Card tube mechanism and heat sealing card holder

Abstract

The utility model provides a kind of pipe clamping mechanism and hot-pressing clamp. Pipe clamping mechanism includes base, first pipe clamping arm, second pipe clamping arm and reset piece, the lower end of first pipe clamping arm is fixedly installed in base or is integrated with base structure, the lower end of second pipe clamping arm is rotatably installed in base, first pipe clamping arm and second pipe clamping arm are oppositely arranged, the upper end of first pipe clamping arm and the upper end of second pipe clamping arm form the bayonet, the inner side wall of the middle end of first pipe clamping arm and the middle end of second pipe clamping arm is concave inward and forms pipe groove, two pipe grooves are enclosed into pipe clamping space, external catheter can enter and exit pipe clamping space through bayonet;Reset piece is installed in base or first pipe clamping arm and is connected with second pipe clamping arm, and reset piece makes second pipe clamping arm always have the tendency of approaching first pipe clamping arm. Hot-pressing clamp includes clamp frame body, hot-pressing module, driving mechanism and pipe clamping mechanism. The present application realizes the purpose of catheter easy to take and place.

Description

Technical Field

[0001] This utility model relates to the field of blood bag sealing technology, and more specifically, to a tube clamping mechanism and heat sealing clamp. Background Technology

[0002] Hospitals and blood banks use specialized plastic bags to store blood during collection. These bags have PVC tubing attached, through which blood enters and exits the bag. Once blood is inside the bag, the tubing is sealed with heat-sealing clamps to prevent contamination. To secure the tubing, positioning beads are typically installed on both the fixed and movable heat-sealing rods to limit displacement. However, considerable force is required to pry open the positioning beads to engage the tubing in the heat-sealing clamps, and equally considerable force is needed to remove the tubing. Utility Model Content

[0003] The purpose of this application is to overcome the shortcomings of the commonly used heat-sealing clamps in the market, as mentioned in the background art, which make it difficult to clamp pipes, and to provide a pipe clamping mechanism and heat-sealing clamps.

[0004] The present application addresses the above problems through the following technical solutions.

[0005] This embodiment provides a tube clamping mechanism, including a base, a first tube clamping arm, a second tube clamping arm, and a reset member. The lower end of the first tube clamping arm is fixedly installed on the base or is an integral structure with the base. The lower end of the second tube clamping arm is rotatably installed on the base. The first tube clamping arm and the second tube clamping arm are arranged opposite to each other. A clamping slot is formed between the upper ends of the first tube clamping arm and the upper ends of the second tube clamping arm. The inner sidewalls of the middle ends of the first tube clamping arm and the middle ends of the second tube clamping arm are both recessed inward to form tube grooves. The two tube grooves enclose a tube clamping space, through which an external conduit can enter and exit the tube clamping space. The reset member is installed on the base or the first tube clamping arm and connected to the second tube clamping arm. The reset member ensures that the second tube clamping arm always tends to move closer to the first tube clamping arm.

[0006] In some embodiments, the upper end of the first tube clamping arm has a guide slope facing the side of the second tube clamping arm, and the guide slope connects with the tube groove of the first tube clamping arm; and / or, The upper end of the second clamping arm has a guide slope facing the side of the first clamping arm, and the guide slope is connected to the groove of the second clamping arm.

[0007] In some embodiments, the upper end of the second tube clamping arm protrudes outward toward the side of the first tube clamping arm to form a guide arc surface, and the guide arc surface connects with the tube groove of the second tube clamping arm; and / or, The upper end of the first tube clamping arm protrudes outward toward the side of the second tube clamping arm to form a guide arc surface, which connects with the tube groove of the first tube clamping arm.

[0008] In some embodiments, a guide bearing is rotatably mounted between the upper and middle ends of the second tube clamping arm. The guide bearing protrudes toward the clamping slot and the tube clamping space, and the rotation axis of the guide bearing is parallel to the length direction of the external conduit placed in the tube clamping space.

[0009] In some implementations, the groove is arc-shaped, and the groove opening diameter is smaller than the outer diameter of the external conduit.

[0010] In some embodiments, the upper and middle ends of the first clamping arm transition towards the sidewall of the second clamping arm with a chamfer, and the upper and middle ends of the second clamping arm transition towards the sidewall of the first clamping arm with a chamfer.

[0011] In some embodiments, the reset element is a compression spring. The upper or middle end of the second tube clamping arm has a countersunk hole away from the side wall of the first tube clamping arm. The base has a spring fixing seat and a set screw fixedly installed on the spring fixing seat. The compression spring is installed in the countersunk hole. One end of the compression spring abuts against the second tube clamping arm, and the other end of the compression spring abuts against the set screw.

[0012] In some embodiments, the reset element is a tension spring, with one end of the tension spring fixedly connected to the first tube clamping arm and the other end of the tension spring fixedly connected to the second tube clamping arm.

[0013] In some embodiments, it includes two sets of parallel-spaced first clamping arms, a second clamping arm, and a reset element for common clamping.

[0014] This embodiment also provides a heat-sealing clamp, including a clamp frame, a heat-sealing module for heat-sealing an external conduit, and a drive mechanism. It also includes a tube-clamping mechanism as described in any of the above embodiments. The heat-sealing module and the tube-clamping mechanism are mounted on the clamp frame. The heat-sealing module includes a fixed heat-sealing rod and a movable heat-sealing rod. The fixed heat-sealing rod is located between two sets of first tube-clamping arms, and the movable heat-sealing rod is located between two sets of second tube-clamping arms. A heat-sealing position for placing an external conduit is formed between the fixed heat-sealing rod and the movable heat-sealing rod. The drive mechanism pushes the movable heat-sealing rod closer to the fixed heat-sealing rod.

[0015] The beneficial effect of this application is to achieve easy insertion and removal of catheters. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0017] Figure 1This is a schematic diagram of the structure of one embodiment of the card management mechanism of this application; Figure 2 for Figure 1 Diagram showing the usage status of the carding mechanism in the middle; Figure 3 for Figure 1 A schematic diagram of the tube clamping mechanism from another perspective; Figure 4 for Figure 1 Exploded view of the tube clamping mechanism in the diagram; Figure 5 This is a schematic diagram of the structure of an embodiment of the heat-sealing caliper of this application. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model. In the description of the present utility model, it should be noted that unless otherwise explicitly specified and limited, the terms "installed," "located in," and "connected" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in the present utility model can be understood according to the specific circumstances.

[0019] refer to Figure 1-4As shown in the illustrated embodiment, the tube clamping mechanism includes a base 1, a first tube clamping arm 2, a second tube clamping arm 3, and a reset member 5. The first tube clamping arm 2 and the base 1 are an integral structure. In other embodiments, the first tube clamping arm 2 and the base 1 are designed separately, and the lower end of the first tube clamping arm 2 can be fixedly installed on the base 1. The lower end of the second tube clamping arm 3 is rotatably installed in the groove of the base 1 by means of a pin 4. The first tube clamping arm 2 and the second tube clamping arm 3 are arranged opposite to each other, and a clamping opening for the tube to enter and exit is formed between the upper ends of the first tube clamping arm 2 and the upper ends of the second tube clamping arm 3. The inner sidewalls of the middle ends of the first tube clamping arm 2 and the middle ends of the second tube clamping arm 3 are both recessed inward to form tube grooves. The tube grooves 21 of the first tube clamping arm 2 and the tube grooves 31 of the second tube clamping arm 3 enclose a tube clamping space for fastening the tube, and the tube can enter and exit the tube clamping space through the clamping opening. A reset element 5 (such as a compression spring) is mounted on the base 1 and connected to the second clamping arm 3. The reset element 5 ensures that the upper middle end of the second clamping arm 3 always tends to move closer to the upper middle end of the first clamping arm 2. In other embodiments, the reset element 5 (such as a tension spring) is mounted on the first clamping arm 2 and connected to the second clamping arm 3. The reset element 5 ensures that the upper middle end of the second clamping arm 3 always tends to move closer to the upper middle end of the first clamping arm 2. During operation, the conduit is pushed open by the clamping slot of the second clamping arm 3 (the second clamping arm 3 rotates, and the upper middle end of the second clamping arm 3 moves away from the upper middle end of the first clamping arm 2) and falls into the clamping space. Subsequently, the reset element 5 presses the second clamping arm 3 (the second clamping arm 3 rotates in the opposite direction, and the upper middle end of the second clamping arm 3 moves closer to the upper middle end of the first clamping arm 2), and the conduit is secured in the clamping space. When removing the conduit, the conduit is pushed open by the second clamping arm 3 (the second clamping arm 3 rotates, and the upper middle end of the second clamping arm 3 moves away from the upper middle end of the first clamping arm 2) and disengages through the clamping slot. To achieve the goal of easy insertion and removal of catheters.

[0020] In the illustrated embodiment, the upper end of the first clamping arm 2, facing the side of the second clamping arm 3, forms a guide slope 22, which connects to the groove 21 of the first clamping arm 2. The upper end of the second clamping arm 3, facing the side of the first clamping arm 2, protrudes outward to form a guide arc surface 32, which connects to the groove 31 of the second clamping arm 3. The guide slope 22 and the guide arc surface 32 make the clamping opening gradually smaller from top to bottom, facilitating the entry of the external conduit into the clamping space. In other embodiments, the upper end of the second clamping arm 3, facing the side of the first clamping arm 2, forms a guide slope 22, which connects to the groove 31 of the second clamping arm 3. The upper end of the first clamping arm 2, facing the side of the second clamping arm 3, protrudes outward to form a guide arc surface 32, which connects to the groove 21 of the first clamping arm 2.

[0021] In the illustrated embodiment, the tube groove is arc-shaped, and the groove opening diameter is smaller than the outer diameter of the external conduit to secure the conduit. The upper end (i.e., guide ramp 22) and middle end (i.e., the tube groove 21 of the first tube clamping arm 2) transition towards the side wall of the second tube clamping arm 3 with a chamfer 23. Similarly, the upper end (i.e., guide arc surface 32) and middle end (i.e., the tube groove 31 of the second tube clamping arm 3) transition towards the side wall of the first tube clamping arm 2 with a chamfer 33. This design allows the conduit to smoothly enter and exit the clamping space, reducing obstruction.

[0022] In the illustrated embodiment, a guide bearing 6 is rotatably mounted between the upper and middle ends of the second tube clamping arm 3. The guide bearing 6 protrudes towards the clamping slot and the tube clamping space, and the rotation axis of the guide bearing 6 is parallel to the length direction of the external conduit placed in the tube clamping space. During operation, the conduit enters through the clamping slot, and guided by the guide bearing 6, it can more smoothly push open the second tube clamping arm 3 and fall into the tube clamping space. The reset member 5 presses the second tube clamping arm 3, and the conduit is clamped and secured in the tube clamping space. When removing the conduit, the conduit is guided by the guide bearing 6 to push open the second tube clamping arm 3 and detach from the clamping slot. The guide bearing 6 reduces the frictional resistance between the conduit and the first tube clamping arm 2 and the second tube clamping arm 3 during the process of the conduit entering the tube clamping space, realizing easy placement and removal of the conduit.

[0023] exist Figure 3 and Figure 4 In the illustrated embodiment, the reset element 5 is a compression spring 5. A countersunk hole 34 is formed on the upper or middle end of the second clamping arm 3, away from the side wall of the first clamping arm 2. The base 1 has a spring fixing seat 11 and a set screw 12 fixedly mounted on the spring fixing seat 11. The compression spring 5 is installed in the countersunk hole 34, with one end abutting against the second clamping arm 3 and the other end abutting against the set screw 12. The compression spring 5 ensures that the second clamping arm 3 always tends to move closer to the first clamping arm 2. In other embodiments, the reset element 5 is a tension spring, with one end fixedly connected to the first clamping arm 2 and the other end fixedly connected to the second clamping arm 3.

[0024] In the illustrated embodiment, the tube clamping mechanism includes two sets of parallel and spaced-apart first tube clamping arms 2, second tube clamping arms 3, and a reset member 5, which respectively clamp the two parts of the tube to improve the stability of the tube clamping.

[0025] refer to Figure 5As shown, the heat-sealing caliper in the illustrated embodiment includes a caliper frame 7, a heat-sealing module 8 for heat-sealing an external conduit, and a drive mechanism (not shown in the figure). It also includes a tube-clamping mechanism as described in any of the above embodiments. The heat-sealing module 8 and the tube-clamping mechanism are mounted on the caliper frame 7. The heat-sealing module includes a fixed heat-sealing rod 81 and a movable heat-sealing rod 82. The fixed heat-sealing rod 81 is located between two sets of first tube-clamping arms 2, and the movable heat-sealing rod 82 is located between two sets of second tube-clamping arms 3. A heat-sealing position for placing an external conduit is formed between the fixed heat-sealing rod 81 and the movable heat-sealing rod 82. The drive mechanism pushes the movable heat-sealing rod 82 closer to the fixed heat-sealing rod 81.

[0026] The above are merely preferred embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural modifications made based on the concept of this utility model and the description and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this utility model.

Claims

1. A tube clamping mechanism, characterized in that, The device includes a base, a first clamping arm, a second clamping arm, and a reset component. The lower end of the first clamping arm is fixedly mounted on the base or is integrally formed with the base. The lower end of the second clamping arm is rotatably mounted on the base. The first and second clamping arms are arranged opposite to each other, and a clamping slot is formed between the upper ends of the first and second clamping arms. The inner sidewalls of the middle ends of the first and second clamping arms are recessed inward to form a tube groove. The two tube grooves enclose a clamping space, through which an external conduit can enter and exit the clamping space. The reset component is mounted on the base or the first clamping arm and connected to the second clamping arm. The reset component ensures that the second clamping arm always tends to move closer to the first clamping arm.

2. The tube clamping mechanism as described in claim 1, characterized in that, The upper end of the first tube clamping arm has a guide slope facing the side of the second tube clamping arm, and the guide slope connects to the tube groove of the first tube clamping arm; and / or, The upper end of the second tube clamping arm has a guide slope facing the side of the first tube clamping arm, and the guide slope is connected to the tube groove of the second tube clamping arm.

3. The tube clamping mechanism as described in claim 1, characterized in that, The upper end of the second tube clamping arm protrudes outward toward the side of the first tube clamping arm to form a guide arc surface, and the guide arc surface connects with the tube groove of the second tube clamping arm; and / or, The upper end of the first tube clamping arm protrudes outward toward the side of the second tube clamping arm to form a guide arc surface, which is connected to the tube groove of the first tube clamping arm.

4. The tube clamping mechanism as described in claim 1, characterized in that, A guide bearing is rotatably mounted between the upper and middle ends of the second tube clamping arm. The guide bearing protrudes toward the clamping opening and the tube clamping space, and the rotation axis of the guide bearing is parallel to the length direction of the external conduit placed in the tube clamping space.

5. The tube clamping mechanism as described in claim 1, characterized in that, The groove is arc-shaped, and the groove opening diameter is smaller than the outer diameter of the external conduit.

6. The tube clamping mechanism as described in claim 1, characterized in that, The upper and middle ends of the first clamping arm transition towards the sidewall of the second clamping arm with a chamfer, and the upper and middle ends of the second clamping arm transition towards the sidewall of the first clamping arm with a chamfer.

7. The tube clamping mechanism as described in claim 1, characterized in that, The reset component is a compression spring. The upper or middle end of the second tube clamping arm has a countersunk hole away from the side wall of the first tube clamping arm. The base has a spring fixing seat and a set screw fixedly installed on the spring fixing seat. The compression spring is installed in the countersunk hole. One end of the compression spring abuts against the second tube clamping arm, and the other end of the compression spring abuts against the set screw.

8. The tube clamping mechanism as described in claim 1, characterized in that, The reset component is a tension spring, one end of which is fixedly connected to the first tube clamping arm, and the other end of which is fixedly connected to the second tube clamping arm.

9. The tube clamping mechanism as described in any one of claims 1-8, characterized in that, It includes two sets of parallel and spaced-apart first tube clamping arms, second tube clamping arms, and the reset member for common tube clamping.

10. A heat-sealing caliper, characterized in that, The device includes a caliper frame, a heat-sealing module for heat-sealing an external conduit, and a drive mechanism. It also includes a tube-clamping mechanism as described in claim 9. The heat-sealing module and the tube-clamping mechanism are mounted on the caliper frame. The heat-sealing module includes a fixed heat-sealing rod and a movable heat-sealing rod. The fixed heat-sealing rod is located between two sets of first tube-clamping arms, and the movable heat-sealing rod is located between two sets of second tube-clamping arms. A heat-sealing position for placing an external conduit is formed between the fixed heat-sealing rod and the movable heat-sealing rod. The drive mechanism pushes the movable heat-sealing rod closer to the fixed heat-sealing rod.

Images