CN212059093U - Positioning device for sound level meter - Google Patents

Positioning device for sound level meter Download PDF

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Publication number
CN212059093U
CN212059093U CN202020888316.XU CN202020888316U CN212059093U CN 212059093 U CN212059093 U CN 212059093U CN 202020888316 U CN202020888316 U CN 202020888316U CN 212059093 U CN212059093 U CN 212059093U
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China
Prior art keywords
level meter
sound level
movable sleeve
hinged
rod
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CN202020888316.XU
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Chinese (zh)
Inventor
苟志波
张虎虎
姜涛
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Jiaotong Railway Inspection and Certification Center Chengdu Co Ltd JRCC
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Jiaotong Railway Inspection and Certification Center Chengdu Co Ltd JRCC
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Abstract

The utility model discloses a sound level meter positioner relates to noise monitoring technical field, and its technical scheme main points are: the device comprises a placing table, a supporting rod and a movable sleeve, wherein the placing table is fixedly connected with the top end of the supporting rod, and the movable sleeve is sleeved with the supporting rod; the bottom end of the movable sleeve is rotatably connected with a plurality of supporting foot frames, and the supporting foot frames are uniformly distributed along the circumferential direction of the movable sleeve; the bottom end of the support rod, which extends out of the opening at the bottom end of the movable sleeve, is hinged with a plurality of hinged rods, the hinged rods and the support foot rests are arranged in a one-to-one correspondence manner, and the other ends of the hinged rods are hinged with the inner sides of the corresponding support foot rests; can the stable support sound level meter for the sound level meter reduces the error in long-time test procedure, and easy operation is dismantled in the installation, has improved the work efficiency that the sound level meter tested, and positioner volume miniaturization, light-duty weight change conveniently go out to carry the use.

Description

Positioning device for sound level meter
Technical Field
The utility model relates to a noise monitoring technology field, more specifically say, it relates to sound level meter positioner.
Background
The sound level meter is the most basic noise measuring instrument, which is an electronic instrument, but is different from objective electronic instruments such as a voltmeter and the like. When the acoustic signal is converted into the electric signal, the time characteristic of the response speed of the human ear to the acoustic wave can be simulated; there are characteristics of different sensitivity and intensity characteristics that change characteristics at different loudness. The sound level meter can be widely used for industrial noise measurement and environmental noise measurement of various machines, vehicles, ships, electrical appliances and the like, and is suitable for the field of sound test of departments such as factory enterprises, architectural design, environmental protection, labor sanitation, transportation, teaching, medical sanitation, scientific research and the like.
At present, when a sound level meter is used for measuring, an instrument selects a correct gear according to conditions, two hands hold two sides of the sound level meter flatly, a microphone points to a measured sound source, an extension cable and an extension rod can be used, the influence of the appearance of the sound level meter and a human body on measurement is reduced, and the position of the microphone is determined according to relevant regulations. The handheld sound level meter detects, and arm fatigue shakes and easily produces great precision error, is unfavorable for long-term the use. Some sound level meter location fixing device have appeared on the market, however most of these kind of location fixing device are designed for specific operating mode, and difficult dismantlement installation, adaptability is relatively poor. A small part of the positioning and fixing devices are limited by the weight of the counterweight base, so that the carrying is inconvenient and the popularization and the application are difficult.
Therefore, how to design a sound level meter positioning device which is simple in mounting and dismounting operation and convenient to carry is a problem which needs to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sound level meter positioner can the stable support sound level meter for the sound level meter reduces the error in long-time test procedure, and easy operation is dismantled in the installation, has improved the work efficiency of sound level meter test, and positioner volume miniaturization, light in weight change conveniently go out to carry the use.
The above technical purpose of the present invention can be achieved by the following technical solutions: the sound level meter positioning device comprises a placing table, a supporting rod and a movable sleeve, wherein the placing table is fixedly connected with the top end of the supporting rod, and the movable sleeve is sleeved with the supporting rod; the bottom end of the movable sleeve is rotatably connected with a plurality of supporting foot frames, and the supporting foot frames are uniformly distributed along the circumferential direction of the movable sleeve; the bottom of the support rod, which extends out of the bottom opening of the movable sleeve, is hinged with a plurality of hinged rods, the hinged rods and the support foot frames are arranged in a one-to-one correspondence mode, and the other ends of the hinged rods are hinged with the inner sides of the corresponding support foot frames.
By adopting the technical scheme, when the positioning device is used, the movable sleeve is firmly held, the supporting rod applies downward pressure along the axial direction of the movable sleeve, and the hinged rod is driven to rotate in the downward movement process of the supporting rod, so that the supporting foot frame is driven to be opened in a diverging manner; after the use, the direction of the supporting rod is operated, so that the supporting foot frames are folded to be in a mutually parallel state; place the sound level meter and place the bench, can the stable support sound level meter for the sound level meter reduces the error in long-time test procedure, and easy operation is dismantled in the positioner installation, has improved the work efficiency that the sound level meter tested, and positioner volume miniaturization, light in weight change conveniently go out to carry the use.
The utility model discloses further set up to: the support rod is provided with a first elastic buckle and a second elastic buckle, and the movable sleeve penetrates through a clamping hole which can be in inserting fit with the first elastic buckle and the second elastic buckle; when the plurality of supporting foot frames are folded to be in a mutually parallel state, the second elastic buckle is inserted into the clamping hole; when a plurality of hinged rods are opened and are in the same plane state, the first elastic buckle is inserted in the clamping hole.
Through adopting above-mentioned technical scheme, utilize first bullet to detain, the second bullet is detained and is pegged graft the cooperation with the card hole, has strengthened the steadiness of positioner when supporting the use and carrying.
The utility model discloses further set up to: the end part of the supporting foot rest far away from the movable sleeve is arranged in a pointed end manner.
Through adopting above-mentioned technical scheme, the pointed end sets up the frictional resistance that has increased between supporting foot rest and ground for positioner location support is more stable.
The utility model discloses further set up to: the support rod comprises a telescopic inner rod and a telescopic outer barrel, the telescopic inner rod is movably inserted into the telescopic outer barrel, and a fixing bolt capable of contacting with the telescopic inner rod penetrates through the telescopic outer barrel.
By adopting the technical scheme, the placing height of the sound level meter can be flexibly adjusted by movably inserting the telescopic inner rod and the telescopic outer barrel.
The utility model discloses further set up to: the placing table is a U-shaped clamping seat.
Through adopting above-mentioned technical scheme, utilize U type cassette for the sound level meter is placed simply and conveniently.
The utility model discloses further set up to: the inside joint U type gasbag of platform is placed, U type gasbag inboard is equipped with the zigzag line.
Through adopting above-mentioned technical scheme, utilize U type gasbag, be convenient for reduce the frictional damage on sound level meter surface, strengthened the stability that sound level meter placed simultaneously.
To sum up, the utility model discloses following beneficial effect has: the positioning device has the advantages that the sound level meter can be stably supported, so that errors of the sound level meter are reduced in a long-time testing process, the mounting and dismounting operations are simple, the testing working efficiency of the sound level meter is improved, and the positioning device is small in size, light in weight and convenient to carry and use; the flexible insertion of the telescopic inner rod and the telescopic outer cylinder is utilized, so that the placement height of the sound level meter can be flexibly adjusted; by utilizing the U-shaped air bag, the friction damage on the surface of the sound level meter is reduced conveniently, and meanwhile, the placement stability of the sound level meter is enhanced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a furled state in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an open state in the embodiment of the present invention.
In the figure: 1. a movable sleeve; 11. a clamping hole; 2. a support bar; 21. a first snap; 22. a second snap; 23. a telescopic inner rod; 24. a telescopic outer cylinder; 25. fixing the bolt; 3. a supporting foot rest; 4. a placing table; 41. a U-shaped air bag; 5. a hinged lever.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings 1-2 and the embodiments.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the 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.
Example (b): sound level meter positioner, as shown in fig. 1 and 2, including placing platform 4, bracing piece 2 and activity sleeve 1, place platform 4 and 2 top fixed connection of bracing piece, activity sleeve 1 cup joints with bracing piece 2. The bottom end of the movable sleeve 1 is rotatably connected with a plurality of supporting foot frames 3, and the supporting foot frames 3 are uniformly distributed along the circumferential direction of the movable sleeve 1. The bottom end of the support rod 2 extending out of the bottom opening of the movable sleeve 1 is hinged with a plurality of hinged rods 5, the hinged rods 5 are arranged in one-to-one correspondence with the support foot frames 3, and the other ends of the hinged rods 5 are hinged with the inner sides of the corresponding support foot frames 3. In this embodiment, three support legs 3 and three hinge rods 5 are used.
As shown in fig. 1 and 2, the support rod 2 is provided with a first elastic buckle 21 and a second elastic buckle 22, and the movable sleeve 1 is provided with a fastening hole 11 capable of being inserted into and matched with the first elastic buckle 21 and the second elastic buckle 22. When the plurality of supporting legs 3 are folded to be parallel to each other, the second elastic buckle 22 is inserted into the clamping hole 11. When the plurality of hinge levers 5 are opened in the same plane state, the first elastic buckle 21 is inserted into the fastening hole 11. The first elastic buckle 21 and the second elastic buckle 22 are matched with the clamping hole 11 in an inserted manner, so that the stability of the positioning device in supporting use and carrying is enhanced.
As shown in fig. 1, the end of the supporting foot stand 3 away from the movable sleeve 1 is a tip, and the tip increases the frictional resistance between the supporting foot stand 3 and the ground, so that the positioning device is more stable in positioning and supporting.
As shown in fig. 2, the support rod 2 includes a telescopic inner rod 23 and a telescopic outer cylinder 24, the telescopic inner rod 23 is movably inserted into the telescopic outer cylinder 24, and the telescopic outer cylinder 24 is provided with a fixing bolt 25 capable of contacting with the telescopic inner rod 23. The flexible insertion of the telescopic inner rod 23 and the telescopic outer cylinder 24 is utilized to flexibly adjust the placement height of the sound level meter.
As shown in fig. 1, the placing table 4 is a U-shaped cassette. Utilize U type cassette for the sound level meter is placed simply and conveniently.
As shown in FIG. 1, the placing table 4 is internally clamped with a U-shaped air bag 41, and the inner side of the U-shaped air bag 41 is provided with sawtooth grains. By using the U-shaped air bag 41, the friction damage on the surface of the sound level meter is reduced conveniently, and meanwhile, the placement stability of the sound level meter is enhanced.
The working process is as follows: when the positioning device is used, the movable sleeve 1 is firmly held, the support rod 2 applies pressure downwards along the axial direction of the movable sleeve 1, and the hinge rod 5 is driven to rotate in the process that the support rod 2 moves downwards, so that the support foot rest 3 is driven to be opened in a divergent mode; after the use, the supporting rod 2 is operated in the direction, so that the supporting foot frames 3 are folded to be in a parallel state; place the sound level meter on placing platform 4, can the stable support sound level meter for the sound level meter reduces the error in long-time test procedure, and easy operation is dismantled in the positioner installation, has improved the work efficiency of sound level meter test, and positioner volume miniaturization, light in weight change conveniently go out to carry the use.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (6)

1. Sound level meter positioner, characterized by: the device comprises a placing table (4), a supporting rod (2) and a movable sleeve (1), wherein the placing table (4) is fixedly connected with the top end of the supporting rod (2), and the movable sleeve (1) is sleeved with the supporting rod (2); the bottom end of the movable sleeve (1) is rotatably connected with a plurality of supporting foot frames (3), and the supporting foot frames (3) are uniformly distributed along the circumferential direction of the movable sleeve (1); the bottom end of the support rod (2) which extends out of the bottom opening of the movable sleeve (1) is hinged with a plurality of hinged rods (5), the hinged rods (5) are arranged in one-to-one correspondence with the support foot frames (3), and the other ends of the hinged rods (5) are hinged with the inner sides of the corresponding support foot frames (3).
2. Sound level meter positioning device according to claim 1, characterized in that: the support rod (2) is provided with a first elastic buckle (21) and a second elastic buckle (22), and the movable sleeve (1) is provided with a clamping hole (11) which can be in inserted connection and matching with the first elastic buckle (21) and the second elastic buckle (22) in a penetrating way; when the plurality of supporting foot frames (3) are folded to be in a mutually parallel state, the second elastic buckle (22) is inserted into the clamping hole (11); when the plurality of hinged rods (5) are opened and positioned in the same plane state, the first elastic buckle (21) is inserted into the clamping hole (11).
3. Sound level meter positioning device according to claim 1, characterized in that: the end part of the supporting foot rest (3) far away from the movable sleeve (1) is arranged in a pointed end manner.
4. Sound level meter positioning device according to claim 1, characterized in that: the support rod (2) comprises a telescopic inner rod (23) and a telescopic outer cylinder (24), the telescopic inner rod (23) is movably inserted into the telescopic outer cylinder (24), and a fixing bolt (25) which can be in contact with the telescopic inner rod (23) penetrates through the telescopic outer cylinder (24).
5. Sound level meter positioning device according to any of the claims 1-4, characterized in that: the placing table (4) is a U-shaped clamping seat.
6. Sound level meter positioning device according to claim 5, characterized in that: the U-shaped air bag (41) is clamped inside the placing table (4), and sawtooth grains are arranged on the inner side of the U-shaped air bag (41).
CN202020888316.XU 2020-05-25 2020-05-25 Positioning device for sound level meter Active CN212059093U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020888316.XU CN212059093U (en) 2020-05-25 2020-05-25 Positioning device for sound level meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020888316.XU CN212059093U (en) 2020-05-25 2020-05-25 Positioning device for sound level meter

Publications (1)

Publication Number Publication Date
CN212059093U true CN212059093U (en) 2020-12-01

Family

ID=73520005

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020888316.XU Active CN212059093U (en) 2020-05-25 2020-05-25 Positioning device for sound level meter

Country Status (1)

Country Link
CN (1) CN212059093U (en)

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