CN103697034A - Fastener structure - Google Patents

Abstract

A fastener structure comprises a sleeve, an elastic wall, a convex block, a locking bolt and a handle. The inner wall of the cavity of the sleeve is provided with inner threads. The elastic wall is arranged at one end of the sleeve and inclines and extends in the axis direction of the sleeve. The convex block is arranged at one end of the elastic wall away from the sleeve and provided with a guiding face. The outer wall of the locking bolt is provided with outer threads, a circular truncated cone is arranged at one end of the locking bolt, the locking bolt is screwed in the sleeve through matching between the outer threads and the inner threads, and the circular truncated cone abuts against the elastic wall. The handle is arranged at one end of the locking bolt away from the circular truncated cone and provided with a through hole. The fastener structure is installed on a ceiling through an installing hole formed in the ceiling, and an object to be suspended is connected onto the fastener structure through the through hole in a hanging mode. The fastener structure is screwed with the sleeve through the locking bolt, so that the circular truncated cone abuts against the elastic wall, friction force between the elastic wall and the hole wall of the installing hole is increased, and the fastener structure can bear large outside acting for and does not easily fall.

Description

Buckle structure

Technical field

The present invention relates to a kind of buckle structure, particularly relate to a kind of buckle structure for ceiling.

Background technique

In daily life, people usually punch on the ceiling board in house, then in hole, are embedded in rubber sleeve, the mode of finally utilizing lock screw by bolted-on in rubber sleeve, thereby bolt is fixed on ceiling board.People can utilize this mode that thing is hung on ceiling board, thereby reach the object that makes full use of floor space.

This kind is with by screwing togather, bolt being fixed on to the mode on ceiling board, because rubber sleeve can produce deterioration phenomenon in the course of time, cause being connected between bolt and rubber sleeve produce loosening, when overweight with bolted object, easily landing from rubber sleeve of bolt, and then cause dangerous generation.

Summary of the invention

Based on this, be necessary the buckle structure that provides a kind of object that makes to be hung on ceiling board to be difficult for dropping.

A buckle structure, comprising:

Sleeve, the cavity body structure that described sleeve is both ends open, the cross section of the cavity of described sleeve is circular, the cavity inner wall of described sleeve offers internal thread;

Elastic wall, described elastic wall is located at one end of described sleeve, described elastic wall tilts and extends along the axial direction of described sleeve, and the quantity of described elastic wall is four, and four described elastic walls are put circular array and distributed centered by the center of circle of described sleeve cross section;

Projection, described projection is located on described elastic wall the one end away from described sleeve, described projection has a guide surface, the axis of described guide surface and described sleeve is opposing, described guide surface is conical surface, and described guide surface is less than the radius of arc near described elastic wall one end away from the radius of arc of described elastic wall one end;

Lock plunger, described lock plunger is cylindrical, and the outer wall of described lock plunger is provided with outside thread, one end of described lock plunger is provided with round platform, by described outside thread and described screw-internal thread fit, described lock plunger is screwed together in described sleeve, and described round platform and described elastic wall offset;

Handle, described handle is rectangular bulk, and described handle is located at described lock plunger away from one end of described round platform, on described handle, offers through hole.

Therein in an embodiment, the cross section semicircular in shape of described handle.

In an embodiment, described through hole is manhole therein.

Buckle structure is installed on ceiling board by the mounting hole of offering on ceiling board, and the object that hang is mounted on buckle structure by through hole.This kind of buckle structure screws togather mutually by lock plunger and sleeve, and round platform and elastic wall are supported mutually, thereby made to increase the frictional force between elastic wall and the hole wall of mounting hole, and then makes buckle structure can bear larger external influence power and be difficult for dropping.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of an embodiment buckle structure;

Fig. 2 is the exploded view of the buckle structure shown in Fig. 1;

Fig. 3 is the exploded view at another visual angle of buckle structure shown in Fig. 1;

Fig. 4 is that the buckle structure shown in Fig. 1 is installed on the schematic diagram on ceiling board;

Fig. 5 is that the buckle structure shown in Fig. 4 is installed on the exploded view on ceiling board.

Embodiment

For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing, provided preferred embodiment of the present invention.But the present invention can realize in many different forms, be not limited to embodiment described herein.On the contrary, providing these embodiments' object is to make to the understanding of disclosure of the present invention more thoroughly comprehensively.

As shown in Figure 1, it is the schematic diagram of an embodiment buckle structure 10.See also Fig. 2 and Fig. 3, it is respectively the exploded view of the buckle structure 10 shown in Fig. 1 under two different visual angles states.Buckle structure 10 comprises: sleeve 100, elastic wall 200, projection 300, lock plunger 400 and handle 500.

The cavity body structure that sleeve 100 is both ends open, the cross section of the cavity of sleeve 100 is circular, the cavity inner wall of sleeve 100 offers internal thread 110.

Elastic wall 200 is located at one end of sleeve 100, and elastic wall 200 tilts and extends along the axial direction of sleeve 100.The quantity of elastic wall 200 is four, and four elastic walls 200 are put circular array and distributed centered by the center of circle of sleeve 100 cross sections.

Projection 300 is located on elastic wall 200 one end away from sleeve 100, projection 300 has a guide surface 310, guide surface 310 is opposing with the axis of sleeve 100, and guide surface 310 is conical surface, and guide surface 310 is less than the radius of arc near elastic wall 200 one end away from the radius of arc of elastic wall 200 one end.

Lock plunger 400 is cylindrical, and the outer wall of lock plunger 400 is provided with outside thread 410, and one end of lock plunger 400 is provided with round platform 420, by outside thread 410, coordinates with internal thread 110, and lock plunger 400 is screwed together in sleeve 100, and round platform 420 offsets with elastic wall 200.

Handle 500 is rectangular bulk, and handle 500 is located at lock plunger 400 away from one end of round platform 420, offers through hole 510 on handle 500.In the present embodiment, the cross section semicircular in shape of handle 500, through hole 510 is manhole.

As shown in Figure 4, it is that the buckle structure 10 shown in Fig. 1 is installed on the schematic diagram on ceiling board 20.See also Fig. 5, it is that the buckle structure 10 shown in Fig. 4 is installed on the exploded view on ceiling board 20.On ceiling board 20, offer mounting hole 22.In the present embodiment, mounting hole 22 is circular port.

Because elastic wall 200 has elasticity, projection 300 has tapered guide face 310, the orifice edge butt of guide surface 310 and mounting hole 22, and under the effect of external force, there are elastic strains in elastic wall 200, and guide surface 310 is taken advantage of a situation and is slided along the axial direction of mounting hole 22.Projection 300 is through after mounting hole 22, and the active force of outer bound pair elastic wall 200 disappears, and elastic wall 200 recovers elastic strain, and projection 300 will be arranged on the another side of ceiling board 20, and sleeve 100 is just fixed on mounting hole 22.

Logical outer outside thread 410 coordinates with internal thread 110, and lock plunger 400 is screwed together in sleeve 100.Be noted that in one end of lock plunger 400 and be provided with handle 500, handle 500 makes lock plunger 400 in the process screwing togather, more save external force, has guaranteed the stability screwing togather.

In the process screwing togather, round platform 420 supports mutually with elastic wall 200, elastic wall 200 is subject to the active force of round platform 420 toward the hole wall direction expansion of mounting hole 22, has increased the frictional force between elastic wall 200 and the hole wall of mounting hole 22, and elastic wall 200 is anchored on ceiling board 20 more.

The object that will hang is mounted on buckle structure 10 by through hole 510, this kind of buckle structure 10 screws togather mutually by lock plunger 400 and sleeve 100, round platform 420 and elastic wall 200 are supported mutually, thereby made to increase the frictional force between elastic wall 200 and the hole wall of mounting hole 22, and then made buckle structure 10 can bear larger external influence power and be difficult for dropping.

The above embodiment has only expressed several mode of execution of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (3)

1. a buckle structure, is characterized in that, comprising:

Sleeve, the cavity body structure that described sleeve is both ends open, the cross section of the cavity of described sleeve is circular, the cavity inner wall of described sleeve offers internal thread;

Elastic wall, described elastic wall is located at one end of described sleeve, described elastic wall tilts and extends along the axial direction of described sleeve, and the quantity of described elastic wall is four, and four described elastic walls are put circular array and distributed centered by the center of circle of described sleeve cross section;

Projection, described projection is located on described elastic wall the one end away from described sleeve, described projection has a guide surface, the axis of described guide surface and described sleeve is opposing, described guide surface is conical surface, and described guide surface is less than the radius of arc near described elastic wall one end away from the radius of arc of described elastic wall one end;

Lock plunger, described lock plunger is cylindrical, and the outer wall of described lock plunger is provided with outside thread, one end of described lock plunger is provided with round platform, by described outside thread and described screw-internal thread fit, described lock plunger is screwed together in described sleeve, and described round platform and described elastic wall offset;

Handle, described handle is rectangular bulk, and described handle is located at described lock plunger away from one end of described round platform, on described handle, offers through hole.

2. buckle structure according to claim 1, is characterized in that, the cross section semicircular in shape of described handle.

3. buckle structure according to claim 1, is characterized in that, described through hole is manhole.

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