CN221080904U

CN221080904U - Cable landfill protector

Info

Publication number: CN221080904U
Application number: CN202323029285.5U
Authority: CN
Inventors: 刘子璇
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-11-09
Filing date: 2023-11-09
Publication date: 2024-06-04
Anticipated expiration: 2033-11-09

Abstract

The utility model relates to the technical field of cable protection devices, and particularly discloses a cable landfill protection device which comprises a lower box body, wherein an upper box body is fixed above the lower box body through a lock catch, a medicament layer is fixed on the inner wall of the lower box body and the inner wall of the upper box body, a drying layer is fixed outside the medicament layer, a high-pressure fire extinguishing material tank is fixed above the upper box body, a nozzle of the high-pressure fire extinguishing material tank is inserted into an inner cavity of the upper box body, and a plugging device is arranged at the nozzle of the high-pressure fire extinguishing material tank through threads. The beneficial effects are that: by arranging the fire extinguishing device which is automatically started after the fire is started on the protecting device, the cable can be quickly started to extinguish the fire after the fire is started, so that the cable is prevented from being burnt out of the protecting device and the cable is prevented from being burnt out; through set up two spacing posts in the base both make things convenient for the connection of upper cover and base to be fixed, can carry out spacingly to the cable tip again, the cable of being is bent and is fixed in the base, avoids cable atress back junction not hard up, fracture.

Description

Cable landfill protector

Technical Field

The utility model relates to the technical field of cable protection devices, in particular to a cable landfill protection device.

Background

When the embedded cable in the prior art is used, firstly, a cable trench is dug at a preset position in the underground, then the cable body is laid in the cable trench, and then the two ends of the cable body are electrically connected with electric equipment and power supply equipment for use; the cable body among the prior art discovers in use, because the self limitation of cable body length, often need dock the multiunit cable body, the butt joint position department of multiunit cable generally adopts insulating tape to wrap up the processing to in order to satisfy the electric power transmission demand between the different distance equipment, because cable pit is located underground, its inside is in moist state more, multiunit cable body directly lays inside the cable pit, because insulating tape's protectiveness is relatively poor, lead to the butt joint position department between the multiunit cable body often to damage easily and wet, thereby influence the normal use of cable body, lead to its reliability in use lower.

The Chinese patent with the application number 201910321862.7 discloses an embedded cable, which can improve the protection of the connection part of a plurality of groups of cables, reduce the phenomena of easy damage and damp at the butt joint position among a plurality of groups of cable bodies, improve the normal use effect of the cable bodies and improve the use reliability; the rat in the cable pit can be reduced to crack the cable body, damage to the cable body is reduced, factors affecting normal power supply use and power transmission of the equipment are reduced, and the protection performance is improved; the connection performance of the butt joint positions of the plurality of groups of cable bodies is improved, and the cable bodies are prevented from being broken in a cable laying process and are prevented from being broken, so that the practicability is improved; the drying box comprises a protective box and two groups of net-shaped drying boxes, wherein the inside of each of the two groups of net-shaped drying boxes is filled with a drying agent; the medicine box also comprises a plurality of groups of annular medicine boxes; the device also comprises two groups of left arc clamping plates and two groups of right arc clamping plates.

The above-mentioned patent can protect cable junction, but cable junction is the position that generates heat and fire most easily, and when cable load was too big, the burning of very easily generating fire led to the protective cover to be burnt out, and the junction is blown, influences the normal transmission of electric power, and this problem can not be solved to above-mentioned patent.

Disclosure of utility model

The utility model provides a cable landfill protecting device for solving the problems.

The technical scheme of the utility model is realized as follows:

The utility model provides a cable landfill protector, includes the box down, lower box bottom edge integrated into one piece has the fixed plate, the box top is fixed with the box through the hasp down, go up the box with lower box junction shaping has the through wires hole, the joint has two semicircular clamping rings in the through wires hole, clamping ring central authorities are fixed with the cable conductor, down the box be fixed with the medicament layer on the last box inner wall, medicament layer external fixation has the dry layer, it is fixed with the high pressure fire extinguishing material jar to go up the box top, the nozzle of high pressure fire extinguishing material jar inserts go up in the box inner chamber, the shutoff ware is installed through the screw thread to the nozzle department of high pressure fire extinguishing material jar, the shutoff ware includes the enclosing cover body, enclosing cover body central authorities integrated into one piece have with the high pressure fire extinguishing material jar nozzle inner chamber cooperation installation's core, the shaping has the annular groove on the enclosing cover body section, the inlay has the gunpowder ring in the recess, the gunpowder ring is connected with the lead wire.

Further, the clamping ring comprises a half ring body, the outer diameter of the half ring body is the same as the diameter of the threading hole, a baffle ring is formed on each of two sides of the half ring body, a cable hole is formed in the center of the half ring body, the diameter of the cable hole is larger than that of the cable wire, a clamping hoop is integrally formed on the outer side of the half ring body, and the diameter of the clamping hoop is smaller than that of the cable wire by 0.2-0.5mm.

Further, two limit posts are formed in the lower box body, two positioning inserting rods are formed in the upper box body, the end parts of the positioning inserting rods are inserted into the limit posts, and the two limit posts are located at positions, close to the threading holes, of the two ends of the lower box body respectively.

By adopting the technical scheme, the utility model has the beneficial effects that: by arranging the fire extinguishing device which is automatically started after the fire is started on the protecting device, the cable can be quickly started to extinguish the fire after the fire is started, so that the cable is prevented from being burnt out of the protecting device and the cable is prevented from being burnt out; through set up two spacing posts in lower box both make things convenient for the connection of last box and lower box fixed, can carry out spacingly to the cable tip again for the cable is bent and is fixed in lower box, avoids cable atress back junction not hard up, fracture.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a front cross-sectional view of the present utility model;

FIG. 4 is a top cross-sectional view of the present utility model;

FIG. 5 is a schematic view of the press ring of the present utility model;

Fig. 6 is a schematic diagram of the occluder of the present utility model.

The reference numerals are explained as follows:

1. A lower box body; 2. a fixing plate; 3. an upper case; 4. locking; 5. a threading hole; 6. a pressing ring; 61. a half-ring body; 62. a baffle ring; 63. a cable hole; 64. clamping hoops; 7. a cable; 8. a high pressure fire extinguishing material tank; 9. a stopper; 91. an outer cover; 92. plugging the core; 93. a powder ring; 94. a lead wire; 10. a limit column; 11. positioning the inserted link; 12. a medicament layer; 13. and (5) drying the layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in figures 1-6, the cable landfill protecting device comprises a lower box body 1, a fixing plate 2 is integrally formed at the edge of the bottom of the lower box body 1, fixing holes are formed in the fixing plate 2, an upper box body 3 is fixed above the lower box body 1 through a lock catch 4, the lower box body 1 and the upper box body 3 are both made of ABS plastic, the weight is light, the cost is low, the service life is long, a threading hole 5 is formed at the joint of the upper box body 3 and the lower box body 1, two semicircular clamping rings 6 are clamped in the threading hole 5, the clamping rings 6 are made of rubber, a cable 7 is fixed in the center of the clamping ring 6, the cable 7 and the clamping rings 6 are tightly matched and installed, the sealing performance of the joint can be improved, water is prevented from entering the box body, a medicament layer 12 is fixed on the inner walls of the lower box body 1 and the upper box body 3, the medicament layer 12 is a net bag, medicament for killing termites and mice is contained inside, a drying layer 13 is fixed outside the medicament layer 12, the drying layer 13 is used for guaranteeing the drying in the box body, a high-pressure fire-extinguishing material tank 8 is fixed above the upper box body 3, high-pressure fire-extinguishing medium is stored in the high-pressure fire-extinguishing material tank 8, the fire-extinguishing medium is any one of dry powder, carbon dioxide and clean gas, a nozzle of the high-pressure fire-extinguishing material tank 8 is inserted into the inner cavity of the upper box body 3, a plugging device 9 is arranged at the nozzle of the high-pressure fire-extinguishing material tank 8 through threads, the plugging device 9 is used for avoiding the ejection of the fire-extinguishing medium, the plugging device 9 comprises an outer cover body 91, a plugging core 92 which is matched with the inner cavity of the nozzle of the high-pressure fire-extinguishing material tank 8 is integrally formed in the center of the outer cover body 91, an annular groove is formed in the section of the outer cover body 91, a gunpowder ring 93 is embedded in the groove, the gunpowder ring 93 is connected with a lead 94, the lead 94 is positioned above the joint of the cable 7, when the joint of the two cables 7 fires due to high temperature, the flame ignites the lead wire 94, the lead wire 94 ignites the powder ring 93, the powder ring 93 generates high temperature after ignition so that the plugging core 92 is separated from the outer cover 91, and the high-pressure fire extinguishing medium of the high-pressure fire extinguishing material tank 8 blows out the plugging core 92 and then sprays the fire extinguishing material into the tank body to realize fire extinguishment.

In this embodiment, in order to ensure the sealing of the box body, the pressing ring 6 includes a half ring body 61, the outer diameter of the half ring body 61 is the same as the diameter of the threading hole 5, two sides of the half ring body 61 are respectively formed with a baffle ring 62, the center of the half ring body 61 is formed with a cable hole 63, the diameter of the cable hole 63 is larger than the diameter of the cable 7, the outer side of the half ring body 61 is integrally formed with a clamping hoop 64, the diameter of the clamping hoop 64 is 0.2-0.5mm smaller than the diameter of the cable 7, and after the fixing is completed, the clamping hoops 64 are clamped on the outer wall of the cable 7 to realize seamless contact, so as to avoid external water vapor from entering.

In this embodiment, the boss that is installed with last box 3 cooperation is formed on the up end of lower box 1, and boss department is fixed with the sealing washer, improves the sealed effect of last box 1 and lower box 3 junction.

In this embodiment, in order to avoid being broken by the atress of cable 7 junction back, the inside shaping of lower box 1 has two spacing posts 10, and the inside shaping of last box 3 has two location inserted bars 11, and location inserted bar 11 tip is pegged graft inside spacing post 10, and two spacing posts 10 are located the position that is close to through wires hole 5 at lower box 1 both ends respectively, and cable 7 is bent in spacing post 10 department, utilizes spacing post 10 and lower box 1 to share the tractive force, avoids receiving the too big fracture of junction atress after the tractive.

The working principle of the utility model is as follows: when the fire extinguishing device is used, two cables 7 to be connected are respectively placed into the lower box body 1 from two sides of the lower box body 1, then the two cables 7 are respectively wound around the rear end parts from the two limiting columns 10 and are connected together by using insulating adhesive tapes, then the pressing ring 6 is installed in the threading hole 5, the cables 7 are clamped into the cable holes 63, the upper box body 3 is covered above the lower box body 1, the positioning inserting rod 11 is kept to be inserted into the limiting columns 10, then the upper box body 3 and the lower box body 1 are fixed together by using the lock catch 4, when a connecting part of the two cables 7 is ignited and the lead 94 which is fished above the connecting part is ignited, the lead 94 can be provided with a gunpowder ring 93, after the gunpowder ring 93 is ignited, high temperature is generated so that the end cover of the outer cover body 91 is formed with the plugging core 92 is separated from the outer cover body 91, the plugging core 92 is ejected from the nozzle of the high-pressure fire extinguishing material tank 8 under the action of the internal pressure of the high-pressure fire extinguishing material tank 8, and then the extinguishing medium in the high-pressure extinguishing operation is ejected into the inner cavity between the lower box body 1 and the upper box body 3.

The components not described in detail herein are prior art.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a cable landfill protector, includes box (1) down, box (1) bottom edge integrated into one piece has fixed plate (2) down, box (3) are fixed with through hasp (4) in box (1) top down, go up box (3) with box (1) junction shaping down has through wires hole (5), its characterized in that: two semicircular pressing rings (6) are clamped in the threading holes (5), a cable (7) is fixed in the center of each pressing ring (6), a medicament layer (12) is fixed on the inner wall of each lower box body (1) and each upper box body (3), a drying layer (13) is fixed on the outer portion of each medicament layer (12), a high-pressure fire extinguishing material tank (8) is fixed above each upper box body (3), a nozzle of each high-pressure fire extinguishing material tank (8) is inserted into the inner cavity of each upper box body (3), the high-pressure fire-extinguishing material tank is characterized in that a plugging device (9) is arranged at the nozzle of the high-pressure fire-extinguishing material tank (8) through threads, the plugging device (9) comprises an outer cover body (91), a plugging core (92) matched with the inner cavity of the nozzle of the high-pressure fire-extinguishing material tank (8) is integrally formed in the center of the outer cover body (91), an annular groove is formed in the section of the outer cover body (91), a gunpowder ring (93) is inlaid in the groove, and the gunpowder ring (93) is connected with a lead (94).

2. A cable landfill protection device according to claim 1, wherein: the clamping ring comprises a half ring body (61), the outer diameter of the half ring body (61) is identical to the diameter of the threading hole (5), a baffle ring (62) is formed on each of two sides of the half ring body (61), a cable hole (63) is formed in the center of the half ring body (61), the diameter of the cable hole (63) is larger than that of a cable wire (7), a clamping hoop (64) is integrally formed on the outer side of the half ring body (61), and the diameter of the clamping hoop (64) is smaller than that of the cable wire (7) by 0.2-0.5mm.

3. A cable landfill protection device according to claim 1, wherein: two limit posts (10) are formed in the lower box body (1), two positioning inserting rods (11) are formed in the upper box body (3), the end parts of the positioning inserting rods (11) are inserted into the limit posts (10), and the two limit posts (10) are respectively located at positions, close to the threading holes (5), at the two ends of the lower box body (1).