Locomotive head alarm electric whistle

Abstract

The utility model relates to the technical field of alarm devices, in particular to a locomotive head alarm electric whistle which comprises a base, a lampshade and an auxiliary assembly, the lampshade is installed on the surface of the base, a horn cover is installed on the inner wall of the lampshade, a hanging lug is fixedly connected to the side surface of the base, and the auxiliary assembly is arranged at the joint of the hanging lug and the base and comprises a protective shade. The protective shade is arranged on the surface of the hanging lug, a groove is formed in the side surface of the protective shade, the portion, located on the inner wall of the groove, of the protective shade is fixedly connected with a rubber strip, a clamping groove is formed in the side surface of the base, the protective shade is connected with the inner wall of the clamping groove in an inserted mode, and a rotating hole is formed in the side surface of the protective shade. According to the utility model, the auxiliary assembly and the guide assembly are arranged, so that the fixing bolt of the alarm electric whistle is isolated, the problems that the fixing bolt is in contact with the outside, is easy to corrode by rainwater, and is oxidized and rusted to influence the fixing effect of the alarm electric whistle are reduced, and the stability of the alarm electric whistle in an installation state is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of alarm devices, in particular to an alarm electric whistle on the front of a locomotive. Background Art

[0002] A locomotive is a self-propelled vehicle that pulls or pushes railway vehicles but does not carry any commercial load. It is commonly known as a locomotive. Calculated by the amount of fuel consumed per ton-kilometer of transportation, a locomotive is the land transportation tool with the least energy. A locomotive is generally driven directly or through a transmission device by a power machine such as a steam engine, diesel engine, gas turbine, or traction motor. When the locomotive is running, an alarm whistle will be installed on the locomotive for safety warnings to ensure the safety of the operation.

[0003] Existing technologies include a utility model with announcement number CN210955386U, which discloses an all-weather integrated strong light and sound alarm system. The patent adopts a U-iron supported on a base, a magnetic strip is built into the opening of the U-iron, a core pole plate of an outer voice coil is provided in the upper splint and is crimped onto the magnetic strip, a vibration membrane is provided on the upper splint, a speaker front cover is provided on the vibration membrane, the vibration membrane is crimped in turn, the upper splint is supported on the opening end of the U-iron, a lampshade is provided on the speaker front cover, a recess facing outward in the direction corresponding to the vibration membrane is provided on the lampshade, a hole is opened at the bottom of the recess to connect the vibration membrane and an inner conduit is supported outward on the opening, the inner conduit is connected to the core tube placed in the inner cavity of the recess, the inner cavity of the lampshade is provided with a front light-emitting panel around the circumference of the recess and connected to the side wall of the recess, and the front light-emitting panel is connected inwardly to the side light-emitting panel around the circumference of the recess. It has a compact structure, and integrates the sound alarm and multi-directional luminous alarm functions of the power amplifier. It has low power consumption and high luminous efficiency. It solves the problems of existing products in which the sound system and light system are installed and used separately, the overall alarm sensitivity is low; the light is not eye-catching and the propagation distance is not far; the frequency range is relatively narrow, the sound is unclear, and the penetration is not strong.

[0004] The inventor has found in his daily work that in the process of using the alarm whistle, there is a problem that when the existing alarm whistle, such as the above-mentioned one, is installed, the bolts used for fixing are mostly exposed to the outside. Since the operating area of ​​the locomotive will change, the use environment of the alarm whistle is more complicated. When the locomotive encounters rainy and snowy weather during operation, the bolts exposed to the outside will be corroded by rainwater. After long-term use, the bolts will oxidize and rust, causing damage to the structure itself and affecting its own fixing effect. Summary of the invention

[0005] The utility model aims to solve the problem in the prior art that when a locomotive encounters rain or snow during operation, the bolts exposed to the outside will be corroded by rain water. After long-term use, the bolts will oxidize and rust, causing damage to their structure and thus affecting their fixing effect. The locomotive front alarm electric whistle is proposed.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a locomotive front alarm electric whistle comprises a base, a lampshade and an auxiliary component, the lampshade is mounted on the surface of the base, a horn cover is mounted on the inner wall of the lampshade, a hanging ear is fixedly connected to the side surface of the base, the auxiliary component is arranged at the junction of the hanging ear and the base, the auxiliary component comprises a protective cover, the protective cover is arranged on the surface of the hanging ear, a groove is provided on the side surface of the protective cover, a rubber strip is fixedly connected to the inner wall of the protective cover located in the groove, a card slot is provided on the side surface of the base, the protective cover is plugged with the inner wall of the card slot, a rotating hole is provided on the side surface of the protective cover, an operating knob is rotatably connected to the inner wall of the protective cover located in the rotating hole, a positioning stud is fixedly connected to the side surface of the operating knob, a pressure plate is fixedly connected to the side surface of the protective cover, the pressure plate abuts against the surface of the operating knob, a threaded groove is provided on the side surface of the hanging ear, and the positioning stud is threadedly connected to the inner wall of the threaded groove.

[0007] Preferably, there are two protective covers, which are symmetrically arranged about the base, and the rubber strip abuts against the inner wall of the slot. The protective cover can protect the hanging ear to isolate the hanging ear from contact with the external environment, thereby protecting the bolts installed at the hanging ear.

[0008] Preferably, there are two operating knobs, which are symmetrically arranged with respect to the base. The operating knobs allow the installer to rotate the positioning stud, thereby facilitating tightening the positioning stud.

[0009] Preferably, the positioning stud is rotatably connected to the inner wall of the rotating hole, and the positioning stud passes through the inner wall of the protective cover. Through the cooperation between the positioning stud and the thread groove, the position of the protective cover can be restricted on the hanging ear, thereby realizing the protective function of the protective cover on the hanging ear.

[0010] Preferably, a guide assembly is provided on the surface of the base, and the guide assembly includes a guide plate, a guide groove is provided on the surface of the base, the guide plate is slidably connected to the inner wall of the guide groove, a limiting block is fixedly connected to the surface of the guide plate, a mounting groove is provided on the surface of the guide plate, a positive magnetic strip is fixedly connected to the inner wall of the guide plate located at the mounting groove, a fixing groove is provided on the inner wall of the base located at the assembly groove, a negative magnetic strip is fixedly connected to the inner wall of the base located at the fixing groove, the negative magnetic strip abuts against the surface of the positive magnetic strip, and the movement direction of the protective shield can be guided by the cooperation of the guide plate and the guide groove to improve the stability of the protective shield in a moving state.

[0011] Preferably, a notch is provided on the surface of the guide plate, and there are two limit blocks, which are symmetrically arranged with respect to the guide plate in the upper and lower directions. The limit blocks are slidably connected to the inner wall of the assembly groove, and the maximum movement distance of the guide plate can be limited by the cooperation between the limit blocks and the assembly groove, thereby ensuring that the position of the guide plate is within the assembly groove.

[0012] Preferably, there are two positive magnetic strips, which are symmetrically arranged about the guide plate. The position of the guide plate can be restricted by the cooperation between the positive magnetic strip and the negative magnetic strip, thereby reducing the probability of free movement of the guide plate.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] In the utility model, by setting auxiliary components and guide components, when the alarm whistle is working, the alarm whistle is energized, its light flashes through the lampshade, and at the same time, the alarm sound is sent out through the speaker cover, and the light is used to warn people along the line; after the alarm whistle is installed in the installation area, the protective cover is pushed, and the protective cover pushes the guide plate, and the guide plate guides the moving direction of the protective cover with the assistance of the limit block and the assembly groove, and at the same time, the operating knob pushes the positioning stud under the action of the limit mask, and when the positioning stud is inserted into the threaded hole, the operating knob is rotated, and the operating knob is rotated. The operating knob drives the positioning stud to rotate, and the positioning stud engages with the threaded groove, and cooperates with the operating knob to push the protective cover. During the movement of the protective cover, the rubber strip is pushed into the card slot. When the positioning stud is tightened, the position of the protective cover can be limited, and then the assembly operation of the protection structure is completed. By setting auxiliary components and guide components, the fixing bolts of the alarm siren are isolated, thereby reducing the contact between the fixing bolts and the outside world, which is easy to be corroded by rainwater, and oxidized and rusted, affecting the fixing effect itself, and further improving the stability of the alarm siren in the installed state. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model provides a three-dimensional structural diagram of the locomotive front warning electric whistle;

[0016] Figure 2 This is a schematic diagram of the upward structure of the locomotive front warning electric whistle proposed by the utility model;

[0017] Figure 3 The utility model provides a partial structural diagram of the locomotive front warning electric whistle;

[0018] Figure 4 The utility model proposes a locomotive front warning electric whistle Figure 3 Schematic diagram of the structure at A in the middle;

[0019] Figure 5The utility model proposes a locomotive front warning electric whistle Figure 3 Schematic diagram of the structure at B in the middle

[0020] Figure 6 The utility model provides a partial structural schematic diagram of a locomotive front warning electric whistle.

[0021] Legend:

[0022] 1. Base; 2. Lamp cover; 3. Speaker cover; 4. Ear; 5. Auxiliary component; 51. Protective cover; 52. Rubber strip; 53. Card slot; 54. Operating knob; 55. Positioning stud; 56. Pressure plate; 57. Threaded groove; 6. Guide component; 61. Assembly groove; 62. Guide plate; 63. Limit block; 64. Positive magnetic strip; 65. Negative magnetic strip. DETAILED DESCRIPTION

[0023] See also Figure 1-6 The utility model provides a technical solution: a locomotive front alarm electric whistle includes a base 1, a lampshade 2 and an auxiliary component 5, the lampshade 2 is installed on the surface of the base 1, a horn cover 3 is installed on the inner wall of the lampshade 2, a hanging ear 4 is fixedly connected to the side surface of the base 1, the auxiliary component 5 is arranged at the connection between the hanging ear 4 and the base 1, and a guide component 6 is arranged on the surface of the base 1.

[0024] The specific configuration and functions of the auxiliary component 5 and the guide component 6 will be described in detail below.

[0025] In this embodiment: the auxiliary component 5 includes a protective mask 51, which is arranged on the surface of the ear 4, and a groove is provided on the side surface of the protective mask 51. The protective mask 51 is fixedly connected to the inner wall of the groove with a rubber strip 52, and a card slot 53 is provided on the side surface of the base 1. The protective mask 51 is plugged into the inner wall of the card slot 53, and a rotating hole is provided on the side surface of the protective mask 51. The protective mask 51 is rotatably connected to the inner wall of the rotating hole of the protective mask 51. The side surface of the operating knob 54 is fixedly connected with a positioning stud 55, and the side surface of the operating knob 54 is fixedly connected with a pressure plate 56, which abuts against the surface of the operating knob 54, and a threaded groove 57 is provided on the side surface of the ear 4. The positioning stud 55 is threadedly connected to the inner wall of the threaded groove 57.

[0026] Specifically, there are two protective covers 51, which are symmetrically arranged about the base 1, and the rubber strip 52 is in contact with the inner wall of the slot 53. The protective cover 51 can protect the hanging ear 4 to isolate the hanging ear 4 from the external environment, thereby protecting the bolts installed at the hanging ear 4.

[0027] Specifically, there are two operating knobs 54 , and the two operating knobs 54 are disposed symmetrically with respect to the base 1 .

[0028] In this embodiment, the installation personnel can rotate the positioning stud 55 by operating the knob 54 , thereby facilitating tightening the positioning stud 55 .

[0029] Specifically, the positioning stud 55 is rotatably connected to the inner wall of the rotating hole, and the positioning stud 55 passes through the inner wall of the protective cover 51. Through the cooperation between the positioning stud 55 and the threaded groove 57, the position of the protective cover 51 can be limited on the hanging ear 4, thereby realizing the protective function of the protective cover 51 on the hanging ear 4.

[0030] In this embodiment: the guide assembly 6 includes a guide plate 62, a guide groove is provided on the surface of the base 1, the guide plate 62 is slidably connected to the inner wall of the guide groove, the surface of the guide plate 62 is fixedly connected to the limit block 63, the surface of the guide plate 62 is provided with a mounting groove, the guide plate 62 is located on the inner wall of the mounting groove and is fixedly connected with a positive magnetic strip 64, the inner wall of the base 1 located at the assembly groove 61 is provided with a fixed groove, the inner wall of the base 1 located at the fixed groove is fixedly connected with a negative magnetic strip 65, and the negative magnetic strip 65 is in contact with the surface of the positive magnetic strip 64.

[0031] In this embodiment, the moving direction of the protective shield 51 can be guided by the cooperation between the guide plate 62 and the guide groove, so as to improve the stability of the protective shield 51 in the moving state.

[0032] Specifically, a groove is provided on the surface of the guide plate 62, and there are two limit blocks 63. The two limit blocks 63 are symmetrically arranged about the guide plate 62, and the limit blocks 63 are slidably connected to the inner wall of the assembly groove 61. Through the cooperation between the limit blocks 63 and the assembly groove 61, the maximum movement distance of the guide plate 62 can be limited, thereby ensuring that the position of the guide plate 62 is within the assembly groove 61.

[0033] Specifically, there are two positive pole magnetic strips 64 , and the two positive pole magnetic strips 64 are vertically symmetrically arranged with respect to the guide plate 62 .

[0034] In this embodiment, the position of the guide plate 62 can be restricted by the cooperation between the positive pole magnetic strip 64 and the negative pole magnetic strip 65, thereby reducing the probability of the guide plate 62 moving freely.

[0035] Working principle: When the alarm siren is working, the alarm siren is powered on, and its light flashes through the lampshade 2. At the same time, the alarm sound is sent out through the speaker cover 3, and the light is used to warn people along the line; after the alarm siren is installed in the installation area, the protective cover 51 is pushed, and the protective cover 51 pushes the guide plate 62. The guide plate 62 guides the moving direction of the protective cover 51 with the assistance of the limit block 63 and the assembly groove 61. At the same time, the operating knob 54 pushes the positioning stud 55 under the action of the limit cover. When the positioning stud 55 is inserted into the threaded hole, the operating knob 54 is rotated, and the operating knob 54 drives the positioning stud 55 to rotate. The positioning stud 55 rotates, and the positioning stud 55 engages with the threaded groove 57, and cooperates with the operating knob 54 to push the protective cover 51. During the movement, the protective cover 51 pushes the rubber strip 52 into the card slot 53. When the positioning stud 55 is tightened, the position of the protective cover 51 can be limited, and the assembly operation of the protection structure is completed. By setting the auxiliary component 5 and the guide component 6, the fixing bolts of the alarm siren are isolated, thereby reducing the contact between the fixing bolts and the outside world, making them easy to be corroded by rainwater, and causing oxidation and rusting that affects their own fixing effect, and further improving the stability of the alarm siren in the installed state.

Claims

1. A locomotive front warning electric whistle, comprising a base (1), a lampshade (2) and an auxiliary component (5), characterized in that: The lampshade (2) is mounted on the surface of the base (1); a speaker cover (3) is mounted on the inner wall of the lampshade (2); a hanging ear (4) is fixedly connected to the side surface of the base (1); the auxiliary component (5) is arranged at the junction of the hanging ear (4) and the base (1); the auxiliary component (5) comprises a protective shield (51); the protective shield (51) is arranged on the surface of the hanging ear (4); a groove is provided on the side surface of the protective shield (51); a rubber strip (52) is fixedly connected to the inner wall of the protective shield (51) located in the groove; and a card slot (53) is provided on the side surface of the base (1). The protective cover (51) is plugged into the inner wall of the slot (53); a rotating hole is provided on the side surface of the protective cover (51); an operating knob (54) is rotatably connected to the inner wall of the rotating hole of the protective cover (51); a positioning stud (55) is fixedly connected to the side surface of the operating knob (54); a pressure plate (56) is fixedly connected to the side surface of the protective cover (51); the pressure plate (56) abuts against the surface of the operating knob (54); a threaded groove (57) is provided on the side surface of the hanging ear (4); and the positioning stud (55) is threadedly connected to the inner wall of the threaded groove (57).

2. The locomotive front warning electric whistle according to claim 1, characterized in that: The number of the protective shields (51) is two, and the two protective shields (51) are disposed symmetrically with respect to the base (1), and the rubber strip (52) abuts against the inner wall of the card slot (53).

3. The locomotive front warning electric whistle according to claim 1, characterized in that: The number of the operating knobs (54) is two, and the two operating knobs (54) are arranged in a left-right symmetrical manner with respect to the base (1).

4. The locomotive front warning electric whistle according to claim 1, characterized in that: The positioning stud (55) is rotatably connected to the inner wall of the rotating hole, and the positioning stud (55) penetrates the inner wall of the protective cover (51).

5. The locomotive front warning electric whistle according to claim 1, characterized in that: The surface of the base (1) is provided with a guide assembly (6), the guide assembly (6) comprising a guide plate (62), the surface of the base (1) is provided with a guide groove, the guide plate (62) is slidably connected to the inner wall of the guide groove, the surface of the guide plate (62) is fixedly connected to a limit block (63), the surface of the guide plate (62) is provided with a mounting groove, the inner wall of the guide plate (62) located at the mounting groove is fixedly connected to a positive magnetic strip (64), the inner wall of the base (1) located at the assembly groove (61) is provided with a fixing groove, the inner wall of the base (1) located at the fixing groove is fixedly connected to a negative magnetic strip (65), and the negative magnetic strip (65) abuts against the surface of the positive magnetic strip (64).

6. The locomotive front warning electric whistle according to claim 5, characterized in that: A notch is provided on the surface of the guide plate (62). There are two limit blocks (63). The two limit blocks (63) are symmetrically arranged with respect to the guide plate (62) in an upper and lower direction. The limit blocks (63) are slidably connected to the inner wall of the assembly groove (61).

7. The locomotive front warning electric whistle according to claim 5, characterized in that: The number of the positive pole magnetic strips (64) is two, and the two positive pole magnetic strips (64) are arranged symmetrically up and down with respect to the guide plate (62).

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