Cable connecting device

Abstract

The utility model discloses a cable connecting device, which relates to the technical field of cable connection and comprises a cable body and an inner-layer protection device, the cable body is provided with a connecting part, the left side of the inner-layer protection device is provided with a first sealing gasket, and the right side of the inner-layer protection device is provided with a second sealing gasket. An outer-layer protection device is arranged on the outer side of the first sealing gasket, the outer side of the second sealing gasket and the outer side of the inner-layer protection device. The cable connecting part is primarily protected and fixed through the inner layer protection device, external pollutants are prevented from invading the connecting part, the service life of the cable is prolonged, the first sealing gasket and the second sealing gasket are matched with the outer layer protection device to seal the inner layer protection device, and the service life of the cable is prolonged. External pollutants are prevented from entering from the two ends of the inner-layer protection device, the sealing performance of the whole device is enhanced, the outer-layer protection device can protect the inner-layer protection device, and the inner-layer protection device is prevented from being extruded and damaged by external force.

Description

TECHNICAL FIELD

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

[0002] The waterproof and dustproof of cable connection refers to ensuring that cable joints or connecting boxes and other parts can effectively prevent the invasion of moisture, dust and other external pollutants by adopting special sealing technology and materials, so as to avoid the damage or failure of electrical equipment. The waterproof and dustproof treatment is crucial for the cable connection used in power, communication and industrial equipment, especially in harsh environments, and the protection effect directly affects the safety and stability of the system.

[0003] The utility model discloses a test cable connecting device, the first sleeve and the second sleeve cooperate can protect the connecting head of two test cables in the sleeve, avoid that the connecting head is directly exposed to the outside and is eroded, and the connecting buckle and the buckle groove cooperate, can the first sleeve and the second sleeve are fixed, prevent loosening.

[0004] The above-mentioned device can achieve the protection of the cable connection, but the protection of the cable connection of the device is only one layer, once the connecting buckle and the buckle tooth loosen, the first connecting piece and the second connecting piece have a gap, so that the device loses the anti-pollution effect, therefore, a connecting device with better protection of the cable connection is needed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of cable connecting device, to solve the problems presented in the above background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of cable connecting device, including cable body and inner layer protection device, the cable body is provided with connecting portion, the first sealing pad is arranged on the left side of the inner layer protection device, the second sealing pad is arranged on the right side of the inner layer protection device, the first sealing pad, the second sealing pad and the outer side of inner layer protection device are provided with outer layer protection device.

[0008] As a further scheme of the utility model: the inner layer protection device includes two symmetrical base, the base is fixedly arranged on the cable body, the lower sealing piece is arranged between the two base outside the connecting portion, the upper sealing piece is arranged above the lower sealing piece, the upper sealing piece and the lower sealing piece are connected through the mortise and tenon mechanism, the recess that cooperates with the connecting portion is opened in the upper sealing piece and the lower sealing piece, the limiting mobile ring is slidably arranged on the base, the recess that cooperates with the limiting mobile ring is opened in the end of the upper sealing piece and the lower sealing piece, a plurality of threaded holes are evenly arranged on the outer end surface of the base, and the internal hexagonal threaded column is screw mounted in the threaded hole.

[0009] As a further scheme of the utility model: the outer layer protection device includes sleeve, the first nut part is fixedly arranged on the left side of the sleeve, and the nut screw cap is screw mounted on the right side of the sleeve.

[0010] As a further scheme of the utility model: the sealing groove is opened in the first nut part, and the first sealing ring is installed in the sealing groove.

[0011] As a further scheme of the utility model: the sealing groove is opened in the nut screw cap, and the second sealing ring is installed in the sealing groove.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] 1, through the inner layer protection device to the cable connecting portion primary protection and fixed, prevent extraneous pollutants from invading to the connecting portion, prolong the service life of cable, the first sealing pad and the second sealing pad cooperate outer layer protection device and seal the inner layer protection device, avoid extraneous pollutants from entering from the both ends of the inner layer protection device, enhance the sealing property of the whole device, the outer layer protection device can also protect the inner layer protection device, avoid extraneous pressure and destroy the inner layer protection device;

[0014] 2, through the upper sealing piece and the lower sealing piece to the cable connecting portion and seal, rotate the internal hexagonal threaded column and push the limiting mobile ring and move, and then limit the upper sealing piece and the lower sealing piece, prevent the upper sealing piece and the lower sealing piece from moving, improve the sealing property of the inner layer protection device to the cable connecting portion;

[0015] 3, through the first sealing ring, the second sealing ring seals the cable and the outer layer protection device, the first nut part and the nut screw cap cooperate and tighten the first sealing pad, the second sealing pad is pressed, and the sealing property of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is three-dimensional structure schematic diagram of the utility model.

[0017] Fig. 2It is a cross section structure schematic view of the utility model.

[0018] Fig. 3 It is a partial explosion view of the utility model.

[0019] Fig. 4 It is a partial three-dimensional structure schematic view of the inner layer protection device in the utility model.

[0020] Mark annotation: 1, cable body;11, connecting part;2, outer layer protection device;21, first nut part;22, first sealing ring;23, nut screw cap;24, second sealing ring;25, sleeve;3, first sealing pad;4, second sealing pad;5, inner layer protection device;51, base;52, inner hexagonal threaded column;53, limit moving ring;54, upper sealing element;55, lower sealing element. DETAILED DESCRIPTION

[0021] The utility model will be combined with the drawings to make a detailed description of the following embodiment, in the drawing or the specification, similar or same part uses same mark, and in practical application, the shape, thickness or height of each component can be enlarged or reduced. The various embodiments listed in the utility model are only used to illustrate the utility model, and are not used to limit the scope of the utility model. Any obvious modification or change made to the utility model does not deviate from the spirit and scope of the utility model.

[0022] EMBODIMENT

[0023] Please refer to Figs. 1-4 , in the utility model embodiment, a kind of cable connecting device, including cable body 1 and inner layer protection device 5, the cable body 1 has connecting part 11, the left side of the inner layer protection device 5 is provided with first sealing pad 3, the right side of the inner layer protection device 5 is provided with second sealing pad 4, the first sealing pad 3, second sealing pad 4 and inner layer protection device 5 outer side are provided with outer layer protection device 2, the cable connecting part 11 is initially protected and fixed by inner layer protection device 5, prevent extraneous contaminant from invading to connecting part 11, prolong the service life of cable, first sealing pad 3 and second sealing pad 4 cooperate with outer layer protection device 2 to seal the processing of inner layer protection device 5, avoid extraneous contaminant from entering from the both ends of inner layer protection device 5, enhance the sealing property of entire device, outer layer protection device 2 can also protect inner layer protection device 5, avoid extraneous force extrusion and destroy inner layer protection device 5.

[0024] The inner layer protection device 5 comprises two symmetrically arranged bases 51 fixedly arranged on the cable body 1, a lower sealing member 55 arranged outside the connecting portion 11 between the two bases 51, an upper sealing member 54 arranged above the lower sealing member 55, the upper sealing member 54 and the lower sealing member 55 being connected through a mortise and tenon mechanism, recesses being arranged in the upper sealing member 54 and the lower sealing member 55 and matched with the connecting portion 11, a limiting moving ring 53 being slidingly arranged on the base 51, recesses being arranged at the ends of the upper sealing member 54 and the lower sealing member 55 and matched with the limiting moving ring 53, a plurality of threaded holes being uniformly arranged on the outer end surface of the base 51, and a hexagonal socket head cap screw 52 being threadedly installed in the threaded hole. The cable connecting portion 11 is covered and sealed by the upper sealing member 54 and the lower sealing member 55, the hexagonal socket head cap screw 52 is rotated to push the limiting moving ring 53 to move, thereby limiting the upper sealing member 54 and the lower sealing member 55, preventing the upper sealing member 54 and the lower sealing member 55 from moving, and improving the sealing performance of the inner layer protection device 5 on the cable connecting portion.

[0025] The outer layer protection device 2 comprises a sleeve 25, a first nut portion 21 fixedly arranged on the left side of the sleeve 25, a sealing groove arranged in the first nut portion 21, a first sealing ring 22 installed in the sealing groove, a nut tightening cap 23 threadedly installed on the right side of the sleeve 25, a sealing groove arranged in the nut tightening cap 23, and a second sealing ring 24 installed in the sealing groove. The cable and the outer layer protection device 2 are sealed by the first sealing ring 22 and the second sealing ring 24, the first nut portion 21 and the nut tightening cap 23 are matched and tightened to press the first sealing pad 3 and the second sealing pad 4, and the sealing performance of the device is improved.

[0026] During use, the first nut portion 21, the first sealing ring 22, the sleeve 25, and the first sealing pad 3 are installed on one cable, the nut tightening cap 23, the second sealing ring 24, and the second sealing pad 4 are installed on another cable, the base 51 is installed on the two cables respectively, the two cables are connected to form the connecting portion 11, the upper sealing member 54 and the lower sealing member 55 are covered on the cable connecting portion 11, the hexagonal socket head cap screw 52 is tightened by a hexagonal wrench to drive the limiting moving ring 53 to move, thereby limiting the upper sealing member 54 and the lower sealing member 55, the first sealing pad 3 and the second sealing pad 4 are moved to the outer side of the base 51, and then the nut tightening cap 23 is tightened to press the first sealing pad 3 and the second sealing pad 4, thereby completing the installation of the entire device.

[0027] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0028] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A cable connection device comprising a cable body (1) and an inner layer protection device (5), said cable body (1) having a connection portion (11) thereon, characterized in that, The left side of the inner layer protection device (5) is provided with a first sealing gasket (3), the right side of the inner layer protection device (5) is provided with a second sealing gasket (4), and the first sealing gasket (3), the second sealing gasket (4) and the outer side of the inner layer protection device (5) are provided with an outer layer protection device (2).

2. The cable connection device of claim 1, wherein, The inner layer protection device (5) comprises two symmetrically arranged bases (51) fixedly arranged on the cable body (1), a lower sealing element (55) is arranged outside the connecting portion (11) between the two bases (51), an upper sealing element (54) is arranged above the lower sealing element (55), the upper sealing element (54) and the lower sealing element (55) are connected through a mortise and tenon mechanism, recesses are formed in the upper sealing element (54) and the lower sealing element (55) and matched with the connecting portion (11), a limit moving ring (53) is slidingly arranged on the base (51), recesses are formed in the end of the upper sealing element (54) and the lower sealing element (55) and matched with the limit moving ring (53), a plurality of threaded holes are uniformly formed in the outer end face of the base (51), and a hexagonal threaded column (52) is screwedly installed in the threaded hole.

3. The cable connection device of claim 2, wherein, The outer layer protection device (2) comprises a sleeve (25), a first nut portion (21) is fixedly arranged on the left side of the sleeve (25), and a nut screw cap (23) is screwedly installed on the right side of the sleeve (25).

4. The cable connection device of claim 3, wherein, A sealing groove is formed in the first nut portion (21), and a first sealing ring (22) is installed in the sealing groove.

5. The cable connection device of claim 4, wherein, A sealing groove is formed in the nut screw cap (23), and a second sealing ring (24) is installed in the sealing groove.

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