CN211151440U

CN211151440U - Rail transit junction box convenient to dismantle dust screen

Info

Publication number: CN211151440U
Application number: CN202020069348.7U
Authority: CN
Inventors: 陈富贵
Original assignee: Zhejiang Tiantai Shuanglin Machinery Co ltd
Current assignee: Zhejiang Tiantai Shuanglin Machinery Co ltd
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-07-31
Anticipated expiration: 2030-01-14

Abstract

The utility model discloses a track traffic junction box convenient to dismantle dust screen, including protective housing, inside pivot and fin, the left and right sides of protective housing all through connection has the junction box, the upper and lower bilateral symmetry fixed mounting of interior box has longitudinal fixity piece, inside pivot is rotated inside the upper and lower both sides of protective housing, and the back intermediate position of protective housing has seted up the mounting groove, fin fixed mounting is in the side of interior box, the inside reservation of protective housing has built-in groove, and the inside rotation of built-in groove is connected with the stopper, the inside swing joint of side spout has the locating lever, the locating hole has all been seted up to the upper and lower both sides inside of elementary dust screen and secondary dust screen. This track traffic junction box convenient to dismantle dust screen adopts neotype structural design for this device is convenient for carry out ventilation cooling to the wiring structure in the internal box, and the device is convenient for dismantle fixedly to the internal box, and the protectiveness when box uses in the improvement.

Description

Rail transit junction box convenient to dismantle dust screen

Technical Field

The utility model relates to a track traffic junction box technical field specifically is a track traffic junction box convenient to dismantle dust screen.

Background

The track traffic junction box is a termination installed on track traffic equipment, and the circuit on the track traffic equipment is complicated, and each way circuit department of gathering need use the junction box to carry out the switching, and the track safety requires strictly, therefore the structure of track traffic junction box, leakproofness and explosion-proof require higher, and the track traffic junction box protects the circuit structure of installation, improves circuit wiring safety.

With the continuous installation and use of the rail transit junction box, the following problems are found in the use process:

1. because the requirement of the sealing and explosion-proof performance of the track traffic junction box is higher, the heat dissipation performance of the track traffic junction box is poorer, the line structure is in a communicated power connection state for a long time, more heat is easily accumulated by the device, the heat cannot be well cooled and dissipated, and the normal use of the line is not facilitated.

2. And some current track traffic junction boxes protective properties are limited to be not convenient for dismantle the maintenance when the circuit goes wrong.

Therefore, the rail transit junction box convenient for disassembling the dustproof net is needed to be designed aiming at the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a track traffic junction box convenient to dismantle dust screen, in order to solve and to propose in the above-mentioned background art because track traffic junction box's sealed and explosion-proof nature requirement is higher, track traffic junction box's thermal diffusivity is relatively poor, circuit structure is in the intercommunication for a long time and connects the electric state, the device accumulates more heat easily, the heat can not be better cooling arrange loose, be unfavorable for the normal use of circuit, and some track traffic junction box protective properties that have now are limited, and be not convenient for dismantle the problem of overhauing when the circuit goes wrong.

In order to achieve the above object, the utility model provides a following technical scheme: a rail transit junction box convenient for disassembling a dust screen comprises a protective box, an internal rotating shaft and radiating fins, wherein the left side and the right side of the protective box are all connected with a junction pipe in a penetrating way, elastic telescopic rods are symmetrically welded on the upper side and the lower side of the interior of the protective box, an inner box body is movably installed in the protective box, longitudinal fixed blocks are symmetrically and fixedly installed on the upper side and the lower side of the inner box body, transverse fixed blocks are symmetrically welded on the left side and the right side of the inner box body, the internal rotating shaft rotates in the upper side and the lower side of the protective box, a mounting groove is formed in the middle position of the back surface of the protective box, a primary dust screen and a secondary dust screen are movably installed in the mounting groove, a ventilation groove is reserved in the back surface of the protective box, the radiating fins are fixedly installed on the side surface of the inner box body, circular grooves, and the inside in built-in groove rotates and is connected with the stopper to the lateral surface reservation of stopper has the side spout, the inside swing joint of side spout has the locating lever, and the locating lever passes through inside spout and protective housing interconnect, and inside spout is seted up in the inside of protective housing, the locating hole has all been seted up to the upper and lower both sides inside of primary dust screen and secondary dust screen.

Preferably, the wiring pipe passes through circular slot and interior box through connection, and the mutual connectivity structure is constituteed with the circular slot to interior box is through horizontal fixed block and wiring pipe constitution dismantlement mounting structure.

Preferably, the inner box body is formed into a disassembly and assembly structure through a transverse fixing block and an elastic telescopic rod, and the inner box body is formed into an elastic structure through the elastic telescopic rod and a protective box.

Preferably, the primary dust screen and the secondary dust screen are both connected with the protective box in an embedded mode through the mounting grooves, the aperture density of the secondary dust screen is smaller than that of the primary dust screen, and the longitudinal section area of the secondary dust screen is smaller than that of the primary dust screen.

Preferably, the ventilation groove is in a mutual communication structure with the protective box through a secondary dust screen and a primary dust screen, the positions of the secondary dust screen and the primary dust screen correspond to the positions of the radiating fins, and the radiating fins are fixedly connected with the inner box body.

Preferably, the locating lever passes through the side spout and constitutes sliding construction with the stop block, and the eccentric axle center installation of stopper and inside pivot to the locating lever passes through inside spout and constitutes extending structure with the guard box, and the locating lever closes with elementary dust screen and secondary dustproof network card through the locating hole and is connected simultaneously.

Compared with the prior art, the beneficial effects of the utility model are that: the rail transit junction box with the dust screen convenient to disassemble adopts a novel structural design, so that the device can well cool and dissipate heat of a butt line structure, and is convenient to disassemble and maintain and convenient to use;

1. the inner box body is arranged inside the protective box, the wiring structure in the inner box body works for a long time to generate large heat, the heat is transmitted to the radiating fins fixedly arranged outside the inner box body, the heat on the radiating fins is mutually communicated with the outside through the ventilation grooves, cooling and radiating are facilitated, meanwhile, the positioning rods arranged in a clamping and connecting mode are conveniently detached and cleaned, external dust is prevented from entering the inner part of the device, and the protection performance of the inner box body is improved;

2. dismantle the interior box that mounting structure set up to and wiring pipe and the circular slot that mutual connectivity structure set up, install the inside at the protective housing through vertical fixed block and horizontal fixed block with interior box, the inside of box is run through with interior box this moment wiring pipe, insert the inside of interior box with the outside circuit through the wiring pipe, be convenient for gather the inside of installing at interior box with the circuit, the protective properties of box in the protective housing can increase, box mounting structure's stability in the elasticity telescopic link can increase simultaneously, the safety in utilization of increase wiring structure.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is a schematic structural view of the junction box of the present invention in a front cross-sectional view;

fig. 4 is the utility model discloses stopper side sectional structure schematic diagram.

In the figure: 1. a protective box; 2. a wire connecting pipe; 3. an elastic telescopic rod; 4. an inner box body; 5. a longitudinal fixing block; 6. a transverse fixing block; 7. an inner rotating shaft; 8. mounting grooves; 9. a primary dust screen; 10. a secondary dust screen; 11. a ventilation slot; 12. a heat sink; 13. a circular groove; 14. a built-in groove; 15. a limiting block; 16. a side chute; 17. positioning a rod; 18. an internal chute; 19. and (7) positioning the holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a rail transit junction box convenient for disassembling a dust screen comprises a protective box 1, a junction pipe 2, an elastic telescopic rod 3, an inner box body 4, a longitudinal fixed block 5, a transverse fixed block 6, an inner rotating shaft 7, a mounting groove 8, a primary dust screen 9, a secondary dust screen 10, a ventilation groove 11, a radiating fin 12, a circular groove 13, an internal groove 14, a limiting block 15, a side sliding groove 16, a positioning rod 17, an internal sliding groove 18 and a positioning hole 19, wherein the left side and the right side of the protective box 1 are both connected with the junction pipe 2 in a penetrating way, the elastic telescopic rod 3 is symmetrically welded on the upper side and the lower side of the inner part of the protective box 1, the inner box body 4 is movably arranged in the protective box 1, the longitudinal fixed block 5 is symmetrically fixedly arranged on the upper side and the lower side of the inner box body 4, the transverse fixed block 6 is symmetrically welded on the left side and the right side of the inner box body 4, and the inside movable mounting of mounting groove 8 has primary dust screen 9 and secondary dust screen 10, the inside reservation of the back of protective housing 1 has ventilation groove 11 simultaneously, fin 12 fixed mounting is in the side of interior box 4, and the inside symmetry of the left and right sides of interior box 4 has seted up circular slot 13, the inside reservation of protective housing 1 has built-in groove 14, and the inside rotation of built-in groove 14 is connected with stopper 15, and the lateral surface reservation of stopper 15 has side spout 16, the inside swing joint of side spout 16 has locating lever 17, and locating lever 17 passes through inside spout 18 and protective housing 1 interconnect, and inside spout 18 sets up in the inside of protective housing 1, locating hole 19 has all been seted up to the inside upper and lower both sides of primary dust screen 9 and secondary dust screen 10.

In the embodiment, the wiring tube 2 is in through connection with the inner box body 4 through the circular groove 13, the wiring tube 2 and the circular groove 13 form a mutual communication structure, the inner box body 4 and the wiring tube 2 form a disassembly and assembly structure through the transverse fixing block 6, and the structural design is convenient for connecting external wires to the inside of the inner box body 4 through the wiring tube 2 and the circular groove 13;

the inner box body 4 and the elastic telescopic rod 3 form a disassembly and assembly structure through the transverse fixed block 6, the inner box body 4 and the protective box 1 form an elastic structure through the elastic telescopic rod 3, and the structure is convenient to install and fix the inner box body 4 in the protective box 1;

the primary dust screen 9 and the secondary dust screen 10 are both connected with the protective box 1 in an embedded mode through the mounting groove 8, the aperture density of the secondary dust screen 10 is smaller than that of the primary dust screen 9, the longitudinal section area of the secondary dust screen 10 is smaller than that of the primary dust screen 9, and the primary dust screen 9 and the secondary dust screen 10 can isolate external dust;

the ventilation groove 11 and the protective box 1 form a mutual communication structure through the secondary dustproof net 10 and the primary dustproof net 9, the positions of the secondary dustproof net 10 and the primary dustproof net 9 correspond to the positions of the radiating fins 12, the radiating fins 12 are fixedly connected with the inner box body 4, heat in the inner box body 4 is accumulated on the radiating fins 12, and ventilation and heat dissipation are carried out through the ventilation groove 11;

locating lever 17 passes through side spout 16 and stopper 15 constitution sliding construction, and stopper 15 and the installation of 7 partial axle centers of inside pivot, and locating lever 17 constitutes extending structure through inside spout 18 and protective housing 1, locating lever 17 is connected with elementary dust screen 9 and secondary dust screen 10 block through locating hole 19 simultaneously, it rotates to drive stopper 15 through the rotation of rotating inside pivot 7, stopper 15 promotes locating lever 17 and removes, promote the inside that gets into locating hole 19 with locating lever 17, be convenient for dismantle the installation to elementary dust screen 9 and secondary dust screen 10, be convenient for clear up it simultaneously.

The working principle is as follows: when the device is used, firstly, according to the structure shown in figures 1, 2 and 3, the protective door of the protective box 1 is opened, the inner box body 4 is placed in the protective box 1, the longitudinal fixed block 5 and the transverse fixed block 6 fixed on the outer side of the inner box body 4 are attached to and cover the outer sides of the elastic telescopic rod 3 and the wiring pipe 2, the longitudinal fixed block 5 and the elastic telescopic rod 3 are fixed by using a bolt, the transverse fixed block 6 and the wiring pipe 2 are fixed by using a bolt, at the moment, the inner box body 4 is fixedly arranged in the protective box 1, the protective door of the inner box body 4 is opened, at the moment, the wiring pipe 2 is mutually communicated with the inner part of the inner box body 4 through a circular groove 13, the external electric wire is connected into the wiring structure in the inner box body 4 through the wiring pipe 2, then the inner box body 4 and the door of the protective box 1 are closed, the protective performance of the inner box body 4 is, the inner box body 4 is fixedly connected with the elastic telescopic rod 3, and the installation stability of the inner box body 4 can be improved under the elastic action of the elastic telescopic rod 3, so that the installation stability of the inner box body 4 is further improved, and the use safety is improved;

then, according to the structure shown in fig. 1, fig. 2 and fig. 4, when the inner box 4 is installed inside the protective box 1, the position of the heat sink 12 fixedly installed on the side surface of the inner box 4 corresponds to the position of the primary dust screen 10 and the secondary dust screen 9, the wiring structure in the inner box 4 generates more heat after long-term use, the heat is accumulated on the heat sink 12, the heat on the heat sink 12 enters the inside of the ventilation slot 11 through the primary dust screen 9 and the secondary dust screen 10, the heat in the ventilation slot 11 is communicated with the external air, thereby cooling and dissipating the heat inside of the device, external dust is effectively isolated and dustproof under the isolation effect of the primary dust screen 9 and the secondary dust screen 10, the dust is prevented from entering the inside of the device to influence the use safety of the inner box 4, after long-term use, the dust screen needs to be cleaned, the inner box 4 is firstly detached from the inside of the device, rotate inside pivot 7 again, inside pivot 7 rotates and drives stopper 15 and rotate, stopper 15 drives locating lever 17 rebound through side spout 16, locating lever 17 removes from the inside of locating hole 19, the mounted position of elementary dust screen 9 and secondary dust screen 10 is not hard up this moment, dismantle elementary dust screen 9 and secondary dust screen 10 from the inside of mounting groove 8 get off, install its inside at protecting box 1 after the sanitization, guarantee the device normal ventilation cooling's effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a track traffic junction box convenient to dismantle dust screen, includes protective housing (1), inside pivot (7) and fin (12), its characterized in that: the left side and the right side of the protective box (1) are both connected with a wiring pipe (2) in a penetrating manner, elastic telescopic rods (3) are symmetrically welded on the upper side and the lower side of the interior of the protective box (1) in a symmetrical manner, an inner box body (4) is movably mounted in the interior of the protective box (1), longitudinal fixing blocks (5) are symmetrically fixedly mounted on the upper side and the lower side of the inner box body (4), transverse fixing blocks (6) are symmetrically welded on the left side and the right side of the inner box body (4) in a symmetrical manner, an internal rotating shaft (7) rotates in the upper side and the lower side of the protective box (1), a mounting groove (8) is formed in the middle position of the back of the protective box (1), a primary dustproof net (9) and a secondary dustproof net (10) are movably mounted in the interior of the mounting groove (8), a ventilation groove (11) is reserved in the, round groove (13) have been seted up to the inside symmetry in the left and right sides of interior box (4), the inside reservation of protective housing (1) has built-in groove (14), and the inside rotation of built-in groove (14) is connected with stopper (15) to the lateral surface reservation of stopper (15) has side spout (16), the inside swing joint of side spout (16) has locating lever (17), and locating lever (17) through inside spout (18) and protective housing (1) interconnect, and inside spout (18) are seted up in the inside of protective housing (1), locating hole (19) have all been seted up to the upper and lower both sides inside of elementary dust screen (9) and secondary dust screen (10).

2. The rail transit junction box convenient for disassembling the dust screen according to claim 1, characterized in that: wiring pipe (2) are through circular slot (13) and interior box (4) through connection, and wiring pipe (2) and circular slot (13) constitute mutual intercommunication structure to interior box (4) constitute through horizontal fixed block (6) and wiring pipe (2) and dismantle mounting structure.

3. The rail transit junction box convenient for disassembling the dust screen according to claim 1, characterized in that: interior box (4) constitute through horizontal fixed block (6) and elastic telescopic rod (3) and dismantle mounting structure, and interior box (4) constitute elastic construction through elastic telescopic rod (3) and protective housing (1).

4. The rail transit junction box convenient for disassembling the dust screen according to claim 1, characterized in that: the primary dust screen (9) and the secondary dust screen (10) are both connected with the protective box (1) in an embedded mode through the mounting groove (8), the aperture density of the secondary dust screen (10) is smaller than that of the primary dust screen (9), and the longitudinal section area of the secondary dust screen (10) is smaller than that of the primary dust screen (9).

5. The rail transit junction box convenient for disassembling the dust screen according to claim 1, characterized in that: the ventilation groove (11) is in a mutual communication structure with the protective box (1) through a secondary dust screen (10) and a primary dust screen (9), the positions of the secondary dust screen (10) and the primary dust screen (9) correspond to the positions of the radiating fins (12), and the radiating fins (12) are fixedly connected with the inner box body (4).

6. The rail transit junction box convenient for disassembling the dust screen according to claim 1, characterized in that: locating lever (17) constitute sliding construction through side spout (16) and stopper (15), and stopper (15) and inside pivot (7) installation of axle center partially to locating lever (17) constitute extending structure through inside spout (18) and protective housing (1), and locating lever (17) are connected through locating hole (19) and elementary dust screen (9) and secondary dust screen (10) block simultaneously.