CN219608631U - Medical stainless steel needle tube rigidity test pressure testing machine - Google Patents
Medical stainless steel needle tube rigidity test pressure testing machine Download PDFInfo
- Publication number
- CN219608631U CN219608631U CN202320140610.6U CN202320140610U CN219608631U CN 219608631 U CN219608631 U CN 219608631U CN 202320140610 U CN202320140610 U CN 202320140610U CN 219608631 U CN219608631 U CN 219608631U
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- stainless steel
- steel needle
- needle tube
- seat
- test
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a medical stainless steel needle pipe rigidity test pressure testing machine, includes the support, still including set up in test lower seat on the support, through elevating system can reciprocate set up in test upper seat on the support, have two supporting seats that can support the stainless steel needle pipe on the test lower seat, two form the span space between the supporting seat, have on the test upper seat and be used for the roof pressure head of stainless steel needle pipe, two be provided with the accepting groove on the supporting seat respectively, the length direction of accepting groove is unanimous with the slip direction of two the supporting seat. When the stainless steel needle tube is used, the stainless steel needle tube is supported between the two supporting seats, a certain pressure is applied to the middle part of the stainless steel needle tube by pushing down the pressing head, so that the stainless steel needle tube is bent downwards to generate deflection, the operation is simple, the traditional manual test is replaced, and the test is accurate.
Description
Technical Field
The utility model relates to a medical stainless steel needle tube rigidity test pressure testing machine.
Background
With the continuous development of clinical medicine, minimally invasive treatment is increasingly favored by clinicians and patients, and more operations for performing minimally invasive puncture clinically are performed at present, wherein a stainless steel needle tube material is a main component part of a minimally invasive treatment instrument, and the rigidity of the stainless steel needle tube material is the most basic physical performance parameter and is related to the fundamental life safety of the patient.
Therefore, a simple, effective and scientific method for detecting the physical properties of the needle tube is extremely important.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a medical stainless steel needle tube rigidity test pressure 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 pipe rigidity test pressure testing machine, includes the support, still including set up in test lower seat on the support, through elevating system can reciprocate set up in test upper seat on the support, have two supporting seats that can support the stainless steel needle pipe on the test lower seat, two form the span space between the supporting seat, have on the test upper seat and be used for the roof pressure head of stainless steel needle pipe, two be provided with the accepting groove on the supporting seat respectively, the length direction of accepting groove is unanimous with the slip direction of two the supporting seat. When the stainless steel needle tube bending device is used, a stainless steel needle tube is supported between the two supporting seats, and a certain pressure is applied to the middle part of the stainless steel needle tube by pushing down the pressing head, so that the stainless steel needle tube bends downwards to generate deflection.
In certain embodiments, the cross-sectional shape of the receiving groove is V-shaped.
In some embodiments, the two support seats are respectively capable of sliding along a straight line and arranged on the test lower seat, and the two support seats slide in the same straight line direction, and a positioning structure is respectively arranged between the two support seats and the test lower seat.
In some embodiments, the test lower seat is provided with a measuring ruler, and the length direction of the measuring ruler is consistent with the sliding direction of the two supporting seats.
In some embodiments, the measuring scale is a middle dividing scale, and the central axis of the top pressing head is located on a plane perpendicular to a straight line where the measuring scale is located where the scale mark of the measuring scale is located.
In certain embodiments, the medical stainless steel needle tube rigidity testing pressure testing machine further comprises a control unit connected with the lifting mechanism, wherein the lifting mechanism is a 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 rigidity test pressure testing machine, which is characterized in that a stainless steel needle tube to be tested is erected on accommodating grooves of two supporting seats, a certain pressure is applied to the middle part of the stainless steel needle tube by pushing down a pressing head, so that the stainless steel needle tube is bent downwards to generate deflection, a deflection value is conveniently measured by measuring devices such as a deflection meter, and the like, and whether the rigidity of the needle to be tested meets the standard can be judged by the deflection value, so that the operation is simple, the traditional manual test is replaced, and the test is accurate.
Drawings
FIG. 1 is a schematic diagram of a medical stainless steel needle tube rigidity testing pressure tester;
wherein, 1, a bracket; 2. testing the upper seat; 3. testing the lower seat; 4. a support base; 5. a pressing head; 6. a measuring ruler.
Detailed Description
The medical stainless steel needle tube rigidity test pressure testing machine shown in the attached drawing comprises a support 1, a test lower seat 3 arranged on the support 1, a test upper seat 2 arranged on the support 1 and capable of moving up and down through a cylinder, and a control unit connected with the cylinder, wherein the output pressure of the cylinder can be adjusted through the control unit.
The test lower seat 3 is provided with two supporting seats 4 which can support the stainless steel needle tube, and a span space is formed between the two supporting seats 4.
The upper test seat 2 is connected with a pressing head 5 for pressing the stainless steel needle tube through an air cylinder, the two support seats 4 are respectively provided with a containing groove, the length direction of the containing groove is consistent with the sliding direction of the two support seats 4, and the central lines of the two containing grooves are coincided.
In the embodiment, the cross section of the accommodating groove is V-shaped, and the stainless steel needle tube is suitable for stainless steel needle tubes with various outer diameters.
Two supporting seats 4 can slide along the straight line and set up on test lower seat 3 respectively to two supporting seats 4 slide in same straight line direction, have location structure respectively between two supporting seats 4 and the test lower seat 3, through the tight regulation location structure, thereby adjust the position of two supporting seats 4 on test lower seat 3, in order to adapt to the span demand of corresponding external diameter needle tubing, in this embodiment, two supporting seats 4 slide respectively and set up on the guide rail of test lower seat 3, adopt the bolt to fix a position between two supporting seats 4 and the guide rail, the bolt passes supporting seat 4 and the tip supports tightly on the guide rail in order to fix a position.
The measuring ruler 6 is arranged on the lower test seat 3, and the length direction of the measuring ruler 6 is consistent with the sliding direction of the two supporting seats 4. The measuring scale 6 is a middle dividing scale, and the central axis of the top pressing head 5 is positioned on the plane perpendicular to the straight line where the measuring scale 6 is positioned, where the 0 scale mark of the measuring scale 6 is positioned.
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 3 is positioned on a lower cross beam of the support 1.
When the jacking head is contacted with the stainless steel needle tube, a preset pressure load is applied, as shown in table 1, so that the stainless steel needle tube is bent downwards, the jacking head is rapidly lifted, and the rebound deflection value of the needle tube received by the testing machine is compared with the corresponding maximum deflection value in table 1, so that whether the rigidity of the stainless steel needle tube meets the national or enterprise standard requirement is judged.
TABLE 1 rigidity test Condition 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 (7)
1. The utility model provides a medical stainless steel needle pipe rigidity test pressure testing machine, includes support (1), its characterized in that: the stainless steel needle tube testing device is characterized by further comprising a testing lower seat (3) arranged on the support (1), and a testing upper seat (2) which can be arranged on the support (1) in a vertical moving mode through a lifting mechanism (7), wherein two supporting seats (4) capable of supporting the stainless steel needle tube are arranged on the testing lower seat (3), a span space is formed between the two supporting seats (4), a jacking head (5) for jacking the stainless steel needle tube is arranged on the testing upper seat (2), containing grooves are respectively formed in the supporting seats (4), and the length direction of each containing groove is consistent with the sliding direction of the two supporting seats (4).
2. The medical stainless steel needle tube rigidity testing pressure testing machine according to claim 1, wherein: the cross section of the accommodating groove is V-shaped.
3. The medical stainless steel needle tube rigidity testing pressure testing machine according to claim 1, wherein: the two supporting seats (4) can be respectively arranged on the lower test seat (3) in a linear sliding mode, the two supporting seats (4) slide in the same linear direction, and positioning structures are respectively arranged between the two supporting seats (4) and the lower test seat (3).
4. A medical stainless steel needle tube rigidity testing pressure testing machine according to claim 3, wherein: the test lower seat (3) is provided with a measuring ruler (6), and the length direction of the measuring ruler (6) is consistent with the sliding direction of the two supporting seats (4).
5. The medical stainless steel needle tube rigidity testing pressure testing machine according to claim 4, wherein: the measuring ruler (6) is a middle dividing ruler, and the central axis of the top pressing head (5) is positioned on the plane perpendicular to the straight line where the measuring ruler (6) is positioned, where the 0 scale mark of the measuring ruler (6) is positioned.
6. The medical stainless steel needle tube rigidity testing pressure testing machine according to claim 1, wherein: the medical stainless steel needle tube rigidity testing pressure testing machine further comprises a control unit connected with the lifting mechanism (7), and the lifting mechanism (7) is an air cylinder.
7. The medical stainless steel needle tube rigidity testing pressure testing machine according to 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 (3) is located on a lower cross frame of the support (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320140610.6U CN219608631U (en) | 2023-02-07 | 2023-02-07 | Medical stainless steel needle tube rigidity test pressure testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320140610.6U CN219608631U (en) | 2023-02-07 | 2023-02-07 | Medical stainless steel needle tube rigidity test pressure testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219608631U true CN219608631U (en) | 2023-08-29 |
Family
ID=87756458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320140610.6U Active CN219608631U (en) | 2023-02-07 | 2023-02-07 | Medical stainless steel needle tube rigidity test pressure testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219608631U (en) |
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2023
- 2023-02-07 CN CN202320140610.6U patent/CN219608631U/en active Active
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