Extensible bus duct

Abstract

The utility model relates to the technical field of bus ducts, and discloses an extensible bus duct, which solves the problem that the existing bus duct cannot be extended to adjust the length, and comprises a duct body, an expansion slot is movably sleeved in the duct body, an adjusting mechanism is arranged between the expansion slot and the duct body, and a limiting mechanism is arranged on the adjusting mechanism. The adjusting mechanism comprises a top plate fixed to the top of the groove body, the outer side of the top plate is fixedly connected with a second U-shaped round rod, the outer side of the second U-shaped round rod is movably sleeved with a sleeve plate, and the outer side of the expansion groove is symmetrically and fixedly connected with two sliding blocks; according to the utility model, through the cooperation between the rotating disc and the driving shaft and the cooperation between the driving gear and the driven gear, the supporting shaft can conveniently drive the top disc to rotate, and through the cooperation between the movable rod and the sleeve plate and the cooperation between the second U-shaped round rod and the first U-shaped round rod, the two sliding blocks can conveniently slide in the two sliding grooves respectively, so that the expansion groove can move horizontally; therefore, the length of the whole bus duct can be adjusted conveniently.

Description

Technical Field

[0001] The utility model belongs to the technical field of bus ducts, and particularly relates to an expandable bus duct. Background Art

[0002] A bus duct is a closed metal device composed of copper and aluminum busbars, used to distribute relatively high power to each component of a decentralized system, and has increasingly replaced wire and cable in indoor low-voltage power transmission main line engineering projects.

[0003] The existing bus duct is of a metal structure, and the produced length is unchangeable. When most bus ducts are used to transmit electricity, it is necessary to measure the actual required length of the bus duct, so as to select a bus duct with a suitable length. If the existing bus duct does not match the measured length, it is necessary to customize the bus duct again, resulting in a significant reduction in the installation efficiency of the bus duct project. Summary of the Utility Model

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an expandable bus duct, effectively solving the problem that the current bus duct cannot be expanded to adjust the length.

[0005] To achieve the above object, the utility model provides the following technical solution: An expandable bus duct, including a trough body, an expansion trough is movably sleeved inside the trough body, an adjusting mechanism is arranged between the expansion trough and the trough body, and a limiting mechanism is arranged on the adjusting mechanism;

[0006] The adjusting mechanism includes a top plate fixed to the top of the trough body, a second U-shaped round rod is fixedly connected to the outside of the top plate, a sleeve plate is movably sleeved on the outside of the second U-shaped round rod, two sliders are symmetrically and fixedly connected to the outside of the expansion trough, two chutes are symmetrically arranged on the outside of the trough body, the two sliders are respectively slidably connected to the two chutes, and a first U-shaped round rod is fixedly connected between the two sliders, and the sleeve plate is fixedly sleeved on the middle part of the outside of the first U-shaped round rod.

[0007] Preferably, a support shaft is rotatably connected to the top of the top plate, a top disc is rotatably connected to the top end of the support shaft, a movable rod is rotatably connected to the top of the top disc, and the end of the movable rod away from the top disc is rotatably connected to the top of the sleeve plate.

[0008] Preferably, a driving shaft is rotatably connected to the top of the top plate, a turntable is fixedly installed at the top end of the driving shaft, a driving gear is fixedly installed on the outside of the driving shaft, a driven gear is fixedly installed on the outside of the support shaft, and the driven gear is meshed with the driving gear.

[0009] Preferably, the limiting mechanism includes an L-shaped plate fixed to the top of the trough body. The driving shaft passes through the L-shaped plate and is rotatably connected to the L-shaped plate. An L-shaped round rod is fixedly connected between the L-shaped plate and the top plate. A sliding plate is movably sleeved on the outer side of the L-shaped round rod. A spring is fixedly connected between the sliding plate and the L-shaped plate, and the spring is sleeved on the outer side of the L-shaped round rod.

[0010] Preferably, a support wheel located on the top of the top plate is provided at the bottom of the sliding plate. A plug rod is fixedly installed on one side of the sliding plate close to the driving shaft, and a handle is fixedly installed on the side of the sliding plate far from the driving shaft.

[0011] Preferably, an outer ring is fixedly sleeved on the outer side of the driving shaft. A plurality of jacks are evenly provided on the outer side of the outer ring. The inner diameter values of each jack are equal to the outer diameter value of the plug rod, and the plug rod is inserted into the corresponding jack.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] (1) In the present utility model, through the cooperation between the turntable, the driving shaft, the driving gear and the driven gear, it is convenient for the support shaft to drive the top plate to rotate, and through the cooperation between the movable rod, the sleeve plate, the second U-shaped round rod and the first U-shaped round rod, it is convenient for the two sliders to slide in the two chute respectively, and then the expansion slot can be horizontally moved, so as to facilitate the adjustment of the length of the whole busbar chute.

[0014] (2) In this new type, through the cooperation between the L-shaped round rod, the L-shaped plate, the spring and the sliding plate, it is convenient for the plug rod to be inserted into the corresponding jack to limit the driving shaft, avoiding any rotation of the driving shaft, so as to facilitate the fixation of the movement of the expansion slot. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model, and do not constitute a limitation to the present utility model.

[0016] In the drawings:

[0017] Figure 1 is a schematic structural diagram of the expandable busbar chute of the present utility model;

[0018] Figure 2 is a schematic structural diagram of the adjusting mechanism of the present utility model;

[0019] Figure 3 is a schematic structural diagram of the limiting mechanism of the present utility model.

[0020] In the figure: 1. Tank body; 2. Adjusting mechanism; 201. Top plate; 202. Slide block; 203. U-shaped round rod 1; 204. U-shaped round rod 2; 205. Sleeve plate; 206. Movable rod; 207. Top disc; 208. Turntable; 209. Driving shaft; 2010. Driving gear; 2011. Driven gear; 2012. Support shaft; 3. Limiting mechanism; 301. L-shaped plate; 302. Outer ring; 303. Spring; 304. Slide plate; 305. L-shaped round rod; 306. Handle; 307. Support wheel; 308. Insert rod; 309. Insert hole; 4. Expansion slot; 5. Slide groove. Specific implementation mode

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments; based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Embodiment 1 is given by Figure 1 The present utility model includes a tank body 1, an expansion slot 4 is movably sleeved inside the tank body 1, an adjusting mechanism 2 is arranged between the expansion slot 4 and the tank body 1, and a limiting mechanism 3 is arranged on the adjusting mechanism 2.

[0023] Specifically, it is given by Figure 2 The adjusting mechanism 2 includes a top plate 201 fixed to the top of the tank body 1, a U-shaped round rod 204 is fixedly connected to the outside of the top plate 201, a sleeve plate 205 is movably sleeved on the outside of the U-shaped round rod 204, two slide blocks 202 are symmetrically and fixedly connected to the outside of the expansion slot 4, two slide grooves 5 are symmetrically arranged on the outside of the tank body 1, the two slide blocks 202 are respectively slidably connected to the two slide grooves 5, a U-shaped round rod 203 is fixedly connected between the two slide blocks 202, the sleeve plate 205 is fixedly sleeved on the middle part of the outside of the U-shaped round rod 203, a support shaft 2012 is rotatably connected to the top of the top plate 201, the top end of the support shaft 2012 is rotatably connected to a top disc 207, a movable rod 206 is rotatably connected to the top of the top disc 207, and the end of the movable rod 206 far from the top disc 207 is rotatably connected to the top of the sleeve plate 205. A driving shaft 209 is rotatably connected to the top of the top plate 201, a turntable 208 is fixedly installed at the top end of the driving shaft 209, a driving gear 2010 is fixedly installed on the outside of the driving shaft 209, a driven gear 2011 is fixedly installed on the outside of the support shaft 2012, and the driven gear 2011 is meshed with the driving gear 2010;

[0024] In the use state, first rotate the turntable 208 to drive the drive shaft 209 to rotate, and drive the drive gear 2010 to rotate. Since the drive gear 2010 is meshed with the driven gear 2011, the support shaft 2012 is driven to rotate. At this time, the top plate 207 rotates, and then drives the sleeve plate 205 to slide along the U-shaped round rod two 204 through the movable rod 206, and then drives the two sliders 202 to slide in the two chutes 5 respectively through the U-shaped round rod one 203. At the same time, the expansion slot 4 moves horizontally, and finally the adjustment of the length of the entire busbar is realized.

[0025] Specifically, it is given by Figure 3 The limiting mechanism 3 includes an L-shaped plate 301 fixed to the top of the groove body 1. The drive shaft 209 penetrates through the L-shaped plate 301 and is rotationally connected to the L-shaped plate 301. An L-shaped round rod 305 is fixedly connected between the L-shaped plate 301 and the top plate 201. A sliding plate 304 is movably sleeved on the outer side of the L-shaped round rod 305. A spring 303 is fixedly connected between the sliding plate 304 and the L-shaped plate 301. The spring 303 is sleeved on the outer side of the L-shaped round rod 305. A support wheel 307 located on the top of the top plate 201 is provided at the bottom of the sliding plate 304. By setting the support wheel 307, it plays a role in supporting the sliding plate 304 and ensures the stability of the sliding plate 304 during movement. A plug rod 308 is fixedly installed on one side of the sliding plate 304 close to the drive shaft 209, and a handle 306 is fixedly installed on the side of the sliding plate 304 away from the drive shaft 209. An outer ring 302 is fixedly sleeved on the outer side of the drive shaft 209. A plurality of jacks 309 are evenly provided on the outer side of the outer ring 302. The inner diameter values of the respective jacks 309 are equal to the outer diameter value of the plug rod 308, and the plug rod 308 is inserted into the corresponding jack 309;

[0026] In the use state, first pull the handle 306 to drive the sliding plate 304 to slide along the L-shaped round rod 305 and away from the L-shaped plate 301. At this time, the spring 303 is stretched, and at the same time, the plug rod 308 moves until it disengages from the corresponding jack 309, releasing the limiting effect on the drive shaft 209. Then rotate the drive shaft 209 to make the expansion slot 4 move horizontally. When the drive shaft 209 finishes rotating, then release the control of the handle 306. At this time, the spring 303 resets to drive the sliding plate 304 to slide along the L-shaped round rod 305 and close to the L-shaped plate 301, and then drives the plug rod 308 to move until it is inserted into the corresponding jack 309 to limit the drive shaft 209 to prevent it from rotating arbitrarily, and finally realizes the fixation after the expansion slot 4 moves.

Claims

1. An expandable bus duct, comprising a duct body (1), characterized in that: The trough body (1) is internally movably sleeved with an expansion slot (4), an adjustment mechanism (2) is provided between the expansion slot (4) and the trough body (1), and a limiting mechanism (3) is provided on the adjustment mechanism (2); The adjustment mechanism (2) comprises a top plate (201) fixed to the top of the trough body (1); a second U-shaped round rod (204) is fixedly connected to the outside of the top plate (201); a sleeve plate (205) is movably sleeved to the outside of the second U-shaped round rod (204); two sliders (202) are symmetrically fixedly connected to the outside of the expansion slot (4); two slide grooves (5) are symmetrically arranged on the outside of the trough body (1); the two sliders (202) are slidably connected to the two slide grooves (5) respectively; a first U-shaped round rod (203) is fixedly connected between the two sliders (202); and the sleeve plate (205) is fixedly sleeved to the middle part of the outside of the first U-shaped round rod (203).

2. The expandable bus duct according to claim 1, characterized in that: The top of the top plate (201) is rotatably connected to a support shaft (2012), the top end of the support shaft (2012) is rotatably connected to a top plate (207), the top of the top plate (207) is rotatably connected to a movable rod (206), and one end of the movable rod (206) away from the top plate (207) is rotatably connected to the top of the sleeve plate (205).

3. The expandable bus duct according to claim 1, characterized in that: The top of the top plate (201) is rotatably connected to a driving shaft (209), a rotating disk (208) is fixedly mounted on the top of the driving shaft (209), a driving gear (2010) is fixedly mounted on the outer side of the driving shaft (209), a driven gear (2011) is fixedly mounted on the outer side of the supporting shaft (2012), and the driven gear (2011) is meshingly connected with the driving gear (2010).

4. The expandable bus duct according to claim 1, characterized in that: The limiting mechanism (3) comprises an L-shaped plate (301) fixed to the top of the trough body (1); a driving shaft (209) passes through the L-shaped plate (301) and is rotatably connected to the L-shaped plate (301); an L-shaped round rod (305) is fixedly connected between the L-shaped plate (301) and the top plate (201); a slide plate (304) is movably sleeved on the outer side of the L-shaped round rod (305); a spring (303) is fixedly connected between the slide plate (304) and the L-shaped plate (301); and the spring (303) is sleeved on the outer side of the L-shaped round rod (305).

5. The expandable bus duct according to claim 4, characterized in that: The bottom of the slide plate (304) is provided with a support wheel (307) located at the top of the top plate (201), a plug rod (308) is fixedly installed on the side of the slide plate (304) close to the drive shaft (209), and a handle (306) is fixedly installed on the side of the slide plate (304) away from the drive shaft (209).

6. The expandable bus duct according to claim 3, characterized in that: The outer side of the driving shaft (209) is fixedly sleeved with an outer ring (302), and a plurality of insertion holes (309) are evenly arranged on the outer side of the outer ring (302). The inner diameter of each insertion hole (309) is equal to the outer diameter of the insertion rod (308), and the insertion rod (308) is inserted into the corresponding insertion hole (309).

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