Supporting rod for prolonging sound level meter

Abstract

The utility model discloses a supporting rod for extending a sound level meter, and belongs to the technical field of extending supporting rods. The supporting rod for extending the sound level meter comprises a supporting mechanism and an extending mechanism, the extending mechanism comprises a connecting rod, a connecting base is rotationally connected to the interior of the upper end of the connecting rod, a micro motor is arranged on the outer side wall, close to the upper end, of the connecting rod, the output end of the micro motor is in transmission connection with the connecting base, and one end of the connecting base is connected with an extending base; sliding grooves are formed in the two sides of the inner wall of the extension base, an extension rod is slidably connected between the pair of sliding grooves, a screw is connected to the top end in the extension base through a bearing, one end of the screw is sleeved with a worm gear, a worm is rotationally connected to the position, close to the worm gear, in the extension base, and the worm and the worm gear are meshed with each other. The end, away from the worm gear, of the screw penetrates through the extension rod, extends into the extension rod and is in threaded connection with the extension rod, and the bottom end of the extension rod penetrates through the extension base and is connected with a connecting assembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of extension support rod, concretely is a sound level meter extension support rod. BACKGROUND

[0002] When the sound level meter converts the sound signal into the electric signal, can simulate the time characteristic of human ear to the sound wave reaction speed, the frequency characteristic of different sensitivity to high and low frequency and the intensity characteristic of changing frequency characteristic when different loudness, is the most basic noise measuring instrument. At present, noise test in most areas of our country is still in the stage of manual monitoring, the human body is used as the support unit of the equipment, the sound unit of the equipment is aimed at the noise source or noise area that needs to be measured, and the sampling parameters of the sound level meter are set after measurement, and the noise measurement position needs to select the appropriate point.

[0003] Based on the above, the present inventor found that there are the following problems: the sound level meter is inconvenient to extend and stretch the position of the sound level meter during noise detection, which cannot increase the distance between the sound level meter and the measurement point as needed, and when a long distance needs to be monitored and measured, the operator usually holds the sound level meter close to the environment to be detected for measurement, which is inconvenient.

[0004] Therefore, in view of the above problems, the present application provides a sound level meter extension support rod to achieve a more practical purpose. INVENTION CONTENTS

[0005] The utility model discloses a sound level meter extension support rod to solve the problem of inconvenient extension and stretching of the position of the sound level meter in the background art, which cannot increase the distance between the sound level meter and the measurement point as needed.

[0006] In view of the above problems, the technical scheme of the utility model is as follows:

[0007] A sound level meter extension support rod, comprising a support mechanism and an extension mechanism, the extension mechanism comprising a connecting rod, the upper end of the connecting rod being rotatably connected with a connecting seat inside, and a micro motor being arranged on the outer side wall of the connecting rod close to the upper end, the output end of the micro motor being in transmission connection with the connecting seat, one end of the connecting seat being connected with an extension seat, the inner walls of the extension seat being provided with sliding grooves on both sides, a pair of extension rods being slidably connected between the sliding grooves, and a screw rod being connected with the inner top end of the extension seat through a bearing, the outer end of one end of the screw rod being sleeved with a worm wheel, the extension seat being rotatably connected with a worm gear close to the worm wheel inside, the worm gear and the worm wheel being in meshing with each other, the end of the screw rod away from the worm wheel extending through the extension rod to the inside and being in threaded connection with the extension rod, and the bottom end of the extension rod extending through the extension seat and being connected with a connecting assembly.

[0008] Further, one end of the worm extends through the extension seat to the outside and is sleeved with a knob.

[0009] The beneficial effect of the above further scheme is that by sleeving the knob outside one end of the worm, when the knob is rotated, the worm is conveniently driven to rotate.

[0010] Further, the connecting assembly comprises a first connecting plate, the upper end of the first connecting plate is connected with the bottom end of the extension rod, and the bottom end of the first connecting plate is provided with a second connecting plate, and the bottom end of the second connecting plate is connected with the sound level meter body.

[0011] The beneficial effect of the above further scheme is that by cooperation of the first connecting plate and the second connecting plate, since the first connecting plate is connected with the extension rod and the second connecting plate is connected with the sound level meter body, the sound level meter body is installed at one end of the extension rod.

[0012] Further, first threaded holes and second threaded holes are respectively formed at four corners of the first connecting plate and the second connecting plate, and bolts are threadedly connected between opposite first threaded holes and second threaded holes.

[0013] The beneficial effect of the above further scheme is that by threadedly connecting the bolts between the first threaded holes and the second threaded holes, assembly between the first connecting plate and the second connecting plate is realized, and when the bolts are removed, the first connecting plate and the second connecting plate are conveniently disassembled and separated.

[0014] Further, the supporting mechanism comprises a first supporting rod, the upper end surface of the first supporting rod is connected with a second supporting rod, and the outer wall of the second supporting rod is connected with the side of the connecting rod away from the extension seat.

[0015] The beneficial effect of the above further scheme is that by providing the first supporting rod, the second supporting rod is conveniently supported, and by providing the second supporting rod, the connecting rod is conveniently installed.

[0016] Further, the bottom end of the first supporting rod is connected with a supporting block, the outer wall of the supporting block is connected with three first hinged seats, the inside of each of the three first hinged seats is hingedly connected with a supporting plate, the upper end of the supporting plate away from the first hinged seat is connected with a weight block, and the bottom end of the supporting block is flush with the bottom end of the supporting plate.

[0017] The beneficial effect of the above further scheme is that by providing the first hinged seat outside the supporting block and hingedly connecting the supporting plate in the first hinged seat, one end of the supporting plate is conveniently rotatable in the first hinged seat, by providing the supporting plate, when the three supporting plates are expanded, the bottom end thereof is conveniently attached to the ground to support the extension mechanism, and by providing the weight block on the supporting plate, the weight of the supporting plate is increased to realize stable support of the extension mechanism.

[0018] Further, the outer part of the first supporting rod is sleeved with a circular ring near the bottom end, the outer wall of the circular ring is connected with three second hinge seats at equal distances, the inner part of each of the three second hinge seats is hingedly connected with a connecting rod, the end of the connecting rod away from the second hinge seat is hingedly connected with a third hinge seat, and the bottom end of the third hinge seat is connected with the top surface of the supporting plate.

[0019] The beneficial effect of the above further scheme is that when the circular ring moves upward, the originally expanded three supporting plates are folded under the connection of the second hinge seat, the connecting rod and the third hinge seat.

[0020] Further, the outer wall of the first supporting rod is equidistantly provided with three limiting grooves, the inner part of each of the three limiting grooves is slidingly connected with a limiting block, and the side of each of the three limiting blocks away from the inner part of the limiting groove is connected with the inner wall of the circular ring.

[0021] The beneficial effect of the above further scheme is that the circular ring is slidingly limited by the limiting groove and the limiting block, and slides on the outer part of the first supporting rod under the sliding action of the limiting block and the limiting groove.

[0022] Compared with the prior art, the sound level meter extension support rod has the beneficial effects that: the support mechanism is placed at a specified position to support the extension mechanism, the position of the sound level meter is conveniently extended and stretched by the extension mechanism, the distance between the sound level meter and the measurement point is increased, and the operator directly contacts the measured environment is avoided, the connecting seat is conveniently rotated upward when the micro motor works, the vertically stored extension seat is horizontally unfolded, the rotation of the worm wheel is realized when the worm rotates, the screw rod rotates, the extension rod is conveniently pushed out from the extension seat due to the threaded connection between the screw rod and the extension rod and the sliding connection between the extension rod and the sliding groove, and the sound level meter body is conveniently installed by the connecting assembly. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The sound level meter extension support rod provided by the utility model is provided with a support mechanism, an extension mechanism and an extension seat, the support mechanism is connected with the extension mechanism, the extension mechanism is connected with the extension seat, and the extension seat is connected with the sound level meter body.

[0024] Figure 2 The sound level meter extension support rod provided by the utility model is provided with a support mechanism, an extension mechanism and an extension seat, the support mechanism is connected with the extension mechanism, the extension mechanism is connected with the extension seat, and the extension seat is connected with the sound level meter body.

[0025] Figure 3 The sound level meter extension support rod provided by the utility model is provided with a support mechanism, an extension mechanism and an extension seat, the support mechanism is connected with the extension mechanism, the extension mechanism is connected with the extension seat, and the extension seat is connected with the sound level meter body.

[0026] Figure 4The utility model provides a kind of connection assembly of sound level meter extension support rod's explosion three-dimensional structure schematic view is provided;

[0027] Figure 5 The utility model provides a kind of first support rod and circular ring three-dimensional development structure schematic view of sound level meter extension support rod.

[0028] In the drawing: 100, support mechanism;1001, first support rod;1002, support block;1003, first hinged seat;1004, support plate;1005, weight block;1006, circular ring;1007, second hinged seat;1008, connecting rod;1009, third hinged seat;1010, limit slot;1011, limit block;1012, second support rod;200, extension mechanism;2001, connecting rod;2002, connecting seat;2003, micro motor;2004, extension seat;2005, sliding slot;2006, extension rod;2007, screw rod;2008, worm wheel;2009, worm;2010, knob;300, connection assembly;3001, first connecting plate;3002, second connecting plate;3003, bolt;400, sound level meter body. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] Please refer to Figures 1-5The utility model provides a technical scheme: a sound level meter prolongs with support rod, including support mechanism 100 and extension mechanism 200, extension mechanism 200 includes connecting rod 2001, the upper end inside rotationally connected with connecting seat 2002 of connecting rod 2001, and connecting rod 2001 is equipped with micro motor 2003 on the outside wall close to the upper end, and the transmission connection between the output of micro motor 2003 and connecting seat 2002, one end of connecting seat 2002 is connected with extension seat 2004, the inner wall both sides of extension seat 2004 are all set with sliding slot 2005, and the extension rod 2006 is slidably connected between a pair of sliding slots 2005, and the inside top of extension seat 2004 is connected with screw rod 2007 through bearing, the outside of one end of screw rod 2007 is equipped with worm wheel 2008, and the inside close to worm wheel 2008 of extension seat 2004 is rotationally connected with worm 2009, and worm 2009 and worm wheel 2008 are mutually engaged, and one end of screw rod 2007 away from worm wheel 2008 penetrates extension rod 2006 and extends to the inside and is threadedly connected between extension rod 2006, and the bottom end of extension rod 2006 penetrates extension seat 2004 and is connected with connecting assembly 300, by setting support mechanism 100, placing support mechanism 100 in the designated position, thereby supporting extension mechanism 200, by setting extension mechanism 200, thereby facilitating the position of sound level meter to be prolonged and stretched, increase the distance between sound level meter and measuring point, while avoiding the direct contact of operating personnel with the measured environment, by setting micro motor 2003, when micro motor 2003 works, facilitating connecting seat 2002 to rotate upwards, thereby making the horizontally unfolded extension seat 2004 of vertical storage, by the cooperation of worm wheel 2008 and worm 2009, when worm 2009 rotates, facilitating the rotation of worm wheel 2008, and then making screw rod 2007 rotate, since screw rod 2007 is threadedly connected with extension rod 2006, and extension rod 2006 is slidably connected with sliding slot 2005, thereby facilitating the extension rod 2006 to be pushed out from the inside of extension seat 2004, by connecting assembly 300, facilitating the installation of sound level meter body 400.

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] Please refer to Figures 1-5The utility model provides a technical scheme: one end of worm 2009 extends to outside through extension base 2004 and is equipped with knob 2010, connecting assembly 300 includes first connecting plate 3001, the upper end of first connecting plate 3001 is connected with the bottom end of extension rod 2006, and the bottom end of first connecting plate 3001 is equipped with second connecting plate 3002, the bottom end of second connecting plate 3002 is connected with sound level meter body 400, first connecting plate 3001 and second connecting plate 3002 four corners are equipped with first threaded hole and second threaded hole respectively, and the first threaded hole and second threaded hole are screw connected with bolt 3003, by the outside of one end of worm 2009 equipped with knob 2010, when rotating knob 2010, it is convenient for driving worm 2009 to rotate, through the cooperation of first connecting plate 3001 and second connecting plate 3002, since first connecting plate 3001 is connected with extension rod 2006, second connecting plate 3002 is connected with sound level meter body 400, and then sound level meter body 400 is installed in one end of extension rod 2006, through the threaded connection of first threaded hole and second threaded hole bolt 3003, the assembly between first connecting plate 3001 and second connecting plate 3002 is realized, when taking down bolt 3003, it is convenient to realize the disassembly separation of first connecting plate 3001 and second connecting plate 3002.

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0034] Please refer to Figures 1-5The utility model provides a technical scheme: support mechanism 100 includes first support rod 1001, the upper end surface connection of first support rod 1001 has second support rod 1012, and the outer wall one side of second support rod 1012 is connected with the one side of connecting rod 2001 away from extension base 2004, and the bottom of first support rod 1001 is connected with support block 1002, and the outer wall of support block 1002 is connected with three first hinged seat 1003, and the inside of three first hinged seat 1003 is all articulated with support plate 1004, and the upper end of support plate 1004 is connected with weight block 1005 away from first hinged seat 1003, and the bottom of support block 1002 is flush with the bottom of support plate 1004, and the outside of first support rod 1001 is equipped with ring 1006 close to the bottom, and the outer wall of ring 1006 is connected with three second hinged seat 1007 at equal distance, and the inside of three second hinged seat 1007 is all articulated with connecting rod 1008, and the end of connecting rod 1008 is articulated with third hinged seat 1009 away from second hinged seat 1007, and the bottom of third hinged seat 1009 is connected with the top surface of support plate 1004, and the outer wall of first support rod 1001 is equipped with three limit slot 1010 at equal distance, and the inside of three limit slot 1010 is all slidingly connected with limit block 1011, and the one side of three limit block 1011 away from the inside of limit slot 1010 is all connected with the inner wall of ring 1006, by setting first support rod 1001, it is convenient to support second support rod 1012, by setting second support rod 1012, it is convenient to install connecting rod 2001, by the cooperation of limit slot 1010 and limit block 1011, slidingly position ring 1006, make ring 1006 slide under the sliding action of limit block 1011 and limit slot 1010 in the outside of first support rod 1001, because the outside of support block 1002 is provided with first hinged seat 1003, and support plate 1004 is articulated in first hinged seat 1003, to facilitate the one end of support plate 1004 rotatable in first hinged seat 1003, when ring 1006 original position leans on and slides down, it is convenient to make the three support plates 1004 originally housed expand under the connecting action of second hinged seat 1007, connecting rod 1008 and third hinged seat 1009, so that its bottom is pasted with ground, it is convenient to support extension mechanism 200, by setting weight block 1005 on support plate 1004, increase the weight of support plate 1004, to realize the stability support of extension mechanism 200, when ring 1006 original position leans down and slides up, it is convenient to make the three support plates 1004 originally expanded fold under the connecting action of second hinged seat 1007, connecting rod 1008 and third hinged seat 1009.

[0035] Specifically, the working principle of the sound level meter extension support is as follows: during use, the support mechanism 100 is placed at a designated position, the circular ring 1006 is limited in sliding through the cooperation of the limiting groove 1010 and the limiting block 1011, the circular ring 1006 slides outside the first support rod 1001 under the sliding action of the limiting block 1011 and the limiting groove 1010, the first hinge seat 1003 is arranged outside the support block 1002, and the hinge support plate 1004 is hinged in the first hinge seat 1003, so that one end of the support plate 1004 can rotate in the first hinge seat 1003, when the original position of the circular ring 1006 is on the top and slides downward, the three originally stored support plates 1004 are expanded under the connection action of the second hinge seat 1007, the connecting rod 1008 and the third hinge seat 1009, so that the bottom end is combined with the ground, the extension mechanism 200 is supported, the weight block 1005 is arranged on the support plate 1004 to increase the weight of the support plate 1004, so as to realize the stable support of the extension mechanism 200, the first connecting plate 3001 and the second connecting plate 3002 are used in cooperation, the first connecting plate 3001 is connected with the extension rod 2006, the second connecting plate 3002 is connected with the sound level meter body 400, and then the sound level meter body 400 is installed at one end of the extension rod 2006, the threaded bolt 3003 is screwed between the first threaded hole and the second threaded hole, the assembly between the first connecting plate 3001 and the second connecting plate 3002 is realized, the knob 2010 is arranged outside one end of the worm 2009, when the knob 2010 is rotated, the worm 2009 is driven to rotate, the rotation of the worm wheel 2008 is realized, and then the screw rod 2007 rotates, the screw rod 2007 is screwed with the extension rod 2006, and the extension rod 2006 is slidingly connected with the sliding groove 2005, so as to push the extension rod 2006 out of the extension seat 2004, so as to extend the position of the sound level meter body 400, increase the distance between the sound level meter body 400 and the measurement point, and avoid direct contact of the operator with the measured environment.

Claims

1. A support rod for extending a sound level meter, characterized in that: The invention comprises a supporting mechanism (100) and an extending mechanism (200), wherein the extending mechanism (200) comprises a connecting rod (2001), wherein the upper end of the connecting rod (2001) is internally rotatably connected to a connecting seat (2002), and a micro motor (2003) is provided on the outer wall of the connecting rod (2001) near the upper end, wherein the output end of the micro motor (2003) is transmission-connected to the connecting seat (2002), and one end of the connecting seat (2002) is connected to an extending seat (2004), and both sides of the inner wall of the extending seat (2004) are provided with a sliding groove (2005), and an extension rod (2006) is slidably connected between a pair of the sliding grooves (2005), and the extending rod (2006) is slidingly connected to the extending seat (2004). The top end of the extension seat (2004) is connected to a screw (2007) via a bearing, one end of the screw (2007) is provided with a worm gear (2008) on the outside, and a worm (2009) is rotatably connected to the inside of the extension seat (2004) near the worm gear (2008), and the worm (2009) and the worm gear (2008) are engaged with each other. The end of the screw (2007) away from the worm gear (2008) passes through the extension rod (2006) and extends to the inside, and is threadedly connected to the extension rod (2006). The bottom end of the extension rod (2006) passes through the extension seat (2004) and is provided with a connecting assembly (300) for connecting to the sound level meter body (400).

2. The extension rod for a sound level meter according to claim 1, characterized in that: One end of the worm (2009) passes through the extension seat (2004) and extends to the outside, and is sleeved with a knob (2010).

3. The extension rod for a sound level meter according to claim 1, characterized in that: The connecting assembly (300) comprises a first connecting plate (3001), the upper end of the first connecting plate (3001) is connected to the bottom end of the extension rod (2006), and the bottom end of the first connecting plate (3001) is provided with a second connecting plate (3002), and the bottom end of the second connecting plate (3002) is connected to the sound level meter body (400).

4. The extension rod for a sound level meter according to claim 3, characterized in that: The first connecting plate (3001) and the second connecting plate (3002) are respectively provided with a first threaded hole and a second threaded hole at their four corners, and bolts (3003) are threadedly connected between the first threaded holes and the second threaded holes.

5. The extension rod for a sound level meter according to claim 1, characterized in that: The support mechanism (100) comprises a first support rod (1001), the upper end surface of the first support rod (1001) is connected to a second support rod (1012), and one side of the outer wall of the second support rod (1012) is connected to a side of the connecting rod (2001) away from the extension seat (2004).

6. The extension rod for a sound level meter according to claim 5, characterized in that: The bottom end of the first support rod (1001) is connected to a support block (1002), the outer wall of the support block (1002) is connected to three first hinge seats (1003), the interiors of the three first hinge seats (1003) are hinged with support plates (1004), the upper end of the support plate (1004) away from the first hinge seat (1003) is connected to a weight block (1005), and the bottom end of the support block (1002) is flush with the bottom end of the support plate (1004).

7. The extension rod for a sound level meter according to claim 6, characterized in that: A circular ring (1006) is sleeved on the outside of the first support rod (1001) near the bottom end, and three second hinge seats (1007) are connected to the outer wall of the circular ring (1006) at equal distances, and the interiors of the three second hinge seats (1007) are hinged with connecting rods (1008), and the end of the connecting rod (1008) away from the second hinge seat (1007) is hinged with a third hinge seat (1009), and the bottom end of the third hinge seat (1009) is connected to the top surface of the support plate (1004).

8. The extension rod for a sound level meter according to claim 7, characterized in that: The outer wall of the first support rod (1001) is provided with three limiting grooves (1010) at equal distances, the interiors of the three limiting grooves (1010) are all slidably connected to limiting blocks (1011), and the sides of the three limiting blocks (1011) away from the interior of the limiting grooves (1010) are all connected to the inner wall of the ring (1006).

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