Dustproof radio frequency coaxial connector

Abstract

The utility model discloses a dustproof radio frequency coaxial connector, which comprises a connecting lead, the end of the connecting lead is fixedly connected with a connector main body, the outer end of the connector main body is provided with an inner fixing sleeve, a fixing core is fixed in the inner fixing sleeve, an inner conductor is fixed in the fixing core, and an outer conductor is fixed in the inner conductor. The outer end of the inner conductor is connected with an outer conductor connector, and the outer side of the outer conductor connector is connected with a sealing assembly used for sealing the end opening of the inner fixing sleeve. The radio frequency coaxial connector is provided with the sealing pad, the movable connecting sleeve is arranged on the inner fixing sleeve, and the sealing pad can be propped to contract through position movement of the movable connecting sleeve, so that the sealing pad can be in a folded state to seal an opening in the front end of the inner fixing sleeve; therefore, when the radio frequency coaxial connector is not used, the radio frequency coaxial connector is in a sealed state, so that external dust is effectively prevented from entering the radio frequency coaxial connector, and the safe use of the radio frequency coaxial connector is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to radio frequency coaxial connector technical field, concretely is dustproof radio frequency coaxial connector. BACKGROUND

[0002] Radio frequency coaxial connector is generally considered as a kind of element being attached on cable or installed on instrument, as the element related to transmission line electrical connection or separation, belongs to mechatronic product, mainly plays the role of bridge.

[0003] The structure of radio frequency coaxial connector on the market is usually fixed, and the front end connecting port is usually in open state for a long time, which can easily cause dust accumulation at the connecting port of radio frequency coaxial connector, affecting the subsequent transmission line connection work, so the dustproof radio frequency coaxial connector is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing dustproof radio frequency coaxial connector to solve the problem of dust accumulation at the connecting port of radio frequency coaxial connector on the market.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: dustproof radio frequency coaxial connector, including connecting wire, the end of connecting wire is fixedly connected with connector main body, the outer end of connector main body is provided with inner fixed sleeve, the inner fixed sleeve is fixedly provided with fixed core, the fixed core is fixedly provided with inner conductor, the outer end of inner conductor is connected with outer conductor connector head, the outer side of outer conductor connector head is connected with sealing assembly for closing the end opening of inner fixed sleeve, the sealing assembly is installed in the inner end of inner fixed sleeve, the outer side of inner fixed sleeve is provided with telescopic assembly for adjusting the working position of sealing assembly.

[0006] Preferably, the sealing assembly includes a sealing pad, a spring piece, and a connecting ring, the connecting ring is threadedly connected to the inner end of the inner fixed sleeve, the spring piece is centrally symmetrically provided with six on the connecting ring, and each spring piece is fixedly provided with a sealing pad.

[0007] Preferably, the spring piece and the connecting ring are integrally arranged, the spring piece and the connecting ring are made of stainless steel, the sealing pad is made of rubber, and the six sealing pads are combined together in a cylindrical shape with an outer diameter equal to the inner diameter of the inner fixed sleeve.

[0008] Preferably, the telescopic assembly includes a movable connecting sleeve and a spring, the outer side of the inner fixed sleeve is sleeved with the movable connecting sleeve and the spring, the both ends of the spring are fixedly connected with the movable connecting sleeve and the connector main body, and the movable connecting sleeve constitutes a movable structure on the outer side of the inner fixed sleeve through the spring.

[0009] Preferably, an inner sleeve is arranged outside the inner fixing sleeve, the inner sleeve is fixed on the connector body, an outer sleeve is fixed on the movable connecting sleeve, the outer sleeve is located outside the inner sleeve, the inner diameter of the outer sleeve is equal to the outer diameter of the inner sleeve, and the outer sleeve and the inner sleeve are located outside the spring.

[0010] Preferably, a convex structure is arranged outside the movable connecting sleeve, and the inner diameter of the movable connecting sleeve is equal to the outer diameter of the inner fixing sleeve.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] (1) The radio frequency coaxial connector is provided with a sealing pad, the movable connecting sleeve is arranged on the inner fixing sleeve, the sealing pad can be retracted by moving the position of the movable connecting sleeve, the sealing pad can be in a retracted state, the opening at the front end of the inner fixing sleeve is closed, the radio frequency coaxial connector can be in a closed state when not in use, dust in the outside world is effectively prevented from entering the radio frequency coaxial connector, and safe use of the radio frequency coaxial connector is ensured.

[0013] (2) The radio frequency coaxial connector is provided with a spring on the sealing pad, the sealing pad can be opened by the spring, the adverse effects of the sealing pad are avoided, the connection work of the radio frequency coaxial connector is facilitated, the movable connecting sleeve is moved to press the sealing pad, the connection between the sealing pad and the outer conductor connector is pressed and fixed, the connection state of the radio frequency coaxial connector is reinforced, and connection stability is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a sealing state schematic view of the utility model;

[0015] Figure 2 It is an opening state schematic view of the utility model;

[0016] Figure 3 It is a sealing state cross-sectional structure schematic view of the utility model;

[0017] Figure 4 It is an opening state cross-sectional structure schematic view of the utility model;

[0018] Figure 5 It is a sealing pad closed cross-sectional structure schematic view of the utility model;

[0019] Figure 6 It is a sealing pad opened cross-sectional structure schematic view of the utility model;

[0020] Figure 7 It is a connection cross-sectional structure schematic view of the utility model.

[0021] In the figure: 1, connecting wire; 2, connector main body; 3, inner bushing; 4, outer bushing; 5, movable connecting sleeve; 6, sealing pad; 7, elastic sheet; 8, connecting ring; 9, inner fixing sleeve; 10, spring; 11, outer conductor connector; 12, fixed core; 13, inner conductor. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-7 The utility model provides technical scheme: dustproof radio frequency coaxial connector, connecting wire 1 is connected with the connector main body 2 at the end of connecting wire 1, the outer end of connector main body 2 is provided with inner fixed sleeve 9, and fixed core 12 is fixed in inner fixed sleeve 9, and inner conductor 13 is fixed in fixed core 12, to ensure that the connection state of inner conductor 13 is stable, and outer conductor connector 11 is connected to the outer end of inner conductor 13.

[0024] The outer side of outer conductor connector 11 is connected with a sealing assembly for closing the opening of the end of inner fixed sleeve 9, and the sealing assembly is installed inside the end of inner fixed sleeve 9.

[0025] Further, the sealing assembly comprises sealing pad 6, elastic sheet 7 and connecting ring 8, connecting ring 8 is screw-connected inside the end of inner fixed sleeve 9, connecting ring 8 can be disassembled and assembled, elastic sheet 7 and sealing pad 6 can be replaced conveniently, the normal working state is ensured, six elastic sheets 7 are symmetrically arranged on connecting ring 8, sealing pad 6 is fixed on each elastic sheet 7, the opening and closing of sealing pad 6 are facilitated, and the opening position of inner fixed sleeve 9 can be normally closed by sealing pad 6.

[0026] Further, elastic sheet 7 and connecting ring 8 are integrally arranged, elastic sheet 7 and connecting ring 8 are made of stainless steel, the elasticity of elastic sheet 7 is ensured, and then sealing pad 6 can maintain the opening state through elastic sheet 7 under the condition that sealing pad 6 is not subjected to force, the normal connection work of the radio frequency coaxial connector is avoided, the normal and stable connection state between connecting ring 8 and inner fixed sleeve 9 is ensured, sealing pad 6 is made of rubber, six sealing pads 6 are combined together in a cylindrical shape, the outer diameter is equal to the inner diameter of inner fixed sleeve 9, and the opening of inner fixed sleeve 9 can be fully plugged.

[0027] Further, the elastic sheet 7 is in a flat state under no force, ensuring that the elastic sheet 7 maintains the everted open state of the sealing pad 6, and when the sealing pad 6 is pressed into the retracted state by the movable connecting sleeve 5, the elastic sheet 7 is bent and always exerts an outward rebounding force on the retracted sealing pad 6, so that the sealing pad 6 is automatically opened after the movable connecting sleeve 5 is removed, thereby facilitating the subsequent connection work.

[0028] The inner fixed sleeve 9 is provided with an extension assembly on the outer side thereof for adjusting the working position of the sealing assembly.

[0029] Further, the extension assembly comprises the movable connecting sleeve 5 and the spring 10, the movable connecting sleeve 5 and the spring 10 are sleeved on the outer side of the inner fixed sleeve 9, the two ends of the spring 10 are fixedly connected with the movable connecting sleeve 5 and the connector body 2, so that the state of the movable connecting sleeve 5 on the inner fixed sleeve 9 is stable, and the movable connecting sleeve 5 and the inner fixed sleeve 9 are not separated due to the connection of the spring 10, the movable connecting sleeve 5 forms a movable structure on the outer side of the inner fixed sleeve 9 through the spring 10, and the movable connecting sleeve 5 can be quickly reset in the movable state on the inner fixed sleeve 9 through the spring 10, thereby facilitating the use of the movable connecting sleeve 5.

[0030] Further, the inner fixed sleeve 9 is provided with the inner liner 3 on the outer side thereof, the inner liner 3 is fixed on the connector body 2, the outer liner 4 is fixed on the movable connecting sleeve 5, the outer liner 4 is located on the outer side of the inner liner 3, the inner diameter of the outer liner 4 is equal to the outer diameter of the inner liner 3, the outer liner 4 and the inner liner 3 are located on the outer side of the spring 10, the connection of the outer liner 4 and the inner liner 3 further enhances the stability of the connection between the movable connecting sleeve 5 and the inner fixed sleeve 9, and the spring 10 can be completely shielded by the outer liner 4 and the inner liner 3, thereby ensuring the normal working state of the spring 10.

[0031] Further, the outer side of the movable connecting sleeve 5 is provided with a protruding structure, which facilitates the operation and use of the movable connecting sleeve 5, and the inner diameter of the movable connecting sleeve 5 is equal to the outer diameter of the inner fixed sleeve 9, thereby ensuring the stable movable state of the movable connecting sleeve 5 on the inner fixed sleeve 9.

[0032] Working principle: when the dustproof RF coaxial connector is used, the movable connecting sleeve 5 is first pushed inward, so that the tail end of the movable connecting sleeve 5 is close to the connector body 2, and the outer side of the movable connecting sleeve 5 is provided with a protruding structure, which facilitates the movable operation of the movable connecting sleeve 5.

[0033] When the movable connecting sleeve 5 is moved to the position, the outer liner 4 is completely covered on the outer side of the inner liner 3, and the tail end of the outer liner 4 is in contact with the connector body 2, so that the front end of the movable connecting sleeve 5 is completely separated from the sealing pad 6, the sealing pad 6 is turned outward under the action of the elastic sheet 7, and the opening at the front end of the inner fixed sleeve 9 is automatically opened.

[0034] Then the outer conductor connector 11 is inserted into the inner fixing sleeve 9, the outer conductor connector 11 is connected with the inner conductor 13, under the condition of ensuring the stable connection state of the inner conductor 13 and the outer conductor connector 11, the movable connecting sleeve 5 is loosened, the movable connecting sleeve 5 is reset under the action of the spring 10, the outer end of the movable connecting sleeve 5 extrudes the sealing pad 6, the sealing pad 6 extrudes the outer conductor connector 11 inward, and the connection of the outer conductor connector 11 can be reinforced;

[0035] When the outer conductor connector 11 is pulled out subsequently, the movable connecting sleeve 5 is pushed inward to separate from the sealing pad 6, the extrusion and fixation of the outer conductor connector 11 are released, so that the outer conductor connector 11 can be directly pulled out, and the connection and use efficiency of the dustproof radio frequency coaxial connector is improved;

[0036] After the outer conductor connector 11 is pulled out, the movable connecting sleeve 5 is loosened, the movable connecting sleeve 5 is reset under the action of the spring 10, the outer end of the movable connecting sleeve 5 extrudes the sealing pad 6, the sealing pad 6 is extruded to be tight, and the sealing pad 6 is closed together to seal the opening at the outer end of the inner fixing sleeve 9, so that the dust outside can not enter the opening at the outer end of the inner fixing sleeve 9, and the subsequent normal connection work of the inner fixing sleeve 9 is ensured;

[0037] The above is the use process of the dustproof radio frequency coaxial connector, and the contents not described in detail in the specification all belong to the prior art known by the professional technical personnel in the field.

[0038] Although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, the technical scheme recorded in the foregoing embodiments can be modified, or part of the technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A dustproof radio frequency coaxial connector comprising a connecting wire (1), characterized in that: The end of the connecting wire (1) is fixedly connected with a connector body (2), an inner fixing sleeve (9) is arranged at the outer end of the connector body (2), a fixing core (12) is fixedly arranged in the inner fixing sleeve (9), an inner conductor (13) is fixedly arranged in the fixing core (12), and an outer conductor connector (11) is connected to the outer end of the inner conductor (13). An outer side of the outer conductor connector (11) is connected with a sealing assembly for sealing the end opening of the inner fixing sleeve (9), the sealing assembly is arranged inside the end of the inner fixing sleeve (9), and an outer side of the inner fixing sleeve (9) is provided with a telescopic assembly for adjusting the working position of the sealing assembly.

2. The dust-proof RF coaxial connector according to claim 1, characterized in that: The sealing assembly comprises a sealing pad (6), a spring piece (7) and a connecting ring (8), the connecting ring (8) is threadedly connected inside the end of the inner fixing sleeve (9), six spring pieces (7) are symmetrically arranged on the connecting ring (8), and the sealing pad (6) is fixed on each spring piece (7).

3. The dust-proof RF coaxial connector of claim 2, wherein: The spring piece (7) and the connecting ring (8) are integrally arranged, the spring piece (7) and the connecting ring (8) are made of stainless steel, the sealing pad (6) is made of rubber, the six sealing pads (6) are combined together in a cylindrical shape, and the outer diameter is equal to the inner diameter of the inner fixing sleeve (9).

4. The dust-proof RF coaxial connector of claim 1, wherein: The telescopic assembly comprises a movable connecting sleeve (5) and a spring (10), the movable connecting sleeve (5) and the spring (10) are sleeved on the outer side of the inner fixing sleeve (9), the two ends of the spring (10) are fixedly connected with the movable connecting sleeve (5) and the connector body (2), and the movable connecting sleeve (5) forms a movable structure on the outer side of the inner fixing sleeve (9) through the spring (10).

5. The dust-proof RF coaxial connector of claim 4, wherein: An inner lining sleeve (3) is arranged on the outer side of the inner fixing sleeve (9), the inner lining sleeve (3) is fixed on the connector body (2), an outer lining sleeve (4) is fixed on the movable connecting sleeve (5), the outer lining sleeve (4) is located on the outer side of the inner lining sleeve (3), the inner diameter of the outer lining sleeve (4) is equal to the outer diameter of the inner lining sleeve (3), and the outer lining sleeve (4) and the inner lining sleeve (3) are located on the outer side of the spring (10).

6. The dust-proof RF coaxial connector of claim 4, wherein: A convex structure is arranged on the outer side of the movable connecting sleeve (5), and the inner diameter of the movable connecting sleeve (5) is equal to the outer diameter of the inner fixing sleeve (9).

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