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Connecting structure and guide wire having the connecting structure

A structure and metal connection technology, applied in the direction of manufacturing tools, guide wires, household appliances, etc., can solve problems such as bending of flexible shafts, and achieve the effect of easy follow-up and improved flexibility

Active Publication Date: 2020-03-17
ASAHI INTECC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, since the flexible shaft described in Patent Document 1 connects the shaft and the coupling over the entire circumference of the coil spring, when the shaft and the coupling are grasped and bent, it is difficult to bend the shaft due to the resilience of the coil spring. Problem with bending several flexible shafts

Method used

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  • Connecting structure and guide wire having the connecting structure
  • Connecting structure and guide wire having the connecting structure
  • Connecting structure and guide wire having the connecting structure

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0033] figure 1 It is a side view of the connection structure of the first embodiment of the present invention, figure 2 is a side sectional view of the connection structure of the first embodiment, image 3 yes figure 1 The A-A sectional view of Figure 4 yes figure 1 BB sectional view of .

[0034] In addition, in this embodiment, the materials of the first rod 3 and the first metal wire 9 described later are the same, and the materials of the second rod 5 and the second metal wire 7 described later are the same for easy recognition. , only the second bar 5 and the second metal wire 7 are hatched in a mesh shape.

[0035] exist figure 1 as well as figure 2 Among them, the connection structure 1 connecting two metal rods is used to connect the first rod 3 made of stainless steel alloy and the second rod 5 made of nickel-titanium alloy, and the first rod 3 and the second rod Between the materials 5, a plurality of coils 4 are connected, and the plurality of coils 4 a...

no. 2 approach

[0050] Figure 5 is a side view of the connection structure of the second embodiment, Figure 6 It is a side sectional view of the connection structure of 2nd Embodiment.

[0051] In addition, in this embodiment, the materials of the third rod 23 and the third metal wire 29 described later are also the same, and in order to easily identify the materials of the fourth rod 25 and the fourth metal wire 27 described later, Similarly, mesh hatching is given only to the fourth bar 25 and the fourth metal wire 27 .

[0052] exist Figure 5 as well as Figure 6 Among them, the connection structure 21 connecting two metal rods is used to connect the third rod 23 made of stainless steel alloy and the fourth rod 25 made of nickel-titanium alloy, and the third rod 23 and the fourth rod Between the materials 25, a plurality of coils 24 are connected, and the plurality of coils 24 are formed by winding a third metal wire 29 made of a stainless steel alloy and a fourth metal wire 27 made...

no. 3 approach

[0066] Figure 7 is a schematic side view of the guide wire of the third embodiment, Figure 8 It is a schematic side sectional view of the guide wire of the third embodiment.

[0067] In addition, in this embodiment, the first cylindrical portion 33a, the first tapered portion 33b, the second cylindrical portion 33c, the second tapered portion 33d, and the third cylindrical portion of the core shaft 33 described later 33e and the fifth metal wire 39 are made of the same material. In order to easily identify the material of the fourth cylindrical portion 33g of the mandrel 33 described later and the material of the sixth metal wire 37 are the same, only the fourth cylindrical portion of the mandrel 33 33g and the sixth metal wire 37 are hatched in a mesh shape.

[0068] exist Figure 7 as well as Figure 8 Among them, the guide wire 40 includes a mandrel 33 and a coil body 48 covering the tip of the mandrel 33 .

[0069] The coil body 48 is a single coil body made of a st...

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Abstract

The present invention provides a connection structure and a guide wire having the connection structure. In the connection structure used to connect two metals, the flexibility of the connection part can be further improved, especially when the two metals are dissimilar metals, it can also be used appropriately. ground connection. The connection structure (1) arranges a plurality of coils (4) between the first rod body (3) made of stainless steel alloy and the second rod body (5) made of nickel-titanium alloy, and the plurality of coils (4) Formed by winding a first metal wire (9) made of a stainless steel alloy and a second metal wire (7) made of a nickel-titanium alloy, a first rod (3) made of a stainless steel alloy and a plurality of coils ( 4) The first metal wire (9) made of stainless steel alloy is connected, the second rod body (5) made of nickel-titanium alloy is connected with the second metal wire made of nickel-titanium alloy of multiple coils (4) (7) Connection.

Description

technical field [0001] The present invention relates to a connecting structure for connecting two metals and a guide wire provided with the connecting structure. Background technique [0002] Conventionally, various proposals have been made regarding a connection structure for connecting two metals, particularly a structure for making the connected connection portion flexible. [0003] For example, in Patent Document 1, it is described that the flexible shaft (connection structure) that connects the shaft portion 8 and the coupling 10 by using the flexible portion 9 composed of a coil spring, and describes that the coil spring is a plurality of coil springs. a little (see figure 1 wait). [0004] According to the flexible shaft described in Patent Document 1, the shaft portion and the coupling are connected by the coil spring, and since the connection portion is a coil spring, the connection portion can be made flexible. [0005] However, since the flexible shaft describe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F3/04A61M25/09
CPCA61L31/022A61M25/09A61M2025/09133A61M2025/09083A61M2025/09108A61M2025/09175A61M2025/09141A61M2025/09191A61L2400/16B21F15/04B21K25/00B21F45/008B21F15/06B21F15/08
Inventor 米泽聪
Owner ASAHI INTECC CO LTD
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