Quick connection coaxial cable with good shielding effect

Abstract

The utility model discloses a quick-connection coaxial cable with a good shielding effect, which comprises coaxial cable bodies, insulating tapes wrapped at the joint of the coaxial cable bodies on the left and right sides, a lower fixing cover arranged at the lower end of the joint of the coaxial cable bodies, and an upper fixing cover arranged at the upper end of the joint of the coaxial cable bodies, the coaxial cable body is formed by combining a coaxial cable core, a metal shielding net, a fibrilia layer, a glass fiber tape, a nylon fiber tape and an insulating sheath, and the fixing nuts are in threaded connection with the upper end and the lower end of the fixing rod. The fast connection coaxial cable with the good shielding effect is good in shielding effect, the overall tensile effect of the cable can be improved by combining the mutual weaving between the glass fiber tape and the nylon fiber tape, the lower fixing cover and the upper fixing cover are clamped at the upper end and the lower end of the cable respectively, a good protection effect is achieved at the joint, and the overall sealing effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field related to coaxial cables, in particular to a quick-connect coaxial cable with good shielding effect. Background Art

[0002] Cable refers to a kind of power or signal transmission equipment composed of several or several groups of wires. Cables can connect devices, transmit power, signals and realize electromagnetic conversion. They are widely used in the fields of energy and communication. Coaxial cable is a kind of cable.

[0003] For example, the authorization announcement number CN209029159U, the authorization announcement date is 2019.06.25, and a coaxial cable is disclosed. The utility model discloses a coaxial cable, which is equipped with multiple groups of coaxial core cables, has a high degree of integration, and can be used for multiple groups of different signal transmissions at the same time. Moreover, the graphene layer provided outside the inner conductor and the shielding layer can effectively isolate the signal interference between the inner conductor and the shielding layer of the same group of core cables, and between different core cables, thereby reducing the attenuation and loss of the transmission signal. At the same time, the central rope made of aramid and polyethylene can increase the tensile resistance of the coaxial cable. According to the requirements of the cable installation environment, coaxial cables with different functional layers are selected to achieve waterproof, flame retardant or insect repellent;

[0004] However, the existing technology has the problem that the shielding effect of the cable is poor, the overall tensile resistance and wear resistance are not good, which affects the service life of the cable, and the joints of the cable are mostly fixed by winding with sealing tape, which has poor sealing performance, poor protection effect on the joints, and even affects the stability of the joints. For example, the comparative patents listed above have this problem;

[0005] Therefore, we propose a quick-connect coaxial cable with good shielding effect to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a quick-connect coaxial cable with good shielding effect, so as to solve the problems in the prior art proposed in the above background technology that the cable shielding effect is poor, the overall tensile resistance and wear resistance are poor, which affects the service life of the cable, and the joints of the cable are mostly only fixed by wrapping with sealing tape, which has poor sealing performance, poor protection effect on the joints, and even affects the stability of the joints.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quick-connect coaxial cable with good shielding effect, comprising a coaxial cable body, an insulating tape wrapped around the butt joints between the coaxial cable bodies on the left and right sides, a lower fixing cover arranged at the lower end of the butt joints between the coaxial cable bodies, and an upper fixing cover arranged at the upper end of the butt joints between the coaxial cable bodies;

[0008] Also includes:

[0009] A coaxial cable body, wherein the coaxial cable body is composed of a coaxial cable core, a metal shielding mesh, a hemp fiber layer, a glass fiber tape, a nylon fiber tape and an insulating sheath;

[0010] A fixing nut, wherein the fixing nut is threadedly connected to the upper and lower ends of the fixing rod, and the fixing nut is combined with the fixing rod to drive the lower fixing cover and the upper fixing cover to form a disassembly structure, and the inner sides of the lower fixing cover and the upper fixing cover are both provided with a second sealing gasket;

[0011] Wherein, the fixing nut is respectively arranged to fit between the lower fixing block and the upper fixing block.

[0012] Preferably, a metal shielding mesh is arranged on the outer side of the coaxial cable core, and a hemp fiber layer is filled between the coaxial cable core and the metal shielding mesh.

[0013] Preferably, the glass fiber tape and the nylon fiber tape are woven together, and the outer side of the glass fiber tape is wrapped with an insulating sheath.

[0014] Preferably, both front and rear sides of the lower end of the upper fixed cover are fixedly connected with protrusions, and the upper fixed cover drives the protrusions to be inserted into the fixing holes, and the fixing holes are opened at the upper end of the lower fixed cover.

[0015] Preferably, a first sealing gasket is tightly fitted between the lower fixed cover and the upper fixed cover, and the lower fixed cover and the upper fixed cover are respectively clamped at the upper and lower ends of the coaxial cable body, and a second sealing gasket is fitted between the lower fixed cover and the coaxial cable body and between the upper fixed cover and the coaxial cable body.

[0016] Preferably, the lower end of the fixing rod passes through the middle of the lower fixing block, and the upper end of the fixing rod passes through the middle of the upper fixing block, the lower fixing block is fixedly connected to the upper end of the lower fixing cover, and the upper fixing block is fixed to the lower end of the upper fixing cover.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the quick-connect coaxial cable with good shielding effect is provided on the outside of the coaxial cable core by the metal shielding net, so as to improve the shielding effect of the whole cable, and the glass fiber tape and the nylon fiber tape are mutually woven, so as to improve the overall tensile strength and effect of the cable, and extend the service life of the cable, and the lower fixed cover and the upper fixed cover are respectively clamped at the upper and lower ends of the cable, so as to play a good protective role on the joint, and the first sealing pad and the second sealing pad are provided to improve the sealing effect of the joint, so that the waterproof property of the cable joint is further improved;

[0018] 1. Equipped with metal shielding net, glass fiber belt and nylon fiber belt. The metal shielding net can improve the shielding effect of the cable and prevent interference. The glass fiber belt and nylon fiber belt are woven together to improve the tensile and wear resistance of the cable.

[0019] 2. A lower fixed cover and an upper fixed cover are provided, which are clamped at the upper and lower ends of the coaxial cable body respectively, so as to facilitate the protection of the cable joint and improve the stability of the cable joint;

[0020] 3. A first sealing gasket, a second sealing gasket, a fixing rod and a fixing nut are provided. The cable joint is sealed by the setting of the first sealing gasket and the second sealing gasket, which can achieve a good waterproof effect. Combined with the setting of the fixing rod and the fixing nut, it is convenient to install and position the lower fixing cover and the upper fixing cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the cross-sectional structure of the coaxial cable core, metal shielding mesh, hemp fiber layer, glass fiber tape, nylon fiber tape and insulating outer sheath connected to the utility model;

[0023] Figure 3 This is a schematic diagram of the explosion structure of the coaxial cable body, the lower fixing cover and the upper fixing cover connected to the utility model;

[0024] Figure 4 This is a bottom view of the structure of the upper fixed cover, the protrusion and the second sealing gasket connected to the utility model;

[0025] Figure 5 This is a schematic diagram of the front view structure of the connection between the lower fixing cover, the fixing hole and the second sealing gasket of the utility model;

[0026] Figure 6 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0027] Figure 7 The utility model is a schematic diagram of the explosion structure of the lower fixing block, the upper fixing block, the fixing rod and the fixing nut connected.

[0028] In the figure: 1. coaxial cable body; 101. coaxial cable core; 102. metal shielding mesh; 103. hemp fiber layer; 104. glass fiber tape; 105. nylon fiber tape; 106. insulating outer skin; 2. insulating tape; 3. lower fixing cover; 4. upper fixing cover; 5. bump; 6. fixing hole; 7. first sealing gasket; 8. second sealing gasket; 9. lower fixing block; 10. upper fixing block; 11. fixing rod; 12. fixing nut. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-7 The utility model provides a technical solution: a quick-connect coaxial cable with good shielding effect, including a coaxial cable body 1, an insulating tape 2, a lower fixing cover 3, an upper fixing cover 4, a protrusion 5, a fixing hole 6, a first sealing gasket 7, a second sealing gasket 8, a lower fixing block 9, an upper fixing block 10, a fixing rod 11 and a fixing nut 12.

[0031] When using this shielded quick-connect coaxial cable, such as Figure 1 and Figure 2 As shown, the coaxial cable body 1 is composed of a coaxial cable core 101, a metal shielding mesh 102, a hemp fiber layer 103, a glass fiber tape 104, a nylon fiber tape 105 and an insulating sheath 106. The hemp fiber layer 103 is filled between the coaxial cable core 101 and the metal shielding mesh 102. The metal shielding mesh 102 is provided to provide a good shielding effect to prevent interference. The glass fiber tape 104 and the nylon fiber tape 105 are woven together, and the outer side of the glass fiber tape 104 is wrapped with, and the actual tensile and wear resistance of the cable is greatly improved by the provision of the glass fiber tape 104, the nylon fiber tape 105 and the insulating sheath 106, and the service life of the cable is extended.

[0032] Combination Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7As shown, the joints of the coaxial cable bodies 1 on the left and right sides and the coaxial cable bodies 1 are wrapped with insulating tape 2. At the same time, after docking and wrapping with the insulating tape 2, the lower fixed cover 3 and the upper fixed cover 4 are clamped at the upper and lower ends of the joint of the coaxial cable body 1 respectively, and the lower end of the upper fixed cover 4 is fixedly connected with a protrusion 5, and the protrusion 5 and the fixing hole 6 are arranged one by one. The upper fixed cover 4 drives the protrusion 5 to be inserted into the fixing hole 6 at the upper end of the lower fixed cover 3, which is convenient for positioning the lower fixed cover 3 and the upper fixed cover 4. At the same time, the front and rear ends of the upper end of the lower fixed cover 3 are provided A first sealing gasket 7 is provided, and the first sealing gasket 7 is arranged on the front and rear sides of the lower end of the upper fixed cover 4. After the lower fixed cover 3 and the upper fixed cover 4 clamp the coaxial cable body 1, the first sealing gasket 7 is tightly fitted between the lower fixed cover 3 and the upper fixed cover 4, and the inner sides of the left and right ends of the lower fixed cover 3 and the upper fixed cover 4 are both provided with second sealing gaskets 8. The lower fixed cover 3 and the upper fixed cover 4 respectively drive the second sealing gasket 8 to fit the outer side of the coaxial cable body 1. Through the arrangement of the first sealing gasket 7 and the second sealing gasket 8, the joint can be well sealed and waterproofed.

[0033] At the same time, the upper end of the lower fixed cover 3 is fixedly connected with the lower fixed block 9, and the upper fixed block 10 is fixedly connected to the lower end of the upper fixed cover 4. The fixing rod 11 is respectively inserted into the middle of the lower fixed block 9 and the upper fixed block 10, and then the fixing nuts 12 connected to the upper and lower ends of the fixing rod 11 are rotated. The fixing nuts 12 are respectively fitted between the lower fixed block 9 and the upper fixed block 10, so as to facilitate the positioning and locking between the lower fixed cover 3 and the upper fixed cover 4, and fix the lower fixed cover 3 and the upper fixed cover 4 at the joints of the coaxial cable body 1 and the coaxial cable body 1 at the left and right ends to improve the stability of the connection at the joints.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quick-connect coaxial cable with good shielding effect, comprising a coaxial cable body (1), an insulating tape (2) wrapped around the joints between the coaxial cable bodies (1) on the left and right sides, a lower fixing cover (3) arranged at the lower end of the joints between the coaxial cable bodies (1), and an upper fixing cover (4) arranged at the upper end of the joints between the coaxial cable bodies (1); It is characterized in that Also includes: A coaxial cable body (1), the coaxial cable body (1) being composed of a coaxial cable core (101), a metal shielding mesh (102), a hemp fiber layer (103), a glass fiber tape (104), a nylon fiber tape (105) and an insulating outer sheath (106); A fixing nut (12), wherein the fixing nut (12) is threadedly connected to the upper and lower ends of the fixing rod (11), and the fixing nut (12) is combined with the fixing rod (11) to drive the lower fixing cover (3) and the upper fixing cover (4) to form a disassembly structure, and a second sealing gasket (8) is provided on the inner side of the lower fixing cover (3) and the upper fixing cover (4); The fixing nut (12) is respectively arranged to fit the lower fixing block (9) and the upper fixing block (10).

2. A quick-connect coaxial cable with good shielding effect according to claim 1, characterized in that: A metal shielding net (102) is arranged outside the coaxial cable core (101), and a hemp fiber layer (103) is filled between the coaxial cable core (101) and the metal shielding net (102).

3. A quick-connect coaxial cable with good shielding effect according to claim 1, characterized in that: The glass fiber tape (104) and the nylon fiber tape (105) are woven together, and the outer side of the glass fiber tape (104) is wrapped with an insulating outer sheath (106).

4. A quick-connect coaxial cable with good shielding effect according to claim 1, characterized in that: The front and rear sides of the lower end of the upper fixed cover (4) are fixedly connected with protrusions (5), and the upper fixed cover (4) drives the protrusions (5) to be inserted into the fixing holes (6), and the fixing holes (6) are opened at the upper end of the lower fixed cover (3).

5. A quick-connect coaxial cable with good shielding effect according to claim 1, characterized in that: A first sealing gasket (7) is tightly fitted between the lower fixed cover (3) and the upper fixed cover (4), and the lower fixed cover (3) and the upper fixed cover (4) are respectively clamped at the upper and lower ends of the coaxial cable body (1), and a second sealing gasket (8) is fitted between the lower fixed cover (3) and the coaxial cable body (1) and between the upper fixed cover (4) and the coaxial cable body (1).

6. A quick-connect coaxial cable with good shielding effect according to claim 1, characterized in that: The lower end of the fixing rod (11) passes through the middle of the lower fixing block (9), and the upper end of the fixing rod (11) passes through the middle of the upper fixing block (10); the lower fixing block (9) is fixedly connected to the upper end of the lower fixing cover (3), and the upper fixing block (10) is fixed to the lower end of the upper fixing cover (4).

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