Quickly-mounted presser foot

Abstract

The utility model discloses a quick installation presser foot, which comprises a body and is characterized in that the body is of a U-shaped structure and comprises a first arm and a second arm which are arranged in parallel and a connecting plate which is arranged at the top and is connected with the first arm and the second arm, and the first arm and the second arm are respectively provided with a hook-shaped claw on the same side; and a mounting hole is formed in the connecting plate. During installation, the hook-shaped claw is contacted with a longitudinal rib plate of a bus duct cover plate, a bolt penetrates through an installation hole in the connecting plate and a long kidney-shaped hole of the bearing plate to be connected with a flange face locking nut, the rapid installation pressing foot can slide left and right along the long kidney-shaped hole of the bearing plate before being fastened with the bolt, and rapid installation of the bus duct can be achieved only by using a socket spanner after positioning.

Description

Technical Field

[0001] The utility model relates to the technical field of power distribution equipment, in particular to a part for a bus duct spring bracket, in particular to a quick-installation presser foot for the bus duct spring bracket. Background Art

[0002] In the power supply system of high-rise buildings, the bus duct system is widely used due to its large current carrying capacity, flexible tapping, and beautiful appearance. During the vertical installation of the bus duct in high-rise buildings, each wall needs to share the weight of each layer of the bus duct, and each layer of the bus duct needs to be installed and fixed with a spring bracket. Traditional spring brackets use clamp parts to clamp and fix the bus duct shell. During installation and clamping, the clamp and the bus duct shell are easily deformed, the process is cumbersome, the installation quality is unstable, and the installation efficiency is low. Summary of the invention

[0003] The utility model aims to solve the above-mentioned technical problems existing in the prior art, and aims to provide a quick installation presser foot, which can clamp and fix the bus duct shell with bolts, and the bus duct shell will not be deformed. During installation, only a socket wrench is needed to realize the quick installation of the bus duct, thereby improving the installation quality and efficiency.

[0004] In order to solve the above problems, the utility model adopts the following technical solutions: a quick-install presser foot, including a main body, characterized in that the main body is a U-shaped structure, including a first arm and a second arm arranged in parallel, and a connecting plate connecting the first arm and the second arm at the top, and the first arm and the second arm are respectively provided with a hook-shaped claw on the same side; and a mounting hole is opened on the connecting plate.

[0005] During installation, the hook-shaped claws are in contact with the longitudinal ribs of the bus duct cover plate, and the bolts are passed through the mounting holes on the connecting plate and the long waist holes of the carrier plate and connected with the locking nuts on the flange surface. The quick installation presser foot and the bolts can be slid left and right along the long waist holes of the carrier plate before tightening. After positioning, the bus duct can be quickly installed using only a socket wrench.

[0006] The utility model discloses a quick installation pressure foot, which is used for vertical installation of bus duct in a vertical shaft. The weight of the bus duct is shared on the vertical wall and the horizontal wall by the quick installation pressure foot, bolts, flange surface locking nuts, bearing plates, compression springs, double-headed screws, left and right U-shaped brackets, and expansion screws, thereby realizing the functions of fixing the bus duct with a spring bracket and sharing the weight, with stable installation quality and high installation efficiency.

[0007] As an improvement of the utility model, the hook-shaped claw is arranged at the bottom of the first arm and the second arm. This structure makes the quick installation presser foot structure of the utility model more compact.

[0008] As a further improvement of the utility model, the first arm and the hook-shaped claw arranged thereon are in the same plane, and the second arm and the hook-shaped claw arranged thereon are in the same plane. This structure makes the quick installation presser foot structure of the utility model simpler and convenient to manufacture.

[0009] As a further improvement of the utility model, the hook-shaped claw is designed with a guiding slope and a clamping surface. The guiding slope is used to guide the longitudinal ribs of the bus duct cover plate to quickly enter the hook-shaped claw, and the clamping surface is used to clamp the longitudinal ribs of the bus duct cover plate to meet the requirements of rapid positioning and clamping functions.

[0010] As a further improvement of the present invention, the first arm and the second arm have substantially the same structure. The hook-shaped claw of the first arm and the hook-shaped claw of the second arm have substantially the same structure.

[0011] As a further improvement of the utility model, the mounting hole on the connecting piece is a square hole, and the square neck bolt passes through the square hole and the long waist hole of the support plate and is connected with the flange surface locking nut. After positioning, the bus duct can be quickly installed using only a socket wrench. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model will be further described below in conjunction with the accompanying drawings.

[0013] Figure 1 The utility model is an axonometric drawing of a quick-install presser foot.

[0014] Figure 2 The utility model is a structural schematic diagram of a quick-install presser foot.

[0015] Figure 3 yes Figure 2 Top view.

[0016] Figure 4 yes Figure 2 Left view.

[0017] Figure 5 It is the main view of the use state diagram of the utility model.

[0018] Figure 6 It is a top view of the utility model in use state.

[0019] In the figure, 9 is a flat washer, 10 is an elastic washer, 11 is an outer hexagonal nut, 12 is a flat washer, 13 is an elastic washer, 14 is an outer hexagonal nut, 15 is a flat washer, 16 is an adjusting nut, 17 is a compression spring, 18 is a flat washer, 19 is an outer hexagonal nut, 20 is a double-headed screw, 26 is a left U-shaped bracket, 27 is a right U-shaped bracket, 28 is a bearing plate, 29 is a quick-install presser foot of the utility model, 30 is a flange locking nut, 31 is a square neck bolt, 32 is a bus duct, 33 is a vertical wall, 34 is a horizontal wall, 35 is a wall Hole, 36 is a long waist hole, 37 is a long waist hole, 39 is a long waist hole, 40 is an expansion screw, 41 is a first arm, 42 is a second arm, 43 is a connecting plate, 44 is a mounting hole, 45 is a hook-shaped claw of the second arm, 46 is a clamping surface, 47 is a guide slope, 48 is a bus duct rear cover, 49 is a bus duct front cover, 50 is the right side longitudinal rib plate of the bus duct front cover, 51 is the left side longitudinal rib plate of the bus duct front cover, 52 is the right side longitudinal rib plate of the bus duct rear cover, 53 is the left side longitudinal rib plate of the bus duct rear cover, and 55 is the hook-shaped claw of the first arm. DETAILED DESCRIPTION

[0020] Reference Figures 1 to 4 The utility model discloses a quick-install presser foot, comprising a main body, wherein the main body is in a U-shaped structure, including a first arm 41 and a second arm 42 arranged in parallel, and a connecting plate 43 connecting the first arm 41 and the second arm 42 at the top.

[0021] The first arm 41 is provided with a hook-shaped claw 55 on one side of the bottom, and the second arm 42 is also provided with a hook-shaped claw 45 on the same side. Each hook-shaped claw 45, 55 has a guide slope 47 and a pressing surface 46. The guide slope 47 is used to guide the longitudinal ribs of the bus duct cover to quickly enter the hook-shaped claw, and the pressing surface 46 is used to press the longitudinal ribs of the bus duct cover to meet the requirements of rapid positioning and pressing functions.

[0022] In this embodiment, the first arm 41 and the second arm 42 have substantially the same structure. The hook claw 55 of the first arm and the hook claw 45 of the second arm also have substantially the same structure.

[0023] The connecting plate is provided with a mounting hole 44. In this embodiment, the mounting hole 44 is a square hole to match the installation of the square neck bolt 31.

[0024] Reference Figure 5 and Figure 6 During the vertical installation of the bus duct 32 in a high-rise building, each wall layer needs to share the weight of the bus duct on each layer, and a spring bracket is required to install and fix the bus duct on each layer.

[0025] Specifically, the bus duct 32 is connected to a pair of support plates 28 through front and rear cover plates 49 and 48. The pair of support plates 28 are arranged parallel and horizontally.

[0026] The spring bracket includes a compression spring 17 and a double-headed screw 20. The compression spring 17 is sleeved on the double-headed screw 20. The bottom of the compression spring 17 is fixed by a flat washer 15 and an adjusting nut 16 to achieve the adjustment function. The upper part of the compression spring 17 is fixed to the support plate 28 by a flat washer 18 and an outer hexagonal nut 19. The bottom of the double-headed screw 20 is connected to the U-shaped bracket by a flat washer 9, an elastic washer 10, an outer hexagonal nut 11, a flat washer 12 and an elastic washer 13. The bottom of the U-shaped bracket is fixed to the horizontal wall by an expansion screw 40. The rear side of the U-shaped bracket is provided with a side plate, which is fixed to the vertical wall 33 by an expansion screw 40.

[0027] The left spring bracket is connected to the left U-shaped bracket 26 , and the right spring bracket is connected to the right U-shaped bracket 27 .

[0028] The quick-install presser foot 29 of the utility model is located on the left and right sides of the front and rear covers of the bus duct 32, and there are four 29-1, 29-2, 29-3, and 29-4 in total, which are respectively connected to the left and right longitudinal ribs of the front and rear covers of the bus duct.

[0029] Take the quick installation foot 29-1 as an example. During installation, the pressing surface 46 of the hook-shaped claw contacts the right longitudinal rib 50 of the front cover plate 49 of the bus duct. The square neck bolt 31 passes through the square hole 44 and the long waist hole 37 of the support plate. The flange surface locking nut 30 is screwed into the square neck bolt 31 to tighten. Before the quick installation foot 29 and the square neck bolt 31 are tightened, they can slide left and right along the long waist hole 37 of the support plate. After positioning, the bus duct can be quickly installed using only a socket wrench.

[0030] Using the same method, the quick installation foot 29-2 is fastened to the left longitudinal rib 51 of the front cover of the bus duct, the quick installation foot 29-3 is fastened to the right longitudinal rib 52 of the rear cover of the bus duct, and the quick installation foot 29-4 is fastened to the left longitudinal rib 53 of the rear cover of the bus duct, thereby realizing the quick installation of the bus duct.

[0031] The material of the quick-installation presser foot part of the utility model can be selected from steel plates for stamping, and the surface of the part is treated by hot-dip galvanizing or plastic spraying. The part has good mechanical properties and anti-corrosion properties, and the product is easy to manufacture.

[0032] The utility model discloses a quick installation presser foot, which has the characteristics of simple structure, good versatility, quick installation, high production efficiency, etc. It is mainly used for vertical installation of bus ducts in shafts and is an economical and practical product.

[0033] It should be understood that the above description is only an explanation of the present invention, rather than a limitation of the present invention, and any invention that does not exceed the essential spirit of the present invention shall fall within the protection scope of the present invention.

Claims

1. A quick-install presser foot, comprising a body, characterized in that The main body is in a U-shaped structure, including a first arm and a second arm arranged in parallel, and a connecting plate connecting the first arm and the second arm at the top, and the first arm and the second arm are respectively provided with a hook-shaped claw on the same side; and a mounting hole is opened on the connecting plate.

2. A quick-install presser foot as claimed in claim 1, characterized in that The hook-shaped claw is arranged at the bottom of the first arm and the second arm.

3. A quick-install presser foot as claimed in claim 1, characterized in that The first arm and the hook-shaped claw arranged thereon are located in the same plane, and the second arm and the hook-shaped claw arranged thereon are located in the same plane.

4. A quick-install presser foot as claimed in claim 1, characterized in that The hook-shaped claw has a guiding inclined surface.

5. A quick-install presser foot as claimed in claim 1, characterized in that The hook-shaped claw has a pressing surface.

6. A quick-install presser foot as claimed in claim 1, characterized in that The first arm and the second arm have the same structure.

7. A quick-install presser foot as claimed in claim 6, characterized in that The hook-shaped claw of the first arm and the hook-shaped claw of the second arm have the same structure.

8. A quick-install presser foot as claimed in any one of claims 1 to 7, characterized in that The mounting holes provided on the connecting plate are square holes.

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