A separable connector elbow plug

By introducing conductive rods, sealing rings and anti-disengagement mechanisms into the separable connector elbow plug, the safety problems caused by the plug fall off are solved, and a more stable and safe connection is achieved, ensuring the long-term use of the equipment and the safety of personnel.

CN118867759BActive Publication Date: 2024-12-27GANZHOU KANGJIN ELECTRIC EQUIP CO LTD
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Patent Information

Application Number
CN202411348832.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-09-26
Publication Date
2024-12-27
Estimated Expiration
2044-09-26

AI Technical Summary

Technical Problem

The existing separable connector elbow plugs are prone to fall off when used, resulting in safety issues such as electrical short circuits, equipment damage and fire, and lack of effective locking and anti-falling technology.

Method used

A separable connector elbow plug is designed including a conductive rod, a sealing ring, a protective cover and an anti-disengagement mechanism to achieve a firm connection of the conductive rod through a number of locking pins and a transmission mechanism and automatically when fire or smoke is detected. Unplug the plug to shut off the power.

Benefits of technology

Effectively prevent the conductive rod from falling off, improve connection stability, extend service life, reduce the risk of safety accidents, and improve safety through sealing and automatic pulling out functions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to the technical field of elbow plugs, and in particular to a detachable connector elbow plug, comprising a plug shell, a conductive rod fixedly installed in the plug shell, a battery core fixedly connected to one end of the conductive rod, an observation hole fixedly connected to the plug shell, a sealing ring slidingly provided on the inner wall of an open end of the plug shell, a protective cover rotatably provided in the open end of the plug shell, an anti-detachment mechanism rotatably provided in the plug shell, the anti-detachment mechanism comprising a plurality of locking pins. During the use of the detachable connector elbow plug, the anti-detachment mechanism is provided and the plurality of locking pins are utilized. When the conductive rod is plugged into a socket, the locking pins can firmly connect the two together to provide additional locking force, prevent the conductive rod from falling off under vibration or impact, and reduce the risk of safety accidents caused by the falling off of the conductive rod. The invention has significant advantages in terms of improving connection stability, extending service life, and adapting to various environments.
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Description

Technical Field

[0001] The invention relates to the technical field of elbow plugs, and in particular to a detachable connector elbow plug. Background Art

[0002] At present, with the improvement of domestic production technology and the accumulation of operating experience, the technology of detachable connector elbow plug products is also constantly maturing and stabilizing. With the improvement of domestic production technology and the accumulation of operating experience, the domestically produced detachable connector elbow plug is a power supply and distribution product that occupies the mainstream scale of the market.

[0003] The detachable connector elbow plug is a pluggable cable connector plug with an elbow structure. It is a type of external cone pluggable cable terminal, mainly used for connecting cables to electrical equipment. The traditional detachable connector elbow plug may fall off during use due to factors such as the use environment, which may cause safety problems such as electrical short circuits, equipment damage, and even fire. At the same time, the fallen plug may be exposed in an easily accessible area, increasing the risk of electric shock, posing a safety threat to operators and surrounding personnel, resulting in low safety of the plug.

[0004] In summary, the prior art lacks a technology for locking and preventing the elbow plug of a detachable connector from falling off. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the background technology and to propose a detachable connector elbow plug.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is: a detachable connector elbow plug, comprising a plug shell, a conductive rod is fixedly installed in the plug shell, a battery core is fixedly connected to one end of the conductive rod, an observation hole is fixedly connected to the plug shell, a sealing ring is slidingly provided on the inner wall of the open end of the plug shell, a protective cover is rotatably provided in the open end of the plug shell, an anti-detachment mechanism is rotatably provided in the plug shell, the anti-detachment mechanism includes a plurality of locking pins, a transmission mechanism is rotatably provided in the plug shell, a push rod is provided on the outside of the plug shell, and a grounding wire is connected to the plug shell.

[0007] Preferably, the outer end of the sealing ring is arranged in a conical structure, the outer end of the sealing ring is arranged in sliding contact with the inner wall of the protective cover, the inner end of the sealing ring is fixedly connected with a plurality of springs, and the other end of the spring is fixedly connected with the inside of the plug housing.

[0008] Preferably, the protective cover is provided with an installation groove, in which a smoke sensor and a temperature sensor are respectively installed, one end of the protective cover is fixedly connected with a rotating shaft, the rotating shaft is rotatably connected to the inner wall of the plug shell, the other end of the rotating shaft is fixedly connected with a worm gear, one side of the worm gear is meshingly provided with a worm, the worm gear is rotatably connected to the inner wall of the plug shell, and a knob is fixedly connected to the outer end of the worm gear.

[0009] Preferably, the anti-disengagement mechanism also includes a threaded sleeve, which is rotatably connected to the inner wall of the plug shell, a driven wheel is fixedly connected to one end of the threaded sleeve, a driving wheel is meshingly transmitted on one side of the driven wheel, a rotating rod is fixedly connected to one end of the driving wheel, and the rotating rod penetrates and rotatably connects to the inner wall of the plug shell.

[0010] Preferably, an adjustment ring is threadedly connected to the outer wall of the threaded sleeve, a plurality of adjustment rods are rotatably connected to the adjustment ring, an adjustment frame is rotatably connected to the other end of the adjustment rod, a guide rod is slidably matched to the adjustment frame, the guide rod is fixedly connected to the inner wall of the plug shell, and the adjustment frame is fixedly connected to the locking pin.

[0011] Preferably, the transmission mechanism includes a universal joint, which is rotatably connected to the inner wall of the plug shell, an adjusting wheel is fixedly connected to the inner end of the universal joint, the adjusting wheel is meshed with the driving wheel for transmission, and a transmission wheel is fixedly connected to the outer end of the universal joint.

[0012] Preferably, a connecting frame is rotatably connected to one side of the push rod, the connecting frame is fixedly connected to the outer wall of the plug housing, and a motor is fixedly connected to one end of the push rod.

[0013] Preferably, a slider is slidably provided on the inner wall of one side of the connecting frame, a transmission rack is fixedly connected to one end of the slider, and the transmission rack is movably meshed with the transmission wheel for transmission.

[0014] Preferably, a connecting rod is rotatably connected to the push rod, and the other end of the connecting rod is rotatably connected to the sliding block.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. During the use of the detachable connector elbow plug, an anti-detachment mechanism is provided and multiple locking pins are used. When the conductive rod and the socket are plugged in, the locking pins can firmly connect the two together to provide additional locking force to prevent the conductive rod from falling off under vibration or impact, thereby reducing the risk of safety accidents caused by the conductive rod falling off. It has significant advantages in improving connection stability, extending service life, improving work efficiency, and adapting to various environments.

[0017] 2. By setting a protective cover, the opening of the plug shell can be tightly covered when the device is not in use, effectively isolating the conductive rod from dust, moisture and possible corrosive substances, thereby extending the service life of the conductive rod. By setting a sealing ring, through its good elasticity and sealing performance, the tightness of the conductive rod and the socket when connected is ensured, effectively preventing moisture, dust and other external substances from penetrating into the device through the interface gap, avoiding the occurrence of safety problems such as short circuit and leakage;

[0018] 3. By setting a push rod, when the sensor detects fire or smoke at the conductive rod and the socket, it can drive the anti-separation mechanism to loosen, so that the elbow plug is automatically pulled out, and the power supply can be quickly cut off to prevent the spread of fire and the occurrence of electrical fires, thereby protecting the safety of personnel and property and further improving the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of a detachable connector elbow plug of the present invention;

[0020] Figure 2 It is a schematic cross-sectional view of the overall structure of a detachable connector elbow plug of the present invention;

[0021] Figure 3 It is a schematic cross-sectional view of the structure of a plug housing and the like of a detachable connector elbow plug of the present invention;

[0022] Figure 4 It is a schematic diagram of the sealing ring structure of a detachable connector elbow plug of the present invention;

[0023] Figure 5 It is a schematic diagram of the protective cover structure of a detachable connector elbow plug of the present invention;

[0024] Figure 6 It is a schematic structural diagram of an anti-separation mechanism of a detachable connector elbow plug of the present invention;

[0025] Figure 7 It is a schematic diagram of the transmission mechanism structure of a detachable connector elbow plug of the present invention;

[0026] Figure 8 The present invention is a partial cross-sectional schematic diagram of a push rod structure of a detachable connector elbow plug.

[0027] 1. Plug housing; 2. Conductive rod; 3. Battery core; 4. Observation hole; 5. Sealing ring; 6. Protective cover; 7. Anti-separation mechanism; 8. Transmission mechanism; 9. Push rod; 10. Grounding wire; 501. Spring; 601. Mounting slot; 602. Smoke sensor; 603. Temperature sensor; 604. Rotating shaft; 605. Worm gear; 606. Worm; 607. Knob; 701. Locking pin; 702. Threaded sleeve; 703. Driven wheel; 704. Driving wheel; 705. Rotating rod; 706. Adjusting ring; 707. Adjusting rod; 708. Adjusting frame; 709. Guide rod; 801. Universal joint; 802. Adjusting wheel; 803. Transmission wheel; 901. Connecting frame; 902. Motor; 903. Sliding block; 904. Transmission rack; 905. Connecting rod. DETAILED DESCRIPTION

[0028] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0029] like Figure 1-Figure 8 The elbow-type plug of a detachable connector shown in the figure comprises a plug shell 1, a conductive rod 2 is fixedly installed in the plug shell 1, a battery core 3 is fixedly connected to one end of the conductive rod 2, an observation hole 4 is fixedly connected to the plug shell 1, a sealing ring 5 is slidingly provided on the inner wall of the open end of the plug shell 1, a protective cover 6 is rotatably provided in the open end of the plug shell 1, an anti-separation mechanism 7 is rotatably provided in the plug shell 1, and the anti-separation mechanism 7 includes a plurality of locking pins 701, a transmission mechanism 8 is rotatably provided in the plug shell 1, a push rod 9 is provided on the outside of the plug shell 1, and a grounding wire 10 is connected to the plug shell 1. The observation hole 4 can be used to observe the working conditions in the plug shell 1.

[0030] like Figure 4 As shown, the outer end of the sealing ring 5 is provided with a conical structure, the outer end of the sealing ring 5 is provided in sliding contact with the inner wall of the protective cover 6, the inner end of the sealing ring 5 is fixedly connected with a plurality of springs 501, and the other end of the spring 501 is fixedly connected with the plug housing 1. The spring 501 makes the sealing ring 5 have a certain elasticity, and the outer end of the sealing ring 5 is provided with a conical structure so that it can be squeezed and retracted when the protective cover 6 is closed.

[0031] like Figure 5As shown, the protective cover 6 is provided with an installation slot 601, in which the smoke sensor 602 and the temperature sensor 603 are respectively installed, and a rotating shaft 604 is fixedly connected at one end of the protective cover 6, and the rotating shaft 604 is rotatably connected to the inner wall of the plug housing 1, and a worm gear 605 is fixedly connected at the other end of the rotating shaft 604, and a worm 606 is meshingly provided at one side of the worm gear 605, and the worm 606 is rotatably connected to the inner wall of the plug housing 1, and a knob 607 is fixedly connected at the outer end of the worm 606. The worm 606 connected to the knob 607 is rotated, so that the worm 606 drives the rotating shaft 604 connected to the worm gear 605 to rotate, so that the rotating shaft 604 drives the connected protective cover 6 to rotate and open.

[0032] like Figure 6 As shown, the anti-separation mechanism 7 also includes a threaded sleeve 702, which is rotatably connected to the inner wall of the plug housing 1, a driven wheel 703 is fixedly connected to one end of the threaded sleeve 702, a driving wheel 704 is meshed and driven on one side of the driven wheel 703, and a rotating rod 705 is fixedly connected to one end of the driving wheel 704, and the rotating rod 705 penetrates and rotatably connects to the inner wall of the plug housing 1. The rotating rod 705 drives the driving wheel 704 to rotate, so that the driving wheel 704 drives the threaded sleeve 702 connected to the driven wheel 703 to rotate.

[0033] An adjusting ring 706 is threadedly connected to the outer wall of the threaded sleeve 702, and a plurality of adjusting rods 707 are rotatably connected to the adjusting ring 706. An adjusting frame 708 is rotatably connected to the other end of the adjusting rod 707. The adjusting frame 708 is slidably matched with a guide rod 709. The guide rod 709 is fixedly connected to the inner wall of the plug housing 1, and the adjusting frame 708 is fixedly connected to the locking pin 701.

[0034] like Figure 7 As shown, the transmission mechanism 8 includes a universal joint 801, which is rotatably connected to the inner wall of the plug housing 1, and an adjusting wheel 802 is fixedly connected to the inner end of the universal joint 801, and the adjusting wheel 802 is meshed with the driving wheel 704 for transmission, and a transmission wheel 803 is fixedly connected to the outer end of the universal joint 801. The rotation of the threaded sleeve 702 drives the adjusting ring 706 to move, so that the adjusting ring 706 drives the adjusting rod 707 to move, so that the adjusting rod 707 drives the adjusting frame 708 to slide on the guide rod 709, so that the adjusting frame 708 drives the connected locking pin 701 to move outward and get stuck in the socket.

[0035] like Figure 8 As shown, a connecting frame 901 is rotatably connected to one side of the push rod 9, the connecting frame 901 is fixedly connected to the outer wall of the plug housing 1, and a motor 902 is fixedly connected to one end of the push rod 9.

[0036] A slider 903 is slidably provided on the inner wall of one side of the connecting frame 901 , and a transmission rack 904 is fixedly connected to one end of the slider 903 , and the transmission rack 904 is movably meshed with the transmission wheel 803 for transmission.

[0037] A connecting rod 905 is rotatably connected to the push rod 9, and the other end of the connecting rod 905 is rotatably connected to the slider 903. The push rod 9 is driven to rotate by the motor 902, and the push rod 9 drives the connecting rod 905, so that the other end of the connecting rod 905 drives the slider 903 to move, so that the slider 903 drives the connected transmission rack 904 to move, thereby driving the universal joint 801 connected to the transmission wheel 803 to rotate, so that the universal joint 801 drives the adjustment wheel 802 to rotate, so that the adjustment wheel 802 drives the driving wheel 704 to rotate, so that the locking pin 701 is released, and then the other end of the push rod 9 contacts the socket, thereby generating a thrust, so that the device is automatically pulled out of the socket.

[0038] When the plug needs to be used, first manually rotate the worm 606 connected to the knob 607, so that the worm 606 drives the shaft 604 connected to the worm wheel 605 to rotate, so that the shaft 604 drives the connected protective cover 6 to rotate and open, and then insert the conductive rod 2 into the socket for connection. At this time, under the action of the spring 501, one end of the sealing ring 5 will stick to the outer wall of the socket;

[0039] Then, the rotating rod 705 is rotated, so that the rotating rod 705 drives the driving wheel 704 to rotate, so that the driving wheel 704 drives the threaded sleeve 702 connected to the driven wheel 703 to rotate, so that the threaded sleeve 702 drives the adjusting ring 706 to move, so that the adjusting ring 706 drives the adjusting rod 707 to move, so that the adjusting rod 707 drives the adjusting frame 708 to slide on the guide rod 709, so that the locking pin 701 driven by the adjusting frame 708 is stuck in the socket, so as to ensure the stability of the device connection;

[0040] When the device is in use, the push rod 9 will be stored in the connecting frame 901. At this time, the transmission rack 904 is not engaged with the transmission wheel 803. When fire smoke appears at the connection between the device and the socket, the temperature sensor 603 and the smoke sensor 602 will quickly detect the presence of fire or smoke, and transmit the detected fire signal (electrical signal) to the control system. After the control system receives the signal, the control system will output a corresponding control signal. After the motor 902 control module receives the control signal of the control system, it will drive the motor 902 to perform the corresponding action. At this time, the motor 902 will be used 902 drives the push rod 9 to rotate, and at this time the push rod 9 will drive the connecting rod 905, so that the other end of the connecting rod 905 drives the slider 903 to move, so that the slider 903 drives the connected transmission rack 904 to move, thereby driving the universal joint 801 connected to the transmission wheel 803 to rotate, so that the universal joint 801 will drive the adjusting wheel 802 to rotate, so that the adjusting wheel 802 will drive the driving wheel 704 to rotate, so that the locking pin 701 is released, and then the end of the push rod 9 away from the motor 902 will contact the socket, thereby generating a thrust, so that the conductive rod 2 is automatically pulled out of the socket.

[0041] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A detachable connector elbow plug, comprising a plug housing (1), characterized in that: A conductive rod (2) is fixedly installed in the plug housing (1), and a battery core (3) is fixedly connected to one end of the conductive rod (2). An observation hole (4) is fixedly connected to the plug housing (1). A sealing ring (5) is slidably provided on the inner wall of the open end of the plug housing (1). A protective cover (6) is rotatably provided in the open end of the plug housing (1). An anti-separation mechanism (7) is rotatably provided in the plug housing (1). The anti-separation mechanism (7) comprises a plurality of locking pins (701). The anti-separation mechanism (7) further comprises a threaded sleeve (702). The threaded sleeve (702) is rotatably connected to the inner wall of the plug housing (1). A driven wheel (703) is fixedly connected to one end of the plug (702), a driving wheel (704) is meshed and driven on one side of the driven wheel (703), the driving wheel (704) is meshed and driven with the adjusting wheel (802), a rotating rod (705) is fixedly connected to one end of the driving wheel (704), the rotating rod (705) is rotatably connected to the inner wall of the plug housing (1), an adjusting ring (706) is threadedly connected to the outer wall of the threaded sleeve (702), a plurality of adjusting rods (707) are rotatably connected to the adjusting ring (706), the other end of the adjusting rod (707) is rotatably connected to an adjusting frame (708), the adjusting frame (708) A guide rod (709) is provided in a sliding fit, the guide rod (709) is fixedly connected to the inner wall of the plug housing (1), the adjustment frame (708) is fixedly connected to the locking pin (701), a transmission mechanism (8) is provided in the plug housing (1) for rotational connection, the transmission mechanism (8) comprises a universal joint (801), the universal joint (801) is provided for rotational connection to the inner wall of the plug housing (1), an adjustment wheel (802) is fixedly connected to the inner end of the universal joint (801), a transmission wheel (803) is fixedly connected to the outer end of the universal joint (801), a push rod (9) is provided on the outer side of the plug housing (1), and the push rod (9 ) is rotatably connected to one side of the plug housing (1), the connecting frame (901) is fixedly connected to the outer wall of the plug housing (1), one end of the push rod (9) is fixedly connected to a motor (902), an inner wall of one side of the connecting frame (901) is slidably matched with a slider (903), one end of the slider (903) is fixedly connected to a transmission rack (904), the transmission rack (904) and the transmission wheel (803) are movably engaged for transmission, a connecting rod (905) is rotatably connected to the push rod (9), the other end of the connecting rod (905) is rotatably connected to the slider (903), and a grounding wire (10) is connected to the plug housing (1).

2. A detachable connector elbow plug according to claim 1, characterized in that: The outer end of the sealing ring (5) is provided in a conical structure, the outer end of the sealing ring (5) is provided in sliding contact with the inner wall of the protective cover (6), the inner end of the sealing ring (5) is fixedly connected to a plurality of springs (501), and the other end of the spring (501) is fixedly connected to the inside of the plug housing (1).

3. The detachable connector elbow plug according to claim 1, characterized in that: The protective cover (6) is provided with a mounting groove (601), and a smoke sensor (602) and a temperature sensor (603) are respectively mounted in the mounting groove (601); a rotating shaft (604) is fixedly connected to one end of the protective cover (6), and the rotating shaft (604) is rotatably connected to the inner wall of the plug housing (1); a worm gear (605) is fixedly connected to the other end of the rotating shaft (604); a worm (606) is meshingly provided on one side of the worm gear (605); the worm gear (606) is rotatably connected to the inner wall of the plug housing (1), and a knob (607) is fixedly provided on the outer end of the worm gear (606).