CN210405650U

CN210405650U - Novel microphone anchor clamps

Info

Publication number: CN210405650U
Application number: CN201922068083.9U
Authority: CN
Inventors: 陈祖云
Original assignee: Nanjing Longhui Electroacoustic Automation Co ltd
Current assignee: Nanjing Longhui Electroacoustic Automation Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-04-24
Anticipated expiration: 2029-11-26

Abstract

The utility model provides a novel microphone anchor clamps, including the mounting bracket, the mounting bracket includes the bottom plate, and the bottom plate upper surface left and right sides is fixed respectively and is provided with the support column, and the fixed crossbeam that is provided with in top of support column, the fixed sleeve that is provided with in the middle of the crossbeam, the inside rotation of sleeve is provided with the pivot. The utility model provides a novel microphone clamp which is characterized in that a first connecting block and a second connecting block are fixedly installed through a first bolt, and a sliding rod makes circular rotation motion in a second sliding groove, so that the rotation angle adjustment of 360 degrees can be realized; when the first fastening screw is loosened, the second connecting arm can rotate relative to the first connecting arm, and after the second connecting arm rotates to the designated position, the second connecting arm is fixed through the first fastening screw; when the second fastening screw is unscrewed, the rotation of the annular sleeve relative to the second connecting arm can be realized through the rotating arm, and after the annular sleeve is rotated to a specified position, the annular sleeve is fixed through the mutual matching of the nut and the second fastening screw, so that the omnidirectional direction adjustment is realized.

Description

Novel microphone anchor clamps

Technical Field

The utility model relates to a microphone test fixture field especially relates to a novel microphone anchor clamps.

Background

The microphone is one of the most commonly used metrology tools in the NVH testing field. Most microphones on the market have directivity, that is, the top end of the microphone must be directed to a tested object in the acoustic test process, otherwise, the test data is inaccurate, and the position fixing and the direction adjustment of the microphone are involved.

In addition, no ideal microphone clamp exists in the market at present. Usually, the microphone fixtures are compatible with the special test instruments and cannot be replaced, which makes the test extremely inflexible when the tester needs to measure a sound source site by using a single microphone independently. The tester can only find some tools with certain firmness and toughness to fix the microphone on a tripod or other devices, and the position fixing and the direction adjustment of the microphone are realized through bending and twisting.

Therefore, there is a need to provide a new microphone clamp to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel microphone anchor clamps has solved the test dumb that mentions among the above-mentioned background art, and some instruments that have certain tightness and toughness can only be look for to the tester fix on devices such as tripods, thereby fix the microphone to through buckling and twisting reverse, realize the problem of the rigidity of microphone and the adjustment of direction.

In order to solve the technical problems, the utility model provides a novel microphone clamp, which comprises a mounting frame, wherein the mounting frame comprises a bottom plate, the left side and the right side of the upper surface of the bottom plate are respectively and fixedly provided with a supporting column, the top end of the supporting column is fixedly provided with a crossbeam, the middle of the crossbeam is fixedly provided with a sleeve, the sleeve is internally and rotatably provided with a rotating shaft, the rotating shaft is arranged in the sleeve in a penetrating way, the sleeve is internally and fixedly provided with a bearing, the rotating shaft is fixedly arranged in the bearing inner ring, the rotating shaft is fixedly provided with a sliding rod, the inner wall of the sleeve is longitudinally provided with a first sliding chute, the lower part of the first sliding chute is transversely provided with a second sliding chute, the first sliding chute is communicated with the second sliding chute, the bottom of the rotating shaft extends to the lower part of the bottom of the sleeve and, and the outer sides of the first clamping block and the second clamping block are respectively and correspondingly fixedly provided with a first connecting block and a second connecting block.

Preferably, the first sliding groove and the second sliding groove have the same size, and the rotating shaft is matched with the first sliding groove and the second sliding groove.

Preferably, the first connecting block and the second connecting block are fixed by a first bolt.

Preferably, the fixed first linking arm that is provided with in second clamp splice bottom, the fixed second linking arm that is provided with in first linking arm both sides outside, be connected with the annular sleeve through the rocking arm in the middle of the second linking arm bottom, the inside microphone that is provided with of annular sleeve, the through-hole has been seted up to the outside one side of annular sleeve, through-hole internal thread is provided with the second bolt.

Preferably, the first connecting arm is rotatably connected with the second connecting arm through a first fastening screw, the second connecting arm is connected with the rotating arm through a second fastening screw, and nuts are respectively arranged at two ends of the second fastening screw.

Preferably, the beam and the sleeve are arranged to be detachably connected.

Compared with the prior art, the utility model provides a pair of novel microphone anchor clamps have following beneficial effect:

the utility model provides a novel microphone clamp, which is characterized in that a first connecting block and a second connecting block are fixedly installed through a first bolt, and a sliding rod makes circular rotation motion in a second sliding groove, so that the adjustment of a rotation angle of 360 degrees can be realized; when the first fastening screw is loosened, the second connecting arm can rotate relative to the first connecting arm, and after the second connecting arm rotates to the designated position, the second connecting arm is fixed through the first fastening screw; when the second fastening screw is unscrewed, the annular sleeve can be rotated relative to the second connecting arm through the rotating arm, and after the annular sleeve is rotated to a specified position, the annular sleeve is fixed through mutual matching of the nut and the second fastening screw, so that the omnidirectional direction adjustment is achieved, and the microphone is fixed through the second bolt and the annular sleeve in the matching of the through hole.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a novel microphone fixture provided by the present invention;

FIG. 2 is a side view of the sleeve of the novel microphone clamp of FIG. 1;

fig. 3 is a top view of the novel microphone clamp sleeve of fig. 1.

Reference numbers in the figures: 1. a mounting frame; 1-1, a bottom plate; 1-2, a support column; 1-3, a cross beam; 2. a sleeve; 3. a rotating shaft; 4. a bearing; 5. a slide bar; 6. a first chute; 7. a second chute; 8. a first clamping block; 9. a second clamp block; 10. a first connection block; 11. a second connecting block; 12. a first bolt; 13. a first connecting arm; 14. a second connecting arm; 15. a rotating arm; 16. an annular sleeve; 17. a microphone; 18. a second bolt; 19. a first fastening screw; 20. a second fastening screw; 21. and a nut.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a novel microphone clamp according to the present invention; FIG. 2 is a schematic view of the internal structure of the sleeve of the novel microphone clamp of FIG. 1; fig. 3 is a top view of the novel microphone clamp sleeve of fig. 1. A novel microphone 17 fixture comprises a mounting frame 1, wherein the mounting frame 1 comprises a bottom plate 1-1, support columns are fixedly arranged on the left side and the right side of the upper surface of the bottom plate 1-1 respectively, cross beams 1-3 are fixedly arranged at the top ends of the support columns, a sleeve 2 is fixedly arranged in the middle of the cross beams 1-3, a rotating shaft 3 is rotatably arranged in the sleeve 2, the rotating shaft 3 is arranged in the sleeve 2 in a penetrating manner, a bearing 4 is fixedly arranged in the sleeve 2, the rotating shaft 3 is fixedly arranged in an inner ring of the bearing 4, a slide bar 5 is fixedly arranged on the rotating shaft 3, a first sliding groove 6 is longitudinally arranged on the inner wall of the sleeve 2, a second sliding groove 7 is transversely arranged below the first sliding groove 6, the first sliding groove 6 is communicated with the second sliding groove 7, the bottom of the rotating shaft 3 extends to the lower part of the bottom of the, the second clamping block 9 is arranged below the first clamping block 8, and a first connecting block 10 and a second connecting block 11 are respectively and correspondingly and fixedly arranged on the outer sides of the first clamping block 8 and the second clamping block 9.

First spout 6 is the same with second spout 7 size, pivot 3 with first spout 6 and second spout 7 looks adaptation move down along first spout 6 with the slide bar 5 in the pivot 3 during the installation, until move inside second spout 7, block simple to operate.

The first connecting block 10 and the second connecting block 11 are fixed through a first bolt 12, so that the first clamping block 8 and the second clamping block 9 can be conveniently detached and installed.

The fixed first linking arm 13 that is provided with in second clamp splice 9 bottom, first linking arm 13 both sides outside is fixed and is provided with second linking arm 14, be connected with annular sleeve 16 through rocking arm 15 in the middle of second linking arm 14 bottom, the inside microphone 17 that is provided with of annular sleeve 16, the through-hole has been seted up to 16 outside one sides of annular sleeve, through-hole internal thread is provided with second bolt 18, and second bolt 18 is convenient for fix microphone 17.

The first connecting arm 13 is rotatably connected with the second connecting arm 14 through a first fastening screw 19, the second connecting arm 14 is connected with the rotating arm 15 through a second fastening screw 20, nuts 21 are respectively arranged at two ends of the second fastening screw 20, and the first fastening screw 19 and the second fastening screw 20 are used for facilitating the rotation and angle adjustment.

The beams 1-3 and the sleeve 2 are arranged in a detachable connection, and the clamp can be used independently.

The utility model provides a pair of novel microphone anchor clamps's theory of operation as follows:

when the device is used, the first connecting block 10 and the second connecting block 11 are installed and fixed through the first bolt 12, and the 360-degree rotation angle adjustment can be realized through the circular rotation motion of the sliding rod 5 in the second sliding chute 7; when the first fastening screw 19 is loosened, the second connecting arm 14 can rotate relative to the first connecting arm 13, and after the first fastening screw 19 is rotated to the designated position, the second connecting arm is fixed through the first fastening screw 19; when the second fastening screw 20 is loosened, the rotation of the annular sleeve 16 relative to the second connecting arm 14 can be realized through the rotating arm 15, after the rotation to the designated position, the fixing is realized through the mutual matching of the nut 21 and the second fastening screw 20, so that the omnidirectional direction adjustment is realized, and the microphone 17 is fixed through the matching of the second bolt 18 and the through hole on the annular sleeve 16.

the first connecting block and the second connecting block are fixedly installed through the first bolt, and the sliding rod makes circular rotation motion in the second sliding groove, so that the rotation angle of 360 degrees can be adjusted; when the first fastening screw is loosened, the second connecting arm can rotate relative to the first connecting arm, and after the second connecting arm rotates to the designated position, the second connecting arm is fixed through the first fastening screw; when the second fastening screw is unscrewed, the annular sleeve can be rotated relative to the second connecting arm through the rotating arm, and after the annular sleeve is rotated to a specified position, the annular sleeve is fixed through mutual matching of the nut and the second fastening screw, so that the omnidirectional direction adjustment is achieved, and the microphone is fixed through the second bolt and the annular sleeve in the matching of the through hole.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A novel microphone (17) anchor clamps, includes mounting bracket (1), its characterized in that: the mounting rack (1) comprises a bottom plate (1-1), support columns are fixedly arranged on the left side and the right side of the upper surface of the bottom plate (1-1) respectively, a cross beam (1-3) is fixedly arranged at the top end of each support column, a sleeve (2) is fixedly arranged in the middle of the cross beam (1-3), a rotating shaft (3) is rotatably arranged in the sleeve (2), the rotating shaft (3) is arranged in the sleeve (2) in a penetrating manner, a bearing (4) is fixedly arranged in the sleeve (2), the rotating shaft (3) is fixedly arranged in an inner ring of the bearing (4), a sliding rod (5) is fixedly arranged on the rotating shaft (3), a first sliding groove (6) is longitudinally arranged on the inner wall of the sleeve (2), a second sliding groove (7) is transversely arranged below the first sliding groove (6), and the first sliding groove (6) is communicated with the second, the bottom of the rotating shaft (3) extends to a first clamping block (8) fixedly connected below the bottom of the sleeve (2), a second clamping block (9) is arranged below the first clamping block (8), and a first connecting block (10) and a second connecting block (11) are respectively and correspondingly and fixedly arranged on the outer sides of the first clamping block (8) and the second clamping block (9).

2. The novel microphone (17) clamp as claimed in claim 1, wherein the first sliding groove (6) and the second sliding groove (7) are the same in size, and the rotating shaft (3) is matched with the first sliding groove (6) and the second sliding groove (7).

3. The new microphone (17) fixture as claimed in claim 1, wherein the first connection block (10) and the second connection block (11) are fixed by a first bolt (12).

4. The novel microphone (17) clamp as claimed in claim 1, wherein a first connecting arm (13) is fixedly arranged at the bottom of the second clamping block (9), second connecting arms (14) are fixedly arranged at the outer parts of the two sides of the first connecting arm (13), a ring-shaped sleeve (16) is connected to the middle of the bottom of each second connecting arm (14) through a rotating arm (15), a microphone (17) is arranged in each ring-shaped sleeve (16), a through hole is formed in one side of the outer part of each ring-shaped sleeve (16), and a second bolt (18) is arranged in each through hole in a threaded manner.

5. The novel clamp for the microphone (17) as claimed in claim 4, wherein the first connecting arm (13) is rotatably connected with the second connecting arm (14) through a first fastening screw (19), the second connecting arm (14) is connected with the rotating arm (15) through a second fastening screw (20), and nuts (21) are respectively arranged at two ends of the second fastening screw (20).

6. Microphone (17) holder as claimed in claim 1, characterized by the fact that the cross-piece (1-3) and the sleeve (2) are arranged in a detachable connection.