阅读说明：本技术 基于物联网的通讯接线端子 (Communication binding post based on thing networking ) 是由 鲁文英 于 2021-08-08 设计创作，主要内容包括：本发明公开了基于物联网的通讯接线端子,包括底座组件,底座组件的内部设置有导电组件,底座组件的顶部固定安装有盖板组件,导电组件包括导电底部结构,导电底部结构的顶部固定连接有导电中部结构,导电中部结构的顶部固定连接有导电顶部结构,所申诉导电顶部结构包括顶板。该基于物联网的通讯接线端子,改变传统螺栓的直接压线或者弹片压紧压接的方式,通过引导槽的引导使线头由直线变成弧形,增大其与导电片接触的区域,同时,也使其相当于套在导电柱的外壁上,对其位置进行限定,在对线头进行压紧时,不易出现滑动,压紧的更加稳定,从而有利于避免接触不良、对线缆压坏或压断的情况出现,也有利于提高了端子的使用寿命。(The invention discloses a communication wiring terminal based on the Internet of things, which comprises a base assembly, wherein a conductive assembly is arranged inside the base assembly, a cover plate assembly is fixedly installed at the top of the base assembly, the conductive assembly comprises a conductive bottom structure, the top of the conductive bottom structure is fixedly connected with a conductive middle structure, the top of the conductive middle structure is fixedly connected with a conductive top structure, and the conductive top structure comprises a top plate. This communication binding post based on thing networking, the direct line ball that changes traditional bolt or the mode that the shell fragment compressed tightly the crimping, the guide through the guiding groove makes the end of a thread become the arc by the straight line, increase its and the region of conducting strip contact, simultaneously, also make it be equivalent to the cover on the outer wall of leading electrical pillar, prescribe a limit to its position, when compressing tightly the end of a thread, be difficult for appearing sliding, compress tightly more stable, thereby be favorable to avoiding contact failure, the condition of crushing or pressing the disconnected condition of cable appears, also be favorable to having improved the life of terminal.)

1. Communication binding post based on thing networking, including base subassembly (1), its characterized in that: the conductive assembly (2) is arranged inside the base assembly (1), the cover plate assembly (3) is fixedly mounted at the top of the base assembly (1), the conductive assembly (2) comprises a conductive bottom structure (23), a conductive middle structure (24) is fixedly connected to the top of the conductive bottom structure (23), a conductive top structure (26) is fixedly connected to the top of the conductive middle structure (24), the conductive top structure (26) comprises a top plate (29), a plurality of threaded holes I (28) are formed in the top of the top plate (29) in an equidistant penetrating manner, the conductive middle structure (24) comprises a heavy deck (31), a plurality of threaded holes II (30) are formed in the top of the heavy deck (31) in an equidistant penetrating manner, the upper threaded holes I (28) and the lower threaded holes I (28) are communicated with the insides of the threaded holes II (30), and a bolt (27) is connected between the threaded holes I (28) and the threaded holes II (30), the top of the heavy deck (31) and the two sides of the heavy deck (31) which are positioned in the threaded holes II (30) are both provided with L-shaped movable cavities (46), the bottom of the heavy deck (31) is equidistantly provided with a plurality of semicircular grooves (32), the inside of each L-shaped movable cavity (46) is fixedly provided with a positioning rod (49), the top of each positioning rod (49) is fixedly connected with a stop block (50), the outer wall of each positioning rod (49) is slidably provided with an L-shaped frame (48), the top of each positioning rod (49) is provided with a sliding hole matched with the corresponding positioning rod (49), the outer wall of each positioning rod (49) is sleeved between the inner wall of each L-shaped frame (48) and the bottom of the inner wall of each L-shaped movable cavity (46) and is provided with a reset spring II (47), the bottom of each L-shaped frame (48) which is positioned in the semicircular grooves (32) is fixedly connected with a pressing plate (43), and the middle of the bottom of each pressing plate (43) is fixedly provided with a conductive column (35), the conductive bottom structure (23) comprises a bottom plate (33), a plurality of arc-shaped grooves (34) and column grooves (36) are formed in the top of the bottom plate (33) at equal intervals, the column grooves (36) are located in inner rings of the arc-shaped grooves (34), an arc-shaped plate (42) is arranged inside the arc-shaped grooves (34), a guide groove (41) is formed in the inner wall of the arc-shaped plate (42), a spring clamping block II (40) is fixedly installed at the bottom of the arc-shaped plate (42), a spring clamping block I (38) is fixedly installed at the lower portion of the inner wall of the arc-shaped groove (34), two pieces of material are fixed between the spring clamping block I (38) and a return spring I (39), and the return spring I (39) is arranged.

2. The communication terminal based on the internet of things as claimed in claim 1, wherein: the top of the pressing plate (43) is fixedly provided with a bearing (44), an inner cavity of the bearing (44) is fixedly connected with a circular truncated cone (45), and the top of the circular truncated cone (45) is provided with a groove.

3. The communication terminal based on the internet of things as claimed in claim 1, wherein: base subassembly (1) includes electrical apparatus case (4), the top fixed mounting of electrical apparatus case (4) has places case (5), the front fixed mounting who places case (5) has apron (20), the back fixed mounting of apron (20) has insulation board (21), apron (20) all are the equidistance with the front of insulation board (21) and run through and set up wired cable hole (22), the bottom fixed mounting who places case (5) inner wall has insulating frame (6), the equal fixed mounting in both sides of placing case (5) inner wall has gib block (7), guide way (25) of two and gib block (7) looks adaptation are all seted up to roof (29), heavy deck (31) and the both sides of bottom plate (33), there are two spring fixture blocks (40) and singlechip (11) in the inside one side difference fixed mounting of electrical apparatus case (4).

4. The communication terminal based on the internet of things as claimed in claim 1, wherein: the back of placing case (5) and insulating frame (6) all runs through and has seted up round hole (8), the inside fixed mounting who goes up round hole (8) in placing case (5) has ventilation assembly (9), ventilation assembly (9) include ring seat (53), the inside rear fixed mounting of ring seat (53) has mesh board (58).

5. The communication terminal based on the Internet of things as claimed in claim 4, wherein: fixed mounting is located at the positive center of mesh board (58) circle case (59), three arc slide (61) have been seted up in the outer wall of circle case (59) run through, fixed mounting has three fixed sunshade (54) between the inner wall of ring seat (53) and the outer wall of circle case (59), one side of fixed sunshade (54) has been seted up and has been placed chamber (55), the inside of placing chamber (55) is provided with movable sunshade (56), circle case (59) rotate through the bearing of its inside installation and install major axis (60), fixedly connected with connecting block (57) between the outer wall of major axis (60) and movable sunshade (56), and connecting block (57) pass arc slide (61), gear (17) are installed in the outer wall cup joint of major axis (60), the bottom fixed mounting of placing case (5) inner wall has electric telescopic handle (19), the expansion end fixedly connected with rack installation piece (18) of electric telescopic handle (19), one side of the rack mounting block (18) is fixedly provided with a rack (16), and the rack (16) is meshed with the gear (17).

6. The communication terminal based on the Internet of things as claimed in claim 4, wherein: the inner wall of insulating frame (6) is fixed mounting respectively has temperature sensor and smoke transducer, the middle part fixed mounting of electrical apparatus case (4) inner wall bottom has air pump (14), the end of giving vent to anger of the air inlet fixedly connected with gas pitcher (15) of air pump (14), and the inside of gas pitcher (15) is provided with carbon dioxide, the end fixedly connected with gas main line (13) of giving vent to anger of air pump (14), the fixed mounting of giving vent to anger at gas main line (13) top has a plurality of gas branch pipes (12), and the end of giving vent to anger of gas branch pipe (12) is located the inside of insulating frame (6), gas hole (37) of setting up a plurality of and gas branch pipe (12) looks adaptation are run through to the bottom of bottom plate (33).

7. The communication terminal based on the internet of things as claimed in claim 1, wherein: the cover plate assembly (3) comprises a top cover (51), wherein the top of the top cover (51) is provided with a plurality of bolt covers (52) in an equidistant and fixed mode, and the inside of the top cover (51) is matched with the inside of the bolt covers (52).

Technical Field

The invention relates to the field of terminals, in particular to a communication wiring terminal based on the Internet of things.

Background

The terminal is a member for connecting the battery to an external conductor. In electrotechnology, a terminal is a multi-finger terminal, namely a wiring terminal, a type division single hole, a double hole, a socket, a hook and the like, and the material division is copper silver plating, copper zinc plating, copper, aluminum, iron and the like. Their function is primarily to transmit electrical signals or to conduct electricity.

The internet of things is that any object or process needing monitoring, connection and interaction is collected in real time through various devices and technologies such as various information sensors, radio frequency identification technologies, global positioning systems, infrared sensors, laser scanners and the like, various required information such as sound, light, heat, electricity, mechanics, chemistry, biology, positions and the like is collected, ubiquitous connection of objects and objects, and ubiquitous connection of objects and people are realized through various possible network accesses, and intelligent sensing, identification and management of the objects and the processes are realized. The internet of things is an information bearer based on the internet, a traditional telecommunication network and the like, and all common physical objects which can be independently addressed form an interconnected network.

The mode that current communication binding post often adopted extrudees the cable for the bolt, perhaps carry out the line ball in a thin shell fragment of bottom installation of bolt, the mode of bolt line ball is unreliable to the crimping of cable, bad contact's situation easily appears, perhaps the line ball leads to easily damaging or pressing disconnected condition to the cable many times, and add and establish thin shell fragment repetitious usage yielding, thereby lead to whole terminal to damage, can't use, and simultaneously, the distance is less between wiring mouth inner chamber and the shell, cause and block, be not convenient for insert the end of a thread inside binding post, influence wiring efficiency.

Disclosure of Invention

The invention aims to provide a communication wiring terminal based on the Internet of things, and the communication wiring terminal is used for solving the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the communication wiring terminal based on the Internet of things comprises a base assembly, wherein a conductive assembly is arranged inside the base assembly, a cover plate assembly is fixedly installed at the top of the base assembly, the conductive assembly comprises a conductive bottom structure, a conductive middle structure is fixedly connected to the top of the conductive bottom structure, a conductive top structure is fixedly connected to the top of the conductive middle structure, the conductive top structure comprises a top plate, a plurality of first threaded holes are formed in the top of the top plate in an equidistant penetrating mode, the conductive middle structure comprises a heavy deck, a plurality of second threaded holes are formed in the top of the heavy deck in a penetrating mode, the upper first threaded holes are communicated with the insides of the second threaded holes, bolts are connected between the first threaded holes and the second threaded holes in a threaded mode, L-shaped movable cavities are formed in the top of the heavy deck and located on two sides of the second threaded holes, the bottom of the heavy deck is equidistantly provided with a plurality of semicircular grooves, the inside of the L-shaped movable cavity is fixedly provided with a positioning rod, the top of the positioning rod is fixedly connected with a stop dog, the outer wall of the positioning rod is slidably provided with an L-shaped frame, the top of the positioning rod is provided with a sliding hole matched with the positioning rod, the outer wall of the positioning rod is positioned between the inner wall of the L-shaped frame and the bottom of the inner wall of the L-shaped movable cavity and is sleeved with a second reset spring, the bottom of the L-shaped frame positioned inside the semicircular grooves is fixedly connected with a pressing plate, the middle part of the bottom of the pressing plate is fixedly provided with a conductive column, the conductive bottom structure comprises a bottom plate, the top of the bottom plate is equidistantly provided with a plurality of arc grooves and column grooves, the column grooves are positioned in the inner rings of the arc grooves, the inside of the arc plates is provided with arc plates, the inner walls of the arc plates are provided with guide grooves, and the bottoms of the arc plates are fixedly provided with second spring fixture blocks, and a first spring clamping block is fixedly arranged at the lower part of the inner wall of the arc-shaped groove, and a first return spring and a second return spring are fixed between the first spring clamping block and the second return spring.

As a further scheme of the invention: the bearing is fixedly mounted at the top of the pressing plate, a circular truncated cone is fixedly connected to an inner cavity of the bearing, and a groove is formed in the top of the circular truncated cone.

As a still further scheme of the invention: the base subassembly includes the electrical apparatus case, the top fixed mounting of electrical apparatus case has places the case, the positive fixed mounting who places the case has the front shroud, the back fixed mounting of front shroud has the insulation board, the front shroud all is the equidistance with the front of insulation board and runs through and set up wired cable hole, the bottom fixed mounting who places the incasement wall has the insulating frame, the equal fixed mounting in both sides of placing the incasement wall has the gib block, two guide ways with gib block looks adaptation are all seted up to the both sides of roof, heavy deck and bottom plate, there are two and the singlechip spring fixture block of one side difference fixed mounting of electrical apparatus incasement portion.

As a still further scheme of the invention: the round holes are formed in the back faces of the placing box and the insulating frame in a penetrating mode, the ventilation assembly is fixedly mounted inside the round holes in the placing box and comprises a circular ring seat, and a mesh plate is fixedly mounted on the rear portion inside the circular ring seat.

As a still further scheme of the invention: fixed mounting is located at the positive center of mesh board has the circle case, the outer wall of circle case runs through and has seted up three arc slide, fixed mounting has three fixed sunshade between the inner wall of ring seat and the outer wall of circle case, one side of fixed sunshade has been seted up and has been placed the chamber, the inside of placing the chamber is provided with movable sunshade, the circle case rotates through its inside bearing of installing and installs the major axis, fixedly connected with connecting block between the outer wall of major axis and the movable sunshade, and the connecting block passes the arc slide, the outer wall of major axis cup joints and installs the gear, the bottom fixed mounting of placing the incasement wall has electric telescopic handle, electric telescopic handle's expansion end fixedly connected with rack mounting piece, one side fixed mounting of rack mounting piece has the rack, and rack and gear mesh mutually.

As a still further scheme of the invention: the inner wall of insulating frame fixed mounting respectively has temperature sensor and smoke transducer, the middle part fixed mounting of electrical apparatus incasement wall bottom has the air pump, the end of giving vent to anger of the air inlet end fixedly connected with gas pitcher of air pump, and the inside of gas pitcher is provided with carbon dioxide, the gaseous main line of the end fixedly connected with of giving vent to anger of air pump, the end fixed mounting that gives vent to anger at gaseous main line top has a plurality of gas branch pipes, and the end of giving vent to anger of gas branch pipe is located the inside of insulating frame, the bottom of bottom plate runs through the gas pocket of seting up a plurality of and gas branch pipe looks adaptations.

As a still further scheme of the invention: the apron subassembly includes the top cap, the top of top cap is equidistance fixed mounting has a plurality of bolt covers, and the inside of top cap and the inside looks adaptation of bolt cover.

Compared with the prior art, the invention has the beneficial effects that:

1. the terminal is provided with three components, so that a user can conveniently unseal the terminal for use, and meanwhile, the conductive component is formed by combining a conductive bottom structure, a conductive middle structure and a conductive top structure, so that the conductive component is disassembled into three parts, and the difficulty in processing related holes on the conductive component is reduced.

2. According to the invention, when the terminal is connected, the front cover plate can be detached from the placing box, and at the moment, the conductive component positioned in the placing box can be completely leaked out, so that the blocking of the terminal connection part by the front cover plate is avoided, the visual field of a user is expanded, the cable end can be conveniently inserted into the connecting terminal, and the connection efficiency is improved.

3. The invention inserts the cable head along the left inlet of the guide groove, the cable head can be changed into arc shape from straight line by the guide of the guide groove and is sleeved on the outer wall of the conductive post, when the cable head comes out from the other side outlet of the guide groove, the cable head is pulled forward to make the outer wall of the cable head fit with the conductive post, then the bolt is rotated to apply downward pressure on the pressing plate, thereby the cable head is pressed on the top of the bottom plate by the pressing plate to complete the installation of the cable head, the traditional mode of direct pressing line or elastic sheet pressing and pressing of the bolt is changed, the cable head is changed into arc shape from straight line by the guide of the guide groove, the contact area between the cable head and the conductive plate is enlarged, meanwhile, the cable head is equivalently sleeved on the outer wall of the conductive post to limit the position of the cable head, when the cable head is pressed, the sliding is not easy to occur, the pressing is more stable, thereby being beneficial to avoiding the situations of bad contact, crushing or breaking the cable, and the service life of the terminal is prolonged.

4. According to the invention, when the temperature sensor or the smoke sensor detects that the temperature of the conductive component is too high or smoke exists, the air pump pumps out carbon dioxide from the interior of the air tank, the carbon dioxide is sprayed into the interior of the semicircular groove through the air hole to be spread in the inner cavity of the placing box, fire extinguishing rescue operation is carried out on the terminal, the electric telescopic rod extends while the carbon dioxide is pumped out, the rack moves to one side, the long shaft is driven to rotate under the transmission action of the rack and the gear, the movable shielding plate is taken out from the interior of the placing cavity to be moved to the cavity between the two adjacent fixed shielding plates, and the circular ring seat is blocked, so that the leakage of the carbon dioxide is avoided, and the oxygen content in the placing box can be reduced.

Drawings

Fig. 1 is a schematic diagram of a separated structure of a communication terminal based on the internet of things;

fig. 2 is a cross-sectional view of a placement box in an internet-of-things based communication terminal;

FIG. 3 is a top view of a placement box in an Internet of things based communication terminal;

fig. 4 is a schematic structural diagram of a front cover plate in a communication terminal based on the internet of things;

fig. 5 is a schematic structural diagram of a conductive component in a communication terminal based on the internet of things;

fig. 6 is an enlarged schematic structure diagram of a part a in fig. 5 of the communication terminal based on the internet of things;

fig. 7 is a schematic structural diagram of a top cover in the communication terminal based on the internet of things;

fig. 8 is a schematic structural diagram of a ring seat in a communication terminal based on the internet of things.

In the figure: the device comprises a base assembly 1, a conductive assembly 2, a cover plate assembly 3, an electrical appliance box 4, a placing box 5, an insulating frame 6, a guide strip 7, a circular hole 8, a ventilation assembly 9, a power supply 10, a single chip microcomputer 11, a gas branch pipe 12, a gas main pipeline 13, an air pump 14, an air tank 15, a rack 16, a gear 17, a rack mounting block 18, an electric telescopic rod 19, a front cover plate 20, an insulating plate 21, a cable hole 22, a conductive bottom structure 23, a conductive middle structure 24, a guide groove 25, a conductive top structure 26, a bolt 27, a threaded hole I28, a top plate 29, a threaded hole II 30, a heavy deck 31, a semicircular groove 32, a bottom plate 33, an arc-shaped groove 34, a conductive column 35, a column groove 36, an air hole 37, a spring clamping block I38, a return spring clamping block I39, a spring clamping block II 40, a guide groove 41, an arc-shaped plate 42, a pressing plate 43, a bearing 44, a circular table 45, an L-shaped frame movable cavity 46, a return spring II 47, an L-shaped frame 48, a return spring, Positioning rods 49, a stop block 50, a top cover 51, a bolt cover 52, a circular ring seat 53, a fixed shield 54, a placing cavity 55, a movable shield 56, a connecting block 57, a mesh plate 58, a circular box 59, a long shaft 60 and an arc-shaped slide way 61.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 8, the invention provides a technical solution, a communication terminal based on the internet of things includes a base assembly 1, a conductive assembly 2 is disposed inside the base assembly 1, a cover plate assembly 3 is fixedly mounted on the top of the base assembly 1, the conductive assembly 2 includes a conductive bottom structure 23, a conductive middle structure 24 is fixedly connected to the top of the conductive bottom structure 23, a conductive top structure 26 is fixedly connected to the top of the conductive middle structure 24, the conductive top structure 26 includes a top plate 29, a plurality of threaded holes 28 are formed through the top of the top plate 29 at equal intervals, the conductive middle structure 24 includes a heavy deck 31, a plurality of threaded holes 30 are formed through the top of the heavy deck 31 at equal intervals, the upper and lower threaded holes 28 are communicated with the insides of the threaded holes 30, a bolt 27 is connected between the threaded holes 28 and the threaded holes 30, L-frame movable cavities 46 are formed at the top of the heavy deck 31 and on two sides of the threaded holes 30, the bottom of the heavy deck 31 is equidistantly provided with a plurality of semicircular grooves 32, the inside of the L-shaped movable cavity 46 is fixedly provided with a positioning rod 49, the top of the positioning rod 49 is fixedly connected with a stop dog 50, the outer wall of the positioning rod 49 is slidably provided with an L-shaped frame 48, the top of the positioning rod 49 is provided with a sliding hole matched with the positioning rod 49, the outer wall of the positioning rod 49 and the inner wall of the L-shaped frame 48 are sleeved with a reset spring II 47 between the bottom of the inner wall of the L-shaped movable cavity 46 and the inner wall of the L-shaped frame 48, the bottom of the L-shaped frame 48 inside the semicircular grooves 32 is fixedly connected with a pressing plate 43, the middle part of the bottom of the pressing plate 43 is fixedly provided with a conductive column 35, the conductive bottom structure 23 comprises a bottom plate 33, the top of the bottom plate 33 is equidistantly provided with a plurality of arc-shaped grooves 34 and column grooves 36, the column grooves 36 are positioned on the top of the arc-shaped grooves 34, the inner ring of the arc-shaped grooves 34 is provided with an arc-shaped plate 42, the inner wall of the arc-shaped plate 42 is provided with a guide groove 41, a second spring clamping block 40 is fixedly arranged at the bottom of the arc-shaped plate 42, a first spring clamping block 38 is fixedly arranged at the lower part of the inner wall of the arc-shaped groove 34, and a first return spring 39 and a first spring 38 are fixedly arranged between the first spring clamping block 38 and the first return spring 39.

The top of the pressure plate 43 is fixedly provided with a bearing 44, the inner cavity of the bearing 44 is fixedly connected with a circular truncated cone 45, and the top of the circular truncated cone 45 is provided with a groove.

Base subassembly 1 includes electrical apparatus case 4, the top fixed mounting of electrical apparatus case 4 places case 5, the front fixed mounting who places case 5 has front shroud 20, the back fixed mounting of front shroud 20 has insulation board 21, front shroud 20 all is the equidistance with insulation board 21 and runs through and set up wired cable hole 22, the bottom fixed mounting who places the case 5 inner wall has insulating frame 6, and insulating frame 6's front is open form, the equal fixed mounting in both sides of placing case 5 inner wall has gib block 7, roof 29, heavy deck 31 all sets up two guide ways 25 with gib block 7 looks adaptation with the both sides of bottom plate 33, inside one side difference fixed mounting of electrical apparatus case 4 has two 40 and singlechip 11 of spring fixture block.

The round hole 8 has been seted up all to the back of placing case 5 and insulating frame 6 through, and the inside fixed mounting who places round hole 8 on case 5 has ventilation assembly 9, and ventilation assembly 9 includes ring seat 53, and ring seat 53's inside rear fixed mounting has mesh board 58.

Fixed mounting has a round case 59 in the positive center department of mesh board 58, three arc slide 61 has been seted up in the outer wall of round case 59 running through, fixed mounting has three fixed sunshade 54 between the inner wall of ring seat 53 and the outer wall of round case 59, one side of fixed sunshade 54 has been seted up and has been placed chamber 55, the inside of placing chamber 55 is provided with movable sunshade 56, round case 59 rotates through its internally mounted's bearing and installs major axis 60, fixedly connected with connecting block 57 between the outer wall of major axis 60 and the movable sunshade 56, and connecting block 57 passes arc slide 61, the outer wall of major axis 60 cup joints and installs gear 17, the bottom fixed mounting who places the incasement 5 inner wall has electric telescopic handle 19, the expansion end fixedly connected with rack installation piece 18 of electric telescopic handle 19, one side fixed mounting of rack installation piece 18 has rack 16, and rack 16 meshes with gear 17 mutually.

The inner wall of insulating frame 6 fixed mounting respectively has temperature sensor and smoke transducer, the middle part fixed mounting of 4 inner wall bottoms of electrical apparatus case has air pump 14, the end of giving vent to anger of air inlet fixedly connected with gas pitcher 15 of air pump 14, and the inside of gas pitcher 15 is provided with carbon dioxide, the gaseous main line 13 of the fixedly connected with of giving vent to anger of air pump 14, the fixed mounting that gives vent to anger at gaseous main line 13 top has a plurality of gas branch pipes 12, and the end of giving vent to anger of gas branch pipe 12 is located the inside of insulating frame 6, the bottom of bottom plate 33 runs through the gas pocket 37 of seting up a plurality of and gas branch pipe 12 looks adaptations.

The cover plate assembly 3 comprises a top cover 51, a plurality of bolt covers 52 are fixedly arranged on the top of the top cover 51 at equal intervals, and the inside of the top cover 51 is matched with the inside of the bolt covers 52.

The working principle of the invention is as follows:

when the terminal is used, the whole terminal is composed of three major parts, namely a base component 1, a conductive component 2 and a cover plate component 3, the terminal is provided with three major components, a user can conveniently unseal the terminal for use, meanwhile, the conductive component 2 is composed of a conductive bottom structure 23, a conductive middle structure 24 and a conductive top structure 26 in a combined mode, the conductive component 2 is separated into three parts, and the difficulty in processing related holes in the conductive component 2 is reduced;

when the terminals are connected, the front cover plate 20 can be detached from the placing box 5, and at the moment, the conductive component 2 in the placing box 5 can be completely leaked out, so that the blocking of the terminal connection part by the front cover plate 20 is avoided, the visual field of a user is enlarged, the cable wire ends can be conveniently inserted into the connecting terminals, and the wiring efficiency is improved;

then the cable end is inserted along the left inlet of the guiding groove 41, the cable end can be changed into arc shape from straight line by the guiding of the guiding groove 41 and is sleeved on the outer wall of the conductive column 35, when the cable end comes out from the other outlet of the guiding groove 41, the cable end is pulled forward to make the outer wall of the cable end fit with the conductive column 35, then the bolt 27 is rotated to apply downward pressure on the pressing plate 43, so that the cable end is pressed on the top of the bottom plate 33 through the pressing plate 43 to complete the installation of the cable end, the mode of direct pressing line or elastic sheet pressing and pressing connection of the traditional bolt 27 is changed, the cable end is changed into arc shape from straight line by the guiding of the guiding groove 41, the contact area between the cable end and the conductive sheet is enlarged, meanwhile, the cable end is equivalently sleeved on the outer wall of the conductive column 35 to limit the position of the cable end, when the cable end is pressed, the sliding is not easy to occur, the pressing is more stable, thereby being beneficial to avoiding poor contact, The service life of the terminal is prolonged when the cable is crushed or broken;

in the process of pressing the thread end, the L-shaped frame 48 extrudes the second return spring 47, the arc-shaped plate 42 extrudes the first return spring 39, and when the thread end is extruded in a contact manner, the related structures can be reset under the resetting action of the springs to wait for the next use;

when the temperature sensor or the smoke sensor detects that the temperature of the conductive component 2 is too high or smoke exists, the air pump 14 pumps carbon dioxide out of the air tank 15, the carbon dioxide is sprayed into the semicircular groove 32 through the air hole 37 and is made to spread in the inner cavity of the placing box 5, fire extinguishing and rescue operations are performed on the terminal, when the carbon dioxide is pumped out, the electric telescopic rod 19 extends, the rack 16 moves towards one side, the long shaft 60 is driven to rotate under the transmission action of the rack 16 and the gear 17, the movable shielding plate 56 is taken out of the placing cavity 55 and is made to move to the cavity between the two adjacent fixed shielding plates 54, the annular seat 53 is blocked, the leakage of the carbon dioxide is avoided, and the oxygen content in the placing box 5 can be reduced.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.