CN217690858U

CN217690858U - Automatic interlocking mechanism and mining quick-opening explosion door

Info

Publication number: CN217690858U
Application number: CN202220562355.XU
Authority: CN
Inventors: 崔菲
Original assignee: HUNAN CHUANGAN FLAMEPROOF ELECTRICAPPLIANCES CO Ltd
Current assignee: HUNAN CHUANGAN FLAMEPROOF ELECTRICAPPLIANCES CO Ltd
Priority date: 2022-03-15
Filing date: 2022-03-15
Publication date: 2022-10-28
Anticipated expiration: 2032-03-15

Abstract

The utility model discloses an automatic interlocking gear and mining explosion vent that opens soon, include: the locking device comprises a control assembly, a driving assembly and a movable locking assembly, wherein the control assembly is connected with the driving assembly, the driving assembly is connected with the movable locking assembly, the control assembly is used for controlling the driving assembly to move, the driving assembly is used for driving an isolating switch to be opened or closed and driving the movable locking assembly to lock or unlock the door cover, the movable locking assembly comprises a locking piece and a locking piece resetting structure, the control assembly controls the driving assembly to push the locking piece to close the door cover, and the control assembly controls the driving assembly to be far away from the locking piece so that the locking piece resetting structure drives the locking piece to reset to unlock the door cover.

Description

Automatic interlocking mechanism and mining quick-opening explosion door

Technical Field

The utility model relates to an interlocking technical field especially relates to an automatic interlocking mechanism. Furthermore, the utility model discloses still relate to a mining explosion vent that opens soon including above-mentioned automatic interlocking mechanism.

Background

In mining explosion-proof product, in order to reach explosion-proof requirement, the product that opens the door soon that its used need have mechanical interlocking mechanism, the door closure of main cavity can not be opened when isolator is operating condition promptly, the door closure of main cavity just can be opened when only isolator is in reset state, in order to guarantee the safety in utilization, in the current product that opens the door soon, basically all adopt the lead screw to carry out the interlocking between main cavity and the isolator, and it has low degree of automation to use the lead screw to chain, must rely on the manual work and shortcoming such as intensity of labour is big, and this kind of automatic interlocking mechanism is owing to use for a long time under the environment of mining and consequently have a large amount of dust adhesion on automatic interlocking mechanism, lead to automatic interlocking mechanism to appear blocking, the circumstances such as unsmooth operation.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automatic interlocking mechanism to it is low to solve current automatic interlocking mechanism degree of automation, must rely on artificial technical problem.

According to the utility model discloses an aspect provides an automatic interlocking mechanism, include: the control assembly is connected with the driving assembly, the driving assembly is connected with the movable locking assembly, the control assembly is used for controlling the driving assembly to move, the driving assembly is used for driving the isolating switch to be opened or closed and driving the movable locking assembly to lock or unlock the door cover, the movable locking assembly comprises a locking piece and a locking piece resetting structure, the driving assembly is controlled by the control assembly to push the locking piece to close the door cover, and the driving assembly is controlled by the control assembly to be away from the locking piece so that the locking piece resetting structure drives the locking piece to reset to unlock the door cover.

The locking piece resetting structure comprises a guide sleeve, a limiting device and a spring piece, wherein the guide sleeve is sleeved outside the locking piece, the limiting device is arranged between the locking piece and the guide sleeve and used for preventing the locking piece from axially falling out of the guide sleeve, the spring piece is installed between the locking piece and the guide sleeve, the control assembly controls the driving assembly to push the locking piece to overcome the pre-pressing elastic force of the spring piece to move and lock the door cover, and the control assembly controls the driving assembly to be far away from the locking piece so that the pre-pressing elastic force applied by the spring piece can force the locking piece to reset and release the locking of the door cover.

Furthermore, the latch resetting structure comprises a guide sleeve and a limiting device, the guide sleeve is sleeved outside the latch, the limiting device is arranged between the latch and the guide sleeve and used for preventing the latch from axially disengaging from the guide sleeve, one end of the guide sleeve, which is close to the driving assembly, is obliquely inclined, the driving assembly is controlled by the control assembly to push the latch to obliquely extend upwards from the guide sleeve to lock the door cover, and the driving assembly is controlled by the control assembly to be away from the latch so that the latch can obliquely move downwards along the guide sleeve under the action of self gravity to release the locking of the door cover.

Further, two end parts of the guide sleeve are respectively jointed with the locking piece through sealing pieces.

Further, the limiting device comprises a flange extending towards the direction of the locking piece along the radial direction and a bulge arranged on the outer side of the locking piece, and the locking piece is limited by the abutting contact of the flange and the bulge; one end of the guide sleeve is provided with a sleeve cover, and the sleeve cover is provided with a through hole for the locking piece to pass through.

Furthermore, the driving assembly comprises a shifting plate and a rotating part, the shifting plate is fixedly connected with the rotating part, the shifting plate is in abutting contact with the locking part, and the rotating part rotates to drive the shifting plate to swing so as to push the locking part to move.

Further, one end, close to the shifting plate, of the locking piece is provided with a spherical surface or a cambered surface, and the shifting plate is in contact with the locking piece through the spherical surface or the cambered surface.

Further, the control assembly comprises a handle, the handle is connected with the rotating piece, and power is provided for rotation of the shifting plate through rotating the handle.

Furthermore, the control assembly comprises a button assembly and a transmission device, the button assembly is connected with the transmission device, the transmission device is connected with the rotating piece, and the transmission device is controlled to drive the rotating piece to rotate by pressing a button on the button assembly.

According to the utility model discloses an on the other hand still provides a mining explosion vent that opens soon, and it includes foretell automatic interlocking mechanism.

The utility model discloses following beneficial effect has:

1. the utility model adopts an automatic interlocking mode, when the control component controls the isolating switch to be in a working state, the driving component drives the movable locking component to lock the door cover; when the control assembly controls the isolating switch to be in a reset state, the driving assembly drives the movable locking assembly to unlock the door cover; therefore, automatic locking and unlocking operations of the door cover are realized, manual control is not needed, and the conditions of overpressure explosion and door opening injury can be effectively prevented; the automatic interlocking mode adopts the mode that the driving assembly is controlled to be close to and push the locking piece to lock the door cover, the driving assembly is controlled to be far away from the locking piece to enable the locking piece to reset so as to release the locking of the door cover, and the locking and unlocking of the door cover are realized by only two actions of approaching and far away, so that the automatic interlocking structure can be designed more simply, the manufacturing and using cost is reduced, and the operation reliability of the automatic interlocking structure is ensured; meanwhile, the whole action process is realized in a pure mechanical mode, so that the stability is better, and the influence of the environment is not easy to happen.

2. The utility model adopts the mode of rotating the shifting plate to control the locking piece to move in the design of the automatic interlocking structure, and the surface area of the shifting plate is larger, thereby being beneficial to stably and reliably abutting the shifting plate and pushing the locking piece; simultaneously dial board demountable installation in the outside of rotating the piece, can be so that dial the board and take place wearing and tearing or damage the back and only need to dial the board and change alone, and do not need whole dismantlement, consequently can effectively reduce its cost of use of maintaining.

3. The utility model discloses a sealed cavity's mode of design is formed in the uide bushing, places in the uide bushing in spare parts such as spring part, stop device and latch for built-in spring part, stop device and latch are isolated with the mining environment of outside, can effectually avoid the dust to get into and pile up in the uide bushing and lead to the latch to remove not smooth condition and take place, keep apart the dust outside simultaneously can effectual improvement spring part, the life of latch, reduce subsequent maintenance cost.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic structural view of an automatic interlocking mechanism and a mining quick-opening explosion door according to a preferred embodiment of the invention;

fig. 2 is an enlarged view of a schematic view of the structure of region a of fig. 1.

The reference numbers illustrate:

11. a latch; 12. a latch return structure;

120. a fixing plate; 121. a guide sleeve; 122. a limiting device; 123. a spring member;

1220. covering; 1221. a protrusion;

13. a seal member;

21. dialing a plate; 22. a rotating member;

31. a handle; 32. a button assembly.

Detailed Description

The embodiments of the invention will be described in detail hereinafter with reference to the drawings, but the invention can be implemented in many different ways, which will be defined and covered hereinafter.

Referring to fig. 1, a preferred embodiment of the present invention provides an automatic interlocking mechanism, which includes a control assembly, a driving assembly and a movable locking assembly, wherein the control assembly is connected to the driving assembly, the driving assembly is connected to the movable locking assembly, the driving assembly is connected to an isolation switch, the control assembly is used for controlling the movement of the driving assembly, the movable locking assembly can lock and unlock a door cover, and the driving assembly controls the isolation switch to open and close and controls the movable locking assembly to lock or unlock the door cover; when in use: when the control assembly controls the driving assembly to move in a first working state, the driving assembly drives the isolating switch to be in an opening state and simultaneously drives the movable locking assembly to lock the door cover so as to prevent safety accidents; when the control assembly controls the driving assembly to be in the second working state, the driving assembly drives the isolating switch to be in the reset state and simultaneously drives the movable locking assembly to release the locking of the door cover, so that the door cover can be normally opened.

Referring to fig. 2, the movable locking assembly includes a locking member 11 and a locking member resetting structure 12, and the locking member 11 may be a locking member capable of locking the door cover, such as a locking pin, a baffle plate, etc., so as to ensure that the locking member 11 can effectively lock the door cover to prevent the door cover from moving when the disconnecting switch is in the operating state.

Referring to fig. 2, an embodiment of the latch member returning structure 12 includes a fixing plate 120, a guide sleeve 121, a limiting device 122, and a spring member 123, where the fixing plate 120 is connected to the guide sleeve 121, the guide sleeve 121 is disposed outside the latch member 11, two ends of the latch member 11 can extend out of the guide sleeve 121, the spring member 123 is mounted between the guide sleeve 121 and the latch member 11, the guide sleeve 121 is provided with the limiting device 122, the limiting device 122 includes a flange extending in a radial direction toward the latch member 11 and a protrusion 1221 disposed outside the latch member 11, and the latch member 11 is limited by abutting contact of the flange and the protrusion 1221; a sleeve cover 1220 is arranged at one end of the guide sleeve 121, a through hole for the locking piece 11 to pass through is formed in the sleeve cover 1220, the protrusion 1221 can compress the spring piece 123, the sleeve cover 1220 is connected to one end of the guide sleeve 121 so that the locking piece 11 and the spring piece 123 can be conveniently plugged after being installed in the guide sleeve 121, and the protrusion 1221 enables the locking piece 11 not to be separated from the body of the guide sleeve 121 when sliding in the guide sleeve 121; one of the working processes of the device is as follows: the isolating switch is turned on by controlling the driving assembly, and the driving assembly moves and simultaneously approaches and pushes one end of the locking piece 11 to extend out of the guide sleeve 121 and compress the spring so as to lock the door cover; the other working process of the device is as follows: the isolating switch is reset by controlling the movement of the driving assembly, and the driving assembly moves away from the locking piece 11 at the same time, so that the locking piece 11 is reset by the pre-pressure elastic force of the spring piece 123 to release the locking of the door cover.

It should be noted that the composition structure of the latch member resetting structure has the characteristic of convenient installation and disassembly, for example, when in installation, a user firstly fixes the guide sleeve 121 on the fixing plate 120 to form an assembly, the welded assembly is installed on the main body through a special screw to connect the main body into a whole, then the spring member 123 is put into the guide sleeve 121 from one end of the guide sleeve 121 for installation, the latch member is inserted into the guide sleeve 121 from one end of the guide sleeve 121, and finally one end of the guide sleeve 121 is closed through a fastening member by the sleeve cover 1220; when needing to dismantle this module only need with this installation reverse go on can, this kind of latch reset structure's whole installation is comparatively simple with the dismantlement process, need not consume too many manual works, is favorable to using widely.

Another embodiment of the latch resetting structure 12 includes a fixed plate 120, a guide sleeve 121, and a limiting device 122, the fixed plate 120 is connected to the guide sleeve 121, the guide sleeve 121 is sleeved outside the latch 11, two ends of the latch 11 can extend out of the guide sleeve 121, and the limiting device 122 is disposed on the guide sleeve 121, which is different from the previous latch resetting structure in that the guide sleeve 121 in the present device is not horizontally disposed, but is deflected at a certain angle with the horizontal direction, so that the guide sleeve 121 is inclined downward toward one end of the driving assembly, the guide sleeve 121 is inclined upward toward one end of the door cover, the latch 11 slides downward from the guide sleeve 121 to the inclined downward end of the guide sleeve 121 under the action of its own gravity when the latch 11 is not subjected to an external force, and at this time, the latch 11 is away from the door cover and is not blocking the front side of the door cover, the isolating switch is in the resetting state, and the door cover is in the unlocking state; when the control assembly controls the driving assembly to drive the isolating switch to work, the driving assembly pushes the locking piece 11 to move upwards along the guide sleeve 121 in an inclined mode, and finally the locking piece 11 extends out of one end, inclined upwards from the guide sleeve 121, of the locking piece to be blocked at the front side of the door cover so as to lock the door cover.

In the above two embodiments of the latch resetting structure 12, the shape of the guide sleeve 121 may be designed to be matched with the latch 11, and the sealing members 13 are disposed at two ends of the contact position of the guide sleeve 121 and the latch 11, the sealing members 13 may be sealing bushes, sealing rubber rings, etc., the sealing members 13 are connected at two ends inside the guide sleeve 121, and the sealing members 13 seal the gap between the latch 11 and the guide sleeve 121, so as to prevent a large amount of dust from entering inside the guide sleeve 121 in a mining environment and affecting the normal movement of the latch 11 in the guide sleeve 121, and at the same time, form a sealing environment inside the guide sleeve 121, which can greatly improve the durability of parts inside the guide sleeve 121, and avoid the need of frequent maintenance and replacement.

Referring to fig. 1, the driving assembly includes a dial plate 21 and a rotating member 22, and the rotating member 22 is connected to the dial plate 21, so that the dial plate 21 and the rotating member 22 can be detachably connected, and the dial plate 21 can be conveniently installed and replaced; the rotating part 22 is connected with the isolating switch, and the control component controls the rotating part 22 to drive the shifting plate 21 to rotate, so that the locking part 11 can be pushed by the shifting plate 21 to move in the guide sleeve 121; the first state of rotation of the rotating member 22 is to control the opening of the isolating switch, and at this time, the dial plate 21 on the rotating member 22 pushes one end of the locking member 11 to extend out of the guide sleeve 121, so as to lock the door cover; the second state of the rotation of the rotating piece 22 is to control the disconnecting switch to reset, at this time, the shift lever 21 on the rotating piece 22 is far away from the locking piece 11, and the locking piece 11 is reset under the driving of the locking piece resetting structure 12 so as to release the locking of the door cover; the rotating piece 22 drives the shifting plate 21 to rotate, so that the opening and closing of the isolating switch can be controlled during rotation, meanwhile, the shifting plate 21 on the rotating piece 22 can control the stretching out and resetting of the locking piece 11, and then the locking and unlocking of the door cover are realized.

One end of the locking member 11 close to the shifting plate 21 may be provided with a spherical surface or an arc surface, or one end of the locking member 11 close to the shifting plate 21 is directly fixedly connected with a curved surface, so as to reduce the friction force between the shifting plate 21 and the locking member 11, and further make the shifting plate 21 push the locking member 11 more smoothly.

Referring to fig. 1, one embodiment of the control assembly is a handle 31 connected to a rotatable member, which can be rotated by a user to provide power for movement of the dial plate during use, and which can be manually controlled to advantageously reduce the manufacturing and use costs of the device.

Another embodiment of the control assembly includes a button assembly 32 and a transmission device (not shown), the button assembly 32 is connected with the transmission device, the transmission device is connected with the rotating member 22, and the transmission device can drive the rotating member 22 to rotate when working, so as to control the isolating switch to be in a working state or a reset state; when the isolating switch is required to be in the working state, a user can press a button on the button assembly 32, the transmission device works to drive the rotating piece 22 to rotate so that the isolating switch is in the working state, and meanwhile, the rotating piece 22 drives the shifting plate 21 to push the locking piece 11 to extend out of the guide sleeve 121 to lock the door cover; when the isolating switch is required to be in a reset state, a user can press a button on the button assembly 32, the transmission device works to drive the rotating piece 22 to rotate so that the isolating switch is in the reset state, meanwhile, the rotating piece 22 drives the shifting plate 21 to be away from the locking piece 11, and the locking piece 11 is reset under the driving of the locking piece reset structure so that the locking of the door cover is released.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic interlocking mechanism, comprising: the control assembly is connected with the driving assembly, the driving assembly is connected with the movable locking assembly, the control assembly is used for controlling the driving assembly to move, the driving assembly is used for driving the isolating switch to be opened or closed and driving the movable locking assembly to lock or unlock the door cover,

the movable locking assembly comprises a locking piece (11) and a locking piece resetting structure (12), the control assembly controls the driving assembly to push the locking piece (11) to close the door cover, and the control assembly controls the driving assembly to be away from the locking piece (11) so that the locking piece resetting structure (12) drives the locking piece to reset to release the locking of the door cover.

2. An automatic interlocking mechanism according to claim 1, characterized in that the latch member return structure (12) comprises a guide sleeve (121), a limiting device (122) and a spring member (123), the guide sleeve (121) is sleeved outside the latch member (11), the limiting device (122) is arranged between the latch member (11) and the guide sleeve (121), the limiting device (122) is used for preventing the latch member (11) from axially falling out of the guide sleeve (121), the spring member (123) is installed between the latch member (11) and the guide sleeve (121), the driving member is controlled by the control member to push the latch member (11) to move against the pre-pressure elastic force of the spring member (123) and lock the door cover, and the driving member is controlled by the control member to move away from the latch member (11) so that the pre-pressure elastic force exerted by the spring member (123) forces the latch member (11) to return and unlock the door cover.

3. The automatic interlocking mechanism is characterized in that the latch resetting structure (12) comprises a guide sleeve (121) and a limiting device (122), the guide sleeve (121) is sleeved outside the latch (11), the limiting device (122) is arranged between the latch (11) and the guide sleeve (121), the limiting device (122) is used for preventing the latch (11) from axially falling out of the guide sleeve (121), one end of the guide sleeve (121) close to the driving component is arranged in a downward inclined mode, the driving component is controlled by the control component to push the latch (11) to extend obliquely upwards from the guide sleeve (121) to lock the door cover, and the driving component is controlled by the control component to be away from the latch (11) so that the latch (11) moves obliquely downwards along the guide sleeve (121) under the action of self gravity to release the locking of the door cover.

4. An automatic interlocking mechanism according to claim 2 or 3, characterized in that the two ends of the guide sleeve (121) are respectively engaged with the locking member (11) through sealing members (13).

5. An automatic interlocking mechanism according to claim 2 or 3, characterized in that the limiting means (122) comprises a flange extending radially towards the latch member (11) and a projection (1221) provided outside the latch member (11), the latch member (11) being limited by abutment contact of the flange with the projection (1221); one end of the guide sleeve (121) is provided with a sleeve cover (1220), and a through hole for the locking piece (11) to pass through is formed in the sleeve cover (1220).

6. The automatic interlocking mechanism of claim 1, characterized in that the driving component comprises a dial plate (21) and a rotating member (22), the dial plate (21) is fixedly connected with the rotating member (22), the dial plate (21) is in abutting contact with the locking member (11), and the rotating member (22) rotates to drive the dial plate (21) to swing so as to push the locking member (11) to move.

7. An automatic interlocking mechanism according to claim 6, characterized in that the end of the locking member (11) close to the dial plate (21) is arranged to be spherical or cambered, and the dial plate (21) is in contact with the locking member (11) through the spherical or cambered surface.

8. An automatic interlocking mechanism according to claim 6, characterized in that the control assembly comprises a handle (31), the handle (31) being connected to the rotary member (22) for powering the rotation of the dial (21) by rotating the handle (31).

9. An automatic interlocking mechanism as claimed in claim 6, characterised in that the control assembly comprises a push button assembly (32) and an actuator, the push button assembly (32) being connected to the actuator, the actuator being connected to the rotary member (22), the actuator being controlled to rotate the rotary member (22) by pressing a push button on the push button assembly (32).

10. A mining quick-opening explosion vent, characterized by comprising an automatic interlocking mechanism according to any one of claims 1 to 9.