Anti-loose structure of microwave coaxial cable joint

Abstract

The utility model relates to the technical field of cable joints, and provides a microwave coaxial cable joint anti-loosening structure which comprises a socket, a radio frequency joint and a cable, the end portion of the socket is provided with a slot, the slot is provided with the radio frequency joint, the rear end of the radio frequency joint is provided with the cable, and the rear end of the radio frequency joint is provided with an anti-loosening assembly. The anti-loosening assembly comprises a square block arranged at the rear end of the radio frequency connector, a fixing sleeve is sleeved outside the square block, a sleeve groove is arranged inside the fixing sleeve, the square block is sleeved outside the fixing sleeve through the inner sleeve groove of the fixing sleeve, physical limit is formed on the square block, the square block is fixedly connected with the radio frequency connector, and the anti-loosening assembly is arranged at the rear end of the radio frequency connector. Therefore, the rotation of the radio frequency connector is indirectly limited. The multi-stage limiting structure can effectively prevent the radio frequency connector from rotating due to factors such as vibration and external force touch in long-term use, avoids the problem of microwave transmission failure caused by looseness of the joint connecting position, and ensures the continuity and stability of microwave signal transmission.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable joint technical field especially relates to a microwave coaxial cable joint anti loosening structure. BACKGROUND

[0002] In the microwave signal transmission field, as the core component of signal connection, the connection stability and service life of microwave coaxial cable joint directly determine the overall performance of the microwave transmission system. However, in the actual application, the existing microwave coaxial cable joint still has some problems:

[0003] The connection of the existing microwave coaxial cable joint and socket mostly depends on single plug-in or simple threaded fixing structure. In the long-term use process, affected by factors such as equipment vibration, external environment touch and cable pulling, the radio frequency joint is easy to rotate and deviate, resulting in the gap or looseness of the connection between the joint and the socket. This looseness will directly damage the stable transmission path of the microwave signal, cause signal attenuation, interruption or even transmission failure, and seriously affect the normal operation of the system relying on microwave transmission such as radar and communication equipment. SUMMARY

[0004] The utility model discloses a microwave coaxial cable joint anti loosening structure, adopt this device to work to solve above -mentioned problem.

[0005] In order to solve the above technical problem, the utility model provides the following technical scheme: a microwave coaxial cable joint anti loosening structure, including socket, radio frequency joint and cable, the end of socket is provided with the slot, is installed with radio frequency joint on the slot, the rear end of radio frequency joint is provided with cable, the rear end of radio frequency joint is provided with anti loosening assembly.

[0006] Preferably, the anti loosening assembly includes a square block provided at the rear end of the radio frequency joint, a fixing sleeve is sleeved outside the square block, a sleeve slot is formed in the inside of the fixing sleeve, a plug hole one is formed around the sleeve slot, a screw hole one is formed around the slot, the positions of the plug hole one and the screw hole one correspond to each other, a screw one is arranged in the inside of the plug hole one, and one end of the screw one is screwed into the screw hole one.

[0007] Preferably, an arc-shaped groove is arranged at each corner of the sleeve slot, the sleeve slot is matched with the square block in size, and the fixing sleeve can be sleeved outside the square block through the sleeve slot.

[0008] Preferably, an external thread is arranged on the outside of the screw one, an internal thread is arranged in the inside of the screw hole one, and the screw one is screw-connected with the screw hole one.

[0009] Preferably, a connecting sleeve is fixed to the front end of the square block, a connecting hole is formed in the rear end of the radio frequency joint, the connecting sleeve is screw-connected with the connecting hole, the connecting sleeve can be screwed into the connecting hole, and the square block and the connecting sleeve are both sleeved outside the cable.

[0010] Preferably, the rear end of the square block is provided with a pressing block, a through slot is formed in the interior of the pressing block, a rubber sheath is arranged in the through slot, a fixed rubber seat is fixed to the front end of the rubber sheath, the fixed rubber seat is arranged in the mounting slot, the mounting slot is formed in the rear end of the square block, screw holes two are formed at the four corners of the square block, insertion holes two are formed at the four corners of the pressing block, screw two are inserted into the insertion holes two, and the screw two are screwed with the screw holes two.

[0011] Preferably, the fixed rubber seat and the rubber sheath are sleeved on the outside of the cable, the size of the rubber sheath matches the size of the through slot, the size of the fixed rubber seat matches the size of the mounting slot, and the size of the through slot is smaller than the size of the mounting slot.

[0012] Compared with the prior art, the microwave coaxial cable joint anti-loose structure has the following beneficial effects:

[0013] 1. The microwave coaxial cable joint anti-loose structure is characterized in that the inner sleeve groove of the fixing sleeve is sleeved on the outside of the square block, the square block is physically limited, the square block is fixedly connected with the radio frequency connector, and the rotation of the radio frequency connector is indirectly limited. The multi-stage limiting structure can effectively prevent the radio frequency connector from rotating due to vibration, external force touch and other factors in long-term use, avoids the microwave transmission failure problem caused by loose connection of the joint, and ensures the continuity and stability of microwave signal transmission.

[0014] 2. The microwave coaxial cable joint anti-loose structure is characterized in that the arc-shaped grooves arranged at the four corners of the square block in the inner sleeve groove of the fixing sleeve have clear chip removal function. In the process of structure installation or long-term use, the arc-shaped grooves can timely dredge the generated chips, prevent the chips from accumulating in the gap between the components, avoid affecting the cooperation precision of the fixing sleeve and the square block due to the chips, ensure the structural stability of the assembled components, and further reduce the transmission failure risk caused by cooperation deviation.

[0015] 3. The microwave coaxial cable joint anti-loose structure is characterized in that the rubber sheath comprehensively protects the connection between the cable and the radio frequency connector, and can effectively resist the external impact of the radio frequency connector caused by bending in long-term use. The problem that the external protective layer of the cable is easily damaged due to bending stress in the traditional structure is avoided, the connection integrity of the cable and the connector is protected from the source, and a stable physical basis is provided for microwave signal transmission. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an overall structure split drawing of the utility model;

[0017] Figure 2 It is an overall structure schematic view of the utility model;

[0018] Figure 3 Partial structural breakdown of this utility model Figure 1 ;

[0019] Figure 4 Partial structural breakdown of this utility model Figure 2 ;

[0020] Figure 5 Partial structural breakdown of this utility model Figure 3 .

[0021] The following are the annotations in the diagram: 1. Socket; 11. Slot; 2. RF connector; 21. Connecting hole; 22. Connecting sleeve; 3. Cable; 4. Square block; 41. Fixing sleeve; 42. Sleeve groove; 43. Arc groove; 44. Socket one; 45. Screw one; 46. Screw hole one; 5. Pressure block; 51. Rubber sheath; 52. Mounting groove; 53. Screw hole two; 54. Socket two; 55. Screw two; 56. Fixing rubber seat; 57. Through groove. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] To further understand the content of this utility model, a detailed description of this utility model will be provided in conjunction with the accompanying drawings.

[0024] Combination Figures 1 to 5 As shown, the present invention provides a microwave coaxial cable connector anti-loosening structure, including a socket 1, an RF connector 2 and a cable 3. The end of the socket 1 is provided with a slot 11, the RF connector 2 is installed on the slot 11, the rear end of the RF connector 2 is provided with the cable 3, and the rear end of the RF connector 2 is provided with an anti-loosening component.

[0025] The anti-loosening component includes a square block 4 located at the rear end of the RF connector 2. A fixing sleeve 41 is fitted around the square block 4. A groove 42 is opened inside the fixing sleeve 41. Insertion holes 44 are opened around the groove 42. Screw holes 46 are opened around the slot 11. The screw holes 46 are positioned corresponding to the insertion holes 44. A screw 45 is installed inside the insertion hole 44. One end of the screw 45 is screwed into the screw hole 46.

[0026] The four corners of the sleeve groove 42 are provided with arc-shaped grooves 43. The sleeve groove 42 matches the size of the square block 4, and the fixing sleeve 41 can be fitted onto the outside of the square block 4 through the sleeve groove 42.

[0027] The screw one 45 is externally provided with external threads, and the screw hole one 46 is internally provided with internal threads, and the screw one 45 is threadedly connected with the screw hole one 46.

[0028] The front end of the square block 4 is fixedly provided with a connecting sleeve 22, the rear end of the radio frequency connector 2 is provided with a connecting hole 21, the connecting sleeve 22 is threadedly connected with the connecting hole 21, and the connecting sleeve 22 can be screwed into the connecting hole 21, and the square block 4 and the connecting sleeve 22 are both sleeved outside the cable 3.

[0029] The rear end of the square block 4 is provided with a pressing block 5, the inside of the pressing block 5 is provided with a through slot 57, the inside of the through slot 57 is provided with a rubber sheath 51, the front end of the rubber sheath 51 is fixedly provided with a fixed rubber seat 56, the fixed rubber seat 56 is arranged in a mounting slot 52, the mounting slot 52 is provided at the rear end of the square block 4, four corners of the square block 4 are provided with screw holes two 53, four corners of the pressing block 5 are provided with insertion holes two 54, the insertion holes two 54 are internally inserted with screws two 55, the screws two 55 are threadedly connected with the screw holes two 53, and the screws two 55 can be screwed into the screw holes two 53.

[0030] The fixed rubber seat 56 and the rubber sheath 51 are sleeved outside the cable 3, the rubber sheath 51 is matched with the through slot 57 in size, the fixed rubber seat 56 is matched with the mounting slot 52 in size, and the size of the through slot 57 is smaller than that of the mounting slot 52.

[0031] Specifically,

[0032] The square block 4 and the connecting sleeve 22 are sequentially sleeved outside the cable 3, then the connecting sleeve 22 is screwed into the connecting hole 21 at the rear end of the radio frequency connector 2, and the fixing of the square block 4 at the rear end of the radio frequency connector 2 is completed.

[0033] The rubber sheath 51 is sleeved at the rear end of the square block 4, so that the rubber sheath 51 is sleeved outside the cable 3, and the fixed rubber seat 56 at the end of the rubber sheath 51 is embedded into the mounting slot 52 of the square block 4.

[0034] The pressing block 5 is sleeved outside the rubber sheath 51 through the through slot 57 of the pressing block 5, so that the pressing block 5 is completely pressed on the fixed rubber seat 56, four groups of the insertion holes two 54 of the pressing block 5 are aligned with the screw holes two 53 of the square block 4, the screws two 55 are inserted into the insertion holes two 54 and screwed into the screw holes two 53, the fixing of the pressing block 5 and the square block 4 is completed, and the rubber sheath 51 is stably sleeved outside the cable 3.

[0035] The radio frequency connector 2 is aligned with the insertion slot 11 of the socket 1 and inserted into the insertion slot 11, so that the preliminary installation of the radio frequency connector 2 on the socket 1 is realized.

[0036] The fixed sleeve 41 is sleeved through the internal sleeve groove 42, the pressing block 5 and the square block 4 in sequence, until the front end of the fixed sleeve 41 is completely attached to the end of the socket 1; meanwhile, the insertion hole 44 in the fixed sleeve 41 is aligned with the screw hole 46 around the insertion slot 11 of the socket 1;

[0037] The screw 45 is inserted into the insertion hole 44 and screwed into the screw hole 46, the fixation of the fixed sleeve 41 on the socket 1 is completed, at this time, the fixed sleeve 41 is sleeved on the outside of the square block 4 and is position-locked.

[0038] The rubber sheath 51 can wrap and protect the connection between the cable 3 and the radio frequency connector 2. The external protective layer of the cable 3 is prevented from being damaged or broken due to external force caused by bending during long-term use of the radio frequency connector 2, and the service life of the connection between the cable 3 and the connector is prolonged.

[0039] The fixed sleeve 41 can limit the rotation of the radio frequency connector 2 to prevent the connection from loosening. The fixed sleeve 41 is sleeved on the outside of the square block 4 through the internal sleeve groove 42, and forms physical limitation on the square block 4; since the square block 4 is fixedly connected with the radio frequency connector 2, the rotation of the radio frequency connector 2 is indirectly limited, so that the microwave transmission is prevented from being invalid due to the rotation of the connector during long-term use.

[0040] The arc-shaped groove 43 is located in the internal sleeve groove 42 of the fixed sleeve 41 and corresponds to the four corners of the square block 4. The arc-shaped groove 43 plays a role of chip removal, so that the fitting precision of components is prevented from being affected by the accumulation of debris generated during installation or use.

[0041] It should be noted that, in the present text, relational terms such as first and second are used merely to distinguish one entity or action from another, without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article, or device.

[0042] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A microwave coaxial cable joint anti-loosening structure comprising a socket (1), a radio frequency joint (2) and a cable (3), characterized in that: The end of the socket (1) is provided with a slot (11), a radio frequency connector (2) is installed on the slot (11), a cable (3) is arranged at the rear end of the radio frequency connector (2), and an anti-loosening assembly is arranged at the rear end of the radio frequency connector (2).

2. The anti-loose structure of a microwave coaxial cable joint according to claim 1, characterized in that: The anti-loosening assembly comprises a square block (4) arranged at the rear end of the radio frequency connector (2), a fixing sleeve (41) is sleeved on the outside of the square block (4), a sleeve slot (42) is formed in the inside of the fixing sleeve (41), a first insertion hole (44) is formed around the sleeve slot (42), a first screw hole (46) is formed around the slot (11), the first screw hole (46) is opposite to the first insertion hole (44), a first screw (45) is arranged in the first insertion hole (44), and one end of the first screw (45) is screwed into the first screw hole (46).

3. The anti-loose structure of a microwave coaxial cable joint according to claim 2, characterized in that: Arc-shaped grooves (43) are arranged at the four corners of the sleeve slot (42), the sleeve slot (42) is matched with the square block (4) in size, and the fixing sleeve (41) can be sleeved on the outside of the square block (4) through the sleeve slot (42).

4. The anti-loose structure of a microwave coaxial cable joint according to claim 2, characterized in that: An external thread is arranged on the outside of the first screw (45), an internal thread is arranged in the first screw hole (46), and the first screw (45) is screwed with the first screw hole (46).

5. The anti-loose structure of a microwave coaxial cable joint according to claim 2, characterized in that: A connecting sleeve (22) is fixed at the front end of the square block (4), a connecting hole (21) is formed at the rear end of the radio frequency connector (2), the connecting sleeve (22) is screwed with the connecting hole (21), and the connecting sleeve (22) can be screwed into the connecting hole (21), and the square block (4) and the connecting sleeve (22) are both sleeved on the outside of the cable (3).

6. The anti-loose structure of a microwave coaxial cable joint according to claim 2, characterized in that: A pressing block (5) is arranged at the rear end of the square block (4), a through slot (57) is formed in the inside of the pressing block (5), a rubber sheath (51) is arranged in the through slot (57), a fixed rubber seat (56) is fixed at the front end of the rubber sheath (51), the fixed rubber seat (56) is arranged in a mounting slot (52), the mounting slot (52) is formed at the rear end of the square block (4), a second screw hole (53) is formed at the four corners of the square block (4), a second insertion hole (54) is formed at the four corners of the pressing block (5), a second screw (55) is inserted into the second insertion hole (54), the second screw (55) is screwed with the second screw hole (53), and the second screw (55) can be screwed into the second screw hole (53).

7. The anti-loose structure of a microwave coaxial cable joint according to claim 6, characterized in that: The fixed rubber seat (56) and the rubber sheath (51) are sleeved on the outside of the cable (3), the rubber sheath (51) is matched with the through slot (57) in size, the fixed rubber seat (56) is matched with the mounting slot (52) in size, and the size of the through slot (57) is smaller than that of the mounting slot (52).

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