CN116290228A - Ground bolt anti-freezing device for fire control - Google Patents

Abstract

The invention relates to the technical field of fire hydrants, in particular to an on-ground hydrant antifreezing device for fire control, which comprises a fire hydrant and a road surface, wherein a mounting frame is arranged on the road surface, a deceleration strip is arranged in the mounting frame in a sliding manner, and a coupling head is arranged in the mounting frame in a sliding manner; the beneficial effects of the invention are as follows: through setting up the outer box in the periphery of fire hydrant to set up the heating wire in the case wall of outer box, when the heating wire circular telegram, can heat the fire hydrant, place the fire hydrant and freeze, through setting up the deceleration strip slip, and set up coupling head and power supply head in the installing frame, make the switch and the deceleration strip of heating wire associated, have the driving on the road surface when pushing down the deceleration strip, coupling head and power supply head coupling, the heating wire circular telegram makes the heating wire break the circular telegram, the heat-retaining performance of make full use of water keeps warm the fire hydrant, not only freeze-proof effectual, and very big saving the energy, the practicality is strong.

Description

Ground bolt anti-freezing device for fire control

Technical Field

The invention relates to the technical field of fire hydrants, in particular to an overground hydrant antifreezing device for fire control.

Background

Fire hydrant, formally called fire hydrant, a fixed fire-fighting equipment, which is mainly used for controlling combustible materials, isolating combustion-supporting materials, eliminating ignition sources and separating indoor fire hydrant and outdoor fire hydrant; the fire protection system comprises: an outdoor fire hydrant system, an indoor fire hydrant system, a fire extinguisher system, an automatic spraying system, a water cannon system, a gas fire extinguishing system, a fire detecting system, a water mist system and the like; the fire hydrant is mainly used for a fire engine to take water from a municipal water supply pipe network or an outdoor fire water supply pipe network to extinguish fire, and can be directly connected with a water hose and a water gun to extinguish fire; therefore, the indoor and outdoor hydrant system is also one of important fire fighting facilities for extinguishing fire.

In winter, the temperature is reduced, the inside of the ground plug arranged outside is frozen, the fire-fighting work is affected, the ground plug is required to be subjected to heat preservation treatment, and the existing ground plug antifreezing device for fire fighting has the defects of poor antifreezing effect and weak practicability.

Therefore, there is a need for an anti-freeze apparatus for fire hydrant to solve the above-mentioned problems.

Disclosure of Invention

The invention provides a ground bolt antifreezing device for fire protection, which aims to solve the problems of poor antifreezing effect and weak practicability of the existing ground bolt antifreezing device for fire protection.

The ground bolt antifreezing device for the fire fighting comprises a fire hydrant and further comprises a road surface, wherein a mounting frame is arranged on the road surface, a deceleration strip is arranged in the mounting frame in a sliding manner, a coupling head is arranged in the mounting frame in a sliding manner, the coupling head is in driving connection with the deceleration strip, a power supply head is arranged in the mounting frame, the power supply head is electrically connected with an external power supply, and when the deceleration strip slides downwards, the coupling head is electrically connected with the power supply head; an outer box is fixedly arranged on the periphery of the fire hydrant, and an electric heating wire is arranged in the wall of the outer box and is electrically connected with the coupling head; through setting up the outer box in the periphery of fire hydrant to set up the heating wire in the case wall of outer box, when the heating wire circular telegram, can heat the fire hydrant, place the fire hydrant and freeze, through setting up the deceleration strip slip, and set up coupling head and power supply head in the installing frame, make the switch and the deceleration strip of heating wire associated, have the driving on the road surface when pushing down the deceleration strip, coupling head and power supply head coupling, the heating wire circular telegram makes the heating wire break the circular telegram, the heat-retaining performance of make full use of water keeps warm the fire hydrant, not only freeze-proof effectual, and very big saving the energy, the practicality is strong.

According to the ground bolt antifreezing device for fire protection, the upper surface of the installation frame is the through end, the upper surface of the installation frame is level with the road surface, the deceleration strip is slidably installed at the bottom of the installation frame through the second spring, the top of the deceleration strip extends out to the upper part of the road surface, the deceleration strip is formed by combining multiple sections, friction blocks are fixedly installed at the positions, close to the bottom, of the outer surface of each section of the deceleration strip, guide sliding grooves are formed in the inner surface of the wall of the installation frame, and the friction blocks slide in the guide sliding grooves; through setting up the second spring, can make the deceleration strip rebound after being pushed down to through changing the second spring of different elasticity, can control the required weight of deceleration strip of pushing down, with this coupling that can control coupling head and power supply head according to the traffic of the car of the various weights in section of establishing, can make full use of, prevent that the energy is extravagant too much, set up the direction spout and set up the friction disc on the deceleration strip in addition at the installing frame internal surface, can guarantee the vertical slip of deceleration strip.

According to the above-mentioned ground bolt antifreezing device for fire control, the lower surface of the deceleration strip is fixedly provided with the extension rod at a position close to the middle, and the bottom end of the extension rod is fixedly provided with the force application inclined block; the upper surface of the bottom wall of the mounting frame is close to the middle, an extrusion hole is formed in the position, close to the middle, of the upper surface of the bottom wall of the mounting frame, the extrusion hole is located under the force application inclined block, a force application inclined block matched with the force application inclined block is slidably mounted in the extrusion hole, the coupling head is embedded on the lower surface of the force application inclined block, the power supply head is embedded on the lower surface of the extrusion hole, a magnet is embedded on the outer side of the force application inclined block, an iron block matched with the magnet is embedded on the side edge of the extrusion hole, and when the magnet is in contact with the iron block, the coupling head is coupled with the power supply head; after the deceleration strip is pressed down by the travelling crane, the force application inclined block can extend into the extrusion hole to extrude the force application inclined block, so that the force application inclined block slides, the coupling head is further coupled with the power supply head, the heating wire is electrified, and the magnet and the iron block can be arranged to enable the coupling head to be better coupled with the power supply head.

According to the ground bolt antifreezing device for fire control, the hinge cavity is formed in the position, close to the outside, in the side wall of the mounting frame, and is communicated with the guide sliding groove through the connecting hole; the inside of the connecting hole is slidably provided with a friction plate, one side of the friction plate, which is close to the hinge cavity, is fixedly provided with an upper hinge lug and a lower hinge lug, the inside of the hinge cavity is rotatably provided with an upper hinge plate and a lower hinge plate through a hinge shaft, the positions, which are close to the bottom end, of the two sides of the upper hinge plate and the positions, which are close to the top end, of the two sides of the lower hinge plate are fixedly provided with mounting shafts, the bottom end of the upper hinge plate is hinged with the upper hinge lug through the mounting shafts, and the top end of the lower hinge plate is hinged with the lower hinge lug through the mounting shafts; when the bottom end of the lower hinge plate is propped outwards, the lower hinge plate can rotate around the hinge shaft, so that the friction plate is pushed inwards to be propped against the friction block, and the lifting speed of the deceleration strip is slowed down. When the top end of the upper hinge plate is pulled inward, the upper hinge plate rotates around the hinge shaft, and the friction plate is pulled outward.

According to the ground bolt antifreezing device for fire protection, the first perforation is formed in one side of the extrusion hole in a communicating manner, the other end of the first perforation is communicated with the hinge cavity, the supporting rod is fixedly arranged on one side of the stress inclined block, which is close to the magnet, and the other end of the supporting rod penetrates through the first perforation to extend into the position, which is close to the bottom end, of one side of the lower hinge plate, of the hinge cavity in a supporting manner; when the stressed inclined block is extruded and slid, the bottom end of the lower hinged plate is extruded through the supporting rod, and then part of friction plate is pushed into the guide chute to be rubbed with the friction block.

According to the ground bolt antifreezing device for fire protection, the extrusion cavity is formed above the guide chute, the side edge of the extrusion cavity is communicated with the hinge cavity through the second perforation, the second perforation is internally provided with the pull rod in a sliding mode, one end, close to the extrusion cavity, of the lower surface of the pull rod is fixedly provided with the horizontal inclined block, the horizontal inclined block slides in the extrusion cavity, the position, close to the top end, of the upper hinge plate is provided with the movable hole in a penetrating mode, the outer end of the pull rod stretches into the hinge cavity, penetrates through the movable hole and is fixedly provided with the stop block, and the diameter of the stop block is larger than the width of the movable hole; the bottom of the extrusion cavity is communicated with the top end of the guide chute through a vertical hole, a vertical oblique block matched with the horizontal oblique block is slidably arranged in the vertical hole, a limiting chute is formed in the side edge of the vertical hole, a limiting slider is fixedly arranged on the side edge of the vertical oblique block, and the limiting slider slides in the limiting chute; through the side slip at the friction disc sets up the friction plate to articulated lower hinged plate at the opposite side of friction plate, when the atress sloping block is extrudeed, can push up the lower hinged plate through supporting the ejector pin and then promote friction plate and friction disc friction, can slow down the rising speed of deceleration strip, improve coupling head and power supply head coupling time, make the heating wire have abundant time to heat, through setting up perpendicular sloping block in the top of direction spout, horizontal sloping block and pull rod, when friction plate and friction block contact, the pull rod can be outwards pulled by the upper hinged plate, and then press perpendicular sloping block to the direction spout in, can extrude perpendicular sloping block when the friction block returns to the top, and then pull the pull rod through horizontal sloping block, the top of hinged plate is gone up in the pull rod pulling makes the friction plate return, the bottom return of lower hinged plate is pushed against the ejector pin this moment, make coupling head and power supply head disconnection, and then make the heating wire stop.

According to the ground bolt antifreezing device for fire control, the water tank is fixedly arranged on the inner surface of the outer tank close to the bottom, the height of the water tank is smaller than that of the outer tank, and the water filling port is formed in the top wall of the water tank in a penetrating manner; the water tank is arranged on the inner surface of the outer tank, so that the electric heating wire can heat water in the water tank, and the fire hydrant is heated and prevented from freezing by utilizing the heat storage property of the water.

According to the above-mentioned ground bolt antifreezing device for fire control, the locking hole is formed in the position, close to the top, of the inner surface of the outer box, the box cover is inserted into the top of the outer box, the outer diameter of the box cover is equal to the inner diameter of the outer box, the spring cavity is formed in the outer surface of the box cover, and the locking block matched with the locking hole is slidably mounted in the spring cavity through the first spring; the locking holes are formed in the inner surface of the outer box, and the locking blocks matched with the locking holes are arranged on the outer surface of the box cover, so that the box cover and the outer box can be fixed.

According to the ground bolt antifreezing device for fire control, the upper surface of the box cover is provided with the inner groove, the inner groove is internally provided with the pull block, the side wall and the top wall of the box cover are internally provided with the rope penetrating holes, the spring cavity is communicated with the inner groove through the rope penetrating holes, the inside of the rope penetrating holes is provided with the pull ropes, and the two ends of the pull ropes are respectively connected with the inner ends of the locking blocks and the bottom ends of the pull blocks; through set up the pull block at the upper surface of case lid to make the pull block be connected with the locking piece through the stay cord, make only need pull the pull block can make the locking piece break away from the locking piece, be convenient for take off the case lid from the outer case, make it can not influence firefighter's emergency use.

According to the above-mentioned ground bolt antifreezing device for fire control, the grip is fixedly arranged on the upper surface of the box cover and is positioned right above the inner groove; the handle is arranged above the inner groove, so that the pulling block can be pulled conveniently when the handle is held by the hand.

The beneficial effects of the invention are as follows:

1. according to the invention, the outer box is arranged on the periphery of the fire hydrant, the electric heating wire is arranged in the box wall of the outer box, when the electric heating wire is electrified, the fire hydrant can be heated, the fire hydrant is placed for freezing, the deceleration strip is arranged in a sliding manner, the coupling head and the power supply head are arranged in the mounting frame, so that the switch of the electric heating wire is associated with the deceleration strip, when a travelling crane on a road surface presses the deceleration strip, the coupling head is coupled with the power supply head, the electric heating wire is electrified intermittently, the heat storage performance of water is fully utilized for heat preservation of the fire hydrant, the anti-freezing effect is good, the energy is greatly saved, and the practicability is strong.

2. According to the invention, the second springs are arranged, so that the deceleration strip can rebound after being pressed down, and the weight required by pressing down the deceleration strip can be controlled by replacing the second springs with different elasticity, so that the coupling of the coupling head and the power supply head can be controlled according to the traffic flow of vehicles with various weights on a set road section, the energy can be fully utilized, excessive waste of the energy is prevented, and in addition, the guide sliding chute is arranged on the inner surface of the mounting frame, and the friction block is arranged on the deceleration strip, so that the vertical sliding of the deceleration strip can be ensured.

3. According to the invention, the friction plate is arranged on the side edge of the friction block in a sliding manner, the lower hinge plate is hinged to the other side of the friction plate, when the stressed inclined block is extruded, the lower hinge plate is pushed by the supporting rod to push the friction plate to rub with the friction block, so that the rising speed of the speed reducing belt can be slowed down, the coupling time of the coupling head and the power supply head is improved, the electric heating wire is enabled to have sufficient time for heating, the vertical inclined block, the horizontal inclined block and the pull rod are arranged above the guide sliding groove, when the friction plate is contacted with the friction block, the pull rod is pulled outwards by the upper hinge plate, the vertical inclined block is further pressed into the guide sliding groove, when the friction block returns to the top, the vertical inclined block is extruded, the pull rod is pulled by the horizontal inclined block, the top end of the upper hinge plate is pulled by the pull rod to return the friction plate, and the bottom end of the lower hinge plate returns to extrude the supporting rod, so that the coupling head and the power supply head are disconnected, and the electric heating wire stops heating.

4. According to the invention, the locking hole is formed in the inner surface of the outer box, the locking block matched with the locking hole is arranged on the outer surface of the box cover, the box cover and the outer box can be fixed, and the pull block is arranged on the upper surface of the box cover and connected with the locking block through the pull rope, so that the locking block can be separated from the locking block only by pulling the pull block, the box cover can be conveniently taken down from the outer box, and emergency use of firefighters is not affected.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the outer case of the present invention;

FIG. 3 is a schematic cross-sectional view of the outer case of the present invention;

FIG. 4 is a schematic cross-sectional view of a cover of the present invention;

FIG. 5 is a schematic cross-sectional view of a mounting frame of the present invention;

FIG. 6 is an enlarged schematic view of the structure of FIG. 5A according to the present invention;

FIG. 7 is a schematic cross-sectional view of a mounting frame of the present invention;

FIG. 8 is an enlarged schematic view of the structure of FIG. 7B according to the present invention;

FIG. 9 is an enlarged schematic view of the structure of FIG. 7 at C in accordance with the present invention;

FIG. 10 is a schematic view of a friction plate according to the present invention;

FIG. 11 is a schematic view of the structure of the upper hinge plate of the present invention.

In the figure:

1. a fire hydrant; 2. road surface; 3. a mounting frame; 4. a deceleration strip; 5. a coupling head; 6. a power supply head; 7. an outer case; 8. heating wires; 9. a second spring; 10. a friction block; 11. a guide chute; 12. an extension rod; 13. a force application inclined block; 14. extruding the hole; 15. a stressed oblique block; 16. a magnet; 17. iron blocks; 18. a hinge cavity; 19. a connection hole; 20. a friction plate; 21. an upper hinge ear; 22. a lower hinge ear; 23. a hinge shaft; 24. an upper hinge plate; 25. a lower hinge plate; 26. a mounting shaft; 27. a first perforation; 28. a push rod; 29. an extrusion chamber; 30. a second perforation; 31. a pull rod; 32. a horizontal sloping block; 33. a movable hole; 34. a stop block; 35. a vertical hole; 36. a vertical sloping block; 37. limiting the chute; 38. a limit slider; 39. a water tank; 40. a water filling port; 41. a locking hole; 42. a case cover; 43. a spring cavity; 44. a first spring; 45. a locking block; 46. an inner groove; 47. pulling blocks; 48. threading the rope hole; 49. a pull rope; 50. a handle.

Description of the embodiments

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.

As shown in fig. 1-3 and fig. 7, the embodiment of the invention discloses an anti-freezing device for a fire hydrant, which comprises a fire hydrant 1, a road surface 2, a mounting frame 3 arranged on the road surface 2, a deceleration strip 4 arranged in the mounting frame 3 in a sliding manner, a coupling head 5 arranged in the mounting frame 3 in a sliding manner, the coupling head 5 connected with the deceleration strip 4 in a driving manner, a power supply head 6 arranged in the mounting frame 3, and an external power supply electrically connected with the power supply head 6, wherein when the deceleration strip 4 slides down, the coupling head 5 is electrically connected with the power supply head 6; an outer box 7 is fixedly arranged on the periphery of the fire hydrant 1, an electric heating wire 8 is arranged in the wall of the outer box 7, and the electric heating wire 8 is electrically connected with the coupling head 5; through setting up outer box 7 in the periphery of fire hydrant 1 to set up heating wire 8 in the wall of outer box 7, when heating wire 8 circular telegram, can heat fire hydrant 1, place fire hydrant 1 and freeze, through setting up deceleration strip 4 slip, and set up coupling head 5 and power supply head 6 in installing frame 3, make the switch of heating wire 8 associated with deceleration strip 4, have driving on road surface 2 when pushing down deceleration strip 4, coupling head 5 and power supply head 6 couple, heating wire 8 circular telegram makes heating wire 8 break the circular telegram, the heat-retaining performance of make full use of water keeps warm fire hydrant 1, not only antifreezing effect is good, and very big saving the energy, the practicality is strong.

As shown in fig. 7, the upper surface of the installation frame 3 is a through end, the upper surface of the installation frame 3 is flush with the road surface 2, the speed reducing belt 4 is slidably installed at the bottom of the installation frame 3 through a second spring 9, the top of the speed reducing belt 4 extends above the road surface 2, the speed reducing belt 4 is formed by combining multiple sections, friction blocks 10 are fixedly installed at positions, close to the bottom, of the outer surface of each section of the speed reducing belt 4, guide sliding grooves 11 are formed in the inner surface of the frame wall of the installation frame 3, and the friction blocks 10 slide in the guide sliding grooves 11; through setting up second spring 9, can make deceleration strip 4 rebound after being pushed down to through changing different elastic second spring 9, can control the required weight of deceleration strip 4 of pushing down, with this can control the coupling of coupling head 5 and power supply head 6 according to the traffic of the car of the various weights of section of establishing, can make full use of, can prevent that the energy is extravagant too much, set up guide chute 11 and set up friction disc 10 on deceleration strip 4 in addition at the mounting frame 3 internal surface, can guarantee the vertical slip of deceleration strip 4.

As shown in fig. 7-8, an extension rod 12 is fixedly arranged on the lower surface of the deceleration strip 4 near the middle, and a force application inclined block 13 is fixedly arranged at the bottom end of the extension rod 12; the upper surface of the bottom wall of the mounting frame 3 is provided with an extrusion hole 14 near the middle, the extrusion hole 14 is positioned under the force application inclined block 13, a force application inclined block 15 matched with the force application inclined block 13 is slidably arranged in the extrusion hole 14, the coupling head 5 is embedded on the lower surface of the force application inclined block 15, the power supply head 6 is embedded on the lower surface of the extrusion hole 14, the outer side of the force application inclined block 15 is embedded with a magnet 16, the side edge of the extrusion hole 14 is embedded with an iron block 17 matched with the magnet 16, and when the magnet 16 is contacted with the iron block 17, the coupling head 5 is coupled with the power supply head 6; after the deceleration strip 4 is pressed down by a crane, the force application inclined block 13 can extend into the extrusion hole 14 to extrude the force application inclined block 15, so that the force application inclined block 15 slides, the coupling head 5 is further coupled with the power supply head 6, the heating wire 8 is electrified, and the magnet 16 and the iron block 17 can enable the coupling head 5 to be well coupled with the power supply head 6.

As shown in fig. 7 and 10, a hinge cavity 18 is formed in the side wall of the mounting frame 3 at a position close to the outside, and the hinge cavity 18 is communicated with the guide chute 11 through a connecting hole 19; a friction plate 20 is slidably arranged in the connecting hole 19, an upper hinge lug 21 and a lower hinge lug 22 are fixedly arranged on one side, close to the hinge cavity 18, of the friction plate 20, an upper hinge plate 24 and a lower hinge plate 25 are rotatably arranged in the hinge cavity 18 through a hinge shaft 23, a mounting shaft 26 is fixedly arranged at the position, close to the bottom end, of both sides of the upper hinge plate 24 and the position, close to the top end, of both sides of the lower hinge plate 25, of the upper hinge plate 24, the bottom end of the upper hinge plate 24 is hinged with the upper hinge lug 21 through the mounting shaft 26, and the top end of the lower hinge plate 25 is hinged with the lower hinge lug 22 through the mounting shaft 26; when the bottom end of the lower hinge plate 25 is pushed outward, the lower hinge plate 25 rotates about the hinge shaft 23, thereby pushing the friction plate 20 inward to abut against the friction block 10, and slowing down the speed of the speed bump 4. When the tip end of the upper hinge plate 24 is pulled inward, the upper hinge plate 24 rotates about the hinge shaft 23, thereby pulling the friction plate 20 outward.

As shown in fig. 7-8, a first perforation 27 is formed on one side of the extrusion hole 14 in a communicating manner, the other end of the first perforation 27 is communicated with the hinge cavity 18, a propping rod 28 is fixedly arranged on one side of the stress inclined block 15 close to the magnet 16, and the other end of the propping rod 28 penetrates through the first perforation 27 to extend into the hinge cavity 18 to prop against the position of one side of the lower hinge plate 25 close to the bottom end; when the stressed inclined block 15 is extruded and slid, the bottom end of the lower hinge plate 25 is extruded by the push rod 28, so that part of the friction plate 20 is pushed into the guide chute 11 to be rubbed with the friction block 10.

As shown in fig. 7 and 9, an extrusion cavity 29 is formed above the guide chute 11, the side edge of the extrusion cavity 29 is communicated with the hinge cavity 18 through a second perforation 30, a pull rod 31 is slidably mounted in the second perforation 30, a horizontal inclined block 32 is fixedly mounted at one end of the lower surface of the pull rod 31, which is close to the extrusion cavity 29, the horizontal inclined block 32 slides in the extrusion cavity 29, a movable hole 33 is formed in the upper hinge plate 24, which is close to the top end, in a penetrating manner, the outer end of the pull rod 31 extends into the hinge cavity 18, penetrates through the movable hole 33 and is fixedly provided with a stop block 34, and the diameter of the stop block 34 is larger than the width of the movable hole 33; the bottom of the extrusion cavity 29 is communicated with the top end of the guide chute 11 through a vertical hole 35, a vertical oblique block 36 matched with the horizontal oblique block 32 is slidably arranged in the vertical hole 35, a limiting chute 37 is formed on the side edge of the vertical hole 35, a limiting slide block 38 is fixedly arranged on the side edge of the vertical oblique block 36, and the limiting slide block 38 slides in the limiting chute 37; the friction plate 20 is arranged on the side edge of the friction block 10 in a sliding manner, the lower hinge plate 25 is hinged to the other side of the friction plate 20, when the stressed inclined block 15 is extruded, the lower hinge plate 25 can be pushed against the push rod 28 to push the friction plate 20 and the friction block 10 to rub, the rising speed of the speed reducing belt 4 can be slowed down, the coupling time of the coupling head 5 and the power supply head 6 is improved, the heating wire 8 is fully heated, the vertical inclined block 36, the horizontal inclined block 32 and the pull rod 31 are arranged above the guide chute 11, when the friction plate 20 is contacted with the friction block 10, the pull rod 31 is pulled outwards by the upper hinge plate 24, the vertical inclined block 36 is pressed into the guide chute 11, when the friction block 10 returns to the top, the pull rod 31 is pulled by the horizontal inclined block 32, the top end of the upper hinge plate 24 is pulled by the pull rod 31 to return the friction plate 20, the bottom end of the lower hinge plate 25 is extruded against the push rod 28, the coupling head 5 and the power supply head 6 are disconnected, and the heating wire 8 is stopped.

As shown in fig. 2-3, a water tank 39 is fixedly arranged on the inner surface of the outer tank 7 near the bottom, the height of the water tank 39 is smaller than that of the outer tank 7, and a water filling port 40 is arranged on the top wall of the water tank 39 in a penetrating manner; by providing the water tank 39 on the inner surface of the outer tank 7, the heating wire 8 can heat the water in the water tank 39, and the hydrant 1 can be heated and prevented from freezing by utilizing the heat storage property of the water.

As shown in fig. 2-4, a locking hole 41 is formed in the position, close to the top, of the inner surface of the outer box 7, a box cover 42 is inserted into the top of the outer box 7, the outer diameter of the box cover 42 is equal to the inner diameter of the outer box 7, a spring cavity 43 is formed in the outer surface of the box cover 42, and a locking block 45 matched with the locking hole 41 is slidably mounted in the spring cavity 43 through a first spring 44; the cover 42 and the outer case 7 can be fixed by providing the locking hole 41 on the inner surface of the outer case 7 and providing the locking block 45 matching the locking hole 41 on the outer surface of the cover 42.

As shown in fig. 2-4, the upper surface of the case cover 42 is provided with an inner groove 46, a pull block 47 is arranged in the inner groove 46, the side wall and the top wall of the case cover 42 are provided with rope penetrating holes 48, the spring cavity 43 is communicated with the inner groove 46 through the rope penetrating holes 48, a pull rope 49 is arranged in the rope penetrating holes 48, and two ends of the pull rope 49 are respectively connected with the inner end of the locking block 45 and the bottom end of the pull block 47; through set up pull block 47 at the upper surface of case lid 42 to make pull block 47 be connected with locking piece 45 through stay cord 49, make only need pull block 47 can make locking piece 45 break away from locking hole 41, be convenient for take off case lid 42 from outer case 7, make it can not influence firefighter's emergency use.

As shown in fig. 1 and 4, the upper surface of the case cover 42 is fixedly provided with a grip 50, and the grip 50 is positioned right above the inner groove 46; the handle 50 is arranged above the inner groove 46, and the pulling block 47 is convenient to pull when the handle 50 is held.

It should be noted that, in the description of the present invention, terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.

The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus/means that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus/means.

Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will fall within the scope of the present invention.

Claims (10)

1. The utility model provides a fire hydrant anti-freezing device on fire control, includes fire hydrant (1), its characterized in that still includes road surface (2), be provided with mounting frame (3) on road surface (2), the inside slip of mounting frame (3) is provided with deceleration strip (4), the inside slip of mounting frame (3) is provided with coupling head (5), coupling head (5) with deceleration strip (4) drive connection, the inside of mounting frame (3) is provided with power supply head (6), power supply head (6) and external power source electric connection, when deceleration strip (4) gliding, coupling head (5) with power supply head (6) electric connection;

the fire hydrant is characterized in that an outer box (7) is fixedly arranged on the periphery of the fire hydrant (1), an electric heating wire (8) is arranged in the wall of the outer box (7), and the electric heating wire (8) is electrically connected with the coupling head (5).

2. The ground bolt antifreezing device for fire protection according to claim 1, wherein the upper surface of the installation frame (3) is a through end, the upper surface of the installation frame (3) is flush with the road surface (2), the deceleration strip (4) is slidably installed at the bottom of the installation frame (3) through a second spring (9), the top of the deceleration strip (4) extends to the top of the road surface (2), the deceleration strip (4) is formed by combining multiple sections, friction blocks (10) are fixedly installed at positions, close to the bottom, of the outer surface of each section of the deceleration strip (4), guide sliding grooves (11) are formed in the inner surface of the frame wall of the installation frame (3), and the friction blocks (10) slide in the guide sliding grooves (11).

3. The ground hydrant antifreezing device for fire protection according to claim 2, wherein an extension rod (12) is fixedly arranged on the lower surface of the deceleration strip (4) near the middle, and a force application inclined block (13) is fixedly arranged at the bottom end of the extension rod (12);

the mounting frame is characterized in that an extrusion hole (14) is formed in the position, close to the middle, of the upper surface of the bottom wall of the mounting frame (3), the extrusion hole (14) is located under the force application inclined block (13), a force application inclined block (15) matched with the force application inclined block (13) is slidably mounted in the extrusion hole (14), the coupling head (5) is embedded on the lower surface of the force application inclined block (15), the power supply head (6) is embedded on the lower surface of the extrusion hole (14), a magnet (16) is embedded on the outer side of the force application inclined block (15), an iron block (17) matched with the magnet (16) is embedded on the side edge of the extrusion hole (14), and when the magnet (16) is in contact with the iron block (17), the coupling head (5) is coupled with the power supply head (6).

4. A fire hydrant antifreezing device according to claim 3, characterized in that a hinge cavity (18) is provided in the side wall of the mounting frame (3) near the outside, the hinge cavity (18) is communicated with the guide chute (11) through a connecting hole (19);

the inside slidable mounting of connecting hole (19) has friction plate (20), friction plate (20) are close to one side fixed mounting of articulated chamber (18) has upper hinge lug (21) and lower hinge lug (22), the inside of articulated chamber (18) is through articulated shaft (23) rotation install upper hinge plate (24) and lower hinge plate (25), the both sides that are close to the bottom of upper hinge plate (24) with the both sides that are close to the top of lower hinge plate (25) are all fixed mounting have installation axle (26), the bottom of upper hinge plate (24) is through installation axle (26) with upper hinge lug (21) articulates, the top of lower hinge plate (25) is through installation axle (26) with lower hinge lug (22) articulates.

5. The ground bolt antifreezing device for fire protection according to claim 4, wherein a first perforation (27) is formed on one side of the extrusion hole (14) in a communicating manner, the other end of the first perforation (27) is communicated with the hinge cavity (18), an ejector rod (28) is fixedly arranged on one side of the stress inclined block (15) close to the magnet (16), and the other end of the ejector rod (28) penetrates through the first perforation (27) to extend into the hinge cavity (18) to be abutted against a position, close to the bottom end, of one side of the lower hinge plate (25).

6. The ground bolt antifreezing device for fire protection according to claim 5, wherein an extrusion cavity (29) is formed above the guide chute (11), the side edge of the extrusion cavity (29) is communicated with the hinge cavity (18) through a second through hole (30), a pull rod (31) is slidably installed in the second through hole (30), a horizontal inclined block (32) is fixedly installed at one end, close to the extrusion cavity (29), of the lower surface of the pull rod (31), the horizontal inclined block (32) slides in the extrusion cavity (29), a movable hole (33) is formed in the upper hinge plate (24) at a position close to the top end in a penetrating manner, the outer end of the pull rod (31) stretches into the hinge cavity (18) and penetrates through the movable hole (33) and is fixedly provided with a stop block (34), and the diameter of the stop block (34) is larger than the width of the movable hole (33);

the bottom of extrusion chamber (29) through perpendicular hole (35) with the top of direction spout (11) is linked together, the inside slidable mounting of perpendicular hole (35) has the perpendicular sloping block (36) of matching horizontal sloping block (32), restriction spout (37) have been seted up to the side of perpendicular hole (35), the side fixed mounting of perpendicular sloping block (36) has restriction slider (38), restriction slider (38) slide in restriction spout (37).

7. The ground hydrant antifreezing device for fire protection according to claim 1, wherein a water tank (39) is fixedly installed on the inner surface of the outer tank (7) near the bottom, the height of the water tank (39) is smaller than that of the outer tank (7), and a water filling port (40) is arranged on the top wall of the water tank (39) in a penetrating manner.

8. The ground bolt antifreezing device for fire protection according to claim 1, characterized in that a locking hole (41) is formed in a position, close to the top, of the inner surface of the outer box (7), a box cover (42) is inserted into the top of the outer box (7), the outer diameter of the box cover (42) is equal to the inner diameter of the outer box (7), a spring cavity (43) is formed in the outer surface of the box cover (42), and a locking block (45) matched with the locking hole (41) is slidably mounted in the spring cavity (43) through a first spring (44).

9. The ground bolt antifreezing device for fire protection according to claim 8, wherein an inner groove (46) is formed in the upper surface of the box cover (42), a pull block (47) is arranged in the inner groove (46), a rope penetrating hole (48) is formed in the side wall and the top wall of the box cover (42), the spring cavity (43) is communicated with the inner groove (46) through the rope penetrating hole (48), a pull rope (49) is arranged in the rope penetrating hole (48), and two ends of the pull rope (49) are respectively connected with the inner end of the locking block (45) and the bottom end of the pull block (47).

10. The fire hydrant antifreeze as claimed in claim 9, wherein a handle (50) is fixedly mounted on the upper surface of said cover (42), said handle (50) being located directly above said inner recess (46).

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