Transformer rectifier intermediate joint protection copper shell

By protecting the copper shell in the middle joint of the transformer rectifier, the connection sleeve, external thread, threaded sleeve, pad plate, spring and screw are used to solve the poor contact problem caused by loose bolts, and a more stable cable connection is achieved and extend the service life.

CN222483707UActive Publication Date: 2025-02-14扬州三川电气设备有限公司
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Patent Information

Application Number
CN202421191030.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-28
Publication Date
2025-02-14
Estimated Expiration
2034-05-28

AI Technical Summary

Technical Problem

The existing transformer rectifier intermediate joint protection copper shell is protected when the cable is connected and installed. The fixing method can easily cause the bolts to loosen, resulting in poor contact with the joints and reduce service life.

Method used

A protective copper shell including a first housing, a fixing bolt, a second housing, a cable body and a reinforcement assembly is designed. By providing the connecting sleeve and external thread at the end of the cable, the limit is reinforced by the rebound force of the threaded sleeve and the spring, and the cable is limited by the screw and the pressing plate.

Benefits of technology

It effectively reduces the looseness of cable connections, extends the service life of the protective copper shell, and improves the stability of cable connections.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222483707U_ABST
Patent Text Reader

Abstract

The utility model discloses a protective copper shell for an intermediate joint of a transformer rectifier. The protective copper shell comprises a first shell, the fixing bolt is arranged on one side of the first shell; the second shell is arranged on one side of the first shell; the cable body is arranged in the second shell; the reinforcing assembly is arranged in the second shell; the reinforcing assembly comprises a partition plate, a side plate, a nut, a screw rod, a pressing plate and a clamping groove. According to the transformer rectifier intermediate joint protection copper shell, the connecting sleeve is arranged at the end of the cable, and the external thread is arranged outside the connecting sleeve, so that the other cable can be fastened on the outer wall of the connecting sleeve through the threaded sleeve, and after the method is adopted for connection, the base plate outside the threaded sleeve can be tightly attached to the fixing rod and is extruded inwards; the fixing rod can compress the spring, so that the rebounding force of the spring reinforces and limits the threaded sleeve, the connection stability between the cables is achieved, the loosening condition is reduced, and the service life of the protection shell is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of transformer rectifiers, in particular to a protective copper shell for an intermediate joint of a transformer rectifier. Background Art

[0002] A rectifier is an energy converter that converts alternating current into unidirectional current. The rectifier is made of vacuum tubes, ignition tubes, solid-state silicon semiconductor diodes, mercury arcs, etc. Its main function is to convert alternating current into direct current, and supply it to the load after filtering, or supply it to the inverter and provide charging voltage to the battery. It can be used for power supply devices and detection of radio signals, etc. A transformer refers to a device that uses the principle of electromagnetic induction to change the AC voltage. Transformers can be divided into power transformers and special transformers according to their uses. Power transformers are mainly used in power transmission and distribution lines to change the AC voltage to meet the needs of different users. At present, people on the market often use connectors to protect copper shells when connecting transformer rectifiers.

[0003] In the prior art, when the transformer rectifier intermediate joint protective copper shell is installed for cable docking, its connection method mostly relies on bolts for fixing. After long-term use of this fixing method, the bolts are prone to loosening, which can easily cause poor contact of the joint, thereby reducing the service life of the protective shell to a certain extent. Therefore, we need a transformer rectifier intermediate joint protective copper shell. Utility Model Content

[0004] The utility model aims to provide a transformer rectifier intermediate joint protection copper shell to solve the existing problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a transformer rectifier intermediate joint protective copper shell, comprising a first shell; a fixing bolt arranged on one side of the first shell; a second shell arranged on one side of the first shell; a cable body arranged inside the second shell; a reinforcement component arranged inside the second shell; the reinforcement component comprises a partition, a side plate, a nut, a screw, a pressing plate and a slot; the interior of the second shell is fixedly connected with a partition; one side of the partition is fixedly connected with a side plate; a nut is arranged inside the side plate; and the interior of the nut is threadedly connected with a screw Rod; a pressing plate is provided at the bottom of the screw rod; a card slot is provided at the bottom of the pressing plate; a connecting component is provided inside the first shell; the connecting component includes an end, a spring, a fixing rod, a connecting sleeve, an external thread, a threaded sleeve and a pad; the inside of the first shell is fixedly connected with an end; and one side of the end is fixedly connected with a spring; one end of the spring is fixedly connected with a fixing rod; one end of the end is fixedly connected with a connecting sleeve; and the outer wall of the connecting sleeve is provided with an external thread; the outer wall of the connecting sleeve is threadedly connected with a threaded sleeve; a pad is provided on one side of the threaded sleeve.

[0006] Preferably, the first shell forms a fixed structure with the second shell through fixing bolts, and there are multiple fixing bolts, and the multiple fixing bolts are evenly arranged between the first shell and the second shell.

[0007] Preferably, the side plate forms a threaded structure through a nut and a screw rod, and the shape and size of the nut match the shape and size of the screw rod, and one end of the screw rod extends into the nut for connection.

[0008] Preferably, the pressing plate forms a snap-fit ​​structure with the cable body through a snap-fit ​​slot, and the shape and size of the snap-fit ​​slot match those of the cable body, and the outer wall of the cable body is fitted with the interior of the snap-fit ​​slot.

[0009] Preferably, the end head forms an elastic structure through a spring and a fixing rod, and the number of the springs is four, and the four springs are evenly arranged between the end head and the fixing rod.

[0010] Preferably, the connecting sleeve forms a threaded structure with the threaded sleeve through an external thread, and the outer wall of the connecting sleeve fits with the inner wall of the threaded sleeve.

[0011] Preferably, the threaded sleeve and the backing plate form a fixed structure, and the backing plate is arranged on the outer wall of the threaded sleeve.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the transformer rectifier intermediate joint protection copper shell,

[0013] (1) By providing a connecting sleeve at the end of the cable and providing an external thread outside the connecting sleeve, another cable can be fastened to the outer wall of the connecting sleeve by means of the threaded sleeve. After connection by this method, the pad outside the threaded sleeve can be tightly fitted with the fixing rod and squeezed inward, so that the fixing rod can compress the spring, and the rebound force of the spring can reinforce and limit the threaded sleeve, thereby achieving stability of the connection between the cables, reducing the occurrence of looseness, and extending the service life of the protective shell;

[0014] (2) By extending the cable into the second shell and relying on the provided screw rod to push the pressing plate at the bottom to move, the pressing plate can limit the cable. In addition, the card slot inside the pressing plate can be clamped on the outside of the cable for tightening, which can further strengthen the need for reinforcing the cable and reduce the occurrence of cable detachment due to external pulling. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 This is a schematic diagram of the structure of the cable body and the threaded sleeve of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the terminal and the connecting spring of the utility model;

[0018] Figure 4 It is a schematic diagram of the structure of the side plate and the pressing plate of the utility model.

[0019] In the figure: 1. first shell; 2. fixing bolt; 3. second shell; 4. cable body; 5. reinforcement assembly; 501. partition; 502. side plate; 503. nut; 504. screw; 505. pressing plate; 506. slot; 6. connecting assembly; 601. end; 602. spring; 603. fixing rod; 604. connecting sleeve; 605. external thread; 606. threaded sleeve; 607. pad. DETAILED DESCRIPTION

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0021] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0022] The utility model embodiment provides a transformer rectifier intermediate joint protection copper shell, such as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, it includes a first shell 1; a fixing bolt 2 arranged on one side of the first shell 1; a second shell 3 arranged on one side of the first shell 1; a cable body 4 arranged inside the second shell 3; a reinforcement component 5 arranged inside the second shell 3; the reinforcement component 5 includes a partition 501, a side plate 502, a nut 503, a screw 504, a pressing plate 505 and a slot 506; the interior of the second shell 3 is fixedly connected with the partition 501; and one side of the partition 501 is fixedly connected with the side plate 502; the inside of the side plate 502 is provided with a nut 503; and the inside of the nut 503 is threadedly connected with the screw 504; the bottom of the screw 504 is provided with a pressing plate 505; the bottom of the pressing plate 505 A card slot 506 is provided; a connecting component 6 is arranged inside the first shell 1; the connecting component 6 includes an end 601, a spring 602, a fixing rod 603, a connecting sleeve 604, an external thread 605, a threaded sleeve 606 and a pad 607; the inside of the first shell 1 is fixedly connected with the end 601; and a spring 602 is fixedly connected to one side of the end 601; one end of the spring 602 is fixedly connected to the fixing rod 603; one end of the end 601 is fixedly connected to the connecting sleeve 604; and an external thread 605 is provided on the outer wall of the connecting sleeve 604; the outer wall of the connecting sleeve 604 is threadedly connected to the threaded sleeve 606; a pad 607 is provided on one side of the threaded sleeve 606.

[0023] In a further preferred embodiment of the present invention, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the first housing 1 forms a fixed structure with the second housing 3 through fixing bolts 2, and there are multiple fixing bolts 2, and the multiple fixing bolts 2 are evenly arranged between the first housing 1 and the second housing 3.

[0024] In this embodiment, the arrangement of multiple fixing bolts 2 is facilitated, so that the multiple fixing bolts 2 can install and fix the first shell 1 and the second shell 3 together, thereby strengthening the fixing effect of the first shell 1 and the second shell 3.

[0025] In a further preferred embodiment of the present invention, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the side plate 502 forms a threaded structure through a nut 503 and a screw rod 504, and the shape and size of the nut 503 match the shape and size of the screw rod 504, and one end of the screw rod 504 extends into the nut 503 for connection.

[0026] In this embodiment, the connection effect between the screw rod 504 and the nut 503 is enhanced, so that the screw rod 504 can move up and down in the side plate 502 by relying on the nut 503, which can facilitate the need for limiting the cable.

[0027] In a further preferred embodiment of the present invention, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the pressing plate 505 forms a snap-fit ​​structure with the cable body 4 through the snap-fit ​​groove 506 , and the shape and size of the snap-fit ​​groove 506 match the shape and size of the cable body 4 , and the outer wall of the cable body 4 is fitted with the interior of the snap-fit ​​groove 506 .

[0028] In this embodiment, the arrangement of the card slot 506 at the bottom of the pressing plate 505 is facilitated, so that the pressing plate 505 can limit the cable body 4 by relying on the card slot 506 , thereby strengthening the need to reinforce the cable body 4 .

[0029] In a further preferred embodiment of the present invention, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the end 601 forms an elastic structure through the spring 602 and the fixing rod 603, and the number of the springs 602 is four, and the four springs 602 are evenly arranged between the end 601 and the fixing rod 603.

[0030] In this embodiment, the connection effect between the end 601 and the spring 602 is strengthened, so that the end 601 can rely on the spring 602 to support the fixing rod 603, provide supporting force for the fixing rod 603, and further improve the friction between the threaded sleeve 606 and the connecting sleeve 604.

[0031] In a further preferred embodiment of the present invention, Figure 1 , Figure 2 , Figure 3 and Figure 4The connecting sleeve 604 shown forms a threaded structure with the threaded sleeve 606 through the external thread 605, and the outer wall of the connecting sleeve 604 fits with the inner wall of the threaded sleeve 606. The threaded sleeve 606 and the pad 607 form a fixed structure, and the pad 607 is arranged on the outer wall of the threaded sleeve 606.

[0032] In this embodiment, the connection between the connecting sleeve 604 and the threaded sleeve 606 is facilitated, so that the threaded sleeve 606 can be fastened to the outer wall of the connecting sleeve 604 by means of the internal thread, and when connected, the pad 607 on the threaded sleeve 606 squeezes the fixing rod 603, which can further strengthen the fastening of the threaded sleeve 606 and the connecting sleeve 604.

[0033] Specifically, when in use, the fixing bolt 2 can be first removed from the first shell 1 and the second shell 3, so that the first shell 1 and the second shell 3 can be separated. At this time, the cable between the transformer and the rectifier can be connected. In addition, the cable body 4 can be extended into the second shell 3, and the threaded sleeve 606 that penetrates the second shell 3 and relies on one end of the cable to be fastened to the outer wall of the connecting sleeve 604 for installation. At this time, when the threaded sleeve 606 is rotated into the outer wall of the connecting sleeve 604, the pad 607 can be pressed against the fixing rod 603, and the spring 602 can provide a supporting force to the pad 607, thereby strengthening the connection of the cable. In addition, after the connection, the pressing plate 505 can be pushed to move by relying on the set screw 504 to rotate in the nut 503, so that the pressing plate 505 can rely on the internal card slot 506 to limit the cable body 4. In addition, after tightening, the protection of the cable body 4 can be further strengthened. After the cable installation is completed, the first shell 1 and the second shell 3 can be fixed by relying on the fixing bolt 2.

[0034] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0035] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0036] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0037] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A transformer rectifier intermediate joint protective copper shell, characterized in that: It comprises a first shell (1); A fixing bolt (2) provided on one side of the first housing (1); A second shell (3) disposed on one side of the first shell (1); A cable body (4) disposed inside the second shell (3); A reinforcement component (5) is arranged inside the second shell (3); the reinforcement component (5) comprises a partition (501), a side plate (502), a nut (503), a screw (504), a pressing plate (505) and a slot (506); the second shell (3) is fixedly connected with the partition (501) inside; and one side of the partition (501) is fixedly connected with the side plate (502); a nut (503) is arranged inside the side plate (502); and the screw (504) is threadedly connected inside the nut (503); a pressing plate (505) is arranged at the bottom of the screw (504); and a slot (506) is provided at the bottom of the pressing plate (505); A connecting assembly (6) is arranged inside a first shell (1); the connecting assembly (6) comprises an end (601), a spring (602), a fixing rod (603), a connecting sleeve (604), an external thread (605), a threaded sleeve (606) and a gasket (607); the inside of the first shell (1) is fixedly connected with the end (601); one side of the end (601) is fixedly connected with the spring (602); one end of the spring (602) is fixedly connected with the fixing rod (603); one end of the end (601) is fixedly connected with the connecting sleeve (604); an external thread (605) is provided on the outer wall of the connecting sleeve (604); the threaded sleeve (606) is threadedly connected to the outer wall of the connecting sleeve (604); and a gasket (607) is provided on one side of the threaded sleeve (606).

2. The transformer rectifier intermediate joint protective copper shell according to claim 1, characterized in that: The first shell (1) forms a fixed structure with the second shell (3) through fixing bolts (2), and the number of the fixing bolts (2) is multiple, and the multiple fixing bolts (2) are evenly arranged between the first shell (1) and the second shell (3).

3. The transformer rectifier intermediate joint protective copper shell according to claim 1, characterized in that: The side plate (502) forms a threaded structure through a nut (503) and a screw rod (504), and the shape and size of the nut (503) match the shape and size of the screw rod (504), and one end of the screw rod (504) extends into the nut (503) for connection.

4. The transformer rectifier intermediate joint protective copper shell according to claim 1, characterized in that: The pressing plate (505) forms a snap-fit ​​structure with the cable body (4) via the snap-fit ​​groove (506), and the shape and size of the snap-fit ​​groove (506) match those of the cable body (4), and the outer wall of the cable body (4) is arranged to fit the inside of the snap-fit ​​groove (506).

5. The transformer rectifier intermediate joint protective copper shell according to claim 1, characterized in that: The end head (601) forms an elastic structure through a spring (602) and a fixing rod (603), and the number of the springs (602) is four, and the four springs (602) are evenly arranged between the end head (601) and the fixing rod (603).

6. The transformer rectifier intermediate joint protective copper shell according to claim 1, characterized in that: The connecting sleeve (604) forms a threaded structure with the threaded sleeve (606) through the external thread (605), and the outer wall of the connecting sleeve (604) fits with the inner wall of the threaded sleeve (606).

7. The transformer rectifier intermediate joint protective copper shell according to claim 1, characterized in that: The threaded sleeve (606) and the backing plate (607) form a fixed structure, and the backing plate (607) is arranged on the outer wall of the threaded sleeve (606).