Pressure-resistant cable joint

Abstract

The utility model provides a voltage-withstanding cable joint, and relates to the technical field of cable heads. The pressure-resistant cable joint comprises a pipe body, a copper conductor assembly is arranged on the inner side of the pipe body, a polygonal block is fixedly installed on one side of the copper conductor assembly, a positioning bolt is fixedly installed on one side of the polygonal block, the pipe body is arranged on the outer side of the copper conductor assembly, and a cleaning structure is arranged on the inner side of the pipe body. The cleaning structure comprises a lead screw and a limiting column. According to the pressure-resistant cable connector, a rotating handle is rotated to drive a worm to rotate, so that a worm gear is driven to rotate in an engaged mode, a lead screw rotates along with the worm gear to drive a moving plate and an outer ring scraping plate and an inner ring scraping plate on the two sides of the moving plate to move, impurities on the inner wall of the annular cooling groove are scraped away, and then clean water is added from a liquid inlet pipe with a valve; and the device can be cleaned without being detached, so that the operation is simple and quick, and the use effect of the device is improved.

Description

Technical Field

[0001] The utility model relates to a cable joint, in particular to a pressure-resistant cable joint, belonging to the technical field of cable heads. Background Art

[0002] The cable head can be installed on the cable to separate a joint. It has excellent sealing, insulation and moisture resistance. It is generally used in medium-voltage power grids to improve the safety of the power grid. When conducting a withstand voltage test, the test line needs to be connected to the end of the cable head.

[0003] The disclosure is CN220753777U, a pressure-resistant cable connector, comprising a tube body, a first copper conductor being sleeved on one side of the tube body, and a second copper conductor being sleeved on the other side of the tube body, a connecting thread groove being provided at an end of the first copper conductor close to the second copper conductor, a connecting screw corresponding to the connecting thread groove being welded to an end of the second copper conductor close to the first copper conductor, a positioning screw being welded to an end of the first copper conductor away from the second copper conductor, and a wiring groove being provided on the surface of an end of the second copper conductor away from the first copper conductor.

[0004] Although there are many benefits in the above scheme, there are also the following defects: 1. After the device is used for a long time, some impurities in the coolant will remain in the cooling chamber. If it is not cleaned in time, it will cause the cooling chamber to be blocked. When cleaning the cooling chamber, the device needs to be disassembled for cleaning, which is troublesome to operate and the use effect is not very good; 2. When the first copper conductor and the tube body are connected, the clamping block is moved into the groove on one side of the tube body to engage. When in use, the clamping block and the tube body are easily separated, which affects the use of the device and reduces the practicality of the device. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to provide a pressure-resistant cable connector in order to solve the above problems, so as to solve the problem in the prior art that when cleaning the cooling cavity, the device needs to be disassembled for cleaning, which is troublesome to operate and has poor use effect.

[0007] (II) Technical solution

[0008] The utility model is implemented through the following technical scheme: a pressure-resistant cable connector, including a tube body, a copper conductor assembly is arranged on the inner side of the tube body, a polygonal block is fixedly installed on one side of the copper conductor assembly, a positioning bolt is fixedly installed on one side of the polygonal block, a tube body is arranged on the outer side of the copper conductor assembly, a cleaning structure is arranged on the inner side of the tube body, the cleaning structure includes a screw rod and a limiting column, a circular cooling groove is opened on the inner side of the tube body, the screw rod and the limiting column are both rotatably installed in the circular cooling groove inside the tube body, an outer ring scraper and an inner ring scraper are arranged on the inner side of the tube body, and the cleaning structure includes a screw rod and a limiting column, a circular cooling groove is opened on the inner side of the tube body, and the screw rod and the limiting column are rotatably installed in the circular cooling groove inside the tube body. The inner side of the tube body is provided with an outer ring scraper and an inner ring scraper. The outer ring scraper and the inner ring scraper are both arranged in the annular cooling groove of the tube body and in sliding contact with the tube body. Two movable plates are fixedly installed between the outer ring scraper and the inner ring scraper. One of the movable plates is connected to the outer side of the screw rod through a nut pair, and the other movable plate is slidably installed on the outer side of the limit column. The set limit column can limit the other movable plate to ensure that during the rotation of the screw rod, one of the movable plates and the outer ring scraper and the inner ring scraper will not be driven to rotate, thereby ensuring that the movable plate moves in the horizontal direction, so that the outer ring scraper and the inner ring scraper move accordingly to effectively clean the inner wall of the annular cooling groove.

[0009] Preferably, one end of the screw rod passes through the tube body and is fixedly mounted with a worm wheel, one end of the tube body is fixedly mounted with two fixed seats, a worm is rotatably mounted between the two fixed seats, and one end of the worm passes through one of the fixed seats and is fixedly mounted with a handle.

[0010] Preferably, the tube body is provided with a circular groove, the copper conductor assembly is arranged in the circular groove and in sliding contact with the tube body, a polygonal groove is formed on the outer side of the circular groove of the tube body, and the polygonal block matches the polygonal groove.

[0011] Preferably, a liquid inlet pipe with a valve and a liquid discharge pipe with a valve are fixedly installed on the outer side of the tube body, and one end of the liquid inlet pipe with a valve and the liquid discharge pipe with a valve are both connected to the annular cooling groove of the tube body.

[0012] Preferably, two fixing structures are provided on the outer side of the tube body, and the fixing structures include a fixing plate, which is fixedly installed on the outer side of the tube body, and two return springs are fixedly installed on one side of the fixing plate, and a pull ring is fixedly installed on one end of the two return springs, and a limiting plate is fixedly installed on one side of the pull ring.

[0013] Preferably, square slide grooves are provided on the upper and lower sides of the tube body and the two fixed plates, and the two limit plates are respectively arranged inside the square slide grooves of the upper and lower sides of the tube body and the two fixed plates and are respectively in sliding contact with the two fixed plates and the tube body. The set square slide grooves can limit the moving position of the limit plates so that their moving direction will not deviate.

[0014] Preferably, square slots are provided on both the upper and lower sides of the polygonal block, and the limit plate matches the square slot. The square slot of the polygonal block allows the limit plate to be inserted, thereby fixing the polygonal block and the tube body to prevent the two from detaching during the engagement process and affecting the use of the device.

[0015] The utility model provides a pressure-resistant cable connector, which has the following beneficial effects:

[0016] 1. The pressure-resistant cable connector drives the worm to rotate by turning the handle, thereby driving the worm wheel to mesh and rotate, so that the screw rotates to drive the moving plate and the outer ring scraper and inner ring scraper on both sides of the moving plate to move, so as to scrape the impurities on the inner wall of the annular cooling groove, and then add clean water from the valved liquid inlet pipe and discharge it from the valved liquid discharge pipe. It can be cleaned without disassembling the device, which is simple and quick to operate, thereby improving the use effect of the device.

[0017] 2. The pressure-resistant cable connector is configured to sleeve the tube body on the outside of the copper conductor assembly by pulling two pull rings. When the polygonal notch of the tube body is engaged with the polygonal block, the two pull rings are released. Under the elastic action of the reset spring, the two pull rings and the limit plates on one side thereof are driven to slide from the square slide grooves of the fixed plate and the tube body into the square card grooves of the polygonal block to fix the two, thereby completing the fixation between the copper conductor assembly and the tube body, effectively preventing the tube body from falling off and affecting the use during the use of the device, and improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a cross-sectional view of the cleaning structure of the utility model;

[0020] Figure 3 For this utility model Figure 2 A magnified view of the structure of part A;

[0021] Figure 4 It is a cross-sectional view of the fixing structure of the utility model.

[0022]

Main component symbol description

[0023] 1. Positioning bolt; 2. Polygonal block; 3. Copper conductor assembly; 4. Tube body; 5. Liquid inlet pipe with valve; 6. Liquid discharge pipe with valve; 7. Screw; 8. Moving plate; 9. Outer ring scraper; 10. Inner ring scraper; 11. Limiting column; 12. Worm gear; 13. Fixed seat; 14. Worm; 15. Turning handle; 16. Fixed plate; 17. Reset spring; 18. Pull ring; 19. Limiting plate. DETAILED DESCRIPTION

[0024] The embodiment of the utility model provides a pressure-resistant cable connector.

[0025] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 , including a tube body 4, a copper conductor assembly 3 is arranged on the inner side of the tube body 4, a polygonal block 2 is fixedly installed on one side of the copper conductor assembly 3, a positioning bolt 1 is fixedly installed on one side of the polygonal block 2, a tube body 4 is arranged on the outer side of the copper conductor assembly 3, a cleaning structure is arranged on the inner side of the tube body 4, the cleaning structure includes a screw rod 7 and a limiting column 11, a circular cooling groove is opened on the inner side of the tube body 4, the screw rod 7 and the limiting column 11 are both rotatably installed in the circular cooling groove inside the tube body 4, an outer ring scraper 9 and an inner ring scraper 10 are arranged on the inner side of the tube body 4, the outer ring scraper 9 and the inner ring scraper 10 are both arranged in the circular cooling groove of the tube body 4 and are in sliding contact with the tube body 4, two movable plates 8 are fixedly installed between the outer ring scraper 9 and the inner ring scraper 10, one of the movable plates 8 is connected to the outer side of the screw rod 7 through a nut pair, and the other movable plate 8 is slidably installed on the outer side of the limiting column 11.

[0026] As for the structural technology of the copper conductor assembly 3, a specific structure of a pressure-resistant cable joint with a publication number of CN220753777U is adopted.

[0027] In this embodiment, one end of the screw rod 7 passes through the tube body 4 and is fixedly installed with a worm gear 12, one end of the tube body 4 is fixedly installed with two fixed seats 13, a worm 14 is rotatably installed between the two fixed seats 13, and one end of the worm 14 passes through one of the fixed seats 13 and is fixedly installed with a turning handle 15.

[0028] In this embodiment, the tube body 4 is provided with a circular groove, the copper conductor assembly 3 is arranged in the circular groove and in sliding contact with the tube body 4, a polygonal groove is formed on the outer side of the circular groove of the tube body 4, and the polygonal block 2 matches the polygonal groove.

[0029] In this embodiment, a valved liquid inlet pipe 5 and a valved liquid discharge pipe 6 are fixedly installed on the outer side of the tube body 4 , and one end of the valved liquid inlet pipe 5 and the valved liquid discharge pipe 6 are both connected to the annular cooling groove of the tube body 4 .

[0030] In this embodiment, two fixed structures are provided on the outer side of the tube body 4, and the fixed structures include a fixed plate 16, which is fixedly installed on the outer side of the tube body 4, and two return springs 17 are fixedly installed on one side of the fixed plate 16, and a pull ring 18 is fixedly installed on one end of the two return springs 17, and a limiting plate 19 is fixedly installed on one side of the pull ring 18.

[0031] In this embodiment, square slide grooves are provided on the upper and lower sides of the tube body 4 and the two fixed plates 16, and two limit plates 19 are respectively arranged inside the square slide grooves of the upper and lower sides of the tube body 4 and the two fixed plates 16 and are respectively in sliding contact with the two fixed plates 16 and the tube body 4.

[0032] In this embodiment, square slots are provided on both the upper and lower sides of the polygonal block 2, and the limiting plates 19 match the square slots.

[0033] It should be noted that the utility model is a pressure-resistant cable connector. When in use, the positioning bolt 1 is screwed into the reserved threaded hole of the cable head by rotating the polygonal block 2, so that the copper conductor component 3 and the conductive parts in the cable head are fully in contact, and then the two pull rings 18 are pulled to sleeve the tube body 4 on the outside of the copper conductor component 3. When the polygonal notch of the tube body 4 is engaged with the polygonal block 2, the two pull rings 18 are released. Under the elastic action of the reset spring 17, the two pull rings 18 and the limiting plates 19 on one side will be driven from the square slide grooves of the fixing plate 16 and the tube body 4 into the square card grooves of the polygonal block 2 to fix the two, thereby completing the fixation between the copper conductor component 3 and the tube body 4, effectively preventing the tube body 4 from falling off and affecting the use during the use of the device, and improving the practicability of the device. Then, the test line is connected to the copper conductor component 3, so that the lead wire and the inner wall of the cable head are fully in contact during the pressure test to avoid discharge.

[0034] When the copper conductor assembly 3 needs to be cooled, the coolant delivery pipe is connected to the valved liquid inlet pipe 5, and then the coolant is delivered to the annular cooling groove inside the tube body 4 to cool the copper conductor assembly 3. After use, the coolant is discharged through the valved liquid discharge pipe 6;

[0035] When the annular cooling groove needs to be cleaned, the handle 15 is turned, and the handle 15 will drive the worm 14 to rotate, thereby driving the worm wheel 12 to mesh and rotate, so that the screw 7 rotates to drive the movable plate 8 and the outer ring scraper 9 and the inner ring scraper 10 on both sides of the movable plate 8 to move, so as to scrape off the impurities on the inner wall of the annular cooling groove, and then add clean water from the valved liquid inlet pipe 5 and discharge it from the valved liquid discharge pipe 6. Cleaning can be carried out without disassembling the device. The operation is simple and quick, which improves the use effect of the device.

[0036] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A pressure-resistant cable connector, comprising a tube body (4), characterized in that: A copper conductor assembly (3) is arranged on the inner side of the tube body (4), a polygonal block (2) is fixedly mounted on one side of the copper conductor assembly (3), a positioning bolt (1) is fixedly mounted on one side of the polygonal block (2), a tube body (4) is arranged on the outer side of the copper conductor assembly (3), a cleaning structure is arranged on the inner side of the tube body (4), the cleaning structure comprises a screw rod (7) and a limiting column (11), a circular cooling groove is provided on the inner side of the tube body (4), the screw rod (7) and the limiting column (11) are both rotatably mounted on the tube body ( 4) in the annular cooling groove inside, an outer ring scraper (9) and an inner ring scraper (10) are arranged on the inner side of the tube body (4), the outer ring scraper (9) and the inner ring scraper (10) are both arranged in the annular cooling groove of the tube body (4) and are in sliding contact with the tube body (4), two movable plates (8) are fixedly installed between the outer ring scraper (9) and the inner ring scraper (10), one of the movable plates (8) is connected to the outer side of the screw rod (7) through a nut pair, and the other movable plate (8) is slidably installed on the outer side of the limit column (11).

2. A pressure-resistant cable connector according to claim 1, characterized in that: One end of the screw rod (7) passes through the tube body (4) and is fixedly mounted with a worm wheel (12); one end of the tube body (4) is fixedly mounted with two fixing seats (13); a worm (14) is rotatably mounted between the two fixing seats (13); one end of the worm (14) passes through one of the fixing seats (13) and is fixedly mounted with a turning handle (15).

3. A pressure-resistant cable connector according to claim 1, characterized in that: The tube body (4) is provided with a circular groove, the copper conductor assembly (3) is arranged in the circular groove and is in sliding contact with the tube body (4), a polygonal groove is formed on the outer side of the circular groove of the tube body (4), and the polygonal block (2) matches the polygonal groove.

4. A pressure-resistant cable connector according to claim 1, characterized in that: A liquid inlet pipe (5) with a valve and a liquid discharge pipe (6) with a valve are fixedly installed on the outer side of the tube body (4), and one end of each of the liquid inlet pipe (5) with a valve and the liquid discharge pipe (6) with a valve is connected to the annular cooling groove of the tube body (4).

5. A pressure-resistant cable connector according to claim 1, characterized in that: Two fixing structures are arranged on the outer side of the tube body (4), and the fixing structures include a fixing plate (16). The fixing plate (16) is fixedly mounted on the outer side of the tube body (4), and two return springs (17) are fixedly mounted on one side of the fixing plate (16). A pull ring (18) is fixedly mounted on one end of the two return springs (17), and a limit plate (19) is fixedly mounted on one side of the pull ring (18).

6. A pressure-resistant cable connector according to claim 5, characterized in that: The upper and lower sides of the tube body (4) and the two fixed plates (16) are provided with square sliding grooves, and the two limit plates (19) are respectively arranged inside the square sliding grooves of the upper and lower sides of the tube body (4) and the two fixed plates (16) and are respectively in sliding contact with the two fixed plates (16) and the tube body (4).

7. A pressure-resistant cable connector according to claim 5, characterized in that: The upper and lower sides of the polygonal block (2) are both provided with square slots, and the limiting plate (19) matches the square slots.

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