CN204334912U - Clamping structure - Google Patents

Abstract

A kind of clamping structure, comprises locking wrench, latch, connecting axle, spring, the first part and the second part.Connecting axle comprises base portion, bar portion and shaft shoulder portion.Locking wrench is set to be mounted to base portion pivotly.Be accommodated in the first installing hole of the first part, the second installing hole of the first installing hole and the second part is passed in bar portion, is fixed by connecting axle fixture this base segments.First grinding tooth ring of the first part composition surface and the second grinding tooth ring of the second part composition surface match, and have a depth of engagement.Spring housing is located in bar portion and is accommodated in the first installing hole, and against shaft shoulder portion, the other end is against the medial surface of the first part composition surface in one end, and it is in compressive state.In locking state, locking wrench is against the first part.Locking wrench can around latch pivotable to switch to releasing orientation, and wherein grinding tooth ring keeps engaging, and locking wrench distance the first part is with a distance, and this distance is greater than the depth of engagement.

Description

Clamping structure

Technical field

The application relates to a kind of clamping structure, especially for the clamping structure of microphone.

Background technology

Clamping structure for releasably fixed product is common, and it is such as applied to handle clamping of folding bicycle, the clamping etc. of microphone.The advantage of this type of clamping structure can realize the fixing of product easily and unclamp, thus need when product needed is installed or in the position of product can easily realize during change.

Commonly, such clamping structure uses frictional force to fix equipment.But such structure has relevant inferior position, that is, the External Force Actings such as the collision in use produced, vibrations easily cause friction mechanism abrasion deformation, thus make the product by clamping produce relative motion.Further, the wearing and tearing of such friction mechanism also can cause the solid failure of product, thus cause coming off or damaging of product.

The utility model is intended to the clamping structure providing a kind of improvement, it can ensure that the equipment by clamping is stably fixed, conveniently adjustment is by the orientation of chucking device relative to this clamping mechanism, even and if also can not be there is relative motion outside user's intention in the loosened condition by chucking device.And further, it can provide force feedback clearly when carrying out orientation adjustment.

Utility model content

This application discloses a kind of clamping structure, this clamping structure comprises locking wrench, latch, connecting axle, spring, the first part and the second part.

The bar portion that this connecting axle comprises base portion and extends from this base portion, wherein the cross section in this bar portion is less than the cross section of base portion, to form shaft shoulder portion on base portion, and on base portion, is provided with pin hole transverse to described connecting axle.

Wherein, locking wrench to be mounted to the base portion of connecting axle pivotly around latch by being inserted in latch in pin hole.

First part comprises its first installing hole of break-through, this the first installing hole size is set to the base portion being suitable for receiving connecting axle, this first part also comprises for the first part composition surface with the second part joint, a part partly closed first installing hole of this first part composition surface.

Second part is provided with its second installing hole of break-through, this the second installing hole size is set to the bar portion being suitable for receiving connecting axle, and comprise for the second part composition surface with the first part joint, wherein connecting axle base segments be accommodated in the first installing hole, the first installing hole is extended in its bar portion, and through the second installing hole, and the part that the second installing hole is stretched out in this bar portion is fixed relative to the second part by connecting axle fixture.

Wherein, the first part composition surface is provided with the first grinding tooth ring around the first installing hole, and on the second part composition surface, the second installing hole is provided with the second grinding tooth ring, this first grinding tooth ring and the second grinding tooth ring match, and have the predetermined depth of engagement.

And, described spring housing is located in the bar portion of connecting axle, be accommodated in the first installing hole, one end of this spring is against the shaft shoulder portion of described connecting axle, and the other end is against the medial surface of the first part composition surface, and this spring is in compressive state, the medial surface of this first part composition surface applies the power of sensing second part.

In locking state, locking wrench is against the first part, and the first grinding tooth ring and the second grinding tooth engagement of loops, and now, locking wrench can around latch pivotable, until switch to releasing orientation; In releasing orientation, the first grinding tooth ring keeps and the second grinding tooth engagement of loops, and locking wrench is thrown off from the first part, and distance the first part is with a distance, and this distance is greater than the depth of engagement.

In other preferred embodiments, the first part also comprises guide portion, and this guide portion is protruding from the first part composition surface, and the second part comprises guide portion incorporating section, and cave in from the second part composition surface in this guide portion incorporating section, to receive described guide portion.

Preferably, this guide portion and the first installing hole are coaxial, and this installation guide portion axially extends the first installing hole.

Preferably, this guide portion is the cylindrical shape of hollow.

Preferably, aforesaid connecting axle fixture comprises pad and snap ring, and the part that connecting axle stretches out the second installing hole comprises snap ring junction surface.

Content of the present invention described above is only exemplarily, it will be understood by those skilled in the art that and can change this clamping structure based on spirit of the present invention and improve and do not deviate from the present invention.Scope of the present invention determined by appending claims.

Accompanying drawing explanation

In the mode of non-limiting example, better illustrate the structure according to clamping structure of the present utility model hereinafter with reference to following accompanying drawing.

Fig. 1 is the decomposition diagram of the clamping structure according to the first embodiment of the present utility model;

Fig. 2 (a) is for being in the diagrammatic side view of the clamping structure according to the first embodiment of the present utility model in locking state;

Fig. 2 (b) is for being in the diagrammatic side view of the clamping structure according to the first embodiment of the present utility model in releasing orientation;

Fig. 3 (a) is for being in the show in schematic partial sections of the clamping structure according to the first embodiment of the present utility model in locking state;

Fig. 3 (b) is for being in the show in schematic partial sections of the clamping structure according to the first embodiment of the present utility model in releasing orientation;

Fig. 4 is the decomposition diagram of the clamping structure according to the second embodiment of the present utility model;

Fig. 5 (a) is for being in the show in schematic partial sections of the clamping structure according to the second embodiment of the present utility model in locking state;

Fig. 5 (b) is for being in the show in schematic partial sections of the clamping structure according to the second embodiment of the present utility model in releasing orientation.

Embodiment

Hereinafter by reference to the accompanying drawings embodiment of the present utility model is described, should be understood that description is hereinafter only illustrative, and nonrestrictive.

The utility model discloses a kind of clamping structure 1, it is such as the clamping of microphone.Hereinafter by reference to the accompanying drawings, be described this with novel specific embodiment, will understand, embodiment is hereinafter only illustrative, but not limits the utility model, and protection range of the present utility model determined by described claims.

As shown in Figure 1, in a first embodiment, this clamping structure 1 comprises locking wrench 10, latch 20, connecting axle 30, spring 40, first part 50 and the second part 60.

Its for by the first part 50 and the second part 60 about being fixed to one another, and to switch in clamped condition and releasing orientation.In clamped condition, the first part 50 and the second part 60 position are relative to each other fixed, and relative movement can not occur, comprise the translation and rotation that can not occur relative to each other.

The switching of this state is exemplarily undertaken by locking wrench 10, will be described in detail its layout and handover mechanism hereinafter.

As shown in Figure 1, in this clamping structure 1, the bar portion 32 that connecting axle 30 comprises base portion 31 and extends from this base portion 31.Wherein, the cross section perpendicular to the bar portion 32 of the extension axis of connecting axle 30 is less than the cross section of base portion 31, with 31 formation shaft shoulder portions 34 on base portion.

In the present embodiment, this connecting axle 30 generally has columniform shape, and accordingly, and its base portion 31 and bar portion 32 all have columniform shape and coaxial.But those skilled in the art also can understand, this connecting axle 30 and/or its base portion 31 and/or bar portion 32 also can have other shapes, such as cross section is the random geometries such as square, rectangle or ellipse, and the shape of cross section in base portion 31 and bar portion 32 is not necessary for same type.The variation of above-mentioned concrete shape can't cause it to deviate from protection range of the present utility model.

As shown in Figure 1, on this base portion 31, transverse to the extension axis of connecting axle 30, this base portion 31 of break-through is provided with pin hole 33.The size of this pin hole 33 is set to applicable latch 20 and passes.

Locking wrench 10 is provided with installing hole 12 accordingly.This installing hole 12 such as be separately positioned on the base portion 11 of locking wrench 10 opposite side portion on and a pair installing hole 12 of alignment.Exemplarily, the size of this pair installing hole 12 is set to applicable latch 20 and passes.More particularly, the size of this pair installing hole 12 and the measure-alike of pin hole 33, and equal the diameter of the appropriate section of latch 20.

As Fig. 2 (a) and this latch 20 of Fig. 2 (b) are arranged through aforesaid a pair installing hole 12 and pin hole 33, locking wrench 10 is mounted to the base portion 31 of connecting axle 30, wherein, this locking wrench 10 can be pivoted relative to connecting axle 30 around latch 20.

Those skilled in the art also can understand; in other examples; this installing hole 12 can be such as one; and/or the base portion 31 of the whole connecting axle 30 of pin hole 33 not break-through; as long as it does not affect locking wrench 10 around latch 20 relative to connecting axle 30 pivotable, this variation does not just cause it to deviate from protection range of the present utility model.

As shown in Figure 1, in the present embodiment, the first part 50 comprises its installing hole 53 of break-through, is called the first installing hole 53 hereinafter.This first installing hole 53 such as extends to the second surface 52 of the first part 50 from the first surface 51 of the first part 50.Exemplarily, this first surface 51 relative to second surface 52 closer to aforesaid locking wrench 10.Thus, second surface 52 adjacent second part 60 when mounted of the first part 50, also referred to as the first part composition surface 52.

As shown in Fig. 2 (a)-(b) and Fig. 3 (a)-(b), this first installing hole 53 size is set to the base portion 31 being suitable for receiving connecting axle 30.In the present embodiment, exemplarily, this first installing hole 53 size equals the diameter of this base portion 31 substantially, makes the base portion 31 of connecting axle 30 can axially translation wherein.

In addition, in the present embodiment, the first part mounting surface 52 is partly transverse to closed first installing hole 53 of outrigger shaft of the first installing hole 53.Exemplarily, in the present embodiment, it makes the outlet of the first installing hole 53 in the first part mounting surface 52 be a circular hole, this circular hole and the first installing hole 53 coaxial, and the bar portion 32 that diameter is suitable for connecting axle 30 is passed, such as, substantially equal the diameter in the bar portion 32 of connecting axle 30.

In other variants of the present embodiment, first part mounting surface 52 can otherwise close the first installing hole 53, make its outlet in the first part mounting surface 52 for other shapes, such as and nonaxisymmetrical, and it corresponds to the shape of cross section in bar portion 32, as long as can make the bar portion 32 of connecting axle 30 extend through.

As shown in Figure 1, second part 60 is provided with its second installing hole 63 of break-through, this second installing hole 63 extends to the second surface 62 of the second part 60 from the first surface 61 of the second part 60, exemplarily, this first surface 61 relative to second surface 62 closer to aforesaid locking wrench 10.Thus, first surface 61 adjacent first part 50 when mounted of the second part 60, also referred to as the second part composition surface 61.

This second installing hole 63 and aforesaid first installing hole 53 align, and alignment herein refers to the extension dead in line in two holes.And this second installing hole 63 size is set to the bar portion 32 being suitable for storage connecting axle 30, exemplarily, in the present embodiment, this the second installing hole 63 size equals the diameter in the bar portion 32 of connecting axle 30 substantially, make the bar portion 32 of connecting axle 30 can pass it, as shown in Fig. 2 (a)-(b) and Fig. 3 (a)-(b).

The base portion 31 of aforesaid connecting axle 30 is partly accommodated in the first installing hole 53, and wherein, the part that this base portion 31 part is provided with pin hole 33 is positioned at outside the first installing hole 53.And the bar portion 32 of this connecting axle 30 extends through the first part composition surface 52, stretch in the second installing hole 63, and the part in this bar portion 32 stretches out the second installing hole 63.Additionally, the part that this bar portion 32 extends beyond the second surface 62 of the second part 60 is fixed relative to the second part by connecting axle fixture 70.This connecting axle fixture 70 such as pad 71 and snap ring 72, and preferably, the part that this bar portion 32 extends beyond the second surface 62 of the second part 60 is provided with such as annular groove 321, for coordinating with snap ring 72.Such as pad 71 can also be provided with between snap ring 72 and the second surface of the second part 60.

Wherein, as shown in Figure 1, the first part composition surface 52 is provided with the first grinding tooth ring 54 around the first installing hole 53, and on the second part composition surface 61, second installing hole 63 is provided with the second grinding tooth ring 64.This first grinding tooth ring 54 and the second grinding tooth ring 64 match, and have predetermined depth of engagement H, as shown in Fig. 2 (a)-(b).

As shown in Fig. 3 (a)-(b), aforesaid spring 40 is set in the bar portion 32 of connecting axle 30, is accommodated in the first installing hole 53.One end of this spring 40 is against the shaft shoulder portion 34 of described connecting axle 30, and the other end is against the medial surface closing the part of the first installing hole 53 of the first part composition surface 52, and this spring 40 is in compressive state.This spring 40 applies the power of sensing second part 60 on the medial surface closing the part of the first installing hole 53 of this first part composition surface 52, the first part 50 and the second part 60 to be abutted together.

As previously mentioned, by the state of locking wrench 10 this clamping structure 1 changeable.This is realized around the pivotable of latch 20 relative to connecting axle 30 by locking wrench 10.As shown in Fig. 2 (a), in locking state, locking wrench 10 via a part of 11A of its base portion 11 against the first surface 51 of the first part 50.Now, the first grinding tooth ring 54 and the second grinding tooth ring 64 engage, and the first part 50 and the second part 60 are interfixed by the engagement of grinding tooth ring 54,64, relative to each other translation or rotation do not occur; And connecting axle 30 is connected shaft fixing device 70 fixes relative to the second part 60, relative to each other there is not translation and rotation in both.

By locking wrench 10 around the pivotable of latch 20 relative to connecting axle 30, this clamping structure 1 can be switched to releasing orientation.

As shown in Fig. 2 (b), in releasing orientation, another part 11B that locking wrench 10 is switched to its base portion 11 is relative with the first surface 51 of the first part 50, wherein, the distance of this part 11B distance bolt axle is less than the distance of base portion 11 against the part 11A distance bolt axle of the first surface 51 of the first part 50 of locking wrench 10 in locking state.Thus, now, locking wrench 10 the first part 50 of getting along well contact, and the first surface 51 1 distance D of relative part 11B distance the first part 50 of the first surface 51 of its now with the first part 50.In other words, now, locking wrench 10 can close to the first surface 51 of the first part 50 under the effect of external force, until both contacts.

Especially, in releasing orientation, locking wrench 10 is greater than the depth of engagement H of the first grinding tooth ring 54 and the second grinding tooth ring 64 apart from the distance D of the first surface 51 of the first part 50.Because locking wrench 10 is fixed to connecting axle 30 by latch 20, and connecting axle 30 is fixed to the second part 60 by connecting axle fixture 70, the external force such as acting on the second part 60 can make the second part 60 away from the first part 50, and thus locking wrench 10 close to the first surface 51 of the first part 50, and to be greater than the depth of engagement H of the first grinding tooth ring 54 and the second grinding tooth ring 64 apart from the distance D of the first surface 51 of the first part 50 due to locking wrench 10, when locking wrench 10 is greater than aforementioned depth of engagement H relative to the first part 50 along the distance that connecting axle 30 moves axially, first grinding tooth ring 54 and the second grinding tooth ring 64 are thrown off.When the first grinding tooth ring 54 and the second grinding tooth ring 64 are thrown off, the second part 60 can move relative to the first part 50, such as, rotates, such as to change the orientation of the second part 60 relative to the first part 50.And when external force is eliminated, due to the effect of spring 40, the first part 50 and the second part 60, again by close, make the first grinding tooth ring 54 and the second grinding tooth ring 64 again engage, stop the relative motion of the first part 50 and the second part 60 thus.By such setting, in releasing orientation, external force can act on the second part 60, this external force along the component of connecting axle 30 axis make connecting axle 30 and thus locking wrench 10 move along the direction of sensing second part 60, and this external force applies a torque to the second part 60 simultaneously, second part 60 is rotated, to change the orientation of the second part 60 relative to the first part 50 relative to the first part 50.When external force is eliminated, spring 40 makes the first grinding tooth ring 54 and the second grinding tooth ring 64 be re-engaged by its bias force.Thus, force feedback is provided when this clamping device 1 can convert the orientation of the second part 60 in releasing orientation.

In the second embodiment of the present utility model, as shown in Figure 4, clamping structure 1 comprises locking wrench 10, latch 20, connecting axle 30, spring 40, first part 50 and the second part 60 similarly, its difference is that the first part 50 also additionally comprises the guide portion 55 from the first part composition surface 52 projection, and accordingly, second part 60 additionally comprises guide portion incorporating section 65, caves in from the second part composition surface 61 in this guide portion incorporating section 65, to receive described guide portion 55.The structure of this guide portion 55 and guide portion incorporating section 65 can not affect the cooperation of the first grinding tooth ring 54 and the second grinding tooth ring 64.

As shown in Figure 4, preferably, this guide portion 55 is formed by partly closing the part projection of the first installing hole 53 from the first part composition surface 52.In the present embodiment, this guide portion 55 and the first installing hole 53 coaxially, such as, have cylinder form.And in the present embodiment, this guide portion 55 is hollow, and axially extends the first installing hole 53, as shown in Fig. 5 (a)-(b).In other words, the first installing hole 53 is continuous print, and has overall columniform shape.And exemplarily guide portion incorporating section 65 has the shape with the profile complementation of guide portion 55, it is annular recess.Now, be set in spring 40 one end in the bar portion 32 of connecting axle 30 against shaft shoulder portion 34, the other end is against the medial surface of guide portion 55.

In other variants of the present embodiment, this guide portion 55 can be the geometry in the part being additionally provided on partly closed first installing hole 53 in the first part composition surface 52, such as one or more jut, and the guide portion incorporating section 65 in the second part 60 is set to the annular recess that is suitable for receiving above-mentioned geometry, the structure of this guide portion 55 and guide portion incorporating section 65 can not affect the cooperation of the first grinding tooth ring 54 and the second grinding tooth ring 64.Now, the first installing hole 53 is not extended, and still one end is against shaft shoulder portion 34 to be set in spring 40 in the bar portion 32 of connecting axle 30, and the other end is against the medial surface of the first part composition surface 52 partly part of closed first installing hole 53.

Those skilled in the art can understand, and in the variant of the above embodiments, aforesaid connecting axle fixture 70 also can be common fixing means such as such as adhesive or weld part etc., and does not deviate from scope of the present utility model.

Exemplarily, this first part 50 is Microphone stand, and the second part 60 is microphone unit.

Although illustrated at least one exemplary embodiment in aforesaid general introduction and in describing in detail, should understand and there is a lot of variable part.Described one or more exemplary embodiment should be understood and be only example, and be not intended to limited range, purposes or configuration by any way.But, above-mentioned general introduction and detailed description will be provided for the explanation easily implementing at least one exemplary embodiment for those skilled in the art, various variation can be carried out to the function of the element described in exemplary embodiment and layout, and not deviate from the scope as illustrated in the equivalent on appending claims and its legal sense.

Claims (7)

1. a clamping structure, is characterized in that it comprises:

Locking wrench, latch, connecting axle, spring, the first part and the second part;

The bar portion that this connecting axle comprises base portion and extends from this base portion, wherein the cross section in this bar portion is less than the cross section of base portion, to form shaft shoulder portion on base portion, and on base portion, is provided with pin hole transverse to described connecting axle;

Locking wrench to be mounted to the base portion of connecting axle pivotly around latch by being inserted in latch in pin hole;

First part comprises its first installing hole of break-through, this the first installing hole size is set to the base portion being suitable for receiving connecting axle, this first part also comprises for the first part composition surface with the second part joint, a part partly closed first installing hole of this first part composition surface

Second part is provided with its second installing hole of break-through, and this second installing hole size is set to the bar portion being suitable for receiving connecting axle, and comprises the second part composition surface for engaging with the first part, wherein

Be accommodated in the first installing hole, the first installing hole is extended in its bar portion the base segments of connecting axle, and through the second installing hole, and the part that the second installing hole is stretched out in this bar portion is fixed relative to the second part by connecting axle fixture;

Wherein, the first part composition surface is provided with the first grinding tooth ring around the first installing hole, and on the second part composition surface, the second installing hole is provided with the second grinding tooth ring, this first grinding tooth ring and the second grinding tooth ring match, and have the predetermined depth of engagement;

And, described spring housing is located in the bar portion of described connecting axle, be accommodated in the first installing hole, one end of this spring is against the shaft shoulder portion of described connecting axle, and the other end is against the medial surface of described first part composition surface, and this spring is in compressive state, the medial surface of the part of partly closed first installing hole of this first part composition surface applies the power of sensing second part;

In locking state, locking wrench is against the first part, and the first grinding tooth ring and the second grinding tooth engagement of loops, and now, locking wrench can around latch pivotable, until switch to releasing orientation,

In releasing orientation, the first grinding tooth ring keeps and the second grinding tooth engagement of loops, and locking wrench is thrown off from the first part, and distance the first part is with a distance, and this distance is greater than the described depth of engagement.

2. clamping structure as claimed in claim 1, is characterized in that:

Described first part comprises guide portion, this guide portion from the first part engageable surface portions to close the part of the first installing hole protruding, and described second part comprises the guide portion incorporating section of annular, cave in from the second part composition surface in this guide portion incorporating section, to receive described guide portion, and this guide portion be accommodated in guide portion incorporating section does not affect the rotation of described second part relative to described first part.

3. clamping structure as claimed in claim 2, it is characterized in that described guide portion by the first part engageable surface portions close the first installing hole part convex to form completely, and this guide portion is hollow, and axially extends the first installing hole completely.

4. clamping structure as claimed in claim 2, is characterized in that described guide portion is the one or more juts closed with being arranged on the first part engageable surface portions in the part of the first installing hole.

5. clamping structure as claimed in claim 1, it is characterized in that the base portion of described connecting axle is cylinder form, and described first installing hole is also cylinder form.

6. the clamping structure as described in claim 1 or 5, is characterized in that the bar portion of described connecting axle and the second installing hole are all cylinder form.

7. clamping structure as claimed in claim 1, it is characterized in that described connecting axle fixture comprises pad and snap ring, and the part that described connecting axle stretches out the second installing hole comprises the snap ring junction surface coordinated with described connecting axle fixture.