CN202991777U - Three-eccentric combination bolt - Google Patents

Abstract

The utility model discloses a three-eccentric combination bolt which comprises an eccentric head screw bolt and an eccentric pipe sleeve, wherein the eccentric head screw bolt comprises a screw rod, a polish rod and an eccentric head; the polish rod is arranged between the screw bolt and the eccentric head; the three-eccentric combination bolt is characterized in that an oriented raised line with the same or almost same as a center line direction of the screw rod is arranged on the polish rod; a groove that is matched with the oriented raised line in shape and size and can allow the oriented raised line to be sleeved in is formed on the inner side of the eccentric pipe sleeve; and the eccentric pipe sleeve is sleeved in the screw rod of the eccentric head screw bolt and enters the polish rod, and then the groove of the eccentric pipe sleeve can be sleeved on the oriented raised line. When the head of the eccentric screw bolt enters the eccentric groove at a hole bottom, the screw rod of the screw bolt cannot be pulled out through the eccentric groove that cannot be withdrawn from the hole bottom once being sleeved in the eccentric pipe sleeve; after standard flat gaskets, spring pads and nuts are mounted for the screw rod, various hanging pieces and fixing pieces can be fixed; and the three-eccentric combination bolt has the characteristics of simple structure, convenience in use, and the like.

Description

Three inclined to one side combined bolts

Technical field

The utility model relates to a kind of fastener areas, relates in particular to a kind of three inclined to one side combined bolts.

Background technique

Existing back of the body bolt mainly is comprised of major part screw rod and expansion tube, and its major part screw rod and expansion tube are same center line, there is no eccentric setting.

Summary of the invention

The purpose of this utility model be to provide a kind of simple in structure, be convenient to dismounting, stressed three strong inclined to one side combined bolts.

The purpose of this utility model is to realize like this, described three inclined to one side combined bolts, comprise eccentric hook bolt and eccentric pipe box, eccentric hook bolt comprises screw rod, polished rod and eccentric head, the section of having polished rod between bolt and eccentric head, it is characterized in that: be provided with directed raised line on polished rod, be provided with the groove that can pack into directed raised line that is complementary with directed raised line shape size in the inboard of eccentric pipe box, described eccentric pipe box pack into eccentric hook bolt screw rod and after entering polished rod its groove can be enclosed within on directed raised line.

Be provided with the directed raised line identical with the centerline direction of screw rod on polished rod, described directed raised line is located on the polished rod opposite with an eccentric eccentric direction, and the groove of eccentric pipe box inboard is located on the inner side surface of eccentric pipe box of that side opposite with the eccentric direction of eccentric pipe box.

The utility model is compared present existing product and is had the following advantages: be the fixing combined bolt of installation in a kind of building decoration field, be characterized in having the dismounting of being convenient to, stressed strong, the advantage that cost is low can be the installation of building decoration facing a kind of fixedly critical piece of use of mounting structure that is conducive to is provided; Just move back the eccentric groove at the end of not portalling after eccentric groove at the bottom of the head of eccentric bolt enters the hole by being inserted in eccentric pipe box, the screw rod that reaches bolt can not pull, and can fix various suspension members and fixed block after the plain cushion of screw rod installation code spare, spring pad, nut.When needs are taken apart, first eccentric pipe box is broken away from screw rod, then the eccentric head of eccentric hook bolt is shifted out eccentric groove at the bottom of the hole, more eccentric hook bolt integral body is pulled out from eccentric opening, reach convenient detachable installation.

Description of drawings

Fig. 1 is perspective view of the present utility model.

Fig. 2 is eccentric hook bolt plan structure schematic diagram of the present utility model.

Fig. 3 is eccentric hook bolt perspective view of the present utility model.

Fig. 4 is eccentric pipe box perspective view of the present utility model.

Fig. 5 is the sectional structure schematic diagram of Fig. 4.

Fig. 6 is the plan structure schematic diagram of the eccentric opening of the decoration panel that is complementary with the inclined to one side combined bolt of model utility described three.

Fig. 7 is the A-A sectional view of Fig. 6.

Fig. 8 is the structural representation that described in the utility model three inclined to one side combined bolts are put into the eccentric opening of decoration panel.

Fig. 8-1 is the structure for amplifying schematic diagram on the respective side that the eccentric pipe cover in Fig. 8 is packed into after screw rod and polished rod, the side back to eccentric head of eccentric pipe box just is stuck in eccentric opening.

Fig. 9 is the structural representation that described in the utility model three inclined to one side combined bolts are applied to porcelain plate or stone curtain wall.

In figure:eccentric hook bolt 1,eccentric pipe box 2, directed raisedline 3, groove 4,eccentric opening 5, the inclined to one side combinedbolt 7 ofeccentric groove 6, three,decoration panel 8, the side 9 back to eccentric head of eccentric pipe box, therespective side 10 of eccentric opening.

Embodiment

Below in conjunction with drawings and Examples, the utility model is elaborated:

as Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, described in the utility model three inclined to one side combined bolts, compriseeccentric hook bolt 1 andeccentric pipe box 2,eccentric hook bolt 1 comprises screw rod, polished rod and eccentric head, the section of having polished rod between bolt and eccentric head, its structural feature is for being provided with the directed raisedline 3 identical or almost identical with the centerline direction of screw rod on polished rod, be provided with the groove that can pack into directed raised line 34 that is complementary with directed raisedline 3 shape sizes in the inboard ofeccentric pipe box 2, describedeccentric pipe box 2 pack intoeccentric hook bolt 1 screw rod and after entering polished rod its groove 4 be enclosed within on directed raisedline 3, described directed raisedline 3 is located on the polished rod opposite with the eccentric direction of eccentric head, the groove 4 of correspondingeccentric pipe box 2 inboards also is located on the inner side surface ofeccentric pipe box 2 of that side opposite with the eccentric direction of eccentric pipe box 2.Eccentric hook bolt 1 andeccentric pipe box 2 are placed ineccentric opening 5, form after combination to add major part, block on theeccentric groove 6 at the bottom of the hole ofeccentric opening 5, form to can not pull.After packing into, needed fixed block by plain cushion and bullet sleeve gasket, after the nut installation is fixing, formed complete fixing device.

method of construction of the present utility model is: as Fig. 6, Fig. 7 and shown in Figure 8, 1) be drilled with theeccentric opening 5 that the shape size witheccentric hook bolt 1 is complementary ondecoration panel 8 back sides, 2) pack intoeccentric hook bolt 1 ineccentric opening 5 and the hole of the mobileeccentric opening 5 of packing into of its eccentric head at the bottom ofeccentric groove 6 in, 3) theeccentric pipe box 2 of packing on screw rod, the groove alignment polished rod directed raisedline 3 identical with centerline direction screw rod that be provided with ofeccentric pipe box 2 packed into and groove 4 is enclosed within on directed raisedline 3, described directed raisedline 3 is located on the polished rod opposite with the eccentric direction of eccentric head, the groove 4 ofeccentric pipe box 2 inboards is located on the inner side surface ofeccentric pipe box 2 of that side opposite with the eccentric direction ofeccentric pipe box 2, as shown in Fig. 8-1,eccentric pipe box 2 is packed into after screw rod and polished rod, a side 9 back to eccentric head ofeccentric pipe box 2 just is stuck in eccentric head can not be withdrawed from from the eccentric groove at the bottom of the hole ofeccentric opening 5, can fix various suspension members and fixed block on screw rod, 4) by suspension member and fixed block,decoration panel 8 is fixed on construction wall, when needs are taken apart, firsteccentric pipe box 2 is broken away from screw rod, then the eccentric head ofeccentric hook bolt 1 is shifted outeccentric groove 6 at the bottom of the hole, againeccentric hook bolt 1 integral body is pulled out fromeccentric opening 5, reach convenient detachable the installation.As shown in Figure 9, be applied to the structural drawing of porcelain plate or stone curtain wall connection for described in the utility model three inclined to one side combinedbolts 7, thedecoration panel 8 in figure is fixed on body of wall by described in the utility model three inclined to one side combinedbolts 7.

Claims (2)

1. inclined to one side combined bolt, comprise eccentric hook bolt (1) and eccentric pipe box (2), eccentric hook bolt (1) comprises screw rod, polished rod and eccentric head, the section of having polished rod between bolt and eccentric head, it is characterized in that: be provided with directed raised line (3) on polished rod, be provided with the groove that can pack into directed raised line (3) that is complementary with directed raised line (3) shape size in the inboard of eccentric pipe box (2), described eccentric pipe box (2) pack into eccentric hook bolt (1) screw rod and after entering polished rod its groove (4) can be enclosed within on directed raised line (3).

2. according to claim 1 three inclined to one side combined bolts, it is characterized in that: be provided with the directed raised line (3) identical with the centerline direction of screw rod on polished rod, described directed raised line (3) is located on the polished rod opposite with an eccentric eccentric direction, and the groove (4) of eccentric pipe box inboard is located on the inner side surface of eccentric pipe box (2) of that side opposite with the eccentric direction of eccentric pipe box (2).

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