CN114069510A

CN114069510A - Explosion-proof cable junction box

Info

Publication number: CN114069510A
Application number: CN202210042310.4A
Authority: CN
Inventors: 袁增兴; 丁富华
Original assignee: Xuzhou Haohua Cable Bridge Co ltd
Current assignee: Xuzhou Haohua Cable Bridge Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-02-18

Abstract

The application discloses explosion-proof cable junction box, include terminal box shell, protection component and install the fixed subassembly on the terminal box shell, terminal box shell internally mounted has coupling assembling, the sealing washer has been cup jointed to terminal box shell inner wall, the thickness of sealing washer is less than the terminal box shell, the protective cover has been cup jointed to terminal box shell one side, protective cover internally mounted has protection component, protection component includes heat dissipation fan, air pump and baffle, the gomphosis of heat dissipation fan is on the protective cover, protective cover one side is through tuber pipe and heating panel intercommunication, a plurality of ventilation holes have been seted up to the heating panel bottom, the air pump is installed to heat dissipation fan one side, the air pump gomphosis is on the protective cover, the trachea has all been cup jointed at both ends about the air pump, the trachea is connected with the connecting pipe, the connecting pipe rigid coupling is on the protective cover inner wall. The application provides an explosion-proof cable junction box convenient to installation is fixed, and is sealed, insulating effectual and possess locking not hard up.

Description

Explosion-proof cable junction box

Technical Field

The application relates to a junction box, in particular to an explosion-proof cable junction box.

Background

The junction box is one of the electrical accessories which play a role in protecting and connecting electric wires in home decoration. The electric wires for decoration are passed through the electric wire tube, and the junction box is generally used as transition at the junction of the electric wires (for example, the wires are longer, or the electric wire tube is turned). The junction box usually consists of a box cover, a box body, a wiring terminal, a diode, a connecting wire and a connector, and is generally made of PVC and white iron box materials.

The inside limit structure of terminal box is difficult for adjusting position, is unfavorable for the connection and the reinforcement of cable, and the cable is not hard up easily, and the mounted position and the difficult regulation of direction of terminal box influence the installation of terminal box fixed, and there may be the electric leakage risk inside the terminal box, and inside temperature and the difficult timely regulation of atmospheric pressure of terminal box are unfavorable for carrying out explosion-proof protection to the terminal box, influence the security that the terminal box used.

Disclosure of Invention

An explosion-proof cable junction box comprises a junction box shell, a protective component and a fixing component arranged on the junction box shell, wherein a connecting component is arranged inside the junction box shell, a sealing ring is sleeved on the inner wall of the junction box shell, the thickness of the sealing ring is smaller than that of the junction box shell, a protective cover is sleeved on one side of the junction box shell, a protective component is arranged inside the protective cover and comprises a heat dissipation fan, an air pump and a baffle plate, the heat dissipation fan is embedded on the protective cover, one side of the protective cover is communicated with a heat dissipation plate through an air pipe, a plurality of ventilation holes are formed in the bottom of the heat dissipation plate, the air pump is arranged on one side of the heat dissipation fan and embedded on the protective cover, air pipes are sleeved at the upper end and the lower end of each air pump and connected with a connecting pipe, the connecting pipes are fixedly connected on the inner wall of the protective cover, and one end of each connecting pipe is sleeved in the connecting block, an airbag cushion is arranged on one side of the connecting block; the fixing assembly comprises a first mounting plate, mounting strips and a second mounting plate, the first mounting plate is fixedly connected to the top of the junction box shell, the second mounting plate is mounted at the bottom of the junction box shell through a first telescopic rod, the fixing blocks are fixedly connected to two sides of the junction box shell, the mounting strips are mounted on one side of the fixing blocks, the mounting strips are two in number, and mounting holes are formed in the mounting strips.

Further, fixed subassembly still includes supporting mechanism, supporting mechanism includes support frame, sucking disc and second telescopic link, one side rigid coupling that the protective cover was kept away from to the terminal box shell has two sucking discs, the support frame is installed to sucking disc one side, the support frame passes through to rotate between damping pivot and the terminal box shell and is connected, the sucking disc is kept away from one side of support frame and is installed the mounting bar, be connected through the second telescopic link between mounting bar and the terminal box shell, the adjusting bolt has been cup jointed between mounting bar and the fixed block.

Further, second mounting panel top rigid coupling has backup pad one end, the backup pad other end and terminal box shell overlap joint, install the bolt between backup pad and the terminal box shell, the backup pad is located first telescopic link one side, first telescopic link includes interior pole and outer pole, outer pole top rigid coupling is in terminal box shell bottom, sliding connection between outer pole lateral wall and the outer pole is run through to interior pole top both sides, interior pole bottom rigid coupling is on the second mounting panel.

Further, install stop gear between terminal box shell and the protective cover, stop gear includes curb plate, instruction piece and reinforcement piece, the curb plate rigid coupling is on the protective cover inner wall, just the curb plate end block respectively is on the first lantern ring and the second lantern ring, the instruction piece is all installed to both sides about the first lantern ring, the instruction piece rigid coupling is on terminal box shell lateral wall, the inside pilot lamp that installs of instruction piece, pilot lamp one side block has supplementary connecting block, supplementary connecting block one end gomphosis is in the protective cover, both sides about the terminal box shell of reinforcement piece rigid coupling, reinforcement piece is connected with protective cover one side block.

Further, the inside detection mechanism that still includes of protective cover, detection mechanism includes power module, temperature sensor and horizontal bar, the power module rigid coupling is on the protective cover, temperature sensor is installed on the protective cover right side, the protective cover lateral wall is run through to the temperature sensor bottom, baroceptor is installed to temperature sensor one side, temperature sensor and baroceptor top are all through the horizontal pole rigid coupling on the lateral wall of heat dissipation fan.

Further, the rigid coupling has the protection strip on the protective cover, protection strip block is on heat dissipation fan and air pump, the handle is all installed to protection strip both sides, the handle rigid coupling is on the protective cover, the rigid coupling has driving motor on the protective cover, driving motor's output shaft rigid coupling has drive gear, drive gear is located protective cover inner chamber top, drive gear one side is connected with the baffle meshing, rotate between baffle and the protective cover and be connected.

Further, coupling assembling includes first lug, gib block and locking mechanism, the gib block rigid coupling is in terminal box shell inner chamber bottom, the rigid coupling has the second lug on the gib block, the equal block in second lug both sides has the block, the block rigid coupling is in first lug one end, first lug block on the gib block and between the gib block sliding connection, one side rigid coupling that the block was kept away from to first lug has the movable block, the movable block is connected with the stopper block, the stopper rigid coupling is on the gib block.

Further, the equal block in first terminal block and second terminal block top has built-in board, one side rigid coupling that built-in board is close to first terminal block has contact block, two the rigid coupling has the horizontal bar between the contact block, one side rigid coupling that the protective cover was kept away from to the horizontal bar has the arc piece, the connecting rod is all installed to arc piece both sides, connecting rod bottom block is on first terminal block.

Further, locking mechanism includes spacing collar, leading wheel and the first lantern ring, the leading wheel bottom cup joints in terminal box shell inner chamber bottom, the leading wheel is located between the louvre, the louvre is seted up in terminal box shell bottom, terminal box shell both sides are run through by first lantern ring and second lantern ring respectively, be connected with second through the screw respectively on the first lantern ring and the second lantern ring and prevent that loose circle and first prevent the circle.

Further, the equal rigid coupling in first lantern ring and second lantern ring one end has the spacing collar, first lantern ring and second lantern ring inner structure are the same, the rigid coupling has spring one end on the second lantern ring inner wall, the spring other end rigid coupling is on splint, splint are the arc, just the thickness of clamp plate is less than the second lantern ring.

The application has the advantages that: the explosion-proof cable junction box is convenient to install and fix, good in sealing and insulating effects and capable of preventing loosening.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a perspective view of an explosion proof cable junction box according to one embodiment of the present application;

FIG. 2 is a schematic view of the overall structure of the embodiment shown in FIG. 1;

FIG. 3 is a schematic view of the construction of the adjustment bolt of the embodiment of FIG. 1;

FIG. 4 is a schematic view of the connection tube structure of the embodiment of FIG. 1;

FIG. 5 is a schematic view of the structure of the guide wheel in the embodiment of FIG. 1;

FIG. 6 is a schematic view of the cleat of the embodiment of FIG. 1;

FIG. 7 is a schematic diagram of the structure of the inner panel of the embodiment shown in FIG. 1;

FIG. 8 is a schematic view of the connection of the indicator block structure in the embodiment of FIG. 1;

FIG. 9 is a schematic view of the support frame structure of the embodiment of FIG. 1;

fig. 10 is a schematic view of the drive gear structure of the embodiment of fig. 1.

The meaning of the reference symbols in the figures: 1. a first mounting plate; 2. connecting blocks; 3. a limiting ring; 4. a first junction block; 5. a guide wheel; 6. a clamping block; 7. mounting a bar; 701. adjusting the bolt; 8. an airbag cushion; 9. a first telescopic rod; 10. a support plate; 11. a second mounting plate; 12. a seal ring; 13. a junction box housing; 14. a second junction block; 15. a first collar; 16. heat dissipation holes; 17. a moving block; 18. a limiting block; 19. a guide strip; 20. a protective cover; 2001. a side plate; 2002. a power supply module; 2003. an auxiliary connecting block; 21. an indication block; 2101. an indicator light; 22. a heat dissipation fan; 23. a temperature sensor; 24. a fixed block; 25. a support frame; 26. a reinforcing block; 27. a second collar; 2701. a spring; 2702. a splint; 28. a built-in plate; 29. a contact block; 2901. a connecting rod; 30. a horizontal bar; 31. an arc-shaped block; 32. a first anti-loosening ring; 33. a second anti-loosening ring; 34. a suction cup; 35. a second telescopic rod; 36. an air tube; 37. a connecting pipe; 38. an air pump; 39. an air pressure sensor; 40. a baffle plate; 41. a drive gear; 42. a heat dissipation plate; 43. a drive motor; 44. a handle; 45. and (4) a protective strip.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 10, an explosion-proof cable junction box includes a junction box housing 13, a protection assembly and a fixing assembly installed on the junction box housing 13, wherein a connection assembly is installed inside the junction box housing 13, a sealing ring 12 is sleeved on the inner wall of the junction box housing 13, the thickness of the sealing ring 12 is smaller than that of the junction box housing 13, a protection cover 20 is sleeved on one side of the junction box housing 13, a protection assembly is installed inside the protection cover 20, the protection assembly includes a heat dissipation fan 22, an air pump 38 and a baffle 40, the heat dissipation fan 22 is embedded on the protection cover 20, one side of the protection cover 20 is communicated with a heat dissipation plate 42 through an air pipe, a plurality of ventilation holes are opened at the bottom of the heat dissipation plate 42, the air pump 38 is installed on one side of the heat dissipation fan 22, the air pump 38 is embedded on the protection cover 20, air pipes 36 are sleeved at the upper and lower ends of the air pump 38, the air pipes 36 are connected with a connection pipe 37, the connecting pipe 37 is fixedly connected to the inner wall of the protective cover 20, one end of the connecting pipe 37 is sleeved in the connecting block 2, and the airbag cushion 8 is mounted on one side of the connecting block 2; the fixing component comprises a first mounting plate 1, a mounting bar 7 and a second mounting plate 11, the first mounting plate 1 is fixedly connected to the top of a junction box shell 13, the second mounting plate 11 is installed at the bottom of the junction box shell 13 through a first telescopic rod 9, fixing blocks 24 are fixedly connected to two sides of the junction box shell 13, the mounting bar 7 is installed on one side of each fixing block 24, the mounting bars 7 are two in number, mounting holes are formed in the mounting bars 7, when the protective cover 20 is installed on the junction box shell 13, one end of a connecting pipe 37 is connected with the connecting block 2, the connecting block 2 and the airbag cushion 8 are inflated through an air pump 38, the top end of the airbag cushion 8 moves upwards to support the top of an inner cavity of the protective cover 20, the inside of the junction box shell 13 is sealed and protected, a heat dissipation fan 22 is communicated with a heat dissipation plate 42, and the inside of the junction box shell 13 can be cooled by heat dissipation plate 42, excessive internal temperature of terminal block housing 13 is avoided.

In foretell technical scheme, install the top at terminal box shell 13 through fixed subassembly, bottom and both sides, can change terminal box shell 13's mounted position and direction, when fixed to terminal box shell 13 bottom installation, pulling second mounting panel 11, the interior pole top of first telescopic link 9 removes in the outer pole is inside, adjust the length of first telescopic link 9, install the bolt between interior pole top and the interior pole lateral wall, fix the length of first telescopic link 9, but utilize mounting hole to fix the installation of terminal box shell 13 bottom on the second mounting panel 11, do benefit to first mounting panel 1 and can fix terminal box shell 13 top installation, but utilize mounting bar 7 to fix the side-mounting that protective cover 20 was kept away from to terminal box shell 13 simultaneously.

As an optimized technical scheme, the fixing component further comprises a supporting mechanism, the supporting mechanism comprises a supporting frame 25, two suckers 34 and a second telescopic rod 35, one side, far away from the protective cover 20, of the junction box shell 13 is fixedly connected with the two suckers 34, one side of each sucker 34 is provided with the supporting frame 25, the supporting frame 25 is rotatably connected with the junction box shell 13 through a damping rotating shaft, one side, far away from the supporting frame 25, of each sucker 34 is provided with the mounting strip 7, the mounting strip 7 is connected with the junction box shell 13 through the second telescopic rod 35, the adjusting bolt 701 is sleeved between the mounting strip 7 and the fixing block 24, the suckers 34 are contacted with the mounting surface to be beneficial to the attachment and fixation of one side of the junction box shell 13, at the moment, the supporting frame 25 is clamped on the side wall of the junction box shell 13 after being stored, when the distance between the junction box shell 13 and the mounting surface is far, the supporting frame 25 is rotated on one side of the junction box shell 13, the supporting frame 25 and the side wall of the junction box shell 13 are kept vertical, one side of the junction box shell 13 can be supported by the supporting frame 25, and the through hole on the supporting frame 25 can be provided with a bolt to fix the installation of the junction box shell 13.

As a further optimization scheme, 11 top rigid couplings of second mounting panel have backup pad 10 one end, the backup pad 10 other end and terminal box shell 13 overlap joint, install the bolt between backup pad 10 and the terminal box shell 13, backup pad 10 is located first telescopic link 9 one side, first telescopic link 9 includes interior pole and outer pole, outer pole top rigid coupling is in terminal box shell 13 bottom, sliding connection between outer pole lateral wall and the outer pole is run through to interior pole top both sides, interior pole bottom rigid coupling is on second mounting panel 11.

When the second mounting plate 11 in the above technical solution moves at the bottom of the junction box housing 13, the support plate 10 moves at one side of the junction box housing 13, and when the position of the second mounting plate 11 is not adjusted, a bolt is mounted between the support plate 10 and the junction box housing 13 to fix the position of the second mounting plate 11, thereby defining the length of the first telescopic rod 9.

As an optimized scheme, a limiting mechanism is installed between the junction box housing 13 and the protective cover 20, the limiting mechanism includes a side plate 2001, an indication block 21 and a reinforcement block 26, the side plate 2001 is fixedly connected to the inner wall of the protective cover 20, the ends of the side plate 2001 are respectively clamped to a first collar 15 and a second collar 27, the indication blocks 21 are installed on the upper side and the lower side of the first collar 15, the indication blocks 21 are fixedly connected to the side wall of the junction box housing 13, an indication lamp 2101 is installed inside the indication block 21, an auxiliary connection block 2003 is clamped on one side of the indication lamp 2101, one end of the auxiliary connection block 2003 is embedded in the protective cover 20, the reinforcement block 26 is fixedly connected to the upper side and the lower side of the junction box housing 13, the reinforcement block 26 is clamped to one side of the protective cover 20, when the protective cover 20 is installed on the top of the junction box housing 13, the junction box housing 13 is clamped to the reinforcement block 26, the latch is installed on the reinforcing block 26 for reinforcement, and at this time, the side plate 2001 is snapped on the first collar 15 and the second collar 27, the end of the auxiliary connecting block 2003 is in snap contact with the indicating block 21, the indicating block 21 is in electrical communication with the end of the auxiliary connecting block 2003, and the indicator lamp 2101 is lighted to indicate the correct installation of the protecting cover 20.

As a further optimized technical solution, the inside detection mechanism that still includes of protective cover 20, detection mechanism includes power module 2002, temperature sensor 23 and horizontal bar 30, power module 2002 rigid coupling is on protective cover 20, temperature sensor 23 is installed on protective cover 20 right side, protective cover 20 lateral wall is run through to temperature sensor 23 bottom, atmospheric pressure sensor 39 is installed to temperature sensor 23 one side, temperature sensor 23 and atmospheric pressure sensor 39 top are all through the horizontal pole rigid coupling on radiator fan 22 lateral wall, the inside temperature of temperature sensor 23 detectable terminal box shell 13, the inside atmospheric pressure change of atmospheric pressure sensor 39 detectable terminal box shell 13, utilize external controlgear to detect the inside temperature and atmospheric pressure change of terminal box shell 13, when temperature and atmospheric pressure surpass the predetermined value, controlgear reports to the police, the heat dissipation fan 22 operates to dissipate heat and protect the inside of the terminal housing 13.

As an extension scheme, the rigid coupling has protection strip 45 on protective cover 20, protection strip 45 block is on radiator fan 22 and air pump 38, handle 44 is all installed to protection strip 45 both sides, handle 44 rigid coupling is on protective cover 20, the rigid coupling has driving motor 43 on protective cover 20, driving motor 43's output shaft rigid coupling has drive gear 41, drive gear 41 is located protective cover 20 inner chamber top, drive gear 41 one side is connected with the meshing of baffle 40, rotate between baffle 40 and the protective cover 20 and be connected.

Can protect heat dissipation fan 22 and air pump 38 through protective strip 45, handle 44 does benefit to installation and dismantlement of protective cover 20 on terminal box shell 13, when the inside atmospheric pressure of terminal box shell 13 is great, driving motor 43 drives drive gear 41 and rotates, drive gear 41 meshes with baffle 40, drive baffle 40 and rotate, through-hole on the baffle 40 and the coincidence of the through-hole on the protective cover 20, can discharge the inside unnecessary air of terminal box shell 13, in time release the pressure to the inside of terminal box shell 13, realize the explosion-proof protection to the inside of terminal box shell 13, the potential safety hazard when reducing terminal box shell 13 and using.

As a further preferable scheme, the connecting assembly includes a first connecting block 4, a guide bar 19 and a locking mechanism, the guide bar 19 is fixedly connected to the bottom of the inner cavity of the connecting box housing 13, the guide bar 19 is fixedly connected to a second connecting block 14, two sides of the second connecting block 14 are respectively fastened to a fastening block 6, the fastening block 6 is fixedly connected to one end of the first connecting block 4, the first connecting block 4 is fastened to the guide bar 19 and slidably connected to the guide bar 19, one side of the first connecting block 4, which is far away from the fastening block 6, is fixedly connected to a moving block 17, the moving block 17 is fastened to a limiting block 18, the limiting block 18 is fixedly connected to the guide bar 19, when the connecting line is loosely installed, the first connecting block 4 is fastened to the second connecting block 14 by means of the fastening block 6, when the connecting line is densely installed, the first connecting block 4 is moved by means of the moving block 17 on the guide bar 19, the second wiring block 14 is separated from the clamping block 6, the moving block 17 is clamped and connected with the limiting block 18, the distance between the first wiring block 4 and the second wiring block 14 is adjusted, a cable is conveniently installed inside the wiring box shell 13, the sealing ring 12 is installed inside the wiring box shell 13, and the sealing effect is good.

Furthermore, the top of the first terminal block 4 and the second terminal block 14 are respectively clamped with an internal plate 28, a contact block 29 is fixedly connected to one side of the built-in plate 28 close to the first wiring block 4, a cross bar 30 is fixedly connected between the two contact blocks 29, an arc block 31 is fixedly connected to one side of the cross bar 30 away from the protective cover 20, connecting rods 2901 are mounted on both sides of the arc block 31, the bottom end of the connecting rod 2901 is clamped on the first wiring block 4, the two ends of the built-in board 28 are clamped on the first wiring block 4 through the connecting rod 2901, the first wiring block 4 and the second wiring block 14 have the same structure, wiring holes are arranged on the left side and the right side of the first wiring block 4, when a cable passes through the wiring holes on the two ends of the first wiring block 4, the built-in plate 28 is positioned at the top of the cable, the contact block 29 is pressed at the top of the cable, the arc-shaped block 31 is lapped at the top of the cable, the cables are pressed and limited, so that the cables are conveniently installed and reinforced inside the junction box shell 13.

Further, the anti-loosening mechanism comprises a limiting ring 3, a guide wheel 5 and a first sleeve ring 15, the bottom end of the guide wheel 5 is sleeved at the bottom of the inner cavity of the junction box shell 13, the guide wheels 5 are positioned among the heat dissipation holes 16, the heat dissipation holes 16 are arranged at the bottom of the junction box shell 13, the two sides of the junction box shell 13 are respectively penetrated by a first sleeve ring 15 and a second sleeve ring 27, the first sleeve ring 15 and the second sleeve ring 27 are respectively connected with a second anti-loosening ring 33 and a first anti-loosening ring 32 through threads, when a cable is installed in the junction box shell 13, the cable passes through the first anti-loosening ring 32 and enters the junction box shell 13, the guide wheel 5 is in winding connection and turns, so that the wiring harness in the cable is conveniently wound on the first wiring block 4 and the second wiring block 14, and the wiring harness is prevented from being excessively wound in the junction box shell 13 without being guided to be distinguished, and the connection and the use of the wiring harness are prevented from being influenced.

Further, first lantern ring 15 and the equal rigid coupling of second lantern ring 27 one end have spacing collar 3, first lantern ring 15 is the same with second lantern ring 27 inner structure, the rigid coupling has spring 2701 one end on the second lantern ring 27 inner wall, the other end rigid coupling of spring 2701 is on splint 2702, splint 2702 is the arc, just splint 2702's thickness is less than second lantern ring 27.

Can consolidate the installation of first lantern ring 15 and second lantern ring 27 through the rigid coupling at the inside spacing collar 3 of terminal box shell 13, splint 2702 is all installed to first lantern ring 15 and second lantern ring 27 inside, the cable is when inserting terminal box shell 13 inside, splint 2702 presss from both sides tightly the cable both sides under spring 2701's effect, it is not hard up when reducing the cable junction, guarantee the stable connection of cable, curved slider is installed to splint 2702's upper and lower both sides, the slider rigid coupling is on the inner wall of second lantern ring 27 and first lantern ring 15, can lead to the removal of cable, be convenient for the cable gets into the inside connection that connects of terminal box shell 13.

Has the advantages that:

the adjustable limiting structure is arranged in the junction box, so that the connection and the reinforcement of the cable are facilitated, and the cable is not easy to loosen; the junction box is provided with an installation structure, so that the upper part, the lower part and one side of the junction box can be conveniently installed and fixed, and the protective cover can be detached, so that the inside of the junction box can be conveniently overhauled; the sealing effect and the insulating effect inside the junction box are good, and the electric leakage risk of the junction box in use is reduced; the temperature and the air pressure in the junction box can be detected by the detection mechanism, and can be adjusted in time, so that the explosion protection is performed, and the safety of the junction box during use is improved.

It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. Explosion-proof cable junction box, its characterized in that: including terminal box shell (13), protection component and installing the fixed subassembly on terminal box shell (13), terminal box shell (13) internally mounted has coupling assembling, sealing washer (12) have been cup jointed to terminal box shell (13) inner wall, the thickness of sealing washer (12) is less than terminal box shell (13), protective cover (20) have been cup jointed to terminal box shell (13) one side, protective cover (20) internally mounted has protection component, protection component includes radiator fan (22), air pump (38) and baffle (40), radiator fan (22) gomphosis is on protective cover (20), protective cover (20) one side is passed through tuber pipe and heating panel (42) intercommunication, a plurality of ventilation holes have been seted up to heating panel (42) bottom, air pump (38) are installed to radiator fan (22) one side, air pump (38) gomphosis is on protective cover (20), the upper end and the lower end of the air pump (38) are respectively sleeved with an air pipe (36), the air pipes (36) are connected with a connecting pipe (37), the connecting pipe (37) is fixedly connected to the inner wall of the protective cover (20), one end of the connecting pipe (37) is sleeved in the connecting block (2), and one side of the connecting block (2) is provided with an airbag cushion (8); fixed subassembly includes first mounting panel (1), mounting bar (7) and second mounting panel (11), first mounting panel (1) rigid coupling is at terminal box shell (13) top, second mounting panel (11) are installed through first telescopic link (9) to terminal box shell (13) bottom, the equal rigid coupling in terminal box shell (13) both sides has fixed block (24), mounting bar (7) are installed to fixed block (24) one side, mounting bar (7) are totally two, the mounting hole has been seted up on mounting bar (7).

2. The explosion-proof cable junction box of claim 1, wherein: fixed subassembly still includes supporting mechanism, supporting mechanism includes support frame (25), sucking disc (34) and second telescopic link (35), one side rigid coupling that protective cover (20) was kept away from in terminal box shell (13) has two sucking discs (34), support frame (25) are installed to sucking disc (34) one side, support frame (25) rotate between through damping pivot and terminal box shell (13) and are connected, install mounting bar (7) in one side that support frame (25) were kept away from in sucking disc (34), be connected through second telescopic link (35) between mounting bar (7) and terminal box shell (13), adjusting bolt (701) has been cup jointed between mounting bar (7) and fixed block (24).

3. The explosion-proof cable junction box of claim 1, wherein: second mounting panel (11) top rigid coupling has backup pad (10) one end, backup pad (10) other end and terminal box shell (13) overlap joint, install the bolt between backup pad (10) and terminal box shell (13), backup pad (10) are located first telescopic link (9) one side, first telescopic link (9) are including interior pole and outer pole, outer pole top rigid coupling is in terminal box shell (13) bottom, sliding connection between outer pole lateral wall and the outer pole is run through to interior pole top both sides, interior pole bottom rigid coupling is on second mounting panel (11).

4. The explosion-proof cable junction box of claim 1, wherein: a limiting mechanism is arranged between the junction box shell (13) and the protective cover (20), the limiting mechanism comprises a side plate (2001), an indicating block (21) and a reinforcing block (26), the side plate (2001) is fixedly connected to the inner wall of the protective cover (20), the tail ends of the side plates (2001) are respectively clamped on the first lantern ring (15) and the second lantern ring (27), the upper side and the lower side of the first lantern ring (15) are respectively provided with an indicating block (21), the indicating blocks (21) are fixedly connected on the side wall of the junction box shell (13), an indicator lamp (2101) is arranged in the indicator block (21), an auxiliary connecting block (2003) is clamped at one side of the indicator lamp (2101), one end of the auxiliary connecting block (2003) is embedded in the protective cover (20), the reinforcing block (26) is fixedly connected to the upper side and the lower side of the junction box shell (13), and the reinforcing block (26) is connected with one side of the protective cover (20) in a clamping mode.

5. The explosion-proof cable junction box of claim 1, wherein: protective cover (20) is inside still includes detection mechanism, detection mechanism includes power module (2002), temperature sensor (23) and horizontal bar (30), power module (2002) rigid coupling is on protective cover (20), temperature sensor (23) are installed on protective cover (20) right side, protective cover (20) lateral wall is run through to temperature sensor (23) bottom, baroceptor (39) are installed to temperature sensor (23) one side, all through the horizontal pole rigid coupling on radiator fan (22) lateral wall on temperature sensor (23) and baroceptor (39) top.

6. The explosion-proof cable junction box of claim 1, wherein: the rigid coupling has protection strip (45) on protective cover (20), protection strip (45) block is on radiator fan (22) and air pump (38), handle (44) are all installed to protection strip (45) both sides, handle (44) rigid coupling is on protective cover (20), the rigid coupling has driving motor (43) on protective cover (20), the output shaft rigid coupling of driving motor (43) has drive gear (41), drive gear (41) are located protective cover (20) inner chamber top, drive gear (41) one side is connected with baffle (40) meshing, rotate between baffle (40) and protective cover (20) and be connected.

7. The explosion-proof cable junction box of claim 1, wherein: coupling assembling includes first splice block (4), guide bar (19) and locking mechanism, guide bar (19) rigid coupling is in terminal box shell (13) inner chamber bottom, the rigid coupling has second splice block (14) on guide bar (19), second splice block (14) both sides all block has block (6), block (6) rigid coupling is in first splice block (4) one end, sliding connection between first splice block (4) block and guide bar (19) on guide bar (19), one side rigid coupling that block (6) were kept away from in first splice block (4) has movable block (17), movable block (17) are connected with stopper (18) block, stopper (18) rigid coupling is on guide bar (19).

8. The explosion-proof cable junction box of claim 7, wherein: first junction block (4) and second junction block (14) top all block have built-in board (28), one side rigid coupling that built-in board (28) are close to first junction block (4) has contact piece (29), two the rigid coupling has horizontal bar (30) between contact piece (29), one side rigid coupling that protective cover (20) were kept away from in horizontal bar (30) has arc piece (31), connecting rod (2901) are all installed to arc piece (31) both sides, connecting rod (2901) bottom block is on first junction block (4).

9. The explosion-proof cable junction box of claim 7, wherein: locking mechanism includes spacing collar (3), leading wheel (5) and first lantern ring (15), leading wheel (5) bottom cup joints in terminal box shell (13) inner chamber bottom, leading wheel (5) are located between louvre (16), louvre (16) are seted up in terminal box shell (13) bottom, terminal box shell (13) both sides are run through by first lantern ring (15) and second lantern ring (27) respectively, be connected with second through the screw thread on first lantern ring (15) and the second lantern ring (27) respectively and prevent loose circle (33) and first loose circle (32).

10. The explosion-proof cable junction box of claim 9, wherein: the equal rigid coupling of first lantern ring (15) and second lantern ring (27) one end has spacing collar (3), first lantern ring (15) and second lantern ring (27) inner structure are the same, the rigid coupling has spring (2701) one end on second lantern ring (27) inner wall, spring (2701) other end rigid coupling is on splint (2702), splint (2702) are the arc, just the thickness of splint (2702) is less than second lantern ring (27).