Electrode stem connecting device
The electrode rod connection method, which uses internal snap-fit and external nut fixing, solves the problem of conductivity and lifespan caused by unstable electrode rod connection, and achieves stable conductivity and extended service life of the electrode rod.
Patent Information
- Application Number
- CN202422904638.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-11-27
AI Technical Summary
The existing connection method between the electrode rod and the heating wire results in the conductive part bearing a high current, generating uneven heat, which affects the conductivity and service life.
The electrode rod is connected by internal snap-fit and external nut fixing, which increases the conductive cross-sectional area and achieves a stable connection through the tight fit of the conductive post and the conductive conical groove.
This improves the conductivity and lifespan of the electrode rod, ensuring its stability and durability under high current conditions.
Smart Images

Figure CN223638695U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of electrode stem, concretely relates to an electrode stem connecting device. BACKGROUND
[0002] The lower part of the electrode stem is fixedly connected with the electric furnace wire, when installing the electrode stem, the lower part of the electric furnace wire is positioned first, then the electrode stem is fixedly connected with the small cover in a threaded connection mode, and the electrode stem is fixed from both ends. However, in the installation mode, the upper part is connected after the lower part is fixed, and the thread may not be screwed to the bottom, although a nipple is added, the smooth nipple may not be in close contact with the electrode stem. If the thread is not screwed to the bottom, the conductive part is entirely borne by the screw rod. When the electrode stem works, nearly 4000A of current passes through the screw rod, which inevitably generates a large amount of heat and brings the problem of inconsistent thermal expansion, thereby affecting the conductive performance and service life of the electrode stem. SUMMARY
[0003] To solve the problems in the above background, the utility model provides an electrode stem connecting device, which adopts an electrode stem connecting mode of internal clamping and external nut fixing, increases the conductive cross-sectional area, and prolongs the service life of the electrode stem.
[0004] To achieve the above object, the specific technical scheme of the utility model is as follows:
[0005] An electrode stem connecting device comprises a small cover and an electrode stem, the center of the lower end face of the small cover is provided with a mounting round boss, a plurality of connection round tables are mounted on the mounting round boss in a circumferential distribution, a lock cap is sleeved on the electrode stem, the electrode stem is clamped with the connection round table, the lock cap is threadedly connected with the connection round table, and the electrode stem is fixed on the mounting round boss by screwing the lock cap.
[0006] As a further arrangement of the above scheme, a locking external thread is formed on the outer cylindrical surface of the connection round table, a conductive taper groove is formed in the center of the connection round table, a conductive column is arranged in the conductive taper groove, and a mounting ring groove is formed on the outer side of the conductive taper groove.
[0007] As a further arrangement of the above scheme, a mounting ring is arranged at one end of the electrode stem, a conductive taper table is arranged in the center of the mounting ring, a conductive circular groove is formed in the center of the conductive taper table, and a friction groove is formed in the inner side end face of the mounting ring.
[0008] As a further arrangement of the above scheme, a plurality of lock holes are uniformly formed on the outer cylindrical surface of the lock cap, a locking internal thread is formed on the inner cylindrical surface of the lock cap, and a friction convex pattern is formed on the inner wall of the lock cap.
[0009] The utility model has the following beneficial effects:
[0010] The conductive column is inserted into the conductive circular groove, the mounting ring is clamped in the mounting ring groove, the locking cap is screwed by using a tool to clamp the locking hole, the locking inner thread is matched with the locking outer thread, the electrode column is pushed upward to the small cover, the conductive cone is entered into the conductive cone groove, the conductive cone is tightly attached to the conductive cone groove, the friction groove is attached to the friction ridge, the electrode rod is connected and fixed, the mounting ring is matched with the locking cap in the mounting ring groove, the electrode rod can be conveniently installed and fixed on the connecting circular table, meanwhile, the conductive column is tightly attached to the conductive circular groove, the conductive cone is tightly attached to the conductive cone groove, the stability of the electrode rod is ensured, and the conductivity and service life of the electrode rod are greatly improved. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 is the appearance schematic view of the utility model;
[0012] Figure 2 is the connecting circular table schematic view of the utility model;
[0013] Figure 3 is the connecting circular table cross section schematic view of the utility model;
[0014] Figure 4 is the electrode rod cross section schematic view of the utility model;
[0015] Figure 5 is the locking cap schematic view of the utility model.
[0016] 1, small cover; 2, electrode rod; 3, connecting circular table; 4, locking cap; 101, mounting circular boss; 201, mounting ring; 202, conductive cone; 203, conductive circular groove; 204, friction groove; 301, conductive cone groove; 302, conductive column; 303, mounting ring groove; 304, locking outer thread; 401, locking hole; 402, locking inner thread; 403, friction ridge. DETAILED DESCRIPTION
[0017] In order to make the personnel in the technical field better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the present application.
[0018] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments. Figures 1-5 The technical scheme of the present application will be described in detail below.
[0019] As Figure 1As shown in the figure, an electrode rod connecting device, a small cover 1 is provided with a mounting round boss 101 at the center of the lower end surface, a connecting round table 3 is mounted on the mounting round boss 101, a lock cap 4 is sleeved on the electrode rod 2, the electrode rod 2 is clamped with the connecting round table 3, the lock cap 4 is screwed with the connecting round table 3, and the electrode rod 2 is fixed on the mounting round boss 101 by screwing the lock cap 4.
[0020] As shown in the figure, Figure 2 , Figure 3 As shown in the figure, the connecting round table 3 is provided with a locking outer thread 304 on the outer cylindrical surface, a conductive taper groove 301 is opened at the center of the connecting round table 3, a conductive column 302 is arranged in the conductive taper groove 301, and a mounting ring groove 303 is opened outside the conductive taper groove 301.
[0021] As shown in the figure, Figure 4 As shown in the figure, the electrode rod 2 is provided with a mounting ring 201 at one end, the mounting ring 201 is provided with a conductive taper table 202 at the center, a conductive circular groove 203 is opened at the center of the conductive taper table 202, and a friction groove 204 is opened on the inner side end surface of the mounting ring 201.
[0022] As shown in the figure, Figure 5 As shown in the figure, the lock cap 4 is provided with uniformly distributed lock holes 401 on the outer cylindrical surface, the lock cap 401 is provided with a locking inner thread 402 on the inner cylindrical surface, and the lock cap 4 is provided with a friction convex 403 on the inner wall.
[0023] The working process of the utility model: the conductive column 302 is inserted into the conductive circular groove 203, the mounting ring 201 is clamped in the mounting ring groove 303, the lock cap 4 is tightened by using a tool to clamp the lock hole 401, the locking inner thread 402 cooperates with the locking outer thread 304, the electrode column 2 is pushed up to the small cover 1, the conductive taper table 202 enters the conductive taper groove 301, the conductive taper table 202 is closely combined with the conductive taper groove 301, the friction groove 204 is combined with the friction convex 403, the electrode rod 2 is connected and fixed, the mounting ring 201 cooperates with the mounting ring groove 303 and the lock cap 4, the electrode rod 2 can be conveniently installed and fixed on the connecting round table 3, and the conductive column 302 is closely combined with the conductive circular groove 203 and the conductive taper table 202 is closely combined with the conductive taper groove 301, so that the conductive stability of the electrode rod 2 is ensured.
[0024] The basic principle and main features of the utility model are shown and described, and the advantages of the utility model are shown and described, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model.
[0025] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.
Claims
1. An electrode stem connection device comprising a cap and an electrode stem, characterized in that, The small cover lower end face center is provided with a mounting round boss, the mounting round boss is provided with a circumferentially distributed connecting round table, the electrode rod is sleeved with a lock cap, the electrode rod is clamped with the connecting round table, the lock cap is screwed with the connecting round table, and the electrode rod is fixed on the mounting round boss by screwing the lock cap.
2. The electrode pole connection device of claim 1, wherein A locking external thread is formed on the outer cylindrical surface of the connecting round table, a conductive taper groove is formed at the center of the connecting round table, a conductive column is arranged in the conductive taper groove, and a mounting ring groove is formed on the outer side of the conductive taper groove.
3. The electrode pole connection apparatus of claim 1, wherein One end of the electrode rod is provided with a mounting ring, the center of the mounting ring is provided with a conductive taper table, a conductive circular groove is formed at the center of the conductive taper table, and a friction groove is formed on the inner side end face of the mounting ring.
4. The electrode pole connection apparatus of claim 1, wherein A plurality of lock holes are uniformly formed on the outer cylindrical surface of the lock cap, a locking internal thread is formed on the inner cylindrical surface of the lock cap, and a friction convex is formed on the inner wall of the lock cap.