Error-proof special plug and socket connector
By incorporating limiting ribs and grooves on the sockets and plugs, misconnection between ordinary plugs and sockets and special plugs and sockets is prevented, thus solving the problem of misconnection in the prior art and improving the safety and reliability of the equipment.
Patent Information
- Application Number
- CN202423094314.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-13
AI Technical Summary
Existing industrial plug and socket connectors are difficult to prevent misconnection of ordinary plugs and special sockets when facing special requirements, which may lead to equipment malfunction or safety hazards.
The specially designed plug and socket connector is designed to prevent errors. By setting socket limiting ribs in the socket and plug limiting grooves in the plug, it ensures a special fit between the plug and socket, preventing the use of ordinary plugs or sockets that are incompatible with it.
It effectively prevents misconnection of plugs and sockets with different electrical parameters, improves the safety and reliability of the equipment, and meets the requirement of having only one installation location in the standard.
Smart Images
Figure CN223583413U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of connector, specifically disclose a special plug socket connector of mistake proofing. BACKGROUND
[0002] In the industrial field, plug socket connectors are key components for electrical connection. According to the provisions of the national standard GB / T11918.2, the connector is equipped with a guide mistake-proofing device, such as a lug or a groove matching retaining mechanism, to ensure that the plug and socket can only have one correct installation position when plugged in. This design effectively prevents misplug between the plug and socket, improving the safety and reliability of the connection.
[0003] Although ordinary industrial plug socket connectors have versatility in electrical parameters, specifications and shape characteristics, they can meet the needs of various occasions, but this versatility also brings certain problems. In particular, for those special industrial plug socket connectors with the same shape characteristics as ordinary plugs and sockets but different electrical parameters, if plugs and sockets with different electrical parameters are used for connection, it may cause the equipment to malfunction, even cause equipment damage or fire hazards. Therefore, the existing universal connector is difficult to fully meet the standard requirements of safety and professionalism in the industrial field when facing special needs.
[0004] In order to overcome the above problems, a connector with a mistake-proof structure is proposed, which aims to prevent the misconnection of ordinary industrial plugs or sockets with special plugs and sockets, thereby avoiding the risk of misassembly. Special plugs and sockets can be used exclusively in pairs to ensure that only matching plugs and sockets can be connected, while other ordinary plugs or sockets cannot be mixed and assembled for communication. SUMMARY
[0005] The utility model aims at overcoming the defects of prior art, and provides a special plug socket connector of mistake proofing.
[0006] The utility model discloses a special plug socket connector of mistake proofing adopts the following technical scheme:
[0007] A special plug socket connector of mistake proofing, the plug includes the plug shell and the pin arranged in the plug shell, the plug shell outside is equipped with the plug limiting block, the socket includes the socket shell and the bushing arranged in the socket shell, the bushing is inserted with the pin, the socket shell is equipped with the first limit slot that the plug limiting block inserts, the first limit slot of the socket shell is equipped with the socket limiting rib, the plug limiting block of the plug shell is equipped with the plug limit slot that the socket limiting rib inserts, the inside of the plug shell is equipped with the plug limiting rib, the inside of the socket shell is equipped with the second limit slot that the plug limiting rib inserts.
[0008] Preferably, the socket shell comprises a socket outer wall and a socket core column, the socket sleeve is arranged in the core column, and the socket outer wall and the socket core column form a socket slot for inserting the plug shell; the second limiting groove is arranged on the core column and communicates with the socket slot and the first limiting groove.
[0009] Preferably, the second limiting groove is arranged opposite to the socket limiting rib.
[0010] Preferably, the top end of the socket limiting rib is recessed in the top end of the socket outer wall.
[0011] Preferably, the side end of the socket limiting rib is connected with the inner side wall of the plug outer wall, and the bottom end of the socket limiting groove is connected with the inner bottom wall of the plug outer wall.
[0012] Preferably, the plug shell comprises a plug outer wall, the plug outer wall is matched and inserted with the socket slot; and the inner side of the plug outer wall forms a plug cavity for inserting the socket core column.
[0013] Preferably, the top end of the plug limiting rib is flush with the top end of the plug outer wall.
[0014] Preferably, the side end of the plug limiting rib is connected with the inner side wall of the plug outer wall, and the bottom end of the plug limiting rib is connected with the bottom wall of the plug cavity.
[0015] Preferably, the plug outer wall is a circular cylindrical structure.
[0016] Preferably, the plug limiting rib is a straight sheet, and the socket limiting rib is a straight sheet.
[0017] Compared with the prior art, the utility model at least has the following beneficial effects:
[0018] The utility model discloses a socket limiting rib is arranged on the socket, and a plug limiting groove is arranged on the plug, a plug limiting rib is arranged on the plug, and a second limiting groove is arranged on the socket, when the plug and the socket of the connector are connected, the plug limiting block, the plug limiting rib and the plug limiting groove of the plug respectively enter the first limiting groove, the second limiting groove and the socket limiting rib of the socket, the pin and the sleeve are matched and inserted and electrically connected, so that the two are specially matched and connected, and other ordinary plugs or sockets cannot be used with them, thereby avoiding the possibility that different electric parameter plugs and sockets are connected, and the safety performance of the product is improved. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a structural schematic view of the special plug and socket connector of the utility model;
[0020] Figure 2 The plug structure schematic view of the utility model;
[0021] Figure 3 The plug front view of the utility model;
[0022] Figure 4 The socket structure schematic view of the utility model;
[0023] Figure 5 The socket front view of the utility model;
[0024] Figure 6 The plug and socket connector plugging state schematic view of the utility model;
[0025] Figure 7 The Figure 6 A-A sectional view of the utility model.
[0026] Explanation of the attached drawing:
[0027] 1, plug; 11, plug outer wall; 12, plug cavity; 13, pin; 14, plug limiting block; 15, plug limiting slot; 16, plug limiting rib; 2, socket; 21, socket outer wall; 22, socket core column; 23, plug sleeve; 24, first limiting slot; 25, socket limiting rib; 26, second limiting slot; 27, plug slot. Specific implementation
[0028] In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, the utility model is further explained in detail below by combining with the attached drawing and specific implementation.
[0029] The embodiment discloses a special plug and socket connector for error prevention, and refers to Figure 1 The connector includes plug 1 and socket 2. Wherein, plug 1 includes plug shell and pin 13 arranged in plug shell, and plug limiting block 14 is arranged on the outside of plug shell. Socket 2 includes socket shell and plug sleeve 23 arranged in socket shell, plug sleeve 23 is matched and plugged with pin 13, and socket shell is provided with first limiting slot 24 for plug limiting block 14.
[0030] The existing ordinary industrial plug and socket are matched and plugged through first limiting slot 24 and plug limiting block 14, in order to avoid confusion with ordinary industrial plug and socket, see Figures 2-5The first limiting slot 24 of the socket shell is provided with a socket limiting rib 25, the plug limiting block 14 of the plug shell is provided with a plug limiting slot 15 for the insertion of the socket limiting rib 25, the plug limiting block 14 is divided into two blocks by the socket limiting slot 15, and the first limiting slot 24 is divided into two slots by the socket limiting rib 25. The socket limiting rib 25 is arranged on the socket 2 and matched with the plug limiting slot 15, and the common plug only has one plug limiting block 14 and no plug limiting slot 15, the plug limiting block 14 of the common plug is blocked by the socket limiting rib 25 and cannot be inserted into the socket, so that the misassembly is prevented, the possibility of the connection of the common plug with the socket with different electrical parameters is avoided, and the safety performance of the product is improved.
[0031] In addition, referring to Figures 2-5 , the inner side of the plug shell is provided with a plug limiting rib 16, and the inner side of the socket shell is provided with a second limiting slot 26 for the insertion of the plug limiting rib 16. The plug limiting rib 16 is arranged on the plug and matched with the second limiting slot 26, and the common socket has no second limiting slot 26 and is blocked by the plug limiting rib 16, so that the plug 1 with the plug limiting rib 16 cannot be matched with the socket, thereby preventing misassembly and avoiding the possibility of the connection of the plug of the present scheme with the common socket with different parameters. In this way, only when the plug 1 and the socket 2 of the connector of the present scheme are matched with each other, the plug limiting rib 16 and the plug limiting slot 15 are matched with the second limiting slot 26 and the socket limiting rib 25 of the socket 2 respectively, and the two can be normally inserted, otherwise they cannot be inserted, the abnormal connection of the pin 13 and the sleeve 23 is avoided, the safe use of the equipment is ensured, and the requirement in the standard that there is only one installation position when the socket and the plug are connected is met.
[0032] Specifically, the plug shell includes a plug outer wall 11, the inner side of the plug outer wall 11 forms a plug cavity 12, and the pins 13 are arranged non-concentrically in the plug cavity 12; the socket shell includes a socket outer wall 21 and a socket core column 22, the sleeve 23 is arranged non-concentrically on the core column 22, the plug cavity 12 is formed between the socket outer wall 21 and the socket core column 22 and is used for the insertion of the plug shell 11, and the plug cavity 12 is used for the insertion of the socket core column 22. The second limiting slot 26 is arranged on the core column 22 and communicates with the plug slot 27 and the first limiting slot 24, the plug limiting block 14 is arranged on the outer side of the plug outer wall 11, and the plug limiting rib 16 is arranged on the inner side of the plug outer wall 11, so that when the plug 1 and the socket 2 are matched and inserted, referring to Figures 6-7 , the plug outer wall 11 is inserted into the plug slot 27 of the socket 2, the plug limiting rib 16 is matched with the second limiting slot 26 of the socket 2, the plug limiting block 14 is matched with the first limiting slot 24, and the socket limiting rib 25 is matched with the plug limiting slot 15. In the embodiment, the plug outer wall 11 is a circular cylindrical structure, and the plug slot 27 of the socket 2 is a circular ring slot structure.
[0033] As a preferred scheme, the second limiting groove 26 of the socket 2 is arranged opposite to the socket limiting rib 25, by adopting the design, the butt joint position of the socket limiting rib 25 on the plug 1 is close to the butt joint position of the plug limiting rib 16 on the socket 2, so that the operator can more easily align the plug, and the plug and socket operation process is more easy.
[0034] As a preferred scheme, the top end of the socket limiting rib 25 is recessed in the top end of the socket outer wall 21, and the top end of the plug limiting rib 16 is flush with the top end of the plug outer wall 11. By adopting the design, the butt joint of each rib and slot of the plug 1 and the socket 2 is more easy when plugging, which is beneficial to the actual plug use.
[0035] As a preferred scheme, the side end of the socket limiting rib 25 is connected with the inner side wall of the plug outer wall 21, and the bottom end of the socket limiting groove 25 is connected with the inner bottom wall of the plug outer wall 21; similarly, the side end of the plug limiting rib 16 is connected with the inner side wall of the plug outer wall 11, and the bottom end of the plug limiting rib 16 is connected with the bottom wall of the plug cavity 12. By adopting the design, the connection strength of the socket limiting rib 25 on the socket 2 is better, and the connection strength of the plug limiting rib 16 on the plug 1 is better, which improves the service life.
[0036] In the embodiment, the plug limiting rib 16 is a straight sheet, and the socket limiting rib 25 is a straight sheet. The straight sheet limiting rib is more easy to produce and manufacture, and the actual operation is better for plug. Of course, in other embodiments, the plug limiting rib 16 and the socket limiting rib 25 can be S-shaped, C-shaped, circular or other special shapes.
[0037] The above describes the technical solutions provided by the utility model in detail, and the principles and implementation manners of the utility model are described by applying specific examples. The above embodiment is only used to help understand the method and core idea of the utility model. Meanwhile, for the general technical personnel in the field, the specific implementation manner and application range will be changed according to the idea of the utility model. In conclusion, the content of the specification should not be understood as the limitation of the utility model.
Claims
1. A mistake-proof special plug and socket connector, the plug comprising a plug housing and pins arranged in the plug housing, the plug housing being provided with a plug limiting block outside; the socket comprising a socket housing and sockets arranged in the socket housing, the sockets being in plug-in cooperation with the pins, the socket housing being provided with a first limiting groove for the plug limiting block to be inserted into; characterized in that a socket limiting rib is arranged in the first limiting groove of the socket housing, a plug limiting groove is arranged on the plug limiting block of the plug housing for the socket limiting rib to be inserted into; a plug limiting rib is arranged on the inner side of the plug housing, and a second limiting groove is arranged on the inner side of the socket housing for the plug limiting rib to be inserted into.
2. The foolproof special plug and socket connector according to claim 1, characterized in that, The socket housing comprises a socket outer wall and a socket core column, the sockets are arranged in the core column, and the socket outer wall and the socket core column form a plug slot for the plug housing to be inserted into; the second limiting groove is arranged on the core column and is in communication with the plug slot and the first limiting groove.
3. The foolproof special plug and socket connector according to claim 2, characterized in that, The second limiting groove is arranged opposite to the socket limiting rib.
4. The foolproof special plug and socket connector according to claim 2, wherein The top end of the socket limiting rib is recessed in the top end of the socket outer wall.
5. The foolproof special plug and socket connector according to claim 2, wherein The side end of the socket limiting rib is connected with the inner side wall of the plug outer wall, and the bottom end of the socket limiting groove is connected with the inner bottom wall of the plug outer wall.
6. The foolproof special plug and socket connector according to claim 2, wherein The plug housing comprises a plug outer wall, the plug outer wall is in plug-in cooperation with the plug slot; and a plug cavity is formed on the inner side of the plug outer wall for the socket core column to be inserted into.
7. The foolproof special plug and socket connector according to claim 6, characterized in that, The top end of the plug limiting rib is flush with the top end of the plug outer wall.
8. The mistake-proofing special purpose plug and socket connector of claim 6, wherein, The side end of the plug limiting rib is connected with the inner side wall of the plug outer wall, and the bottom end of the plug limiting rib is connected with the bottom wall of the plug cavity.
9. The mistake-proof special-purpose plug-and-socket connector according to any one of claims 6-8, characterized in that, The plug outer wall is a circular cylindrical structure.
10. The foolproof special plug and socket connector according to any one of claims 1-8, characterized in that, The plug limiting rib is a straight sheet, and the socket limiting rib is a straight sheet.