CN219978007U - Medical stainless steel needle tube connection firmness test tensile testing machine - Google Patents
Medical stainless steel needle tube connection firmness test tensile testing machine Download PDFInfo
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- CN219978007U CN219978007U CN202320132794.1U CN202320132794U CN219978007U CN 219978007 U CN219978007 U CN 219978007U CN 202320132794 U CN202320132794 U CN 202320132794U CN 219978007 U CN219978007 U CN 219978007U
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- needle tube
- stainless steel
- steel needle
- test
- seat
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 84
- 239000010935 stainless steel Substances 0.000 title claims abstract description 84
- 238000012360 testing method Methods 0.000 title claims abstract description 68
- 238000009864 tensile test Methods 0.000 title claims abstract description 20
- 238000013016 damping Methods 0.000 claims abstract description 35
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 abstract description 3
- 239000003814 drug Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a medical stainless steel needle tube connection firmness test tensile testing machine, which comprises a bracket, the test lower carriage, set up the tension sensor on the support through elevating system can reciprocate, set up the test upper seat on tension sensor, install needle tubing clamping device on one of test upper seat and the test lower carriage, install the accessory damping device that acts on stainless steel needle tube accessory on another of test upper seat and the test lower carriage, needle tubing clamping device presss from both sides the stainless steel needle tube body, accessory damping device places stainless steel needle tube accessory in accessory damping device, elevating system vertically upwards moves the test upper seat, apply outside drawing force to stainless steel needle tube body or stainless steel needle tube accessory, until both break away from, limit drawing force value when the tension sensor received breaks away from then is its firm in connection numerical value, compare this numerical value with firmness standard table and can accomplish the test to medical stainless steel needle tube connection firmness, easy operation, the test is accurate.
Description
Technical Field
The utility model relates to a tensile testing machine for testing connection firmness of a medical stainless steel needle tube.
Background
With the continuous development of clinical medicine, minimally invasive treatment is increasingly favored by clinicians and patients, and more operations for clinically performing minimally invasive puncture are performed at present, wherein a stainless steel needle tube material is a main component part of a minimally invasive treatment apparatus.
Most medical needle tubes comprise a needle tube body and accessories thereof, and the connection firmness between the needle tube body and the accessories is a very important quality performance parameter of the medical needle tube and also relates to the fundamental life safety of a patient, so that the design of a simple, effective and scientific needle tube connection firmness inspection device is very important.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a medical stainless steel needle tube connection firmness test tensile testing machine.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a medical stainless steel needle tube connection firmness test tensile testing machine, includes the support, still including set up in test lower seat on the support, through elevating system can reciprocate set up in tension sensor on the support, set up in test upper seat on the tension sensor, test upper seat with install the needle tubing clamping device who is used for grabbing the stainless steel needle tube body on one of test lower seat, test upper seat with install the accessory damping device who acts on stainless steel needle tube accessory on another of test lower seat. The needle tube clamping device clamps the stainless steel needle tube body, the accessory damping device is used for arranging the stainless steel needle tube accessory in the accessory damping device, the lifting mechanism can apply an outward drawing force to the stainless steel needle tube body or the stainless steel needle tube accessory through vertically upwards moving the upper seat for testing, until the stainless steel needle tube body or the stainless steel needle tube accessory is separated from the upper seat, the ultimate drawing force value received by the tension sensor is the connection firmness value of the stainless steel needle tube body or the stainless steel needle tube accessory, and the connection firmness test of the medical stainless steel needle tube can be completed by comparing the value with the firmness standard meter.
In some embodiments, the accessory damping device comprises a fixed seat with a containing cavity for containing the stainless steel needle tube accessory, and at least two damping bolts horizontally adjusting and sliding arranged on the fixed seat, when the stainless steel needle tube body is clamped in the needle tube clamping device, the stainless steel needle tube accessory is abutted against the damping bolts.
In some embodiments, the damper pin is screwed on the fixing base through threads, and the inner end part of the damper pin is provided with a blocking head capable of being abutted on the stainless steel needle tube fitting.
In some embodiments, the sliding direction of at least two of the damper bolts is perpendicular to the centerline direction of the stainless steel needle cannula.
In some embodiments, the fixing seat is U-shaped, and the damping bolts are respectively located on two side portions of the fixing seat.
In some embodiments, the needle tube clamping device is arranged on the test upper seat, the accessory damping device is arranged on the test lower seat, when the upper part of the stainless steel needle tube body is clamped in the needle tube clamping device, the stainless steel needle tube accessory at the bottom is propped against the lower part of the damping bolt.
In some embodiments, the needle tube clamping device comprises a mounting seat fixed on the upper test seat or the lower test seat, and a chuck bolt horizontally adjusted and slidingly arranged on one side wall of the mounting seat, wherein the chuck bolt is provided with a chuck, and a clamping space for clamping the stainless steel needle tube body is formed between the chuck and the other side wall of the mounting seat.
In some embodiments, the medical stainless steel needle tube connection firmness test tensile testing machine further comprises a control unit connected with the lifting mechanism, and the lifting mechanism is an air cylinder.
In some embodiments, the support is a frame, the test upper seat is located on an upper cross beam of the support, and the test lower seat is located on a lower cross beam of the support.
The scope of the present utility model is not limited to the specific combination of the above technical features, but also covers other technical features formed by any combination of the above technical features or their equivalents. Such as those described above, and those disclosed in the present utility model (but not limited to) having similar functions, are replaced with each other.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the utility model provides a medical stainless steel needle tube connection firmness testing tensile testing machine, wherein a needle tube clamping device clamps a stainless steel needle tube body, a fitting damping device is used for arranging a stainless steel needle tube fitting in the fitting damping device, a lifting mechanism can apply an outward drawing force to the stainless steel needle tube body or the stainless steel needle tube fitting until the stainless steel needle tube body and the stainless steel needle tube fitting are separated, the limiting drawing force value received by a tension sensor is a connection firmness value, and the connection firmness testing of the medical stainless steel needle tube can be completed by comparing the value with a firmness standard table.
Drawings
FIG. 1 is a schematic structural view of a tensile testing machine for testing connection firmness of a medical stainless steel needle tube;
wherein, 1, a bracket; 2. testing the upper seat; 3. a lifting mechanism; 4. a tension sensor; 5. testing the lower seat; 6. a needle tube clamping device; 61. a mounting base; 62. a chuck bolt; 63. a chuck; 7. a fitting damping device; 71. a fixing seat; 72. a damper bolt; 73. and (5) blocking the head.
Description of the embodiments
The tensile testing machine for testing the connection firmness of the medical stainless steel needle tube as shown in the attached drawing comprises a support 1, a lower testing seat 5 arranged on the support 1, a tension sensor 4 arranged on the support 1 and capable of moving up and down through a lifting mechanism 3, and an upper testing seat 2 arranged on the tension sensor 4, wherein in the embodiment, the lifting mechanism 3 is an air cylinder.
In this embodiment, a needle tube clamping device 6 for grasping a stainless steel needle tube body is mounted on the upper test seat 2, and an accessory damping device 7 acting on a stainless steel needle tube accessory is mounted on the lower test seat 5.
The accessory damping device 7 comprises a fixed seat 71 with a containing cavity for containing a stainless steel needle tube accessory, two damping bolts 72 which are horizontally adjusted and slidably arranged on the fixed seat 71, the sliding directions of the two damping bolts 72 are perpendicular to the central line direction of the stainless steel needle tube, when the stainless steel needle tube body is clamped in the needle tube clamping device 6, the stainless steel needle tube accessory is abutted to the damping bolts 72, the damping bolts 72 are rotatably arranged on the fixed seat 71 through threads, and the inner end parts of the damping bolts 72 are provided with blocking heads 73 which can be abutted to the stainless steel needle tube accessory.
The fixing seat 71 is U-shaped, and two damper bolts 72 are respectively located on two side portions of the fixing seat 71.
When the upper part of the stainless steel needle tube body is clamped in the needle tube clamping device 6, the stainless steel needle tube fitting at the bottom is abutted against the lower part of the damping bolt 72.
The needle tube clamping device 6 comprises a mounting seat 61 fixed on the upper test seat 2, and a chuck bolt 62 horizontally adjusting and sliding arranged on one side wall of the mounting seat 61, wherein the chuck bolt 62 is provided with a chuck 63, and a clamping space for clamping the stainless steel needle tube body is formed between the chuck 63 and the other side wall of the mounting seat 61.
The medical stainless steel needle tube connection firmness test tensile testing machine further comprises a control unit connected with the lifting mechanism 3, and the lifting mechanism 3 is an air cylinder.
The support 1 is a surrounding frame, the upper test seat 2 is positioned on an upper cross beam of the support 1, and the lower test seat 5 is positioned on a lower cross beam of the support 1.
The needle tube clamping device clamps the stainless steel needle tube body, the accessory damping device is used for arranging the stainless steel needle tube accessory in the accessory damping device, the lifting mechanism can apply an outward drawing force to the stainless steel needle tube body or the stainless steel needle tube accessory through vertically upwards moving the upper seat for testing, until the stainless steel needle tube body or the stainless steel needle tube accessory is separated from the upper seat, the ultimate drawing force value received by the drawing force sensor is the connection firmness value of the stainless steel needle tube body or the stainless steel needle tube accessory, and the connection firmness test of the medical stainless steel needle tube can be completed by comparing the value with the table 1.
Table 1 firmness standard table
The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (9)
1. The utility model provides a medical stainless steel needle tube connection firmness test tensile testing machine, includes support (1), its characterized in that: the stainless steel needle tube clamping device is characterized by further comprising a lower test seat (5) arranged on the support (1), a tension sensor (4) arranged on the support (1) and capable of moving up and down through a lifting mechanism (3), an upper test seat (2) arranged on the tension sensor (4), a needle tube clamping device (6) used for clamping the stainless steel needle tube body and arranged on one of the upper test seat (2) and the lower test seat (5), and a fitting damping device (7) used for stainless steel needle tube fittings and arranged on the other one of the upper test seat (2) and the lower test seat (5).
2. The medical stainless steel needle tube connection firmness test tensile testing machine of claim 1, wherein: the accessory damping device (7) comprises a fixed seat (71) with a containing cavity for containing the stainless steel needle tube accessory, and at least two damping bolts (72) which are horizontally adjusted and slidingly arranged on the fixed seat (71), when the stainless steel needle tube body is clamped in the needle tube clamping device (6), the stainless steel needle tube accessory is propped against the damping bolts (72).
3. The medical stainless steel needle tube connection firmness test tensile testing machine of claim 2, wherein: the damping bolt (72) is arranged on the fixing seat (71) in a screwed mode, and a blocking head (73) capable of being abutted to the stainless steel needle tube fitting is arranged at the inner end portion of the damping bolt (72).
4. The medical stainless steel needle tube connection firmness test tensile testing machine of claim 2, wherein: the sliding direction of at least two damping bolts (72) is perpendicular to the central line direction of the stainless steel needle tube.
5. The medical stainless steel needle tube connection firmness testing tensile tester according to claim 3, wherein: the fixing seat (71) is U-shaped, and the damping bolts (72) are respectively positioned on two side parts of the fixing seat (71).
6. The medical stainless steel needle tube connection firmness test tensile testing machine of claim 2, wherein: the needle tube clamping device (6) is arranged on the upper test seat (2), the accessory damping device (7) is arranged on the lower test seat (5), when the upper part of the stainless steel needle tube body is clamped in the needle tube clamping device (6), the stainless steel needle tube accessory at the bottom is propped against the lower part of the damping bolt (72).
7. The medical stainless steel needle tube connection firmness test tensile testing machine of claim 1, wherein: needle tubing clamping device (6) including be fixed in mount pad (61) on test upper seat (2) or test lower seat (5), level adjust slip set up in chuck bolt (62) on one lateral wall of mount pad (61), chuck (63) have on chuck bolt (62), chuck (63) with form the clamp between the another lateral wall of mount pad (61) and establish the clamp space of stainless steel needle tube body.
8. The medical stainless steel needle tube connection firmness test tensile testing machine of claim 1, wherein: the medical stainless steel needle tube connection firmness test tensile testing machine further comprises a control unit connected with the lifting mechanism (3), and the lifting mechanism (3) is an air cylinder.
9. The medical stainless steel needle tube connection firmness test tensile testing machine of claim 1, wherein: the support (1) is a surrounding frame, the upper test seat (2) is located on an upper cross beam of the support (1), and the lower test seat (5) is located on a lower cross beam of the support (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320132794.1U CN219978007U (en) | 2023-02-07 | 2023-02-07 | Medical stainless steel needle tube connection firmness test tensile testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320132794.1U CN219978007U (en) | 2023-02-07 | 2023-02-07 | Medical stainless steel needle tube connection firmness test tensile testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219978007U true CN219978007U (en) | 2023-11-07 |
Family
ID=88594455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320132794.1U Active CN219978007U (en) | 2023-02-07 | 2023-02-07 | Medical stainless steel needle tube connection firmness test tensile testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219978007U (en) |
-
2023
- 2023-02-07 CN CN202320132794.1U patent/CN219978007U/en active Active
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