CN201614709U - Embedded bolt fixing component - Google Patents

Abstract

The utility model relates to an embedded bolt fixing component, which consists of a fastening bolt, an expansion sleeve, a pushing sleeve and a nut. The head of the fastening bolt is a planar cone, and the expansion sleeve and the pushing sleeve are sleeved on the fastening bolt. After the head of the fastening bolt is inserted into a round slot on the back of a stone slab and butted upon the bottom surface of a counter bore, the nut is screwed on the fastening bolt and exerts a force to rotate the bolt, and the pushing sleeve is forced to push the expansion sleeve to enter the counter bore of the stone slab. Under continuous pushing action of the pushing sleeve, the expansion sleeve is forcedly expanded to deform radially and abutted with the peripheral surface of the counter bore so that the fastening bolt can be fixed onto the stone slab and further can be served as an attaching structure required for fixing metal fixing parts onto stone slabs.

Description

Flush type bolt assembly

[technical field]

The utility model provides a kind of flush type bolt assembly, is meant a kind of stone slab and its metal fixing used fixation kit of when combination that interfixes especially, and it has simple structure, cheap for manufacturing cost and operate effects such as simple and easy, quick.

[background technology]

The surface of building indoor concrete wall (being commonly called as the RC wall) over nearly 20 years, all adopt the stone slab wall to come as beautifying and decorating, its advantage is that the lines of stone slab has natural diversity and changes, and smooth surface is difficult for attaching dust and is convenient to cleaning, beautifies and modifies first-selection on the engineering so can become the indoor wall of building; Repeatedly connect as for every stone slab after how will cutting and to be built into a sheet of indoor stone slab wall, then need by using various metal fixings, just can reach the mutual binding between each sheet stone slab, and it can be fixed on the concrete wall securely, the metal fixing of various known stone slabs at present commonly used discloses respectively shown in the novel patent announcement in Taiwan No. 240044 and No. 235652, and when using aforementioned known metal fixing to build the stone slab wall because of must on the rim surface of each stone slab and root edge face, cutting groove, just can make, reach between the last stone slab and repeatedly put mutually with fixing, but the stress concentration phenomenon that is subjected to this groove makes that also repeatedly the carrying of postpone stone slab is reduced by intensity of force, and the stone slab wall bulk strength that causes building after finishing does not more have shock resistance and shatter-proof ability yet.

Therefore, recently existing newly-designed metal fixing is pushed out, its structure as shown in Figure 1, by a sheet-insert body 10, one stacker 20 and a L type fixed head 30 are formed, wherein, upper face 11 central authorities of sheet-insert body 10 are equipped with a fixing hole 12, outside the edge surface mediad of lower face 13, convex with certain position pin 14, and be equipped with a locating hole 22 and a connecting hole 23 on the level board face 21 of stacker 20 respectively, and be equipped with a fixing hole 25 again in vertical panel face 24 central authorities, be equipped with a slotted hole 33 and 34 respectively on the vertical panel face 31 of L type fixed head 30 and the level board face 32 in addition.

Again as shown in Figures 2 and 3, it is used in the mode on the stone slab, system passes the slotted hole 34 on the level board face 32 in the L type fixed head 30 respectively with fixed screw S earlier, and in the stacker 20 behind the connecting hole on the level board face 21 23, be screwed together in fixed screw S with nut N and packing ring P again, L type fixed head 30 and stacker 20 mutual spiral shells are integral admittedly, then, pass the fixing hole on the upper face 11 12 in the sheet-insert body 10 respectively with setscrew B, and the fixing hole 25 on the vertical panel face 24 and penetrating in the stone slab 100 in the stacker 20, sheet-insert body 10 and stacker 20 can be fixed on the back side 101 of stone slab 100 (as shown in Figure 2), in addition again with setscrew B by the slotted hole 33 on the vertical panel face 31 in the L type fixed head 30 and after penetrating concrete wall W, make that just the stone slab 100 of position is finished fixing below; At last, the sheet-insert body 10 of position stone slab 100 in the above is aligned in stacker 20 on the lower position stone slab 100, and with in the locating hole 22 on the level board face 21 in the angle 14 insertion stackers 20 of lower face 13 in the sheet-insert body 10 (as shown in Figure 3), promptly accuse finish upper and lower two stone slabs 100 each other repeatedly put binding, repeat construction according to aforementioned manner again, finally just can build an indoor stone slab wall in the surface of concrete wall W.

Because stone slab 100 thickness of supplying on most of markets are all in 2 centimeters, only there is the thickness of the special appointment of minority to surpass, and the length of conventional known setscrew B is longer, surpass 2 centimeters stone slab so can only be applicable to minority thickness, it can't be used in 2 centimeters thick stone slabs of great majority on the contrary.

[utility model content]

Main purpose of the present utility model is providing a kind of flush type bolt assembly, by a fastening bolt, one expansion sleeve, one propelling sleeve and a nut are formed, wherein, the head of this fastening bolt is arranged to the flat circle cone, expansion sleeve and propelling sleeve then are set on the fastening bolt, when fastening bolt is inserted the circle hole groove at the stone slab back side and is supported the bottom surface that is labelled to the expansion circular hole by cephalad direction after, nut is screwed together in fastening bolt and application of force rotation, can force propelling sleeve pushing tow expansion sleeve to enter in the expansion circular hole of stone slab, and under the thrusting action power that propelling sleeve continues, can make expansion sleeve be forced to produce dilatating and deformable toward direction radially, and after supporting on the peritreme face that is affixed on the expansion circular hole up to its deflection, promptly reach synchronously fastening bolt is securely fixed on the stone slab, and imbedding because of fastening bolt in the stone slab is the short head of length, rather than long pin thread shaft, therefore can not penetrate stone slab and cause its bad result of breaking and damaging, so can be applicable to the stone slab of most conventional thickness.

The technical solution of the utility model is: a kind of flush type bolt assembly is characterized in that: this bolt assembly comprises:

One fastening bolt is made with metal material, and its head is arranged to the flat circle cone, and is provided with pin thread by the axially extended shaft of this head;

One expansion sleeve, be to be set on the fastening bolt, by the torus that the metal material that is ductile is made, ring diameter is slightly larger than the outside diameter of male thread of fastening bolt in it, and on the edge surface of an end, be arranged with into axial V-type opening toward interior ring direction therein by outer shroud;

One propelling sleeve, be to be set on the fastening bolt, by high rigidity and do not have a torus that the metal material of ductility makes, ring diameter is slightly larger than the outside diameter of male thread of fastening bolt in it, and therein on the edge surface of an end, be convexly equipped with into axial tapered flange part toward the outer shroud direction by interior ring; And

One nut is to be screwed on the pin thread of fastening bolt.

A kind of flush type bolt of the utility model assembly, its advantage and effect are: except that can not causing stone slab breaks, more because of having simple structure, cheap for manufacturing cost and operate effects such as simple and easy, quick.

[description of drawings]

Fig. 1: the three-dimensional exploded view that is the metal fixing of stone slab special use.

Fig. 2: the schematic perspective view that is the metal fixing of secure bond on the stone slab back side.

Fig. 3: be to use metal fixing to finish the generalized section of building the stone slab wall.

Fig. 4: be three-dimensional exploded view of the present utility model.

Fig. 5: the sectional drawing that is 5-5 hatching among Fig. 4.

Fig. 6: the sectional drawing that is 6-6 hatching among Fig. 4.

Fig. 7: the schematic diagram of stone slab back drill when being to use the utility model.

Fig. 8: the sectional drawing that is 8-8 hatching among Fig. 7.

Fig. 9 is that the utility model is installed on one of illustrative view of stone slab.

Figure 10: be two of the utility model illustrative view of being installed on stone slab.

Figure 11: be three of the utility model illustrative view of being installed on stone slab.

Figure 12: be four of the utility model illustrative view of being installed on stone slab.

Figure 13: be five of the utility model illustrative view of being installed on stone slab.

Figure 14: be six of the utility model illustrative view of being installed on stone slab.

Figure 15: be that the utility model is finished the generalized section that is mounted on the stone slab.

Figure 16: be that the utility model is used in one of construction schematic diagram of building the stone slab wall.

Figure 17: be the utility model be used in the construction schematic diagram of building the stone slab wall two.

Figure 18: be the utility model be used in the construction schematic diagram of building the stone slab wall three.

Figure 19: be the utility model be used in the construction schematic diagram of building the stone slab wall four.

Figure 20: be to use the utility model to finish the generalized section of building the stone slab wall.

Concrete label is as follows among the figure:

10-sheet-insert body 11-upper face

12,25-fixing hole 13-lower face

14-angle 20-stacker

21,32-level board face 22-locating hole

23-connecting hole 24,31-vertical panel face

30-L type fixed head 33,34-slotted hole

40-fastening bolt 41-head

42-pin thread 50-expansion sleeve

51-V type opening 60-propelling sleeve

The tapered flange part 70-of 61-nut

The 100-stone slab 101-back side

102-circle hole groove 103-expands circular hole

B-setscrew N-nut

P-packing ring S-fixed screw

The W-concrete wall

[specific embodiment]

See also Fig. 4 to shown in Figure 6, a kind of flush type bolt of the utility model assembly, it comprises:

One fastening bolt 40 forms with metal round rod car system or punching press forging, and its head 41 is arranged to the flat circle cone, is provided with pin thread 42 by these head 41 axially extended shafts;

One expansion sleeve 50, system is set on the fastening bolt 40, and by the torus that the metal material that is ductile is made, ring diameter is slightly larger than the external diameter of the pin thread 42 of fastening bolt 40 in it, and on the edge surface of an end, be arranged with into axial V-type opening 51 toward interior ring direction therein by outer shroud;

One propelling sleeve 60, also be set on the fastening bolt 40, with high rigidity and do not have a torus that the metal material of ductility makes, ring diameter also is slightly larger than the external diameter of the pin thread 42 of fastening bolt 40 in it, and therein on the edge surface of an end, be convexly equipped with into axial tapered flange part 61 toward the outer shroud direction by interior ring; And

One nut 70 is screwed together on the pin thread 42 of fastening bolt 40.

As shown in Figures 7 and 8, the utility model is being installed and used before on each stone slab 100, on the back side 101 of this stone slab 100, the processing of must holing earlier, it is to set out a circle hole groove 102 near four corner subdrillings, again on the groove bottom of this each circle hole groove 102, using the reaming type drill bit to get out once more than promptly accusing behind the bigger expansion circular hole 103 (as shown in Figure 8) of circle hole groove 102 diameters finishes, only, the boring of this stone slab 100 and reaming processing all belong to known techniques, and the scope of non-the utility model institute demand specifies earlier at this.

Continuous as Fig. 9 is to shown in Figure 14, and the utility model is installed on the stone slab 100 that has after boring and reaming are processed, and its step is as follows:

A. head 41 directions of fastening bolt 40 are placed in the circle hole groove 102 on stone slab 100 back sides 101, and to being labelled to the bottom surface of expanding circular hole 103, at this moment, pin thread 42 shafts of this fastening bolt 40 can stretch out the back side 101 outer (as shown in Figure 9) that exposes to stone slab 100.

B. select not have the expansion sleeve 50 of V-type opening 51 1 ends, head 41 directions towards fastening bolt 40 are set in (as shown in figure 10) on the fastening bolt 40 again.

The propelling sleeve 60 that c. will have tapered flange part 61 1 ends again is set on pin thread 42 shafts of fastening bolt 40, and makes this tapered flange part 61 touch the V-type opening 51 (as shown in figure 11) of expansion sleeve 50.

D. nut 70 is screwed together on the pin thread 42 of fastening bolt 40, and application of force rotation impels propelling sleeve 60 to move toward bolt head 41 directions of fastening bolts 40, at this moment, the tapered flange part 61 of this propelling sleeve 60 can touch the V-type opening 51 (as shown in figure 12) of expansion sleeve 50, and pushing tow expansion sleeve 50 enters in the expansion circular hole 103 of stone slab 100, and the head 41 toward fastening bolt 40 is progressively close, when the other end limit of expansion sleeve 50 support be labelled to the head 41 of fastening bolt 40 after, because of its metal hardness is low than propelling sleeve 60 and is ductile, so under the rotation application of force effect that nut 70 continues, just can begin toward its direction generation dilatating and deformable radially, after the dilatating and deformable amount of whole V-type opening 51 is supported on the peritreme face that is affixed on expansion circular hole 103, promptly can synchronously make the head 41 of fastening bolt 40 be closely attached on the bottom surface of expanding circular hole 103 fully, and be fixed on firmly (as shown in figure 13) on the stone slab 100.

E. last, the pin thread 42 outer (as shown in figure 14) that nut 70 rotations is broken away from fastening bolt 40, this fastening bolt 40 can be on the back side 101 of stone slab 100, forms one and can be used as sheet-insert body 10 and stacker 20 required dependence structure thing (as shown in figure 15) when carrying out on stone slab 100 fixedly.

Reach the mode of building the stone slab wall as for how utilizing the utility model, then extremely shown in Figure 180 as Figure 16, fixing hole 12 with upper face 11 in the sheet-insert body 10 is nested with on the fastening bolt 40 that exposes on stone slab 100 back sides 101 earlier, after being screwed together in the pin thread 42 of fastening bolt 40 with nut 70 and packing ring P again, sheet-insert body 10 is adjacent on the back side 101 that is fixed on stone slab 100 (as shown in figure 16) fully; In the same manner, the fixing hole 25 of vertical panel face 24 in the stacker 20 is nested with on the fastening bolt 40 that exposes on stone slab 100 back sides 101, after being screwed together in the pin thread 42 of fastening bolt 40 with nut 70 and packing ring P again, stacker 20 is adjacent on the back side 101 that is fixed on stone slab 100 (as shown in figure 17) fully, in addition fixed screw S is passed the slotted hole 34 on the level board face 32 in the L type fixed head 30 respectively, and in the stacker 20 behind the connecting hole on the level board face 21 23, be screwed together in fixed screw S with nut N and packing ring P again, make L type fixed head 30 and stacker 20 mutual spiral shells be integral (as Figure 18 and shown in Figure 19) admittedly, on the stone slab 100 that at last each sheet is fixed with sheet-insert body 10 and stacker 20 carries out, repeatedly put down, mat setscrew B is by the slotted hole 33 on the vertical panel face 31 in the L type fixed head 30 and after penetrating concrete wall W simultaneously, stone slab 100 is fixed on the concrete wall W, repeat construction according to aforementioned manner again, finally just can build an indoor stone slab wall (as shown in figure 20) in the surface of concrete wall W.

Claims (1)

1. flush type bolt assembly, it is characterized in that: this bolt assembly comprises:

One fastening bolt is made with metal material, and its head is arranged to the flat circle cone, and is provided with pin thread by the axially extended shaft of this head;

One expansion sleeve, be to be set on the fastening bolt, by the torus that the metal material that is ductile is made, ring diameter is slightly larger than the outside diameter of male thread of fastening bolt in it, and on the edge surface of an end, be arranged with into axial V-type opening toward interior ring direction therein by outer shroud;

One propelling sleeve, be to be set on the fastening bolt, by high rigidity and do not have a torus that the metal material of ductility makes, ring diameter is slightly larger than the outside diameter of male thread of fastening bolt in it, and therein on the edge surface of an end, be convexly equipped with into axial tapered flange part toward the outer shroud direction by interior ring; And

One nut is to be screwed on the pin thread of fastening bolt.

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