Connector with explosion-proof function
By designing a connector that uses spark-free materials and multiple protective mechanisms, the problem that traditional connectors cannot prevent sparks in flammable or explosive environments is solved, effective sealing and explosion-proof of hazardous substances is achieved, and the safe operation of the connector is ensured.
Patent Information
- Application Number
- CN202421715810.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-07-19
AI Technical Summary
Traditional connectors cannot effectively prevent sparks in flammable or explosive environments, resulting in the risk of potential fire or explosion.
A connector with explosion-proof function is designed, including a female connector and a child connector, made of spark-free material, and sealing and explosion-proof of combustible gases, steam or dust through technical means such as locking components, rebound mechanisms, anti-stup mechanisms and explosion-proof gaps.
It effectively prevents the invasion of dangerous substances, ensures the long-term and stable operation of the connector, reduces the risk of sparks and explosions, and uses the explosion-proof gap to buffer the airflow when an explosion occurs, reducing the power of the explosion.
Smart Images

Figure CN222802200U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of connectors, and more specifically to a connector with explosion-proof function. Background Art
[0002] In many industrial applications, especially in flammable or explosive environments, electrical equipment and connectors must meet specific safety standards to ensure operator safety and avoid causing fire or explosion.
[0003] Conventional connectors do not provide adequate protection in these environments as they fail to prevent sparks from being generated, which could result in an explosion, so there is a need for explosion-proof connectors that can be used safely in high-hazard environments. Utility Model Content
[0004] In order to overcome the above defects of the prior art, the utility model provides a connector with explosion-proof function to solve the problems existing in the above background technology.
[0005] The utility model provides the following technical solutions: a connector with explosion-proof function, comprising a female connector and a sub-connector, the female connector comprising a mounting seat and an embedding tube arranged on one side of the mounting seat, the sub-connector comprising a plug and a fitting cavity that fits with the embedding tube, an anti-fool mechanism is arranged between the plug and the embedding tube, a locking assembly is arranged between the female connector and the sub-connector for quick release and fixation, and a rebound mechanism for squeezing the sub-connector is arranged on one side of the female connector.
[0006] As a further solution of the utility model, an explosion-proof gap is provided inside the fitting cavity.
[0007] As a further solution of the utility model, the locking assembly includes two card slots, which are respectively opened at the top and bottom of the circumference of the sub-connector, and a force-bearing inclined surface is opened in the card slot. The top and bottom of the mounting seat are opened with mounting grooves, and a slide is inserted in the mounting groove. The bottom end of the slide is provided with an extrusion inclined surface for extruding the force-bearing inclined surface. A threaded rod is connected to the inner thread of the slide, and the threaded rod is rotatably connected to the mounting seat.
[0008] As a further solution of the utility model, knobs are provided at the ends of the two threaded rods.
[0009] As a further solution of the utility model, the rebound mechanism includes a spring, which is sleeved on the circumferential outer wall of the embedded tube. One end of the spring is fixed to the mounting seat, and the other end of the spring is fixed with a pressure ring sleeved on the circumferential outer wall of the embedded tube.
[0010] As a further solution of the utility model, a sealing ring is bonded to one side of the pressure ring, and the sealing ring is in contact with the sub-connector.
[0011] As a further solution of the utility model, the fool-proofing mechanism includes a plurality of fool-proofing grooves, all of which are arranged on the circumferential inner wall of the embedded tube, and the circumferential outer side of the plug is provided with fool-proofing strips corresponding to the plurality of fool-proofing grooves.
[0012] As a further solution of the utility model, a wire protection sleeve is provided at the rear end of the sub-connector.
[0013] Technical effects and advantages of the utility model:
[0014] 1. The utility model uses a locking assembly to quickly fix the female connector and the sub-connector, and uses a rebound mechanism to elastically support the female connector and the sub-connector after the locking assembly is fixed, thereby effectively connecting and fixing the female connector and the sub-connector with a high degree of sealing, thereby preventing flammable gas, steam or dust from entering the interior, thereby not only preventing the intrusion of dangerous substances, but also ensuring the long-term stable operation of the connector.
[0015] 2. The female connector and the sub-connector in the present invention are both made of spark-free materials, thereby effectively reducing the risk of sparks.
[0016] 3. An explosion-proof gap is provided inside the fitting cavity of the utility model, and the explosion-proof gap is used to buffer the airflow of the connector when an explosion occurs, thereby effectively reducing the explosion force. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the three-dimensional exploded structure of the utility model.
[0018] Figure 2 This is a schematic diagram of the sub-connector structure of the utility model.
[0019] Figure 3 This is a schematic diagram of the structure of the female connector of the present utility model.
[0020] The accompanying drawings are marked as follows: 1. Locking assembly; 2. Female connector; 3. Sub-connector; 4. Wire sheath; 5. Force-bearing inclined plane; 6. Anti-foolproof strip; 7. Plug; 8. Fitting cavity; 9. Explosion-proof gap; 10. Card slot; 11. Mounting slot; 12. Extrusion inclined plane; 13. Mounting seat; 14. Spring; 15. Pressing ring; 16. Sealing ring; 17. Threaded rod; 18. Slide; 19. Anti-foolproof groove; 20. Embedded tube. DETAILED DESCRIPTION
[0021] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative, and the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.
[0022] Reference Figure 1-Figure 3 The utility model provides a connector with explosion-proof function, including a female connector 2 and a sub-connector 3, the female connector 2 including a mounting seat 13 and an embedding tube 20 arranged on one side of the mounting seat 13, the sub-connector 3 including a plug 7 and a fitting cavity 8 that fits with the embedding tube 20, an anti-fool mechanism is arranged between the plug 7 and the embedding tube 20, a locking assembly 1 is arranged between the female connector 2 and the sub-connector 3 for quick disassembly and fixation, a rebound mechanism for squeezing the sub-connector 3 is arranged on one side of the female connector 2, so that the embedding tube 20 is conveniently inserted into the fitting cavity 8 in a fixed position direction through the anti-fool mechanism, and then the female connector 2 and the sub-connector 3 are quickly fixed through the locking assembly 1, and after the locking assembly 1 is fixed, the female connector 2 and the sub-connector 3 are elastically supported through the rebound mechanism, so that the female connector 2 and the sub-connector 3 are effectively 2 and the sub-connector 3 are connected and fixed with a high degree of sealing, thereby preventing flammable gas, steam or dust from entering the interior. Therefore, it not only prevents the intrusion of dangerous substances, but also ensures the long-term stable operation of the connector. At the same time, the female connector 2 and the sub-connector 3 are made of spark-free materials, thereby effectively reducing the risk of sparks. An explosion-proof gap 9 is provided inside the fitting cavity 8. At the same time, the explosion-proof gap 9 allows the connector to perform airflow buffering when an explosion occurs, effectively reducing the power of the explosion. The anti-idiot mechanism includes a plurality of anti-idiot grooves 19, and the plurality of anti-idiot grooves 19 are all opened on the circumferential inner wall of the embedded tube 20. An anti-idiot strip 6 corresponding to the plurality of anti-idiot grooves 19 is provided on the circumferential outer side of the plug 7, thereby facilitating the female connector 2 and the sub-connector 3 to be plugged in a fixed position. A wire protection sleeve 4 is provided at the rear end of the sub-connector 3 to protect the cable.
[0023] In the utility model, the locking assembly 1 includes two card slots 10, and the two card slots 10 are respectively opened at the top and bottom of the circumference of the sub-connector 3. A force-bearing inclined surface 5 is opened in the card slot 10, and a mounting groove 11 is opened at the top and bottom of the mounting seat 13. A slide 18 is inserted in the mounting groove 11, and the bottom end of the slide 18 is provided with an extrusion inclined surface 12 for extruding the force-bearing inclined surface 5. The slide 18 is internally threaded with a threaded rod 17, and the threaded rod 17 is rotatably connected to the mounting seat 13. Knobs are provided at the ends of the two threaded rods 17. By rotating the threaded rod 17, the threaded rod 17 drives the slide 18 to move downward into the card slot 10, and the force-bearing inclined surface 5 is extruded by the extrusion inclined surface 12, so that the female connector 2 and the sub-connector 3 are connected.
[0024] In the utility model, the rebound mechanism includes a spring 14, which is sleeved on the circumferential outer wall of the embedded tube 20, one end of the spring 14 is fixed to the mounting seat 13, and the other end of the spring 14 is fixed with a pressure ring 15 which is sleeved on the circumferential outer wall of the embedded tube 20, a sealing ring 16 is bonded to one side of the pressure ring 15, and the sealing ring 16 is in contact with the sub-connector 3. After the mother connector 2 and the sub-connector 3 are connected, the elastic force generated by the spring 14 causes the pressure ring 15 to generate elastic force on the mother connector 2 and the sub-connector 3, so that the mother connector 2 and the sub-connector 3 are effectively supported after the connection, and the sealing line between the mother connector 2 and the sub-connector 3 is improved.
[0025] The working principle of the utility model is as follows: the anti-idiot groove 19 and the corresponding anti-idiot strip 6 facilitate the insertion of the embedded tube 20 into the fitting cavity 8 in a fixed position direction, and then the threaded rod 17 is rotated to drive the slide 18 to move downward into the card slot 10, and the force-bearing inclined surface 5 is squeezed by the extrusion inclined surface 12, so that the female connector 2 and the sub-connector 3 are quickly fixed, and the elastic force generated by the spring 14 causes the pressure ring 15 to generate elastic force on the female connector 2 and the sub-connector 3, so that the female connector 2 and the sub-connector 3 are effectively supported after connection, so that the female connector 2 and the sub-connector 3 are effectively connected and fixed with a higher sealing, thereby preventing flammable gas, steam or dust from entering the interior, so that not only the invasion of dangerous substances is prevented, but also the long-term stable operation of the connector is guaranteed. At the same time, the female connector 2 and the sub-connector 3 are made of spark-free materials, thereby effectively reducing the risk of sparks. An explosion-proof gap 9 is provided inside the fitting cavity 8, and the explosion-proof gap 9 is used to buffer the airflow of the connector when an explosion occurs, thereby effectively reducing the explosion power.
[0026] Finally, a few points should be explained: In the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;
[0027] In the drawings of the embodiments disclosed by the present invention, only the structures related to the embodiments disclosed by the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.
Claims
1. A connector with explosion-proof function, comprising a female connector (2) and a female connector (3), characterized in that: The female connector (2) comprises a mounting seat (13) and an embedding tube (20) arranged on one side of the mounting seat (13); the sub-connector (3) comprises a plug (7) and a fitting cavity (8) fitted with the embedding tube (20); an anti-mistake mechanism is provided between the plug (7) and the embedding tube (20); a locking assembly (1) is provided between the female connector (2) and the sub-connector (3) for quick release and fixing; and a rebound mechanism for squeezing the sub-connector (3) is provided on one side of the female connector (2).
2. The connector with explosion-proof function according to claim 1, characterized in that: An explosion-proof gap (9) is provided inside the fitting cavity (8).
3. The connector with explosion-proof function according to claim 1, characterized in that: The locking assembly (1) comprises two card slots (10), the two card slots (10) are respectively arranged at the top and bottom of the circumference of the sub-connector (3), a force-bearing inclined surface (5) is arranged in the card slot (10), the top and bottom of the mounting seat (13) are both provided with mounting slots (11), a slide (18) is inserted into the mounting slot (11), and an extrusion inclined surface (12) for extruding the force-bearing inclined surface (5) is arranged at the bottom end of the slide (18), a threaded rod (17) is connected to the inner thread of the slide (18), and the threaded rod (17) is rotatably connected to the mounting seat (13).
4. The connector with explosion-proof function according to claim 3, characterized in that: The ends of the two threaded rods (17) are both provided with knobs.
5. The connector with explosion-proof function according to claim 1, characterized in that: The rebound mechanism comprises a spring (14), the spring (14) is sleeved on the circumferential outer wall of the embedded tube (20), one end of the spring (14) is fixed to the mounting seat (13), and the other end of the spring (14) is fixed with a pressure ring (15) sleeved on the circumferential outer wall of the embedded tube (20).
6. The connector with explosion-proof function according to claim 5, characterized in that: A sealing ring (16) is bonded to one side of the pressure ring (15), and the sealing ring (16) is in contact with the sub-connector (3).
7. The connector with explosion-proof function according to claim 1, characterized in that: The foolproof mechanism comprises a plurality of foolproof grooves (19), the plurality of foolproof grooves (19) are all arranged on the circumferential inner wall of the embedding tube (20), and the circumferential outer side of the plug (7) is provided with foolproof strips (6) corresponding to the plurality of foolproof grooves (19).
8. The connector with explosion-proof function according to claim 1, characterized in that: A wire protection sleeve (4) is provided at the rear end of the sub-connector (3).