CN217691870U - Cable connecting piece and electronic equipment - Google Patents

Abstract

The utility model provides a cable connecting piece and electronic equipment, this cable connecting piece mainly include PCB keysets and sleeve. The PCB adapter plate is provided with a first area and a second area; the first area is provided with at least one first electric connection point, and the wire core in the first cable is connected to the first electric connection point; the second region has at least one second electrical connection point to which the wire core of the second cable is connected. The PCB adapter plate is sleeved in the sleeve, glue is filled in the sleeve, and the PCB adapter plate and the sleeve are isolated from each other in an airtight mode through the glue. By utilizing the sealing characteristic of the sleeve and the flowing characteristic of glue, the PCB adapter plate in the sleeve can be ensured to be isolated from the outside of the sleeve in an airtight manner, and the requirement of electronic equipment on the air tightness of a cable joint is met. And short circuit between different wire cores is prevented. The phenomenon that the connecting part is too thick can be avoided, and the universality requirement is ensured.

Description

Cable connecting piece and electronic equipment

Technical Field

The utility model relates to a cable technical field especially relates to a cable connecting piece and electronic equipment.

Background

The cable belongs to the key wire fitting in the electronic equipment, and the electronic equipment has higher air tightness requirement to the junction of cable. In the development of the current electronic equipment products, if the cable connection part needs to meet the air tightness requirement of the electronic equipment, the following solutions are generally adopted: the insulation skin of two cables is peeled off, the wire cores in the two cables are connected together, glue with good fluidity is used for glue dispensing, sealing and insulating the wire cores, and the outer cover is sleeved after solidification to carry out integral sealing. However, this solution is only suitable for cable processing with a small number of wires, and when the number of wires is large, this solution causes the wire core glue dispensing position to become thick, which is not universal, and a gap is inevitably formed between adjacent glue dispensing positions, which cannot meet the requirement of airtightness.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cable connecting piece and electronic equipment satisfies the gas tightness requirement of electronic equipment to the cable junction.

In a first aspect, the present invention provides a cable connector for connecting a first cable and a second cable. The cable connecting piece mainly comprises a PCB adapter plate and a sleeve. The PCB adapter plate is provided with a first area and a second area; the first area is provided with at least one first electric connection point, and a wire core in the first cable is connected to the first electric connection point; the second region has at least one second electrical connection point to which a wire core of the second cable is connected. The PCB adapter plate is sleeved in the sleeve, glue is filled in the sleeve, and the PCB adapter plate and the sleeve are isolated from each other in an airtight mode through the glue.

In the scheme, the wire cores of the two cables are welded to the electric connection points of the two areas of the PCB adapter plate respectively, then the PCB adapter plate is embedded into the sleeve, glue is filled into the sleeve, and after the glue is filled into the sleeve and solidified, the PCB adapter plate in the sleeve can be ensured to be isolated from the outside of the sleeve in an airtight manner by utilizing the sealing characteristic of the sleeve and the flowing characteristic of the glue, so that the requirement of electronic equipment on the air tightness of the cable connection position is met. Simultaneously, the PCB keysets can also guarantee to have fixed interval between the electric connection point of difference, prevents the short circuit between the sinle silk of difference. And the sleeve can also limit the thickness of the joint, so that the phenomenon of over-thickness of the joint can be avoided, and the universality requirement is ensured.

In a specific embodiment, the PCB adapter plate has a first side and a second side opposite to each other, the first area is distributed on the first side, and the second area is distributed on the second side, so that the PCB adapter plate and the wire cores are conveniently arranged in the sleeve.

In a specific implementation mode, the first side face and the second side face are perpendicular to the axis of the sleeve, so that the PCB adapter plate is transversely erected in the sleeve, a larger distance between different wire cores is guaranteed, and short circuit is prevented.

In a specific embodiment, the first electrical connection point and the second electrical connection point are both pads, which facilitates the arrangement of the electrical connection points on the PCB interposer.

In a specific embodiment, at least one first electric connection point on the first area is arranged in an array, and at least one second electric connection point on the second area is arranged in an array, so that a larger interval between different wire cores is ensured, short circuit is prevented, and meanwhile, the wire cores are convenient to be sequentially welded on the corresponding electric connection points.

In a specific embodiment, a passive filter circuit electrically connected with the first electrical connection point and the second electrical connection point is further arranged on the PCB adapter plate, and passive filtering of signals is achieved by adding the filter circuit on the PCB adapter plate.

In a specific implementation mode, the cable connecting piece further comprises a first fastening ring sleeved on the first cable, the first fastening ring is in threaded connection with the sleeve, the first cable is conveniently fixed in the sleeve, meanwhile, a closed glue filling environment can be provided for the sleeve, and the improvement of air tightness is facilitated.

In a particular embodiment, the first fastening ring has an external thread and the sleeve has an internal thread, the first fastening ring being screwed onto the internal thread of the sleeve by means of the external thread thereon, in order to facilitate a tight connection between the first fastening ring and the sleeve.

In a specific embodiment, the end of the sleeve, which is far away from the first fastening ring, is provided with an everted edge ring, and the edge ring is provided with at least two mounting holes, so that the joint of two cables can be fixed at a certain position.

In a specific embodiment, this cable connecting piece still includes the second tighrening ring of suit on the second cable, and second tighrening ring and sleeve threaded connection, are convenient for fix the second cable in the sleeve, and two tighrening rings through the sleeve and being located the sleeve both ends simultaneously wrap up encapsulating and junction, are favorable to improving the gas tightness.

In a specific embodiment, each first electrical connection point is electrically connected with a corresponding second electrical connection point through a trace in the PCB adapter plate, so as to facilitate electrical connection between corresponding wire cores in two cables.

In a second aspect, the present invention further provides an electronic device, which includes an electronic device housing, a first cable, a second cable and any one of the above-mentioned cable connectors. Wherein, first cable is located the electronic equipment casing, and the second cable is located outside the electronic equipment casing, is provided with the through-hole on the electronic equipment casing, and the sleeve is worn to establish in the through-hole. The wire cores of the two cables are welded to the electric connection points of the two areas of the PCB adapter plate respectively, then the PCB adapter plate is embedded into the sleeve, glue is filled into the sleeve, after the sleeve is filled with the glue and solidified, the sealing characteristic of the sleeve and the flowing characteristic of the glue are utilized, the PCB adapter plate in the sleeve can be guaranteed to be isolated from the outside of the sleeve in an airtight mode, and therefore the requirement of electronic equipment on the air tightness of the cable connection position is met. Simultaneously, the PCB keysets can also guarantee to have fixed interval between the electric connection point of difference, prevents the short circuit between the sinle silk of difference. And the thickness of junction can also be injectd to the sleeve, can avoid the too thick phenomenon of junction, guarantees the universality requirement.

In a specific embodiment, the first cable is a cable with a non-airtight core and/or the second cable is a cable with a non-airtight core, the insulating sheath of the first cable and/or the second cable is made of polytetrafluoroethylene, when the cable with the non-airtight core is adopted, the cable does not have an airtight requirement inside and cannot cause airtight failure due to torsion, and then the cold-resistant, heat-resistant and torsion-resistant characteristics of the polytetrafluoroethylene are utilized to meet the cold-resistant, heat-resistant and torsion-resistant requirements through the cable.

Drawings

Fig. 1 is a schematic cross-sectional view of a cable connector and an electronic device provided in an embodiment of the present invention;

fig. 2 is a schematic view illustrating a connection between a cable and a PCB adapter board according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a first side surface of a PCB interposer according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a second side surface of a PCB interposer provided in an embodiment of the present invention;

fig. 5 is a cross-sectional view of another cable connector and an electronic device according to an embodiment of the present invention;

fig. 6 is a schematic cross-sectional structural view of an application scenario of the structural member shown in fig. 5.

Reference numerals:

11-first cable 12-second cable 21-sleeve 211-edge ring

212-mounting hole 22-PCB adapter board 221-first electrical connection point

222-second electrical connection point 23-first fastening ring 24-second fastening ring 30-electronic device housing

Detailed Description

To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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 efforts all belong to the protection scope of the present invention.

For the convenience of understanding the cable connecting piece provided by the embodiment of the present invention, the following description is first made of an application scenario of the cable connecting piece provided by the embodiment of the present invention, referring to fig. 1, the cable connecting piece is used for connecting two cables, the cable can be specifically used in scenarios such as but not limited to cloud platform equipment, industrial personal computer equipment, etc., and is used for transmitting a cable of an electrical signal, wherein the electrical signal can be specifically a communication signal, and can also be an electrical signal of other types. For the sake of convenience in the following description, one of the two cables is defined as a first cable 11, and the other cable is defined as a second cable 12, each having a plurality of cores therein. The cable connector will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a cable connector provided in an embodiment of the present invention mainly includes a PCB adapter plate 22 and a sleeve 21. Wherein the PCB interposer 22 has a first region and a second region; the first region has at least one first electrical connection point 221, the wire core in the first cable 11 being connected to the first electrical connection point 221; the second region has at least one second electrical connection point 222, the core of the second cable 12 being connected to the second electrical connection point 222. The PCB adapter plate 22 is sleeved in the sleeve 21, glue is filled in the sleeve 21, and the PCB adapter plate 22 and the sleeve 21 are isolated from each other in an airtight mode through the glue.

In the above scheme, the core of each of the two cables is welded to the electrical connection points of the two areas of the PCB adapter plate 22, the PCB adapter plate 22 is embedded into the sleeve 21, the sleeve 21 is filled with glue, and after the sleeve 21 is filled with glue and solidified, the PCB adapter plate 22 in the sleeve 21 and the sleeve 21 can be ensured to be isolated from each other in an airtight manner by using the sealing characteristic of the sleeve 21 and the flowing characteristic of the glue, so that the requirement of electronic equipment on the airtightness of the cable connection part is met. Simultaneously, PCB keysets 22 can also guarantee to have fixed interval between the different electrical connection points, prevents the short circuit between the sinle silk of difference. And the sleeve 21 can also limit the thickness of the joint, so that the phenomenon of over-thickness of the joint can be avoided, and the universality requirement is ensured. The above-described respective structures will be described in detail with reference to the accompanying drawings.

When the PCB interposer 22 is disposed, referring to fig. 2, 3 and 4, the PCB interposer 22 may be a printed circuit board. As shown in fig. 2, 3 and 4, the PCB interposer 22 has two opposite sides. It should be noted that the two surfaces of the PCB interposer 22 with larger area are the two sides of the PCB interposer 22. Wherein the side facing the first cable 11 is a first side and the side facing the second cable 12 is a second side. There are two areas on the PCB interposer 22, a first area and a second area. The first area has at least one first electrical connection point 221, and the core of the first cable 11 is soldered to the first electrical connection point 221, specifically, one core may be connected to one first electrical connection point 221, and a plurality of cores may also be connected to one first electrical connection point 221. The number of the first electrical connection points 221 in the first region is specifically related to the number of the cores in the first cable 11 and the connection manner. The second region has at least one second electrical connection point 222, and the cores of the second cable 12 are soldered to the second electrical connection points 222, specifically, each second electrical connection point 222 may be connected to one core, and one second electrical connection point 222 may also be connected to a plurality of cores. The number of the second electrical connection points 222 in the second region is specifically related to the number of the cores in the second cable 12 and the connection manner. In this way, the cores of the two cables are soldered to the first electrical connection point 221 and the second electrical connection point 222 of the PCB interposer 22, respectively.

Each first electrical connection point 221 can be electrically connected to a corresponding second electrical connection point 222 through a trace in the PCB interposer 22. The specific corresponding manner may be that one first electrical connection point 221 corresponds to one second electrical connection point 222, one first electrical connection point 221 corresponds to a plurality of second electrical connection points 222, and a plurality of first electrical connection points 221 correspond to one second electrical connection point 222, so that corresponding cores in two cables are electrically connected. As shown in fig. 2, each first electrical connection point 221 is electrically connected to a corresponding second electrical connection point 222 through a trace inside the PCB adapter board 22, so that each wire core in the first cable 11 is electrically connected to a corresponding wire core in the second cable 12 through the first electrical connection point 221, the trace inside the PCB adapter board 22, and the second electrical connection point 222 in sequence.

Specifically, when the PCB adapter board 22 is divided into the first area and the second area, referring to fig. 2, 3 and 4, the two areas may be respectively distributed on two side surfaces of the PCB adapter board 22, specifically, the first area may be distributed on the first side surface, and the second area may be distributed on the second side surface, so that the PCB adapter board 22 and the wire cores are conveniently arranged in the sleeve 21. It should be understood that the manner in which the two areas are distributed on the PCB interposer 22 can be other than that illustrated above. For example, both areas may be distributed on the same side of the PCB interposer 22. Specifically, the first area and the second area may be distributed on the first side of the PCB interposer 22, or the first area and the second area may be distributed on the second side of the PCB interposer 22.

When specifically setting up the electrical connection point on two regions of PCB keysets 22, refer to fig. 3 and fig. 4, at least one first electrical connection point 221 on the first region can be the array arrangement, and at least one second electrical connection point 222 on the second region can be the array arrangement equally, guarantees to have great interval between the different sinle silk, prevents the short circuit, also is convenient for weld the sinle silk in proper order on corresponding pad simultaneously. It should be understood that the arrangement of the electrical connection points on the two regions is not limited to the arrangement in an array shown above, and other arrangements may be used. For example, they may be arranged in a circular array.

When each electrical connection point is specifically set, the first electrical connection point 221 and the second electrical connection point 222 may be both pads, which is convenient for setting the electrical connection points on the PCB interposer 22. The bonding pad may specifically be a die bonding pad (Land), which is a two-dimensional surface feature for soldering surface-mountable components. The pads may also be plug pads (Pad), which are three-dimensional features for soldering pluggable components. Of course, each electrical connection point may also adopt other conductive structures as the electrical connection point between the PCB adapter board 22 and the wire core, besides the pad structure shown above.

As shown in fig. 1, 5 and 6, the cable adaptor further includes a sleeve 21, the sleeve 21 is sleeved outside the PCB adaptor board 22, that is, the PCB adaptor board 22 is sleeved inside the sleeve 21. As shown in fig. 1, glue is filled in the sleeve 21, and the glue seals the PCB adapter plate from the outside of the sleeve. Namely, after the PCB adapter plate 22 is embedded into the sleeve 21, the sleeve 21 is filled with glue, and after the sleeve 21 is filled with glue and solidified, the PCB adapter plate 22 in the sleeve 21 and the sleeve 21 can be ensured to be isolated from each other in an airtight manner by using the sealing characteristic of the sleeve 21 and the flowing characteristic of the glue, so that the requirement of electronic equipment on the air tightness of a cable connection part is met. Meanwhile, when the PCB adapter plate 22 is applied, fixed intervals can be guaranteed among different welding points, and short circuit among different wire cores is prevented. And the sleeve 21 can also limit the thickness of the joint, so that the phenomenon of over-thickness of the joint can be avoided, and the universality requirement is ensured.

As shown in fig. 1, the PCB adapter board 22 can be substantially erected in the sleeve 21, that is, the first side surface and the second side surface of the PCB adapter board 22 are perpendicular to the axis of the sleeve 21, so that the PCB adapter board 22 is transversely erected in the sleeve 21, and a larger distance between different wire cores is ensured to prevent short circuit. Of course, the PCB adapter board 22 may also be in a non-perpendicular angle with the axis of the sleeve 21.

With reference to fig. 1, the cable connector may further include a first fastening ring 23 sleeved on the first cable 11, the first fastening ring 23 is located at one end of the sleeve 21, and the first fastening ring 23 is in threaded connection with the sleeve 21, so that the first cable 11 is fixed in the sleeve 21, and meanwhile, a sealed glue filling environment can be provided for the sleeve 21, which is beneficial to improving air tightness. When the threaded connection between the first fastening ring 23 and the sleeve 21 is specifically realized, as shown in fig. 1, an external thread may be disposed on an outer edge of the first fastening ring 23, an internal thread may be disposed on an end of the sleeve 21 close to the first fastening ring 23, and the first fastening ring 23 is screwed onto the internal thread of the sleeve 21 through the external thread thereon, so as to facilitate the airtight connection between the first fastening ring 23 and the sleeve 21. Of course, the first fastening ring 23 and the sleeve 21 may be screwed in other manners, and the manner of screwing the first fastening ring 23 and the sleeve 21 is not limited to the manner of screwing. For example, the first fastening ring 23 can also be snapped onto the sleeve 21. It should be noted that the first fastening ring 23 is not a necessary structure of the cable connector, and besides, a threading hole may be directly formed at one end of the sleeve 21, so that the first cable 11 is threaded into the sleeve 21 through the threading hole to be electrically connected to the PCB adapter 22.

As shown in fig. 1, 5 and 6, an outward-turned edge ring 211 may be further disposed on the end of the sleeve 21 away from the first fastening ring 23, and at least two mounting holes 212 may be disposed on the edge ring 211 to fix the connection of the two cables at a certain position. In fixing the screw connector at a certain position, referring to fig. 5 and 6, it can be fixed by screwing in the mounting hole 212.

As shown in fig. 5 and fig. 6, the cable connector may further include a second fastening ring 24 sleeved on the second cable 12, that is, the second fastening ring 24 is sleeved on the second cable 12, and the second fastening ring 24 is in threaded connection with the sleeve 21, so as to fix the second cable 12 in the sleeve 21, and meanwhile, the sleeve 21 and the two fastening rings at the two ends of the sleeve 21 are wrapped to encapsulate the glue pouring and the connection, which is beneficial to improving the air tightness. Specifically, the second fastening ring 24 and the sleeve 21 may be screwed together by providing an external thread on the outer edge of the sleeve 21 near the second fastening ring 24 and an internal thread on the inner edge of the second fastening ring 24, so that the second fastening ring 24 is screwed into the sleeve 21. Of course, the manner of connecting the second fastening ring 24 to the sleeve 21 is not limited to the screw connection, and a connection manner in which the second fastening ring 24 is engaged with the sleeve 21 may be adopted. It should be noted that the second fastening ring 24 is not a necessary structure of the cable connector, and besides, a threading hole may be directly formed at one end of the sleeve 21, and the second cable 12 may be threaded into the sleeve 21 through the threading hole to be electrically connected to the PCB adapter 22.

In addition, a passive filter circuit electrically connected to the first electrical connection point 221 and the second electrical connection point 222 may be further disposed on the PCB adapter board 22, the passive filter circuit may specifically include devices such as an inductance device and a capacitance device disposed on the PCB adapter board 22, and a trace embedded in the PCB adapter board 22 and electrically connected to each device, and the passive filter circuit is added to the PCB adapter board 22 to implement passive filtering of signals.

In the above-described various embodiments, the core of two cables is respectively soldered to the electrical connection points of two areas of the PCB adapter plate 22, then the PCB adapter plate 22 is embedded into the sleeve 21, then the sleeve 21 is filled with glue, and after the sleeve 21 is filled with glue and solidified, the PCB adapter plate 22 in the sleeve 21 and the sleeve 21 can be ensured to be isolated from each other in an airtight manner by using the sealing characteristic of the sleeve 21 and the flowing characteristic of the glue, so that the requirement of electronic equipment on the airtightness of the cable connection part is met. Simultaneously, PCB keysets 22 can also guarantee to have fixed interval between the different electrical connection points, prevents the short circuit between the sinle silk of difference. And the sleeve 21 can also limit the thickness of the joint, so that the phenomenon of over-thickness of the joint can be avoided, and the universality requirement is ensured.

In addition, the embodiment of the present invention further provides an electronic device, referring to fig. 1, fig. 2, fig. 4, fig. 5 and fig. 6, the electronic device includes an electronic device housing 30, a first cable 11, a second cable 12 and any one of the above-mentioned cable connecting pieces. The first cable 11 is located in the electronic device housing 30, the second cable 12 is located outside the electronic device housing 30, a through hole is formed in the electronic device housing 30, and the sleeve 21 is arranged in the through hole in a penetrating manner. The wire cores of the two cables are respectively welded to the electric connection points of the two areas of the PCB adapter plate 22, then the PCB adapter plate 22 is embedded into the sleeve 21, glue is filled into the sleeve 21, after the sleeve 21 is filled with the glue and solidified, the PCB adapter plate 22 in the sleeve 21 and the sleeve 21 can be ensured to be isolated from the outside in an airtight mode by utilizing the sealing characteristic of the sleeve 21 and the flowing characteristic of the glue, and therefore the air tightness requirement of electronic equipment on the connection position of the cables is met. Simultaneously, PCB keysets 22 can also guarantee to have fixed interval between the different electrical connection points, prevents the short circuit between the sinle silk of difference. And the sleeve 21 can also limit the thickness of the joint, so that the phenomenon of over-thickness of the joint can be avoided, and the universality requirement is ensured.

In one embodiment, a cable of a non-airtight core may be selected as the first cable, and/or a cable of a non-airtight core may be selected as the second cable. The term "non-airtight core" as used herein means that an airtight layer is not particularly formed inside the outer insulating sheath of the cable. For example: the manufacturing process in the wire core is not immersed in glue, so that a corresponding airtight structure does not exist inside the outer insulating layer of the cable, the structure without the airtight layer cannot cause airtight failure due to torsion, and a better torsion-resistant basic condition is provided for the cable.

The insulating sheath of the first cable 11 and/or the second cable 12 may be made of teflon, and the cold-resistant, heat-resistant, and twist-resistant properties of the teflon are utilized, so that the cold-resistant, heat-resistant, and twist-resistant requirements of the cable are met. Of course, the material of the insulating sheath of the first cable 11 and the second cable 12 may also be other types of materials. Because of the use of a non-airtight core, the outer insulation sheath of the cable may be made of a torsion-resistant material such as teflon, and may be made of a torsion-resistant material that must be used for an airtight core.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A cable connector for connecting a first cable and a second cable, comprising:

the PCB adapter plate is provided with a first area and a second area; wherein the first region has at least one first electrical connection point to which a wire core of the first cable is connected; the second region is provided with at least one second electric connection point, and a wire core in the second cable is connected to the second electric connection point;

the PCB adapter plate is sleeved in the sleeve; and glue is filled in the sleeve, and the PCB adapter plate and the sleeve are isolated from each other in an airtight manner by the glue.

2. The cable connector of claim 1, wherein the PCB interposer has opposing first and second sides;

the first area is distributed on the first side face, and the second area is distributed on the second side face.

3. The cable connector of claim 2, wherein the first side and the second side are both perpendicular to the axis of the sleeve.

4. The cable connector of claim 1, wherein the first and second electrical connection points are both solder pads.

5. The cable connector of claim 1, wherein the PCB interposer further has a passive filter circuit electrically connected to the first and second electrical connection points.

6. The cable connector of claim 1, further comprising: the suit is in first tighrening ring on the first cable, just first tighrening ring with sleeve threaded connection.

7. The cable connector of claim 6, wherein the sleeve has an outwardly turned edge ring at an end remote from the first fastening ring, the edge ring having at least two mounting holes.

8. The cable connector of claim 6, further comprising: and the second fastening ring is sleeved on the second cable and is in threaded connection with the sleeve.

9. An electronic device, comprising:

an electronic device housing;

a first cable located within the electronic device housing;

a second cable located outside the electronic device housing;

the cable connector according to any one of claims 1 to 8;

the electronic equipment shell is provided with a through hole, and the sleeve penetrates through the through hole.

10. The electronic device of claim 9, wherein the first cable is a cable of a non-airtight core and/or the second cable is a cable of a non-airtight core, and the material of the insulating sheath of the first cable and/or the second cable is polytetrafluoroethylene.

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