Tensile strength testing device for medical gauze swab processing
By introducing a humidification component and a testing component into the medical gauze tensile strength testing device, the problem of inaccurate test results under dry conditions is solved, and accurate tensile strength testing under humid conditions is achieved, improving the authenticity and reliability of the test.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-03-24
AI Technical Summary
Existing medical gauze tensile strength testing devices can only be used in dry environments, which cannot accurately reflect the performance of gauze after it is affected by liquid in actual use, resulting in limited reference value of the test results.
A tensile strength testing device including a humidification component and a testing component was designed. The humidification component simulates the use of gauze in a humid environment, and the testing component ensures that the gauze is fixed and the force is monitored during the stretching process, so as to realize the tensile strength test of the gauze in a humid state.
This improves the authenticity and reliability of the test, enabling a more accurate assessment of the tensile strength of gauze sheets under humid conditions, and ensuring the precision and stability of the test results.
Smart Images
Figure CN224035116U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical gauze piece detection technical field, especially in medical gauze piece processing is with tensile strength testing device. BACKGROUND
[0002] In the medical field, medical gauze piece as a kind of commonly used medical supplies, its quality is directly related to the treatment effect and health safety of patient, tensile strength is one of important indexes to measure the quality of medical gauze piece, it reflects the ability of gauze piece to resist damage when subjected to tensile force, enough tensile strength can ensure that gauze piece does not easily break in the use process, guarantee its normal medical function.
[0003] There are some devices for testing the tensile strength of gauze piece on the market, but the existing testing device can only test the tensile strength of gauze piece in dry environment, however, in actual medical application, gauze piece may contact various liquids, such as liquid medicine, blood, etc., humidity will have a significant impact on the tensile strength of gauze piece, the result obtained by testing in dry environment cannot accurately reflect the performance of gauze piece in actual use, resulting in limited reference value of test result.
[0004] Therefore, a tensile strength testing device for medical gauze piece processing is proposed. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a tensile strength testing device for medical gauze piece processing, which can solve the problem that the existing testing device can only test the tensile strength of gauze piece in dry environment, and the result obtained by testing in dry environment cannot accurately reflect the performance of gauze piece in actual use, resulting in limited reference value of test result.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a tensile strength testing device for medical gauze piece processing, comprising a test box, a transparent box door is rotatably connected to the front side of the test box, a PLC controller is arranged on the right side of the test box, an operating table is fixedly connected inside the test box, a test assembly is arranged on the top of the operating table, the test assembly comprises a C-shaped frame, and the number of C-shaped frames is two, a humidifying assembly is arranged above the operating table;
[0007] The humidifying assembly comprises a U-shaped frame, a shunt pipe is fixedly connected inside the U-shaped frame, a plurality of spray heads are fixedly communicated at the bottom of the surface of the shunt pipe, the number of spray heads is set to be multiple and evenly distributed, a corrugated hose is fixedly communicated at the top of the surface of the shunt pipe, and a liquid infusion pump is fixedly communicated at the other end of the corrugated hose and penetrates the U-shaped frame and the test box.
[0008] Preferably, the left C-shaped frame is fixedly connected to the top of the operation table, the right C-shaped frame is movably connected to the top of the operation table, the front side and the rear side of the C-shaped frame are fixedly connected with connecting rods, the front side of the right connecting rod is provided with a tension sensor, the tension sensor is electrically connected with a PLC controller, the top of the C-shaped frame is fixedly connected with a micro cylinder, and the telescopic end of the micro cylinder penetrates through the C-shaped frame and is fixedly connected with a rubber pressing plate.
[0009] Preferably, the front side and the rear side of the operation table are both provided with grooves, a servo motor is fixedly connected to the left side of the inner wall of the front side groove, the output end of the servo motor is fixedly connected with a screw rod, and the screw rod is rotatably connected in the inside of the front side groove through a bearing.
[0010] Preferably, the surface of the screw rod is threadedly connected with a sleeve, and the side of the sleeve close to the right connecting rod is fixedly connected with the right connecting rod.
[0011] Preferably, the inside of the rear side groove is fixedly connected with a positioning rod, the surface of the positioning rod is slidably connected with a positioning block, and the side of the positioning block close to the right connecting rod is fixedly connected with the right connecting rod.
[0012] Preferably, the left side of the inner wall of the test box is fixedly connected with an electric telescopic rod, the telescopic end of the electric telescopic rod is fixedly connected with a mounting block, and the top of the U-shaped frame is fixedly connected with the bottom of the mounting block.
[0013] Preferably, the inside of the test box is fixedly connected with a limiting cross rod, and the surface of the limiting cross rod is slidably connected with the mounting block.
[0014] Preferably, the top of the operation table is provided with a plurality of leakage holes.
[0015] Compared with the prior art, the medical gauze piece processing tensile strength testing device has the advantages that:
[0016] 1. The humidifying assembly can deliver and evenly spray water on the gauze piece, simulate the humid environment that the medical gauze piece may encounter in actual use, so as to more accurately test the tensile strength of the gauze piece in the humid state, and improve the authenticity and reliability of the test.
[0017] 2. The testing assembly can firmly fix the gauze piece between the C-shaped frame and the rubber pressing plate, facilitate the tensile strength test, and can monitor the tensile force borne by the gauze piece in the tensile process in real time, thereby improving the test accuracy. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a whole structure diagram of the medical gauze piece processing tensile strength testing device.
[0019] Figure 2 It is a structure schematic view of the humidifying assembly of the utility model;
[0020] Figure 3 It is a structure schematic view of the testing assembly of the utility model;
[0021] Figure 4 It is a rear view of the utility model; Figure 3
[0022] Figure 5 It is an enlarged schematic view of A in the utility model. Figure 1
[0023] In the figure, 1, test box; 2, transparent box door; 3, PLC controller; 4, operation table; 5, testing assembly; 501, C-shaped frame; 502, connecting rod; 503, tension sensor; 504, miniature cylinder; 505, rubber pressing plate; 506, screw rod; 507, screw sleeve; 6, humidifying assembly; 601, U-shaped frame; 602, shunt pipe; 603, spray head; 604, corrugated hose; 605, infusion pump; 7, groove; 8, servo motor; 9, positioning rod; 10, positioning block; 11, electric telescopic rod; 12, mounting block; 13, limiting cross rod; 14, leakage hole. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0025] Please refer to Figures 1-5 , the utility model provides technical scheme:
[0026] A kind of tensile strength testing device for medical gauze piece processing, including test box 1, the front side of test box 1 is rotatably connected with transparent box door 2, the right side of test box 1 is provided with PLC controller 3, the inside of test box 1 is fixedly connected with operation table 4, the top of operation table 4 is provided with testing assembly 5, testing assembly 5 includes C-shaped frame 501 and the number of C-shaped frame 501 is set to two, the top of operation table 4 is provided with humidifying assembly 6;
[0027] The humidifying assembly 6 comprises a U-shaped frame 601, the inside of the U-shaped frame 601 is fixedly connected with a shunt pipe 602, the bottom of the surface of the shunt pipe 602 is fixedly connected with a spray head 603, the number of the spray head 603 is set to be multiple and is uniformly distributed, the top of the surface of the shunt pipe 602 is fixedly connected with a corrugated hose 604, the other end of the corrugated hose 604 penetrates through the U-shaped frame 601 and the test box 1 and is fixedly connected with a liquid pump 605.
[0028] In the embodiment: by arranging the humidifying assembly 6, the U-shaped frame 601 can provide stable support for the internal shunt pipe 602, ensure that the shunt pipe 602 is in the appropriate position, make the whole humidifying assembly 6 structure stable, the shunt pipe 602 can uniformly distribute the liquid delivered by the liquid pump 605 to each spray head 603, ensure that each spray head 603 can obtain approximately the same liquid flow, so as to realize uniform humidification of the gauze piece, the spray head 603 can spray the liquid in the shunt pipe 602 in the form of atomization, increase the contact area of the liquid and the gauze piece, so that the gauze piece can more uniformly and efficiently absorb moisture, simulate different humidity environments, meet different test requirements, the corrugated hose 604 has good flexibility and bendability, so that when the U-shaped frame 601 moves, the corrugated hose 604 can deform flexibly, ensure that the liquid delivery is not affected, the liquid pump 605 can draw liquid from the external storage and deliver it to the shunt pipe 602 through the corrugated hose 604, and then spray it to the gauze piece through the spray head 603, by adjusting the power or flow rate of the liquid pump 605, the delivery amount and spraying intensity of the liquid can be controlled, so as to meet different test requirements.
[0029] Specifically, as shown in Figure 3 the left C-shaped frame 501 is fixedly connected to the top of the operation table 4, the right C-shaped frame 501 is movably connected to the top of the operation table 4, the front side and the rear side of the C-shaped frame 501 are fixedly connected with connecting rods 502, and the front side of the right connecting rod 502 is provided with a tension sensor 503, the tension sensor 503 is electrically connected with the PLC controller 3, and the top of the C-shaped frame 501 is fixedly connected with a micro pneumatic cylinder 504, and the extension end of the micro pneumatic cylinder 504 penetrates through the C-shaped frame 501 and is fixedly connected with a rubber pressing plate 505.
[0030] Specifically, as shown in Figure 3 the front side and the rear side of the operation table 4 are provided with recesses 7, the left side of the inner wall of the front side recess 7 is fixedly connected with a servo motor 8, the output end of the servo motor 8 is fixedly connected with a screw rod 506, and the screw rod 506 is rotatably connected in the inside of the front side recess 7 through a bearing.
[0031] Specifically, as shown in Figure 3 the surface of the screw rod 506 is threadedly connected with a sleeve 507, and the sleeve 507 is fixedly connected with the right connecting rod 502 on the side close to the right connecting rod 502.
[0032] Specifically, as shown in Figure 4 The inner part of the rear groove 7 is fixedly connected with a positioning rod 9, the surface of the positioning rod 9 is slidingly connected with a positioning block 10, and the positioning block 10 is fixedly connected with the right connecting rod 502 on the side close to the right connecting rod 502.
[0033] In this embodiment: through the above setting, the left C-shaped frame 501 can provide a fixed support point for the test, which is used for fixing one end of the medical gauze piece, so as to ensure that this end of the gauze piece does not move during the test, so that the tensile test can be accurately carried out, and the right C-shaped frame 501 can move on the operation table 4 and be used in cooperation with the left C-shaped frame 501 to fix the other end of the medical gauze piece, and the tensile test of the gauze piece is realized by moving the gauze piece, so as to test the tensile strength of the gauze piece, when the screw rod 506 is driven to rotate by the servo motor 8, the screw rod 506 will drive the screw sleeve 507 to move along the axial direction, and the connecting rod 502 will move together when the screw sleeve 507 moves, the connecting rod 502 is used to connect the screw sleeve 507 and the C-shaped frame 501, so as to facilitate the movement of the right C-shaped frame 501 driven by the screw sleeve 507, the tensile sensor 503 is electrically connected with the PLC controller 3, so as to monitor the tensile force borne by the gauze piece in real time during the tensile test, convert the physical signal of the force into an electric signal, and transmit the electric signal to the PLC controller 3, so as to accurately measure the tensile force and process data, so as to provide data support and control function for the test, through the extension and retraction of the micro cylinder 504, the rubber pressing plate 505 can be driven to move up and down, so as to tightly press the medical gauze piece in the C-shaped frame 501, so as to ensure that the gauze piece does not slip during the tensile test, and the rubber pressing plate 505 can avoid excessive damage to the gauze piece, so as to ensure the accuracy of the test, the positioning rod 9 and the positioning block 10 can position and guide the movement of the right C-shaped frame 501, so as to ensure that the right C-shaped frame 501 always moves linearly along the direction of the positioning rod 9 during the movement, improve the accuracy and stability of the tensile test, prevent the right C-shaped frame 501 from deviating or shaking during the movement, and thus ensure the accuracy of the test result.
[0034] Specifically, as shown in Figure 5 The left side of the inner wall of the test box 1 is fixedly connected with an electric telescopic rod 11, the telescopic end of the electric telescopic rod 11 is fixedly connected with a mounting block 12, and the top of the U-shaped frame 601 is fixedly connected with the bottom of the mounting block 12.
[0035] Specifically, as shown in Figure 5 The inner part of the test box 1 is fixedly connected with a limiting cross rod 13, and the mounting block 12 is slidingly connected to the surface of the limiting cross rod 13.
[0036] In the embodiment, through the above setting, the electric telescopic rod 11 can adjust the horizontal position of the mounting block 12 and the U-shaped frame 601 through telescopic movement, so that the humidifying assembly 6 can fully spray the surface of the gauze piece to achieve the best humidifying effect. The mounting block 12 can provide support for the U-shaped frame 601, improve the stability of the U-shaped frame 601 during the test, and also serve as a connection between the electric telescopic rod 11 and the humidifying assembly 6. The limiting cross rod 13 can limit and guide the movement of the mounting block 12, ensure that the mounting block 12 can only move linearly along the direction of the limiting cross rod 13, and ensure that the U-shaped frame 601 remains stable when moving horizontally and does not shake or deviate, thereby improving the accuracy and stability of the position adjustment of the humidifying assembly 6, and further ensuring the uniformity and reliability of the humidifying process.
[0037] Specifically, as shown in Figure 4 The top of the operation table 4 is provided with a plurality of leakage holes 14.
[0038] In the embodiment, by setting the leakage holes 14, when the medical gauze piece is tested for humidification, the excess water can flow to the lower side of the operation table 4 through the leakage holes 14, avoiding water accumulation on the operation table 4 and affecting the test results or damaging other components of the test assembly 5.
[0039] Working principle: when the tensile strength test of gauze piece is carried out, first, rotate the transparent box door 2, open the test box 1, place the medical gauze piece to be tested on the top of the operation table 4, make its two ends respectively located in the two C-shaped frames 501, then start the micro pneumatic cylinder 504 through the PLC controller 3, make the telescopic end of the micro pneumatic cylinder 504 drive the rubber pressing plate 505 to press down, fix the two ends of the gauze piece in the two C-shaped frames 501 respectively, then start the infusion pump 605 through the PLC controller 3, the infusion pump 605 will deliver the liquid stored outside to the shunt pipe 602 through the corrugated hose 604, the liquid in the shunt pipe 602 is sprayed on the gauze piece in the form of atomization through the plurality of evenly distributed spray heads 603, that is, the gauze piece can be humidified, then control the electric telescopic rod 11 to stretch out and retract, make the electric telescopic rod 11 drive the spray head 603 to move horizontally on the top of the gauze piece, so that the gauze piece can be fully humidified, during the humidification process, the excess water will flow to the lower side of the operation table 4 through the leakage hole 14, avoid the accumulated water to affect the test, finally, start the servo motor 8 through the PLC controller 3, the servo motor 8 will drive the screw rod 506 to rotate, when the screw rod 506 rotates, the screw sleeve 507 will drive the right side C-shaped frame 501 to move on the operation table 4 away from the left side C-shaped frame 501, so as to stretch the gauze piece, during the stretching process, the tensile force sensor 503 on the front side of the right side connecting rod 502 will monitor the tensile force borne by the gauze piece in real time, and the force signal is converted into an electric signal and transmitted to the PLC controller 3, the PLC controller 3 will process and analyze the data, display the size of the tensile force in real time, and record the key data such as the maximum tensile force in the stretching process, when the gauze piece breaks or reaches the preset stretching length, stop the work of the servo motor 8 and the infusion pump 605, according to the recorded maximum tensile force and the related parameters of the gauze piece, the tensile strength of the gauze piece can be calculated.
[0040] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims
1. A tensile strength testing device for medical gauze sheet processing, comprising a testing box (1), characterized in that: The front side of the test box (1) is rotationally connected with a transparent box door (2), the right side of the test box (1) is provided with a PLC controller (3), the inside of the test box (1) is fixedly connected with an operation table (4), the top of the operation table (4) is provided with a test assembly (5), the test assembly (5) comprises C-shaped frames (501) and the number of the C-shaped frames (501) is two, and the top of the operation table (4) is provided with a humidifying assembly (6). The humidifying assembly (6) comprises a U-shaped frame (601), the inside of the U-shaped frame (601) is fixedly connected with a shunt pipe (602), the bottom of the surface of the shunt pipe (602) is fixedly connected with spray heads (603), the number of the spray heads (603) is multiple and is uniformly distributed, the top of the surface of the shunt pipe (602) is fixedly connected with corrugated hoses (604), and the other end of the corrugated hoses (604) penetrates through the U-shaped frame (601) and the test box (1) and is fixedly connected with an infusion pump (605).
2. The tensile strength testing device for processing medical gauze sheets according to claim 1, characterized in that: The left C-shaped frame (501) is fixedly connected to the top of the operation table (4), the right C-shaped frame (501) is movably connected to the top of the operation table (4), the front side and the rear side of the C-shaped frame (501) are fixedly connected with connecting rods (502), the front side of the right connecting rod (502) is provided with a tension sensor (503), the tension sensor (503) is electrically connected with the PLC controller (3), the top of the C-shaped frame (501) is fixedly connected with a micro cylinder (504), and the telescopic end of the micro cylinder (504) penetrates through the C-shaped frame (501) and is fixedly connected with a rubber pressing plate (505).
3. The tensile strength testing device for processing medical gauze sheets according to claim 2, characterized in that: The front side and the rear side of the operation table (4) are both provided with grooves (7), the left side of the inner wall of the front side groove (7) is fixedly connected with a servo motor (8), the output end of the servo motor (8) is fixedly connected with a screw rod (506), and the screw rod (506) is rotationally connected in the inside of the front side groove (7) through a bearing.
4. The tensile strength testing device for processing medical gauze sheets according to claim 3, characterized in that: The surface of the screw rod (506) is threadedly connected with a sleeve (507), and the sleeve (507) is fixedly connected with the right connecting rod (502) on the side close to the right connecting rod (502).
5. The tensile strength testing device for processing medical gauze sheet according to claim 3, characterized in that: The inside of the rear side groove (7) is fixedly connected with a positioning rod (9), the surface of the positioning rod (9) is slidably connected with a positioning block (10), and the side of the positioning block (10) close to the right connecting rod (502) is fixedly connected with the right connecting rod (502).
6. The tensile strength testing device for processing medical gauze sheet according to claim 1, characterized in that: The left side of the inner wall of the test box (1) is fixedly connected with an electric telescopic rod (11), the telescopic end of the electric telescopic rod (11) is fixedly connected with a mounting block (12), and the top of the U-shaped frame (601) is fixedly connected with the bottom of the mounting block (12).
7. The tensile strength testing device for processing medical gauze sheets according to claim 6, characterized in that: The inside of the test box (1) is fixedly connected with a limiting horizontal rod (13), and the mounting block (12) is slidably connected to the surface of the limiting horizontal rod (13).
8. The tensile strength testing device for processing medical gauze sheet according to claim 1, characterized in that: The top of the operation table (4) is provided with a plurality of leakage holes (14).