Explosion-proof fire-fighting loudspeaker
By designing a structure with a fixed plate, a connecting plate, and a fastening nut on the explosion-proof fire loudspeaker, the problem of limited sound amplification range caused by fixed angle is solved, and multi-angle adjustment and improved sound amplification range are achieved.
Patent Information
- Application Number
- CN202422817337.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-11-19
AI Technical Summary
The existing explosion-proof fire loudspeakers have a fixed angle that cannot be adjusted, which limits the amplification range and reduces their efficiency.
An explosion-proof fire loudspeaker was designed. By setting a fixing plate and a connecting plate on the loudspeaker housing and mounting bracket, multi-angle adjustment is achieved by using fastening nuts. Combined with the structural design of through holes and connecting teeth, flexible angle adjustment is achieved.
It enables multi-angle adjustment of the explosion-proof fire loudspeaker, expands the sound amplification range, and improves usage efficiency.
Smart Images
Figure CN223652365U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of explosion -proof fire loudspeaker, concretely is a kind of explosion -proof fire loudspeaker. BACKGROUND
[0002] Explosion -proof fire loudspeaker is fixed pressure type high pitch horn loudspeaker, it is applicable to install in the explosive gas environment place of containing II C level, T6 temperature group, for on -the -spot broadcasting and amplification.
[0003] However, most of the existing explosion -proof fire loudspeaker is only fixed on wall surface or roof and other objects by bolt, but its angle position setting is more fixed, without the function of adjusting angle, which leads to the explosion -proof sound range of explosion -proof fire loudspeaker being limited, thereby the use efficiency is reduced. SUMMARY
[0004] The utility model aims at providing a kind of explosion -proof fire loudspeaker, to solve the above-mentioned background art mentioned that most of the existing explosion -proof fire loudspeaker is only fixed on wall surface or roof and other objects by bolt, but its angle position setting is more fixed, without the function of adjusting angle, which leads to the explosion -proof sound range of explosion -proof fire loudspeaker being limited, thereby the use efficiency is reduced.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of explosion -proof fire loudspeaker, including loudspeaker shell and the mounting bracket of the loudspeaker shell rear end, the fixed disc is fixedly installed on the both sides of loudspeaker shell outer wall, the fixed rod is fixedly connected on the middle part of fixed disc surface, the inner wall of mounting bracket is fixedly connected with the connecting disc, the connecting disc is rotatably connected on the surface of fixed rod, the fastening nut is provided on the outside of mounting bracket, and the fastening nut is screw-connected on the surface of fixed rod.
[0006] Preferably, the connecting disc and mounting bracket surface are located in the opposite position of fixed rod and are provided with through hole, and the through hole is matched with fixed rod, and the outer wall of fixed rod is in contact with the inner wall of through hole.
[0007] Preferably, the first connecting tooth is arranged on the surface of connecting disc, the second connecting tooth is arranged on the surface of fixed disc, and the second connecting tooth is in contact with the surface of first connecting tooth.
[0008] Preferably, the loudspeaker shell includes face mask and terminal box, the terminal box is fixedly installed on the rear end of face mask, and the fixed disc is fixedly installed on the both sides of terminal box outer wall.
[0009] Preferably, the mounting port is arranged on the surface of face mask, and the loudspeaker body is mounted in the mounting port.
[0010] Beneficial effects
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] Through the design of the above structure, the explosion-proof fire-fighting loudspeaker has a multi-angle adjusting function, thereby improving the explosion-proof sound amplification range of the explosion-proof fire-fighting loudspeaker and improving the use efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 It is a whole structure schematic view of the utility model;
[0014] Fig. 2 It is a cooperation structure schematic view of the fixed disc and the connecting disc of the utility model.
[0015] The correspondence between the annotations of the drawings and the component names in the drawings is as follows:
[0016] 1. loudspeaker shell; 2. face shield; 3. junction box; 4. mounting bracket; 5. fixed disc; 6. connecting disc;
[0017] 7. fastening nut; 8. fixed rod; 9. first connecting tooth; 10. second connecting tooth; 11. through hole;
[0018] 12. mounting port; 13. loudspeaker body. DETAILED DESCRIPTION
[0019] The technical solutions of the utility model will be described clearly and completely in combination with the embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.
[0020] In the description of the utility model, it should be explained that the directions or position relations indicated by the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", "vertical", "horizontal" and the like are the directions or position relations shown in the drawings, and are only for the convenience of describing the invention and simplifying the description, and are not indicative or suggestive of the devices or elements indicated having a specific direction, being constructed and operated in a specific direction, and therefore should not be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and should not be understood as indicative or suggestive of relative importance.
[0021] For example, Figs. 1-2It is a preferred embodiment of the utility model one kind prevent explosion fire-fighting loudspeaker's structural diagram, in this embodiment one kind prevent explosion fire-fighting loudspeaker, including loudspeaker shell 1 and the mounting bracket 4 of setting at the rear end of loudspeaker shell 1, the fixed disc 5 of fixed installation has at loudspeaker shell 1 outer wall both sides, the fixed rod 8 of fixed connection has at the middle part of fixed disc 5 surface, the inner wall of mounting bracket 4 is fixedly connected with the connecting disc 6, the connecting disc 6 is rotatably connected on the surface of fixed rod 8, and the surface rotation of the connecting disc 6 and fixed disc 5 is adhered to realize the adjustment of angle, and after adjustment, the fastening nut 7 is provided outside mounting bracket 4, and the fastening nut 7 is screw-connected on the surface of fixed rod 8, and the locking effect is realized by the fastening nut 7;Through the design of the above structure, the prevent explosion fire-fighting loudspeaker has the adjustment function of multiple angles, so as to improve the explosion-proof sound amplification range of the prevent explosion fire-fighting loudspeaker, and improve the use efficiency.
[0022] In the embodiment, the connecting disc 6 and the mounting bracket 4 are provided with through holes 11 at opposite positions of the fixed rod 8, and the through holes 11 are matched with the fixed rod 8.
[0023] In the embodiment, the connecting disc 6 is provided with a plurality of first connecting teeth 9, and the fixed disc 5 is provided with second connecting teeth 10 matched with the first connecting teeth 9, and the second connecting teeth 10 are in contact with the surface of the first connecting teeth 9, so as to realize the locking effect by the cooperation between the first connecting teeth 9 and the second connecting teeth 10.
[0024] In the embodiment, the loudspeaker shell 1 includes a face mask 2 and a junction box 3, and the junction box 3 is fixedly installed at the rear end of the face mask 2.
[0025] In the embodiment, the face mask 2 is provided with a mounting hole 12, and a loudspeaker body 13 is installed in the mounting hole 12, so as to realize the alarm sound effect by the loudspeaker body 13.
[0026] Working principle
[0027] Specifically, if the direction of the loudspeaker shell 1 needs to be adjusted, the fastening nut 7 is loosened by means of a tool, the first connecting teeth 9 and the second connecting teeth 10 are separated, the loudspeaker shell 1 is adjusted by being pried, and after being adjusted to a proper position, the first connecting teeth 9 and the second connecting teeth 10 are tightly adhered by being tightened, so as to complete the adjustment work.
[0028] The above is further detailed description of the utility model in combination with specific embodiments, and cannot be determined that the utility model specific implementation is limited to these descriptions. For ordinary skilled in the art to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all should be regarded as belonging to the protection scope determined by the claims submitted by the utility model.
Claims
1. An explosion-proof fire loudspeaker, comprising a loudspeaker housing (1) and a mounting bracket (4) disposed at the rear end of the loudspeaker housing (1), characterized in that: The speaker housing (1) has fixed plates (5) fixedly installed on both sides of the outer wall. A fixed rod (8) is fixedly connected to the middle of the surface of the fixed plate (5). A connecting plate (6) is symmetrically fixedly connected to the inner wall of the mounting bracket (4). The connecting plate (6) is rotatably connected to the surface of the fixed rod (8). A fastening nut (7) is provided on the outer side of the mounting bracket (4), and the fastening nut (7) is threadedly connected to the surface of the fixed rod (8).
2. The explosion-proof fire-fighting loudspeaker according to claim 1, characterized in that: The connecting plate (6) and the mounting bracket (4) are both provided with through holes (11) at the opposite position of the fixing rod (8), and the through holes (11) are adapted to the fixing rod (8), and the outer wall of the fixing rod (8) is in contact with the inner wall of the through hole (11).
3. The explosion-proof fire-fighting loudspeaker according to claim 2, characterized in that: The surface of the connecting plate (6) is provided with a plurality of first connecting teeth (9), and the surface of the fixing plate (5) is provided with second connecting teeth (10) that are adapted to the first connecting teeth (9), and the second connecting teeth (10) are in contact with the surface of the first connecting teeth (9).
4. The explosion-proof fire loudspeaker according to claim 1, characterized in that: The speaker housing (1) includes a faceplate (2) and a junction box (3). The junction box (3) is fixedly installed at the rear end of the faceplate (2), and fixed plates (5) are fixedly installed on both sides of the outer wall of the junction box (3).
5. The explosion-proof fire-fighting loudspeaker according to claim 4, characterized in that: The mask (2) has an installation port (12) on its surface, and a speaker body (13) is installed in the installation port (12).