CN216695268U - Fixing mechanism for sound level meter - Google Patents
Fixing mechanism for sound level meter Download PDFInfo
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- CN216695268U CN216695268U CN202123109842.5U CN202123109842U CN216695268U CN 216695268 U CN216695268 U CN 216695268U CN 202123109842 U CN202123109842 U CN 202123109842U CN 216695268 U CN216695268 U CN 216695268U
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- sliding
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- level meter
- sound level
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Abstract
The utility model provides a fixing mechanism of a sound level meter, which comprises a base, wherein the base is arranged on a support table, a rectangular vertical pipe is fixed on the base, a rectangular sleeve is sleeved outside the rectangular vertical pipe, a rotary screw rod is erected and arranged in the rectangular vertical pipe, a nut sliding block is connected with the external thread of the rotary screw rod, two ends of the nut sliding block are provided with sliding rods penetrating through the rectangular vertical pipe, and the sliding rods are fixed in the rectangular sleeve; the top end of the rectangular sleeve is vertically provided with a fixed sliding rod, the end part of the fixed sliding rod is connected with a movable sliding rod through a movable hinge, the movable sliding rod is externally connected with a U-shaped sliding sleeve in a sliding manner, the rectangular sleeve is provided with a cylinder fixing seat, one side of the cylinder fixing seat and one side of the U-shaped sliding sleeve are fixedly connected with positioning pin shafts at two ends of a cylinder in a switching manner, and the positioning pin shafts are externally connected with positioning nuts limited on one side of the cylinder in a threaded manner; the movable sliding rod is also connected with a sound level meter mounting plate for mounting the sound level meter in a sliding manner.
Description
Technical Field
The utility model relates to a fixing mechanism, in particular to a fixing mechanism of a sound level meter.
Background
The sound level meter detects whether to satisfy design or national industry standard requirement for verifying whole car noise and loudspeaker sound level to and the product quality uniformity after batch production, and sound level meter fixed establishment is the sound level meter that is arranged in detecting the vehicle assembly line and is fixed, and the fixed mode that still adopts the tripod to the sound level meter is present, where its fixed mode needs to be put for the scene, just put tripod in which position, stability has very big problem, and the tripod is knocked down easily, cause the sound level meter to break.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problems, an object of the present invention is to provide a fixing mechanism for a sound level meter, which can improve the stability of the mechanism by fixing an integral structure to a detection line, and can ensure that the sound level meter can have a flexible position adjustment effect to adapt to detection at different positions, and can be folded when the sound level meter is not used, so that the fixing mechanism has a simple and reliable integral structure, is convenient to operate, and is convenient to maintain.
The utility model provides the following technical scheme:
a fixing mechanism of a sound level meter comprises a supporting table, a base, a rectangular sleeve, a rectangular vertical pipe, a cylinder, a U-shaped sliding sleeve, a fixed sliding rod, a movable sliding rod, a rotary screw rod, a screw rod motor, a movable hinge and a sound level meter mounting plate; the base is arranged on the support table, a rectangular vertical pipe is fixed on the base, a rectangular sleeve is sleeved outside the rectangular vertical pipe, a rotary screw rod is arranged in the rectangular vertical pipe in an erected mode, the top end of the rotary screw rod is in driving connection with a screw rod motor arranged at the top end of the rectangular vertical pipe, a nut sliding block is connected to the rotary screw rod through external threads, sliding rods penetrating through the rectangular vertical pipe are arranged at two ends of the nut sliding block and fixed in the rectangular sleeve, and a sliding groove for the sliding rods to move longitudinally is formed in the rectangular vertical pipe; a fixed sliding rod is vertically installed at the top end of the rectangular sleeve, the end part of the fixed sliding rod is connected with a movable sliding rod through a movable hinge, the movable sliding rod is externally connected with a U-shaped sliding sleeve in a sliding manner, an air cylinder fixing seat is installed on the rectangular sleeve, a positioning pin shaft is vertically fixed on one side of the air cylinder fixing seat and one side of the U-shaped sliding sleeve, positioning sleeves which are correspondingly sleeved on the two groups of positioning pin shafts are arranged at the fixed end and the movable end of the air cylinder, and a positioning nut which is limited on one side of the positioning sleeves is further connected to the outside of the positioning pin shafts in a threaded manner; the movable sliding rod is also connected with a sound level meter mounting plate used for mounting a sound level meter in a sliding manner.
Preferably, the bottom of the base is provided with a rotating block which is rotatably connected to the supporting table, the periphery of the rotating block is provided with an outer gear ring, and the supporting table is provided with a driving motor for driving the outer gear ring to rotate.
Preferably, the movable sliding rod is a rectangular sliding rod, four groups of sliding chutes are formed in the periphery of the movable sliding rod along the length direction of the movable sliding rod, the four groups of sliding chutes are an upper sliding chute and a lower sliding chute which are oppositely arranged, and a left sliding chute and a right sliding chute which are oppositely arranged, the side edges of two ends of the U-shaped sliding sleeve are attached to the upper sliding chute and the lower sliding chute, and the side edges of two ends of the U-shaped sliding sleeve are also connected with first sliding blocks which are matched with the upper sliding chute and the lower sliding chute to slide.
Preferably, still including the extension bar, the extension bar has the same structure with the activity slide bar, and extension bar and the cooperation of activity slide bar butt joint, it has a connecting rod to peg graft respectively between two sets of left spouts and two sets of right spouts after the butt joint, the both ends of connecting rod are provided with the inserting groove, wear to be equipped with the inserted bar of grafting in the inserting groove on extension bar and the activity slide bar, be provided with the logical chamber that extends along length direction in extension bar and the activity slide bar, the one end of inserted bar is passed and is led to the chamber and peg graft in the slot, and lead to the inserted bar external connection in the intracavity and have a bulge loop, the bulge loop has the compression spring who is used for inserting the inserted bar tightly in the slot with linking to between the lateral wall in chamber.
Preferably, the end of the extension bar or the movable sliding bar is sleeved with a sealing cover.
Preferably, the sound level meter mounting panel is last to rotate and to be connected with a swivel nut, and swivel nut internal thread is connected with a dwang, and the end fixing of dwang has spacing gliding second sliding block in last spout.
The utility model has the beneficial effects that: after starting through the cylinder, can drive the activity slide bar rotatory around the activity hinge, so can be when using, expand the activity slide bar into and be the linear type distribution with fixed slide bar, and when need not using, can drive the cylinder and make the activity slide bar fold into parallel with the rectangle riser, simultaneously because after fixing a supporting bench, the accessible starts screw motor, thereby can realize that the rectangle sleeve pipe drives the lift adjustment of sound level meter, in order to adapt to different detection height, improve its use application scope, and because the installation of cylinder and the installation of sound level meter mounting panel are demountable installation, therefore the installation is dismantled also comparatively conveniently, be convenient for the maintenance in later stage.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a structural cross-sectional view of the present invention;
FIG. 2 is a partial schematic view of a fixed slide bar and a movable slide bar;
FIG. 3 is a schematic structural diagram of a first slider;
FIG. 4 is a schematic view of the structure of the second sliding block and the rotating rod matched with the sound level meter mounting plate;
FIG. 5 is a schematic view of the base and the supporting platform;
FIG. 6 is a side view of a movable slide bar;
FIG. 7 is a side sectional view of the extension bar after it is inserted into the connecting rod;
notation in the figure: 1 is a supporting platform, 2 is the base, 3 is the rectangle sleeve pipe, 4 is the rectangle upright, 5 is the cylinder, 6 is the U-shaped sliding sleeve, 7 is fixed slide bar, 8 is the activity slide bar, 9 is rotatory lead screw, 10 is lead screw motor, 11 is the activity hinge, 12 is the sound level meter mounting panel, 13 is the nut slider, 14 is the slide bar, 15 is the cylinder fixing base, 16 is the turning block, 17 is driving motor, 18 is last spout, 19 is lower spout, 20 is left spout, 21 is right spout, 22 is first sliding block, 23 is the second sliding block, 24 is the dwang, 25 is swivel nut, 26 is the extension bar, 27 is the connecting rod, 28 is the inserting groove, 29 is the inserting bar, 30 is compression spring.
Detailed Description
Example 1
With reference to fig. 1 to 5, a fixing mechanism for a sound level meter, in this embodiment, includes a supporting table 1, a base 2, a rectangular casing 3, a rectangular vertical pipe 4, a cylinder 5, a U-shaped sliding sleeve 6, a fixed sliding rod 7, a movable sliding rod 8, a rotary screw 9, a screw motor 10, a movable hinge 11, and a sound level meter mounting plate 12; the base 2 is arranged on the support table 1, a rectangular vertical pipe 4 is fixed on the base, a rectangular sleeve 3 is sleeved outside the rectangular vertical pipe 4, a rotary screw rod 9 is arranged in the rectangular vertical pipe 4 in an erected mode, the top end of the rotary screw rod 9 is in driving connection with a screw rod motor 10 arranged at the top end of the rectangular vertical pipe 4, a nut sliding block 13 is connected with an external thread of the rotary screw rod 9, sliding rods 14 penetrating through the rectangular vertical pipe 4 are arranged at two ends of the nut sliding block 13, the sliding rods 14 are fixed in the rectangular sleeve 3, and a sliding groove for the sliding rods 14 to move longitudinally is formed in the rectangular vertical pipe 4; a fixed slide bar 7 is vertically installed at the top end of the rectangular sleeve 3, the end part of the fixed slide bar 7 is connected with a movable slide bar 8 through a movable hinge 11, the movable slide bar 8 is externally connected with a U-shaped slide sleeve 6 in a sliding manner, a cylinder fixing seat 15 is installed on the rectangular sleeve 3, a positioning pin shaft is vertically fixed on one side of the cylinder fixing seat 15 and one side of the U-shaped slide sleeve 6, positioning sleeves correspondingly sleeved on the two groups of positioning pin shafts are arranged at the fixed end and the movable end of the cylinder 5, and a positioning nut limited on one side of the positioning sleeves is further connected to the outside of the positioning pin shaft in a threaded manner; the movable sliding rod 8 is also connected with a sound level meter mounting plate 12 for mounting a sound level meter in a sliding way.
The bottom of base 2 is provided with and rotates the turning block 16 of connection on a supporting bench 1, and the periphery of turning block 16 is provided with outer ring gear, installs the driving motor 17 that is used for driving outer ring gear rotatory on the supporting bench 1 to the accessible starts driving motor 17, realizes that base 2 drives the rotation of rectangle sleeve pipe 3, rectangle riser 4, sound level meter, improves the position flexibility effect of sound level meter.
The movable sliding rod 8 is a rectangular sliding rod, four groups of sliding grooves are formed in the periphery of the movable sliding rod along the length direction of the movable sliding rod, the four groups of sliding grooves are an upper sliding groove 18 and a lower sliding groove 19 which are arranged oppositely, and a left sliding groove 20 and a right sliding groove 21 which are arranged oppositely, the side edges of two ends of the U-shaped sliding sleeve 6 are attached to the upper sliding groove 18 and the lower sliding groove 19, and the side edges of two ends of the U-shaped sliding sleeve are also connected with first sliding blocks 22 which are matched with the upper sliding groove 18 and the lower sliding groove 19 to slide.
The sound level meter mounting panel 12 is rotatably connected with a rotating nut 25, the rotating nut 25 is internally threaded with a rotating rod 24, and the end part of the rotating rod 24 is fixed with a second sliding block 23 which is limited to slide in the upper sliding groove 18.
Example 2
As shown in fig. 6 and 7, in this embodiment, the sound level meter fixing mechanism is further limited on the basis of embodiment 1, in order to realize the extending effect for the sliding slide rod, so that an extension rod 26 may be provided, the extension rod 26 and the movable slide rod 8 have the same structure, and the extension rod 26 and the movable slide rod 8 are in butt-joint fit, a connecting rod 27 is respectively inserted between two groups of left slide grooves 20 and two groups of right slide grooves 21 after butt-joint, two ends of the connecting rod 27 are provided with inserting grooves 28, inserting rods 29 inserted in the inserting grooves 28 are penetrated on the extension rod 26 and the movable slide rod, through cavities extending in the length direction are provided in the extension rod 26 and the movable slide rod, one end of the inserting rod 29 penetrates through the through cavity and is inserted in the inserting groove, and a convex ring is connected outside the inserting rod 29 in the through cavity, a compression spring 30 for tightly inserting the inserting rod 29 in the inserting groove is abutted between the convex ring and the side wall of the through cavity, therefore, when the extension bar 26 and the movable slide bar 8 are butted and extended, the insertion rod 29 can be pulled outwards, the compression spring 30 is compressed, the connecting rod 27 smoothly enters the left sliding groove 20 or the right sliding groove 21, then the insertion rod 29 is loosened, the end part of the insertion rod 29 can be smoothly pushed into the insertion groove 28 under the elastic force of the compression spring 30 to realize the butting limit of the slide bar and the extension bar 26, at the moment, the sound level meter mounting plate 12 can slide into the upper sliding groove 18 of the extension bar 26 along the upper sliding groove 18 of the movable slide bar 8, and the extension of the sliding length is realized. In order to prevent the sound level meter mounting plate 12 from sliding out of the extension bar 26, a cover is sleeved on the end of the sound level meter mounting plate for limiting.
The working principle of the utility model is as follows: after starting through the cylinder 5, can drive the activity slide bar 8 rotatory around the activity hinge 11, so can be when using, expand activity slide bar 8 and become to be the linear type distribution with fixed slide bar 7, and when not needing to use, can drive cylinder 5 and make activity slide bar 8 fold into and be parallel with rectangle riser 4, simultaneously because with a supporting bench 1 fixed back, the accessible starts screw motor 10, thereby can realize that rectangle sleeve pipe 3 drives the lifting adjustment of sound level meter, in order to adapt to different detection height, improve its and use application scope, and because the installation of cylinder 5 and the installation of sound level meter mounting panel 12 are demountable installation, therefore the installation is dismantled also comparatively conveniently, be convenient for the maintenance of later stage.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A fixing mechanism of a sound level meter is characterized by comprising a supporting table, a base, a rectangular sleeve, a rectangular vertical pipe, a cylinder, a U-shaped sliding sleeve, a fixed sliding rod, a movable sliding rod, a rotary screw rod, a screw motor, a movable hinge and a sound level meter mounting plate; the base is installed on the supporting table, a rectangular vertical pipe is fixed on the base, a rectangular sleeve is sleeved outside the rectangular vertical pipe, a rotary screw rod is installed inside the rectangular vertical pipe in an erected mode, the top end of the rotary screw rod is in driving connection with a screw rod motor installed at the top end of the rectangular vertical pipe, a nut sliding block is connected with the rotary screw rod through external threads, sliding rods penetrating through the rectangular vertical pipe are arranged at two ends of the nut sliding block and fixed in the rectangular sleeve, and a sliding groove for the sliding rods to move longitudinally is formed in the rectangular vertical pipe;
a fixed sliding rod is vertically installed at the top end of the rectangular sleeve, the end part of the fixed sliding rod is connected with a movable sliding rod through a movable hinge, the movable sliding rod is externally connected with a U-shaped sliding sleeve in a sliding manner, an air cylinder fixing seat is installed on the rectangular sleeve, a positioning pin shaft is vertically fixed on one side of the air cylinder fixing seat and one side of the U-shaped sliding sleeve, positioning sleeves which are correspondingly sleeved on two groups of positioning pin shafts are arranged at the fixed end and the movable end of the air cylinder, and a positioning nut which is limited on one side of the positioning sleeves is further connected to the outside of the positioning pin shaft in a threaded manner;
and the movable sliding rod is also connected with a sound level meter mounting plate for mounting a sound level meter in a sliding manner.
2. The sound level meter fixing mechanism according to claim 1, wherein the bottom of the base is provided with a rotating block rotatably connected to the supporting table, an outer gear ring is arranged on the periphery of the rotating block, and a driving motor for driving the outer gear ring to rotate is mounted on the supporting table.
3. The sound level meter fixing mechanism according to claim 1, wherein the movable slide bar is a rectangular slide bar, four sets of sliding grooves are formed in the periphery of the movable slide bar along the length direction of the movable slide bar, the four sets of sliding grooves are respectively an upper sliding groove and a lower sliding groove which are oppositely arranged, and a left sliding groove and a right sliding groove which are oppositely arranged, the two end sides of the U-shaped sliding sleeve are attached to the upper sliding groove and the lower sliding groove, and the two end sides of the U-shaped sliding sleeve are further connected with first sliding blocks which are matched with the upper sliding groove and the lower sliding groove to slide.
4. The sound level meter fixing mechanism according to claim 3, further comprising an extension bar, wherein the extension bar and the movable slide bar have the same structure, and the extension bar and the movable slide bar are in butt fit, a connecting rod is respectively inserted between two groups of left slide grooves and two groups of right slide grooves after butt joint, insertion grooves are arranged at two ends of the connecting rod, insertion rods inserted in the insertion grooves are arranged on the extension bar and the movable slide bar in a penetrating manner, through cavities extending in the length direction are arranged in the extension bar and the movable slide bar, one end of the insertion rod penetrates through the through cavity and is inserted in the insertion groove, a convex ring is connected outside the insertion rod in the through cavity, and a compression spring for tightly inserting the insertion rod in the insertion groove is abutted between the convex ring and the side wall of the through cavity.
5. A sound level meter fixing mechanism according to claim 4, characterized in that the end of the extension bar or the movable slide bar is sleeved with a cover.
6. A sound level meter fixed establishment of claim 3, characterized in that rotates on the sound level meter mounting panel and is connected with a swivel nut, swivel nut threaded connection has a dwang, the end fixing of dwang has the second sliding block of spacing gliding in last spout.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123109842.5U CN216695268U (en) | 2021-12-10 | 2021-12-10 | Fixing mechanism for sound level meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123109842.5U CN216695268U (en) | 2021-12-10 | 2021-12-10 | Fixing mechanism for sound level meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216695268U true CN216695268U (en) | 2022-06-07 |
Family
ID=81838353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123109842.5U Active CN216695268U (en) | 2021-12-10 | 2021-12-10 | Fixing mechanism for sound level meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216695268U (en) |
-
2021
- 2021-12-10 CN CN202123109842.5U patent/CN216695268U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220720 Address after: 201505 No. 79, Tinghua Road, Tinglin Town, Jinshan District, Shanghai Patentee after: Shanghai angqin measurement and Control Technology Co.,Ltd. Patentee after: China Automotive Technology (Beijing) Co.,Ltd. Address before: 201505 No. 79, Tinghua Road, Tinglin Town, Jinshan District, Shanghai Patentee before: Shanghai angqin measurement and Control Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |