Adjustable telescopic bus duct

Abstract

The utility model relates to the technical field of bus ducts, in particular to an adjustable telescopic bus duct which comprises a bus duct body, a cover plate assembly is detachably arranged on the top of the bus duct body, symmetrical fixing blocks are arranged on the outer end faces of the two ends of the bus duct body, and inserting grooves are formed in the fixing blocks in a penetrating mode. The fixing block is provided with a first fixing hole which is communicated with the inserting groove and can allow the fixing bolt to be inserted, a butt joint groove is formed in the end face of the top of the fixing block, and a first connecting hole which is communicated with the butt joint groove and can allow the connecting bolt to be inserted is formed in the end face of the outer side of the top of the fixing block. Accommodating grooves are symmetrically formed in the inner side end faces of the two ends of the bus duct main body, connecting blocks are arranged on the inner side walls of the accommodating grooves, and bus telescopic joints are slidably connected in the accommodating grooves, the length of the bus duct main body can be adjusted according to needs, and the applicability of the bus duct main body is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bus ducts, and in particular to an adjustable telescopic bus duct. Background Art

[0002] The bus duct is a closed metal device composed of copper and aluminum busbars, which is used to distribute high power to various components of the distributed system. It has increasingly replaced wires and cables in indoor low-voltage power transmission trunk projects. In the process of using the busbar, in order to protect the busbar, the busbar is separated and installed using bus ducts to reduce the possibility of damage to the busbar during use.

[0003] The length of the existing bus duct cannot be adjusted according to the length of the busbar during use, thereby reducing the practicality of the bus duct. Utility Model Content

[0004] The utility model aims to provide an adjustable telescopic bus duct in view of the defects of the prior art, so as to solve the problem that the length of the bus duct cannot be adjusted according to the length of the busbar during use, thereby reducing the practicability of the bus duct.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An adjustable telescopic bus duct comprises a bus duct body, a cover plate assembly is detachably provided on the top of the bus duct body, symmetrical fixing blocks are provided on the outer end surfaces at both ends of the bus duct body, a plug-in slot is provided through the fixing block, a first fixing hole connected to the plug-in slot and capable of being plugged in with a fixing bolt is provided on the fixing block, a docking slot is provided on the top end surface of the fixing block, a first connecting hole connected to the docking slot and capable of being plugged in with a connecting bolt is provided on the top outer end surface of the fixing block, accommodating slots are symmetrically provided on the inner end surfaces at both ends of the bus duct body, a connecting block is provided on the inner side wall of the accommodating slot, and a bus expansion joint is slidably connected in the accommodating slot;

[0007] A connecting groove that matches the connecting block is provided on the outer end surface of the busbar expansion joint, and protective plates are symmetrically provided on both sides of one end of the busbar expansion joint. A fastening groove is provided on the top end surface of the protective plate, and a plug-in plate that can pass through the plug-in slot is provided on the inner end surface of the protective plate. A plurality of second fixing holes that are evenly distributed and connected to the first fixing hole are provided on the plug-in plate. A limiting plate that can limit the displacement of the plug-in plate is provided on the end of the plug-in plate away from the protective plate extending to the outside of the plug-in slot, and a first guide plate is provided on the inner end surface of the limiting plate.

[0008] In order to improve the stability of the displacement of the plug-in board in the plug-in slot, a first guide slot capable of allowing the first guide plate to displace is provided on the outer end surface of the bus duct body.

[0009] As a preferred technical solution of the utility model, the cover plate assembly includes a main cover plate, and the outer end surfaces at both ends of the main cover plate are symmetrically provided with docking columns with bottoms that can be inserted into the docking grooves, and the docking columns are penetrated by a second connecting hole connected to the first connecting hole, and the top end surface of the main cover plate is symmetrically provided with first fastening holes for fastening bolts to be inserted on both sides, and the bottom end surfaces at both ends of the main cover plate are symmetrically provided with mounting grooves that are connected to the first fastening holes, and the two inner side walls of the mounting groove are symmetrically provided with second guide grooves, and the cover plate telescopic joint is slidably connected in the mounting groove.

[0010] As a preferred technical solution of the utility model, a second fastening hole connected to the first fastening hole is opened on the top end surface of the cover plate expansion joint, and second guide plates matching the second guide groove are symmetrically provided on both sides of one end of the cover plate expansion joint, and a baffle is provided on the other end of the cover plate expansion joint, and fastening columns that can be inserted into the fastening groove are symmetrically provided on both sides of the bottom end surface of the baffle.

[0011] As a preferred technical solution of the utility model, insulating fixing frames are provided on the top end surface of the bus duct body and the top end surface of the bus expansion joint.

[0012] As a preferred technical solution of the utility model, a driving handle is provided on the bottom end surface of the busbar expansion joint.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] When in use, first align the docking column on the main cover plate with the docking groove on the bus duct body and plug them in. When the docking column is plugged into the bottom of the docking groove, the fastening column on the cover plate expansion joint is plugged into the fastening groove on the bus expansion joint. At this time, the second connecting hole on the docking column is connected to the first connecting hole on the fixing block. Insert the connecting bolts into the first connecting hole and the second connecting hole to fix them, thereby completing the installation of the cover plate assembly, the bus duct body and the bus expansion joint.

[0015] When it is necessary to adjust the length of the bus duct body, first loosen the fastening bolt to disengage the connection with the first fastening hole and the second fastening hole, then loosen the fixing bolt to disengage the connection with the first fixing hole and the second fixing hole, and the staff pulls the driving handle to drive the bus expansion joint to move, and while the bus expansion joint moves, the cover plate expansion joint is driven to move synchronously. When the length of the bus duct body is adjusted to the required length, the fixing bolt is inserted into the connected first fixing hole and the second fixing hole, and the bus duct body and the bus expansion joint can be fixed after the length is adjusted, thereby completing the length adjustment of the bus duct body. The utility model can adjust the length of the bus duct body as needed, which greatly improves the applicability of the bus duct body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the utility model after length adjustment;

[0018] Figure 3 It is a structural schematic diagram of the bus duct main body of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the busbar expansion joint of the utility model;

[0020] Figure 5 This is a connection diagram of the plug-in board, the limit plate and the first guide plate of the utility model;

[0021] Figure 6 It is a structural schematic diagram of the cover plate assembly of the utility model;

[0022] Figure 7 It is a structural schematic diagram of the main cover plate of the utility model;

[0023] Figure 8 It is a structural schematic diagram of the cover plate expansion joint of the utility model;

[0024] In the figure: 1. bus duct body; 101. fixing block; 102. plug-in slot; 103. first fixing hole; 104. docking slot; 105. first connecting hole; 106. accommodating slot; 107. connecting block; 108. first guide slot; 2. bus expansion joint; 201. protective plate; 202. plug-in plate; 203. second fixing hole; 204. limit plate; 205. connecting slot; 206. fastening slot; 207. driving handle; 208. first guide plate; 3. main cover plate; 301. mounting slot; 302. first fastening hole; 303. docking column; 304. second connecting hole; 305. second guide slot; 4. cover plate expansion joint; 401. baffle; 402. fastening column; 403. second guide plate; 404. second fastening hole; 5. fixing bolt; 6. connecting bolt; 7. fastening bolt; 8. insulating fixing frame. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0026] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] Example

[0028] Combination Figure 1-8 As shown, an adjustable telescopic bus duct comprises a bus duct body 1, a cover plate assembly is detachably provided on the top of the bus duct body 1, accommodating grooves 106 are symmetrically provided on the inner end surfaces at both ends of the bus duct body 1, a connecting block 107 is provided on the inner wall of the accommodating groove 106, a bus expansion joint 2 is slidably connected in the accommodating groove 106, and an insulating fixing frame 8 for mounting a conductive bar is provided on the top end surface of the bus expansion joint 2 and the top end surface of the bus duct body 1. The utility model can adjust the length of the bus duct body 1 as needed, which greatly improves the applicability of the bus duct body 1.

[0029] like Figure 3 The bus duct body 1 shown in the figure has symmetrical fixing blocks 101 on the outer end surfaces at both ends of the bus duct body 1, and the fixing block 101 is penetrated by a plug-in slot 102, and the fixing block 101 is provided with a first fixing hole 103 which is connected with the plug-in slot 102 and can be inserted with a fixing bolt 5, and a docking slot 104 is provided on the top end surface of the fixing block 101, and a first connecting hole 105 which is connected with the docking slot 104 and can be inserted with a connecting bolt 6 is provided on the top outer end surface of the fixing block 101.

[0030] The outer end surface of the bus duct body 1 is provided with a first guide groove 108 for displacement of the first guide plate 208 . The arrangement of the first guide plate 208 and the first guide groove 108 improves the displacement stability of the plug-in board 202 in the plug-in slot 102 .

[0031] Combination Figure 4-5The busbar expansion joint 2 shown in the figure has a connection groove 205 that fits with the connection block 107 on the outer end surface of the busbar expansion joint 2. The connection groove 205 and the connection block 107 are arranged to improve the stability of the busbar expansion joint 2 during displacement. The busbar expansion joint 2 has a protective plate 201 integrally formed therewith symmetrically arranged on both sides of one end. The top end surface of the protective plate 201 has a fastening groove 206 with a cross-shaped structure. The inner end surface of the protective plate 201 has a fastening groove 206 that can pass through the plug-in slot 1 02, the plug board 202 is penetrated by a plurality of second fixing holes 203 evenly distributed and connected to the first fixing hole 103, one end of the plug board 202 away from the protective plate 201 extends to the outside of the plug slot 102 and is provided with a limit plate 204 capable of limiting the displacement of the plug board 202, the inner end face of the limit plate 204 is provided with a first guide plate 208, and the first guide plate 208, the limit plate 204 and the plug board 202 are connected by welding.

[0032] A driving handle 207 is provided on the bottom end surface of the busbar expansion joint 2 . The driving handle 207 is provided to facilitate the staff to drive the busbar expansion joint 2 when adjusting the length of the busbar duct body 1 .

[0033] Combination Figure 6-7 As shown, the cover plate assembly includes a main cover plate 3, and the outer end surfaces at both ends of the main cover plate 3 are symmetrically provided with docking columns 303 whose bottoms can be plugged into the docking grooves 104. Through the arrangement of the docking columns 303 and the docking grooves 104, the connection strength between the main cover plate 3 and the bus duct body 1 is improved, and the docking columns 303 are penetrated with a second connecting hole 304 connected with the first connecting hole 105, and the top end surfaces of the main cover plate 3 are symmetrically provided with first fastening holes 302 for fastening bolts 7 to be plugged in. The bottom end surfaces at both ends of the main cover plate 3 are symmetrically provided with mounting grooves 301 connected with the first fastening holes 302, and the inner side walls of the mounting grooves 301 are symmetrically provided with second guide grooves 305 with a trapezoidal structure, and the cover plate telescopic joint 4 is slidably connected in the mounting groove 301.

[0034] like Figure 8 The cover expansion joint 4 shown in the figure has a second fastening hole 404 connected to the first fastening hole 302 on the top end surface of the cover expansion joint 4, and second guide plates 403 matched with the second guide groove 305 are symmetrically provided on both sides of one end of the cover expansion joint 4. The second guide plate 403 and the second guide groove 305 are arranged to improve the stability of the displacement of the cover expansion joint 4 in the main cover 3. A baffle 401 is provided at the other end of the cover expansion joint 4, and fastening columns 402 that can be inserted into the fastening groove 206 are symmetrically provided on both sides of the bottom end surface of the baffle 401. The fastening columns 402 and the fastening groove 206 are arranged to improve the connection strength between the cover expansion joint 4 and the busbar expansion joint 2.

[0035] The working principle of the adjustable telescopic bus duct of the utility model is:

[0036] When in use, first align the docking column 303 on the main cover plate 3 with the docking groove 104 on the bus duct body 1 for plugging. When the docking column 303 is plugged into the bottom of the docking groove 104, the fastening column 402 on the cover plate expansion joint 4 is plugged into the fastening groove 206 on the bus expansion joint 2. At this time, the second connecting hole 304 on the docking column 303 is connected to the first connecting hole 105 on the fixing block 101, and the connecting bolt 6 is plugged into the first connecting hole 105 and the second connecting hole 304 for fixing, thereby completing the installation of the cover plate assembly, the bus duct body 1 and the bus expansion joint 2.

[0037] When it is necessary to adjust the length of the bus duct body 1, first loosen the fastening bolt 7 to disengage the connection with the first fastening hole 302 and the second fastening hole 404, then loosen the fixing bolt 5 to disengage the connection with the first fixing hole 103 and the second fixing hole 203, and the staff pulls the driving handle 207 to drive the bus expansion joint 2 to move, and while the bus expansion joint 2 is moving, it drives the cover plate expansion joint 4 to move synchronously. When the length of the bus duct body 1 is adjusted to the required length, the fixing bolt 5 is inserted into the connected first fixing hole 103 and the second fixing hole 203, and the bus duct body 1 and the bus expansion joint 2 can be fixed after the length is adjusted, thereby completing the length adjustment of the bus duct body 1. The utility model can adjust the length of the bus duct body 1 as needed, which greatly improves the applicability of the bus duct body 1.

[0038] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. An adjustable telescopic bus duct, comprising a bus duct body (1), characterized in that: The top of the bus duct body (1) is detachably provided with a cover plate assembly, and symmetrical fixing blocks (101) are provided on the outer end surfaces at both ends of the bus duct body (1), and a plug-in slot (102) is provided through the fixing block (101), and a first fixing hole (103) is provided on the fixing block (101) and is connected to the plug-in slot (102) and can be plugged with a fixing bolt (5), and a docking slot (104) is provided on the top end surface of the fixing block (101), and a first connecting hole (105) is provided on the top outer end surface of the fixing block (101) and is connected to the docking slot (104) and can be plugged with a connecting bolt (6), and symmetrically provided with accommodating slots (106) on the inner end surfaces at both ends of the bus duct body (1), and a connecting block (107) is provided on the inner side wall of the accommodating slot (106), and a bus expansion joint (2) is slidably connected in the accommodating slot (106); A connection groove (205) that fits with the connection block (107) is provided on the outer end surface of the busbar expansion joint (2); a protective plate (201) is symmetrically provided on both sides of one end of the busbar expansion joint (2); a fastening groove (206) is provided on the top end surface of the protective plate (201); a plug-in plate (202) that can pass through the plug-in slot (102) is provided on the inner end surface of the protective plate (201); a plurality of evenly distributed second fixing holes (203) that are connected to the first fixing hole (103) are provided on the plug-in plate (202); a limiting plate (204) that can limit the displacement of the plug-in plate (202) is provided at one end of the plug-in plate (202) away from the protective plate (201) and extends to the outer side of the plug-in slot (102); a first guide plate (208) is provided on the inner end surface of the limiting plate (204).

2. The adjustable telescopic bus duct according to claim 1, characterized in that: A first guide groove (108) capable of allowing the first guide plate (208) to move is provided on the outer end surface of the bus duct body (1).

3. The adjustable telescopic bus duct according to claim 1, characterized in that: The cover plate assembly comprises a main cover plate (3), the outer end surfaces at both ends of the main cover plate (3) are symmetrically provided with docking posts (303) at the bottom which can be plugged into the docking groove (104), the docking posts (303) are penetrated with a second connection hole (304) which is connected with the first connection hole (105), the top end surface of the main cover plate (3) is symmetrically provided with first fastening holes (302) which can be plugged with fastening bolts (7), the bottom end surfaces at both ends of the main cover plate (3) are symmetrically provided with mounting grooves (301) which are connected with the first fastening holes (302), the inner side walls of the mounting groove (301) are symmetrically provided with second guide grooves (305), and the mounting groove (301) is slidably connected with a cover plate telescopic joint (4).

4. The adjustable telescopic bus duct according to claim 3, characterized in that: A second fastening hole (404) communicating with the first fastening hole (302) is provided on the top end surface of the cover plate expansion joint (4); second guide plates (403) matching with the second guide groove (305) are symmetrically provided on both sides of one end of the cover plate expansion joint (4); a baffle plate (401) is provided on the other end of the cover plate expansion joint (4); and fastening columns (402) capable of being inserted into the fastening groove (206) are symmetrically provided on both sides of the bottom end surface of the baffle plate (401).

5. The adjustable telescopic bus duct according to claim 1, characterized in that: An insulating fixing frame (8) is provided on the top end surface of the bus duct body (1) and the top end surface of the bus expansion joint (2).

6. The adjustable telescopic bus duct according to claim 1, characterized in that: A driving handle (207) is provided on the bottom end surface of the busbar expansion joint (2).

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