CN218958522U - Cable connection structure and high-voltage cable assembly - Google Patents
Cable connection structure and high-voltage cable assembly Download PDFInfo
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- CN218958522U CN218958522U CN202222715247.4U CN202222715247U CN218958522U CN 218958522 U CN218958522 U CN 218958522U CN 202222715247 U CN202222715247 U CN 202222715247U CN 218958522 U CN218958522 U CN 218958522U
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Abstract
The utility model discloses a cable connection structure and a high-voltage cable assembly, wherein the cable connection structure comprises a cable and a connection structure, the cable comprises a cable body and a metal sheath, and the metal sheath is sleeved on the outer peripheral side of the cable body; the connecting structure comprises a plurality of conductive contact plates and a fastener, wherein the conductive contact plates are arranged along the circumferential direction of the cable, and the fastener is used for connecting the conductive contact plates so that a mounting cavity is formed by surrounding the conductive contact plates; the cable is detachably arranged in the mounting cavity in a penetrating way; each conductive contact plate is provided with a connecting end and is used for being connected with a ground wire, and each conductive contact plate is further provided with a contact point which is abutted with the outer wall of the metal sheath. According to the utility model, the plurality of conductive contact plates are connected by using the fasteners, the contacts on the conductive contact plates are abutted against the outer wall of the metal sheath, the connecting ends of the conductive contact plates are connected with the ground wire to be connected with the accessory hardware fitting, and the cable is detachably penetrated in the mounting cavity surrounded by the plurality of conductive contact plates, so that the mounting is simple, and the stable electrical connection between the metal sheath and the accessory hardware fitting can be ensured.
Description
Technical Field
The utility model relates to the technical field of power cables, in particular to a cable connection structure and a high-voltage cable assembly.
Background
The power cable accessory is a product connecting a cable with a power transmission and distribution line and related distribution devices, generally referred to as intermediate connection and terminal connection of various cables in the cable line, and forms a power transmission network together with the cables. In the related art, a lead sealing process is generally adopted to ensure the electrical connection between the cable metal sheath and the cable accessory fitting, however, the operation space is relatively narrow, and in the lead sealing process, the fire operation is required to be carried out, so that the risk is certain; meanwhile, lead sealing operation has high requirements on technical capability of an installer, and if the operation capability is insufficient, cables are easy to be scalded and damaged when the installer heats and melts welding rods for sealing; meanwhile, the lead sealing process needs more materials, and the cost of adopting the lead sealing process is high.
Disclosure of Invention
The utility model aims to solve the technical problems that in order to ensure stable electrical connection between a cable metal sheath and a cable accessory fitting, a lead sealing process is adopted in the related art, the lead sealing process has small space when in operation, and needs fire operation, so that cable scalding is easy to occur, and further, the utility model provides a structure which can ensure stable electrical connection between the cable metal sheath and the cable accessory fitting without fire operation on an installation site, and is convenient and simple to install.
To achieve the above object, the present utility model provides a cable connection structure including:
the cable comprises a cable body and a metal sheath, wherein the metal sheath is sleeved on the outer peripheral side of the cable body; and
the connecting structure comprises a plurality of conductive contact plates and a fastener, wherein the conductive contact plates are arranged along the circumferential direction of the cable, the fastener is used for connecting the conductive contact plates, so that the conductive contact plates are enclosed to form a mounting cavity, and the cable is detachably penetrated in the mounting cavity; each conductive contact plate is provided with a connecting end, the connecting end is used for being connected with a ground wire, one side of each conductive contact plate, which faces the mounting cavity, is also provided with a contact, and the contact is abutted with the outer wall of the metal sheath.
In an embodiment of the present application, the fastening member includes a constant force elastic member, and a receiving groove is formed on a side of each of the conductive contact plates facing away from the mounting cavity, and the constant force elastic member is detachably received in a plurality of the receiving grooves.
In an embodiment of the present application, the fastener further includes an elastic coil, each of the conductive contact plates is provided with an upper end portion and a lower end portion which are disposed opposite to each other, the upper end portion and the lower end portion are provided with through holes penetrating through left and right surfaces of the upper end portion and the lower end portion, and the elastic coil penetrates through a plurality of the conductive contact plates to be sequentially connected in series, so that a plurality of the conductive contact plates enclose to form the mounting cavity.
In an embodiment of the present application, the number of the elastic coils is one, and one elastic coil passes through a plurality of the through holes to serially connect a plurality of the conductive touch pads in sequence;
or the number of the elastic coils is multiple, one elastic coil is arranged between two adjacent conductive contact plates, the two adjacent elastic coils are sleeved, and the elastic coils penetrate through the through holes to sequentially connect the conductive contact plates in series.
In an embodiment of the present application, the upper end portion and/or the lower end portion is provided with a fool-proof threaded hole, and the connection structure further includes a bolt, and the bolt passes through the fool-proof threaded hole to form the connection end.
In an embodiment of the present application, each conductive contact plate is provided with at least two contacts arranged at intervals along the axial direction of the mounting cavity; the outer wall of the metal sheath is provided with a spiral groove, the spiral groove spirally extends along the enclosing direction of the conductive contact plates, and each contact is clamped in the spiral groove.
In an embodiment of the present application, a distance between two contacts on each conductive contact plate is defined as d, and a pitch between two adjacent spiral grooves extending along a surrounding direction of the conductive contact plate is defined as p, where the pitch satisfies the relationship: d=2p.
The utility model also provides a high-voltage cable assembly, which comprises the cable connecting structure, an accessory fitting and a ground wire, wherein the accessory fitting is sleeved on the periphery of the cable connecting structure, and the accessory fitting and the outer wall of the cable connecting structure are enclosed to form a containing cavity, and the connecting structure of the cable connecting structure is positioned in the containing cavity; the ground wire is arranged in the accommodating cavity, one end of the ground wire is connected with the accessory hardware fitting, and the other end of the ground wire is connected with the connecting end of the cable connecting structure.
In an embodiment of the present application, the ground wire is a flexible cable, and the flexible cable is disposed in the accommodating cavity in a foldable manner.
In an embodiment of the present application, the high voltage cable assembly further includes:
the cable outer protection layer is sleeved on the outer wall of the cable and is spaced from the connecting structure, and the accessory fitting is sleeved on the outer peripheral side of part of the cable outer protection layer;
the waterproof belt is arranged at the joint of the accessory fitting and the cable outer protective layer; and
and the heat shrinkage pipe is sleeved on the outer peripheral side of the waterproof belt.
The cable connection structure in this application includes connection structure and cable, and the cable includes cable body and metal sheath, and the periphery side of cable body is located to the metal sheath cover, and metal sheath can play the guard action to the cable body, also can prevent other substances such as dust to cause the destruction to the cable body simultaneously. The connecting structure comprises a plurality of conductive contact plates and a fastener, wherein the conductive contact plates are arranged along the circumferential direction of the cable, and the fastener is used for connecting the conductive contact plates to keep the structural stability of the conductive contact plates; the plurality of conductive contact plates enclose and are formed with the installation cavity, and cable detachably wears to locate the installation cavity, has made things convenient for its dismouting, need not to move the fire operation, has reduced operator's dismouting time and the danger when installing, has improved dismouting efficiency. And the connecting end on each conductive contact plate is used for being connected with the ground wire so as to be connected with the cable accessory fitting, one side of each conductive contact plate facing the mounting cavity is provided with a contact, and the contact is abutted with the outer wall of the metal sheath, so that stable electric connection between the conductive contact plate and the cable is maintained, and stable electric connection between the cable metal sheath and the cable accessory fitting is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of one embodiment of a high voltage cable assembly of the present utility model;
fig. 2 is a schematic structural view of an embodiment of the cable connection structure of the present utility model.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Referring to fig. 1 and 2, the present utility model proposes a cable connection structure 100, the cable connection structure 100 includes a cable 13 and a connection structure 11, the cable 13 includes a cable 13 body and a metal sheath 133, and the metal sheath 133 is sleeved on the outer peripheral side of the cable 13 body; the connection structure 11 comprises a plurality of conductive contact plates 111 and a fastener 115, the plurality of conductive contact plates 111 are arranged along the circumferential direction of the cable 13, the fastener 115 connects the plurality of conductive contact plates 111, the plurality of conductive contact plates 111 are enclosed to form a mounting cavity 15, and the cable 13 is detachably penetrated in the mounting cavity 15; one end of each conductive contact 111 is provided with a connection end 1115a, the connection end 1115a is used for being connected with the ground wire 300, one side of each conductive contact 111 facing the mounting cavity 15 is also provided with a contact 1111, and the contact 1111 is abutted with the outer wall of the metal sheath 133.
The cable connection structure 100 in this application includes connection structure 11 and cable 13, and cable 13 includes cable 13 body and metal sheath 133, and the periphery side of cable 13 body is located to metal sheath 133 cover, and metal sheath 133 can play the guard action to cable 13 body, also can prevent simultaneously that other substances such as dust from causing the destruction to cable 13 body. The connection structure 11 includes a plurality of conductive contact plates 111 arranged along the circumferential direction of the cable 13, and a fastener 115 for connecting the plurality of conductive contact plates 111 together by the fastener 11 to maintain structural stability thereof; the plurality of conductive touch panels 111 enclose and are formed with installation cavity 15, and cable 13 detachably wears to locate in the installation cavity 15, has made things convenient for its dismouting, need not to move the fire operation, has reduced operator's dismouting time and the danger when installing, has improved dismouting efficiency. The connection end 1115a on each conductive contact 111 is used for being connected with the ground wire 300 so as to be connected with a cable accessory fitting, one side, facing the mounting cavity 15, of each conductive contact 111 is provided with a contact 1111, and the contact 1111 is abutted with the outer wall of the metal sheath 133, so that stable electrical connection between the conductive contact 111 and the cable 13 is maintained, and stable electrical connection between the cable metal sheath and the cable accessory fitting can be ensured.
Referring to fig. 1 and 2, in an embodiment of the present utility model, the fastener 115 includes a constant force elastic member 117, and a receiving groove 1119 is formed on a side of each conductive contact 111 facing away from the mounting cavity 15, and the constant force elastic member 117 is detachably received in the plurality of receiving grooves 1119.
By providing the receiving groove 1119, the connection between the conductive contact plate 111 and the cable 13 can be made more stable. The accommodating groove 1119 is arranged on the side of the conductive contact plate 111 away from the mounting cavity 15, so that the constant force elastic piece 117 is better accommodated in the accommodating groove 1119; the constant force elastic member 117 is detachably accommodated in the plurality of accommodating grooves 1119, so that the contact 1111 can be more stably clamped to the cable 13, and stable electrical connection between the conductive contact plate 111 and the cable 13 is ensured. The quantity of the constant force elastic pieces 117 is at least two, and the constant force elastic pieces are arranged along the circumference of the plurality of conductive contact plates 111 and sleeved in the accommodating groove 1119, so that the stress of the conductive contact plates 111 is more balanced, the connection between the conductive contact plates and the cables 13 is more stable, meanwhile, the connection between the constant force elastic pieces 117 and the conductive contact plates 111 is detachable, the dismounting of the connection structure 11 is more convenient, and the dismounting efficiency is improved. In this embodiment, the constant force elastic member 117 may be a constant force spring.
Referring to fig. 1 and 2, in an embodiment of the present utility model, the fastener 115 further includes an elastic coil 113, each conductive contact 111 is provided with an upper end 1113 and a lower end 1115 disposed opposite to each other, the upper end 1113 and the lower end 1115 are provided with a through hole 1117 penetrating through left and right surfaces thereof, and the elastic coil 113 is sequentially connected in series through the plurality of conductive contacts 111, so that the plurality of conductive contacts 111 enclose to form the mounting cavity 15.
The upper end 1113 and the lower end 1115 of the conductive contact 111 may improve the overall aesthetic appearance of the connection structure 11, and may also facilitate the connection of the elastic coil 113 in series. Because the upper end 1113 and the lower end 1115 are respectively provided with a through hole 1117 penetrating through the left and right surfaces thereof, the elastic coil 113 can penetrate through the through holes 1117 to sequentially connect the plurality of conductive contact plates 111 in series, so that the plurality of conductive contact plates 111 are enclosed to form the mounting cavity 15, and the structural stability of the conductive contact plates 111 during connection can be ensured; meanwhile, a plurality of conductive contact plates 111 can be simultaneously abutted with the metal sheath 133, so that the abutting process is more convenient. In order to maintain the connection stability of the elastic coil 113 and the conductive contact plate 111, at least two first threaded holes are formed in the upper end 1113 and the lower end 1115 of the conductive contact plate 111, and fastening bolts are used to penetrate through the first threaded holes to fix the elastic coil 113, so that the connection stability of the elastic coil 113 and the conductive contact plate 111 can be maintained, and the installation intervals of a plurality of conductive contact plates 111 are ensured. The elastic coil 113 and the constant force elastic piece 117 can enable the fastener 115 to stably connect the plurality of conductive contact plates 111, and meanwhile the plurality of conductive contact plates 111 can be abutted against the metal sheath 133 more stably.
Referring to fig. 1 and 2, in an embodiment of the present utility model, the number of elastic coils 113 is one, and an elastic coil 113 passes through a plurality of through holes 1117 to serially connect a plurality of conductive contacts 111 in sequence. In this embodiment, the elastic coil 113 is formed by an elastic wire into a ring shape with a closed end, and it can be understood that one elastic coil 113 sequentially passes through the through holes 1117 on the plurality of conductive contacts 111 and sequentially connects the plurality of conductive contacts 111 in series, thereby ensuring structural stability when the plurality of conductive contacts 111 are connected.
Preferably, the number of the elastic coils 113 is at least two, and at least two elastic coils 113 are arranged at intervals along the longitudinal direction of the cable 13, and each elastic coil 113 passes through the through holes 1117 on the plurality of conductive contacts 111.
Referring to fig. 1 and 2, in other embodiments of the present utility model, the number of elastic coils 113 is plural, an elastic coil 113 is disposed between two adjacent conductive contacts 111, two adjacent elastic coils 113 are sleeved, and the plurality of elastic coils 113 pass through the through holes 1117 to serially connect the plurality of conductive contacts 111 in sequence. In this embodiment, a plurality of elastic coils 113 are adopted, and two adjacent elastic coils 113 can be connected in a sleeving or plugging manner, or can be connected by using a connecting sleeve, or can be connected in other manners with stability; an elastic coil 113 is disposed between two adjacent conductive contact plates 111, and the plurality of conductive contact plates 111 are sequentially connected in series by passing through the through holes 1117 by the plurality of elastic coils 113, so that the structural stability of the plurality of conductive contact plates 111 is ensured when connected.
It is to be understood that the material of the elastic coil 113 in the present application may be silica gel with conductive properties, or other materials with conductive properties and elastic properties, which is not limited herein.
Referring to fig. 1 and 2, in one embodiment of the present application, the upper end 1113 and/or the lower end 1115 are provided with a fool-proof threaded hole, and the connection structure 11 further includes a bolt that passes through the fool-proof threaded hole to form the connection end 1115a. The connection terminal 1115a is used to connect the ground wire 300, thereby maintaining a stable electrical connection between the conductive contact 111 and the ground wire 300. One end of the ground wire 300 is provided with a crimp terminal, the crimp terminal can be sleeved at the connecting end 1115a, and when the cable 13 drops, the ground wire 300 and the cable 13 can be stably connected.
Preferably, the upper end 1113 and the lower end 1115 are respectively provided with a foolproof threaded hole, so that when the installation is performed, the upper end 1113 and the lower end 1115 do not need to be distinguished, the installation difficulty is reduced, the installation time is saved, and the installation efficiency is improved.
Referring to fig. 1 and 2, in an embodiment of the present utility model, each conductive contact 111 is provided with at least two contacts 1111 spaced apart along the axial direction of the mounting cavity 15; the outer wall of the metal sheath 133 is provided with a spiral groove 1331, the spiral groove 1331 extends spirally along the enclosing direction of the plurality of conductive contact plates 111, and each contact 1111 is clamped in the spiral groove 1331.
The contact 1111 may abut against the outer wall of the metal sheath 133 to form an electrical circuit, thereby ensuring a stable electrical connection between the conductive contact plate 111 and the cable 13. Each conductive contact 111 is provided with two contacts 1111 along the axial direction of the mounting cavity 15, and is more stable when abutting against the metal sheath 133. Because the fastening bolts penetrate through the first threaded holes to fix the elastic coils 113, the spacing distance between the plurality of conductive contact plates 111 and the cable 13 is ensured, two contacts 1111 of each conductive contact plate 111 are arranged at intervals, and the intervals between two adjacent contacts 1111 of two adjacent conductive contact plates 111 are the same, so that the stress between the cable 13 and the plurality of conductive contact plates 111 is more uniform during clamping, a stable connection relationship can be maintained, stable electrical connection between the conductive contact plates 111 and the cable 13 is ensured, and the overall aesthetic property of the cable connection structure 100 is also improved. The outer wall of the metal sheath 133 is provided with a spiral groove 1331 which can be abutted against the contact 1111, so that the contact 1111 is not directly contacted with the cable body 131, and the loss of the cable body 131 is reduced. The extending direction of the spiral groove 1331 is consistent with the enclosing direction of the plurality of conductive contact plates 111, so that the installation between the contact 1111 and the spiral groove 1331 can be facilitated, stable electrical connection between the conductive contact plates 111 and the cable 13 is further maintained, the installation difficulty is reduced, and the installation efficiency is improved.
Referring to fig. 1 and 2, in an embodiment of the present application, a distance d between two contacts 1111 on each conductive contact plate 111 is defined, a pitch p between two adjacent spiral grooves 1331 extending along the enclosing direction of the conductive contact plate 111 is defined, and the relationship is satisfied: d=2p.
The distance between the two contacts 1111 on each conductive contact plate 111 is twice the pitch between the two adjacent spiral grooves 1331 extending along the enclosing direction of the conductive contact plate 111, so that the stability of the contacts 1111 when clamped with the spiral grooves 1331 is ensured. When the relationship between the distances thereof satisfies the above-described relationship, the electrical connection between the conductive contact plate 111 and the cable 13 can be made more stable, while also ensuring structural stability when each contact 1111 is connected with the spiral groove 1331.
Referring to fig. 1, the present utility model further provides a high voltage cable assembly 1000, which includes the cable connection structure 100, the accessory fitting 200 and the ground wire 300, where the specific structure of the cable connection structure 100 refers to the foregoing embodiments, and since the present high voltage cable 13 assembly adopts all the technical solutions of all the foregoing embodiments, at least all the beneficial effects brought by the technical solutions of the foregoing embodiments are not described herein again. Wherein, the accessory fitting 200 is sleeved on the periphery of the cable connection structure 100, and the accessory fitting 200 and the outer wall of the cable 13 of the cable connection structure 100 are enclosed to form a containing cavity 201, and the connection structure 11 of the cable connection structure 100 is positioned in the containing cavity 201; the ground wire 300 is disposed in the accommodating cavity 201, one end of the ground wire 300 is connected to the accessory fitting 200, and the other end of the ground wire 300 is connected to the connection end 1115a of the cable connection structure 100. One end of the ground wire 300 may be welded to the accessory fitting 200, and the crimp terminal of the other end is sleeved on the connection end 1115a of the cable connection structure 100, so that a stable electrical connection is provided between the conductive contact 111 and the cable 13 and between the accessory metals. The accessory fitting 200 and the outer wall of the cable 13 are enclosed to form an accommodating cavity 201 in which the connection structure 11 can be accommodated, so that the connection structure 11 is protected to a certain extent. Because the ground wire 300 is a flexible cable, it can be folded and placed, and at the same time, when the cable 13 is dropped, the connection between the ground wire 300 and the connection end 1115a is not affected, so that a stable electrical connection between the accessory fitting 200 and the conductive contact 111, that is, a stable electrical connection between the accessory metal and the cable 13 of the cable connection structure 100 is maintained.
When the high-voltage cable assembly 1000 is installed, the accessory fitting 200 is sleeved into the cable 13, then the connecting structure 11 which is connected in series and fixed in advance is sleeved into the cable 13, the fastener 115 is installed, and the ground wire 300 is fastened.
Referring to fig. 1, further, in an embodiment of the present utility model, the ground wire 300 is a flexible cable, and the flexible cable is disposed in the accommodating cavity 201 in a foldable manner.
Because the ground wire 300 in the present embodiment is a flexible cable, the ground wire 300 is disposed in the accommodating cavity 201 in a foldable manner, so that stable connection between the ground wire 300 and the connection end 1115a can be maintained when the cable 13 is dropped or displaced, stable electrical connection between the accessory fitting 200 and the conductive contact 111 is maintained, and stable electrical connection between the accessory fitting 200 and the cable 13 in the cable connection structure 100 is also maintained.
Referring to fig. 1, in an embodiment of the present application, the high voltage cable assembly 1000 further includes a cable outer sheath 400, a waterproof tape 500, and a heat shrinkage tube 600, wherein the cable outer sheath 400 is sleeved on an outer wall of the cable 13 and is spaced from the connection structure 11, and the accessory hardware 200 is sleeved on an outer peripheral side of a portion of the cable outer sheath 400; the waterproof tape 500 is provided at the junction of the accessory fitting 200 and the cable sheath 400, and the heat shrinkage tube 600 is sheathed on the outer circumferential side of the waterproof tape 500.
The cable outer sheath 400 can insulate the cable 13 from damage and meet various conditions of use and environmental requirements. The cable outer sheath 400 is sleeved on the outer wall of the cable 13 and is spaced from the connection structure 11, so that a larger space is provided between the connection structure 11 and the accessory fitting 200. The cable outer protective layer 400 can also resist the invasion of external corrosive media, prevent the contact between the metal sheath 133 and the external corrosive media, and prolong the service life of the cable 13; meanwhile, the cable 13 can be prevented from being mechanically damaged possibly in the running process, and can bear certain external force.
The waterproof tape 500 is used to seal the junction of the fitting 200 and the cable sheath 400, thereby preventing water from entering the inside during operation of the high-voltage cable assembly 1000 to affect it. When water enters the waterproof tape 500, it rapidly expands to prevent the water from spreading in the axial direction of the cable sheath 400, thereby achieving the purpose of axially waterproofing the high-voltage cable assembly 1000.
The waterproof tape 500 is disposed at the junction of the accessory fitting 200 and the cable sheath 400, and the heat shrinkage tube 600 covers and fixes the waterproof tape 500, and also can play an insulating role, maintaining the stability of the high voltage cable assembly 1000 when in operation.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. A cable connection structure, characterized in that the cable connection structure comprises:
the cable comprises a cable body and a metal sheath, wherein the metal sheath is sleeved on the outer peripheral side of the cable body; and
the connecting structure comprises a plurality of conductive contact plates and a fastener, wherein the conductive contact plates are arranged along the circumferential direction of the cable, the fastener is used for connecting the conductive contact plates, so that the conductive contact plates are enclosed to form a mounting cavity, and the cable is detachably penetrated in the mounting cavity; each conductive contact plate is provided with a connecting end, the connecting end is used for being connected with a ground wire, one side of each conductive contact plate, which faces the mounting cavity, is also provided with a contact, and the contact is abutted with the outer wall of the metal sheath.
2. The cable attachment of claim 1, wherein the fastener comprises a constant force spring, wherein a receiving groove is formed in a side of each of the conductive contact plates facing away from the mounting cavity, and the constant force spring is detachably received in a plurality of the receiving grooves.
3. The cable attachment of claim 1, wherein the fastener comprises an elastic coil, each of the conductive contacts has an upper end and a lower end disposed opposite to each other, the upper end and the lower end have through holes penetrating the left and right surfaces thereof, and the elastic coil is serially connected in sequence through the plurality of conductive contacts so that the plurality of conductive contacts enclose the mounting cavity.
4. A cable connection structure according to claim 3, wherein the number of said elastic coils is one, and a plurality of said conductive contacts are sequentially connected in series by passing said elastic coils through a plurality of said through holes;
or the number of the elastic coils is multiple, one elastic coil is arranged between two adjacent conductive contact plates, the two adjacent elastic coils are sleeved, and the elastic coils penetrate through the through holes to sequentially connect the conductive contact plates in series.
5. A cable connection according to claim 3, wherein the upper end portion and/or the lower end portion is provided with a fool-proof threaded hole, the connection further comprising a bolt passing through the fool-proof threaded hole to form the connection end.
6. The cable connection structure according to any one of claims 1 to 5, wherein each of the conductive contact plates is provided with at least two of the contacts arranged at intervals in an axial direction of the mounting cavity; the outer wall of the metal sheath is provided with a spiral groove, the spiral groove spirally extends along the enclosing direction of the conductive contact plates, and each contact is clamped in the spiral groove.
7. The cable connection of claim 6 wherein the distance between two of said contacts on each of said conductive contacts is defined as d and the pitch between two adjacent ones of said spiral grooves extending in the direction of the envelope of said conductive contacts is defined as p, satisfying the relationship: d=2p.
8. A high voltage cable assembly, the high voltage cable assembly comprising:
the cable connection structure according to any one of claims 1 to 7;
the accessory fitting is sleeved on the periphery of the cable connecting structure, and forms an accommodating cavity with the outer wall of the cable connecting structure, and the connecting structure of the cable connecting structure is positioned in the accommodating cavity; and
the ground wire is arranged in the accommodating cavity, one end of the ground wire is connected with the accessory fitting, and the other end of the ground wire is connected with the connecting end of the cable connecting structure.
9. The high voltage cable assembly of claim 8 wherein the ground wire is a flexible cable that is foldably disposed within the receiving cavity.
10. The high voltage cable assembly of claim 9, further comprising:
the cable outer protection layer is sleeved on the outer wall of the cable and is spaced from the connecting structure, and the accessory fitting is sleeved on the outer peripheral side of part of the cable outer protection layer;
the waterproof belt is arranged at the joint of the accessory fitting and the cable outer protective layer; and
and the heat shrinkage pipe is sleeved on the outer peripheral side of the waterproof belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222715247.4U CN218958522U (en) | 2022-10-11 | 2022-10-11 | Cable connection structure and high-voltage cable assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222715247.4U CN218958522U (en) | 2022-10-11 | 2022-10-11 | Cable connection structure and high-voltage cable assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218958522U true CN218958522U (en) | 2023-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222715247.4U Active CN218958522U (en) | 2022-10-11 | 2022-10-11 | Cable connection structure and high-voltage cable assembly |
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| CN (1) | CN218958522U (en) |
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- 2022-10-11 CN CN202222715247.4U patent/CN218958522U/en active Active
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| GR01 | Patent grant |