Guide wire head end hardness testing device

Abstract

The utility model discloses a hardness testing device for a guide wire head end, which relates to the field of guide wire testing devices and comprises a base and a connecting component, a bearing support is fixedly mounted at the top of the base, fixing plates are symmetrically mounted on the back of the bearing support up and down, and a driving motor is mounted on the back of the bearing support. According to the hardness testing device for the head end of the guide wire, an arc-shaped sliding block is arranged, so that an annular limiting sleeve is convenient for a worker to lift and move along the outer surface of a clamp; when a worker loosens the annular limiting sleeve, the annular limiting sleeve can automatically move to the original position to automatically clamp and fix the guide wire mounted in the clamp, so that the purpose of conveniently and quickly replacing the guide wire is achieved; therefore, the situation that the testing efficiency of a worker is interfered due to the fact that the worker needs to spend a long time to replace the guide wire when detecting the head end of the guide wire is avoided.

Description

Technical Field

[0001] The utility model relates to the field of guide wire testing devices, in particular to a guide wire tip hardness testing device. Background Art

[0002] The guidewire tip hardness tester is used to measure the hardness of the guidewire tip, which is crucial to ensuring the performance and safety of the guidewire in medical procedures such as vascular intervention. Since the tip hardness of the guidewire directly affects its ability to penetrate tissue, maneuverability in curved blood vessels, and reduction of damage to the blood vessel wall, accurate measurement of the guidewire tip hardness is crucial.

[0003] However, the current testing device still has some shortcomings. For example, the steps for replacing the guide wire of the existing testing device are relatively cumbersome, which causes the staff to spend a long time to replace the guide wire when inspecting the guide wire tip, thereby causing certain interference to the staff's testing efficiency and resulting in certain usage defects.

[0004] Therefore, it is urgent to improve this shortcoming. The present invention studies and improves the existing structural deficiencies and provides a guide wire tip hardness testing device. Utility Model Content

[0005] The purpose of the present invention is to provide a guide wire tip hardness testing device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a guide wire tip hardness testing device, comprising a base and a connecting assembly, a bearing bracket is fixedly installed on the top of the base, and a fixing plate is symmetrically installed on the back of the bearing bracket, and a driving motor is installed on the back of the bearing bracket, and the output shaft of the driving motor is installed with a driving screw through a coupling, the connecting assembly is slidably connected to the inner side of the bearing bracket, and the bottom of the connecting assembly is fixedly connected to the mounting plate, and the bottom of the mounting plate is fixedly installed with a force sensor, and the bottom of the force sensor is fixedly connected to a connecting frame, and a clamp is installed on the bottom of the connecting frame, a limiting hole is provided inside the clamp, and the outer surface of the upper end of the clamp is fixedly connected to a ring-shaped bearing plate, and the outside of the clamp is movably connected to a locking assembly, the top of the base is fixedly installed with a support assembly, and the end of the support assembly is fixedly connected to a display screen.

[0007] Furthermore, the connecting assembly includes a connecting plate, a cross-shaped slider, a connecting mechanism and a T-shaped slider, and the inner side of the connecting plate is fixedly connected to the cross-shaped slider, and the end of the cross-shaped slider is fixedly installed with a connecting mechanism, and the interior of the connecting mechanism is movably connected to the side of the driving screw, and at the same time, the T-shaped slider is symmetrically installed on the inner side of the connecting plate.

[0008] Furthermore, the inner side of the connecting plate is fixedly connected to the end of the T-shaped slider, and the connecting plate forms a sliding structure with the supporting bracket through the T-shaped slider.

[0009] Furthermore, the locking assembly includes an annular limiting sleeve, an elastic reset mechanism and an arc-shaped slider, and the elastic reset mechanism is installed at equal distances in an annular shape on the top of the annular limiting sleeve, and the arc-shaped slider is symmetrically installed on the inner surface of the annular limiting sleeve.

[0010] Furthermore, the bottom of the elastic reset mechanism is fixedly connected to the top of the annular limiting sleeve, and the top of the elastic reset mechanism is fixedly connected to the bottom of the annular supporting plate, and the annular limiting sleeve forms an elastic structure with the annular supporting plate through the elastic reset mechanism.

[0011] Furthermore, the inner surface of the annular limiting sleeve is fixedly connected to the outer surface of the arc-shaped slider, and the annular limiting sleeve forms a sliding structure through the arc-shaped slider and the clamp.

[0012] Furthermore, a bearing seat is fixedly mounted on the top of the base, and the bearing seat is arranged parallel to and directly below the clamp.

[0013] Furthermore, the support assembly includes a support base, a support column and a connecting seat, and the support column is fixedly installed on the top of the support base, and the top of the support column is fixedly connected to the connecting seat, and the inner side of the connecting seat is fixedly connected to the back of the display screen.

[0014] The utility model provides a guide wire tip hardness testing device, which has the following beneficial effects:

[0015] 1. The utility model provides an arc-shaped slider, so that the annular limit sleeve is convenient for the staff to move up and down along the outer surface of the clamp, and the elastic reset mechanism is provided, so that when the staff releases the annular limit sleeve, it can automatically move back to its original position to automatically clamp and fix the guide wire installed in the clamp, thereby achieving the purpose of facilitating the rapid replacement of the guide wire, thereby avoiding the situation where the staff needs to spend a long time to replace the guide wire when testing the guide wire tip, which causes the staff's testing efficiency to be disturbed.

[0016] 2. The utility model provides a driving screw, so that the driving motor can drive the connecting assembly to move stably up and down along the outer surface of the supporting bracket during operation, so that the device can automatically and quickly perform hardness testing on the guide wire head end, thereby improving the detection efficiency of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front three-dimensional structure of a guide wire tip hardness testing device of the present invention;

[0018] Figure 2 This is a rear perspective structural diagram of a guide wire tip hardness testing device according to the present invention;

[0019] Figure 3 This is a schematic diagram of the disassembled three-dimensional structure of a fixture-annular limiting sleeve of a guide wire tip hardness testing device of the present invention.

[0020] In the figure: 1. Base; 2. Load-bearing bracket; 3. Fixing plate; 4. Driving motor; 5. Driving screw; 6. Connecting assembly; 61. Connecting plate; 62. Cross-shaped slider; 63. Connecting mechanism; 64. T-shaped slider; 7. Mounting plate; 8. Force sensor; 9. Connecting frame; 10. Clamp; 11. Limiting hole; 12. Annular load-bearing plate; 13. Locking assembly; 131. Annular limiting sleeve; 132. Elastic reset mechanism; 133. Arc-shaped slider; 14. Load-bearing seat; 15. Support assembly; 151. Support base plate; 152. Support column; 153. Connecting seat; 16. Display screen. DETAILED DESCRIPTION

[0021] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0022] like Figure 1-Figure 3As shown, a guide wire tip hardness testing device includes a base 1 and a connecting component 6, a load-bearing bracket 2 is fixedly installed on the top of the base 1, the connecting component 6 is slidably connected to the inner side of the load-bearing bracket 2, and the bottom of the connecting component 6 is fixedly connected to a mounting plate 7, and a force sensor 8 is fixedly installed on the bottom of the mounting plate 7, and the bottom of the force sensor 8 is fixedly connected to a connecting frame 9, and a clamp 10 is installed on the bottom of the connecting frame 9, and a limiting hole 11 is provided inside the clamp 10, and an annular load-bearing plate 12 is fixedly connected to the outer surface of the upper end of the clamp 10, and a locking component 13 is movably connected to the outside of the clamp 10, and the locking component 13 includes an annular limiting sleeve 131, an elastic reset mechanism 132 and an arc-shaped slider 133, and the top of the annular limiting sleeve 131 is annularly and equidistantly installed with the elastic reset mechanism 132, and the bottom of the elastic reset mechanism 132 is equidistantly connected to the annular limiting The top of the sleeve 131 is fixedly connected, and the top of the elastic reset mechanism 132 is fixedly connected to the bottom of the annular carrier plate 12, and the annular limit sleeve 131 forms an elastic structure with the annular carrier plate 12 through the elastic reset mechanism 132. By setting the annular limit sleeve 131 and the annular carrier plate 12 as an elastic structure, the annular limit sleeve 131 can automatically move back to its original position to clamp and limit the guide wire when the staff releases it, and the inner surface of the annular limit sleeve 131 is symmetrically installed with an arc-shaped slider 133, the inner surface of the annular limit sleeve 131 is fixedly connected to the outer surface of the arc-shaped slider 133, and the annular limit sleeve 131 forms a sliding structure with the clamp 10 through the arc-shaped slider 133. By setting the annular limit sleeve 131 and the clamp 10 as a sliding structure, the annular limit sleeve 131 is convenient for the staff to move up and down along the outer surface of the clamp 10.

[0023] like Figure 1 and Figure 2As shown, a load-bearing bracket 2 is fixedly installed on the top of the base 1, and a fixing plate 3 is symmetrically installed on the back of the load-bearing bracket 2, and a driving motor 4 is installed on the back of the load-bearing bracket 2, and the output shaft of the driving motor 4 is installed with a driving screw 5 through a coupling, and a connecting component 6 is slidably connected to the inner side of the load-bearing bracket 2, and the connecting component 6 includes a connecting plate 61, a cross-shaped slider 62, a connecting mechanism 63 and a T-shaped slider 64, and the inner side of the connecting plate 61 is fixedly connected to the cross-shaped slider 62, and the end of the cross-shaped slider 62 is fixedly installed with a connecting mechanism 63, and the interior of the connecting mechanism 63 is movably connected to the side of the driving screw 5, and at the same time, a T-shaped slider 64 is symmetrically installed on the inner side of the connecting plate 61, and the inner side of the connecting plate 61 is fixedly connected to the end of the T-shaped slider 64, and the connecting The plate 61 forms a sliding structure with the supporting bracket 2 through the T-shaped slider 64. By setting the connecting plate 61 and the supporting bracket 2 as a sliding structure, the connecting plate 61 is smoother and more stable when it is raised and lowered along the outer surface of the supporting bracket 2. The top of the base 1 is fixedly installed with a support assembly 15, and the support assembly 15 includes a supporting bottom plate 151, a support column 152 and a connecting seat 153. The top of the supporting bottom plate 151 is fixedly installed with a support column 152, and the top of the support column 152 is fixedly connected to the connecting seat 153, and the inner side of the connecting seat 153 is fixedly connected to the back of the display screen 16. The top of the base 1 is fixedly installed with a supporting seat 14, and the supporting seat 14 is arranged parallel to and directly below the clamp 10, and the end of the support assembly 15 is fixedly connected to the display screen 16.

[0024] In summary, the guide wire tip hardness testing device first Figures 1 to 3 When the guide wire is installed, the staff turns on the driving motor 4, and the driving motor 4 starts to run, and drives the driving screw 5 to rotate inside the fixed plate 3. At this time, through the connection of the connecting mechanism 63 and the sliding of the cross-shaped slider 62 and the T-shaped slider 64, the connecting plate 61 drives the mounting plate 7 to move downward along the outer surface of the supporting bracket 2, so that the clamp 10 drives the guide wire head end to move toward the top of the supporting seat 14. As the clamp 10 moves downward, the hardness test is performed. At this time, the value detected by the force sensor 8 is automatically displayed on the display screen 16.

[0025] The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications.

Claims

1. A guide wire tip hardness testing device, comprising a base (1) and a connecting assembly (6), characterized in that: The top of the base (1) is fixedly mounted with a bearing bracket (2), and the back of the bearing bracket (2) is symmetrically mounted with a fixing plate (3), and the back of the bearing bracket (2) is mounted with a driving motor (4), and the output shaft of the driving motor (4) is mounted with a driving screw (5) through a coupling, the connecting assembly (6) is slidably connected to the inner side of the bearing bracket (2), and the bottom of the connecting assembly (6) is fixedly connected with a mounting plate (7), and the bottom of the mounting plate (7) is fixedly mounted with a force sensor (8). ), and the bottom of the force sensor (8) is fixedly connected to a connecting frame (9), and a clamp (10) is installed at the bottom of the connecting frame (9), a limiting hole (11) is provided inside the clamp (10), and the upper outer surface of the clamp (10) is fixedly connected to an annular bearing plate (12), and the outside of the clamp (10) is movably connected to a locking component (13), and a support component (15) is fixedly installed on the top of the base (1), and the end of the support component (15) is fixedly connected to a display screen (16).

2. A guide wire tip hardness testing device according to claim 1, characterized in that: The connecting assembly (6) includes a connecting plate (61), a cross-shaped slider (62), a connecting mechanism (63) and a T-shaped slider (64), and the inner side of the connecting plate (61) is fixedly connected to the cross-shaped slider (62), and the end of the cross-shaped slider (62) is fixedly installed with the connecting mechanism (63), and the interior of the connecting mechanism (63) is movably connected to the side of the driving screw rod (5), and the T-shaped slider (64) is symmetrically installed on the inner side of the connecting plate (61).

3. A guide wire tip hardness testing device according to claim 2, characterized in that: The inner side of the connecting plate (61) is fixedly connected to the end of the T-shaped slider (64), and the connecting plate (61) forms a sliding structure with the supporting bracket (2) through the T-shaped slider (64).

4. A guide wire tip hardness testing device according to claim 1, characterized in that: The locking assembly (13) comprises an annular limiting sleeve (131), an elastic reset mechanism (132) and an arc-shaped slider (133), and the elastic reset mechanism (132) is installed in an annular shape and equidistantly on the top of the annular limiting sleeve (131), and the arc-shaped slider (133) is symmetrically installed on the inner surface of the annular limiting sleeve (131).

5. A guide wire tip hardness testing device according to claim 4, characterized in that: The bottom of the elastic reset mechanism (132) is fixedly connected to the top of the annular limiting sleeve (131), and the top of the elastic reset mechanism (132) is fixedly connected to the bottom of the annular supporting plate (12), and the annular limiting sleeve (131) forms an elastic structure with the annular supporting plate (12) through the elastic reset mechanism (132).

6. A guide wire tip hardness testing device according to claim 4, characterized in that: The inner surface of the annular limiting sleeve (131) is fixedly connected to the outer surface of the arc-shaped slider (133), and the annular limiting sleeve (131) forms a sliding structure with the clamp (10) through the arc-shaped slider (133).

7. A guide wire tip hardness testing device according to claim 1, characterized in that: A bearing seat (14) is fixedly mounted on the top of the base (1), and the bearing seat (14) is arranged parallel to and directly below the clamp (10).

8. A guide wire tip hardness testing device according to claim 1, characterized in that: The support assembly (15) comprises a support base plate (151), a support column (152) and a connecting seat (153), wherein the top of the support base plate (151) is fixedly mounted with the support column (152), the top end of the support column (152) is fixedly connected with the connecting seat (153), and the inner side of the connecting seat (153) is fixedly connected to the back side of the display screen (16).

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