CN214535262U

CN214535262U - Adjustable structure sound source device suitable for building acoustic inspection

Info

Publication number: CN214535262U
Application number: CN202120181214.9U
Authority: CN
Inventors: 徐燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-10-29
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses an adjustable structure sound source device suitable for architectural acoustics inspection, the fixed station of supporting leg has all been welded including bottom four corners position, the mounting groove has been seted up to the top inner wall of fixed station, and the inner wall of mounting groove inserts and is equipped with the lead screw, two threaded sleeve are installed to the screw thread on the lead screw, and just two threaded sleeve's bottom outer wall all welds the slide bar, the spout has been seted up to the bottom inner wall of mounting groove, and the bottom outer wall of two slide bars respectively with the bottom inner wall sliding connection of two spouts, two threaded sleeve's top outer wall has all welded the bracing piece. The utility model discloses can let the sound source box carry out 360 degrees rotation regulation round the rotation axis to can improve the control range of sound source device, and then the diversified inspection demand of adaptation that can be fine, but also can let the sound source box move on the horizontal direction, and through the cooperation of locking spring, gag lever post, lug and C type draw-in groove, can let the installation of sound source box and dismantlement work become simply.

Description

Adjustable structure sound source device suitable for building acoustic inspection

Technical Field

The utility model relates to a building acoustics inspection technical field especially relates to adjustable structure sound source device suitable for building acoustics inspection.

Background

Through retrieval, chinese patent publication No. CN205678385U discloses an adjustable sound source device for building acoustic inspection, which comprises a sound source, a base, a cylinder, a lead screw, a feed nut, a sliding plate, a servo motor, a support rod, and rollers, wherein during adjustment, the servo motor drives the lead screw to rotate, the lead screw converts the rotation motion into the linear motion of the feed nut, thereby driving the sliding plate fixedly connected with the feed nut to move linearly, because the support rod and the sliding plate are hinged, when the sliding plate moves linearly, the three support rods open or tighten along with the rollers, thereby adjusting the height of the sound source. The device simple structure can automatic adjustment height, reduces operating personnel intensity of labour, improves detection efficiency.

The above patents suffer from the following disadvantages: on one hand, the above patent can not carry out 360-degree rotation adjustment, so that the adjustment range of the sound source device is small, the inspection range is limited, diversified inspection requirements can not be well adapted, and the sound source device can not move in the horizontal direction according to requirements; on the other hand, the sound source in the above patent adopts a thread mounting mode, and the mounting and dismounting are troublesome, time-consuming and labor-consuming. We therefore propose an adjustable structural sound source arrangement for acoustic inspection of buildings.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the adjustable structure sound source device who is applicable to building acoustics inspection that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an adjustable structure sound source device suitable for acoustic inspection of buildings comprises a fixed table, wherein supporting legs are welded at four corners of the bottom of the fixed table, a mounting groove is formed in the inner wall of the top of the fixed table, a lead screw is inserted into the inner wall of the mounting groove, two threaded sleeves are installed on the lead screw in a threaded manner, sliding rods are welded on the outer walls of the bottoms of the two threaded sleeves, sliding grooves are formed in the inner wall of the bottom of the mounting groove, the outer walls of the bottoms of the two sliding rods are respectively connected with the inner walls of the bottoms of the two sliding grooves in a sliding manner, supporting rods are welded on the outer walls of the tops of the two threaded sleeves, the outer wall of one side, close to each other, of the two supporting rods is welded with the same reinforcing rib, the outer wall of the top of the two supporting rods is welded with the same rotary box, a transmission shaft and a rotating shaft are sequentially inserted into the inner wall of the rotary box, a driving bevel gear is coaxially sleeved on the transmission shaft, and a driven bevel gear meshed with the driving bevel gear is coaxially sleeved on the rotating shaft, the utility model discloses a sound source box, including sound source box, mounting disc, locking groove, locking spring, two, the one end outer wall that locking spring is close to each other all welds the gag lever post, and the lug has all been welded to one side outer wall that two gag lever posts are close to each other.

Preferably, the one end of lead screw runs through one side inner wall of fixed station, and the one end of transmission shaft runs through one side inner wall of rotatory case, the runner has all been welded to lead screw and transmission shaft one end outer wall, and just one side outer wall of two runners has all been welded the crank.

Preferably, the lead screw is respectively connected with the inner walls of the two sides of the mounting groove through two bearings, the transmission shaft is respectively connected with the inner walls of the two sides of the rotary box through two bearings, and the rotary shaft is connected with the inner wall of the top of the rotary box through the bearings.

Preferably, the top inner wall of the rotary box is provided with an annular limiting groove, and the outer walls of the two limiting columns are connected with the inner wall of the annular limiting groove in a sliding mode.

Preferably, two slide rails are arranged on the inner wall of the bottom of the locking groove, and the outer walls of the bottom ends of the two limiting rods are respectively connected with the inner walls of the bottom of the two slide rails in a sliding manner.

Preferably, the inner walls of the lower parts of the two sides of the connecting block are provided with C-shaped clamping grooves, and one sides of the two lugs, which are close to each other, extend into the two C-shaped clamping grooves respectively.

Preferably, four the bottom outer wall of supporting leg all bonds and has the slipmat, and all cup jointed the rubber antiskid cover on two cranks.

The utility model has the advantages that:

1. the utility model drives two screw sleeves to move in the same direction by the rotation of the lead screw under the limit of two slide bars and a sliding groove, so that the sound source box can move in the horizontal direction, and the sound source box can move in the horizontal direction according to the inspection requirement;

2. the utility model discloses a rotation of transmission shaft drives the rotation of drive bevel gear, and drive bevel gear rotates and drives the driven bevel gear who meshes with it and rotate, and driven bevel gear rotates and drives the rotation axis and rotate, and then the mounting disc can rotate, through the spacing of two spacing posts and annular spacing groove, can let the mounting disc pivoted more stable to can let the sound source box carry out 360 degrees rotation regulation round the rotation axis;

3. the utility model discloses can let the sound source box carry out 360 degrees rotation regulation round the rotation axis, thereby can improve the control range of sound source device, and then the diversified inspection demand of adaptation that can be fine, and can also let the sound source box move on the horizontal direction according to the inspection demand, and through locking spring, the gag lever post, the cooperation of lug and C type draw-in groove is used, can let the installation of sound source box become simply swift with the dismantlement work, time saving and labor saving, and the work efficiency is improved, and elasticity through locking spring, can also carry out the shock attenuation, the stability that the sound source box was placed is further improved.

Drawings

Fig. 1 is a schematic structural diagram of an adjustable structural sound source device suitable for building acoustic inspection according to the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is a schematic view of a three-dimensional structure of the connection between the annular limiting groove and the limiting post in the adjustable structure sound source device suitable for the acoustic inspection of buildings according to the present invention;

fig. 4 is an enlarged schematic structural view of a portion B in fig. 1.

In the figure: the device comprises a fixed table 1, a mounting groove 2, a lead screw 3, a threaded sleeve 4, a sliding rod 5, a sliding groove 6, a supporting rod 7, a reinforcing rib 8, a rotating box 9, a transmission shaft 10, a driving bevel gear 11, a rotating shaft 12, a driven bevel gear 13, a mounting disc 14, a limiting column 15, an annular limiting groove 16, a sound source box 17, a connecting block 18, a locking groove 19, a locking spring 20, a limiting rod 21, a convex block 22, a clamping groove 23C, a sliding rail 24, a rotating wheel 25 and a non-slip mat 26.

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.

Referring to fig. 1-4, an adjustable structure sound source device suitable for building acoustic inspection comprises a fixed table 1 with supporting legs welded at four corners of the bottom, a mounting groove 2 is formed on the inner wall of the top of the fixed table 1, a screw rod 3 is inserted into the inner wall of the mounting groove 2, two threaded sleeves 4 are threadedly mounted on the screw rod 3, slide rods 5 are welded on the outer walls of the bottoms of the two threaded sleeves 4, slide grooves 6 are formed on the inner wall of the bottom of the mounting groove 2, the outer walls of the bottoms of the two slide rods 5 are respectively connected with the inner walls of the bottoms of the two slide grooves 6 in a sliding manner, supporting rods 7 are welded on the outer walls of the tops of the two threaded sleeves 4, the same reinforcing rib 8 is welded on the outer wall of one side, close to each other, of the two supporting rods 7, the same rotary box 9 is welded on the outer wall of the top of the two supporting rods 7, and a transmission shaft 10 and a rotary shaft 12 are sequentially inserted into the inner wall of the rotary box 9, a driving bevel gear 11 is coaxially sleeved on a transmission shaft 10, a driven bevel gear 13 meshed with the driving bevel gear 11 is coaxially sleeved on the rotation shaft 12, a mounting disc 14 is welded on the outer wall of the top end of the rotation shaft 12, a sound source box 17 is placed on the mounting disc 14, a connecting block 18 is welded on the outer wall of the bottom of the sound source box 17, the driving bevel gear 11 is driven to rotate through the rotation of the transmission shaft 10, the driving bevel gear 11 drives the driven bevel gear 13 meshed with the driving bevel gear to rotate, the driven bevel gear 13 drives the rotation shaft 12 to rotate, the mounting disc 14 can be more stably rotated through the limiting of two limiting columns 15 and an annular limiting groove 16, and the sound source box 17 can be rotatably adjusted by 360 degrees around the rotation shaft 12;

the inner wall of the top of the mounting disc 14 is provided with a locking groove 19, the inner walls of two sides of the locking groove 19 are welded with locking springs 20, the outer wall of one end of each of the two locking springs 20, which is close to each other, is welded with a limiting rod 21, the outer wall of one side of each of the two limiting rods 21, which is close to each other, is welded with a bump 22, one end of the lead screw 3 penetrates through the inner wall of one side of the fixed table 1, one end of the transmission shaft 10 penetrates through the inner wall of one side of the rotary box 9, the outer walls of one side of the lead screw 3 and one end of the transmission shaft 10 are welded with rotating wheels 25, the outer walls of one side of the two rotating wheels 25 are welded with cranks, the lead screw 3 is respectively connected with the inner walls of two sides of the mounting groove 2 through two bearings, the transmission shaft 10 is respectively connected with the inner walls of two sides of the rotary box 9 through two bearings, the rotary shaft 12 is connected with the inner wall of the top of the rotary box 9 through a bearing, the inner wall of the top of the rotary box 9 is provided with an annular limiting groove 16, and the outer walls of two limiting columns 15 are both slidably connected with the inner wall of the annular limiting groove 16, two slide rails 24 are arranged on the inner wall of the bottom of the locking groove 19, the outer walls of the bottom ends of the two limiting rods 21 are respectively connected with the inner walls of the bottom of the two slide rails 24 in a sliding manner, the inner walls of the lower parts of the two sides of the connecting block 18 are respectively provided with a C-shaped clamping groove 23, one side, close to each other, of each of the two convex blocks 22 extends into the two C-shaped clamping grooves 23, anti-slip pads 26 are bonded on the outer walls of the bottom of the four supporting legs, rubber anti-slip sleeves are sleeved on the two cranks, under the limiting of the two slide bars 5 and the sliding groove 6, the two threaded sleeves 4 are driven to move in the same direction through the rotation of the lead screw 3, and then the sound source box 17 can move in the horizontal direction, so that the sound source box 17 can move in the horizontal direction according to the inspection requirement, and the installation and disassembly work of the sound source box 17 can become simple and rapid through the matching of the locking spring 20, the limiting rods 21, the convex blocks 22 and the C-shaped clamping grooves 23, labour saving and time saving improves work efficiency, and through locking spring 20's elasticity, can also carry out the shock attenuation moreover, has further improved the stability that sound source box 17 placed.

The working principle is as follows: under the limit of the two sliding rods 5 and the sliding groove 6, the rotation of the screw rod 3 drives the two threaded sleeves 4 to move in the same direction, then the two supporting rods 7 can drive the rotary box 9 to move, further the rotary box 9 moves to drive the mounting disc 14 to move, and the mounting disc 14 moves to drive the sound source box 17 to move in the horizontal direction; the driving bevel gear 11 is driven to rotate by the rotation of the transmission shaft 10, the driving bevel gear 11 drives the driven bevel gear 13 meshed with the driving bevel gear to rotate, the driven bevel gear 13 rotates to drive the rotating shaft 12 to rotate, the mounting disc 14 can further rotate, the mounting disc 14 can rotate more stably by the limiting of the two limiting columns 15 and the annular limiting groove 16, and therefore the sound source box 17 can rotate 360 degrees around the rotating shaft 12; the rotation of lead screw 3 and transmission shaft 10 all is through rotating the crank that corresponds and drive runner 25 and rotate, the runner 25 that corresponds rotates at drive lead screw 3 or transmission shaft 10, and through locking spring 20, gag lever post 21, the cooperation of lug 22 and C type draw-in groove 23 is used, can let the installation of sound source box 17 become simple swift with the dismantlement work, time saving and labor saving, and the work efficiency is improved, and through locking spring 20's elasticity, can also carry out the shock attenuation, the stability that sound source box 17 placed has further been improved.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An adjustable structure sound source device suitable for building acoustic inspection comprises a fixed table (1) with supporting legs welded at the positions of four corners at the bottom, and is characterized in that a mounting groove (2) is formed in the inner wall of the top of the fixed table (1), a lead screw (3) is inserted into the inner wall of the mounting groove (2), two threaded sleeves (4) are installed on the lead screw (3) in a threaded mode, slide rods (5) are welded on the outer walls of the bottoms of the two threaded sleeves (4), slide grooves (6) are formed in the inner wall of the bottom of the mounting groove (2), the outer walls of the bottoms of the two slide rods (5) are respectively in sliding connection with the inner walls of the bottoms of the two slide grooves (6), supporting rods (7) are welded on the outer wall of the top of the two threaded sleeves (4), the same reinforcing rib (8) is welded on the outer wall of one side, close to each other, of the two supporting rods (7), and the same rotary box (9) is welded on the outer wall of the top of the two supporting rods (7), a transmission shaft (10) and a rotating shaft (12) are sequentially inserted into the inner wall of the rotating box (9), a driving bevel gear (11) is coaxially sleeved on the transmission shaft (10), a driven bevel gear (13) meshed with the driving bevel gear (11) is coaxially sleeved on the rotating shaft (12), a mounting disc (14) is welded on the outer wall of the top end of the rotating shaft (12), a sound source box (17) is arranged on the mounting disc (14), a connecting block (18) is welded on the outer wall of the bottom of the sound source box (17), a locking groove (19) is formed in the inner wall of the top of the mounting disc (14), and the inner walls of the two sides of the locking groove (19) are respectively welded with a locking spring (20), the outer wall of one end of each locking spring (20) close to each other is respectively welded with a limiting rod (21), and the outer wall of one side of the two limiting rods (21) close to each other is welded with a convex block (22).

2. The adjustable structure sound source device suitable for building acoustic inspection according to claim 1, wherein one end of the screw rod (3) penetrates through one side inner wall of the fixed platform (1), one end of the transmission shaft (10) penetrates through one side inner wall of the rotary box (9), the outer walls of one ends of the screw rod (3) and the transmission shaft (10) are welded with rotating wheels (25), and the outer walls of one sides of the two rotating wheels (25) are welded with cranks.

3. The adjustable structural sound source device suitable for acoustic inspection of buildings according to claim 1, wherein the screw rod (3) is connected with both side inner walls of the installation groove (2) through two bearings, respectively, and the transmission shaft (10) is connected with both side inner walls of the rotary box (9) through two bearings, respectively, and the rotation shaft (12) is connected with the top inner wall of the rotary box (9) through a bearing.

4. The adjustable structural sound source device suitable for building acoustic inspection according to claim 1, wherein the top inner wall of the rotating box (9) is provided with an annular limiting groove (16), and the outer walls of the two limiting columns (15) are slidably connected with the inner wall of the annular limiting groove (16).

5. The adjustable structural sound source device suitable for building acoustic inspection according to claim 1, wherein the bottom inner wall of the locking groove (19) is provided with two sliding rails (24), and the bottom outer walls of the two limiting rods (21) are respectively connected with the bottom inner walls of the two sliding rails (24) in a sliding manner.

6. The adjustable structural sound source device suitable for building acoustic inspection according to claim 1, wherein the inner walls of the lower parts of the two sides of the connecting block (18) are both provided with C-shaped clamping grooves (23), and one sides of the two protrusions (22) close to each other extend into the two C-shaped clamping grooves (23) respectively.

7. The adjustable structural sound source device suitable for building acoustic inspection according to claim 1, wherein the outer walls of the bottoms of the four supporting legs are respectively bonded with a non-slip mat (26), and the two crank handles are respectively sleeved with a rubber non-slip mat.