Cable butt joint quick release structure for fire extinguishing starting device

Abstract

The utility model relates to the technical field of fire extinguishing monitoring, and particularly discloses a cable butt joint quick release structure for a fire extinguishing starting device, which comprises a starting device for a fire extinguishing device, a temperature sensing cable connected with the starting device, and an auxiliary part arranged at one section of the temperature sensing cable, one end, connected with the starting device, of the temperature sensing cable is provided with a cable butt joint piece used for fixing the temperature sensing cable; according to the utility model, through the combination of the cable butt joint piece and the wiring terminal, the fixing requirement of the cable is realized, and through the combination of the branching plate and the accommodating cavity, the branching processing of the wiring end of the temperature sensing cable can be completed by using the branching plate in use, and the wiring end of the temperature sensing cable can be fixed through the cooperation of the metal elastic piece. The metal elastic piece can be extruded under the plugging of the metal column at the inner side of the wiring terminal, and the cable can be fixed and the fixation of the temperature sensing cable can be completed through the extrusion and the cooperation with the distributor plate, and the later replacement is relatively convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of fire extinguishing monitoring, in particular to a cable docking and quick-detaching structure for a fire extinguishing starting device. Background Art

[0002] The fire extinguishing device activation methods mainly include electric activation and thermal activation. Both of these require corresponding signals for feedback. Therefore, when in use, feedback signals and transmission signals need to be transmitted through cables.

[0003] After the fire extinguishing device is activated, the detection function of one of the cables will be damaged. For example, when detecting fire, a temperature-sensing cable is used. At this time, the cable needs to be replaced. The conventional connection is to fix it with bolts on the terminal. Replacement is relatively inconvenient and easy to cause poor contact. Based on this, we propose a cable docking quick-release structure for a fire extinguishing activation device. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a cable docking quick-release structure for a fire extinguishing starting device, which solves the problem that the connection method between the terminal and the cable in the prior art is not convenient for subsequent replacement.

[0005] The utility model discloses a cable docking quick-release structure for a fire extinguishing starter device, comprising a starter device for the fire extinguishing device, a temperature sensing cable connected to the starter device, and an auxiliary component installed on a section of the temperature sensing cable;

[0006] A cable docking piece is provided at one end of the temperature sensing cable connected to the starting device for fixing the temperature sensing cable;

[0007] The starting device comprises a housing, a wiring terminal is arranged on one side of the housing, and the wiring terminal is adapted to the cable docking piece through a sealing piece;

[0008] The cable docking piece includes a plug-in column, a gripping portion is provided at one end of the plug-in column, a wire insertion hole is provided in the middle of one side of the gripping portion, which is adapted to the temperature sensing cable, and the plug-in column is plug-in connected to the wiring terminal.

[0009] As a further improvement of the utility model, a accommodating cavity is opened on the inner side of the plug-in column, and a distribution plate is arranged on the inner side of the accommodating cavity close to the wire insertion hole. The surface of the distribution plate is provided with one or more tracks arranged in a circular array for separating the wiring molecules of the temperature sensing cable.

[0010] As a further improvement of the present invention, a mounting plate is provided on one side of the distribution board, and the mounting plate is fixed to the accommodating cavity on the inner side of the plug-in column to maintain the stability of the distribution board.

[0011] As a further improvement of the utility model, an arc-extinguishing area recessed inwardly is provided at one end of the plug-in column adapted to the terminal block, and the inner wall of the arc-extinguishing area has one or more through holes in a circular array and is connected to the inner side of the accommodating cavity.

[0012] As a further improvement of the utility model, a metal elastic member is provided at the through hole of the arc extinguishing area, and a protrusion for squeezing and fixing the temperature sensing cable is provided at one side of the metal elastic member located at the accommodating cavity.

[0013] As a further improvement of the present invention, the metal elastic member includes a spring plate and an outer frame, the outer frame is adapted to the spring plate, the outer frame is provided with an inner cavity, and limiting grooves are provided on both sides of the inner wall of the inner cavity.

[0014] As a further improvement of the utility model, limit blocks are provided at both ends of the spring plate, the limit blocks are adapted to the limit grooves, and irregular protrusions are provided on the surface of the spring plate, and the irregular protrusions are fitted with metal columns vertically provided in the terminal block.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] The utility model realizes the need for fixing the cable through the combination of the cable docking piece and the wiring terminal, and the combination of the branching plate and the accommodating cavity can, when in use, use the branching plate to complete the branching processing of the wiring end of the temperature sensing cable, and then cooperate with the provided metal elastic piece, when the metal column on the inner side of the wiring terminal is inserted, the metal elastic piece can be squeezed, and the cable can be fixed by squeezing and cooperating with the branching plate, thereby completing the fixation of the temperature sensing cable, and it is relatively convenient to replace it later. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0018] Figure 1 This is a schematic diagram of the combined structure of the starting device, temperature sensing cable, auxiliary components and cable docking parts of the utility model;

[0019] Figure 2 This is a schematic diagram of the three-dimensional structure of the cable docking piece of the utility model;

[0020] Figure 3 This is a schematic diagram of the front view structure of the cable docking piece of the utility model;

[0021] Figure 4 For this utility model Figure 3 Schematic diagram of the AA section structure;

[0022] Figure 5 This is a schematic diagram of the three-dimensional structure of the metal elastic member of the utility model;

[0023] Figure 6 It is a schematic diagram of the side structure of the metal elastic member of the utility model.

[0024] In the figure: 1. Starting device; 2. Temperature sensing cable; 3. Auxiliary components; 4. Cable docking parts;

[0025] 11. Housing; 12. Wiring terminals;

[0026] 41. Plug-in column; 42. Grip; 43. Wire insertion hole; 44. Sealing member; 45. Distribution plate; 46. Arc extinguishing area; 47. Metal elastic member; 48. Accommodation cavity; 49. Mounting plate;

[0027] 471. spring plate; 472. irregular protrusion; 473. limit block; 474. limit groove; 475. inner cavity; 476. outer frame. DETAILED DESCRIPTION

[0028] The following will disclose multiple embodiments of the utility model with diagrams. For the purpose of clear description, many physical details will be described together in the following description. However, it should be understood that these physical details should not be used to limit the utility model. In other words, in some embodiments of the utility model, these physical details are not necessary. In addition, for the purpose of simplifying the diagram, some conventional structures and components will be depicted in a simple schematic manner in the diagram.

[0029] In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0030] See also Figure 1 , Figure 2 , Figure 3 After the fire extinguishing device is started, the detection function of one of the cables will be damaged. For example, when detecting a fire, a temperature sensing cable 2 is used. At this time, the cable needs to be replaced. The conventional connection is to fix it with bolts at the terminal. Replacement is relatively inconvenient and it is easy to cause poor contact. Based on this, the present application provides a cable docking quick-release structure for a fire extinguishing starting device 1, including a starting device 1 for a fire extinguishing device, a temperature sensing cable 2 connected to the starting device 1, and an auxiliary component 3 installed at a section of the temperature sensing cable 2;

[0031] A cable docking piece 4 is provided at one end of the temperature sensing cable 2 connected to the starting device 1, for fixing the temperature sensing cable 2;

[0032] The starting device 1 comprises a housing 11, a wiring terminal 12 is provided on one side of the housing 11, and the wiring terminal 12 is adapted to the cable docking member 4 through a sealing member 44;

[0033] The cable docking member 4 includes a plug-in column 41 , a gripping portion 42 is provided at one end of the plug-in column 41 , a wire insertion hole 43 is provided in the middle of one side of the gripping portion 42 , which is adapted to the temperature sensing cable 2 , and the plug-in column 41 is connected to the terminal 12 by plugging and unplugging.

[0034] A high temperature resistant, waterproof and dustproof housing 11 is used to protect internal components and wiring terminals 12. These terminals are adapted to the cable connector 4 through a seal 44 to ensure the sealing of the connection and prevent external factors such as dust and water vapor from invading and affecting the normal operation of the equipment.

[0035] The quick-release structure allows users to easily perform plug-in and unplug operations, saving time and labor costs when replacing cables. The cable connector 4 is adapted to the terminal block 12 through the seal 44, ensuring the sealing of the connection, avoiding the influence of external factors on the equipment, and improving the reliability and stability of the equipment.

[0036] The auxiliary component 3 is a thermistor wire connected to the temperature sensing cable 2, an alarm device, etc., and is arranged inside the housing 11, which is generally a battery; the connection terminal 12 arranged on the housing 11 is similar to an audio RCA interface; the sealing member 44 is generally a rubber sealing ring;

[0037] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 A accommodating cavity 48 is provided on the inner side of the plug-in column 41, and a distribution plate 45 is provided on the inner side of the accommodating cavity 48 near the wire insertion hole 43. The surface of the distribution plate 45 is provided with one or more tracks arranged in a circular array for separating the wiring molecules of the temperature sensing cable 2.

[0038] The track of the distribution plate 45 can effectively separate the wiring elements of the temperature sensing cable 2, ensuring that each wire is well isolated from each other, avoiding problems such as signal interference and short circuit.

[0039] The tracks are arranged in a circular array, so that the distribution plate 45 can accommodate the wiring elements of multiple temperature sensing cables 2, and can be flexibly adjusted according to needs to adapt to the connection of cables of different specifications and quantities.

[0040] The arrangement of the distribution plate 45 effectively isolates the wiring elements of the temperature sensing cable 2 , ensures the stability and reliability of signal transmission, and improves the working efficiency of the fire extinguishing starting device 1 .

[0041] By separating the wires through the distribution plate 45, the influence of external interference on the temperature sensing cable 2 is effectively reduced, the possibility of false alarms and misoperation is reduced, and the accuracy and reliability of the equipment are improved.

[0042] The ring array design of the distribution board 45 makes the installation and replacement of wires easier and faster. Maintenance personnel can easily adjust and replace cables as needed, reducing maintenance costs and time costs.

[0043] The design of the distribution plate 45 makes the cable docking quick-release structure suitable for temperature-sensitive cables 2 of different specifications and quantities, thereby improving its flexibility and applicability and making it suitable for applications in different scenarios and requirements.

[0044] The metal elastic member 47 is a common spring contact component in the electrical connection system.

[0045] See also Figure 4 A mounting plate 49 is disposed on one side of the distribution plate 45 , and the mounting plate 49 is fixed to the accommodating cavity 48 on the inner side of the plug-in column 41 to maintain the stability of the distribution plate 45 .

[0046] The mounting plate 49 is fixed to the accommodating cavity 48 inside the plug-in column 41 to ensure that the distribution plate 45 remains stable during use and avoids displacement or loosening due to vibration or external force.

[0047] An inwardly recessed arc extinguishing area 46 is provided at one end of the plug-in column 41 that is adapted to the terminal block 12. The inner wall of the arc extinguishing area 46 has one or more through holes in a circular array and is connected to the inner side of the accommodating cavity 48. The arc extinguishing area 46 can prevent arcs caused by electrical faults and ensure the safety of equipment and operators. The through holes are arranged in a circular array and are connected to the inner side of the accommodating cavity 48, providing a channel for cable connection and ensuring a good connection between the distribution board 45 and the temperature sensing cable 2.

[0048] By fixing the mounting plate 49 to the accommodating cavity 48 and designing the arc extinguishing area 46, the stability of the distribution board 45 and the cables during use is ensured, loosening or falling off due to external factors is reduced, and the reliability and safety of the equipment are improved.

[0049] The setting of the arc extinguishing area 46 effectively reduces the possibility of arcing caused by electrical faults, ensures the safety of equipment and operators, reduces the probability of accidents, and improves the safety of the working environment.

[0050] The mounting plate 49 makes the installation and replacement of the distribution board 45 easier, and maintenance personnel can operate it easily, thus saving maintenance time and cost.

[0051] The depression of the arc extinguishing area 46 is not only helpful in preventing the occurrence of electrical faults, but also helps to dissipate heat, maintain the normal operating temperature of the equipment, and extend the service life of the equipment.

[0052] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 as well as Figure 6 A metal elastic member 47 is provided at the through hole of the arc extinguishing area 46 , and a protrusion for squeezing and fixing the temperature sensing cable 2 is provided at one side of the metal elastic member 47 located at the accommodating cavity 48 .

[0053] The metal elastic member 47 includes a spring plate 471 and an outer frame 476 . The outer frame 476 is adapted to the spring plate 471 . The outer frame 476 defines an inner cavity 475 . The inner walls of the inner cavity 475 define limiting grooves 474 on both sides.

[0054] Limiting blocks 473 are provided at both ends of the spring plate 471 , and the limiting blocks 473 are adapted to the limiting grooves 474 . The surface of the spring plate 471 is provided with irregular protrusions 472 , and the irregular protrusions 472 are in contact with the metal columns vertically provided in the connecting terminal 12 .

[0055] The outer frame 476 defines an inner cavity 475 , and two sides of the inner wall of the inner cavity 475 define limiting grooves 474 for limiting the movement range of the spring plate 471 .

[0056] The surface of the spring plate 471 is provided with irregular protrusions 472 , which fit with the vertically arranged metal columns in the connecting terminal 12 , thereby increasing the stability of the connection.

[0057] The metal elastic member 47 makes the cable connection more firm and stable, reduces loosening or falling off due to vibration or external force, and improves the reliability and safety of the equipment.

[0058] By providing the metal elastic member 47 and the extrusion fixing protrusion, the temperature sensing cable 2 is reliably fixed in the accommodating cavity 48, thereby ensuring the stability and safety of the connection and avoiding the cable from falling off or having poor contact during use.

[0059] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A cable docking quick-release structure for a fire extinguishing starting device, comprising a starting device (1) for the fire extinguishing device, a temperature sensing cable (2) connected to the starting device (1), and an auxiliary component (3) installed on a section of the temperature sensing cable (2); Features: A cable docking piece (4) is provided at one end of the temperature sensing cable (2) connected to the starting device (1) for fixing the temperature sensing cable (2); The starting device (1) comprises a housing (11), one side of the housing (11) is provided with a wiring terminal (12), and the wiring terminal (12) is adapted to the cable docking member (4) via a sealing member (44); The cable docking member (4) comprises a plug-in column (41), one end of which is provided with a gripping portion (42), a wire insertion hole (43) is provided in the middle of one side of the gripping portion (42), which is adapted to the temperature sensing cable (2), and the plug-in column (41) is connected to the wiring terminal (12) by plugging.

2. A cable docking quick-release structure for a fire extinguishing starting device according to claim 1, characterized in that: The inner side of the plug-in column (41) is provided with a receiving cavity (48), and the inner side of the receiving cavity (48) close to the wire insertion hole (43) is provided with a distribution plate (45), and the surface of the distribution plate (45) is provided with one or more tracks arranged in a circular array for separating the wiring molecules of the temperature sensing cable (2).

3. A cable docking quick-release structure for a fire extinguishing starting device according to claim 2, characterized in that: A mounting plate (49) is provided on one side of the distribution plate (45), and the mounting plate (49) is fixed to the accommodating cavity (48) inside the plug-in column (41) to maintain the stability of the distribution plate (45).

4. The cable docking quick-release structure for a fire extinguishing starting device according to claim 1, characterized in that: An inwardly recessed arc extinguishing area (46) is provided at one end of the plug post (41) adapted to the connection terminal (12); the inner wall of the arc extinguishing area (46) has one or more through holes in a circular array and is connected to the inner side of the accommodating cavity (48).

5. A cable docking quick-release structure for a fire extinguishing starting device according to claim 4, characterized in that: A metal elastic member (47) is provided at the through hole of the arc extinguishing area (46), and a protrusion for squeezing and fixing the temperature sensing cable (2) is provided at one side of the metal elastic member (47) located at the accommodating cavity (48).

6. A cable docking quick-release structure for a fire extinguishing starting device according to claim 5, characterized in that: The metal elastic member (47) comprises a spring plate (471) and an outer frame (476), wherein the outer frame (476) is adapted to the spring plate (471), the outer frame (476) is provided with an inner cavity (475), and limiting grooves (474) are provided on both sides of the inner wall of the inner cavity (475).

7. A cable docking quick-release structure for a fire extinguishing starting device according to claim 6, characterized in that: Limiting blocks (473) are arranged at both ends of the spring plate (471), the limiting blocks (473) are adapted to the limiting grooves (474), and the surface of the spring plate (471) is provided with irregular protrusions (472), and the irregular protrusions (472) are fitted with metal columns vertically arranged in the connecting terminal (12).

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