A cable junction box

Abstract

A cable junction box, comprising a lower protective cover, a hinged plate, two hinged plates, a funnel tube, an upper protective cover and a sleeve; two sets of two T-slots are provided at the front and rear ends of the top of the lower protective cover, the inner walls of the two T-slots are slidably connected to the outer sides of the T-blocks, two slide grooves are provided at the front and rear ends of the top of the lower protective cover, and the opposite sides of the two longitudinal T-blocks are connected by a rotating shaft, one end of the rotating shaft passes through the lower protective cover and is connected to the side of the funnel tube, one end of the T-block is connected to the inner walls of the two T-slots on both sides by a guide rod, and the other end of the guide rod is connected to the inner walls of the two T-slots by a compression spring, and the inner ring of the compression spring is sleeved on the guide rod. After the cable is connected, the connector of this design is not easy to loosen and disconnect, and maintenance is more convenient. The protrusion of the cable connection is clamped in the middle of the first hinged plate and the second hinged plate, which increases the firmness of the wire connection and avoids the connector from loosening and disconnecting during long-term use.

Description

Technical Field

[0001] The invention relates to an improvement of a cable connection technology, belongs to the field of electrical engineering, and in particular to a cable junction box. Background Art

[0002] Cables are indispensable items in people's lives. Cables are mainly used for power transmission and some data transmission. When the cable is not long enough or damaged, it is necessary to reconnect the cable. If the waterproof effect of the connection is not good, leakage will occur, and if the protection measures are not good enough, the cable skin will easily rot, affecting power transmission. Moreover, after multiple maintenance connections, the length of the terminal blocks changes, causing inconvenience to the maintenance. The work cannot continue and another section of the line needs to be replaced, which seriously increases the workload. At the same time, after the connection, the connector is easy to loosen and disconnect during long-term use, seriously affecting the normal power transmission.

[0003] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of this patent application, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to ordinary technicians in this field. Summary of the invention

[0004] The purpose of the present invention is to overcome the problem in the prior art that a connector is easily loosened and disconnected after the cables are connected, and to provide a cable junction box in which the connector is not easily loosened and disconnected after the cables are connected.

[0005] To achieve the above objectives, the technical solution of the present invention is: a cable junction box, the cable junction box comprises a lower protective cover, a hinged plate, a second hinged plate, a funnel tube, an upper protective cover and a sleeve;

[0006] Two groups of two T-shaped grooves are provided at the front and rear ends of the top of the lower protective cover, and the inner walls of the two T-shaped grooves are slidably connected to the outer sides of the T-shaped blocks. Two slide grooves are provided at the front and rear ends of the top of the lower protective cover, and the opposite sides of the two longitudinal T-shaped blocks are connected by a rotating shaft. One end of the rotating shaft passes through the lower protective cover and is connected to the side of the funnel tube. One end of the T-shaped block is connected to the inner walls of the two T-shaped grooves on both sides through a guide rod, and the other end of the guide rod is connected to the inner walls of the two T-shaped grooves through a compression spring, and the inner ring of the compression spring is sleeved on the guide rod;

[0007] A sleeve is sleeved on the middle section of the surface of the rotating shaft, a cable is wound on the sleeve, the front and rear ends of the outer side of the sleeve are respectively connected to one side of the two annular baffles, the other side of the annular baffle is connected to the rotating shaft, the surface of the annular baffle is slidably matched with the arc block, an annular groove is provided in the center of the top of the annular baffle, the arc block is slidably connected to the annular groove, the left and right sides of the inner wall of the lower protective cover are connected to one end of the two baffles, and the two baffles are arranged between the two annular baffles on the same side;

[0008] The bottom of the inner wall of the lower protective cover is provided with two slide grooves, the inner wall of the slide groove is slidably matched with the adjustment shaft, the top of the adjustment shaft is connected to the bottom of the two hinge pins, the sides of the two hinge pins are respectively sleeved with a cross-arranged hinge plate and a second hinge plate, the two hinge plates are arranged in the middle of one end of the one hinge plate, one end of the one hinge plate and one end of the two hinge plates are hinged through a hinge pin, one end of the arc block is connected to one end of the L-shaped rod, and the other end of the L-shaped rod is respectively slidably connected to the one hinge plate and the second hinge plate;

[0009] An upper protective cover is arranged above the lower protective cover, the front and back tops of the upper protective cover are connected to the sides of the cover plate, the top of the upper protective cover is respectively plugged into the bottoms of two clamping rods, the bottoms of the clamping rods penetrate the cover plate and extend into the funnel tube.

[0010] Sealing plates are arranged at the two sliding grooves corresponding to the front and rear ends of the lower protective cover, and one side of the sealing plate is connected to the outer side of the lower protective cover.

[0011] The rotating shaft passes through the two slide grooves and extends to one end of the sealing plate to be connected with one side of the funnel tube. The sealing plate and the lower protective cover are connected through a rubber pad.

[0012] The clamping rod comprises a vertical rod and a threaded rod, the bottom of the vertical rod is connected to the top of the threaded rod, the outer side of the threaded rod is threadedly connected to the inner ring of the nut, and the bottom of the threaded rod penetrates the funnel tube and extends to the bottom of the funnel tube.

[0013] The outer sides of the two hinge pins are connected with the inner rings of the two retaining rings, and the two retaining rings are respectively fitted with the top and the bottom of a hinge plate.

[0014] The outer top and bottom of the hinge pin are respectively connected to two retaining rings, the two top retaining rings are respectively fitted with the top of a hinge plate, and the two bottom retaining rings are respectively fitted with the bottom of two hinge plates.

[0015] The length and width of the first hinge plate and the second hinge plate are the same, and the two hinge plates on the left and the first hinge plate on the right are both provided with card slots.

[0016] A slide groove is provided on the top of each of the first hinge plate and the second hinge plate, a hinge pin is slidably matched with the slide groove, the slide groove is slidably matched with the other end of the L-shaped rod, and the slide groove is located on one side of the intersection of the first hinge plate and the second hinge plate, close to the inner wall of the lower protective cover.

[0017] The top of the lower protective cover is provided with a T-slot between the two T-slots, the front of the upper protective cover is provided with a through slot, a T-slide rail is arranged in the through slot, the front of the T-slide rail is connected to the side of the through slot, and the back of the T-slide rail is slidably matched with a T-slot.

[0018] The bottoms on the left and right sides of the upper protective cover and the tops on the left and right sides of the lower protective cover are both provided with arc grooves, and sealing rubber layers are provided in the arc grooves.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. In a cable junction box of the present invention, when the upper protective cover is removed from the lower protective cover, the two rotating shafts move away from each other under the force of the compression spring, thereby causing the two hinged plates and the two hinged plates to deflect, and at the same time, the two hinge pins at the hinged joints of the first hinged plate and the second hinged plate move away from each other, thereby increasing the middle space surrounded by the two hinged plates and the two hinged plates, making it convenient for workers to connect. At this time, the two cables to be connected are respectively wound around the two sleeves, and the two cables extend into the first hinged plate and the second hinged plate through the two card slots. The two hinged plates are connected in the middle space of the two hinged plates. After being connected together, the vertical rods on the two clamping rods are slid into different funnel tubes, and the two rotating shafts are close to each other. Under the setting of the L-shaped rod, a slide groove, a T-shaped slide groove, a T-shaped slider and two hinge pins, the first hinged plate and the two second hinged plates are deflected, and the middle space surrounded by the two first hinged plates and the two second hinged plates is reduced, so that the cable connection protrusion is clamped in the middle of the first hinged plate and the second hinged plate, which increases the firmness of the wire connection and avoids the loosening and disconnection of the connector during long-term use, which seriously affects the normal transmission of electricity. Therefore, after the cable is connected, the connector of this design is not easy to loosen and disconnect, and maintenance is more convenient.

[0021] 2. In a cable junction box of the present invention, a sleeve is sleeved on the middle section of the surface of the rotating shaft, and a cable is wound on the sleeve. The front and rear ends of the outer side of the sleeve are respectively connected to one side of two annular baffles, and the other side of the annular baffle is connected to the rotating shaft. After multiple repairs, when the cable becomes shorter, the cable wound on the sleeve can be untied one circle, which is convenient for the cable to continue to be connected. A through groove is opened on the front of the upper protective cover, and a T-shaped slide rail is arranged in the through groove. The front of the T-shaped slide rail is connected to the side of the through groove, and the back of the T-shaped slide rail is slidably matched with a T-shaped groove to assist the upper protective cover to slide and connect with the lower protective cover, ensuring the stability of the movement and adjustment, and making it smoother. Therefore, this design is easy to maintain and has stronger stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the present invention.

[0023] Figure 2 It is a top view of the present invention.

[0024] Figure 3 It is a cross-sectional view of the present invention.

[0025] Figure 4 It is a schematic diagram of the application of the present invention.

[0026] Figure 5 It is a structural schematic diagram of the clamping rod in the present invention.

[0027] In the figure: lower protective cover 1, annular baffle plate 2, rotating shaft 3, annular groove 4, slide groove 5, adjusting shaft 6, arc block 7, L-shaped rod 8, a hinge pin 9, a hinge plate 10, a retaining ring 11, two hinge plates 12, funnel tube 13, slot 14, retaining ring 15, clamping rod 16, vertical rod 161, threaded rod 162, nut 163, T-shaped slide rail 17, upper protective cover 18, cover plate 19, through groove 20, arc groove 21, sealing rubber layer 211, two hinge pins 22, a T-shaped groove 23, guide rod 24, compression spring 25, T-block 26, two T-shaped grooves 27, two baffles 28, a slide groove 29, sleeve 30, cable 301, two slide grooves 31, sealing plate 32. DETAILED DESCRIPTION

[0028] The present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0029] See also Figures 1 to 5 , a cable junction box, the cable junction box comprising a lower protective cover 1, a hinged plate 10, a second hinged plate 12, a funnel tube 13, an upper protective cover 18 and a sleeve 30;

[0030] Two groups of two T-shaped grooves 27 are provided at both the front and rear ends of the top of the lower protective cover 1. The inner walls of the two T-shaped grooves 27 are slidably connected to the outer sides of the T-shaped blocks 26. Two slide grooves 31 are provided at both the front and rear ends of the top of the lower protective cover 1 on the outer sides of the two T-shaped grooves 27. The opposite sides of the two longitudinal T-shaped blocks 26 are connected by a rotating shaft 3. One end of the rotating shaft 3 penetrates the lower protective cover 1 and is connected to the side of the funnel tube 13. One end of the T-shaped block 26 is connected to the inner walls of the two T-shaped grooves 27 on both sides through a guide rod 24. The other end of the guide rod 24 is connected to the inner walls of the two T-shaped grooves 27 through a compression spring 25. The inner ring of the compression spring 25 is sleeved on the guide rod 24.

[0031] A sleeve 30 is sleeved on the middle section of the surface of the rotating shaft 3, and a cable 301 is wound around the sleeve 30. The front and rear ends of the outer side of the sleeve 30 are respectively connected to one side of the two annular baffles 2, and the other side of the annular baffles 2 is connected to the rotating shaft 3. The surface of the annular baffle 2 is slidably matched with the arc block 7. An annular groove 4 is provided in the center of the top of the annular baffle 2. The arc block 7 is slidably connected to the annular groove 4. The left and right sides of the inner wall of the lower protective cover 1 are connected to one end of the two baffles 28. The two baffles 28 are arranged between the two annular baffles 2 on the same side.

[0032] The bottom of the inner wall of the lower protective cover 1 is provided with two slide grooves 5, the inner wall of the slide groove 5 is slidably matched with the adjusting shaft 6, the top of the adjusting shaft 6 is connected to the bottom of the two hinge pins 22, the sides of the two hinge pins 22 are respectively sleeved with a cross-arranged hinge plate 10 and a second hinge plate 12, the two hinge plates 12 are arranged at the middle of one end of the hinge plate 10, one end of the hinge plate 10 and one end of the second hinge plate 12 are hinged by a hinge pin 9, one end of the arc block 7 is connected to one end of the L-shaped rod 8, and the other end of the L-shaped rod 8 is respectively slidably connected to the one hinge plate 10 and the second hinge plate 12;

[0033] An upper protective cover 18 is provided above the lower protective cover 1. The front and back tops of the upper protective cover 18 are connected to the sides of the cover plate 19. The top of the upper protective cover 18 is respectively plugged into the bottoms of two clamping rods 16. The bottoms of the clamping rods 16 penetrate the cover plate 19 and extend into the funnel tube 13.

[0034] Sealing plates 32 are provided at the front and rear ends of the lower protective cover 1 corresponding to the two slide grooves 31 , and one side of the sealing plate 32 is connected to the outer side of the lower protective cover 1 .

[0035] The rotating shaft 3 passes through the two slide grooves 31 and extends to one end of the sealing plate 32 and is connected to one side of the funnel tube 13. The sealing plate 32 and the lower protective cover 1 are connected via a rubber pad.

[0036] The clamping rod 16 includes a vertical rod 161 and a threaded rod 162 . The bottom of the vertical rod 161 is connected to the top of the threaded rod 162 . The outer side of the threaded rod 162 is threadedly connected to the inner ring of the nut 163 . The bottom of the threaded rod 162 passes through the funnel tube 13 and extends to the bottom of the funnel tube 13 .

[0037] The outer sides of the two hinge pins 22 are connected to the inner rings of the two retaining rings 11 , and the two retaining rings 11 are respectively fitted to the top and bottom of a hinge plate 10 .

[0038] The top and bottom of the outer side of the hinge pin 9 are connected to two retaining rings 15 respectively. The two top retaining rings 15 are respectively fitted with the top of a hinge plate 10 , and the two bottom retaining rings 15 are respectively fitted with the bottom of two hinge plates 12 .

[0039] The length and width of the first hinge plate 10 and the second hinge plate 12 are the same. The second hinge plates 12 on the left and the first hinge plate 10 on the right are both provided with a slot 14 .

[0040] A slide groove 29 is provided at the top of each of the first hinge plate 10 and the second hinge plate 12, a hinge pin 9 is slidably matched with the slide groove 29, and the slide groove 29 is slidably matched with the other end of the L-shaped rod 8. The slide groove 29 is located on one side of the inner wall of the lower protective cover 1 near the intersection of the first hinge plate 10 and the second hinge plate 12.

[0041] The top of the lower protective cover 1 is provided with a T-slot 23 between the two T-slots 27, the front of the upper protective cover 18 is provided with a through slot 20, a T-shaped slide rail 17 is provided in the through slot 20, the front of the T-shaped slide rail 17 is connected to the side of the through slot 20, and the back of the T-shaped slide rail 17 is slidably matched with a T-slot 23.

[0042] The left and right bottoms of the upper protective cover 18 and the left and right tops of the lower protective cover 1 are both provided with arc grooves 21 , and a sealing rubber layer 211 is provided in the arc grooves 21 .

[0043] The principle of the present invention is described as follows:

[0044] Unscrew the nut 163 on the clamping rod 16 at the bottom end of the funnel tube 13. At this time, the upper protective cover 18 can be removed from the lower protective cover 1. Under the force of the compression spring 25, the T-block 26 slides in the two T-slots 27, so that the two rotating shafts 3 move synchronously. At this time, under the setting of the T-shaped arc block 7, the L-shaped rod 8 and a slide groove 29, the two hingedly connected hinged plates 10 and the two hinged plates 12 are deflected, so that the two hinge pins 22 at the hinged joint of the hinged plate 10 and the second hinged plate 12 slide and correct under the setting of the slide groove 5 and the adjusting shaft 6, and then the funnel tube 13 is rotated to make the rotating shaft 3 and the sleeve 30 rotate, and the two cables 301 to be connected are respectively wound around the two sleeves 30. At this time, the cable 301 is wound between the two second baffles 28. The top view is as shown in the figure. Figure 2 In the state shown, one end of the two cables 301 in the lower protective cover 1 is respectively extended into the middle space of the hinged plate 10 and the two hinged plates 12 through the two card slots 14 to connect them. After being connected together, the other ends of the two cables 301 are clamped in the arc groove 21 on the lower protective cover 1, and then the bottom ends of the vertical rods on the two clamp rods 16 are respectively extended into different funnel tubes 13. Figure 1The two L-shaped rods 8 are close to each other under the setting of the T-block 26 and the two T-slots 27, thereby making the two relative L-shaped rods 8 close to each other and slide in a slide groove 29, and pushing a hinge plate 10 and two hinge plates 12 to deflect. At this time, under the setting of the slide groove 5 and the adjusting shaft 6, the two hinge pins 22 at the hinged joint of the hinge plate 10 and the two hinge plates 12 slide close to each other until the upper protective cover 18 fits back to the lower protective cover 1 again. At this time, the cover plate 19 effectively fits and covers its funnel tube 13, and then the nut is threadedly connected to the bottom end of the vertical rod of the card rod 16, and the nut is fit with the funnel tube 13 at this time. The connected cable 301 extends out of the lower protective cover 1 through the two relative arc grooves 21 to continue to be extended and transported.

[0045] Embodiment 1:

[0046] A cable junction box, a cable junction box, the cable junction box comprising a lower protective cover 1, a hinged plate 10, two hinged plates 12, a funnel tube 13, an upper protective cover 18 and a sleeve 30; two groups of two T-shaped grooves 27 are provided at the front and rear ends of the top of the lower protective cover 1, the inner walls of the two T-shaped grooves 27 are slidably connected to the outer side of the T-shaped block 26, the front and rear ends of the top of the lower protective cover 1 are located on the outer side of the two T-shaped grooves 27 and two slide grooves 31 are provided, the opposite sides of the two longitudinal T-shaped blocks 26 are connected by a rotating shaft 3, one end of the rotating shaft 3 penetrates the lower protective cover 1 and is connected to the side of the funnel tube 13, one end of the T-shaped block 26 is connected to the inner walls of the two sides of the two T-shaped grooves 27 by a guide rod 24, the guide rod 24 The other end is connected to the inner wall of the two T-slots 27 through a compression spring 25, and the inner ring of the compression spring 25 is sleeved on the guide rod 24; a sleeve 30 is sleeved on the middle section of the surface of the rotating shaft 3, and a cable 301 is wound around the sleeve 30, and the front and rear ends of the outer side of the sleeve 30 are respectively connected to one side of the two annular baffles 2, and the other side of the annular baffle 2 is connected to the rotating shaft 3, and the surface of the annular baffle 2 is slidably matched with the arc block 7, and the left and right sides of the inner wall of the lower protective cover 1 are connected to one end of the two baffles 28, and the two baffles 28 are arranged between the two annular baffles 2 on the same side; two slide grooves 5 are provided at the bottom of the inner wall of the lower protective cover 1, and the inner wall of the slide groove 5 is slidably matched with the adjusting shaft 6, and the top of the adjusting shaft 6 is connected to the two hinge pins The bottom of the hinge 22 is connected, and the sides of the two hinge pins 22 are respectively sleeved with a cross-arranged hinge plate 10 and a second hinge plate 12, and the two hinge plates 12 are arranged in the middle of one end of the hinge plate 10, and one end of the hinge plate 10 and one end of the second hinge plate 12 are hinged by a hinge pin 9. One end of the arc block 7 is connected to one end of the L-shaped rod 8, and the other end of the L-shaped rod 8 is respectively slidably connected to the hinge plate 10 and the second hinge plate 12. The two hinge pins 22 at the hinge of the hinge plate 10 and the second hinge plate 12 slide and correct under the setting of the slide groove 5 and the adjustment shaft 6; an upper protective cover 18 is arranged above the lower protective cover 1, and the front and back tops of the upper protective cover 18 are connected to the side of the cover plate 19. The top of the upper protective cover 18 is respectively plugged into the bottom of the two clamping rods 16, and the bottom of the clamping rod 16 passes through the cover plate 19 and extends into the funnel tube 13. The rotating shaft 3 and the sleeve 30 are rotated by rotating the funnel tube 13, so that the two cables 301 that need to be connected can be respectively wound around the two sleeves 30. At this time, the cables 301 are wound between the two second baffles 28, and then one end of the two cables 301 in the lower protective cover 1 is respectively extended through the two clamping grooves 14 into the middle space of a hinged plate 10 and two second hinged plates 12 for connection. In order to make the connection more secure, a knot can be tied in the middle. After being connected together, the other ends of the two cables 301 are stuck in the arc groove 21 on the lower protective cover 1.

[0047] The method of using the above-mentioned cable junction box is as follows: loosen the clamping rod 16, remove the upper protective cover 18 from the lower protective cover 1, and under the force of the compression spring 25, the T-block 26 slides in the two T-slots 27, thereby causing the two rotating shafts 3 to move synchronously, and then the two hinged plates 10 and the two hinged plates 12 that are hingedly connected are deflected, so that the two hinge pins 22 are corrected under the sliding cooperation of the slide groove 5 and the adjustment shaft 6, and then the funnel tube 13 is rotated to drive the rotating shaft 3 and the sleeve 30 to rotate, and the two cables 301 to be connected are respectively wound around the two sleeves 30. At this time, the cables 301 are wound between the two second baffles 28, and then one end of the two cables 301 in the lower protective cover 1 passes through the two clamping grooves 14 respectively, and extends into the middle space between the first hinge plate 10 and the two second hinge plates 12 The two cables 301 are connected in the arc groove 21 on the lower protective cover 1, and then the bottom ends of the vertical rods 161 on the two clamping rods 16 are respectively extended into different funnel tubes 13, and then the upper protective cover 18 is pressed downward, so that the clamping rod 16 slides downward into the funnel tube 13, and the clamping rod 16 pushes the funnel tube 13 to move. The two rotating shafts 3 are close to each other under the setting of the T-block 26 and the two T-slots 27, so that the two hinge pins 22 at the hinge of the first hinge plate 10 and the second hinge plate 12 slide close to each other until the upper protective cover 18 fits back to the lower protective cover 1 again. At this time, the cover plate 19 effectively covers its funnel tube 13, and then the bottom end of the vertical rod of the clamping rod 16 is threadedly connected to the nut 163, and the nut 163 fits with the funnel tube 13.

[0048] Embodiment 2:

[0049] Embodiment 2 is substantially the same as Embodiment 1, except that:

[0050] A cable junction box, wherein an upper protective cover 18 is arranged above the lower protective cover 1, the top of the front and back sides of the upper protective cover 18 are connected to the side of the cover plate 19, the top of the upper protective cover 18 is respectively plugged with the bottom of two clamping rods 16, the bottom of the clamping rod 16 penetrates the cover plate 19 and extends into the funnel tube 13, the clamping rod 16 includes a vertical rod 161 and a threaded rod 162, the bottom of the vertical rod 161 is connected to the top of the threaded rod 162, the outer side of the threaded rod 162 is threadedly connected to the inner ring of a nut 163, and the bottom of the threaded rod 162 penetrates the funnel tube 13 and extends to the bottom of the funnel tube 13; Sealing plates 32 are provided at the two chute grooves 31 at the front and rear ends of the lower protective cover 1, and one side of the sealing plate 32 is connected to the outer side of the lower protective cover 1; the rotating shaft 3 passes through the two chute grooves 31 and extends to one end of the sealing plate 32 and is connected to one side of the funnel tube 13, and the sealing plate 32 is connected to the lower protective cover 1 through a rubber pad; an annular groove 4 is provided at the center of the top of the annular baffle 2, and the arc block 7 is slidably connected to the annular groove 4; a T-slot 23 is provided at the top of the lower protective cover 1 between the two T-slots 27, and a through groove 20 is provided on the front of the upper protective cover 18, and a T-slot is provided in the through groove 20 The slide rail 17, the front of the T-shaped slide rail 17 is connected to the side of the through groove 20, and the back of the T-shaped slide rail 17 is slidably matched with a T-shaped groove 23, which assists the upper protective cover 18 to slide and connect with the lower protective cover 1, ensuring the stability of the movement adjustment and being smoother; the left and right bottoms of the upper protective cover 18 and the left and right tops of the lower protective cover 1 are both provided with arc grooves 21, and a sealing rubber layer 211 is provided in the arc groove 21, and the two second hinge pins 22 at the hinge of the first hinge plate 10 and the second hinge plate 12 slide close to each other, so that the two first hinge plates 10 and the two second hinge plates 12 are effectively surrounded by each other. The middle space is reduced, thereby effectively clamping the protrusion of the connection to the middle of the first hinge plate 10 and the second hinge plate 12, which can increase its firmness and avoid the loosening and disconnection of the connector during long-term use, seriously affecting the normal transmission of electricity, until the upper protective cover 18 is fitted back to the lower protective cover 1 again, at this time the cover plate 19 effectively fits and covers the funnel tube 13, and then the bottom end of the clamping rod 16 is threadedly connected to the nut 163, and at this time the nut 163 is fitted with the funnel tube 13, and the connected cable 301 extends out of the lower protective cover 1 through the two opposite arc grooves 21 to continue to extend the transmission.

[0051] Embodiment 3:

[0052] Embodiment 3 is substantially the same as Embodiment 2, except that:

[0053] A cable junction box, wherein the outer sides of the two hinge pins 22 are connected to the inner rings of the two retaining rings 11, and the two retaining rings 11 are respectively fitted with the top and bottom of a hinged plate 10; the outer top and bottom of the hinge pin 9 are respectively connected to the two retaining rings 15, the top two retaining rings 15 are respectively fitted with the top of a hinged plate 10, and the bottom two retaining rings 15 are respectively fitted with the bottoms of two hinged plates 12; the length and width of the hinged plate 10 and the two hinged plates 12 are the same, and the two hinged plates 12 on the left and the hinged plate 10 on the right are both provided with a card slot 14; the tops of the hinged plates 10 and the two hinged plates 12 are both provided with a slide groove 29, a hinge pin 9 is slidably matched with the slide groove 29, the slide groove 29 is slidably matched with the other end of the L-shaped rod 8, and the slide groove 29 is located at the intersection of the hinged plate 10 and the two hinged plates 12, near the side of the inner wall of the lower protective cover 1.

[0054] The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiment. Any equivalent modifications or changes made by ordinary technicians in this field based on the contents disclosed by the present invention should be included in the protection scope recorded in the claims.

Claims

1. A cable junction box, characterized in that The cable junction box comprises a lower protective cover (1), a hinged plate (10), two hinged plates (12), a funnel tube (13), an upper protective cover (18) and a sleeve (30); Two groups of two T-shaped grooves (27) are provided at both front and rear ends of the top of the lower protective cover (1), the inner walls of the two T-shaped grooves (27) are slidably connected to the outer sides of the T-shaped blocks (26), and two sliding grooves (31) are provided at both front and rear ends of the top of the lower protective cover (1) on the outer sides of the two T-shaped grooves (27), and the opposite sides of the two longitudinal T-shaped blocks (26) are connected by a rotating shaft (3), one end of the rotating shaft (3) penetrates the lower protective cover (1) and is connected to the side of the funnel tube (13), one end of the T-shaped block (26) is connected to the inner walls of the two T-shaped grooves (27) on both sides by a guide rod (24), and the other end of the guide rod (24) is connected to the inner walls of the two T-shaped grooves (27) by a compression spring (25), and the inner ring of the compression spring (25) is sleeved on the guide rod (24); A sleeve (30) is sleeved on the middle section of the surface of the rotating shaft (3), a cable (301) is wound around the sleeve (30), the front and rear ends of the outer side of the sleeve (30) are respectively connected to one side of the two annular baffles (2), the other side of the annular baffles (2) is connected to the rotating shaft (3), the surface of the annular baffles (2) is slidably matched with the arc block (7), an annular groove (4) is provided at the top center of the annular baffle (2), the arc block (7) is slidably connected to the annular groove (4), the left and right sides of the inner wall of the lower protective cover (1) are connected to one end of the two baffles (28), and the two baffles (28) are arranged between the two annular baffles (2) on the same side; The bottom of the inner wall of the lower protective cover (1) is provided with two slide grooves (5), the inner wall of the slide groove (5) is slidably matched with the adjustment shaft (6), the top of the adjustment shaft (6) is connected to the bottom of the two hinge pins (22), the sides of the two hinge pins (22) are respectively sleeved with a cross-arranged hinge plate (10) and a second hinge plate (12), the two hinge plates (12) are arranged at the middle of one end of the hinge plate (10), one end of the hinge plate (10) and one end of the second hinge plate (12) are hinged through a hinge pin (9), one end of the arc block (7) is connected to one end of the L-shaped rod (8), and the other end of the L-shaped rod (8) is slidably connected to the hinge plate (10) and the second hinge plate (12) respectively; An upper protective cover (18) is arranged above the lower protective cover (1), the front and back tops of the upper protective cover (18) are connected to the side of the cover plate (19), the top of the upper protective cover (18) is respectively plugged into the bottoms of two clamping rods (16), the bottoms of the clamping rods (16) penetrate the cover plate (19) and extend into the funnel tube (13); One end of the two cables (301) in the lower protective cover (1) respectively passes through two clamping grooves (14) on the first hinge plate (10) and the second hinge plate (12), and extends into the middle space between the first hinge plate (10) and the second hinge plate (12) for connection. After being connected together, the other ends of the two cables (301) are clamped in the arc groove (21) on the lower protective cover (1).

2. A cable junction box according to claim 1, characterized in that: Sealing plates (32) are provided at the front and rear ends of the lower protective cover (1) corresponding to the two slide grooves (31), and one side of the sealing plate (32) is connected to the outer side of the lower protective cover (1).

3. A cable junction box according to claim 2, characterized in that: The rotating shaft (3) passes through the two slide grooves (31) and extends to one end of the sealing plate (32) and is connected to one side of the funnel tube (13). The sealing plate (32) and the lower protective cover (1) are connected via a rubber pad.

4. A cable junction box according to claim 1, characterized in that: The clamping rod (16) comprises a vertical rod (161) and a threaded rod (162); the bottom of the vertical rod (161) is connected to the top of the threaded rod (162); the outer side of the threaded rod (162) is threadedly connected to the inner ring of a nut (163); and the bottom of the threaded rod (162) passes through the funnel tube (13) and extends to the bottom of the funnel tube (13).

5. The cable junction box according to claim 1, characterized in that: The outer sides of the two hinge pins (22) are connected to the inner rings of two retaining rings (11), and the two retaining rings (11) are respectively fitted to the top and bottom of a hinge plate (10).

6. The cable junction box according to claim 1, characterized in that: The outer top and bottom of the hinge pin (9) are respectively connected to two retaining rings (15); the two retaining rings (15) on the top are respectively fitted with the top of a hinge plate (10); and the two retaining rings (15) on the bottom are respectively fitted with the bottom of two hinge plates (12).

7. A cable junction box according to claim 1 or 6, characterized in that: The length and width of the first hinge plate (10) and the second hinge plate (12) are the same, and a clamping groove (14) is provided on the second hinge plate (12) on the left side and the first hinge plate (10) on the right side.

8. A cable junction box according to claim 1 or 6, characterized in that: A slide groove (29) is provided at the top of each of the first hinge plate (10) and the second hinge plate (12); a hinge pin (9) is slidably matched with the slide groove (29); the slide groove (29) is slidably matched with the other end of the L-shaped rod (8); and the slide groove (29) is located at a side of the intersection of the first hinge plate (10) and the second hinge plate (12) close to the inner wall of the lower protective cover (1).

9. The cable junction box according to claim 1, characterized in that: The top of the lower protective cover (1) is provided with a T-shaped groove (23) between two T-shaped grooves (27); the front of the upper protective cover (18) is provided with a through groove (20); a T-shaped slide rail (17) is arranged in the through groove (20); the front of the T-shaped slide rail (17) is connected to the side of the through groove (20); and the back of the T-shaped slide rail (17) is slidably matched with a T-shaped groove (23).

10. The cable junction box according to claim 1, characterized in that: The left and right bottoms of the upper protective cover (18) and the left and right tops of the lower protective cover (1) are both provided with arc-shaped grooves (21), and a sealing rubber layer (211) is provided in the arc-shaped grooves (21).

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