CN213243509U - Power cable intermediate joint - Google Patents
Power cable intermediate joint Download PDFInfo
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- CN213243509U CN213243509U CN202022336343.9U CN202022336343U CN213243509U CN 213243509 U CN213243509 U CN 213243509U CN 202022336343 U CN202022336343 U CN 202022336343U CN 213243509 U CN213243509 U CN 213243509U
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- power cable
- sleeve
- cable
- intermediate joint
- conductor
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Abstract
The utility model relates to a power cable intermediate head, include: the cable connecting assembly comprises a conductor connecting sleeve for fixing a part of a cable with one end peeled off and a conductor connecting piece suitable for being connected with the conductor connecting sleeve in a matching mode; the middle joint sleeve comprises a pair of connecting ends which are suitable for connecting a pair of conductor connecting sleeves respectively included by the cable connecting components in a one-to-one correspondence mode. The utility model discloses a power cable intermediate head can improve the convenient high efficiency of assembly between power cable's the part.
Description
Technical Field
The utility model relates to a cable junction technical field particularly, relates to a power cable intermediate head.
Background
The assembling mode among the components of the power cable intermediate joint not only directly influences the assembling efficiency of the whole power cable intermediate joint, but also directly influences the assembling requirement of the power cable intermediate joint. In some cases, the power cable intermediate joint needs to be assembled on site, and in consideration of the limitation of assembly conditions during field assembly, the convenience of assembly among components is particularly required.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a power cable intermediate head to solve the technical problem who improves the convenient high efficiency of assembly between each part of power cable intermediate head.
The utility model discloses a power cable intermediate head is realized like this:
a power cable intermediate joint, comprising:
the cable connecting assemblies are symmetrically arranged and comprise conductor connecting sleeves for fixing the part of a cable with one end peeled off and conductor connecting pieces suitable for being matched and connected with the conductor connecting sleeves;
the middle joint sleeve comprises a pair of connecting ends which are suitable for connecting a pair of conductor connecting sleeves respectively included by the cable connecting components in a one-to-one correspondence mode.
In a preferred embodiment of the present invention, the conductor connector includes:
the annular connecting sleeve penetrates through a central cavity along the axial direction of the annular connecting sleeve;
at least one pair of concave grooves are formed on the outer wall of the annular connecting sleeve in a concave mode at intervals;
the at least one pair of lock catches are embedded in the concave grooves in a one-to-one corresponding mode; the lock catch comprises a mounting portion suitable for being embedded in the concave groove and a lock hook connected with the mounting portion.
In the preferred embodiment of the present invention, the sidewall of the annular connecting sleeve is further provided with a notch adapted to extend out of the latch hook into the central cavity after penetrating through the latch hook.
In a preferred embodiment of the present invention, the latch hook includes a connecting portion connected to the mounting portion, and a protruding hook bent and connected to an end of the connecting portion away from the mounting portion;
the convex hook is raised relative to the connecting part so that the convex hook and the connecting part are in an L-shaped structure.
In a preferred embodiment of the present invention, the conductor connecting sleeve includes a body and a retaining shaft integrally connected to the body and adapted to be inserted into a central cavity of the conductor connecting member; and
the connecting end is fixedly sleeved with the outer wall of the body.
In a preferred embodiment of the present invention, at least one pair of bosses adapted to be engaged with at least one pair of latches in a one-to-one correspondence is protruded from a circumferential side wall of the retaining shaft.
In a preferred embodiment of the present invention, the power cable intermediate joint further includes a stress cone sleeved on the outer skin of the portion of the cable close to the conductor connecting sleeve, and a cone support assembly connected to one end of the stress cone far from the conductor connecting sleeve; wherein
The cone support assembly comprises a supporting part connected with the stress cone, a plurality of compression springs connected with the supporting part in an abutting mode, and a bottom support connected with one end, far away from the supporting part, of each compression spring in an abutting mode.
In a preferred embodiment of the present invention, the supporting portion and the bottom support are provided with connecting holes communicated with the inner hole of the compression spring; and
the connecting holes respectively positioned on the supporting part and the bottom support are suitable for the compression bolts to pass through so as to realize the compression and the connection among the bottom support, the compression spring and the supporting part.
In a preferred embodiment of the present invention, the power cable intermediate joint further includes a covering sleeve adapted to be covered outside the stress cones included in the intermediate connecting sleeve and the pair of cable connecting assemblies, respectively; and
the power cable intermediate head still include with the awl that clamp bolt offseted and suit on the sheath of cable holds in the palm the safety cover.
In a preferred embodiment of the present invention, the cone support protecting cover comprises a base body coated outside the cone support assembly, an outward turning part connected with one end of the base body in the axial direction by an outward turning manner, and an inward turning part connected with the other end of the base body in the axial direction by an inward turning manner; wherein
The outward turning part is turned towards the direction far away from the cable, and the inward turning part is turned towards the cable direction;
the outward turning part is suitable for being matched and fixed with one axial end of the cone support protective cover; and
the inward turning part is suitable for abutting against the compression bolt;
one end of the inward turning part, which is far away from the compression bolt, is matched and connected with a metal shielding connecting ring sleeved on the cable sheath.
Compared with the prior art, the embodiment of the utility model provides a following beneficial effect has: the utility model discloses a power cable intermediate head, cable coupling assembling fixes the one end of cable, links up the cover in the middle of the rethread and realizes the transition linking between the cable that cable coupling assembling fixes respectively, so, can carry out the assembling of substep nature to holistic power cable intermediate head and accomplish different modular structure.
Further, the hasp that the conductor connecting piece includes, this hasp is including being suitable for the dress to inlay the assembly part in the depressed groove of annular adapter sleeve, and the latch hook that links to each other with the assembly part, the utility model discloses accessible latch hook realizes the spacing locking to the stopping axle of conductor adapter sleeve, and at this in-process, only need through latch hook and stopping between the axle join in marriage the separation that can realize conductor connecting piece and conductor adapter sleeve with the separation join in marriage with joining in marriage with the separation, only need directly stir the hasp at this in-process can, need not realize the operation to the hasp through unnecessary instrument, the convenient high efficiency of whole operation, applicable in power cable intermediate head carry out direct assembly operation at mill or use scene, application scope is wide.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 shows a schematic diagram of a three-dimensional structure of a power cable intermediate joint provided by the present invention
Fig. 2 shows a schematic view of an internal structure of a power cable intermediate joint provided by the present invention at a first viewing angle;
FIG. 3 is an enlarged view of section K of FIG. 2;
fig. 4 shows a first schematic diagram of a partial structure of a power cable intermediate joint provided by the present invention;
fig. 5 shows a schematic view of an internal structure of a power cable intermediate joint provided by the present invention at a second viewing angle;
fig. 6 shows a schematic diagram ii of a partial structure of the power cable intermediate joint provided by the present invention;
fig. 7 is a first view structural diagram of a conductor connecting member of an intermediate joint of a power cable provided by the present invention;
fig. 8 is a second view structural diagram of a conductor connecting member of an intermediate joint of a power cable according to the present invention;
fig. 9 is a third view structural diagram of a conductor connecting member of an intermediate joint of a power cable provided by the present invention;
fig. 10 is a fourth view structural diagram of a conductor connecting member of an intermediate joint of a power cable according to the present invention;
fig. 11 shows a schematic structural view of an annular connecting sleeve of a conductor connecting member of a power cable intermediate joint provided by the present invention;
fig. 12 is a schematic structural view illustrating a lock catch of a conductor connecting member of an intermediate joint of a power cable according to the present invention;
fig. 13 is a schematic view illustrating a first view structure of a power cable middle joint structure according to the present invention in a state where a conductor connecting member and a conductor connecting sleeve are connected;
fig. 14 is a schematic view illustrating a second view structure of the power cable middle joint structure according to the present invention in a state where the conductor connecting member and the conductor connecting sleeve are connected;
FIG. 15 is a schematic sectional view taken along line A of FIG. 14;
fig. 16 shows a schematic structural diagram of a conductor connecting sleeve of a power cable middle joint structure provided by the present invention.
In the figure: the cable connector comprises an annular connecting sleeve 1, a concave groove 2, a central cavity 3, a notch 5, a notch 7, an assembling part 8, a connecting part 9, a convex hook 10, a body 11, a retaining shaft 12, a boss 13, a cable A, a male end 21, a female end 22, a stress cone 23, a bearing part 25, a compression spring 26, a bottom support 27, a connector sleeve 28, a compression bolt 29, a metal shielding connecting ring 31, a coating sleeve 30, a base body 32, an outward turning part 33, an inward turning part 35 and an outer sleeve 36.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
Referring to fig. 1 and 16, the present embodiment provides a power cable intermediate joint, including: a pair of symmetrically arranged cable connecting components and a middle connecting sleeve. The cable connecting assembly comprises a conductor connecting sleeve and a conductor connecting piece, wherein the conductor connecting sleeve is used for fixing a part of one end of a cable A which is peeled, the conductor connecting piece is suitable for being matched and connected with the conductor connecting sleeve, in the process of assembling the cable A, the outer skin of one end of the cable A is peeled, and then the cable A with the outer skin removed is matched and fixed with the conductor connecting sleeve. The intermediate adapter sleeve comprises a pair of connection ends adapted to connect the conductor connection sleeves comprised by the pair of cable connection assemblies, respectively, in a one-to-one correspondence, where the end of the intermediate adapter sleeve connecting one of the conductor connection sleeves of the pair of cable connection assemblies is defined as a male end 21, and the end of the intermediate adapter sleeve connecting the other conductor connection sleeve of the pair of cable connection assemblies is defined as a female end 22.
In more detail, the conductor connector of the embodiment includes an annular connecting sleeve 1, at least one pair of concave grooves 2 arranged on the annular connecting sleeve 1, and at least one pair of latches connected with the at least one pair of concave grooves 2. In conjunction with the drawings of the present embodiment, a pair of two concave grooves 2 and a pair of latches connected to the pair of concave grooves 2 are symmetrically disposed on the annular connecting sleeve 1. The annular connecting sleeve 1 is made of, for example, but not limited to, a metal copper material.
Specifically, the annular connecting sleeve 1 of the present embodiment has a central cavity 3 penetrating through along the axial direction thereof; a pair of concave grooves 2 are formed on the outer wall of the annular connecting sleeve 1 in a concave mode at intervals; it should be noted that the concave groove 2 is not communicated with the central cavity 3. The pair of lock catches are embedded in the concave grooves 2 in a one-to-one correspondence manner; the latch comprises a mounting portion 8 adapted to fit in the recess 2, and a latch hook connected to the mounting portion 8.
In addition, it should be noted that a notch 5 suitable for the latch hook to penetrate and then extend into the central cavity 3 is further formed in the side wall of the annular connecting sleeve 1. A notch 7 which is communicated with the notch 5 and is suitable for the lock hook to pass through is also arranged in the concave groove 2. That is, the notch 7 is communicated with the notch 5, so that the latch hook can partially and gradually extend into the central cavity 3, and the movement track of the latch hook is not limited by the matching of the assembling part 8 and the concave groove 2 in the process of the movement of the latch hook.
Considering that the assembly part 8 can move synchronously along with the locking hook without separating from the concave groove 2 in the process that the locking hook moves from the outer wall of the annular connecting sleeve 1 to the central cavity 3, the assembly part 8 of the embodiment adopts a cylindrical structure; and the section of the concave groove 2 is of an arc-shaped structure. Note that the fitting portion 8 is interference-fitted with the concave groove 2, and the fitting portion 8 is adapted to rotate in the concave groove 2. The condition that assembly portion 8 breaks away from in the depressed groove 2 can not appear along with the in-process of latch hook motion in interference fit's the condition for assembly portion 8, and assembly portion 8 can also rotate in depressed groove 2 moreover, and here only needs to exert certain stirring effort to the latch hook, can make latch hook and assembly portion 8 move together through stirring under the condition of latch hook.
In more detail, the latch hook of the present embodiment includes a connecting portion 9 connected to the mounting portion 8, and a convex hook 10 connected to an end of the connecting portion 9 away from the mounting portion 8; the male hook 10 is raised relative to the connection portion 9 such that the male hook 10 and the connection portion 9 are in an L-shaped configuration. It should also be noted here that the male hook 10 is bent toward the central cavity 3 with respect to the connecting portion 9. The significance of this design is that when the conductor connector of the present embodiment is applied to the connection structure of the power cable a, the male hook 10 can be effectively coupled to other structures after the central cavity 3 is coupled to other structures.
In an alternative embodiment, the end surface of the convex hook 10 facing the central cavity 3 is an arc surface, and the arc surface is mainly used for keeping a good fit contact effect with other components when the conductor connector of the present embodiment is applied to the connection structure of the power cable a.
Still further, the conductor connecting sleeve of the present embodiment includes a body 11 and a retaining shaft 12 integrally connected to the body 11 and adapted to be inserted into the central cavity 3 of the conductor connecting member. The male end 21 is fixedly sleeved with the outer wall of the body 11, and the body 11 can be connected with the male end 21 or the female end 22 in a threaded manner.
More specifically, a pair of bosses 13 adapted to be fitted with a pair of latches in a one-to-one correspondence is convexly provided on the circumferential side wall of the retaining shaft 12. In detail, the convex hook 10 of the lock catch is suitable for being matched with the end face, facing the conductor connecting sleeve, of the boss 13 in a clamping and embedding manner.
That is to say, in the process of adapting the conductor connecting piece and the conductor connecting sleeve, the stopping shaft 12 is inserted into the central cavity 3 of the conductor connecting piece, and then the locking hook is shifted, so that the convex hook 10 of the locking hook extends into the central cavity 3 along the notch 5, and finally the convex hook 10 can be adapted to the boss 13, at this time, the stopping shaft 12 cannot be separated from the central cavity 3 through the matching of the convex hook 10 and the boss 13, so that the adapting connection of the conductor connecting sleeve and the conductor connecting piece is realized.
The power cable intermediate joint of the embodiment further comprises a stress cone 23 sleeved on the outer skin of the part, close to the conductor connecting sleeve, of the cable A, and a cone support assembly connected with one end, far away from the conductor connecting sleeve, of the stress cone 23; the cone support assembly comprises a supporting part 25 connected with the stress cone 23, a plurality of compression springs 26 connected with the supporting part 25 in an abutting mode, and a bottom support 27 connected with one end, far away from the supporting part 25, of the compression springs 26 in an abutting mode. It should be noted that, a joint sleeve 28 is also integrally injection-molded on the outer sheath of the cable a by an epoxy resin material, and one end of the stress cone 23 facing the conductor connecting sleeve abuts against the joint sleeve 28.
It should be further noted that the supporting portion 25 and the bottom support 27 are provided with connecting holes communicated with the inner hole of the compression spring 26; and attachment holes on the support 25 and shoe 27, respectively, are adapted for passage of a compression bolt 29 to effect a compression fit between the shoe 27, compression spring 26 and support 25. In this way, under the elastic action of the compression spring 26, the effect of maintaining the compression between the stress cone 23 and the joint sleeve 28 can be achieved.
In addition, the power cable intermediate joint of the present embodiment further includes a covering sleeve 30 adapted to be covered outside the stress cones included in the intermediate splicing sleeve and the pair of cable connection assemblies, respectively; and the power cable intermediate joint also comprises a cone support protective cover which is propped against the compression bolt 29 and is sleeved on the cable sheath. In detail, the cone support protective cover comprises a base body 32 coated outside the cone support assembly, an outward turning part 33 connected with one axial end of the base body 32 in an outward turning way, and an inward turning part 35 connected with the other axial end of the base body 32 in an inward turning way; wherein the outer turned part 33 is turned towards a direction away from the cable and the inner turned part 35 is turned towards the cable; the outward turning part 33 is suitable for being matched and fixed with one axial end of the cone support protective cover; and the in-turned part 35 is adapted to abut against the hold-down bolt 29; the end of the turned-in part 33 facing away from the hold-down bolt 29 is fitted with a metal shield connection ring 31 fitted around the cable sheath.
Finally, in an alternative embodiment, the power cable intermediate joint of the present embodiment further comprises an outer sleeve 36 forming a protective layer on the outside of the integral power cable intermediate joint. The outer sleeve 36 is sleeved on the outer sides of the cone support protective cover and the metal shielding connecting ring 31 respectively included in the covering sleeve 30 and the pair of cable connecting components.
The above embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above embodiments are only examples of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (10)
1. A power cable intermediate joint, comprising:
the cable connecting assemblies are symmetrically arranged and comprise conductor connecting sleeves for fixing the part of a cable with one end peeled off and conductor connecting pieces suitable for being matched and connected with the conductor connecting sleeves;
the middle joint sleeve comprises a pair of connecting ends which are suitable for connecting a pair of conductor connecting sleeves respectively included by the cable connecting components in a one-to-one correspondence mode.
2. The power cable intermediate joint of claim 1, wherein the conductor connector comprises:
the annular connecting sleeve penetrates through a central cavity along the axial direction of the annular connecting sleeve;
at least one pair of concave grooves are formed on the outer wall of the annular connecting sleeve in a concave mode at intervals;
the at least one pair of lock catches are embedded in the concave grooves in a one-to-one corresponding mode; the lock catch comprises a mounting portion suitable for being embedded in the concave groove and a lock hook connected with the mounting portion.
3. The power cable intermediate joint as claimed in claim 2, wherein the side wall of the annular connecting sleeve is further provided with a notch adapted to extend into the central cavity after the latch hook penetrates through the notch.
4. The power cable intermediate joint according to claim 2, wherein the latch hook comprises a connecting portion connected to the fitting portion, and a convex hook bent and connected to an end of the connecting portion away from the fitting portion;
the convex hook is raised relative to the connecting part so that the convex hook and the connecting part are in an L-shaped structure.
5. A power cable intermediate joint according to claim 1, wherein the conductor connection sleeve comprises a body and a backstop shaft integrally connected to the body and adapted to be inserted into a central cavity in the conductor connector; and
the connecting end is fixedly sleeved with the outer wall of the body.
6. The power cable intermediate joint of claim 5, wherein at least one pair of bosses adapted to be fitted with at least one pair of latches in a one-to-one correspondence is protruded from a circumferential side wall of the retaining shaft.
7. The power cable intermediate joint of claim 1, wherein the cable connection assembly further comprises a stress cone sleeved on the outer skin of the portion of the cable near the conductor connection sleeve, and a cone support assembly connected to an end of the stress cone remote from the conductor connection sleeve; wherein
The cone support assembly comprises a supporting part connected with the stress cone, a plurality of compression springs connected with the supporting part in an abutting mode, and a bottom support connected with one end, far away from the supporting part, of each compression spring in an abutting mode.
8. The power cable intermediate joint of claim 7, wherein the support portion and the bottom support are provided with connecting holes communicated with the inner hole of the compression spring; and
the connecting holes respectively positioned on the supporting part and the bottom support are suitable for the compression bolts to pass through so as to realize the compression and the connection among the bottom support, the compression spring and the supporting part.
9. A power cable intermediate joint according to claim 8, further comprising a sheathing sleeve adapted to be sheathed outside the stress cone comprised by the intermediate splicing sleeve and the pair of cable connection assemblies, respectively; and
the power cable intermediate head still include with the awl that clamp bolt offseted and suit on the sheath of cable holds in the palm the safety cover.
10. The power cable intermediate joint according to claim 9, wherein the cone support protective cover comprises a base body covering the outside of the cone support assembly, an outward turned portion connected to one axial end of the base body in an outward turned manner, and an inward turned portion connected to the other axial end of the base body in an inward turned manner; wherein
The outward turning part is turned towards the direction far away from the cable, and the inward turning part is turned towards the cable direction;
the outward turning part is suitable for being matched and fixed with one axial end of the cone support protective cover; and
the inward turning part is suitable for abutting against the compression bolt;
one end of the inward turning part, which is far away from the compression bolt, is matched and connected with a metal shielding connecting ring sleeved on the cable sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022336343.9U CN213243509U (en) | 2020-10-19 | 2020-10-19 | Power cable intermediate joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022336343.9U CN213243509U (en) | 2020-10-19 | 2020-10-19 | Power cable intermediate joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213243509U true CN213243509U (en) | 2021-05-18 |
Family
ID=75879458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022336343.9U Active CN213243509U (en) | 2020-10-19 | 2020-10-19 | Power cable intermediate joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213243509U (en) |
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2020
- 2020-10-19 CN CN202022336343.9U patent/CN213243509U/en active Active
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