CN208985894U - A kind of explosion-proof button for underground coal mine - Google Patents

Abstract

The utility model discloses a kind of explosion-proof buttons for underground coal mine, including upper cover, lower cover is installed on the downside of the upper cover, the end side of the upper cover is equipped with the first semicircle orifice, the end side of the lower cover is equipped with the second semicircle orifice, threaded hole is equipped in the upper cover, thread groove is equipped in the lower cover, the threaded hole and thread groove inside spin Locking screw, the upside of the threaded hole is equipped with round recessed, the interior lower end of the lower cover is equipped with support rod, the end of the support rod is installed with support plate, wiring pile is equipped in the support plate, contact is installed on the wiring pile.When copper mesh plate contacts two contacts, it is uniformly mesh-structured by copper mesh intralamellar part, it can be by arc-absorption in its each mesh, so that electric arc will not pull it is excessively thick or too long, relatively original copper sheet is contacted with contact, electric arc can be effectively reduced, safer, very big electric arc can be played by solving the problems, such as button interior still.

Description

A kind of explosion-proof button for underground coal mine

Technical field

The utility model relates to a kind of explosion-proof buttons for underground coal mine.

Background technique

Coal mine is the mankind in the region of the mining area exploitation coal resources rich in coal, is generally divided into underground mine and outdoor coal Mine is typically chosen to underground when coal seam is remote from earth's surface and digs tunnel digging coal, this is underground mine, when coal seam is away from earth's surface Distance it is close when, be typically chosen directly removing surface soil layer excavate coal, this is open coal mine, China's overwhelming majority coal mine category In underground mine, coal mine range includes the very big region of above and below ground and related facility, and coal mine is the mankind in digging rich in having The proportional space excavated when the geological stratification of coal, generally includes tunnel, well cave and face etc., and coal is most important solid Fuel is one kind of kaustobilite.

The explosion-proof button of existing underground coal mine, shell are condensed using plastics matter upper cover and lower cover by screw and screw hole At to place internal arc extraction shell, when pressing pressing plate downwards, copper board joint touches down two contacts of side, makes Wiring pile under two contacts is electrically connected, to realize connection circuit, but existing shortcoming has: copper plate with When contact contacts, very big electric arc still can be played between the two, used in underground coal mine still not safe enough.

Utility model content

The purpose of this utility model is to provide a kind of explosion-proof buttons for underground coal mine, to solve above-mentioned background technique The button interior of middle proposition still can play the problem of very big electric arc.

To achieve the above object, the utility model provides the following technical solutions: a kind of explosion-proof button for underground coal mine, Including upper cover, lower cover is installed on the downside of the upper cover, the end side of the upper cover is equipped with the first semicircle orifice, the end side of the lower cover Equipped with the second semicircle orifice, it is equipped with threaded hole in the upper cover, is equipped with thread groove in the lower cover, in the threaded hole and thread groove Spiral Locking screw, the upside of the threaded hole are equipped with round recessed, and the interior lower end of the lower cover is equipped with support rod, the support rod End be installed with support plate, wiring pile is equipped in the support plate, is installed with contact, the upper cover upper end on the wiring pile It is equipped with square hole in side, square pole is inserted in the square hole, the square pole inserts square hole and the lower part of square pole is set There is annulus, spring, the inner wall upper end of the upper end connection upper cover of the spring, the lower end of the spring are arranged on the square pole The upper end of annulus is connected, is installed with square box on the downside of the square pole, the inner wall of the square box is installed with copper mesh plate, described The upper surface of copper mesh plate is installed with transverse slat, and the upper end center position of the transverse slat connects the lower end of square pole, the square pole Upper end is installed with pressing plate, and the lower end outer rim of the upper end connection pressing plate of rubber sleeve and rubber sleeve is arranged on the square pole.

Preferably, the material of the transverse slat is polytetrafluoroethylene (PTFE), with a thickness of 2 millimeters.

Preferably, the upper end of the pressing plate is bonded with silica gel plectane.

Compared with prior art, the utility model has the beneficial effects that passing through copper mesh when copper mesh plate contacts two contacts Intralamellar part is uniformly mesh-structured, can by arc-absorption in its each mesh so that will not pull excessively thick of electric arc or Too long, relatively original copper sheet is contacted with contact, can effectively reduce electric arc, safer, and solving button interior still can rise very The problem of big electric arc.

Detailed description of the invention

Fig. 1 is the main view local cutting schematic diagram of the utility model；

Fig. 2 is the upside transverse cross sectional schematic top plan view of the utility model；

Fig. 3 is the downside transverse cross sectional schematic top plan view of the utility model；

Fig. 4 is the left view schematic diagram of the utility model；

Fig. 5 is the schematic top plan view of the utility model；

Fig. 6 is the left view local cutting schematic diagram of the utility model.

In figure: 1 upper cover, 2 lower covers, 3 first semicircle orifices, 4 second semicircle orifices, 5 threaded holes, 6 thread grooves, 7 round recesseds, 8 spiral shells Silk, 9 support rods, 10 support plates, 11 wiring piles, 12 contacts, 13 square holes, 14 square poles, 15 annulus, 16 springs, 17 square boxes, 18 copper mesh plates, 19 transverse slats, 20 pressing plate, 21 rubber sleeves, 22 silica gel plectanes.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on Orientation or positional relationship shown in the drawings is merely for convenience of description the utility model, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.

Fig. 1, Fig. 2, Fig. 3 and Fig. 5 are please referred to, the utility model provides a kind of technical solution: a kind of for underground coal mine Explosion-proof button, including upper cover 1, the downside of upper cover 1 are installed with lower cover 2, and upper cover 1 and lower cover 2 are all rectangular box like structure, size phase Together, material is polytetrafluoroethylene (PTFE), and the lower end surface of upper cover 1 corresponds to the upper surface of lower cover 2, and the end side of upper cover 1 is equipped with the first semicircle Hole 3, the end side of lower cover 2 are equipped with the second semicircle orifice 4, and the first semicircle orifice 3 and the second semicircle orifice 4 constitute the hole of a round threading, Convenient for threading into explosion-proof button, it is equipped with threaded hole 5 in upper cover 1, threaded hole 5 is distributed in three side of inside of upper cover 1, in lower cover 2 Equipped with thread groove 6, thread groove 6 is distributed in three side of inside of lower cover 2, and the lower port of threaded hole 5 corresponds to the upper end of thread groove 6 Mouthful, and aperture is identical, 6 inside spin Locking screw 8 of threaded hole 5 and thread groove, by screw 8 to the lock of threaded hole 5 and thread groove 6 It closes, so that upper cover 1 and the stabilization of lower cover 2 lock together, the upside of threaded hole 5 is equipped with round recessed 7, and round recessed 7 is for containing screw 8 Cross screw head, be unlikely to by screw head expose upper cover 1.

Refering to fig. 1, Fig. 3 and Fig. 6, the interior lower end of lower cover 2 are equipped with support rod 9, and the interior lower end of lower cover 2 uses the side of welding Formula fixes support rod 9, and support rod 9 and support plate 10 are integrated moulding, and material is all polytetrafluoroethylene (PTFE), and wiring pile 11 is being infused It is added in support plate 10 during modeling, the end of support rod 9 is installed with support plate 10, is equipped with wiring pile 11 in support plate 10, connects Line stake 11 is nut pinching, and wiring pile 11 is integrated with contact 12, and material is all copper, is installed with contact on wiring pile 11 12, the end of a thread of power supply line and control line can be separately mounted on two wiring piles 11.

Refering to fig. 1, Fig. 2, Fig. 4 and Fig. 6,1 upper end side of upper cover is interior to be equipped with square hole 13, is inserted with square pole in square hole 13 14, square hole 13 and 14 section of square pole are all rectangular, and to be slidably matched, and limitation square pole 14 is rotated or moved when moving up and down Dynamic, so that square pole 14 moves up and down stabilization, square pole 14 inserts square hole 13 and the lower part of square pole 14 is equipped with annulus 15, square pole 14 is integrated with annulus 15, is arranged with spring 16 on square pole 14, and spring 16 is to stretch telescopic, at this time for Nature is limited square pole 14 and is moved down by the resilient support of spring 16, and the upper end of spring 16 connects the interior of upper cover 1 Wall upper end, the upper end of the lower end connection annulus 15 of spring 16, the downside of square pole 14 are installed with square box 17,17 essence of square box For a square frame structure, material is copper, and the inner wall of square box 17 is installed with copper mesh plate 18, and copper mesh plate 18 is substantially a copper Matter net plate structure, square box 17 are integrated with copper mesh plate 18, and the upper surface of copper mesh plate 18 is installed with transverse slat 19, copper mesh plate 18 Upper surface by the way of bonding fixed transverse slat 19, the lower end of the upper end center position connection square pole 14 of transverse slat 19, transverse slat 19, the material of square pole 14 and pressing plate 20 is all polytetrafluoroethylene (PTFE), and polytetrafluoroethylene (PTFE) has intensity height, good toughness, and has The material of good insulating properties, transverse slat 19 is polytetrafluoroethylene (PTFE), and with a thickness of 2 millimeters, the upper end of square pole 14 is installed with pressing plate 20, the upper end of square pole 14 fixed pressing plate 20 by the way of bonding passes through copper when copper mesh plate 18 contacts two contacts 12 18 inside of web plate is uniform mesh-structured, can be by arc-absorption in its each mesh, so that the mistake that electric arc will not pull It is thick or too long, the lower end outer rim of the upper end connection pressing plate 20 of rubber sleeve 21 and rubber sleeve 21, rubber are arranged on square pole 14 The lower end outer rim of the upper end of set 21 fixed pressing plate 20 by the way of bonding, the lower end of rubber sleeve 21 are consolidated by the way of bonding It is scheduled on the upper end of upper cover 1, rubber sleeve 21 is embodied as a rubber mass circle nested structure, square pole 14 can be cooperated to move up and down Shi Ershen Contracting, while by square hole 13 and external environs, it prevents electric arc from cooperating in hole from square hole 13 with square pole 14 and draws, press The upper end of pressing plate 20 is bonded with silica gel plectane 22, and silica gel plectane 22 is substantially a silica gel matter Circular plate structure, when finger is by pressing When pressing plate 20, because its is soft, so that finger can be more comfortable.

When the utility model is specifically implemented: square pole 14 drives downwards square box 17 when pressing down on silica gel plectane 22 Mobile, spring 16 is stretched, uniform mesh-structured by 18 inside of copper mesh plate when copper mesh plate 18 contacts two contacts 12, It can be by arc-absorption in its each mesh, so that electric arc will not pull excessively thick or too long, relatively original copper sheet and touching 12 contact of point, can effectively reduce electric arc, safer, and rubber sleeve 21 is embodied as a rubber mass circle nested structure, can cooperate rectangular It stretches when bar 14 moves up and down, while by square hole 13 and external environs, preventing electric arc from square hole 13 and square pole It is drawn in 14 cooperation holes, when hand unclamps silica gel plectane 22, by the retraction force of spring 16, so that copper mesh plate 18 is upspringed It rises, to disconnect the connection between two wiring piles 11.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (3)

1. a kind of explosion-proof button for underground coal mine, including upper cover (1), it is characterised in that: install the downside of the upper cover (1) Have lower cover (2), the end side of the upper cover (1) is equipped with the first semicircle orifice (3), and the end side of the lower cover (2) is equipped with the second semicircle orifice (4), threaded hole (5) are equipped in the upper cover (1), thread groove (6), the threaded hole (5) and screw thread is equipped in the lower cover (2) The upside of slot (6) inside spin Locking screw (8), the threaded hole (5) is equipped with round recessed (7), and the interior lower end of the lower cover (2) is set Have support rod (9), the end of the support rod (9) is installed with support plate (10), and wiring pile is equipped in the support plate (10) (11), it is installed with contact (12) on the wiring pile (11), is equipped with square hole (13) in upper cover (1) upper end side, the side It is inserted with square pole (14) in shape hole (13), the square pole (14) inserts square hole (13) and the lower part of square pole (14) is equipped with Annulus (15) is arranged with spring (16) on the square pole (14), on the inner wall of upper end connection upper cover (1) of the spring (16) End, the lower end of the spring (16) connect the upper end of annulus (15), are installed with square box (17) on the downside of the square pole (14), The inner wall of the square box (17) is installed with copper mesh plate (18), and the upper surface of the copper mesh plate (18) is installed with transverse slat (19), institute The lower end of upper end center position connection square pole (14) of transverse slat (19) is stated, the upper end of the square pole (14) is installed with pressing plate (20), it is arranged on the square pole (14) outside the lower end of upper end connection pressing plate (20) of rubber sleeve (21) and rubber sleeve (21) Edge.

2. a kind of explosion-proof button for underground coal mine according to claim 1, it is characterised in that: the transverse slat (19) Material is polytetrafluoroethylene (PTFE), with a thickness of 2 millimeters.

3. a kind of explosion-proof button for underground coal mine according to claim 1, it is characterised in that: the pressing plate (20) Upper end be bonded with silica gel plectane (22).