Negative pressure repairing device for stainless steel optical unit

Abstract

The invention discloses a stainless steel optical unit negative pressure repairing device which comprises an arc-shaped bottom plate attached to the outer portion of a pipe wall, a connecting pipe communicated to the arc-shaped bottom plate, a hose connected with the connecting pipe into a whole and a negative pressure device connected to the hose, and the arc-shaped bottom plate, the connecting pipe and the hose are of an integrated structure. A through hole is formed in the center of the arc-shaped bottom plate and covers a to-be-repaired concave part outside the pipe wall, the connecting pipe is connected to the through hole of the arc-shaped bottom plate in a sealed mode, and the arc-shaped bottom plate is attached to the outside of the pipe wall in a sealed mode through a sealing structure so that a sealed space can be formed between the to-be-repaired concave part outside the pipe wall and the connecting pipe. And the negative pressure device is used for applying negative pressure to the sealed space so as to repair the to-be-repaired concave part. According to the invention, the pressed deformation part of the stainless steel optical unit is recovered through a negative pressure method, and the local deformation part is recovered, so that the optical signal transmission is normal.

Description

Technical Field

[0001] The present invention relates to the technical field of stainless steel light unit repair, and more specifically, to a negative pressure repair device for a stainless steel light unit. Background Art

[0002] The stainless steel optical unit contains optical fiber and fiber paste inside, and the outside is a stainless steel tube welded by laser. In the actual production process, the stainless steel tube is prone to accidents such as slight bumps due to improper external forces. If it is squeezed, it may cause a slight local depression, extrusion and deformation, and squeeze the optical fiber, causing the optical unit inside to be stressed, causing attenuation loss, resulting in increased optical signal transmission loss, and reducing the transmission quality of the optical signal. There is no better solution in the field to solve this technical problem. This application proposes the technical solution of this application to solve this technical problem. Summary of the invention

[0003] One object of the present invention is to provide a negative pressure repair device for a stainless steel optical unit, which can restore the compressed and deformed parts of the stainless steel optical unit through a negative pressure method, restore the local deformed parts, and make the optical signal transmission normal.

[0004] In order to solve the above technical problems, the present invention provides a negative pressure repair device for a stainless steel light unit, comprising an arc-shaped bottom plate attached to the outside of a tube wall, a connecting pipe connected to the arc-shaped bottom plate, a hose connected to the connecting pipe as a whole, and a negative pressure device connected to the hose, wherein the arc-shaped bottom plate, the connecting pipe and the hose are an integrated structure, a through hole is provided at the center of the arc-shaped bottom plate, and the through hole covers the depressed portion to be repaired outside the tube wall, the connecting pipe is sealingly connected to the through hole of the arc-shaped bottom plate, and the arc-shaped bottom plate is sealed and attached to the outside of the tube wall through a sealing structure, so that a sealed space is formed between the depressed portion to be repaired outside the tube wall and the connecting pipe, and the negative pressure device is used to apply negative pressure to the sealed space to repair the depressed portion to be repaired.

[0005] Preferably, the sealing structure comprises a quasi-annular sealing sticker made of thermoplastic plastic, wherein the inner ring of the sealing sticker is sealed and connected to the outer periphery of the arc bottom plate as a whole, and the outer ring of the sealing sticker extends to the periphery of the arc bottom plate and is sealed and fixed to the tube wall.

[0006] Preferably, the specific method for the sealing sticker to seal the curved bottom plate is: heating the sealing sticker to make it plastic, manually fitting the inner ring of the sealing sticker tightly to the outer periphery of the curved bottom plate and having an overlapping portion with the outer periphery of the curved bottom plate within a set range; at the same time, extending the outer ring of the sealing sticker outward to fit tightly to the outside of the tube wall; after the fitting is completed, cooling the sealing sticker to room temperature to solidify, forming a stable and fixed sealing structure.

[0007] Preferably, the sealing structure also includes a fixing part, which includes a pair of airbags and a connecting tube connecting the pair of airbags as a whole, the pair of airbags are respectively located on both sides of the connecting tube, the airbag is an annular structure and is located on the arc-shaped bottom plate and is sleeved on the tube wall, the inner wall surface of the airbag is provided with a plurality of spherical protrusions, which are all connected with the inside of the airbag as a whole, the pair of airbags are connected with the connecting tube and are inflated through an external inflation structure so that the plurality of spherical protrusions are tightly fixed to the outer wall surface of the arc-shaped bottom plate.

[0008] Preferably, the surface of the spherical protrusion facing the arc-shaped bottom plate is a curved surface matching the arc-shaped bottom plate.

[0009] Preferably, a valve is provided on the connecting pipe, and when negative pressure is applied to the sealed space by the negative pressure device, the valve is closed; after applying the negative pressure for a set time, the valve is opened to release air, and then the valve is closed, and the negative pressure is repeatedly applied by the negative pressure device; according to this process, negative pressure is applied intermittently multiple times to achieve repair.

[0010] Preferably, after the entire device is installed, the sealing performance of the device is detected, specifically: a connecting branch pipe is provided on the connecting pipe, and a pressure sensor and a valve are provided thereon in sequence. By applying negative pressure or positive pressure, the pressure sensor is used to detect whether the pressure change is within a set range, thereby detecting the sealing performance of the device.

[0011] Preferably, it also includes an operating platform, which is supported on the ground and is used to fix and position the stainless steel light unit, and then apply negative pressure, the operating platform includes a pair of supporting legs arranged opposite to each other, a positioning block is fixedly arranged on the top of the supporting legs, the center of a pair of positioning blocks corresponding to the pair of supporting legs each has a through hole, the pair of through holes are arranged along a straight line and the center axes coincide, the stainless steel light unit is passed through the pair of through holes and is fastened and fixed by a pair of fasteners arranged in the positioning block, the pair of fasteners are relatively arranged and located on opposite sides of the stainless steel light unit, the fastener includes a screw, an arc-shaped piece connected to the end of the screw, and a nut threadedly sleeved on the screw, the positioning block is provided with a channel that passes through the through hole and the outside, the screw just passes through the channel and is tightly pressed against the tube wall of the stainless steel light unit through the arc-shaped piece, the inner wall surface of the arc-shaped piece is provided with a rubber layer, the channel has an internal thread, which matches the external thread provided on the nut, the screw passes out of the positioning block and is provided with a rotating handle.

[0012] The present invention has at least the following beneficial effects: 1. The present invention uses a negative pressure method to restore the compressed and deformed parts of the stainless steel optical unit, and the local deformed parts are restored, so that the optical signal transmission is normal.

[0013] 2. The sealed space formed by the repair device of the present invention is well sealed through a variety of sealing methods, such as sealing stickers and air bags, ensuring the formation of negative pressure and achieving the repair effect. In addition, after the device is installed and set up, a sealing detection process is also provided to further ensure the sealing effect, ensure the formation of negative pressure and achieve the repair effect.

[0014] 3. The present invention is also provided with an operating platform for fixing and positioning the stainless steel optical unit and then applying negative pressure, thereby ensuring convenient operation and also ensuring the stability of the position of the depressed part to be repaired, which is beneficial to the formation of negative pressure and the repair effect.

[0015] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through study and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 is a cross-sectional view of a stainless steel light unit of the present invention; Figure 3 is a cross-sectional view of the airbag of the present invention; Figure 4 It is a schematic structural diagram of a positioning block and a pair of fasteners of the present invention.

[0017] Description of reference numerals: 1. Stainless steel light unit, 2. Arc bottom plate, 3. Connecting pipe, 4. Hose, 5. Branch pipe, 6. Valve, 7. Air bag, 8. Connecting pipe, 9. Support leg, 10. Positioning block, 11. Concave part to be repaired, 12. Sealing sticker, 13. Spherical protrusion, 14. Screw, 15. Nut, 16. Arc sheet. DETAILED DESCRIPTION

[0018] In order to better understand the purpose, structure and function of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings so that those skilled in the art can implement it according to the description.

[0019] It should be noted that the experimental methods described in the following embodiments are conventional methods unless otherwise specified, and the reagents and materials are commercially available unless otherwise specified; in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0020] like Figure 1 As shown, the present invention provides a negative pressure repair device for a stainless steel light unit, comprising an arc-shaped bottom plate 2 attached to the outside of a tube wall, a connecting pipe 3 connected to the arc-shaped bottom plate 2, a hose 4 connected to the connecting pipe 3 as a whole, and a negative pressure device connected to the hose 4, wherein the arc-shaped bottom plate 2, the connecting pipe 3 and the hose 4 are an integrated structure, a through hole is provided at the center of the arc-shaped bottom plate 2, and the through hole covers a recessed portion 11 to be repaired outside the tube wall, the connecting pipe 3 is sealingly connected to the through hole of the arc-shaped bottom plate 2, and the arc-shaped bottom plate 2 is sealingly attached to the outside of the tube wall through a sealing structure 12, so that a sealed space is formed between the recessed portion 11 to be repaired outside the tube wall and the connecting pipe 3, and the negative pressure device is used to apply negative pressure to the sealed space to repair the recessed portion 11 to be repaired.

[0021] The wall thickness of the stainless steel pipe is generally about 0.2 mm, and the repair is achieved by negative pressure. During use, the arc bottom plate 2 is close to the pipe wall, so that the connecting pipe 3 and the recessed part 11 to be repaired are connected to form a sealed space, and the arc bottom plate 2 is sealed and fixed by the sealing structure to ensure the absolute sealing of the sealed space, thereby achieving negative pressure and ensuring the repair effect. The arc bottom plate 2, the connecting pipe 3 and the hose 4 are an integrated structure, so that the whole device is an integrated integral structure, which is more convenient for quick repair. The setting of the hose 4 facilitates the movement of the whole device and adapts to more environments, and has better adaptability and tolerance. Negative pressure devices such as vacuum pumps.

[0022] In another technical solution, the sealing structure includes a quasi-annular sealing sticker 12, which is made of thermoplastic plastic. The inner ring of the sealing sticker 12 is sealed and connected to the outer periphery of the arc bottom plate 2 as a whole, and the outer ring of the sealing sticker 12 extends to the periphery of the arc bottom plate 2 and is sealed and fixed on the pipe wall. The specific method for the sealing sticker 12 to seal the arc bottom plate 2 is: heating the sealing sticker 12 to make the sealing sticker 12 plastic, manually fitting the inner ring of the sealing sticker 12 tightly to the outer periphery of the arc bottom plate 2 and having a set range of overlapping parts with the outer periphery of the arc bottom plate 2; at the same time, extending the outer ring of the sealing sticker 12 outward to fit tightly to the outside of the pipe wall; after the fitting is completed, cooling the sealing sticker 12 to room temperature to solidify, forming a stable and fixed sealing structure.

[0023] Thermoplastic plastics are plastics made with thermoplastic resin as the main component and various additives added. This type of plastic can soften or melt into any shape under certain temperature conditions, and the shape remains unchanged after cooling. This state can be repeated many times and always has plasticity. This repetition is just a physical change. The present application involves a stainless steel light unit 1. The arc bottom plate 2 needs to be sealed to fit the pipe wall. In addition, in order to make the device of the present application adapt to the size of the pipe within a certain range, a ring-like sealing sticker 12 made of thermoplastic plastic is provided for sealing. It has stronger adaptability, better sealing effect, and simpler sealing operation, and will not affect the stainless steel light unit 1 product.

[0024] In another technical solution, the sealing structure further includes a fixing member, which includes a pair of airbags 7 and a connecting tube 8 connecting the pair of airbags 7 as a whole. The pair of airbags 7 are respectively located on both sides of the connecting tube 3. The airbags 7 are annular structures and are located on the arc bottom plate 2 and sleeved on the tube wall. The inner wall surface of the airbag 7 is provided with a plurality of spherical protrusions 13, which are all connected to the inside of the airbag 7 as a whole. The pair of airbags 7 are connected to the connecting tube 8 and inflated through the external inflation structure so that the plurality of spherical protrusions 13 are all tightly pressed against and fixed to the outer wall surface of the arc bottom plate 2. The surface of the spherical protrusion 13 facing the arc bottom plate 2 is the arc surface matching the arc bottom plate 2.

[0025] If the arc bottom plate 2 is sealed and fixed only by the annular sealing sticker 12, it may fall off, the sealing is incomplete, etc. In order to further ensure the sealing effect, a fixing part is further set, that is, a pair of airbags 7 and a connecting pipe 8 connecting the pair of airbags 7 as a whole, which is an integral structure. First, the pair of airbags 7 are sleeved on the recessed part 11 to be repaired of the stainless steel light unit 1, and then the arc bottom plate 2 is installed, and the pair of airbags 7 are sleeved on the arc bottom plate 2, and then the airbags 7 are inflated through the external inflation structure to make them full, so as to achieve the squeezing force on the arc bottom plate 2 and achieve the sealing and fixing effect. The arc bottom plate 2 can be set to be thinner, with a certain degree of deformability, and better adaptability. In addition, in order to facilitate the installation of the airbag 7 on the stainless steel light unit 1 and the curved bottom plate 2, the inner diameter of the airbag 7 is larger than the outer diameter of the stainless steel light unit 1, and the inner wall surface of the airbag 7 is provided with several spherical protrusions 13 which are connected with the inside of the airbag 7 as a whole, which does not affect the installation. When inflated, the spherical protrusions 13 are tightly fixed and sealed to the curved bottom plate 2.

[0026] In another technical solution, a valve 6 is provided on the connecting pipe 3. When negative pressure is applied to the sealed space by the negative pressure device, the valve 6 is closed. After the set time, the valve 6 is opened to release air, and then the valve 6 is closed, and the negative pressure is repeatedly applied by the negative pressure device. According to this process, multiple intermittent negative pressures are applied to achieve repair. The effect of multiple intermittent negative pressures to achieve repair is better than that of one-time negative pressure application.

[0027] In another technical solution, after the entire device is installed, the sealing performance of the device is detected. Specifically, a connecting branch pipe 5 is provided on the connecting pipe 3, and a pressure sensor and a valve 6 are provided thereon in sequence. By applying negative pressure or positive pressure, the pressure sensor is used to detect whether the pressure change is within a set range, thereby detecting the sealing performance of the device.

[0028] In another technical solution, an operating platform is also included, which is supported on the ground and used to fix and position the stainless steel light unit 1, and then apply negative pressure. The operating platform includes a pair of supporting legs 9 arranged oppositely, and a positioning block 10 is fixedly arranged on the top of the supporting legs 9. The center of the pair of positioning blocks 10 corresponding to the pair of supporting legs 9 has a through hole. The pair of through holes are arranged along a straight line and the central axis coincides. The stainless steel light unit 1 is inserted into the pair of through holes and is fastened and fixed by a pair of fasteners arranged in the positioning block 10. The pair of fasteners are arranged oppositely and positioned. On the opposite sides of the stainless steel light unit 1, the fastener includes a screw 14, an arc-shaped piece 16 connected to the end of the screw 14, and a nut 15 threadedly sleeved on the screw 14. The positioning block 10 is provided with a channel penetrating to the through hole and the outside. The screw 14 just passes through the channel and is tightly pressed against the tube wall of the stainless steel light unit 1 through the arc-shaped piece 16. The inner wall surface of the arc-shaped piece 16 is provided with a rubber layer. The channel has an internal thread, which matches the external thread provided on the nut 15. The screw 14 passes through the outside of the positioning block 10 and is provided with a rotating handle.

[0029] In another technical solution, the stainless steel light unit 1 is positioned and fixed by the operating platform before negative pressure is applied, which ensures the convenience of operation and the stability of the position of the recessed part 11 to be repaired, which is conducive to the formation of negative pressure and the repair effect. First, the stainless steel light unit 1 is inserted into the through holes of a pair of positioning blocks 10, and the stainless steel light unit 1 is fastened by a pair of fasteners in one of the positioning blocks 10. The fastening method is that a pair of screws 14 are respectively extended from the channel into the through holes, and then the pipe wall of the stainless steel light unit 1 is contacted through the arc sheet 16. At this time, the nut 15 is located outside the positioning block 10, and then the nut 15 is rotated into the channel for threaded fixation, and the position of the stainless steel light unit 1 is fixed by the rubber layer on the arc sheet 16. After the stainless steel light unit 1 on one side is fixed, the stainless steel light unit 1 is tightened, and then the position of the stainless steel light unit 1 on the other side is fixed by a pair of fasteners. Finally, negative pressure is applied through a negative pressure device to achieve the repair of the recessed part 11 to be repaired.

[0030] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the implementation mode, and they can be fully applied to various fields suitable for the present invention. For those familiar with the art, other modifications can be easily implemented, so without departing from the general concept defined by the claims and the equivalent scope, the present invention is not limited to the specific details and the illustrations shown and described here.

Claims

1. Stainless steel optical unit negative pressure repair device, characterized in that, It includes an arc-shaped bottom plate attached to the outside of the pipe wall, a connecting pipe connected to the arc-shaped bottom plate, a hose connected to the connecting pipe as a whole, and a negative pressure device connected to the hose. The arc-shaped bottom plate, the connecting pipe and the hose are an integrated structure. A through hole is provided at the center of the arc-shaped bottom plate, and the through hole covers the depressed part to be repaired outside the pipe wall. The connecting pipe is sealingly connected to the through hole of the arc-shaped bottom plate. The arc-shaped bottom plate is sealed and attached to the outside of the pipe wall through a sealing structure, so that a sealed space is formed between the depressed part to be repaired outside the pipe wall and the connecting pipe. The negative pressure device is used to apply negative pressure to the sealed space to repair the depressed part to be repaired.

2. The negative pressure repair device for a stainless steel optical unit according to claim 1, characterized in that: The sealing structure comprises a quasi-annular sealing sticker made of thermoplastic plastic, wherein the inner ring of the sealing sticker is sealed and connected to the outer periphery of the arc bottom plate as a whole, and the outer ring of the sealing sticker extends to the periphery of the arc bottom plate and is sealed and fixed to the pipe wall.

3. The negative pressure repair device for a stainless steel optical unit according to claim 2, characterized in that: The specific method of using the sealing sticker to seal the curved bottom plate is: heating the sealing sticker to make it plastic, manually fitting the inner ring of the sealing sticker tightly to the outer periphery of the curved bottom plate and having an overlapping portion with the outer periphery of the curved bottom plate within a set range; at the same time, extending the outer ring of the sealing sticker outward to fit tightly to the outside of the tube wall; after the fitting is completed, cooling the sealing sticker to room temperature to solidify, forming a stable and fixed sealing structure.

4. The negative pressure repair device for a stainless steel optical unit according to claim 2, characterized in that: The sealing structure also includes a fixing part, which includes a pair of airbags and a connecting tube connecting the pair of airbags as a whole, the pair of airbags are respectively located on both sides of the connecting tube, the airbag is an annular structure and is located on the arc-shaped bottom plate and sleeved on the tube wall, the inner wall surface of the airbag is provided with a plurality of spherical protrusions, which are all connected with the inside of the airbag as a whole, the pair of airbags are connected with the connecting tube and inflated through an external inflation structure so that the plurality of spherical protrusions are tightly pressed against and fixed to the outer wall surface of the arc-shaped bottom plate.

5. The negative pressure repair device for a stainless steel optical unit according to claim 4, characterized in that: The surface of the spherical protrusion facing the arc-shaped bottom plate is a curved surface matching the arc-shaped bottom plate.

6. The negative pressure repair device for a stainless steel optical unit according to claim 4, characterized in that: The connecting pipe is provided with a valve, and when negative pressure is applied to the sealed space by the negative pressure device, the valve is closed; after the application for a set time, the valve is opened to release air, and then the valve is closed, and negative pressure is repeatedly applied by the negative pressure device; according to this process, negative pressure is applied intermittently for multiple times to achieve repair.

7. The negative pressure repair device for a stainless steel optical unit according to claim 6, characterized in that: After the entire device is installed, the sealing of the device is detected. Specifically, a connecting branch pipe is arranged on the connecting pipe, and a pressure sensor and a valve are arranged on it in sequence. By applying negative pressure or positive pressure, the pressure sensor detects whether the pressure change is within the set range, thereby detecting the sealing of the device.

8. The negative pressure repair device for a stainless steel optical unit according to claim 1, characterized in that: It also includes an operating platform, which is supported on the ground and is used to fix and position the stainless steel light unit, and then apply negative pressure. The operating platform includes a pair of supporting legs arranged opposite to each other, and a positioning block is fixedly arranged on the top of the supporting legs. The centers of the pair of positioning blocks corresponding to the pair of supporting legs each have a through hole, and the pair of through holes are arranged along a straight line and the central axes coincide. The stainless steel light unit is passed through the pair of through holes and is fastened and fixed by a pair of fasteners arranged in the positioning block. The pair of fasteners are relatively arranged and located on opposite sides of the stainless steel light unit. The fastener includes a screw, an arc-shaped piece connected to the end of the screw, and a nut threadedly sleeved on the screw. A channel is provided in the positioning block that passes through the through hole and the outside, and the screw just passes through the channel and is tightly pressed against the tube wall of the stainless steel light unit through the arc-shaped piece. A rubber layer is provided on the inner wall surface of the arc-shaped piece, and the channel has an internal thread, which matches the external thread provided on the nut. The screw passes out of the positioning block and is provided with a rotating handle.

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