CN209766788U

CN209766788U - Multi-core coaxial connector capable of reducing friction

Info

Publication number: CN209766788U
Application number: CN201920817687.6U
Authority: CN
Inventors: 潘益峰
Original assignee: Zhenjiang Wotong Machinery Co Ltd
Current assignee: Zhenjiang Wotong Machinery Co Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2019-12-10
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses a multicore coaxial connector that can reduce friction, including first shell and second shell, the inboard bottom of first shell is provided with first insulator, and the inside first inner conductor that is provided with of first insulator, first inner conductor bottom is provided with first blind hole, and first inner conductor top is provided with the bell mouth, second shell bottom sets up inside the recess, and is provided with first waterproof rubber ring outside the second shell, first insulator upside is provided with the waterproof rubber ring of second, second inner conductor top is provided with the second blind hole, and is provided with the taper pin bottom the second inner conductor. This can reduce fricative multicore coaxial connector is provided with first shell, second shell, bell mouth and toper needle, and the bell mouth is laminated through the extruded mode of second shell to the toper needle, and the recess has restricted the slip direction of second shell simultaneously, leads to the toper needle fracture inside the bell mouth because the reason of direction of force when preventing second shell roll-off recess.

Description

Multi-core coaxial connector capable of reducing friction

Technical Field

The utility model relates to a coaxial connector technical field specifically is a multicore coaxial connector that can reduce friction.

background

During the use of the multi-core cable, a disconnection point is required between two devices, and a multi-core coaxial connector is required to avoid the need of re-fixing and fixing every time connection is carried out.

The existing multi-core coaxial connector is divided into a male connector and a female connector, an inner conductor arranged on the male connector is inserted into the female connector through interference fit to form electric connection, but the friction force of the connection mode is large, the inner conductor on the male connector is thin, and the inner conductor is easy to break off inside the female connector when being inserted, and the existing multi-core coaxial connector has no waterproof function, and a multi-core cable is short-circuited after the multi-core coaxial connector enters water to damage equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can reduce fricative multicore coaxial connector, divide into public head and female head with the current multicore coaxial connector who proposes in solving above-mentioned background art, the internal conductor that sets up on public head inserts female head inside formation electric connection through interference fit, but this kind of connected mode frictional force is big, and public overhead internal conductor itself is thinner, break easily when inserting inside female head, and current multicore coaxial connector does not have waterproof function, lead to the multicore cable short circuit after multicore coaxial connector intakes, harm the problem of equipment.

In order to achieve the above object, the utility model provides a following technical scheme: a multi-core coaxial connector capable of reducing friction comprises a first shell and a second shell, wherein a first insulator is arranged at the bottom of the inner side of the first shell, a first inner conductor is arranged in the first insulator, a first blind hole is formed in the bottom of the first inner conductor, a tapered hole is formed in the top of the first inner conductor, a nut is arranged on the outer side of the first shell, a groove is formed in the upper side of the inner side of the first shell, the bottom of the second shell is arranged in the groove, a first waterproof rubber ring is arranged on the outer side of the second shell, a second waterproof rubber ring is arranged on the upper side of the first insulator, the upper side of the first insulator is arranged on the inner side of the second shell, the first insulator is arranged on the outer side of the second insulator, the second insulator is arranged in the second shell, a second inner conductor is arranged in the second insulator, a second blind hole is formed in the top of the second inner conductor, and the bottom of the second inner conductor is provided with a conical needle.

Preferably, the first housing and the second housing form a sliding mechanism, the sliding distance of the sliding mechanism is the depth of the groove, and the second housing and the first insulator are connected in a sliding manner.

Preferably, the number of the first inner conductors is the same as that of the second inner conductors, and the axial center of each first inner conductor corresponds to the axial center of one second inner conductor.

preferably, the nut and the first housing are connected in a threaded manner, and the nut and the second housing are connected in a threaded manner.

Preferably, the depth of the groove is greater than the length of the tapered needle.

Preferably, the second housing and the first housing form an interference fit through the first waterproof rubber ring, and the second housing and the first insulator form an interference fit through the second waterproof rubber ring.

Compared with the prior art, the beneficial effects of the utility model are that: the multi-core coaxial connector can reduce the friction,

(1) The second shell slides along the groove, the conical needle is attached to the conical hole in a mode of extruding the second shell, friction force between the conical needle and the conical hole is reduced, meanwhile, the groove limits the sliding direction of the second shell, and the conical needle is prevented from being broken in the conical hole due to the stress direction when the second shell slides out of the groove;

(2) Be provided with first waterproof rubber ring and the waterproof rubber ring of second, the junction of first shell and second shell is provided with first waterproof rubber ring, and the junction of first insulator and second shell is provided with the waterproof rubber ring of second, and double-deck waterproof rubber ring protects first inner conductor and second inner conductor, prevents first inner conductor and second inner conductor short circuit of intaking.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the present invention;

Fig. 2 is a schematic view of the bottom view structure of the present invention;

FIG. 3 is a schematic top view of the cross-sectional structure of the present invention;

fig. 4 is an enlarged schematic view of a point a in fig. 1 according to the present invention.

in the figure: 1. the first shell, 2, first insulator, 3, first inner conductor, 4, first blind hole, 5, taper hole, 6, nut, 7, recess, 8, second shell, 9, first waterproof rubber ring, 10, second waterproof rubber ring, 11, second insulator, 12, second inner conductor, 13, second blind hole, 14, taper pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a multi-core coaxial connector capable of reducing friction is disclosed, as shown in FIG. 1 and FIG. 2, a first insulator 2 is arranged at the bottom of the inner side of a first housing 1, a first inner conductor 3 is arranged in the first insulator 2, the first housing 1 and a second housing 8 form a sliding mechanism, the sliding distance of the sliding mechanism is the depth of a groove 7, meanwhile, the second housing 8 and the first insulator 2 are connected in a sliding manner, the first housing 1 and the second housing 8 are convenient to insert and pull out, the use is more convenient, the number of the first inner conductors 3 is the same as that of the second inner conductors 12, the axis of each first inner conductor 3 corresponds to the axis of the second inner conductor 12, the axis of the first inner conductor 3 corresponds to that of the second inner conductor 12, a tapered needle 14 is prevented from being attached to a tapered hole 5, a first blind hole 4 is arranged at the bottom of the first inner conductor 3, and a tapered hole 5 is arranged at the top of the first inner conductor 3, the depth of recess 7 is greater than the length of conical needle 14, recess 7 has restricted the slip direction of second shell 8, there is not zonulae occludens between conical needle 14 and the bell mouth 5, prevent that conical needle 14 from splitting inside bell mouth 5, the first shell 1 outside is provided with nut 6, and the inside upside of first shell 1 is provided with recess 7, the connected mode of nut 6 and first shell 1 is threaded connection, and the connected mode of nut 6 and second shell 8 is threaded connection, nut 6 makes first shell 1 and second shell 8 fixed, prevent that first shell 1 and second shell 8 from breaking away from, lead to multicore cable disconnection.

As shown in fig. 1, 3 and 4, the bottom of the second casing 8 is arranged inside the groove 7, and a first waterproof rubber ring 9 is arranged outside the second casing 8, the second casing 8 and the first casing 1 form an interference fit through the first waterproof rubber ring 9, and the second shell 8 and the first insulator 2 form interference fit through the second waterproof rubber ring 10, which plays a role in sealing the joint of the first shell 1 and the second shell 8 and preventing the short circuit of water inflow inside the first shell 1 and the second shell 8, the second waterproof rubber ring 10 is arranged on the upper side of the first insulator 2, the upper side of the first insulator 2 is arranged on the inner side of the second shell 8, while the first insulator 2 is disposed outside the second insulator 11, the second insulator 11 is disposed inside the second housing 8, and a second inner conductor 12 is arranged inside the second insulator 11, a second blind hole 13 is arranged at the top of the second inner conductor 12, and a conical needle 14 is arranged at the bottom of the second inner conductor 12.

The working principle is as follows: when the multicore coaxial connector capable of reducing friction is used, firstly, a stripped multicore cable is fixed in a first blind hole 4 through welding, a heat-shrinkable tube with glue is used for sealing the multicore cable and a first shell 1, another stripped multicore cable is fixed in a second blind hole 13 through welding, the heat-shrinkable tube with glue is used for sealing the multicore cable and a second shell 8, a first waterproof rubber ring 9 is sleeved on the outer side of the second shell 8, a second waterproof rubber ring 10 is sleeved on the upper side of a first insulator 2, the second shell 8 slides along a groove 7, the second shell 8 and the first shell 1 form an interference fit sealing multicore coaxial connector through the first waterproof rubber ring 9, the second shell 8 and the first insulator 2 form an interference fit sealing multicore coaxial connector through the second waterproof rubber ring 10, meanwhile, the second multicore shell 8 pushes a conical needle 14 to fit a conical hole 5, a nut 6 is rotated, the nut 6 simultaneously connects the first shell 1 and the second shell 8, the first housing 1 and the second housing 8 are fixed, when the first housing 1 and the second housing 8 are disassembled, the nut 6 is separated from the second housing 8 by rotating the nut 6, the second housing 8 is pulled outwards, the second housing 8 slides outwards along the groove 7, the conical needle 14 is separated from the conical hole 5, meanwhile, the groove 7 limits the sliding direction of the second housing 8, the conical needle 14 is prevented from being broken inside the conical hole 5, the whole work is completed, and the content which is not described in detail in the specification belongs to the prior art which is well known by a person skilled in the art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A reduced friction multicoaxial connector comprising a first housing (1) and a second housing (8), characterized in that: the bottom of the inner side of the first shell (1) is provided with a first insulator (2), the first insulator (2) is internally provided with a first inner conductor (3), the bottom of the first inner conductor (3) is provided with a first blind hole (4), the top of the first inner conductor (3) is provided with a tapered hole (5), the outer side of the first shell (1) is provided with a nut (6), the upper side of the inner part of the first shell (1) is provided with a groove (7), the bottom of the second shell (8) is arranged inside the groove (7), the outer side of the second shell (8) is provided with a first waterproof rubber ring (9), the upper side of the first insulator (2) is provided with a second waterproof rubber ring (10), the upper side of the first insulator (2) is arranged on the inner side of the second shell (8), the first insulator (2) is arranged on the outer side of the second insulator (11), and the second insulator (11) is arranged inside the second shell (8), and a second inner conductor (12) is arranged in the second insulator (11), a second blind hole (13) is arranged at the top of the second inner conductor (12), and a conical needle (14) is arranged at the bottom of the second inner conductor (12).

2. The reduced-friction multicoaxial connector of claim 1, wherein: the first shell (1) and the second shell (8) form a sliding mechanism, the sliding distance of the sliding mechanism is the depth of the groove (7), and meanwhile the second shell (8) and the first insulator (2) are connected in a sliding mode.

3. The reduced-friction multicoaxial connector of claim 1, wherein: the number of the first inner conductors (3) is the same as that of the second inner conductors (12), and the axis of each first inner conductor (3) corresponds to the axis of one second inner conductor (12).

4. The reduced-friction multicoaxial connector of claim 1, wherein: the nut (6) is in threaded connection with the first shell (1), and the nut (6) is in threaded connection with the second shell (8).

5. The reduced-friction multicoaxial connector of claim 1, wherein: the depth of the groove (7) is greater than the length of the conical needle (14).

6. The reduced-friction multicoaxial connector of claim 1, wherein: second shell (8) and first shell (1) form interference fit through first waterproof rubber ring (9), and second shell (8) and first insulator (2) form interference fit through second waterproof rubber ring (10).