CN211427446U

CN211427446U - Mining explosion-proof voice alarm

Info

Publication number: CN211427446U
Application number: CN201922248808.2U
Authority: CN
Inventors: 张书丰; 王彦伶; 赵水昌; 张庆全
Original assignee: Handan Zhenquan Mechanical And Electrical Equipment Co ltd
Current assignee: Handan Zhenquan Mechanical And Electrical Equipment Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-09-04
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses a mining flame-proof type voice alarm, which comprises a housin, the circuit board, install at the hold-down mechanism of casing internal surface and install the disassembly body on circuit board top, hold-down mechanism includes spout and sleeve, the internal surface at the casing is established to the spout, the spout is connected with the slider, the rear end at the clamp plate is installed to the slider, the depression bar is installed to the other end of clamp plate, the other end of depression bar is connected with the circuit board, the top of clamp plate is connected with the briquetting, the bottom at the upper cover is installed to the briquetting, the slide bar is installed to the bottom of clamp plate, the slide bar is connected with the sleeve, the sleeve is installed on the top of casing, telescopic surface mounting: through having designed the sleeve of installing on the casing top and establishing at the spout of casing internal surface and with sleeve sliding connection's spring, the circuit board of being convenient for is fixed, and the effectual installation of having avoided the circuit board is inconvenient, leads to the maintenance slow, influences the condition of the use of siren.

Description

Mining explosion-proof voice alarm

Technical Field

The utility model belongs to the technical field of public safety, concretely relates to mining flame-proof type voice alarm.

Background

The alarm is an electronic product which reminds or warns people of taking certain action in the forms of sound, light, air pressure and the like in order to prevent or prevent the consequences caused by certain events, along with the improvement of science and technology, mechanical alarms are increasingly replaced by advanced electronic alarms, are often applied to the fields of system faults, safety precaution, transportation, medical treatment and rescue, emergency relief, induction detection and the like, and are inseparable from social production. The conventional alarm still has various problems and is difficult to meet the actual use requirement.

The utility model discloses a mining flame proof and safe type siren of essence as authorizing the utility model publication number is CN2116783U, its bell alarm device's improvement to the use of current colliery underground main equipment to can replace the mechanical ringing of current battery electric locomotive, but it need use the screw installation when the installation of the circuit board that does not solve the siren, lead to dismantling inconveniently, and change inconveniently after easy messenger's circuit board damages and the sound generating element sound production trouble many times dismouting, influence the problem of the sound production early warning of device, we provide a mining flame proof type voice alarm for this.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mining flame-proof type voice alarm to the circuit board that proposes the siren among the above-mentioned background of solution need use the screw installation when the installation, leads to dismantling inconveniently, and easily makes after many times the dismouting circuit board damage and sound generating component sound production trouble change inconveniently, influences the problem of the sound production early warning of device.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mining flame-proof type voice alarm, includes casing, circuit board, installs at the hold-down mechanism of casing internal surface and installs the disassembly body on circuit board top, hold-down mechanism includes spout and sleeve, the internal surface at the casing is established to the spout, the spout is connected with the slider, the rear end at the clamp plate is installed to the slider, the depression bar is installed to the other end of clamp plate, the other end of depression bar is connected with the circuit board, the top of clamp plate is connected with the briquetting, the bottom at the upper cover is installed to the briquetting, the slide bar is installed to the bottom of clamp plate, the slide bar is connected with the sleeve, the top at the casing is installed to the sleeve, telescopic surface mounting has.

Preferably, the detaching mechanism comprises a base and a sound generating element, the base is installed on the top end of the circuit board, a groove is formed in the inner surface of the base and connected with a fixture block, the fixture block is installed on the outer surface of the sound generating element, a contact rod is installed at the bottom end of the sound generating element and connected with a reed, and the reed is installed on the top end of the circuit board.

Preferably, the front end of the shell is provided with a joint, the inner surface of the shell is provided with a mounting groove, the mounting groove is connected with a circuit board, the top end of the circuit board is provided with an electronic element, the outer surface of the shell is provided with a mounting lug, the top end of the shell is provided with an upper cover, and the top end of the upper cover is provided with a sound hole.

Preferably, the height of the sliding groove is the same as that of the inner surface of the shell, the width of the sliding groove is the same as that of the sliding block, and the sliding groove is in sliding connection with the sliding block.

Preferably, one end of the pressure plate is connected with the shell in a sliding mode, the width of the pressure plate is twice of that of the sliding block, and the cross section of the pressing block is the same as that of the sliding block.

Preferably, the inner surface of the sleeve has a cross-sectional dimension which is the same as the cross-sectional dimension of the slide rod, and the sleeve is slidably connected with the slide rod.

Preferably, the spring is connected with the sleeve in a sliding mode, one end of the spring is connected with the bottom end of the pressing plate, and the other end of the spring is connected with the shell.

Preferably, the section of the reed is U-shaped, the size of the rear end of the reed is the same as that of the feeler lever, the size of the front end of the reed is smaller than that of the feeler lever, and the reed is in sliding connection with the feeler lever.

Preferably, the groove is L-shaped, the width of the bottom end of the groove is twice the width of the fixture block, the width of the top end of the groove is the same as the width of the fixture block, and the groove is in sliding connection with the fixture block.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) through having designed the sleeve of installing on the casing top and establishing at the spout of casing internal surface and with sleeve sliding connection's spring, the circuit board of being convenient for is fixed, and the effectual installation of having avoided the circuit board is inconvenient, leads to the maintenance slow, influences the condition of the use of siren.

(2) Through having designed the base of installing on the circuit board top and installing at the recess of base internal surface and installing the fixture block at the sound generating element surface and be convenient for sound generating element's installation, the effectual dismantlement of having avoided sound generating element is inconvenient, the change is inconvenient, influences the normal use of siren, the condition of early warning in time.

Drawings

FIG. 1 is a schematic perspective view of the alarm of the present invention;

FIG. 2 is a schematic view of the inside three-dimensional structure of the alarm of the present invention;

FIG. 3 is a schematic diagram of the inner top view of the alarm of the present invention;

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

FIG. 5 is a schematic view of a rotary cross-section of the alarm of the present invention;

in the figure: 1. a housing; 2. a joint; 3. an upper cover; 4. a sound hole; 5. installing a lug; 6. a chute; 7. A slider; 8. a spring; 9. pressing a plate; 10. a pressure lever; 11. mounting grooves; 12. a circuit board; 13. an electronic component; 14. a base; 15. a groove; 16. a sound emitting element; 17. a clamping block; 18. a reed; 19. a sleeve; 20. a slide bar; 21. briquetting; 22. a feeler lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a mining flame-proof type voice alarm, which comprises a housin 1, circuit board 12, install at the hold-down mechanism of 1 internal surface of casing and install the disassembly body on circuit board 12 top, hold-down mechanism includes spout 6 and sleeve 19, spout 6 establishes the internal surface at casing 1, spout 6 is connected with slider 7, slider 7 installs the rear end at clamp plate 9, depression bar 10 is installed to the other end of clamp plate 9, the other end of depression bar 10 is connected with circuit board 12, the top of clamp plate 9 is connected with briquetting 21, briquetting 21 is installed in the bottom of upper cover 3, slide bar 20 is installed to the bottom of clamp plate 9, slide bar 20 is connected with sleeve 19, sleeve 19 installs the top at casing 1, sleeve 19's externally mounted has spring 8.

In order to facilitate replacement of the sound generating element 16, in this embodiment, preferably, the detaching mechanism includes a base 14 and the sound generating element 16, the base 14 is mounted at the top end of the circuit board 12, the inner surface of the base 14 is provided with a groove 15, the groove 15 is connected with a latch 17, the latch 17 is mounted on the outer surface of the sound generating element 16, the bottom end of the sound generating element 16 is provided with a contact rod 22, the contact rod 22 is connected with a reed 18, and the reed 18 is mounted at the top end of the circuit board 12.

In order to facilitate the transmission of sound, in this embodiment, preferably, the front end of the casing 1 is provided with the connector 2, the inner surface of the casing 1 is provided with the mounting groove 11, the mounting groove 11 is connected to the circuit board 12, the top end of the circuit board 12 is provided with the electronic component 13, the outer surface of the casing 1 is provided with the mounting lug 5, the top end of the casing 1 is provided with the upper cover 3, and the top end of the upper cover 3 is provided with the sound hole 4.

In order to prevent the pressing plate 9 from rotating, in the present embodiment, preferably, the height of the sliding groove 6 is the same as the height of the inner surface of the housing 1, the width of the sliding groove 6 is the same as the width of the sliding block 7, and the sliding groove 6 is connected with the sliding block 7 in a sliding manner.

In order to facilitate the movement of the pressing plate 9, in the present embodiment, it is preferable that one end of the pressing plate 9 is slidably connected to the housing 1, the width of the pressing plate 9 is twice the width of the slider 7, and the cross-sectional dimension of the pressing block 21 is the same as the cross-sectional dimension of the slider 7.

In order to ensure that the pressure plate 9 can translate, in the present embodiment, it is preferable that the inner surface of the sleeve 19 has a cross-sectional dimension identical to that of the sliding rod 20, and the sleeve 19 is slidably connected to the sliding rod 20.

In order to facilitate the spring 8 to push the pressing plate 9 upwards when the upper cover 3 is removed, in the embodiment, preferably, the spring 8 is slidably connected with the sleeve 19, one end of the spring 8 is connected with the bottom end of the pressing plate 9, and the other end of the spring 8 is connected with the casing 1.

In order to fix the contact rod 22, in this embodiment, it is preferable that the cross-sectional shape of the spring 18 is a U shape, the size of the rear end of the spring 18 is the same as that of the contact rod 22, the size of the front end of the spring 18 is smaller than that of the contact rod 22, and the spring 18 is slidably connected with the contact rod 22.

In order to fix the sound element 16, in the present embodiment, it is preferable that the groove 15 is L-shaped, the width of the bottom end of the groove 15 is twice the width of the latch 17, the width of the top end of the groove 15 is the same as the width of the latch 17, and the groove 15 is slidably connected to the latch 17.

The utility model discloses a theory of operation and use flow: when the device is installed, a circuit board 12 is placed in an installation groove 11, an upper cover 3 is covered, a pressing block 21 at the bottom end of the upper cover 3 is connected with a sliding groove 6, the upper cover 3 is pressed, the pressing block 21 is driven by the movement of the upper cover 3 to move, a sliding block 7 is driven by the movement of the pressing block 21, a pressing plate 9 is driven by the movement of the sliding block 7, a sliding rod 20 is driven by the movement of the pressing plate 9 to slide in a sleeve 19, so that the pressing plate 9 can move horizontally, the pressing plate 9 drives a pressing rod 10 to move, the circuit board 12 is fixed in the installation groove 11 by the pressing rod 10, the spring 8 is extruded by the pressing plate 9 at the same time, the spring 8 is in a compression state, and after the upper cover 3 is removed, the pressing plate 9 is pushed by the spring 8 to move upwards, so that the pressing rod 10 does not extrude the circuit board 12 any more; when sound generating component 16 needs to be changed, sound generating component 16 is rotated, the rotation of sound generating component 16 drives the rotation of fixture block 17, thereby make fixture block 17 rotate the other end of recess 15 from the one end of recess 15, simultaneously sound generating component 16's rotation mobilizes the rotation of feeler lever 22, make feeler lever 22 rotate the opening part of reed 18, thereby make sound generating component 16 can have the slip degree of freedom with base 14, thereby be convenient for sound generating component 16's change, the effectual dismantlement of having avoided sound generating component 16 is inconvenient, it is inconvenient to change, influence the normal use of siren, the condition of early warning in time can not be realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mining flame-proof type voice alarm, includes casing (1), circuit board (12), installs hold-down mechanism at casing (1) internal surface and installs the disassembly body on circuit board (12) top, its characterized in that: hold-down mechanism includes spout (6) and sleeve (19), the internal surface at casing (1) is established in spout (6), spout (6) are connected with slider (7), the rear end at clamp plate (9) is installed in slider (7), depression bar (10) are installed to the other end of clamp plate (9), the other end of depression bar (10) is connected with circuit board (12), the top of clamp plate (9) is connected with briquetting (21), the bottom in upper cover (3) is installed in briquetting (21), slide bar (20) are installed to the bottom of clamp plate (9), slide bar (20) are connected with sleeve (19), the top in casing (1) is installed to sleeve (19), the surface mounting of sleeve (19) has spring (8).

2. The mining flame-proof type voice alarm device according to claim 1, characterized in that: detaching mechanism includes base (14) and sound generating component (16), the top at circuit board (12) is installed in base (14), the internal surface of base (14) is equipped with recess (15), recess (15) are connected with fixture block (17), the surface at sound generating component (16) is installed in fixture block (17), feeler lever (22) is installed to the bottom of sound generating component (16), feeler lever (22) are connected with reed (18), the top at circuit board (12) is installed in reed (18).

3. The mining flame-proof type voice alarm device according to claim 1, characterized in that: the front end of casing (1) is equipped with joint (2), the internal surface of casing (1) is equipped with mounting groove (11), mounting groove (11) are connected with circuit board (12), the top of circuit board (12) is equipped with electronic component (13), the surface of casing (1) is equipped with installation auricle (5), upper cover (3) are installed on the top of casing (1), the top of upper cover (3) is equipped with sound hole (4).

4. The mining flame-proof type voice alarm device according to claim 1, characterized in that: the height of the sliding groove (6) is the same as that of the inner surface of the shell (1), the width of the sliding groove (6) is the same as that of the sliding block (7), and the sliding groove (6) is in sliding connection with the sliding block (7).

5. The mining flame-proof type voice alarm device according to claim 1, characterized in that: one end of the pressing plate (9) is connected with the shell (1) in a sliding mode, the width of the pressing plate (9) is twice of that of the sliding block (7), and the cross section of the pressing block (21) is the same as that of the sliding block (7).

6. The mining flame-proof type voice alarm device according to claim 1, characterized in that: the cross-sectional dimension of the inner surface of the sleeve (19) is the same as that of the sliding rod (20), and the sleeve (19) is connected with the sliding rod (20) in a sliding mode.

7. The mining flame-proof type voice alarm device according to claim 1, characterized in that: spring (8) and sleeve (19) sliding connection, the one end of spring (8) is connected with the bottom of clamp plate (9), the other end of spring (8) is connected with casing (1).

8. The mining flame-proof type voice alarm device according to claim 2, characterized in that: the section of the reed (18) is U-shaped, the size of the rear end of the reed (18) is the same as that of the contact rod (22), the size of the front end of the reed (18) is smaller than that of the contact rod (22), and the reed (18) is in sliding connection with the contact rod (22).

9. The mining flame-proof type voice alarm device according to claim 2, characterized in that: the shape of recess (15) is L shape, the width of recess (15) bottom is twice of fixture block (17) width, the width at recess (15) top is the same with fixture block (17) width, sliding connection between recess (15) and fixture block (17).