Strength testing device for vacuum blood collection tube

Abstract

The utility model discloses a vacuum blood collection tube strength testing device which comprises a testing box body, a testing structure is installed in the testing box body, and the testing structure comprises a fixing base, a limiting base, two adjusting sliding ways, a fixing assembly, an electric sliding rail, a sliding base, a hydraulic push rod and a display device. The utility model relates to the technical field of vacuum blood collection tubes, and has the beneficial effects that the technical scheme adopts a test structure, and in the operation process, the upper side and the lower side of different types of blood collection tubes can be fixed through the matching of the fixed base and the fixing component capable of adjusting the height; in the testing process, it can be guaranteed that the upper side and the lower side of the blood collection tube are subjected to the same stress, and the fixing device has the advantages of being good in fixing effect, accurate in testing result and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum blood collection tubes, in particular to a vacuum blood collection tube strength testing device. Background Art

[0002] A vacuum blood collection tube is a disposable negative pressure vacuum glass tube that can achieve quantitative blood collection. It needs to be used in conjunction with a venous blood collection needle. The principle of the vacuum blood collection tube is to pre-evacuate a blood collection tube with a head cover to different vacuum degrees, and use its negative pressure to automatically and quantitatively collect venous blood samples. When the vacuum blood collection tube is put into practical use, it is necessary to perform a strength test on it. However, a vacuum blood collection tube strength test device with patent number CN213022631 U comprises an operation box and a control box, wherein a rectangular groove is provided on the front wall of the operation box (1), the control box is installed on the left side of the operation box, and a strength test structure is provided between the operation box and the control box; wherein the strength test structure comprises: an integrated circuit board, a first wire, a hydraulic station, a liquid inlet pipe, a liquid return pipe, a hydraulic cylinder, a varistor, a second wire, a placement rack, a display and a button;

[0003] When the technical solution is in operation, the blood collection tube is fixed by inserting it into the top of the placement rack, and then the strength of the fixed blood collection tube is tested in conjunction with the hydraulic cylinder. However, in this process, the blood collection tube is only fixed by the placement rack. During the strength test, the blood collection tube is only supported by the placement rack on the lower side, which will cause the overall force point of the blood collection tube to be located at the contact point between the blood collection tube and the placement rack, thereby forming a lever force phenomenon, which will cause a certain error between the test result and the actual result, the test result is inaccurate, and the fixing effect is poor. Utility Model Content

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: a vacuum blood collection tube strength test device, including a test box, a test structure installed inside the test box, and the test structure includes:

[0005] Fixed base, limit seat, two adjustment slides, fixed assembly, electric slide rail, sliding seat, hydraulic push rod and display device;

[0006] The fixed base is installed inside the test box, the limit seat is inserted on the top of the fixed base, the two adjusting slides are respectively installed on both sides of the inner wall of the rear side of the test box, the rear side of the fixed component is slidably connected with the two adjusting slides, the electric slide rail is installed on one side of the test box, the sliding seat is slidably connected with the electric slide rail, the driving end of the hydraulic push rod is installed on one side of the sliding seat, a strip through hole is provided on one side of the test box, the output end of the hydraulic push rod passes through the strip through hole and extends into the interior of the test box, and the display device is installed at the front end of the test box.

[0007] Preferably, a movable door is provided at the front end of the test box, and an observation window is provided on the movable door.

[0008] Preferably, the fixing assembly comprises: an adjustment frame, a limiting ring and a first limiting groove;

[0009] The rear side of the adjustment frame is slidably connected to the two adjustment slideways respectively, the first limiting groove is opened at the front end of the adjustment frame, one end of the limiting ring is rotatably connected to the adjustment frame, and the other end is connected to the adjustment frame by screws.

[0010] Preferably, a rubber protective layer is provided on the inner side of the first limiting groove and the limiting ring.

[0011] Preferably, a collecting tank is provided on the top of the fixed base.

[0012] Preferably, a second limiting groove is provided on the fixed base, and the bottom of the limiting seat is plugged into the second limiting groove.

[0013] Beneficial Effects

[0014] The utility model provides a vacuum blood collection tube strength testing device, which has the following beneficial effects: the technical solution adopts a testing structure, and during operation, different types of blood collection tubes can be fixed on the upper and lower sides by cooperating with a fixed base and a fixing component that can be adjusted in height, and then the strength of the blood collection tube can be tested in conjunction with a hydraulic push rod, and during the test process, it can ensure that the upper and lower sides of the blood collection tube are subjected to the same force, and has the characteristics of good fixing effect and accurate test results. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the front and cross-sectional structure of a vacuum blood collection tube strength testing device described in the utility model.

[0016] Figure 2 This is a schematic diagram of the main structure of a vacuum blood collection tube strength testing device described in the utility model.

[0017] Figure 3 It is a partial side structural schematic diagram of a vacuum blood collection tube strength testing device described in the utility model.

[0018] Figure 4 It is a partial top view structural schematic diagram of a vacuum blood collection tube strength testing device described in the utility model.

[0019] Figure 5 It is a three-dimensional structural schematic diagram of a vacuum blood collection tube strength testing device described in the utility model.

[0020] In the figure: 1. test box, 2. fixed base, 3. limit seat, 4. adjustment slide, 5. electric slide rail, 6. sliding seat, 7. hydraulic push rod, 8. display device, 9. movable door, 10. observation window, 11. adjustment frame, 12. limit ring, 13. first limit groove, 14. collection groove, 15. second limit groove. DETAILED DESCRIPTION

[0021] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0022] Example

[0023] See also Figure 1-5 , the operation process of this technical solution is as follows: it should be noted that a varistor is provided at the front end of the output end of the hydraulic push rod 7. During use, the operator can open the movable door 9 and separate the limit seat 3 from the fixed base 2, and then insert the bottom of the blood collection tube into the second limit groove 15 at the top of the fixed bottom, and insert the limit seat 3 into the second limit groove 15, thereby completing the limit fixation of the bottom of the blood collection tube. At the same time, the operator can adjust the height of the fixing assembly along the two adjustment slides 4 to fix the upper side of the blood collection tube. Finally, the electric slide rail 5 and the hydraulic push rod can be controlled to run respectively, so that the strength detection operation can be performed on different positions of the fixed blood collection tube, and the values ​​in the test process are displayed through the display device 8, and during the test process, the fragments generated by the broken blood collection tube are collected through the collection tank 14, thereby reducing the cleaning difficulty of the operator, and the test process can be observed through the observation window 10;

[0024] It should be noted that during use, the operator can open the limit ring 12 and change the height of the adjustment frame 11 along the two adjustment slides 4, so that the upper side of the blood collection tube can be placed into the first limit groove 13. Then, the operator closes the limit ring 12 and fixes one end of the limit ring 12 to the front end of the adjustment frame 11 with screws, thereby completing the fixation of the upper side of the blood collection tube. The rubber protective layer is used to increase the stability of the fixation.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vacuum blood collection tube strength testing device, comprising a test box, wherein a test structure is installed inside the test box, characterized in that: The test structure includes: Fixed base, limit seat, two adjustment slides, fixed assembly, electric slide rail, sliding seat, hydraulic push rod and display device; The fixed base is installed inside the test box, the limit seat is inserted on the top of the fixed base, the two adjusting slides are respectively installed on both sides of the inner wall of the rear side of the test box, the rear side of the fixed component is slidably connected with the two adjusting slides, the electric slide rail is installed on one side of the test box, the sliding seat is slidably connected with the electric slide rail, the driving end of the hydraulic push rod is installed on one side of the sliding seat, a strip through hole is provided on one side of the test box, the output end of the hydraulic push rod passes through the strip through hole and extends into the interior of the test box, and the display device is installed at the front end of the test box.

2. A vacuum blood collection tube strength testing device according to claim 1, characterized in that: A movable door is arranged at the front end of the test box, and an observation window is arranged on the movable door.

3. A vacuum blood collection tube strength testing device according to claim 1, characterized in that: The fixing assembly comprises: an adjusting frame, a limiting ring and a first limiting groove; The rear side of the adjustment frame is slidably connected to the two adjustment slideways respectively, the first limiting groove is opened at the front end of the adjustment frame, one end of the limiting ring is rotatably connected to the adjustment frame, and the other end is connected to the adjustment frame by screws.

4. A vacuum blood collection tube strength testing device according to claim 3, characterized in that: The first limiting groove and the inner side of the limiting ring are both provided with a rubber protective layer.

5. A vacuum blood collection tube strength testing device according to claim 1, characterized in that: A collecting tank is arranged on the top of the fixed base.

6. A vacuum blood collection tube strength testing device according to claim 1, characterized in that: The fixed base is provided with a second limiting groove, and the bottom of the limiting seat is plugged into the second limiting groove.

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