Self-locking anti-seepage cable joint

Abstract

The utility model provides a self-locking water-seepage-proof cable connector. The self-locking water-seepage-proof cable connector comprises a shell, a locking structure, a sealing structure and a cable. The shell comprises a half shell, a lead port and a butt joint port; one end of the half shell is provided with the lead port, and the other end of the half shell is provided with the docking port; the locking structure comprises a plurality of clamping teeth and a plurality of clamping grooves; the clamping teeth and the clamping grooves are uniformly arranged at one end, far away from the lead port, of the butt joint port; the sealing structure comprises an inner sealing layer and an outer sealing layer; the inner sealing layer is attached to the outer surface of the cable, the outer sealing layer is arranged on the surface of the inner side of the half shell, and the inner sealing layer and the outer sealing layer can slide relatively and form wrinkles; the number of the half shells is two, the two half shells are connected through the locking structure, the butt joint ports of the two half shells abut against each other, and the clamping teeth of one half shell are correspondingly clamped with the clamping grooves of the other half shell.

Description

TECHNICAL FIELD

[0001] The utility model relates to power equipment technical field especially is related to a self locking anti -infiltration water cable joint. BACKGROUND

[0002] The cable joint is widely used in the fields of power transmission, signal transmission, etc. as the key connecting component in the cable line. Its main function is to realize the reliable connection between the cables, and at the same time provide necessary protection, such as dustproof, waterproof, anti-loosening, etc. The existing cable joint has poor sealing performance, and the installation process is complicated, which needs to use additional tools and components, such as nuts, screwdrivers, etc., increasing the installation time and labor intensity. SUMMARY

[0003] Therefore, the main purpose of the utility model is to solve the above problems.

[0004] The utility model provides a self locking anti -infiltration water cable joint, include: shell, locking structure, sealing structure, cable, the shell includes half shell, lead wire mouth, butt joint, the half shell one end sets up lead wire mouth, lead wire mouth is used for going in and going out cable, the half shell other end sets up butt joint, the locking structure includes a plurality of card teeth and a plurality of card slots, the card tooth with the card slot all are evenly arranged in the end of butt joint away from lead wire mouth, the sealing structure includes inner layer sealing layer, outer layer sealing layer, the sealing structure is close to the end of butt joint and extends and protrudes in the direction away from lead wire mouth, the inner layer sealing layer is attached to the outer surface of cable, the outer layer sealing layer is arranged in the half shell inside surface, the inner layer sealing layer with the outer layer sealing layer can slide and form wrinkle, the half shell has two, a plurality of card teeth of half shell one -to -one corresponds a plurality of card slots of another half shell, a plurality of card slots of half shell one -to -one corresponds a plurality of card teeth of another half shell.

[0005] Further, two half shells are close to each other after going into cable, and one of the half shells is rotated, when a plurality of card teeth of the half shell can be inserted and abutted to a plurality of card slots of the other half shell, the inner layer sealing layer and the outer layer sealing layer are both formed into wrinkles, at this time, the shell is in the locking state of the mutual abutment locking of the two half shells, when a plurality of card teeth of the half shell are withdrawn and away from a plurality of card slots of the other half shell, the inner layer sealing layer and the outer layer sealing layer are both not wrinkled, at this time, the shell is in the open state of the mutual away of the two half shells.

[0006] Further, a plurality of pre-press spring sheets are arranged between the outer sealing layer and the inner side surface of the half shell, one end of the pre-press spring sheet is fixed to the inner side surface of the half shell, and the other end of the pre-press spring sheet abuts against the outer sealing layer.

[0007] Further, the tooth tip of the clamping tooth is provided with a semicircular protrusion, the groove bottom of the clamping groove is provided with a semicircular groove, and the semicircular protrusion can be matched with the semicircular groove.

[0008] Further, the self-locking water-proof cable joint further comprises a rotating sleeve, the rotating sleeve is arranged outside the shell, the rotating sleeve comprises a first rotating sleeve and a second rotating sleeve, the first rotating sleeve is arranged outside the butt joint of one half shell, the second rotating sleeve is arranged outside the butt joint of the other half shell, and the first rotating sleeve is movably connected with the second rotating sleeve through threads.

[0009] Further, the locking structure further comprises a sealing ring, and the sealing ring is arranged on the side of the butt joint away from the lead port.

[0010] Further, the outer surface of the shell and the outer surface of the rotating sleeve are provided with anti-skid lines, and the anti-skid lines are uniformly distributed rhombic grid protrusions.

[0011] Further, the pre-press spring sheet is a V-shaped spring sheet.

[0012] The beneficial effects of the utility model are as follows:

[0013] Through the clamping tooth and the clamping groove of the locking structure, the cable joint can be quickly installed without tools, the installation time is saved, and the labor intensity is reduced; and the double sealing of the sealing structure and the spring compensation can ensure that the joint is waterproof for a long time DRAWINGS

[0014] Figure 1 It is a self-locking water-proof cable joint structure schematic view of the utility model;

[0015] Figure 2 It is a half shell schematic view of the utility model;

[0016] Figure 3 It is a half shell side view of the utility model;

[0017] Figure 4 It is a rotating sleeve schematic view of the utility model;

[0018] Among them, the above drawings comprise the following reference signs:

[0019] 1, shell; 101, half shell; 102, lead port; 103, butt joint; 2, locking structure; 201, tooth; 2011, semicircular protrusion; 202, clamping groove; 2021, semicircular groove; 203, sealing ring; 3, sealing structure; 301, inner sealing layer; 302, outer sealing layer; 4, cable; 5, pre-press spring piece; 6, rotating sleeve; 601, first rotating sleeve; 602, second rotating sleeve; 7, anti-skid pattern. DETAILED DESCRIPTION

[0020] The application will be further described below in conjunction with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related utility model, and not to limit the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for ease of description. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance, in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The present application will be described in detail below with reference to the drawings and embodiments.

[0022] As shown in Figure 1 , a self-locking anti-seepage cable joint comprises: a shell 1, a locking structure 2, a sealing structure 3, and a cable 4;

[0023] As shown in Figure 2 and Figure 3 , the shell 1 comprises a half shell 101, a lead port 102, and a butt joint 103; the half shell 101 is provided with the lead port 102 at one end, and the lead port 102 is used for penetrating the cable 4; the half shell 101 is provided with the butt joint 103 at the other end;

[0024] The locking structure 2 comprises a plurality of clamping teeth 201 and a plurality of clamping grooves 202; the clamping teeth 201 and the clamping grooves 202 are uniformly arranged at the end of the butt joint 103 away from the lead port 102;

[0025] The sealing structure 3 comprises an inner sealing layer 301 and an outer sealing layer 302; the sealing structure 3 extends and protrudes away from the lead port 102 at the end close to the butt joint 103, the inner sealing layer 301 is attached to the outer surface of the cable 4, and the outer sealing layer 302 is arranged on the inner side surface of the half shell 101; the inner sealing layer 301 and the outer sealing layer 302 can slide relative to each other and form a wrinkle; the sealing structure 3 protrudes outward, so that when the two half shells 101 are butted, the two sealing structures 3 are pressed against each other to form a good seal.

[0026] The half shell 101 has two, one of the plurality of clamping teeth 201 of the half shell 101 corresponds to the plurality of clamping grooves 202 of the other half shell 101, and one of the plurality of clamping grooves 202 of the half shell 101 corresponds to the plurality of clamping teeth 201 of the other half shell 101.

[0027] After the two half shells 101 are inserted into the cable 4, they are close to each other, and one of the half shells 101 is rotated; when the plurality of clamping teeth 201 of one half shell 101 can be inserted into and abut against the plurality of clamping grooves 202 of the other half shell 101, the inner sealing layer 301 and the outer sealing layer 302 are both wrinkled, and at this time, the outer shell 1 is in a locked state of the two half shells 101 abutting against each other.

[0028] When the plurality of clamping teeth 201 of one half shell 101 exit and move away from the plurality of clamping grooves 202 of the other half shell 101, the inner sealing layer 301 and the outer sealing layer 302 are both unwrinkled, and at this time, the outer shell 1 is in an open state of the two half shells 101 moving away from each other.

[0029] When the half shell 101 rotates, the cable 4 does not rotate, the inner sealing layer 301 has friction due to being attached to the cable 4, so the inner sealing layer 301 twists and forms a wrinkle when the half shell 101 rotates, the pressure of the entire inner sealing layer 301 on the cable 4 is increased through the wrinkle, and the sealing performance is further improved.

[0030] As Figure 1 , Figure 2 and Figure 3As shown in a preferred embodiment, a plurality of pre-compression spring pieces 5 are further arranged between the outer sealing layer 302 and the inner side surface of the half shell 101, one end of the pre-compression spring piece 5 is fixed to the inner side surface of the half shell 101, and the other end of the pre-compression spring piece 5 is in abutment with the outer sealing layer 302. The pre-compression spring piece 5 can further provide pressure so that the sealing structure 3 is more closely attached to the above-mentioned cable.

[0031] As shown in a preferred embodiment, the tooth tip of the latch 201 is provided with a semicircular protrusion 2011, and the groove bottom of the latch slot 202 is provided with a semicircular groove 2021, the semicircular protrusion 2011 and the semicircular groove 2021 are matched and latched, so that the two half shells 101 are automatically locked when they are in the locked state, reducing the influence of external force to cause the unlocking of the locking structure 2. Figure 2 Figure 3 As shown in a preferred embodiment, the tooth tip of the latch 201 is provided with a semicircular protrusion 2011, and the groove bottom of the latch slot 202 is provided with a semicircular groove 2021, the semicircular protrusion 2011 and the semicircular groove 2021 are matched and latched, so that the two half shells 101 are automatically locked when they are in the locked state, reducing the influence of external force to cause the unlocking of the locking structure 2. Figure 4 As shown in a preferred embodiment, the self-locking water-proof cable joint further comprises a rotating sleeve 6, the rotating sleeve 6 is arranged outside the shell 1, the rotating sleeve 6 comprises a first rotating sleeve 601 and a second rotating sleeve 602, the first rotating sleeve 601 is arranged outside the butt joint 103 of one half shell 101, the second rotating sleeve 602 is arranged outside the butt joint 103 of the other half shell 101, and the first rotating sleeve 601 and the second rotating sleeve 602 are connected through threads. When the shell 1 is in the locked state, the rotating sleeve 6 can further provide external pressure support for the locking structure 2, forming a double locking structure to prevent the locking structure 2 from being unlocked naturally.

[0032] Figure 4 As shown in a preferred embodiment, the locking structure 2 further comprises a sealing ring 203, the sealing ring 203 is arranged on the side of the butt joint 103 away from the lead port 102, which can effectively prevent water, dust and other impurities from entering the cable joint part.

[0033] As shown in a preferred embodiment, the outer surface of the shell 1 and the outer surface of the rotating sleeve 6 are provided with anti-slip lines 7, the anti-slip lines 7 are uniformly distributed diamond grid protrusions, which provide greater friction. Figure 4 As shown in a preferred embodiment, the pre-compression spring piece 5 is a V-shaped spring piece, which has high elasticity and can provide greater elastic force within a smaller compression range, ensuring that the sealing layer is closely attached to the outer surface of the cable and effectively preventing the intrusion of water and dust.

[0034] Figure 1 As shown in a preferred embodiment, the pre-compression spring piece 5 is a V-shaped spring piece, which has high elasticity and can provide greater elastic force within a smaller compression range, ensuring that the sealing layer is closely attached to the outer surface of the cable and effectively preventing the intrusion of water and dust.

[0035] As shown in a preferred embodiment, the pre-compression spring piece 5 is a V-shaped spring piece, which has high elasticity and can provide greater elastic force within a smaller compression range, ensuring that the sealing layer is closely attached to the outer surface of the cable and effectively preventing the intrusion of water and dust. Figure 1 As shown in a preferred embodiment, the pre-compression spring piece 5 is a V-shaped spring piece, which has high elasticity and can provide greater elastic force within a smaller compression range, ensuring that the sealing layer is closely attached to the outer surface of the cable and effectively preventing the intrusion of water and dust.

[0036] ​​​The use process of the utility model is:

[0037] After two cable 4s are respectively inserted into two half shells 101, the two cable 4s are connected, after the connection is completed, the two half shells 101 are close to each other and are rotated, a plurality of clamping teeth 201 of one half shell 101 are inserted into and abut against a plurality of clamping grooves 202 of another half shell 101, the locking connection between the two half shells 101 is completed, and then the first rotating sleeve 601 and the second rotating sleeve 602 respectively sleeved on the two half shells 101 are connected.

[0038] Among them, in the rotating process, the inner sealing layer 301 and the outer sealing layer 302 can slide relative to each other, the inner sealing layer 301 is attached to the cable 4 to generate a friction force, thereby the inner sealing layer 301 forms a wrinkle, the pressure of the entire inner sealing layer 301 on the cable 4 is increased through the wrinkle, and in addition to the force applied by the pre-pressing spring piece 5, the intrusion of moisture and dust can be effectively prevented, and good sealing performance is ensured.

[0039] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only for illustrating the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed for protection. The protection scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A self-locking watertight cable joint, characterized in that, The utility model relates to a self-locking anti-seepage water cable joint, including: The shell (1) includes half shell (101), lead port (102), the butt joint mouth (103), the half shell (101) one end sets up lead port (102), lead port (102) is used for going in and going out the cable (4), the half shell (101) other end sets up the butt joint mouth (103), The locking structure (2) includes a plurality of clamping teeth (201) and a plurality of clamping grooves (202), the clamping teeth (201) and the clamping grooves (202) are evenly arranged on the end of the butt joint mouth (103) away from the lead port (102), The sealing structure (3) includes inner sealing layer (301) and outer sealing layer (302), the sealing structure (3) is close to the end of the butt joint mouth (103) and extends in the direction away from the lead port (102) and protrudes, the inner sealing layer (301) is attached to the outer surface of the cable (4), the outer sealing layer (302) is arranged on the inner side surface of the half shell (101), the inner sealing layer (301) and the outer sealing layer (302) can slide relative to each other and form a wrinkle, The half shell (101) has two, a plurality of clamping teeth (201) of one half shell (101) one-to-one corresponds to a plurality of clamping grooves (202) of the other half shell (101), and a plurality of clamping grooves (202) of one half shell (101) one-to-one corresponds to a plurality of clamping teeth (201) of the other half shell (101).

2. The self-locking anti-seepage water cable joint according to claim 1, wherein After the two half shells (101) are inserted into the cable (4), the two half shells (101) are close to each other, one of the half shells (101) is rotated, when a plurality of clamping teeth (201) of one half shell (101) can be inserted into and abut against a plurality of clamping grooves (202) of the other half shell (101), the inner sealing layer (301) and the outer sealing layer (302) are both wrinkled, at this time, the shell (1) is in a locked state in which the two half shells (101) abut against each other, when a plurality of clamping teeth (201) of one half shell (101) are withdrawn from and away from a plurality of clamping grooves (202) of the other half shell (101), the inner sealing layer (301) and the outer sealing layer (302) are both unwrinkled, at this time, the shell (1) is in an open state in which the two half shells (101) are away from each other.

3. The self-locking anti-seepage water cable joint according to claim 1, wherein The outer sealing layer (302) and the inner side surface of the half shell (101) are further provided with a plurality of pre-pressing spring sheets (5), one end of the pre-pressing spring sheet (5) is fixed to the inner side surface of the half shell (101), and the other end of the pre-pressing spring sheet (5) abuts against the outer sealing layer (302).

4. The self-locking anti-seepage water cable joint according to claim 1, wherein ​ The tooth tip of the tooth (201) is provided with a semicircular protrusion (2011), and the groove bottom of the clamping groove (202) is provided with a semicircular groove (2021), and the semicircular protrusion (2011) can be matched with the semicircular groove (2021) to be clamped.

5. A self-locking water-tight cable splice according to claim 1, wherein, The rotating sleeve (6) is provided; The rotating sleeve (6) is provided; 6. The self-locking water-proof cable joint according to claim 1, wherein The locking structure (2) further comprises a sealing ring (203), which is arranged on the side of the butt joint (103) away from the lead port (102).

7. The self-locking water-proof cable joint according to claim 5, wherein The outer surface of the shell (1) and the outer surface of the rotating sleeve (6) are provided with anti-skid lines (7), which are uniformly distributed in the form of diamond grid protrusions.

8. The self-locking water-proof cable joint according to claim 3, wherein The pre-pressing spring piece (5) is a V-shaped spring piece.

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