CN220574993U - Snake bone pipe wire rope assembly structure - Google Patents

Abstract

The utility model relates to a snake bone tube steel wire rope assembly structure, which comprises a snake bone tube, a steel wire rope and an assembly fixture, wherein the assembly fixture is provided with a fixing position capable of limiting the end displacement of the steel wire rope, the outer circumferential surface of the snake bone tube is provided with a welding point, and the assembly fixture can be inserted into the snake bone tube and clamped with the snake bone tube so that the fixing position corresponds to the welding point along the radial direction of the snake bone tube; relay through setting up the assembly fixture, limit wire rope's tip to be located the fixed position of assembly fixture to support through the card between assembly fixture and the snake bone pipe and realize the location between the two, thereby accomplish the correspondence between the welding point position of snake bone pipe and the wire rope tip, need not the operator and manually control the welding point position, effectively reduce assembly, the welding degree of difficulty between snake bone pipe and the wire rope, the going on of follow-up welding operation of being convenient for has also increased the uniformity of different batch product welding point positions simultaneously.

Description

Snake bone pipe wire rope assembly structure

Technical Field

The utility model relates to the technical field related to endoscopes, in particular to a snake bone tube steel wire rope assembly structure.

Background

The steel wire rope of endoscope and snake bone pipe pass through welded fastening, carry out welded fastening through traditional soldering or silver-colored welding at present mostly, and the solder joint position between steel wire rope and the snake bone pipe needs manual control in the welding process, and on the one hand is higher to the operator requirement, and the assembly degree of difficulty is higher relatively, assembly efficiency is lower relatively, and on the other hand the welding uniformity of different batches is lower relatively.

Disclosure of Invention

Based on the problems, the assembly efficiency and the welding consistency are low because the welding spot position needs to be manually controlled in the welding assembly between the steel wire rope and the snake bone pipe at present, and the assembly structure of the snake bone pipe steel wire rope with relatively high assembly efficiency and welding consistency is provided.

The application provides a snake bone pipe wire rope assembly structure, including snake bone pipe, wire rope and assembly fixture, the assembly fixture has can restrict wire rope end displacement's fixed position, snake bone pipe outer peripheral face has the welding point position, the assembly fixture can insert the snake bone pipe and with snake bone pipe card supports, so that the fixed position is followed the radial direction of snake bone pipe with the welding point position corresponds.

In one embodiment, the fixing position is a limiting groove formed in the outer circumferential surface of the assembly tool, the end portion of the steel wire rope is provided with a limiting portion, and the limiting portion can abut against the inner wall of the limiting groove along the axial direction.

In one embodiment, the outer circumferential surface of the assembly fixture is provided with a steel wire rope groove extending along the axial direction of the assembly fixture, the steel wire rope groove penetrates through the limiting groove, and part of the steel wire rope is embedded in the steel wire rope groove and abuts against the inner wall of the steel wire rope groove along the radial direction of the assembly fixture.

In one embodiment, the limiting groove penetrates the snake bone tube in a tangential direction.

In one embodiment, the snake bone tube is provided with a plurality of inward-sinking parts for limiting the steel wire rope to move along the radial direction of the snake bone tube, and the fixing position and the welding point position are positioned on the same cross section along the radial direction when the assembly fixture is inserted into the snake bone tube to be propped against the inward-sinking parts on one side closest to the welding point position along the axial direction.

In one embodiment, the assembly fixture is provided with an abutting portion with a diameter larger than the inner diameter of the snake bone tube, and when the assembly fixture is inserted into the snake bone tube until the abutting portion abuts against the axial end face of the snake bone tube, the fixing position and the welding point position are located on the same cross section along the radial direction.

In one embodiment, the end face of one side of the assembly fixture along the axial direction is provided with a limiting protrusion, and when the fixing position and the welding point are located in the same cross section along the axial direction, the limiting protrusion can be axially inserted into a gap between the invagination part and the inner wall of the snake bone tube and is abutted against the invagination part along the circumferential direction so as to limit the circumferential rotation of the assembly fixture.

In one embodiment, when the fixing position corresponds to the welding point position along the radial direction of the snake bone tube, part of the assembly fixture is positioned outside the snake bone tube.

In one embodiment, the ends of the wire rope have a solder coating.

In one embodiment, the end of the steel wire rope and the welding point of the snake bone tube are fixed by laser welding.

Above-mentioned snake bone pipe wire rope assembly structure relays through setting up the assembly fixture, limits the tip of wire rope in the fixed position of assembly fixture to support through the card between assembly fixture and the snake bone pipe and realize the location between the two, thereby accomplish the correspondence between the welded point position of snake bone pipe and the wire rope tip, need not the operator manual control welded point position, effectively reduce assembly, the welding degree of difficulty between snake bone pipe and the wire rope, the going on of follow-up welding operation of being convenient for has also increased the uniformity of different batch product welded point positions simultaneously.

Drawings

FIG. 1 is a schematic perspective view of an assembly structure of a snake bone tube steel wire rope;

FIG. 2 is a schematic perspective view of the assembly fixture of FIG. 1;

FIG. 3 is a schematic front view of a portion of the wire rope and the stop portion of FIG. 1;

FIG. 4 is a cross-sectional view of the portion of the snake bone tube and the corresponding portion of the limiting boss of FIG. 1 taken along the cross-sectional direction;

fig. 5 is a schematic diagram of the left-hand view of fig. 2.

Reference numerals: 10. a snake bone tube; 11. an inward recess; 20. a wire rope; 21. a limit part; 30. assembling a tool; 31. a limit groove; 32. a wire rope groove; 33. and a limit protrusion.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Please combine fig. 1 and 2 to show, this application provides a snake bone pipe wire rope assembly structure, including snake bone pipe 10, wire rope 20 and assembly fixture 30, assembly fixture 30 has the fixed position that can restrict wire rope 20 tip displacement, and snake bone pipe 10 outer peripheral face has the welding point position, and assembly fixture 30 can insert snake bone pipe 10 and support with snake bone pipe 10 card to make the fixed position along the radial direction of snake bone pipe 10 and welding point position correspond.

The assembly fixture 30 is arranged for relay, the end part of the steel wire rope 20 is limited at the fixed position of the assembly fixture 30, and the positioning between the assembly fixture 30 and the snake bone pipe 10 is realized through the clamping between the assembly fixture 30 and the snake bone pipe 10, so that the correspondence between the welding point position of the snake bone pipe 10 and the end part of the steel wire rope 20 is completed, the welding point position is not required to be controlled manually by an operator, the assembly and welding difficulty between the snake bone pipe 10 and the steel wire rope 20 is effectively reduced, the follow-up welding operation is convenient, and the consistency of the welding point positions of products in different batches is increased.

Referring to fig. 2 and fig. 3, in some embodiments, the fixing portion is a limiting groove 31 formed on the outer peripheral surface of the assembly fixture 30, the end portion of the wire rope 20 has a limiting portion 21, and the limiting portion 21 can abut against the inner wall of the limiting groove 31 along the axial direction.

The diameter of the limiting portion 21 is larger than that of the wire rope 20, so that the limiting portion 21 can be positioned in the axial direction by being clamped against the inner wall of the limiting groove 31.

In some embodiments, the limiting portion 21 can also abut against the inner wall of the limiting groove 31 along the radial direction of the wire rope 20, so that after the assembly fixture 30 is inserted into the snake bone tube 10, the movement freedom degree of the limiting portion 21 along the radial direction is limited by the inner wall of the limiting groove 31 and the inner wall of the snake bone tube 10 in cooperation, and thus the positioning of the limiting portion 21 (i.e. the end portion of the wire rope 20) is achieved.

In some embodiments, the limiting portion 21 is a solder coating, and during the welding process of the wire rope 20 and the snake bone tube 10, the solder coating is melted and used for connecting the wire rope 20 and the snake bone tube 10, so that the end portion of the wire rope 20 is restored to the original diameter and is not blocked by the assembly fixture 30, i.e. the assembly fixture 30 can be normally pulled out from the snake bone tube 10 after the welding is completed.

Of course, the fixing position can be other structures, as long as the mutual fixation between the assembly fixture 30 and the steel wire rope 20 can be realized, and the fixation can be released after the welding is finished, for example, the end part of the steel wire rope 20 is adhered to the fixing position to realize the fixation, and the bonding fixation structure between the assembly fixture 30 and the steel wire rope 20 can be destroyed on the premise that the welding is not influenced because the welding firmness is far greater than the bonding firmness after the welding is finished by strongly extracting the assembly fixture 30.

Referring to fig. 2 and fig. 3, in some embodiments, a steel wire groove 32 extending along an axial direction of the outer circumferential surface of the assembly fixture 30 is formed, the steel wire groove 32 penetrates through the limiting groove 31, and a portion of the steel wire rope 20 is embedded in the steel wire groove 32 and abuts against an inner wall of the steel wire groove 32 along a radial direction of the steel wire rope.

After the assembly fixture 30 is inserted into the snake bone tube 10, the steel wire rope groove 32 and the inner wall of the snake bone tube 10 can limit the movement freedom degree of the steel wire rope 20 along the radial direction, and the limit groove 31 is matched with the limit effect of the limit part 21 along the axial direction, so that the steel wire rope 20 is completely positioned.

In addition, the steel wire rope 20 is embedded in the steel wire rope groove 32, so that the situation that the steel wire rope 20 is deviated due to friction between the steel wire rope 20 and the inner wall of the snake bone tube 10 in the process of inserting the assembly fixture 30 into the snake bone tube 10 can be avoided.

Referring to fig. 2, in some embodiments, the limiting groove 31 penetrates the snake bone tube 10 in a tangential direction; to reduce the possibility of misconnection to the assembly fixture 30 during spot welding of the end of the wire rope 20 to the snake bone 10.

Referring to fig. 1 and 4, in some embodiments, the snake bone tube 10 has a plurality of inward recessed portions 11 for limiting the radial movement of the wire rope 20, and the fixing position and the welding point are located in the same cross section along the radial direction when the assembly fixture 30 is inserted into the snake bone tube 10 to axially abut against the inward recessed portion 11 on the side closest to the welding point.

Through designing the position of the fixed position on the assembly fixture 30, the operator only needs to insert the assembly fixture 30 into the snake bone tube 10 to the extreme limit position to realize the correspondence between the fixed position and the welding point position along the radial direction by matching the blocking effect of the inward-sinking part 11, and the assembly difficulty is further reduced.

In some embodiments, the assembly fixture 30 has an abutment portion with a diameter larger than the inner diameter of the snake bone tube 10, and when the assembly fixture 30 is inserted into the snake bone tube 10 until the abutment portion abuts against the axial end surface of the snake bone tube 10, the fixing position and the welding point position are located in the same cross section along the radial direction.

Of course, the assembly fixture 30 may have other structures, and the fixing position and the corresponding position of the welding point along the radial direction can be realized mainly through the clamping between the assembly fixture 30 and the snake bone tube 10.

As shown in fig. 1, 4 and 5, in some embodiments, a limiting protrusion 33 is provided on one side end surface of the assembly fixture 30 along the axial direction, and when the fixing position and the welding point are located at the same cross section along the axial direction, the limiting protrusion 33 can be axially inserted into a gap between the invagination portion 11 and the inner wall of the snake bone tube 10 and abut against the invagination portion 11 along the circumferential direction so as to limit circumferential rotation of the assembly fixture 30, thereby realizing positioning between the assembly fixture 30 and the snake bone tube 10.

In some embodiments, the limiting protrusion 33 has an inclined plane or an arc surface, so as to play a role in guiding during the insertion process of the assembly fixture 30, and the assembly fixture 30 is rotated to a proper position against the invagination portion 11 through the inclined plane or the arc surface, so as to further reduce the assembly difficulty.

In some embodiments, the partial assembly fixture 30 is located outside the snake bone tube 10 when the fixation locations correspond to the weld locations along the radial direction of the snake bone tube 10; so as to be convenient to hold after welding is completed and to separate the assembly fixture 30 from the snake bone tube 10.

In some embodiments, the end of the assembly fixture 30 outside the snake bone tube 10 may further be provided with a holding portion to further reduce the difficulty of separation.

Referring to fig. 3, in some embodiments, the ends of the wire rope 20 have a solder coating; the end here refers to one side end of the wire rope 20 for welding with the snake bone tube 10.

The solder coating can reduce the possibility of stranding of the end part of the steel wire rope 20 during welding on the one hand, and can melt and connect the steel wire rope 20 and the snake bone pipe 10 during welding on the other hand, so that the welding firmness degree of the steel wire rope 20 and the snake bone pipe 10 can be increased.

In some embodiments, the solder plating is a tin layer, a silver layer, or other solder layer.

In some embodiments, the weld points of the ends of the wire rope 20 and the snake 10 are fixed by laser welding.

It can be appreciated that conventional soldering or silver soldering requires polishing after soldering, resulting in lower soldering efficiency; and laser welding does not need polishing after welding is finished, but the corresponding precision requirement of the parts to be welded is higher.

In this application, can ensure the corresponding precision between wire rope 20 tip and the snake bone pipe 10 welded point position through assembly fixture 30 to satisfy laser welding's demand, saved the step of polishing after the welding, further increased welding efficiency.

In some embodiments, the laser beam is emitted to the welding point of the snake bone tube 10 during laser welding to complete fusion welding between the snake bone tube 10 and the wire rope 20; the situation that the laser beam irradiates the steel wire rope directly to cause the strand scattering of the steel wire rope is avoided.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. The utility model provides a snake bone pipe wire rope assembly structure, its characterized in that, includes snake bone pipe (10), wire rope (20) and assembly frock (30), assembly frock (30) have can restrict the fixed position of wire rope (20) tip displacement, snake bone pipe (10) outer peripheral face has the welding point position, assembly frock (30) can insert snake bone pipe (10) and with snake bone pipe (10) card is supported, so that the fixed position is followed the radial direction of snake bone pipe (10) with the welding point position corresponds.

2. The snake bone tube steel wire rope assembly structure according to claim 1, wherein the fixing position is a limiting groove (31) formed in the outer peripheral surface of the assembly tool (30), the end portion of the steel wire rope (20) is provided with a limiting portion (21), and the limiting portion (21) can abut against the inner wall of the limiting groove (31) along the axial direction.

3. The snake bone tube steel wire rope assembly structure according to claim 2, wherein the outer circumferential surface of the assembly fixture (30) is provided with a steel wire rope groove (32) extending along the axial direction of the assembly fixture, the steel wire rope groove (32) penetrates through the limit groove (31), and part of the steel wire rope (20) is embedded in the steel wire rope groove (32) and abuts against the inner wall of the steel wire rope groove (32) along the radial direction of the assembly fixture.

4. A snake bone tube wire rope assembly according to claim 3, characterised in that the limit groove (31) extends tangentially through the snake bone tube (10).

5. The snake bone tube steel wire rope assembly structure according to claim 1, wherein the snake bone tube (10) is internally provided with a plurality of inward-sinking parts (11) used for limiting the steel wire rope (20) to move along the radial direction of the snake bone tube (10), and the fixing position and the welding point position are positioned in the same cross section along the radial direction when the assembly fixture (30) is inserted into the snake bone tube (10) to be abutted with the inward-sinking parts (11) closest to one side of the welding point position along the axial direction.

6. The snake bone tube steel wire rope assembly structure according to claim 1, wherein the assembly fixture (30) is provided with an abutting portion with a diameter larger than the inner diameter of the snake bone tube (10), and when the assembly fixture (30) is inserted into the snake bone tube (10) until the abutting portion abuts against the axial end face of the snake bone tube (10), the fixing position and the welding point position are located on the same cross section along the radial direction.

7. The snake bone tube steel wire rope assembly structure according to claim 5 or 6, wherein one side end face of the assembly fixture (30) along the axial direction is provided with a limiting protrusion (33), and when the fixing position and the welding point are located on the same cross section along the axial direction, the limiting protrusion (33) can be axially inserted into a gap between the invagination part (11) and the inner wall of the snake bone tube (10) and is abutted against the invagination part (11) along the circumferential direction so as to limit circumferential rotation of the assembly fixture (30).

8. The snake bone tube steel wire rope assembly structure according to claim 1, wherein part of the assembly fixture (30) is located outside the snake bone tube (10) when the fixing position corresponds to the welding point position along the radial direction of the snake bone tube (10).

9. A snake bone tube steel wire rope assembly according to claim 1, characterised in that the ends of the steel wire rope (20) are provided with a solder plating.

10. The snake bone tube steel wire rope assembly structure according to claim 1, characterized in that the end of the steel wire rope (20) and the welding point of the snake bone tube (10) are fixed by laser welding.