber block (203) on one end close to connecting pipe (103), the moving block (202) is fixed with the hemispherical pressure block (204) on one end away from connecting pipe (103), the outer side of connecting head (101) is provided with the drive assembly for driving moving block (202), right trapezoidal rubber block (203) moves.

2. A positive pressure connector according to claim 1, wherein, The groove wall of the through groove (201) is provided with two guide grooves (206) connected with the through groove (201), the outer side of the moving block (202) is fixed with two guide blocks (205), and the guide blocks (205) are slidably fitted in the guide grooves (206).

3. A positive pressure connector according to claim 1, wherein, The drive assembly includes two annular sleeves (207) slidably fitted on the outer side of the connecting head (101), one side of the annular sleeve (207) is fixed with an annular pressing plate (208) for pressing the hemispherical pressure block (204).

4. A positive pressure connector according to claim 3, wherein, The outer side of the middle part of the connecting head (101) is fixed with an annular plate one (209), and the two annular sleeves (207) and the annular pressing plate (208) are respectively located on both sides of the annular plate one (209).

5. A positive pressure connector according to claim 4, wherein, The outer side of the connecting head (101) is provided with two elastic members (210), one end of the elastic member (210) abuts against the annular sleeve (207), and the other end of the elastic member (210) abuts against the annular plate one (209).

6. A positive pressure connector according to claim 3, wherein, The two sides of the connecting head (101) are fixed with annular plate two (211), and the diameter of annular plate two (211) is greater than the diameter of annular pressing plate (208).

7. A positive pressure connector according to claim 1, wherein, The outer side of the connecting pipe (103) is fixed with a conical rubber sleeve (104) and an annular rubber sleeve (105) at both ends, and the conical rubber sleeve (104) and the annular rubber sleeve (105) are fixed.

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