CN221174191U

CN221174191U - Tensile tester

Info

Publication number: CN221174191U
Application number: CN202323219726.8U
Authority: CN
Inventors: 杨志; 胡作为
Original assignee: Wuhan Aixiu Technology Service Co ltd
Current assignee: Wuhan Aixiu Technology Service Co ltd
Priority date: 2023-11-28
Filing date: 2023-11-28
Publication date: 2024-06-18
Anticipated expiration: 2033-11-28

Abstract

The utility model relates to the technical field of medical instrument inspection, in particular to a tensile tester. Its technical scheme is including rotating motor, U type frame and base, base upper surface one side is equipped with the spout, transparent protection casing is installed to base upper surface position department above the spout, transparent protection casing inner wall installs the roller, base internally mounted has the removal lead screw, the lead screw outer surface has cup jointed screw nut, screw nut upper surface mounting has the slider, and the slider is located inside the spout, slider upper surface mounting has U type frame, U type frame upper surface welding has fixation nut. The utility model can prevent the medical instruments such as the rubber band and the elastic band from being sprung to the detection personnel after being broken in the stretching detection process, avoid the occurrence of injury accidents, reduce the stroke of the medical instruments such as the rubber band and the elastic band in the stretching detection process and reduce the volume of the detection device.

Description

Tensile tester

Technical Field

The utility model relates to the technical field of medical instrument inspection, in particular to a tensile tester.

Background

The tensile test is to slowly pull a material sample until the material sample breaks, and the tensile strength and the elongation rate of the material are measured by the tensile test, so that the tensile test is often required to be carried out on medical instruments such as rubber bands and elastic ropes in the medical instruments to judge whether the medical instruments are qualified or not.

Through the mass retrieval, it is found that a medical instrument tensile tester in the prior art is typical as a medical instrument tensile testing device disclosed by publication number CN202220404584.9, and the medical instrument tensile testing device comprises a base, base one end fixedly connected with motor, the motor drive shaft runs through the base and fixedly connected with threaded rod, threaded rod lateral wall threaded connection has a sleeve, sleeve lateral wall bottom fixedly connected with slide, sleeve one end lateral wall top fixedly connected with connecting plate that keeps away from the motor. This tensile verifying attachment of medical instrument passes through the fixed slot, the clamp plate, mutually support between splint and the locating bolt, it is fixed through the fixed slot that passes "U" shape with the one end of medical instrument, it is fixed that the other end of material passes the bar hole and utilizes the splint again, area of contact between material and the fixed establishment has been improved, thereby stability when tensile inspection of device has been improved greatly, be difficult for causing the damage to medical instrument simultaneously, be convenient for better use of user, but in actual operation process, this patent exists and can bullet to the inspector after elastic rope and rubber band fracture when tensile detects, thereby cause the injury, for this reason, we propose a tensile checker.

Disclosure of utility model

The utility model aims to provide a tensile tester which can prevent medical instruments such as rubber bands and elastic bands from being sprung to a detector after being broken in the tensile testing process, avoid injury accidents, reduce the stroke of the medical instruments such as the rubber bands and the elastic bands in the tensile testing process, reduce the volume of a detection device, and solve the problem that the elastic bands and the rubber bands in the prior art possibly spring to the detector after being broken in the tensile testing process, thereby causing injury.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a tensile tester, includes rotation motor, U type frame and base, base upper surface one side is equipped with the spout, transparent protection casing is installed to base upper surface position department above the spout, transparent protection casing inner wall installs the commentaries on classics roller, base internally mounted has the removal lead screw, it cup joints screw-nut to remove the lead screw surface, screw-nut upper surface mounting has the slider, and the slider is located inside the spout, surface mounting has U type frame on the slider, U type frame upper surface welding has fixation nut, the inside grafting of fixation nut has the screw rod, the briquetting is installed through the pivot to the one end that the screw rod is located U type frame inside, the base upper surface is close to front surface position department and installs the scale plate.

Preferably, the front surface of the transparent protective cover is provided with a transparent plate through a hinge.

Preferably, the two rotating rollers are arranged at two sides of the inner wall of the transparent protective cover, and the two rotating rollers are respectively arranged at two sides of the inner wall of the transparent protective cover.

Preferably, the U-shaped frames are provided with two in total, and two U-shaped frames are respectively arranged on the upper surface of the sliding block and the upper surface of the base and close to the position of the inner side of the rotating motor, two fixing nuts are welded on the upper surfaces of the U-shaped frames, screws are inserted into the fixing nuts, two pressing blocks are arranged at one ends of the screw located inside the two U-shaped frames through rotating shafts, two rotary knobs are arranged at the tail ends of the screws, two ends of a rubber band or an elastic band are respectively arranged inside the two U-shaped frames, the two screws are driven to rotate through the two rotary knobs, and then the two pressing blocks descend and press and fix the two ends of the rubber band or the elastic band.

Preferably, the bevel gear B is sleeved on the outer surface of the movable screw rod, a rotating motor is arranged on one side, deviating from the transparent protective cover, of the upper surface of the base, the bevel gear A is arranged at the output end of the rotating motor, the bevel gear A is meshed with the bevel gear B, and the rotating motor works and drives the movable screw rod to rotate through the bevel gear A and the bevel gear B.

Preferably, a start-stop switch is arranged on one side of the front surface of the base, which is close to the rotating motor, and the start-stop switch is electrically connected with the rotating motor, and the start-stop of the rotating motor is controlled through the start-stop switch.

Preferably, the suction cups are arranged at the positions, close to the four corners, of the lower surface of the base, and the four suction cups can enable the base to be adsorbed on the detection table top.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the utility model, the transparent protective cover is arranged, so that the effect that the medical equipment such as a rubber band and an elastic band can be prevented from being sprung to a detection person after being broken in the stretching detection process is achieved, and the injury accident is avoided.

2. According to the utility model, the rotating rollers are arranged, so that the effect of reducing the stroke of the rubber band, the elastic band and other medical instruments in the stretching detection process and reducing the volume of the detection device is achieved, in the detection process, when the rubber band or the elastic band is overlong, the two ends of the rubber band or the elastic band are respectively fixed in the two U-shaped frames, and the rubber band or the elastic band passes through the two rotating rollers in a Z shape, so that the stroke of the rubber band or the elastic band in the stretching process is reduced, and the volume of the detection device is reduced.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is a schematic view of a partial front view of the U-shaped frame of the present utility model;

FIG. 3 is a schematic diagram of the main cross-sectional structure of the present utility model;

Fig. 4 is an enlarged schematic view of the structure of fig. 3a according to the present utility model.

Reference numerals: 1. a rotating motor; 2. a U-shaped frame; 3. a hinge; 4. a transparent protective cover; 5. a transparent plate; 6. a rotating roller; 7. a suction cup; 8. a scale plate; 9. a base; 10. a start-stop switch; 11. a knob; 12. a fixing nut; 13. a screw; 14. a rotating shaft; 15. briquetting; 16. a slide block; 17. a chute; 18. a screw nut; 19. moving the screw rod; 20. bevel gears A; 21. bevel gear B.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1 to 4, the tensile tester provided by the utility model comprises a rotating motor 1, a U-shaped frame 2 and a base 9, wherein one side of the upper surface of the base 9 is provided with a chute 17, the upper surface of the base 9 is provided with a transparent protective cover 4 at a position above the chute 17, the front surface of the transparent protective cover 4 is provided with a transparent plate 5 through a hinge 3, the inner wall of the transparent protective cover 4 is provided with a rotating roller 6, the inside of the base 9 is provided with a movable screw rod 19, the outer surface of the movable screw rod 19 is sheathed with a bevel gear B21, one side of the upper surface of the base 9, which is away from the transparent protective cover 4, is provided with the rotating motor 1, the output end of the rotating motor 1 is provided with a bevel gear a20, the bevel gear a20 is meshed with the bevel gear B21, the outer surface of the movable screw rod 19 is sheathed with a screw nut 18, the upper surface of the screw nut 18 is provided with a sliding block 16, the sliding block 16 is positioned inside the chute 17, the upper surface of the sliding block 16 is provided with two U-shaped frames 2, the U-shaped frames 2 are respectively arranged on the upper surface of the sliding block 16 and the position of the upper surface of the base 9, which is close to the inner side of the rotating motor 1, the upper surfaces of the two U-shaped frames 2 are welded with fixing nuts 12, the interiors of the two fixing nuts 12 are respectively inserted with screw rods 13, one ends of the two screw rods 13, which are positioned in the interiors of the two U-shaped frames 2, are respectively provided with a pressing block 15 through a rotating shaft 14, the tail ends of the two screw rods 13 are respectively provided with a knob 11, the upper surface of the U-shaped frames 2 is welded with a fixing nut 12, the interiors of the fixing nuts 12 are inserted with screw rods 13, one end of the screw rods 13, which is positioned in the U-shaped frames 2, is provided with a pressing block 15 through a rotating shaft 14, the position of the upper surface of the base 9, which is close to the front surface of the base 9, is provided with a starting and stopping switch 10, the starting and stopping switch 10 is electrically connected with the rotating motor 1, the start and stop of the rotary motor 1 are controlled by a start and stop switch 10.

One tensile tester operating principle based on example 1 is: when the elastic protective cover is used, two ends of a rubber band or an elastic band are respectively placed in the two U-shaped frames 2, two screws 13 are driven to rotate through two knobs 11, then two pressing blocks 15 descend and press and fix the two ends of the rubber band or the elastic band, a rotating motor 1 works and drives a movable screw rod 19 to rotate through a bevel gear A20 and a bevel gear B21, a screw nut 18 drives one of the U-shaped frames 2 to move, the rubber band or the elastic band is stretched, the length of the rubber band or the elastic band when being pulled and broken is observed through a scale plate 8 to judge whether the rubber band or the elastic band is qualified, and when the rubber band or the elastic band is broken, the transparent protective cover 4 can prevent the broken rubber band or the elastic band from being sprung to a detector.

Example two

As shown in fig. 1 and fig. 3, compared with the first embodiment, the tensile tester provided by the utility model further comprises two rotating rollers 6, wherein the two rotating rollers 6 are respectively arranged at two side positions of the inner wall of the transparent protective cover 4, suction cups 7 are respectively arranged at positions, close to four corners, of the lower surface of the base 9, and the four suction cups 7 are adsorbed on the table top to fix the base 9.

In this embodiment, when the elastic or the rubber band is too long, the two ends of the elastic or rubber band are respectively fixed inside the two U-shaped frames 2, and the elastic or rubber band passes through the two rotating rollers 6 in a zigzag manner, so that the stroke of the elastic or rubber band during stretching is reduced, and the volume of the detection device is reduced.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. The utility model provides a tensile tester, includes rotation motor (1), U type frame (2) and base (9), its characterized in that: the utility model discloses a transparent protective cover, including base (9), screw nut (18) are cup jointed to base (9) upper surface one side, base (9) upper surface is located spout (17) top position department and installs transparent protection casing (4), transparent protection casing (4) inner wall installs commentaries on classics roller (6), base (9) internally mounted has movable lead screw (19), movable lead screw (19) surface has cup jointed screw nut (18), surface mounting has slider (16) on screw nut (18), and slider (16) are located spout (17) inside, slider (16) upper surface mounting has U type frame (2), U type frame (2) upper surface welding has fixation nut (12), inside grafting of fixation nut (12) has screw rod (13), screw rod (13) are located the inside one end of U type frame (2) and install briquetting (15) through pivot (14), base (9) upper surface is close to front surface position department and installs scale plate (8).

2. A tensile tester according to claim 1, wherein: the front surface of the transparent protective cover (4) is provided with a transparent plate (5) through a hinge (3).

3. A tensile tester according to claim 1, wherein: the number of the rotating rollers (6) is two, and the two rotating rollers (6) are respectively arranged at the two sides of the inner wall of the transparent protective cover (4).

4. A tensile tester according to claim 1, wherein: the U-shaped frames (2) are provided with two in total, the two U-shaped frames (2) are respectively arranged on the upper surface of the sliding block (16) and the upper surface of the base (9) and close to the inner side position of the rotating motor (1), the two fixing nuts (12) are welded on the upper surfaces of the U-shaped frames (2), the screw rods (13) are inserted into the fixing nuts (12), the two screw rods (13) are arranged at one ends of the two U-shaped frames (2) through the rotating shafts (14), the pressing blocks (15) are arranged at one ends of the screw rods (13), and the rotary knobs (11) are arranged at the tail ends of the screw rods (13).

5. A tensile tester according to claim 1, wherein: the outer surface of the movable screw rod (19) is sleeved with a bevel gear B (21), one side, deviating from the transparent protective cover (4), of the upper surface of the base (9) is provided with a rotating motor (1), the output end of the rotating motor (1) is provided with a bevel gear A (20), and the bevel gear A (20) is meshed with the bevel gear B (21).

6. A tensile tester according to claim 1, wherein: a start-stop switch (10) is arranged on one side, close to the rotating motor (1), of the front surface of the base (9).

7. A tensile tester according to claim 1, wherein: suction cups (7) are arranged on the lower surface of the base (9) at positions close to four corners.