CN207111628U - A kind of upset bolt - Google Patents

Abstract

A kind of upset bolt, it is related to connector technical field, solves the problems, such as that expansion bolt is easily remaining debris in the hole on connector after having no value for use.A kind of upset bolt, including screw rod, nut piece and at least two pieces of arcs, each arc is used to form the tubular elements that can be set on the screw rod, interior voussoir is connected with the nut piece, the interior voussoir can be along the opening position between adjacent arc of the direction wedging on tubular elements from the inside to the outside；During opening position between adjacent arc of the wedging on tubular elements of interior voussoir from the inside to the outside, the tubular elements expansion.Beneficial effect is, after having no value for use, avoids remaining debris in connector.

Description

A kind of upset bolt

Technical field

Connector technical field is the utility model is related to, specifically a kind of upset bolt.

Background technology

Expansion bolt is a kind of conventional connector, and expansion bolt of the prior art includes screw rod and expansion cylinder, made With when, punch on position to be connected, expansion cylinder be placed into hole first then, screw rod is then screwed into expansion again Expansion cylinder is expanded in cylinder, so that expansion cylinder tensioner is in hole, so as to realize connection work.

Above-mentioned this expansion bolt of the prior art, because expansion cylinder can not recover former again once deformation is expanded Shape, it is existing when being had no value for use installed in the expansion bolt such as wall on connector, it is necessary to when dismounting from wall The expansion cylinder of this expansion bolt in technology is difficult to be taken out from positioned at the hole such as wall on connector, which results in There is debris residual in hole, the reparation (such as surface reconditioning, hole filling are repaired) to the connector such as wall brings difficulty.

Utility model content

The purpose of this utility model is to provide a kind of upset bolt, had no value for use for solving expansion bolt Afterwards easily in the hole on connector the problem of residual debris.

The technical scheme in the invention for solving the technical problem is：

A kind of upset bolt, including screw rod, nut piece and at least two pieces of arcs, each arc are used to form The tubular elements that can be set on the screw rod, interior voussoir are connected with the nut piece, the interior voussoir can be along from the inside to the outside Adjacent arc of the direction wedging on the tubular elements between opening position；

During opening position between adjacent arc of the wedging on tubular elements of interior voussoir from the inside to the outside, The tubular elements expansion.

Further, it is arranged with jump ring on the tubular elements.

Further, the arc is provided with the jump-ring slot for being used for placing jump ring, after each arc forms tubular elements, Each jump-ring slot is annularly distributed.

Further, in addition to sleeve, sleeve can be set on the screw rod, and the screw rod, which is provided with, to be used to avoid being arranged The bolt head that sleeve on screw rod comes off from screw rod, be connected with outer voussoir on sleeve, and outer voussoir can be along from outside to inside Opening position between adjacent arc of the direction wedging on tubular elements, is located at tubular in the wedging of outer voussoir from outside to inside During the opening position between adjacent arc on part, the tubular elements expansion.

Further, the outer end of the arc is provided with the outer spigot surface for being used for being oriented to for the outer voussoir, the arc The inner of plate is provided with the interior spigot surface for being used for being oriented to for the interior voussoir.

Further, the arc uses rigid material.

The beneficial effects of the utility model are：

A kind of upset bolt provided by the utility model, when the utility model on the first-class connector of such as wall nothing When use value, screw rod is back-outed, because tubular elements are made up of each arc, after screw rod is back-outed, tubular elements can To be easily decomposed, staff can take each arc and interior voussoir for example, by instruments such as tweezers from hole Go out, interior voussoir pulls out by screw rod or tweezers.So as to avoid that debris is remained in connector.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is Fig. 1 A direction views；

Fig. 3 is Fig. 2 B-B cross section views；

Fig. 4 is Fig. 2 C-C cross section views；

Fig. 5 is the structural representation of arc；

Fig. 6 is the connection diagram of sleeve and nut piece on screw rod；

In figure：1 screw rod, 11 bolt heads, 2 nut pieces, voussoir in 21,3 arcs, 31 jump-ring slots, 32 outer spigot surfaces, in 33 Spigot surface, 4 tubular elements, 5 jump rings, 6 sleeves, 61 outer voussoirs.

Embodiment

It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched The embodiment stated is part of the embodiment of the present utility model, rather than whole embodiments.Based on the reality in the utility model Apply example, the every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made, all Belong to the scope of the utility model protection.

In description of the present utility model, it is to be understood that on the utility model is inserted on connector When in hole, the one end for defining the depths for being inserted into hole is " interior ", and the other end is " outer ", the instruction such as term " interior ", " outer " Orientation or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply signified dress Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model Limitation.

As shown in Figures 1 to 6, the utility model includes screw rod 1, nut piece 2 and at least two pieces of arcs 3, each arc 3 Can be set in tubular elements 4 on screw rod 1 for forming, be connected with interior voussoir 21 on nut piece 2, interior voussoir 21 can along from it is interior to Opening position between adjacent arc 3 of the outer direction wedging on tubular elements 4；In the wedging of interior voussoir 21 from the inside to the outside During the opening position between adjacent arc 3 on tubular elements 4, tubular elements 4 expand.

As shown in Figure 1 and Figure 5, jump ring 5 is arranged with tubular elements 4, arc 3 is provided with the jump ring for being used for placing jump ring 5 Groove 31, after each arc 3 forms tubular elements 4, each jump-ring slot 31 is annularly distributed, after each arc composition tubular elements 4, card Spring is placed in jump-ring slot, and jump-ring slot is used to avoid jump ring from coming off from tubular elements 4.

As shown in Figures 1 to 6, the utility model, in addition to sleeve 6, sleeve 6 can be set on screw rod 1, set on screw rod 1 There is the bolt head 11 that the sleeve 6 for avoiding being set on screw rod 1 comes off from screw rod 1, outer voussoir 61 be connected with sleeve 6, Outer voussoir 61 can be located at the opening position between the adjacent arc 3 on tubular elements 4 along direction wedging from outside to inside, outside During opening position between adjacent arc 3 of the wedging on tubular elements 4 of voussoir 61 from outside to inside, tubular elements 4 Expansion.

As shown in Figures 1 to 6, the outer end of arc 3 is provided with the outer spigot surface 32 for being used for being oriented to for outer voussoir 61, arc 3 the inner is provided with the interior spigot surface 33 for being used for being oriented to for interior voussoir 21, and arc 3 uses rigid material.

As shown in Figures 1 to 6, when work is attached using the utility model, nut piece 2 is screwed in spiral shell first The inner of bar, then each arc 3 is looped around in the circumference of screw rod 1, so as to form tubular elements 4, and make interior voussoir 21 with The inner of the present utility model, is then pushed on connector by the gap alignment between two adjacent arcs Kong Zhong, screw rod 1 is then turned, compressed tubular elements 4 to the inside in hole during screw rod 1 is turned, because interior voussoir 21 connects It is connected on nut piece 2, and nut piece 2 is connected with screw flight, so during screw rod 1 is turned, interior voussoir 21 is to hole Outer end motion, during interior voussoir 21 moves from inside to outside, interior voussoir 21 is by the spreading of tubular elements 4, so that tubular elements By tensioner in hole, so as to realize connection work.Had no value for use when the utility model on the first-class connector of such as wall When, screw rod is back-outed, because tubular elements 4 are made up of each arc 3, after screw rod is back-outed, tubular elements 4 can be easy to Be decomposed, staff can take out each arc 3 and interior voussoir 21 for example, by instruments such as tweezers from hole, interior wedge Block 21 pulls out by screw rod or tweezers.So as to avoid that debris is remained in connector.

As shown in Figures 1 to 6, jump ring 5 can give each 3 one chucking powers of arc, pass through each clamping arc of jump ring 5 Plate 3 so as to form tubular elements 4, in the hole that tubular elements are inserted on connector before, jump ring can avoid tubular elements 4 from sending out It is raw to disintegrate, be advantageous to make the utility model form the relative entirety for being not easy to disintegrate, it is convenient that the utility model is inserted into hole. When being had no value for use when the utility model on the first-class connector of such as wall, screw rod is back-outed, after screw rod is back-outed, led to Rod member inwardly voussoir 21 in promotion is crossed, then tubular elements 4 shrink in the presence of jump ring, so as to be advantageous to facilitate staff to make Tubular elements are taken out from hole with instruments such as tweezers, so as to avoid remaining debris in connector.

As shown in Figures 1 to 6, during the utility model is connected on connector, the process of screw rod 1 is being turned In, being pressed into tubular elements 4 from the outside to the core by sleeve 6 of bolt head 11, in the mistake of the press-in tubular elements of sleeve 6 from the outside to the core Cheng Zhong, the wedging of outer voussoir 61 from outside to inside is located at the opening position between the adjacent arc on tubular elements, so that cylinder The outer end expansion of shape part, now the outer end of tubular elements 4 is stretched in the outer end in hole, and this is advantageous to improve connection of the present utility model by force Degree.

As shown in Figures 1 to 6, interior spigot surface 33 is that the opening position that interior voussoir 21 is wedged between adjacent arc is entered Row is oriented to, so as to facilitate installment work of the present utility model.Outer spigot surface 32 is that outer voussoir 61 is wedged into positioned at adjacent arc Opening position between plate is oriented to, so as to facilitate installment work of the present utility model.Arc 3 uses rigid material, so as to The ability of arc resistance to deformation is improved, can further avoid arc 3 from being deformed upon in hole, further avoid Remained in connector.

Claims (6)

1. a kind of upset bolt, it is characterized in that, including screw rod, nut piece and at least two pieces of arcs, each arc Tubular elements on the screw rod can be set in for forming, are connected with interior voussoir on the nut piece, the interior voussoir can be along The opening position between adjacent arc of the direction wedging on tubular elements from the inside to the outside；

It is described during opening position between adjacent arc of the wedging on tubular elements of interior voussoir from the inside to the outside Tubular elements expand.

2. a kind of upset bolt according to claim 1, it is characterized in that, it is arranged with jump ring on the tubular elements.

3. a kind of upset bolt according to claim 2, it is characterized in that, the arc, which is provided with, to be used to place card The jump-ring slot of spring, after each arc forms tubular elements, each jump-ring slot is annularly distributed.

4. a kind of upset bolt according to claims 1 to 3 any one, it is characterized in that, in addition to sleeve, sleeve It can be set on the screw rod, the screw rod, which is provided with, to be used to avoid being set in the bolt that the sleeve on screw rod comes off from screw rod Head, outer voussoir is connected with sleeve, and outer voussoir can be along adjacent arc of the direction wedging on tubular elements from outside to inside Opening position between plate, it is located at the opening position between the adjacent arc on tubular elements in the wedging of outer voussoir from outside to inside During, the tubular elements expansion.

5. a kind of upset bolt according to claim 4, it is characterized in that, the outer end of the arc is provided with for being The outer spigot surface that the outer voussoir is oriented to, the inner of the arc are provided with the interior spigot surface for being used for being oriented to for the interior voussoir.

6. a kind of upset bolt according to claim 1, it is characterized in that, the arc uses rigid material.