Mine safety escape device

By designing a locking block and ratchet pawl structure for the mine safety escape device, the problem of inconvenient one-handed operation in emergency situations with traditional devices has been solved, enabling quick opening and easy carrying, and ensuring the safe escape of miners.

CN224107313UActive Publication Date: 2026-04-10TONGREN WANSHAN DISTRICT EMERGENCY MANAGEMENT BUREAU
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TONGREN WANSHAN DISTRICT EMERGENCY MANAGEMENT BUREAU
Filing Date
2025-06-04
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Traditional mine safety escape devices are inconvenient to operate with one hand in emergency situations, which affects their rapid use.

Method used

A mine safety escape device was designed. By squeezing the push block with the thumb and forefinger, the locking block is retracted into the outer shell, enabling the shell and top cover to be opened quickly. The device can be operated with one hand and is easy to carry through the webbing and ratchet pawl structure.

Benefits of technology

It enables quick one-handed opening of the escape device in emergency situations, improving portability and fit, ensuring that miners can quickly put on the mask and escape from danger zones in emergencies.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of escape devices, and discloses a mine safety escape device which comprises a shell and a top cover, the front side of the top cover is fixedly connected with a connecting base, the top of the connecting base is fixedly connected with a round rod, the periphery of the round rod is slidably connected with a transverse rod, the left side and the right side of the transverse rod are fixedly connected with movable rods, and the movable rods are fixedly connected with a sliding block. The movable rod is connected to the middle of the connecting base in a sliding mode, and an elastic assembly is installed on the periphery of the round rod. And the outer side of the shell is fixedly connected with a shell, the middle of the shell is fixedly connected with a sliding rod, the periphery of the sliding rod is slidably connected with a movable plate, and the periphery of the sliding rod is sleeved with a second compression spring. According to the escape device, under the emergency situation, the pushing block is squeezed through the thumb and the index finger to drive the clamping block to be contained in the outer shell, the movable rod is not clamped any more, the shell and the top cover can be rapidly opened, and then the escape device can be rapidly opened with one hand under the emergency situation, and the mask is taken out for wearing.
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Description

TECHNICAL FIELD

[0001] The utility model relates to escape device technical field especially relates to a mine safety escape device. BACKGROUND

[0002] The mine safety escape device is an important safety facility for ensuring that the mine operating personnel can quickly and safely escape from the dangerous area when an accident occurs, and avoiding personnel casualties. The mine operating environment is complex and has many potential risks, such as toxic gas leakage, fire, gas explosion, etc. Therefore, ensuring the life safety of miners is one of the primary tasks of the mine enterprise.

[0003] The traditional mine safety escape device usually adopts a high-strength compressed oxygen cylinder. The compressed oxygen in the oxygen cylinder can usually meet the oxygen demand of the wearer after the accident, and directly supplies oxygen through a breathing mask or a mask form, which provides an important guarantee for the life safety of the miners, and can effectively reduce the casualty rate after the accident and improve the effect of emergency rescue in the accident. However, in the actual use process, the oxygen cylinder and the mask are usually placed in a safety box. In the event of an emergency, the miner needs to remove the two end hanging buckles with both hands to open the safety box and wear the mask. When holding a lighting device or an escape device, it is inconvenient to operate with one hand, which may affect the quick use. Therefore, a mine safety escape device is proposed to solve the above problems. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a mine safety escape device, which aims at improving the problem that the escape device in the prior art is not convenient for one-handed operation.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A mine safety escape device, comprising a shell and a top cover, the front side of the top cover is fixedly connected with a connecting seat, the top of the connecting seat is fixedly connected with a round rod, the outer periphery of the round rod is slidably connected with a horizontal rod, the left and right sides of the horizontal rod are fixedly connected with movable rods, the movable rods are slidably connected in the middle of the connecting seat, and the outer periphery of the round rod is provided with an elastic assembly; the outer side of the shell is fixedly connected with an outer shell, the middle of the outer shell is fixedly connected with a sliding rod, the outer periphery of the sliding rod is slidably connected with a movable plate, the outer periphery of the sliding rod is provided with a compression spring two, the outer side of the movable plate is fixedly connected with a clamping block, the clamping block is clamped in the middle of the movable rod, and the bottom of the movable plate is fixedly connected with a push block;

[0007] The elastic assembly comprises a compression spring one, the compression spring one is sleeved on the outer periphery of the round rod, and the end of the round rod away from the connecting seat is fixedly connected with a blocking block;

[0008] As a further description of the above technical scheme:

[0009] The left and right sides of the shell are respectively fixedly connected with a connecting sleeve one and a connecting sleeve two, the middle parts of the connecting sleeve one and the connecting sleeve two are respectively rotationally connected with a rotating rod one and a rotating rod two, the outer circumferences of the rotating rod one and the rotating rod two are all fixedly connected with winding rollers, the outer circumference of one of the winding rollers is sleeved with a webbing, the other end of the webbing is fixedly connected in the middle part of the other winding roller, the outer circumference of the rotating rod two is fixedly connected with a knob, the outer circumference of the rotating rod two is fixedly connected with a ratchet wheel, and the middle part of the connecting sleeve two is provided with a clamping assembly;

[0010] As a further description of the above technical scheme:

[0011] The clamping assembly comprises a connecting rod, the connecting rod is fixedly connected to the inner bottom of the connecting sleeve two, the outer circumference of the connecting rod is rotationally connected with a pawl, the inner wall of the connecting sleeve two is provided with a spring sheet, the spring sheet is in contact with the pawl, the pawl is in contact with the ratchet wheel, the middle part of the pawl is fixedly connected with a push rod, and the other end of the push rod penetrates through and slides the bottom of the connecting sleeve two.

[0012] As a further description of the above technical scheme:

[0013] The bottom of the top cover is fixedly connected with a limiting block, the top of the shell is provided with a limiting groove, and the limiting block is slidingly connected to the middle part of the limiting groove.

[0014] As a further description of the above technical scheme:

[0015] The middle part of the movable rod is provided with a clamping groove, and the clamping block is slidingly connected to the middle part of the clamping groove.

[0016] As a further description of the above technical scheme:

[0017] The edges of the movable rod and the clamping block are all provided with arc edges.

[0018] As a further description of the above technical scheme:

[0019] The bottom of the connecting sleeve two is provided with a movable groove, and the push rod is slidingly connected to the middle part of the movable groove.

[0020] As a further description of the above technical scheme:

[0021] The middle parts of the connecting sleeve one and the connecting sleeve two are all provided with through grooves, and the webbing is slidingly connected to the middle parts of the through grooves.

[0022] The utility model has the advantages of the following beneficial effects:

[0023] 1. In the utility model, in the sudden situation, the push block is driven by the thumb and the index finger to make the clamping block enter the shell, so that the movable rod is no longer clamped, so that the shell and the top cover can be quickly opened, and then the escape device can be quickly opened with one hand in the sudden situation, and the mask is taken out and worn.

[0024] 2. In the utility model, the escape device can be worn around the waist of the miner through the braid, and the braid can be wound through the rotation of the knob, and the braid can be locked under the action of the ratchet wheel and the pawl, so that the braid is loosened due to the shaking of the device when the miner moves, and the carrying convenience is improved. DRAWINGS

[0025] Figure 1 It is a three-dimensional schematic view of a mine safety escape device proposed in the utility model;

[0026] Figure 2 It is a structure schematic view of a braid of a mine safety escape device proposed in the utility model;

[0027] Figure 3 It is a structure schematic view of a movable rod of a mine safety escape device proposed in the utility model;

[0028] Figure 4 It is a structure schematic view of a limiting block of a mine safety escape device proposed in the utility model;

[0029] Figure 5 It is a structure schematic view of a winding roller of a mine safety escape device proposed in the utility model;

[0030] Figure 6 It is a structure schematic view of a ratchet wheel of a mine safety escape device proposed in the utility model.

[0031] Legend:

[0032] 1, shell; 2, top cover; 3, movable rod; 4, round rod; 5, connecting seat; 6, shell; 7, cross rod; 8, connecting sleeve one; 9, connecting sleeve two; 10, braid; 11, knob; 12, through groove; 13, compression spring one; 14, clamping block; 15, sliding rod; 16, compression spring two; 17, push block; 18, movable plate; 19, blocking block; 20, limiting block; 21, limiting groove; 22, clamping groove; 23, rotating rod one; 24, winding roller; 25, rotating rod two; 26, ratchet wheel; 27, movable groove; 28, spring sheet; 29, push rod; 30, connecting rod; 31, pawl. DETAILED DESCRIPTION

[0033] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the present application.

[0034] With reference to Figure 1 , Figure 3 and Figure 4 , the present application provides an embodiment: a mine safety escape device, including shell 1 and top cover 2, the front side of top cover 2 is fixedly connected with connecting seat 5, the top of connecting seat 5 is fixedly connected with round bar 4, the outer periphery of round bar 4 is slidably connected with cross bar 7, the left and right sides of cross bar 7 are fixedly connected with movable rod 3, movable rod 3 is slidably connected in the middle of connecting seat 5, and elastic assembly is installed on the outer periphery of round bar 4;The outer side of shell 1 is fixedly connected with shell 6, the middle of shell 6 is fixedly connected with sliding rod 15, the outer periphery of sliding rod 15 is slidably connected with movable plate 18, the outer periphery of sliding rod 15 is sleeved with compression spring two 16, the outer side of movable plate 18 is fixedly connected with clamping block 14, clamping block 14 is clamped in the middle of movable rod 3, the bottom of movable plate 18 is fixedly connected with push block 17, and elastic assembly includes compression spring one 13, the outer periphery of round bar 4 is sleeved with compression spring one 13, one end of round bar 4 away from connecting seat 5 is fixedly connected with blocking block 19, the middle of movable rod 3 is provided with clamping groove 22, and clamping block 14 is slidably connected in the middle of clamping groove 22.In the event of an emergency, the thumb and index finger are squeezed to drive push block 17 to drive movable plate 18 to slide on the outer periphery of sliding rod 15, so as to drive clamping block 14 to be received in the middle of shell 6, so that movable rod 3 is no longer clamped, so that compression spring one 13 loses pressure, push block 7 is driven to slide on the outer periphery of round bar 4, so as to drive movable rod 3 to slide upwards, so that the shell 1 and the top cover 2 can be quickly separated by one-handed operation and the mask can be taken out and worn, thereby improving the practicability of the device.

[0035] With reference to Figure 4 , the bottom of top cover 2 is fixedly connected with limiting block 20, and the top of shell 1 is provided with limiting groove 21, and limiting block 20 is slidably connected in the middle of limiting groove 21.The sealing between shell 1 and top cover 2 can be improved by the action of limiting block 20 and limiting groove 21, so as to avoid the pollution of the mask when placed, and the stability of shell 1 and top cover 2 when fixed is improved.

[0036] With reference to Figure 1 and Figure 3The edge of the movable rod 3 and the edge of the clamping block 14 are provided with arc edges. After the top cover 2 is inserted into the shell 1, the movable rod 3 is pushed downward, so that the arc edges of the movable rod 3 and the arc edges of the clamping block 14 are pressed against each other, so as to press the clamping block 14 against the middle part of the shell 6 and press the second compression spring 16 through the movable plate 18, and when the clamping groove 22 slides to the position of the clamping block 14, the second compression spring 16 pushes the clamping block 14 to insert the clamping block 14 into the clamping groove 22 to clamp the movable rod 3, thereby improving the convenience of installing the shell 1 and the top cover 2.

[0037] With reference to Figure 2 , Figure 5 and Figure 6 The left and right sides of the shell 1 are respectively fixedly connected with a connecting sleeve one 8 and a connecting sleeve two 9, the middle parts of the connecting sleeve one 8 and the connecting sleeve two 9 are respectively rotationally connected with a rotating rod one 23 and a rotating rod two 25, the outer peripheries of the rotating rod one 23 and the rotating rod two 25 are fixedly connected with winding rollers 24, the outer periphery of one of the winding rollers 24 is sleeved with a woven tape 10, the other end of the woven tape 10 is fixedly connected to the middle part of the other winding roller 24, the outer periphery of the rotating rod two 25 is fixedly connected with a knob 11, the outer periphery of the rotating rod two 25 is fixedly connected with a ratchet wheel 26, the middle part of the connecting sleeve two 9 is provided with a clamping assembly, the clamping assembly comprises a connecting rod 30, the connecting rod 30 is fixedly connected to the inner bottom of the connecting sleeve two 9, the outer periphery of the connecting rod 30 is rotationally connected with a pawl 31, the inner wall of the connecting sleeve two 9 is provided with a spring sheet 28, the spring sheet 28 is in contact with the pawl 31, the pawl 31 is in contact with the ratchet wheel 26, the middle part of the pawl 31 is fixedly connected with a push rod 29, the other end of the push rod 29 penetrates through and is slidingly connected to the bottom of the connecting sleeve two 9, the bottom of the connecting sleeve two 9 is provided with a movable slot 27, the push rod 29 is slidingly connected to the middle part of the movable slot 27, the middle parts of the connecting sleeve one 8 and the connecting sleeve two 9 are provided with through grooves 12, the woven tape 10 is slidingly connected to the middle parts of the through grooves 12. The woven tape 10 is sleeved on the waist, so that the escape device can be hung on the waist of the miner, the knob 11 is rotated to drive the rotating rod two 25 to rotate, so that the winding roller 24 winds the woven tape 10, and the rotating rod two 25 drives the ratchet wheel 26 to rotate, because the teeth of the ratchet wheel 26 drive the pawl 31, and the pawl 31 is tightly attached to the ratchet wheel 26 under the action of the spring sheet 28, so as to avoid the reverse rotation of the ratchet wheel 26, so as to improve the tightness of the woven tape 10, thereby avoiding the woven tape 10 from being loosened due to the shaking of the device when the miner moves, and improving the carrying convenience, and the connecting rod 30 is slidingly connected in the middle part of the movable slot 27, so that the pawl 31 is separated from the ratchet wheel 26, so as to unlock the ratchet wheel 26, so that the woven tape 10 can be loosened, and the device can be taken out.

[0038] Working principle: in the emergency, through extruding push block 17 drive card block 14 into the shell 6, make the movable rod 3 no longer be clamped, and compression spring 13 will drive push cross rod 7 drive movable rod 3 pop up, make the shell 1 and top cover 2 unlock, so that the shell 1 and top cover 2 can be quickly opened, in turn facilitate in the emergency can one hand quickly open escape device, and take out the mask and wear.

[0039] By the waist of the braid 10, make the escape device can hang in the waist of the miner, and rotate knob 11 can be rolled up to braid 10, in order to enhance the tightness of wearing escape device, and under the action of ratchet 26 and pawl 31 can be locked braid 10, in turn avoid the device shake when the miner moves and braid 10 loose, improve the carrying convenience.

[0040] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the person skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A mine safety escape device, comprising a shell (1) and a top cover (2), characterized in that: A connecting seat (5) is fixedly connected to the front side of the top cover (2). A round rod (4) is fixedly connected to the top of the connecting seat (5). A cross rod (7) is slidably connected to the outer periphery of the round rod (4). Movable rods (3) are fixedly connected to both the left and right sides of the cross rod (7). The movable rods (3) are slidably connected to the middle of the connecting seat (5). An elastic component is installed on the outer periphery of the round rod (4). An outer shell (6) is fixedly connected to the outer side of the shell (1). A sliding rod (15) is fixedly connected to the middle of the outer shell (6). A movable plate (18) is slidably connected to the outer periphery of the sliding rod (15). A compression spring (16) is sleeved on the outer periphery of the sliding rod (15). A locking block (14) is fixedly connected to the outer side of the movable plate (18). The locking block (14) is locked into the middle of the movable rod (3). A push block (17) is fixedly connected to the bottom of the movable plate (18). The elastic component includes a compression spring (13), which is sleeved on the outer periphery of the round rod (4), and a stop block (19) is fixedly connected to one end of the round rod (4) away from the connecting seat (5).

2. The mine safety escape device according to claim 1, characterized in that: Connecting sleeve one (8) and connecting sleeve two (9) are fixedly connected to the left and right sides of the housing (1), respectively. Rotating rod one (23) and rotating rod two (25) are rotatably connected to the middle parts of the connecting sleeve one (8) and the connecting sleeve two (9), respectively. A take-up roller (24) is fixedly connected to the outer periphery of the rotating rod one (23) and the rotating rod two (25). A webbing (10) is sleeved on the outer periphery of one of the take-up rollers (24). The other end of the webbing (10) is fixedly connected to the middle part of the other take-up roller (24). A knob (11) is fixedly connected to the outer periphery of the rotating rod two (25). A ratchet (26) is fixedly connected to the outer periphery of the rotating rod two (25). A locking assembly is installed in the middle part of the connecting sleeve two (9).

3. A mine safety escape device according to claim 2, characterized in that: The engaging assembly includes a connecting rod (30), which is fixedly connected to the inner bottom of the connecting sleeve two (9). A pawl (31) is rotatably connected to the outer circumference of the connecting rod (30). A spring plate (28) is installed on the inner wall of the connecting sleeve two (9). The spring plate (28) is in contact with the pawl (31). The pawl (31) is in contact with the ratchet (26). A lever (29) is fixedly connected to the middle of the pawl (31). The other end of the lever (29) passes through and slides through the bottom of the connecting sleeve two (9).

4. A mine safety escape device according to claim 1, characterized in that: The bottom of the top cover (2) is fixedly connected to a limiting block (20), and the top of the housing (1) is provided with a limiting groove (21). The limiting block (20) is slidably connected to the middle of the limiting groove (21).

5. A mine safety escape device according to claim 1, characterized in that: The movable rod (3) has a slot (22) in the middle, and the locking block (14) is slidably connected to the middle of the slot (22).

6. A mine safety escape device according to claim 1, characterized in that: Both the movable rod (3) and the locking block (14) have curved edges.

7. A mine safety escape device according to claim 3, characterized in that: The bottom of the connecting sleeve 2 (9) is provided with a movable groove (27), and the lever (29) is slidably connected to the middle of the movable groove (27).

8. A mine safety escape device according to claim 2, characterized in that: Both the first connecting sleeve (8) and the second connecting sleeve (9) have through grooves (12) in the middle, and the webbing (10) is slidably connected to the middle of the through grooves (12).