Photovoltaic cable connecting device

Abstract

The utility model relates to the technical field of photovoltaic cable connection, and discloses a photovoltaic cable connecting device which comprises a connecting sleeve and a connecting through groove formed in the connecting sleeve, a limiting mechanism is arranged on the connecting sleeve, a splicing mechanism is arranged outside the connecting sleeve, the limiting mechanism comprises threads formed in the outer wall of the connecting sleeve, and the connecting through groove is formed in the connecting sleeve. The thread is in threaded connection with a threaded sleeve, the stress sliding rod is extruded by rotating the threaded sleeve, so that the connecting sliding block and the extrusion inclined block are driven to move, the stress elastic block can be contacted and extruded through movement of the extrusion inclined block, and the stress elastic block can generate downward deformation at the moment; in this way, the limiting clamping plates at the upper end and the lower end can be driven to get close to each other, the outer wall of the cable can be clamped and limited, the cable limiting mechanism can clamp and limit cables of different specifications, and therefore the applicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to photovoltaic cable connection technical field, concretely relates to a photovoltaic cable connecting device. BACKGROUND

[0002] Solar technology will become one of the green energy technologies in the future, and solar energy or photovoltaic (PV) is increasingly widely used in China. In addition to the rapid development of government-supported photovoltaic power plants, private investors are also actively building plants, planning to produce solar modules for global sales. Photovoltaic cables are used to transmit high-power electricity, and high-safety photovoltaic cables can improve the safety of residence.

[0003] After searching, CN221748340U discloses a photovoltaic cable connecting device, which prevents the cable from detaching, solves the problem of poor fixing effect of the existing cable fixed by binding, and prevents the two cables from detaching during fixing and pulling, causing safety hazards. The device effectively improves the fixing of the connection between the cables and prevents detachment.

[0004] However, the size of the connection assembly one and the connection assembly two after splicing in the device is fixed, so it can only fix one specification of cable, and the external cable also needs to be provided with a clamping groove for cooperation, which increases the production cost of the cable, thus reducing the applicability of the device.

[0005] Therefore, the utility model is provided. UTILITY MODEL CONTENT

[0006] To solve the above technical problems, the basic concept of the technical solution of the utility model is:

[0007] A photovoltaic cable connecting device, comprising a connecting sleeve,

[0008] A connecting slot is provided in the connecting sleeve, a limiting mechanism is provided on the connecting sleeve, a splicing mechanism is provided outside the connecting sleeve, and the limiting mechanism comprises a thread provided on the outer wall of the connecting sleeve.

[0009] The thread is threadedly connected with a threaded sleeve, a fixed block is fixedly connected to the top end of the connecting sleeve, a first spring is fixedly connected to the inner wall of the fixed block, a connecting sliding block is fixedly connected to the end of the first spring away from the inner wall of the fixed block, a stress sliding rod is fixedly connected to the outer wall of the end of the connecting sliding block away from the first spring, an extrusion inclined block is fixedly connected to the bottom end of the connecting sliding block, a stress elastic block is installed on the inner wall of the connecting sleeve, and a limiting clamping plate is installed on the bottom of the stress elastic block.

[0010] As a preferred embodiment of the utility model, the splicing mechanism comprises a fixed frame fixedly connected to the outer wall of the connecting sleeve, a clamping groove is formed in the top end of the fixed frame, a sliding hole is formed in the inner wall of the clamping groove, a second spring is fixedly connected to the inner wall of the sliding hole, a positioning rod is fixedly connected to the end of the second spring away from the inner wall of the sliding hole, a pull rod is fixedly connected to the outer wall of one end of the positioning rod, the pull rod is movably penetrated through the inner wall of the sliding hole, a clamping plate is fixedly connected to the side of the outer wall of the connecting sleeve opposite to the fixed frame, and a positioning hole is formed in the outer wall of the clamping plate.

[0011] As a preferred embodiment of the utility model, a communication groove is formed in the inner wall of the bottom end of the fixed block and the outer wall of the connecting sleeve, and the two are in communication.

[0012] As a preferred embodiment of the utility model, a slope is formed in the bottom of the extrusion inclined block and the top of the stress elastic block, and the slopes formed in the two are matched.

[0013] As a preferred embodiment of the utility model, the number of limiting clamping plates is two, and the limiting clamping plates are symmetrically distributed in the connecting sleeve in an up-down manner.

[0014] As a preferred embodiment of the utility model, the inner wall of the clamping groove formed in the outer wall of the fixed frame is matched with the outer wall of the clamping plate.

[0015] As a preferred embodiment of the utility model, the outer wall of the positioning rod is matched with the inner wall of the positioning hole, and a stress slope is formed in the top of the positioning rod.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The utility model discloses, through rotating the threaded sleeve to extrude the stress sliding rod, thereby drive the connecting sliding block and extrusion inclined block move, through the movement of extrusion inclined block can contact and extrude stress elastic block, at this moment, the stress elastic block will produce downward deformation, which can drive the limiting clamping plates at the two ends to approach each other, so that the outer wall of the cable can be clamped and limited, and the limiting mechanism for the cable can clamp and limit cables of different specifications, thereby improving the applicability of the device.

[0018] The utility model discloses, through the cardboard is clamped in the fixed frame inside, then the cardboard is extruded to the positioning rod and produces the movement, through the positioning rod movement can be extruded to the second spring, with the cardboard continues to move and drives the positioning hole to move to the positioning column, the second spring resets and pushes the positioning rod and is clamped in the positioning hole inner wall, so this can be convenient between cable and the connection operation of cable, can complete splicing quickly.

[0019] The utility model discloses a specific embodiment of the utility model will be described in further detail below in conjunction with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0020] In the drawings:

[0021] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0022] Fig. 2 It is the side structure schematic diagram of the utility model;

[0023] Fig. 3 It is the limit mechanism cross section structure schematic diagram of the utility model;

[0024] Fig. 4 It is the splicing mechanism cross section structure schematic diagram of the utility model.

[0025] In the drawings: 1, connecting sleeve;2, connecting through slot;31, limit mechanism;311, screw thread;312, threaded sleeve;313, fixed block;314, first spring;315, connecting sliding block;316, stress sliding rod;317, extrusion inclined block;318, stress elastic block;319, limit clamping plate;32, splicing mechanism;321, fixed frame;322, second spring;323, positioning rod;324, pull rod;325, card plate;326, positioning hole. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, below will combine the drawings in the utility model embodiment, and the technical scheme in the embodiment is clearly and completely described, and the following embodiment is used to explain the utility model.

[0027] As Figs. 1 to 4As shown, a photovoltaic cable connecting device, comprising a connecting sleeve 1, a connecting slot 2 opened in the connecting sleeve 1, a limiting mechanism 31 provided on the connecting sleeve 1, a splicing mechanism 32 provided outside the connecting sleeve 1, the limiting mechanism 31 comprising a thread 311 opened on the outer wall of the connecting sleeve 1, the thread 311 being threadedly connected with a threaded sleeve 312, the connecting sleeve 1 being fixedly connected with a fixed block 313 at the top end, the fixed block 313 being fixedly connected with a first spring 314 on the inner wall, the first spring 314 being fixedly connected with a connecting sliding block 315 at the end away from the inner wall of the fixed block 313, the outer wall of the end of the connecting sliding block 315 away from the first spring 314 being fixedly connected with a stress sliding rod 316, the bottom end of the connecting sliding block 315 being fixedly connected with an extrusion inclined block 317, the inner wall of the connecting sleeve 1 being provided with a stress elastic block 318, and the bottom of the stress elastic block 318 being provided with a limiting clamp plate 319.

[0028] Further, the bottom end of the inner wall of the fixed block 313 and the outer wall of the connecting sleeve 1 are provided with a communication groove, which are communicated with each other, so as to provide a moving space for the extrusion inclined block 317, so as to ensure that the extrusion inclined block 317 can move.

[0029] Further, the bottom of the extrusion inclined block 317 and the top of the stress elastic block 318 are provided with inclined surfaces, and the inclined surfaces of the two are matched and matched, so that the inclined surfaces of the two are perfectly matched and stressed, so as to ensure that the stress elastic block 318 can be deformed.

[0030] Further, the number of limiting clamp plates 319 is two, and the limiting clamp plates 319 are symmetrically distributed in the connecting sleeve 1, so as to clamp and fix the upper and lower sides of the cable, so as to ensure the clamping stability of the cable.

[0031] The splicing mechanism 32 comprises a fixed frame 321 fixedly connected to the outer wall of the connecting sleeve 1, a clamping groove is opened at the top end of the fixed frame 321, a sliding hole is opened in the inner wall of the clamping groove, a second spring 322 is fixedly connected to the inner wall of the sliding hole, a positioning rod 323 is fixedly connected to the end of the second spring 322 away from the inner wall of the sliding hole, a pull rod 324 is fixedly connected to the outer wall of one end of the positioning rod 323, the pull rod 324 is movably penetrated through the inner wall of the sliding hole, a clamping plate 325 is fixedly connected to the outer wall of the connecting sleeve 1 on the opposite side of the fixed frame 321, and a positioning hole 326 is opened in the outer wall of the clamping plate 325.

[0032] Further, the inner wall of the clamping groove opened in the outer wall of the fixed frame 321 and the outer wall of the clamping plate 325 are matched and matched, so as to ensure the clamping stability of the clamping plate 325 after being clamped in the inner wall of the clamping groove.

[0033] Further, the outer wall of the positioning rod 323 is matched with the inner wall of the positioning hole 326, the top of the positioning rod 323 is provided with a stress inclined surface, so that the close fit between the positioning rod 323 and the inner wall of the positioning hole 326 is ensured, and the positioning stability is improved.

[0034] The implementation principle of the photovoltaic cable connecting device of the embodiment is as follows: first, the cable is inserted through the connecting sleeve 1, so that the cable is located at the center of the connecting groove 2, then the threaded sleeve 312 is rotated, at this time the threaded sleeve 312 will rotate on the thread 311, so as to move to the left side, with the movement of the threaded sleeve 312, the stress sliding rod 316 is contacted and extruded, so as to drive the stress sliding rod 316 to move to the left side, with the movement of the stress sliding rod 316, the connecting sliding block 315 moves in the inner wall of the fixed block 313, and in the movement process, the first spring 314 is extruded, at this time the connecting sliding block 315 in the movement process drives the extrusion inclined block 317 at the bottom to move, with the movement of the extrusion inclined block 317, the stress elastic block 318 is contacted and extruded, the stress elastic block 318 subjected to extrusion will generate a downward force, and then the stress elastic block 318 will be deformed downwardly, so that the bottom of the stress elastic block 318 drives the limiting clamp plate 319 to move downwardly, so that the limiting clamp plates 319 on the upper and lower sides move close to each other, so as to clamp and fix the upper and lower outer walls of the cable, the limiting structure of the cable can clamp and limit the cables of different specifications, so as to improve the applicability of the device, when the limiting is released, the threaded sleeve 312 is reversely rotated, so that the stress sliding rod 316 gradually loses the extrusion, at this time the first spring 314 can be reset, so as to reset the connecting sliding block 315 and the extrusion inclined block 317, so that the stress elastic block 318 loses the extrusion and is reset by elasticity, drives the limiting clamp plates 319 at the two ends to move away from each other, so that the clamping and limiting of the outer wall of the cable are released, and the limiting is completed.

[0035] When the cables are connected, the clamping plate 325 on the outer wall of the connecting sleeve 1 is clamped in the clamping groove on the outer wall of the fixed frame 321, with the pushing of the clamping plate 325, the positioning rod 323 is extruded, the positioning rod 323 subjected to extrusion will move backward, and the second spring 322 is extruded, until the positioning hole 326 on the outer wall of the clamping plate 325 moves to the position of the positioning rod 323, the second spring 322 is reset to reset the positioning rod 323 in the inner wall of the positioning hole 326, the connection between the cables is completed, when the connection is released, the positioning rod 323 is pulled outwardly to move outwardly, so that the outer wall of the positioning rod 323 is separated from the inner wall of the positioning hole 326, the limiting of the clamping plate 325 is released, then the clamping plate 325 is pulled upwardly to release the limiting connection.

Claims

1. A photovoltaic cable connection device, comprising a connecting sleeve (1); The connecting slot (2) formed inside the connecting sleeve (1) is characterized in that, The connecting sleeve (1) is provided with a limiting mechanism (31), and the connecting sleeve (1) is provided with a splicing mechanism (32) on the outside. The limiting mechanism (31) includes a thread (311) formed on the outer wall of the connecting sleeve (1). The thread (311) is threaded to a threaded sleeve (312). The top of the connecting sleeve (1) is fixedly connected to a fixing block (313). The inner wall of the fixing block (313) is fixedly connected to a first spring (314). The end of the first spring (314) away from the inner wall of the fixing block (313) is fixedly connected to a connecting slider (315). The outer wall of the end of the connecting slider (315) away from the first spring (314) is fixedly connected to a force-bearing slide rod (316). The bottom end of the connecting slider (315) is fixedly connected to a pressing inclined block (317). The inner wall of the connecting sleeve (1) is equipped with a force-bearing elastic block (318). The bottom of the force-bearing elastic block (318) is equipped with a limit clamp (319).

2. The photovoltaic cable connection device according to claim 1, characterized in that, The splicing mechanism (32) includes a fixed frame (321) fixedly connected to the outer wall of the connecting sleeve (1). The fixed frame (321) has a slot at the top and a sliding hole in the inner wall of the slot. A second spring (322) is fixedly connected to the inner wall of the sliding hole. A positioning rod (323) is fixedly connected to the end of the second spring (322) away from the inner wall of the sliding hole. A pull rod (324) is fixedly connected to the outer wall of one end of the positioning rod (323). The outer wall of the pull rod (324) moves through the inner wall of the sliding hole. A card plate (325) is fixedly connected to the outer wall of the connecting sleeve (1) on the opposite side of the fixed frame (321). A positioning hole (326) is opened on the outer wall of the card plate (325).

3. The photovoltaic cable connection device according to claim 1, characterized in that, The bottom of the inner wall of the fixing block (313) and the outer wall of the connecting sleeve (1) are provided with a connecting groove, and the two are connected to each other.

4. A photovoltaic cable connection device according to claim 1, characterized in that, The bottom of the extrusion block (317) and the top of the force-bearing elastic block (318) are provided with inclined surfaces, and the inclined surfaces of the two are fitted together.

5. A photovoltaic cable connection device according to claim 1, characterized in that, There are two limiting clamps (319), and the limiting clamps (319) are distributed in a symmetrical structure inside the connecting sleeve (1).

6. A photovoltaic cable connection device according to claim 2, characterized in that, The inner wall of the slot on the outer wall of the fixed frame (321) fits snugly against the outer wall of the card plate (325).

7. A photovoltaic cable connection device according to claim 2, characterized in that, The outer wall of the positioning rod (323) fits snugly against the inner wall of the positioning hole (326), and a force-bearing inclined surface is provided at the top of the positioning rod (323).

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