Novel acoustic sensor

Abstract

The utility model discloses a novel acoustic sensor, particularly relates to the technical field of acoustic sensors, and comprises a mounting plate, the top of the mounting plate is provided with an acoustic sensor main body, the top of the mounting plate is provided with a rubber pad on the outer side of the acoustic sensor main body, and the top of the rubber pad is provided with a shell. When the shell is disassembled, the handle can be twisted to drive the connecting rod to rotate, and the limiting block and the rail groove are matched to drive the rotating sleeve to rotate, so that the disc is driven to twist the torsional spring, the clamping block is driven to directly face the connecting groove, and the rubber pad is pulled upwards to move the clamping block out of the connecting groove to finish disassembly, thereby overhauling and maintaining the acoustic sensor main body. According to the device, the rubber pad and the mounting plate can be conveniently and rapidly connected and fixed, overhaul and maintenance are facilitated, the overhaul work efficiency of workers is improved, and practicability is higher; and through the limiting assembly, the connecting rod can be limited and fixed, and the situation that the fixing effect between the mounting plate and the rubber pad is affected by accidental rotation of the connecting rod is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of acoustic sensors, in particular to a novel acoustic sensor. Background Art

[0002] The acoustic sensor is a new electronic system used to detect the army's rifle shooting performance. This new acoustic sensing system has the "target hit and miss" (LOMAH) function to support basic rifle shooting training. The sensor structure includes sensing elements, signal processing circuits, housings and connecting parts, power supplies, and signal output interfaces. When the acoustic sensor is produced, it needs to be encapsulated in a housing to protect the main body of the sensor.

[0003] The patent with announcement number CN219041987U discloses a packaging structure of an acoustic sensor, which aims to solve the technical problem that it is inconvenient to disassemble and repair the packaging structure of the acoustic sensor under the prior art; the packaging structure includes a mounting plate; an acoustic sensor body is arranged at the upper end of the mounting plate, a packaging shell is arranged above the mounting plate, a rubber pad is fixedly installed at the upper end of the mounting plate, a mounting component is arranged on the outside of the packaging shell, and the mounting component is arranged in two groups, a fixed sound tube is fixedly installed on the outside of the packaging shell, a baffle is fixedly installed on the outside of the fixed sound tube, and a connecting component is arranged on the outside of the fixed sound tube; the packaging structure of the acoustic sensor only needs to stably connect the packaging shell and the rubber pad through the setting of the mounting component, and connect the peripherals through the setting of the connecting component, thereby realizing the convenient disassembly, assembly and repair of the packaging structure of the acoustic sensor.

[0004] When the above device is in use, the packaging shell and the mounting plate are connected and fixed by bolts to protect the acoustic sensor body. However, when it is disassembled for maintenance, its connection method is not convenient for quick disassembly and inconvenient to use, which affects the efficiency of workers' maintenance work and has relatively poor practicality. Utility Model Content

[0005] The purpose of the utility model is to provide a new acoustic sensor to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a new type of acoustic sensor, including a mounting plate, an acoustic sensor body is arranged on the top of the mounting plate, a rubber pad is arranged on the top of the mounting plate on the outside of the acoustic sensor body, a shell is arranged on the top of the rubber pad, and fixing mechanisms connected to the mounting plate are symmetrically arranged on the tops of both ends of the rubber pad, and a limiting assembly is arranged in the fixing mechanism, the fixing mechanism includes a connecting tube, and the connecting tube is fixedly installed on the top of the rubber pad, a connecting rod is arranged in the connecting tube, and a handle is connected to the upper end of the connecting rod above the connecting tube, and a card block is symmetrically arranged on the outer wall of the lower end of the connecting rod, and connecting grooves are opened at corresponding positions of the shell, the rubber pad and the top of the mounting plate, and the connecting groove is adapted to the combined structure of the connecting rod and the card block, a limiting groove connected to the connecting groove is arranged in the mounting plate, and the limiting groove is adapted to the card block and the connecting rod, and the card block is located in the limiting groove.

[0007] Furthermore, the fixing mechanism also includes a rotating sleeve, and the rotating sleeve is rotatably installed in the top of the connecting cylinder, the rotating sleeve is arranged on the outside of the connecting rod, the outside of the connecting rod is provided with a disc connected to the bottom of the rotating sleeve, the outside of the rotating sleeve is provided with a torsion spring, and the two ends of the torsion spring are respectively fixedly connected to the connecting cylinder and the disc, the outside of the connecting rod is provided with a baffle and spring 1 under the disc, and the spring 1 is located under the baffle, and a baffle ring is provided on the inner wall of the connecting cylinder under the baffle, the inner wall of the rotating sleeve is symmetrically provided with limit blocks, and the outer wall of the connecting rod is symmetrically provided with rail grooves adapted to the limit blocks, through the fixing mechanism, the outer shell and the mounting plate can be conveniently and quickly connected and fixed, thereby facilitating the inspection and maintenance of the acoustic sensor body, improving the work efficiency of workers' inspection, and being more practical.

[0008] Furthermore, the limiting assembly includes a sliding rod, a sliding groove is provided on one side of the top of the connecting tube, the sliding rod is arranged in the sliding groove, a sliding block and two springs are provided on the outer side of the sliding rod, and the sliding block is located close to the connecting rod, and an insertion rod is connected to one side of the lower end of the sliding block, one end of the insertion rod is inserted into the insertion hole provided on the side wall of the rotating sleeve, and the insertion rod does not contact the torsion spring, and the connecting rod can be limited and fixed by the limiting assembly to prevent accidental rotation from affecting the installation and fixing effect of the outer shell.

[0009] Furthermore, the connecting rod is rotatably connected to the baffle through a bearing, the rotating sleeve is rotatably connected to the disc and the top wall of the connecting cylinder through a bearing, and one end of the spring is fixedly connected to the baffle and the outer shell respectively, so that the connecting rod is connected to the baffle without affecting the rotation of the connecting rod.

[0010] Furthermore, the slider and the insertion rod are combined into an L shape, and the two ends of the spring are respectively fixedly connected to the slider and the inner wall of the slide groove, so that the elastic force of the spring can be used to act on the insertion rod, so that it can be inserted into the socket to restrict and fix the rotating sleeve.

[0011] Furthermore, a sealing groove is provided on the top of the rubber pad, a sealing pad is provided in the sealing groove, and a connecting groove is provided on the top of the sealing pad to improve the sealing performance between the housing and the mounting plate.

[0012] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0013] 1. The utility model uses a fixing mechanism, and when disassembling the shell, the handle can be twisted to drive the connecting rod to rotate, and at the same time cooperate with the limit block and the rail groove to drive the rotating sleeve to rotate, thereby driving the disc to twist the torsion spring, and after driving the card block to face the connecting groove, the rubber pad can be pulled up to move the card block out of the connecting groove, and the disassembly is completed, so as to overhaul and maintain the main body of the acoustic sensor. The device can conveniently and quickly connect and fix the rubber pad and the mounting plate, which is convenient for overhaul and maintenance, improves the overhaul work efficiency of workers, and is more practical;

[0014] 2. The utility model can limit and fix the connecting rod through the limit assembly to prevent the connecting rod from accidentally rotating and affecting the fixing effect between the mounting plate and the rubber pad. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure between the connecting rod, the limit block and the rotating sleeve of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure between the connection groove and the mounting plate of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure between the limit groove and the mounting plate of the utility model;

[0020] Figure 5 This utility model Figure 1 A is a schematic diagram of the enlarged structure of the middle part;

[0021] Figure 6 This utility model Figure 1 Schematic diagram of the enlarged structure of B;

[0022] In the figure: 1. mounting plate; 2. acoustic sensor body; 3. rubber pad; 4. housing; 5. connecting tube; 6. connecting rod; 7. rotating sleeve; 8. disc; 9. torsion spring; 10. baffle; 11. baffle ring; 12. spring one; 13. clamping block; 14. connecting groove; 15. limiting groove; 16. limiting block; 17. rail groove; 18. sliding rod; 19. sliding block; 20. spring two; 21. plug rod; 22. sealing gasket. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figure 1 one Figure 6 A novel acoustic sensor shown in the figure comprises a mounting plate 1, an acoustic sensor body 2 is arranged on the top of the mounting plate 1, a rubber pad 3 is arranged on the top of the mounting plate 1 on the outside of the acoustic sensor body 2, a shell 4 is arranged on the top of the rubber pad 3, fixing mechanisms connected to the mounting plate 1 are symmetrically arranged on the tops of both ends of the rubber pad 3, and a limiting assembly is arranged in the fixing mechanism, the fixing mechanism comprises a connecting tube 5, and the connecting tube 5 is fixedly installed on the top of the rubber pad 3, a connecting rod 6 is arranged in the connecting tube 5, and a handle is connected to the upper end of the connecting rod 6 above the connecting tube 5, and a clamping block 13 is symmetrically arranged on the outer wall of the lower end of the connecting rod 6, and a connecting groove 14 is opened at corresponding positions of the shell 4, the rubber pad 3 and the top of the mounting plate 1, and the connecting groove 14 is adapted to the combined structure of the connecting rod 6 and the clamping block 13, a limiting groove 15 connected to the connecting groove 14 is arranged in the mounting plate 1, and the limiting groove 15 is adapted to the clamping block 13 and the connecting rod 6, and the clamping block 13 is located in the limiting groove 15.

[0025] The cam 7 is provided with a spring 9, and the two ends of the spring 9 are respectively fixedly connected to the connecting tube 5 and the disc 8. A baffle 10 and a spring 12 are provided on the outside of the connecting tube 5 below the disc 8, and the spring 12 is located below the baffle 10. A baffle ring 11 is provided on the inner wall of the connecting tube 5 below the baffle 10. The inner wall of the rotating sleeve 7 is symmetrically provided with limit blocks 16. The outer wall of the connecting rod 6 is symmetrically provided with rail grooves 17 adapted to the limit blocks 16. In the present example, when the rubber pad 3 and the outer shell 4 are connected and fixed, the block 13 and the connecting groove 14 are in a vertical state. The outer shell 4 and the mounting plate 1 can be connected and fixed conveniently and quickly through the fixing mechanism, so as to facilitate the inspection and maintenance of the acoustic sensor body 2, improve the work efficiency of the workers' inspection, and make it more practical. In this example, the limit assembly includes a slide bar 18, a slide groove is provided on one side of the top of the connecting tube 5, the slide bar 18 is arranged in the slide groove, a slider 19 and a spring 20 are sleeved on the outside of the slide bar 18, and the slider 19 is located near the side of the connecting rod 6, and a plug rod 21 is connected to one side of the lower end of the slider 19, one end of the plug rod 21 is inserted into the insertion hole provided on the side wall of the rotating sleeve 7, and the plug rod 21 does not contact the torsion spring 9. Through the limit assembly, the connecting rod 6 can be limited and fixed to prevent accidental rotation from affecting the installation and fixing effect of the housing 4. In this example, the connecting rod 6 is rotatably connected to the baffle 10 through a bearing, and the rotating sleeve 7 is rotatably connected to the disc 8 and the inner top wall of the connecting tube 5 through a bearing, and the two ends of the spring 12 are fixedly connected to the baffle 10 and the housing 4 respectively, so that the connecting rod 6 is connected to the baffle 10 without affecting the rotation of the connecting rod 6. In this example, the slider 19 and the insertion rod 21 are combined into an L shape, and the two ends of the spring 20 are fixedly connected to the slider 19 and the inner wall of the slide groove, respectively, so that the elastic force of the spring 20 acts on the insertion rod 21, so that it is inserted into the insertion hole to restrict and fix the rotating sleeve 7. In this example, a sealing groove is opened on the top of the rubber pad 3, and a sealing gasket 22 is arranged in the sealing groove. A connecting groove 14 is opened on the top of the sealing gasket 22 to improve the sealing between the housing 4 and the mounting plate 1.

[0026] Working principle of the utility model: when in use, when it is necessary to disassemble the housing 4 to inspect the acoustic sensor body 2, the slider 19 can be pulled to slide along the slide rod 18 and squeeze the spring 20. At the same time, the slider 19 will drive the insertion rod 21 to move so that one end of it moves out of the jack. Then, the handle is twisted to drive the connecting rod 6 to rotate, so that the track groove 17 on the connecting rod 6 will drive the limit block 16 to drive the connected rotating sleeve 7 to rotate, and the rotating sleeve 7 will drive the disc 8 to rotate synchronously and twist the torsion spring 9. At the same time, the rotation of the connecting rod 6 will drive the block 13 at the lower end to rotate synchronously, so that the block 13 moves to After it is aligned with the connecting groove 14, pull up the shell 4 to drive the connecting tube 5 to move, and then drive the connecting rod 6 and the block 13 to move out of the connecting groove 14, so that the rubber pad 3 is separated from the mounting plate 1, and the shell 4 is disassembled. After that, the acoustic sensor body 2 can be inspected and processed. When installing the shell 4, the above steps of disassembly can be repeated to twist the handle to drive the connecting rod 6 to move the block 13 to the position corresponding to the connecting groove 14, and then place the two ends of the shell 4 on the top of the rubber pad 3, push the handle to drive the connecting rod 6, and then drive the block 13 to pass through the corresponding connecting groove 14 and insert it into the limit The clamping block 13 is moved to the position perpendicular to the connecting groove 14 in the limiting groove 15, and then the force of twisting the handle is gradually released, so that the clamping block 13 is reset to move to a position perpendicular to the connecting groove 14, and the rotating sleeve 7, the disc 8 and the torsion spring 9 are reset at the same time, and the connecting rod 6 moves downward, which drives the connected baffle 10 to move downward and squeeze the spring 12 until the bottom of the baffle 10 fits the top surface of the baffle ring 11, and the clamping block 13 moves to a position perpendicular to the connecting groove 14 in the limiting groove 15, so that the connection and fixation of the housing 4 and the mounting plate 1 can be completed, and the torsion of the torsion spring 9 will act on the rotating sleeve 7, and be transmitted to the connecting rod 6 to limit it through the cooperation of the limiting block 16 and the rail groove 17. It plays a limiting role, and then releases the force on the slider 19, so that the slider 19 is driven to slide along the slide rod 18 under the elastic force of the spring 20, so that the slider 19 will push the insertion rod 21 to reset and insert it into the corresponding socket on the rotating sleeve 7 to complete the limiting and fixing of the rotating sleeve 7, thereby limiting and fixing the connecting rod 6 in disguised form, avoiding its accidental rotation to affect the installation and fixing effect of the shell 4. The device can conveniently and quickly disassemble or install the shell 4, so as to inspect and repair the acoustic sensor body 2, improve the maintenance efficiency of workers, and is easy to use and more practical.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A novel acoustic sensor, comprising a mounting plate (1), wherein an acoustic sensor body (2) is arranged on the top of the mounting plate (1), characterized in that: A rubber pad (3) is provided on the top of the mounting plate (1) outside the acoustic sensor body (2), a shell (4) is provided on the top of the rubber pad (3), fixing mechanisms connected to the mounting plate (1) are symmetrically provided on the tops of both ends of the rubber pad (3), and a limit assembly is provided in the fixing mechanism, the fixing mechanism comprises a connecting tube (5), and the connecting tube (5) is fixedly installed on the top of the rubber pad (3), a connecting rod (6) is provided in the connecting tube (5), and the upper end of the connecting rod (6) is connected to the top of the connecting tube (5). A handle is provided, and a clamping block (13) is symmetrically provided on the outer wall of the lower end of the connecting rod (6); corresponding positions of the housing (4), the rubber pad (3) and the top of the mounting plate (1) are all provided with connecting grooves (14), and the connecting groove (14) is adapted to the combined structure of the connecting rod (6) and the clamping block (13); a limiting groove (15) connected to the connecting groove (14) is provided in the mounting plate (1), and the limiting groove (15) is adapted to the clamping block (13) and the connecting rod (6), and the clamping block (13) is located in the limiting groove (15).

2. A novel acoustic sensor according to claim 1, characterized in that: The fixing mechanism further comprises a rotating sleeve (7), and the rotating sleeve (7) is rotatably mounted on the top of the connecting tube (5), the rotating sleeve (7) is sleeved on the outside of the connecting rod (6), the outside of the connecting rod (6) is sleeved with a disc (8) connected to the bottom of the rotating sleeve (7), the outside of the rotating sleeve (7) is sleeved with a torsion spring (9), and the two ends of the torsion spring (9) are respectively fixedly connected to the connecting tube (5) and the disc (8), the outside of the connecting rod (6) is sleeved with a baffle (10) and a spring (12) below the disc (8), and the spring (12) is located below the baffle (10), and a baffle ring (11) is provided on the inner wall of the connecting tube (5) below the baffle (10), the inner wall of the rotating sleeve (7) is symmetrically provided with a limit block (16), and the outer wall of the connecting rod (6) is symmetrically provided with a track groove (17) adapted to the limit block (16).

3. A novel acoustic sensor according to claim 2, characterized in that: The limit assembly comprises a slide rod (18), a slide groove is provided on one side of the top of the connecting tube (5), the slide rod (18) is arranged in the slide groove, a slider (19) and a spring (20) are sleeved on the outer side of the slide rod (18), and the slider (19) is located on the side close to the connecting rod (6), and an insertion rod (21) is connected to one side of the lower end of the slider (19), one end of the insertion rod (21) is inserted into a socket provided on the side wall of the rotating sleeve (7), and the insertion rod (21) does not contact the torsion spring (9).

4. The novel acoustic sensor according to claim 2 is characterized in that: The connecting rod (6) is rotatably connected to the baffle (10) via a bearing, the rotating sleeve (7) is rotatably connected to the disc (8) and the inner top wall of the connecting tube (5) via a bearing, and the two ends of the spring (12) are fixedly connected to the baffle (10) and the outer shell (4) respectively.

5. The novel acoustic sensor according to claim 3 is characterized in that: The slider (19) and the insert rod (21) are combined into an L shape, and the two ends of the spring (20) are respectively fixedly connected to the slider (19) and the inner wall of the slide groove.

6. The novel acoustic sensor according to claim 2 is characterized in that: A sealing groove is provided on the top of the rubber pad (3), a sealing pad (22) is provided in the sealing groove, and a connecting groove (14) is provided on the top of the sealing pad (22).

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