Shell structure of silicon controlled switch

By designing a fixed installation mechanism and a wiring harness positioning and protection mechanism, the problems of manual support and fixing of the SCR switch housing and the instability of the wiring harness during installation were solved, thus achieving stable installation of the SCR switch and a secure connection of the wiring harness.

CN223758542UActive Publication Date: 2026-01-02TEXAS ELECTRIC (SHENZHEN) CO LTD
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Patent Information

Application Number
CN202520293542.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2026-01-02
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

The housing of a thyristor switch requires manual support and fixation during installation, and the wiring harness is prone to unstable connection due to pulling or bending.

Method used

A housing structure including a fixed installation mechanism and multiple sets of locking bolts is designed, equipped with a protective frame, a preliminary positioning mechanism and a wire harness positioning protection mechanism to ensure stable installation of the SCR switch and fixation of the wire harness.

Benefits of technology

It enables convenient installation of SCR switches and stable connection of wiring harnesses, preventing the wiring harness from coming loose due to pulling or bending, and improving reliability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a shell structure of a silicon controlled rectifier switch, which comprises a fixed mounting mechanism and a silicon controlled rectifier switch mechanism, protection frames are fixedly mounted on two sides of the silicon controlled rectifier switch mechanism, a second mounting plate is fixedly mounted on one side of each protection frame, a fixing groove is formed in each second mounting plate, and the silicon controlled rectifier switch mechanism is fixed in the fixing groove. A preliminary positioning mechanism for preliminarily positioning the fixed mounting mechanism and the silicon-controlled switching mechanism is fixedly mounted on the back surface of the silicon-controlled switching mechanism, and a wire harness positioning protection mechanism for fixing a wire of a connecting wire harness is arranged on the protection frame. According to the utility model, the protection frame can protect the silicon-controlled switching mechanism, and the preliminary positioning mechanism can preliminarily position the silicon-controlled switching mechanism and the fixed installation mechanism, so that the second installation plate and the fixed groove can be conveniently and correspondingly installed with the fixed installation mechanism; and the arranged wire harness positioning protection mechanism can lock and guide the connected wire harness.
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Description

TECHNICAL FIELD

[0001] The utility model relates to silicon controlled switch technical field, concretely is a silicon controlled switch's shell structure. BACKGROUND

[0002] Silicon controlled rectifier (SCR) is a kind of semiconductor device with multiple terminals, commonly used to control the current in AC and DC circuits. It belongs to a kind of thyristor, mainly used for switching and regulating high-power electric energy.

[0003] When the silicon controlled switch shell is installed, it is usually necessary to use locking bolts to fix and install, and when the silicon controlled switch shell is installed, it is necessary to use multiple sets of locking bolts to install, and during installation, it needs to be manually supported and fixed, so that the shell is not convenient to install, and if the wiring harness is pulled or bent after installation, the wiring harness and terminal connection are unstable, therefore, we provide a silicon controlled switch shell structure. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a silicon controlled switch shell structure to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a silicon controlled switch shell structure, comprising a fixed installation mechanism and a silicon controlled switch mechanism, the fixed installation mechanism is fixedly installed by multiple sets of locking bolts, both sides of the silicon controlled switch mechanism are fixedly installed with protection frames, one side of the protection frame is fixedly installed with a second installation plate, a fixed slot is formed in the second installation plate, a preliminary positioning mechanism for preliminarily positioning the fixed installation mechanism and the silicon controlled switch mechanism is fixedly installed on the back of the silicon controlled switch mechanism, and a wiring harness positioning protection mechanism for fixing the wiring harness wire is arranged on the protection frame.

[0006] Further, the fixed installation mechanism comprises a fixed plate, a preliminary locking slot, a locking screw hole and a first installation plate, two groups of first installation plates are fixedly installed at the top and bottom of the fixed plate, the fixed plate is hollow inside, the preliminary locking slot is formed through the fixed plate, and the locking screw hole is formed in the position corresponding to the fixed slot on the fixed plate.

[0007] Further, the preliminary positioning mechanism comprises a first fixed rod and a positioning block, the first fixed rod is fixedly installed on the back of the silicon controlled switch mechanism, the positioning block in the shape of an ellipse is fixedly installed on the first fixed rod in the position corresponding to the preliminary locking slot, and the positioning block is inserted into the fixed plate inside through the preliminary locking slot.

[0008] Further, the silicon controlled switch mechanism comprises a silicon controlled switch body, a connecting seat and current terminals, the top and bottom of the connecting seat are provided with connecting seats, and a plurality of groups of current terminals are arranged on the connecting seats.

[0009] Further, the wire harness positioning protection mechanism comprises a first mounting groove, a second mounting groove, a second fixing rod, a guide block and a connecting rod, the top of the protection frame is provided with the first mounting groove, the bottom of the protection frame is provided with a second mounting groove in the shape of L, one side of the second fixing rod is fixedly connected with the guide block which is arc-shaped in side, the two sides of the second fixing rod are fixedly connected with the connecting rods, and the top of the second fixing rod is fixedly connected with the clamping block made of elastic material.

[0010] Further, the top and bottom of the silicon controlled switch body are provided with heat dissipation holes, and the cross section of the connecting rod is in the shape of rectangle.

[0011] Compared with the prior art, the protection frame provided by the utility model can protect the silicon controlled switch mechanism, the fixed mounting mechanism provided subsequently is fixedly mounted through a plurality of locking bolts, the preliminary positioning mechanism provided can preliminarily position the silicon controlled switch mechanism and the fixed mounting mechanism, so that the second mounting plate and the fixed groove can be conveniently mounted in correspondence with the fixed mounting mechanism, and the wire harness positioning protection mechanism provided can lock and guide the connected wire harness, preventing the wire harness from being pulled and separated from the silicon controlled switch mechanism and affecting use. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a three-dimensional view structural schematic diagram of the utility model;

[0013] Figure 2 It is a three-dimensional view structural schematic diagram of the fixed mounting mechanism of the utility model;

[0014] Figure 3 It is a first three-dimensional view structural schematic diagram of the silicon controlled switch mechanism of the utility model;

[0015] Figure 4 It is a second three-dimensional view structural schematic diagram of the silicon controlled switch mechanism of the utility model;

[0016] Figure 5 It is a three-dimensional view structural schematic diagram of the wire harness positioning protection mechanism of the utility model.

[0017] In the figure: 1, fixed installation mechanism; 2, silicon controlled switch mechanism; 3, protection frame; 4, wire harness positioning protection mechanism; 5, heat dissipation hole; 6, preliminary positioning mechanism; 7, fixed plate; 8, preliminary locking groove; 9, locking screw hole; 10, first mounting plate; 11, first fixed rod; 12, positioning block; 13, second mounting plate; 14, fixed groove; 15, silicon controlled switch body; 16, connecting seat; 17, current terminal; 18, first mounting groove; 19, second mounting groove; 20, second fixed rod; 21, guide block; 22, connecting rod; 23, clamping block. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] Please refer to Figures 1-5 The utility model provides a technical scheme: a kind of housing structure of silicon controlled switch, including fixed installation mechanism 1 and silicon controlled switch mechanism 2, the top and bottom of the silicon controlled switch body 15 are all provided with heat dissipation hole 5, the fixed installation mechanism 1 is fixedly installed by multiple groups of locking bolts, the both sides of the silicon controlled switch mechanism 2 are fixedly installed with protection frame 3, one side of the protection frame 3 is fixedly installed with second mounting plate 13, the fixed groove 14 is set on the second mounting plate 13, the back of the silicon controlled switch mechanism 2 is fixedly installed with the preliminary positioning mechanism 6 of the fixed installation mechanism 1 and silicon controlled switch mechanism 2 preliminary positioning, the protection frame 3 is provided with wire harness positioning protection mechanism 4 for connecting wire harness wire fixed.

[0020] Among them, the protection frame 3 can be set to protect the silicon controlled switch mechanism 2, then the fixed installation mechanism 1 is fixedly installed by multiple groups of locking bolts, and the preliminary positioning mechanism 6 can be set to preliminarily position the silicon controlled switch mechanism 2 and the fixed installation mechanism 1, so that the second mounting plate 13 and the fixed groove 14 can be conveniently installed corresponding to the fixed installation mechanism 1, and the wire harness positioning protection mechanism 4 can be set to lock and guide the connected wire harness, to prevent the wire harness from being pulled away from the silicon controlled switch mechanism 2 and affecting use.

[0021] Please refer to Figure 1 And Figure 2The fixed mounting mechanism 1 comprises a fixed plate 7, a preliminary locking groove 8, locking screw holes 9 and first mounting plates 10. The top and bottom of the fixed plate 7 are fixedly provided with two groups of first mounting plates 10. The fixed plate 7 is internally hollow. The preliminary locking groove 8 is formed through the fixed plate 7. The locking screw holes 9 are formed on the fixed plate 7 and correspond to the fixed grooves 14.

[0022] The first mounting plates 10 can be fixedly mounted on the fixed plate 7 by cooperating with the locking bolts. The locking screw holes 9 can be mounted on the second mounting plates 13 and the fixed grooves 14 to complete the mounting of the thyristor switch mechanism 2. The preliminary locking groove 8 can be preliminarily positioned by cooperating with the preliminary positioning mechanism 6.

[0023] Please refer to Figure 1 , Figure 2 and Figure 4 . The preliminary positioning mechanism 6 comprises first fixed rods 11 and positioning blocks 12. The first fixed rods 11 are fixedly mounted on the back of the thyristor switch mechanism 2. The positioning blocks 12 are elliptical and fixedly mounted on the first fixed rods 11 and correspond to the preliminary locking grooves 8. The positioning blocks 12 are inserted into the fixed plate 7 through the preliminary locking grooves 8.

[0024] When the thyristor switch mechanism 2 is mounted, the thyristor switch mechanism 2 is first inclinedly arranged. Then the positioning blocks 12 are inserted into the fixed plate 7 through the preliminary locking grooves 8. Then the thyristor switch mechanism 2 is rotated to complete the preliminary positioning.

[0025] Please refer to Figure 1 , Figure 3 and Figure 4 . The thyristor switch mechanism 2 comprises a thyristor switch body 15, connecting seats 16 and current terminals 17. The top and bottom of the connecting seat 16 are provided with the connecting seat 16. The connecting seat 16 is provided with a plurality of current terminals 17.

[0026] The connecting seat 16 and the current terminal 17 can be cooperated with the external wire harness to complete the wire harness mounting and fixation.

[0027] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 5The wire harness positioning protection mechanism 4 comprises a first mounting slot 18, a second mounting slot 19, a second fixing rod 20, a guide block 21 and a connecting rod 22, the top of the protection frame 3 is provided with the first mounting slot 18, the bottom of the protection frame 3 is provided with the "L"-shaped second mounting slot 19, one side of the second fixing rod 20 is fixedly connected with the arc-shaped guide block 21, both sides of the second fixing rod 20 are fixedly connected with the connecting rod 22, the top of the second fixing rod 20 is fixedly connected with the clamping block 23 made of elastic material, and the cross section of the connecting rod 22 is rectangular.

[0028] When the second fixing rod 20 is installed, the connecting rods 22 on both sides of the second fixing rod 20 are respectively inserted into the first mounting slot 18 and the second mounting slot 19, the lower second mounting slot 19 is provided with the "L" shape, the connecting rod 22 is convenient to insert, and the connecting rod 22 can be prevented from being separated from the protection frame 3, the arc-shaped guide block 21 provided on one side of the second fixing rod 20 can guide the wire harness when the wire harness is bent, the wire harness can be prevented from being damaged by bending, and the clamping block 23 made of elastic material can clamp and position the wire harness, and the wire harness can be prevented from being separated from the current terminal 17 due to being pulled and displaced.

[0029] When in use, firstly, the protection frame 3 can protect the thyristor switch mechanism 2, then the fixed installation mechanism 1 is fixedly installed through a plurality of locking bolts, and the preliminary positioning mechanism 6 can preliminarily position the thyristor switch mechanism 2 and the fixed installation mechanism 1, so that the second installation plate 13 and the fixed groove 14 can be conveniently installed corresponding to the fixed installation mechanism 1, the wire harness positioning protection mechanism 4 can lock and guide the connected wire harness, prevent the wire harness from being pulled and separated from the thyristor switch mechanism 2, the first installation plate 10 can be installed and fixed with the locking bolt, the locking hole 9 can be installed and fixed with the second installation plate 13 and the fixed groove 14 to complete the installation and fixation of the thyristor switch mechanism 2, and the preliminary locking groove 8 can be installed and fixed with the preliminary positioning mechanism 6 to complete the preliminary positioning of the thyristor switch mechanism 2. When the thyristor switch mechanism 2 is installed, the thyristor switch mechanism 2 is first inclined, then the oval positioning block 12 is inserted into the inside of the fixed plate 7 through the preliminary locking groove 8, and then the thyristor switch mechanism 2 is rotated to complete the preliminary positioning, the connecting seat 16 and the current terminal 17 can be cooperated with the external wire harness to complete the installation and fixation of the wire harness, when the second fixing rod 20 is installed, the connecting rods 22 on both sides of the second fixing rod 20 are respectively inserted into the first installation groove 18 and the second installation groove 19, the second installation groove 19 is provided in the shape of "L" to facilitate the insertion of the connecting rod 22, and can prevent the connecting rod 22 from being separated from the protection frame 3, the arc-shaped guide block 21 on one side of the second fixing rod 20 can guide the wire harness when it is bent, prevent the wire harness from being bent and damaged, and the clamping block 23 made of elastic material can clamp and position the wire harness to prevent the wire harness from being pulled and displaced to separate from the current terminal 17.

[0030] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A housing structure of silicon controlled switch, comprising a fixed mounting mechanism (1) and a silicon controlled switch mechanism (2), the fixed mounting mechanism (1) is fixedly mounted by multiple sets of locking bolts, characterized in that: Both sides of the controllable silicon switch mechanism (2) are fixedly installed with protection frames (3), one side of the protection frame (3) is fixedly installed with a second mounting plate (13), the second mounting plate (13) is provided with a fixed groove (14), the back of the controllable silicon switch mechanism (2) is fixedly installed with a preliminary positioning mechanism (6) for preliminarily positioning the fixed mounting mechanism (1) and the controllable silicon switch mechanism (2), and the protection frame (3) is provided with a wire harness positioning protection mechanism (4) for fixing the connecting wire harness wires.

2. A housing structure for a thyristor switch according to claim 1, characterized in that: The fixed mounting mechanism (1) comprises a fixed plate (7), a preliminary locking groove (8), a locking screw hole (9) and a first mounting plate (10), both the top and the bottom of the fixed plate (7) are fixedly installed with two groups of first mounting plates (10), the fixed plate (7) is hollow, the preliminary locking groove (8) is provided through the fixed plate (7), and the locking screw hole (9) is provided on the fixed plate (7) and corresponds to the position of the fixed groove (14).

3. A housing structure for a thyristor switch according to claim 2, characterized in that: The preliminary positioning mechanism (6) comprises a first fixed rod (11) and a positioning block (12), the back of the controllable silicon switch mechanism (2) is fixedly installed with the first fixed rod (11), the first fixed rod (11) is fixedly installed with the oval positioning block (12) at the position corresponding to the preliminary locking groove (8), and the positioning block (12) is inserted into the fixed plate (7) through the preliminary locking groove (8).

4. A housing structure for a thyristor switch according to claim 3, characterized in that: The controllable silicon switch mechanism (2) comprises a controllable silicon switch body (15), a connecting seat (16) and a current terminal (17), the top and the bottom of the connecting seat (16) are provided with the connecting seat (16), and the connecting seat (16) is provided with a plurality of current terminals (17).

5. A housing structure for a thyristor switch according to claim 4, characterized in that: The wire harness positioning protection mechanism (4) comprises a first mounting groove (18), a second mounting groove (19), a second fixed rod (20), a guide block (21) and a connecting rod (22), the top of the protection frame (3) is provided with the first mounting groove (18), the bottom of the protection frame (3) is provided with the "L"-shaped second mounting groove (19), one side of the second fixed rod (20) is fixedly connected with the arc-shaped guide block (21), both sides of the second fixed rod (20) are fixedly connected with the connecting rod (22), and the top of the second fixed rod (20) is fixedly connected with the clamping block (23) made of elastic material.

6. A housing structure for a thyristor switch according to claim 5, characterized in that: The top and the bottom of the controllable silicon switch body (15) are provided with the heat dissipation holes (5), and the cross section of the connecting rod (22) is rectangular.