Low-voltage intensive bus duct joint plugging structure

Abstract

The invention relates to a low-voltage intensive bus duct joint plugging structure, which comprises a shell and a plugging seat, a conductor is arranged on the shell, is a core conductive part of the bus duct, is used for transmitting electric energy, and is a main bearing part of current; side plates are arranged at the positions, close to the conductors, of the shell, the side plates are located at the side edge positions of the conductors, and the bayonet socket is arranged at the side edge positions of the pair of side plates. According to the scheme, the positioning table is arranged on the shell, so that the bayonet socket can be accurately mounted, and mounting errors are reduced; through the matching design of the positioning table and the bayonet socket, the stability of the structure is enhanced, and the reliability of the bus duct joint in operation is guaranteed; the inner plate is bent towards the direction of the screw column through the cooperative effect of the limiting piece and the linkage seat by using the screw connection matching design of the screw column, the connecting sleeve I and the connecting sleeve II, so that the screw column is tightly limited; and the anti-shaking capability of the joint structure is improved, so that the stability of the insertion structure is improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of power transmission equipment, and particularly relates to a low-voltage dense bus duct joint plug-in structure. BACKGROUND

[0002] With the rapid development of the power system, the low-voltage dense bus duct, as a kind of efficient and reliable power transmission equipment, is widely applied to the power distribution system of industrial, commercial and civil buildings. The joint plug-in structure of the bus duct is a key component, which directly affects the stability, safety of power transmission and the convenience of installation and maintenance. In the prior art, a pair of low-voltage dense bus ducts are connected by a single connecting piece when they are butt-jointed. In the long-term installation, vibration or dynamic load environment, the connecting piece is prone to shaking or failure due to external force shaking, thereby reducing the overall stability of the system. In view of this, the application provides a low-voltage dense bus duct joint plug-in structure. SUMMARY

[0003] This section aims to summarize some aspects of the embodiments of the application and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of the specification to avoid obscuring the purpose of this section, abstract and title, and such simplifications or omissions cannot be used to limit the scope of the application.

[0004] In the prior art, a pair of low-voltage dense bus ducts are connected by a single connecting piece when they are butt-jointed. In the long-term installation, vibration or dynamic load environment, the connecting piece is prone to shaking or failure due to external force shaking, thereby reducing the overall stability of the system.

[0005] To solve the above technical problems, the application provides the following technical scheme: a low-voltage dense bus duct joint plug-in structure, comprising a shell and a plug-in seat; The shell is provided with a conductor, wherein the conductor is the core conductive part of the bus duct and is used for transmitting electric energy and is the main current carrying component; The shell is provided with a side plate near the conductor, the side plate is located at the side of the conductor, the plug-in seat is arranged at the side of a pair of side plates, the other side of the pair of side plates is provided with a positioning table, the positioning table is provided with a silk column, the silk column penetrates through the side plate and extends out of the plug-in seat; The plug-in seat is provided with a connecting sleeve one on the outer side, the connecting sleeve one is located at the outer periphery of the silk column, the connecting sleeve one is connected with the silk column, one side of the connecting sleeve one deviating from the side plate is provided with an extension cylinder, the other part of the extension cylinder is provided with a plurality of connecting pieces, and the circumferential surface of the extension cylinder is milled with a silk connection line; the connecting piece comprises an inner plate and an outer plate, and the inner plate is located at the inner edge of the outer plate. The extension cylinder of the adapter sleeve one is externally provided with an adapter sleeve two, and the inner edge of the adapter sleeve two is milled with a screw thread, and the adapter sleeve two is screwedly matched with the extension cylinder; the inner edge of the adapter sleeve two is externally provided with a limiting piece.

[0006] As a preferred technical scheme of the low-voltage dense bus duct joint plug-in structure, the upper opening inner edge of the adapter sleeve two is externally provided with a shielding part; the adapter sleeve two and the limiting piece are screwedly matched, and the shielding part limits the top end of the screwing part of the limiting piece; the limiting piece is externally provided with an operating section; the operating section of the limiting piece is externally provided with a screw thread; and the operating section of the limiting piece is externally provided with a screw thread.

[0007] As a preferred technical scheme of the low-voltage dense bus duct joint plug-in structure, the extension cylinder of the adapter sleeve one is externally provided with an adapter sleeve two, and the inner edge of the adapter sleeve two is milled with a screw thread, and the adapter sleeve two is screwedly matched with the extension cylinder; the inner edge of the adapter sleeve two is externally provided with a limiting piece.

[0008] As a preferred technical scheme of the low-voltage dense bus duct joint plug-in structure, the extension cylinder of the adapter sleeve one is externally provided with an adapter sleeve two, and the inner edge of the adapter sleeve two is milled with a screw thread, and the adapter sleeve two is screwedly matched with the extension cylinder; the inner edge of the adapter sleeve two is externally provided with a limiting piece.

[0009] As a preferred technical scheme of the low-voltage dense bus duct joint plug-in structure, the extension cylinder of the adapter sleeve one is externally provided with an adapter sleeve two, and the inner edge of the adapter sleeve two is milled with a screw thread, and the adapter sleeve two is screwedly matched with the extension cylinder; the inner edge of the adapter sleeve two is externally provided with a limiting piece.

[0010] As a kind of low-voltage dense bus duct joint plug-in structure preferred technical scheme, the slope seat one is milled with limit edge one and linkage edge one, the slope seat two is milled with limit edge two and linkage edge two, linkage edge one is in linkage edge two when touching, at this moment, the outer plate will be bent, limit edge one and limit edge two touch, the position of limiting piece can be limited.

[0011] As a kind of low-voltage dense bus duct joint plug-in structure preferred technical scheme, the limit edge two is provided with convex strip two, and the limit edge one is provided with convex strip one;Convex strip one and convex strip two when touching, the rotation movement between limiting piece and adapter sleeve one can be limited, one side of the convex strip one is slope edge, wherein the slope edge is the rotation edge when combined.

[0012] As a kind of low-voltage dense bus duct joint plug-in structure preferred technical scheme, the filigree of the inner edge of the adapter is defined as the filigree part, a plurality of long groove paths are arranged at the position of the inner edge of the adapter, the long groove paths split the filigree part on the single inner plate into several groups, and the long groove paths are provided with a contact strip, and the contact strip is gel type, after the adapter sleeve one is combined, the contact strip on the adapter is tightly attached to the silk column by the limiting piece, so as to improve the limitation of the inner plate.

[0013] As a kind of low-voltage dense bus duct joint plug-in structure preferred technical scheme, the inner edge of the part deviating from the adapter sleeve one is provided with a boss, the boss is milled with side edge one and side edge two, one side of the boss outward is side edge one, and one side of the boss inward is side edge two.

[0014] As a kind of low-voltage dense bus duct joint plug-in structure preferred technical scheme, the arc between the side edge one inclined downward and the side edge two is X, the arc between the side edge one inclined upward and the side edge two is Y, and the boss is in the filigree of the silk column by the arrangement of the side edge one and the side edge two.

[0015] The beneficial effects of the present application are as follows: The present application ensures accurate installation of the plug-in seat by arranging the positioning table on the shell, reduces installation error;The cooperation of the positioning table and the plug-in seat enhances the stability of the structure, ensures the reliability of the bus duct joint in operation;And the silk connection of the silk column, the adapter sleeve one and the adapter sleeve two, through the cooperation of the limiting piece and the linkage seat, the inner plate is bent to the silk column, the tight limitation of the silk column is realized;The anti-shaking ability of the joint structure is improved, so as to improve the stability of the plug-in structure. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings. Among them: Figure 1 It is a schematic diagram of the overall structure of the present application.

[0017] Figure 2 It is a schematic diagram of the present application based on Figure 1 The cross-sectional view of the connector.

[0018] Figure 3 It is a schematic diagram of the adapter sleeve one and the adapter sleeve two of the present application.

[0019] Figure 4 It is a schematic diagram of the present application based on Figure 3 The cross-sectional view.

[0020] Figure 5 It is a schematic diagram of the present application based on Figure 4 The schematic diagram of A in the middle.

[0021] Figure 6 It is an exploded schematic diagram of the adapter sleeve one, the adapter sleeve two and the limiting piece of the present application.

[0022] Figure 7 It is a schematic diagram of the adapter of the present application.

[0023] Figure 8 It is a schematic diagram of the boss of the present application.

[0024] Figure 9 It is a schematic diagram of the present application based on Figure 8 The cross-sectional view.

[0025] Figure 10 It is a schematic diagram of the silk column and the boss connection of the present application.

[0026] Figure 11 It is a schematic diagram of the slope seat two of the present application.

[0027] Figure 12 It is a schematic diagram of the slope seat one of the present application.

[0028] Reference signs: 100, housing; 101, conductor; 102, positioning table; 103, wire column; 104, disconnecting groove two; 200, plug-in base; 201, side plate; 300, adapter sleeve one; 301, adapter; 302, inner plate; 302a, wire pattern part; 302b, long groove; 302c, contact strip; 303, outer plate; 304, boss; 304a, side one; 304b, side two; 400, adapter sleeve two; 401, shielding part; 500, limiting part; 600, linkage seat; 700, limiting part; 701, slope seat one; 701a, limiting edge one; 701b, convex strip one; 701c, linkage edge one; 702, slope seat two; 702a, limiting edge two; 702b, convex strip two; 702c, linkage edge two; 703, disconnecting groove one. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0030] In the following description, a large number of specific details are set forth in order to facilitate a thorough understanding of the present application, but the present application can also be implemented in other ways different from the description, and those skilled in the art can make similar generalizations without departing from the concept of the present application, therefore the present application is not limited to the specific embodiments disclosed below.

[0031] Secondly, "one embodiment" or "embodiment" referred to herein means that a specific feature, structure or characteristic can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor does it mean an embodiment that is separate or selectively excluded from other embodiments.

[0032] Thirdly, the present application is described in detail in conjunction with the schematic diagram, and in the detailed description of the embodiments of the present application, the cross-sectional view of the device structure is partially enlarged without general proportion for the convenience of description, and the schematic diagram is only an example, which should not limit the scope of protection of the present application. In addition, three-dimensional spatial dimensions including length, width and depth should be included in actual manufacture.

[0033] Embodiments, with reference to Figure 1 , 2 , 3 and 7, a low-voltage dense bus duct joint plug-in structure, comprising a housing 100 and a plug-in base 200; The housing 100 is provided with a conductor 101, wherein the conductor 101 is the core conductive part of the bus duct, used for transmitting electric energy, and is the main current carrying component; The side plate 201 is arranged at the side of the conductor 101, and the socket 200 is arranged at the side of the pair of side plates 201. The positioning table 102 is arranged at the other side of the pair of side plates 201, and the screw column 103 is arranged on the positioning table 102 and penetrates through the side plate 201 and extends out of the socket 200. The adapter sleeve one 300 is arranged on the outer side of the socket 200, and the screw thread is arranged in the adapter sleeve one 300. The adapter sleeve one 300 is arranged at the outer periphery of the screw column 103 and is screw-connected with the screw column 103. The extension cylinder is arranged at one side of the adapter sleeve one 300, a plurality of adapter pieces 301 are arranged at the other part of the extension cylinder, and the screw thread is milled on the peripheral surface of the extension cylinder. The adapter piece 301 comprises the inner plate 302 and the outer plate 303, and the inner plate 302 is arranged at the inner side of the outer plate 303. The adapter sleeve two 400 is arranged at the outer side of the extension cylinder of the adapter sleeve one 300, the screw thread is milled on the inner side of the adapter sleeve two 400, and the adapter sleeve two 400 is screw-connected with the extension cylinder. The limiting piece 500 is arranged at the inner side of the adapter sleeve two 400. Referring to Figure 5 and 6 , the shielding part 401 is arranged at the inner side of the upper opening of the adapter sleeve two 400. The adapter sleeve two 400 is screw-connected with the limiting piece 500, and the shielding part 401 limits the top end of the screw-connected part of the limiting piece 500. The operating section is arranged at the upper side of the limiting piece 500 and extends out of the adapter sleeve two 400, so that the tool can be conveniently matched for the later maintenance work. The screw thread is milled on the outermost contour of the limiting piece 500, and the screw thread of the limiting piece 500 is screw-connected with the inner side screw thread of the adapter sleeve two 400.

[0034] Referring to Figure 3 and 6 , the disconnection groove two 104 is milled on the peripheral surface of the part of the screw column 103 extending out of the adapter sleeve two 400 and the limiting piece 500. The disconnection groove two 104 is not arranged at the joint position of the adapter sleeve one 300 and the screw column 103, so as to ensure the stability of the joint of the adapter sleeve one 300 and the screw column 103. The space is left between the inner side of the upper half of the limiting piece 500 and the middle position of the screw column 103, so as to facilitate the normal passing of the screw column 103. The bottom end of the limiting piece 500 is arranged at the position of the inner plate 302, the inner plate 302 is curved inward, and the screw column 103 is limited.

[0035] Referring to Figure 5 , the linkage seat 600 is arranged on the peripheral surface of the inner plate 302 and is arranged at the middle position of the inner plate 302 and the limiting piece 500. When the adapter sleeve two 400 and the limiting piece 500 are combined on the adapter sleeve one 300, the limiting piece 500 pushes the linkage seat 600 and links the inner plate 302 to be curved towards the screw column 103.

[0036] With reference to Figure 4 , 5 and 6, the outer plate 303 is configured with a limiting member 700 at the middle position of the limiting member 500, wherein the limiting member 700 is used to limit the state of the outer plate 303 and the limiting member 500, and can limit the state of the inward bending of the inner plate 302; when the second connecting sleeve 400 is operated, the limiting member 500 will be synchronously linked and embedded into the middle position of the inner plate 302 and the outer plate 303; the limiting member 700 includes a slope seat one 701 and a slope seat two 702, the slope seat one 701 is arranged on the inner edge of the outer plate 303, and the slope seat two 702 is arranged on the peripheral surface of the limiting member 500; by means of the slope seat one 701 and the slope seat two 702, the overall combination can be protected from being affected by the shaking factor; the slope seat two 702 is intermittently distributed at equal angles with respect to the peripheral surface of the limiting member 500, and the slope seat two 702 is disconnected between two slope seat two 702, when the second connecting sleeve 400 changes to the edge position of the first connecting sleeve 300, at this moment, the slope seat one 701 will cooperate with the corresponding slope seat two 702; the neutral position of the two adjacent slope seat two 702 is a space, wherein the slope seat one 701 is linked to resist the outer plate 303 under the action of the slope seat two 702, the outer plate 303 will bend towards the outward direction, so that the slope seat one 701 can move to the corresponding space position of the slope seat two 702.

[0037] Maintenance step: the tool suitable for the size of the convex part of the limiting member 500 is used to limit the convex part of the limiting member 500, and the tool suitable for the outer periphery of the second connecting sleeve 400 is used to correspond to the outer periphery of the second connecting sleeve 400, and the tool outside the second connecting sleeve 400 is twisted, then the limiting member 500 is twisted, adjusted to the position corresponding to the disconnected groove one 703 and the slope seat one 701, at this moment, a force away from the first connecting sleeve 300 direction is applied to the limiting member 500, which can be taken out, and the first connecting sleeve 300 is operated by screwing.

[0038] With reference to Figure 11 and 12, slope seat one 701 on the milling set limit edge one 701a and linkage edge one 701c, slope seat two 702 on the milling set limit edge two 702a and linkage edge two 702c, linkage edge one 701c in linkage edge two 702c when the touch, at this moment the outer plate 303 will be bent, limit edge one 701a and limit edge two 702a touch, can limit the position of the limiting piece 500; limit edge two 702a is configured with convex strip two 702b, limit edge one 701a is configured with convex strip one 701b; convex strip one 701b and convex strip two 702b in touch, can limit the rotation between the limiting piece 500 and the adapter sleeve one 300. In the shape characteristics of slope seat one 701 and slope seat two 702, it is ensured that the reverse flow effect can be achieved after docking, linkage edge one 701c and linkage edge two 702c in touch, make the outer plate 303 bend, facilitate the continuous movement of the limiting piece 500; convex strip one 701b and convex strip two 702b in touch, can limit the rotation between the limiting piece 500 and the adapter sleeve one 300, in the overall combination, limit edge one 701a and limit edge two 702a do not exist touch relationship, convex strip one 701b and convex strip two 702b in the overall combination will not produce other factors, in maintenance, the adapter sleeve two 400 outside the limiting piece 500 is operated first, then the limiting piece 500 is operated, wherein the limiting piece 500 will not be affected by the silk connection with the adapter sleeve two 400 in the rotation operation, at this moment the limiting piece 500 can adjust the slope seat one 701 and the disconnected ditch one 703 to the corresponding state; one side of convex strip one 701b is slope, wherein the slope is the rotation edge in combination.

[0039] Referring to Figure 7 , the silk thread path inside the adapter 301 is defined as silk thread part 302a, and the inner edge position of the adapter 301 is configured with a plurality of long groove 302b, which divides the silk thread part 302a on the single inner plate 302 into several groups, and the long groove 302b is provided with a contact strip 302c, which is a gel type. After the adapter sleeve one 300 is combined, the contact strip 302c on the adapter 301 is tightly attached to the silk column 103 by the limiting piece 500, so as to improve the limiting property of the inner plate 302.

[0040] Referring to Figure 8 , 9And 10, the inner plate 302 deviates from the part of the adapter sleeve 300, and the boss 304 is arranged on the inner side of the part; the boss 304 is milled with side one 304a and side two 304b, the side one 304a is the side of the boss 304 facing outward, and the side two 304b is the side of the boss 304 facing inward; the arc between the side one 304a which is inclined downward and the side two 304b is X, and the arc between the side one 304a which is inclined upward and the side two 304b is Y; the boss 304 is arranged in the silk thread of the silk column 103 by the arrangement of the side one 304a and the side two 304b.

[0041] It is understood that in the development of any actual implementation, numerous implementation-specific decisions can be made. Such development efforts might be complex and time-consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art having the benefit of this disclosure, without undue experimentation.

[0042] It should be noted that the above examples are only used to illustrate the technical solutions of the present application but not limit the present application, and although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present application, and all of them should be covered in the scope of the claims of the present application.

Claims

1. A low-voltage, high-density busbar trunking connector plug-in structure, characterized in that: Includes a housing (100) and a socket (200); A conductor (101) is disposed on the outer shell (100), and a positioning platform (102) is disposed in both the upper and lower outer shells of the outer shell (100). The outer casing (100) is provided with a side plate (201) near the conductor (101), the side plate (201) is located on the side of the conductor (101), the plug socket (200) is placed on the side of the pair of side plates (201), and a positioning platform (102) is provided on the other side of the pair of side plates (201). A threaded post (103) is provided on the positioning platform (102), the threaded post (103) passes through the side plate (201) and extends out of the plug socket (200); The plug-in socket (200) has a connecting sleeve (300) on its outward-facing side. The connecting sleeve (300) is located on the outer periphery of the threaded post (103) and is threadedly connected to the threaded post (103). An extension tube is arranged on the side of the connecting sleeve (300) that is away from the side plate (201). Several connecting parts (301) are arranged on the other part of the extension tube. The circumferential surface of the extension tube is milled with threaded texture. The connecting part (301) includes an inner plate (302) and an outer plate (303). The inner plate (302) is located at the inner edge of the outer plate (303). Connecting sleeve one (300) is provided with connecting sleeve two (400) outside the extension cylinder, and the inner edge of connecting sleeve two (400) is milled with threaded texture, and connecting sleeve two (400) is threadedly connected to the extension cylinder; the inner edge of connecting sleeve two (400) is provided with a limiting member (500).

2. The low-voltage dense busbar trunking connector plug-in structure according to claim 1, characterized in that: The upper opening of the connecting sleeve 2 (400) is provided with a blocking part (401); the connecting sleeve 2 (400) and the limiting member (500) are threaded together; the upper part of the limiting member (500) has an operating section extending outward, the operating section of the limiting member (500) extends outward from the connecting sleeve 2 (400), and the outermost contour of the limiting member (500) is milled with a threaded pattern, the threaded pattern of the limiting member (500) and the threaded pattern of the inner edge of the connecting sleeve 2 (400) are matched.

3. The low-voltage dense busbar trunking connector plug-in structure according to claim 1, characterized in that: The circumferential surface of the threaded rod (103) extending beyond the connecting sleeve (400) and the limiting member (500) is milled with a second disconnecting groove (104), and the docking position of the connecting sleeve (300) and the threaded rod (103) does not have the second disconnecting groove (104); the inner edge of the upper half of the limiting member (500) and the middle position of the threaded rod (103) are left with space.

4. The low-voltage dense busbar trunking connector plug-in structure according to claim 1, characterized in that: The inner plate (302) is provided with a linkage seat (600) on its circumferential surface, and the linkage seat (600) is located in the middle position between the inner plate (302) and the limiting member (500).

5. The low-voltage dense busbar trunking connector plug-in structure according to claim 1, characterized in that: A limiting member (700) is disposed at the middle position between the outer plate (303) and the limiting member (500). The limiting member (700) includes a first slope seat (701) and a second slope seat (702). The first slope seat (701) is installed on the inner edge of the outer plate (303), and the second slope seat (702) is installed on the circumferential surface of the limiting member (500). The second slope seats (702) are intermittently distributed at equal angles with respect to the circumferential surface of the limiting member (500), and there is a disconnected channel (703) between each pair of second slope seats (702).

6. The low-voltage dense busbar trunking connector plug-in structure according to claim 5, characterized in that: The slope seat one (701) is milled with a limiting edge one (701a) and a linkage edge one (701c), and the slope seat two (702) is milled with a limiting edge two (702a) and a linkage edge two (702c).

7. The low-voltage dense busbar trunking connector plug-in structure according to claim 6, characterized in that: The second limiting edge (702a) is provided with a second protrusion (702b), and the first limiting edge (701a) is provided with a first protrusion (701b), one side of the first protrusion (701b) being a slope edge.

8. The low-voltage dense busbar trunking connector plug-in structure according to claim 1, characterized in that: The textured surface of the inner edge of the connector (301) is defined as the textured portion (302a). A number of long grooves (302b) are arranged at the inner edge of the connector (301). The long grooves (302b) divide the textured portion (302a) on a single inner plate (302) into several groups. A contact strip (302c) is installed in the long groove (302b). The contact strip (302c) is gel-type.

9. The low-voltage dense busbar trunking connector plug-in structure according to claim 1, characterized in that: The inner plate (302) is provided with a boss (304) at the inner edge of the part that deviates from the connecting sleeve (300). The boss (304) is milled with a side edge (304a) and a side edge (304b). The side of the boss (304) facing outward is side edge (304a), and the side of the boss (304) facing inward is side edge (304b).

10. The low-voltage dense busbar trunking connector plug-in structure according to claim 9, characterized in that: The arc between the downward-sloping side of side one (304a) and side two (304b) is X, and the arc between the upward-sloping side of side one (304a) and side two (304b) is Y.

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