CN212785745U

CN212785745U - Support frame

Info

Publication number: CN212785745U
Application number: CN202021770931.7U
Authority: CN
Inventors: 应东义
Original assignee: NINGBO XINLIJIE METAL PRODUCTS CO Ltd
Current assignee: NINGBO XINLIJIE METAL PRODUCTS CO Ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-03-23
Anticipated expiration: 2030-08-24

Abstract

The utility model belongs to the technical field of support, especially, be a support, including forearm and block install the fastener outside the forearm, be equipped with the annular knurl sleeve that length is less than the forearm on the lateral wall of forearm, the forearm includes stock and quarter butt, the annular knurl sleeve is fixed in the lateral wall of stock, stock and quarter butt junction have meshing portion, the one end that is close to the quarter butt in the stock has the chamber of holding; through setting up the forearm of constituteing by stock and quarter butt, and set up between stock and the quarter butt can circumference spacing zigzag meshing portion, can adjust the circumference angle of microphone at any time to fix, wherein set up the annular knurl sleeve on the lateral wall of stock, can strengthen and the fastener between the frictional force, thereby can reduce not hard up possibility, consequently microphone angle is conveniently adjusted to this structure, and can strengthen the block frictional force between quarter butt and the fastener, avoids not hard up.

Description

Support frame

Technical Field

The utility model belongs to the technical field of the support, concretely relates to support.

Background

The microphone support is usually including connecting the outer tube on the base, the internal grafting inner tube of outer tube, the top at the inner tube is installed to the microphone clamp, people are in order to make placing height-adjustable of microphone, consequently, set up the inner tube of microphone support as freely going up and down, and realize this raising and lowering functions's device including one the connector of installing at the outer tube top, there are external screw thread and locking pawl on the connector, the connector has a locking swivel nut to having, the inner tube is pegged graft in the tube hole of outer tube, down screw in the locking swivel nut along the external screw thread, the locking swivel nut is downward, inwards extrude locking pawl and lock the inner tube.

The existing microphone support is mostly in tightness degree through adjusting the clamping piece, come the stock that the pull is connected with the microphone, adjust the position of microphone, however, because the focus of microphone is biasing one side, if the clamping piece is not hard up with the stock, then the condition of microphone wind direction underspin roll-off can appear, want the angle of finely tuning the microphone when the staff, still want elasticity clamping piece once more, the process is comparatively troublesome, and the elasticity of repetitious repetitions many times, cause block department not hard up easily.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a support to solve the above-mentioned problem.

In order to achieve the above object, the utility model provides a following technical scheme: a bracket comprises a short arm and a clamping piece clamped and installed outside the short arm, wherein a knurled sleeve with the length smaller than that of the short arm is arranged on the outer side wall of the short arm, the short arm comprises a long rod and a short rod, the knurled sleeve is fixed on the outer side wall of the long rod, a meshing part is arranged at the joint of the long rod and the short rod, one end of the long rod close to the short rod is provided with an accommodating cavity, the end part of the short rod is fixedly provided with a limit nail, the limit nail extends into the containing cavity, a spring in a compressed state is arranged between the limit nail and the long rod, so that the long rod is elastically connected with the short rod, the clamping piece is clamped and installed on the outer side wall of the knurled sleeve, and a knob body for adjusting the tightness is arranged on the clamping piece, a pivot base is clamped between the knob body and the clamping piece, and the knob body and the clamping piece are fixed in a threaded manner.

Preferably, the fastener includes clutch cone, short arm clamp and short movable arm clamp bush, clutch cone, short arm clamp symmetric distribution are in the telescopic both sides of annular knurl, short movable arm clamp bush is located between short arm clamp and the annular knurl sleeve, clutch cone and short arm clamp centre gripping each other fixedly.

Preferably, a screw is installed on the knob body in a threaded manner, the other end of the screw penetrates through the pivot base and the clutch cone and is fixedly connected with the short arm clamp, and a keying thrust washer and a steel washer are installed at the joint of the screw and the knob body.

Preferably, one end of the long rod, which is far away from the short rod, is provided with a short movable arm end cover, and the short movable arm end cover is fixedly connected with the long rod through a rivet.

Preferably, one end of the short rod, which is far away from the long rod, is fixedly provided with a thread joint, and a thread ring is sleeved and fixed outside the thread joint.

Preferably, the clutch cone and the short movable arm hoop bushing are made of nylon materials, and the pivot base and the short arm clamp are made of zinc alloy materials.

Preferably, the meshing part is a saw-toothed shape, and the long rod and the short rod are circumferentially clamped and fixed through the meshing part.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, through setting up the forearm of constituteing by stock and quarter butt, and set up between stock and the quarter butt can circumference spacing zigzag meshing portion, can adjust the circumference angle of microphone at any time to it is fixed, wherein set up the annular knurl sleeve on the lateral wall of stock, can strengthen and the fastener between the frictional force, thereby can reduce not hard up possibility, consequently microphone angle is conveniently adjusted to this structure, and can strengthen the block frictional force between quarter butt and the fastener, avoid not hard up.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the explosive splitting state of the present invention;

fig. 3 is a schematic structural view of another viewing angle of the present invention;

fig. 4 is a schematic top view of the present invention.

In the figure: 1. a short arm; 101. a long rod; 102. a short bar; 103. an accommodating chamber; 104. an engaging portion; 11. a thread joint; 111. a threaded ring; 12. a short movable arm end cover; 121. riveting; 13. a limit pin; 14. a spring; 2. a knurled sleeve; 3. a fastener; 31. a clutch cone; 32. a short arm clamp; 33. a short movable arm clamp bushing; 4. a pivot base; 5. a knob body; 51. a steel washer; 52. a keyed thrust washer; 53. and (4) screws.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a support comprises a short arm 1 and a clamping piece 3 clamped and installed outside the short arm 1, wherein a knurled sleeve 2 with the length smaller than that of the short arm 1 is arranged on the outer side wall of the short arm 1, the short arm 1 comprises a long rod 101 and a short rod 102, the knurled sleeve 2 is fixed on the outer side wall of the long rod 101, a meshing part 104 is arranged at the joint of the long rod 101 and the short rod 102, an accommodating cavity 103 is arranged at one end, close to the short rod 102, in the long rod 101, a limit nail 13 is fixedly arranged at the end part of the short rod 102, the limit nail 13 extends into the accommodating cavity 103, and a spring 14 in a compression state is installed between the limit nail 13 and the long rod 101, so that the long rod 101 and the short rod 102 are elastically connected, the clamping piece 3 is clamped and installed on the outer side wall of the knurled sleeve 2, and the clamping piece 3 is provided with a knob body 5 for adjusting the tightness, a pivot base 4 is clamped between the knob body 5 and the clamping piece 3, and the knob body 5 and the clamping piece 3 are fixed in a threaded manner.

In this embodiment, constitute by stock 101 and quarter butt 102 through setting up quarter butt 1, and set up the zigzag meshing portion 104 that can circumference spacing between stock 101 and the quarter butt 102, wherein set up knurling sleeve 2 on the lateral wall of stock 101, can strengthen the frictional force between with fastener 3, thereby can reduce not hard up possibility, set up the thread joint 11 of being connected with the microphone in quarter butt 102's one end, can be connected with the microphone, when using, can also outwards stimulate quarter butt 102 and make zigzag meshing portion 104 break away from each other, then rotate certain angle, loosen again, make quarter butt 102 and stock 101 mesh portion 104 reengages under the effect of spring 14, accomplish circumference fixed, alright accomplish the regulation, therefore this structure conveniently adjusts the microphone angle, and can strengthen the block frictional force between quarter butt 1 and the fastener 3, avoid becoming flexible.

Specifically, in fig. 2, the engaging member 3 includes a clutch cone 31, a short arm clamp 32 and a short arm clamp bush 33, the clutch cone 31 and the short arm clamp 32 are symmetrically distributed on two sides of the knurled sleeve 2, the short arm clamp bush 33 is located between the short arm clamp 32 and the knurled sleeve 2, the clutch cone 31 and the short arm clamp 32 are clamped and fixed with each other, and when in use, tightness between the clutch cone 31 and the short arm clamp 32 is adjusted by adjusting tightness between the knob body 5 and the screw 53, so that tightness between the engaging member 3 and the short arm 1 can be adjusted.

Specifically, in fig. 2, a screw 53 is threadedly mounted on the knob body 5, the other end of the screw 53 penetrates through the pivot base 4 and the clutch cone 31 and is fixedly connected with the short arm clamp 32, a keyed thrust washer 52 and a steel washer 51 are mounted at the joint of the screw 53 and the knob body 5, and when the locking device is used, the length between the knob body 5 and the screw 53 is adjusted by rotating the knob body 5, so that the degree of pressing the clutch cone 31 is changed, and the tightness between the clamping piece 3 and the short arm 1 is adjusted.

Specifically, in fig. 4, the short movable arm end cover 12 is installed at the end of the long rod 101 far away from the short rod 102, and the short movable arm end cover 12 is fixedly connected with the long rod 101 through the rivet 121, the end of the short rod 102 far away from the long rod 101 is fixedly installed with the screw joint 11, the external sleeve of the screw joint 11 is provided with the threaded ring 111, the short movable arm end cover 12 is arranged at the end of the long rod 101, and is fixed by the rivet 121, the end of the long rod 101 can be plugged, so that the long rod 101 is more attractive, the end of the short rod 102 is provided with the screw joint 11, and the short movable arm end cover is used for connecting a microphone, and the circumferential rotation angle of the.

Specifically, the clutch cone 31 and the short movable arm clamp bush 33 are both made of nylon, the pivot base 4 and the short movable arm clamp 32 are made of zinc alloy, and the clutch cone 31 and the short movable arm clamp bush 33 made of nylon have a certain deformation amount, so that the contact area between the clutch cone and the knurled sleeve 2 can be increased, the friction force is increased, and the possibility of looseness is reduced.

Specifically, meshing portion 104 is the cockscomb structure, and stock 101 passes through meshing portion 104 circumference block with quarter butt 102 to be fixed, and the meshing portion 104 of cockscomb structure can carry out the block spacing to the circumference of stock 101 with quarter butt 102, guarantees the stability of microphone angle after adjusting.

The utility model discloses a theory of operation and use flow: when the microphone is used, the pivot base 4 is installed on a support frame, then a microphone is installed on the thread joint 11 at the end part of the short rod 102, the knob body 5 is firstly screwed to loosen the space between the clutch cone 31 and the short movable arm hoop bushing 33, then the short arm 1 is pulled to a proper length so as to be convenient for a worker to use, then the knob body 5 is screwed down so that the clutch cone 31 and the short movable arm hoop bushing 33 are mutually pressed to fix the position of the short arm 1, the worker can pull the short rod 102 outwards to separate the zigzag meshing parts 104 according to requirements, then the short rod 102 and the long rod 101 rotate for a certain angle and then are loosened so that the meshing parts 104 are re-meshed under the action of the spring 14, and circumferential fixing is completed.

Finally, it should be noted that: 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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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

1. The utility model provides a support, includes that short arm (1) and block are installed at the outside fastener (3) of short arm (1), its characterized in that: the outer side wall of the short arm (1) is provided with a knurled sleeve (2) with a length smaller than that of the short arm (1), the short arm (1) comprises a long rod (101) and a short rod (102), the knurled sleeve (2) is fixed on the outer side wall of the long rod (101), a meshing part (104) is arranged at the joint of the long rod (101) and the short rod (102), a containing cavity (103) is formed in one end, close to the short rod (102), of the long rod (101), a limiting nail (13) is fixedly arranged at the end part of the short rod (102), the limiting nail (13) extends into the containing cavity (103), a spring (14) in a compression state is arranged between the limiting nail (13) and the long rod (101) to enable the long rod (101) to be elastically connected with the short rod (102), a clamping piece (3) is clamped on the outer side wall of the knurled sleeve (2), and a knob body (5) for adjusting tightness is arranged on the clamping piece (3), a pivot base (4) is clamped between the knob body (5) and the clamping piece (3), and the knob body (5) and the clamping piece (3) are fixed in a threaded manner.

2. A bracket according to claim 1, wherein: fastener (3) include clutch cone (31), short arm clamp (32) and short movable arm clamp bush (33), clutch cone (31), short arm clamp (32) symmetric distribution are in the both sides of knurling sleeve (2), short movable arm clamp bush (33) are located between short arm clamp (32) and knurling sleeve (2), clutch cone (31) are fixed with short arm clamp (32) mutual centre gripping.

3. A bracket according to claim 2, wherein: a screw (53) is installed on the knob body (5) in a screwed mode, the other end of the screw (53) penetrates through the pivot base (4) and the clutch cone (31) and is fixedly connected with the short arm clamp (32), and a keying thrust washer (52) and a steel washer (51) are installed at the connection position of the screw (53) and the knob body (5).

4. A bracket according to claim 1, wherein: one end, far away from the short rod (102), of the long rod (101) is provided with a short movable arm end cover (12), and the short movable arm end cover (12) is fixedly connected with the long rod (101) through a rivet (121).

5. A support according to claim 4, wherein: one end, far away from the long rod (101), of the short rod (102) is fixedly provided with a thread joint (11), and a threaded ring (111) is sleeved and fixed outside the thread joint (11).

6. A bracket according to claim 2, wherein: the clutch cone (31) and the short movable arm hoop bushing (33) are made of nylon materials, and the pivot base (4) and the short arm clamp (32) are made of zinc alloy materials.

7. A bracket according to claim 1, wherein: the engagement part (104) is in a sawtooth shape, and the long rod (101) and the short rod (102) are circumferentially clamped and fixed through the engagement part (104).