Internal frame structure of rectifier bridge

Abstract

The utility model discloses an internal frame structure of a rectifier bridge, which comprises a shell, and the inner wall of the shell is provided with a pin hole. The rectifying tube is placed in the inner cavity of the shell, then the connecting frame is placed in the inner cavity of the shell, then a tool is inserted into the inner cavity of the cross-shaped counter bore, the connecting shaft can be rotated, the connecting shaft drives the driving bevel gear to rotate, the driving bevel gear drives the driven bevel gear to rotate, and the driven bevel gear drives the threaded rod to rotate. A threaded rod drives a threaded pipe to move so that the threaded pipe can be inserted into an inner cavity of a pin hole, the rectifier tube can be preliminarily fixed, then a clamping plate is moved to the top of the rectifier tube, then a threaded sleeve is rotated to be in threaded connection with a threaded column, and the clamping plate can be firmly fixed to the top of the rectifier tube; according to the utility model, the rectifier tube can be limited and fixed, so that the shell can be conveniently and quickly packaged, the shaking phenomenon can be avoided, and the assembly efficiency of the rectifier bridge can be improved.

Description

Technical Field

[0001] This utility model relates to the field of rectifier bridge technology, specifically to an internal frame structure of a rectifier bridge. Background Technology

[0002] A rectifier bridge is essentially a rectifier diode encapsulated in a housing. There are full-bridge and half-bridge types. A full-bridge rectifier encapsulates all four diodes of a bridge rectifier circuit together. A half-bridge rectifier encapsulates half of the four diodes used in a bridge rectifier circuit. Two half-bridges can form a bridge rectifier circuit, and a single half-bridge can also form a full-wave rectifier circuit with a transformer and a center tap. When selecting a rectifier bridge, the rectifier circuit and operating voltage must be considered.

[0003] During the production and assembly of a rectifier bridge, the internal components need to be positioned and fixed to prevent skewing during packaging. Currently, rectifier bridges on the market do not have an internal fixing structure; they are only clamped and fixed by external tools during packaging, which reduces packaging production efficiency. Therefore, it is necessary to design an internal frame structure for the rectifier bridge. Utility Model Content

[0004] The purpose of this utility model is to provide an internal frame structure for a rectifier bridge, which has the advantages of clamping and positioning, and solves the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an internal frame structure for a rectifier bridge, including a housing, a pin hole on the inner wall of the housing, a connecting frame in the inner cavity of the housing, an installation hole in the inner cavity of the connecting frame, a threaded rod fixedly connected to the inner cavity of the installation hole via a bearing, a threaded tube threadedly connected to the surface of the threaded rod, a driven bevel gear fixedly connected to the other end of the threaded rod, a driving bevel gear meshing with the top of the driven bevel gear, a connecting shaft fixedly connected to the top of the driving bevel gear, and the top of the connecting shaft penetrating to the top of the connecting frame and fixedly connected to the inner wall of the connecting frame via a bearing;

[0006] The front and back sides of the connecting frame are fixedly connected to slide rails. The inner cavity of the slide rail is slidably connected to a clamping plate. The top of the clamping plate is fixedly connected to a threaded post. The top of the threaded post extends through to the top of the slide rail and is threadedly connected to a threaded sleeve. The bottom of the clamping plate is fixedly connected to a rubber pad.

[0007] Preferably, the bottom of the housing has through holes at each of the four corners for the pins to pass through.

[0008] Preferably, the connecting frame is in the shape of a cross, and the threaded tube and pin hole are both in the shape of a rectangle.

[0009] Preferably, the top of the connecting shaft is provided with a cross-shaped countersunk hole, and the top of the connecting bracket is provided with a round hole for mounting the connecting shaft.

[0010] Preferably, the top of the slide rail is provided with a moving groove through which a threaded post passes, and the threaded post is slidably connected to the inner wall of the moving groove.

[0011] Preferably, the surface of the threaded sleeve is provided with anti-slip ridges, and the inner cavity of the threaded sleeve is provided with a threaded hole for use with a threaded post.

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

[0013] 1. This utility model places the rectifier tube inside the housing, then inserts the connecting bracket into the housing's inner cavity. By inserting a tool into the inner cavity of the cross-shaped countersunk hole, the connecting shaft can be rotated. The connecting shaft drives the driving bevel gear to rotate, which in turn drives the driven bevel gear to rotate. The driven bevel gear drives the threaded rod to rotate, which in turn moves the threaded tube to insert it into the inner cavity of the pin hole, thus initially fixing the rectifier tube. Then, the clamping plate is moved to the top of the rectifier tube, and by rotating the threaded sleeve to connect it with the threaded post, the clamping plate is firmly fixed to the top of the rectifier tube, thus limiting and fixing the rectifier tube. This allows for convenient and quick encapsulation of the housing, preventing shaking and improving the assembly efficiency of the rectifier bridge.

[0014] 2. This utility model facilitates pin installation by providing through holes, prevents the threaded tube from rotating with the threaded rod by using a rectangular threaded tube and pin hole, and facilitates the movement of the threaded column by providing a moving groove. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a cross-sectional view of the structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the connection structure between the connecting frame and the threaded pipe of this utility model;

[0018] Figure 4 This is a schematic diagram of the connection structure between the threaded pipe and the threaded rod of this utility model;

[0019] Figure 5 This is a cross-sectional view of the connecting frame of this utility model.

[0020] In the diagram: 1. Outer shell; 2. Pin hole; 3. Connecting bracket; 4. Mounting hole; 5. Threaded rod; 6. Threaded tube; 7. Driven bevel gear; 8. Driving bevel gear; 9. Connecting shaft; 10. Slide rail; 11. Clamping plate; 12. Threaded post; 13. Threaded sleeve; 14. Rubber pad; 15. Through hole; 16. Cross countersunk hole; 17. Round hole; 18. Moving groove. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] All components of this utility model are general standard parts or parts known to those skilled in the art. Their structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods. Example

[0023] Please see Figures 1-5 In order to achieve the purpose of limiting and fixing, this embodiment provides the following technical solution, specifically disclosing: an internal frame structure of a rectifier bridge, including a shell 1, a pin hole 2 on the inner wall of the shell 1, a connecting frame 3 in the inner cavity of the shell 1, an installation hole 4 in the inner cavity of the connecting frame 3, a threaded rod 5 fixedly connected to the inner cavity of the installation hole 4 by a bearing, a threaded tube 6 threadedly connected to the surface of the threaded rod 5, a driven bevel gear 7 fixedly connected to the other end of the threaded rod 5, a driving bevel gear 8 meshing with the top of the driven bevel gear 7, a connecting shaft 9 fixedly connected to the top of the driving bevel gear 8, the top of the connecting shaft 9 penetrating to the top of the connecting frame 3 and fixedly connected to the inner wall of the connecting frame 3 by a bearing, through holes 15 for pins being opened at the four corners of the bottom of the shell 1, the connecting frame 3 having a cross-shaped design, and the threaded tube 6 and the pin hole 2 having a rectangular design. By setting the through holes 15, the pins can be conveniently installed. By using the rectangular design of the threaded tube 6 and the pin hole 2, the threaded tube 6 can be prevented from rotating with the threaded rod 5. Example

[0024] Please see Figures 1-5In order to achieve the purpose of clamping and fixing, this embodiment provides the following technical solution, which specifically discloses: the front and back sides of the connecting frame 3 are fixedly connected to slide rails 10, the inner cavity of the slide rail 10 is slidably connected to a clamping plate 11, the top of the clamping plate 11 is fixedly connected to a threaded post 12, the top of the threaded post 12 extends through to the top of the slide rail 10 and is threadedly connected to a threaded sleeve 13, the bottom of the clamping plate 11 is fixedly connected to a rubber pad 14, the top of the connecting shaft 9 is provided with a cross countersunk hole 16, the top of the connecting frame 3 is provided with a round hole 17 for installing the connecting shaft 9, the top of the slide rail 10 is provided with a moving groove 18 through which the threaded post 12 passes, and the threaded post 12 is slidably connected to the inner wall of the moving groove 18, the surface of the threaded sleeve 13 is provided with anti-slip ridges, and the inner cavity of the threaded sleeve 13 is provided with a threaded hole for use with the threaded post 12. By providing the moving groove 18, the movement of the threaded post 12 can be facilitated.

[0025] In use, the rectifier tube is placed inside the housing 1, and then the connecting bracket 3 is placed inside the housing 1. The connecting shaft 9 is rotated by inserting a tool into the inner cavity of the cross countersunk hole 16. The connecting shaft 9 drives the driving bevel gear 8 to rotate, which in turn drives the driven bevel gear 7 to rotate. The driven bevel gear 7 drives the threaded rod 5 to rotate, and the threaded rod 5 drives the threaded tube 6 to move, thus inserting the threaded tube 6 into the inner cavity of the pin hole 2. This allows for the initial fixation of the rectifier tube. Then, the clamping plate 11 is moved to the top of the rectifier tube, and the threaded sleeve 13 is rotated to connect with the threaded post 12. This securely fixes the clamping plate 11 to the top of the rectifier tube, thereby limiting and fixing the rectifier tube.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rectifier bridge internal frame structure, comprising an outer shell (1), characterized in that: The inner wall of the outer shell (1) is provided with a pin hole (2), the inner cavity of the outer shell (1) is provided with a connecting frame (3), the inner cavity of the connecting frame (3) is provided with a mounting hole (4), the inner cavity of the mounting hole (4) is fixedly connected to a threaded rod (5) by a bearing, the surface of the threaded rod (5) is threadedly connected to a threaded tube (6), the other end of the threaded rod (5) is fixedly connected to a driven bevel gear (7), the top of the driven bevel gear (7) is meshed with a driving bevel gear (8), the top of the driving bevel gear (8) is fixedly connected to a connecting shaft (9), the top of the connecting shaft (9) extends through to the top of the connecting frame (3) and is fixedly connected to the inner wall of the connecting frame (3) by a bearing; The front and back sides of the connecting frame (3) are fixedly connected to slide rails (10), the inner cavity of the slide rail (10) is slidably connected to a clamping plate (11), the top of the clamping plate (11) is fixedly connected to a threaded post (12), the top of the threaded post (12) extends through to the top of the slide rail (10) and is threadedly connected to a threaded sleeve (13), and the bottom of the clamping plate (11) is fixedly connected to a rubber pad (14).

2. The internal frame structure of a rectifier bridge according to claim 1, characterized in that: The four corners of the bottom of the outer casing (1) are provided with through holes (15) for the pins.

3. The internal frame structure of a rectifier bridge according to claim 1, characterized in that: The connecting frame (3) is designed in a cross shape, and the threaded tube (6) and the pin hole (2) are both designed in a rectangular shape.

4. The internal frame structure of a rectifier bridge according to claim 1, characterized in that: The top of the connecting shaft (9) is provided with a cross countersunk hole (16), and the top of the connecting bracket (3) is provided with a round hole (17) for installing the connecting shaft (9).

5. The internal frame structure of a rectifier bridge according to claim 1, characterized in that: The top of the slide rail (10) is provided with a moving groove (18) through a threaded post (12), and the threaded post (12) is slidably connected to the inner wall of the moving groove (18).

6. The internal frame structure of a rectifier bridge according to claim 1, characterized in that: The surface of the threaded sleeve (13) is provided with anti-slip ridges, and the inner cavity of the threaded sleeve (13) is provided with a threaded hole for use with the threaded post (12).

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