CN217558028U

CN217558028U - Mining explosion-proof door safety device

Info

Publication number: CN217558028U
Application number: CN202123140598.9U
Authority: CN
Inventors: 张志祥
Original assignee: Zhangjiagang Shengheng Machinery Equipment Manufacturing Co ltd
Current assignee: Zhangjiagang Shengheng Machinery Equipment Manufacturing Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-10-11
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses a mining explosion-proof door safety device, which belongs to the technical field of explosion-proof door safety devices and comprises a linkage mechanism and a locking device, wherein the explosion-proof door is connected with a limiting piece, the locking device is rotationally connected with a cabinet body, the linkage mechanism comprises a linkage piece and a first connecting rod, one end of the first connecting rod is rotationally connected with the linkage piece, and the other end of the first connecting rod is rotationally connected with the locking device; two grooves that slide have been seted up along same straight line to linkage piece direction of height, and the mounting is all worn to be equipped with by two inslots that slide, and two mountings and two slide and be connected between the groove, and two mountings pass cabinet side wall and are connected with the regulating part, and the regulating part cover is on the mounting and threaded connection, and the regulating part supports under the tight cabinet side wall state mounting and keeps away from cabinet body one side and supports tight cabinet body inner wall, locking device and spacing mutual gomphosis. The utility model discloses the safeties have been increased to thereby effectively avoid the door body of flame proof cabinet to open when need not opening and lead to the effect that dangerous emergence.

Description

Mining explosion-proof door safety device

Technical Field

The utility model relates to a flame proof door safeties technical field, in particular to mining flame proof door safeties.

Background

Explosion suppression is a technology for preventing explosion propagation. The embodiment is that the circuit is structurally isolated from the surrounding environment by an isolation measure, so that the heat generated by the circuit in normal operation and the electric spark and high temperature formed in a fault state are both limited in a sealed shell to prevent the surrounding flammable and explosive gas from being ignited. In order to keep the closed state of the explosion-proof cabinet, the door body needs to be kept closed, so that parts in the cabinet body are prevented from being ignited under the conditions of external explosion and the like.

The above prior art has the following disadvantages: the explosion-proof door of the explosion-proof cabinet in the prior art is not provided with a safety device, when the explosion-proof effect needs to be played, the situation that the door body is opened and danger is easily caused by the mistaken touch of an operator and the unattended process is solved urgently.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a mining flame proof door safeties has increased safeties to thereby effectively avoid the door body of flame proof cabinet to open when need not opening and lead to the effect that dangerous emergence.

A safety device for a mining explosion-proof door comprises a linkage mechanism and a locking device, wherein a limiting piece is connected to the explosion-proof door, the locking device is rotatably connected to a cabinet body, the linkage mechanism comprises a linkage piece and a first connecting rod, one end of the first connecting rod is rotatably connected with the linkage piece, and the other end of the first connecting rod is rotatably connected with the locking device;

the linkage piece is characterized in that two sliding grooves are formed in the height direction of the linkage piece along the same straight line, fixing pieces are arranged in the sliding grooves in a penetrating mode, the fixing pieces are connected with the sliding grooves in a sliding mode, the fixing pieces penetrate through the side wall of the cabinet body and are connected with adjusting pieces, the adjusting pieces are sleeved on the fixing pieces and are in threaded connection, the adjusting pieces abut against the side wall of the cabinet body, the fixing pieces are far away from one side of the cabinet body and abut against the inner wall of the cabinet body, and the locking device is mutually embedded with the limiting pieces.

The utility model discloses further set up to: the anti-explosion cabinet is characterized in that one side, away from the anti-explosion cabinet, of the limiting sheet in the vertical direction is provided with a limiting groove, the height of the locking device is smaller than the depth of the limiting groove, two clamping grooves are formed in two sides, perpendicular to the length direction, of the locking device, and the clamping grooves are mutually embedded with the groove wall of the limiting groove;

the locking device penetrates through one side, away from the limiting piece, of the cabinet body and is fixedly provided with a connecting piece, a second connecting rod is fixedly arranged on the connecting piece, and the first connecting rod is rotatably connected with the second connecting rod.

The utility model discloses further set up to: two locating parts of fixedly connected with on the cabinet body, two the trench that slides is kept away from both sides each other on the linkage piece and has seted up two spacing holes respectively, two the locating part passes two spacing holes respectively and slides and connect.

The utility model discloses further set up to: a guide groove is formed in the first connecting rod, a guide shaft is inserted in the guide groove, and the guide shaft is fixed on the cabinet body.

The utility model discloses further set up to: the adjusting piece is set to be a nut, an adjusting handle is sleeved on the outer side of the adjusting piece, and the adjusting handle drives the adjusting piece to rotate.

The utility model discloses further set up to: and the end surface of the locking device is provided with an inner hexagonal adjusting groove.

The utility model discloses further set up to: the end part of the adjusting handle is integrally formed with a bulb, and the diameter of the bulb is larger than that of the adjusting handle.

When the cabinet door is closed, limiting grooves formed in the limiting pieces are located on the upper side and the lower side of the locking device, the locking device is rotated by using a hexagonal wrench, the locking device is rotated by 90 degrees, the clamping groove and the limiting grooves are mutually embedded at the moment, then the adjusting handle is rotated downwards, the adjusting piece is rotated to enable the adjusting piece and the fixing piece to clamp the cabinet body and the linkage piece, the linkage piece and the two sides of the cabinet body are clamped by the two adjusting pieces and the two fixing pieces simultaneously, the locking state of the limiting pieces cannot be released if the two adjusting pieces are not loosened in an inside powered-on and surrounding unmanned state, the locking device connected with the linkage piece through the first connecting rod and the second connecting rod is difficult to be loosened independently, the misoperation of personnel and the automatic opening condition under the unmanned watching state under the powered-on state are difficult to occur, and the danger can be effectively avoided.

To sum up, the utility model discloses following beneficial effect has:

1. through a linkage mechanism consisting of a linkage piece and a first connecting rod, the explosion door cannot be opened by independently opening the locking device, so that the dangerous condition is avoided;

2. through the mutual embedded arrangement of the limiting groove and the clamping groove, the locking device is rotated by 90 degrees, and the explosion-proof door can be opened in a power-off state;

3. through the setting of guide way and guide way, can carry on spacingly to the rotation of connecting rod to avoid taking place the dead condition of card.

Drawings

Fig. 1 is a schematic structural diagram for embodying the whole of the present invention;

FIG. 2 is a schematic structural diagram of the explosion-proof door in the present invention;

fig. 3 is a schematic structural view for showing the free rotation state of the locking device in the present invention;

fig. 4 is a schematic structural diagram of the present invention for showing the matching relationship between the locking device and the limiting plate.

In the figure, 1, a linkage mechanism; 11. a linkage piece; 12. a first link; 121. a guide groove; 13. a sliding groove; 14. a fixing member; 15. an adjustment member; 2. a locking device; 21. a card slot; 22. connecting sheets; 23. connecting sheets; 24. a second link; 25. an inner hexagonal adjusting groove; 3. a limiting sheet; 31. a limiting groove; 4. a limiting member; 41. a limiting hole; 5. a guide shaft; 6. adjusting the handle; 61. a ball head; 7. a cabinet body; 71. and (4) an explosion-proof door.

Detailed Description

The present invention will be described in detail with reference to the attached drawings, and other advantages and effects of the present invention can be easily understood by those skilled in the art from the disclosure of the present specification. In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also regarded as the scope of the present invention without substantial changes in the technical content.

Example (b):

as shown in fig. 1 to 3, the safety device for the mining explosion-proof door designed in the present invention comprises a linkage mechanism 1 and a locking device 2, wherein the explosion-proof door is connected with a limiting piece 3, the locking device 2 is rotatably connected to a cabinet body 7, the linkage mechanism 1 comprises a linkage piece 11 and a first connecting rod 12, one end of the first connecting rod 12 is rotatably connected with the linkage piece 11, and the other end is rotatably connected with the locking device 2; two grooves 13 that slide have been seted up along same straight line to 11 direction of height of linkage piece, all wear to be equipped with mounting 14 in two grooves 13 that slide, be between two mountings 14 and two grooves 13 that slide and be connected, two mountings 14 pass the cabinet 7 lateral wall and are connected with regulating part 15, regulating part 15 cover is on mounting 14 and threaded connection, regulating part 15 supports under the tight cabinet 7 lateral wall state mounting 14 keep away from cabinet 7 one side and support tight cabinet 7 inner wall, locking device 2 and spacing piece 3 gomphosis each other.

As shown in fig. 2 to 4, a limiting groove 31 is formed in one side of the limiting sheet 3, which is away from the explosion-proof cabinet, in the vertical direction, the height of the locking device 2 is smaller than the depth of the limiting groove 31, two clamping grooves 21 are formed in two sides of the locking device 2, which are perpendicular to the length direction, and the clamping grooves 21 are embedded with the groove walls of the limiting groove 31; the end surface of the locking device 2 is provided with an inner hexagonal adjusting groove 25. Adjusting part 15 sets up to the nut, and adjusting handle 6 has been cup jointed in the adjusting part 15 outside, and adjusting handle 6 drives adjusting part 15 and rotates, and 6 tip integrated into one piece of adjusting handle have bulb 61, and the diameter of bulb 61 is greater than the diameter of adjusting handle 6.

As shown in fig. 1 to fig. 3, a connecting piece 2322 is fixed on one side of the locking device 2, which passes through the cabinet 7 and is far away from the limiting piece 3, a second connecting rod 24 is fixed on the connecting piece 2322, and the first connecting rod 12 is rotatably connected with the second connecting rod 24. The first connecting rod 12 is provided with a guide groove 121, a guide shaft 5 is inserted in the guide groove 121, and the guide shaft 5 is fixed on the cabinet body 7. Two locating parts 4 are fixedly connected to the cabinet body 7, two sliding grooves 13 are located on the linkage sheet 11 and are far away from two sides of each other, two limiting holes 41 are respectively formed in the two sides, and the two locating parts 4 penetrate the two limiting holes 41 respectively and are connected in a sliding mode.

As shown in fig. 2 and fig. 3, when the explosion-proof cabinet needs to be locked and closed, the locking device 2 is firstly rotated to enable the clamping groove 21 and the limiting groove 31 of the limiting sheet 3 to be mutually embedded, the adjusting handle 6 is pulled to rotate the adjusting member 15, the adjusting member 15 is set as a nut, the corresponding fixing member 14 is a screw rod, the head parts of the two fixing members 14 respectively clamp the upper side and the lower side of the linkage sheet 11, and at the moment, if the adjusting handle 6 is not rotated reversely, the locking device 2 is independently rotated, because the linkage sheet 11 is clamped and cannot move up and down, the mutual embedded state of the limiting groove 31 and the clamping groove 21 cannot be released, and the explosion-proof door 71 can be effectively prevented from being opened. When the explosion-proof door 71 needs to be opened, the adjusting handle 6 is rotated reversely, the linkage piece 11 is loosened at the head parts of the two fixing pieces 14, the locking device 2 is rotated by using a hexagonal wrench at the moment, the clamping groove 21 is moved out of the limiting groove 31, the first connecting rod 12 and the second connecting rod 24 rotate at the moment, the linkage piece 11 is lifted, and then the explosion-proof door 71 can be opened.

The implementation principle of the above embodiment is as follows: when the cabinet door is closed, the limiting grooves 31 arranged on the limiting pieces 3 are located on the upper side and the lower side of the locking device 2, the locking device 2 is rotated by using a hexagonal wrench, the locking device 2 is rotated by 90 degrees, the clamping groove 21 and the limiting grooves 31 are mutually embedded at the moment, then the adjusting handle 6 is rotated downwards, the adjusting piece 15 is rotated to enable the adjusting piece 15 and the fixing piece 14 to clamp the cabinet body 7 and the linkage piece 11, the two adjusting pieces 15 and the two fixing pieces 14 simultaneously clamp the linkage piece 11 and the two sides of the cabinet body 7, if the two adjusting pieces 15 are not loosened in the state that the inside of the explosion-proof cabinet is electrified and no person exists around the explosion-proof cabinet, the locking device 2 connected with the linkage piece 11 through the first connecting rod 12 and the second connecting rod 24 is difficult to be independently loosened, namely the locking state of the limiting pieces 3 cannot be released, the misoperation of personnel and the automatic opening condition in the unattended state are difficult to occur in the electrified state, and the danger can be effectively avoided.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A mining explosion-proof door safeties which characterized in that: the explosion door is characterized by comprising a linkage mechanism (1) and a locking device (2), wherein a limiting piece (3) is connected to the explosion door, the locking device (2) is rotatably connected to a cabinet body (7), the linkage mechanism (1) comprises a linkage piece (11) and a first connecting rod (12), one end of the first connecting rod (12) is rotatably connected with the linkage piece (11), and the other end of the first connecting rod is rotatably connected with the locking device (2);

linkage piece (11) direction of height has seted up two grooves (13) that slide along same straight line, two all wear to be equipped with mounting (14), two in the groove (13) that slides mounting (14) and two be the connection of sliding between the groove (13), two mounting (14) pass cabinet body (7) lateral wall and are connected with regulating part (15), regulating part (15) cover is on mounting (14) and threaded connection, regulating part (15) support under tight cabinet body (7) lateral wall state mounting (14) are kept away from cabinet body (7) one side and are supported tight cabinet body (7) inner wall, locking device (2) and spacing piece (3) gomphosis each other.

2. The mining explosion-proof door safety device according to claim 1, characterized in that: a limiting groove (31) is formed in one side, far away from the explosion-proof cabinet, of the limiting sheet (3) in the vertical direction, the height of the locking device (2) is smaller than the depth of the limiting groove (31), two clamping grooves (21) are formed in two sides, perpendicular to the length direction, of the locking device (2), and the clamping grooves (21) are mutually embedded with the groove wall of the limiting groove (31);

the locking device (2) penetrates through the cabinet body (7) and is fixed with connecting pieces (23) and (22) on one side far away from the limiting piece (3), second connecting rods (24) are fixed on the connecting pieces (23) and (22), and the first connecting rods (12) are rotatably connected with the second connecting rods (24).

3. The mining explosion-proof door safety device according to claim 2, characterized in that: two locating parts (4) of fixedly connected with on the cabinet body (7), two slide groove (13) and lie in linkage piece (11) and keep away from both sides each other and seted up two spacing holes (41) respectively, two locating part (4) pass two spacing holes (41) respectively and slide and connect.

4. The mining explosion-proof door safety device according to claim 3, characterized in that: a guide groove (121) is formed in the first connecting rod (12), a guide shaft (5) is inserted in the guide groove (121), and the guide shaft (5) is fixed on the cabinet body (7).

5. The mining explosion-proof door safety device according to claim 1, characterized in that: the adjusting piece (15) is arranged as a nut, the adjusting handle (6) is sleeved on the outer side of the adjusting piece (15), and the adjusting handle (6) drives the adjusting piece (15) to rotate.

6. The mining explosion-proof door safety device according to claim 2, characterized in that: and the end surface of the locking device (2) is provided with an inner hexagonal adjusting groove (25).

7. The mining explosion-proof door safety device according to claim 5, characterized in that: the end of the adjusting handle (6) is integrally formed with a bulb (61), and the diameter of the bulb (61) is larger than that of the adjusting handle (6).