Plug structure of converter of electric vehicle
By adopting a combination of a fixing sleeve and a clamping screw in the electric vehicle converter plug, the problem of unstable connection between the plug and the wiring harness is solved, achieving a tight connection between the plug and the wiring harness and convenient replacement, thereby improving the reliability and maintenance convenience of the electric vehicle converter.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-13
- Publication Date
- 2026-03-24
AI Technical Summary
The connection between the plug and the wiring harness in the existing electric vehicle converter plug is not stable enough during use. It is easy for the contact to break due to shaking, and it is inconvenient to repair after the plug is damaged.
A plug structure was designed, including a plug housing and a clamping assembly. The combination of a fixing sleeve and a clamping screw ensures a tight connection between the plug and the wire harness, and the plug can be easily replaced when it is damaged.
It improves the tightness of the connection between the plug and the wire harness, avoids contact breakage caused by shaking, and facilitates plug replacement and maintenance.
Smart Images

Figure CN224036674U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electric vehicle converter technical field, concretely is a kind of electric vehicle converter plug structure. BACKGROUND
[0002] Electric vehicle converter plug is an important component of electric vehicle converter, for realizing the electrical connection between electric vehicle battery and charging equipment or other electrical equipment, electric vehicle converter, also known as DC-DC converter or voltage reducer, its main function is to convert high-voltage direct current (such as 48V, 60V, 72V etc.) provided by electric vehicle battery into low-voltage direct current (usually 12V), to meet the power demand of various low-voltage electrical equipment on the car (such as horn, instrument, car light, power steering system, air conditioner etc.).
[0003] The existing electric vehicle converter plug, such as the electric vehicle converter plug disclosed in publication No. CN219553982U, although has the advantages of good fixing effect of the plug inside the plug and convenient disassembly, but the plug installed in the plug is inconvenient to maintain continuous compression with the wire harness to strengthen the stability of electrical connection between the plug and the wire harness. Therefore, we propose a electric vehicle converter plug structure. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving one of the technical problems existing in prior art or related art.
[0005] Therefore, the technical scheme adopted by the utility model is as follows:
[0006] An electric vehicle converter plug structure, comprising: a plug shell, a compression assembly; the compression assembly comprises an installation cavity arranged at the bottom of the plug shell, a mounting seat movably mounted on one side of the installation cavity, a fixed column fixedly installed in an array on one side of the mounting seat, a wire harness wound fixedly on the upper end of the fixed column, a fixed sleeve movably installed on the outer end of the fixed column, a plug fixedly connected to the top of the fixed sleeve, a first threaded hole formed in the fixed column, and a compression screw movably installed in the first threaded hole.
[0007] Preferably, the upper part of the fixed column is further provided with a clamping groove, and a clamping block is further fixedly installed in the fixed sleeve and matched with the clamping groove.
[0008] Preferably, a stop block is further fixedly installed in an array on one side of the installation cavity.
[0009] Preferably, a partition plate is further fixedly installed in an array on one side of the mounting seat.
[0010] Preferably, a wire harness hole is further arranged and penetrated in the bottom of the installation cavity, and the wire harness is located in the wire harness hole.
[0011] Preferably, the upper part of the installation cavity is movably provided with a cover plate, and a notch is arranged in the cover plate, and the insertion piece is movably arranged in the notch.
[0012] Preferably, second threaded holes and mounting holes are arranged on both sides of the cover plate, and lock screws are movably arranged in the second threaded holes and the mounting holes.
[0013] By using the above technical scheme, the utility model has the beneficial effects of:
[0014] 1. In the utility model, the fixed sleeve arranged at the bottom of the insertion piece in the plug shell can stably install the insertion piece on the upper end of the fixed column through the fixed sleeve, and the tight connection between the insertion piece and the wire harness can be maintained through the compression screw in the inner end of the fixed column, so that the fastening of the connection between the insertion piece and the wire harness in the plug is improved, and the problem of contact disconnection between the insertion piece and the wire harness caused by shaking in use is avoided. At the same time, the sleeving structure between the fixed sleeve at the bottom of the insertion piece and the fixed column can also ensure the stability of the installation of the insertion piece, so that the insertion piece is not easy to be separated.
[0015] 2. In the utility model, after the insertion piece in the plug shell is damaged, it can be conveniently taken out and replaced after the cover plate in the plug shell is disassembled, so that the convenience in maintenance is improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a whole structure diagram of the utility model;
[0017] Figure 2 It is another perspective view of the utility model;
[0018] Figure 3 It is an internal structure diagram of the plug shell of the utility model;
[0019] Figure 4 It is an explosion view of the internal components of the plug shell of the utility model;
[0020] Figure 5 It is a disassembly view of the insertion piece and the compression screw of the mounting seat of the utility model;
[0021] Figure 6 It is a top view of the installation cavity of the utility model.
[0022] REFERENCE SIGNS:
[0023] 100, plug shell;
[0024] 200, compression assembly; 201, mounting cavity; 202, mounting seat; 203, fixed column; 204, wire harness; 205, fixed sleeve; 206, plug; 207, first threaded hole; 208, compression screw; 209, clamping groove; 210, clamping block; 211, stop block; 212, partition plate; 213, wire harness hole; 214, cover plate; 215, notch; 216, second threaded hole; 217, mounting hole; 218, locking screw. DETAILED DESCRIPTION
[0025] To make the purpose, technical scheme and advantages of the utility model clearer and more explicit, the utility model is further described in detail below in combination with specific embodiments and with reference to the drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.
[0026] Some embodiments of the utility model are described below in combination with the drawings to provide an electric vehicle converter plug structure.
[0027] Embodiment one:
[0028] In combination with Figures 1-6 the drawings, the utility model provides an electric vehicle converter plug structure, which comprises a plug shell 100 and a compression assembly 200. The compression assembly 200 comprises a mounting cavity 201 arranged at the bottom of the plug shell 100, a mounting seat 202 movably arranged at one side of the mounting cavity 201, fixed columns 203 arranged and fixed at one side of the mounting seat 202, wire harnesses 204 wound and fixed on the upper ends of the fixed columns 203, fixed sleeves 205 movably arranged at the outer ends of the fixed columns 203, plug pieces 206 fixedly connected to the top of the fixed sleeves 205, first threaded holes 207 formed in the fixed columns 203, compression screws 208 movably arranged in the first threaded holes 207, clamping grooves 209 further formed in the upper parts of the fixed columns 203, clamping blocks 210 further fixedly arranged in the fixed sleeves 205 and matched with the clamping grooves 209, stop blocks 211 further arranged and fixed at one side of the mounting cavity 201, partition plates 212 further arranged and fixed at one side of the mounting seat 202, wire harness holes 213 further arranged and penetrated at the bottom of the mounting cavity 201 and in which the wire harnesses 204 are arranged, cover plates 214 further movably arranged at the upper part of the mounting cavity 201, notches 215 further arranged and penetrated in the cover plates 214 and in which the plug pieces 206 are movably arranged, second threaded holes 216 and mounting holes 217 further formed at the two sides of the plug shell 100 and the two sides of the cover plates 214, and locking screws 218 movably arranged in the second threaded holes 216 and the mounting holes 217. The compression screws 208 and the locking screws 218 are made of plastic.
[0029] Specific, electric car converter plug is an important part of electric car converter, for realizing the electrical connection between electric car battery and charging equipment or other electrical equipment; the fixed sleeve 205 arranged at the bottom of the plug-in piece 206 in the plug shell 100 can make the plug-in piece 206 stably installed on the upper end of the fixed column 203 through the fixed sleeve 205, and the tight connection between the fixed sleeve 205 and the wire harness 204 is kept through the compression screw 208 in the inner end of the fixed column 203, so as to improve the fastening of the connection between the plug-in piece 206 and the wire harness 204 in the plug, avoid the problem that the plug-in piece 206 and the wire harness 204 are disconnected due to shaking in use, at the same time, the sleeve structure between the fixed sleeve 205 at the bottom of the plug-in piece 206 and the fixed column 203 can also ensure the stability of the installation of the plug-in piece 206, so that it is not easy to separate, and the plug-in piece 206 in the plug shell 100 can also be conveniently taken out and replaced after the cover plate 214 in the plug shell 100 is disassembled, so as to improve the convenience in maintenance, the compression screw 208 installed in the fixed column 203 mainly compresses the fixed sleeve 205, so that the fixed sleeve 205 is tightly connected with the wire harness 204, the stop block 211 installed on one side of the installation cavity 201 mainly blocks the outside of the compression screw 208 to avoid loosening of the compression screw 208 in shaking, the clamping groove 209 formed in the upper part of the fixed column 203 and the clamping block 210 installed in the fixed sleeve 205 mainly ensure the restraint positioning of the fixed sleeve 205 after being installed on the outer end of the fixed column 203, avoid the rotation of the fixed sleeve 205 and the plug-in piece 206 after installation, the partition plate 212 arranged and installed on one side of the mounting seat 202 mainly blocks the wire harness 204 and the fixed sleeve 205 on the outer end of the adjacent fixed column 203, and the cover plate 214 installed on the outer end of the installation cavity 201 mainly compresses and fixes the mounting seat 202 in the installation cavity 201, so as to ensure the stability of the mounting seat 202, so that the mounting seat 202 can also be conveniently taken out by disassembling the cover plate 214, so as to conveniently maintain the damaged parts on the upper end.
[0030] The working principle and use process of the utility model are as follows:
[0031] When the plug shell 100 shakes in use, the fixed sleeve 205 installed on the outer end of the fixed column 203 in the installation cavity 201 is always in compression of the compression screw 208 on the outside, so that the fixed sleeve 205 compressed by the compression screw 208 can keep the tight connection with the wire harness 204 when the plug shell 100 shakes violently, at the same time, the stop block 211 on the outside of the compression screw 208 in the installation cavity 201 can also block the outside of the compression screw 208 to avoid loosening of the compression screw 208, so as to always strengthen the electrical connection between the plug-in piece 206 and the wire harness 204, at the same time, when the plug-in piece 206 in the plug shell 100 is damaged, the cover plate 214 on the outer end of the installation cavity 201 can be removed, so that the mounting seat 202 can be taken out as a whole, so as to conveniently replace the damaged plug-in piece 206 on the upper end.
[0032] 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 thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the following claims and their equivalents.
Claims
1. A plug structure for an electric vehicle converter, characterized in that, include: Plug housing (100), clamping assembly (200); The clamping assembly (200) includes a mounting cavity (201) provided at the bottom of the plug housing (100), a mounting base (202) movably mounted on one side of the mounting cavity (201), fixing posts (203) arranged and fixedly mounted on one side of the mounting base (202), a wire harness (204) wound and fixedly wound on the upper end of each fixing post (203), a fixing sleeve (205) movably mounted on the outer end of each fixing post (203), a insert (206) fixedly connected to the top of each fixing sleeve (205), a first threaded hole (207) opened in each fixing post (203), and a clamping screw (208) movably mounted in each first threaded hole (207).
2. The electric vehicle converter plug structure according to claim 1, characterized in that, Each of the fixed columns (203) is provided with a slot (209) on its upper part, and each of the fixed sleeves (205) is also provided with a block (210) fixedly installed inside, and the block (210) and the slot (209) are matched.
3. The electric vehicle converter plug structure according to claim 1, characterized in that, A stop block (211) is also fixedly installed on one side of the mounting cavity (201).
4. The electric vehicle converter plug structure according to claim 1, characterized in that, A partition (212) is also fixedly installed on one side of the mounting base (202).
5. The electric vehicle converter plug structure according to claim 1, characterized in that, The bottom of the mounting cavity (201) is also provided with wire harness holes (213), and the wire harness (204) is located in the wire harness holes (213).
6. The electric vehicle converter plug structure according to claim 1, characterized in that, A cover plate (214) is also movably installed on the upper part of the mounting cavity (201). The cover plate (214) is also provided with through slots (215) and inserts (206) are movably located in the slots (215).
7. The electric vehicle converter plug structure according to claim 1, characterized in that, The plug housing (100) and the cover plate (214) are respectively provided with a second threaded hole (216) and a mounting hole (217). A locking screw (218) is movably installed in the second threaded hole (216) and the mounting hole (217). The locking screw (208) and the locking screw (218) are both made of plastic.
Citation Information
Patent Citations
Electric vehicle converter plug
CN219553982U