CN220533293U

CN220533293U - Endoscope welding jig and endoscope welding assembly

Info

Publication number: CN220533293U
Application number: CN202322146333.2U
Authority: CN
Inventors: 徐奇
Original assignee: Shenzhen Comen Medical Instruments Co Ltd
Current assignee: Shenzhen Comen Medical Instruments Co Ltd
Priority date: 2023-08-09
Filing date: 2023-08-09
Publication date: 2024-02-27
Anticipated expiration: 2033-08-09

Abstract

The utility model relates to the technical field of welding equipment, and discloses an endoscope welding fixture and an endoscope welding assembly. The rotating support one end is equipped with and holds the chamber, holds the shape in chamber and the at least partial outline phase-match of base of endoscope, and the other end of rotating support is equipped with the passageway, and the passageway is equipped with the passageway and holds the chamber intercommunication, and under the base setting of endoscope in holding the condition in the chamber, the passageway is worn out to the inner tube of endoscope, and the action wheel is connected with driving motor, is suitable for being driven by driving motor, sets up in the lateral wall of rotating support from the driving wheel, cooperatees with the action wheel. The welding fixture for the endoscope can ensure that the inner tube and the inner tube interface are stably in butt joint, and can control the rotation angle and the rotation speed of the rotating bracket through the driving motor, so that welding spots can uniformly and accurately fall at the gap between the inner tube and the inner tube interface, the welding quality is improved, and the welding sealing effect is ensured.

Description

Endoscope welding jig and endoscope welding assembly

Technical Field

The utility model relates to the technical field of welding equipment, in particular to an endoscope welding fixture and an endoscope welding assembly.

Background

The sealing performance of the endoscope is the key of clear imaging, and various parts of most existing endoscopes are sealed in a glue bonding mode, so that the endoscope is poor in waterproofness and air tightness and cannot be sterilized at high temperature and high pressure. The parts of a few endoscopes are sealed by welding, but when welding is performed by using the existing endoscope welding jig, the welding quality of the endoscope is poor.

Disclosure of Invention

In view of the above, the present utility model provides an endoscope welding jig and an endoscope welding assembly to solve the problem of poor welding tightness between a base and an inner tube.

In a first aspect, the present utility model provides an endoscope welding jig comprising:

a driving motor;

one end of the rotating bracket is provided with a containing cavity, and the shape of the containing cavity is matched with at least part of the outer contour of the base of the endoscope; the other end of the rotary bracket is provided with a channel which is communicated with the accommodating cavity; when the base of the endoscope is arranged in the accommodating cavity, the inner tube of the endoscope penetrates out of the channel;

the driving wheel is connected with the driving motor and is suitable for being driven by the driving motor;

and the driven wheel is arranged on the side wall of the rotary bracket and is matched with the driving wheel.

The beneficial effects are that: the endoscope welding fixture can ensure the butt joint stability of the inner tube and the inner tube interface, and can automatically control the rotation angle and the rotation speed of the rotating bracket through the driving motor, so that welding spots can fall on the gap between the inner tube and the inner tube interface uniformly and accurately, the welding quality is improved, and the welding sealing effect is ensured.

In an alternative embodiment, the endoscope welding fixture further comprises a working platform and a bearing, wherein the working platform is provided with a first through hole, the rotating bracket penetrates through the first through hole, and the bearing is arranged between the side wall of the rotating bracket and the inner wall of the first through hole.

The beneficial effects are that: the rotating support is connected with the working platform through the bearing, so that the rotating support can rotate more smoothly, the stability of the rotating support during rotation is improved, the rigidity of the working platform is good, the mechanical vibration generated during the operation of the welding fixture of the endoscope can be reduced, and the welding precision and the welding quality are improved.

In an alternative embodiment, the rotary bracket comprises a bracket body and a connecting section formed by extending along the axis of the bracket body, the accommodating cavity is arranged in the bracket body, the driven wheel is arranged on the side wall of the bracket body, and the channel is arranged in the connecting section; the end part of the connecting section penetrates through the first through hole, and the bearing is arranged between the side wall of the connecting section and the inner wall of the first through hole.

The beneficial effects are that: one end of the inner pipe extends into the channel in the connecting section, the other end of the inner pipe extends out of the connecting section and is positioned below the working platform, and the arrangement can avoid the inner pipe from breaking or bending after a worker touches the inner pipe by mistake in the welding process.

In an alternative embodiment, the rotation axes of the rotary support and the driven wheel are perpendicular to the working platform.

The beneficial effects are that: when welding, only the falling point direction of the welding point is perpendicular to the working platform, and the welding point is adjusted to the gap between the inner pipe and the inner pipe interface, so that the welding device is simple and convenient to operate and is beneficial to improving the welding precision.

In an alternative embodiment, the driving motor is fixed on the working platform, and the output shaft of the driving motor and the rotation axis of the driving wheel are perpendicular to the working platform.

The beneficial effects are that: the driving wheel and the driven wheel are arranged in parallel with the table top of the working platform, the driving wheel and the driven wheel are convenient to install and arrange, and the structure of the endoscope welding fixture can be more compact.

In an alternative embodiment, the depth of the receiving cavity is less than the axial length of the base of the endoscope.

The beneficial effects are that: the base is installed in holding the chamber after, and the base is equipped with the one end of second pipeline interface and stretches out and hold the chamber, and the solder joint of being convenient for passes second pipeline interface and falls in the clearance department between inner tube and the inner tube interface, still is convenient for directly take out base and inner tube follow runing rest after the welding is accomplished.

In an alternative embodiment, the end of the rotary support, provided with the accommodating cavity, is provided with a groove, and the adapter of the endoscope is clamped in the groove when the endoscope base is arranged in the accommodating cavity.

The beneficial effects are that: after the base is arranged on the rotating bracket, the adapter is clamped in the groove, so that the base can be ensured to be positioned at a correct welding position in the rotating process of the rotating bracket, and the stability of the base in the welding process is improved.

In an alternative embodiment, a fixed sleeve is arranged in the channel, and the endoscope inner tube is in interference fit with the fixed sleeve under the condition that the endoscope inner tube is arranged in the channel.

The beneficial effects are that: through setting up fixed cover, can ensure that the inner tube remains fixed in the welding process, thereby avoid the inner tube to slide downwards in the passageway and influence welding quality.

In an alternative embodiment, the material of the fixing sleeve is a rubber material.

The beneficial effects are that: the rubber material has certain elasticity, can prevent that the fixed cover from making inner tube 7 warp after the extrusion inner tube to, when the inner tube is taken out from fixed cover, the fixed cover of rubber material can avoid the inner tube to be scratched.

In a second aspect, the utility model also provides an endoscope welding assembly comprising a laser welding head and the endoscope welding fixture.

The beneficial effects are that: because the endoscope welding assembly includes the endoscope welding jig, it has the same effect as the endoscope welding jig, and a detailed description thereof will be omitted.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view showing a partial structure of an endoscope according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of the endoscope shown in FIG. 1;

FIG. 3 is a schematic view of an endoscope welding jig according to an embodiment of the present utility model;

FIG. 4 is an exploded view of the endoscope welding jig shown in FIG. 3;

FIG. 5 is a cross-sectional view of the endoscope welding jig shown in FIG. 3;

fig. 6 is an enlarged view of a portion of the endoscope welding jig shown in fig. 5.

Reference numerals illustrate:

100. an endoscope welding jig; 200. a laser welding head; 1. a driving motor; 11. an output shaft; 2. a rotating bracket; 201. a bracket body; 202. a connection section; 21. a receiving chamber; 22. a channel; 221. a fixed sleeve; 23. a groove; 3. a driving wheel; 4. driven wheel; 5. a working platform; 51. a first through hole; 52. a second through hole; 6. a bearing; 71. a base; 711. a first pipe interface; 712. a second pipe interface; 713. a third pipe interface; 714. an inner tube interface; 72. an adapter; 73. an outer tube; 74. an inner tube.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The endoscope includes a base 71, an adapter 72, an outer tube 73, an inner tube 74, and the like, the base 71 is provided with a first pipe interface 711 and a second pipe interface 712 in the axial direction, a third pipe interface 713 is provided on the side wall of the base 71, and the first pipe interface 711, the second pipe interface 712 and the third pipe interface 713 communicate. The adapter 72 interfaces with a third pipe interface 713. The inner tube 74 and the outer tube 73 extend into the base 71 through a first tube interface 711, wherein the outer tube 73 is sleeved outside the inner tube 74. The inner wall of the base 71 near one side of the second pipe joint 712 extends to form an annular bulge, the annular bulge encloses an inner pipe joint 714, the diameter of the inner pipe joint 714 is equal to that of the inner pipe 74, and one end of the inner pipe 74 extending into the base 71 through the first pipe joint 711 is butted with the inner pipe joint 714.

In order to secure the sealability of the endoscope, it is necessary to perform welding between the port of the third pipe interface 713 and the side wall of the adapter 72, welding between the port of the first pipe interface 711 and the outer wall of the outer pipe 73, and welding between the port of the inner pipe 74 and the inner pipe interface 714. Compared with the mode of glue bonding, the sealing performance of the endoscope can be improved by welding all parts of the endoscope, so that the endoscope can bear high-temperature high-pressure disinfection and sterilization.

In order to facilitate welding of the base 71 and the adapter 72, welding assistance using an endoscope welding jig is required to ensure the welding quality between the base 71 and the adapter 72.

Embodiments of the present utility model are described below with reference to fig. 1 to 6.

According to an embodiment of the present utility model, in one aspect, an endoscope welding jig is provided to assist welding between a base 71 and an inner tube 74 of an endoscope. Specifically, the endoscope welding jig includes a driving motor 1, a rotating bracket 2, a driving wheel 3, and a driven wheel 4. One end of the rotating bracket 2 is provided with a containing cavity 21, the shape of the containing cavity 21 is matched with at least part of the outer contour of a base 71 of the endoscope, the other end of the rotating bracket 2 is provided with a channel 22, the channel 22 is communicated with the containing cavity 21, the endoscope base 71 is arranged under the condition of the containing cavity 21, an endoscope inner tube 74 penetrates out of the channel 22, a driving wheel 3 is connected with the driving motor 1 and is suitable for being driven by the driving motor 1, and a driven wheel 4 is arranged on the side wall of the rotating bracket 2 and is matched with the driving wheel 3.

When welding the base 71 and the inner tube 74 of the endoscope, the base 71 is mounted in the receiving chamber 21, the inner tube 74 is extended into the swivel bracket 2 through the passage 22, and the end of the inner tube 74 is extended from the first tube interface 711 of the base 71 into the base 71 until it is butted with the inner tube interface 714. The welding spot passes through the second pipeline interface 712 and falls in the gap between the inner pipe 74 and the inner pipe interface 714, the driving wheel 3 is controlled to rotate by the driving motor 1, the driving wheel 3 drives the driven wheel 4 to rotate, and then the rotating bracket 2 is driven to rotate, and after the rotating bracket 2 rotates for one circle, the welding between the inner pipe 74 and the inner pipe interface 714 can be completed. The endoscope welding fixture in the embodiment of the utility model can ensure the butting stability of the inner tube 74 and the inner tube interface 714, and can automatically control the rotation angle and the rotation speed of the rotary support 2 through the driving motor 1, so that welding spots can fall on the gap between the inner tube 74 and the inner tube interface 714 uniformly and accurately, the welding quality is improved, and the welding sealing effect is ensured.

In one embodiment, the endoscope welding fixture further comprises a working platform 5 and a bearing 6, the working platform 5 is provided with a first through hole 51, the rotating bracket 2 passes through the first through hole 51, and the bearing 6 is arranged between the side wall of the rotating bracket 2 and the inner wall of the first through hole 51. The driving motor 1 drives the driving wheel 3 to rotate, and then drives the driven wheel 4 and the rotating support 2 to rotate, and the rotating support 2 is connected with the working platform 5 through the bearing 6, so that the rotating support 2 can rotate more smoothly, the stability of the rotating support 2 during rotation is improved, the rigidity of the working platform 5 is better, the mechanical vibration generated during the operation of the endoscope welding fixture can be reduced, and the welding precision and the welding quality are improved.

Further, the rotary bracket 2 comprises a bracket body 201 and a connecting section 202 formed by extending along the axis of the bracket body 201, the accommodating cavity 21 is arranged in the bracket body 201, the driven wheel 4 is arranged on the side wall of the bracket body 201, and the channel 22 is arranged in the connecting section 202; the end of the connection section 202 passes through the first through hole 51, and the bearing 6 is disposed between the side wall of the connection section 202 and the inner wall of the first through hole 51.

When the rotating support 2 is installed on the working platform 5, the support body 201 is located above the working platform 5, the end portion of the connecting section 202 penetrates through the first through hole 51 to be arranged below the working platform 5, the base 71 and the inner tube 74 of the endoscope are installed behind the rotating support 2, the base 71 is located in the accommodating cavity 21, one end of the inner tube 74 extends into the channel 22 in the connecting section 202, the other end of the inner tube extends out of the connecting section 202 to be located below the working platform 5, and the arrangement is that the inner tube 74 is broken or bent after the inner tube 74 is mistakenly touched by a worker in the welding process can be avoided.

In one embodiment, the rotation axes of the rotating bracket 2 and the driven wheel 4 are perpendicular to the working platform 5, and after the base 71 and the inner tube 74 are mounted on the rotating bracket 2, the axes of the base 71 and the inner tube 74 are also perpendicular to the working platform 5. During welding, the welding point falling direction is perpendicular to the working platform 5, and the welding point is adjusted to the gap between the inner pipe 74 and the inner pipe interface 714, so that the welding method is simple, convenient and quick to operate, and beneficial to improving welding precision.

In one embodiment, the driving motor 1 is fixed on the working platform 5, and the output shaft 11 of the driving motor 1 and the rotation axis of the driving wheel 3 are perpendicular to the working platform 5. So set up, action wheel 3, follow driving wheel 4 and work platform 5 mesa parallel arrangement, action wheel 3 and follow driving wheel 4's installation is arranged conveniently, can also make endoscope welding jig's structure compacter.

In one embodiment, the depth of the receiving cavity 21 is less than the axial length of the base 71 of the endoscope. After the base 71 is installed in the accommodating cavity 21, one end of the base 71 provided with the second pipeline connector 712 extends out of the accommodating cavity 21, so that welding spots can conveniently pass through the second pipeline connector 712 and fall at a gap between the inner pipe 74 and the inner pipe connector 714, and the base 71 and the inner pipe 74 can be conveniently and directly taken out of the rotary support 2 after welding is finished.

In one embodiment, the end of the rotating bracket 2 provided with the accommodating cavity 21 is provided with a groove 23, and the adapter 72 of the endoscope is clamped in the groove 23 when the endoscope base 71 is arranged in the accommodating cavity 21. In welding the various components of the endoscope, if the inner tube 74 and the outer tube 73 are welded to the base 71 first, the longer inner tube 74 and outer tube 73 may have an effect on the welding of the subsequent adapter 72. For convenience in subsequent welding, the adapter 72 of the endoscope is welded at the first pipe interface 711 of the base 71, and after the base 71 is mounted on the rotating bracket 2, the adapter 72 is clamped in the groove 23, so that the base 71 is ensured to be positioned at a correct welding position in the rotating process of the rotating bracket 2, and the stability of the base 71 in the welding process is improved.

In one embodiment, a retaining sleeve 221 is provided within channel 22, and with endoscope inner tube 74 disposed within channel 22, endoscope inner tube 74 is an interference fit with retaining sleeve 221. Before welding starts, the inner tube 74 extends into the channel 22 and extends into the base 71 from the first pipeline interface 711 of the base 71 to be in butt joint with the inner tube interface 714, and by arranging the fixing sleeve 221, the inner tube 74 can be ensured to be fixed in the welding process, so that the inner tube 74 is prevented from sliding downwards in the channel 22 to influence the welding quality.

In one embodiment, the material of the retaining sleeve 221 is a rubber material. The rubber material has a certain elasticity, so that the inner tube 74 is prevented from being deformed after the fixing sleeve 221 presses the inner tube 74, and the fixing sleeve 221 of the rubber material can prevent the inner tube 74 from being scratched when the inner tube 74 is drawn out from the fixing sleeve 221.

According to an embodiment of the present utility model, in another aspect, there is also provided an endoscopic welding assembly including laser welding head 200 and endoscopic welding fixture 100 of the above-described embodiment.

The embodiment of the utility model can adopt laser welding, has high welding speed, can carry out micro welding, can be positioned accurately, is beneficial to improving the welding precision and the welding quality, can carry out welding at room temperature, and has simple welding equipment and convenient operation.

The mounting and working processes of the endoscope welding assembly provided by the embodiment of the utility model are as follows:

the working platform 5 is horizontally arranged, the bearing 6 is sleeved on the side wall of the connecting section 202, and then the end part of the connecting section 202 passes through the first through hole 51, so that the outer ring of the bearing 6 is abutted against the inner wall of the first through hole 51. The driving motor 1 is fixed below the working platform 5 through bolts, an output shaft 11 of the driving motor 1 passes through the second through holes 52 and is connected with the driving wheel 3 above the working platform, and the driving wheel 3 is matched with the driven wheel 4 on the side wall of the rotating bracket 2.

During welding, firstly, the position of the laser welding head 200 is adjusted to enable a laser welding spot to fall on a gap between the inner tube 74 and the inner tube interface 714, the laser welding head 200 is started, meanwhile, the driving motor 1 is controlled to drive the driving wheel 3 to rotate at a constant speed, the driven wheel 4 and the rotating support 2 are driven to rotate at a constant speed, the gap between the inner tube 74 and the inner tube interface 714 is uniformly and accurately welded by laser, and after the rotating support 2 rotates for one circle, welding is completed.

In one embodiment, laser light emitted by laser welding head 200 has a power in the range of 450W to 550W. For example, the power of the laser may be 450W, 500W, 550W, etc. The angle of rotation of the swivel bracket 2 during a single weld may be 370 deg. to avoid a region of missed welds between the inner tube 74 and the inner tube interface 714.

Although embodiments of the present utility model have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model as defined by the appended claims.

Claims

1. An endoscope welding jig, comprising:

a drive motor (1);

a rotary support (2), one end of which is provided with a containing cavity (21), the shape of the containing cavity (21) is matched with at least part of the outer contour of a base (71) of the endoscope; the other end of the rotary bracket (2) is provided with a channel (22), and the channel (22) is communicated with the accommodating cavity (21); when the base (71) of the endoscope is arranged in the accommodating cavity (21), the inner tube (74) of the endoscope passes through the channel (22);

the driving wheel (3) is connected with the driving motor (1) and is suitable for being driven by the driving motor (1);

the driven wheel (4) is arranged on the side wall of the rotary support (2) and is matched with the driving wheel (3).

2. The endoscope welding jig according to claim 1, characterized in that the endoscope welding jig further comprises a working platform (5) and a bearing (6), the working platform (5) is provided with a first through hole (51), the rotating bracket (2) passes through the first through hole (51), and the bearing (6) is arranged between the side wall of the rotating bracket (2) and the inner wall of the first through hole (51).

3. The endoscope welding jig according to claim 2, wherein the rotating bracket (2) includes a bracket body (201) and a connecting section (202) formed by extending along an axis of the bracket body (201), the accommodating chamber (21) is provided in the bracket body (201), the driven wheel (4) is provided in a side wall of the bracket body (201), the channel (22) is provided in the connecting section (202), an end portion of the connecting section (202) passes through the first through hole (51), and the bearing (6) is provided between a side wall of the connecting section (202) and an inner wall of the first through hole (51).

4. An endoscope welding jig according to claim 2, characterized in that the swivel bracket (2) and the swivel axis of the driven wheel (4) are both perpendicular to the working platform (5).

5. The endoscope welding jig according to claim 4, characterized in that the drive motor (1) is fixed to the working platform (5), and the output shaft (11) of the drive motor (1) and the rotation axis of the driving wheel (3) are both perpendicular to the working platform (5).

6. The endoscope welding jig according to claim 1, characterized in that the depth of the receiving cavity (21) is smaller than the axial length of the base (71) of the endoscope.

7. The endoscope welding jig according to claim 1, characterized in that the end of the rotating bracket (2) provided with the accommodation chamber (21) is provided with a groove (23), and in the case where the endoscope base (71) is provided in the accommodation chamber (21), an adapter (72) of the endoscope is caught in the groove (23).

8. The endoscope welding jig according to claim 1, characterized in that a fixing sleeve (221) is provided in the channel (22), and that the endoscope inner tube (74) is interference fit with the fixing sleeve (221) with the endoscope inner tube (74) provided in the channel (22).

9. The endoscope welding jig according to claim 8, characterized in that the material of the fixing sleeve (221) is a rubber material.

10. An endoscope welding assembly, comprising:

a laser welding head (200);

the endoscope welding jig (100) of any one of claims 1 to 9.