CN216283920U - Telescopic sound level meter - Google Patents

Abstract

The utility model discloses a telescopic sound level meter, which comprises a shell, wherein a sound level meter body and a lifting mechanism are arranged on the shell, the sound level meter body is arranged in the shell in a vertically sliding manner, the lifting mechanism can drive the sound level meter body to slide vertically along the shell, a cover shell capable of covering the front side of the shell is arranged on the front side of the shell, the lower end of the cover shell is hinged to the lower end of the shell, the cover shell can be in a straight line with the shell after being turned over, the sound level meter body can be driven by the driving mechanism to slide vertically, so that the height of the sound level meter body can be adjusted, and meanwhile, the shell can protect the sound level meter body, thereby achieving two purposes and achieving strong practicability; in addition, still articulated at the front side of casing have the lid shell, when the lid shell is opened, in line with the casing, the accessible lid shell increases the length of casing to increase the height of sound level meter body, and then can realize the flexible purpose of sound level meter body, application scope is wide, simple structure, convenient operation.

Description

Telescopic sound level meter

Technical Field

The utility model relates to the technical field of sound level meters, in particular to a telescopic sound level meter.

Background

When a sound level meter converts a sound signal into an electric signal, the sound level meter can simulate the time characteristic of the response speed of human ears to sound waves, has frequency characteristics with different sensitivities for high and low frequencies and intensity characteristics for changing the frequency characteristics in different loudness, and is the most basic noise measuring instrument.

Among the prior art, when carrying out the noise and detecting, need detect different positions usually, the length of sound level meter is generally for fixed setting, consequently to the noise detection of position far away, generally need go on through loaded down with trivial details operation, wastes time and energy, can not adjust the length of sound level meter, and application scope is less.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a retractable sound level meter that solves one or more of the problems set forth above in the background.

In order to achieve the purpose, the utility model adopts the following scheme: the utility model provides a telescopic sound level meter, is open-ended casing including front side and upside be equipped with sound level meter body and elevating system on the casing, slide about the sound level meter body and set up in the casing, elevating system can drive sound level meter body slides from top to bottom along the casing the front side of casing is equipped with the lid shell that can cover the casing front side, the lower extreme of lid shell articulates the lower extreme of casing, lid shell open the back can with the casing is in line.

Further, the left and right sides of sound level meter body all is equipped with first sliding block the inboard of casing is equipped with first longitudinal sliding groove, first sliding block slides and sets up in the first longitudinal sliding groove.

Furthermore, elevating system is including setting up the second vertical chute of casing rear side the second vertical chute slides and is equipped with the second sliding block the casing rear side rotates from top to bottom and installs the gear, two be connected with the toothed belt between the gear, one side and the sound level meter body fixed connection of second sliding block, the opposite side and toothed belt fixed connection still be equipped with the stirring board on the toothed belt.

Further, the rear side of casing is equipped with the vertical spout of third slides from top to bottom in the vertical spout of third has the latch with enable the latch keeps the spring of the up-going state, the upper end of latch stretches into in the tooth's of the gear groove, just the upper end one side of latch is the inclined plane structure, and one side is the right angle structure outwards extend and have the unblock shifting block on the latch.

Furthermore, a protective shell is arranged on the rear side of the shell, the lifting mechanism is arranged in the protective shell, a fourth longitudinal sliding groove is formed in one side of the protective shell, the poking plate is arranged in the fourth longitudinal sliding groove in a sliding mode, a fifth longitudinal sliding groove is formed in the rear side of the protective shell, and the unlocking poking block is arranged in the fifth longitudinal sliding groove in a sliding mode.

Furthermore, the left side and the right side of the shell are both provided with first magnets, the cover shell is provided with second magnets which can be matched with the first magnets in a magnetic attraction mode, and when the first magnets and the second magnets attract each other, the cover shell covers the shell.

Further, the lower terminal surface of casing and lid shell all is equipped with third magnet and fourth magnet, when third magnet and fourth magnet attract each other, lid shell and casing alignment.

In summary, the beneficial effects of the utility model are as follows: the sound level meter is characterized in that a shell is arranged, a sound level meter body is arranged in the shell in a vertically sliding mode, the sound level meter body can be driven by a driving mechanism to slide vertically, so that the height of the sound level meter body can be adjusted, meanwhile, the shell can protect the sound level meter body, two purposes are achieved by one action, and the practicability is high; in addition, still articulated at the front side of casing have the lid shell, the lid shell can close the sound level meter body lid in the casing to can effectually protect the sound level meter body, simultaneously, when the lid shell is opened, in line with the casing, the accessible lid shell increases the length of casing, thereby increases the height of sound level meter body, and then can realize the flexible purpose of sound level meter body, application scope is wide, simple structure, convenient operation.

Drawings

Fig. 1 is a schematic view of the sound level meter body of the present invention when extended.

Fig. 2 is a second schematic diagram of the sound level meter body of the present invention when it is extended.

Fig. 3 is a schematic view of the cover and the housing of the present invention.

Fig. 4 is a second schematic view of the cover case covering the case according to the present invention.

FIG. 5 is an enlarged view of the position A of FIG. 2 according to the present invention.

Detailed Description

The following detailed description provides many different embodiments or examples for implementing the utility model. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numbers, such as repeated numbers and/or letters, may be used in various embodiments. These iterations are for simplicity and clarity of describing the present invention and are not intended to represent a particular relationship between the various embodiments and/or configurations discussed.

Furthermore, spatially relative terms, such as "below" … "," below "," inside-out "," above "," upper "and the like, may be used herein to facilitate describing one element or feature's relationship to another element or feature during use or operation of the device, and may include different orientations of the device during use or operation of the device as illustrated in the figures. The devices may be rotated 90 degrees or other orientations from different orientations and the spatially relative descriptors used therein should be interpreted as such and are not to be construed as limiting the utility model, and the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance or to implicitly indicate 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.

The utility model is further described in the following figures and detailed description: a retractable sound level meter as shown in fig. 1 to 5, comprising a housing 1 open on both the front and upper side, the shell 1 is provided with a sound level meter body 2 and a lifting mechanism, the sound level meter body 2 is arranged in the shell 1 in a vertical sliding manner, the lifting mechanism can drive the sound level meter body 2 to slide vertically along the shell 1, a cover shell 3 which can cover the front side of the shell 1 is arranged on the front side of the shell 1, the lower end of the cover shell 3 is hinged with the lower end of the shell 1, the cover shell 3 can be in a straight line with the shell 1 after being turned over, firstly, the shell 1 is arranged, the sound level meter body 2 can be arranged in the shell 1 in a vertical sliding manner, the sound level meter body 2 can be driven by the driving mechanism to slide vertically, therefore, the height of the sound level meter body 2 can be adjusted, and the shell 1 can protect the sound level meter body 2, so that two purposes are achieved, and the practicability is high; in addition, still articulated at casing 1's front side have lid shell 3, lid shell 3 can close sound level meter body 2 lid in casing 1 to can effectually protect sound level meter body 1, simultaneously, when lid shell 3 opens, in line with casing 1, accessible lid shell 3 increases casing 1's length, thereby increase sound level meter body 2's height, and then can realize the flexible purpose of sound level meter body 2, application scope is wide, moreover, the steam generator is simple in structure, and convenient operation.

Referring to fig. 1, the left side and the right side of the sound level meter body 2 are both provided with first sliding blocks 21, the inner side of the casing 1 is provided with a first longitudinal sliding groove 22, the first sliding blocks 21 are slidably arranged in the first longitudinal sliding groove 22, the first sliding blocks 21 can be fixed on the sound level meter body 2 in an adhesion mode, and the sound level meter body 2 can be smoothly moved up and down through the matching of the first sliding blocks 21 and the first longitudinal sliding groove 22.

Referring to fig. 3 and 5, the lifting mechanism includes a second longitudinal sliding groove 31 disposed at the rear side of the housing 1, a second sliding block 32 is slidably disposed in the second longitudinal sliding groove 31, gears 33 are rotatably disposed at the rear side of the housing 1 at intervals up and down, a toothed belt 34 is connected between the two gears 33, one side of the second sliding block 32 is fixedly connected with the sound level meter body 2, and the other side of the second sliding block is fixedly connected with the toothed belt 34, and a toggle plate 35 is further disposed on the toothed belt 34, so that when the sound level meter body 2 is driven to ascend, the toggle plate 35 is pressed down to rotate the toothed belt 34 through the cooperation with the two gears 33, thereby driving the second sliding block 32 and the sound level meter body 2 to ascend, and the lifting mechanism is simple in structure and convenient to operate.

Referring to fig. 5, a third longitudinal sliding groove 41 is disposed at the rear side of the housing 1, a latch 42 and a spring 43 capable of keeping the latch 42 in an upward state are vertically slid in the third longitudinal sliding groove 41, the upper end of the latch 42 extends into a tooth groove of the gear 33, one side of the upper end of the latch 42 is an inclined surface structure, and the other side of the upper end of the latch 42 is a right angle structure, and an unlocking dial block 44 is extended outwards from the latch 42, so that the gear 33 can rotate in a single direction, when the gear 33 rotates clockwise, the teeth of the gear 33 contact with the inclined surface of the latch 42, the latch 42 can be pressed down, the gear 33 rotates smoothly, the second sliding block 32 and the sound level meter body 2 rise, and the right angle structure of the latch 42 can prevent the gear 33 from rotating counterclockwise, thereby preventing the second sliding block 32 and the sound level meter body 2 from accidentally falling when rising; when the second sliding block 32 and the sound level meter body 2 need to descend, the unlocking shifting block 44 is pulled downwards to enable the latch 42 to move downwards, so that the latch 42 is separated from the gear 33, and the gear 33 can rotate anticlockwise to drive the second sliding block 32 and the sound level meter body 2 to descend for resetting.

Referring to fig. 2 and 4, a protective housing 51 is disposed at the rear side of the housing 1, the lifting mechanism is disposed in the protective housing 51, a fourth longitudinal sliding groove 52 is disposed at one side of the protective housing 51, the toggle plate 35 is slidably disposed in the fourth longitudinal sliding groove 52, a fifth longitudinal sliding groove 53 is disposed at the rear side of the protective housing 51, and the unlocking toggle block 44 is slidably disposed in the fifth longitudinal sliding groove 53, so that the lifting mechanism can be well protected, and stability is improved.

Referring to fig. 3, first magnets 61 are disposed on both left and right sides of the housing 1, second magnets 62 capable of magnetically attracting and cooperating with the first magnets 61 are disposed on the cover shell 3, and when the first magnets 61 and the second magnets 62 attract each other, the cover shell 3 covers the housing 1.

Referring to fig. 1 and 4, a third magnet 71 and a fourth magnet 72 are disposed on the lower end surfaces of the housing 1 and the cover shell 3, and when the third magnet 71 and the fourth magnet 72 attract each other, the cover shell 3 and the housing 1 are aligned.

While there have been shown and described the fundamental principles and principal features of the utility model and advantages thereof with reference to the drawings, it will be understood by those skilled in the art that the utility model is not limited to the embodiments described above, which are given by way of illustration of the principles of the utility model, but that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. A retractable sound level meter, characterized by: be open-ended casing (1) including front side and upside be equipped with sound level meter body (2) and elevating system on casing (1), slide about sound level meter body (2) and set up in casing (1), elevating system can drive sound level meter body (2) slide about casing (1) the front side of casing (1) is equipped with can cover lid shell (3) that close casing (1) front side, the lower extreme of lid shell (3) articulates the lower extreme of casing (1), lid shell (3) turn over open the back can with casing (1) is in line.

2. A retractable sound level meter as claimed in claim 1, wherein: the left and right sides of sound level meter body (2) all is equipped with first sliding block (21) the inboard of casing (1) is equipped with first vertical spout (22), first sliding block (21) slide and set up in first vertical spout (22).

3. A retractable sound level meter as claimed in claim 1, wherein: elevating system is including setting up second vertical spout (31) of casing (1) rear side it is equipped with second sliding block (32) to slide in second vertical spout (31) the interval rotates about casing (1) rear side and installs gear (33), two be connected with toothed belt (34) between gear (33), one side and sound level meter body (2) fixed connection of second sliding block (32), opposite side and toothed belt (34) fixed connection still be equipped with on toothed belt (34) and dial board (35).

4. A retractable sound level meter as claimed in claim 3, wherein: the rear side of casing (1) is equipped with third vertical spout (41) it has latch (42) and enables to slide from top to bottom in third vertical spout (41) spring (43) that latch (42) kept the state of making progress, in the tooth's socket of gear (33) that the upper end of latch (42) stretched into, just upper end one side of latch (42) is the inclined plane structure, and one side is the right angle structure latch (42) upward outside extension has unblock shifting block (44).

5. A retractable sound level meter as claimed in claim 4, wherein: the rear side of the shell (1) is provided with a protective shell (51), the lifting mechanism is arranged in the protective shell (51), one side of the protective shell (51) is provided with a fourth longitudinal sliding groove (52), the poking plate (35) is arranged in the fourth longitudinal sliding groove (52) in a sliding mode, the rear side of the protective shell (51) is provided with a fifth longitudinal sliding groove (53), and the unlocking poking block (44) is arranged in the fifth longitudinal sliding groove (53) in a sliding mode.

6. A retractable sound level meter as claimed in claim 1, wherein: the left and right sides of casing (1) all is equipped with first magnet (61) be equipped with on lid shell (3) can with first magnet (61) magnetism inhale complex second magnet (62), when first magnet (61) and second magnet (62) attract mutually, lid shell (3) lid fits on casing (1).

7. A retractable sound level meter as claimed in claim 1, wherein: the lower terminal surface of casing (1) and lid shell (3) all is equipped with third magnet (71) and fourth magnet (72), when third magnet (71) and fourth magnet (72) attract each other, lid shell (3) and casing (1) are in the same line.

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