CN219094934U

CN219094934U - Catheter fixing device

Info

Publication number: CN219094934U
Application number: CN202320241347.XU
Authority: CN
Inventors: 黄曦; 周燕; 贺永刚
Original assignee: Second Affiliated Hospital Army Medical University
Current assignee: Second Affiliated Hospital Army Medical University
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-05-30
Anticipated expiration: 2033-02-17

Abstract

The utility model relates to the technical field of catheter fixing, and particularly discloses a catheter fixing device which comprises a base, wherein a screw is arranged above the base, two ends of the screw are connected with sliding blocks in a threaded manner, the sliding blocks are of rectangular plate-shaped structures, the side walls around the sliding blocks are fixedly connected with first rotating bases, one end, far away from the sliding blocks, of each first rotating base is rotatably connected with a rotating plate, one end, far away from the first rotating base, of each rotating plate is rotatably connected with a second rotating base, a bottom plate is arranged between the two groups of second rotating bases, and two ends, facing one surface of the screw, of the bottom plate are respectively fixedly connected with the two groups of second rotating bases. This pipe fixing device realizes the inside extrusion of pipe fixed from a plurality of directions through setting up multiunit backup pad, improves fixed stability, can also fix the pipe of different radiuses simultaneously, improves the suitability of device, and compares in the mode of fixing the centre gripping from the outside, avoids occupying the outer surface area of pipe, and the development of follow-up process of being convenient for improves the efficiency of construction operation.

Description

Catheter fixing device

Technical Field

The utility model relates to the technical field of catheter fixing, and particularly discloses a catheter fixing device.

Background

With the continuous development of society, people often use metal materials in life production, wherein the metal conduit is generally used as an industrial conduit, and the metal conduit is mainly used for concrete pouring conduits in use scenes such as large bridge projects, middle iron projects, highway projects, hydropower projects, high-rise foundations and the like.

The pipe production and processing in-process need carry out fixed centre gripping to it, and current fixing device is usually from the outside of pipe centre gripping, and fixed clamping device can laminate on the outer wall of pipe, when carrying out processing to whole pipe outer wall, need adjust the fixed position of pipe, dismantle fixing device then fix once more, and the operation is more troublesome, has increased staff's working strength, reduces production and processing's efficiency. Accordingly, it is desirable to invent a catheter securement device that addresses the above-described issues.

Disclosure of Invention

The present utility model is directed to a catheter fixing device, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pipe fixing device, includes the base, the top of base is provided with the lead screw, the equal threaded connection in both ends of lead screw has the slider, the slider is rectangular platy structure, the equal fixedly connected with first swivel mount of lateral wall all around of slider, the one end that the slider was kept away from to first swivel mount rotates and is connected with the swivel plate, the one end that the first swivel mount was kept away from to the swivel plate rotates and is connected with the second swivel mount, is provided with the bottom plate between two sets of second swivel mounts, the both ends of bottom plate orientation lead screw one side are fixed connection respectively on two sets of second swivel mounts.

Preferably, the screw threads at the two ends of the screw rod are opposite in direction.

Preferably, a supporting plate is arranged on one side, back to the screw rod, of the bottom plate, the supporting plate is of an arc-shaped structure, and one surface, facing the bottom plate, of the supporting plate is set to be a concave surface.

Preferably, the backup pad all is provided with buffer assembly towards the both ends of bottom plate one side, buffer assembly includes extensible member and spring, the one end fixed connection of extensible member is in the backup pad, the other end fixed connection of extensible member is on the bottom plate, the spring suit is in the outside of extensible member, the one end fixed connection of spring is in the backup pad, the other end fixed connection of spring is on the bottom plate.

Preferably, a control assembly is further arranged between the supporting plate and the bottom plate, the control assembly comprises electric contact rods and electric contact plates, the electric contact rods are fixedly connected to one face, facing the supporting plate, of the bottom plate, the electric contact plates are fixedly connected to one face, facing the bottom plate, of the supporting plate, and the electric contact rods and the electric contact plates are correspondingly distributed.

Preferably, a rubber pad is adhered to one surface of the supporting plate, which is opposite to the bottom plate.

Preferably, the upper surface fixedly connected with riser of base, the lead screw rotates to be connected on the riser, one side of riser dorsad lead screw is provided with the motor, motor fixed connection is on the riser, lead screw fixed connection is on the drive shaft of motor.

Preferably, one surface of the vertical plate facing the screw rod is fixedly connected with a U-shaped frame, and one group of sliding blocks are slidably connected in the U-shaped frame.

Preferably, one end of the screw rod, which is far away from the vertical plate, is fixedly connected with a limiting block.

The utility model has the technical effects and advantages that:

1. the lead screw is inserted into the inside of pipe together with multiunit backup pad, the motor rotates and drives the lead screw and rotate, the slider that the lead screw rotated and drives both ends removes in opposite directions, the slider removes the one end that makes the swivel plate keep away from first swivel mount outwards opens, make four groups bottom plates open outwards simultaneously, the bottom plate makes the backup pad laminating on the inner wall of pipe through buffer assembly's extensible member and spring, accomplish the fixing to the pipe from the pipe is inside, it is fixed to set up multiunit backup pad realization and extrude the pipe inside from a plurality of directions, improve fixed stability, simultaneously can also fix the pipe of different radiuses, improve the suitability of device, and compare in the mode of fixing the centre gripping from outside, avoid occupying the outer surface area of pipe, the development of follow-up process of being convenient for, improve the efficiency of construction operation.

Drawings

FIG. 1 is a schematic view of a catheter-fastening device according to the present utility model.

FIG. 2 is a schematic view of a portion of a catheter securement device of the present utility model.

FIG. 3 is a schematic view of the structure of the support plate, the bottom plate, the buffer assembly and the control assembly of the present utility model.

FIG. 4 is a schematic view of the U-shaped frame structure of the present utility model.

In the figure: 1. a base; 2. a screw rod; 3. a first swivel mount; 4. a rotating plate; 5. a second swivel mount; 6. a bottom plate; 7. a support plate; 8. a telescoping member; 9. a spring; 10. an electrical contact rod; 11. an electrical contact plate; 12. a rubber pad; 13. a U-shaped frame; 14. a limiting block; 15. a vertical plate; 16. a motor; 17. a sliding block.

Detailed Description

The technical solutions in the embodiments of the present utility model will be made clear below in conjunction with the drawings in the embodiments of the present utility model; it will be apparent that the embodiments described are only some, but not all, of the embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a catheter fixing device as shown in fig. 1-4, which comprises a base 1, wherein the base 1 is provided with a large weight, so that the stability of catheter fixing is improved. The top of base 1 is provided with lead screw 2, and the screw thread direction at lead screw 2 both ends is opposite, and lead screw 2 rotates slider 17 at drive both ends and removes in opposite directions or dorsad, and then realizes fixing the pipe from the pipe inside, can also fix the pipe of different radiuses simultaneously, improves the suitability of device. Both ends of the lead screw 2 are connected with sliding blocks 17 in a threaded manner, the sliding blocks 17 are of a rectangular plate-shaped structure, the side walls of the periphery of the rectangular plate-shaped structure can be fixedly provided with first rotating seats 3, the inside of the guide pipe is extruded and fixed from multiple directions, and the fixing stability is improved. The side wall all around of slider 17 is fixedly connected with first swivel mount 3, and the one end rotation that slider 17 was kept away from to first swivel mount 3 is connected with swivel plate 4, and the one end rotation that first swivel mount 3 was kept away from to swivel plate 4 is connected with second swivel mount 5, is provided with bottom plate 6 between two sets of second swivel mount 5, and bottom plate 6 is used for supporting backup pad 7 through buffer assembly. Two ends of the bottom plate 6 facing one surface of the screw rod 2 are respectively and fixedly connected to two groups of second rotary seats 5.

The upper surface fixedly connected with riser 15 of base 1, lead screw 2 rotate and connect on riser 15, and riser 15 is provided with motor 16 in the one side of lead screw 2 dorsad, and motor 16 rotates and drives lead screw 2 and rotate, and then drives slider 17 at both ends and move in opposite directions or dorsad, and then realizes fixing the pipe from inside the pipe. The motor 16 is fixedly connected to the vertical plate 15, and the screw rod 2 is fixedly connected to a driving shaft of the motor 16.

Specifically, lead screw 2 inserts the inside of pipe with multiunit backup pad 7, starter motor 16, motor 16 rotates and drives lead screw 2 and rotate, lead screw 2 rotates and drives the slider 17 at both ends and move in opposite directions, slider 17 removes the one end that makes revolving plate 4 keep away from first swivel mount 3 opens to the outside, make four group's bottom plates 6 open to the outside simultaneously, bottom plate 6 makes backup pad 7 laminating on the inner wall of pipe through buffer assembly's telescopic part 8 and spring 9, accomplish and fix the pipe from inside, set up multiunit backup pad 7 and realize from a plurality of directions to the inside extrusion of pipe is fixed, improve fixed stability, simultaneously can also fix the pipe of different radiuses, improve the suitability of device, and compare in the mode of fixing the centre gripping from the outside, avoid occupying the outer surface area of pipe, the development of follow-up process of being convenient for, improve the efficiency of construction operation.

In order to improve the stability of fixing, one side of the bottom plate 6, which is back to the screw rod 2, is provided with a supporting plate 7, and the supporting plate 7 is of an arc-shaped structure, and the arc-shaped structure can enable the supporting plate 7 to be better attached to the arc-shaped inner wall of the guide pipe. The side of the support plate 7 facing the bottom plate 6 is provided as a concave surface.

Considering that the support plate 7 possibly scratches the inner wall of the conduit when pressing the inner wall of the conduit, a rubber pad 12 is adhered to the surface of the support plate 7 facing away from the bottom plate 6.

When in actual use, the corners of the first swivel mount 3, the swivel plate 4, the second swivel mount 5, the bottom plate 6, the limiting block 14 and the sliding block 17 are all set to round corner structures, so that damage to the inner wall of the catheter is avoided.

Considering that the support plate 7 may cause deformation of the guide tube in the process of pressing the inner wall of the guide tube, the two ends of the support plate 7 facing the bottom plate 6 are provided with buffer components, and the buffer components comprise telescopic pieces 8 and springs 9. The cushioning assembly cushions the support plate 7 during the extrusion process to prevent deformation of the catheter. One end fixed connection of extensible member 8 is in backup pad 7, and the other end fixed connection of extensible member 8 is on bottom plate 6, and spring 9 suit is in the outside of extensible member 8, and the one end fixed connection of spring 9 is in backup pad 7, and the other end fixed connection of spring 9 is on bottom plate 6. When the supporting plate 7 extrudes the inner wall of the catheter, the telescopic piece 8 and the spring 9 shrink and buffer, and meanwhile, the stability of fixation can be improved.

In order to further ensure that the support plate 7 is pressed without causing deformation of the catheter, a control assembly is further arranged between the support plate 7 and the bottom plate 6, the control assembly comprises an electric contact rod 10 and an electric contact plate 11, and the control assembly can control the motor 16 to stop running according to the contraction position of the buffer assembly. The electric contact rods 10 are fixedly connected to one surface of the bottom plate 6 facing the supporting plate 7, the electric contact plates 11 are fixedly connected to one surface of the supporting plate 7 facing the bottom plate 6, and the electric contact rods 10 and the electric contact plates 11 are correspondingly distributed. When the supporting plate 7 extrudes the inner wall of the catheter, the telescopic piece 8 and the spring 9 shrink and buffer, and when the telescopic piece is contracted to a certain extent, the electric contact plate 11 is contacted with the electric contact rod 10, the motor 16 is controlled to stop running, the supporting plate 7 stops expanding outwards, and the catheter deformation is avoided.

The one side of riser 15 towards lead screw 2 fixedly connected with U type frame 13, wherein a set of slider 17 sliding connection is in the inside of U type frame 13. The U-shaped frame 13 prevents the sliding blocks 17 from rotating during the rotation of the screw rod 2, and the sliding blocks 17 at the two ends move in opposite directions or back to back.

One end of the screw rod 2, which is far away from the vertical plate 15, is fixedly connected with a limiting block 14, and the limiting block 14 is used for limiting the moving position of the sliding block 17.

Claims

1. Catheter securement device comprising a base (1), characterized in that: the top of base (1) is provided with lead screw (2), the equal threaded connection in both ends of lead screw (2) has slider (17), slider (17) are rectangle platelike structure, the equal fixedly connected with of lateral wall around slider (17) is first swivel mount (3), the one end that slider (17) was kept away from to first swivel mount (3) is rotated and is connected with swivel plate (4), the one end that first swivel mount (3) was kept away from to swivel plate (4) is rotated and is connected with second swivel mount (5), is provided with bottom plate (6) between two sets of second swivel mount (5), the both ends of bottom plate (6) towards lead screw (2) one side are fixed connection respectively on two sets of second swivel mount (5).

2. A catheter securement device as defined in claim 1, wherein: the screw threads at the two ends of the screw rod (2) are opposite in direction.

3. A catheter securement device as defined in claim 1, wherein: one side of bottom plate (6) dorsad lead screw (2) is provided with backup pad (7), backup pad (7) are arc-shaped structure, one side of backup pad (7) towards bottom plate (6) sets up to the sunk surface.

4. A catheter securement device according to claim 3, wherein: the utility model discloses a flexible electric energy storage device, including backup pad (7), spring (9) and spring (7), backup pad (6) are all provided with the buffer assembly towards the both ends of bottom plate (6) one end of one side, the one end fixed connection of expansion piece (8) is on backup pad (7), the other end fixed connection of expansion piece (8) is on bottom plate (6), spring (9) suit is in the outside of expansion piece (8), the one end fixed connection of spring (9) is on backup pad (7), the other end fixed connection of spring (9) is on bottom plate (6).

5. A catheter securement device as defined in claim 4, wherein: still be provided with control assembly between backup pad (7) and bottom plate (6), control assembly includes electric feeler lever (10) and electric touch board (11), electric feeler lever (10) fixed connection is in the one side of bottom plate (6) towards backup pad (7), electric touch board (11) fixed connection is in the one side of backup pad (7) towards bottom plate (6), electric feeler lever (10) correspond with electric touch board (11) and distribute.

6. A catheter securement device as defined in claim 5, wherein: one surface of the supporting plate (7) back to the bottom plate (6) is adhered with a rubber pad (12).

7. A catheter securement device as defined in claim 1, wherein: the novel screw rod is characterized in that a vertical plate (15) is fixedly connected to the upper surface of the base (1), the screw rod (2) is rotationally connected to the vertical plate (15), a motor (16) is arranged on one side, back to the screw rod (2), of the vertical plate (15), the motor (16) is fixedly connected to the vertical plate (15), and the screw rod (2) is fixedly connected to a driving shaft of the motor (16).

8. A catheter securement device as defined in claim 7, wherein: one surface of the vertical plate (15) facing the screw rod (2) is fixedly connected with a U-shaped frame (13), and a group of sliding blocks (17) are slidably connected in the U-shaped frame (13).

9. A catheter securement device as defined in claim 8, wherein: one end of the screw rod (2) far away from the vertical plate (15) is fixedly connected with a limiting block (14).