CN218865428U

CN218865428U - Span adjustable tubulose part rigidity test fixture

Info

Publication number: CN218865428U
Application number: CN202222707289.3U
Authority: CN
Inventors: 吴宁可; 彭亚军; 郭科; 尹绪伟; 吴永志; 孙云; 戴会新; 李菲
Original assignee: Wuhan Jiyuan Intelligent Manufacturing Medical Technology Co ltd
Current assignee: Wuhan Jiyuan Intelligent Manufacturing Medical Technology Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-04-14
Anticipated expiration: 2032-10-14

Abstract

The utility model relates to a span adjustable tubular part rigidity test fixture, including base, rotating part, drive division, movable support and push rod, the one end of base is formed with the fixed bolster, and the rotating part rotates and connects in the other end of base, and the drive division is linked with the rotating part transmission, along linear motion under the drive of rotating part, and the movable support is fixed connection in the one end of drive division towards the fixed bolster, and the push rod is used for connecting the press; during the use, place the both ends of tubulose part on movable support and fixed bolster, just can test the amount of deflection of tubulose part under the effect of press through the push rod, when the tubulose part of different external diameters and wall thickness of needs test, rotate the rotating part, under the drive of rotating part, thereby the transmission portion drives movable support along linear motion and removes, thereby adjusted the interval of movable support and fixed bolster, make the interval of movable support and fixed bolster satisfy the external diameter of multiple specification and the tubulose part test demand of wall thickness.

Description

Span adjustable tubulose part rigidity test fixture

Technical Field

The utility model relates to a tubulose part rigidity test technical field especially relates to a span adjustable tubulose part rigidity test frock.

Background

Nowadays, the market scale of the medical appliance industry is getting bigger and bigger, and various medical appliances are in endlessly growing; among them, the tubular parts are the most widely used parts in medical instruments, the requirements on the quality, grade and the like of the tubular parts are very strict in use, the performance test of the tubular parts is also more strict, and the health, safety and durability of the tubular parts are ensured. The service life of the tubular part is determined by the deflection of the tubular part, and when the deflection of the tubular part is tested, the test span of the tubular part with different outer diameters and wall thicknesses needs to be adjusted, the test tool on the market can only test the tubular part with single outer diameter and wall thickness at present, and the test span cannot be adjusted adaptively, so that the test tool cannot meet the test requirements of the tubular parts with various specifications of outer diameters and wall thicknesses.

SUMMERY OF THE UTILITY MODEL

For solving the defect that prior art exists, the utility model aims to provide a span adjustable tubulose part rigidity test fixture can solve test fixture on the present market and can only test to the tubulose part of single external diameter and wall thickness, and the span of the adjustment test of unable adaptability to the problem of the tubulose part test demand of the external diameter of unable multiple specification and wall thickness of adaptation.

In order to achieve the above purpose, the utility model adopts a technical scheme that:

the utility model provides a span adjustable tubulose part rigidity test fixture, includes:

a base, one end of which is formed with a fixed bracket;

the rotating part is rotatably connected to the other end of the base;

the transmission part is in transmission link with the rotating part and moves along a straight line under the driving of the rotating part;

the movable support is fixedly connected to one end, facing the fixed support, of the transmission part;

and the push rod is used for connecting the press machine.

Optionally, the base includes bottom plate and stopper, fixed bolster fixed mounting in the one end of bottom plate, stopper fixed mounting in the other end of bottom plate, and the rotating part rotates to be connected in the stopper.

Optionally, the base further comprises a sliding rail, the sliding rail is fixed on the bottom plate, a sliding groove is formed in the bottom of the movable support, and the sliding rail is arranged in the sliding groove in a sliding mode.

Optionally, the cross section of the sliding rail is I-shaped, and the cross section of the sliding rail is matched with that of the sliding groove.

Optionally, the rotating part comprises a rotating block, the rotating block is rotatably connected with the limiting block, and an internal thread is formed inside the rotating block; the transmission part comprises a transmission rod, one end of the transmission rod is fixedly connected with the movable support, an external thread is formed on the outer surface of the transmission rod, and the transmission rod is in threaded connection with the inside of the rotating block.

Optionally, an arc-shaped groove is formed at the upper part of the limiting block, and the rotating block is rotatably arranged in the arc-shaped groove.

Optionally, the rotating part still includes the connecting pipe and rotates the handle, and connecting pipe and rotation handle coaxial coupling deviate from the terminal surface that removes the support in rotatory piece, and the connecting pipe is formed with the internal thread with the inside looks adaptation of rotatory piece with the inside of rotating the handle, and the transfer line spiro union is inside the connecting pipe and the rotation handle.

Optionally, a sawtooth strip is formed on the surface of the rotating handle.

Optionally, scales are formed on two sides of the bottom plate.

Optionally, the upper ends of the fixed bracket and the movable bracket are both formed with a placing groove, and the placing groove on the fixed bracket and the placing groove on the movable bracket are coaxially arranged and parallel to the moving direction of the transmission part; the section of the placing groove is V-shaped.

Adopt the utility model provides a span adjustable tubulose part rigidity test fixture, beneficial effect lies in:

the tubular part placing support is formed by combining the movable support and the fixed support, and when the tubular part placing support is used, the two ends of the tubular part are placed on the movable support and the fixed support, so that the flexibility of the tubular part can be tested under the action of a press machine through the push rod. When the tubular part of different external diameters of needs test and wall thickness, because the rotating part rotates to be connected in the other end of base, transmission portion is linked with the rotating part transmission, can rotate the rotating part, and under the drive of rotating part, thereby transmission portion drives along linear motion and removes the movable support and remove, thereby adjusted the interval that removes movable support and fixed bolster, the interval that makes movable support and fixed bolster satisfies the external diameter of multiple specification and the tubular part test demand of wall thickness.

Drawings

Fig. 1 is a perspective view of a rigidity testing tool for a tubular part with an adjustable span according to the present application;

FIG. 2 is a top view of the rigidity testing tool for tubular parts with adjustable span according to the present application;

FIG. 3 is a side view of the rigidity testing tool for the tubular part with the adjustable span.

Description of the reference numerals: 1. a base; 2. a rotating part; 3. a transmission section; 4. moving the support; 5. a push rod; 6. a base plate; 7. a limiting block; 8. a slide rail; 9. rotating the block; 10. a connecting pipe; 11. rotating the handle; 12. a transmission rod; 13. an arc-shaped slot; 14. a sawtooth strip; 15. calibration; 16. a placement groove; 17. and fixing the bracket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more clearly understood, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.

With reference to fig. 1 to 3, the present application provides a tubular part rigidity testing tool with an adjustable span, which includes a base 1, a rotating portion 2, a transmission portion 3, a movable support 4 and a push rod 5. Wherein, a fixed bracket 17 is formed at one end of the base 1, the rotating part 2 is rotatably connected to the other end of the base 1, the transmission part 3 is in transmission connection with the rotating part 2 and moves along a straight line under the drive of the rotating part 2, and the movable bracket 4 is fixedly connected to one end of the transmission part 3 facing the fixed bracket 17; the push rod 5 is used for connecting the press. The tubular part placing support is formed by combining the movable support 4 and the fixed support 17, and when the tubular part placing support is used, two ends of the tubular part are placed on the movable support 4 and the fixed support 17, so that the deflection of the tubular part can be tested under the action of the press through the push rod 5. When the different external diameters of needs test and the tubular part of wall thickness, because rotating part 2 rotates the other end of connecting in base 1, transmission portion 3 links with the transmission of rotating part 2, can rotate rotating part 2, under the drive of rotating part 2, thereby transmission portion 3 drives along linear motion and removes movable support 4 and remove, thereby adjusted the interval that removes movable support 4 and fixed bolster 17, make the interval that removes movable support 4 and fixed bolster 17 satisfy the external diameter of multiple specification and the tubular part test demand of wall thickness.

Further, base 1 of this embodiment includes bottom plate 6, stopper 7 and slide rail 8, wherein fixed bolster 17 fixed mounting is in the one end of bottom plate 6, stopper 7 fixed mounting is in the other end of bottom plate 6, slide rail 8 is fixed on bottom plate 6, the both sides of bottom plate 6 are formed with scale 15, movable support 4 can only move between fixed bolster 17 and stopper 7, and the interval between reaction movable support 4 that scale 15 can be accurate and fixed bolster 17, carry out the control to the interval during convenient adjustment.

The bottom of the movable support 4 of this embodiment is formed with a sliding slot, and the sliding rail 8 is slidably disposed in the sliding slot. It is easy to understand that the cross section of the sliding rail 8 of the present embodiment is i-shaped, and the cross section of the sliding rail 8 is matched with the cross section of the sliding chute. Of course, the cross section of the slide rail 8 can be selected according to actual needs, such as a T-shape. Through the spout cooperation that sets up slide rail 8 and movable support 4 to avoid movable support 4 and bottom plate 6 separation, and

movable support

4 and 3 fixed connection of transmission portion, transmission portion 3 links with the transmission of rotating part 2, thereby makes rotating part 2 also unable and base 1 break away from, has guaranteed that rotating part 2 can be at the stable rotation of the other end of base 1.

Further, the rotating part 2 is rotatably connected to the limiting block 7, the rotating part 2 comprises a rotating block 9, a connecting pipe 10 and a rotating handle 11, the rotating block 9 is rotatably connected with the limiting block 7, and internal threads are formed inside the rotating block 9; the transmission part 3 comprises a transmission rod 12, one end of the transmission rod 12 is fixedly connected with the movable bracket 4, the outer surface of the transmission rod 12 is provided with an external thread, and the transmission rod 12 is screwed in the rotating block 9. By rotating the rotary block 9, the transmission rod 12 is then moved inside the rotary block 9, and thus the mobile carriage 4. It is easily understood that in the present embodiment, the rotating portion 2 and the transmission portion 3 are driven by the rotation of the screw threads, and in other embodiments, other mechanisms capable of realizing parallel transmission, such as worm and gear transmission, rack and pinion transmission, or crank link mechanism, may be substituted to realize the position adjustment of the moving bracket 4.

It is worth noting that the connecting pipe 10 and the rotating handle 11 are coaxially connected to the end face of the rotating block 9, which is far away from the movable support 4, inner threads matched with the inner portion of the rotating block 9 are formed inside the connecting pipe 10 and the rotating handle 11, the transmission rod 12 is screwed inside the connecting pipe 10 and the rotating handle 11, and the sawtooth rack 14 is formed on the surface of the rotating handle 11, so that friction can be increased, and rotation of the rotating portion 2 is facilitated.

Furthermore, an arc-shaped groove 13 is formed at the upper part of the limiting block 7, and the rotating block 9 is rotatably arranged in the arc-shaped groove 13. The arc-shaped groove 13 limits the rotating block 9, and the axial movement of the rotating block 9 is avoided, so that the measuring precision is not influenced.

Further, the upper ends of the fixed bracket 17 and the movable bracket 4 are both formed with a placing groove 16, the placing groove 16 on the fixed bracket 17 and the placing groove 16 on the movable bracket 4 are coaxially arranged and parallel to the moving direction of the transmission part 3; the cross section of the placing groove 16 is V-shaped, so that the stability of the tubular part can be kept.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present application, it is to be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the above terms may be understood by those skilled in the art according to specific situations.

The above embodiments are merely illustrative of the present invention, and not all embodiments. The present invention may be embodied in other specific forms or forms without departing from its spirit or essential characteristics. The described embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the invention should be determined by the appended claims, and any changes that are equivalent to the intent and scope of the claims are intended to be included within the scope of the invention.

Claims

1. The utility model provides a span adjustable tubulose part rigidity test fixture which characterized in that includes:

the device comprises a base, a fixing bracket and a fixing device, wherein a fixing bracket is formed at one end of the base;

the rotating part is rotatably connected to the other end of the base;

the transmission part is in transmission linkage with the rotating part and is driven by the rotating part to move along a straight line;

the movable bracket is fixedly connected to one end, facing the fixed bracket, of the transmission part;

and the push rod is used for connecting the press machine.

2. The tool for testing the rigidity of the tubular part with the adjustable span according to claim 1, wherein the base comprises a bottom plate and a limiting block, the fixing bracket is fixedly installed at one end of the bottom plate, the limiting block is fixedly installed at the other end of the bottom plate, and the rotating part is rotatably connected to the limiting block.

3. The tooling for testing the rigidity of the tubular part with the adjustable span according to claim 2, wherein the base further comprises a slide rail fixed on the bottom plate, a slide groove is formed at the bottom of the movable support, and the slide rail is slidably disposed in the slide groove.

4. The tooling for testing the rigidity of the tubular part with the adjustable span according to claim 3, wherein the cross section of the slide rail is I-shaped, and the cross section of the slide rail is matched with the cross section of the sliding groove.

5. The tool for testing the rigidity of the tubular part with the adjustable span according to claim 2, wherein the rotating part comprises a rotating block, the rotating block is rotatably connected with the limiting block, and internal threads are formed inside the rotating block; the transmission part comprises a transmission rod, one end of the transmission rod is fixedly connected with the movable support, an external thread is formed on the outer surface of the transmission rod, and the transmission rod is screwed inside the rotating block.

6. The tubular part rigidity test fixture of claim 5, characterized in that an arc-shaped groove is formed at the upper part of the limiting block, and the rotating block is rotatably arranged in the arc-shaped groove.

7. The tooling for testing the rigidity of the tubular part with the adjustable span according to claim 6, wherein the rotating part further comprises a connecting pipe and a rotating handle, the connecting pipe and the rotating handle are coaxially connected to the end surface of the rotating block, which is far away from the movable support, internal threads matched with the inside of the rotating block are formed inside the connecting pipe and the rotating handle, and the transmission rod is screwed inside the connecting pipe and the rotating handle.

8. The tool for testing the rigidity of the tubular part with the adjustable span according to claim 7, wherein a sawtooth rack is formed on the surface of the rotating handle.

9. The tool for testing the rigidity of the tubular part with the adjustable span according to claim 2, wherein scales are formed on two sides of the bottom plate.

10. The tool for testing the rigidity of the tubular part with the adjustable span according to any one of claims 1 to 9, wherein the fixed support and the movable support are both provided with a placing groove at the upper end, and the placing groove on the fixed support and the placing groove on the movable support are coaxially arranged and are parallel to the movement direction of the transmission part; the section of the placing groove is V-shaped.